阅读说明：本技术 高度可调节的滑柱及汽车 (Height-adjustable sliding column and automobile ) 是由 雷海风 于 2020-04-09 设计创作，主要内容包括：本发明公开了一种高度可调节的滑柱,包括减振器、弹簧以及调节机构,减振器包括活塞杆和活塞缸,活塞杆的下部伸入活塞缸内,活塞杆的上部设有上托盘,活塞缸上设有下托盘,弹簧套设在活塞缸上,弹簧的顶部与上托盘相抵靠,弹簧的底部与下托盘相抵靠,调节机构设于活塞杆的上部,活塞杆通过调节机构与车身相连,调节机构用于调节活塞杆相对车身之间的距离。通过调节机构调节活塞杆相对车身之间的距离,从而可以调节车身底盘的高度,使车辆能够根据不同路况和不同行车速度调节不同的底盘高度,增加消费者的驾驶乐趣。本发明还公开了一种汽车,包括高度可调节的滑柱。(The invention discloses a height-adjustable sliding column which comprises a shock absorber, a spring and an adjusting mechanism, wherein the shock absorber comprises a piston rod and a piston cylinder, the lower part of the piston rod extends into the piston cylinder, the upper part of the piston rod is provided with an upper tray, the piston cylinder is provided with a lower tray, the spring is sleeved on the piston cylinder, the top of the spring is abutted against the upper tray, the bottom of the spring is abutted against the lower tray, the adjusting mechanism is arranged on the upper part of the piston rod, the piston rod is connected with a vehicle body through the adjusting mechanism, and the adjusting mechanism is used for adjusting the distance between the piston rod and the. The distance between the piston rods and the vehicle body is adjusted through the adjusting mechanism, so that the height of a chassis of the vehicle body can be adjusted, the vehicle can adjust different chassis heights according to different road conditions and different driving speeds, and the driving pleasure of consumers is increased. The invention also discloses an automobile comprising the height-adjustable sliding column.)

1. A height-adjustable strut, comprising a shock absorber (10), a spring (20) and an adjustment mechanism (30), the shock absorber (10) comprises a piston rod (11) and a piston cylinder (12), the lower part of the piston rod (11) extends into the piston cylinder (12), the upper part of the piston rod (11) is provided with an upper tray (111), the piston cylinder (12) is provided with a lower tray (121), the spring (20) is sleeved on the piston cylinder (12), the top of the spring (20) is propped against the upper tray (111), the bottom of the spring (20) is abutted against the lower tray (121), the adjusting mechanism (30) is arranged at the upper part of the piston rod (11), the piston rod (11) is connected with the vehicle body through the adjusting mechanism (30), and the adjusting mechanism (30) is used for adjusting the distance between the piston rod (11) and the vehicle body.

2. The height-adjustable strut according to claim 1, wherein the adjusting mechanism (30) comprises a support upper split body (31) and a support lower split body (32), the support upper split body (31) is used for being connected with the vehicle body, the support lower split body (32) is connected with the piston rod (11), the support upper split body (31) is arranged in a through hole (311) matched with the support lower split body (32), the support lower split body (32) is arranged in the through hole (311), and the support upper split body (31) and the support lower split body (32) are matched through threads.

3. The height-adjustable strut according to claim 2, wherein the circumference of the upper bracket body (31) is provided with a first flange (312), and the upper bracket body (31) is connected to the vehicle body through the first flange (312).

4. Height adjustable traveller according to claim 2, characterised in that the seat lower part (32) is provided at its periphery with a second flange (321), the bottom of the second flange (321) abutting against the upper tray (111).

5. Height adjustable traveller according to claim 4, characterised in that the upper part of the piston rod (11) is further provided with a plane bearing (112), the plane bearing (112) being sandwiched between the second flanging (321) and the upper tray (111).

6. Height adjustable traveller according to claim 2, characterised in that the upper part of the piston rod (11) is further provided with a fixing structure (113), which fixing structure (113) is used to fix the lower bearing body (32) to the piston rod (11).

7. Height-adjustable traveller according to claim 6, characterised in that the holder lower part (32) is provided with a receiving chamber (322) for receiving the fixing structure (113), the fixing structure (113) being provided in the receiving chamber (322).

8. Height adjustable strut according to claim 2, characterised in that the bottom of the lower part-body (32) of the support is provided with a buffer block (323), the buffer block (323) being of cup-shaped construction, the opening of the buffer block (323) facing the side of the spring (20).

9. Height adjustable traveller according to claim 2, characterised in that the adjusting mechanism (30) further comprises a gland (33), the gland (33) being provided in the through hole (311) of the carrier upper part-body (31), the gland (33) being screw-fitted with the carrier upper part-body (31).

10. A motor vehicle, characterized in that it comprises a height-adjustable strut according to any one of claims 1 to 9.

Technical Field

The invention relates to the technical field of automobile suspensions, in particular to a height-adjustable sliding column and an automobile.

Background

With the continuous improvement of the research and development level of automobile manufacturing, people have higher requirements on the controllability and comfort of automobiles. Among other things, vehicle shock absorption systems play a vital role. The automobile sliding column is an important part for automobile vibration reduction, is arranged between an automobile body chassis and wheels and comprises a vibration absorber and a spring. In the production process of the automobile, the finished automobile posture of the automobile needs to be confirmed, namely, the distance between an automobile body chassis and wheels is adjusted, the distance is controlled by the height of the sliding columns, and the finished automobile posture meeting the requirements can be found by replacing the sliding columns with different heights.

In the actual driving process of the vehicle, the lower the gravity center of the vehicle is, the better the gravity center of the vehicle is, namely the lower the vehicle chassis is, the better the vehicle chassis is, the operation performance of the whole vehicle is favorably improved, and the driving comfort of the vehicle with the higher ground clearance of the chassis cannot be ensured. For a severe road surface, the gravity center of the vehicle is higher and better, namely the vehicle chassis is higher and better, the passing performance of the whole vehicle can be improved, the chassis is prevented from being scratched, the visual field of a driver can be improved, and the passing performance of the chassis can not be guaranteed by the vehicle with the lower ground clearance of the chassis. Because the lower end of the spring is fixed on the shock absorber, the length of the spring must be changed when the height of the sliding column is adjusted, so the sliding column is very troublesome to replace. The specific disassembly step is to disassemble the wheels, disassemble the sliding column from the chassis of the vehicle body and replace the spring of the sliding column, and then reinstall the sliding column, so that the whole disassembly and assembly process is very complicated, the speed is low, and the efficiency is low. Therefore, it is necessary to design a height-adjustable slide column so that the height of the chassis can be adjusted.

Disclosure of Invention

In order to overcome the defects and shortcomings in the prior art, the invention aims to provide a height-adjustable sliding column and an automobile, so as to solve the problem that the height of an automobile chassis in the prior art is not adjustable.

The purpose of the invention is realized by the following technical scheme:

the invention provides a height-adjustable sliding column which comprises a shock absorber, a spring and an adjusting mechanism, wherein the shock absorber comprises a piston rod and a piston cylinder, the lower part of the piston rod extends into the piston cylinder, an upper tray is arranged at the upper part of the piston rod, a lower tray is arranged on the piston cylinder, the spring is sleeved on the piston cylinder, the top of the spring is abutted against the upper tray, the bottom of the spring is abutted against the lower tray, the adjusting mechanism is arranged at the upper part of the piston rod, the piston rod is connected with a vehicle body through the adjusting mechanism, and the adjusting mechanism is used for adjusting the distance between the piston rod and the vehicle body.

Further, the adjusting mechanism comprises a support upper split and a support lower split, the support upper split is used for being connected with the vehicle body, the support lower split is connected with the piston rod, the support upper split is arranged in a through hole matched with the support lower split, the support lower split is arranged in the through hole, and the support upper split and the support lower split are matched through threads.

Furthermore, the periphery of the upper split body of the support is provided with a first flanging, and the upper split body of the support is connected with the vehicle body through the first flanging.

Furthermore, the periphery of the lower split body of the support is provided with a second flanging, and the bottom of the second flanging is abutted against the upper tray.

Furthermore, the upper part of the piston rod is also provided with a plane bearing, and the plane bearing is clamped between the second flanging and the upper tray.

Furthermore, the upper part of the piston rod is also provided with a fixing structure, and the fixing structure is used for fixing the lower split of the support and the piston rod.

Furthermore, the lower split of the support is provided with an accommodating cavity for accommodating the fixing structure, and the fixing structure is arranged in the accommodating cavity.

Furthermore, the bottom of the lower split body of the support is provided with a buffer block, the buffer block is of a cup-shaped structure, and an opening of the buffer block faces one side of the spring.

Further, this adjustment mechanism still includes the gland, and this gland is located the through-hole of this support components of a whole that can function independently, and this gland passes through screw-thread fit with this support components of a whole that can function independently.

The invention also provides an automobile comprising a height-adjustable strut as described above.

The invention has the beneficial effects that: the height-adjustable sliding column comprises a shock absorber, a spring and an adjusting mechanism, the shock absorber comprises a piston rod and a piston cylinder, the lower portion of the piston rod extends into the piston cylinder, an upper tray is arranged on the upper portion of the piston rod, a lower tray is arranged on the piston cylinder, the spring is sleeved on the piston cylinder, the top of the spring is abutted against the upper tray, the bottom of the spring is abutted against the lower tray, the adjusting mechanism is arranged on the upper portion of the piston rod, the piston rod is connected with an automobile body through the adjusting mechanism, and the adjusting mechanism is used for adjusting the distance between the piston rod. The distance between the piston rods and the vehicle body is adjusted through the adjusting mechanism, so that the height of a chassis of the vehicle body can be adjusted, the vehicle can adjust different chassis heights according to different road conditions and different driving speeds, and the driving pleasure of consumers is increased.

Drawings

FIG. 1 is a schematic perspective view of a highly adjustable slide in one embodiment of the present invention;

FIG. 2 is a schematic front view of a highly adjustable strut in accordance with an embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of a highly adjustable strut in accordance with one embodiment of the present invention prior to adjustment;

FIG. 4 is a schematic view of a portion of the enlarged structure at E in FIG. 3;

FIG. 5 is a schematic cross-sectional view of a highly adjustable slide post after adjustment in accordance with one embodiment of the present invention;

FIG. 6 is an enlarged partial schematic view of FIG. 5 at F;

FIG. 7 is a schematic cross-sectional view of a split body on a support according to an embodiment of the present invention;

FIG. 8 is a schematic cross-sectional view of a lower split body of a support in an embodiment of the present invention;

fig. 9 is a schematic cross-sectional structure view of a lower split body of the support in the second embodiment of the present invention.

In the figure: the shock absorber 10, the piston rod 11, the upper tray 111, the plane bearing 112, the fixed structure 113, the piston cylinder 12 and the lower tray 121; a spring 20; the adjusting mechanism 30, the support upper split 31, the through hole 311, the first flange 312, the mounting hole 312a, the support lower split 32, the second flange 321, the accommodating cavity 322, the buffer block 323, the first operating hole 324, the gland 33 and the second operating hole 331.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects of the height adjustable strut and the vehicle according to the present invention with reference to the accompanying drawings and preferred embodiments is as follows:

[ example one ]

Fig. 1 is a schematic perspective structure diagram of a high-adjustable strut in a first embodiment of the present invention, fig. 2 is a schematic front view structure diagram of the high-adjustable strut in the first embodiment of the present invention, fig. 3 is a schematic sectional structure diagram of the high-adjustable strut in the first embodiment of the present invention before adjustment, fig. 4 is a schematic partial enlarged structural diagram at E in fig. 3, fig. 5 is a schematic sectional structure diagram of the high-adjustable strut in the first embodiment of the present invention after adjustment, fig. 6 is a schematic partial enlarged structural diagram at F in fig. 5, fig. 7 is a schematic sectional structure diagram of a split body on a support in the first embodiment of the present invention, and fig. 8 is a schematic sectional structure diagram of a split body under the support in the first embodiment of the present invention.

As shown in fig. 1 to 8, a height-adjustable strut provided in an embodiment of the present invention includes a shock absorber 10, a spring 20, and an adjusting mechanism 30, where the shock absorber 10 includes a piston rod 11 and a piston cylinder 12, a lower portion of the piston rod 11 extends into the piston cylinder 12, an upper tray 111 is disposed on an upper portion of the piston rod 11, a lower tray 121 is disposed on the piston cylinder 12, the spring 20 is sleeved on the piston cylinder 12, a top portion of the spring 20 abuts against the upper tray 111, a bottom portion of the spring 20 abuts against the lower tray 121, the adjusting mechanism 30 is disposed on an upper portion of the piston rod 11, the piston rod 11 is connected to a vehicle body through the adjusting mechanism 30, and the adjusting mechanism 30 is used to adjust a distance between the piston rod 11 and the. The strut is arranged along the height direction when being installed on a whole vehicle, the shock absorber 10 is connected to a chassis of a vehicle body through an adjusting mechanism 30, the lower end of a piston cylinder 12 of the shock absorber 10 is connected with a wheel, an upper tray 111 moves up and down along with the vehicle body, extrudes a spring 20, and is buffered through the contraction of the spring 20, so that the excitation of a road surface is attenuated, and for the more detailed description of the strut, reference is made to the prior art, and the description is omitted.

As shown in fig. 4 and 6, in the present embodiment, the adjusting mechanism 30 includes a holder upper part 31 and a holder lower part 32, the holder upper part 31 is provided with a through hole 311 engaged with the holder lower part 32, that is, the holder upper part 31 is a tubular structure. The upper support split 31 is used for connecting with a vehicle body, and the lower support split 32 is connected with the top end of the piston rod 11. The support lower split body 32 is arranged in the through hole 311, and the support upper split body 31 is matched with the support lower split body 32 through threads. The upper support split body 31 is provided with an internal thread in the through hole 311, and the lower support split body 32 is provided with an external thread matched with the internal thread. When the height of the vehicle body is adjusted, the support lower split body 32 is rotated, and the support lower split body 32 can move up and down through a thread structure, so that the distance between the shock absorber 10 and the vehicle body can be adjusted, and the height of a chassis of the vehicle body is adjusted. Preferably, the distance adjustment range of the support upper split body 31 and the support lower split body 32 is 0-30 mm. Of course, in other embodiments, the adjusting mechanism 30 may also be a telescopic cylinder or a telescopic oil cylinder, and is not limited thereto.

In this embodiment, the periphery of the support upper split body 31 is provided with a first flange 312, the first flange 312 is provided with a mounting hole 312a, and the support upper split body 31 is connected with the vehicle body through the first flange 312. The number of the mounting holes 312a is three, and of course, the number of the mounting holes 312a may be four or five according to the requirement of the actual vehicle type, the vehicle body is provided with screw holes corresponding to the mounting holes 312a, and the support upper split body 31 is fixed to the vehicle body by matching bolts with the mounting holes 312a and the vehicle body through models M8 or M10. Of course, in other embodiments, the seat upper separation body 31 may be welded with the vehicle body, but the welding does not facilitate the detachment or replacement of the seat upper separation body 31, but does not exclude this embodiment.

Further, a second flange 321 is arranged on the periphery of the lower support body 32, and the bottom of the second flange 321 abuts against the upper tray 111. Before the height of the vehicle body is adjusted, the top of the second flange 321 abuts against the first flange 312. The upper portion of the piston rod 11 is further provided with a plane bearing 112, and the plane bearing 112 is clamped between the second flange 321 and the upper tray 111. In this embodiment, the plane bearing 112 and the upper tray 111 can rotate relative to the lower support body 32, and the plane bearing 112 can reduce the friction force with the lower support body 32, thereby reducing the difficulty in rotating the lower support body 32. Of course, the plane bearing 112 and the upper tray 111 can also rotate together with the lower support body 32, but the friction force between the upper tray 111 and the spring 20 is large, which increases the difficulty of adjustment.

In this embodiment, the upper portion of the piston rod 11 is further provided with a fixing structure 113, the fixing structure 113 is used for fixing the support lower split 32 and the piston rod 11, the fixing structure 113 includes a cushion block and a nut, and the nut is in threaded fit with the top of the piston rod 11. The lower support body 32 is provided with an accommodating cavity 322 (fig. 8) for accommodating the fixing structure 113, and the fixing structure 113 is arranged in the accommodating cavity 322 to improve the overall beauty of the slide column.

In this embodiment, the bottom of the lower support body 32 is provided with a buffer block 323, the top of the lower support body 32 is provided with a first operation hole 324, the buffer block 323 is a cup-shaped structure, an opening of the buffer block 323 faces one side of the spring 20, and the buffer block 323 can be made of rubber, has certain elasticity, and plays a certain role in shock absorption.

Further, the adjusting mechanism 30 further includes a pressing cover 33, the pressing cover 33 is disposed in the through hole 311 of the support upper split body 31, the pressing cover 33 is in threaded fit with the support upper split body 31, and the bottom of the pressing cover 33 is abutted against the top of the support lower split body 32. The gland 33 is provided with a second operation hole 331, the first operation hole 324 and the second operation hole 331 are both non-circular structures, the first operation hole 324 and the second operation hole 331 can be polygonal (such as regular triangle, regular quadrangle and regular hexagon), the first operation hole 324 and the second operation hole 331 are both matched with a wrench, and the support lower part 32 and the gland 33 are rotated by the wrench. The gland 33 is screwed by a wrench to increase the friction force of the threads, prevent the lower split body 32 of the support from loosening and further enhance the stability after adjustment.

[ example two ]

Fig. 9 is a schematic cross-sectional structure view of a lower split body of the support in the second embodiment of the present invention. As shown in fig. 9, the height-adjustable slide column provided in the second embodiment of the present invention is substantially the same as the height-adjustable slide column in the first embodiment (fig. 1 to 8), except that in this embodiment, the bottom of the lower support body 32 is not provided with the buffer block 323, and the buffer block 323 can be arranged as a separate component at the bottom of the plane bearing 112 or the upper tray 111, so as to reduce the difficulty in manufacturing the lower support body 32.

It should be understood by those skilled in the art that the rest of the structure and the operation principle of the present embodiment are the same as those of the first embodiment, and are not described herein again.

The invention also provides an automobile comprising a height-adjustable strut as described above.

In conclusion, the upper support body 31 is in threaded fit with the lower support body 32, and the lower support body 32 can move up and down relative to the upper support body 31 through the threaded structure, so that the height of the chassis of the vehicle body can be adjusted, the vehicle can adjust different chassis heights according to different road conditions and different driving speeds, and the driving pleasure of consumers is increased. Moreover, the lower support body part 32 is arranged in the through hole 311 of the upper support body part 31, and the occupation amount of the sliding column in the longitudinal space can be reduced.

In this document, the terms upper, lower, left, right, front, rear and the like are used for defining the positions of the structures in the drawings and the positions of the structures relative to each other, and are only used for the clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims. It is also to be understood that the terms "first" and "second," etc., are used herein for descriptive purposes only and are not to be construed as limiting in number or order.

Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.