Optical disc drive which can firmly fix its tray module within its housing

Abstract

An optical disc drive includes a housing, a positioning part fixed on the housing, and a tray module. The tray module includes a tray installed inside the housing with the ability to slide, a solenoid fixed on the tray for providing magnetic force, a latch installed beside the solenoid moving in response to changes in magnetic force, a push pod fixed on the tray in a rotatable manner with one end connected to the latch and the other end forming a space, a hook rotatably fixed on the tray with one end for engaging the positioning part and the other end connected to the push pod, a first elastic body fixed on the pivot of the push pod, and a second elastic body installed in a track of the housing. One end of the second elastic body is fixed in the space of the push pod.

1 . An optical disc drive comprising: 
 a housing having at least a track;    a positioning part fixed on the housing; and    a tray module comprising: 
 a tray installed within the housing in a slidable manner along the track;  
 a solenoid fixed on the tray for providing a magnetic force;  
 a latch installed beside the solenoid for moving according to changes of the magnetic force;  
 a push rod rotatably fixed on the tray with respect to a pivot, the push rod having one end connected to the latch and having a space formed at another end;  
 a hook rotatably fixed on the tray with one end for engaging with the positioning part and another end connected to the push rod;  
 a first elastic body fixed on the pivot of the push rod; and  
 a second elastic body installed on the tray and having one end fixed in the space of the push rod.  
   
   
   
       2 . The optical disc drive of  claim 1  wherein the solenoid comprises a magnet and a coil and the solenoid is capable of attracting the latch to make the first end of the push rod move close to the solenoid, and second end of the first elastic body push the first end of the hook away from the push rod; when the coil is supplied, the coil is capable of generating the magnetic force to counteract the magnetic force of the magnet to make the solenoid not attract the latch so that the second elastic body is capable of moving the push rod, and then the push rod is capable of moving the first end of the rod to rotate away from the positioning part so that the second elastic body pushes the tray away from the housing.  
   
   
       3 . The optical disc drive of  claim 1  wherein the first end of the push rod is connected to the latch in locking manner and the second end of the push rod is connected to the hook in the locking manner.  
   
   
       4 . The optical disc drive of the  claim 3  wherein the second end of the push rod has a protruding part connected to the hook in the locking manner.  
   
   
       5 . The optical disc drive of  claim 1  wherein the hook is an L-shaped hook and the first end of the hook has a tongue-shaped extension part for locking the positioning part.  
   
   
       6 . The optical disc drive of  claim 1  wherein the positioning part is a shaft.  
   
   
       7 . The optical disc drive of  claim 1  wherein the space is a slot.  
   
   
       8 . The optical disc drive of  claim 1  wherein the first elastic body is a torsion spring.  
   
   
       9 . The optical disc drive of  claim 1  wherein the second elastic body is a compression spring.