CN112727981A - Compression valve assembly with compression valve current limiter - Google Patents
Compression valve assembly with compression valve current limiter Download PDFInfo
- Publication number
- CN112727981A CN112727981A CN202011638776.8A CN202011638776A CN112727981A CN 112727981 A CN112727981 A CN 112727981A CN 202011638776 A CN202011638776 A CN 202011638776A CN 112727981 A CN112727981 A CN 112727981A
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- compression valve
- compression
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- plate
- valve
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- 238000007906 compression Methods 0.000 title claims abstract description 173
- 230000006835 compression Effects 0.000 title claims abstract description 172
- 230000000903 blocking effect Effects 0.000 abstract description 5
- 238000013016 damping Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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Classifications
-
- 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
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/42—Valve seats
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Valves (AREA)
Abstract
The invention relates to a compression valve assembly with a compression valve current limiter, which comprises a compression valve seat, a compression valve screw and a compression valve nut, wherein the compression valve seat is in a circular tube shape, a circulation hole is formed between an upper inner groove and a lower inner groove, an adjusting hole is formed between an upper outer groove and a lower outer groove, the current limiter, a compensation valve plate and a compensation valve spring are sequentially arranged between the upper surface of the compression valve seat and the compression valve nut from bottom to top, and a throttle valve plate and the compression valve plate are sequentially arranged between the lower surface of the compression valve seat and the lower end of the compression valve screw from top to bottom. The invention aims to solve or at least reduce the problems that the consistency of high-speed damping force of a compression valve with a gasket blocking a hole is poor, and the gasket blocking the hole is not easy to distinguish and debug, and provides a compression valve assembly with a compression valve flow limiter.
Description
Technical Field
The invention relates to the technical field of shock absorbers, in particular to a compression valve assembly with a compression valve current limiter.
Background
The type of the compression valve seat in the traditional compression valve assembly structure needs to be various, and particularly, the type of the compression valve seat needs to be continuously increased according to the debugging requirements of the flow area of the compression adjusting hole and the pre-tightening amount of the compression end, so that the cost is increased, and the challenge is brought to the consistency of the sizes and the like of other parts of the compression valve seat except the compression adjusting hole; there is also a compression valve assembly that uses a compression valve seat to create the required flow area by compensating for end plugging, but the gasket plugging has the following disadvantages: 1. compared with a newly opened compression valve seat, the flow area change error of the blocking hole is larger, and the consistency of high-speed damping force is poor; 2. if a compressed flow area with dense distribution is required to be obtained, the outer diameter of the hole plugging gasket is compact in distribution, difficult to distinguish and not beneficial to debugging; 3. the gasket stop hole leads to the compression round hole to be cut apart into the closed angle by the high-speed gasket excircle, is unfavorable for the fluid circulation, has the risk that produces the abnormal sound even.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, solve or at least reduce the problems that the consistency of high-speed damping force of a compression valve with a gasket blocking a hole is poor, and the gasket blocking the hole is not easy to distinguish and debug, and provide a compression valve assembly with a compression valve flow restrictor.
The invention is realized by the following technical scheme:
a compression valve assembly with a compression valve flow limiter comprises a compression valve seat, a compression valve screw and a compression valve nut, wherein the compression valve screw is sleeved on the compression valve seat from bottom to top, the compression valve nut is sleeved on the compression valve screw in a threaded manner and is positioned at the upper end of the compression valve seat, the compression valve seat is in a circular tube shape, the upper part of the longitudinal section of the compression valve seat is concave, the top surface of the outer side of the upper part of the compression valve is provided with an annular upper outer groove, the top surface of the inner side of the upper part of the compression valve is provided with an annular upper inner groove, the outer side of the bottom surface of the compression valve seat is provided with a lower outer groove which is communicated with the upper outer groove, a circulation hole is arranged between the upper inner groove and the lower inner groove, the upper end and the lower end of the circulation hole are respectively communicated with the bottom surface of the upper inner groove and the bottom surface, the upper end and the lower end of each adjusting hole are respectively communicated with the bottom surface of the upper outer groove and the bottom surface of the lower outer groove, and the circulation holes and the adjusting holes are arranged in a circumferential array;
the flow restrictor, the compensating valve plate and the compensating valve spring are sequentially arranged between the upper surface of the compression valve seat and the compression valve nut from bottom to top, the flow restrictor, the compensating valve plate and the compensating valve spring are all sleeved on a compression valve screw rod, the flow restrictor and the compensating valve plate are respectively attached to the top surface of the inner side of the upper part of the compression valve and the top surface of the outer side of the upper part of the compression valve, the flow restrictor is in an annular flat plate shape, a plurality of through holes corresponding to the through holes are formed in the circumferential array of the flow restrictor, a compensating groove is formed in the center of the compensating valve plate, the compensating groove is in a cross shape, the length value of the compensating groove is smaller than the inner diameter;
the compression valve is characterized in that a throttle valve plate and a compression valve plate are sequentially arranged between the lower surface of the compression valve seat and the lower end of a compression valve screw from top to bottom, the throttle valve plate and the compression valve plate are both in an annular flat plate shape and are all sleeved on the compression valve screw, the outer diameter value of the throttle valve plate is larger than that of a lower inner groove and smaller than that of a lower outer groove, and a plurality of throttle grooves which are radially arranged are uniformly circumferentially arranged outside the circumference of the throttle valve plate.
In order to further implement the present invention, the following technical solutions may be preferably selected:
preferably, the cross section of the flow hole is circular, and the cross section of the adjusting hole is circular-arc.
Preferably, the outer diameter value of the compression valve plate is equal to the outer diameter value of the throttle valve plate.
Preferably, one end of the throttle groove is communicated to the outer side of the circumference of the throttle valve plate, and the other end of the throttle groove extends radially inwards to the lower inner groove.
Preferably, the compression valve plate is a plurality of compression valve plates arranged in a stacked array.
Preferably, a gasket is arranged between the compression valve plate located at the lowest position and the lower end of the compression valve screw, the gasket is annular and is sleeved on the compression valve screw, and the outer diameter value of the gasket is smaller than that of the compression valve plate.
Preferably, the upper end and the lower end of the compensation valve spring are respectively abutted to the compression valve nut and the compensation valve plate.
Through the technical scheme, the invention has the beneficial effects that:
the invention realizes the accurate adjustment of the actual flow area of the flow hole of the compression valve seat in the compression stroke by adding the flow restrictor with the hole in the compression valve seat so as to meet the debugging requirement. The compression valve seat only needs one specification, a larger recess is arranged at the central part of the upper end of the compression valve seat, and inner and outer oil lines with equal height are arranged at the recess and used for placing a current limiter; the flow restrictor has various designs, and the maximum flow area of the flow restrictor is not larger than the compression flow area of the compression valve seat according to debugging requirements in specific development; the flow restrictor is closely attached to the upper end of the compression valve seat, and the upper end of the flow restrictor is provided with a compensation valve assembly. The advantages of using different specifications of flow restrictors to change the flow area of the compression stroke of the compression valve seat are as follows: 1. only one compression valve is needed, so that a lot of development cost and debugging management cost are solved; 2. the current limiter has simple structure, low price, accurate control of the size of the circulation hole and good consistency of high-speed damping force; 3. the current limiter has different hole numbers and hole diameters, has obvious characteristics, is easy to distinguish, is beneficial to debugging and selecting parts, and has obvious error-proofing effect; 4. the flow channel has no sharp corner when the oil passes through the current limiter and the compression valve seat, thereby being more favorable for oil circulation and effectively avoiding oil flowing noise caused by the sharp corner.
Drawings
FIG. 1 is a structural cross-sectional view of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic view of the construction of the compression valve seat of the present invention;
FIG. 4 is a cross-sectional view of the compression valve seat of the present invention;
FIG. 5 is a top view of the compression valve seat of the present invention;
FIG. 6 is a schematic view of the construction of the flow restrictor of the present invention;
FIG. 7 is a schematic structural diagram of the compensation valve plate of the present invention;
FIG. 8 is a schematic structural diagram of a throttle plate according to the present invention;
wherein: 1-compressing the valve seat; 2-compression valve screw; 3-compressing the valve nut; 4-a flow restrictor; 5-a compensation valve plate; 6-a compensation valve spring; 7-a throttle plate; 8-compressing the valve plate; 9-a gasket; 10-upper outer groove; 11-upper inner grooves; 12-lower outer groove; 13-lower inner groove; 14-a flow-through hole; 15-a conditioning aperture; 16-compensation groove.
Detailed Description
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
as shown in FIGS. 1-8, a compression valve assembly with a compression valve flow restrictor comprises a compression valve seat 1, a compression valve screw 2 and a compression valve nut 3, wherein the compression valve screw 2 is sleeved on the compression valve seat 1 from bottom to top, the compression valve nut 3 is sleeved on the compression valve screw 2 in a threaded manner and is positioned at the upper end of the compression valve seat 1, the compression valve seat 1 is in a circular tube shape, the upper part of the longitudinal section of the compression valve seat 1 is concave, an annular upper outer groove 10 is arranged on the top surface of the outer side of the upper part of the compression valve, an annular upper inner groove 11 is arranged on the top surface of the inner side of the upper part of the compression valve, a lower outer groove 12 is arranged on the outer side of the bottom surface of the compression valve seat 1 and is connected with the upper outer groove 10, a lower inner groove 13 is arranged on the inner side of the bottom surface of the compression valve seat 1 and is connected with the upper inner groove 11, a circulation hole, an adjusting hole 15 is arranged between the upper outer groove 10 and the lower outer groove 12, the upper end and the lower end of the adjusting hole 15 are respectively communicated with the bottom surface of the upper outer groove 10 and the bottom surface of the lower outer groove 12, and the circulation holes 14 and the adjusting hole 15 are a plurality of in circumferential array arrangement; the cross section of the circulation hole 14 is circular, and the cross section of the adjusting hole 15 is arc-shaped;
a current limiter 4, a compensation valve plate 5 and a compensation valve spring 6 are sequentially arranged between the upper surface of a compression valve seat 1 and a compression valve nut 3 from bottom to top, the current limiter 4, the compensation valve plate 5 and the compensation valve spring 6 are all sleeved on the compression valve screw 2, the current limiter 4 and the compensation valve plate 5 are respectively attached to the top surface of the inner side of the upper part of the compression valve and the top surface of the outer side of the upper part of the compression valve, the current limiter 4 is in an annular flat plate shape, a plurality of through holes corresponding to the through holes 14 are formed in the circumferential array of the current limiter 4, a compensation groove 16 is formed in the center of the compensation valve plate 5, the compensation groove 16 is in a cross shape, the length value of the compensation groove 16 is smaller than the inner diameter value of an upper outer groove 10, the width value of the compensation groove 16 is larger than;
a throttle valve plate 7 and a compression valve plate 8 are sequentially arranged between the lower surface of a compression valve seat 1 and the lower end of a compression valve screw rod 2 from top to bottom, the throttle valve plate 7 and the compression valve plate 8 are both in an annular flat shape and are sleeved on the compression valve screw rod 2, the outer diameter value of the throttle valve plate 7 is larger than the outer diameter value of a lower inner groove 13 and smaller than the inner diameter value of a lower outer groove 12, the outer diameter value of the compression valve plate 8 is equal to the outer diameter value of the throttle valve plate 7, the compression valve plates 8 are arranged in a stacked array, a gasket 9 is arranged between the compression valve plate 8 at the bottom and the lower end of the compression valve screw rod 2, the gasket 9 is in an annular shape and is sleeved on the compression valve screw rod 2, the outer diameter value of the gasket 9 is smaller than the outer diameter value of the compression valve plate 8, a plurality of radially arranged throttle grooves, the other end extends radially inwardly into the lower inner groove 13.
The invention realizes the accurate adjustment of the actual flow area of the flow hole 14 of the compression valve seat 1 in the compression stroke by adding the flow restrictor 4 with the hole in the compression valve seat 1 so as to meet the debugging requirement. The compression valve seat 1 only needs one specification, a larger recess is arranged at the central part of the upper end of the compression valve seat 1, and inner and outer oil lines with equal height are arranged at the recess and used for placing the flow restrictor 4; the flow restrictor 4 is designed in various ways, and the maximum flow area of the flow restrictor is not larger than the compression flow area of the compression valve seat 1 according to debugging requirements in specific development; the flow restrictor 4 is closely attached to the upper end of the compression valve seat 1, and the upper end of the flow restrictor 4 is provided with a compensation valve assembly. The advantages of using different specifications of the flow restrictor 4 to change the flow area of the compression stroke of the compression valve seat 1 are as follows:
1. only one compression valve is needed, so that a lot of development cost and debugging management cost are solved;
2. the current limiter 4 is simple in structure, low in price, accurate in size control of the circulation hole 14 and good in high-speed damping force consistency;
3. the current limiter 4 has different hole numbers and hole diameters, has obvious characteristics, is easy to distinguish, is beneficial to debugging and selecting parts and has obvious error-proof function;
4. the runner does not have the closed angle when fluid passes through current limiter 4 and compression disk seat 1, more is favorable to the fluid circulation, can effectively avoid the fluid noise that flows that the closed angle brought.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (7)
1. A compression valve assembly with a compression valve flow limiter comprises a compression valve seat (1), a compression valve screw rod (2) and a compression valve nut (3), wherein the compression valve screw rod (2) is sleeved on the compression valve seat (1) from bottom to top, the compression valve nut (3) is sleeved on the compression valve screw rod (2) in a threaded manner and is positioned at the upper end of the compression valve seat (1), the compression valve assembly is characterized in that the compression valve seat (1) is in a circular tube shape, the upper part of the longitudinal section of the compression valve seat (1) is concave, an annular upper outer groove (10) is arranged on the top surface of the outer side of the upper part of the compression valve, an annular upper inner groove (11) is arranged on the top surface of the inner side of the upper part of the compression valve, a lower outer groove (12) which is connected with the upper outer groove (10) is arranged on the outer side of the bottom surface of the compression valve seat (1), a lower inner groove (13) which is connected with the upper inner groove (11) is arranged on, the upper end and the lower end of the circulation hole (14) are respectively communicated with the bottom surface of the upper inner groove (11) and the bottom surface of the lower inner groove (13), an adjusting hole (15) is arranged between the upper outer groove (10) and the lower outer groove (12), the upper end and the lower end of the adjusting hole (15) are respectively communicated with the bottom surface of the upper outer groove (10) and the bottom surface of the lower outer groove (12), and the circulation hole (14) and the adjusting hole (15) are arranged in a circumferential array;
a current limiter (4), a compensation valve plate (5) and a compensation valve spring (6) are sequentially arranged between the upper surface of the compression valve seat (1) and the compression valve nut (3) from bottom to top, the flow restrictor (4), the compensating valve plate (5) and the compensating valve spring (6) are sleeved on the compression valve screw rod (2), the flow restrictor (4) and the compensating valve plate (5) are respectively attached to the top surface of the inner side of the upper part of the compression valve and the top surface of the outer side of the upper part of the compression valve, the flow restrictor (4) is in a ring flat plate shape, a plurality of through holes corresponding to the circulation holes (14) are arranged on the circumferential array of the flow restrictor (4), a compensation groove (16) is formed in the center of the compensation valve plate (5), the compensation groove (16) is cross-shaped, the length value of the compensation groove (16) is smaller than the inner diameter value of the upper outer groove (10), and the width value of the compensation groove (16) is larger than the outer diameter value of the compression valve screw (2);
the compression valve seat is characterized in that a throttle valve plate (7) and a compression valve plate (8) are sequentially arranged between the lower surface of the compression valve seat (1) and the lower end of the compression valve screw rod (2) from top to bottom, the throttle valve plate (7) and the compression valve plate (8) are both annular flat plates and are sleeved on the compression valve screw rod (2), the outer diameter value of the throttle valve plate (7) is larger than the outer diameter value of the lower inner groove (13) and smaller than the inner diameter value of the lower outer groove (12), and the throttle grooves which are radially arranged are uniformly arranged on the circumference outside the throttle valve plate (7).
2. A compression valve assembly with a compression valve flow restrictor according to claim 1 characterized in that the cross section of the flow hole (14) is circular and the cross section of the adjusting hole (15) is circular arc.
3. A compression valve assembly with a compression valve flow restrictor according to claim 1 characterized in that the outer diameter of the compression plate (8) is equal to the outer diameter of the throttle plate (7).
4. A constrictor valve assembly with a constrictor flow restrictor according to claim 1 characterized in that one end of the orifice slot communicates to the outside of the circumference of the orifice plate (7) and the other end extends radially inward into the lower inner slot (13).
5. A compression valve assembly with a compression valve flow restrictor according to claim 1 characterized in that the compression valve plate (8) is a plurality arranged in a stacked array.
6. The compression valve assembly with the compression valve flow limiter according to claim 5, wherein a gasket (9) is arranged between the compression valve plate (8) located at the lowest position and the lower end of the compression valve screw (2), the gasket (9) is annular and is sleeved on the compression valve screw (2), and the outer diameter value of the gasket (9) is smaller than that of the compression valve plate (8).
7. The compression valve assembly with the compression valve flow limiter according to claim 1, wherein the upper end and the lower end of the compensation valve spring (6) are respectively abutted to the compression valve nut (3) and the compensation valve plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011638776.8A CN112727981A (en) | 2020-12-31 | 2020-12-31 | Compression valve assembly with compression valve current limiter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011638776.8A CN112727981A (en) | 2020-12-31 | 2020-12-31 | Compression valve assembly with compression valve current limiter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112727981A true CN112727981A (en) | 2021-04-30 |
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ID=75608945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011638776.8A Pending CN112727981A (en) | 2020-12-31 | 2020-12-31 | Compression valve assembly with compression valve current limiter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112727981A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113389839A (en) * | 2021-07-27 | 2021-09-14 | 重庆国贵赛车科技股份有限公司 | Double adjustable damping shock absorber |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201096166Y (en) * | 2007-06-06 | 2008-08-06 | 万向集团公司 | Compression valve subassembly structure |
| CN107654560A (en) * | 2017-11-01 | 2018-02-02 | 四川宁江山川机械有限责任公司 | Vehicle shock absorber compression valve |
| CN214742971U (en) * | 2020-12-31 | 2021-11-16 | 上海淅减汽车悬架有限公司 | Compression valve assembly with compression valve current limiter |
-
2020
- 2020-12-31 CN CN202011638776.8A patent/CN112727981A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201096166Y (en) * | 2007-06-06 | 2008-08-06 | 万向集团公司 | Compression valve subassembly structure |
| CN107654560A (en) * | 2017-11-01 | 2018-02-02 | 四川宁江山川机械有限责任公司 | Vehicle shock absorber compression valve |
| CN214742971U (en) * | 2020-12-31 | 2021-11-16 | 上海淅减汽车悬架有限公司 | Compression valve assembly with compression valve current limiter |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113389839A (en) * | 2021-07-27 | 2021-09-14 | 重庆国贵赛车科技股份有限公司 | Double adjustable damping shock absorber |
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Effective date of registration: 20220831 Address after: 474450 xipingtou Industrial Park, Xichuan County, Nanyang City, Henan Province Applicant after: NANYANG CIJAN AUTO SHOCK ABSORBER Co.,Ltd. Applicant after: Shanghai Xijian automobile suspension Co.,Ltd. Applicant after: NANYANG WEIAO SITU VEHICLE SHOCK ABSORBER Co.,Ltd. Address before: Room 2201, 888 Moyu South Road, Anting Town, Jiading District, Shanghai Applicant before: Shanghai Xijian automobile suspension Co.,Ltd. |