Double-opening disc brake lock
By designing a double-opening structure in the disc brake lock, combining the password lock and the lock core component, the problem of forgetting the password cannot be unlocked is solved, and a convenient unlocking method is achieved, and the convenience of use is improved.
Patent Information
- Application Number
- CN202422862814.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-23
- Publication Date
- 2025-08-22
- Estimated Expiration
- 2034-11-23
AI Technical Summary
The existing disc brake lock has the problem that it cannot unlock after forgetting the password and the key lock core needs to be worn for a long time.
A double-disc brake lock is designed, combining a password lock assembly and a lock core assembly, which can be unlocked through the movement of the pin. When the password is forgotten, it can be unlocked through the lock core assembly, which is easy to use.
It realizes unlocking through either password or lock core, avoiding the trouble of forgetting password and improving the convenience of use.
Smart Images
Figure CN223253141U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a lock, in particular to a double-opening disc brake lock. Background Art
[0002] Disc brake locks are primarily used on two-wheeled vehicles, such as bicycles, motorcycles, and electric vehicles. They prevent theft by locking the brake discs to restrict wheel rotation. Currently, there are disc brake locks with combination locks on the market. These locks are unlocked by entering a preset password, but if you forget the password, you can't unlock the lock. There are also disc brake locks with key cylinders, but these require constant use of the key to unlock them, which is very inconvenient. Utility Model Content
[0003] In view of the deficiencies in the existing technology, the utility model provides a double-opening disc brake lock.
[0004] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a double-opening disc brake lock, comprising a shell, a movable lock tongue is provided in the shell, and the disc brake lock is switched on and off by the reciprocating motion of the lock tongue, the lock tongue is provided with a lock groove, and a password lock assembly and a lock core assembly are provided in the shell, and an axially movable pin is provided in the shell, which has an unlocked state and a locked state. In the locked state, one end of the pin extends into the lock groove of the lock tongue, and in the unlocked state, the pin is disengaged from the lock groove of the lock tongue so that the lock tongue can move freely to unlock, and the lock core assembly and the password lock assembly are both coordinated with the pin shaft, and the output end of the lock core assembly is driven by the key to rotate to drive the pin shaft to move, or after turning to the correct password, the unlocking switch of the password lock assembly is driven to drive the pin shaft to move to unlock.
[0005] Preferably, a latch is provided in the shell to prevent the lock tongue from falling out of the shell, and the latch is located in the lock groove of the lock tongue. The lock tongue includes a lock rod and an extension portion. A first spring is sleeved on the extension portion, and the two ends of the first spring respectively abut the lock tongue and the shell. In the locked state, the lock tongue compresses the first spring and the extension portion is inserted into the lock hole.
[0006] Preferably, the shell includes a detachably connected bottom shell and a cover plate, the password lock assembly is installed between the bottom shell and the cover plate, and the pin shaft passes through the password lock assembly, the pin shaft includes a first shaft segment and a second shaft segment, the diameter of the first shaft segment is smaller than the second shaft segment to form a shaft shoulder, the password lock assembly is sleeved on the second shaft segment, and the first shaft segment is inserted into the lock groove of the lock tongue to limit the lock tongue from rebounding.
[0007] Preferably, the combination lock assembly includes several sleeves which are sequentially sleeved on the second shaft segment, a combination wheel sleeved on the sleeve, a lever, and an unlocking button, the lever and the shell are rotatably connected, characters are provided on the side wall of the combination wheel, a convex tooth is provided on the side wall of the sleeve, and the corresponding inner wall of the combination wheel is provided with a tooth groove which engages with the convex tooth, and the tooth grooves are evenly distributed around the circumference of the combination wheel axis, the bottom shell and the cover plate are respectively provided with a number of first supporting parts and second supporting parts corresponding to the sleeve, the first supporting parts and the second supporting parts are spliced to form a number of bearing seats, and the bearing seats are provided with a slot for the convex tooth to pass through, and in the locked state, the first supporting part and the second supporting part are located between two adjacent combination wheels, and the convex tooth on the sleeve is located between two adjacent first supporting parts.
[0008] Preferably, a first ring is sleeved on the end of the pin shaft close to the lock tongue, the first ring abuts against the shaft shoulder position, and the end of the first ring away from the shaft shoulder abuts against the lower end of the lever, and a first inclined portion is provided at one end of the lever, and the unlocking button includes a pressing portion exposed on the shell and a second inclined portion arranged at the bottom end of the pressing portion, the second inclined portion abuts against the first inclined portion, and a second spring is provided between the unlocking button and the shell for resetting the unlocking button.
[0009] Preferably, the outer diameter of the first collar is larger than the inner diameter of the sleeve, the sleeve at one end of the combination lock assembly abuts the first collar, and the sleeve at the other end of the combination lock assembly abuts a third spring, and the end of the third spring away from the sleeve abuts the second collar. The third spring and the second collar are both mounted on the pin shaft, and a third supporting portion is provided in the bottom shell. The third supporting portion is provided with an opening for the pin shaft to pass through, and the width of the opening is smaller than the outer diameter of the second collar, and the third spring pushes the second collar so that the second collar and the third supporting portion abut.
[0010] Preferably, the pin shaft is provided with a shaft ring integral with the pin shaft on the other side of the third supporting portion abutting the second ring, and the pin shaft is provided with a fourth spring on the end of the shaft ring away from the third supporting portion, and a fourth supporting portion is provided in the bottom shell, and one end of the fourth spring abuts the shaft ring, and the other end abuts the fourth supporting portion.
[0011] Preferably, the output end of the lock core assembly is provided with a push block and also includes a transmission member, which is sleeved on the pin shaft between the shaft ring and the third supporting part. The inner hole diameter of the transmission member is smaller than the outer diameter of the shaft ring. The transmission member is provided with a block abutting the push block. When the lock core assembly is unlocked and rotated, the push block pushes the block, and the block pushes the shaft ring, thereby driving the pin shaft to slide, so that the disc brake lock is unlocked.
[0012] Preferably, a spring sheet is provided in the housing, one end of the spring sheet is fixedly connected to the housing, and the other end is provided with a folded corner portion, and a card slot abutting against the folded corner portion is provided between adjacent characters of the password wheel.
[0013] Preferably, a guide portion surrounding the second inclined portion of the unlocking button is provided in the housing.
[0014] The beneficial effects of the present invention: the present invention realizes the double-opening effect through the above-mentioned structural design, and can unlock the pin shaft by any way of the password and the lock core assembly. When the password is forgotten, the lock can be unlocked through the lock core assembly, which is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a structural diagram of the utility model;
[0016] Figure 2 It is a top view of the utility model;
[0017] Figure 3 for Figure 2 A cross-sectional view of the locked state in the AA direction;
[0018] Figure 4 for Figure 2 A cross-sectional view of the locked state in the BB direction;
[0019] Figure 5 This is an exploded schematic diagram of the utility model;
[0020] Figure 6 for Figure 2 The cross-sectional view of the unlocked state in the AA direction;
[0021] Figure 7 for Figure 2 Cross-sectional view when setting password in AA direction;
[0022] Figure 8 This is a schematic diagram of unlocking the lock through the lock core assembly of the utility model;
[0023] Figure 9 This is a schematic diagram of the internal structure of the utility model;
[0024] Figure 10 for Figure 9 Structural diagram of the other direction;
[0025] Figure 11 It is a structural schematic diagram of the bottom shell of the utility model. DETAILED DESCRIPTION
[0026] like Figures 1-11As shown, a double-opening disc brake lock includes a shell 100, a slidable lock tongue 200 is provided in the shell 100, and the shell 100 is provided with a lock hole 101 for inserting the lock tongue 200, the shell 100 includes a detachably connected bottom shell 102 and a cover plate 103, a pin 300, a first spring 11, a password lock assembly 400, a lever 500, a lock core assembly 700, and an unlocking button 600 are provided in the shell 100, the lock tongue 200 includes a lock rod 201 and an extension portion 202, the extension portion 202 is sleeved with a first spring 11, and the two ends of the first spring 11 respectively abut the lock tongue 200 and the shell 100, the lock tongue 200 is provided with a lock groove 203, the pin 300 includes a first shaft section 301 and a second shaft section 302, the first shaft section 301 A shoulder 303 is formed with a diameter smaller than that of the second shaft section 302, and the password lock assembly 400 is sleeved on the second shaft section 302. The pin shaft 300 can slide axially, and the shoulder 303 abuts the first ring 13. The end of the first ring 13 away from the shoulder 303 abuts the lower end of the lever 500. The lever 500 and the housing 100 are rotatably connected. When the lever 500 rotates, the lower end of the lever 500 does not directly transmit power to the pin shaft 300. The upper end of the lever 500 is provided with a first inclined portion 501, and the unlocking button 600 includes a pressing portion 601 exposed on the housing 100 and a second inclined portion 602 arranged at the bottom end of the pressing portion 601. The second inclined portion 602 abuts against the first inclined portion 501, and a second spring 14 is provided between the unlocking button 600 and the housing 100. In this embodiment, the lower end of the lever 500 is provided with a U-shaped opening 108, the two ends of which abut against the end surface of the first collar 13. The first shaft section 301 of the pin 300 extends through the opening 108. Axles 502 are provided on both sides of the lever 500, and mounting holes 1011 are provided within the housing 100 for inserting the axles 502. In the locked state, the bolt 200 compresses the first spring 11, the extension 202 is inserted into the lock hole 101, and the first shaft section 301 is inserted into the lock slot 203 of the bolt 200, preventing the bolt 200 from rebounding.
[0027] The combination lock assembly 400 includes a plurality of sleeves 401 sequentially sleeved on the second shaft section 302, and a combination wheel 402 sleeved on the sleeve 401. The side wall of the combination wheel 402 is provided with characters 403. The side wall of the sleeve 401 is provided with a protruding tooth 404. The inner wall of the corresponding combination wheel 402 is provided with a tooth groove 405 that meshes with the protruding tooth 404. The tooth groove 405 is evenly distributed around the circumference of the combination wheel 402 with the axis of the combination wheel 402 as the center. The bottom shell 102 and the cover plate 103 are respectively provided with a first supporting portion 104 and a second supporting portion 105 corresponding in number to the sleeve 401. Figure 4 As shown, the first supporting parts 104 and the second supporting parts 105 are assembled to form a plurality of bearing seats, and each bearing seat is provided with a slot 106 for the convex teeth 404 to pass through. Figure 3 As shown, in the locked state, the first supporting portion 104 and the second supporting portion 105 are located between two adjacent code wheels 402, and the protruding teeth 404 on the sleeve 401 are located between two adjacent first supporting portions 104;
[0028] The outer diameter of the first collar 13 is larger than the inner diameter of the sleeve 401. The sleeve 401 at one end of the combination lock assembly 400 abuts the first collar 13. The sleeve 401 at the other end of the combination lock assembly 400 abuts the third spring 15. The end of the third spring 15 away from the sleeve 401 abuts the second collar 16. The third spring 15 and the second collar 16 are both sleeved on the pin 300. A third supporting portion 107 is provided in the bottom shell 102. The third supporting portion 107 has an opening 108 for the pin 300 to pass through, and the width of the opening 108 is smaller than the outer diameter of the second collar 16. The third spring 15 pushes the second collar 16 so that the second collar 16 abuts the third supporting portion 107.
[0029] The pin shaft 300 is provided with a collar 304 integral with the pin shaft 300 on the other side of the third supporting portion 107 abutting against the second collar 16, and a transmission member 800 is sleeved between the collar 304 and the third supporting portion 107. The inner diameter of the transmission member 800 is smaller than the outer diameter of the collar 304. The pin shaft 300 is sleeved with a fourth spring 18 at one end of the collar 304 away from the third supporting portion 107. A fourth supporting portion 109 is provided in the bottom housing 102. One end of the fourth spring 18 abuts against the collar 304, and the other end abuts against the fourth supporting portion 109. The fourth spring 18 pushes the collar 304 so that the collar 304 and the transmission member 800, as well as the transmission member 800 and the third supporting portion 107, abut.
[0030] When unlocking by password, the password wheel 402 is rotated to the preset password, and the unlock button 600 is pressed. The unlock button 600 pushes the lever 500 downward through the second inclined portion 602 to rotate. The lower end of the lever 500 pushes the pin 300 and the sleeve 401 to move away from the lock tongue 200 through the first ring 13. (When and only when the password entered is the preset password, the protruding teeth 404 of the sleeve 401 can pass through the slot 106 on the bearing seat. If the password is incorrect, the protruding teeth 404 will hit the first support portion 104 or the second support portion 105, so that the sleeve 401 cannot move further, and then the sleeve 401 blocks the movement of the first ring 13 and the pin 300.) When the pin 300 and the lock tongue 200 are disengaged, the first spring 11 pushes the lock tongue 200 upward, and the extension portion 202 of the lock tongue 200 is withdrawn from the lock hole 101, completing the unlocking. When locking is required, as shown in FIG. Figure 3As shown, the locking rod 201 is pressed downward, so that the locking rod 201 moves downward, the sleeve 401 moves back due to the elastic force of the third spring 15, and the pin 300 moves back due to the elastic force of the fourth spring 18. When the extension portion 202 is inserted into the lock hole 101 and the pin 300 is inserted into the lock groove 203, it is in the locked state.
[0031] If you need to change the password, similar to unlocking, turn the password wheel 402 to the preset password, press the unlock button 600 with one hand, and continue to press the unlock button 600 to the bottom after unlocking. Figure 7 As shown, the lever 500 drives the pin 300 and the sleeve 401 to move further away from the lock tongue 200, so that the protruding tooth 404 of the sleeve 401 disengages from the combination wheel 402. At this time, the other hand adjusts the combination and releases the unlocking button 600. The sleeve 401 moves back due to the elastic force of the third spring 15 and the pin 300 moves back due to the elastic force of the fourth spring 18, and returns to the position Figure 6 In the state shown, the protruding teeth 404 of the sleeve 401 return to the tooth grooves 405 of the password wheel 402. At this time, the password indicated by the password wheel 402 is the modified password.
[0032] The outer shell of the lock core assembly 700 is provided with a push block 701, and the transmission member 800 is provided with a stopper 801 that abuts against the push block 701. The lock core assembly 700 can adopt a conventional lock core of the existing technology, including but not limited to mechanical locks and electronic locks. The specific principle and structure of the lock core assembly 700 are not limited. Figure 10 As shown, in this embodiment, the lock core assembly 700 is a mechanical lock that is unlocked by a key. When the lock core assembly 700 is unlocked and rotated, the push block 701 pushes the stop block 801, and the stop block 801 pushes the shaft ring 304, thereby driving the pin 300 to slide, unlocking the disc brake lock.
[0033] A latch 19 is provided in the housing 100 and is located in the lock slot 203 of the lock tongue 200 . The latch 19 is used to prevent the lock tongue 200 from falling out of the housing 100 when the lock is unlocked.
[0034] like Figure 9 As shown, a spring piece 900 is provided in the housing 100. One end of the spring piece 900 is fixedly connected to the housing 100, and the other end is provided with a corner portion 901. A slot 406 is provided between adjacent characters 403 of the combination wheel 402, which abuts against the corner portion 901. The spring piece 900 is provided to limit the free rotation of the combination wheel 402.
[0035] The housing 100 is provided with a guide portion 1010 surrounding the second inclined portion 602 of the unlocking button 600. The second inclined portion of the unlocking button has a square cross-section, and the corresponding guide portion is also square, which can limit the rotation of the entire unlocking button.
[0036] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Without departing from the spirit and scope of the present invention, simple modifications and substitutions by those skilled in the art are within the scope of protection of the present invention.
Claims
1. A double-opening disc brake lock, comprising a housing, a movable lock tongue disposed within the housing, the lock tongue being capable of opening and closing the disc brake lock by reciprocating motion, the lock tongue having a lock groove, and characterized in that: The housing is provided with a combination lock assembly and a lock core assembly, and the housing is provided with an axially movable pin shaft, which has an unlocked state and a locked state. In the locked state, one end of the pin shaft extends into the lock groove of the lock tongue, and in the unlocked state, the pin shaft disengages from the lock groove of the lock tongue so that the lock tongue can move freely to unlock. The lock core assembly and the combination lock assembly are both driven by the pin shaft. The output end of the lock core assembly is driven to rotate by the key to drive the pin shaft to move, or the unlocking switch of the combination lock assembly is driven to drive the pin shaft to move to unlock after the correct password is dialed.
2. A double-opening disc brake lock according to claim 1, characterized in that: A latch is provided in the shell to prevent the lock tongue from falling out of the shell, and the latch is located in the lock groove of the lock tongue. The lock tongue includes a lock rod and an extension portion. A first spring is sleeved on the extension portion. The two ends of the first spring respectively abut the lock tongue and the shell. In the locked state, the lock tongue compresses the first spring and the extension portion is inserted into the lock hole.
3. A double-opening disc brake lock according to claim 1, characterized in that: The shell includes a detachably connected bottom shell and a cover plate, the password lock assembly is installed between the bottom shell and the cover plate, and the pin shaft passes through the password lock assembly. The pin shaft includes a first shaft segment and a second shaft segment. The diameter of the first shaft segment is smaller than that of the second shaft segment to form a shaft shoulder. The password lock assembly is sleeved on the second shaft segment, and the first shaft segment is inserted into the lock groove of the lock tongue to limit the lock tongue from rebounding.
4. A double-opening disc brake lock according to claim 3, characterized in that: The combination lock assembly includes several sleeves which are sequentially sleeved on the second shaft segment, a combination wheel sleeved on the sleeve, a lever, and an unlocking button. The lever and the shell are rotatably connected. Characters are provided on the side wall of the combination wheel, and a convex tooth is provided on the side wall of the sleeve. The corresponding inner wall of the combination wheel is provided with a tooth groove which meshes with the convex tooth. The tooth grooves are evenly distributed around the circumference of the combination wheel axis. The bottom shell and the cover plate are respectively provided with a first supporting part and a second supporting part corresponding to the number of the sleeves. Each of the first supporting part and the second supporting part is spliced to form a plurality of bearing seats. Each bearing seat is provided with a slot for the convex tooth to pass through. In the locked state, the first supporting part and the second supporting part are located between two adjacent combination wheels, and the convex tooth on the sleeve is located between two adjacent first supporting parts.
5. A double-opening disc brake lock according to claim 4, characterized in that: A first ring is sleeved on one end of the pin shaft close to the lock tongue, the first ring abuts against the shaft shoulder position, and the end of the first ring away from the shaft shoulder abuts against the lower end of the lever, and one end of the lever is provided with a first inclined portion, and the unlocking button includes a pressing portion exposed on the shell and a second inclined portion arranged at the bottom end of the pressing portion, the second inclined portion abuts against the first inclined portion, and a second spring is provided between the unlocking button and the shell for resetting the unlocking button.
6. A double-opening disc brake lock according to claim 5, characterized in that: The outer diameter of the first ring is larger than the inner diameter of the sleeve. The sleeve at one end of the combination lock assembly abuts the first ring. The sleeve at the other end of the combination lock assembly abuts a third spring. The end of the third spring away from the sleeve abuts the second ring. The third spring and the second ring are both mounted on the pin shaft. A third supporting portion is provided in the bottom shell. The third supporting portion is provided with an opening for the pin shaft to pass through, and the width of the opening is smaller than the outer diameter of the second ring. The third spring pushes the second ring to make the second ring abut against the third supporting portion.
7. A double-opening disc brake lock according to claim 6, characterized in that: The pin shaft is provided with a shaft ring integral with the pin shaft on the other side of the third supporting portion abutting the second sleeve ring, and the pin shaft is provided with a fourth spring on the end of the shaft ring away from the third supporting portion. The fourth supporting portion is provided in the bottom shell, and one end of the fourth spring abuts the shaft ring, and the other end abuts the fourth supporting portion.
8. A double-opening disc brake lock according to claim 7, characterized in that: The output end of the lock core assembly is provided with a push block, and also includes a transmission member, which is sleeved on the pin shaft between the shaft ring and the third supporting part. The inner hole diameter of the transmission member is smaller than the outer diameter of the shaft ring. The transmission member is provided with a block abutting against the push block. When the lock core assembly is unlocked and rotated, the push block pushes the block, and the block pushes the shaft ring, thereby driving the pin shaft to slide, so that the disc brake lock is unlocked.
9. A double-opening disc brake lock according to claim 4, characterized in that: A spring sheet is provided in the shell, one end of the spring sheet is fixedly connected to the shell, and the other end is provided with a folded corner portion, and a card slot abutting against the folded corner portion is provided between adjacent characters of the password wheel.
10. The double-opening disc brake lock according to claim 4, characterized in that: A guide portion surrounding the second inclined portion of the unlocking button is provided in the shell.