Intelligent electronic door lock clutch mechanism

Abstract

The utility model relates to an intelligent electronic door lock clutch mechanism which is characterized in that a clutch is rotationally arranged on a fixed plate, a clutch driving mechanism is mounted at the bottom of the clutch, a clutch block is arranged in an inner cavity of the clutch, a moving rod is connected to the front end of the clutch block, a lock cylinder transmission rod is connected to the left end of the moving rod, and the left end of the moving rod is connected with the lock cylinder transmission rod through an extrusion spring; a clutch pin rod is arranged in the clutch, an electric push rod is arranged above the clutch, a moving block is arranged at the bottom end of the electric push rod, a moving plate is arranged on a moving rod, and the bottom of the moving block is in contact with the top of the moving plate. The clutch cannot drive the lock cylinder transmission rod to rotate, the intelligent door lock has two modes that the clutch mechanism controls the lock cylinder to move, the working stability of the clutch mechanism is improved, and the reliability of the intelligent door lock is also improved.

Description

Technical Field

[0001] The utility model relates to a clutch mechanism for an intelligent electronic door lock, belonging to the technical field of intelligent door locks. Background Art

[0002] An intelligent lock is an actuating component for locking doors in an access control system. With the advent of the intelligent era, intelligent home appliances, especially intelligent door locks, are increasingly used in people's lives and in a wider range of fields. While ensuring people's property and personal safety, intelligent locks also meet the requirements of being user-friendly and intelligent.

[0003] The utility model with the application number 201721164506.1 provides a clutch mechanism for an intelligent door lock. This clutch mechanism for an intelligent door lock automatically resets the lock head through the cooperation of a support seat, a cylinder body, and a positioning plate, preventing the position of the lock head from shifting, and is more suitable for wide promotion. However, the existing clutch mechanisms for intelligent door locks are relatively simple. Due to the short service life of the torsion spring inside the clutch, the working stability of the clutch structure is easily reduced, which will affect the safety of the intelligent door lock. Summary of the Utility Model

[0004] In view of the problems in the related art, the present utility model proposes a clutch mechanism for an intelligent electronic door lock to overcome the above-mentioned technical problems existing in the related art.

[0005] For this purpose, the specific technical solution adopted by the present utility model is as follows: A clutch mechanism for an intelligent electronic door lock includes a fixing plate, a clutch is rotatably provided on the fixing plate, a clutch driving mechanism is fixedly installed at the bottom of the clutch, a clutch block is arranged in the inner cavity of the clutch, a moving rod is connected to the front end of the clutch block, a lock core transmission rod is connected to the left end of the moving rod, and a compression spring is connected between the left end of the moving rod and the lock core transmission rod. An electric push rod is fixedly installed above the clutch, a moving block is fixedly provided at the bottom end of the electric push rod, and a moving plate is arranged on the moving rod, and the bottom of the moving block contacts the top of the moving plate.

[0006] As a further optimization, the clutch penetrates through the fixing plate and is connected to a handle, and a baffle is fixedly provided at the front side of the clutch through bolts, and the baffle is located in front of the clutch block.

[0007] As a further optimization, a sliding hole is opened in the inner cavity at the bottom of the clutch, a clutch pin rod is slidably arranged in the sliding hole, a return spring is arranged in the inner cavity of the sliding hole, a convex ring is fixedly provided at the middle end of the clutch pin rod, and the convex ring contacts the bottom of the return spring, and a retaining ring is arranged in the bottom opening of the sliding hole.

[0008] As a further optimization, a square hole is opened at the center of the clutch block, and pin holes are uniformly opened at the rear side of the clutch block, and the positions of the pin holes correspond to the positions of the clutch pin rods.

[0009] As a further optimization, the right ends of the moving rod and the lock core transmission rod are both square in cross section. The right end of the moving rod is inserted into the square hole. A connecting sleeve is fixedly provided at the left end of the moving rod. Fixed rings are symmetrically and fixedly provided on the connecting sleeve. The bottom of the moving plate is sleeved on the connecting sleeve and is located between the fixed rings.

[0010] As a further optimization, the right end of the lock core transmission rod is inserted into the connecting sleeve. A fixed block is fixedly provided on the lock core transmission rod. The compression spring is sleeved on the lock core transmission rod, and its two ends are respectively connected to the left end of the connecting sleeve and the fixed block.

[0011] As a further optimization, fixed rods are symmetrically and fixedly provided on the fixed plate. Sliding blocks are sleeved on the fixed rods. The top of the moving plate is fixedly connected to the bottom of the sliding blocks.

[0012] As a further optimization, the electric push rod is located above the clutch. The moving block is located between the fixed rods. An inclined surface is provided on the left side of the bottom of the moving block, and the inclined surface contacts the right side of the sliding block.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] 1. By providing a clutch, after the intelligent electronic door lock is locked, the clutch driving mechanism can be moved downward, so that the clutch pin rod inside the clutch is ejected. When the handle is rotated, only the clutch will rotate and the clutch block will not be driven to rotate. When unlocking is required, by inputting the password or fingerprint, the clutch driving mechanism can be pushed upward, so that the clutch pin rod enters the clutch block, and the clutch block and the lock core transmission rod can be rotated together by the handle and the clutch to achieve the purpose of unlocking.

[0015] 2. By providing a moving rod, after the door lock is closed, the electric push rod can move the moving block downward and push the moving plate to the left, so that the right end of the moving rod is disengaged from the connection with the clutch block, and the clutch will not drive the lock core transmission rod to rotate. After inputting the password or fingerprint, the moving rod will move to the right under the action of the compression spring, and the right end of the moving rod will be inserted into the clutch block again, achieving the purpose of rotating the lock core transmission rod, enabling the intelligent electronic door lock to have two ways of controlling the movement of the lock core by the clutch mechanism, improving the working stability of the clutch structure and also improving the reliability of the intelligent electronic door lock. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings are used to provide a further understanding of the present utility model and constitute a part of the specification. They are used together with the specific embodiments of the present utility model to explain the present utility model and do not constitute a limitation to the present utility model.

[0017] Figure 1 It is a schematic diagram of the overall structure of the present utility model;

[0018] Figure 2 Schematic diagram of the lead screw drive structure of the present utility model;

[0019] Figure 3 Schematic cross-sectional view of the adjustment groove of the present utility model;

[0020] Figure 4 Schematic diagram of the sliding groove structure of the present utility model;

[0021] Reference numerals in the figure: 1, fixed plate; 2, clutch; 3, clutch drive mechanism; 4, clutch block; 5, moving rod; 6, lock core transmission rod; 7, compression spring; 8, electric push rod; 9, moving block; 10, moving plate; 11, baffle; 12, sliding hole; 13, clutch pin rod; 14, return spring; 15, square hole; 16, pin hole; 17, connecting sleeve; 18, fixing ring; 19, fixing rod; 20, sliding block. Detailed implementation manners

[0022] To further illustrate the embodiments, the present utility model provides accompanying drawings. These accompanying drawings are a part of the disclosure of the present utility model, and are mainly used to illustrate the embodiments and can cooperate with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, those of ordinary skill in the art should be able to understand other possible implementation manners and the advantages of the present utility model. The components in the figures are not drawn to scale, and similar component symbols are usually used to represent similar components.

[0023] Embodiment 1

[0024] As Figures 1 to 4As shown in the figure, a clutch mechanism for an intelligent electronic door lock according to an embodiment of the present invention includes a fixing plate 1. A clutch 2 is rotatably provided on the fixing plate 1. A clutch driving mechanism 3 is fixedly installed at the bottom of the clutch 2. A clutch block 4 is provided inside the clutch 2. A moving rod 5 is connected to the front end of the clutch block 4. A lock core transmission rod 6 is connected to the left end of the moving rod 5. A compression spring 7 is connected between the left end of the moving rod 5 and the lock core transmission rod 6. An electric push rod 8 is fixedly installed above the clutch 2. A moving block 9 is fixedly provided at the bottom end of the electric push rod 8. A moving plate 10 is provided on the moving rod 5. The bottom of the moving block 9 contacts the top of the moving plate 10. The clutch 2 penetrates through the fixing plate 1 and is connected to a handle. A baffle 11 is fixedly provided on the front side of the clutch 2 through bolts, and the baffle 11 is located in front of the clutch block 4, which can keep the clutch block 4 stable inside the clutch 2 and prevent it from being pulled out when the moving rod 5 moves outwards. A sliding hole 12 is opened in the bottom inner cavity of the clutch 2. A clutch pin rod 13 is slidably provided in the sliding hole 12. A return spring 14 is provided in the inner cavity of the sliding hole 12. A convex ring is fixedly provided at the middle end of the clutch pin rod 13, and the convex ring contacts the bottom of the return spring 14. A retaining ring is provided in the bottom opening of the sliding hole 12. A square hole 15 is opened at the center of the clutch block 4. Pin holes 16 are evenly opened at the rear side of the clutch block 4, and the positions of the pin holes 16 correspond to the positions of the clutch pin rods 13. Only when the clutch pin rod 13 is pushed upwards by the clutch driving mechanism 3 will the clutch pin rod 13 enter the pin hole 16, so as to achieve the purpose of driving the clutch block 4 to rotate by the clutch 2.

[0025] Embodiment 2

[0026] For a clutch mechanism of an intelligent electronic door lock, the right end of the moving rod 5 and the cross-section of the lock core transmission rod 6 are both square. The right end of the moving rod 5 is inserted into the square hole 15. A connecting sleeve 17 is fixedly provided at the left end of the moving rod 5. Fixed rings 18 are symmetrically fixedly provided on the connecting sleeve 17. The bottom of the moving plate 10 is sleeved on the connecting sleeve 17 and is located between the fixed rings 18. The right end of the lock core transmission rod 6 is inserted into the connecting sleeve 17. A fixed block is fixedly provided on the lock core transmission rod 6. The compression spring 7 is sleeved on the lock core transmission rod 6, and its two ends are respectively connected to the left end of the connecting sleeve 17 and the fixed block, which can allow the moving rod 5 to move left and right between the lock core transmission rod 6 and the clutch block 4, so as to separate or connect the clutch block 4 from the lock core transmission rod 6, ensure better clutch effect, and effectively avoid the situation of violently breaking the door through the handle, improving its safety.

[0027] Embodiment 3

[0028] An intelligent electronic door lock clutch mechanism, on the fixing plate 1, fixing rods 19 are symmetrically and fixedly arranged. A sliding block 20 is sleeved on the fixing rod 19. The top of the moving plate 10 is fixedly connected to the bottom of the sliding block 20. The electric push rod 8 is located above the clutch 2. The moving block 9 is located between the fixing rods 19. An inclined surface is provided on the left side of the bottom of the moving block 9, and the inclined surface contacts the right side of the sliding block 20. When the moving block 9 moves downward, its inclined surface contacts the sliding block 20. As the distance of downward movement increases, the sliding block 20 will be pushed to the left, providing power for the movement of the clutch mechanism. Moreover, the fixing rod 19 can ensure the accuracy of the moving position of the sliding block 20, thereby ensuring that the moving rod 5 can accurately insert into the clutch block 4.

[0029] In summary, by means of the above technical solution of the present invention, after the intelligent electronic door lock is locked, the clutch driving mechanism 3 moves downward, so that the clutch pin rod 13 inside the clutch 2 is ejected. When turning the handle, only the clutch 2 rotates, and the clutch block 4 will not be driven to rotate. When unlocking is required, enter the password or fingerprint, and the clutch driving mechanism 3 can be jacked up, so that the clutch pin rod 13 enters the clutch block 4. Then, the handle and the clutch 2 can drive the clutch block 4 and the lock core transmission rod 6 to rotate together to achieve the purpose of unlocking. At the same time, after the intelligent electronic door lock is closed, the electric push rod 8 can also make the moving block 9 move downward, push the moving plate 10 to the left, so that the right end of the moving rod 5 is disengaged from the connection with the clutch block 4, and also prevent the clutch 2 from driving the lock core transmission rod 6 to rotate. The intelligent electronic door lock has two ways of controlling the movement of the lock core by the clutch mechanism, improving the working stability of the clutch structure and the reliability of the intelligent electronic door lock.

[0030] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An intelligent electronic door lock clutch mechanism, including a fixed plate (1), characterized in that: A clutch (2) is rotatably provided on the fixed plate (1). A clutch driving mechanism (3) is installed at the bottom of the clutch (2). A clutch block (4) is provided inside the cavity of the clutch (2). A moving rod (5) is connected to the front end of the clutch block (4). A lock core transmission rod (6) is connected to the left end of the moving rod (5). A compression spring (7) is connected between the left end of the moving rod (5) and the lock core transmission rod (6). An electric push rod (8) is installed above the clutch (2). A moving block (9) is provided at the bottom end of the electric push rod (8). A moving plate (10) is provided on the moving rod (5). The bottom of the moving block (9) contacts the top of the moving plate (10).

2. The intelligent electronic door lock clutch mechanism according to claim 1, wherein: The clutch (2) penetrates through the fixed plate (1) and is connected with a handle. A baffle (11) is provided on the front side of the clutch (2) through bolts, and the baffle (11) is located in front of the clutch block (4).

3. An intelligent electronic door lock clutch mechanism according to claim 1 or 2, characterized in that: A sliding hole (12) is opened in the inner cavity at the bottom of the clutch (2). A clutch pin rod (13) is slidably provided in the sliding hole (12). A return spring (14) is provided in the inner cavity of the sliding hole (12). A convex ring is provided at the middle end of the clutch pin rod (13), and the convex ring contacts the bottom of the return spring (14). A retaining ring is provided in the bottom opening of the sliding hole (12).

4. The intelligent electronic door lock clutch mechanism according to claim 3, wherein: A square hole (15) is opened at the center of the clutch block (4). Pin holes (16) are evenly opened at the rear side of the clutch block (4), and the positions of the pin holes (16) correspond to the positions of the clutch pin rods (13).

5. The intelligent electronic door lock clutch mechanism according to claim 4, characterized in that: The cross sections of the right end of the moving rod (5) and the lock core transmission rod (6) are both square. The right end of the moving rod (5) is inserted into the square hole (15). A connecting sleeve (17) is provided at the left end of the moving rod (5). Fixed rings (18) are symmetrically provided on the connecting sleeve (17). The bottom of the moving plate (10) is sleeved on the connecting sleeve (17) and is located between the fixed rings (18).

6. The intelligent electronic door lock clutch mechanism according to claim 5, characterized in that: The right end of the lock core transmission rod (6) is inserted into the connecting sleeve (17). A fixed block is provided on the lock core transmission rod (6). The compression spring (7) is sleeved on the lock core transmission rod (6), and the two ends are respectively connected to the left end of the connecting sleeve (17) and the fixed block.

7. The clutch mechanism of an intelligent electronic door lock according to claim 1, wherein: Fixed rods (19) are symmetrically provided on the fixed plate (1). A sliding block (20) is sleeved on the fixed rods (19). The top of the moving plate (10) is fixedly connected to the bottom of the sliding block (20).

8. The intelligent electronic door lock clutch mechanism according to claim 7, characterized in that: The electric push rod (8) is located above the clutch (2). The moving block (9) is located between the fixed rods (19). An inclined surface is provided on the left side of the bottom of the moving block (9), and the inclined surface contacts the right side of the sliding block (20).

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