Anti-jamming integrated door lock

By designing a simple structure, the door lock with anti-stuttering is ensured by using the limit plate and return spring to ensure the stability of the limit plate and rotary handle, the problem of easy lag and failure of traditional door locks is solved, and the door lock is improved Reliability and user experience.

CN222314841UActive Publication Date: 2025-01-07WENZHOU DOORCARE HARDWARE CO LTD
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Patent Information

Application Number
CN202420578801.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-23
Publication Date
2025-01-07
Estimated Expiration
2034-03-23

AI Technical Summary

Technical Problem

Traditional door locks have complex structures and are prone to lags and failures, affecting user trust and home safety.

Method used

A simple structure anti-stuttering integrated door lock is designed, including installation panel, lock core, lock body, rotary handle, limit plate and reset device. By directly forming the mechanism locking relationship between the lock body and the rotary handle, limit position is used. The plate and return spring ensure the position of the limit disk and the stability of the rotary handle to reduce the occurrence of faults.

Benefits of technology

The direct locking relationship between the lock body and the rotating handle is realized, the structure is simplified, the possibility of failure is reduced, and the reliability and user experience of the door lock are improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of door locks, in particular to an anti-jamming integrated door lock. Comprising a mounting panel; the lock cylinder is mounted on the mounting panel, and the lock cylinder comprises a shifting piece; the lock body is slidably arranged on the mounting panel, the upper end of the lock body is propped against the shifting piece, and a spring bolt is arranged at the lower end of the lock body; the rotating handle is rotationally arranged on the mounting panel; the square rod is arranged on the rotating handle and rotates together with the rotating handle; a locking groove is formed in the limiting disc, and the limiting disc is arranged on the square rod in a sleeving mode; the reset device is arranged in the lock groove; the first reset spring is used for enabling the limiting disc to return to the initial position; wherein the shifting piece is rotated to enable the lock body to move downwards, and at the moment, the spring bolt is inserted into the lock groove; according to the utility model, the lock body and the rotary handle directly form a mechanism locking relationship, so that the whole forms a group of structures, the structure is simpler, and faults are not easy to occur.
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Description

Technical Field

[0001] The utility model relates to the field of door locks, in particular to an anti-stuck integrated door lock. Background Art

[0002] Door locks are an important part of home security. In daily use, problems such as jamming and failure often occur, causing trouble to users. Therefore, developing an anti-jamming integrated door lock technology with a simple structure and less prone to failure is crucial to improving the reliability of door locks and user experience.

[0003] Traditional door locks often have complex structures and are prone to jamming and failure. These problems not only affect users' trust in door locks, but may also cause door locks to fail to work properly, further affecting home safety. Therefore, there is a need for an anti-jamming integrated door lock technology with a simpler structure and less prone to failure.

[0004] Therefore, there is an urgent need to provide an improved technical solution to solve the above technical problems. Utility Model Content

[0005] The purpose of the utility model is to provide a technical effect of an anti-stuck integrated door lock with a simple structure and not prone to jamming in response to the above-mentioned technical problems.

[0006] In view of this, the utility model provides an anti-stuck integrated door lock, characterized in that it includes:

[0007] Install the panels;

[0008] A lock core, the lock core is mounted on the mounting panel, and the lock core includes a paddle;

[0009] A lock body is slidably arranged on the mounting panel, and the upper end of the lock body is abutted by the paddle, and the lower end is provided with a lock tongue;

[0010] A rotating handle, the rotating handle is rotatably arranged on the mounting panel;

[0011] A square rod, which is arranged on the rotating handle and rotates together with the rotating handle;

[0012] A limit plate, the limit plate is provided with a locking groove, and the limit plate is sleeved on the square rod;

[0013] A reset device, the reset device is arranged in the lock slot;

[0014] A first return spring, the first return spring is used to restore the limit plate to an initial position;

[0015] The paddle is rotated to move the lock body downward, and the lock tongue is inserted into the lock slot.

[0016] Furthermore, it also includes:

[0017] A first limiting portion, which is arranged on the mounting panel and limits the counterclockwise rotation of the limiting disk to a certain position. When the limiting disk abuts against the first limiting portion, the lock tongue can be inserted into the lock slot;

[0018] The second limiting part is arranged on the mounting panel, and the first limiting part limits the clockwise rotation of the limiting disk to a certain position.

[0019] Furthermore, the limiting plate includes:

[0020] A first limiting plate, the first limiting plate is circular, and an opening with a specific angle is provided on the edge, and the second limiting portion is arranged in the opening, and a fixing rod is also provided on the first limiting plate;

[0021] A second limiting plate, the second limiting plate having a straight edge, the straight edge abutting against the first limiting portion;

[0022] The third limiting plate is fixed to the first limiting plate, and the second limiting plate is arranged between the first limiting plate and the third limiting plate.

[0023] Further, the resetting device comprises:

[0024] A top block, which is slidably arranged in the locking groove;

[0025] The second return spring is arranged between the top block and the limiting plate.

[0026] Furthermore, the cross section of the top block is in a cross shape.

[0027] Furthermore, the first limiting plate, the second limiting plate and the third limiting plate may form a locking groove for the resetting device to slide.

[0028] Furthermore, a spare mounting hole is provided on the limiting plate, and the spare mounting hole is used to install one end of the first return spring.

[0029] Furthermore, it also includes:

[0030] A sliding groove is formed on the mounting panel, and the lock body is cooperatively arranged in the sliding groove;

[0031] A rolling ball is arranged between the lock body and the mounting panel, and a resisting spring is arranged between the rolling ball and the mounting panel.

[0032] The beneficial effects of the utility model are:

[0033] 1. The utility model enables the lock body and the rotating handle to directly form a mechanical locking relationship, so that the whole forms a set of structures, which is simpler and less prone to failure.

[0034] 2. The second limit part of the utility model is directly connected to the installation panel through threads. When the rotating handle is turned, the limit plate rotates to a certain position and one end surface thereof contacts the second limit part to prevent the rotating handle from rotating too much and damaging the structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0036] Figure 2 It is a three-dimensional structural schematic diagram of the hidden part structure of the utility model;

[0037] Figure 3 for Figure 2 Schematic diagram of the structure of area A in the middle.

[0038] The symbols in the figure are:

[0039] 1. Installation panel; 2. Lock core; 3. Paddle; 4. Lock body; 5. Lock tongue; 6. Rotating handle; 7. Square rod; 8. Limiting plate; 9. Lock slot; 10. Reset device; 11. First reset spring; 12. First limiting part; 13. Second limiting part; 14. First limiting plate; 15. Opening; 16. Fixed rod; 17. Second limiting plate; 18. Straight edge; 19. Third limiting plate; 20. Top block; 21. Second reset spring; 22. Spare installation hole; 23. Sliding groove; 24. Rolling ball; 25. Resistance spring. Specific embodiments

[0040] The following will be combined with the drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application belong to the scope of protection of this application.

[0041] Embodiment 1:

[0042] This embodiment provides an anti-stuck integrated door lock, which is characterized by comprising:

[0043] Install panel 1;

[0044] A lock core 2, which is mounted on the mounting panel 1 and includes a paddle 3;

[0045] A lock body 4 is slidably disposed on the mounting panel 1, and the upper end of the lock body 4 is abutted by the paddle 3, and the lower end of the lock body 4 is provided with a lock tongue 5;

[0046] A rotating handle 6, the rotating handle 6 is rotatably arranged on the mounting panel 1;

[0047] A square rod 7, which is disposed on the rotating handle 6 and rotates together with the rotating handle 6;

[0048] A limit plate 8, on which a locking groove 9 is provided, and the limit plate 8 is sleeved on the square rod 7;

[0049] A reset device 10, the reset device 10 is arranged in the lock slot 9;

[0050] A first return spring 11, the first return spring 11 is used to restore the limit plate 8 to an initial position;

[0051] The paddle 3 is rotated to move the lock body 4 downward, and at this time the lock tongue 5 is inserted into the lock groove 9 .

[0052] The installation panel 1 is the installation body of each component. The installation panel 1 is provided with an installation hole for installing the rotating handle 6 of the door. The lock core 2 is the existing technology. The lock core 2 is provided with a paddle 3. When the lock core 2 is rotated by the key, the paddle 3 rotates with it. The inner end surface of the installation panel 1 is provided with a sliding groove 23 for installing the lock body 4. The sliding groove 23 is provided by a detachable mechanism (such as Figure 1 ) forms a chamber structure, the square lock body 4 slides up and down in the sliding groove 23, and the lower end of the lock body 4 is provided with a lock tongue 5; when the paddle 3 rotates, it contacts the upper end surface of the lock body 4, so that the lock body 4 moves downward; a square rod 7 is installed on the rotating end of the rotating handle 6; a square hole is provided in the limit plate 8, and the limit plate 8 is sleeved on the square rod 7, so that the limit plate 8 can rotate together with the square rod 7, and a lock groove 9 is provided on the upper side of the limit plate 8, and it is opposite to the lock tongue 5 when not rotating. When the lock tongue 5 moves downward, it is inserted into the lock groove 9, and the limit plate 8 cannot rotate at this time. The locking of the rotating handle 6 is realized; the reset device 10, the reset device 10 is composed of a top block 20 and a spring, the spring is at the lower end of the top block 20, when the lock body 4 is not subjected to force, the spring lifts the top block 20, and the top block 20 makes the lock tongue 5 escape from the lock groove 9; one end of the first reset spring 11 is fixed to a rod set on the mounting panel 1, which can be a sleeve, and the other end is hook-shaped, which is hooked on the edge of the limit plate 8. When the limit plate 8 is rotated, the first reset spring 11 is stretched, and then the limit plate 8 is restored to its original position through the contraction force of the first reset spring 11.

[0053] The usual structure is that the functions of rotating and locking the door are two different structures. The above structure described in this embodiment enables the lock body 4 and the rotating handle 6 to directly form a mechanical locking relationship, so that the whole forms a set of structures, which is simpler and less prone to failure.

[0054] Embodiment 2:

[0055] This embodiment provides an anti-stuck integrated door lock, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0056] Also includes:

[0057] A first limiting portion 12, which is disposed on the mounting panel 1, and limits the counterclockwise rotation of the limiting plate 8 to a certain position. When the limiting plate 8 abuts against the first limiting portion 12, the locking tongue 5 can be inserted into the locking groove 9;

[0058] The second limiting portion 13 is arranged on the mounting panel 1 , and the first limiting portion 12 limits the clockwise rotation of the limiting plate 8 to a certain position.

[0059] The first limiting portion 12 is fixed to the mounting panel 1 by screws. Figure 1 As shown, the first limit portion 12 is arranged on the left side of the limit plate 8. When the rotating handle 6 is horizontal, a plane on the limit plate 8 abuts against the first limit portion 12. At this time, the first limit portion 12 limits the counterclockwise rotation of the limit plate 8, and the lock tongue 5 is opposite to the lock slot 9, and the locking action can be performed to prevent the first return spring 11 from pulling the limit plate 8 too much, and the lock tongue 5 cannot be correctly inserted into the lock slot 9.

[0060] The second limiting portion 13 is directly connected to the mounting panel 1 through threads. When the rotating handle 6 is turned, the limiting plate 8 rotates to a certain position and one end surface thereof contacts the second limiting portion 13 to prevent the rotating handle 6 from rotating too much and damaging the structure.

[0061] The limiting plate 8 comprises:

[0062] A first limiting plate 14 is circular, and an opening 15 with a specific angle is provided on the edge of the first limiting plate 14, and the second limiting portion 13 is arranged in the opening 15. A fixing rod 16 is also provided on the first limiting plate 14;

[0063] A second limiting plate 17, the second limiting plate 17 has a straight edge 18, and the straight edge 18 abuts against the first limiting portion 12;

[0064] The third limiting plate 19 is fixed to the first limiting plate 14 , and the second limiting plate 17 is disposed between the first limiting plate 14 and the third limiting plate 19 .

[0065] The limit plate 8 is divided into three layers, and the first limit plate 14 is closest to the mounting panel 1. The first limit plate 14 is circular as a whole, and an opening 15 with a fixed angle is provided on the right side of the circle. The angle of the opening 15 is set according to the position of the second limit portion 13. When the rotating handle 6 is rotated clockwise to a certain angle, the end face of one side of the opening 15 abuts against the second limit portion 13, and when restoring the original position, the length of the opening 15 needs not to affect the restoration position of the limit plate 8. A second limiting plate 17 is provided in a layer in the middle of the limiting plate 8, and a straight edge 18 is formed on the left side of the second limiting plate 17. When the limiting plate 8 is in the initial position, the straight edge 18 abuts against the first limiting portion 12; a third limiting plate 19 is provided on the outermost side, and the third limiting plate 19 and the first limiting plate 14 clamp the second limiting plate 17, and the third limiting plate 19 is fixed on the fixing rod 16, and the second limiting plate 17 is passed through the fixing rod 16. The fixing rod 16 is provided with several fixing rods for installing the second limiting plate 17 and the third limiting plate 19, dividing the limiting plate 8 into various parts. Since a part of the limiting plate 8 collides with the first or second limiting portion 13, it will cause material deformation. Therefore, the parts that need to collide are separated and arranged. When damaged, they can be partially replaced to reduce maintenance costs.

[0066] The resetting device 10 comprises:

[0067] A top block 20, the top block 20 is slidably disposed in the locking slot 9;

[0068] The second return spring 21 is arranged between the top block 20 and the limiting plate 8 .

[0069] The top block 20 is arranged in the lock slot 9 and can slide up and down in the lock slot 9. A second return spring 21 is provided below the top block 20. When the lock body 4 is released (unlocked), the second return spring 21 pushes out the top block 20, and the top block 20 pushes the lock tongue 5 out of the lock slot 9.

[0070] Embodiment 3:

[0071] This embodiment provides an anti-stuck integrated door lock, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0072] The cross section of the top block 20 is in the shape of a cross.

[0073] The cross section of the top block 20 is in a cross shape, and the embedded lock groove 9 is also in a cross shape, which can make the top block 20 more linear when sliding up and down, and the sliding is more stable.

[0074] The first limiting plate 14 , the second limiting plate 17 and the third limiting plate 19 may form a locking groove 9 for the resetting device 10 to slide.

[0075] The locking groove 9 is formed by the first limiting plate 14 , the second limiting plate 17 and the third limiting plate 19 , which makes it more convenient to install and disassemble the reset device 10 .

[0076] A spare mounting hole 22 is provided on the limiting plate 8 , and the spare mounting hole 22 is used to mount one end of the first return spring 11 .

[0077] A spare mounting hole 22 is also provided on the limit plate 8. When the elasticity of the first return spring 11 becomes poor and is insufficient to restore the limit plate 8 to its original position, one end of the first return spring 11 is installed on the spare mounting hole 22 on the limit plate 8 to increase the stretching length of the first return spring 11 to increase the contraction force.

[0078] Also includes:

[0079] A sliding groove 23, the sliding groove 23 is formed on the mounting panel 1, and the lock body 4 is cooperatively arranged in the sliding groove 23;

[0080] The rolling ball 24 is disposed between the lock body 4 and the mounting panel 1 , and a resisting spring 25 is disposed between the rolling ball 24 and the mounting panel 1 .

[0081] A sliding groove 23 is formed on the mounting panel 1, and the lock body 4 is embedded in the sliding groove 23 and can slide up and down. A chamber for installing a rolling ball 24 is provided between the lock body 4 and the mounting panel 1, and a resistance spring 25 is provided between the mounting panel 1 and the rolling ball 24. The resistance spring 25 forces the rolling ball 24 to resist the lock body 4. The resistance spring 25 reduces the friction between the lock body 4 and the mounting panel 1, reduces wear, and thus extends the service life of the lock.

[0082] The embodiments of the present application are described above in conjunction with the accompanying drawings. In the absence of conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application is not limited to the above-mentioned specific embodiments. The above-mentioned specific embodiments are merely illustrative and not restrictive. Under the inspiration of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which belong to the protection scope of the present application.

Claims

1. An anti-stuck integrated door lock, characterized in that: include: Installing the panel (1); A lock core (2), the lock core (2) being mounted on the mounting panel (1), and the lock core (2) comprising a paddle (3); A lock body (4), the lock body (4) is slidably arranged on the mounting panel (1), the upper end of the lock body (4) is abutted by the paddle (3), and the lower end is provided with a lock tongue (5); A rotating handle (6), the rotating handle (6) being rotatably disposed on the mounting panel (1); A square rod (7), the square rod (7) being arranged on the rotating handle (6) and rotating together with the rotating handle (6); A limit plate (8), wherein a locking groove (9) is provided on the limit plate (8), and the limit plate (8) is sleeved on the square rod (7); A reset device (10), the reset device (10) is arranged in the lock slot (9); A first return spring (11), the first return spring (11) is used to restore the limit plate (8) to an initial position; The paddle (3) is rotated to move the lock body (4) downward, and at this time the lock tongue (5) is inserted into the lock groove (9).

2. The anti-stuck integrated door lock according to claim 1, characterized in that: Also includes: A first limiting portion (12), the first limiting portion (12) being arranged on the mounting panel (1), the first limiting portion (12) limiting the counterclockwise rotation of the limiting disk (8) to a certain position, and when the limiting disk (8) abuts against the first limiting portion (12), the locking tongue (5) can be inserted into the locking groove (9); A second limiting portion (13), the second limiting portion (13) is arranged on the mounting panel (1), and the first limiting portion (12) limits the clockwise rotation of the limiting plate (8) to a certain position.

3. The anti-stuck integrated door lock according to claim 1, characterized in that: The resetting device (10) comprises: A top block (20), the top block (20) is slidably arranged in the locking groove (9); A second return spring (21), the second return spring (21) is arranged between the top block (20) and the limiting plate (8).

4. The anti-stuck integrated door lock according to claim 3, characterized in that: The cross section of the top block (20) is in a cross shape.

5. The anti-stuck integrated door lock according to claim 4, characterized in that: The first limiting plate (14), the second limiting plate (17) and the third limiting plate (19) can form a locking groove (9) for the resetting device (10) to slide.

6. The anti-stuck integrated door lock according to claim 1, characterized in that: A spare mounting hole (22) is provided on the limiting plate (8), and the spare mounting hole (22) is used to mount one end of the first return spring (11).

7. The anti-stuck integrated door lock according to claim 1, characterized in that: Also includes: A sliding groove (23), the sliding groove (23) is formed on the mounting panel (1), and the lock body (4) is cooperatively arranged in the sliding groove (23); A rolling ball (24) is arranged between the lock body (4) and the mounting panel (1), and a resisting spring (25) is arranged between the rolling ball (24) and the mounting panel (1).