Processing cartridge

Abstract

A processing cartridge, detachably installed in an electronic image forming device that includes a first force applying element, is provided in the present disclosure. The processing cartridge includes a developing roller and a first housing supporting the developing roller; a photo-sensitive drum and a second housing supporting the photo-sensitive drum; a first force receiving element, contactable with the first force applying element; and a first elastic element, configured to maintain the first force receiving element in the first position state. The first force receiving element has a plurality of position states including a first position state and a second position state; when being in the first position state, the first force receiving element protrudes relative to the first housing; and when being in the second position state, the first force receiving element is closer to the first housing compared with the first position state.

What is claimed is: 
     
         1 . A processing cartridge, detachably installed in an electronic image forming device that includes a first force applying element, the processing cartridge comprising:
 a developing roller and a first housing supporting the developing roller;   a photo-sensitive drum and a second housing supporting the photo-sensitive drum;   a first force receiving element, contactable with the first force applying element, wherein:
 the first force receiving element has a plurality of position states including a first position state and a second position state; 
 when being in the first position state, the first force receiving element protrudes relative to the first housing; and 
 when being in the second position state, the first force receiving element is closer to the first housing compared with the first position state; and 
   a first elastic element, configured to maintain the first force receiving element in the first position state.   
     
     
         2 . The processing cartridge according to  claim 1 , wherein:
 when the first force applying element pushes the first force receiving element to separate the developing roller from the photo-sensitive drum, the first force receiving element is in the first position state.   
     
     
         3 . The processing cartridge according to  claim 2 , further including:
 a locking element, wherein when the developing roller being separated from the photo-sensitive drum in the processing cartridge, the locking element is configured to restrain a movement of the first force receiving element.   
     
     
         4 . The processing cartridge according to  claim 3 , wherein:
 the locking element is a second force receiving element.   
     
     
         5 . The processing cartridge according to  claim 4 , wherein:
 the electronic image forming device further includes a second force applying element, and the second force receiving element is contactable with the second force applying element for enabling the second force receiving element to restrain the movement of the first force receiving element.   
     
     
         6 . The processing cartridge according to  claim 4 , further including:
 a second elastic element, configured to enable the second force receiving element to be separated from the first force receiving element.   
     
     
         7 . A processing cartridge, detachably installed in an electronic image forming device that includes a first force applying element, the processing cartridge comprising:
 a developing roller and a first housing supporting the developing roller;   a photo-sensitive drum and a second housing supporting the photo-sensitive drum;   a first force receiving element, contactable with the first force applying element, wherein:
 the first force receiving element has a plurality of position states including a first position state, a second position state, and a third position state; 
 when being in the first position state, the first force receiving element which protrudes and is rotatable relative to the first housing; 
 when being in the second position state, the first force receiving element protrudes relative to the first housing, and is not capable to move relative to the first housing; and 
 when being in the third position state, the first force receiving element is closer to the first housing compared with the first position state and the second position state; 
   a first elastic element, configured to maintain the first force receiving element in the first position state, wherein:   when the first force applying element pushes the first force receiving element to separate the developing roller from the photo-sensitive drum, the first force receiving element is in the second position state.   
     
     
         8 . The processing cartridge according to  claim 7 , further including:
 a locking element, wherein when the first force receiving element is in the second position state, the locking element is configured to restrain a movement of the first force receiving element.   
     
     
         9 . The processing cartridge according to  claim 8 , wherein:
 the locking element is a second force receiving element.   
     
     
         10 . The processing cartridge according to  claim 9 , wherein:
 the electronic image forming device further includes a second force applying element, and the second force receiving element is contactable with the second force applying element for enabling the second force receiving element to restrain the movement of the first force receiving element.   
     
     
         11 . The processing cartridge according to  claim 9 , further including:
 a second elastic element, configured to enable the second force receiving element to be separated from the first force receiving element.   
     
     
         12 . The processing cartridge according to  claim 7 , further including:
 a swing restraining element, wherein:
 the swing restraining element includes a first end and a second end, and the first force receiving element rotates between the first end and the second end; 
 when being in the first position state or the second position state, the first force receiving element is between the first end and the second end; and 
 when being in the third position state, the first force receiving element is contactable with the first end or the second end. 
   
     
     
         13 . The processing cartridge according to  claim 12 , wherein:
 the first force receiving element includes:
 a pushing rod, rotatable between the first end and the second end and contactable with the first force applying element; and 
 an abutting element, configured outside of the first end and the second end, and contactable with the locking element, wherein:
 when the first force receiving element is in the second position state, the locking element is configured to restrain a movement of the abutting element. 
 
   
     
     
         14 . The processing cartridge according to  claim 13 , wherein:
 the locking element is a second force receiving element including:
 an abutting end, configured to abut against the abutting element; and 
 a pushing end, connected to the abutting end and contactable with a second force applying element, wherein the second force applying element is capable of pushing the pushing end to enable the abutting end to restrain the movement of the abutting element. 
   
     
     
         15 . The processing cartridge according to  claim 14 , wherein:
 the second force receiving element further includes a contacting end, contactable with a second elastic element, wherein the second elastic element is configured to separate the abutting end from the abutting element.   
     
     
         16 . A processing cartridge, detachably installed in an electronic image forming device that includes a second pushing element, the processing cartridge comprising:
 a developing roller and a first housing supporting the developing roller;   a photo-sensitive drum and a second housing supporting the photo-sensitive drum;   a second force receiving element, having a plurality of position states including a first position state and a second position state;
 when being in the first position state, a spacing is between the second force receiving element and the second pushing element; 
 when being in the second position state, the second force receiving element is configured to be abutted against the second pushing element; and 
 when the developing roller being separated from the photo-sensitive drum in the processing cartridge, the second force receiving element is in the second position state. 
   
     
     
         17 . The processing cartridge according to  claim 16 , further including:
 an elastic element, configured to maintain the second force receiving element in the first position state.   
     
     
         18 . The processing cartridge according to  claim 17 , wherein:
 a support frame is disposed at the processing cartridge, and the second force receiving element is disposed on the support frame and translates along a length direction of the processing cartridge.   
     
     
         19 . The processing cartridge according to  claim 18 , wherein:
 a trench is disposed at the support frame, and a limiting part is disposed at the second force receiving element, wherein the limiting part is movably disposed in the trench.   
     
     
         20 . The processing cartridge according to  claim 19 , further including:
 a first force receiving element, wherein the electronic image forming device further includes a first pushing element; and the first force receiving element is configured to be abutted against the first pushing element for enabling the first force receiving element to push the second force receiving element to move along the length direction of the processing cartridge.   
     
     
         21 . The processing cartridge according to  claim 20 , wherein:
 a pushing block arranged in a triangle is disposed at the first force receiving element, and a receiving block arranged in a triangle is disposed at the second force receiving element; and   the pushing block is configured to be abutted against the receiving block for enabling the second force receiving element to move along the length direction of the processing cartridge.   
     
     
         22 . The processing cartridge according to  claim 17 , wherein:
 a support frame is disposed at the first housing, and the second force receiving element is rotatably disposed on the support frame.   
     
     
         23 . The processing cartridge according to  claim 22 , wherein:
 a support axle is disposed at the support frame, and a hollow column is disposed at the second force receiving element; and   the hollow column is sleeved outside the support axle, which enables the second force receiving element to rotate relative to the support frame.   
     
     
         24 . The processing cartridge according to  claim 22 , wherein:
 a limiting block for restraining rotation of the second force receiving element is further disposed at the support frame, and a second force receiving part is further disposed at the second force receiving element;   when the second force receiving element is in the first position state, a spacing is between the second force receiving part and the second pushing element; and   when the second force receiving element is in the second position state, the second force receiving part is configured to be abutted against the second pushing element.   
     
     
         25 . The processing cartridge according to  claim 22 , further including:
 a first force receiving element, wherein the electronic image forming device further includes a first pushing element; and the first force receiving element is configured to be abutted against the first pushing element for enabling the first force receiving element to push the second force receiving element to rotate along the support frame.   
     
     
         26 . The processing cartridge according to  claim 20 , wherein:
 the first force receiving element includes a buffering element.   
     
     
         27 . The processing cartridge according to  claim 26 , wherein:
 the buffering element is a U-shaped structure or a S-shaped structure.   
     
     
         28 . The processing cartridge according to  claim 20 , wherein:
 a detachment preventing element is disposed at the first housing and above the first force receiving element; and   
       at least a portion of a projection of the detachment preventing element along the length direction of the processing cartridge coincides with the first force receiving element. 
     
     
         29 . A processing cartridge, comprising:
 a developing unit and a photosensitive unit, wherein the developing unit includes a developing element, and the photosensitive unit includes a photosensitive element; and   a control unit, including a control element, wherein when the control element is close to or away from the developing unit, the developing element is away from or close to the photosensitive element.   
     
     
         30 . The processing cartridge according to  claim 29 , wherein:
 the control element in the control unit is configured to move between a first position and a second position;   when the control element is in the first position, the control element is away from the developing unit, and at this point, the photosensitive element is in contact with the developing element; and   when the control element is in the second position, the control element is closer to the developing unit than when the control element is in the first position, and at this point, the developing element is not in contact with the photosensitive element.   
     
     
         31 . The processing cartridge according to  claim 29 , wherein:
 the control element in the control unit is configured to move between a first position and a second position;   when the control element is in the first position, the control element is away from the developing unit, and at this point, the photosensitive element is close to the developing element; and   when the control element is in the second position, the control element is closer to the developing unit than when the control element is in the first position, and at this point, the developing element is away from the photosensitive element.   
     
     
         32 . The processing cartridge according to  claim 29 , wherein:
 the control element is disposed on the developing unit and extends out of the developing unit to receive an external force.   
     
     
         33 . The processing cartridge according to  claim 29 , wherein:
 the control element includes a swing rod, and the control unit includes a first gear element, a second gear element, and a third gear element, which are disposed in the developing unit; the first gear element, the second gear element, and the third gear element are all disposed with gears; the first gear element is disposed with the swing rod configured to control a rotation of the first gear element; a gear on the second gear element meshes with a gear on the first gear element to transmit force; a gear on the third gear element meshes with a gear on the second gear element to transmit force; the third gear element is disposed with a cam portion which rotates with the third gear element; and a rotation of the swing rod controls the cam portion to be abutted or be not abutted against the photosensitive unit, thereby controlling the developing element to be close to or away from the photosensitive element.   
     
     
         34 . The processing cartridge according to  claim 29 , wherein:
 the control unit includes a pushing rod and an ejection rod; the pushing rod is the control element; the pushing rod is provided with a rotating axle, the ejection rod is provided with a rotating axle, and the pushing rod and the ejection rod are connected with each other by a hinge; the pushing rod and the ejection rod are both disposed on the developing unit; one end of the ejection rod is connected to the pushing rod, and the other end of the ejection rod extends toward a direction of the photosensitive unit; the pushing rod extends out of the developing unit; a rotation of the pushing rod around the rotating axle of the pushing rod controls a rotation of the ejection rod, such that the ejection rod is not abutted against or does not press the photosensitive unit, thereby making the developing element close to or away from the photosensitive element.   
     
     
         35 . The processing cartridge according to  claim 29 , wherein:
 the control unit includes a first pressing rod, a second gear element, and a third gear element; the first pressing rod is disposed with a rack portion which meshes with the second gear element, and the second gear element meshes with the third gear element; the third gear element is disposed with a cam portion; the first pressing rod, also disposed with an inclined surface, extends out of the developing unit; the first pressing rod is the control element; and the first pressing rod receives an external force to make the first pressing rod close to or away from the developing unit, such that the cam portion meshes with or does not mesh with the photosensitive unit, thereby making the developing element close to or away from the photosensitive element.   
     
     
         36 . The processing cartridge according to  claim 29 , wherein:
 the control unit includes a first pressing rod and a second ejection rod; the first pressing rod is the control element; the first pressing rod is capable of moving on the developing unit; an inclined surface is disposed on the first pressing rod; the second ejection rod is configured to rotate around a rotating axle disposed on the developing unit; and the first pressing rod receives an external force to make the first pressing rod close to or away from the developing unit, such that the second ejection rod is abutted or not abutted against the photosensitive unit, thereby making the developing element close to or away from the photosensitive element.