Steering column locking structure and automobile with same

Abstract

The steering column locking structure comprises a body base, a front-back locking assembly and an up-down locking assembly, the front-back locking assembly comprises a first locking driving part, a front-back locking part and a locked part, the first locking driving part is installed on the body base, the locked part is used for being connected to the rotating end of a rotating column, and the first locking driving part is installed on the body base. One end of the first locking driving piece is connected with the front-back locking piece, and the first locking driving piece is used for driving the front-back locking piece to lock or unlock the rotating end of the rotating column through the locked piece; the up-and-down locking assembly comprises a second locking driving piece, an up-and-down locking piece and an outer side slide way support, the second locking driving piece is installed on the body base, the outer side slide way support is in sliding connection with the body base, one end of the second locking driving piece is connected with the up-and-down locking piece, and the other end of the second locking driving piece is connected with the up-and-down locking piece. And the driving part is used for driving the upper and lower locking parts to lock or unlock the body base through the outer side slide way bracket. According to the invention, the front and rear locking assemblies and the upper and lower locking assemblies are designed for locking or unlocking, so that the reliability and the stability are higher.

Description

Technical Field

[0001] The present application relates to the automotive field, and in particular to a steering column locking structure and a vehicle thereof. Background Art

[0002] With the rapid development of the automobile industry, the requirements for comfort in the cab are constantly increasing, and steering wheel adjustment is an indispensable requirement for customers. Steering wheel adjustment can meet the needs of drivers of different body shapes for the upper and lower space between the steering wheel and the driver, so that the driver can adjust the distance between the seat and the steering wheel while maintaining comfortable leg space. There are basically two ways to adjust the rotation of the steering column. The first is to simply generate axial pressure by rotating the handle to directly compress the rotating end 3 of the rotating column. The second is to connect the rotating end 3 of the rotating column through the friction plate, and compress the friction plate by a cylinder or a handle, so that the friction plate generates a sufficiently large friction force and cannot move, thereby controlling the rotating end 3 of the rotating column to be unable to move.

[0003] The first structure is relatively simple, but the steering column needs to be locked by operating the handle, and cannot be directly driven by the cylinder, which is not as convenient as pneumatic adjustment. In addition, manual locking of the steering column requires a large operating force, and it is easy to get loose when the locking force is insufficient, which is not safe enough.

[0004] Although the second solution can be driven by a cylinder and is simple to operate, it has a more complex structure and a relatively high weight cost. When the steering wheel is adjusted, the friction surface of the friction plate and the contact shaft repeatedly move and rub against each other, which will reduce the friction force and cause the locking force to decrease, making it easy to loosen and not safe enough. Summary of the invention

[0005] The present application provides a steering column locking structure and a vehicle thereof, which can solve the problem in the related art that the steering column is easy to loosen when locked and is not safe enough.

[0006] In a first aspect, an embodiment of the present application provides a steering column locking structure, which includes: a main body base, a front and rear locking assembly and an upper and lower locking assembly, the front and rear locking assembly including a first locking drive member, a front and rear locking member and a locked member, the first locking drive member being installed on the main body base, the locked member being used to be connected to the rotating end of the rotating column, one end of the first locking drive member being connected to the front and rear locking members, and being used to drive the front and rear locking members to lock or unlock the rotating end of the rotating column through the locked member; the upper and lower locking assembly including a second locking drive member, an upper and lower locking member and an outer slide bracket, the second locking drive member being installed on the main body base, the outer slide bracket being slidably connected to the main body base, one end of the second locking drive member being connected to the upper and lower locking members, and being used to drive the upper and lower locking members to lock or unlock the main body base through the outer slide bracket.

[0007] In combination with the first aspect, in one embodiment, the front and rear locking members include: a connecting rod and front and rear fixing teeth, one end of the connecting rod is connected to the first locking drive member; the front and rear fixing teeth are rotatably connected to the main body base, and the other end of the connecting rod is connected to the front and rear fixing teeth, and the front and rear fixing teeth are connected to the locked member.

[0008] In combination with the first aspect, in one embodiment, the locked member includes a rack fixed to the rotating end of the rotating column, and the rack is meshed with front and rear fixed teeth.

[0009] In combination with the first aspect, in one embodiment, an eccentric pin is fixedly connected to one end of the connecting rod, and the eccentric pin passes through the main body base and is slidably connected to the through slots on the front and rear fixed teeth.

[0010] In combination with the first aspect, in one embodiment, the front and rear locking assembly further includes a front and rear return spring, one end of which is used to connect to the rotating end of the rotating column, and the other end of which is connected to the body base.

[0011] In combination with the first aspect, in one embodiment, the first locking drive member includes a front-rear adjusting cylinder, one end of the front-rear adjusting cylinder is fixed to the body base, and the other end is hinged to the front-rear locking members.

[0012] In combination with the first aspect, in one embodiment, the outer slide bracket is sleeved on the main body base and is slidably connected to the main body base.

[0013] In combination with the first aspect, in one embodiment, the upper and lower locking members include a push rod, one end of which is rotatably connected to the main body base, and the other end is connected to the second locking drive member, and the push rod is arranged between the second locking drive member and the outer slide bracket.

[0014] In combination with the first aspect, in one embodiment, the second locking drive member includes an up-and-down adjustment cylinder, the up-and-down adjustment cylinder includes a cylinder body, an output end of the cylinder body is fixedly connected to a cylinder bayonet, and a retaining spring is provided between the cylinder bayonet and the cylinder body;

[0015] An up and down return spring is arranged between the main body base and the outer slideway bracket.

[0016] In a second aspect, an embodiment of the present application provides a car, comprising: a steering column locking structure as described above.

[0017] The beneficial effects brought by the technical solution provided in the embodiments of the present application include:

[0018] The embodiment of the present application provides a steering column locking structure and a vehicle thereof, and designs front and rear locking assemblies so that the first locking driving member drives the front and rear locking members to lock or unlock the rotating end of the rotating column through the locked member, and designs upper and lower locking assemblies. The second locking driving member drives the upper and lower locking members to lock or unlock the main body base through the outer slide bracket. Compared with manual locking and friction plate locking mechanisms, it has higher reliability and stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0020] Figure 1 A steering column locking structure provided in an embodiment of the present application;

[0021] Figure 2 A schematic diagram of an eccentric pin provided in an embodiment of the present application;

[0022] Figure 3 A schematic diagram of a rotating fixed tooth and a rack provided in an embodiment of the present application;

[0023] Figure 4 A schematic diagram of the front and rear return springs provided in an embodiment of the present application;

[0024] Figure 5 A schematic diagram of the upper and lower locking components provided in an embodiment of the present application;

[0025] Figure 6 A schematic diagram of an outer slide bracket and a main body base provided in an embodiment of the present application;

[0026] Figure 7 A schematic diagram of the upper and lower return springs provided in the embodiment of the present application;

[0027] Figure 8 A top view of the outer slide bracket and the main body base provided in an embodiment of the present application;

[0028] Fig. 9 A schematic diagram of an outer slide bracket, a main body base and a push rod provided in an embodiment of the present application;

[0029] Fig.10 A schematic diagram of the rotating end of a rotating column provided in an embodiment of the present application;

[0030] Fig.11 A schematic diagram of a main body base provided in an embodiment of the present application;

[0031] Fig.12A schematic diagram of a rack provided in an embodiment of the present application;

[0032] Fig.13 A schematic diagram of front and rear fixed teeth provided in an embodiment of the present application;

[0033] Fig.14 A schematic diagram of a front and rear adjustment cylinder provided in an embodiment of the present application;

[0034] Fig.15 A schematic diagram of a connecting rod provided in an embodiment of the present application;

[0035] Fig.16 A schematic diagram of an up and down adjustment cylinder provided in an embodiment of the present application;

[0036] Fig.17 Schematic diagram of the up and down adjustment cylinder provided in an embodiment of the present application.

[0037] In the figure: 1, front and rear locking assembly; 10, front and rear adjustment cylinder; 11, connecting rod; 110, eccentric pin; 12, front and rear fixed teeth; 13, rack; 14, front and rear return springs;

[0038] 2. Upper and lower locking components; 20. Outer slide bracket; 21. Push rod; 22. Upper and lower adjustment cylinder; 220. Cylinder body; 221. Cylinder bayonet; 222. Circlip; 23. Upper and lower return springs;

[0039] 3. Rotating end of rotating column;

[0040] 4. Main body base. DETAILED DESCRIPTION

[0041] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0042] See also Figures 1 to 17 The embodiment of the present application provides a steering column locking structure and a vehicle thereof, which can solve the problem in the related art that the steering column is easy to loosen when locked and is not safe enough.

[0043] There are basically two ways to adjust the rotation of the steering column. The first is to simply generate axial pressure by rotating the handle to directly press the rotating end 3 of the rotating column. The second is to connect the rotating end 3 of the rotating column through a friction plate, and press the friction plate through a cylinder or a handle to make the friction plate generate a sufficiently large friction force to prevent it from moving, thereby controlling the rotating end 3 of the rotating column to be unable to move.

[0044] The first structure is relatively simple, but the steering column needs to be locked by operating the handle, and cannot be directly driven by the cylinder, which is not as convenient as pneumatic adjustment. In addition, manual locking of the steering column requires a large operating force, and it is easy to get loose when the locking force is insufficient, which is not safe enough.

[0045] Although the second solution can be driven by a cylinder and is simple to operate, it has a more complex structure and a relatively high weight cost. When the steering wheel is adjusted, the friction surface of the friction plate and the contact shaft repeatedly move and rub against each other, which will reduce the friction force and cause the locking force to decrease, making it easy to loosen and not safe enough.

[0046] The invention aims at the problem that the steering column is easy to loosen when locked and the safety is not enough. In the first aspect, the embodiment of the present application provides a steering column locking structure, which includes: a body base 4, a front and rear locking assembly 1 and an upper and lower locking assembly 2, wherein the front and rear locking assembly 1 includes a first locking driver, a front and rear locking member and a locked member, wherein the first locking driver is installed on the body base 4, and the locked member is used to be connected to the rotating end 3 of the rotating column, and one end of the first locking driver is connected to the front and rear locking members, and is used to drive the front and rear locking members to lock or unlock the rotating end 3 of the rotating column through the locked member; the upper and lower locking assembly 2 includes a second locking driver, an upper and lower locking member and an outer slide bracket 20, wherein the second locking driver is installed on the body base 4, and the outer slide bracket 20 is slidably connected to the body base 4, and one end of the second locking driver is connected to the upper and lower locking members, and is used to drive the upper and lower locking members to lock or unlock the body base 4 through the outer slide bracket 20.

[0047] In the present application, a front and rear locking assembly 1 is designed so that the first locking driving member drives the front and rear locking members to lock or unlock the rotating end 3 of the rotating column through the locked member, and an upper and lower locking assembly 2 is designed, and the second locking driving member drives the upper and lower locking members to lock or unlock the main body base 4 through the outer slide bracket 20. Compared with manual locking and friction plate locking mechanisms, it has higher reliability and stability.

[0048] That is to say, when the rotating column moves forward and backward, the front and rear locking components 1 are unlocked from the rotating end 3 of the rotating column; when the rotating column needs to be fixed, the front and rear locking components 1 lock the rotating end 3 of the rotating column; when the rotating column needs to move up and down, it drives the main body base 4 to move together, and the upper and lower locking components 2 and the outer slide bracket 20 are in an unlocked state; when the rotating column does not need to move up and down, the upper and lower locking components 2 and the outer slide bracket 20 are in a locked state.

[0049] Among them, when the front and rear locking components 1 are in use, the first locking driving component works to drive the front and rear locking components to move until the front and rear locking components are locked or separated from the locked components; when the upper and lower locking components 2 are in use, the second locking driving component works to drive the upper and lower locking components to move until the upper and lower locking components are locked or separated from the outer slide.

[0050] In this embodiment, in order to improve the reliability of locking, the first locking drive component is set to be a front-rear adjustment cylinder 10, and the second locking drive component is set to be an up-and-down adjustment cylinder 22.

[0051] On the basis of the above embodiments, in this embodiment, the front and rear locking members include: a connecting rod 11 and front and rear fixing teeth 12, one end of the connecting rod 11 is connected to the first locking drive member; the front and rear fixing teeth 12 are rotatably connected to the main body base 4, and the other end of the connecting rod 11 is connected to the front and rear fixing teeth 12, and the front and rear fixing teeth 12 are connected to the locked member.

[0052] In this embodiment, the front and rear adjustment cylinder 10 is installed on the main body base 4, and its output end is hinged with the connecting rod 11. The connecting rod 11 is also installed on the main body base 4 and is rotatably connected with the main body base 4. One end of the connecting rod 11 is connected to the front and rear adjustment cylinder 10, and the other end is connected to the front and rear fixed teeth 12. Further, a through groove is provided on the front and rear fixed teeth 12, and the through groove is an oblong hole. An eccentric pin 110 is fixedly connected at one end of the connecting rod 11, and the eccentric pin 110 passes through the main body base 4 and is slidably connected to the through groove on the front and rear fixed teeth 12. One end of the front and rear fixed teeth 12 is rotatably connected with the main body base 4, and the other end is provided with a tooth groove. The connecting rod 11 is connected to one end of the front and rear fixed teeth 12 provided with a tooth groove.

[0053] When the front and rear locking assembly 1 is working, the pneumatic button is first pressed, and the output end of the front and rear adjusting cylinder 10 is extended or shortened; wherein, in this embodiment, when the output end of the front and rear adjusting cylinder 10 is extended, the connecting rod 11 is driven to rotate counterclockwise, and when the output end of the front and rear adjusting cylinder 10 is shortened, the connecting rod 11 is driven to rotate clockwise. It should be noted that in other embodiments, it can also be set that when the output end of the front and rear adjusting cylinder 10 is extended, the connecting rod 11 is driven to rotate clockwise, and when the output end of the front and rear adjusting cylinder 10 is shortened, the connecting rod 11 is driven to rotate counterclockwise. Since the connecting rod 11 is installed on the body base 4, and the connecting rod 11 has an eccentric pin 110 structure, the eccentric pin 110 rotates when the connecting rod 11 rotates, and the eccentric pin 110 cooperates with the oblong hole on the front and rear fixed teeth 12. When the eccentric pin 110 moves forward and backward, it slides in the oblong hole of the front and rear fixed teeth 12, thereby driving the end of the front and rear fixed teeth 12 provided with the tooth groove to swing toward the side close to the locked part or away from the locked part.

[0054] On the basis of the above embodiment, in this embodiment, the locked member includes a rack 13 fixed on the rotating end 3 of the rotating column, and the rack 13 is meshed with the front and rear fixed teeth 12 .

[0055] In this embodiment, the rack 13 is fixedly connected to the surface of the rotating end 3 of the rotating column. Since the front and rear fixed teeth 12 have tooth grooves that can mesh with the rack 13, the rack 13 is installed and fixed on the rotating end 3 of the rotating column, and the rotating shaft of the rotating end 3 of the rotating column is installed on the body base 4. When the end of the front and rear fixed teeth 12 with the tooth grooves swings toward the side away from the rack 13, the front and rear fixed teeth 12 are disengaged from the rack 13, so that the rotating end 3 of the rotating column can rotate freely around the rotation axis, realizing the front and rear adjustment function of the steering wheel; when the end of the front and rear fixed teeth 12 with the tooth grooves swings toward the side close to the rack 13, the front and rear fixed teeth 12 mesh with the rack 13, so that the rotating end 3 of the rotating column can be locked and fixed, realizing the front and rear locking function of the steering wheel.

[0056] Furthermore, tooth grooves on the front and rear fixed teeth 12 are provided with tooth side slopes, and tooth side slopes are also provided on the rack 13. When the rack 13 is at any position during the front and rear adjustment, as the front and rear fixed teeth 12 are pressed against the rack 13, the tooth side slopes of the front and rear fixed teeth 12 gradually slide into the tooth side slopes of the rack 13. When the tooth side slopes of the rack 13 are subjected to force, the rotating end 3 of the rotating column and the rack 13 are rotated together by a small angle, so that the front and rear fixed teeth 12 and the rack 13 are automatically aligned and meshed.

[0057] On the basis of the above embodiments, in this embodiment, the front and rear locking assembly 1 further includes a front and rear return spring 14 , one end of which is used to connect to the rotating end 3 of the rotating column, and the other end is connected to the main body base 4 .

[0058] In this embodiment, the rotating end 3 of the rotating column moves forward and backward relative to the main body base 4. In order to prevent the steering wheel from deviating from the designed position, a front and rear return spring 14 is connected between one end of the front and rear return spring 14 and the main body base 4. When using the front and rear adjustment function of the steering wheel, if the steering wheel deviates from the designed position, the front and rear return spring 14 can be used to pull the steering wheel back to its original position for easy use.

[0059] Based on the above embodiments, in this embodiment, see Figure 8 As shown, the outer slide bracket 20 is sleeved on the main body base 4 and is slidably connected to the main body base 4.

[0060] In this embodiment, a protruding structure is provided on both sides of the main body base 4, and a curling structure is provided on both sides of the outer slide bracket. The protruding structure of the main body base 4 cooperates with the curling structures on both sides of the outer slide bracket 20 to enable the main body base 4 to slide up and down to limit the position.

[0061] On the basis of the above embodiment, in this embodiment, the second locking drive member includes an up-and-down adjustment cylinder 22. The up-and-down locking member includes a push rod 21, one end of which is rotatably connected to the body base 4, and the other end is connected to the second locking drive member, and the push rod 21 is arranged between the second locking drive member and the outer slide bracket 20.

[0062] In this embodiment, the up and down adjusting cylinder 22 is horizontally arranged, one end of which is connected to the push rod 21, and the other end of the push rod 21 is rotatably connected to the main body base 4. Specifically, the rotating shaft below the push rod 21 is connected to the main body base 4. Therefore, when the output shaft of the up and down adjusting cylinder 22 is extended, one end of the push rod 21 is pushed to rotate so that the other end of the push rod 21 is against the outer slide bracket 20; when the output shaft of the up and down adjusting cylinder 22 is shortened, one end of the push rod 21 is driven to rotate in the opposite direction so that the other end of the push rod 21 is away from the outer slide bracket 20.

[0063] In other embodiments, one end of the push rod 21 is provided with a sliding connection with the main body base 4. When the output shaft of the up-and-down adjusting cylinder 22 is extended, one end of the push rod 21 is pushed to move toward the side close to the outer slide bracket 20 so that the push rod 21 supports the outer slide bracket 20; when the output shaft of the up-and-down adjusting cylinder 22 is shortened, one end of the push rod 21 is pulled to move toward the side away from the outer slide bracket 20 so that the push rod 21 is away from the outer slide bracket 20.

[0064] Furthermore, an anti-skid layer is provided on the side of the push rod 21 close to the outer slide bracket 20, and an anti-skid layer is also provided on the side of the outer slide bracket 20 close to the push rod 21, so that the push rod 21 can better support the outer slide bracket 20 and increase the anti-skid performance.

[0065] The up-and-down regulating cylinder 22 comprises a cylinder body 220 , an output end of the cylinder body 220 is fixedly connected with a cylinder bayonet 221 , and a retaining spring 222 is provided between the cylinder bayonet 221 and the cylinder body 220 .

[0066] Specifically, the upper end of the push rod 21 is connected to the cylinder body 220 through the cylinder pin 221 and the retaining spring 222. When the upper and lower locking assemblies 2 are locked, the cylinder body 220 pushes the push rod 21, and the push rod 21 rotates around the rotating shaft connected to the main body base 4 at the bottom end, or the push rod 21 slides on the main body base 4, and then the raised surface in the middle of the push rod 21 is pressed against the outer slide bracket 20, limiting the up and down movement of the main body base 4 and the outer slide bracket 20, thereby achieving the purpose of up and down locking. When unlocking, the cylinder body 220 contracts, the push rod 21 moves in the opposite direction, and breaks contact with the outer slide bracket 20, and the main body base 4 and the outer slide bracket 20 resume up and down movement.

[0067] Furthermore, a square limit block is designed on the cylinder pin 221. When the cylinder body 220 is extended, the push rod 21 is tilted to press the body base 4, and the limit block slides in the square groove of the push rod 21. Compared with the traditional round pin structure, the advantage of this structure is that the contact area between the pin and the groove is increased, and the stress on the cylinder pin 221 is reduced, thereby preventing the cylinder pin 221 from being damaged due to excessive force. The change from point contact to line contact reduces the wear of the cylinder pin 221, thereby avoiding the problem of abnormal noise caused by gaps caused by wear of the cylinder pin 221 due to long-term use.

[0068] On the basis of the above embodiment, in this embodiment, an up and down return spring 23 is provided between the main body base 4 and the outer slide bracket 20. When the up and down adjustment function of the steering wheel is used, if the steering wheel deviates from the designed position, the up and down return spring 23 can be used to pull the steering wheel back to the original position, which is convenient for use.

[0069] In summary, in this application, the front and rear locking assembly 1 of "front and rear adjustment cylinder 10-connecting rod 11-front and rear fixed teeth 12-rack 13" is designed to realize the front and rear adjustment function of the steering column. The matching structure of the eccentric pin 110 of the connecting rod 11 and the oblong hole of the rotating gear is cleverly designed to convert the rotation of the connecting rod 11 into the front and rear movement of the eccentric pin 110, and the front and rear movement of the eccentric pin 110 is converted into the rotation of the front and rear fixed teeth 12 through the oblong hole. Compared with the friction plate locking mechanism of the transmission, it has higher reliability and stability, smaller mechanism movement envelope, and is more conducive to space layout;

[0070] The upper and lower locking assembly 2 of "up and down adjustment cylinder 22-rod 21-outer slide bracket 20" is designed to realize the up and down adjustment function of the steering column. The cylinder bayonet 221 is cleverly designed to connect the cylinder with the push rod 21, and the square limit block is used to cooperate with the slide groove to reduce the stress on the bayonet, avoid damage due to excessive force, reduce the wear of the cylinder bayonet 221, and avoid abnormal noise.

[0071] At the same time, the up-and-down adjustment and front-and-back adjustment mechanisms respectively adopt the structures of the front-and-back return springs 14 and the up-and-down return springs 23, which are more convenient to operate.

[0072] In a second aspect, an embodiment of the present application provides a car, which includes the steering column locking structure provided by any of the above embodiments of the present application.

[0073] Among them, a steering column locking structure includes: a main body base 4, a front and rear locking assembly 1 and an upper and lower locking assembly 2, the front and rear locking assembly 1 includes a first locking drive member, a front and rear locking member and a locked member, the first locking drive member is installed on the main body base 4, the locked member is used to be connected to the rotating end 3 of the rotating column, one end of the first locking drive member is connected to the front and rear locking members, and is used to drive the front and rear locking members to lock or unlock the rotating end 3 of the rotating column through the locked member; the upper and lower locking assembly 2 includes a second locking drive member, an upper and lower locking member and an outer slide bracket 20, the second locking drive member is installed on the main body base 4, the outer slide bracket 20 is slidably connected to the main body base 4, one end of the second locking drive member is connected to the upper and lower locking members, and is used to drive the upper and lower locking members to lock or unlock the main body base 4 through the outer slide bracket 20.

[0074] On the basis of the above embodiments, in this embodiment, the front and rear locking members include a connecting rod 11 and front and rear fixing teeth 12, one end of the connecting rod 11 is connected to the first locking drive member; the front and rear fixing teeth 12 are rotatably connected to the main body base 4, and the other end of the connecting rod 11 is connected to the front and rear fixing teeth 12, and the front and rear fixing teeth 12 are connected to the locked member.

[0075] On the basis of the above embodiment, in this embodiment, the locked member includes a rack 13 fixed on the rotating end 3 of the rotating column, and the rack 13 is meshed with the front and rear fixed teeth 12 .

[0076] On the basis of the above embodiment, in this embodiment, one end of the connecting rod 11 is fixedly connected with an eccentric pin 110 , and the eccentric pin 110 passes through the main body base 4 and is slidably connected with the through slots on the front and rear fixed teeth 12 .

[0077] On the basis of the above embodiments, in this embodiment, the front and rear locking assembly 1 further includes a front and rear return spring 14 , one end of which is used to connect to the rotating end 3 of the rotating column, and the other end is connected to the main body base 4 .

[0078] On the basis of the above-mentioned embodiment, in this embodiment, the first locking driving member comprises a front-rear adjusting cylinder 10, one end of the front-rear adjusting cylinder 10 is fixed on the main body base 4, and the other end is hinged to the front-rear locking members.

[0079] On the basis of the above-mentioned embodiment, in this embodiment, the outer slide bracket 20 is sleeved on the main body base 4 and is slidably connected to the main body base 4 .

[0080] Based on the above embodiments, in this embodiment, the upper and lower locking members include a push rod 21, one end of which is rotatably connected to the main body base 4, and the other end is connected to the second locking drive member. The push rod 21 is arranged between the second locking drive member and the outer slide bracket 20.

[0081] On the basis of the above embodiment, in this embodiment, the second locking driving member includes an up-and-down adjusting cylinder 22, the up-and-down adjusting cylinder 22 includes a cylinder body 220, the output end of the cylinder body 220 is fixedly connected with a cylinder bayonet 221, and a clamping spring 222 is provided between the cylinder bayonet 221 and the cylinder body 220;

[0082] An up-and-down return spring 23 is provided between the main body base 4 and the outer slideway bracket 20 .

[0083] In the present application, a front and rear locking assembly 1 is designed so that the first locking driving member drives the front and rear locking members to lock or unlock the rotating end 3 of the rotating column through the locked member, and an upper and lower locking assembly 2 is designed, and the second locking driving member drives the upper and lower locking members to lock or unlock the main body base 4 through the outer slide bracket 20. Compared with manual locking and friction plate locking mechanisms, it has higher reliability and stability.

[0084] In this application, the front and rear locking assembly 1 of "front and rear adjustment cylinder 10-connecting rod 11-front and rear fixed teeth 12-rack 13" is designed to realize the front and rear adjustment function of the steering column. The matching structure of the eccentric pin 110 of the connecting rod 11 and the oblong hole of the rotating gear is cleverly designed to convert the rotation of the connecting rod 11 into the front and rear movement of the eccentric pin 110, and the front and rear movement of the eccentric pin 110 is converted into the rotation of the front and rear fixed teeth 12 through the oblong hole. Compared with the friction plate locking mechanism of the transmission, it has higher reliability and stability, smaller mechanism movement envelope, and is more conducive to space layout;

[0085] The upper and lower locking assembly 2 of "up and down adjustment cylinder 22-rod 21-outer slide bracket 20" is designed to realize the up and down adjustment function of the steering column. The cylinder bayonet 221 is cleverly designed to connect the cylinder with the push rod 21, and the square limit block is used to cooperate with the slide groove to reduce the stress on the bayonet, avoid damage due to excessive force, reduce the wear of the cylinder bayonet 221, and avoid abnormal noise.

[0086] At the same time, the up-and-down adjustment and front-and-back adjustment mechanisms respectively adopt the structures of the front-and-back return springs 14 and the up-and-down return springs 23, which are more convenient to operate.

[0087] In the description of the present application, it should be noted that the terms "upper", "lower", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. Unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0088] It should be noted that, in this application, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

[0089] The above description is only a specific implementation of the present application, so that those skilled in the art can understand or implement the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest range consistent with the principles and novel features applied for herein.

Claims

1. A steering column locking structure, characterized in that: It includes: Body base (4); A front and rear locking assembly (1), the front and rear locking assembly (1) comprising a first locking driving member, front and rear locking members and a locked member, the first locking driving member being mounted on a body base (4), the locked member being used to be connected to a rotating end (3) of a rotating column, one end of the first locking driving member being connected to the front and rear locking members and being used to drive the front and rear locking members to lock or unlock the rotating end (3) of the rotating column through the locked member; An upper and lower locking assembly (2), the upper and lower locking assembly (2) comprising a second locking drive, upper and lower locking members and an outer slide bracket (20), the second locking drive being mounted on a main body base (4), the outer slide bracket (20) being slidably connected to the main body base (4), one end of the second locking drive being connected to the upper and lower locking members, and being used to drive the upper and lower locking members to lock or unlock the main body base (4) through the outer slide bracket (20).

2. The steering column locking structure according to claim 1, characterized in that: The front and rear locking members include: A connecting rod (11), one end of which is connected to the first locking drive member; Front and rear fixing teeth (12), the front and rear fixing teeth (12) are rotatably connected to the main body base (4), and the other end of the connecting rod (11) is connected to the front and rear fixing teeth (12), and the front and rear fixing teeth (12) are connected to the locked member.

3. The steering column locking structure according to claim 2, characterized in that: The locked member comprises a rack (13) fixed on the rotating end (3) of the rotating column, and the rack (13) is meshed with the front and rear fixed teeth (12).

4. The steering column locking structure according to claim 2, characterized in that: An eccentric pin (110) is fixedly connected to one end of the connecting rod (11), and the eccentric pin (110) passes through the main body base (4) and is slidably connected to the through slots on the front and rear fixed teeth (12).

5. The steering column locking structure according to claim 1, characterized in that: The front and rear locking assembly (1) further comprises a front and rear return spring (14), one end of which is used to be connected to the rotating end (3) of the rotating column, and the other end of which is connected to the main body base (4).

6. The steering column locking structure according to claim 1, characterized in that: The first locking drive member comprises a front and rear adjusting cylinder (10), one end of the front and rear adjusting cylinder (10) is fixed on the main body base (4), and the other end is hinged to the front and rear locking members.

7. The steering column locking structure according to claim 1, characterized in that: The outer slideway bracket (20) is sleeved on the main body base (4) and is slidably connected to the main body base (4).

8. The steering column locking structure according to claim 7, characterized in that: The upper and lower locking members include a push rod (21), one end of the push rod (21) is rotatably connected to the main body base (4), and the other end is connected to the second locking drive member, and the push rod (21) is arranged between the second locking drive member and the outer slide bracket (20).

9. The steering column locking structure according to claim 8, characterized in that: The second locking drive member comprises an up-and-down adjusting cylinder (22), the up-and-down adjusting cylinder (22) comprises a cylinder body (220), an output end of the cylinder body (220) is fixedly connected with a cylinder bayonet (221), and a retaining spring (222) is provided between the cylinder bayonet (221) and the cylinder body (220); An up-and-down return spring (23) is provided between the main body base (4) and the outer slideway bracket (20).

10. An automobile, characterized in that: It includes: A steering column locking structure as claimed in any one of claims 1 to 9.

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