Double-clutch lock cylinder
By designing the two-stage lock core structure and clutch mechanism of the dual clutch lock core, the difficulty of unlocking the existing lock core in the event of failure is solved, and the effort-saving and convenient key unlocking is achieved, which improves safety and reduces maintenance costs.
Patent Information
- Application Number
- CN202422069927.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-26
- Publication Date
- 2025-07-29
- Estimated Expiration
- 2034-08-26
AI Technical Summary
In the event of an electronic or mechanical failure of the existing dual clutch lock core, there is connection interference between the key side and the knob side, resulting in difficulty in unlocking or excessive force of the key, which can easily deform and break, affecting safety and maintenance costs.
A dual clutch lock core is designed, using a two-stage structure of the handle end lock core and the intermediate lock core. It is combined with the new clutch mechanism to avoid interference with the speed reduction mechanism when the key is unlocked, and achieve labor-saving and convenient unlocking.
Through the design of the two-stage lock core structure and clutch mechanism, the force and load of the reduction mechanism are avoided when the key is unlocked, the convenience and safety of unlocking are improved, and the risk of key damage is reduced.
Smart Images
Figure CN223164364U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of lock cores, and particularly relates to a dual clutch lock core. Background Art
[0002] For an electro-mechanical dual-use lock core mechanism, the key side is on the outer side of the door, and the knob side is on the inner side of the door. A clutch structure is used to connect a dial between the lock core on the knob side and the lock core on the key side. The dial is used for locking and unlocking, and the electronic drive part consists of a drive mechanism and a reduction mechanism.
[0003] However, there will be connection interference between the lock core on the knob side and the lock core on the key side of the existing clutch mechanism. When the electronic lock has problems such as electronic failure, panel damage, damage to the electronic mechanism, or battery power failure, it will be impossible to quickly unlock the lock, which affects safety, maintenance costs, and unlocking fees. Similarly, when using a mechanical key to unlock the lock, turning the key needs to bear the force and load of the reduction mechanism, resulting in problems such as inability to quickly unlock the lock or the key being deformed and broken due to excessive force. Summary of the Invention
[0004] The purpose of the utility model is to provide a dual clutch lock core. By designing a new type of lock core mechanism, the handle side of the lock is composed of a two-stage structure of a handle end lock core and an intermediate lock core. With the new type of clutch mechanism, the unlocking between the handle side and the key side will not affect each other, thus avoiding the force and load generated by the reduction mechanism when unlocking with the key, facilitating the user to unlock the key, and playing a role of labor-saving and convenient.
[0005] To solve the above technical problems, the utility model is realized through the following technical solutions:
[0006] The utility model is a dual clutch lock core, which includes a lock shell, a lock core mechanism, a dial body, an inner clutch, and an outer clutch. Lock core grooves are respectively arranged at both ends of the lock shell, and a dial groove is arranged between the two lock core grooves;
[0007] The lock core mechanism includes a handle end lock core, a key end lock core, and an intermediate lock core. The handle end lock core and the intermediate lock core are arranged in one lock core groove, the key end lock core is arranged in the other lock core groove, and the dial body is located in the dial groove and is arranged between the intermediate lock core and the key end lock core;
[0008] An inner hole body is arranged at one end of the handle end lock core close to the dial groove. The inner clutch is slidably arranged in the inner hole body, and an inner spring is arranged between the inner clutch and the inner hole body;
[0009] The key end lock core is provided with an outer hole body at one end close to the dial wheel groove, a core rod is fixed through the outer clutch, the outer clutch is slidably arranged in the outer hole body and an outer spring is provided between the outer clutch and the outer hole body, and the opposite end surfaces of the outer clutch and the inner clutch are in contact with each other;
[0010] The inner clutch peripheral surface is provided with a first rib, the handle end lock core end is provided with a first rib groove that slides with the first rib, and the middle lock core end close to the handle end lock core is provided with a second rib groove that slides with the first rib;
[0011] The dial body is sleeved on the outer clutch, and the outer clutch is provided with a second rib on the peripheral side of one end away from the dial body. The dial body is provided with a third rib groove that cooperates with the second rib, and the key end lock core is provided with a fourth rib groove that slides with the second rib near one end of the dial body.
[0012] The middle lock core is provided with a groove at one end close to the thumbwheel body, and the thumbwheel body is provided with a rib block matched with the groove at one end close to the middle lock core.
[0013] Furthermore, a key hole and a plurality of pin holes are provided in the key end lock core, and the key hole is communicated with the outer hole body.
[0014] Furthermore, the handle end lock core is a solid cylinder, and the handle end lock core is provided with a handle connecting end at one end away from the dial body.
[0015] Furthermore, a locking groove is provided on the lock core groove outside the handle end lock core, and the handle end lock core is arranged in the lock core groove through an elastic clamping ring, and the elastic clamping ring is arranged in the locking groove.
[0016] Furthermore, a clearance core hole is provided in the inner clutch, and the clearance core hole is concentric with the core rod.
[0017] Furthermore, a T-shaped axial hole is provided at the axis of the outer clutch, an end plate is provided at one end of the core rod away from the paddle wheel body, and the outer spring is arranged between the axial hole and the end plate and is sleeved on the outside of the core rod.
[0018] Furthermore, an inner groove is provided on the core rod, a block ring is provided in the inner groove, and the block ring is fitted with an end surface of the outer clutch close to one end of the inner clutch.
[0019] Furthermore, it also includes a key. When the key is not inserted into the keyhole, the second rib on the outer clutch is away from the third rib groove and is located in the fourth rib groove. The pulley body is sleeved on the outer clutch and movably connected to the outer clutch. The first rib is slidably arranged in the first rib groove and the second rib groove. The intermediate lock core is connected to the pulley body through the groove and the rib block.
[0020] Further, when the key is inserted into the keyhole, the outer clutch translates towards the inner clutch. The second rib on the outer clutch is located within the third rib groove and the fourth rib groove, the first rib is away from the second rib and located within the first rib groove, and the intermediate lock core and the handle-end lock core are movably engaged.
[0021] The utility model has the following beneficial effects:
[0022] By designing a novel lock core mechanism, the handle side of the lock is composed of a two-section structure of the handle-end lock core and the intermediate lock core. In combination with the novel clutch mechanism, when unlocking on the handle side, the key-end lock core and the outer clutch will not interfere with the dial body, and when unlocking on the corresponding key side, the handle-end lock core and the inner clutch will not interfere with the dial body. That is, the unlocking on the handle side and the key side will not affect each other, thereby avoiding the force and load generated by the speed reduction mechanism on the key unlocking, facilitating the user to unlock the key, and playing a role of labor-saving and convenient.
[0023] Of course, it is not necessary for any product implementing the utility model to achieve all the above-mentioned advantages simultaneously. Description of the Drawings
[0024] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for describing the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.
[0025] Figure 1 is a schematic structural diagram of the present utility model when the key is not inserted;
[0026] Figure 2 is Figure 1 a partial enlarged view of part A in
[0027] Figure 3 is a schematic structural diagram of the present utility model when the key is inserted;
[0028] Figure 4 is Figure 3 a partial enlarged view of part B in
[0029] In the drawings, the list of components represented by each reference numeral is as follows:
[0030] 1 - Lock housing, 2 - Lock cylinder at the handle end, 3 - Lock cylinder at the key end, 4 - Dial body, 5 - Intermediate lock cylinder, 6 - Inner clutch, 7 - Outer clutch, 8 - Key, 101 - Lock cylinder groove, 102 - Dial groove, 103 - Locking groove, 201 - Inner hole body, 202 - Inner spring, 203 - First rib groove, 204 - Handle connection end, 301 - Outer hole body, 302 - Outer spring, 303 - Fourth rib groove, 304 - Ball hole, 401 - Third rib groove, 402 - Rib block, 501 - Second rib groove, 502 - Groove, 601 - First rib, 602 - Relief core hole, 701 - Core rod, 702 - Second rib, 703 - Axial hole, 704 - End plate, 705 - Stop ring. Detailed implementation mode
[0031] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.
[0032] Please refer to Figures 1-4 As shown, the present invention is a double-clutch lock cylinder, including a lock housing 1, a lock cylinder mechanism, a dial body 4, an inner clutch 6 and an outer clutch 7. Lock cylinder grooves 101 are respectively provided at both ends of the lock housing 1, and a dial groove 102 is provided between the two lock cylinder grooves 101;
[0033] The lock cylinder mechanism includes a lock cylinder 2 at the handle end, a lock cylinder 3 at the key end and an intermediate lock cylinder 5. The lock cylinder 2 at the handle end and the intermediate lock cylinder 5 are arranged in one lock cylinder groove 101, the lock cylinder 3 at the key end is arranged in the other lock cylinder groove 101, and the dial body 4 is located in the dial groove 102 and is arranged between the intermediate lock cylinder 5 and the lock cylinder 3 at the key end;
[0034] An inner hole body 201 is provided at one end of the lock cylinder 2 at the handle end close to the dial groove 102. The inner clutch 6 is slidably arranged in the inner hole body 201 and an inner spring 202 is provided between the inner clutch 6 and the inner hole body 201;
[0035] An outer hole body 301 is provided at one end of the lock cylinder 3 at the key end close to the dial groove 102. A core rod 701 is fixedly penetrated through the outer clutch 7. The outer clutch 7 is slidably arranged in the outer hole body 301 and an outer spring 302 is provided between the outer clutch 7 and the outer hole body 301. The opposite end faces of the outer clutch 7 and the inner clutch 6 are mutually attached;
[0036] The side surface of the inner clutch 6 is provided with a first rib 601. The end of the handle end lock cylinder 2 is provided with a first rib groove 203 that slidably cooperates with the first rib 601. One end of the intermediate lock cylinder 5 close to the handle end lock cylinder 2 is provided with a second rib groove 501 that slidably cooperates with the first rib 601.
[0037] The dial body 4 is sleeved on the outer clutch 7. The side surface of the end of the outer clutch 7 away from the dial body 4 is provided with a second rib 702. The dial body 4 is internally provided with a third rib groove 401 that cooperates with the second rib 702. One end of the key end lock cylinder 3 close to the dial body 4 is provided with a fourth rib groove 303 that slidably cooperates with the second rib 702.
[0038] One end of the intermediate lock cylinder 5 close to the dial body 4 is provided with a groove 502. One end of the dial body 4 close to the intermediate lock cylinder 5 is provided with a rib block 402 that cooperates with the groove 502.
[0039] Among them, as Figure 1 and Figure 3 shown, the key end lock cylinder 3 is internally provided with a key hole and a number of pin holes 304. The key hole communicates with the outer hole body 301.
[0040] Among them, as Figures 1-4 shown, the handle end lock cylinder 2 is a solid cylinder. One end of the handle end lock cylinder 2 away from the dial body 4 is provided with a handle connection end 204.
[0041] Among them, as Figures 1-4 shown, a locking groove 103 is provided on the lock cylinder groove 101 outside the handle end lock cylinder 2. The handle end lock cylinder 2 is arranged in the lock cylinder groove 101 through an elastic snap ring. The elastic snap ring is arranged in the locking groove 103.
[0042] Among them, as Figures 1-4 shown, a relief core hole 602 is provided inside the inner clutch 6. The relief core hole 602 is concentric with the core rod 701.
[0043] Among them, as Figures 1-4 shown, a T-shaped structure axis hole 703 is provided at the axis of the outer clutch 7. One end of the core rod 701 away from the dial body 4 is provided with an end plate 704. The outer spring 302 is arranged between the axis hole 703 and the end plate 704 and is sleeved outside the core rod 701.
[0044] Among them, as Figures 1-4 shown, an inner groove is provided on the core rod 701. A blocking ring 705 is arranged in the inner groove. The blocking ring 705 is attached to the end face of the outer clutch 7 close to the inner clutch 6.
[0045] Among them, as Figures 1-2As shown, it further includes a key. When the key 8 is not inserted into the keyhole, the second rib 702 on the outer clutch 7 is away from the third rib groove 401 and is located within the fourth rib groove 303. The dial body 4 is sleeved on the outer clutch 7 and is movably connected to the outer clutch 7. The first rib 601 is slidably arranged within the first rib groove 203 and the second rib groove 501. The intermediate lock core 5 is connected to the dial body 4 through the groove 502 and the rib 402.
[0046] As shown in Figures 3-4 When the key 8 is inserted into the keyhole, the outer clutch 7 translates towards the inner clutch 6. The second rib 702 on the outer clutch 7 is located within the third rib groove 401 and the fourth rib groove 303. The first rib 601 is away from the second rib groove 501 and is located within the first rib groove 203. The intermediate lock core 5 and the handle-end lock core 2 are movably engaged.
[0047] The working principle of the present utility model is as follows:
[0048] When the key 8 is not inserted, as Figures 1-2 shown, the outer clutch 7 is pushed into the key-end lock core 3 by the inner spring 202. The outer clutch 7 and the dial body 4 are in a state of movable connection. The outer clutch 7 is in an unlocked state. The first rib groove 203 and the second rib groove 501 are integrated through the first rib 601 on the inner clutch 6. The intermediate lock core 5 and the dial body 4 are integrated through the groove 502 and the rib 402. Thus, by rotating the handle-end lock core 2, the dial body 4 can be driven to rotate to unlock the lock core.
[0049] After the key 8 is inserted, as Figures 3-4 shown, the second rib 702 of the outer clutch 7 is between the fourth rib groove 303 and the third rib groove 401 on the dial body 4, realizing the combined connection between the outer clutch 7 and the dial body 4. At the same time, the first rib 601 on the inner clutch 6 disengages from the second rib groove 501 on the intermediate lock core 5 and moves into the first rib 601, that is, realizing the unlocking between the inner clutch 6 and the intermediate lock core 5. Thus, the unlocking between the handle-end lock core 2 and the dial body 4 is realized. Finally, when turning the key-end lock core 3, the dial body 4 can be directly driven to rotate, avoiding the connection with the handle-end lock core 2.
[0050] In the description of this specification, the description referring to terms such as "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in connection with that embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.
[0051] The preferred embodiments of the present utility model disclosed above are only used to help illustrate the present utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the present utility model to the specific embodiments described. Obviously, many modifications and variations can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the present utility model, so that those skilled in the relevant technical field can well understand and utilize the present utility model. The present utility model is only limited by the claims and their full scope and equivalents.
Claims
1. A dual-clutch lock cylinder, comprising a lock housing (1), a lock cylinder mechanism and a dial wheel body (4), wherein the lock housing (1) is provided with a lock cylinder groove (101) at both ends, and a dial wheel groove (102) is provided between the two lock cylinder grooves (101), characterized in that: It further includes an inner clutch (6) and an outer clutch (7); The lock core mechanism includes a handle - end lock core (2), a key - end lock core (3) and an intermediate lock core (5). The handle - end lock core (2) and the intermediate lock core (5) are arranged in a lock core groove (101), the key - end lock core (3) is arranged in another lock core groove (101), and the dial body (4) is located in the dial groove (102) and is arranged between the intermediate lock core (5) and the key - end lock core (3); One end of the handle - end lock core (2) close to the dial groove (102) is provided with an inner hole body (201), the inner clutch (6) is slidably arranged in the inner hole body (201), and an inner spring (202) is arranged between the inner clutch (6) and the inner hole body (201); One end of the key - end lock core (3) close to the dial groove (102) is provided with an outer hole body (301), a core rod (701) is fixedly penetrated in the outer clutch (7), the outer clutch (7) is slidably arranged in the outer hole body (301), and an outer spring (302) is arranged between the outer clutch (7) and the outer hole body (301). One end face of the outer clutch (7) opposite to the inner clutch (6) is mutually attached; The circumferential side of the inner clutch (6) is provided with a first rib (601), the end of the handle - end lock core (2) is provided with a first rib groove (203) which is slidably matched with the first rib (601), and one end of the intermediate lock core (5) close to the handle - end lock core (2) is provided with a second rib groove (501) which is slidably matched with the first rib (601); The dial body (4) is sleeved on the outer clutch (7). One end of the outer clutch (7) far from the dial body (4) is provided with a second rib (702) on its circumferential side. The dial body (4) is provided with a third rib groove (401) which is matched with the second rib (702), and one end of the key - end lock core (3) close to the dial body (4) is provided with a fourth rib groove (303) which is slidably matched with the second rib (702); One end of the intermediate lock core (5) close to the dial body (4) is provided with a groove (502), and one end of the dial body (4) close to the intermediate lock core (5) is provided with a rib block (402) which is matched with the groove (502).
2. The double-clutch lock core according to claim 1, wherein The key - end lock core (3) is provided with a key hole and a plurality of pin holes (304), and the key hole is communicated with the outer hole body (301).
3. A dual clutch lock cylinder according to claim 1, characterized in that, The handle - end lock core (2) is a solid cylinder, and one end of the handle - end lock core (2) far from the dial body (4) is provided with a handle connection end (204).
4. A dual clutch lock core according to claim 1, characterized in that, A locking groove (103) is provided on the lock core groove (101) outside the handle - end lock core (2). The handle - end lock core (2) is arranged in the lock core groove (101) through an elastic snap ring, and the elastic snap ring is arranged in the locking groove (103).
5. A dual clutch lock cylinder according to claim 1, characterized in that, A relief core hole (602) is provided in the inner clutch (6), and the relief core hole (602) is concentric with the core rod (701).
6. The dual clutch lock cylinder according to claim 1, characterized in that: The outer clutch (7) is provided with an axial hole (703) having a T-shaped structure at its axis. One end of the core rod (701) away from the dial body (4) is provided with an end plate (704). The outer spring (302) is arranged between the axial hole (703) and the end plate (704) and sleeved outside the core rod (701).
7. A dual clutch lock cylinder according to claim 1, characterized in that, The core rod (701) is provided with an inner groove, and a blocking ring (705) is arranged in the inner groove. The blocking ring (705) is attached to the end face of the outer clutch (7) close to the inner clutch (6).
8. The dual clutch lock cylinder according to claim 1, characterized in that: It further includes a key. When the key (8) is not inserted into the keyhole, the second rib (702) on the outer clutch (7) is away from the third rib groove (401) and located in the fourth rib groove (303). The dial body (4) is sleeved on the outer clutch (7) and is movably connected to the outer clutch (7). The first rib (601) is slidably arranged in the first rib groove (203) and the second rib groove (501). The intermediate lock core (5) is connected to the dial body (4) through a groove (502) and a rib block (402).
9. A dual clutch lock cylinder according to claim 8, characterized in that, When the key (8) is inserted into the keyhole, the outer clutch (7) translates towards the inner clutch (6). The second rib (702) on the outer clutch (7) is located in the third rib groove (401) and the fourth rib groove (303). The first rib (601) is away from the second rib groove (501) and located in the first rib groove (203). The intermediate lock core (5) and the handle-end lock core (2) are movably matched.