Linear push type electronic steering column lock
Through the design of a linear push electronic steering column lock, the linear motion control of the lock pin is achieved by using a stepper motor to drive the worm and worm gear structure, which solves the problem of easy jamming of the traditional steering column lock, improves the accuracy and stability of the steering column lock, and ensures driving safety.
Patent Information
- Application Number
- CN202422400767.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-30
- Publication Date
- 2025-07-08
- Estimated Expiration
- 2034-09-30
AI Technical Summary
Traditional steering column locks are easily affected by external forces during work, which leads to jamming and cannot be opened smoothly, affecting driving safety.
The linear push electronic steering column lock is adopted to drive the worm and worm gear structure through a stepper motor to realize linear motion control of the lock pin and stay at any point. Combined with the guide groove and the opening guide limit, the lock pin is ensured accurately locked.
It improves the accuracy and working stability of the steering column lock, ensures the automatic opening and locking functions of the steering column lock, and improves the user's convenience and safety.
Smart Images
Figure CN223072449U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of steering column locks, in particular to a linear push type electronic steering column lock. Background Technique
[0002] The steering column lock, as the name implies, is used to lock the steering column. The traditional steering column lock generally adopts a two-stage stroke working mode, that is, the lock head starts from the starting point and directly reaches the end point. There is no stop during this process and it cannot stop at any point, resulting in no support for the lock head during the working movement, being easily affected by external forces and getting stuck, causing the rotation column lock to not be able to be opened smoothly, resulting in the rotation column being unable to turn normally, having a great impact on the user driving the vehicle, and reducing the safety of the user driving the vehicle.
[0003] In view of the above problems, the utility model is improved. Summary of the Invention
[0004] The utility model provides a linear push type electronic steering column lock, which solves the above problems existing in the prior art during use.
[0005] The technical solution of the utility model is realized as follows: A linear push type electronic steering column lock includes a housing. A guiding groove is opened at the bottom of the inner cavity of the housing, and a limiting sliding groove is opened on one side of the inner cavity of the housing. A lock pin is slidably installed inside the guiding groove, and a block adapted to the lock pin is slidably installed up and down inside the limiting sliding groove. A first spring is fixedly installed in an embedded manner at the top of the block, and a second spring is fixedly installed in an embedded manner on one side of the lock pin. One end of the second spring is fixedly installed on the inner wall of the housing. A worm gear is rotatably installed inside the housing. An active latch is inserted into one side of the top of the lock pin. A guiding groove adapted to the active latch is opened at the bottom of the worm gear, and a boss adapted to the block is integrally formed at the top of the worm gear. A driving structure adapted to the worm gear is arranged on one side of the inner cavity of the housing.
[0006] For the linear push type electronic steering column lock as described above in the utility model, further: The driving structure includes a stepping motor detachably installed inside the housing, and a worm fixedly installed on the output shaft of the stepping motor and meshing with the worm gear.
[0007] For the linear push type electronic steering column lock as described above in the utility model, further: An opening communicating with the guiding groove is opened on one side of the housing, and the opening is adapted to the lock pin.
[0008] For the linear push type electronic steering column lock as described above in the utility model, further: A clamp is arranged on one side of the housing, and fastening bolts penetrate through both ends on one side of the clamp. The clamp is fixedly installed on the housing through the fastening bolts.
[0009] For the linear-push type electronic steering column lock of the present utility model as described above, further: a bottom plate is embedded and installed at the bottom of the outer shell, a rotating shaft rod located inside the outer shell is fixedly installed at the top of the bottom plate, and the worm gear is rotatably installed on the rotating shaft rod.
[0010] For the linear-push type electronic steering column lock of the present utility model as described above, further: a protective cover covering the worm gear is detachably installed inside the outer shell, and one end of the first spring facing the protective cover is fixedly connected to the protective cover.
[0011] For the linear-push type electronic steering column lock of the present utility model as described above, further: a sensor is embedded and installed on one side of the top of the protective cover, a control chip located on the top of the protective cover is detachably installed in the inner cavity of the outer shell, a pin housing is sleeved on the top of the control chip, a top cover is sleeved on the outside of the pin housing, and the top cover is embedded and installed on the inner side of the outer shell.
[0012] In summary, the beneficial effects of the present utility model are as follows:
[0013] 1. The present utility model adopts a structure design of linear push with automatic operation. The unlocking and locking of the locking pin are completely controlled by the driving structure, and the movement of the locking pin is controlled from beginning to end, so that the locking pin can only move along the set linear trajectory and can stay at any point, improving the accuracy of the steering column lock and the working stability of the steering column lock, and providing convenience for the user's work.
[0014] 2. Through the setting of the driving structure in the present utility model, after the stepping motor is powered on, it will start to work, and then generate power, then drive the worm to rotate, and then the worm will drive the worm gear to rotate, realizing the automatic opening of the steering column lock, and providing convenience for the user's work.
[0015] 3. Through the setting of the opening in the present utility model, the opening is communicated with the guiding groove and the inner cavity of the outer shell. Therefore, in actual work, the locking pin can move out from the opening to lock the steering column. In this way, the opening can play a role in guiding and limiting the movement of the locking pin, ensuring that the locking pin can be accurately locked on the steering column from the set position, improving the working stability of the steering column lock, and providing convenience for the user's work.
[0016] 4. Through the setting of the clamp and the fastening bolt in the present utility model, after the steering column lock is attached to the steering column, the clamp is also attached to the steering column, and after aligning with the steering column lock and inserting the fastening bolt and tightening it, the steering column lock can be quickly installed at the appropriate position on the steering column, improving the assembly efficiency of the steering column, and providing convenience for the user's installation work.
[0017] 5. Through the provision of the bottom plate, the bottom plate is installed at the bottom of the outer shell as a base, enabling the rotating shaft rod to be directly disassembled and withdrawn from the bottom of the outer shell during disassembly and maintenance work, providing convenience for the user's disassembly and maintenance work.
[0018] 6. Through the provision of the protective cover, the protective cover is used to protect the worm wheel, preventing other foreign objects from jamming into the worm wheel and the worm, ensuring the normal transmission work of the worm wheel and the worm, avoiding damage to the worm wheel and the worm caused by foreign objects, extending the service life of the worm wheel and the worm, and providing convenience for the user's work.
[0019] 7. Through the provision of the sensor, the control chip, the pin housing, and the top cover, the sensor is electrically connected to the stepper motor and also to the control chip. The control chip is used to connect to the external plug. In this way, power can be supplied to the stepper motor and the sensor through the control chip to ensure the normal operation of the sensor and the stepper motor. The sensor is used to control the opening and closing of the stepper motor. It should be noted that the model of the sensor is selected by the user according to the actual usage requirements and the products normally sold and circulated in the market, as long as the stepper motor can operate normally and the steering column lock can operate normally. The pin housing is sleeved on the pins of the control chip, and then the top cover is sleeved on the pin housing, thus forming a complete plug to ensure accurate docking with the external plug, providing convenience for the user's work. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.
[0021] Figure 1 It is a schematic diagram of the overall structure of the present invention;
[0022] Figure 2 It is a partial three-dimensional structure diagram of the present invention;
[0023] Figure 3 It is a partial three-dimensional structure exploded diagram of the present invention;
[0024] Figure 4 It is a partial three-dimensional structure bottom view of the present invention;
[0025] Figure 5 It is a three-dimensional structure exploded diagram of the present invention;
[0026] Figure 6It is a schematic upward view of the three-dimensional structure of the worm gear.
[0027] In the figure: 1. Outer shell, 2. Guide groove, 3. Limit sliding groove, 4. Lock pin, 5. Clamping block, 6. Spring 1, 7. Spring 2, 8. Worm gear, 9. Boss, 10. Guide groove, 11. Movable locking pin, 12. Stepper motor, 13. Worm, 14. Opening, 15. Clamp, 16. Fastening bolt, 17. Bottom plate, 18. Protective cover, 19. Sensor, 20. Control chip, 21. Pin housing, 22. Top cover. Specific implementation mode
[0028] Next, the technical solutions in the embodiments of the present invention will be described clearly and completely in conjunction with the attached Figure 1-6 , it is obvious that 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 making creative efforts belong to the protection scope of the present invention. Embodiment
[0029] A linear push type electronic steering column lock includes an outer shell 1. A guide groove 2 is opened at the bottom of the inner cavity of the outer shell 1. A limit sliding groove 3 is opened on one side of the inner cavity of the outer shell 1. A lock pin 4 is slidably installed inside the guide groove 2. A clamping block 5 adapted to the lock pin 4 is slidably installed up and down inside the limit sliding groove 3. A spring 1 6 is fixedly installed in an embedded manner at the top of the clamping block 5. A spring 2 7 is fixedly installed in an embedded manner on one side of the lock pin 4. One end of the spring 2 7 is fixedly installed on the inner wall of the outer shell 1. A worm gear 8 is rotatably installed inside the outer shell 1. A movable locking pin 11 is inserted into one side of the top of the lock pin 4. A guide groove 10 adapted to the movable locking pin 11 is opened at the bottom of the worm gear 8. A boss 9 adapted to the clamping block 5 is integrally formed at the top of the worm gear 8. A driving structure adapted to the worm gear 8 is arranged on one side of the inner cavity of the outer shell 1.
[0030] The specific use process is as follows: when starting the work, the stepper motor 12 is powered on to start working, the stepper motor 12 rotates to drive the worm 13 to rotate, and the worm 13 drives the worm wheel 8 to rotate. As the worm wheel 8 rotates, the active latch 11 whose end extends into the guide groove 10 is pushed by the internal shape of the guide groove 10 and slides toward the direction of the opening 14, and then the active latch 11 drives the locking pin 4 to slide inside the guide groove 2 in the direction of the opening 14. At the same time, the locking pin 4 will also stretch the spring 2 7, in which the bottom end of the original block 5 is stuck, and under the action of the spring 2 7, the active latch 11 will slide close to the inner wall of the guide groove 10, so the active latch 11 and the locking pin 4 will move with the rotation of the worm wheel 8, that is to say, the lock pin 4 and The movable latch 11 will move a certain stroke. When the worm gear 8 does not rotate, under the action of the spring 2 7, the movable latch 11 and the lock pin 4 will not rotate, and will temporarily stay at the current point, thereby achieving the purpose of staying at any point. Moreover, under the action of the guide groove 2 and the opening 14, it can also provide guidance and limit for the movement of the lock pin 4, thereby ensuring the stability of the lock pin 4 when working. When the worm gear 8 rotates, the boss 9 on the worm gear 8 will also change position accordingly. This is because with the rotation of the boss 9, the block 5 originally in the downhill position will gradually rise along the slope on the boss 9 under the action of the boss 9. That is to say, under the action of the boss 9, the block 5 will move up, and at this time the bottom end of the block 5 will move out from the inside of the lock pin 4, and then the lock pin 4 can move smoothly. It should be noted that, driven by the worm gear 8, the lock pin 4 and the block 5 move in coordination with each other. Specifically, driven by the worm gear 8 and the boss 9, the bottom end of the block 5 moves out of the lock pin 4, and the worm gear 8 can push the movable block pin 11 and the lock pin 4 to move under the action of the guide groove 10. The block 5 will compress the spring 16 while moving, and finally the end of the lock pin 4 moves out of the inner cavity of the guide groove 2 and passes through the opening 14 to lock the steering column. When unlocking, the stepper motor 12 is controlled to rotate in the opposite direction, and then the above-mentioned components work in the opposite direction, so that the lock pin 4 and the movable block pin 11 will be pulled back until the lock pin 4 pushes the steering column to be finally retracted into the guide groove 2, and finally the bottom end of the block 5 is clamped back to the inner side of the lock pin 4 to prevent the lock pin 4 from moving at will, thereby realizing the rotation. The unlocking of the steering column ensures that the user can drive the vehicle normally and also ensures the safety of the user driving the vehicle, providing convenience for the user's work and use. The stepper motor 12 will start working after being energized, and then generate power, and then drive the worm 13 to rotate, and then the worm 13 will drive the worm wheel 8 to rotate, so as to realize the automatic opening of the steering column lock, providing convenience for the user's work and use. The opening 14 is connected with the guide groove 2 and the inner cavity of the shell 1. Therefore, in actual work, the lock pin 4 can be moved out of the opening 14 to lock the steering column. In this way, the opening 14 can play a guiding and limiting role in the movement of the lock pin 4, ensuring that the lock pin 4 can be accurately locked on the steering column from the set position, improving the working stability of the steering column lock, and providing convenience for the user's work and use.After the steering column lock is fitted to the steering column, the clamp 15 is also fitted to the steering column. After aligning with the steering column lock, the fastening bolt 16 is inserted and tightened, so that the steering column lock can be quickly installed at the appropriate position on the steering column, improving the assembly efficiency of the steering column and providing convenience for the user's installation work. The bottom plate 17 is installed at the bottom of the housing 1 as a base, enabling the rotating shaft rod to be directly disassembled and pulled out from the bottom of the housing 1 during disassembly and maintenance work, providing convenience for the user's disassembly and maintenance work. It should be noted that the circuit connection and the power supply path in this solution are all prior arts and will not be elaborated much in this text. The user can decide according to the actual situation and prior arts, as long as it can meet the working requirements of the steering column lock.,
[0031] Therefore, an automatic working linear pushing structural design is adopted. The unlocking and locking of the lock pin are completely controlled by the driving structure, and the movement of the lock pin is controlled from beginning to end, so that the lock pin can only move along the set linear trajectory and can stay at any position point, improving the accuracy of the steering column lock and the working stability of the steering column lock, and providing convenience for the user's work and use.
[0032] The driving structure includes a stepping motor 12 detachably installed in the housing 1, and a worm 13 fixedly installed on the output shaft of the stepping motor 12 and meshing with the worm wheel 8.
[0033] Specifically, with the setting of the driving structure, after the stepping motor 12 is powered on, it will start to work, and then generate power, then drive the worm 13 to rotate, and then the worm 13 will drive the worm wheel 8 to rotate, realizing the automatic opening work of the steering column lock, providing convenience for the user's work and use.
[0034] An opening 14 communicating with the guiding groove 2 is provided on one side of the housing 1, and the opening 14 is adapted to the lock pin 4.
[0035] Specifically, with the setting of the opening 14, the opening 14 communicates with the guiding groove 2 and the inner cavity of the housing 1. Therefore, in actual work, the lock pin 4 can move out from the opening 14 to lock the steering column. In this way, the opening 14 can play a role in guiding and limiting the movement of the lock pin 4, ensuring that the lock pin 4 can be accurately locked on the steering column from the set position, improving the working stability of the steering column lock, and providing convenience for the user's work and use.
[0036] A clamp 15 is provided on one side of the housing 1. Both ends of one side of the clamp 15 are provided with through fastening bolts 16, and the clamp 15 is fixedly installed on the housing 1 through the fastening bolts 16.
[0037] Specifically, with the setting of the clamp 15 and the fastening bolt 16, after the steering column lock is fitted to the steering column, the clamp 15 is also fitted to the steering column. After aligning with the steering column lock, the fastening bolt 16 is inserted and tightened, so that the steering column lock can be quickly installed at the appropriate position on the steering column, improving the assembly efficiency of the steering column and providing convenience for the user's installation work.
[0038] A bottom plate 17 is embedded and installed at the bottom of the housing 1. A rotating shaft rod located inside the housing 1 is fixedly installed at the top of the bottom plate 17. The worm gear 8 is rotatably installed on the rotating shaft rod.
[0039] Specifically, with the setting of the bottom plate 17, the bottom plate 17 is installed at the bottom of the housing 1 as a base, so that the rotating shaft rod can be directly disassembled and pulled out from the bottom of the housing 1 during disassembly and maintenance work, providing convenience for the user's disassembly and maintenance work.
[0040] A protective cover 18 covering the worm gear 8 is detachably installed inside the housing 1. One end of the first spring 6 facing the protective cover 18 is fixedly connected to the protective cover 18.
[0041] Specifically, with the setting of the protective cover 18, the protective cover 18 is used to protect the worm gear 8, preventing other foreign objects from jamming into the worm gear 8 and the worm 13, ensuring that the worm gear 8 and the worm 13 can work normally in transmission, and also avoiding damage to the worm gear 8 and the worm 13 caused by foreign objects, extending the service life of the worm gear 8 and the worm 13, and providing convenience for the user's work and use.
[0042] A sensor 19 is embedded and installed on one side of the top of the protective cover 18. A control chip 20 located on the top of the protective cover 18 is detachably installed in the inner cavity of the housing 1. A pin housing 21 is sleeved on the top of the control chip 20. A top cover 22 is sleeved on the outside of the pin housing 21. The top cover 22 is embedded and installed on the inner side of the housing 1.
[0043] Specifically, with the settings of the sensor 19, the control chip 20, the pin housing 21 and the top cover 22, the sensor 19 is electrically connected to the stepper motor 12, and the sensor 19 is also electrically connected to the control chip 20. The control chip 20 is used to connect to an external plug. In this way, the control chip 20 can supply power to the stepper motor 12 and the sensor 19 to ensure the normal operation of the sensor 19 and the stepper motor 12. Among them, the sensor 19 is used to control the opening and closing of the stepper motor 12. It should be noted that the model selection of the sensor 19 is determined by the user according to the actual usage requirements and the normal sales and circulation in the market, as long as the stepper motor 12 can operate normally and the steering column lock can operate normally. The pin housing 21 is sleeved on the pins of the control chip 20, and then the top cover 22 is sleeved on the pin housing 21. In this way, a complete plug can be formed to ensure accurate docking with the external plug, providing convenience for the user's work and use.
[0044] It should be noted that there are a large number of mature technologies to support the functions to be realized by each hardware in the present invention, which belong to the prior art. The essence of the present invention lies in optimizing the combination of the existing hardware and its connection mode for a specific application occasion to meet the adaptation requirements in the specific application occasion and solve the problems raised in the background art (without involving the improvement of the internal software of the hardware).
[0045] 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. A linear push-type electronic steering column lock, comprising a housing (1), characterized in that: A guiding groove (2) is provided at the bottom of the inner cavity of the housing (1), a limiting sliding groove (3) is provided on one side of the inner cavity of the housing (1), a locking pin (4) is slidably installed inside the guiding groove (2), a clamping block (5) adapted to the locking pin (4) is slidably installed up and down inside the limiting sliding groove (3), a first spring (6) is fixedly installed in an embedded manner at the top of the clamping block (5), a second spring (7) is fixedly installed in an embedded manner on one side of the locking pin (4), one end of the second spring (7) is fixedly installed on the inner wall of the housing (1), a worm gear (8) is rotatably installed inside the housing (1), a movable locking pin (11) is inserted into one side of the top of the locking pin (4), a guiding groove (10) adapted to the movable locking pin (11) is provided at the bottom of the worm gear (8), a boss (9) adapted to the clamping block (5) is integrally formed at the top of the worm gear (8), and a driving structure adapted to the worm gear (8) is provided on one side of the inner cavity of the housing (1).
2. The linear push type electronic steering column lock according to claim 1, characterized in that: The driving structure includes a stepping motor (12) detachably installed inside the housing (1), and a worm (13) engaged with the worm gear (8) is fixedly installed on the output shaft of the stepping motor (12).
3. The linear-push type electric steering column lock according to claim 2, characterized in that: An opening (14) communicating with the guiding groove (2) is provided on one side of the housing (1), and the opening (14) is adapted to the locking pin (4).
4. The linear push type electronic steering column lock according to claim 3, characterized in that: A clamp (15) is provided on one side of the housing (1), fastening bolts (16) are respectively penetrated through both ends on one side of the clamp (15), and the clamp (15) is fixedly installed on the housing (1) through the fastening bolts (16).
5. The linear push type electronic steering column lock according to claim 4, characterized in that: A bottom plate (17) is embedded and installed at the bottom of the housing (1), a rotating shaft rod located inside the housing (1) is fixedly installed on the top of the bottom plate (17), and the worm gear (8) is rotatably installed on the rotating shaft rod.
6. The linear push type electric steering column lock according to claim 5, characterized in that: A protective cover (18) covering the worm gear (8) is detachably installed inside the housing (1), and one end of the first spring (6) facing the protective cover (18) is fixedly connected to the protective cover (18).
7. A linear push type electronic steering column lock according to claim 6, characterized in that: A sensor (19) is embedded and installed on one side of the top of the protective cover (18), a control chip (20) located on the top of the protective cover (18) is detachably installed in the inner cavity of the housing (1), a pin housing (21) is sleeved on the top of the control chip (20), a top cover (22) is sleeved on the outside of the pin housing (21), and the top cover (22) is embedded and installed inside the housing (1).