CN201281831Y - Drawer pull buckle mechanism - Google Patents

Abstract

The utility model relates to a drawer pull buckle mechanism is applied to the pull buckle mechanism on the drawer of the extraction formula hard disk of server computer, utilizes to install in the drawer front edge and buckle to the side of this drawer front edge, and can be by the pull buckle body of round trip pulling on this drawer front edge to detain in buckling the hole to corresponding hasp, and fixed drawer is on drawer layer frame.

Description

Drawer Pull Mechanism

technical field

The utility model relates to a pull button mechanism for a drawer, in particular to a pull button mechanism applied to a pull-out hard disk drawer of a server computer.

Background technique

The drawer latch device in the known technology, as shown in Figure 1, its latch device is provided with two parallel guide posts 21 on the drawer front edge 20, and then on the latch assembly 10 relative to the two guide columns For the position of the guide column 21, two guide grooves 11 are dug, and the latch assembly 10 is movably arranged on the guide column 21, and the two guide columns 21 and the guide groove 11 are used to provide the latch assembly 10 on the guide column 21. The effect of moving left and right on the front edge 20 of the drawer is to realize the open state or the buckled state of the latch device.

However, due to the two parallel guide columns 21 of the latch device and the two guide grooves 11 on the latch assembly 10, only the limit restraint force for the lateral sliding of the latch assembly 10 can be provided, and it cannot be provided in the drawer. Therefore, when the latch assembly 10 is snapped into the corresponding latch hole, if the drawer is subjected to a longitudinal external force in the pull-out direction, the latch device can provide a very good locking effect. Limited, and it is easy to damage the latch device due to the longitudinal external force in the pull-out direction of the drawer. Therefore, there is room for improvement in the structure of the drawer latch device in the prior art.

Utility model content

In view of this, the technical problem to be solved by this utility model is to propose a drawer pull button mechanism, which is applied to the pull button mechanism on the drawer of the removable hard disk of the server computer. The side of the front edge, and the pull button body that can be pulled back and forth on the front edge of the drawer, under the guidance of the limit sliding mechanism, the pull button body can be pulled back and forth on the front edge of the drawer, and then provided by the return spring The elastic recovery force makes the pull buckle body bounce back to the position of the buckle lock state, so as to buckle into the corresponding lock buckle hole, and fix the drawer on the drawer shelf.

In order to achieve the above object, the utility model proposes a drawer pull button mechanism, which is installed in a drawer and used to fasten a lock hole of a drawer shelf, which at least includes a pull button body, an elastic reset device, a first A lateral limiting device and a second lateral limiting device. The pull button body also includes a pulling part installed on a drawer front edge of the drawer, an extension part is bent by the pulling part and extends along a drawer side of the drawer, and a locking part is extended from the Bend at the bottom to snap into the lock hole.

The elastic reset device is coupled to the pull button body and the front edge of the drawer to provide an elastic recovery force for the pull button body. The first lateral limiting device is installed between the pulling portion and the front edge of the drawer to limit the slider body to slide back and forth on the front edge of the drawer. In addition, the second lateral limiting device is installed on the extension part and the side of the drawer, further restricting the slider body from sliding back and forth on the front edge of the drawer.

The elastic return device also includes a pulling chamber formed on the pulling part, a stopper protruding from the front edge of the drawer, and a return spring device accommodated in the pulling chamber to provide the pull button body the elastic resilience.

The first lateral limiting device includes a guide column protruding from the front edge of the drawer, and a guide opening formed on the puller, so that the guide opening is slidably coupled to the guide column to limit the pull button The main body slides back and forth within the length range of the guiding opening. The second lateral limiting device includes a protrusion protruding from the side of the drawer and a guide hole formed in the extension, so that the guide hole can slide back and forth on the protrusion to guide the pull button body back and forth slide.

The pull button body is preferably an integrally formed component, and the length of the extension part is preferably shorter than the length of the pulling part. The top of the post is preferably a round end, so as to facilitate passing through the guide hole, and further restrict the pull button body from sliding back and forth within the length range of the post. In addition, the second transverse limiting device also provides a limiting and restraining force, which is a longitudinal limiting and restraining force perpendicular to the moving direction of the pull button body, so as to resist an external force in the drawing direction of the drawer. Preferably, the second lateral limiting device further provides a vertical limiting force to resist an external force of the drawer moving up and down.

The lock part preferably includes a beveled surface, so that when the lock part is buckled into the lock hole, it can be interfered by the wall of the lock hole, and push the pull button body to an open state, and then According to the elastic restoring force of the elastic reset device, it can bounce back to a position in a buckled state.

The drawer pull button mechanism proposed by the utility model can pull the pull button body back and forth on the front edge of the drawer through the above-mentioned first and second transverse limiting devices, and then install it in the pulling chamber through the installation of the elastic reset device The elastic restoring force provided by the return spring makes the buckle body rebound from the open state to the position of the buckle state. At the same time, through the protruding post and the guide hole on the side of the drawer, the restraining force in the longitudinal direction of the pull button body can be provided to resist the longitudinal external force and vertical external force in the drawer pulling direction. In this way, the drawer pull mechanism can be simultaneously provided with lateral, longitudinal and vertical constraints without affecting the horizontal sliding of the drawer mechanism.

Description of drawings

In order to make the above and other purposes, features, advantages and embodiments of the present invention more obvious and understandable, the detailed description of the accompanying drawings is as follows:

Fig. 1 is a drawer latch device in the known technology;

Fig. 2 is a schematic diagram of components of an embodiment of the drawer buckle mechanism of the present invention;

Fig. 3 is a schematic diagram of assembly of an embodiment of the drawer buckle mechanism of the present invention;

4A-4C are schematic diagrams of the action of the embodiment of the drawer pull mechanism of the present invention.

[Description of main component symbols]

100: Pull button body 210: Drawer front edge

110: Pulling part 211: Stopper

111: Guide opening 212: Guide post

112: Pulling room 220: Drawer side

113: Toggle lever 221: Boss

120: extension part 300: return spring

121: Guide hole 400: Drawer shelf

130: Lock part 410: Lock hole wall

131: Oblique cut surface 420: Lock button hole

200: drawers

Detailed ways

The utility model proposes a drawer pull button mechanism, which is applied to the pull button mechanism on the drawer of the extractable hard disk of the server computer. The pull button mechanism is installed on the front edge of the drawer and bent to the side of the front edge of the drawer, and can be pulled back and forth. The pull button body on the front edge of the drawer can be snapped into the corresponding lock hole to fix the drawer on the drawer shelf. The preferred embodiments of the utility model will be described below in conjunction with the illustrations, and the technical features of the utility model will be described in detail.

Cooperate with reference to Figures 2 and 3, which are the schematic diagrams of components and assembly diagrams of the embodiment of the drawer mechanism of the present invention, respectively. As shown in Figure 2, the drawer pull mechanism proposed by the utility model at least includes a pull button body 100, a stopper 211 on the drawer front edge 210, a guide column 212, and a protrusion on the side 220 of the drawer front edge. Post 221, and a return spring 300. The pull button body 100 is installed at one end of the drawer front edge 210 , and is bent to the side 220 of the drawer front edge 210 , and can be pulled back and forth on the drawer front edge 210 . The pull button body 100 further includes a pulling portion 110 , an extension portion 120 , and a locking portion 130 .

A wrenching chamber 112 is provided on the wrenching part 110, which is an accommodating space facing the direction of the front edge 210 of the drawer. The tail end of the wrenching part 110 is provided with a guide opening 111; the extension part 120 is vertically bent at the other end of the wrenching part 110 opposite to the guide opening 111, and its length is shorter than that of the wrenching part 113, and the center of the extension part 120 There is a guide hole 121 .

The locking part 130 is parallel to the pulling part 110 and is perpendicularly bent out from the guiding part 120. The locking part 130 is used to be locked into a locking hole 420 on the drawer shelf 400 (see FIG. 4C ). As shown), the end of the locking portion 130 is a chamfered surface 131 to facilitate the sliding locking of the locking portion 130 into the locking hole 420 .

In addition, the block 211 on the front edge 210 of the drawer protrudes from the surface of the front edge 210 of the drawer, and can be accommodated in the pulling chamber 112 of the pull button body 100 . The return spring 300 is also accommodated in the pulling chamber 112 together with the aforementioned stopper 211. The return spring 300 is supported on the stopper 211 and the side wall of the pulling chamber 112, providing the pull button body 100 in a pull-open position. The elastic restoring force under the state is to return to a buckled state from the opened state.

The guide column 212 protrudes from the surface of the drawer front edge 210, and makes the guide opening 111 of the pull button body 100 slide and engage with the guide column 212, so that the guide opening 111 can be limited back and forth on the guide column 212. position to slide to guide the pull button body 100 to slide back and forth, and provide a first lateral limiting device for the pull button body 100 of the drawer pull mechanism of the utility model.

The boss 221 protrudes from the side of the front edge 210 of the drawer and passes through the guide hole 121 of the pull button body 100. The top of the boss 221 is a round end so as to penetrate into the guide hole 121, so that the guide hole 121 can slide back and forth on the boss 221 to guide the slider body 100 to slide back and forth, and provide a second lateral limiting device for the slider body 100 of the drawer slider mechanism of the present invention. Wherein, the pulling chamber 112, the stopper 211 and the reset spring 300 jointly form an elastic reset device of the drawer pull mechanism of the present invention.

In this way, through the above-mentioned first and second lateral limiting devices, the pull button body 100 can be pulled back and forth on the front edge 210 of the drawer, and then the pull button body 100 can be made Rebound from the opened state to the locked state, and buckle into a locking hole 420 on the corresponding drawer shelf 400 , so as to lock and position the drawer 200 on the drawer shelf 400 . At the same time, through the protrusion 221 and the guide hole 121 on the side of the front edge 210 of the drawer, the limit and restraint force of the pull button body 100 in the longitudinal direction can also be provided to resist the longitudinal external force in the drawing direction of the drawer. . In this way, the drawer pull mechanism can be provided with restraint forces in the transverse and longitudinal directions at the same time, without affecting the horizontal sliding of the drawer pull mechanism. In addition, through the protrusion 221 and the guide hole 121 on the side of the front edge 210 of the drawer, the limit and restraint force of the pull button body 100 in the vertical direction can also be provided to resist the vertical external force of the drawer moving up and down. In this way, the drawer pull mechanism can be simultaneously provided with lateral, longitudinal and vertical constraints without affecting the horizontal sliding of the drawer mechanism.

Cooperate with reference to Figs. 4A-4C, which are schematic diagrams of the action of the embodiment of the drawer pull mechanism of the present invention. The drawer pull button mechanism of the present utility model is to buckle into the lock hole 420 on the corresponding drawer shelf 400 through the pull button body 100 installed on the front edge 210 of the drawer and capable of being pulled back and forth thereon. As shown in FIG. 4A , when the drawer 200 is to be put into the drawer shelf 400 , when the locking part 130 of the pull button body 100 touches the wall 410 of the locking hole, the beveled surface 131 at the end of the locking part 130 Under the mutual contact and interference with the lock hole wall 410, the pull button body 100 is pushed to the open state, and the lock part 130 can be slid into the lock hole 420, so that the drawer 200 is pushed in smoothly, as shown in Figure 4B. When the drawer 200 is pushed into the lock part 130 of the pull button body 100 and reaches the lock hole 420, the pull button body 100 rebounds from the opened state to the locked state due to the elastic restoring force of the reset spring 300, And snap into the locking hole 420, as shown in FIG. 4C. Conversely, if you want to pull out the drawer 200 from the drawer shelf 400, you can pull the pull lever 113 on the pulling part 110 of the pull button body 100 to open the pull button body 100 into the opened state, so that When the lock portion 130 is disengaged from the lock hole 420 , the drawer 200 can be pulled out again, and then the drawer body 100 will rebound to the locked position due to the elastic restoring force of the reset spring 300 .

Although the utility model has been disclosed as above with an embodiment, it is not intended to limit the utility model. Any person familiar with this technology can make various modifications and changes without departing from the spirit and scope of the utility model. Retouching, so the scope of protection of the present utility model should be as defined by the appended claims.

Claims (9)

1. a pull buckle mechanism of drawer is characterized in that, is installed on a drawer, and in order to fasten a bonnet lock hole of a drawer layer frame, this pull buckle mechanism of drawer comprises at least:

One draws the button body, also comprises:

One pulling part is installed in a drawer leading edge of this drawer;

One extension, by this pulling part bending, and the drawer side surface extension of prolonging this drawer; And

One latch part is by this extension bending, to buckle into this bonnet lock hole;

One elasticity reset device is coupled in this and draws button body and this drawer leading edge, draws button body one elastic-restoring force so that this to be provided;

One first cross spacing device is installed between this pulling part and this drawer leading edge, draws the button body to slidably reciprocate on this drawer leading edge to limit this; And

One second cross spacing device is installed in this extension and this drawer side surface, further limits this and draws the button body to slidably reciprocate on this drawer leading edge.

2. pull buckle mechanism of drawer according to claim 1 is characterized in that, the member that this draws the button body to be formed in one.

3. pull buckle mechanism of drawer according to claim 1 is characterized in that the length of this extension is less than this pulling part.

4. pull buckle mechanism of drawer according to claim 1 is characterized in that, this elasticity reset device also comprises:

One pulls the chamber, is formed at this pulling part;

One block is convexly set on this drawer leading edge; And

One back-moving spring is put, and is placed in this and pulls in the chamber, draws this elastic-restoring force of button body so that this to be provided.

5. pull buckle mechanism of drawer according to claim 1 is characterized in that, this first cross spacing device also comprises:

One guide posts, protruding this drawer leading edge of standing on; And

One guiding opening is formed at this pulling part, is coupled in this guide posts so that this guiding opening slides, and draws the button body to slidably reciprocate in the length range of this guiding opening to limit this.

6. pull buckle mechanism of drawer according to claim 1 is characterized in that, this second cross spacing device also comprises:

One projection, protruding this drawer side surface that stands on; And

One guide hole is formed at this extension, and this guide hole can be slidably reciprocated on this projection, draws the button body to slidably reciprocate to guide this.

7. pull buckle mechanism of drawer according to claim 6 is characterized in that, this projection top is a nose circle, in order to penetrating this guide hole.

8. pull buckle mechanism of drawer according to claim 7 is characterized in that, this projection and this guide hole further limit this and draw the button body to slidably reciprocate in the length range of this projection.

9. pull buckle mechanism of drawer according to claim 1, it is characterized in that, this latch part also comprises a scarf, can be subjected to the interference of the hole wall of this bonnet lock hole when buckling into to this bonnet lock hole for this latch part, draw button body to pull open state and push this, and the elastic-restoring force by this elasticity reset device, to spring back to the position of a padlock state.

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