CN211082665U - Recovery current-limiting valve plate of shock absorber - Google Patents
Recovery current-limiting valve plate of shock absorber Download PDFInfo
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- CN211082665U CN211082665U CN201922012170.2U CN201922012170U CN211082665U CN 211082665 U CN211082665 U CN 211082665U CN 201922012170 U CN201922012170 U CN 201922012170U CN 211082665 U CN211082665 U CN 211082665U
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Abstract
The utility model discloses a shock absorber recovery current-limiting valve plate, which comprises a piston, wherein a plurality of hydraulic oil circulation holes are arranged on the piston, a recovery current-limiting valve plate mounting groove is arranged on the piston, and a recovery current-limiting valve plate is arranged in the recovery current-limiting valve plate mounting groove; the recovery flow limiting valve plate comprises a plurality of flow limiting plates, and the flow limiting plates are matched with the hydraulic oil circulation holes; the gaps between the flow limiting sheets and the hydraulic oil circulation holes are different; the elasticity of the current-limiting sheets is different, and different current-limiting sheets form different specifications of recovery current-limiting valve sheets. By arranging the device, the cost is low, the operation is simple, only one reset current limiting valve plate needs to be added, and the additional labor cost and equipment cost are not increased; the dual-cylinder shock absorber is high in universality, the reset current limiting valve plate can be designed and used according to details, and the principle can be used for all the dual-cylinder shock absorbers; the manufacturing cost is low, and the reset current limiting valve plate can be manufactured only by low material cost, so that the cost of the product is not excessively increased.
Description
Technical Field
The utility model relates to a bumper shock absorber field especially relates to a bumper shock absorber recovers current-limiting valve block.
Background
The air suspension occupies more and more in the market of the Chinese commercial vehicle by virtue of the advantages of high comfort and great improvement of the stability of the carriage, the double-shock absorber matched with the air suspension also occupies a larger share in the market reduction, the most important problem of the shock absorber popularized in the market is that the two aspects of comfort and controllability cannot be perfect, the damping value adjustment can only be compromised, or the partial one-side promotion is realized, the problem is that the damping force cannot be perfectly subjected to sectional type force value feedback treatment, and therefore high-end adjustable shock absorbers with electrorheological property, magnetorheological property and the like are developed in high-end markets and used for dealing with the impact of various different road conditions. The high-end shock absorber has the problems of high cost and complex structure. The low end shock absorber has the problem that the damping setting of the shock absorber is fixed.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a utility model aim at: in order to solve the existing problems, the utility model provides a shock absorber recovery current-limiting valve plate, under the condition that the structure of the double-cylinder shock absorber is not changed, the utility model prevents the piston liquid flow hole from being limited by the recovery current-limiting valve plate through valve plates with different specifications so as to limit the maximum flow of shock-absorbing oil, thereby limiting the recovery damping value of the shock absorber during high-speed movement without influencing the recovery damping value of the shock absorber during low-speed movement; and the size of the oil hole is adjusted by adopting the elastic sheet with the non-current change of the elastic force, so that the non-current adjustment of the damping is realized.
The utility model adopts the technical scheme as follows:
a shock absorber recovery current-limiting valve plate comprises a piston, wherein a plurality of hydraulic oil circulation holes are formed in the piston, a recovery current-limiting valve plate installation groove is formed in the piston, and a recovery current-limiting valve plate is installed in the recovery current-limiting valve plate installation groove; the recovery flow limiting valve plate comprises a plurality of flow limiting plates, and the flow limiting plates are matched with the hydraulic oil circulation holes; the gaps between the flow limiting sheets and the hydraulic oil circulation holes are different; the elasticity of the current-limiting sheets is different, and different current-limiting sheets form different specifications of recovery current-limiting valve sheets.
Further, the utility model also discloses a bumper shock absorber recovers current-limiting valve block preferred structure, recover current-limiting valve block includes the main part, the current-limiting piece includes the root that links to each other with the main part, including the tip that is used for blockking hydraulic oil, including the middle part that is used for connecting root and tip; the elastic coefficients of the root part, the end part and the middle part of different flow-limiting sheets are different; the different elastic coefficients form the current-limiting sheets with different specifications.
Furthermore, the root part, the end part and the middle part of the restrictor plate adopt different temperatures and different heating times to form restrictor plates with different elastic coefficients.
Furthermore, one surface of the reset flow limiting valve plate, which is connected with the piston, is an A surface, the A surface is a lower surface, one surface deviating from the piston is a B surface, and the B surface is an upper surface; the flow restriction sheet comprises a lower root part of the flow restriction sheet and an upper root part of the flow restriction sheet which are connected with the main body; and quenching the lower root of the current-limiting plate and the upper root of the current-limiting plate at different temperatures and different heating times to form the lower root of the current-limiting plate and the upper root of the current-limiting plate with different elastic moduli.
Further, the flow restriction sheet comprises a lower end part of the flow restriction sheet and an upper end part of the flow restriction sheet, wherein the lower end part of the flow restriction sheet is used for blocking hydraulic oil; the lower end part of the current-limiting sheet and the upper end part of the current-limiting sheet adopt different temperatures and different heating times to form the lower end part of the current-limiting sheet and the upper end part of the current-limiting sheet with different elastic moduli.
Furthermore, the flow restriction sheet comprises a lower middle part of the flow restriction sheet and an upper middle part of the flow restriction sheet, wherein the lower middle part of the flow restriction sheet and the upper middle part of the flow restriction sheet are used for connecting the root part and the end part of the flow restriction sheet; the lower middle part of the current-limiting sheet and the upper middle part of the current-limiting sheet adopt different temperatures and different heating times to form the lower middle part of the current-limiting sheet and the upper middle part of the current-limiting sheet with different elastic moduli.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. by using the device, the cost is low, the operation is simple, only one reset current limiting valve plate needs to be added, and the additional labor cost and equipment cost are not increased;
2. the dual-cylinder shock absorber is high in universality, the reset current limiting valve plate can be designed and used according to details, and the principle can be used for all the dual-cylinder shock absorbers;
3. the manufacturing cost is low, and the reset current limiting valve plate can be manufactured only by low material cost, so that the cost of the product is not excessively increased.
Drawings
FIG. 1 is a schematic structural view of the A-side of the middle-restoration current-limiting valve sheet of the present invention;
FIG. 2 is a schematic structural view of a B-surface of a middle recovery current limiting valve plate of the present invention;
FIG. 3 is a schematic view of the side structure of the installation of the rebound flow-limiting valve plate of the present invention;
FIG. 4 is a schematic view of the safety side of the current-limiting valve plate of the present invention;
wherein the reference numbers: the structure comprises a reset flow-limiting valve plate 1, a flow-limiting plate lower root part 2, a flow-limiting plate lower middle part 3, a flow-limiting plate lower end part 4, a flow-limiting plate upper root part 5, a flow-limiting plate upper middle part 6, a flow-limiting plate upper end part 7, an oil hole 8, a flow-limiting plate 9, a piston 10 and a reset flow-limiting valve plate mounting groove 11.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1:
as shown in fig. 1-4, the utility model discloses a shock absorber recovery current-limiting valve plate, including a piston 10, the piston 10 is opened with a plurality of hydraulic oil through holes, the piston 10 is provided with a recovery current-limiting valve plate mounting groove 11, the recovery current-limiting valve plate mounting groove 11 is provided with a recovery current-limiting valve plate 1; the recovery flow limiting valve plate 1 comprises a plurality of flow limiting plates 9, and the flow limiting plates 9 are matched with the hydraulic oil circulation holes; the clearance between the flow-limiting sheet 9 and the hydraulic oil circulation hole has a plurality of different specifications.
The current-limiting sheet 9 has different elastic characteristics, and the elastic curve is nonlinear and is used for realizing stable adjustment of the change of the opening angle with different elastic forces. Different current-limiting sheets 9 form different specifications of the recovery current-limiting valve sheet 1.
The reset flow limiting valve plate 1 comprises a main body, the flow limiting plate 9 comprises a root part connected with the main body, an end part used for blocking hydraulic oil and a middle part used for connecting the root part and the end part; the elastic coefficients of the root part, the end part and the middle part of different flow-limiting sheets 9 are different; the different elastic coefficients form the current-limiting sheets 9 with different specifications.
The root part, the end part and the middle part of the restrictor plate 9 adopt different temperatures and different heating times to form restrictor plates 9 with different elastic coefficients. The root is heated at high temperature for a short time, and the strength of the root is improved by rapid cooling; the end part is heated at low temperature in a delayed mode and is cooled slowly, and flexibility of the end part is improved. The middle part adopts medium temperature heating, slowly cools down, improves its intensity. Thus, the elasticity of the restrictor plate 9 formed by different strength parts is different, so that the restrictor plate is suitable for different environments.
The side of the reset current-limiting valve plate 1 connected with the piston 10 is a surface A, the surface A is a lower part, the side deviating from the piston 10 is a surface B, and the surface B is an upper part; the flow restriction sheet 9 comprises a lower root part 2 of the flow restriction sheet and an upper root part 5 of the flow restriction sheet which are connected with the main body; and the lower root part 2 of the current-limiting plate and the upper root part 5 of the current-limiting plate are quenched by adopting different temperatures and different heating times.
The lower root 2 of the current-limiting sheet is subjected to high-frequency short-time quenching, and the upper root 5 of the current-limiting sheet is subjected to high-frequency long-time quenching, so that the rigidity of the lower root 2 of the current-limiting sheet is improved, the rigidity of the upper root 5 of the current-limiting sheet is reduced, and the lower root 2 of the current-limiting sheet and the upper root 5 of the current-limiting sheet with different elastic moduli are formed.
The flow restriction sheet 9 comprises a lower end part 4 of the flow restriction sheet for blocking hydraulic oil and an upper end part 7 of the flow restriction sheet; the lower end part 4 of the current-limiting sheet and the upper end part 7 of the current-limiting sheet adopt different temperatures and different heating times, and the pressure resistance of the lower end part 4 of the current-limiting sheet is reduced and the current-limiting sheet becomes soft by heating the lower end part 4 of the current-limiting sheet for a long time. By heating the upper end portion 7 of the restrictor for a short time, the tensile strength of the upper end portion 7 of the restrictor is reduced to make it soft. The lower end part 4 of the restrictor and the upper end part 7 of the restrictor are formed with different elastic moduli.
The flow restriction sheet 9 comprises a lower middle part 3 of the flow restriction sheet and an upper middle part 6 of the flow restriction sheet, wherein the lower middle part and the upper middle part of the flow restriction sheet are used for connecting the root part and the end part of the flow restriction sheet; the lower middle part 3 of the current-limiting sheet and the upper middle part 6 of the current-limiting sheet adopt different temperatures and different heating times, the lower middle part 3 of the current-limiting sheet is heated at a higher temperature for a long time to be flexible, the compression resistance is better, and the upper middle part 6 of the current-limiting sheet is heated at a lower temperature for a long time to be elastic. The lower middle part 3 and the upper middle part 6 of the restrictor are formed with different elastic moduli.
Through the processing, the restriction pieces 9 with different elastic coefficients at the reserved parts are formed and combined into the restriction pieces 9 with different elasticity, so that different opening angles under different pressures are realized, and the applicability adjustment of the damping system is realized.
When the shock absorber moves, when the shock absorber runs into the uneven road surface, under the action of inertia, the shock absorber can receive different forces, the piston 10 can move up and down in the oil cylinder, hydraulic oil circulates along the hydraulic oil circulation hole, the hydraulic oil is relieved, the change of the force is realized, and the shock absorption can be realized.
The recovery current limiting valve plate 1 in the application is adopted; the vehicle uses different recovery current limiting valve plates 1 according to different road conditions, and the damping value and the damping curve of the vehicle are different. When hydraulic oil is too big under external effect, can open the hydraulic oil opening greatly owing to the nonlinear elasticity effect of restrictor plate 9, improve the velocity of flow of hydraulic oil, reduce resistance value, prevent that the vehicle from taking place acutely to vibrate, improve the travelling comfort of taking advantage of and experiencing.
Therefore, by arranging the device, the cost is low, the operation is simple, only one reset current limiting valve plate needs to be added, and the additional labor cost and equipment cost are not increased; the dual-cylinder shock absorber is high in universality, the reset current limiting valve plate can be designed and used according to details, and the principle can be used for all the dual-cylinder shock absorbers; the manufacturing cost is low, and the reset current limiting valve plate can be manufactured only by low material cost, so that the cost of the product is not excessively increased.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The utility model provides a bumper shock absorber current-limiting valve piece that recovers which characterized in that: the hydraulic control valve comprises a piston (10), wherein a plurality of hydraulic oil circulation holes are formed in the piston (10), a recovery current limiting valve plate installation groove (11) is formed in the piston (10), and a recovery current limiting valve plate (1) is installed in the recovery current limiting valve plate installation groove (11); the recovery flow limiting valve plate (1) comprises a plurality of flow limiting plates (9), and the flow limiting plates (9) are matched with the hydraulic oil circulation holes; the gaps between the flow restriction sheets (9) and the hydraulic oil circulation holes are different; the elasticity of the current limiting sheets (9) is different, and different current limiting sheets (9) form different specifications of recovery current limiting valve sheets (1).
2. The rebound restrictor panel of a shock absorber as set forth in claim 1, wherein: the recovery flow limiting valve plate (1) comprises a main body, the flow limiting plate (9) comprises a root part connected with the main body, an end part used for blocking hydraulic oil and a middle part used for connecting the root part and the end part; the elastic coefficients of the root part, the end part and the middle part of different flow-limiting sheets (9) are different; the different elastic coefficients form the current-limiting sheets (9) with different specifications.
3. The rebound restrictor panel of a shock absorber as set forth in claim 2, wherein: the root part, the end part and the middle part of the restrictor plate (9) adopt different temperatures and different heating times to form restrictor plates (9) with different elastic coefficients.
4. The rebound restrictor panel of a shock absorber as set forth in claim 3, wherein: the side, connected with the piston (10), of the recovery current-limiting valve plate (1) is an A surface, the A surface is a lower surface, the side, away from the piston (10), is a B surface, and the B surface is an upper surface; the flow restriction sheet (9) comprises a lower flow restriction sheet root part (2) and an upper flow restriction sheet root part (5) which are connected with the main body; and the lower root (2) of the current-limiting sheet and the upper root (5) of the current-limiting sheet are quenched by adopting different temperatures and different heating times to form the lower root (2) of the current-limiting sheet and the upper root (5) of the current-limiting sheet with different elastic moduli.
5. The rebound restrictor panel of a shock absorber as set forth in claim 4, wherein: the flow restriction sheet (9) comprises a lower end part (4) of the flow restriction sheet for blocking hydraulic oil and an upper end part (7) of the flow restriction sheet; the lower end part (4) of the current-limiting sheet and the upper end part (7) of the current-limiting sheet adopt different temperatures and different heating times to form the lower end part (4) of the current-limiting sheet and the upper end part (7) of the current-limiting sheet with different elastic moduli.
6. The rebound restrictor plate of a shock absorber as set forth in claim 5, wherein: the flow restriction sheet (9) comprises a lower middle part (3) of the flow restriction sheet and an upper middle part (6) of the flow restriction sheet, wherein the lower middle part and the upper middle part of the flow restriction sheet are used for connecting the root part and the end part of the flow restriction sheet; the lower middle part (3) of the current-limiting sheet and the upper middle part (6) of the current-limiting sheet adopt different temperatures and different heating times to form the lower middle part (3) of the current-limiting sheet and the upper middle part (6) of the current-limiting sheet with different elastic moduli.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922012170.2U CN211082665U (en) | 2019-11-20 | 2019-11-20 | Recovery current-limiting valve plate of shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922012170.2U CN211082665U (en) | 2019-11-20 | 2019-11-20 | Recovery current-limiting valve plate of shock absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211082665U true CN211082665U (en) | 2020-07-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922012170.2U Active CN211082665U (en) | 2019-11-20 | 2019-11-20 | Recovery current-limiting valve plate of shock absorber |
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| Country | Link |
|---|---|
| CN (1) | CN211082665U (en) |
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- 2019-11-20 CN CN201922012170.2U patent/CN211082665U/en active Active
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