A lock with simple structure and convenient locking

Abstract

The utility model provides a simple structure is convenient for locking's lock, including lock body, connecting piece, lock head, lock core, have the lock slot on the lock head, still include the mounting seat of being fixed in the lock body, at least one clamping head is movably established on the mounting seat, have the clamping portion in the lock slot of being able to be clamped into under the locking state on the lock head, the output end transmission connection of lock core has the rotating part, directly push the clamping head to make the clamping portion of clamping head separate the lock slot of lock head and open the lock when rotating through the rotating part. The utility model has the advantages of: the utility model sets up the fixed mounting seat, directly pushes the clamping head and opens the lock through the rotating part rotation, makes the rotating part in the lock body less, and the friction is less when opening the lock, and it is more labor-saving when opening the lock, and because the rotating part is less, and the rotation space is larger, and it is not easy to jam, and the service life is longer.

Description

Technical Field

[0001] This utility model belongs to the field of lock technology, specifically a lock with a simple structure that is easy to lock. Background Technology

[0002] Currently, chain locks on the market have complex structures and are inconvenient to use. For example, a mechanical lock disclosed in authorization announcement number CN223018394U has a lock cylinder driving unlocking structure including a transmission component, a guide component, and a locking head. The guide component has a guide slope. The lock cylinder drives the transmission component to rotate, and the guide surface pushes the locking head to rotate to unlock or lock. In this case, the transmission component itself needs to rotate during unlocking and locking, and the locking head needs to rotate with the transmission component and also needs to rotate on the transmission component itself, resulting in greater friction. When opening and closing the lock, the force required to turn the key is greater, resulting in a poor customer experience. In addition, since this lock is usually used outdoors and needs to be exposed to rain, the small gap between the transmission component and the cylinder sleeve and guide component means that even a small foreign object entering under long-term use will cause greater resistance. In addition, the presence of impurities or internal rust will affect the spring force and movement, making it even more difficult to turn the key, resulting in a shorter service life. Utility Model Content

[0003] The technical problem this invention aims to solve is how to easily open and close locks.

[0004] To achieve the above objectives, this utility model provides the following technical solution:

[0005] A simple and easy-to-lock lock includes a lock body, a connector, a lock head, and a lock cylinder. The lock head has a lock groove and also includes a mounting base fixed in the lock body. At least one latch is movably provided on the mounting base. The lock head has a latching part that can be engaged into the lock groove in the locked state. The output end of the lock cylinder is drivenly connected to a rotating component. When the rotating component rotates, it directly pushes the latching part to disengage the latching part from the lock groove of the lock head to unlock.

[0006] Preferably, it also includes an elastic element that elastically drives the card head into a locked state.

[0007] Preferably, the elastic element is a torsion spring, with one end of the torsion spring abutting against the locking head and the other end abutting against the inner wall of the lock body. The mounting base is provided with an installation space for the main body of the torsion spring to be inserted.

[0008] Preferably, the rotating component has a narrow region and a wide region. When the rotating component rotates to the wide region facing the locking head, the rotating component pushes the locking head, causing the locking head to rotate and the locking part of the locking head disengages from the locking groove and unlocks. When the rotating component rotates to the narrow region, the locking head is returned to its original position by the action of the torsion spring and is in the locked state.

[0009] Preferably, the rotating component has an elliptical or racetrack-shaped cross-section.

[0010] Preferably, the end of the locking head facing the lock head is provided with a guide slope, so that when the lock head is inserted, the lock head pushes open the locking head through the guide slope.

[0011] Preferably, there are two clips arranged symmetrically, and the clips have a smooth column at the position where they rotate with the mounting base, and the corresponding mounting base has a smooth arc surface.

[0012] Preferably, the mounting base and the lock cylinder sleeve are an integral structure.

[0013] Preferably, the mounting base is provided with a slot for the card head to rotate, and a crossbar is provided at the slot to limit the card head from excessively extending.

[0014] Preferably, the surface of the latching part of the latch head that contacts the lock head is provided with a downwardly protruding rib, or the contact surface is designed as a hook-shaped structure with the end inclined downwards, and the corresponding surface of the lock head that engages with the rib is a conical surface with the inner side concave and the outer side upturned.

[0015] The beneficial effects of this utility model are: by setting a fixed mounting base, the rotating part directly pushes the locking head to unlock, which reduces the number of rotating parts in the lock body, reduces friction during unlocking, and makes unlocking more effortless. At the same time, due to the fewer rotating parts and larger rotation space, it is less prone to jamming and has a longer service life. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a cross-sectional view of the present invention;

[0018] Figure 3 This is a schematic diagram of the rotating component of this utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the card head of this utility model;

[0020] Figure 5 This is a structural schematic diagram of the card head of this utility model from another perspective;

[0021] Figure 6 This is a schematic diagram of the structure of the elastic element of this utility model;

[0022] Figure 7 This is a schematic diagram of the integrated structure of the mounting base and lock cylinder sleeve of this utility model;

[0023] Figure 8 This is a structural schematic diagram of the mounting base of this utility model from another perspective;

[0024] Figure 9 This is a schematic diagram of the structure of the first torsion spring of this utility model.

[0025] Explanation of reference numerals in the attached drawings: 1. Lock body; 2. Lock head; 201. Lock groove; 202. Conical surface; 3. Lock cylinder; 301. Transmission part; 4. Mounting base; 401. Socket; 402. Mounting through groove; 403. Mounting space; 404. Slot; 405. Crossbar; 5. Snap-fit ​​head; 501. Snap-fit ​​part; 502. Mounting groove; 503. Guide slope; 504. Column; 505. Lower protruding rib; 6. Rotating component; 7. First torsion spring; 8. Elastic component. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] Example

[0028] Please see Figures 1-9The figure shows a simple and easy-to-lock lock, which is a chain lock or cable lock. This type of lock mainly includes a lock body 1, a connector (not shown in the figure), a lock head 2, and a lock cylinder 3. The connector is a chain or cable, with one end fixed to the lock body 1. In this embodiment, the fixing head of the connector is inserted into the lock cylinder sleeve, that is, into the mounting base located on a section of the lock cylinder. An outer sleeve is fitted over the core sleeve, and then the entire outer sleeve is fitted over the outer shell to form the lock body. The connection structure between the lock cylinder, the core sleeve, the outer sleeve, and the outer shell is similar to that disclosed in the background art under publication number CN223018394U. The advantages are the same and will not be elaborated here. The other end of the lock head 2 can be movably inserted into the lock body 1. The lock head 2 has a lock groove 201. It is worth noting that this embodiment also includes a mounting base 4 fixed in the lock body 1. The mounting base 4 is movably provided with at least one latch 5. In this embodiment, there are two latches, which are symmetrically arranged. The lock head 2 has a latching part 501 that can be latched into the lock groove 201 in the locked state. The output end of the lock cylinder 3 is drivenly connected to a rotating member 6. When the rotating member 6 rotates, it directly pushes the latch 5 to make the latching part 501 of the latch 5 disengage from the lock groove 201 of the lock head 2 to unlock. In this embodiment, the mounting base 4 has The lock cylinder 3 has a hollow structure, and the rotating part 6 rotates freely within this hollow part. The rotation of the rotating part 6 is achieved by turning the key to actuate the lock cylinder 3. The transmission between the two is specifically achieved by a non-circular transmission part 301 at the end of the lock cylinder 3, and the rotating part 6 is directly sleeved on the transmission part 301. Two locking heads 5 are provided on the mounting seats 4 on both sides of the rotating part 6. When the rotating part 6 rotates, the outer wall of the rotating part 6 pushes open the locking heads 5, causing the two locking heads 5 to open and thus disengage the locking parts 501 of the two locking heads 5 from the lock groove 201. At this time, the lock head 2 can be freely pulled out. In this embodiment, in order to enable the lock cylinder 3 to automatically reset, this embodiment... A first torsion spring 7 is provided between the rotating component 6 and the mounting base 4. One end of the first torsion spring 7 is inserted into the rotating component 6, and the rotating component 6 has an insertion hole for inserting one end of the first torsion spring 7. The other end of the first torsion spring 7 is snapped into the mounting base 4. The mounting base 4 has a slot 401 for the end of the first torsion spring 7 to be snapped into. In order to facilitate the end of the first torsion spring 7 to be snapped into the slot 401 of the mounting base 4, this embodiment provides a mounting through groove 402 at the slot 401 of the mounting base 4. The mounting through groove 402 makes the space for the mounting base 4 to install the first torsion spring 7 communicate with the outside of the mounting base 4, thereby facilitating the installation of the first torsion spring 7.

[0029] To enable the locking head 5 to quickly reset, this embodiment also includes an elastic element 8 that elastically drives the locking head 5 into a locked state. In this embodiment, the elastic element 8 is a second torsion spring. One end of the second torsion spring abuts against the locking head 5, and the other end abuts against the inner wall of the lock body 1. A mounting space 403 is provided on the mounting base 4 for the main body of the second torsion spring to be inserted. In this embodiment, the elastic element 8 for resetting the locking head 5 is designed as a second torsion spring at its rear. By providing a mounting groove 502 at its rear to fix the second torsion spring, it can be firmly fixed, preventing displacement. Traditional straight-tube springs are prone to deformation in the extended state and may detach from the mounting position. The second torsion spring in this embodiment completely avoids this situation, thereby further ensuring the product's service life.

[0030] In this embodiment, in order to enable the rotating member 6 to intermittently drive the locking head 5, the rotating member 6 has a narrow region and a wide region. When the rotating member 6 rotates to the wide region facing the locking head 5, the rotating member 6 pushes the locking head 5, causing the locking head 5 to rotate, and the locking part 501 of the locking head 5 disengages from the locking groove 201 and unlocks. When the rotating member 6 rotates to the narrow region, the locking head 5 returns to its original position under the action of the second torsion spring and is in a locked state. The rotating component 6 has an elliptical or racetrack-shaped cross-section. In this embodiment, an elliptical structure is adopted. When the two ends of the elliptical rotating component 6 in the long axis direction abut against the locking head 5, the displacement of the rotating end of the locking head 5 is limited by the mounting base 4 and the lock body 1, so it can only rotate. Therefore, when pushed by the rotating component 6, one end of the locking part 501 of the locking head 5 will move away from the locking groove 201 of the lock head 2, thus unlocking. When the two ends of the elliptical rotating component 6 in the short axis direction abut against the locking head 5, the displacement of the rotating end of the locking head 5 is also limited, and the rotating component 6 is reset by the action of the second torsion spring. In this embodiment, in order to prevent the rotating component 6 from disengaging from the lock cylinder 3.

[0031] In order to achieve keyless locking, this embodiment provides a guide slope 503 at the end of the locking head 5 facing the locking head 2. When the locking head 2 is inserted, the locking head 2 pushes open the locking head 5 through the guide slope 503. In order to further facilitate the insertion of the locking head 2, the end side of the locking head 2 is tapered, making it easier to push open the locking head 5.

[0032] In this embodiment, the mounting base 4 and the core sleeve of the lock cylinder 3 are an integral structure. This design enables the lock to be assembled quickly and saves costs. The integral structure of the two does not require a separate mounting base 4 for fixing, and the strength is also improved.

[0033] In order to allow the locking head 5 and the mounting base 4 to rotate more smoothly and reduce jamming, this embodiment has a smooth column 504 at the rotational engagement position of the locking head 5 and the mounting base 4, and the corresponding mounting base 4 has a smooth arc surface. Since the rotating parts are all smooth structures, even if dust enters between the locking head 5 and the mounting base 4, it is difficult to cause a large blockage, thereby further reducing the force required to turn the key, and no jamming will occur even after long-term use, resulting in a longer service life.

[0034] In this embodiment, in order for the locking head 5 to rotate, a slot 404 for the locking head 5 to rotate is provided on the mounting base 4. In order to prevent it from rotating excessively and causing the locking head 2 to be unable to open the locking head 5, a crossbar 405 is provided at the slot 404 to limit the locking head 5 from excessively extending. The crossbar 405 can limit the two locking heads 5 to have a suitable opening degree in the locked state, so that the locking head 5 can be easily opened by the locking head 2.

[0035] In order for the locking head 5 to more firmly lock the lock head 2, this embodiment provides a downwardly protruding rib 505 on the surface of the locking part 501 of the locking head that contacts the lock head, or the contact surface is designed as a hook-shaped structure with the end tilted downward. The corresponding surface of the lock groove 201 of the lock head 2 that engages with the downwardly protruding rib 505 is a conical surface 202 with the inner side concave and the outer side upturned. In this way, the downwardly protruding rib of the locking head can firmly lock the lock groove of the lock head, making it difficult to pull out after the lock head is inserted and locked.

Claims

1. A simple and easy-to-lock lock, comprising a lock body (1), a connector, a lock head (2), and a lock cylinder (3), wherein the lock head (2) has a lock groove (201), characterized in that: It also includes a mounting base (4) fixed inside the lock body (1), at least one latch (5) is movably provided on the mounting base (4), the lock head (2) has a latching part (501) that can be latched into the lock groove (201) in the locked state, and the output end of the lock cylinder (3) is connected to a rotating part (6). When the rotating part (6) rotates, it directly pushes the latch (5) to make the latching part (501) of the latch (5) disengage from the lock groove (201) of the lock head (2) to unlock.

2. The lock as described in claim 1, which has a simple structure and is easy to lock, is characterized in that: It also includes an elastic element (8) that elastically drives the card head (5) into a locked state.

3. The lock as described in claim 2, which has a simple structure and is easy to lock, is characterized in that: The elastic element (8) is a torsion spring. One end of the torsion spring abuts against the latch (5), and the other end abuts against the inner wall of the lock body (1). The mounting base (4) is provided with a mounting space (403) for the main body of the torsion spring to be inserted.

4. A lock with a simple structure and easy locking mechanism as described in claim 1, 2, or 3, characterized in that: The rotating part (6) has a narrow region and a wide region. When the rotating part (6) rotates to the wide region facing the locking head (5), the rotating part (6) pushes the locking head (5) to cause the locking head (5) to rotate, and the locking part (501) of the locking head (5) disengages from the locking groove (201) and unlocks. When the rotating part (6) rotates to the narrow region, the locking head (5) returns to its original position under the action of the torsion spring and is in the locked state.

5. The lock as described in claim 4, which has a simple structure and is easy to lock, characterized in that: The rotating component (6) has an elliptical or racetrack-shaped cross section.

6. The lock as described in claim 1, which has a simple structure and is easy to lock, is characterized in that: The end of the locking head (5) facing the locking head (2) is provided with a guide slope (503). When the locking head (2) is inserted, the locking head (2) pushes open the locking head (5) through the guide slope (503).

7. The lock as described in claim 6, which has a simple structure and is easy to lock, characterized in that: There are two clips (5) arranged symmetrically. The clip (5) has a smooth column (504) at the position where it rotates with the mounting base (4), and the corresponding mounting base (4) has a smooth arc surface.

8. The lock as described in claim 1, which has a simple structure and is easy to lock, is characterized in that: The mounting base (4) and the lock cylinder (3) are an integral structure.

9. The lock as described in claim 1, which has a simple structure and is easy to lock, characterized in that: The mounting base (4) is provided with a slot (404) for the card head (5) to rotate, and a crossbar (405) is provided at the slot (404) to limit the card head (5) from excessively extending.

10. The lock as described in claim 1, which has a simple structure and is easy to lock, characterized in that: The snap-fit ​​part (501) of the snap-fit ​​head has a downward protruding rib (505) on the surface that contacts the lock head, or the contact surface is designed as a hook-shaped structure with the end tilted downward. The corresponding lock groove (201) of the lock head (2) and the surface that engages with the downward protruding rib (505) is a conical surface (202) with the inner side concave and the outer side upturned.

Images