CN223609187U - A sealing structure for an air spring magnetorheological damper system and its application in a vehicle. - Google Patents
A sealing structure for an air spring magnetorheological damper system and its application in a vehicle.Info
- Publication number
- CN223609187U CN223609187U CN202422874218.1U CN202422874218U CN223609187U CN 223609187 U CN223609187 U CN 223609187U CN 202422874218 U CN202422874218 U CN 202422874218U CN 223609187 U CN223609187 U CN 223609187U
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- China
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- pressing block
- air spring
- sealing
- damper system
- magneto
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Abstract
本实用新型属于空气弹簧技术领域，具体公开了一种空簧磁流变减振器系统密封结构及车辆，其中，空簧磁流变减振器系统密封结构包括壳体，壳体的一端设有缓冲件，线束组件贯穿壳体设置；压块组件，设置在壳体内；密封件，密封件通过压块组件固定在壳体内，密封件、壳体、缓冲件和线束组件之间形成有密封空间。本实用新型通过设置的压块组件和密封件，能够通过密封件的作用，在壳体内部对空气弹簧侧的高压气体进行密封，形成了一个独立的密封空间，因此磁流变减振器电磁阀线束从空簧中间穿出，即使高压气体产生了泄漏，也会被密封在形成的密封空间内，提升了空簧磁流变减振器系统的密封性能。
This utility model belongs to the field of air spring technology, specifically disclosing a sealing structure for an air spring magnetorheological damper system and a vehicle thereof. The sealing structure includes a housing with a buffer at one end and a wiring harness assembly passing through it; a pressure block assembly disposed within the housing; and a sealing element fixed within the housing by the pressure block assembly. A sealed space is formed between the sealing element, the housing, the buffer, and the wiring harness assembly. This utility model, through the pressure block assembly and the sealing element, can seal the high-pressure gas on the air spring side inside the housing, forming an independent sealed space. Therefore, even if the high-pressure gas leaks from the center of the air spring, the magnetorheological damper solenoid valve wiring harness will be sealed within the formed sealed space, improving the sealing performance of the air spring magnetorheological damper system.
Description
Technical Field
The utility model relates to the technical field of air springs, in particular to a sealing structure of an air spring magneto-rheological damper system and a vehicle.
Background
The air spring is usually used in cooperation with the electric control shock absorber, the electric control shock absorber needs to be connected with a wire harness at the end part of the piston rod, the connecting mechanism cannot bear high-pressure gas, and in the running process of a vehicle, the end part of the piston rod moves up and down and left and right relative to the air spring, so that a movable high-pressure sealing structure is required to be provided at the contact part of the air bag and the piston rod.
In the prior art, the sealing of the hollow spring and the common shock absorber mainly depends on an O-shaped sealing ring and a gland, a solid piston rod is sealed into the hollow spring, and the shock absorber with a wire harness is easy to leak high-pressure gas due to the fact that the wire harness needs to penetrate out of a shell, and the sealing performance of the traditional sealing structure is poor.
Disclosure of utility model
In view of the above-mentioned drawbacks of the prior art, an object of the present utility model is to provide a sealing structure of an air spring magnetorheological damper system and a vehicle for solving the problem of insufficient sealing performance of the air spring-damper system with a wire harness in the prior art.
To achieve the above and other related objects, the present utility model provides a sealing structure of an air spring magnetorheological damper system for sealing a wire harness assembly of a damper, the wire harness assembly including a piston rod and a wire harness body disposed in the piston rod, the sealing structure comprising:
a housing, one end of which is provided with a buffer member, through which the wire harness assembly is disposed;
the pressing block assembly is arranged in the shell;
And the sealing piece is fixed in the shell through the pressing block assembly, and a sealing space is formed among the sealing piece, the shell, the buffer piece and the wire harness assembly.
Optionally, the briquetting subassembly includes first briquetting, second briquetting, third briquetting and well skeleton, first briquetting cover is established on the piston rod and is compressed tightly on the shaft shoulder of piston rod, well skeleton cover is established on the piston rod and support and lean on first briquetting, the second briquetting cover is established on the well skeleton, the third briquetting compresses tightly and sets up in the casing, the sealing member sets up between second briquetting and the third briquetting.
Optionally, the one end that the second briquetting is close to the bolster is equipped with first compress tightly the groove, the one end that the third briquetting is close to the bolster is equipped with the second and compresses tightly the groove, the sealing member has integrated into one piece's first spacing portion and second spacing portion, first spacing portion joint sets up in the first compress tightly the inslot, second spacing portion joint sets up in the second compresses tightly the inslot.
Optionally, the seal further has a protrusion penetrating into a gap formed by the second and third press blocks.
Optionally, a mounting groove is arranged between the middle framework and the first pressing block, and a sealing ring is arranged in the mounting groove.
Optionally, still include the top and glue the assembly, the top is glued the assembly and is included fixed cover, top and glue piece and supporting shoe, fixed cover endotheca in the casing, the supporting shoe cover is established on the piston rod, the supporting shoe has inner edge portion and outer edge portion, the top is glued the piece and is set up on the outer edge portion of supporting shoe and support and lean on the inner wall of fixed cover, well skeleton with the second briquetting is kept away from the terminal surface of bolster supports and leans on the inner edge portion of supporting shoe.
Optionally, a snap ring for fixing the glue ejection assembly is arranged in the shell, and the snap ring is abutted against the fixing sleeve.
Optionally, the fixing sleeve is in interference fit with the shell.
Optionally, a fastener is provided on the piston rod, and the fastener can be used for pressing the support block.
The utility model also provides a vehicle which is characterized by comprising the sealing structure of the air spring magneto-rheological shock absorber system.
As described above, the sealing structure of the air spring magneto-rheological damper system and the vehicle provided by the utility model have the following beneficial effects:
(1) Compared with the prior art, the high-pressure gas on the air spring side can be sealed in the shell through the action of the sealing piece through the arranged pressing block assembly and the sealing piece, so that an independent sealing space is formed, the electromagnetic valve wire harness of the magnetorheological damper penetrates out of the middle of the air spring, the high-pressure gas can be sealed in the formed sealing space, and the sealing performance of the magnetorheological damper system of the air spring is improved.
(2) Compared with the prior art, the air spring system with the wire harness penetrating out of the shell guarantees the sealing performance of the inside of the air spring system and avoids leakage through the sealing piece and the sealing space formed inside the air spring system.
Drawings
FIG. 1 shows a cross-sectional view of an embodiment of the present utility model;
Fig. 2 shows an enlarged view at a in an embodiment of the utility model.
Reference numerals illustrate:
The wire harness comprises a shell 1, a buffer 2, a piston rod 3, a wire harness body 4, a hollow spring 5, a first pressing block 6, a middle framework 7, a second pressing block 8, a first pressing groove 801, a third pressing block 9, a second pressing groove 901, a sealing element 10, a first limiting part 1001, a convex part 1002, a second limiting part 1003, a sealing ring 11, a sealing space 12, a fixing sleeve 13, a top rubber block 14, a supporting block 15, a clamping ring 16 and a fastening piece 17.
Detailed Description
Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model.
It should be noted that, the illustrations provided in the present embodiment merely illustrate the basic concept of the present utility model by way of illustration, and only the components related to the present utility model are shown in the drawings and are not drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complex. The structures, proportions, sizes, etc. shown in the drawings herein are shown in detail for purposes of illustration only, and are not intended to limit the scope of the utility model, which is defined in the claims, any structural modification, proportional change or size adjustment should still fall within the scope of the disclosure without affecting the efficacy and achievement of the present utility model. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the utility model, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the utility model may be practiced.
As shown in fig. 1 and 2, the utility model provides a sealing structure of an air spring magneto-rheological damper system and a vehicle.
In an exemplary embodiment, the sealing structure of the air spring magnetorheological damper system is mainly used for sealing a wire harness assembly of a damper, the wire harness assembly comprises a piston rod 3 and a wire harness body 4, the wire harness body 4 is arranged in the piston rod 3, and the sealing structure of the air spring magnetorheological damper system comprises:
the wire harness assembly comprises a shell 1, wherein a buffer piece 2 is arranged at one end of the shell 1, and the wire harness assembly penetrates through the shell 1;
The pressing block assembly is arranged in the shell 1;
And a seal member 10, wherein the seal member 10 is fixed in the housing 1 by a press block assembly, and a sealing space 12 is formed among the seal member 10, the housing 1, the buffer member 2 and the wire harness assembly.
In this embodiment, through the pressing block assembly and the sealing member 10, the high-pressure gas on the air spring side can be sealed inside the housing 1 through the action of the sealing member 10, so that an independent sealing space 12 is formed, and therefore, the electromagnetic valve wire harness of the magnetorheological damper penetrates out from the middle of the air spring 5, the high-pressure gas can be sealed in the formed sealing space 12, and the sealing performance of the magnetorheological damper system of the air spring 5 is improved.
In an exemplary embodiment, the press block assembly comprises a first press block 6, a second press block 8, a third press block 9 and a middle framework 7, wherein the first press block 6 is sleeved on the piston rod 3 and is pressed on a shaft shoulder of the piston rod 3, the middle framework 7 is sleeved on the piston rod 3 and abuts against the first press block 6, the second press block 8 is sleeved on the middle framework 7, the third press block 9 is pressed and arranged in the shell 1, and a sealing element 10 is arranged between the second press block 8 and the third press block 9.
In this embodiment, the sealing element 10 can be fixed by the briquetting assembly formed by the three briquettes arranged, so that the sealing element 10 spans in a high-pressure gas leakage channel and blocks high-pressure gas through the sealing element 10, thereby avoiding high-pressure gas leakage and guaranteeing the sealing performance of the air spring 5 system.
In this embodiment, the piston rod 3 has a plurality of shoulders due to its shape, and the first press block 6 can be mounted on one of the shoulders, which can provide a good mounting environment for the first press block 6, and the end surface of the first press block 6 matched with the shoulders is a plane, so that the first press block 6 can firmly abut against the shoulder of the piston rod 3.
As shown in fig. 2, in the embodiment, a step is provided on the side of the first pressing block 6 away from the shaft shoulder on which the first pressing block is mounted in the axial direction, and the end of the middle skeleton 7 abuts against the step, and when the first pressing block 6 is mounted, the middle skeleton 7 firmly abuts against the shaft shoulder of the piston rod 3.
The installation groove is formed in one end, close to the first pressing block 6, of the middle framework 7, a sealing ring 11 is arranged in the installation groove, and when the middle framework 7 is sleeved on the piston rod 3 and abuts against the first pressing block 6, the sealing ring 11 is sleeved on the piston rod 3, so that the middle framework 7 and the piston rod 3 can be sealed, and the air tightness of the air spring 5 system is guaranteed.
It should be noted that, in order to ensure the air tightness between the piston rod 3 and the middle frame 7, a plurality of sealing rings 11 between the middle frame 7 and the piston rod 3 may be provided, so as to avoid the leakage of high-pressure air from the gap between the piston rod 3 and the middle frame 7.
In an exemplary embodiment, a first compression groove 801 is formed at an end, close to the buffer member 2, of the second pressing block 8, a second compression groove 901 is formed at an end, close to the buffer member 2, of the third pressing block 9, the sealing member 10 is provided with a first limiting portion 1001 and a second limiting portion 1003 which are integrally formed, the first limiting portion 1001 is clamped and arranged in the first compression groove 801, and the second limiting portion 1003 is clamped and arranged in the second compression groove 901.
In this embodiment, the fixing manner of the sealing member 10 is to use a groove space for clamping, and in the air spring 5 system, high-pressure air can press the buffer member 2 and then enter the gap between the housing 1 and the piston rod 3, so that the sealing member 10 cuts off the path of the gap, thereby realizing sealing, and the sealing member 10 is fixed along the radial direction of the piston rod 3, so that the high-pressure air can not leak from the interior of the housing 1 any more.
In this embodiment, for the portion of the sealing element 10 that needs to be in clamping fit with the first pressing groove 801 and the second pressing groove 901, the sealing element 10 is made large, so that when the first limiting portion 1001 located on the inner side and the second limiting portion 1003 located on the outer side are installed, the first limiting portion 1001 is clamped into the first pressing groove 801, the second limiting portion 1003 is clamped into the second pressing groove 901, the sealing element 10 is firmly fixed through the shapes of the second pressing block 8 and the third pressing block 9, and the fixing effect of the sealing element 10 is improved.
In this embodiment, the sealing member 10 is a rubber member, which has good air tightness, certain ductility and high toughness, and is not easily damaged when being clamped into the first pressing groove 801 and the second pressing groove 901.
Illustratively, the seal 10 also has a protrusion 1002, the protrusion 1002 penetrating into the gap formed by the second press block 8 and the third press block 9. In this embodiment, the third pressing block 9 is fixed on the boss inside the casing 1, and since there is a gap between the second pressing block 8 and the third pressing block 9, the provided protrusion 1002 can seal the gap of this stroke, the protrusion 1002 in this embodiment is in a U shape, and penetrates into the gap, the toughness of the sealing member 10 can be higher due to the arrangement of the protrusion 1002, the strength is stronger when bearing the pressure of the high-pressure gas, and meanwhile, if the second pressing block 8 and the third pressing block 9 slightly float due to the assembly and the dimensional error, compensation can be performed, so that the protrusion 1002 clings to the outer end surfaces of the second pressing block 8 and the third pressing block 9, and the air tightness of the air spring 5 system is improved.
In an exemplary embodiment, the present utility model further includes a glue ejection assembly, where the glue ejection assembly includes a fixing sleeve 13, a glue ejection block 14 and a supporting block 15, where the fixing sleeve 13 is sleeved in the housing 1, the supporting block 15 is sleeved on the piston rod 3, the supporting block 15 has an inner edge portion and an outer edge portion, the glue ejection block 14 is disposed on the outer edge portion and abuts against an inner wall of the fixing sleeve 13, and end surfaces of the middle skeleton 7 and the second pressing block 8, which are far from the buffer member 2, abut against the inner edge portion.
Meanwhile, a clamping ring 16 for fixing the top glue assembly is arranged in the shell 1, and the clamping ring 16 abuts against the fixing sleeve 13.
In this embodiment, the top rubber assembly is mainly disposed between the snap ring 16 and the third pressing block 9, and is mainly used for propping the third pressing block 9 against the boss inside the casing 1, and meanwhile, the second pressing block 8, the middle framework 7 and the first pressing block 6 are propped against to fix the pressing block assembly.
Illustratively, the retaining sleeve 13 is an interference fit with the housing 1. After the top rubber assembly is installed inside the shell 1, high-pressure air cannot leak from a gap between the fixed sleeve 13 and the inner wall of the shell 1 any more due to interference fit adopted by the fixed sleeve 13 and the shell 1, and meanwhile, the third pressing block 9 can be firmly abutted against a boss inside the shell 1 while the fixed sleeve 13 is installed.
The piston rod 3 is provided with a fastening member 17, which fastening member 17 can be used for pressing the support block 15, for example. By the provided fastener 17, the supporting block 15 can be abutted, and the supporting piece 15 is prevented from moving. In this embodiment, the fastening member 17 is a lock nut which can be screwed with the piston rod 3, and after the installation, the end face of the lock nut abuts against the support block 15.
It should be noted that, in this embodiment, after the assembly is installed, the supporting blocks 15 in the assembly synchronously support the third pressing block 9 and the middle framework 7, so that the middle framework 7 firmly supports against the first pressing block 6, and simultaneously makes the second pressing block 8 clamp the sealing element 10, fix the first limiting portion 1001 in the first pressing groove 801, make the third pressing block 9 clamp the sealing element 10, and fix the second limiting portion 1003 in the second pressing groove 901.
It should be further noted that, the snap ring 16 in this embodiment can limit and fix the fixing sleeve 13, so that the whole top glue assembly is firmly fixed inside the housing 1.
The utility model also provides a vehicle which comprises the sealing structure of the air spring magneto-rheological damper system.
In summary, according to the present utility model, by the pressing block assembly and the sealing member 10, the high-pressure gas on the air spring side can be sealed inside the housing 1 by the sealing member 10, so that an independent sealing space 12 is formed, and therefore, the electromagnetic valve wire harness of the magnetorheological damper penetrates out from the air spring 5, and the high-pressure gas can be sealed in the formed sealing space 12, so that the sealing performance of the magnetorheological damper system of the air spring 5 is improved.
The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
Claims (10)
1. An empty spring magneto-rheological damper system seal structure for seal damper's pencil subassembly, pencil subassembly includes piston rod and pencil body, the pencil body sets up in the piston rod, its characterized in that, empty spring magneto-rheological damper system seal structure includes:
a housing, one end of which is provided with a buffer member, through which the wire harness assembly is disposed;
the pressing block assembly is arranged in the shell;
And the sealing piece is fixed in the shell through the pressing block assembly, and a sealing space is formed among the sealing piece, the shell, the buffer piece and the wire harness assembly.
2. The sealing structure of the air spring magneto-rheological damper system according to claim 1, wherein the pressing block assembly comprises a first pressing block, a second pressing block, a third pressing block and a middle framework, the first pressing block is sleeved on the piston rod and is pressed on a shaft shoulder of the piston rod, the middle framework is sleeved on the piston rod and abuts against the first pressing block, the second pressing block is sleeved on the middle framework, the third pressing block is pressed in the shell, and the sealing piece is arranged between the second pressing block and the third pressing block.
3. The sealing structure of the air spring magneto-rheological damper system according to claim 2, wherein a first compression groove is formed in one end, close to the buffer piece, of the second pressing block, a second compression groove is formed in one end, close to the buffer piece, of the third pressing block, the sealing piece is provided with a first limiting portion and a second limiting portion which are integrally formed, the first limiting portion is clamped and arranged in the first compression groove, and the second limiting portion is clamped and arranged in the second compression groove.
4. The sealing structure of an air spring magneto-rheological damper system according to claim 3, wherein the sealing member further has a protrusion penetrating into a gap formed between the second pressing block and the third pressing block.
5. The sealing structure of the air spring magneto-rheological damper system according to claim 2, wherein a mounting groove is formed between the middle framework and the first pressing block, and a sealing ring is arranged in the mounting groove.
6. The sealing structure of an air spring magneto-rheological damper system according to claim 2, further comprising a top rubber assembly, wherein the top rubber assembly comprises a fixing sleeve, a top rubber block and a supporting block, the fixing sleeve is sleeved in the shell, the supporting block is sleeved on the piston rod and is provided with an inner edge part and an outer edge part, the top rubber block is arranged on the outer edge part of the supporting block and abuts against the inner wall of the fixing sleeve, and the end faces, far away from the buffer parts, of the middle framework and the second pressing block abut against the inner edge part of the supporting block.
7. The sealing structure of the air spring magneto-rheological damper system of claim 6, wherein a clamping ring used for fixing the top rubber assembly is arranged in the shell, and the clamping ring abuts against the fixing sleeve.
8. The sealing structure of the air spring magneto-rheological damper system of claim 6, wherein the fixing sleeve is in interference fit with the shell.
9. The sealing structure of the air spring magneto-rheological damper system according to claim 6, wherein the piston rod is provided with a fastener, and the fastener can be used for pressing the supporting block.
10. A vehicle comprising an air spring magnetorheological damper system seal according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422874218.1U CN223609187U (en) | 2024-11-22 | 2024-11-22 | A sealing structure for an air spring magnetorheological damper system and its application in a vehicle. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422874218.1U CN223609187U (en) | 2024-11-22 | 2024-11-22 | A sealing structure for an air spring magnetorheological damper system and its application in a vehicle. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223609187U true CN223609187U (en) | 2025-11-28 |
Family
ID=97793702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422874218.1U Active CN223609187U (en) | 2024-11-22 | 2024-11-22 | A sealing structure for an air spring magnetorheological damper system and its application in a vehicle. |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223609187U (en) |
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2024
- 2024-11-22 CN CN202422874218.1U patent/CN223609187U/en active Active
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