CN111853140A - Shock absorber with compression hydraulic buffer spring structure - Google Patents

Shock absorber with compression hydraulic buffer spring structure Download PDF

Info

Publication number
CN111853140A
CN111853140A CN202010801237.5A CN202010801237A CN111853140A CN 111853140 A CN111853140 A CN 111853140A CN 202010801237 A CN202010801237 A CN 202010801237A CN 111853140 A CN111853140 A CN 111853140A
Authority
CN
China
Prior art keywords
assembly
compression
piston rod
shock absorber
buffer block
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.)
Pending
Application number
CN202010801237.5A
Other languages
Chinese (zh)
Inventor
姚仁杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Add Industry Zhejiang Corp Ltd
Original Assignee
Add Industry Zhejiang Corp Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Add Industry Zhejiang Corp Ltd filed Critical Add Industry Zhejiang Corp Ltd
Priority to CN202010801237.5A priority Critical patent/CN111853140A/en
Publication of CN111853140A publication Critical patent/CN111853140A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F13/00Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32Details
    • F16F9/36Special sealings, including sealings or guides for piston-rods
    • F16F9/368Sealings in pistons

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Damping Devices (AREA)

Abstract

The invention relates to a shock absorber with a compression hydraulic buffer spring structure, wherein one end of a piston rod recovery valve assembly is arranged in a liquid storage cylinder assembly, a compression bottom valve is arranged at the bottom in the liquid storage cylinder assembly, one end of the liquid storage cylinder assembly, which is far away from an outer sleeve assembly, is provided with a rubber bushing assembly, and a compression spring assembly is connected between the piston rod recovery valve assembly and the compression bottom valve. The compression spring assembly is connected between the piston rod recovery valve assembly and the compression bottom valve, so that under the normal working condition, the recovery compression damping force of the shock absorber attenuates vibration, the compression buffer spring participates in working under the limit compression tool, the shock absorber can not absorb the capability of attenuating impact in time under the full compression condition, namely under the limit compression condition of the buffer block, the vibration can be attenuated rapidly, and the ground sticking performance of the flat road running is not influenced.

Description

Shock absorber with compression hydraulic buffer spring structure
Technical Field
The invention relates to the technical field of shock absorbers, in particular to a shock absorber with a compression hydraulic buffer spring structure.
Background
When a vehicle suspension normally works in up-down jumping mode, the traditional shock absorber attenuates vibration impact force through damping force during restoration and compression. Under the suspension limit rebound working condition, the externally-mounted buffer rubber sleeve often receives large impact, under the condition, the impact force can not be absorbed timely, and the control performance of the whole vehicle is easy to reduce.
Disclosure of Invention
The invention aims to provide a shock absorber with a compression hydraulic buffer spring structure, which aims to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a take compression hydraulic buffer spring structure shock absorber, includes piston rod rebound valve assembly, cup joints at the working cylinder compression valve assembly of piston rod rebound valve assembly periphery, cup joints the liquid storage cylinder assembly of working cylinder compression valve assembly periphery and cup joints the outer sleeve assembly at liquid storage cylinder assembly periphery, the one end of piston rod rebound valve assembly is arranged inside liquid storage cylinder assembly, the bottom is equipped with the compression bottom valve in the liquid storage cylinder assembly, the one end that outer sleeve assembly was kept away from to the liquid storage cylinder assembly is equipped with the rubber bush assembly, be connected with the compression spring assembly between piston rod rebound valve assembly and the compression bottom valve.
Preferably, a first rubber buffer seat is connected between the compression spring assembly and the piston rod recovery valve assembly, and a second rubber buffer seat is connected between the piston rod recovery valve assembly and the compression base valve.
Preferably, the one end that the working cylinder compression valve assembly was kept away from to the outer sleeve assembly is equipped with the second buffer block, the one end that the liquid storage cylinder assembly was kept away from to first buffer block is equipped with first buffer block, first buffer block and second buffer block all cup joint the periphery at piston rod rebound valve assembly.
Preferably, a dust cover component is arranged inside the outer sleeve assembly and on one side close to the second buffer block, and the dust cover component is sleeved on the periphery of the piston rod recovery valve assembly.
Preferably, one side that the second buffer block is close to first buffer block is equipped with annular yielding rubber, one side that first buffer block is close to the second buffer block is equipped with the annular arch of atress that leans on annular yielding rubber.
Preferably, the dust cover assembly is provided with a plurality of annular reinforcing grooves on the periphery.
Preferably, one side of the dust cover assembly close to the piston rod recovery valve assembly is provided with an annular sealing groove.
Preferably, the inner diameter of the annular sealing groove is m3, and m3 is not less than 3cm and not more than 5 cm.
Preferably, the height of the first buffer block protruding out of the piston rod recovery valve assembly is m1, and m1 is more than or equal to 2mm and less than or equal to 6 mm.
Preferably, one side of the first buffer block, which is far away from the second buffer block, is provided with an inner concave part, the depth of the inner concave part is m2, and m2 is not less than 3cm and not more than 7 cm.
Compared with the prior art, the invention has the beneficial effects that: the compression spring assembly is connected between the piston rod recovery valve assembly and the compression bottom valve, so that under the normal working condition, the recovery compression damping force of the shock absorber attenuates vibration, the compression buffer spring participates in working under the limit compression tool, the shock absorber can not absorb the capability of attenuating impact in time under the full compression condition, namely under the limit compression condition of the buffer block, the vibration can be attenuated rapidly, and the ground sticking performance of the flat road running is not influenced.
Other features and advantages of the present invention will be disclosed in more detail in the following detailed description of the invention and the accompanying drawings.
Drawings
Fig. 1 is a sectional view of a shock absorber with a compressed hydraulic buffer spring structure according to the present invention.
In the figure: 1. a first buffer block; 2. a second buffer block; 3. a dust cap assembly; 4. a piston rod recovery valve assembly; 5. a working cylinder compression valve assembly; 6. a liquid storage cylinder assembly; 7. a compression spring assembly; 8. a rubber bushing assembly; 9. an annular seal groove; 10. an annular reinforcing groove; 11. an inner concave portion; 12. a force-bearing annular projection; 13. annular shock-absorbing rubber; 14. an outer sleeve assembly; 15. compressing the bottom valve; 16. a first rubber cushion seat; 17. and a second rubber buffer seat.
Detailed Description
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.
Referring to fig. 1, in an embodiment of the present invention, a shock absorber with a compressed hydraulic buffer spring structure includes a piston rod recovery valve assembly 4, a working cylinder compression valve assembly 5 sleeved on the periphery of the piston rod recovery valve assembly 4, a liquid storage cylinder assembly 6 sleeved on the periphery of the working cylinder compression valve assembly 5, and an outer sleeve assembly 14 sleeved on the periphery of the liquid storage cylinder assembly 6, wherein one end of the piston rod recovery valve assembly 4 is disposed inside the liquid storage cylinder assembly 6, a compressed bottom valve 15 is disposed at the bottom inside the liquid storage cylinder assembly 6, a rubber bushing assembly 8 is disposed at one end of the liquid storage cylinder assembly 6 away from the outer sleeve assembly 14, and a compressed spring assembly 7 is connected between the piston rod recovery valve assembly 4 and the compressed bottom valve 15. Through being connected with compression spring assembly 7 between piston rod rebound valve assembly 4 and compression bottom valve 15, so under the normal operating condition, the rebound compression damping force of shock absorber attenuates the vibration, under the extreme compression frock, compression buffer spring participates in the work, satisfies the shock absorber under the suspension limit operating mode of jumping up, and the shock absorber is under the full compression situation, under the buffer block extreme compression condition promptly, can not in time absorb the ability of attenuating the impact, can attenuate the vibration rapidly, does not influence the ground nature that pastes that the level road surface traveles.
In this embodiment, a first rubber buffer seat 16 is connected between the compression spring assembly 7 and the piston rod recovery valve assembly 4, and a second rubber buffer seat 17 is connected between the piston rod recovery valve assembly 4 and the compression base valve 15. The compression spring assembly 7 is arranged in the liquid storage cylinder assembly 6, a first rubber buffer seat 16 and a second rubber buffer seat 17 are additionally arranged at two ends of the compression spring assembly 7, a compression limit working passage is formed between the piston rod recovery valve assembly 4 and the compression bottom valve 15, namely, the damping impact capacity can not be absorbed in time under the condition of the limit compression of the buffer block, the vibration can be rapidly attenuated, the ground sticking performance of the flat road surface in running can not be influenced, the requirement that the vibration absorber is in the limit working condition of upward jump of the suspension frame is met, the vibration absorber is in the full compression condition, namely, the damping impact capacity can not be absorbed in time under the condition of the limit compression of the buffer block, the vibration can be rapidly attenuated, and the ground sticking performance of the flat road surface in.
In this embodiment, the one end that outer sleeve assembly 14 kept away from working cylinder compression valve assembly 5 is equipped with second buffer block 2, the one end that liquid storage cylinder assembly 6 was kept away from to first buffer block 1 is equipped with first buffer block 1, first buffer block 1 and second buffer block 2 all cup joint the periphery at piston rod rehabilitation valve assembly 4. Through establish second buffer block 2 in the one side of outer sleeve assembly 14 keeping away from working cylinder compression valve assembly 5 to establish first buffer block 1 in the one end that first buffer block 1 kept away from liquid storage cylinder assembly 6, utilize first buffer block 1 and second buffer block 2 can further improve the shock attenuation performance of shock absorber.
In this embodiment, a dust cover component 3 is disposed inside the outer sleeve assembly 14 and on a side close to the second buffer block 2, and the dust cover component 3 is sleeved on the outer periphery of the piston rod recovery valve assembly 4. Through in the inside one side of outer sleeve assembly 14 and being close to second buffer block 2 establish dust cover subassembly 3, dust cover subassembly 3 cup joints in the periphery of piston rod rebound valve assembly 4, so can avoid piston rod rebound valve assembly 4 to bring into impurity such as dust when the activity inside working cylinder compression valve assembly 5, play dirt-proof purpose, guarantee the shock attenuation stability of shock absorber during operation, prolong the life of shock absorber.
In this embodiment, one side that second buffer block 2 is close to first buffer block 1 is equipped with annular yielding rubber 13, one side that first buffer block 1 is close to second buffer block 2 is equipped with the annular arch 12 of atress that supports and leans on annular yielding rubber 13. Through establishing annular yielding rubber 13 near first buffer block 1 one side at second buffer block 2, first buffer block 1 is close to second buffer block 2 one side and establishes the annular arch 12 of atress that leans on annular yielding rubber 13, utilizes the annular arch 12 of atress and annular yielding rubber 13's interact force, can further improve the damping shock-absorbing capacity of shock absorber.
In this embodiment, the dust cover assembly 3 has a plurality of annular reinforcing grooves 10 formed in the outer periphery thereof. Establish a plurality of annular reinforcing groove 10 through the periphery at dust cover subassembly 3, the intensity of dust cover has been improved in the setting of annular reinforcing groove 10, guarantees the tolerance when the dust cover uses, has prolonged the life of shock absorber.
In this embodiment, an annular sealing groove 9 is formed on one side of the dust cover assembly 3 close to the piston rod recovery valve assembly 4. Establish annular seal groove 9 through being close to piston rod rebound valve assembly 4 one side at dust cover subassembly 3, so can utilize annular seal groove 9 to improve the sealing performance of dust cover, stability when further having guaranteed the shock absorber and using has prolonged the life of shock absorber.
In the embodiment, the inner diameter of the annular sealing groove 9 is m3, and m3 is not less than 3cm and not more than 5 cm. In the embodiment, m3 is 4cm, and the arrangement is adopted, so that the dustproof sealing performance of the dustproof cover assembly 3 can be further improved by utilizing the annular sealing groove 9, the stability of the shock absorber in use is ensured, and the service life of the shock absorber is prolonged.
In the embodiment, the height of the first buffer block 1 protruding out of the piston rod recovery valve assembly 4 is m1, and m1 is more than or equal to 2mm and less than or equal to 6 mm. In concrete this embodiment, m1 is 4mm, so set up, can guarantee the compactness of assembly between first buffer block 1 and the piston rod valve assembly 4 that recovers, so can effectively improve the compactness of assembly between the piston rod valve assembly 4 that recovers, improve the stability of first buffer block 1 during operation.
In the embodiment, an inner concave part 11 is arranged on one side of the first buffer block 1 away from the second buffer block 2, the depth of the inner concave part 11 is m2, and m2 is not less than 3cm and not more than 7 cm. In the embodiment, m2 is 5cm, and by adopting the arrangement, the contact area between the piston rod recovery valve assembly 4 and the first buffer block 1 can be reduced by using the concave part 11, and the telescopic moving resistance of the piston rod recovery valve assembly 4 is reduced.
It will be appreciated that m1 may also be 2mm, 2.5mm, 3mm, 3.5mm, 4.5mm, 5mm, 5.5mm, 6mm, etc.
It is understood that m2 may also be 3cm, 3.5cm, 4cm, 4.5cm, 5.5cm, 6cm, 6.5cm, 7cm, etc.
It is understood that m3 may also be 3cm, 3.5cm, 4.5cm, 5cm, etc.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes 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 (10)

1. The utility model provides a take compression hydraulic buffer spring structure shock absorber, its characterized in that, includes piston rod rebound valve assembly, cup joints at the working cylinder compression valve assembly of piston rod rebound valve assembly periphery, cup joints at the liquid storage cylinder assembly of working cylinder compression valve assembly periphery and cup joints the outer sleeve assembly at liquid storage cylinder assembly periphery, the one end of piston rod rebound valve assembly is arranged inside liquid storage cylinder assembly, the bottom is equipped with the compression bottom valve in the liquid storage cylinder assembly, the one end that the outer sleeve assembly was kept away from to the liquid storage cylinder assembly is equipped with the rubber bush assembly, be connected with the compression spring assembly between piston rod rebound valve assembly and the compression bottom valve.
2. The structural shock absorber with a compression hydraulic buffer spring as claimed in claim 1, wherein a first rubber buffer seat is connected between the compression spring assembly and the piston rod recovery valve assembly, and a second rubber buffer seat is connected between the piston rod recovery valve assembly and the compression base valve.
3. The shock absorber with the compression hydraulic buffer spring structure as claimed in claim 1, wherein a second buffer block is provided at an end of the outer sleeve assembly away from the working cylinder compression valve assembly, a first buffer block is provided at an end of the first buffer block away from the liquid storage cylinder assembly, and the first buffer block and the second buffer block are both sleeved on the periphery of the piston rod recovery valve assembly.
4. The shock absorber with the compressed hydraulic buffer spring structure as claimed in claim 3, wherein a dust cover component is arranged inside the outer sleeve assembly and on one side close to the second buffer block, and the dust cover component is sleeved on the outer periphery of the piston rod recovery valve assembly.
5. The structural shock absorber with a compression hydraulic buffer spring as claimed in claim 4, wherein the side of the second buffer block close to the first buffer block is provided with an annular shock absorbing rubber, and the side of the first buffer block close to the second buffer block is provided with a stressed annular bulge abutting against the annular shock absorbing rubber.
6. The structural shock absorber with a compressive hydraulic damping spring as set forth in claim 4, wherein said dust boot assembly is provided with a plurality of annular reinforcing grooves in its outer periphery.
7. The shock absorber with a compressed hydraulic buffer spring structure as claimed in claim 4, wherein an annular seal groove is formed on a side of said dust cover assembly adjacent to said piston rod rebound valve assembly.
8. The shock absorber with the compression hydraulic buffer spring structure as claimed in claim 7, wherein the inner diameter of the annular sealing groove is m3, and m3 is more than or equal to 3cm and less than or equal to 5 cm.
9. The shock absorber with a compression hydraulic buffer spring structure as claimed in claim 4, wherein the height of the first buffer block protruding from the piston rod recovery valve assembly is m1, 2mm < m1 < 6 mm.
10. The structural shock absorber with the compression hydraulic buffer spring as claimed in claim 4, wherein the side of the first buffer block far away from the second buffer block is provided with an internal recess, the depth of the internal recess is m2, and m2 is more than or equal to 3cm and less than or equal to 7 cm.
CN202010801237.5A 2020-08-11 2020-08-11 Shock absorber with compression hydraulic buffer spring structure Pending CN111853140A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010801237.5A CN111853140A (en) 2020-08-11 2020-08-11 Shock absorber with compression hydraulic buffer spring structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010801237.5A CN111853140A (en) 2020-08-11 2020-08-11 Shock absorber with compression hydraulic buffer spring structure

Publications (1)

Publication Number Publication Date
CN111853140A true CN111853140A (en) 2020-10-30

Family

ID=72971232

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010801237.5A Pending CN111853140A (en) 2020-08-11 2020-08-11 Shock absorber with compression hydraulic buffer spring structure

Country Status (1)

Country Link
CN (1) CN111853140A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113931966A (en) * 2021-11-16 2022-01-14 浙江正裕工业股份有限公司 Shock absorber assembly

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113931966A (en) * 2021-11-16 2022-01-14 浙江正裕工业股份有限公司 Shock absorber assembly

Similar Documents

Publication Publication Date Title
CN208900622U (en) A kind of novel automobile shock absorber
CN212775323U (en) Shock absorber with compression hydraulic buffer spring structure
CN111853140A (en) Shock absorber with compression hydraulic buffer spring structure
CN109058353B (en) Automobile shock absorber assembly
CN106996434A (en) A kind of new-energy automobile damper
CN107642575B (en) Automobile double-cylinder type shock absorber
CN205524615U (en) Motorcycle
CN207989626U (en) A kind of floating piston damper
CN207583922U (en) A kind of high abrasion automobile absorber
CN107654558B (en) Automobile shock absorber
CN202955172U (en) Shock absorber
CN212106757U (en) Electromagnetic valve type damping adjustable shock absorber
CN212250940U (en) Wear-resistant automobile shock absorber
CN211390868U (en) Vehicle frame limiting block
CN210661182U (en) Electronic composite shock absorber
CN208503339U (en) A kind of automobile double Hydraulic shock absorber of high leakproofness
CN113775684A (en) Spring damping type soft landing buffer device
CN209510994U (en) A kind of automobile absorber with dustproof effect
CN213206412U (en) Shock absorber with pressure relief adjusting damping valve structure
CN202955168U (en) Shock absorber
CN202468816U (en) Pneumatic shock absorber for vehicle suspension
CN217713450U (en) Built-in buffer device of single-tube shock absorber
CN217481842U (en) Rear spring buffer damper
CN220726955U (en) Double-cylinder type automobile shock absorber
CN205298379U (en) A buffer construction for car

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