Buckle type door lock capable of being disassembled and assembled quickly

Abstract

According to the technical scheme, the buckle type door lock capable of being rapidly disassembled and assembled comprises a base and a rapid disassembling button connected to the side wall of the base in a clamped mode, the rapid disassembling button comprises a pressing main plate, a guide block is arranged on the inner side of the pressing main plate, and a clamping hook protruding outwards is arranged at the lower end of the pressing main plate. The side wall of the base is provided with a guide groove matched with the guide block, the pressing main board is clamped in the guide groove of the base through the guide block, the guide block moves up and down in the guide groove, the lower end of the base is provided with a fixing lock piece protruding downwards, the fixing lock piece is matched with a mounting hole of the mounting panel, and the top of the outer end of the fixing lock piece is provided with a groove. The groove is matched with the lower part of the pressing main plate and the clamping hook; a spring is arranged on the base and abuts against the position between the base and the guide block. Through cooperation of the pressing main plate, the spring, the clamping hook and the groove, buckle type quick disassembly and assembly of the door lock are achieved, operation is easy, and the structure is stable.

Description

Technical Field

[0001] The utility model belongs to the technical field of electrical equipment door locks, and particularly relates to a snap-type quick-disassembly and quick-assembly door lock. Background Art

[0002] At present, the door locks of electrical equipment are usually fixed on the panel of electrical equipment by self-tapping screws to ensure the stable installation of the door locks. However, with the extension of the service time of electrical equipment, problems such as screw rusting and panel hole corrosion are likely to occur, resulting in unstable fixation of the door lock, affecting the appearance, etc. Moreover, the installation of the door lock is time-consuming and laborious. When the door lock needs to be replaced or maintained, the door lock needs to be disassembled and reinstalled, resulting in damage to the door lock and reduced installation strength.

[0003] At present, there are already door locks that do not use self-tapping screws for installation. Patent CN 212477172U discloses a door lock for electrical equipment, which can be snapped into the installation hole on the panel of the electrical equipment. It includes: an upper housing; a door hook hole main body provided on the upper housing, and the door hook hole main body includes: a top; a first pair of side walls and a second pair of side walls; a first card edge and a second card edge respectively extending outward from the first pair of side walls, wherein a relief groove is formed on the first card edge; and a locking swing block, wherein the locking swing block is located below the relief groove and is configured to pivot between a relief position where it turns into the relief groove and a locking position where it turns out of the relief groove. When the locking swing block is in the relief position, the second card edge of the door hook hole main body is allowed to pivot through the installation hole on the panel and then return to the locking position to snap the door lock into the installation hole on the panel. However, when disassembling the door lock, a thin rod-shaped tool rod (such as a screwdriver) needs to be inserted obliquely into the interior of the door lock through the opening of the door hook hole main body, and an external force needs to be applied through the tool rod to complete the disassembly of the door lock, and the operation is troublesome. Therefore, it is necessary to develop a door lock with a simple operation, easy to install and disassemble, and without screw installation. Summary of the Utility Model

[0004] In order to solve the existing technical problems, the utility model provides a snap-type quick-disassembly and quick-assembly door lock, which realizes the snap-type quick-disassembly and quick-assembly of the door lock through the cooperation of a pressing main board, a spring, a hook and a groove, has a simple operation and a stable structure.

[0005] The technical solution of the present utility model is: a snap - type quick - disassembly door lock, including a base and a quick - disassembly button clamped on the side wall of the base. The quick - disassembly button includes a pressing main board. A guiding block is arranged on the inner side of the pressing main board, and a hook protruding outward is arranged at the lower end of the pressing main board. A guiding groove adapted to the guiding block is arranged on the side wall of the base. The pressing main board is clamped in the guiding groove of the base through the guiding block, and the guiding block moves up and down in the guiding groove. A fixing lock part protruding downward is arranged at the lower end of the base, and the fixing lock part is adapted to the mounting hole of the mounting panel. A groove is arranged at the top of the outer end of the fixing lock part, and the groove is adapted to the lower part of the pressing main board and the hook. A spring is arranged on the base, and the spring is pressed tightly between the base and the guiding block.

[0006] Further, the lower part of the pressing main board and the lower part of the hook are arranged in the groove.

[0007] Further, reinforcing ribs are arranged on the outer side of the pressing main board.

[0008] Further, there are 3 guiding blocks in total, which are evenly distributed on the pressing main board. A guiding column is arranged at the lower end of the middle guiding block. An activity cavity is arranged on the base, the guiding column is arranged in the activity cavity, the spring is installed in the activity cavity, the upper end of the spring is installed on the guiding column, and the lower end of the spring is connected to the bottom end of the activity cavity.

[0009] Further, the guiding groove includes an annular guiding groove and a strip - shaped guiding groove. An opening extending in the up - down direction is arranged on the outer side of the annular guiding groove. The guiding block corresponding to the annular guiding groove is a T - shaped guiding block. The outer end width of the T - shaped guiding block is greater than the inner end width. The outer end of the T - shaped guiding block is arranged in the annular guiding groove, and the inner end of the T - shaped guiding block extends from the opening to the outside of the annular guiding groove to the pressing main board. The length of the T - shaped guiding block is less than the length of the annular guiding groove. The guiding block corresponding to the strip - shaped guiding groove is a long - strip guiding block. The length of the long - strip guiding block is less than the length of the strip - shaped guiding groove, and the T - shaped guiding blocks are arranged on both sides of the long - strip guiding block.

[0010] Further, the upper part of the T - shaped guiding block extends outward so that the upper end of the T - shaped guiding block is clamped at the upper end of the annular guiding groove, and the lower end of the long - strip guiding block extends outward so that the lower end of the long - strip guiding block is clamped at the upper end of the activity cavity.

[0011] Further, there are 2 hooks in total, and the outer end face of the hook is a plane structure.

[0012] Further, a convex edge is arranged at one end of the fixing lock part opposite to the groove, and the groove and the convex edge are clamped on the mounting hole of the mounting panel.

[0013] Further, a cam seat is clamped above the front part of the base, and an upper cover is clamped above the rear part of the base. The quick - disassembly button is installed on the front side of the cam seat.

[0014] With the above technical solution, the beneficial effects achieved by the present utility model are as follows:

[0015] (1) Through the cooperation of the pressing main board, spring, hook and groove in the present utility model, when pressing down the pressing main board, the pressing main board drives the hook to move downward, creating a gap between the pressing main board and the mounting hole, which is beneficial to the installation of the door lock. When releasing the pressing main board, under the action of the spring, the hook resets, and the base and the hook are tightly pressed in the mounting hole; and when disassembling the door lock, only need to press the pressing main board to complete the disassembly of the door lock, without the need for additional tools for auxiliary disassembly, with simple operation and a stable installation structure.

[0016] (2) The quick disassembly and assembly of the door lock are carried out through a snap-fit structure, without the need for screw fixation, reducing the process steps and lowering the labor cost. Description of the Drawings

[0017] Figure 1 is a schematic structural diagram of the present utility model;

[0018] Figure 2 is a schematic outer structure diagram of the quick-release button of the present utility model;

[0019] Figure 3 is a schematic inner structure diagram of the quick-release button of the present utility model;

[0020] Figure 4 is a schematic structural diagram of the base of the present utility model;

[0021] Figure 5 is a schematic structural diagram of the present utility model in the state where the fixed lock is installed in the mounting hole and the pressing main board is not released;

[0022] Figure 6 is a schematic structural diagram of the present utility model in the state where the fixed lock is installed in the mounting hole and the pressing main board is released.

[0023] In the figure, 1, base; 2, quick-release button; 3, pressing main board; 4, guide block; 5, hook; 6, guide groove; 7, fixed lock; 8, mounting panel; 9, groove; 10, reinforcing rib; 11, guide post; 12, movable cavity; 13, annular guide groove; 14, strip-shaped guide groove; 15, T-shaped guide block; 16, long strip-shaped guide block; 17, convex edge; 18, cam seat; 19, upper cover; 20, spring. Detailed Embodiment

[0024] The present utility model will be further described in detail below in conjunction with the drawings and specific embodiments.

[0025] Embodiment 1

[0026] Refer to Figure 1-6Among them, a snap-type quick-disassembly door lock includes a base 1 and a quick-release button 2 clamped on the side wall of the base 1. The quick-release button 2 includes a pressing main board 3. A guide block 4 is arranged on the inner side of the pressing main board 3, and a hook 5 protruding outward is arranged at the lower end of the pressing main board 3. A guide groove 6 adapted to the guide block 4 is arranged on the side wall of the base 1. The pressing main board 3 is clamped in the guide groove 6 of the base 1 through the guide block 4, and the guide block 4 moves up and down in the guide groove 6. A fixed lock 7 protruding downward is arranged at the lower end of the base 1, and the fixed lock 7 is adapted to the mounting hole of the mounting panel 8. A groove 9 is arranged at the top of the outer end of the fixed lock 7, and the groove 9 is adapted to the lower part of the pressing main board 3 and the hook 5; a spring 20 is arranged on the base 1, and the spring 20 abuts between the base 1 and the guide block 4.

[0027] When pressing the top of the pressing main board 3 downward, the pressing main board 3 drives the hook 5 to move downward, so that the hook 5 completely enters the groove 9. At this time, the spring 20 is in a compressed state. When the pressing main board 3 is released, under the action of the spring 20, the pressing main board 3 moves upward to return to its original position, driving the hook 5 to move upward. The guide block 4 moves along the guide groove 6 to limit the up and down movement of the pressing main board 3.

[0028] Furthermore, the lower part of the pressing main board 3 and the lower part of the hook 5 are arranged in the groove 9. When the door lock is installed, the upper part of the hook 5 is clamped in the mounting hole, and the lower part of the hook 5 remains in the groove 9, which is beneficial to the stability of the installation structure.

[0029] Furthermore, reinforcing ribs 10 are arranged on the outer side of the pressing main board 3. The structural strength of the pressing main board 3 is enhanced through the reinforcing ribs 10, so that when pressing the quick-release button 2, the structure of the quick-release button 2 is more stable.

[0030] Furthermore, there are 3 guide blocks 4 in total, which are evenly distributed on the pressing main board 3. A guide post 11 is arranged at the lower end of the middle guide block 4. An activity cavity 12 is arranged on the base 1. The guide post 11 is arranged in the activity cavity 12. The spring 20 is installed in the activity cavity 12. The upper end of the spring 20 is installed on the guide post 11, and the lower end of the spring 20 is connected to the bottom end of the activity cavity 12. The spring is limited by the guide post 11 and the activity cavity 12.

[0031] Further, the guiding groove 6 includes an annular guiding groove 13 and a strip-shaped guiding groove 14. An opening extending in the up-and-down direction is provided on the outer side of the annular guiding groove 13. The guiding block 4 corresponding to the annular guiding groove 13 is a T-shaped guiding block 15. The outer end width of the T-shaped guiding block 15 is greater than the inner end width. The outer end of the T-shaped guiding block 15 is arranged in the annular guiding groove 13. The inner end of the T-shaped guiding block 15 extends from the opening to the outside of the annular guiding groove 13 to the pressing main board 3. The length of the T-shaped guiding block 15 is less than the length of the annular guiding groove 13. The guiding block 4 corresponding to the strip-shaped guiding groove 14 is a long strip-shaped guiding block 16. The length of the long strip-shaped guiding block 16 is less than the length of the long strip-shaped guiding groove 14. The T-shaped guiding block 15 is arranged on both sides of the long strip-shaped guiding block 16.

[0032] Further, the upper part of the T-shaped guiding block 15 extends outwards so that the upper end of the T-shaped guiding block 15 is clamped at the upper end of the annular guiding groove 13. The lower end of the long strip-shaped guiding block 16 extends outwards so that the lower end of the long strip-shaped guiding block 16 is clamped at the upper end of the movable cavity 12. This not only realizes the limit of the moving position of the pressing main board 3, but also ensures that the quick-release button 2 is clamped on the base 1.

[0033] Further, there are 2 hooks 5 in total, and the outer end face of the hook 5 is a flat structure. It is beneficial to be clamped in the mounting hole of the mounting panel 8.

[0034] Further, a convex edge 17 is provided at one end of the fixing lock 7 opposite to the groove 9. The groove 9 and the convex edge 17 are clamped on the mounting hole of the mounting panel 8. It is beneficial to clamp the fixing lock 7 in the mounting hole of the mounting panel 8.

[0035] Further, a cam seat 18 is clamped above the front part of the base 1, and an upper cover 19 is clamped above the rear part of the base 1. The quick-release button 2 is installed on the front side of the cam seat 18. It is convenient for the operator to press the quick-release button 2.

[0036] The other structures and connection relationships of the door lock in Embodiment 1 are the same as those of the door lock in the patent CN214170227U already disclosed by the applicant.

[0037] When installing a snap - type quick - disassembly door lock of the present utility model, when it is necessary to install the door lock in the installation hole of the installation panel 8, the operator presses down on the top of the pressing main board 3, so that the guiding block 4 moves downward along the guiding groove 6, thereby driving the pressing main board 3 to move downward. At this time, the hook 5 completely enters the groove 9, and the spring 20 is in a compressed state. At the same time, the fixed lock part 7 is inserted downward in the direction of the installation hole of the installation panel 8. First, the groove 9 is inserted into the installation hole, then the junction of the pressing main board 3 and the groove 9 is closely attached to the right edge of the installation hole, and then the other part of the fixed lock part 7 is rotated downward around the right edge of the installation hole to completely snap the fixed lock part 7 into the installation hole. At this time, the pressing main board 3 of the door lock is closely attached to the right edge of the installation hole, and there is a gap between the left side of the fixed lock part 7 and the installation hole. Then the door lock is moved to the left until it is closely attached to the left edge of the installation hole, so that the fixed lock part 7 is clamped on the left edge of the installation hole. At this time, there is a gap between the pressing main board 3 and the right edge of the installation hole. Finally, the pressing main board 3 is released. Under the action of the spring 20, the pressing main board 3 drives the hook 5 to move upward, so that the upper part of the hook 5 moves to the upper side of the groove 9, and the lower part of the hook 5 is still in the groove 9, so that the outer end face of the hook 5 abuts tightly against the right edge of the installation hole, realizing that the door lock is clamped in the installation hole of the installation panel 8 and completing the installation of the door lock.

[0038] When it is necessary to disassemble the door lock from the installation panel 8, first press down on the pressing main board 3. The pressing main board 3 drives the hook 5 to move downward, so that the hook 5 completely enters the groove 9. At this time, there is a gap between the pressing main board 3 and the right edge of the installation hole. Then the whole door lock is moved to the right until the pressing main board 3 is closely attached to the right edge of the installation hole. At this time, there is a gap between the fixed lock part 7 and the left edge of the installation hole. The door lock is rotated upward around the right edge of the installation hole, so that the left part of the fixed lock part 7 is pulled out of the installation hole, and then the right part of the fixed lock part 7 is pulled out of the installation hole to complete the disassembly of the door lock.

Claims

1. A snap - type quick - disassembling door lock, characterized in that: It includes a base (1) and a quick-release button (2) clamped on the side wall of the base (1). The quick-release button (2) includes a pressing main board (3). A guiding block (4) is arranged on the inner side of the pressing main board (3). A hook (5) protruding outwards is arranged at the lower end of the pressing main board (3). A guiding groove (6) adapted to the guiding block (4) is arranged on the side wall of the base (1). The pressing main board (3) is clamped in the guiding groove (6) of the base (1) through the guiding block (4). The guiding block (4) moves up and down in the guiding groove (6). A fixing lock (7) protruding downwards is arranged at the lower end of the base (1). The fixing lock (7) is adapted to the mounting hole of the mounting panel (8). A groove (9) is arranged at the top of the outer end of the fixing lock (7). The groove (9) is adapted to the lower part of the pressing main board (3) and the hook (5). A spring (20) is arranged on the base (1). The spring (20) is pressed tightly between the base (1) and the guiding block (4).

2. The snap-type quick-disassembly door lock according to claim 1, characterized in that: The lower part of the pressing main board (3) and the lower part of the hook (5) are arranged in the groove (9).

3. The snap - type quick - disassembly door lock according to claim 1 or 2, characterized in that: Reinforcing ribs (10) are arranged on the outer side of the pressing main board (3).

4. The snap-type quick-disassembly door lock according to claim 1, characterized in that: There are 3 guiding blocks (4) in total, which are evenly distributed on the pressing main board (3). A guiding column (11) is arranged at the lower end of the middle guiding block (4). An activity cavity (12) is arranged on the base (1). The guiding column (11) is arranged in the activity cavity (12). The spring (20) is installed in the activity cavity (12). The upper end of the spring (20) is installed on the guiding column (11). The lower end of the spring (20) is connected to the bottom end of the activity cavity (12).

5. A snap-type quick-disassembly door lock according to claim 1, characterized in that: The guiding groove (6) includes an annular guiding groove (13) and a strip-shaped guiding groove (14). An opening extending in the up and down direction is arranged on the outer side of the annular guiding groove (13). The guiding block (4) corresponding to the annular guiding groove (13) is a T-shaped guiding block (15). The outer end width of the T-shaped guiding block (15) is greater than the inner end width. The outer end of the T-shaped guiding block (15) is arranged in the annular guiding groove (13). The inner end of the T-shaped guiding block (15) extends from the opening to the outside of the annular guiding groove (13) to the pressing main board (3). The length of the T-shaped guiding block (15) is less than the length of the annular guiding groove (13). The guiding block (4) corresponding to the strip-shaped guiding groove (14) is a long strip-shaped guiding block (16). The length of the long strip-shaped guiding block (16) is less than the length of the strip-shaped guiding groove (14). The T-shaped guiding block (15) is arranged on both sides of the long strip-shaped guiding block (16).

6. The snap - type quick - disassembly door lock according to claim 5, wherein: The upper part of the T-shaped guiding block (15) extends outwards, so that the upper end of the T-shaped guiding block (15) is clamped at the upper end of the annular guiding groove (13). The lower end of the long strip-shaped guiding block (16) extends outwards, so that the lower end of the long strip-shaped guiding block (16) is clamped at the upper end of the activity cavity (12).

7. The snap - type quick - disassembly door lock according to claim 1, wherein: There are 2 hooks (5) in total. The outer end face of the hook (5) is a plane structure.

8. The snap-type quick-disassembly door lock according to claim 1, wherein: A convex edge (17) is arranged at one end of the fixing lock (7) opposite to the groove (9). The groove (9) and the convex edge (17) are clamped on the mounting hole of the mounting panel (8).

9. The snap-type quick-disassembly door lock according to claim 1, characterized in that: A cam base (18) is snap-connected above the front part of the base (1), and an upper cover (19) is snap-connected above the rear part of the base (1). A quick-release button (2) is installed on the front side of the cam base (18).

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