Anti-drop and anti-clamping reinforced heat dissipation locking device

Abstract

The utility model discloses a kind of anti-disengagement anti-clamping reinforced heat-dissipating locking devices, including middle shaft, rear wedge block is installed at one end of the middle shaft, middle wedge block is installed in the middle of the middle shaft, the both ends of the middle wedge block of the middle shaft are equipped with ejection wedge block, front wedge block is installed in the one end of the middle shaft away from rear wedge block by screw rod adjustable, the both sides of front wedge block in screw rod are equipped with the limiting pin of screw rod limiting, screw rod is equipped with annular groove with the limiting pin cooperation;The both sides of front wedge block, middle wedge block, rear wedge block and ejection wedge block are equipped with heat dissipation groove with equal interval.The utility model, front wedge block is equipped with the limiting pin of screw rod limiting in the both sides of screw rod, screw rod is equipped with annular limiting groove with the limiting pin cooperation, can guarantee that screw rod is tightened and loosened all have physical limiting, reach non-human damage outside, the effect of not disengaging;Wedge block is equipped with heat dissipation groove, can realize the good heat dissipation of wedge block.

Description

Technical Field

[0001] This utility model relates to the field of electronic product locking technology, specifically a locking device for preventing slippage and jamming with enhanced heat dissipation. Background Technology

[0002] Locking strips are mainly used for the installation and fixation of electronic modules or circuit boards in the chassis, reducing the cumbersome and space-restricted process of fixing modules or boards with screws.

[0003] The existing announcement number CN116896841A discloses an active reset locking strip, including a mounting base plate fixed to the module to be locked by a screw, a rear wedge block fixed to the mounting base plate by a screw and located at the end of the mounting base plate, a plurality of ejector wedge blocks and intermediate wedge blocks connected alternately and with interference fit, a front wedge block connected with an ejector wedge block at the end away from the rear wedge block with interference fit, and a drive module passing through the mounting base plate and connected to the front wedge block; wherein, the components at both ends after the plurality of ejector wedge blocks and intermediate wedge blocks are connected are ejector wedge blocks, and the ejector wedge blocks at both ends are respectively connected with the rear wedge block and the front wedge block with interference fit.

[0004] While existing technologies have achieved the locking of electronic modules or circuit boards, the existing locking devices are prone to jamming, and the screws lack a limiting structure, which can lead to them coming loose. Our company has previously applied for a screw anti-loosening wedge anti-jamming locking device, but its heat dissipation performance needs further improvement. Therefore, we propose an anti-loosening and anti-jamming enhanced heat dissipation locking device. Utility Model Content

[0005] The purpose of this invention is to provide an anti-detachment, anti-jamming, enhanced heat dissipation locking device to solve the problems in the prior art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: an anti-detachment, anti-jamming, enhanced heat dissipation, and locking device, comprising a central shaft, a rear wedge block installed at one end of the central shaft, a middle wedge block installed in the middle of the central shaft, ejector wedge blocks installed at both ends of the central shaft located at the middle wedge block, and a front wedge block installed at the end of the central shaft away from the rear wedge block via a screw, wherein limiting pins for limiting the screw are installed on both sides of the front wedge block, and the screw has an annular groove that cooperates with the limiting pins; heat dissipation grooves are equally spaced on both sides of the front wedge block, the middle wedge block, the rear wedge block, and the ejector wedge block.

[0007] Preferably, guide limiting grooves are provided on both sides of the ejector wedge block, and guide limiting heads that cooperate with the guide limiting grooves are provided at the ends of the front wedge block, the middle wedge block and the rear wedge block that are connected to the ejector wedge block.

[0008] Preferably, the front wedge block, the middle wedge block, the rear wedge block, and the ejector wedge block are all provided with grooves for mounting the central shaft, and the edges on both sides of the front wedge block, the middle wedge block, the rear wedge block, and the ejector wedge block are provided with limit protrusions.

[0009] Preferably, the end faces of the intermediate wedge block and the ejector wedge block that meet are inclined and adapted to each other, the end faces of the front wedge block and the ejector wedge block that meet are inclined and adapted to each other, and the end faces of the rear wedge block and the ejector wedge block that meet are inclined and adapted to each other.

[0010] Preferably, the rear wedge block and the central shaft are connected by a first pin.

[0011] Preferably, a second pin is installed at the front wedge block of the central axis, and the front wedge block has a movable groove that cooperates with the second pin.

[0012] Preferably, a washer is installed at one end of the screw located on the front wedge block.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: the front wedge block is equipped with limiting pins on both sides of the screw to limit the screw's position, and the screw has an annular limiting groove that cooperates with the limiting pins, which can ensure that the screw is physically limited when tightening and loosening, and achieve the effect of not coming off unless damaged by human intervention; the front wedge block, the middle wedge block, the rear wedge block and the ejector wedge block are provided with heat dissipation grooves, which can achieve good heat dissipation of the wedge block. Attached Figure Description

[0014] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0015] Figure 1 This is a schematic diagram of the structure of this utility model;

[0016] Figure 2 This is a structural schematic diagram of the present invention from the bottom view;

[0017] Figure 3 This is a top view of the present invention;

[0018] Figure 4 This is a cross-sectional view of the present invention;

[0019] Figure 5 This is an exploded view of this utility model;

[0020] Figure 6 This is a schematic diagram of the ejector wedge block of this utility model;

[0021] Figure 7 This is a schematic diagram of the structure of this utility model.

[0022] In the diagram: 1. Front wedge block; 2. Middle wedge block; 3. Rear wedge block; 4. Ejector wedge block; 5. First pin; 6. Screw; 7. Central shaft; 8. Limiting pin; 9. Second pin; 10. Gasket; 401. Guide limiting groove; 402. Heat dissipation groove; 403. Limiting protrusion; 601. Annular groove. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model. Therefore, the following detailed description of the embodiments of this utility model provided in the accompanying drawings is not intended to limit the scope of the claimed utility model, but merely to represent selected embodiments of this utility model.

[0024] Please see Figure 1-7 In this embodiment of the present invention, an anti-detachment, anti-jamming, enhanced heat dissipation, and locking device includes a central shaft 7. A rear wedge block 3 is installed at one end of the central shaft 7. The rear wedge block 3 and the central shaft 7 are connected by a first pin 5. A middle wedge block 2 is installed in the middle of the central shaft 7. Ejector wedge blocks 4 are installed at both ends of the central shaft 7 located at the middle wedge block 2. A front wedge block 1 is installed at the end of the central shaft 7 away from the rear wedge block 3 via a screw 6. A washer 10 is installed at one end of the screw 6 located at the front wedge block 1. Limiting pins 8 for limiting the screw 6 are installed on both sides of the front wedge block 1 located at the screw 6. The screw 6 has an annular groove 601 that cooperates with the limiting pins 8. The central shaft 7 is installed at the front wedge block 1. The device includes a second pin 9, and the front wedge block 1 has a movable groove that mates with the second pin 9. The front wedge block 1, the middle wedge block 2, the rear wedge block 3, and the ejector wedge block 4 all have heat dissipation grooves 402 spaced equally on both sides. By adjusting the screw, the ejector wedge block 4 can be ejected or retracted, thereby locking the product. The front wedge block 1 has limiting pins 8 installed on both sides of the screw 6 to limit the screw 6. The screw 6 has an annular limiting groove that mates with the limiting pins 8, ensuring that the screw is physically limited during tightening and loosening, preventing it from coming off unless damaged by human intervention. The heat dissipation grooves 402 on the front wedge block 1, the middle wedge block 2, the rear wedge block 3, and the ejector wedge block 4 allow for excellent heat dissipation of the wedge blocks.

[0025] The ejector wedge 4 has guide limiting grooves 401 on both sides. The front wedge 1, the middle wedge 2 and the rear wedge 3 are respectively provided with guide limiting heads that cooperate with the guide limiting grooves 401 at the ends connected to the ejector wedge 4. The guide limiting grooves 401 and the guide limiting heads make the guiding and limiting more convenient. The end faces of the middle wedge 2 and the ejector wedge 4 are inclined and adapted to each other. The end faces of the front wedge 1 and the ejector wedge 4 are inclined and adapted to each other. The end faces of the rear wedge 3 and the ejector wedge 4 are inclined and adapted to each other.

[0026] The front wedge block 1, the middle wedge block 2, the rear wedge block 3 and the ejector wedge block 4 are all provided with grooves for the installation of the central shaft 7. The edges on both sides of the front wedge block 1, the middle wedge block 2, the rear wedge block 3 and the ejector wedge block 4 are provided with limit protrusions 403.

[0027] The working principle of this utility model is as follows: by adjusting the screw, the ejection wedge block 4 can be ejected or retracted, thereby locking the product; the front wedge block 1 is equipped with limiting pins 8 on both sides of the screw 6 to limit the screw 6, and the screw 6 has an annular limiting groove that cooperates with the limiting pins 8, which can ensure that the screw is physically limited when tightening or loosening, and achieve the effect of not coming off unless damaged by human intervention; the front wedge block 1, the middle wedge block 2, the rear wedge block 3 and the ejection wedge block 4 are provided with heat dissipation grooves 402, which can achieve good heat dissipation of the wedge blocks.

[0028] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A locking device for preventing slippage and jamming, with enhanced heat dissipation, comprising a central shaft (7), characterized in that: A rear wedge block (3) is installed at one end of the central shaft (7), a middle wedge block (2) is installed in the middle of the central shaft (7), and ejector wedge blocks (4) are installed at both ends of the central shaft (7) located at the middle wedge block (2). A front wedge block (1) is installed at the end of the central shaft (7) away from the rear wedge block (3) via a screw (6). The front wedge block (1) is equipped with limiting pins (8) on both sides of the screw (6) to limit the screw (6). The screw (6) has an annular groove (601) that cooperates with the limiting pins (8). Heat dissipation grooves (402) are equally spaced on both sides of the front wedge block (1), the middle wedge block (2), the rear wedge block (3) and the ejector wedge block (4).

2. The anti-detachment, anti-jamming, enhanced heat dissipation locking device according to claim 1, characterized in that: The ejector wedge (4) has guide limiting grooves (401) on both sides of both ends. The front wedge (1), the middle wedge (2) and the rear wedge (3) are respectively provided with guide limiting heads that cooperate with the guide limiting grooves (401) at the ends connected to the ejector wedge (4).

3. The anti-detachment and anti-jamming enhanced heat dissipation locking device according to claim 1, characterized in that: The front wedge block (1), the middle wedge block (2), the rear wedge block (3) and the ejector wedge block (4) are all provided with grooves for the installation of the central shaft (7), and the edges on both sides of the front wedge block (1), the middle wedge block (2), the rear wedge block (3) and the ejector wedge block (4) are provided with limit protrusions (403).

4. The anti-detachment, anti-jamming, enhanced heat dissipation locking device according to claim 1, characterized in that: The end face of the middle wedge block (2) and the ejector wedge block (4) is inclined and they are adapted to each other. The end face of the front wedge block (1) and the ejector wedge block (4) is inclined and they are adapted to each other. The end face of the rear wedge block (3) and the ejector wedge block (4) is inclined and they are adapted to each other.

5. The anti-detachment, anti-jamming, enhanced heat dissipation locking device according to claim 1, characterized in that: The rear wedge block (3) and the central shaft (7) are connected by a first pin (5).

6. The anti-detachment, anti-jamming, enhanced heat dissipation locking device according to claim 1, characterized in that: The central shaft (7) is equipped with a second pin (9) at the front wedge block (1), and the front wedge block (1) has a movable groove that cooperates with the second pin (9).

7. The anti-detachment, anti-jamming, enhanced heat dissipation locking device according to claim 1, characterized in that: The screw (6) is fitted with a gasket (10) at one end of the front wedge block (1).

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