CN215204796U - Locking mechanism, steering column and vehicle - Google Patents
Locking mechanism, steering column and vehicle Download PDFInfo
- Publication number
- CN215204796U CN215204796U CN202121689976.6U CN202121689976U CN215204796U CN 215204796 U CN215204796 U CN 215204796U CN 202121689976 U CN202121689976 U CN 202121689976U CN 215204796 U CN215204796 U CN 215204796U
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- steering column
- lock
- locking
- locking mechanism
- rack
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Abstract
The utility model provides a locking mechanism, steering column and vehicle relates to vehicle technical field. The utility model discloses a locking mechanism sets up inside steering column for with steering column's locked groove cooperation, locking steering column. The locking mechanism comprises a lock tongue and a power source. The power source is connected with the lock tongue and used for driving the lock tongue to reciprocate so that the lock tongue can be clamped with or separated from the lock groove, and the steering column is locked or unlocked. Locking mechanism's simple structure, and the security performance is good, can prevent that steering column from being stolen, the utility model discloses a locking mechanism sets up the inside at steering column for steering column can make locking mechanism release steering column the space that contracts of bursting, lets steering column's the stroke that contracts of bursting be more than or equal to 80mm, thereby satisfies the requirement.
Description
Technical Field
The utility model relates to the technical field of vehicles, especially, relate to a locking mechanism, steering column and vehicle.
Background
Most of commercially available vehicle type steering systems in China at present are electric power steering systems, and based on cost and technical maturity factors, pipe column type power steering systems are more. Along with the development of the automobile industry, the requirement of customers on safety is higher and higher, so that higher requirements on the crumple performance of a steering column are provided, the conventional 60mm crumple stroke is difficult to meet the market requirement, and the requirements of more and more customers on the crumple stroke are improved to be more than or equal to 80 mm.
The traditional electric power steering column anti-theft mechanism is characterized in that a lock groove is designed for an outer column tube of a steering column, an electronic lock is externally connected, and the anti-theft function is realized by controlling the stretching of a lock tongue through an electric signal. Electronic locks in the prior art are all designed outside a steering column, and have complex structure and higher cost. The external electronic lock occupies a large proportion of the crumpling space of the electric steering column, generally only can meet the requirement that the crumpling stroke is larger than or equal to 60mm, and hardly meets the requirement that the crumpling stroke is larger than or equal to 80mm, and when the whole vehicle collides with the chest of a driver and impacts a steering wheel, the crumpling energy absorption of the steering column hardly meets the requirement of safe collision (C-NCAP).
SUMMERY OF THE UTILITY MODEL
The utility model discloses an object of first aspect is to provide a locking mechanism, solves the problem that locking mechanism's among the prior art structure is complicated, the security performance is poor.
An object of the utility model is to solve the problem that the locking mechanism among the prior art can't make steering column's conquassation form lowly.
An object of the second aspect of the utility model is to provide a steering column, solve the problem that the ulcerate stroke of contracting among the prior art is low.
It is an object of the third aspect of the present invention to provide a vehicle including the steering column.
In particular, the utility model provides a locking mechanism, the locking mechanism is arranged inside a steering column and is used for cooperating with a locking groove of the steering column to lock the steering column; the locking mechanism includes:
a latch bolt;
and the power source is connected with the lock tongue and used for driving the lock tongue to reciprocate so that the lock tongue is clamped with or separated from the lock groove, and the steering column is locked or opened.
Optionally, a first spring is further included;
the bolt comprises a first protruding end portion and a second end portion opposite to the first end portion, a first blind hole with an opening opposite to the first end portion is formed in the second end portion, and the first spring is arranged in the first blind hole and abutted between the end portion of the power source and the bottom of the first blind hole.
Optionally, the steering column further comprises a coupling assembly coupling the power source, the latch bolt and the first spring, the coupling assembly comprising:
the pressing block is provided with a second blind hole on one side facing the power source, and the power source is positioned at the second blind hole; and
a cock connected with the steering column to dispose the pressure block, the power source, and the lock tongue within the steering column.
Optionally, the coupling assembly further comprises a second spring located between the press block and the tap.
Optionally, the coupling assembly further comprises a tap ring press-fitted over the plug and coupled to the steering column.
Particularly, the utility model also provides a steering column, include:
a housing having an accommodating space therein;
the transmission mechanism is provided with a locking groove and is positioned in the accommodating space; and
the locking mechanism is located in the accommodating space and matched with the lock groove of the transmission mechanism, so that the lock tongue of the locking mechanism is clamped and separated from the lock groove during reciprocating motion of the lock tongue, and the transmission mechanism, the locking mechanism and the opening mechanism are locked or opened to the steering column.
Optionally, the accommodating space forms a first through hole and a second through hole which are perpendicular to each other;
the transmission mechanism comprises a gear and a rack which are arranged at the first through hole and are meshed with each other, and the back of the rack is provided with the locking groove; the locking mechanism is arranged at the second through hole and can reciprocate along the axis of the second through hole so as to lock the gear through the matching of a lock tongue and a lock groove at the back of the rack.
Optionally, the locking groove is located at a side of the rack opposite to the saw tooth of the rack, and the locking mechanism is located at the same side of the rack as the locking groove;
the lock groove quantity is a plurality of, sets up side by side one side of rack.
Optionally, a guide sleeve is further disposed at the first through hole, and the rack is disposed in the first through hole of the housing by using the guide sleeve.
In particular, the utility model discloses still provide a vehicle, this vehicle includes above-mentioned steering column.
The utility model discloses a locking mechanism only includes spring bolt and power supply, promotes the locked groove of spring bolt and steering column through the power supply and cooperates the use to the locking with open steering column, this locking mechanism's simple structure, and the security performance is good, can prevent that steering column from being stolen.
The utility model discloses a locking mechanism sets up in steering column's inside for steering column can make locking mechanism release steering column the space of collapsing, lets steering column's the stroke of collapsing be more than or equal to 80mm, thereby satisfies the requirement. The utility model discloses a locking mechanism replaces the outer electronic lock structure that turns to of traditional steering column, can crumple the stroke with steering column and increase to 80mm by 60mm, and the injury of steering wheel to driver's chest striking when reducing whole car collision promotes the security performance.
The utility model discloses a locking mechanism includes spring bolt, motor and connection structure, and the structure is simple with the action principle, and the locking is effectual, has realized better theftproof effect when reducing the cost.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 is a schematic, exploded view of a locking mechanism according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of a locking mechanism according to an embodiment of the present invention disposed at a steering column;
fig. 3 is an enlarged schematic cross-sectional view of a locking mechanism according to an embodiment of the present invention;
fig. 4 is another enlarged cross-sectional schematic view of a locking mechanism according to an embodiment of the present invention;
fig. 5 is a schematic exploded view of a steering column according to an embodiment of the present invention.
Description of reference numerals:
the steering column 100, the housing 10, the transmission mechanism 20, the locking mechanism 30, the guide sleeve 40, the first through hole 11, the second through hole 12, the gear 21, the rack 22, the lock groove 221, the lock tongue 31, the first end 311, the second end 312, the first blind hole 313, the power source 32, the first spring 33, the connecting assembly 34, the pressing block 341, the cock 342, the second spring 343, the cock pressing ring 344, and the lining 345.
Detailed Description
Fig. 1 is an exploded view of a locking mechanism according to an embodiment of the present invention; fig. 2 is a schematic cross-sectional view of a locking mechanism provided in a steering column according to an embodiment of the present invention. Specifically, as shown in fig. 1 and 2, the present embodiment provides a lock mechanism 30, and the lock mechanism 30 is provided inside the steering column 100 for locking the steering column 100 in cooperation with a lock groove 221 of the steering column 100. The locking mechanism 30 may include a locking tongue 31 and a power source 32. The latch bolt 31 is disposed corresponding to the latch groove 221. The power source 32 is connected to the latch bolt 31 for reciprocating the latch bolt 31 to engage and disengage the latch bolt 31 with and from the locking groove 221, thereby locking and unlocking the steering column 100.
The utility model discloses a locking mechanism 30 can only include spring bolt 31 and power supply 32, and the locked groove 221 that promotes spring bolt 31 and steering column 100 through power supply 32 cooperates the use to the locking with open steering column 100, this locking mechanism 30's simple structure, and the security performance is good, can prevent that steering column 100 from being stolen.
In addition, because the locking mechanism 30 is arranged inside the steering column 100, the steering column 100 can enable the locking mechanism 30 to release the collapsing space of the steering column 100, and the collapsing stroke of the steering column 100 is larger than or equal to 80mm, thereby meeting the requirements. The locking mechanism 30 of this embodiment replaces the outer electronic lock structure that turns to of traditional steering column 100, can be increased steering column 100 the stroke of collapsing to 80mm by 60mm, when reducing whole car collision, the injury of steering wheel to driver's chest striking promotes the security performance.
Fig. 3 is an enlarged schematic cross-sectional view of a locking mechanism according to an embodiment of the present invention; fig. 4 is another enlarged cross-sectional view of the locking mechanism according to an embodiment of the present invention.
As a specific embodiment of the present invention, as shown in fig. 3 and 4, the locking tongue 31 of the present embodiment may have a T-shaped structure, and the locking tongue 31 may include a first end 311 protruding and a second end 312 opposite to the first end 311. With the first end 311 facing the locking slot 221 and the second end 312 facing the power source 32 and abutting or connecting with the power source 32. The power source 32 in this embodiment may comprise an electric motor. Specifically, the motor of the present embodiment may be a telescopic motor. The telescopic motor can be controlled to do reciprocating motion. And because the telescopic motor is arranged opposite to the second end 312 of the bolt 31, the bolt 31 can be pushed to reciprocate by the telescopic motion of the telescopic motor. So that the first end 311 of the projection of the latch bolt 31 is engaged with or disengaged from the locking groove 221, thereby locking or unlocking the steering column 100.
As a specific embodiment of the present invention, the locking mechanism 30 may further include a first spring 33. The locking tongue 31 is provided at the second end 312 with a first blind hole 313 opening in the opposite direction to the first end 311, and the first spring 33 is disposed within the first blind hole 313 and abuts between the end of the motor 32 and the bottom of the first blind hole 313.
As a specific embodiment of the present invention, as shown in fig. 1, the locking mechanism 30 may further include a connecting component 34, the connecting component 34 is mainly used to connect the power source 32, the latch bolt 31 and the first spring 33 with the steering column 100, and to dispose the power source 32, the latch bolt 31 and the first spring 33 inside the steering column 100. The connection assembly 34 may include a pressing block 341, a cock 342, and a second spring 343. The pressing block 341 is provided with a second blind hole (not shown) at a side facing the power source 32, and the power source 32 is located at the second blind hole. The cock 342 is connected to the steering column 100 to dispose the pressing piece 341, the power source 32, and the lock tongue 31 in the steering column 100. A second spring 343 is located between the pressing body 341 and the cock 342.
The coupling assembly 34 of this embodiment may also include a tap ring 344, the tap ring 344 being press fit onto the tap 342. The connecting assembly 34 of this embodiment may further include a lining 345, the lining 345 is disposed above the pressing piece 341, and a through hole (not shown) is disposed in the middle of the lining 345, and the latch bolt 31 is inserted into the through hole and is engaged with the latch groove 221.
Specifically, the cock 342 compresses the second spring 343 to support the pressing piece 341 and the packing 345 in fitting engagement with the locking groove 221, and the cock 342 is fastened to the housing 10 by external threads, thereby ensuring that the meshing clearance of the rack 22 of the internal gear 21 is constant during the life cycle of the steering gear. The tap press ring 344 is pressed on the tap 342 and is marked with scales, and the axial displacement of the press block 341 is determined by reading the scales.
Fig. 5 is a schematic exploded view of a steering column according to an embodiment of the present invention. As shown in fig. 2 and 5, the present embodiment provides a steering column 100, and the steering column 100 may include a housing 10, a transmission mechanism 20, and a lock mechanism 30. Wherein, the housing 10 is internally provided with an accommodating space. The driving mechanism 20 is located in the receiving space, and the locking groove 221 is provided at the driving mechanism 20. The locking mechanism 30 is located in the accommodating space, and is engaged with the locking groove 221 of the driving mechanism 20, and is engaged with and disengaged from the locking groove 221 when the latch tongue 31 of the locking mechanism 30 reciprocates, to lock and unlock the driving mechanism 20, and thus to lock and unlock the steering column 100.
Set up locking mechanism 30 in the steering column 100 of this embodiment, this locking mechanism 30 can the locking with open steering column 100 for steering column 100 of this embodiment has cancelled the electronic lock that sets up outside steering column 100, thereby makes steering column 100 ulcerate the stroke of contracting increase to 80mm by 60mm, when reducing whole car collision, the injury of steering wheel to driver's chest striking promotes the security performance of vehicle.
As a specific embodiment of the present invention, the accommodating space in the present embodiment is formed as a first through hole 11 and a second through hole 12 perpendicular to each other. The transmission mechanism 20 may include a gear 21 and a rack 22 provided at the first through hole 11 to be engaged with each other. The back of the rack is provided with a locking groove 221. The lock mechanism 30 is provided at the second through hole 12, and the lock mechanism 30 is capable of reciprocating along the axis of the second through hole 12 to lock the pinion 21 by locking the rack 22, and thus the steering column 100.
Specifically, a guide sleeve 40 is further provided at the first through hole 11, and the rack 22 is disposed in the first through hole 11 of the housing 10 by means of the guide sleeve 40. Specifically, the guide sleeves 40 may be two in number, respectively located near both ends of the rack 22.
Specifically, in the embodiment, the gear 21 is engaged with the rack 22, the gear 21 is linked with the steering wheel, when the steering wheel rotates, the gear 21 is driven to rotate, and when the gear 21 rotates, the rack 22 is driven by the gear 21 to move along the direction parallel to the axis of the first through hole 11. When the locking mechanism 30 is engaged with the locking groove 221 on the back of the rack 22, and thus the gear 21 and the steering wheel connected to the gear 21, can be locked.
As a specific embodiment of the present invention, the locking groove 221 of the present embodiment is disposed on a side of the rack 22 facing the second through hole 12. The bolt 31 can reciprocate along the axis of the second through hole 12 under the driving of the power source 32, and when the bolt 31 moves to be inserted into the lock groove 221, the rack 22 cannot move, so that the steering column 100 is locked, and the steering anti-theft function is realized. When the latch bolt 31 moves to be pulled out of the locking groove 221, the rack 22 can be moved by the gear 21, and the steering column 100 can be used normally.
Specifically, the lock groove 221 is located at the side of the rack 22 opposite to the serration 221 of the rack 22, and the lock mechanism 30 is located at the same side of the rack 22 as the lock groove 221. In the present embodiment, the gear 21 and the lock mechanism 30 are located at both side surfaces of the rack 22, respectively.
As a specific embodiment of the present invention, the locking groove 221 of this embodiment includes a plurality of grooves arranged side by side on one side of the rack 22. The locking grooves 221 of this embodiment include 11 locking grooves 221, and the 11 locking grooves 221 can cover the full stroke of the rack 22. Since the position of the rotation of the gear 21 is uncertain when the steering column 100 is in use, if it is necessary to lock the steering column 100 at a certain time, it is necessary to directly activate the lock mechanism 30 so that the latch bolt 31 is inserted into one of the lock grooves 221. The design of the plurality of locking slots 221 facilitates ready locking of the steering column 100 without requiring the steering column 100 to be rotated correctly, thereby facilitating operation. Specifically, the process of installing the locking mechanism 30 at the steering column 100 includes:
the power source 32 is installed in the pressing block 341, and the first spring 33 is installed on the upper end surface of the shaft head of the power source 32 to support the bolt 31. The tap ring 344 compresses the second spring 343 to support the pressing piece 341 and the packing 345 disposed at the housing 10 of the steering column 100. After installation, locking bolt 31 engages locking groove 221 on the back of rack 22 through the inner hole of bushing 345.
Specifically, after the whole vehicle is powered off, when the steering ECU identifies that the steering wheel needs to be locked, the end of the power source 32 is controlled to extend upwards, the end of the power source 32 is connected with the first spring 33 to jack the bolt 31 and is inserted into the lock groove 221 on the back of the rack 22 through the inner hole of the lining 345, and the rack 22 is locked and cannot move axially, so that the steering anti-theft function is realized.
When the whole vehicle is powered on and the steering ECU identifies that the steering wheel needs to be unlocked, the end part of the telescopic power source 32 is controlled to withdraw downwards, the end part of the power source 32 is connected with the first spring 33, the bolt 31 is drawn out from the opening hole in the back of the rack 22 through the inner hole of the lining 345, and the rack 22 can move freely at the moment, so that unlocking is realized.
The back of the rack 22 is provided with 11 uniform holes and a transition part between the holes, the bolt 31 pushes the transition part between the holes to prevent locking, the bolt 31 can compress the end part of the first spring 33 relative to the power source 32 to move, when the steering wheel turns to a small extent, the lock groove 221 on the back of the rack 22 rotates relative to the bolt 31, and when the bolt 31 corresponds to the lock groove 221 on the back of the rack 22, locking is carried out in a matched mode.
As a specific example of the present invention, the present embodiment provides a vehicle, which may include the steering column 100 described above.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described in detail herein, many other variations and modifications can be made, consistent with the principles of the invention, which are directly determined or derived from the disclosure herein, without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and interpreted to cover all such other variations or modifications.
Claims (10)
1. The locking mechanism is characterized in that the locking mechanism is arranged in a steering column and used for being matched with a locking groove of the steering column to lock the steering column; the locking mechanism includes:
a latch bolt;
and the power source is connected with the lock tongue and used for driving the lock tongue to reciprocate so that the lock tongue is clamped with or separated from the lock groove, and the steering column is locked or opened.
2. The lock mechanism of claim 1,
the device also comprises a first spring;
the bolt comprises a first protruding end portion and a second end portion opposite to the first end portion, a first blind hole with an opening opposite to the first end portion is formed in the second end portion, and the first spring is arranged in the first blind hole and abutted between the end portion of the power source and the bottom of the first blind hole.
3. The lock mechanism of claim 2,
still include coupling assembling, will the power supply the spring bolt with first spring with steering column connects, coupling assembling includes:
the pressing block is provided with a second blind hole on one side facing the power source, and the power source is positioned at the second blind hole; and
a cock connected with the steering column to dispose the pressure block, the power source, and the lock tongue within the steering column.
4. The lock mechanism of claim 3,
the coupling assembly further includes a second spring positioned between the press block and the cock.
5. The lock mechanism of claim 3,
the connecting assembly further comprises a plug pressing ring which is pressed on the plug and connected with the steering column.
6. A steering column, comprising:
a housing having an accommodating space therein;
the transmission mechanism is provided with a locking groove and is positioned in the accommodating space; and
the locking mechanism of any one of claims 1-5, being located in the receiving space, cooperating with the locking groove of the transmission mechanism to engage and disengage with the locking groove when the locking tongue of the locking mechanism reciprocates, to lock or unlock the transmission mechanism, to lock and unlock the steering column.
7. The steering column according to claim 6,
the accommodating space is provided with a first through hole and a second through hole which are vertical to each other;
the transmission mechanism comprises a gear and a rack which are arranged at the first through hole and are meshed with each other, and the back of the rack is provided with the locking groove; the locking mechanism is arranged at the second through hole and can reciprocate along the axis of the second through hole so as to lock the gear through the matching of a lock tongue and a lock groove at the back of the rack.
8. The steering column according to claim 7,
the locking groove is positioned at the side surface of the rack opposite to the sawteeth of the rack, and the locking mechanism is positioned at the same side of the rack as the locking groove;
the lock groove quantity is a plurality of, sets up side by side one side of rack.
9. The steering column according to claim 7,
the first through hole is further provided with a guide sleeve, and the rack is arranged in the first through hole of the shell through the guide sleeve.
10. A vehicle comprising a steering column according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121689976.6U CN215204796U (en) | 2021-07-23 | 2021-07-23 | Locking mechanism, steering column and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121689976.6U CN215204796U (en) | 2021-07-23 | 2021-07-23 | Locking mechanism, steering column and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215204796U true CN215204796U (en) | 2021-12-17 |
Family
ID=79428462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121689976.6U Active CN215204796U (en) | 2021-07-23 | 2021-07-23 | Locking mechanism, steering column and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215204796U (en) |
-
2021
- 2021-07-23 CN CN202121689976.6U patent/CN215204796U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 310051 No. 1760, Jiangling Road, Hangzhou, Zhejiang, Binjiang District Patentee after: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Patentee after: Zhejiang Geely Remote New Energy Commercial Vehicle Group Co.,Ltd. Patentee after: Shandong Geely new energy Commercial Vehicle Co.,Ltd. Patentee after: Zhejiang Geely new energy Commercial Vehicle Development Co.,Ltd. Address before: 310051 No. 1760, Jiangling Road, Hangzhou, Zhejiang, Binjiang District Patentee before: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Patentee before: ZHEJIANG GEELY NEW ENERGY COMMERCIAL VEHICLE GROUP Co.,Ltd. Patentee before: Shandong Geely new energy Commercial Vehicle Co.,Ltd. Patentee before: Zhejiang Geely new energy Commercial Vehicle Development Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230802 Address after: 310051 No. 1760, Jiangling Road, Hangzhou, Zhejiang, Binjiang District Patentee after: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Patentee after: Zhejiang Geely Remote New Energy Commercial Vehicle Group Co.,Ltd. Patentee after: Shandong Geely new energy Commercial Vehicle Co.,Ltd. Address before: 310051 No. 1760, Jiangling Road, Hangzhou, Zhejiang, Binjiang District Patentee before: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Patentee before: Zhejiang Geely Remote New Energy Commercial Vehicle Group Co.,Ltd. Patentee before: Shandong Geely new energy Commercial Vehicle Co.,Ltd. Patentee before: Zhejiang Geely new energy Commercial Vehicle Development Co.,Ltd. |
|
| TR01 | Transfer of patent right |