Spring lock structure
By designing a locking structure that includes a lock seat and a lock, the safety hazards of the box doors of existing facilities and equipment are solved, and the mechanical self-locking and password lock functions are realized, ensuring that the box door can only be opened under authorized conditions, improving safety and convenience.
Patent Information
- Application Number
- CN202420347173.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-26
- Publication Date
- 2025-03-14
- Estimated Expiration
- 2034-02-26
AI Technical Summary
The box doors of existing facilities and equipment are easily opened under the inadvertent operation of young children or pets, which poses safety risks. At the same time, there is a lack of effective password lock function, which cannot prevent unauthorized personnel from opening the box door.
A bump lock structure including a lock seat and a lock is designed. The lock has a built-in lock core assembly, which realizes mechanical self-locking and password lock functions through components such as card head, channel, lock tongue, unlocking button, etc., ensuring that the box door can only be opened under authorized conditions.
The mechanical self-locking and password locking functions of the box door are realized, preventing young children or unauthorized personnel from opening the box door unintentionally or illegally, improving safety and convenience of use.
Smart Images
Figure CN222615023U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a latch structure. Background Art
[0002] For boxes, cabinets and other facilities and equipment with opening and closing door structures (such as refrigerators), since the doors can be opened easily, young children often open the doors inadvertently, which poses certain safety hazards. There are also cases where pets quietly open the doors and enter the boxes, causing unnecessary trouble.
[0003] In order to avoid the above situation, it is necessary to configure a latch structure on the facility and equipment. The latch structure is required to have a mechanical self-locking function, that is, young children cannot open the door without their own consciousness; at the same time, the latch structure is required to have a password lock function, that is, when the password lock is locked, no one can open the door.
[0004] In order to meet the above two practical needs, a latch structure of this solution is produced. Utility Model Content
[0005] In view of the shortcomings existing in the above problems, the utility model provides a latch structure.
[0006] To achieve the above object, the utility model provides a latch structure, comprising a lock seat and a lock, wherein the lock is fixed on a box body, and the lock seat is fixed on one side of the box door and moves with the box door to approach or move away from the lock;
[0007] The lock comprises a lock housing and a lock core assembly built in the lock housing, a clamping head is formed on one side of the lock housing, a channel is formed in the middle of the clamping head, and the channel allows a lock core rod of the lock core assembly to move axially inside the channel;
[0008] The lock base includes a lock base housing, one side of which is formed with an opening, and when the door is closed, the clamp head can enter the opening, and a self-locking component and an unlocking component are arranged in the lock base housing, the self-locking component includes a lock tongue and a lock tongue spring, and the lock tongue spring makes the lock tongue keep the tendency to move toward the opening to lock the clamp head, and the unlocking component includes an unlocking button and a button reset spring, and the button reset spring makes the unlocking button partly extend out of the lock base housing, and the unlocking button and the lock tongue are linked by inclined extrusion, that is, when the unlocking button is pressed, the lock tongue can be forced to move away from the opening position, so that the lock tongue releases the clamp head;
[0009] A slider and a rotatable shift fork are also provided in the lock seat housing. The shift fork forms a transmission between the slider and the unlocking button so that the slider and the lock core rod are in a close contact state.
[0010] Furthermore, a column head is formed on one side of the sliding block, and the column head extends into the channel and is tightly attached to the lock core rod.
[0011] Furthermore, the lock core assembly also includes a lock core spring and a password wheel. There are three password wheels, and the three password wheels are inserted into the outside of the lock core rod.
[0012] Furthermore, a spring sheet is provided on the lock housing, and the spring sheet is pressed on the password wheel through the elastic force of the material.
[0013] Furthermore, the unlock button has an integrally formed first inclined surface, and the lock tongue has an integrally formed second inclined surface, and the first inclined surface and the second inclined surface form a linked inclined surface extrusion structure.
[0014] The beneficial effects of the utility model compared with the prior art are as follows: when the lock core assembly is in a locked state, the lock core rod cannot move axially, and no one can perform a door opening operation; when the lock core assembly is in an unlocked state, it is necessary to press the unlock button to separate the lock tongue from the clamping head before the door can be opened, thus meeting the actual use requirements of the product. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 A stereogram of a latch structure is provided;
[0016] Figure 2 is a schematic diagram of the lock parts involved;
[0017] Figure 3 for Figure 2 Exploded diagram of
[0018] Figure 4 is a schematic diagram of the lock seat part involved;
[0019] Figure 5 for Figure 4 Exploded diagram of
[0020] Figure 6 A schematic diagram of the internal structure of a latch structure is provided;
[0021] Figure 7 Schematic diagram of the unlocking buttons involved.
[0022] In the figure: 1. lock; 11. lock housing; 111. clamp; 12. lock core assembly; 121. lock core rod; 122. lock core spring; 123. combination wheel; 124. spring; 2. lock seat; 21. lock seat housing; 22. lock tongue; 221. second inclined surface; 23. lock tongue spring; 24. unlock button; 241. first inclined surface; 25. button reset spring; 26. slider; 261. column head; 27. fork; a. passage; b. opening. DETAILED DESCRIPTION
[0023] like Figure 1 As shown, a latching structure of an embodiment of the utility model comprises a lock base 2 and a lock 1, wherein the lock 1 is fixed on the box body, and the lock base 2 is fixed on one side of the box door and moves with the box door to approach or move away from the lock 1;
[0024] like Figure 2 , Figure 3 As shown, the lock 1 includes a lock housing 11 and a lock core assembly 12 built into the lock housing 11, a clamping head 111 is formed on one side of the lock housing 11, and a channel a is formed in the middle of the clamping head 111, and the channel a allows the lock core rod 121 of the lock core assembly 12 to move axially therein; the lock core assembly 12 also includes a lock core spring 122 and a password wheel 123, and there are three password wheels 123, and the three password wheels 123 are arranged on the outside of the lock core rod 121; the lock core assembly 12 is the content of the prior art, in the locked state, the lock core rod 121 cannot move axially, and in the unlocked state, the lock core rod 121 can overcome the elastic force of the lock core spring 122 and move axially; the lock housing 11 is also provided with a spring piece 124, and the spring piece 124 is pressed on the password wheel 123 by the elastic force of the material, so that there is a certain damping feeling in the process of turning the password wheel 123;
[0025] like Figure 4 , Figure 5 As shown, the lock base 2 includes a lock base housing 21, and an opening b is formed on one side of the lock base housing 21. When the box door is closed, the clamping head 111 of the lock housing 11 can enter the opening b. A self-locking component and an unlocking component are arranged in the lock base housing 21. The self-locking component includes two lock tongues 22 and two lock tongue springs 23. The lock tongue springs 23 keep the lock tongue 22 moving toward the opening b to lock the clamping head 111. The unlocking component includes two unlocking buttons 24 and two button return springs 25. The button return springs 25 make the unlocking button 24 partially extend out of the lock base housing 21. The unlocking button 24 and the lock tongue 22 are linked by inclined extrusion, that is, when the unlocking button 24 is pressed, the lock tongue 22 can be forced to move away from the opening b position, so that the lock tongue 22 releases the clamping head 111.
[0026] like Figure 5 , Figure 6As shown, a slider 26 and a rotatable shift fork 27 are further provided in the lock housing 21. A guide structure is formed between the lower housing portion of the lock housing 21 and the slider 26, so that the slider 26 slides linearly along the direction of the channel a. The shift fork 27 forms a transmission between the slider 26 and the unlocking button 24, so that the slider 26 and the lock core rod 121 are in a close contact state; more specifically, a column head 261 is formed on one side of the slider 26, and the column head 261 extends into the channel a and is in close contact with the lock core rod 121;
[0027] Combined with 5. Figure 7 The unlock button 24 has an integrally formed first inclined surface 241 , and the lock tongue 22 has an integrally formed second inclined surface 221 . The first inclined surface 241 and the second inclined surface 221 form a linked inclined surface extrusion structure.
[0028] When the lock core assembly is in the locked state, the lock core rod cannot move axially, and no one can open the door; when the lock core assembly is in the unlocked state, it is necessary to press the unlock button to separate the lock tongue and the card head before the door can be opened, which meets the actual usage needs of the product.
[0029] In order to facilitate the understanding of the present invention, the following description is given in conjunction with the accompanying drawings during specific use;
[0030] When the lock core assembly 12 is in the locked state, the lock core rod 121 cannot move axially, that is, under the action of the lock core spring 122, Figure 6 The lock core rod 121 is at the leftmost position, and the slider 26 is at the leftmost position. At this time, the unlock button 24 cannot be pressed because the lock core rod 121 restricts the movement of the unlock button 24 through the slider 26 and the shift fork 27;
[0031] By rotating the code wheel 123 to unlock the lock core assembly 12, the lock core rod 121 can move axially, that is, Figure 6 The lock core rod 121 can move to the right side. At this time, the unlocking button 24 can be pressed. When the unlocking button 24 is pressed, the second inclined surface 221 is squeezed by the first inclined surface 241, so that the two lock tongues 22 move away from each other to release the clamping head 111. In this way, when the box door moves, the lock seat 2 on the box door is separated from the lock 1 of the box body.
[0032] The touch lock has a password lock function and a self-locking function. When the lock core assembly is locked, the door cannot be opened without unlocking it. After the lock core assembly is unlocked, the door can only be opened by pressing the unlock button, thereby preventing young children from opening the door by mistake.
[0033] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A latch structure, characterized in that: It comprises a lock seat (2) and a lock (1), wherein the lock (1) is fixed on a box body, and the lock seat (2) is fixed on one side of a box door and moves with the box door to approach or move away from the lock (1); The lock (1) comprises a lock housing (11) and a lock core assembly (12) built into the lock housing (11); a clamping head (111) is formed on one side of the lock housing (11); a channel (a) is formed in the middle of the clamping head (111); the channel (a) allows a lock core rod (121) of the lock core assembly (12) to move axially inside the channel; The lock base (2) comprises a lock base housing (21), one side of which is formed with an opening (b), and when the door is closed, the clamping head (111) can enter the opening (b), and the lock base housing (21) is provided with a self-locking component and an unlocking component, and the self-locking component comprises a lock tongue (22) and a lock tongue spring (23), and the lock tongue spring (23) enables the lock tongue (22) to maintain a tendency to move toward the opening (b) for locking the clamping head (111) ), the unlocking assembly comprises an unlocking button (24) and a button return spring (25), the button return spring (25) causes the unlocking button (24) to partially extend out of the lock base housing (21), and the unlocking button (24) and the lock tongue (22) are linked by inclined surface extrusion, that is, when the unlocking button (24) is pressed, the lock tongue (22) can be forced to move away from the opening (b) position, so that the lock tongue (22) releases the clamping head (111); A slider (26) and a rotatable shift fork (27) are also provided in the lock base housing (21); the shift fork (27) forms a transmission between the slider (26) and the unlocking button (24), so that the slider (26) and the lock core rod (121) are in a close contact state.
2. A latch structure according to claim 1, characterized in that: A column head (261) is formed on one side of the slider (26), and the column head (261) extends into the channel (a) and is tightly attached to the lock core rod (121).
3. A latch structure according to claim 1, characterized in that: The lock core assembly (12) further comprises a lock core spring (122) and a code wheel (123). There are three code wheels (123), and the three code wheels (123) are arranged outside the lock core rod (121).
4. A latch structure according to claim 3, characterized in that: The lock housing (11) is also provided with a spring sheet (124), and the spring sheet (124) is pressed onto the code wheel (123) by the elastic force of the material.
5. A latch structure according to claim 1, characterized in that: The unlocking button (24) has an integrally formed first inclined surface (241), and the locking tongue (22) has an integrally formed second inclined surface (221), and the first inclined surface (241) and the second inclined surface (221) form a linked inclined surface extrusion structure.