CN215153771U - Height adjusting device - Google Patents

Abstract

The utility model provides a height adjusting device. The height adjustment device includes a height adjustment assembly, the height adjustment assembly including: a support structure; the positioning structure comprises a first positioning plate and a second positioning plate which are arranged on the supporting structure at intervals along a first direction, an accommodating cavity for installing the air spring is formed between the first positioning plate and the second positioning plate, and the first positioning plate or the second positioning plate is movably arranged relative to the supporting structure along the first direction; the first locking structure is connected with the supporting structure and used for locking the first positioning plate or the second positioning plate which is movably arranged relative to the supporting structure on the supporting structure, so that a preset distance is reserved between the first positioning plate and the second positioning plate. The technical scheme of the utility model in, height adjusting device can highly carry out accurate adjustment to the gasbag.

Description

Height adjusting device

Technical Field

The utility model relates to a frock technical field particularly, relates to a height adjusting device.

Background

The suspension is a general name of all force transmission connecting devices between a vehicle frame and a vehicle axle. The suspension has the function of transmitting vertical reaction force, longitudinal reaction force and lateral reaction force acting on wheels on a road surface and moment caused by the reaction forces to a frame so as to ensure normal running of the automobile. The suspension generally includes an elastic member, a shock absorber, and a guide mechanism, wherein the elastic member elastically connects the vehicle frame and the axle, and can perform a function of buffering the shock.

There are two types of suspensions commonly used on passenger vehicles today: ordinary suspensions and air suspensions. The elastic element of a common suspension is a steel plate spring, while the elastic element of an air suspension is an air spring, which is usually called an air bag for short. Adjusting the height of the air bag is one of the most important procedures in the process of debugging the air suspension system. The air bag keeps the correct installation height, so that the suspension is in the correct height state and the suspension is guaranteed to have reasonable up-down jumping amount, and the driving stability and safety of the vehicle are guaranteed.

The height of the air bag is adjusted when the debugging stage is carried out after the whole vehicle is assembled; generally, a measuring tape is used for measuring the height of the air bag and adjusting the height of the air bag according to a measuring result, but because the surrounding of the air bag is provided with a skeleton structure, the operation space is limited, and the accessibility is poor, the height of the air bag is difficult to directly and accurately measure by using the measuring tape, so that the height of the air bag is difficult to accurately adjust.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a height adjusting device, which can accurately adjust the height of an air bag.

In order to achieve the above object, the utility model provides a height adjusting device, including the height adjusting part, the height adjusting part includes: a support structure; the positioning structure comprises a first positioning plate and a second positioning plate which are arranged on the supporting structure at intervals along a first direction, an accommodating cavity for installing the air spring is formed between the first positioning plate and the second positioning plate, and the first positioning plate or the second positioning plate is movably arranged relative to the supporting structure along the first direction; the first locking structure is connected with the supporting structure and used for locking the first positioning plate or the second positioning plate which is movably arranged relative to the supporting structure on the supporting structure, so that a preset distance is reserved between the first positioning plate and the second positioning plate.

Further, a second positioning plate is movably arranged with respect to the support structure; the height adjusting device further comprises an adjusting structure used for adjusting the position of the second positioning plate relative to the supporting structure, the adjusting structure is arranged on the supporting structure, the second positioning plate is located between the adjusting structure and the first locking structure, and the first locking structure is matched with the adjusting structure to lock the second positioning plate on the supporting structure.

Further, the adjustment structure includes: the sleeves are provided with first through holes, and the height dimensions of the sleeves are different along the axial direction of the first through holes; the first stop piece is fixedly connected with the supporting structure; the supporting structure is selectively matched with one of the sleeves, one end of the sleeve matched with the supporting structure is abutted with the first stop piece, and the other end of the sleeve is abutted with the first locking structure through the second positioning plate.

Further, adjust the structure including the sleeve that has the screw hole, bearing structure and sleeve screw-thread fit, telescopic one end is passed through second locating plate and first locking structure butt.

Further, the height adjusting assembly further comprises a second stop member fixedly connected with the supporting structure and a second locking structure connected with the supporting structure, and one end of the second stop member is abutted to the second locking structure through the first positioning plate so as to lock the first positioning plate on the supporting structure.

Further, bearing structure includes the bracing piece, is equipped with first external screw thread on at least partial outer wall of bracing piece, and first lock structure is including having the first lock nut with the first internal thread of first external screw thread looks adaptation, first lock nut and bracing piece screw-thread fit.

Furthermore, a first positioning hole is formed in the first positioning plate, and one end of the supporting rod penetrates through the first positioning hole; or the second positioning plate is provided with a second positioning hole, and one end of the supporting rod penetrates out of the second positioning hole.

Further, the height adjusting device comprises a plurality of height adjusting assemblies arranged at intervals along the second direction, and every two adjacent height adjusting assemblies are connected through a connecting structure.

Further, the two supporting structures of two adjacent height adjusting assemblies are connected through a connecting structure; or the two first stop parts of the two adjacent height adjusting assemblies are connected through a connecting structure, and the two first stop parts and the connecting structure are integrally formed; or the two second stop parts of the two adjacent height adjusting assemblies are connected through the connecting structure, and the two second stop parts and the connecting structure are integrally formed.

Furthermore, the number of the height adjusting assemblies is two, and at least one first positioning plate in the two height adjusting assemblies is rotatably arranged around the supporting rod of the supporting structure relative to the supporting structure; or the number of the height adjusting assemblies is two, and at least one second positioning plate in the two height adjusting assemblies is rotatably arranged around the supporting rod of the supporting structure relative to the supporting structure.

By applying the technical scheme of the utility model, the supporting structure is used for supporting, installing the fixed positioning structure and the first locking structure; because the first positioning plate or the second positioning plate can move relative to the supporting structure along the first direction, the distance between the first positioning plate and the second positioning plate can be adjusted, namely the height dimension of the accommodating cavity along the first direction can be adjusted, so that the accommodating cavity can be suitable for air springs with different height dimensions; according to actual needs, the first positioning plate or the second positioning plate which can move relative to the supporting structure can be locked on the supporting structure through the first locking structure, a preset distance is reserved between the first positioning plate and the second positioning plate, so that the height of the air spring installed in the accommodating cavity can be adjusted to be the same as the preset distance, and the purpose of accurately adjusting the height of the air spring (namely, an air bag) is achieved.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic structural view of an embodiment of a height adjustment device according to the invention;

FIG. 2 shows a front view of the height adjustment apparatus of FIG. 1;

FIG. 3 shows a left side view of the height adjustment apparatus of FIG. 1;

FIG. 4 shows a top view of the height adjustment device of FIG. 1;

FIG. 5 shows a schematic structural view of the support structure, adjustment structure and connection structure connections of the height adjustment device of FIG. 1;

FIG. 6 shows a top view of FIG. 5;

FIG. 7 shows a schematic view of the structure of the sleeve of the adjustment structure of the height adjustment device of FIG. 1;

FIG. 8 shows a side view of the sleeve of FIG. 7;

FIG. 9 is a schematic view of a first positioning plate of the positioning structure of the height adjustment device of FIG. 1;

FIG. 10 is a schematic diagram showing a state in which the height adjustment device of FIG. 1 is connected to an air spring (wherein the air spring is not inflated);

FIG. 11 is a schematic view of the structure of FIG. 10 in another condition (wherein the air spring is inflated to a predetermined height); and

fig. 12 shows a top view of fig. 11.

Wherein the figures include the following reference numerals:

10. a support structure; 11. a support bar; 20. a positioning structure; 21. a first positioning plate; 22. a second positioning plate; 23. a first positioning hole; 30. an air spring; 31. an air bag body; 32. an upper cover plate; 33. a lower cover plate; 40. a first locking structure; 41. a first lock nut; 50. an adjustment structure; 51. a sleeve; 52. a first through hole; 60. a second locking structure; 61. a second lock nut; 70. and (5) a connecting structure.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In the present application, where the contrary is not intended, the use of directional words such as "upper, lower, top and bottom" is generally with respect to the orientation shown in the drawings, or with respect to the component itself in the vertical, perpendicular or gravitational direction; likewise, for ease of understanding and description, "inner and outer" refer to the inner and outer relative to the profile of the components themselves, but the above directional words are not intended to limit the invention.

Use the tape measure hardly among the prior art directly, accurately measure the gasbag height, lead to being difficult to the problem that the gasbag height carries out the accuracy adjustment, the utility model discloses reach the embodiment of the utility model provides a height adjusting device.

It should be noted that, in the embodiment of the present invention, the air spring 30 is an air bag.

As shown in fig. 1 to 4, in an embodiment of the present invention, the height adjusting device includes a height adjusting assembly, the height adjusting assembly includes a supporting structure 10, a positioning structure 20 and a first locking structure 40, the positioning structure 20 includes a first positioning plate 21 and a second positioning plate 22 disposed at an interval along a first direction on the supporting structure 10, a receiving cavity for mounting the air spring 30 is formed between the first positioning plate 21 and the second positioning plate 22, and the first positioning plate 21 or the second positioning plate 22 is movably disposed along the first direction relative to the supporting structure 10; the first locking structure 40 is connected to the support structure 10, and the first locking structure 40 is used for locking the first positioning plate 21 or the second positioning plate 22 movably arranged relative to the support structure 10 on the support structure 10, so that a preset distance is formed between the first positioning plate 21 and the second positioning plate 22.

In the above arrangement, the supporting structure 10 is used for supporting and mounting the fixed positioning structure 20 and the first locking structure 40; since the first positioning plate 21 or the second positioning plate 22 is movable in the first direction relative to the support structure 10, the distance between the first positioning plate 21 and the second positioning plate 22 is adjustable, that is, the height dimension of the accommodating cavity in the first direction is adjustable, so that the accommodating cavity can be adapted to air springs 30 with different height dimensions; according to actual needs, the first positioning plate 21 or the second positioning plate 22, which is movable relative to the support structure 10, can be locked on the support structure 10 by the first locking structure 40, so that a preset distance is formed between the first positioning plate 21 and the second positioning plate 22, and the height of the air spring 30 installed in the accommodating cavity can be adjusted to a preset height which is the same as the preset distance, so that the purpose of accurately adjusting the height of the air spring 30 (i.e. the air bag) is achieved.

As shown in fig. 1 to 3, in the embodiment of the present invention, the second positioning plate 22 is movably disposed relative to the supporting structure 10; the height adjustment arrangement further comprises an adjustment structure 50 for adjusting the position of the second positioning plate 22 relative to the support structure 10, the adjustment structure 50 being arranged at the support structure 10, the second positioning plate 22 being located between the adjustment structure 50 and the first locking structure 40, the first locking structure 40 cooperating with the adjustment structure 50 to lock the second positioning plate 22 to the support structure 10.

In the above arrangement, the second positioning plate 22 is movable relative to the support structure 10, and by adjusting the position of the second positioning plate 22 relative to the support structure 10, the distance between the second positioning plate 22 and the first positioning plate 21, that is, the height dimension of the accommodating cavity in the first direction can be adjusted; the adjusting structure 50 is used for adjusting the position of the second positioning plate 22 relative to the support structure 10 to adjust the distance between the second positioning plate 22 and the first positioning plate 21; after the adjustment is completed, since the second positioning plate 22 is located between the adjusting structure 50 and the first locking structure 40, the second positioning plate 22 can be locked on the supporting structure 10 by the cooperation of the first locking structure 40 and the adjusting structure 50, so that the first positioning plate 21 and the second positioning plate 22 have a predetermined distance therebetween.

Specifically, as shown in fig. 1 to 3, 7 and 8, in an embodiment of the present invention, the adjusting structure 50 includes a first stopper and a plurality of sleeves 51, each sleeve 51 has a first through hole 52, and the height dimensions of the plurality of sleeves 51 are different along the axial direction of the first through hole 52; the first stop is fixedly connected to the support structure 10; the support structure 10 is selectively engaged with one of the plurality of sleeves 51, one end of the sleeve 51 engaged with the support structure 10 abuts the first stopper, and the other end of the sleeve 51 abuts the first locking structure 40 through the second positioning plate 22.

In the above arrangement, the supporting structure 10 is selectively engaged with one of the plurality of sleeves 51, one end of the sleeve 51 engaged with the supporting structure 10 abuts against the first stop member, the other end of the sleeve 51 abuts against the first locking structure 40 through the second positioning plate 22, and the first stop member is fixedly connected with the supporting structure 10, so that the first stop member can stop the movement of the sleeve 51 towards the side far away from the first locking structure 40, and the first stop member is engaged with the first locking structure 40 to lock the sleeve 51 and the second positioning plate 22, thereby achieving the purpose of locking the second positioning plate 22 on the supporting structure 10; because the height dimensions of the plurality of sleeves 51 along the axial direction of the first through hole 52 are all different, the distance between the second positioning plate 22 and the first stop member can be made different by the matching of the supporting structure 10 and different sleeves 51, and because the first stop member is fixedly mounted on the supporting structure 10, the position of the second positioning plate 22 relative to the supporting structure 10 can be made different by the above arrangement, that is, the position of the second positioning plate 22 relative to the supporting structure 10 can be adjusted by the matching of the supporting structure 10 and different sleeves 51, thereby achieving the purpose of adjusting the distance between the second positioning plate 22 and the first positioning plate 21.

As shown in fig. 2 and 5, L1 is the distance between the first positioning plate 21 and the first stopper, i.e. the fixed length of the height adjusting assembly, L2 is the height dimension of the sleeve 51, i.e. the adjustable length of the height adjusting assembly, the length of L1 plus L2 and the air bag height (i.e. the height dimension of the air spring 30 in the first direction), and L1 and L2 should be determined according to the air bag height of the front suspension or the rear suspension; for example, if the air bag height of the front suspension is 245 mm and the air bag height of the rear suspension is 260 mm, L1 may be 220 mm, where L2 of the front suspension is 25 mm and L2 of the rear suspension is 40 mm. The purpose of adjusting the air bag height of the front suspension and the air bag height of the rear suspension can be achieved by replacing the sleeve 51.

Preferably, the first stop is welded to the support structure 10 (in particular, the first stop is welded to the support bar 11 of the support structure 10).

Of course, in an alternative embodiment not shown in the drawings of the present application, it is also possible to make the adjusting structure 50 include a sleeve 51 having a threaded hole, the supporting structure 10 is in threaded fit with the sleeve 51, and one end of the sleeve 51 is abutted with the first locking structure 40 through the second positioning plate 22, according to actual needs. The sleeve 51 is in threaded fit with the support structure 10, and the rotational movement of the sleeve 51 can be converted into a linear movement of the sleeve 51 relative to the support structure 10, that is, the sleeve 51 can move relative to the support structure 10, and since one end of the sleeve 51 is in contact with the second positioning plate 22, the sleeve 51 can drive the second positioning plate 22 to move relative to the support structure 10, so as to adjust the position of the second positioning plate 22 relative to the support structure 10; after the adjustment is completed, the second positioning plate 22 can be locked on the supporting structure 10 by the sleeve 51 cooperating with the first locking structure 40, so that the first positioning plate 21 and the second positioning plate 22 have a predetermined distance therebetween.

As shown in fig. 1 to 4, in the embodiment of the present invention, the height adjusting assembly further includes a second stop member fixedly connected to the supporting structure 10 and a second locking structure 60 connected to the supporting structure 10, and one end of the second stop member is abutted to the second locking structure 60 through the first positioning plate 21, so as to lock the first positioning plate 21 on the supporting structure 10. The second stopper is fixedly connected with the supporting structure 10, the second stopper can stop the movement of the first positioning plate 21 relative to the supporting structure 10 in the direction of the second stopper, the first positioning plate 21 is located between the second locking structure 60 and the second stopper, and the first positioning plate 21 can be locked between the second locking structure 60 and the second stopper by operating the second locking structure 60, so that the relative position of the first positioning plate 21 and the supporting structure 10 is fixed.

Preferably, the second stop is welded to the support structure 10 (in particular, the second stop is welded to the support bar 11 of the support structure 10).

As shown in fig. 1 to 3 and 5, in an embodiment of the present invention, the supporting structure 10 includes a supporting rod 11, at least a portion of an outer wall surface of the supporting rod 11 is provided with a first external thread, the first locking structure 40 includes a first locking nut 41 having a first internal thread adapted to the first external thread, and the first locking nut 41 is in threaded fit with the supporting rod 11. In the above arrangement, the first locking nut 41 is in threaded engagement with the support rod 11, and by screwing the first locking nut 41, the second positioning plate 22 can be locked between the sleeve 51 of the adjusting structure 50 and the first locking nut 41, so that the relative position of the second positioning plate 22 and the support rod 11 is fixed; meanwhile, the first locking nut 41 can be removed from the support rod 11, so that the first locking nut 41 is disengaged from the support rod 11, and the sleeve 51 can be conveniently detached or replaced.

Specifically, as shown in fig. 1 to fig. 3 and fig. 5, in an embodiment of the present invention, the supporting rod 11 has a first end and a second end which are opposite to each other, and the first positioning plate 21, the second locking structure 60 and the second stop member are all located at the first end of the supporting rod 11, wherein the second stop member is fixedly connected (for example, welded) to the supporting rod 11, the first positioning plate 21 is located between the second locking structure 60 and the second stop member, and by operating the second locking structure 60, the first positioning plate 21 can be locked between the second locking structure 60 and the second stop member, so that the relative positions of the first positioning plate 21 and the supporting rod 11 are fixed; the second positioning plate 22, the adjusting structure 50 and the first locking structure 40 are all located at the second end of the supporting rod 11, wherein the first stop member, the sleeve 51, the second positioning plate 22 and the first locking structure 40 are sequentially arranged along the first direction, the second positioning plate 22 can be locked between the sleeve 51 and the first locking nut 41 by screwing the first locking nut 41 of the first locking structure 40, so that the relative positions of the second positioning plate 22 and the supporting rod 11 are fixed, when the first locking nut 41 is removed from the supporting rod 11, the sleeve 51 can be installed, detached or replaced, the supporting rod 11 is matched with different sleeves 51, the position of the second positioning plate 22 relative to the supporting rod 11 can be adjusted, and thus the distance between the second positioning plate 22 and the first positioning plate 21 can be adjusted; the second end of the support rod 11 passes through the first through hole 52 on the sleeve 51 and then is connected with the first locking nut 41, and at least part of the outer wall surface of the second end of the support rod 11 is provided with a first external thread, so that the second end of the support rod 11 is in threaded fit with the first locking nut 41.

Preferably, as shown in fig. 1 to 3, 5 and 9, in an embodiment of the present invention, at least a portion of an outer wall surface of the first end of the support rod 11 is provided with a second external thread, the second locking structure 60 includes a second locking nut 61 having a second internal thread adapted to the second external thread, and the second locking nut 61 is in threaded engagement with the support rod 11; the first positioning plate 21 is provided with a first positioning hole 23, the first end of the support rod 11 passes through the first positioning hole 23 and then is connected with the second locking nut 61, the first positioning plate 21 is connected with the support rod 11 through the first positioning hole 23, and the first positioning plate 21 can be locked between the second stop member and the second locking nut 61 by screwing the second locking nut 61, so that the relative position of the first positioning plate 21 and the support rod 11 is fixed.

Preferably, in the embodiment of the present invention, the second positioning plate 22 is provided with a second positioning hole, the second end of the supporting rod 11 passes through the first through hole 52 and the second positioning hole and then is connected to the first locking nut 41, the second positioning plate 22 is connected to the supporting rod 11 through the second positioning hole, and the second positioning plate 22 can be locked between the sleeve 51 and the first locking nut 41 by screwing the first locking nut 41, so that the relative positions of the second positioning plate 22 and the supporting rod 11 are fixed.

Preferably, in the embodiment of the present invention, the structure of the first positioning plate 21 is the same as that of the second positioning plate 22.

As shown in fig. 1, fig. 2, fig. 4 to fig. 6, in an embodiment of the present invention, the height adjusting device includes a plurality of height adjusting assemblies spaced along the second direction, and two adjacent height adjusting assemblies are connected by a connecting structure 70. The air spring 30 can be installed in a cavity defined by a plurality of accommodating cavities of a plurality of height adjusting assemblies, the accuracy of adjusting the size of the air spring 30 can be ensured, and the size of the cavity for installing the air spring 30 along the second direction can be increased by arranging a plurality of height adjusting assemblies, so that the height adjusting device can be adapted to the air springs 30 with different sizes along the second direction, and the adaptability of the height adjusting device is improved. Two adjacent height adjusting assemblies are connected by a connecting structure 70, so that the structural stability is improved.

Specifically, as shown in fig. 1, fig. 2, and fig. 4 to fig. 6, in an embodiment of the present invention, the height adjusting device includes two height adjusting assemblies disposed at intervals along the second direction.

As shown in fig. 1, fig. 2, and fig. 4 to fig. 6, in the embodiment of the present invention, two connecting structures 70 are disposed between two adjacent height adjusting assemblies at intervals along the first direction, and both the two connecting structures 70 are used for connecting the two adjacent height adjusting assemblies, so that the connection stability can be improved; specifically, the two first stop members of the two adjacent height adjusting assemblies are connected by one of the connecting structures 70, and the two first stop members are integrally formed with the connecting structure 70, and the two second stop members of the two adjacent height adjusting assemblies are connected by the other of the connecting structures 70, and the two second stop members are integrally formed with the connecting structure 70. The arrangement can improve the connection stability and the structural stability between two adjacent height adjusting assemblies, and is convenient to process.

Of course, in an alternative embodiment not shown in the drawings of the present application, it is also possible to connect two support structures 10 of two adjacent height adjustment assemblies through the connecting structure 70 (specifically, two support rods 11 of two support structures 10 are connected through the connecting structure 70) according to actual needs; alternatively, only the two first stoppers of the adjacent two height adjusting assemblies are connected by the connecting structure 70; alternatively, only the two second stoppers of the adjacent two height adjusting assemblies are connected by the connecting structure 70.

As shown in fig. 1, 2 and 4, in the embodiment of the present invention, the number of the height adjusting assemblies is two, two first positioning plates 21 in the two height adjusting assemblies are both rotatably disposed around the supporting rod 11 of the supporting structure 10 relative to the supporting structure 10, and two second positioning plates 22 in the two height adjusting assemblies are both rotatably disposed around the supporting rod 11 of the supporting structure 10 relative to the supporting structure 10.

In the above arrangement, each first positioning plate 21 is rotatable around the central axis of the support rod 11 relative to the support structure 10 corresponding to the first positioning plate 21, and each second positioning plate 22 is rotatable around the central axis of the support rod 11 relative to the support structure 10 corresponding to the second positioning plate 22, by the above arrangement, not only the included angle α between the two first positioning plates 21 can be adjusted, but also the included angle β between the two second positioning plates 22 can be adjusted, so that the size of the cavity, which is surrounded by the two accommodating cavities and used for mounting the air spring 30, in the second direction can be adjusted, the height adjusting device can be applicable to air springs 30 of different sizes, and the adaptability of the height adjusting device is improved.

The air bag (i.e. the air spring 30) comprises an air bag body 31, an upper cover plate 32 connected with the air bag body 31 and a lower cover plate 33 connected with the air bag body 31, wherein the air bag body 31 is positioned between the upper cover plate 32 and the lower cover plate 33, and the air bag body 31 can be inflated or deflated to adjust the height of the air bag; preferably, the height of the air-bag is adjustable by inflating the air-bag bladder 31 through a height valve. Preferably, the included angle α between the two first alignment plates 21 may be adjusted according to the radial size of the upper cover plate 32 connected to the airbag housing 31, and the included angle β between the two second alignment plates 22 may be adjusted according to the radial size of the lower cover plate 33 connected to the airbag housing 31, so that the first alignment plates 21 and the second alignment plates 22 can better define the size of the air spring 30 and the height adjusting device and the air spring 30 are more stably connected.

Of course, in an alternative embodiment not shown in the drawings of the present application, it is also possible to make the number of the height adjusting assemblies plural according to actual needs, and at least one first positioning plate 21 of the plural height adjusting assemblies is rotatably disposed around the supporting rod 11 of the supporting structure 10 with respect to the supporting structure 10; alternatively, at least one second positioning plate 22 of the plurality of height adjustment assemblies is rotatably disposed about the support rod 11 of the support structure 10 relative to the support structure 10.

The embodiment of the utility model provides an in, height adjusting device's working process as follows:

as shown in fig. 10 to 12, after L1, L2, α, and β are determined according to the size of the air spring 30, the first positioning plate 21 is hung above the upper cover plate 32 of the air spring 30 as shown in fig. 10; the height valve is opened again to inflate the airbag 31 of the air spring 30 until the lower cover plate 33 abuts against the second positioning plate 22, the height of the air spring 30 is adjusted to a preset height, and at this time, the air spring 30 is adjusted to a correct and accurate height state, as shown in fig. 11 and 12. The whole adjusting process is quick and accurate without the help of a measuring tool.

The main aim at of this application has skeleton texture around solving prior art gasbag, and the structure is complicated, and operating space is limited, and the approachability is poor, adjusts the problem of difficulty, in order to solve above-mentioned problem, the utility model discloses reach the embodiment provides a design assembly is simple, light in weight, and height adjusting device that can accurate adjustment gasbag height with low costs, the height adjusting device of this application can be under the condition with the help of no measuring tool, quick, accurate adjustment gasbag height.

The embodiment of the utility model provides an in, height adjusting device has following advantage:

1. the structure is simple, the assembly is easy, the cost is low, and the weight is light;

2. the air bag can be flexibly suitable for various air bag sizes, and has strong universality and strong adaptability;

3. the height of the air bag can be adjusted quickly and accurately, the operability is strong, and the production efficiency is improved.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects: the supporting structure is used for supporting and installing the fixed positioning structure and the first locking structure; because the first positioning plate or the second positioning plate can move relative to the supporting structure along the first direction, the distance between the first positioning plate and the second positioning plate can be adjusted, namely the height dimension of the accommodating cavity along the first direction can be adjusted, so that the accommodating cavity can be suitable for air springs with different height dimensions; according to actual needs, the first positioning plate or the second positioning plate which can move relative to the supporting structure can be locked on the supporting structure through the first locking structure, a preset distance is reserved between the first positioning plate and the second positioning plate, so that the height of the air spring installed in the accommodating cavity can be adjusted to be the same as the preset distance, and the purpose of accurately adjusting the height of the air spring (namely, an air bag) is achieved.

It is obvious that the above described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A height adjustment device comprising a height adjustment assembly, the height adjustment assembly comprising:

a support structure (10);

the positioning structure (20) comprises a first positioning plate (21) and a second positioning plate (22) which are arranged on the supporting structure (10) at intervals along a first direction, a containing cavity for installing an air spring (30) is formed between the first positioning plate (21) and the second positioning plate (22), and the first positioning plate (21) or the second positioning plate (22) is movably arranged relative to the supporting structure (10) along the first direction;

the first locking structure (40) is connected with the supporting structure (10), and the first locking structure (40) is used for locking the first positioning plate (21) or the second positioning plate (22) movably arranged relative to the supporting structure (10) on the supporting structure (10) so that a preset distance is reserved between the first positioning plate (21) and the second positioning plate (22).

2. Height adjustment device according to claim 1, wherein the second positioning plate (22) is movably arranged with respect to the support structure (10); the height adjusting device further comprises an adjusting structure (50) for adjusting the position of the second positioning plate (22) relative to the supporting structure (10), wherein the adjusting structure (50) is arranged on the supporting structure (10), the second positioning plate (22) is positioned between the adjusting structure (50) and the first locking structure (40), and the first locking structure (40) is matched with the adjusting structure (50) to lock the second positioning plate (22) on the supporting structure (10).

3. Height adjustment device according to claim 2, wherein the adjustment structure (50) comprises:

a plurality of sleeves (51), each sleeve (51) having a first through hole (52), the sleeves (51) having different height dimensions along the axial direction of the first through hole (52);

a first stop member fixedly connected to the support structure (10);

the supporting structure (10) is selectively matched with one of the sleeves (51), one end of the sleeve (51) matched with the supporting structure (10) is abutted with the first stop piece, and the other end of the sleeve (51) is abutted with the first locking structure (40) through the second positioning plate (22).

4. Height adjustment device according to claim 2, wherein the adjustment structure (50) comprises a sleeve (51) having a threaded hole, the support structure (10) being in threaded engagement with the sleeve (51), one end of the sleeve (51) being in abutment with the first locking structure (40) via the second positioning plate (22).

5. The height adjustment device of claim 1, further comprising a second stop fixedly connected to the support structure (10) and a second locking structure (60) connected to the support structure (10), one end of the second stop abutting the second locking structure (60) through the first positioning plate (21) to lock the first positioning plate (21) to the support structure (10).

6. Height adjusting device according to any one of claims 1 to 5, characterized in that the support structure (10) comprises a support bar (11), at least a part of the outer wall surface of the support bar (11) is provided with a first external thread, the first locking structure (40) comprises a first locking nut (41) having a first internal thread adapted to the first external thread, the first locking nut (41) being in threaded engagement with the support bar (11).

7. Height adjustment device according to claim 6,

a first positioning hole (23) is formed in the first positioning plate (21), and one end of the supporting rod (11) penetrates through the first positioning hole (23); alternatively, the first and second electrodes may be,

a second positioning hole is formed in the second positioning plate (22), and one end of the supporting rod (11) penetrates through the second positioning hole.

8. The height adjusting device according to any one of claims 1 to 5, comprising a plurality of the height adjusting assemblies arranged at intervals in the second direction, and adjacent two of the height adjusting assemblies are connected by a connecting structure (70).

9. Height adjustment device according to claim 8,

two of the support structures (10) of two adjacent height adjustment assemblies are connected by the connecting structure (70); alternatively, the first and second electrodes may be,

two first stop members of two adjacent height adjusting assemblies are connected through the connecting structure (70), and the two first stop members and the connecting structure (70) are integrally formed; alternatively, the first and second electrodes may be,

two second stop parts of two adjacent height adjusting assemblies are connected through the connecting structure (70), and the two second stop parts and the connecting structure (70) are integrally formed.

10. Height adjustment device according to claim 8,

the number of the height adjusting assemblies is two, and at least one first positioning plate (21) in the two height adjusting assemblies is rotatably arranged around a supporting rod (11) of the supporting structure (10) relative to the supporting structure (10); alternatively, the first and second electrodes may be,

the number of the height adjusting assemblies is two, and at least one second positioning plate (22) in the two height adjusting assemblies is rotatably arranged around a supporting rod (11) of the supporting structure (10) relative to the supporting structure (10).

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