A hook unlocking mechanism

By designing a snap unlocking mechanism including hooks, compression springs and buttons, the existing snaps are solved inconvenient during buckle and unlocking and limited service life, achieving convenient operation and extended service life.

CN222702355UActive Publication Date: 2025-04-01SUZHOU TIANYE MEDICAL EQUIP CO LTD
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Patent Information

Application Number
CN202421368212.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-17
Publication Date
2025-04-01
Estimated Expiration
2034-06-17

AI Technical Summary

Technical Problem

The existing snaps are inconvenient when buckled and unlocked, and after multiple loading and dismantling, the bottom connection part is easily broken due to fatigue effects, and its service life is limited.

Method used

A hook unlocking mechanism is designed, including a fixing base, hook, compression spring, upper case and button. The hook slides along the fixed base, and the compression spring provides elastic force to drive the hook to the locking part. The hook is driven to move when the button is pressed to achieve unlocking.

Benefits of technology

It realizes convenient buckle and unlocking of the snap, reducing the number and cost of parts, and extends the service life, avoiding fracture problems caused by fatigue effects.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a hook unlocking mechanism, comprising: a fixed base; a hook, which can slide along the fixed base, and the end of the hook extending out of the fixed base is provided with a hook; a compression spring, which is arranged in the fixed base, and the compression spring is located between one end of the hook and the inner wall of the fixed base, and the compression spring is used to provide elastic force to drive the hook to hook the locking part; an upper shell, which is connected to the fixed base, and the upper shell is used to limit the hook in the fixed base; a button, which penetrates the upper shell and contacts with the hook, and when the button is pressed, the hook is driven to move to achieve unlocking. In the hook unlocking mechanism described in the utility model, in the normal state, the compression spring provides elastic force to support the hook, so that the hook hooks the product, which is in the locked state; when unlocking, the button is pressed vertically downward, the inclined surface of the button contacts the inclined surface of the hook, the button presses the hook to move linearly in the fixed base, the compression spring is compressed, and the hook is in the unlocked state after retracting.
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Description

Technical Field

[0001] The utility model relates to the technical field of hooks, in particular to a hook unlocking mechanism. Background Art

[0002] As a connection device, buckles are widely used in various industries, such as automotive interiors, luggage locks, or connections of various mechanical structures. The design of buckles lies in the "buckle", which needs to be tightly combined to ensure the required connection strength. It is a convenient, fast and economical assembly method.

[0003] Most of the existing buckles are made of plastic with a certain degree of flexibility, which ensures that the buckle is easily deformed when installed, and after being installed in place, the buckle rebounds well, making the buckle easy to install and reliably connected.

[0004] However, the existing buckles also have the following disadvantages:

[0005] 1. In the existing technology, the buckle needs to be manually guided when it is buckled, and a certain separation force needs to be applied to the buckle to release the buckle mode when it is disengaged, which is inconvenient to use.

[0006] 2. After the existing buckle is installed and removed many times, the part at the bottom of the buckle that connects to the product is easy to break due to fatigue effect. The broken buckle device is difficult to repair. Therefore, for parts using brittle or filled plastic, it is particularly easy to fail to be used many times and break easily. Utility Model Content

[0007] To this end, the technical problem to be solved by the utility model is to overcome the buckle structure in the prior art, which is not only inconvenient to open, but also requires more parts to open, resulting in more parts and higher costs, and the buckle structure causes the service life to be greatly limited.

[0008] In order to solve the above technical problems, the utility model provides a hook unlocking mechanism, including: a fixed base; a hook, which is arranged inside the fixed base, and the hook can slide along the fixed base, and the end of the hook extending out of the fixed base is provided with a hook portion; a compression spring, which is arranged in the fixed base, and the compression spring is located between one end of the hook and the inner wall of the fixed base, and the compression spring is used to provide elastic force to drive the hook to hook the locking part; an upper shell, which is connected to the fixed base, and the upper shell is used to limit the hook in the fixed base; a button, which passes through the upper shell and contacts with the hook, and when the button is pressed, it drives the hook to move to achieve unlocking.

[0009] In one embodiment of the present invention, an inclined surface 1 is provided at one end of the button that passes through the upper shell and is located in the fixed base.

[0010] In an embodiment of the utility model, the hook is provided with a second inclined surface, the first inclined surface is in contact with the second inclined surface, and the relative movement of the first inclined surface and the second inclined surface can drive the hook to move to achieve unlocking and locking.

[0011] In one embodiment of the utility model, a groove one is provided on the fixed base, the hook is arranged in the groove one, and the hook can slide in the groove one, and the upper shell cover is arranged at the opening of the groove one.

[0012] In one embodiment of the utility model, a spring connecting protrusion is provided at one end of the hook located in groove one, a spring limiting groove is provided on the inner wall of groove one, one end of the compression spring is sleeved on the spring connecting protrusion, and the other end of the compression spring is arranged in the spring limiting groove.

[0013] In an embodiment of the utility model, the upper shell is provided with an opening, the hook is provided with an extension portion, the extension portion extends out of the opening from the end away from the hook, and the hook portion is arranged at the end position of the extension portion extending out of the opening.

[0014] In an embodiment of the utility model, the hook is provided with an avoidance groove, the inner wall of the avoidance groove is provided with a boss, and the second inclined surface is arranged on the inner wall of the boss away from the avoidance groove.

[0015] In one embodiment of the utility model, a pressing protrusion is provided in the middle position of the inner wall of the button, the height of the pressing protrusion is greater than the height of the button, the pressing protrusion extends out of the button, and the inclined surface is provided on the end of the pressing protrusion extending out of the button.

[0016] In an embodiment of the utility model, a through hole 1 is provided on the upper shell, and the end of the pressing protrusion extending out of the button passes through the through hole 1.

[0017] In one embodiment of the utility model, a guide groove is provided on the upper shell, the lower end of the button is arranged in the guide groove, and the button and the guide groove can move relative to each other.

[0018] The above technical solution of the utility model has the following beneficial effects compared with the prior art:

[0019] The hook unlocking mechanism described in the utility model is mainly composed of a fixed base, a hook, a compression spring, an upper shell and a button. In a normal state, the compression spring provides elastic force to support the hook, so that the hook hooks the product, which is in a locked state; when unlocking, the button is pressed vertically downward, the inclined surface of the button contacts the inclined surface of the hook, the button presses the hook to move linearly in the fixed base, the compression spring is compressed, and the hook is retracted and is in an unlocked state. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to make the content of the utility model easier to understand, the utility model is further described in detail according to the specific embodiments of the utility model in combination with the accompanying drawings, wherein

[0021] Figure 1 It is a cross-sectional view of the hook unlocking mechanism in the preferred embodiment of the utility model.

[0022] Explanation of the reference numerals in the specification: fixed base 1, groove 11, spring limiting groove 111, hook 2, hook portion 21, inclined surface 22, spring connecting convex portion 23, extension portion 24, avoidance groove 25, boss 251, compression spring 3, upper shell 4, opening 41, through hole 1 42, guide groove 43, button 5, inclined surface 1 51, pressing convex portion 52. DETAILED DESCRIPTION

[0023] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and implement it, but the embodiments are not intended to limit the present invention.

[0024] Reference Figure 1 As shown, the hook unlocking mechanism of the utility model includes several main components: a fixed base 1, a hook 2, a compression spring 3, an upper shell 4 and a button 5; the hook 2 is arranged inside the fixed base 1, and the hook 2 can slide along the fixed base 1, and the end of the hook 2 extending out of the fixed base 1 is provided with a hook portion 21; the compression spring 3 is arranged in the fixed base 1, and the compression spring 3 is located between one end of the hook 2 and the inner wall of the fixed base 1, and the compression spring 3 is used to provide elastic force to drive the hook 2 to hook the locking part; the upper shell 4 is connected to the fixed base 1, and the upper shell 4 is used to limit the hook 2 in the fixed base 1; the button 5 runs through the upper shell 4 and contacts with the hook 2, and when the button 5 is pressed, it drives the hook 2 to move to achieve unlocking. Under normal circumstances, when the button 5 is not pressed, the compression spring 3 is not compressed, and the compression spring 3 provides elastic force to cause the hook 2 to extend and hook the product; when unlocking, the button 5 is pressed down, and the button 5 is pressed down to drive the hook 2 to move in the fixed base 1, and the hook 2 is out of the hooking position to achieve unlocking.

[0025] In the above structure, the button 5 passes through the upper shell 4 and is provided with an inclined surface 1 51 at one end located in the fixed base 1. The hook 2 is provided with an inclined surface 22, and the inclined surface 1 51 is in contact with the inclined surface 22. The relative movement of the inclined surface 1 51 and the inclined surface 22 can drive the hook 2 to move to achieve unlocking and locking.

[0026] In the above structure, the fixed base 1 is provided with a groove 11, the hook 2 is arranged in the groove 11, and the hook 2 can slide in the groove 11, and the upper shell 4 is covered at the opening of the groove 11. The end of the hook 2 located in the groove 11 is provided with a spring connection protrusion 23, and the inner wall of the groove 11 is provided with a spring limiting groove 111, one end of the compression spring 3 is sleeved on the spring connection protrusion 23, and the other end of the compression spring 3 is arranged in the spring limiting groove 111.

[0027] In the above structure, the upper shell 4 is provided with an opening 41 , the hook 2 is provided with an extension portion 24 , the end of the extension portion 24 away from the hook 2 extends out of the opening 41 , and the hook portion 21 is arranged at the end position of the extension portion 24 extending out of the opening 41 .

[0028] In the above structure, the hook 2 is provided with an escape groove 25 , the inner wall of the escape groove 25 is provided with a boss 251 , and the second inclined surface 22 is arranged on the inner wall of the boss 251 away from the escape groove 25 .

[0029] In the above structure, a pressing protrusion 52 is provided in the middle position of the inner wall of the button 5, the height of the pressing protrusion 52 is greater than the height of the button 5, the pressing protrusion 52 extends out of the button 5, and the inclined surface 51 is provided on the end of the pressing protrusion 52 extending out of the button 5.

[0030] In the above structure, the upper shell 4 is provided with a through hole 1 42, and the end of the pressing protrusion 52 extending out of the button 5 passes through the through hole 1 42. The upper shell 4 is provided with a guide groove 43, and the lower end of the button 5 is arranged in the guide groove 43, and the button 5 and the guide groove 43 can move relative to each other. When the button 5 is pressed, the button 5 can move along the guide groove 43, thereby playing a role in guiding the button 5.

[0031] Obviously, the above embodiments are merely examples for the purpose of clear explanation and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from these are still within the scope of protection of the invention of the utility model.

Claims

1. A hook unlocking mechanism, characterized in that: include, Fixed base; A hook is arranged inside the fixed base and can slide along the fixed base, and an end of the hook extending out of the fixed base is provided with a hook portion; A compression spring is arranged in the fixed base, and the compression spring is located between one end of the hook and the inner wall of the fixed base, and the compression spring is used to provide elastic force to drive the hook to hook the locking part; An upper shell connected to the fixed base, and the upper shell is used to limit the hook in the fixed base; A button penetrates the upper shell and contacts the hook. When the button is pressed, the hook is driven to move to unlock the door.

2. The hook unlocking mechanism according to claim 1, characterized in that: The button passes through the upper shell and is provided with an inclined surface at one end located in the fixed base.

3. The hook unlocking mechanism according to claim 2, characterized in that: The hook is provided with an inclined surface 2, the inclined surface 1 is in contact with the inclined surface 2, and the relative movement of the inclined surface 1 and the inclined surface 2 can drive the hook to move to achieve unlocking and locking.

4. The hook unlocking mechanism according to claim 1, characterized in that: The fixed base is provided with a groove one, the hook is arranged in the groove one, and the hook can slide in the groove one, and the upper shell cover is arranged at the opening of the groove one.

5. The hook unlocking mechanism according to claim 4, characterized in that: One end of the hook located in the groove one is provided with a spring connecting protrusion, the inner wall of the groove one is provided with a spring limiting groove, one end of the compression spring is sleeved on the spring connecting protrusion, and the other end of the compression spring is arranged in the spring limiting groove.

6. The hook unlocking mechanism according to claim 1, characterized in that: The upper shell is provided with an opening, the hook is provided with an extension portion, the end of the extension portion away from the hook extends out of the opening, and the hook portion is arranged at the end position of the extension portion extending out of the opening.

7. The hook unlocking mechanism according to claim 3, characterized in that: The hook is provided with an avoidance groove, the inner wall of the avoidance groove is provided with a boss, and the second inclined surface is arranged on the inner wall of the boss away from the avoidance groove.

8. The hook unlocking mechanism according to claim 7, characterized in that: A pressing protrusion is provided in the middle position of the inner wall of the button, the height of the pressing protrusion is greater than the height of the button, the pressing protrusion extends out of the button, and the inclined surface 1 is provided on the end of the pressing protrusion extending out of the button.

9. The hook unlocking mechanism according to claim 8, characterized in that: The upper shell is provided with a through hole one, and the end of the pressing protrusion extending out of the button passes through the through hole one.

10. The hook unlocking mechanism according to claim 1, characterized in that: The upper shell is provided with a guide groove, the lower end of the button is arranged in the guide groove, and the button and the guide groove can move relative to each other.

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