CN215980591U - Shock absorber with dustproof shock-absorbing structure - Google Patents
Shock absorber with dustproof shock-absorbing structure Download PDFInfo
- Publication number
- CN215980591U CN215980591U CN202120379829.2U CN202120379829U CN215980591U CN 215980591 U CN215980591 U CN 215980591U CN 202120379829 U CN202120379829 U CN 202120379829U CN 215980591 U CN215980591 U CN 215980591U
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- cylinder body
- wall
- piston
- fixed
- spring
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- 230000035939 shock Effects 0.000 title claims abstract description 39
- 239000006096 absorbing agent Substances 0.000 title claims abstract description 28
- 238000007790 scraping Methods 0.000 claims abstract description 22
- 238000010521 absorption reaction Methods 0.000 claims abstract description 8
- 239000010720 hydraulic oil Substances 0.000 claims description 12
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 239000003921 oil Substances 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 3
- 239000000428 dust Substances 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 12
- 239000000243 solution Substances 0.000 description 7
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 230000006378 damage Effects 0.000 description 3
- 238000013016 damping Methods 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
The utility model discloses a shock absorber with a dustproof shock absorption structure, which belongs to the technical field of shock absorber manufacturing and comprises a cylinder body and a piston, wherein the piston is slidably nested in an inner cavity of the cylinder body, a piston rod is fixed at the center of the top surface of the piston, the top end of the piston rod penetrates through the top wall of the cylinder body and is in sliding connection with the top wall of the cylinder body, a tray is fixed at the top end of the piston rod, a spring is fixed between the bottom surface of the tray and the top surface of the cylinder body, the spring is sleeved on the outer surface of the piston rod, a sleeve is sleeved on the outer surface of the spring, the top end of the sleeve is fixedly connected with the bottom surface of the tray, a support ring is fixed at the bottom end of the sleeve, and a bushing is arranged between the inner wall of the support ring and the outer wall of the cylinder body. According to the utility model, the clamp spring extrudes the bushing to drive the three scraping strips to be attached to the surface of the cylinder body, so that the inner part of the sleeve is sealed, and dust is prevented from entering the sleeve to corrode the spring and the piston rod.
Description
Technical Field
The utility model belongs to the technical field of manufacturing of shock absorbers, and particularly relates to a shock absorber with a dustproof shock absorption structure.
Background
Along with the development of society, the car becomes comparatively general instrument of riding instead of walk, in order to increase the comfort level of car, can install the bumper shock absorber when the automobile production, and along with the progress of science and technology, the bumper shock absorber adopts spring shock attenuation usually, and along with the development of technique, spring shock absorber's shock attenuation effect is also more and more good moreover.
Present automobile shock absorber ware is mostly spring shock attenuation, and at the bumper shock absorber during operation, piston rod and spring contact with the air at work, easily are infected with dust and silt in the air for inside the guide rail was brought into in the piston rod slides, thereby harm the guide rail internal surface, arouse the bumper shock absorber to damage or abnormal sound, and silt is attached to the spring surface for a long time moreover, corrodes the spring easily, causes the spring performance to descend.
SUMMERY OF THE UTILITY MODEL
The utility model aims to: the shock absorber comprises a shock absorber body, a piston rod, a spring, a dust-proof damping structure and a spring, wherein the piston rod is connected with the spring through a connecting rod, the spring is connected with the piston rod through a connecting rod, the piston rod is connected with the spring through a connecting rod, the connecting rod is connected with the spring through a connecting rod, and the piston rod is connected with the spring through a connecting rod.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a shock absorber with a dustproof shock absorption structure comprises a cylinder body and a piston, wherein the piston is nested in an inner cavity of the cylinder body in a sliding mode, a piston rod is fixed at the center of the top surface of the piston, the top end of the piston rod penetrates through the top wall of the cylinder body and is in sliding connection with the top wall, a tray is fixed at the top end of the piston rod, a spring is fixed between the bottom surface of the tray and the top surface of the cylinder body, the spring is sleeved on the outer surface of the piston rod, a sleeve is sleeved on the outer surface of the spring, the top end of the sleeve is fixedly connected with the bottom surface of the tray, a supporting ring is fixed at the bottom end of the sleeve, a bushing is arranged between the inner wall of the supporting ring and the outer wall of the cylinder body, three scraping strips are respectively fitted with the outer wall of the cylinder body, a plurality of balls are nested at the top of the inner wall of the bushing, and are in rolling connection with the surface of the cylinder body, a clamp spring is arranged between the ball and the scraping strip, and the clamp spring is fixedly nested in an embedding groove in the middle of the outer surface of the bushing.
As a further description of the above technical solution:
a plurality of discharge holes are symmetrically formed between the scraping strips respectively, screws are in threaded connection with the two sides of the supporting ring respectively, and one end, close to the cylinder body, of each screw is embedded in the embedding groove in the top of the corresponding bushing.
As a further description of the above technical solution:
a plurality of through-holes have been seted up to the surface symmetry of piston, the piston with install first sealed pad between the inner wall of cylinder body, first sealed pad is fixed nestification in the circumference outside caulking groove of piston, the cylinder body with the sliding connection department of piston rod is provided with the sealed pad of second, the sealed pad of second with caulking groove fixed connection on the cylinder body roof.
As a further description of the above technical solution:
an oil injection nozzle is installed on one side of the bottom of the cylinder body and is in threaded connection with the outer wall of the cylinder body, and hydraulic oil is filled in the inner cavity of the cylinder body.
As a further description of the above technical solution:
the top surface of tray is fixed with solid fixed ring, the bottom surface of cylinder body is fixed with branch.
As a further description of the above technical solution:
the scraping strip is made of rubber, and the outer surface of the fixing ring, the tray, the sleeve and the supporting rod are coated with antirust and anticorrosive coatings.
In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:
1. according to the utility model, through the arrangement of the clamp spring, the bushing and the scraping strips, the clamp spring extrudes the three scraping strips at the bottom of the bushing to be attached to the outer surface of the cylinder body through elasticity, the scraping strips move up and down to scrape off silt on the surface of the outer wall of the cylinder body, the silt is prevented from entering the sleeve, a sealing effect is achieved, and the spring and the piston rod are prevented from being damaged by the silt.
2. According to the utility model, through the piston, the through hole and the cylinder body, the inner wall of the cylinder body moves upwards along the outer wall of the piston, so that hydraulic oil at the bottom of the inner wall of the cylinder body is compressed and flows into the top of the inner wall of the cylinder body through the through hole, and due to the flow limitation of the through hole, the reaction force generated by extrusion of the hydraulic oil at the bottom of the cylinder body effectively offsets the compression action of the cylinder body on the spring, thereby preventing the spring from being damaged due to severe compression and protecting the spring.
3. According to the utility model, through the arranged oil injection nozzle, the oil injection nozzle is convenient to inject and replace different types of hydraulic oil, and the viscosity degrees of the different types of hydraulic oil are different, so that the speed of the hydraulic oil flowing through the through hole is changed, and the damping effect of the damper is changed according to the road condition bumping condition.
Drawings
Fig. 1 is a front sectional view of a shock absorber having a dustproof shock-absorbing structure according to the present invention;
fig. 2 is a top sectional view of a shock absorber having a dustproof shock-absorbing structure according to the present invention;
fig. 3 is an enlarged view of a portion a of fig. 1 of a shock absorber having a dustproof shock-absorbing structure according to the present invention.
Illustration of the drawings: 1. a cylinder body; 2. a piston; 3. a piston rod; 4. a tray; 5. a spring; 6. a sleeve; 7. a branch ring; 8. a bushing; 9. scraping the strips; 10. a ball bearing; 11. a clamp spring; 12. a vent hole; 13. a screw; 14. a through hole; 15. a first gasket; 16. a second gasket; 17. an oil injection nozzle; 18. a fixing ring; 19. a support rod.
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.
As shown in fig. 1-3, the shock absorber with a dustproof shock-absorbing structure of this embodiment includes a cylinder body 1 and a piston 2, the piston 2 is slidably nested in an inner cavity of the cylinder body 1, a piston rod 3 is fixed at a center of a top surface of the piston 2, a top end of the piston rod 3 penetrates through a top wall of the cylinder body 1 and is slidably connected therewith, a tray 4 is fixed at a top end of the piston rod 3, a spring 5 is fixed between a bottom surface of the tray 4 and a top surface of the cylinder body 1, the spring 5 is sleeved on an outer surface of the piston rod 3, a sleeve 6 is sleeved on an outer surface of the spring 5, a top end of the sleeve 6 is fixedly connected with a bottom surface of the tray 4, a support ring 7 is fixed at a bottom end of the sleeve 6, a bushing 8 is arranged between an inner wall of the support ring 7 and an outer wall of the cylinder body 1, three scraping strips 9 are respectively attached to an outer wall of the cylinder body 1, a plurality of balls 10 are nested on a top portion of an inner wall of the bushing 8, ball 10 and 1 surface roll connection of cylinder body, be provided with jump ring 11 between ball 10 and the strip of scraping 9, jump ring 11 is fixed to be nested in the middle caulking groove of the surface of bush 8, tray 4 reciprocates along the inner wall of cylinder body 1 through piston rod 3 and piston 2, utilize the impact force that the road surface jolted and produced of spring 5's compression elasticity buffering, jump ring 11 extrudes the three surface of scraping 9 laminating cylinder bodies 1 of bush 8 bottom through elasticity, it can strike off the silt on 1 outer wall surface of cylinder body along with sleeve 6 reciprocates to scrape strip 9, avoid entering into inside sleeve 6, ball 10 rolls along the outer wall of cylinder body 1, bush 8 has improved along the gliding smooth effect of 1 outer wall of cylinder body.
As shown in fig. 1 and 3, a plurality of discharge holes 12 are symmetrically formed between the three scraping strips 9 respectively, the discharge holes 12 facilitate the discharge of dust and silt between the three scraping strips 9, the surface of the cylinder body 1 keeps smooth, the two sides of the supporting ring 7 are respectively in threaded connection with screws 13, one ends of the screws 13 close to the cylinder body 1 are embedded in the embedding grooves at the top of the lining 8, the screws 13 play a role in fixing the lining 8, and the lining 8 is convenient to disassemble and replace.
As shown in fig. 1 and 3, a plurality of through-holes 14 have been seted up to the surface symmetry of piston 2, through-hole 14 plays the embedded effect of intercommunication cylinder body 1, install first sealed pad 15 between the inner wall of piston 2 and cylinder body 1, first sealed pad 15 is fixed nestedly in the circumference outside caulking groove of piston 2, first sealed pad 15 is laminated with the inner wall of cylinder body 1 mutually, play sealed and guide effect, cylinder body 1 is provided with the sealed 16 of second with the sliding connection department of piston rod 3, the sealed 16 caulking groove fixed connection on with the cylinder body 1 roof of second, the sealed 16 of second plays sealed effect, prevent that the inside hydraulic oil of cylinder body 1 from leaking to the outside along with the removal of piston rod 3.
As shown in figure 1, an oil injection nozzle 17 is installed on one side of the bottom of a cylinder body 1, the oil injection nozzle 17 is in threaded connection with the outer wall of the cylinder body 1, hydraulic oil is filled in the inner cavity of the cylinder body 1, the oil injection nozzle 17 is convenient to fill and replace the hydraulic oil of different types, and the damping effect of the shock absorber can be changed.
As shown in fig. 1, a fixing ring 18 is fixed on the top surface of the tray 4, a support rod 19 is fixed on the bottom surface of the cylinder body 1, the fixing ring 18 is conveniently and fixedly connected with a vehicle frame, and the support rod 19 is conveniently and fixedly connected with a wheel axle of a vehicle, so that the maintenance and the replacement are convenient.
As shown in fig. 1 and 2, the scraping strip 9 is made of rubber, so that the outer wall of the cylinder body 1 is prevented from being scratched, the attaching degree of the scraping strip 9 and the outer wall of the cylinder body 1 is improved, the sealing effect is increased, the outer surfaces of the fixing ring 18, the tray 4, the sleeve 6 and the supporting rod 19 are all coated with antirust and anticorrosive coatings, the rust is prevented, and the service life of the device is prolonged.
The working principle and the using method of the utility model are as follows: when the shock absorber is used, the shock absorber is fixed on a frame and a wheel shaft of a vehicle through the fixing ring 18 and the supporting rod 19, when the vehicle runs on the road surface, vibration transmitted by a tire acts on the supporting rod 19, the supporting rod 19 pushes the cylinder body 1 to upwards compress the spring 5 to play a role in buffering vibration, meanwhile, the inner wall of the cylinder body 1 upwards moves along the outer wall of the piston 2, so that hydraulic oil at the bottom of the inner wall of the cylinder body 1 is compressed and flows into the top of the inner wall of the cylinder body 1 through the through hole 14, due to the flow limitation of the through hole 14, the compression effect of the cylinder body 1 on the spring 5 is effectively counteracted by the reaction force generated by the compression of the hydraulic oil at the bottom of the cylinder body 1, the damage of the spring 5 caused by violent compression is avoided, the clamp spring 11 is attached to the outer surface of the cylinder body 1 through the three scraping strips 9 at the bottom of the elastic extrusion bush 8 to play a sealing effect on the interior of the sleeve 6, and the ball 10 rolls along the outer wall of the cylinder body 1, the smooth effect of the liner 8 sliding along the outer wall of the cylinder block 1 is improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. The shock absorber with the dustproof shock absorption structure comprises a cylinder body (1) and a piston (2), and is characterized in that the piston (2) is nested in an inner cavity of the cylinder body (1) in a sliding mode, a piston rod (3) is fixed to the center of the top surface of the piston (2), the top end of the piston rod (3) penetrates through the top wall of the cylinder body (1) and is in sliding connection with the top wall of the cylinder body, a tray (4) is fixed to the top end of the piston rod (3), a spring (5) is fixed between the bottom surface of the tray (4) and the top surface of the cylinder body (1), the spring (5) is sleeved on the outer surface of the piston rod (3), a sleeve (6) is sleeved on the outer surface of the spring (5), the top end of the sleeve (6) is fixedly connected with the bottom surface of the tray (4), a supporting ring (7) is fixed to the bottom end of the sleeve (6), a bushing (8) is arranged between the inner wall of the supporting ring (7) and the outer wall of the cylinder body (1), the inner wall bottom of bush (8) is provided with three scraping strip (9), and is three scraping strip (9) respectively with the outer wall of cylinder body (1) is laminated mutually, the inner wall top nestification of bush (8) has a plurality of balls (10), ball (10) with cylinder body (1) surface roll connection, ball (10) with be provided with jump ring (11) between scraping strip (9), jump ring (11) are fixed nestedly in the middle of the surface caulking groove of bush (8).
2. The shock absorber with the dustproof shock absorption structure according to claim 1, wherein a plurality of drain holes (12) are symmetrically formed between three scraping strips (9), two sides of the supporting ring (7) are respectively in threaded connection with a screw (13), and one end, close to the cylinder body (1), of each screw (13) is embedded in a caulking groove at the top of the bushing (8).
3. The shock absorber with the dustproof shock absorption structure according to claim 2, wherein a plurality of through holes (14) are symmetrically formed in the surface of the piston (2), a first sealing gasket (15) is installed between the piston (2) and the inner wall of the cylinder body (1), the first sealing gasket (15) is fixedly nested in a caulking groove on the outer side of the circumference of the piston (2), a second sealing gasket (16) is arranged at the sliding connection position of the cylinder body (1) and the piston rod (3), and the second sealing gasket (16) is fixedly connected with the caulking groove on the top wall of the cylinder body (1).
4. The shock absorber with the dustproof shock absorption structure according to claim 3, wherein an oil injection nozzle (17) is installed on one side of the bottom of the cylinder body (1), the oil injection nozzle (17) is in threaded connection with the outer wall of the cylinder body (1), and hydraulic oil is filled in the inner cavity of the cylinder body (1).
5. The shock absorber with dustproof shock-absorbing structure according to claim 4 is characterized in that a fixing ring (18) is fixed to the top surface of the tray (4) and a supporting rod (19) is fixed to the bottom surface of the cylinder body (1).
6. The shock absorber with the dustproof shock absorption structure according to claim 5, wherein the scraping strip (9) is made of rubber, and the outer surfaces of the fixing ring (18), the tray (4), the sleeve (6) and the supporting rod (19) are all coated with antirust and anticorrosive coatings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120379829.2U CN215980591U (en) | 2021-02-19 | 2021-02-19 | Shock absorber with dustproof shock-absorbing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120379829.2U CN215980591U (en) | 2021-02-19 | 2021-02-19 | Shock absorber with dustproof shock-absorbing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215980591U true CN215980591U (en) | 2022-03-08 |
Family
ID=80506663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120379829.2U Expired - Fee Related CN215980591U (en) | 2021-02-19 | 2021-02-19 | Shock absorber with dustproof shock-absorbing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215980591U (en) |
-
2021
- 2021-02-19 CN CN202120379829.2U patent/CN215980591U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220308 |
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| CF01 | Termination of patent right due to non-payment of annual fee |