CN116146646B - Compression valve seat and compression valve for shock absorber - Google Patents
Compression valve seat and compression valve for shock absorber Download PDFInfo
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- CN116146646B CN116146646B CN202310026612.7A CN202310026612A CN116146646B CN 116146646 B CN116146646 B CN 116146646B CN 202310026612 A CN202310026612 A CN 202310026612A CN 116146646 B CN116146646 B CN 116146646B
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- compression valve
- arc
- holes
- valve plate
- compression
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/34—Special valve constructions; Shape or construction of throttling passages
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/36—Special sealings, including sealings or guides for piston-rods
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention belongs to the technical field of shock absorbers, and particularly relates to a compression valve seat and a compression valve for a shock absorber, wherein the compression valve seat comprises a compression valve seat for the shock absorber, and further comprises a first valve plate and a second valve plate which are identical in structure, wherein an arc-shaped sealing part arranged on the first valve plate can be matched with a first communication hole and always cover the first communication hole. The structure of the compression valve is greatly simplified, the integral thickness and the installation difficulty of the compression valve are reduced, each arc-shaped sealing part can be matched with a corresponding through hole more independently by the annular groove part, and the tightness and the precision of the arc-shaped sealing parts are improved; along with the rotation of the valve plate, the movable length of the arc-shaped sealing part is shortened, the damping force of the compression valve is improved, and the opening and closing pressure of the compression valve is conveniently adjusted.
Description
Technical Field
The invention relates to the technical field of shock absorbers, in particular to a compression valve seat and a compression valve for a shock absorber.
Background
Jolt and shake can occur in the running process of the automobile, the piston in the hydraulic cylinder of the shock absorber can move left and right at the time, the hydraulic pressure on two sides of the piston can change, hydraulic oil can be transferred in the hydraulic cylinder, damping can be generated when the hydraulic oil passes through the compression valve, a part of energy is consumed, and the effect of slowing down the vibration of the automobile is achieved.
In the prior art (CN 112128292A), the upper side and the lower side of the compression valve seat are respectively provided with a compensation valve plate and a compression valve plate, a plurality of valve plates are overlapped to realize the bidirectional flow of hydraulic fluid, the compensation valve limiter and the compression valve limiter are respectively adopted to limit, the number of the flow holes is regulated to regulate the damping force, the whole structure is complex, the regulation is inconvenient, and the thickness and the installation difficulty of the compression valve are increased.
Disclosure of Invention
The invention aims to solve the problems of complex structure, inconvenient adjustment, high installation difficulty and the like of a compression valve of a shock absorber in the prior art, and provides a compression valve seat and a compression valve for the shock absorber.
In order to achieve the above object, according to a first aspect of the present invention, there is provided a compression valve seat for a shock absorber, wherein a central hole is provided in a middle portion of the compression valve seat, a plurality of groups of first communication holes and a plurality of groups of second communication holes are uniformly provided around the central hole, the first communication holes are located at an outer periphery of the second communication holes, each group of the first communication holes and each group of the second communication holes have a plurality of through holes having different sizes, and the through holes in the same group are arranged along an arc line; and arc grooves are formed in the outer sides of each group of first communication holes and each group of second communication holes, and the through holes in the same group are positioned in the same arc grooves.
According to a second aspect of the present invention, there is further provided a compression valve, including a compression valve seat for a shock absorber, and further including a first valve plate and a second valve plate having the same structure, the first valve plate being used for sealing the first communication hole, the second valve plate being used for sealing the second communication hole; the novel valve is characterized in that the center of the first valve plate is provided with a mounting hole, the periphery of the mounting hole is provided with an annular thickened portion, the periphery of the annular thickened portion is provided with an annular peripheral portion, the periphery of the annular peripheral portion is provided with a plurality of arc-shaped sealing portions which are symmetrical in center, each arc-shaped sealing portion comprises a connecting portion connected with the annular peripheral portion, a clamping end portion located at one end, and a sealing main body portion located between the connecting portion and the clamping end portion, and the sealing main body portion can be matched with the first communication hole and always cover the first communication hole.
The arc-shaped sealing part is an elastomer; an annular groove part is arranged between the connecting part and the annular peripheral part.
The thickness of the annular thickened part is 2-5 times that of the annular peripheral part and the arc-shaped sealing part; and in the plurality of through holes in the same group, the diameter of the through holes at two ends is smaller than that of the through holes at the middle part.
The compression valve seat is provided with a clamping and clamping part, and the clamping and clamping part can be clamped with the clamping end part so as to fix the clamping end part.
The first valve plate and the second valve plate are tightly attached to the surface of the compression valve seat; the central hole and the mounting hole are the same in size, and the compression valve seat, the first valve plate and the second valve plate are fixedly mounted through the fastening screw rod and the fastening bolt.
The compression valve seat and the compression valve for the shock absorber provided by the invention have the beneficial effects that:
1. through set up multiunit arc arranged's first connecting hole and second intercommunicating pore on compression disk seat, improved compression disk seat's communication area, satisfied the demand of large-traffic and low-traffic circulation, can be convenient for the fine adjustment of hydraulic oil, need not adopt other valve body and lid, simplify compression disk seat's structure greatly to the installation of compression disk seat also is convenient for.
2. The two sides of the compression valve seat are respectively provided with the first valve plate and the second valve plate, the two valve plates are elastic sheets with arc-shaped sealing parts, the arc-shaped sealing parts can cover and seal the first communication holes and the second communication holes, when the fluid pressure is increased, the sealing main body parts of the arc-shaped sealing parts can deform, and part of the sealing main body parts are lifted, so that the first communication holes or the second communication holes are decompressed, damping force is generated, hydraulic energy is consumed, the structure of the compression valve is greatly simplified, and the integral thickness of the compression valve and the difficulty in installation are reduced.
3. Through the interval of ring channel portion for the transmission of the power between arc sealing portion and the annular periphery portion produces the attenuation, can not influence the sealed cooperation on arc sealing portion and compression disk seat surface, the mutual influence between the arc sealing portion of difference also can be reduced, makes like this that every arc sealing portion all can more independent cooperate with corresponding through-hole, has improved the leakproofness and the precision of arc sealing portion.
4. The thickness of annular thickening portion is bigger, and intensity is higher, can bear bigger pressure, reduces the deformation degree.
5. When the valve plate rotates, the relative positions of the sealing main body part and the through hole change, and the matching relation between the sealing main body part and the through hole can be adjusted by rotating the valve plate, so that the damping force can be conveniently adjusted.
6. When the valve block rotates, the clamping end part of the arc-shaped sealing part is displaced relative to the clamping part, the clamping end part is inserted into the clamping part and limited, the depth of the clamping end part inserted into the clamping part is deeper along with the continuous rotation of the valve block, so that the movable length of the sealing main body part is shortened, the opening force of the sealing main body part is increased, the pressure release difficulty of a corresponding through hole is increased, the damping force of the compression valve is improved, the opening and closing pressure of the compression valve is conveniently regulated, the structure is simple, and the installation is convenient.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:
FIG. 1 is a schematic diagram of a compression valve according to the present invention;
FIG. 2 is a schematic structural view of a first valve plate according to the present invention;
FIG. 3 is a cross-sectional view of a first valve plate of the present invention;
FIG. 4 is a schematic structural diagram of the first valve plate and the first through hole according to the present invention;
FIG. 5 is a schematic structural diagram of the second valve plate and the second communication hole of the present invention;
fig. 6 is a schematic structural diagram of the first valve plate engaged with the clamping and clamping portion according to the present invention.
In the figure: the compression valve seat 1, the clamping and clamping part 101, the first valve plate 2, the clamping end part 201, the sealing main body part 202, the connecting part 203, the gap 204, the annular peripheral part 205, the annular thickened part 206, the mounting hole 207, the annular groove part 208, the second valve plate 3, the fastening screw 4, the fastening bolt 5, the first communication hole 6 and the second communication hole 7.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention as claimed.
Detailed Description
For the purposes of making the objects, technical solutions and advantages of the embodiments herein more apparent, the technical solutions in the embodiments herein will be clearly and completely described below with reference to the accompanying drawings in the embodiments herein, and it is apparent that the described embodiments are some, but not all, embodiments herein. All other embodiments, based on the embodiments herein, which a person of ordinary skill in the art would obtain without undue burden, are within the scope of protection herein. It should be noted that, without conflict, the embodiments and features of the embodiments herein may be arbitrarily combined with each other.
Unless the context clearly requires otherwise, throughout the description and the claims, the words "comprise", "comprising", and the like are to be construed in an inclusive sense as opposed to an exclusive or exhaustive sense; that is, it is the meaning of "including but not limited to".
Referring to fig. 1, a first embodiment of the present disclosure provides a compression valve seat for a shock absorber, a central hole is provided in the middle of the compression valve seat 1, a plurality of groups of first communication holes 6 and a plurality of groups of second communication holes 7 are uniformly provided around the central hole, the first communication holes 6 are located at the periphery of the second communication holes 7, each group of first communication holes 6 and each group of second communication holes 7 have a plurality of through holes with different sizes, and the through holes in the same group are arranged along an arc; the outer sides of each group of the first communication holes 6 and each group of the second communication holes 7 are respectively provided with an arc-shaped groove, and the through holes in the same group are positioned in the same arc-shaped groove. According to the invention, the plurality of groups of the first communication holes and the second communication holes which are arranged in the arc shape are arranged on the compression valve seat, so that the communication area of the compression valve seat is increased, the requirements of large-flow and small-flow circulation are met, the fine adjustment of hydraulic oil can be facilitated, other valve bodies and covers are not needed, the structure of the compression valve seat is greatly simplified, and the installation of the compression valve seat is also facilitated.
Referring to fig. 1-6, there is provided a second embodiment herein, which proposes a compression valve, including a compression valve seat for a shock absorber, and further including a first valve plate 2 and a second valve plate 3 having the same structure, wherein the first valve plate 2 is used for sealing the first communication hole 6, and the second valve plate 3 is used for sealing the second communication hole 7; the center of the first valve plate 2 is provided with a mounting hole 207, the periphery of the mounting hole 207 is provided with an annular thickened part 206, the periphery of the annular thickened part 206 is provided with an annular peripheral part 205, the periphery of the annular peripheral part 205 is provided with a plurality of arc-shaped sealing parts with central symmetry, each arc-shaped sealing part comprises a connecting part 203 connected with the annular peripheral part 205, a clamping end part 201 positioned at one end and a sealing main body part 202 positioned between the connecting part 203 and the clamping end part 201, and the sealing main body part 202 can be matched with the first communication hole 6 and always cover the first communication hole 6; the arc-shaped sealing part is an elastomer. According to the invention, the first valve plate and the second valve plate are respectively arranged at two sides of the compression valve seat and are respectively used for sealing the first communication hole and the second communication hole, the two valve plates are elastic plates with arc-shaped sealing parts, the arc-shaped sealing parts can cover and seal the first communication hole and the second communication hole, when the fluid pressure is increased, the sealing main body part of the arc-shaped sealing parts can be deformed, and a part of the sealing main body part is lifted, so that the first communication hole or the second communication hole is decompressed, damping force is generated, and hydraulic energy is consumed, therefore, the function of the compression valve can be realized only by the two valve plates, the structure of the compression valve is greatly simplified, and the integral thickness and the installation difficulty of the compression valve are reduced.
An annular groove part 208 is arranged between the connecting part 203 and the annular peripheral part 205, the force transmission between the arc-shaped sealing part and the annular peripheral part is weakened through the interval of the annular groove part, when the annular thickening part is fixed by the fastening screw rod, the annular thickening part can generate certain deformation and displacement due to the force or hydraulic force of the fastening screw rod, and due to the existence of the annular groove part, the force can be greatly weakened at the annular groove part and the sealing fit of the arc-shaped sealing part and the surface of the compression valve seat can not be influenced; meanwhile, the mutual influence between different arc-shaped sealing parts can be reduced, so that each arc-shaped sealing part can be matched with a corresponding through hole more independently, and the sealing performance and the precision of the arc-shaped sealing parts are improved.
The thickness of the annular thickened portion 206 is 2 to 5 times that of the annular peripheral portion 205 and the arc-shaped sealing portion. The thickness of annular thickening portion is bigger, and intensity is higher, can bear bigger pressure, reduces the deformation degree.
And in the plurality of through holes in the same group, the diameter of the through holes at two ends is smaller than that of the through holes at the middle part. In the invention, the first valve plate and the second valve plate can be rotated, when the valve plates rotate, the arc-shaped sealing part at the periphery of the valve plates can also rotate, the relative positions of the sealing main body part and the through holes are changed, when the sealing main body part is opened under the action of fluid pressure, the circulation gaps between the through holes and the sealing main body part are also different, the closer to the middle part, the larger the diameter of the through hole is, the larger the lifting height of the sealing main body part is, the larger the circulation gap is, and the smaller the damping is; the closer to the end part, the smaller the diameter of the through hole, the smaller the lifting height of the sealing main body part, the smaller the flowing clearance and the larger the damping; therefore, the matching relation between the sealing main body part and the through hole can be adjusted by rotating the valve plate, and the damping force can be conveniently adjusted.
The compression valve seat 1 is provided with a clamping and clamping part 101, and the clamping and clamping part 101 can be clamped with the clamping end part 201, so that the clamping end part 201 is fixed. According to the invention, the first valve plate and the second valve plate can be rotated, when the valve plates rotate, the arc-shaped sealing parts at the periphery of the valve plates can also rotate, so that the clamping end parts of the arc-shaped sealing parts are displaced relative to the clamping parts, the clamping end parts are inserted into the clamping parts and limited, and the depth of the clamping end parts inserted into the clamping parts is deeper along with the continued rotation of the valve plates, so that the movable length of the sealing main body part is shortened, the opening force of the sealing main body part is increased, the pressure relief difficulty of corresponding through holes is increased, the damping force of the compression valve is improved, and therefore, the opening and closing pressure of the compression valve can be conveniently regulated, and the valve has a simple structure and is convenient to install.
The first valve plate 2 and the second valve plate 3 are tightly attached to the surface of the compression valve seat 1; the central hole is the same as the mounting hole 207 in size, and the compression valve seat 1, the first valve plate 2 and the second valve plate 3 are fixedly mounted through a fastening screw 4 and a fastening bolt 5. This can facilitate the mounting of the first and second valve plates and maintain good sealing between them and the compression valve seat.
While preferred embodiments herein have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all alterations and modifications as fall within the scope herein.
It will be apparent to those skilled in the art that various modifications and variations can be made herein without departing from the spirit and scope of the disclosure. Thus, given that such modifications and variations herein fall within the scope of the claims herein and their equivalents, such modifications and variations are intended to be included herein.
Claims (7)
1. The compression valve is characterized by comprising a compression valve seat for a shock absorber, wherein a central hole is formed in the middle of the compression valve seat (1) for the shock absorber, a plurality of groups of first communication holes (6) and a plurality of groups of second communication holes (7) are uniformly formed around the central hole, the first communication holes (6) are positioned at the periphery of the second communication holes (7), each group of first communication holes (6) and each group of second communication holes (7) are provided with a plurality of through holes with different sizes, and the through holes in the same group are arranged along an arc line; the outer sides of each group of the first communication holes (6) and each group of the second communication holes (7) are provided with arc grooves, and the through holes in the same group are positioned in the same arc groove; the compression valve further comprises a first valve plate (2) and a second valve plate (3) which are identical in structure, the first valve plate (2) is used for sealing the first communication hole (6), and the second valve plate (3) is used for sealing the second communication hole (7); the novel valve is characterized in that a mounting hole (207) is formed in the center of the first valve plate (2), an annular thickened portion (206) is arranged on the periphery of the mounting hole (207), an annular peripheral portion (205) is arranged on the periphery of the annular thickened portion (206), a plurality of arc-shaped sealing portions which are symmetrical in center are arranged on the periphery of the annular peripheral portion (205), each arc-shaped sealing portion comprises a connecting portion (203) connected with the annular peripheral portion (205), a clamping end portion (201) located at one end, and a sealing main body portion (202) located between the connecting portion (203) and the clamping end portion (201), and the sealing main body portion (202) can be matched with the first communication hole (6) and always cover the first communication hole (6); the arc-shaped sealing part is an elastomer.
2. A compression valve according to claim 1, wherein an annular groove portion (208) is provided between the connecting portion (203) and the annular peripheral portion (205).
3. The compression valve of claim 1, wherein the annular thickening (206) is 2-5 times thicker than the annular peripheral portion (205) and the arcuate sealing portion.
4. The compression valve of claim 1, wherein the diameter of the through holes at both ends is smaller than that of the through holes at the middle among the plurality of through holes in the same group.
5. A compression valve according to claim 1, characterized in that the compression valve seat (1) is provided with a clamping and clamping part (101), the clamping and clamping part (101) being capable of being clamped with the clamping end part (201) so as to fix the clamping end part (201).
6. A compression valve according to claim 1, characterized in that the first valve plate (2) and the second valve plate (3) are in close contact with the surface of the compression valve seat (1).
7. The compression valve according to claim 1, wherein the central hole and the mounting hole (207) are the same in size, and the compression valve seat (1), the first valve plate (2) and the second valve plate (3) are fixedly mounted through a fastening screw (4) and a fastening bolt (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310026612.7A CN116146646B (en) | 2023-01-09 | 2023-01-09 | Compression valve seat and compression valve for shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310026612.7A CN116146646B (en) | 2023-01-09 | 2023-01-09 | Compression valve seat and compression valve for shock absorber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116146646A CN116146646A (en) | 2023-05-23 |
| CN116146646B true CN116146646B (en) | 2023-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310026612.7A Active CN116146646B (en) | 2023-01-09 | 2023-01-09 | Compression valve seat and compression valve for shock absorber |
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| CN (1) | CN116146646B (en) |
Citations (10)
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|---|---|---|---|---|
| JP2005048912A (en) * | 2003-07-31 | 2005-02-24 | Kayaba Ind Co Ltd | Valve structure |
| JP2008249030A (en) * | 2007-03-30 | 2008-10-16 | Honda Motor Co Ltd | Variable damping force damper |
| EP2009320A2 (en) * | 2007-06-27 | 2008-12-31 | Showa Corporation | Hydraulic shock absorber |
| JP2009281573A (en) * | 2008-05-26 | 2009-12-03 | Toyota Motor Corp | Shock absorber |
| KR20100023076A (en) * | 2008-08-21 | 2010-03-04 | 주식회사 만도 | Piston valve of shock absorber |
| JP2012145171A (en) * | 2011-01-12 | 2012-08-02 | Honda Motor Co Ltd | Damping force variable damper |
| JP2020023996A (en) * | 2018-08-07 | 2020-02-13 | 株式会社ナチュラレーザ・ワン | Damper hinge |
| CN112128292A (en) * | 2020-10-21 | 2020-12-25 | 上海淅减汽车悬架有限公司 | Shock absorber compression valve assembly structure |
| CN215370745U (en) * | 2021-07-01 | 2021-12-31 | 宁波德业粉末冶金有限公司 | Front shock absorber compression valve seat |
| CN215890919U (en) * | 2021-07-05 | 2022-02-22 | 精诚工科汽车系统有限公司 | Automobile shock absorber piston structure and automobile shock absorber |
-
2023
- 2023-01-09 CN CN202310026612.7A patent/CN116146646B/en active Active
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| JP2005048912A (en) * | 2003-07-31 | 2005-02-24 | Kayaba Ind Co Ltd | Valve structure |
| JP2008249030A (en) * | 2007-03-30 | 2008-10-16 | Honda Motor Co Ltd | Variable damping force damper |
| EP2009320A2 (en) * | 2007-06-27 | 2008-12-31 | Showa Corporation | Hydraulic shock absorber |
| JP2009281573A (en) * | 2008-05-26 | 2009-12-03 | Toyota Motor Corp | Shock absorber |
| KR20100023076A (en) * | 2008-08-21 | 2010-03-04 | 주식회사 만도 | Piston valve of shock absorber |
| JP2012145171A (en) * | 2011-01-12 | 2012-08-02 | Honda Motor Co Ltd | Damping force variable damper |
| JP2020023996A (en) * | 2018-08-07 | 2020-02-13 | 株式会社ナチュラレーザ・ワン | Damper hinge |
| CN112128292A (en) * | 2020-10-21 | 2020-12-25 | 上海淅减汽车悬架有限公司 | Shock absorber compression valve assembly structure |
| CN215370745U (en) * | 2021-07-01 | 2021-12-31 | 宁波德业粉末冶金有限公司 | Front shock absorber compression valve seat |
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| CN116146646A (en) | 2023-05-23 |
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