CN215494874U - Push type locking mechanism and case - Google Patents

Abstract

The utility model discloses a push type locking mechanism and a case, belonging to the technical field of servers and comprising a fixed frame, a top block, a bracket and a push type locking component; the fixing frame is provided with a V-shaped elastic clamping plate, and the end part of the elastic clamping plate is bent with a clamping part; the bracket is connected with the fixed frame and guides the top block in a sliding way; the locking assembly is pressed to push the top block to be locked or unlocked, the top block extrudes and stretches the elastic clamping plate or the elastic clamping plate extrudes and retracts the top block, the clamping part is made to shift, and the locking or unlocking of the tray module is realized. The tray module is stably and firmly locked; overall structure is simple, small and exquisite, and it is general for a short time, simple operation, operation range are little, can be applicable to constrictive server machine case space better, and the practicality is good.

Description

Push type locking mechanism and case

Technical Field

The utility model belongs to the technical field of servers, and particularly relates to a push type locking mechanism and a case.

Background

In a server chassis, generally, in order to prevent a tray module (a power module, a hard disk module, a server node module) in the chassis from sliding out of the chassis, a latch-like tenon structure is used to fix the tray module on the chassis.

Nowadays, the following two methods are mainly designed:

one of them, use passive shell fragment, cause the shell fragment variant when pushing in the tray module, its internal component pushes away to the tray and fixes the back in the position, and the draw-in groove is gone into to the shell fragment card, reaches the fixed effect of tray module. But the bolt can be slid into the clamping groove only by a larger turning radius, the structure is complex, the operation range is large, and the bolt can not be well applied to a smaller space of a server case.

And secondly, the cam latch is used, and the cam latch is clamped into the designed clamping groove through rotating the cam, so that the effect of fixing the tray module is achieved. However, the user needs to rotate the cam latch structure by hand, and the case space is narrow, which causes a problem of difficulty in operation.

SUMMERY OF THE UTILITY MODEL

The utility model provides a push type locking mechanism and a chassis, aiming at solving the problems that the existing components for locking a tray module and the chassis are complex in structure, large in operation range, incapable of being well applied in a smaller space of the server chassis, difficult to operate and the like.

The utility model is realized by the following technical scheme.

A push type locking mechanism comprises a fixed frame, an ejector block, a bracket and a push locking component; the fixing frame is provided with a V-shaped elastic clamping plate, and the end part of the elastic clamping plate is bent to form a clamping part; the bracket is connected with the fixed frame and guides the ejector block in a sliding manner; the pressing locking assembly pushes the ejector block to be locked or unlocked, the ejector block extrudes and stretches the elastic clamping plate or the elastic clamping plate extrudes and retracts the ejector block, the clamping part is made to shift, and locking or unlocking is achieved. The pushing block is pushed downwards by pressing the locking assembly and is locked and limited, the pushing block extrudes and props the V-shaped elastic clamping plate, the buckling part moves outwards, and the tray module is locked; the pushing locking assembly is pushed to unlock the ejection block, the V-shaped elastic clamping plate extrudes the ejection block and retracts upwards, the clamping part moves inwards to reset, and the tray module is unlocked; the tray module is stably and firmly locked; overall structure is simple, small and exquisite, and it is general for a short time, simple operation, operation range are little, can be applicable to constrictive server machine case space better, and the practicality is good.

The utility model is further improved in that the top block is in a triangular prism structure matched with the V-shaped opening of the elastic clamping plate. The two sides of the ejector block slide and extrude and stretch towards the inner side of the V-shaped elastic clamping plate, so that the ejector block can well support the V-shaped elastic clamping plate, and the V-shaped elastic clamping plate can smoothly extrude and retract the ejector block.

The utility model is further improved in that the bracket is provided with a sliding groove, and the ejector block is provided with a guide pillar which is guided by the sliding groove in a sliding manner. The ejector block is slidably inserted into the sliding groove through the guide pillar, and accurate, stable and vertical guiding of the support to the ejector block can be achieved.

In a further improvement of the utility model, the pressing locking component comprises an upper inner rod, a lower inner rod and an upper inner rod shell connected to the bracket; the upper inner rod is slidably inserted into the upper inner rod shell, and the bottom of the lower inner rod is abutted to the ejector block; a clamping column is arranged on the side face of the lower inner rod, and a rebound clamping groove and a locking clamping groove which are clamped with the clamping column are arranged on the upper inner rod shell at intervals; the opposite sides of the upper inner rod and the lower inner rod are respectively provided with an upper rotation limiting part and a lower rotation limiting part; the upper rotating limiting part is used for extruding and pushing the lower rotating limiting part, and the lower inner rod rotates to enable the clamping column to be clamped in the rebounding clamping groove or the locking clamping groove. The pole in downwards pressing on, pole in going up is through the vertical direction of pole shell in last, and the card post is from resilience draw-in groove roll-off to through last spacing portion of rotating and the spacing characteristic of rotation in the spacing portion of lower rotation, make the card post rotate clockwise, and kick-back small distance card go into the locking draw-in groove in, realize attaching the support lock of pole down, the kicking block of pole lower extreme props the extrusion of the elasticity cardboard of V type and struts down, makes the clamping part shift outward, carries out the lock solid to the tray module. Press down and go up interior pole, the card post from the locking draw-in groove roll-off to through last spacing portion of rotating and the spacing characteristic of rotation in the spacing portion of lower rotation, make the card post clockwise rotate, the card post falls into the locking draw-in groove in, the elasticity cardboard through the V type returns to contract to the extrusion of kicking block, makes a kicking block upwards kick-back a large section distance, relieves the kicking block and struts the elasticity cardboard of V type, and the clamping part shifts inwards and resets, realizes the unblock to the tray module. Simple structure, ingenious design and easy realization.

The utility model is further improved in that a sliding groove is formed in the side surface of the upper inner rod, and a sliding block matched with the sliding groove is arranged on the inner side of the shell of the upper inner rod. The sliding block is matched with the sliding groove, vertical sliding guiding and limiting are achieved for the upper inner rod, and using reliability is guaranteed.

In addition, a compression spring is arranged between the upper inner rod and the lower inner rod. The upper inner rod and the lower inner rod have certain elasticity through the compression spring, so that a gap or an idle stroke is avoided in the operation process, and the continuity of the action is ensured.

The utility model is further improved in that a boss is arranged at one end, close to the ejector block, of the lower inner rod, a limiting groove is formed in one side, close to the lower inner rod, of the ejector block, and a limiting block for limiting the boss is arranged in the limiting groove. The boss is placed in the limiting groove, the upward direction of the boss is limited through the limiting block, the boss can only realize rotating action in the limiting groove, and the action reliability is guaranteed.

The utility model is further improved in that a positioning block is arranged on the outer side of the shell of the upper inner rod, and a positioning groove for positioning the positioning block is formed in the bracket; one side of the bracket, which is far away from the fixing frame, is provided with a sealing plate for limiting the positioning block. The positioning block is positioned through the positioning groove, and the sealing plate is limited, so that the convenient and firm fixed installation of the upper inner rod shell is realized.

A chassis comprises a box body, a tray module and a push type locking mechanism; the tray modules are arranged on the left side and the right side of the box body in a front-back sliding mode, and the fixing frame is fixedly arranged on the inner wall of the box body between the two tray modules; and the opposite side surface of the tray module is provided with a locking groove matched with the buckling part. Through operating the push type locking mechanism, the buckling part and the locking groove are inserted, closed and unlocked, the tray module is flexibly disassembled, assembled and firmly fixed and limited, the tray module is suitable for narrow server case space, and the practicability is good.

In a further improvement of the present invention, a handle is provided at the front end of the tray module. The handle is convenient for drawing the tray module back and forth.

According to the technical scheme, the utility model has the beneficial effects that: the pushing block is pushed downwards and locked and limited by pressing the locking and attaching assembly, the pushing block extrudes and props the V-shaped elastic clamping plate, the clamping part moves outwards and is inserted and combined with the locking groove on the tray module, and the tray module is locked; the pushing locking assembly is pushed to unlock the ejection block, the V-shaped elastic clamping plate extrudes the ejection block and retracts upwards, the clamping part moves inwards to reset, and the clamping part is separated from a locking groove on the tray module, so that the tray module is unlocked; the tray module is stably and firmly locked; overall structure is simple, small and exquisite, and it is general for a short time, simple operation, operation range are little, can be applicable to constrictive server machine case space better, and the practicality is good.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

Fig. 1 is a schematic structural view of a push-type locking mechanism according to an embodiment of the present invention.

Fig. 2 is a schematic structural view of fig. 1 with the fixing frame, the elastic clamping plate and the closing plate removed.

Fig. 3 is a schematic structural view of a pressing and locking assembly according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of an upper inner rod casing according to an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a top block according to an embodiment of the present invention.

Fig. 6 is a schematic view of a structure of the upper inner rod and the lower inner rod matching with each other according to the embodiment of the present invention.

Fig. 7 is a schematic structural view of the lower inner rod according to the embodiment of the present invention.

Fig. 8 is a schematic structural view of an upper inner rod according to an embodiment of the present invention.

Fig. 9 is a schematic structural diagram of a chassis according to an embodiment of the present invention.

In the drawings: 1. the mount, 2, the elasticity cardboard, 3, the support, 31, the constant head tank, 4, the shrouding, 5, the kicking block, 51, the spacing groove, 52, the stopper, 6, the guide pillar, 7, go up interior pole, 71, the spout, 72, go up and rotate spacing portion, 8, go up interior pole shell, 81, the slider, 82, resilience draw-in groove, 83, the locking draw-in groove, 84, the locating piece, 9, interior pole down, 91, down rotate spacing portion, 10, the card post, 11, compression spring, 12, the box, 13, the tray module, 14, the handle, 15, the locking groove.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the present embodiment, and it is apparent that the embodiments described below are only a part of embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of protection of this patent.

As shown in fig. 1, a press type locking mechanism includes a fixing frame 1 of an L-shaped bent plate, a top block 5, a bracket 3 of an "Jiong" shaped plate, and a press locking assembly; the upper side of the fixed frame 1 is welded with a V-shaped elastic clamping plate 2, and two end parts of the elastic clamping plate 2 are bent outwards to form clamping parts; the support 3 is arranged on the front side and the rear side of the elastic clamping plate 2 in a spanning mode and fixedly installed with the fixed frame 1 through screws, and the top block 5 is arranged on the inner side of the support 3 in a sliding mode; the pressing locking component is connected and installed with the upper side of the bracket 3.

The ejecting block 5 is pushed downwards by pressing the locking component and is locked and limited, the ejecting block 5 extrudes and expands the V-shaped elastic clamping plate 2, the clamping part moves outwards, and the tray module 13 is locked; the pressing locking assembly is pushed again to unlock the ejector block 5, the V-shaped elastic clamping plate 2 extrudes the ejector block 5 and retracts upwards, the clamping part moves inwards to reset, and the tray module 13 is unlocked; the tray module 13 is stably and firmly locked; overall structure is simple, small and exquisite, and it is general for a short time, simple operation, operation range are little, can be applicable to constrictive server machine case space better, and the practicality is good.

As shown in fig. 1, 2 and 5, the top block 5 has a triangular prism structure matching with the V-shaped opening of the elastic clamping plate 2, the edges of the top block are rounded, and the top edge of the top block faces downward. Two symmetrical sides through kicking block 5 slide the extrusion to strutting to the elasticity cardboard 2 inboard of V type, guarantee kicking block 5 to the good support of the elasticity cardboard 2 of V type to guarantee that the elasticity cardboard 2 of V type is to the smooth and easy extrusion of kicking block 5 and retract, guarantee the reliability of using.

As shown in fig. 1, 2 and 5, a vertical chute is formed in a vertical plate of the support 3, guide pillars 6 are arranged on two end faces of the top block 5, and a limiting cap with a larger diameter is arranged at the outer end of each guide pillar 6. The ejector block 5 is slidably inserted into the sliding groove through the guide pillar 6, so that accurate and stable vertical guiding of the support 3 to the ejector block 5 can be realized, and the use reliability is guaranteed.

As shown in fig. 3, 4 and 6, the pressing locking component comprises a cylindrical upper inner rod 7, a cylindrical lower inner rod 9 and a cylindrical upper inner rod shell 8, and the upper inner rod shell 8 is fixedly mounted with the top plate of the bracket 3; the upper inner rod 7 is vertically inserted into the inner ring of the upper inner rod shell 8 in a sliding manner and is limited by the rotation of the upper inner rod shell 8; the bottom of the lower inner rod 9 is abutted against the top block 5 and can rotate freely relatively; the circumferential surface of the lower inner rod 9 is provided with 3 clamping columns 10 (the included angle is 120 degrees) in an annular array, the upper inner rod shell 8 is provided with 3 rebound clamping grooves 82 and 3 locking clamping grooves 83 which are clamped with the clamping columns 10 in an annular array, the rebound clamping grooves 82 and the locking clamping grooves 83 are arranged at intervals, the depth of each rebound clamping groove 82 is greater than that of each locking clamping groove 83, and the bottom of each adjacent clamping groove is a smooth arc-shaped transition surface; the lower end surface of the upper inner rod 7 and the upper end surface of the lower inner rod 9 are respectively provided with an upper rotation limiting part 72 and a lower rotation limiting part 91; go up to rotate spacing portion 72 and rotate down and be equipped with the 120 degrees rotation spacing characteristics that agree with each other on the spacing portion 91, rotate spacing portion 72 and rotate down promptly and be equipped with 3 smooth bulge and 3 smooth recess that the interval set up respectively in the array, relative smooth bulge and smooth recess can lock completely.

Interior pole 7 in pressing down, interior pole 7 in going up is through the vertical direction of interior pole shell 8 in last, interior pole 9 promotes downwards down, card post 10 is from resilience draw-in groove 82 roll-off, and rotate spacing characteristic through last spacing portion 72 of rotating and rotating on the spacing portion 91 down, the smooth transition face clockwise rotation of interior pole shell 8 bottom in the laminating of messenger's card post 10 upper end, and kick-back small distance card is gone into in locking draw-in groove 83, the realization is to the support lock of interior pole 9 down attaching, the kicking block 5 that makes interior pole 9 lower extreme down struts the extrusion of elasticity cardboard 2 of V type, make the clamping part move outward, lock solid tray module 13. Through pushing down again in the pole 7 of going up, pole 7 of going up is through the vertical direction of pole shell 8 in going up, to the pole 9 promotion downwards in the lower, card post 10 is from locking draw-in groove 83 roll-off, and through the spacing characteristics of rotation on last spacing portion 72 of rotating and the spacing portion 91 of lower rotation, the smooth transition face clockwise rotation of pole shell 8 bottom in pole shell in the laminating of pole 10 upper end of messenger's card, card post 10 falls into locking draw-in groove 83, the elasticity cardboard 2 through the V type is to the extrusion of kicking block 5 and is retracted, make kicking block 5 upwards kick-back a large segment distance, relieve the kicking block 5 and to the strutting of the elasticity cardboard 2 of V type, the inboard shift of buckle resets, the realization is to the unblock of tray module 13. Simple structure, ingenious design and easy realization.

When the locking clamping groove 83 or the rebounding clamping groove 82 is clamped into the clamping column 10, the smooth protrusions on the upper rotation limiting part 72 and the smooth protrusions of the lower rotation limiting part 91 have small rotation deviation (misalignment), and the lower inner rod 9 is enabled to have clockwise rotation thrust when being in press contact.

As shown in fig. 3 and 8, 3 vertical sliding grooves 71 are formed in the circumferential surface of the upper inner rod 7, the upper ends of the sliding grooves 71 are through, and the lower ends of the sliding grooves 71 are not through; the inner ring of the upper inner rod shell 8 is provided with a sliding block 81 matched with the sliding groove 71. Through slider 81 and spout 71 agree with, realize vertical sliding guide to last interior pole 7, and realize spacing the ascending extreme position of last interior pole 7 through slider 81, prevent that last interior pole 7 from upwards deviating from, guarantee the reliability of using.

As shown in fig. 6 and 7, spring grooves are formed in the middle of the lower end of the upper inner rod 7 and the middle of the upper end of the lower inner rod 9, and compression springs 11 are arranged in the spring grooves. The upper inner rod 7 and the lower inner rod 9 have certain elasticity through the compression spring 11, so that a gap or an idle stroke is avoided in the operation process, and the continuity of the action is ensured.

As shown in fig. 5 and 7, a boss is arranged at the lower end of the lower inner rod 9, a limiting groove 51 is arranged at the upper end of the top block 5, and a plurality of limiting blocks 52 are arranged in the limiting groove 51. The boss is placed in the limiting groove 51, the upward direction of the boss is limited by the limiting block 52, the boss can only realize rotation in the limiting groove 51, and the reliability of the movement is guaranteed.

As shown in fig. 2, a positioning block 84 is arranged on the outer side of the upper inner rod casing 8, a positioning groove 31 for positioning the positioning block 84 is formed in the bracket 3, the upper part of the positioning groove 31 is through, the lower part of the positioning groove 31 is not through, and after the positioning block 84 is clamped in the positioning groove 31, the upper surface of the positioning block 84 is flush with the top surface of the bracket 3; the upper end of the bracket 3 is provided with a sealing plate 4 for limiting the positioning block 84, and the upper surface of the positioning block 84 is pressed downwards through the sealing plate 4 for limiting, so that the upper inner rod shell 8 is conveniently and firmly fixedly mounted.

As shown in fig. 9, a chassis includes a rectangular parallelepiped case 12, a rectangular parallelepiped tray module 13, and a press-type locking mechanism; the front end of the tray module 13 is provided with a handle 14 convenient to pull, the tray module 13 is arranged on the left side and the right side in the box body 12 in a front-back sliding manner, and the upper-lower direction and the outer side direction of the tray module are limited through the case 12; the fixed frame 1 is fixedly arranged on the inner wall of the box body 12 between the two tray modules 13, and the sealing plate 4 seals the gap ports of the two tray modules 13; and a locking groove 15 matched with the buckling part is formed on the inner side surface of the tray module 13. Through operating the push type locking mechanism, the buckling part and the locking groove 15 are inserted and unlocked, the tray module 13 is flexibly disassembled and firmly fixed and limited, and the push type locking mechanism is suitable for narrow server case space and has good practicability.

The push type locking mechanism and the case are simple and small in structure, small in space occupation, convenient to operate, small in operation amplitude, capable of being well suitable for narrow server case space and good in practicability; the pushing block is pushed downwards and locked and limited by pressing the locking and attaching assembly, the pushing block extrudes and props the V-shaped elastic clamping plate, the clamping part moves outwards and is inserted and combined with the locking groove on the tray module, and the tray module is locked; the pushing locking assembly is pushed to unlock the ejection block, the V-shaped elastic clamping plate extrudes the ejection block and retracts upwards, the clamping part moves inwards to reset, and the clamping part is separated from a locking groove on the tray module, so that the tray module is unlocked; the tray module is stably and firmly locked.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The terms "upper", "lower", "outside", "inside" and the like in the description and claims of the present invention and the above drawings are used for distinguishing relative positions if any, and are not necessarily given qualitatively. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the utility model described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A push type locking mechanism is characterized by comprising a fixed frame (1), an ejector block (5), a bracket (3) and a push locking component; the fixing frame (1) is provided with a V-shaped elastic clamping plate (2), and the end part of the elastic clamping plate (2) is bent to form a clamping part; the bracket (3) is connected with the fixed frame (1) and guides the top block (5) in a sliding manner; the pressing locking assembly pushes the ejector block (5) to be locked or unlocked, the ejector block (5) extrudes and stretches the elastic clamping plate (2) or the elastic clamping plate (2) extrudes and retracts the ejector block (5), so that the clamping part is shifted to realize locking or unlocking.

2. The push-type locking mechanism of claim 1, wherein the top block (5) has a triangular prism shape that fits the V-shaped opening of the elastic clamping plate (2).

3. The push-type locking mechanism of claim 1, wherein the bracket (3) has a slot, and the top block (5) has a guide post (6) slidably guided through the slot.

4. The push-type locking mechanism of claim 1, wherein the push-type locking assembly comprises an upper inner rod (7), a lower inner rod (9), and an upper inner rod housing (8) connected to the bracket (3); the upper inner rod (7) is slidably inserted into the upper inner rod shell (8), and the bottom of the lower inner rod (9) is abutted to the ejector block (5); a clamping column (10) is arranged on the side surface of the lower inner rod (9), and a rebound clamping groove (82) and a locking clamping groove (83) which are clamped with the clamping column (10) are formed in the upper inner rod shell (8) at intervals; the opposite sides of the upper inner rod (7) and the lower inner rod (9) are respectively provided with an upper rotation limiting part (72) and a lower rotation limiting part (91); the upper rotating limiting part (72) is used for extruding and pushing the lower rotating limiting part (91), the lower inner rod (9) rotates, and the clamping column (10) is clamped in the rebounding clamping groove (82) or the locking clamping groove (83).

5. The push type locking mechanism of claim 4, wherein a sliding groove (71) is formed on a side surface of the upper inner rod (7), and a sliding block (81) engaged with the sliding groove (71) is disposed on an inner side of the upper inner rod housing (8).

6. The push-type locking mechanism of claim 4, wherein a compression spring (11) is disposed between the upper inner rod (7) and the lower inner rod (9).

7. The push-type locking mechanism of claim 4, wherein a boss is disposed at one end of the lower inner rod (9) close to the top block (5), a limiting groove (51) is disposed at one side of the top block (5) close to the lower inner rod (9), and a limiting block (52) for limiting the boss is disposed in the limiting groove (51).

8. The push-type locking mechanism according to claim 4, wherein a positioning block (84) is disposed outside the upper inner rod housing (8), and a positioning groove (31) for positioning the positioning block (84) is disposed on the bracket (3); one side of the support (3) far away from the fixing frame (1) is provided with a sealing plate (4) for limiting the positioning block (84).

9. A cabinet, comprising a housing (12), a tray module (13) and the push-type locking mechanism of any one of claims 1 to 8; the tray modules (13) are arranged on the left side and the right side of the box body (12) in a front-back sliding mode, and the fixing frame (1) is fixedly arranged on the inner wall of the box body (12) between the two tray modules (13); and a locking groove (15) matched with the buckling part is formed in the opposite side surface of the tray module (13).

10. A cabinet according to claim 9, wherein the front end of the tray module (13) is provided with a handle (14).

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