CN114607723A - High-low speed compression damping adjustable valve system assembly structure - Google Patents
High-low speed compression damping adjustable valve system assembly structure Download PDFInfo
- Publication number
- CN114607723A CN114607723A CN202210509448.0A CN202210509448A CN114607723A CN 114607723 A CN114607723 A CN 114607723A CN 202210509448 A CN202210509448 A CN 202210509448A CN 114607723 A CN114607723 A CN 114607723A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- adjustable valve
- low speed
- assembly structure
- speed compression
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
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
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/005—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a wound spring and a damper, e.g. a friction damper
- F16F13/007—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a wound spring and a damper, e.g. a friction damper the damper being a fluid damper
-
- 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
- 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
- F16F9/369—Sealings for elements other than pistons or piston rods, e.g. valves
-
- 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
- F16F9/50—Special means providing automatic damping adjustment, i.e. self-adjustment of damping by particular sliding movements of a valve element, other than flexions or displacement of valve discs; Special means providing self-adjustment of spring characteristics
-
- 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
- F16F9/50—Special means providing automatic damping adjustment, i.e. self-adjustment of damping by particular sliding movements of a valve element, other than flexions or displacement of valve discs; Special means providing self-adjustment of spring characteristics
- F16F9/504—Inertia, i.e. acceleration,-sensitive means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention discloses an adjustable valve system assembly structure of high-low speed compression damping, belonging to the technical field of vibration reduction equipment, and the adjustable valve system assembly structure of high-low speed compression damping comprises a vibration damper body, a guide rod is inserted on the vibration damper body, spring plates are fixedly connected on the vibration damper body and the guide rod, a spring is fixedly connected between the two spring plates, the lower end of the guide rod is in threaded connection with a shell, and oil is filled in the vibration damper body, the adjustable valve system structure can adopt a multi-section damping high-low speed compression adjustable valve system structure form, on one hand, the damping coefficient can be adjusted, on the other hand, the damping coefficient with higher bandwidth can be automatically provided, the requirements of the damping force values under different working conditions are met, in addition, when the vibration damper is in an overhigh state, the aperture of a discharge hole can be automatically adjusted, the damping force is further reduced, and the driving working conditions which are complicated and changeable can be realized, the adaptation provides the necessary damping force requirements.
Description
Technical Field
The invention relates to the technical field of vibration reduction equipment, in particular to a high-low speed compression damping adjustable valve system assembly structure.
Background
The vibration damper is installed inside the suspension system of most automobile and has the working principle that when the frame and the axle make reciprocating motion and the piston makes reciprocating motion inside the cylinder, the oil inside the vibration damper flows back and forth between the narrow hole on the valve and the separated cavities, so that the mechanical energy of the vibration of the automobile body is converted into heat energy, which is absorbed by the oil and the casing and then dissipated into atmosphere. The damping force is related to the cross-sectional area through the oil passage, the stiffness of the valve spring and the viscosity of the oil.
However, the existing shock absorber mainly uses a piston valve and bottom valve structure form as a main part, when a valve system is configured and shaped, a damping coefficient cannot be changed, when a road condition changes, the performance of the shock absorber cannot be correspondingly responded, a necessary damping force requirement is provided, and the shock absorber cannot adapt to a complex and variable driving condition.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a high-low speed compression damping adjustable valve system assembly structure, which can adopt a multi-section damping high-low speed compression adjustable valve system structure form, can adjust a damping coefficient on one hand, and can automatically provide a damping coefficient with higher bandwidth on the other hand, so that the requirements of the damping force values under different working conditions are met, and in addition, when a shock absorber is in an overhigh state, the aperture of a discharge hole can be automatically adjusted, so that the damping force is further reduced, the requirement of providing necessary damping force according to complicated and changeable driving conditions is realized in a self-adaptive manner.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A high-low speed compression damping adjustable valve system assembly structure comprises a shock absorber body, wherein a guide rod is inserted into the shock absorber body, spring plates are fixedly connected to the shock absorber body and the guide rod, a spring is fixedly connected between the two spring plates, a shell is connected to the lower end of the guide rod through threads, oil is filled in the shock absorber body, an adjusting wheel is connected to the upper end of the shell through threads, an adjusting core is connected to the adjusting wheel through threads, a flowing oil hole channel is formed in the lower end of the adjusting wheel, the adjusting core is in contact with the flowing oil hole channel, a limiting hole is formed in the adjusting wheel, an oil inlet cylinder is inserted into the lower end of the adjusting wheel, a fixed ring plate is fixedly connected to the oil inlet cylinder, a compression valve body is sleeved above the fixed ring plate, a return spring is fixedly connected between the compression valve body and the adjusting wheel, and row holes are formed in the left side wall and the right side wall of the shell, the lower side wall of the shell is fixedly connected with a piston, and the piston is in contact with the inner side wall of the shock absorber body.
Further, the inside fixedly connected with connection piece of casing, two drawing liquid section of thick bamboo of lateral wall fixedly connected with on the connection piece, the inside sliding connection of drawing liquid section of thick bamboo has the removal stopper, drawing liquid section of thick bamboo lower extreme fixedly connected with connecting cylinder, lateral wall fixedly connected with ejector pin on the compression valve body, the ejector pin runs through to remove the stopper and installs spacing telescopic rod, can be when high-speed, adjusts the flow of hydraulic oil through the compression valve body, also can strengthen its damping effect in addition.
Furthermore, the ejector rod is located the inside fixedly connected with sealing plug of connecting cylinder, fixedly connected with transfer line between drawing liquid section of thick bamboo and the casing plays sealed effect, avoids hydraulic oil to cause the leakage.
Further, the casing is located row hole top and cuts up the infusion cavity, the transfer line is linked together with a liquid suction cylinder and infusion cavity respectively, row hole inside wall fixedly connected with reducing bag, the reducing bag adopts the elasticity material to make, can come the aperture size of control row hole through the flow, and then plays the effect of adjusting.
Further, spacing flexible stick is including pegging graft the solid fixed cylinder on the ejector pin, the equal sliding connection in both ends has the inserted bar about the solid fixed cylinder, ejector pin top fixedly connected with disc, the liquid extraction section of thick bamboo left and right sides inner wall all opens the chisel have with inserted bar assorted jack, and the inserted bar is pegged graft inside the jack.
Further, two annular plates of the inside fixedly connected with of solid fixed cylinder, fixedly connected with compression spring between annular plate and the plunger, the rope is connected to fixedly connected with between ejector pin and the plunger, can play spacing effect to guarantee that when the low-speed operation, great deformation can not take place for the change of pressure in the reducing bag, improved the stability in row hole aperture.
Furthermore, the inside rotation of fixed cylinder is connected with the pulley, and the pulley contacts with connecting the rope, can play the effect of direction guide, and then makes the plunger can be more easily pulled back.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) this scheme can adopt the adjustable valve system structural style of multistage damping high-low speed compression, can adjust the damping coefficient on the one hand, and on the other hand can provide the higher damping coefficient of bandwidth automatically, satisfies the damping force value demand under the different operating modes, and in addition, under the shock absorber is in too high state, can adjust the aperture of arranging the hole automatically, has further reduced its damping force, realizes can providing necessary damping force demand according to complicated changeable operating mode of traveling, and the self-adaptation.
(2) The inside fixedly connected with connection piece of casing, two drawing liquid section of thick bamboo of lateral wall fixedly connected with on the connection piece, the inside sliding connection of drawing liquid section of thick bamboo has the removal stopper, drawing liquid section of thick bamboo lower extreme fixedly connected with connecting cylinder, lateral wall fixedly connected with ejector pin on the compression valve body, and the ejector pin runs through to remove the stopper and installs spacing telescopic rod, can be when high-speed, adjusts the flow of hydraulic oil through the compression valve body, also can strengthen its damping effect in addition.
(3) The ejector rod is located the inside fixedly connected with sealing plug of connecting cylinder, and the fixedly connected with transfer line between drawing liquid section of thick bamboo and the casing plays sealed effect, avoids hydraulic oil to cause the leakage.
(4) The casing is located row hole top and cuts up and has had the infusion cavity, and the transfer line is linked together with a liquid suction tube and infusion cavity respectively, row hole inside wall fixedly connected with reducing bag, and the reducing bag adopts elastic material to make, can come the aperture size of control row hole through the flow, and then play the effect of regulation.
(5) Spacing flexible stick is including pegging graft the solid fixed cylinder on the ejector pin, and the equal sliding connection in both ends has the inserted bar about the solid fixed cylinder, ejector pin top fixedly connected with disc, and the liquid extraction section of thick bamboo left and right sides inner wall all opens the chisel have with inserted bar assorted jack, and the inserted bar is pegged graft inside the jack.
(6) Two annular plates of the inside fixedly connected with of solid fixed cylinder, fixedly connected with compression spring between annular plate and the plunger, fixedly connected with is connected the rope between ejector pin and the plunger, can play spacing effect to guarantee when the low-speed operation, great deformation can not take place because of the change of pressure in the reducing bag, has improved the stability in round hole aperture.
(7) The fixed cylinder is connected with the pulley in an internal rotation mode, the pulley is in contact with the connecting rope, the direction guiding effect can be achieved, and then the plunger can be pulled back more easily.
Drawings
FIG. 1 is an external view of the present invention;
FIG. 2 is a schematic view of the internal structure of the shock absorber body of the present invention;
FIG. 3 is a front sectional view of the housing of the present invention;
FIG. 4 is a schematic view of the configuration of the fluid extraction cartridge of the present invention;
FIG. 5 is a side sectional view of a housing portion of the present invention;
FIG. 6 is a state diagram of the flow of oil during low speed operation of the present invention;
FIG. 7 is a state diagram of the flow of oil during high speed operation of the present invention;
FIG. 8 is a view showing the state of the liquid suction tube when the knock rod is pushed upward according to the present invention;
FIG. 9 is an enlarged view taken at A in FIG. 8;
FIG. 10 is a view showing a state where the hole diameter of the hole array of the present invention is enlarged.
The reference numbers in the figures illustrate:
1 shock absorber body, 11 guide rods, 12 spring plates, 13 springs, 14 oil, 2 shells, 21 adjusting cores, 22 adjusting wheels, 23 oil flowing pore canals, 24 flow limiting holes, 25 oil inlet cylinders, 26 fixed ring plates, 27 return springs, 28 rows of holes, 3 compression valve bodies, 31 ejector rods, 32 sealing plugs, 4 connecting pieces, 5 liquid pumping cylinders, 51 moving plugs, 52 connecting cylinders, 53 hydraulic oil, 54 liquid conveying pipes, 6 limiting telescopic rods, 61 fixed cylinders, 62 inserting rods, 63 annular plates, 64 compression springs, 65 connecting ropes, 66 disks, 7 variable diameter capsules, 71 liquid conveying cavities and 8 pistons.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may 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.
Example 1:
referring to fig. 1-6, a high-low speed compression damping adjustable valve system assembly structure comprises a shock absorber body 1, a guide rod 11 is inserted on the shock absorber body 1, spring plates 12 are fixedly connected on the shock absorber body 1 and the guide rod 11, a spring 13 is fixedly connected between the two spring plates 12, a shell 2 is connected at the lower end of the guide rod 11 through a thread, oil 14 is filled in the shock absorber body 1, an adjusting wheel 22 is connected at the upper end of the shell 2 through a thread, an adjusting core 21 is connected on the adjusting wheel 22 through a thread, a flowing oil hole 23 is drilled at the lower end of the adjusting wheel 22, the adjusting core 21 is in contact with the flowing oil hole 23, a limiting hole 24 is drilled on the adjusting wheel 22, an oil inlet cylinder 25 is inserted at the lower end of the adjusting wheel 22, a fixed ring plate 26 is fixedly connected on the oil inlet cylinder 25, a compression valve body 3 is sleeved on the upper portion of the fixed ring plate 26 of the oil inlet cylinder 25, a return spring 27 is fixedly connected between the compression valve body 3 and the adjusting wheel 22, the left side wall and the right side wall of the shell 2 are both provided with the exhaust holes 28, the lower side wall of the shell 2 is fixedly connected with the piston 8, and the piston 8 is contacted with the inner side wall of the shock absorber body 1, in the process of low-speed operation of the shock absorber, namely when the amplitude of an automobile is small, the shell 2 generates small displacement in the shock absorber body 1, so that oil 14 passes through the oil inlet cylinder 25 and passes through a gap between the adjusting core 21 and the adjusting wheel 22, flows into a cavity between the shell 2 and the oil inlet cylinder 25 through the flow limiting hole 24, and finally flows to the upper part of the piston 8 through the exhaust holes 28, as shown in figure 6, the gap between the adjusting core 21 and the adjusting wheel 22 can be changed through thread adjustment, the size of the cross-section gap affects the flow of the oil 14, the resistance is increased when the flow is small, the flow resistance is further controlled by controlling the flow of the oil 14, the low-speed damping force can be adjusted, and when the oil 14 does not reach the adjusting core 21 in the process of the low-speed operation of the shock absorber, the pressure of the oil liquid 14 below the piston 8 is increased, so that the compression valve body 3 moves upwards, the oil liquid 14 enters the cavity between the reducing bag 7 and the oil inlet cylinder 25 through the compression valve body 3 and flows out through the discharge holes 28, the damping force of the vibrator is reduced, and the effect of automatic high-speed and low-speed adjustment is achieved.
Referring to fig. 1-7, a connecting sheet 4 is fixedly connected inside a housing 2, two liquid-extracting cylinders 5 are fixedly connected to the side wall of the connecting sheet 4, a movable plug 51 is slidably connected inside the liquid-extracting cylinders 5, a connecting cylinder 52 is fixedly connected to the lower end of the liquid-extracting cylinder 5, a plunger 31 is fixedly connected to the side wall of a compression valve body 3, the plunger 31 penetrates through the movable plug 51 and is provided with a limiting telescopic rod 6, the plunger 31 is fixedly connected inside the connecting cylinder 52 and is provided with a sealing plug 32, a perfusion tube 54 is fixedly connected between the liquid-extracting cylinders 5 and the housing 2 to play a role of sealing and prevent leakage of hydraulic oil 53, a perfusion cavity 71 is chiseled above a discharge hole 28 of the housing 2, the perfusion tube 54 is respectively communicated with the liquid-extracting cylinders 5 and the perfusion cavity 71, a reducing bag 7 is fixedly connected to the inner side wall of the discharge hole 28, the reducing bag 7 is made of elastic material, and the aperture of the limiting discharge hole 28 passing through the limiting telescopic rod 6 cannot be greatly changed in the normal high and low speed range, when the shock absorber is at an overhigh speed, the pressure of the oil 14 below the piston 8 can cause the compression valve body 3 to carry the ejector rod 31 to trigger the limit telescopic rod 6.
Referring to fig. 8-10, the limiting telescopic rod 6 includes a fixed cylinder 61 inserted into the top rod 31, the left and right ends of the fixed cylinder 61 are slidably connected with plug rods 62, the top end of the top rod 31 is fixedly connected with a disc 66, the inner walls of the left and right sides of the liquid-extracting cylinder 5 are both provided with insertion holes matched with the plug rods 62, the plug rods 62 are inserted into the insertion holes, the two connecting ropes 65 are pulled by the top rod 31 to separate the plug rods 62 from the liquid-extracting cylinder 5, the top rod 31 drives the movable plug 51 to move upwards to suck the hydraulic oil 53 in the variable diameter bag 7 into the liquid-extracting cylinder 5, so that the variable diameter bag 7 is deformed due to the loss of the support of the hydraulic oil 53, as shown in fig. 9-10, the aperture of the row holes 28 is enlarged to further reduce the damping force, when the shock absorber is switched to a low-speed state, the plug rods 62 are inserted into the insertion holes of the liquid-extracting cylinder 5 again due to the restoring force of the compression spring 64, meanwhile, the movable plug 51 is driven to extrude the hydraulic oil 53, so that the aperture initial state of the row holes 28 is promoted.
Referring to fig. 4, two annular plates 63 are fixedly connected inside the fixed cylinder 61, a compression spring 64 is fixedly connected between the annular plates 63 and the plunger 62, and a connecting rope 65 is fixedly connected between the plunger 31 and the plunger 62, so that a limiting effect can be achieved, the variable diameter bag 7 cannot deform greatly due to pressure changes when operating at a low speed, and the stability of the aperture of the row hole 28 is improved.
Referring to fig. 4, a pulley is rotatably connected inside the fixing tube 61 and contacts with the connecting rope 65 to guide the direction, so that the plunger 62 can be pulled back more easily.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (10)
1. The utility model provides an adjustable valve system assembly structure of high low-speed compression damping, includes shock absorber body (1), its characterized in that: the shock absorber is characterized in that a guide rod (11) is inserted into the shock absorber body (1), spring plates (12) are fixedly connected onto the shock absorber body (1) and the guide rod (11), a spring (13) is fixedly connected between the two spring plates (12), a shell (2) is in threaded connection with the lower end of the guide rod (11), oil (14) is filled into the shock absorber body (1), an adjusting wheel (22) is in threaded connection with the upper end of the shell (2), an adjusting core (21) is in threaded connection with the adjusting wheel (22), an oil flowing hole (23) is formed in the lower end of the adjusting wheel (22), the adjusting core (21) is in contact with the oil flowing hole (23), a limiting hole (24) is formed in the adjusting wheel (22), an oil inlet cylinder (25) is inserted into the lower end of the adjusting wheel (22), and a fixing ring plate (26) is fixedly connected onto the oil inlet cylinder (25), the oil inlet cylinder (25) is located above the fixed ring plate (26) and is sleeved with a compression valve body (3), a return spring (27) is fixedly connected between the compression valve body (3) and the adjusting wheel (22), the left side wall and the right side wall of the shell (2) are provided with discharge holes (28), the side wall of the shell (2) is fixedly connected with a piston (8), and the piston (8) is in contact with the inner side wall of the shock absorber body (1).
2. The high and low speed compression damping adjustable valve train assembly structure according to claim 1, wherein: the utility model discloses a portable liquid pump, including casing (2), the inside fixedly connected with connection piece (4) of casing (2), lateral wall fixedly connected with two drawing liquid section of thick bamboo (5) on connection piece (4), drawing liquid section of thick bamboo (5) inside sliding connection has removal stopper (51).
3. The high-low speed compression damping adjustable valve train assembly structure according to claim 2, wherein: draw liquid section of thick bamboo (5) lower extreme fixedly connected with connecting cylinder (52), lateral wall fixedly connected with ejector pin (31) on compression valve body (3), ejector pin (31) run through and remove stopper (51) and install spacing telescopic rod (6).
4. The high-low speed compression damping adjustable valve train assembly structure according to claim 3, wherein: the ejector rod (31) is positioned inside the connecting cylinder (52) and is fixedly connected with a sealing plug (32), and a transfusion tube (54) is fixedly connected between the liquid pumping cylinder (5) and the shell (2).
5. The high and low speed compression damping adjustable valve train assembly structure according to claim 4, wherein: casing (2) are located volleyball (28) top and cut infusion cavity (71), transfer line (54) are linked together with drawing liquid section of thick bamboo (5) and infusion cavity (71) respectively, volleyball (28) inside wall fixedly connected with reducing bag (7).
6. The high and low speed compression damping adjustable valve train assembly structure according to claim 5, wherein: the diameter-variable bag (7) is made of elastic materials.
7. The high-low speed compression damping adjustable valve train assembly structure according to claim 3, wherein: the limiting telescopic rod (6) comprises a fixed cylinder (61) inserted on the ejector rod (31), the left end and the right end of the fixed cylinder (61) are connected with the ejector rod (62) in a sliding mode, and a disc (66) is fixedly connected to the top end of the ejector rod (31).
8. The high-low speed compression damping adjustable valve train assembly structure according to claim 2, wherein: the inner walls of the left side and the right side of the liquid pumping cylinder (5) are all provided with insertion holes matched with the insertion rods (62), and the insertion rods (62) are inserted into the insertion holes.
9. The high and low speed compression damping adjustable valve train assembly structure according to claim 7, wherein: two annular plates (63) are fixedly connected to the inner portion of the fixed barrel (61), a compression spring (64) is fixedly connected between the annular plates (63) and the plunger (62), and a connecting rope (65) is fixedly connected between the ejector rod (31) and the plunger (62).
10. The high and low speed compression damping adjustable valve train assembly structure according to claim 7, wherein: the fixed cylinder (61) is rotatably connected with a pulley, and the pulley is in contact with the connecting rope (65).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210509448.0A CN114607723B (en) | 2022-05-11 | 2022-05-11 | High-low speed compression damping adjustable valve system assembly structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210509448.0A CN114607723B (en) | 2022-05-11 | 2022-05-11 | High-low speed compression damping adjustable valve system assembly structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114607723A true CN114607723A (en) | 2022-06-10 |
| CN114607723B CN114607723B (en) | 2022-07-08 |
Family
ID=81870342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210509448.0A Active CN114607723B (en) | 2022-05-11 | 2022-05-11 | High-low speed compression damping adjustable valve system assembly structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114607723B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115856228A (en) * | 2023-02-21 | 2023-03-28 | 四川省公路规划勘察设计研究院有限公司 | Tunnel harmful gas monitoring device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2827513A1 (en) * | 1978-02-18 | 1979-08-23 | Honda Motor Co Ltd | DEVICE FOR CONTROLLING DAMPING FORCE IN HYDRAULIC SHOCK ABSORBERS |
| CN102678810A (en) * | 2012-06-01 | 2012-09-19 | 吉林大学 | High/low speed bidirectional damping adjustable mechanical damper |
| CN102748422A (en) * | 2012-07-04 | 2012-10-24 | 吉林大学 | Stroke sensitive damping adjustable shock absorber |
| JP2017002990A (en) * | 2015-06-10 | 2017-01-05 | Ｋｙｂ株式会社 | Attenuation valve and shock absorber |
| CN211117319U (en) * | 2019-09-05 | 2020-07-28 | 株洲联诚集团减振器有限责任公司 | Oil pressure vibration damper |
| CN216478644U (en) * | 2021-11-22 | 2022-05-10 | 天津天德减震器有限公司 | Shock absorber valve system with low-speed multistage regulation characteristic |
-
2022
- 2022-05-11 CN CN202210509448.0A patent/CN114607723B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2827513A1 (en) * | 1978-02-18 | 1979-08-23 | Honda Motor Co Ltd | DEVICE FOR CONTROLLING DAMPING FORCE IN HYDRAULIC SHOCK ABSORBERS |
| CN102678810A (en) * | 2012-06-01 | 2012-09-19 | 吉林大学 | High/low speed bidirectional damping adjustable mechanical damper |
| CN102748422A (en) * | 2012-07-04 | 2012-10-24 | 吉林大学 | Stroke sensitive damping adjustable shock absorber |
| JP2017002990A (en) * | 2015-06-10 | 2017-01-05 | Ｋｙｂ株式会社 | Attenuation valve and shock absorber |
| CN211117319U (en) * | 2019-09-05 | 2020-07-28 | 株洲联诚集团减振器有限责任公司 | Oil pressure vibration damper |
| CN216478644U (en) * | 2021-11-22 | 2022-05-10 | 天津天德减震器有限公司 | Shock absorber valve system with low-speed multistage regulation characteristic |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115856228A (en) * | 2023-02-21 | 2023-03-28 | 四川省公路规划勘察设计研究院有限公司 | Tunnel harmful gas monitoring device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114607723B (en) | 2022-07-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114607723B (en) | High-low speed compression damping adjustable valve system assembly structure | |
| CN106352010A (en) | Damping force automatic regulation type oil pressure buffer | |
| CN115263970A (en) | Pressure-stabilizing pneumatic spring of oil-gas mixing cylinder | |
| CN202991378U (en) | Inclined-shaft type plunger hydraulic pump/motor | |
| CN212131170U (en) | Shock absorber, shock absorption system and vehicle | |
| CN108547826A (en) | A kind of built-in gas-liquid mixed buffering stretching type high-speed cylinder | |
| CN111022421B (en) | Double-acting buffering hydraulic cylinder with external load absorption sleeve structure | |
| CN209324644U (en) | A kind of new pump plunger | |
| CN209083890U (en) | A kind of ride control shock absorber | |
| CN112392896B (en) | Integrated oil-gas suspension hydraulic cylinder device and working method thereof | |
| CN216554720U (en) | Buffer hydraulic cylinder | |
| CN203189599U (en) | Vibration reduction suspension device of movable type heavy transportation equipment | |
| CN207814079U (en) | A kind of fork truck lifting oil cylinder | |
| CN114483858A (en) | Shock attenuation system and vehicle | |
| CN115653967A (en) | Hydraulic cylinder with high buffer performance | |
| CN209743462U (en) | hydraulic vibration reduction piston with adjustable damping and hydraulic vibration reducer | |
| CN213270523U (en) | Hydraulic limiting type multi-stage oil cylinder | |
| CN213808618U (en) | Low-noise hydraulic vibration reduction piston with adjustable damping and hydraulic vibration reducer | |
| CN210739230U (en) | Suspension oil cylinder assembly, vibration damping system and vehicle | |
| CN110953280B (en) | Liquid-gas buffer | |
| CN111457053A (en) | Shock absorber, shock absorption system and vehicle | |
| CN201908985U (en) | Hydraulic buffer of on-off semi-active suspension system | |
| CN208331099U (en) | Damper | |
| CN220505666U (en) | Single-cylinder non-idle stroke damper | |
| CN110714955A (en) | Hydraulic vibration device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |