CN210734270U - Steering column clamping mechanism - Google Patents
Steering column clamping mechanism Download PDFInfo
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- CN210734270U CN210734270U CN201921793298.0U CN201921793298U CN210734270U CN 210734270 U CN210734270 U CN 210734270U CN 201921793298 U CN201921793298 U CN 201921793298U CN 210734270 U CN210734270 U CN 210734270U
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- steering column
- fixed
- connecting shaft
- rack
- handle
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Abstract
The utility model relates to a steering column clamping mechanism, which comprises a fixed bracket sleeved on a steering column and a U-shaped support frame for supporting the steering column, wherein the fixed bracket and the U-shaped support frame are respectively arranged at the relative positions of the steering column; the connecting shaft horizontally penetrates through the fixing support and the U-shaped support frame and is provided with a connecting shaft, one end of the connecting shaft is provided with a handle assembly, the other end of the connecting shaft is provided with a rack clamping assembly, a spring and a sheath are sequentially sleeved on the connecting shaft between the U-shaped support frames, and the rack clamping assembly is meshed or separated along with the rotation of the handle assembly; the fixed support is provided with an elastic piece, two ends of the elastic piece are respectively clamped and arranged at the positions, located on two sides of the steering column, of the fixed support, the positions, close to the two ends, of the elastic piece are respectively coil spring parts, and the two coil spring parts extend oppositely and are communicated through a U-shaped part. The utility model has the advantages of as follows: the steering column is convenient to adjust in the vertical direction, and the light weight design of the vehicle is met.
Description
Technical Field
The utility model belongs to the automobile steering field, concretely relates to steering column clamping mechanism.
Background
The steering column belongs to a subsystem of an automobile steering system, and has the main functions of transmitting steering wheel torque and a steering angle, adjusting the position of the steering wheel, preventing burglary, collapsing new energy, connecting a wire harness, connecting an automobile beam, connecting a protective cover, connecting a combination switch and the like, wherein the function of adjusting the position of the steering wheel of the steering column can be divided into two functions of adjusting the steering wheel up and down and adjusting the steering wheel back and forth, and when a driver adjusts the steering wheel to a required position, a clamping device of the steering column needs to lock and maintain the position. After a handle of the steering column is loosened, the steering column can be adjusted up and down, the steering column clamping device needs to ensure that the steering column does not drop down, the steering column is adjusted up and down smoothly, and the steering column is adjusted to an upper limit point and a lower limit point without obvious impact feeling.
The existing steering column clamping mechanism realizes clamping or movement through meshing or separating two adjacent racks, and the rotating handle enables the two racks to be meshed or separated because the resilience force of the spring has certain impact force on the fixed support, and the fixed support deviates from the steering handle, so that the existing steering column clamping mechanism fixedly connects the fixed support with the steering column, but the fixed connection mode has the following defects: the vertical adjustment of the steering column is influenced by the weight of the fixing support in the vertical adjustment process of the steering column, a driver is required to apply larger force, and the design concept of light weight of a vehicle is not facilitated. Therefore, a steering column clamping mechanism which meets the light weight design of a vehicle and is convenient for the vertical adjustment of the steering column is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough above, provide a steering column clamping mechanism, the steering column upper and lower direction of being convenient for is adjusted, is satisfied vehicle lightweight design.
The purpose of the utility model is realized through the following technical scheme: a steering column clamping mechanism comprises a fixed support and a U-shaped support frame, wherein the fixed support is sleeved on a steering column, the U-shaped support frame supports the steering column, two ends of the fixed support extend to two ends of the U-shaped support frame respectively and are sequentially contacted with each other, the fixed support and the U-shaped support frame are arranged at opposite positions of the steering column respectively, and the U-shaped support frame is fixedly connected with the steering column;
the connecting shaft horizontally penetrates through the fixing support and the U-shaped support frame and is provided with a connecting shaft, one end of the connecting shaft is provided with a handle assembly, the other end of the connecting shaft is provided with a rack clamping assembly, a spring and a sheath are sequentially sleeved on the connecting shaft between the U-shaped support frames, and the rack clamping assembly is meshed or separated along with the rotation of the handle assembly;
the fixed support is provided with an elastic piece, two ends of the elastic piece are respectively clamped and arranged at the positions, located on two sides of the steering column, of the fixed support, the positions, close to the two ends, of the elastic piece are respectively coil spring parts, and the two coil spring parts extend oppositely and are communicated through a U-shaped part.
The utility model discloses a further improvement lies in: the handle assembly comprises a connecting plate sleeved on one end of the connecting shaft, the connecting plate is connected with a handle, a plurality of limit holes with the same circumference are arranged on the connecting plate in a surrounding mode, a position, close to the connecting plate, on the connecting shaft is sleeved with a limiting part, the limiting part is arranged between the connecting plate and the U-shaped supporting frame and comprises a plate body part and a barrel body part penetrating through the fixing support and the U-shaped supporting frame, a plurality of limit bulges sequentially corresponding to the limit holes are arranged on the side end face, close to the limit holes, of the plate body part, and the plate body part, the barrel body;
the limiting holes are of fan-shaped structures, notches are formed in the limiting holes along the end points of the handle rotating direction, the limiting protrusions are matched with the limiting holes and are arranged, the end faces of the limiting protrusions along the handle rotating direction are guiding inclined planes, the end points of the guiding inclined planes on the limiting protrusions are clamped in the notches corresponding to the limiting holes, and the handle rotates to drive the connecting shaft to rotate so as to achieve meshing or separation of the rack clamping assembly.
The utility model discloses a further improvement lies in: the rack clamping assembly comprises a fixed tooth condition, a movable tooth condition, a bearing and a nut which are sequentially sleeved on one end, far away from the handle, of the connecting shaft, the fixed tooth condition is fixedly arranged on the side end face of the fixing support, the fixed tooth condition and the movable rack are arranged through rack meshing, the movable tooth condition and the bearing are matched with the nut to form an integrated structure, a thread connected with the nut in a matched mode is arranged on the end of the connecting shaft, the handle rotates to drive the thread on the connecting shaft to move together with the nut to enable the fixed tooth condition to be meshed with the movable rack, and the handle rotates reversely to enable the thread on the connecting shaft to be separated from the nut under the action of spring resilience force so that the fixed tooth condition is separated from.
The utility model discloses a further improvement lies in: the fixed tooth condition is vertical with the rack on the movable rack piece.
The utility model discloses a further improvement lies in: the movable rack element is provided with a groove for accommodating the whole fixed tooth condition to be embedded, the center of the side end face of the movable rack element is provided with a cylindrical part, the cylindrical part is communicated with the movable rack element and sleeved on the connecting shaft, and the cylindrical part sequentially penetrates through the fixed tooth condition, the fixed support and the U-shaped support frame and is in contact with the sheath.
The utility model discloses a further improvement lies in: the fixed bracket is provided with a cover plate.
The utility model discloses a further improvement lies in: two ends of the U-shaped support frame extend inwards and are contacted with the outer end surface of the steering column.
Compared with the prior art, the utility model has the following advantage:
in the utility model, the U-shaped support frame is fixedly connected with the steering column, and the fixing support and the U-shaped support frame are fixed or separated through the connecting shaft, the rack clamping component and the like, so that the weight of the steering column is reduced by fixing the U-shaped support frame and the steering column, the vertical adjustment of the steering column is convenient, an operator is not required to apply larger force, and the lightweight design is satisfied; the both sides of fixed bolster structure itself takes place to warp easily under the resilience force effect of spring, and this defect is effectively improved in the setting of elastic component, the fixed bolster receives under the effect of the outside tension of spring or the inside resilience force, the elastic component then exerts the counter force to the fixed bolster, avoid the fixed bolster both sides to take place to warp, and the quality of fixed bolster can suitably be alleviateed in the setting of elastic component, adopt platelike structure, when satisfying the design of vehicle lightweight, can guarantee again the each aspect performance of steering column.
Drawings
Fig. 1 is a schematic structural view of a steering column clamping mechanism of the present invention.
Fig. 2 is the utility model relates to a steering column clamping mechanism's split schematic diagram.
Fig. 3 is a schematic structural view of a fixing bracket of a steering column clamping mechanism of the present invention.
Fig. 4 is a schematic view of the handle assembly of the steering column clamping mechanism of the present invention.
Fig. 5 is the utility model relates to a steering column clamping mechanism's split sketch map of fixed tooth condition and removal tooth condition.
Reference numbers in the figures: the steering wheel comprises a steering column 1, a U-shaped support frame 2, a fixing support 3, a connecting shaft 4, a handle assembly 5, a rack clamping assembly 6, a spring 7, a sheath 8, an elastic part 9, a cover plate 10, a connecting plate 51, a handle 52, a limiting hole 53, a notch 531, a limiting part 54, a plate body 541, a barrel body 542, a limiting bulge 543, a guide inclined plane 544, a fixed tooth 61, a movable tooth 62, a bearing 63, a nut 64, a rack 65, a groove 66, a cylindrical 67-part 91, a coil spring 92 and a U-shaped part 92.
Detailed Description
In order to deepen the understanding of the present invention, the present invention will be further described in detail with reference to the following embodiments and the attached drawings, and the embodiments are only used for explaining the present invention, and do not constitute the limitation to the protection scope of the present invention.
In the description of the present invention, it should be understood that the terms indicating orientation or positional relationship, such as those based on the drawings, are only for convenience of description and simplification of description, and do not indicate or imply that the structures or units indicated must have a specific orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise specified or limited, terms such as "connected," "provided," "having," and the like are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, or directly connected, and may be connected through an intermediate medium, and those skilled in the art can understand the basic meaning of the above terms in the present invention according to specific situations.
Fig. 1 and fig. 2 show an embodiment of a steering column clamping mechanism of the present invention, which includes a fixing bracket 3 sleeved on a steering column 1 and a U-shaped supporting frame 2 supporting the steering column 1, wherein two ends of the fixing bracket 3 respectively extend to two ends of the U-shaped supporting frame 2 and sequentially contact with each other, the fixing bracket 3 and the U-shaped supporting frame 2 are respectively disposed at opposite positions of the steering column 1, and the U-shaped supporting frame 2 is fixedly connected to the steering column 1;
the horizontally penetrating fixing support 3 and the U-shaped support frame 2 are provided with a connecting shaft 4, one end of the connecting shaft 4 is provided with a handle assembly 5, the other end of the connecting shaft 4 is provided with a rack clamping assembly 6, a spring 7 and a sheath 8 are sequentially sleeved on the connecting shaft 4 between the U-shaped support frames 2, and the rack clamping assembly 6 is meshed or separated along with the rotation of the handle assembly 5;
the fixed bracket 3 is provided with an elastic member 9, as shown in fig. 3, two ends of the elastic member 9 are respectively clamped and arranged at positions of the fixed bracket 3 at two sides of the steering column 1, positions of the elastic member 9 near the two ends are respectively coil spring portions 91, and the two coil spring portions 91 extend oppositely and are communicated through a U-shaped portion 92.
On the basis of this embodiment, as shown in fig. 4, the handle assembly 5 includes a connecting plate 51 sleeved on one end of the connecting shaft 4, the connecting plate 51 is connected with a handle 52, a plurality of limit holes 53 with equal circumference are arranged on the connecting plate 51 around the connecting shaft 4, a position on the connecting shaft 4 near the connecting plate 51 is sleeved with a limit piece 54, the limit piece 54 is arranged between the connecting plate 51 and the U-shaped support frame 2, the limit piece 54 includes a plate body portion 541 and a barrel portion 542 passing through the fixing bracket 3 and the U-shaped support frame 2, a side end surface of the plate body portion 541 near the limit hole 53 is provided with a plurality of limit protrusions 543 sequentially corresponding to the limit holes 53, and the plate body portion 541, the barrel portion 542 and the;
on the basis of this embodiment, the limiting hole 53 is a fan-shaped structure, the end points of the limiting holes 53 along the rotation direction of the handle 52 are provided with notches 531, the limiting protrusions 543 are arranged in cooperation with the limiting hole 53, the end surfaces of the limiting protrusions 543 along the rotation direction of the handle 52 are guiding inclined planes 544, the end points of the guiding inclined planes 544 on the limiting protrusions 543 are clamped in the notches 531 corresponding to the limiting holes 53, and the handle 52 rotates to drive the connecting shaft 4 to rotate, so that the rack clamping assembly 6 is engaged with or separated from each other.
On the basis of the embodiment, the rack clamping assembly 6 comprises a fixed tooth condition 61, a movable rack member 62, a bearing 63 and a nut 64 which are sequentially sleeved on one end, far away from the handle 52, of the connecting shaft 4, the fixed tooth condition 61 is fixedly arranged on the side end face of the fixed support 3, the fixed tooth condition 61 and the movable tooth condition 62 are arranged in a meshed mode through a rack 65, the movable tooth condition 62, the bearing 63 and the nut 64 are matched into an integrated structure, threads matched and connected with the nut 64 are arranged on the end of the connecting shaft 4, the handle 52 rotates to drive the threads on the connecting shaft 4 and the nut 64 to move to enable the fixed tooth condition 61 to be meshed with the movable rack member 62, and the handle 52 rotates reversely to enable the threads on the connecting shaft 4 to be separated from the nut 64 under the resilience force of the spring 7, so that the fixed tooth.
The working principle of the clamping mechanism is as follows: the handle 52 is rotated to enable the limiting protrusion 543 of the limiting piece 54 to be clamped in the limiting hole 53, the end point of the limiting protrusion 543 is abutted against the notch 531 of the limiting hole 53 to be fixed, the connecting shaft 4 is driven to rotate in the process of rotating the handle 52, the threaded end of the connecting shaft 4 and the nut 64 are enabled to perform spiral motion, so that the moving tooth condition 62 integrated with the nut 64 moves towards the direction of the fixed tooth condition 61, the moving tooth condition 62 and the fixed tooth condition 61 are clamped and fixed, and the steering column 1 is clamped at the moment; and the handle 52 is rotated reversely, so that the threaded end of the connecting shaft 4 and the nut 64 perform reverse spiral motion, when the nut 64 is separated from the thread of the connecting shaft 4, the spring 7 rebounds the sheath 8, so that the moving rack member 62 is separated from the fixed tooth condition 61, and the steering column 1 can move up and down in the fixed bracket 3.
In the utility model, the U-shaped support frame 2 is fixedly connected with the steering column 1, the fixing support 3 is fixed or separated with the U-shaped support frame 2 through the connecting shaft 4, the rack clamping component 6 and the like, the weight of the steering column is reduced by fixing the U-shaped support frame 2 with the steering column 1, the up-and-down direction of the steering column 1 can be conveniently adjusted, an operator is not required to apply larger force, and the lightweight design is satisfied; the both sides of fixed bolster 3 are the structure of own under spring 7's resilience effect and take place to warp easily, and this defect is effectively improved in the setting of elastic component 9, fixed bolster 3 receives under spring 7 outside tension or the effect of inside resilience force, elastic component 9 then applys the counter force to fixed bolster 3, avoid fixed bolster 3 both sides to take place to warp, and the quality of fixed bolster 3 can suitably be alleviateed in the setting of elastic component 9, adopt platelike structure, when satisfying the light-weighted design of vehicle, can guarantee again each side performance of steering column 1.
Further, the fixed gear condition 61 and the rack 65 on the movable rack member 62 are vertically arranged, the vertically arranged rack 65 increases the contact area of the fixed gear condition 61 and the movable rack member 62, the clamping and locking effect of the steering column 1 is ensured, and particularly after the steering column 1 is impacted by radial force, the vertically meshed fixed gear condition 61 and the movable rack member 62 can prevent the relative sliding between the U-shaped support frame 2 and the fixed support 3.
Further, as shown in fig. 5, the movable rack member 62 is provided with a groove 66 for accommodating the whole fixed rack member 61, a cylindrical portion 67 is arranged at the center of the side end surface of the movable rack member 62, the cylindrical portion 67 is communicated with the movable rack member 62 and sleeved on the connecting shaft 4, the cylindrical portion 67 sequentially penetrates through the fixed rack member 61, the fixed bracket 3 and the U-shaped support frame 2 and is in contact with the sheath 8, in the clamping and locking state, the whole fixed rack member 61 is embedded in the movable rack member 62 to prevent the left and right sliding of the two, and simultaneously, the engagement of the two racks 65 prevents the vertical sliding of the two in the clamping state, so that the clamping and locking effect is further improved.
Furthermore, the fixing support 3 is provided with a cover plate 10, and the fixing support 3 is connected with an external part through the cover plate 10.
Furthermore, the two ends of the U-shaped support frame 2 extend inwards and are in contact with the outer end face of the steering column 1, the U-shaped support frame 2 extends inwards to be transited to the outer end face of the steering column 1, and stress at the joint of the support frame 2 and the steering column 1 is reduced.
The present invention is not limited to the above-described embodiments, and the description of the embodiments and the description is only illustrative of the principles of the present invention, and various changes and modifications can be made without departing from the spirit and scope of the present invention, which fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A steering column clamping mechanism is characterized in that: the steering column support comprises a fixed support (3) sleeved on a steering column (1) and a U-shaped support frame (2) supporting the steering column (1), wherein two ends of the fixed support (3) respectively extend to two ends of the U-shaped support frame (2) and are sequentially contacted with each other, the fixed support (3) and the U-shaped support frame (2) are respectively arranged at opposite positions of the steering column (1), and the U-shaped support frame (2) is fixedly connected with the steering column (1);
a connecting shaft (4) horizontally penetrates through the fixing support (3) and the U-shaped support frame (2), a handle assembly (5) is arranged at one end of the connecting shaft (4), a rack clamping assembly (6) is arranged at the other end of the connecting shaft (4), a spring (7) and a sheath (8) are sequentially sleeved on the connecting shaft (4) between the U-shaped support frames (2), and the rack clamping assembly (6) is meshed or separated along with the rotation of the handle assembly (5);
the steering column is characterized in that an elastic piece (9) is arranged on the fixed support (3), two ends of the elastic piece (9) are respectively clamped and arranged at positions, located on two sides of the steering column (1), of the fixed support (3), the positions, close to the two ends, of the elastic piece (9) are respectively provided with a coil spring portion (91), and the two coil spring portions (91) extend oppositely and are communicated through a U-shaped portion (92).
2. The steering column clamping mechanism according to claim 1, wherein: the handle component (5) comprises a connecting plate (51) sleeved on one end of the connecting shaft (4), the connecting plate (51) is connected with a handle (52), a plurality of limit holes (53) with the same circumference are arranged on the connecting plate (51) around the connecting shaft (4), a position on the connecting shaft (4) close to the connecting plate (51) is sleeved with a limiting piece (54), the limiting piece (54) is arranged between the connecting plate (51) and the U-shaped supporting frame (2), the limiting piece (54) comprises a plate body part (541) and a barrel body part (542) penetrating through the fixed bracket (3) and the U-shaped supporting frame (2), the side end surface of the plate body part (541) close to the limiting hole (53) is provided with a plurality of limiting bulges (543) which sequentially correspond to the limiting hole (53), the plate body part (541), the cylinder body part (542) and the limiting bulge (543) are of an integrated structure;
spacing hole (53) are fan-shaped structure, a plurality of spacing holes (53) have notch (531) along handle (52) direction of rotation's extreme point department, spacing arch (543) and spacing hole (53) cooperate to set up and a plurality of spacing arch (543) are for direction inclined plane (544) along handle (52) direction of rotation's terminal surface, the extreme point department card of direction inclined plane (544) on spacing arch (543) is in notch (531) that correspond spacing hole (53), thereby handle (52) rotate and drive connecting axle (4) and rotate the meshing or the separation that realize rack clamping unit (6).
3. The steering column clamping mechanism according to claim 2, wherein: rack clamping assembly (6) is including establishing in proper order fixed tooth condition (61), removal rack spare (62), bearing (63) and nut (64) on connecting axle (4) keep away from one end of handle (52), fixed tooth condition (61) is fixed to be set up on the side end face of fixed bolster (3), fixed tooth condition (61) and removal rack spare (62) pass through rack (65) meshing setting, removal tooth condition (62), bearing (63) and nut (64) cooperation formula structure as an organic whole, the screw thread of being connected with nut (64) cooperation has on this end of connecting axle (4), handle (52) rotate screw thread and nut (64) motion on drive connecting axle (4) make fixed tooth condition (61) and removal rack spare (62) mesh, handle (52) antiport makes screw thread and nut (64) on connecting axle (4) separate thereby realize fixed tooth condition (61) and remove rack spare (61) and receive spring (7) resilience effect Separation of the moving rack conditions (62).
4. A steering column clamping mechanism according to claim 3, wherein: the fixed gear condition (61) and a rack (65) on the movable rack member (62) are vertically arranged.
5. The steering column clamping mechanism according to claim 4, wherein: the movable gear condition (62) is provided with a groove (66) for accommodating the whole fixed gear condition (61), the center of the side end face of the movable gear condition (62) is provided with a cylindrical part (67), the cylindrical part (67) is communicated with the movable rack member (62) and sleeved on the connecting shaft (4), and the cylindrical part (67) sequentially penetrates through the fixed gear condition (61), the fixed bracket (3) and the U-shaped support frame (2) and is in contact with the sheath (8).
6. The steering column clamping mechanism according to claim 5, wherein: the fixed support (3) is provided with a cover plate (10).
7. The steering column clamping mechanism according to claim 5, wherein: two ends of the U-shaped support frame (2) extend inwards and are in contact with the outer end face of the steering column (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921793298.0U CN210734270U (en) | 2019-10-24 | 2019-10-24 | Steering column clamping mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921793298.0U CN210734270U (en) | 2019-10-24 | 2019-10-24 | Steering column clamping mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210734270U true CN210734270U (en) | 2020-06-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921793298.0U Active CN210734270U (en) | 2019-10-24 | 2019-10-24 | Steering column clamping mechanism |
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| CN (1) | CN210734270U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112498464A (en) * | 2020-12-18 | 2021-03-16 | 东风汽车集团有限公司 | Steering wheel position memory adjusting device |
| CN114226330A (en) * | 2021-12-20 | 2022-03-25 | 江苏达鑫机械制造有限公司 | Part cleaning device for production and processing of direction column connecting piece |
-
2019
- 2019-10-24 CN CN201921793298.0U patent/CN210734270U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112498464A (en) * | 2020-12-18 | 2021-03-16 | 东风汽车集团有限公司 | Steering wheel position memory adjusting device |
| CN114226330A (en) * | 2021-12-20 | 2022-03-25 | 江苏达鑫机械制造有限公司 | Part cleaning device for production and processing of direction column connecting piece |
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