阅读说明：本技术 一种电动调节定位式方向盘管柱结构 (Electric adjusting positioning type direction coil pipe column structure ) 是由 路小明 孟昭超 赵明 于 2021-08-20 设计创作，主要内容包括：本发明公开了一种电动调节定位式方向盘管柱结构,包括外筒、伸缩电机、内筒和伸缩定位件,通过设置矩形结构的伸缩定位件,用以适配装配方向盘的内筒矩形导槽,代替了弧形结构的抵接件,依靠矩形槽体侧边相互抵接抵消扭矩波动,减少了内筒外筒之间相互转动的震动空间,避免了弧形结构抵接件所需的较大弹力,减少多组垫片及弹性件结构叠加造成的占用长度及空间较大的问题。(The invention discloses an electric adjusting and positioning type directional coil pipe column structure which comprises an outer barrel, a telescopic motor, an inner barrel and a telescopic positioning piece, wherein the telescopic positioning piece with a rectangular structure is arranged to be matched with an inner barrel rectangular guide groove of a steering wheel to replace an abutting piece with an arc structure, torque fluctuation is offset by mutual abutting of the side edges of a rectangular groove body, a vibration space for mutual rotation between the inner barrel and the outer barrel is reduced, larger elasticity required by the abutting piece with the arc structure is avoided, and the problems of large occupied length and large space caused by overlapping of a plurality of groups of gaskets and elastic piece structures are reduced.)

1. An electric adjusting and positioning type directional coil pipe column structure is characterized by comprising an outer cylinder, a telescopic motor, an inner cylinder and a telescopic positioning piece;

the outer cylinder is connected with the vehicle body, and a positioning piece assembling hole is formed in the outer cylinder;

the telescopic motor is arranged on the outer barrel and is provided with a telescopic end;

the inner cylinder is sleeved on the inner side of the outer cylinder, and a rectangular guide groove arranged along the length direction is arranged on the inner cylinder and points to the direction of the assembly hole;

the telescopic positioning piece comprises a guide groove positioning protrusion, an elastic piece and an outer barrel positioning block, wherein the guide groove positioning protrusion is of a rectangular structure and is matched with the size of a rectangular guide groove, the size of the outer barrel positioning block is matched with the positioning piece assembling hole, and two ends of the elastic piece are respectively contacted with the guide groove positioning protrusion and the outer barrel positioning block.

2. The electric adjusting positioning type directional coiled pipe column structure as claimed in claim 1, wherein the telescopic end of the telescopic motor is a screw, and the inner cylinder is provided with a threaded hole adapted to the screw.

3. The electrically adjustable positioning type directional coiled tubing column structure of claim 2, wherein the power output shaft of the telescopic motor is arranged at 90 degrees to the screw, and the power output shaft of the telescopic motor is in transmission connection with the screw through a gear.

4. The electrically adjustable positionable directional coil column structure of claim 3, wherein the telescoping motor is disposed at a bottom of the outer barrel.

5. The electrically adjustable positioning type directional coiled tubing column structure of claim 1, wherein the telescopic end of the telescopic motor is an electric push rod.

6. An electrically adjustable positioning type directional coiled tubing column structure as claimed in claim 1, wherein the elastic member of the telescopic positioning member is a disc spring or a spring.

7. The electrically adjustable positioning type directional coil column structure as claimed in claim 1, wherein the outer cylinder positioning block is connected with a threaded hole structure preset in the assembly hole by a thread.

8. The electric adjusting positioning type directional coiled pipe column structure as claimed in claim 1, wherein the number of the assembly holes, the rectangular guide grooves and the telescopic positioning pieces is more than two, and the two rectangular guide grooves are opposite end to end and are sequentially arranged on the inner cylinder.

9. The electrically adjustable positionable directional coiled tubing column structure of claim 1, wherein a mounting groove is provided on a top surface of the outer barrel positioning block.

10. The electrically adjustable positioning type directional coil column structure as claimed in claim 1, wherein the top surface of the positioning protrusion is provided with an abutting table, and the abutting table is in contact with the elastic member.

Technical Field

The invention relates to the technical field of vehicle structures, in particular to an electric adjusting and positioning type directional coil pipe column structure.

Background

An electric steering column is a novel technology which is used on some domestic high-end vehicles in recent years. The electric four-way adjusting pipe column controls the corresponding driving structure through the two motors to realize the height and angle adjustment of the steering wheel.

The existing four-way electric adjusting steering column mainly comprises a steering column mandrel, an intermediate shaft, a steering column mounting bracket, a column tube, a controller, a telescopic motor, an inclined motor and the like.

However, in the process of lifting the steering wheel, the column tube body swings at a small angle along with the transmission structure due to the influence of torque fluctuation of the worm gear, so that the vibration sense of the shell and the steering wheel is obvious.

Disclosure of Invention

Therefore, a need is provided to solve the problem that in the prior art, the column tube body swings at a small angle along with the transmission structure under the influence of torque fluctuation of the worm gear and the worm.

In order to achieve the above object, the inventor provides an electric adjusting positioning type direction coil pipe column structure, which comprises an outer cylinder, a telescopic motor, an inner cylinder and a telescopic positioning piece;

the outer cylinder is connected with the vehicle body, and a positioning piece assembling hole is formed in the outer cylinder;

the telescopic motor is arranged on the outer barrel and is provided with a telescopic end;

the inner cylinder is sleeved on the inner side of the outer cylinder, and a rectangular guide groove arranged along the length direction is arranged on the inner cylinder and points to the direction of the assembly hole;

the telescopic positioning piece comprises a guide groove positioning protrusion, an elastic piece and an outer barrel positioning block, wherein the guide groove positioning protrusion is of a rectangular structure and is matched with the size of a rectangular guide groove, the size of the outer barrel positioning block is matched with the positioning piece assembling hole, and two ends of the elastic piece are respectively contacted with the guide groove positioning protrusion and the outer barrel positioning block.

As a preferred embodiment of the invention, the telescopic end of the telescopic motor is a screw, the inner cylinder is provided with a threaded hole, and the threaded hole is matched with the screw.

As a preferred embodiment of the invention, the power output shaft of the telescopic motor is arranged at 90 degrees to the screw, and the power output shaft of the telescopic motor is in transmission connection with the screw through a gear.

As a preferred embodiment of the present invention, the telescopic motor is disposed at the bottom of the outer tub.

As a preferred embodiment of the present invention, the telescopic end of the telescopic motor is an electric push rod.

As the preferred embodiment of the invention, the elastic member of the telescopic positioning member is a disc spring or a spring.

As a preferred embodiment of the invention, the outer cylinder positioning block is connected with a threaded hole structure preset in the assembly hole through threads.

As a preferred embodiment of the invention, the number of the assembly holes, the rectangular guide grooves and the telescopic positioning pieces is more than two, and the two rectangular guide grooves are opposite end to end and are sequentially arranged on the inner cylinder.

As a preferred embodiment of the invention, the top surface of the outer cylinder positioning block is provided with an assembling groove.

As a preferred embodiment of the invention, the top surface of the positioning bulge is provided with an abutting table, and the abutting table is in contact with the elastic piece.

Different from the prior art, the technical scheme has the following advantages: through the flexible setting element that sets up the rectangle structure for the inner tube rectangle guide slot of adaptation assembly steering wheel has replaced the butt piece of arc structure, relies on the mutual butt of rectangle cell body side to offset the moment of torsion and fluctuate, has reduced the vibrations space of mutual pivoted between the inner tube urceolus, has avoided the required great elasticity of arc structure butt piece, reduces the length of occuping that multiunit gasket and elastic component structure stack caused and the great problem in space.

Drawings

FIG. 1 is an exploded view of an embodiment of the present invention illustrating a directional coiled tubular column with an electrically adjustable positioning mechanism;

FIG. 2 is a detailed structural diagram of an outer cylinder part in the embodiment of the invention;

fig. 3 is a schematic bottom structure diagram of an electric adjusting positioning type directional coiled pipe column structure in the embodiment of the invention.

Description of reference numerals:

10. an outer cylinder;

11. a positioning piece assembly hole;

20. a telescopic motor;

21. a telescopic end; 22. a threaded hole;

30. an inner barrel;

31. a rectangular guide groove;

40. a telescopic positioning piece;

41. a guide groove positioning bulge; 42. an elastic member; 43. an outer cylinder positioning block;

44. a butting table.

Detailed Description

To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.

Referring to fig. 1 to 3 together, the present embodiment discloses a steering column positioning structure, which is assembled on a vehicle body and includes an outer cylinder 10, a telescopic motor 20, an inner cylinder 30 and a telescopic positioning element 40. The outer cylinder 10 is connected with a vehicle body, and a positioning piece assembling hole 11 is formed in the side edge of the outer cylinder 10. The telescopic motor 20 is arranged at the bottom of the outer barrel 10, and the telescopic motor 20 is provided with a telescopic end 21 (in this embodiment, the telescopic end 21 of the telescopic motor 20 is a screw rod, the screw rod is in transmission connection with a power output shaft of the telescopic motor 20, the transmission connection mode can be a gear transmission mode or a shaft direct connection mode, a threaded hole 22 is formed in the inner barrel 30, the threaded hole 22 is matched with the screw rod, and in other embodiments, the telescopic end of the telescopic motor can also be an electric push rod). The inner cylinder 30 is inserted into the inner side of the outer cylinder 10, a rectangular guide groove 31 is formed in the inner cylinder 30 along the length direction, and the rectangular guide groove 31 points to the direction of the positioning piece assembling hole 11. The telescopic positioning part 40 comprises a guide groove positioning protrusion 41, an elastic part 42 and an outer barrel positioning block 43, the guide groove positioning protrusion 41 is of a rectangular structure and is matched with the size of the rectangular guide groove 31, the size of the outer barrel positioning block 43 is matched with the positioning part assembling hole 11, and two ends of the elastic part 42 are respectively contacted with the guide groove positioning protrusion 41 and the outer barrel positioning block 43.

According to above-mentioned structure, in the working process of direction coil pipe post location structure, when user needs the position of adjustment steering wheel place, the flexible motor work of drive, flexible motor drives the screw rod rotation of flexible end, screw rod pivoted in-process, the screw rod promotion screw hole of adaptation screw hole. The inner tube that the screw hole is connected is driven, stretch out and draw back in the urceolus with car connection, the protruding rectangle guide slot that inserts in the guide slot location of flexible setting element, inject and guide flexible direction, the protruding rotation between in-process inner tube and the urceolus has been avoided removing to the side of the protruding and rectangle guide slot in guide slot location of rectangle structure, it is protruding to compare in the location of arc structure, the stability of the location of improvement, and reduce and guarantee stability in order to provide great elasticity, and the shared setting element pilot hole's of multiunit elastic component size of increase, the quantity of elastic component has been reduced, the gasket structure has been cancelled, the space that has saved flexible setting element and setting element pilot hole occupies, and then the distance between regulation steering wheel and the user. In the process of adjustment, the moment of torsion that flexible motor during operation produced is undulant to cause the threaded rod to drive the screw hole vibrations, and then will shake and transmit to the inner tube on, the inner tube produces vibrations, transmits to the rectangle guide slot of inner tube on, rectangle guide slot and guide slot location arch carry on spacingly to the inner tube, the rectangle guide slot that the side was laminated each other has restricted the space that the clearance produced vibrations with guide slot location arch, the vibrations of inner tube and steering wheel are reduced. The outer cylinder 10, the telescopic motor 20, the inner cylinder 30 and the telescopic positioning piece can be integrally assembled or disassembled from the vehicle body as a modular structure, so that the maintainability of the vehicle and the convenience of the assembly and disassembly of parts are improved.

Referring to fig. 3, in some preferred embodiments, the power output shaft of the telescopic motor 20 is disposed at 90 degrees to the screw, and the power output shaft of the telescopic motor 20 is in transmission connection with the screw through a gear. Through the motor that sets up perpendicularly, can make full use of the residual space between inner tube and the urceolus, further save vehicle equipment space and occupy.

Referring to fig. 3, in some preferred embodiments, the telescopic motor 20 is disposed at the bottom of the outer tub.

Referring to fig. 1, in some preferred embodiments, the elastic member 42 of the telescopic positioning member 40 is a disc spring or a spring.

Referring to fig. 1, in some preferred embodiments, the outer cylinder positioning block 43 is connected to a threaded hole structure preset in the assembly hole by a screw.

Referring to fig. 1, in some preferred embodiments, the number of the positioning member assembly holes 11, the rectangular guide slots 31 and the telescopic positioning members 40 is two or more, and the two rectangular guide slots 31 are opposite end to end and arranged on the inner cylinder 30 in the same linear direction. Through setting up setting element pilot hole more than two, rectangle guide slot, flexible setting element, carry out length direction's many limits to the inner tube, avoid the front and back end swing of inner tube and the vibrations that produce.

Referring to fig. 1, in some preferred embodiments, the top surface of the outer cylinder positioning block 43 is provided with a mounting groove. Through setting up the assembly groove, facilitate the use screwdriver and rotate urceolus locating piece and threaded connection in setting element pilot hole.

Referring to fig. 1, in some preferred embodiments, the top surface of the guide groove positioning protrusion 41 is provided with an abutting table 44, and the abutting table 44 is in contact with the elastic member 42. Through setting up the butt joint platform, contact the elastic component, reduced the required quantity of elastic component, provide flexible stroke for the guide slot location is protruding.

It should be noted that, although the above embodiments have been described herein, the invention is not limited thereto. Therefore, based on the innovative concepts of the present invention, the technical solutions of the present invention can be directly or indirectly applied to other related technical fields by making changes and modifications to the embodiments described herein, or by using equivalent structures or equivalent processes performed in the content of the present specification and the attached drawings, which are included in the scope of the present patent.