CN110285177B - Single-cylinder adjustable shock absorber - Google Patents
Single-cylinder adjustable shock absorber Download PDFInfo
- Publication number
- CN110285177B CN110285177B CN201910408994.3A CN201910408994A CN110285177B CN 110285177 B CN110285177 B CN 110285177B CN 201910408994 A CN201910408994 A CN 201910408994A CN 110285177 B CN110285177 B CN 110285177B
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- piston
- oil
- connecting rod
- shock absorber
- hollow connecting
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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
- F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
- F16F9/14—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
- F16F9/16—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts
- F16F9/18—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein
- F16F9/19—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein with a single cylinder and of single-tube type
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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
- F16F9/3207—Constructional features
- F16F9/3214—Constructional features of pistons
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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
- F16F9/44—Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction
- F16F9/446—Adjustment of valve bias or pre-stress
Abstract
The invention relates to the field of shock absorbers, in particular to a single-cylinder adjustable shock absorber. It includes: the device comprises a mandrel controller, a hollow connecting rod, a working cylinder, a flow regulating valve, a double-faced piston, an oil deflector, a right piston, a regulating mandrel, a connecting rod, a left end cover, a right end cover and a left piston. The shock absorber is not disassembled and assembled, so that the shock absorber can reach different damping forces, the adjustment is convenient and reliable, and the vehicle can be increased to make correct adjustment in the face of different road conditions, so that the driving is safer and more comfortable.
Description
Technical Field
The invention relates to the field of shock absorbers, in particular to a single-cylinder adjustable shock absorber.
Background
Current automobile shock absorber ware is difficult to realize the adjustment force value at any time, realizes that the power value switches, can't satisfy the travelling comfort requirement to different road surfaces, often need dismantle just adjustable power value behind the bumper shock absorber.
Disclosure of Invention
The invention aims to solve the problems and provides a single-cylinder adjustable shock absorber which can achieve different damping forces without dismounting the shock absorber, is convenient and reliable to adjust, can increase the possibility that vehicles can make correct adjustment on different road conditions, and enables the driving to be safer and more comfortable, and adopts the following technical scheme:
a shock absorber with adjustable monocular, characterized by, includes: the double-faced piston rod comprises a core rod controller, a hollow connecting rod, a working cylinder, a flow regulating valve, a double-faced piston, an oil guider, a right piston, a regulating core rod, a connecting rod, a left end cover, a right end cover and a left piston, wherein the left end cover is fixedly connected at the left end of the working cylinder, the hollow connecting rod is fixedly connected with the left end cover, the left piston is arranged on the hollow connecting rod in a penetrating mode and is connected in the working cylinder in a sliding mode, the double-faced piston is fixedly connected on the hollow connecting rod, a region clamped between the double-faced piston and the left piston is a first oil cavity, the right piston is connected in the working cylinder in a sliding mode, a region clamped between the right piston and the double-faced piston is a second oil cavity, a flow channel for communicating the first oil cavity and the second oil cavity is arranged on the double-faced piston, a region clamped between the left piston and the left end cover is a left air cavity, a region clamped between the right end cover and the connecting rod is fixedly connected with the right piston, the right end cover is connected with the working cylinder in a sliding mode, a vent hole for communicating the left air cavity with the outside is formed in the left end cover, a communication hole is formed in the hollow connecting rod, the oil deflector is fixedly arranged in a center hole of the hollow connecting rod, the oil deflector is provided with an oil channel for communicating the second oil cavity with the communication hole, the adjusting mandrel is connected in the center hole of the hollow connecting rod in a sliding mode, the right end of the adjusting mandrel is fixedly connected with a flow adjusting valve in the center hole of the hollow connecting rod, and the left end of the adjusting mandrel penetrates into a mandrel controller outside the working cylinder; the flow regulating valve is located at a passage between the oil passage and the communication hole.
On the basis of the technical scheme, the communication holes are radial holes.
On the basis of the technical scheme, the mandrel controller is internally and threadedly connected with an adjusting knob, one end of the adjusting knob is in contact with the left end of the adjusting mandrel, and the end of the adjusting knob in contact with the adjusting mandrel is a conical surface.
On the basis of the technical scheme, the double-sided piston mainly comprises a left baffle, an outer piston body, an inner piston body and a right baffle, wherein the inner piston body is positioned between the left baffle and the right baffle, and an area between the outer piston body and the inner piston body is a flow channel.
On the basis of the technical scheme, the double-sided piston further comprises a positioning sleeve, the positioning sleeve is in threaded connection with the hollow connecting rod to stop the inner piston body, the left baffle is fixedly connected with the hollow connecting rod, the positioning sleeve is in threaded connection with the hollow connecting rod to stop the inner piston body, and the outer piston body is fixed with the inner wall of the working cylinder.
On the basis of the technical scheme, a left elastic valve gasket is clamped between the left baffle and the inner piston body, and only seals a first area of a left side opening of the flow channel, so that the first area is in a closed state when oil flows from the first oil chamber to the second oil chamber, and is in an open state when the oil flows from the second oil chamber to the first oil chamber; the first area is a part of a left port of the flow channel, a right elastic valve gasket is clamped between the inner piston body and the right baffle plate, and the right elastic valve gasket only seals a second area of the right port of the flow channel, so that the second area is in an open state when oil flows from the first oil cavity to the second oil cavity and is in a closed state when the oil flows from the second oil cavity to the first oil cavity; the second area is a part of the right port of the flow passage.
On the basis of the technical scheme, the sectional areas of the left side opening and the right side opening of the flow channel are the same in size.
The invention has the beneficial effects that: the shock absorber can reach different damping forces without dismounting the shock absorber, the adjustment is convenient and reliable, and the vehicle can be increased to make correct adjustment in the face of different road conditions, so that the driving is safer and more comfortable.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is an enlarged schematic view of the invention at the left;
FIG. 3 is an enlarged schematic view of the right portion of the present invention;
FIG. 4 is a schematic view of the present invention at the dual-sided piston as oil flows from the second oil chamber to the first oil chamber;
FIG. 5 is a flow diagram of oil at a high damping force value according to the present invention;
FIG. 6 is a flow diagram of oil (under compression) at a low damping value according to the present invention;
FIG. 7 is a flow diagram of oil (in tension) at a low damping value according to the present invention;
Detailed Description
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
in the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present invention, it is to be understood that the terms "left", "right", "front", "back", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in fig. 1, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1 to 7, a shock absorber with adjustable a single tube, comprising: the device comprises a mandrel controller 1, a hollow connecting rod 2, a working cylinder 3, a flow regulating valve 4, a double-sided piston 6, an oil guider 7, a right piston 8, a regulating mandrel 9, a connecting rod 10, a left end cover 11, a right end cover 12 and a left piston 15, wherein the left end cover 11 is fixedly connected at the left end of the working cylinder 3, the hollow connecting rod 2 is fixedly connected with the left end cover 11, the left piston 15 is arranged on the hollow connecting rod 2 in a penetrating manner and is connected in the working cylinder 3 in a sliding manner, the double-sided piston 6 is fixedly connected on the hollow connecting rod 2, a first oil cavity 30 is arranged in a clamping area between the double-sided piston 6 and the left piston 15, the right piston 8 is connected in the working cylinder 3 in a sliding manner, a second oil cavity 31 is arranged in a clamping area between the right piston 8 and the double-sided piston 6, a flow channel 60 for communicating the first oil cavity 30 with the second oil cavity 31 is arranged on the double-sided piston 6, a left air cavity 32 is arranged in a clamping area between the left piston 15 and the left end cover 11, the right end cover 12 is fixedly connected with the connecting rod 10, a right air cavity 33 is arranged in an area clamped between the right end cover 12 and the right piston 8, the right end cover 12 is connected with the working cylinder 3 in a sliding mode, a vent hole for communicating the left air cavity 32 with the outside is formed in the left end cover 11, a communication hole 21 is formed in the hollow connecting rod 2, the oil guider 7 is fixedly arranged in a central hole 20 of the hollow connecting rod 2, the oil guider 7 is provided with an oil channel 70 for communicating a second oil cavity 31 with the communication hole 21, the adjusting core rod 9 is connected in the central hole 20 of the hollow connecting rod 2 in a sliding mode, the right end of the adjusting core rod 9 is fixedly connected with the flow adjusting valve 4 in the central hole 20 of the hollow connecting rod 2, and the left end of the adjusting core rod 9 penetrates into the core rod controller 1 outside the working cylinder 3; the flow rate regulating valve 4 is located at a passage between the oil passage 70 and the communication hole 21.
Preferably, the communication holes 21 are radial holes.
Preferably, an adjusting knob 100 is connected to the mandrel controller 1 through a screw thread, one end of the adjusting knob 100 is in contact with the left end of the adjusting mandrel 9, and the end of the adjusting knob 100 in contact with the adjusting mandrel 9 is a conical surface.
Preferably, the double-sided piston 6 mainly comprises a left baffle 6-1, an outer piston body 6-2, an inner piston body 6-3 and a right baffle 6-4, the inner piston body 6-3 is positioned between the left baffle 6-1 and the right baffle 6-4, and an area sandwiched between the outer piston body 6-2 and the inner piston body 6-3 is a flow channel 60.
Preferably, the double-sided piston 6 further comprises a positioning sleeve 6-5, the positioning sleeve 6-5 is in threaded connection with the hollow connecting rod 2 to stop the inner piston body 6-3, the left baffle 6-1 is fixedly connected with the hollow connecting rod 2, the positioning sleeve 6-5 is in threaded connection with the hollow connecting rod 2 to stop the inner piston body 6-3, and the outer piston body 6-2 is fixed with the inner wall of the working cylinder 3.
As shown in fig. 4, preferably, a left elastic valve gasket 61 is sandwiched between the left baffle plate 6-1 and the inner piston body 6-3, and the left elastic valve gasket 61 only blocks a first area 6a of a left port of the flow passage 60, so that the first area 6a is in a closed state when oil flows from the first oil chamber 30 to the second oil chamber 31, and is in an open state when oil flows from the second oil chamber 31 to the first oil chamber 30; the first area 6a is a part of the left port of the flow channel 60, a right elastic valve gasket 62 is clamped between the inner piston body 6-3 and the right baffle plate 6-4, and the right elastic valve gasket 62 only seals the second area 6b of the right port of the flow channel 60, so that the second area 6b is in an open state when oil flows from the first oil chamber 30 to the second oil chamber 31 and is in a closed state when oil flows from the second oil chamber 31 to the first oil chamber 30; the second region 6b is a part of the right port of the flow path 60.
Further, the cross-sectional areas of the left and right ports of the flow channel 60 are the same.
When high damping force is required to be used, the adjusting knob 100 is rotated to enable the top end inclined surface to push the adjusting core rod to move transversely in the right direction, so that the flow adjusting valve 4 blocks the oil deflector 7 to close a passage between the oil passage 70 and the communication hole 21, and only the double-sided piston plays a role in adjusting damping in the movement process of the shock absorber.
When a low damping force is required to be used, the adjusting knob 100 is rotated reversely, the oil pushes the flow adjusting valve 4 away from the oil guider 7 in the movement process of the shock absorber, so that a passage between the oil channel 70 and the communicating hole 21 is opened, the oil part is discharged through the oil channel 70 and the communicating hole 21 through the double-sided piston, the damping force value is reduced, and the damping force value can be adjusted by adjusting the size of the passage between the oil channel 70 and the communicating hole 21.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. A shock absorber with adjustable monocular, characterized by, includes: the device comprises a mandrel controller (1), a hollow connecting rod (2), a working cylinder (3), a flow regulating valve (4), a double-faced piston (6), an oil guider (7), a right piston (8), a regulating mandrel (9), a connecting rod (10), a left end cover (11), a right end cover (12) and a left piston (15), wherein the left end cover (11) is fixedly connected with the left end of the working cylinder (3), the hollow connecting rod (2) is fixedly connected with the left end cover (11), the left piston (15) is arranged on the hollow connecting rod (2) in a penetrating mode and is connected in the working cylinder (3) in a sliding mode, the double-faced piston (6) is fixedly connected onto the hollow connecting rod (2), a clamping area between the double-faced piston (6) and the left piston (15) is a first oil cavity (30), the right piston (8) is connected in the working cylinder (3) in a sliding mode, a clamping area between the right piston (8) and the double-faced piston (6) is a second oil cavity (31), the double-faced piston (6) is provided with a flow channel (60) communicating a first oil chamber (30) with a second oil chamber (31), the area clamped between a left piston (15) and a left end cover (11) is a left air chamber (32), the area clamped between a right end cover (12) and a connecting rod (10) is a right air chamber (33) and a right piston (8) is fixedly connected with the right end cover (12), the left end cover (11) is provided with a vent hole communicating the left air chamber (32) with the outside, the hollow connecting rod (2) is provided with a communicating hole (21), an oil guider (7) is fixedly arranged in a center hole (20) of the hollow connecting rod (2), the oil guider (7) is provided with an oil passage (70) communicating the second oil chamber (31) with the communicating hole (21), a center hole of an adjusting core rod (9) is slidably connected in the center hole (20) of the hollow connecting rod (2), the right end of the adjusting core rod (9) is fixedly connected with a flow adjusting valve (4) in a central hole (20) of the hollow connecting rod (2), and the left end of the adjusting core rod penetrates into a core rod controller (1) outside the working cylinder (3); the flow rate control valve (4) is located at a passage between the oil passage (70) and the communication hole (21).
2. The adjustable, single-tube shock absorber of claim 1, wherein: the communication hole (21) is a radial hole.
3. The adjustable, single-tube shock absorber of claim 1, wherein: the adjustable core rod is characterized in that an adjusting knob (100) is connected to the core rod controller (1) in a threaded mode, one end of the adjusting knob (100) is in contact with the left end of the adjusting core rod (9), and one end, in contact with the adjusting core rod (9), of the adjusting knob (100) is a conical surface.
4. The adjustable, single-tube shock absorber of claim 1, wherein: the double-sided piston (6) mainly comprises a left baffle (6-1), an outer piston body (6-2), an inner piston body (6-3) and a right baffle (6-4), wherein the inner piston body (6-3) is located between the left baffle (6-1) and the right baffle (6-4), and a flow channel (60) is arranged in a region sandwiched between the outer piston body (6-2) and the inner piston body (6-3).
5. The single-cylinder adjustable shock absorber according to claim 4, wherein the double-sided piston (6) further comprises a positioning sleeve (6-5), the positioning sleeve (6-5) and the hollow connecting rod (2) are in threaded connection with a stop inner piston body (6-3), the left baffle (6-1) is fixedly connected with the hollow connecting rod (2), and the outer piston body (6-2) is fixed with the inner wall of the working cylinder (3).
6. The adjustable mono-tube shock absorber according to claim 4 or 5, wherein: a left elastic valve gasket (61) is clamped between the left baffle (6-1) and the inner piston body (6-3), and the left elastic valve gasket (61) only blocks a first area (6 a) of a left side opening of the flow channel (60), so that the first area (6 a) is in a closed state when oil flows from the first oil chamber (30) to the second oil chamber (31), and is in an open state when the oil flows from the second oil chamber (31) to the first oil chamber (30); the first area (6 a) is a part of a left port of the flow channel (60), a right elastic valve gasket (62) is clamped between the inner piston body (6-3) and the right baffle plate (6-4), and the right elastic valve gasket (62) only blocks a second area (6 b) of the right port of the flow channel (60), so that the second area (6 b) is in an open state when oil flows from the first oil chamber (30) to the second oil chamber (31) and is in a closed state when the oil flows from the second oil chamber (31) to the first oil chamber (30); the second area (6 b) is a part of the right port of the flow passage (60).
7. The adjustable, mono-tube shock absorber of claim 6, wherein: the cross-sectional areas of the left side opening and the right side opening of the flow passage (60) are the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910408994.3A CN110285177B (en) | 2019-05-15 | 2019-05-15 | Single-cylinder adjustable shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910408994.3A CN110285177B (en) | 2019-05-15 | 2019-05-15 | Single-cylinder adjustable shock absorber |
Publications (2)
| Publication Number | Publication Date |
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| CN110285177A CN110285177A (en) | 2019-09-27 |
| CN110285177B true CN110285177B (en) | 2021-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910408994.3A Active CN110285177B (en) | 2019-05-15 | 2019-05-15 | Single-cylinder adjustable shock absorber |
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Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE8421106U1 (en) * | 1984-06-09 | 1987-07-02 | Boge Gmbh, 5208 Eitorf, De | |
| DE3824611A1 (en) * | 1988-07-20 | 1990-01-25 | Bayerische Motoren Werke Ag | SPRING-DAMPER SYSTEM FOR VEHICLES |
| DE10244671A1 (en) * | 2002-09-24 | 2004-04-01 | Suspa Holding Gmbh | Adjustable compression spring |
| JP4358546B2 (en) * | 2003-04-14 | 2009-11-04 | 株式会社ショーワ | Damping force adjustment device for hydraulic shock absorber |
| JP4726074B2 (en) * | 2006-07-24 | 2011-07-20 | カヤバ工業株式会社 | Damping force adjustment valve structure |
| CN202418394U (en) * | 2011-11-22 | 2012-09-05 | 广东机电职业技术学院 | Solid valve type damper with double communicated air chambers |
| CN203374553U (en) * | 2013-07-16 | 2014-01-01 | 安吉宏峰气弹簧科技有限公司 | Telescopic structure unit and telescopic rod comprising same |
| CN203685964U (en) * | 2014-01-22 | 2014-07-02 | 吉林大学 | Novel damp adjustable absorber |
| CN109058351A (en) * | 2018-10-15 | 2018-12-21 | 江西巨晟实业有限公司 | A kind of double buffering air-bag vibration damper |
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2019
- 2019-05-15 CN CN201910408994.3A patent/CN110285177B/en active Active
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| CN110285177A (en) | 2019-09-27 |
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Effective date of registration: 20191119 Address after: 317600 middle part of ganjiangbingang industrial city, Yuhuan City, Taizhou City, Zhejiang Province Applicant after: Taizhou Jiuju Technology Co.,Ltd. Address before: 314200 No. 499 Xingping 4th Road, Pinghu Economic Development Zone, Jiaxing City, Zhejiang Province Applicant before: ZHEJIANG DEPENG MACHINERY Co.,Ltd. |
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Address after: 317600 building 6, No. 1, Chengxing Road, Yucheng street, Yuhuan City, Taizhou City, Zhejiang Province Patentee after: Taizhou Jiuju Technology Co.,Ltd. Address before: 317600 central part of Ganjiang bingang industrial city, Yuhuan City, Taizhou City, Zhejiang Province Patentee before: Taizhou Jiuju Technology Co.,Ltd. |
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