CN219432339U

CN219432339U - Automobile shock absorber

Info

Publication number: CN219432339U
Application number: CN202320824773.6U
Authority: CN
Inventors: 周博; 张颢霖
Original assignee: GAC Honda Automobile Co Ltd; Guangqi Honda Automobile Research and Development Co Ltd
Current assignee: GAC Honda Automobile Co Ltd; Guangqi Honda Automobile Research and Development Co Ltd
Priority date: 2023-04-12
Filing date: 2023-04-12
Publication date: 2023-07-28
Anticipated expiration: 2033-04-12

Abstract

The utility model discloses an automobile shock absorber, which comprises a shock absorber body and a stabilizer bar pull rod bracket, wherein the shock absorber body is provided with an outer cylinder extending along the length direction, an external thread is arranged on the outer side of the outer cylinder, the stabilizer bar pull rod bracket is sleeved on the outer side of the outer cylinder and can adjust the position along the length direction of the outer cylinder, a first locking ring and a second locking ring are arranged on the external thread, the stabilizer bar pull rod bracket is arranged between the first locking ring and the second locking ring, and the first locking ring and the second locking ring are meshed with the external thread and lock the stabilizer bar pull rod bracket. According to the technical scheme, the adjustable structural form of the stabilizer bar pull rod bracket is adopted, the auxiliary structure of the outer wall of the shock absorber is not required to be welded repeatedly, the cost is reduced, repeated disassembly and assembly in the testing process are avoided, and the accuracy of the testing result is improved.

Description

Automobile shock absorber

Technical Field

The utility model is used in the field of automobile accessories, and particularly relates to an automobile shock absorber.

Background

Hard spots are critical in determining geometric movement of a vehicle during the design of an automotive suspension. The track of the pitch or roll of the vehicle, the gain of the four wheel localization angle generated by the wheel runout, and the path of the external force transmitted through the suspension are all determined by a series of hard points forming a geometric relationship.

Wherein, the stabilizer bar pull rod bracket welded on the shock absorber determines the position of the hard point at the upper end of the stabilizer bar pull rod. The hard points influence the rolling degree of the vehicle and the change rate of the toe-in angle, so that the welding position of the stabilizer bar pull rod bracket on the shock absorber can be repeatedly adjusted in the vehicle debugging process so as to realize the performance requirement of the whole vehicle.

The following technical scheme is generally adopted in the prior art:

(1) adjusting hard point coordinates on the virtual model, and analyzing the influence of hard point adjustment on performance through CAE software;

(2) the stabilizer bar bracket was welded to various envisaged positions and vibration dampers of various samples were tried.

The technical scheme has the following defects:

the cae software has analysis errors.

The CAE software does not consider the volume of the parts in the hard point model, and the real objects can interfere with the peripheral parts.

3. The vibration dampers of different samples are tried to be manufactured, the workload is large, the cost is high, the period is long, and engineers are required to be repeatedly disassembled and assembled in the test process.

4. The same batch of valve system vibration absorbers welded with different stabilizer bar pull rod brackets have fluctuation of damping force values, and the test result is affected.

Disclosure of Invention

The utility model aims to at least solve one of the technical problems in the prior art and provide an automobile shock absorber.

The technical scheme adopted for solving the technical problems is as follows:

the utility model provides an automobile shock absorber, includes shock absorber body and stabilizer bar pull rod support, the shock absorber body has the urceolus that extends along length direction, the urceolus outside is equipped with the external screw thread, stabilizer bar pull rod support suit in the urceolus outside, and can follow the length direction adjustment position of urceolus, install first lock ring and second lock ring on the external screw thread, stabilizer bar pull rod support set in first lock ring with between the second lock ring, first lock ring and second lock ring mesh in the external screw thread and will stabilizer bar pull rod support locking.

In combination with the above implementation manner, in some implementation manners, the stabilizer further comprises a threaded sleeve, the threaded sleeve extends for a certain length, the threaded sleeve is fixedly sleeved outside the outer cylinder of the shock absorber body, the outer wall surface of the threaded sleeve is provided with the external thread, and the stabilizer bar bracket is sleeved on the threaded sleeve.

In combination with the above implementation, in some implementations, the stabilizer bar bracket includes a sleeve portion and a bracket portion, an inner diameter of the sleeve portion is larger than an outer diameter of the external thread, and the bracket portion is connected with the sleeve portion and is provided with a mounting hole for connection with the stabilizer bar.

In combination with the above, in some implementations, the stabilizer bar bracket is capable of rotating about the threaded sleeve to adjust the angle.

In combination with the above implementation manner, in some implementation manners, a guide ring is sleeved outside the threaded sleeve, the guide ring is arranged between the first locking ring and the stabilizer bar pull rod support, the guide ring is provided with a first tooth structure at one end facing the stabilizer bar pull rod support, the stabilizer bar pull rod support is provided with a second tooth structure at one end facing the guide ring, and the first tooth structure is matched with the second tooth structure and locks the stabilizer bar pull rod support along the rotation direction.

In combination with the above implementations, in some implementations, the stabilizer bar drawbar bracket is provided with angle score lines along a circumferential direction.

In combination with the above implementation manners, in some implementation manners, the outer wall surface of the threaded sleeve is provided with a guide groove extending along the length direction, and the guide ring is provided with a guide rib matched with the guide groove.

In combination with the above implementations, in some implementations, the guide slot is provided with a height score line therein.

In combination with the above implementations, in some implementations, the external thread extends continuously from one end of the threaded sleeve to the other end of the threaded sleeve.

In combination with the above implementation manners, in some implementation manners, annular bosses are provided at the ends of the first locking ring and the second locking ring, and force application grooves are provided on the outer peripheral surfaces of the first locking ring and the second locking ring.

One of the above technical solutions has at least one of the following advantages or beneficial effects: when the height of the stabilizer bar pull rod support needs to be adjusted, the first locking ring and the second locking ring are unscrewed towards the two ends respectively, the stabilizer bar pull rod support is pushed to the target height, and then the first locking ring and the second locking ring are screwed from the two ends respectively, so that the height adjustment and the limiting of the stabilizer bar pull rod support are realized, and the use requirement of the repeated adjustment of the position of the stabilizer bar pull rod support on the shock absorber is met. According to the technical scheme, the adjustable structural form of the stabilizer bar pull rod bracket is adopted, the auxiliary structure of the outer wall of the shock absorber is not required to be welded repeatedly, the cost is reduced, repeated disassembly and assembly in the testing process are avoided, and the accuracy of the testing result is improved.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic diagram of one embodiment of the present utility model;

FIG. 2 is a schematic view of the structure of the damper body of one embodiment shown in FIG. 1;

FIG. 3 is a schematic illustration of the threaded sleeve configuration of one embodiment shown in FIG. 1;

FIG. 4 is a schematic view of the stabilizer bar bracket of one embodiment shown in FIG. 1;

FIG. 5 is a schematic view of the guide ring structure of one embodiment shown in FIG. 1;

fig. 6 is a schematic view of a first locking ring structure of the embodiment shown in fig. 1.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

In the present utility model, if directions (up, down, left, right, front and rear) are described, they are merely for convenience of description of the technical solution of the present utility model, and do not indicate or imply that the technical features must be in a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, "a plurality of" means one or more, and "a plurality of" means two or more, and "greater than", "less than", "exceeding", etc. are understood to not include the present number; "above", "below", "within" and the like are understood to include this number. In the description of the present utility model, the description of "first" and "second" if any is used solely for the purpose of distinguishing between technical features and not necessarily for the purpose of indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the present utility model, unless clearly defined otherwise, terms such as "disposed," "mounted," "connected," and the like should be construed broadly and may be connected directly or indirectly through an intermediate medium, for example; the connecting device can be fixedly connected, detachably connected and integrally formed; can be mechanically connected, electrically connected or capable of communicating with each other; may be a communication between two elements or an interaction between two elements. The specific meaning of the words in the utility model can be reasonably determined by a person skilled in the art in combination with the specific content of the technical solution.

Referring to fig. 1, an embodiment of the present utility model provides an automobile shock absorber, including a shock absorber body 100 and a stabilizer bar bracket 200, the shock absorber body 100 has an outer cylinder 101 extending in a length direction, an external thread 102 is provided at an outer side of the outer cylinder 101, the stabilizer bar bracket 200 is sleeved at an outer side of the outer cylinder 101, and is capable of adjusting a position in the length direction of the outer cylinder 101, a first locking ring 103 and a second locking ring 104 are installed on the external thread 102, the stabilizer bar bracket 200 is disposed between the first locking ring 103 and the second locking ring 104, and the first locking ring 103 and the second locking ring 104 are engaged with the external thread 102 and lock the stabilizer bar bracket 200.

When the height of the stabilizer bar pull rod bracket 200 needs to be adjusted, the first locking ring 103 and the second locking ring 104 are unscrewed from the two ends respectively, the stabilizer bar pull rod bracket 200 is pushed to the target height, and then the first locking ring 103 and the second locking ring 104 are screwed from the two ends respectively, so that the height adjustment and the limiting of the stabilizer bar pull rod bracket 200 are realized, and the use requirement of the repeated adjustment of the position of the stabilizer bar pull rod bracket 200 on the shock absorber is met. According to the technical scheme, the stabilizer bar pull rod support 200 is in an adjustable structural form, auxiliary structures on the outer wall of the shock absorber do not need to be welded repeatedly, the cost is reduced, repeated disassembly and assembly in the testing process are avoided, the accuracy of a testing result is improved, the working strength of engineers is reduced, and the testing working efficiency is improved.

The external thread 102 may be directly disposed on the outer wall surface of the outer cylinder 101, or may be disposed on the outer side of the outer cylinder 101, for example, in some embodiments, referring to fig. 1, 2, and 3, the automobile shock absorber further includes a threaded sleeve 105, the threaded sleeve 105 extends a certain length, the threaded sleeve 105 is fixedly sleeved on the outer side of the outer cylinder 101 of the shock absorber body 100 through welding, riveting, or the like, the external wall surface of the threaded sleeve 105 is provided with the external thread 102, and the stabilizer bar bracket 200 is sleeved on the threaded sleeve 105. In this embodiment, the outer cylinder 101 of the shock absorber body 100 maintains the existing design, and the stabilizer bar bracket 200 is further installed by sleeving the threaded sleeve 105 on the outer side, so that the structural influence on the shock absorber body 100 is smaller, and the cost is saved.

In some embodiments, referring to fig. 1 and 4, the stabilizer bar bracket 200 includes a sleeve portion 201 and a bracket portion 202, the sleeve portion 201 has an inner diameter larger than an outer diameter of the external thread 102, the sleeve portion 201 of the stabilizer bar bracket 200 is sleeved outside the threaded sleeve 105 and is capable of adjusting a position along the threaded sleeve 105, and the bracket portion 202 is connected with the sleeve portion 201 and provided with a mounting hole 203 for connection with the stabilizer bar.

In some embodiments, referring to FIG. 1, stabilizer bar bracket 200 can be rotated about threaded sleeve 105 to adjust the angle to achieve stepless adjustment of the damper outer wall accessory structure angle. In this embodiment, the stabilizer bar bracket 200 has an angle adjusting function, so as to meet the use requirements of more test scenes.

In some embodiments, referring to fig. 1, 4 and 5, the guide ring 106 is sleeved on the outer side of the threaded sleeve 105, the guide ring 106 is disposed between the first locking ring 103 and the stabilizer bar bracket 200, the guide ring 106 is provided with a first tooth structure 107 at one end facing the stabilizer bar bracket 200, the first tooth structure 107 is continuously distributed along the circumferential direction at the end of the guide ring 106, the stabilizer bar bracket 200 is provided with a second tooth structure 204 at one end facing the guide ring 106, and the first tooth structure 107 is matched with the second tooth structure 204 and locks the stabilizer bar bracket 200 along the rotation direction.

When the angle adjustment needs to be performed on the stabilizer bar bracket 200, the first locking ring 103 is unscrewed, the stabilizer bar bracket 200 is separated from the meshing groove of the guide ring 106, the stabilizer bar bracket 200 is rotated to a target angle, the first locking ring 103 is matched and locked with the meshing groove of the guide ring 106, and finally the first locking ring 103 is screwed, so that the angle adjustment and the limit of the stabilizer bar bracket 200 are realized.

Wherein, the stabilizer bar pull rod bracket 200 is provided with angle score lines along the circumferential direction, and the angle is read through the scale lines on the stabilizer bar pull rod bracket 200.

In some embodiments, referring to fig. 1, 3 and 5, the outer wall surface of the threaded sleeve 105 is provided with a guide groove 107 extending in the length direction, and the guide ring 106 is provided with a guide rib 108 that mates with the guide groove 107. The guide ring 106 has guide ribs 108 on its inner wall, which can cooperate with the guide grooves 107 of the grooved threaded sleeve 105, and the guide ring 106 can move along the guide grooves 107 and realize circumferential locking.

Wherein, the guide groove 107 is provided with a height score line, and the height on the scale line can be read to display the installation height of the stabilizer bar bracket 200.

In some embodiments, referring to fig. 3, the external threads 102 extend continuously from one end of the threaded sleeve 105 to the other end of the threaded sleeve 105, with the aid of the continuously extending external threads 102, a continuous stepless adjustment of the stabilizer bar bracket 200 in the height direction is achieved.

Referring to fig. 6, the first locking ring 103 and the second locking ring 104 adopt the same or similar structures, internal threads meshed with the external threads 102 are arranged in inner holes of the first locking ring 103 and the second locking ring 104, annular bosses 109 are arranged at the ends of the first locking ring 103 and the second locking ring 104, and the annular bosses 109 can abut against the stabilizer bar bracket 200 or the guide ring 106 to realize locking. The outer circumferential surfaces of the first lock ring 103 and the second lock ring 104 are provided with a force application groove 110, and the force application groove 110 facilitates the engagement with a wrench.

In the description of the present specification, reference to the terms "example," "embodiment," or "some embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The present utility model is, of course, not limited to the above-described embodiments, and one skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the utility model, and these equivalent modifications or substitutions are intended to be included in the scope of the present utility model as defined in the claims.

Claims

1. The utility model provides an automobile shock absorber, its characterized in that, includes shock absorber body and stabilizer bar pull rod support, the shock absorber body has the urceolus that extends along length direction, the urceolus outside is equipped with the external screw thread, stabilizer bar pull rod support suit in the urceolus outside, and can follow the length direction adjustment position of urceolus, install first lock ring and second lock ring on the external screw thread, stabilizer bar pull rod support set up in first lock ring with between the second lock ring, first lock ring and second lock ring mesh in the external screw thread and with stabilizer bar pull rod support locking.

2. The automobile shock absorber of claim 1, further comprising a threaded sleeve, wherein the threaded sleeve extends for a certain length, the threaded sleeve is fixedly sleeved outside the outer cylinder of the shock absorber body, the outer wall surface of the threaded sleeve is provided with the external threads, and the stabilizer bar bracket is sleeved on the threaded sleeve.

3. The shock absorber of claim 2, wherein the stabilizer bar bracket includes a sleeve portion having an inner diameter larger than an outer diameter of the external screw thread and a bracket portion connected to the sleeve portion and provided with a mounting hole for connection with the stabilizer bar.

4. The vehicle shock absorber according to claim 2, wherein said stabilizer bar bracket is rotatable about said threaded sleeve to adjust an angle.

5. The shock absorber of claim 4, wherein a guide ring is sleeved on the outer side of the threaded sleeve, the guide ring is arranged between the first locking ring and the stabilizer bar bracket, a first tooth structure is arranged at one end of the guide ring facing the stabilizer bar bracket, a second tooth structure is arranged at one end of the stabilizer bar bracket facing the guide ring, and the first tooth structure is matched with the second tooth structure and locks the stabilizer bar bracket in the rotating direction.

6. The vehicle shock absorber according to claim 5, wherein said stabilizer bar bracket is provided with angle score lines along a circumferential direction.

7. The shock absorber of claim 5, wherein the outer wall surface of the threaded sleeve is provided with a guide groove extending in a length direction, and the guide ring is provided with a guide rib engaged with the guide groove.

8. The vehicle shock absorber according to claim 7, wherein said guide groove is provided therein with a height score line.

9. The automotive vibration damper of claim 2 wherein the external threads extend continuously from one end of the threaded sleeve to the other end of the threaded sleeve.

10. The shock absorber of claim 1, wherein ends of the first and second locking rings are provided with annular bosses, and outer circumferential surfaces of the first and second locking rings are provided with urging grooves.