CN216546352U - A force-limiting steering wheel column adjustment handle - Google Patents

Abstract

The utility model relates to the field of automobile steering coil column adjustment, and particularly discloses a force-limiting steering coil column adjusting handle. The adjustable installation sleeve comprises an installation sleeve, an installation column and an adjusting unit, wherein the adjusting unit comprises a guide sliding block and an adjusting handle, the cross section of the installation sleeve is U-shaped, a strip-shaped through groove is formed in the installation sleeve, the installation column penetrates through the adjusting through groove and is in sliding connection with the side wall of the adjusting through groove, a positioning cylinder is in threaded connection with the installation column and sequentially penetrates through the adjusting handle and the guide sliding block, the adjusting handle is in rotating connection with the positioning cylinder, the guide sliding block is in sliding connection with the positioning cylinder, a groove is formed in the side wall of the guide sliding block, a limiting block is fixed on the adjusting handle, and the limiting block can push the guide sliding block to one side far away from the installation sleeve; and a spring is arranged on one side of the guide sliding block, which is far away from the adjusting handle. The force limiting type direction coil pipe column adjusting handle can prevent a driver from being injured when colliding with the handle.

Description

A force-limiting steering wheel column adjustment handle

technical field

The utility model relates to the field of adjustment of a steering wheel column of an automobile, in particular to a force-limiting steering wheel column adjustment handle.

Background technique

The column is the structure that connects the steering wheel and the steering gear. In the current design of passenger cars, in order to facilitate the operation needs of drivers with different heights and arm lengths, the steering wheel is often designed in an adjustable form. The specific form is: The adjustment handle on the open column adjusts the position of the steering wheel. When the desired position is reached, the locking handle fixes the steering wheel. In the conventional design, the handle is fastened by a nut. When the vehicle crashes, the driver's knee will hit the adjustment handle. Since the handle is locked, the handle cannot be displaced when it is hit, so the handle collides with the driver's knee. The force is large, causing pain and even injury to the driver's knee.

Utility model content

The purpose of the utility model is to provide a force-limiting steering wheel column adjustment handle, so as to avoid injury when the driver collides with the handle.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a force-limiting steering wheel column adjustment handle, including an installation sleeve, an installation column and an adjustment unit, the adjustment unit includes a guide slider and an adjustment handle, and the cross-section of the installation sleeve is U-shaped, the installation sleeve is provided with a strip-shaped through groove, the installation column passes through the adjustment through groove and is slidably connected with the side wall of the adjustment through groove, the installation column is threadedly connected with a positioning cylinder, and the positioning cylinder passes through the adjustment handle and the guide slider in turn. The adjustment handle is rotatably connected with the positioning cylinder, the guide slider is slidably connected with the positioning cylinder, the side wall of the guide slider is provided with a groove, and a limit block located in the groove is fixed on the adjustment handle, and the limit block can move the guide slider Push to the side away from the installation sleeve; the side of the guide slider away from the adjustment handle is provided with a spring for pressing the adjustment handle to the side close to the installation sleeve.

The beneficial effects of this program are:

In this solution, the installation sleeve is sleeved on the pipe string. At this time, the installation pillar is located on the side of the pipe string to limit the position of the pipe string. Since the protrusion cooperates with the installation pillar, the adjusting handle is pressed on the installation sleeve by the spring, so The adjustment handle cannot move, making it impossible to turn and move the string. When the steering wheel needs to be adjusted, slowly turn the adjustment handle, and the adjustment handle drives the guide slider to rotate through the cooperation of the positioning block and the groove, thereby driving the positioning cylinder to rotate relative to the installation column, and adjust the positioning cylinder to the side away from the installation sleeve. At this time, the spring Elongation, the elastic force on the adjustment handle is reduced, so that the adjustment handle can slide along the strip-shaped through groove, and the space for adjustment and rotation is reserved for the pipe string, and then cooperates with the existing pipe string adjustment structure, so that the existing pipe The column adjustment structure can adjust the steering wheel. The adjustment handle in this solution replaces the handle in the existing pipe string adjustment structure. When the adjustment handle is impacted, the adjustment handle rotates rapidly under the action of the impact, and the limit block guides the slider to the side away from the installation sleeve. Therefore, the adjusting handle can be rotated relative to the guide slider at this time, so the collision force between the adjusting handle and the driver's knee will be reduced, and the driver will not feel excessive pain or be injured.

Further, the adjusting unit includes a protruding block, the protruding block is mounted on the positioning cylinder, and the protruding block can be adjusted along the axial direction of the positioning cylinder, and one end of the spring away from the guide slider abuts the protruding block.

The beneficial effects of this solution are: the bump in this solution can limit the spring, and the distance between the bump and the installation sleeve can be adjusted when the bump is adjusted along the axial direction of the positioning cylinder, so as to adjust the compression range of the spring, so that the spring can The elastic force of the guide slider changes, and finally the pressure between the guide slider and the adjustment handle is changed, so that when the adjustment handle is hit and rotates rapidly, the positioning block can slide out of the groove and move the guide slider to the side away from the installation sleeve promote.

Further, the protruding block is threadedly connected with the outer wall of the positioning cylinder.

The beneficial effects of this solution are: the adjustment of the bumps in this solution is convenient.

Further, the spring is sleeved on the positioning cylinder.

The beneficial effects of the solution are: the positioning cylinder guides the spring, preventing the spring from bending and deforming, and ensuring that the guide slider is pressed on the adjusting handle under the elastic force of the spring.

Further, the outer wall of the positioning cylinder is provided with a guide groove, the guide groove extends along the axial direction of the positioning cylinder, a guide block is slidably connected in the guide groove, and the guide block and the guide slider are fixed.

The beneficial effects of the solution are: the guide groove and the guide block cooperate to limit and guide the guide slider, so as to ensure that the guide slider can only slide along the axial direction of the positioning cylinder and not rotate relative to the positioning cylinder.

Further, the upper surface of the adjustment handle is provided with a positioning groove, and the bottom of the guide slider is located in the positioning groove.

The beneficial effect of the solution is that the positioning grooves limit the guide slider, so as to avoid radial deviation between the adjustment handle and the guide slider.

Further, the adjustment handle includes a fixedly connected pressing part and a handle part, the pressing part is attached to the guide slider, the pressing part is attached to the installation sleeve, the distance between the handle part and the installation sleeve is greater than zero, the installation post penetrates the pressing part, and the positioning Both the groove and the bump are located on the pressing portion.

The beneficial effect of this solution is that there is a gap between the handle part and the installation sleeve in this solution, and it is convenient to hold the handle part when the pipe string needs to be adjusted.

Further, the side wall of the positioning block facing the side wall of the groove is an arc surface.

The beneficial effect of this solution is that the side wall of the positioning block in contact with the side wall of the groove has no side wall, so as to avoid scratches on the side wall of the groove.

Description of drawings

1 is a perspective view of an embodiment of the present utility model;

Fig. 2 is a perspective view of the adjustment unit in Fig. 1;

Fig. 3 is the top view of Fig. 1;

FIG. 4 is a perspective view of another shape of the positioning block in FIG. 1 .

Detailed ways

The following is further described in detail by specific embodiments:

Reference numerals in the accompanying drawings include: mounting column 1, positioning cylinder 2, guide groove 21, bump 3, spring 4, guide slider 5, adjustment handle 6, pressing part 61, handle part 62, positioning block 63, Mounting sleeve 7 , strip-shaped through groove 71 , pipe column 8 .

Example

A force-limiting steering wheel column adjustment handle, as shown in Figure 1, includes an installation sleeve 7, an installation column 1 and an adjustment unit, the installation sleeve 7 has a U-shaped cross section, and the installation sleeve 7 is sleeved on the pipe column 8, The mounting sleeve 7 is provided with a bar-shaped through groove 71 , and the bar-shaped through groove 71 is located on the right side of the pipe column 8 . The cross-section of the mounting column 1 in the axial direction is T-shaped, and the rod portion of the mounting column 1 passes through the bar-shaped through groove 71. In this embodiment, the length of the opposite parts of the mounting column 1 and the upper and lower side walls of the bar-shaped through groove 71 is greater than the height, The mounting post 1 is only slidably fitted with the mounting sleeve 7 . A positioning cylinder 2 is sleeved on the mounting post 1, the head of the mounting post 1 is in contact with the front end of the mounting sleeve 7, the positioning cylinder 2 is located on the rear side of the mounting sleeve 7 and is threadedly connected with the mounting post 1, and the end of the positioning cylinder 2 is connected to the mounting post 1. The mounting sleeves 7 abut against each other to position the mounting post 1 .

The adjustment unit includes a guide slider 5, an adjustment handle 6 and a bump 3. The adjustment handle 6 includes a pressing portion 61 and a handle portion 62. As shown in Figures 2 and 3, the positioning cylinder 2 passes through the pressing portion 61 and the guide slider in sequence. 5 and the bump 3, the pressing part 61 is in clearance fit with the positioning cylinder 2, so that the pressing part 61 can rotate relative to the positioning cylinder 2. The vertical cross-section of the handle portion 62 is an inverted V shape, and the distance between the lower surface of the handle portion 62 and the mounting sleeve 7 is greater than zero, which is convenient for holding the handle portion 62 .

The outer wall of the positioning cylinder 2 is provided with a guide groove 21 along the axial direction, the inner wall of the guide slider 5 is integrally formed with a guide block, the top of the pressing portion 61 is provided with a positioning groove with an upward opening, and the bottom of the guide slider 5 is located in the positioning groove. . The bottom of the guide slider 5 is provided with a groove, and a positioning block 63 is welded on the pressing part 61. The positioning block 63 is located in the groove. The vertical section of the positioning block 63 in this embodiment is a semicircle, so the positioning block The upper surface of 63 is an arc surface, which can avoid damage to the side wall of the groove. Referring to FIG. 4 , the cross section of the positioning block 63 in this embodiment may also be a trapezoid or a triangle with an inclined surface, so as to push the guide slider 5 to the side away from the mounting sleeve 7 .

The bump 3 is threadedly connected with the upper end of the positioning cylinder 2, a spring 4 is arranged between the bump 3 and the guide slider 5, the spring 4 is sleeved on the positioning cylinder 2, and the two ends of the spring 4 are respectively connected with the guide slider 5 and the protrusion. Block 3 offsets.

The specific implementation process is as follows:

The force-limiting steering wheel column 8 adjustment handle in this solution is used in conjunction with the existing column adjustment structure. At this time, the adjustment handle 6 replaces the handle in the existing column adjustment structure, and the positioning block 63 is initially located in the groove. At this time, the spring 4 is in a compressed state, and the pressing portion 61 is pressed on the mounting sleeve 7 under the elastic force of the spring 4 , so that the mounting post 1 does not slide along the strip-shaped through groove 71 . When the pipe column 8 needs to be adjusted, the handle portion 62 is slowly rotated clockwise with the positioning cylinder 2 as the center of rotation. With the cooperation of the block and the guide groove 21, the positioning cylinder 2 is driven to rotate synchronously, so that the positioning cylinder 2 is adjusted to the side away from the installation sleeve 7. At this time, the distance between the convex block 3 and the installation sleeve 7 increases, and the spring 4 extends. , the elastic force of the spring 4 to the guide slider 5 is reduced, and the pressure between the pressing part 61 and the mounting sleeve 7 is reduced. At this time, the mounting column 1 can be slid along the strip groove to the side away from the pipe The column 8 reserves an adjustment space, so that the pipe string 8 can be adjusted under the action of the existing pipe string adjustment structure.

After the adjustment is completed, slowly rotate the handle part 62 in the reverse direction to reset the positioning cylinder 2 to the side close to the installation sleeve 7, increase the pressure of the spring 4 on the guide slider 5, and make the pressing part 61 counteract the installation sleeve 7 again. Limit the pipe string 8 again.

When the driver's knee collides with the handle part 62, the handle part 62 rotates rapidly under the action of the collision, the positioning block 63 slides out of the groove, and pushes the guide slider 5 to the side away from the installation sleeve 7 At this time, the spring 4 is compressed by the guide slider 5 again, and the elastic force of the spring 4 to the guide slider 5 increases, so the pressure between the pressing portion 61 and the mounting sleeve 7 increases, preventing the mounting post 1 from being displaced. During this process, since the handle portion 62 can rotate when it is collided, the collision force between the handle portion 62 and the knee is reduced, and the driver will not experience excessive pain or be injured.

The above are only the embodiments of the present invention, and common knowledge such as well-known specific technical solutions and/or characteristics in the solutions are not described too much here. It should be pointed out that for those skilled in the art, under the premise of not departing from the technical solution of the present utility model, several modifications and improvements can also be made, which should also be regarded as the protection scope of the present utility model, and these will not affect the present utility model. The effect of the implementation of the utility model and the practicability of the patent. The scope of protection claimed in this application shall be based on the content of the claims, and the descriptions of the specific implementation manners in the description can be used to interpret the content of the claims.

Claims (8)

1. A force-limiting steering wheel column adjustment handle, characterized in that: comprising an installation sleeve, an installation column and an adjustment unit, the adjustment unit comprises a guide slider and an adjustment handle, and the cross-section of the installation sleeve is U-shaped, The installation sleeve is provided with a strip-shaped through groove, the installation column passes through the adjustment through groove and is slidably connected with the side wall of the adjustment through groove, and a positioning cylinder is threadedly connected to the installation column, and the positioning cylinder passes through the adjustment handle in turn. and guide slider, the adjustment handle is rotatably connected with the positioning cylinder, the guide slider is slidably connected with the positioning cylinder, the side wall of the guide slider is provided with a groove, and the adjustment handle is fixed with a groove located in the groove The limit block can push the guide slider to the side away from the installation sleeve; the side of the guide slider away from the adjustment handle is provided with a spring for pressing the adjustment handle to the side close to the installation sleeve. 2 . The force-limiting steering wheel column adjustment handle according to claim 1 , wherein the adjustment unit comprises a convex block, the convex block is mounted on the positioning cylinder, and the convex block can be along the axial direction of the positioning cylinder. 3 . Adjustment, the end of the spring away from the guide slider abuts against the bump. 3 . The force-limiting steering wheel column adjustment handle according to claim 2 , wherein the convex block is threadedly connected to the outer wall of the positioning cylinder. 4 . 4 . The force-limiting steering wheel column adjustment handle according to claim 1 , wherein the spring is sleeved on the positioning cylinder. 5 . 5 . The force-limiting steering wheel column adjustment handle according to claim 2 , wherein the outer wall of the positioning cylinder is provided with a guide groove, the guide groove extends along the axial direction of the positioning cylinder, and the guide groove is arranged in the guide groove. 6 . A guide block is slidably connected, and the guide block is fixed with the guide slider. 6 . The force-limiting steering wheel column adjustment handle according to claim 1 , wherein the upper surface of the adjustment handle is provided with a positioning groove, and the bottom of the guide slider is located in the positioning groove. 7 . 7 . The force-limiting steering wheel column adjustment handle according to claim 6 , wherein the adjustment handle comprises a fixedly connected pressing part and a handle part, the pressing part is attached to the guide slider, and the pressing The mounting part is attached to the mounting sleeve, the distance between the handle part and the mounting sleeve is greater than zero, the mounting post penetrates the pressing part, and the positioning groove and the convex block are both located on the pressing part. 8 . The force-limiting steering wheel column adjustment handle according to claim 1 , wherein the side wall of the positioning block facing the side wall of the groove is an arc surface. 9 .

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