CN209671504U - A kind of single drum shock absorber with rotation press closing - Google Patents
A kind of single drum shock absorber with rotation press closing Download PDFInfo
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- CN209671504U CN209671504U CN201920348832.0U CN201920348832U CN209671504U CN 209671504 U CN209671504 U CN 209671504U CN 201920348832 U CN201920348832 U CN 201920348832U CN 209671504 U CN209671504 U CN 209671504U
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- piston
- monotubular
- shock absorber
- single drum
- rotation press
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Abstract
The utility model relates to a kind of single drum shock absorbers, belong to damper technical field, specifically provide a kind of single drum shock absorber with rotation press closing, including monotubular, cylinder bottom, piston rod and piston, described piston rod one end connects piston, the other end is higher by the top of monotubular, the piston connects floating piston close to cylinder bottom one end, floating piston is provided with gas compartment towards cylinder bottom, monotubular top side is provided with combination oil seal and buffer unit, damping oil is provided between buffer unit and piston, guider is provided with beside combination oil seal, connection circlip on guider, circlip side is provided with gasket a, whole device good airproof performance, it wears low durable.
Description
Technical field
The utility model relates to a kind of single drum shock absorbers, belong to damper technical field.
Single drum shock absorber is the design of monotubular (pipe) body, and inside pours into the gas chamber that high pressure nitrogen is stored in ontology lower end, with
Floating piston realizes oil, gas separation.Monotubular shock absorber has the advantages that reaction very fast, simple structure and heat dissipation are easy, it is outer by
Be kept completely separate in oil, gas, under the situation of high pressure, will not cuniculate phenomenon generate, so under harsh use environment,
High-caliber stability can be still played, it is deep by client's favorable comment, but single drum shock absorber is that axial traction is offset by circlip
Power, the maximum drawbar pull offset is smaller, and since the problem of assembly technology be easy to cause circlip not to be press-fit into place, causes to make
Used time circlip, which directly pulls, causes security risk.
In the prior art, such as the utility model of Patent No. CN201620994073.1 discloses a kind of type variable oil gas
Single drum shock absorber, including working cylinder, piston rod and piston are separated, is marked with damping oil inside the working cylinder, it is characterised in that:
It further include lower cover, air bag and charge valve, the air bag is arranged in working cylinder inner cavity lower end, the air bag, the work
Cylinder and the lower cover form air storing cavity, and the lower cover is equipped with through-hole, the charge valve pass through the through-hole with it is described
Inflatable chamber connection, the air bag include the fixed part for being fixed on the working cylinder lower end, are bonded with the working cylinder inner surface
The sticking part and contact portion of setting, there is annular projection on the fixed part, and the contact portion surface is and the piston axis
Vertical plane, the lower cover include main part, the sealing being bonded with the working cylinder inner surface and cavity portion, institute
Cavity portion is stated equipped with the annular recess with the fixed part upper annular male cooperation, the present apparatus is by changing the air pressure in air bag
And then reach variable Oil-gas Separation, but device can not offset axial thrust force in damper, and then aggravate the abrasion of damper.
Utility model content
In order to overcome poor sealing effect in the prior art, the problems such as damper inter deterioration, the utility model provides one
Kind of good damping effect, sealing effect is strong and a kind of lesser single drum shock absorber with rotation press closing of inter deterioration.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of monotubular damping with rotation press closing
Device, including monotubular, cylinder bottom, piston rod and piston, described piston rod one end connect piston, and the other end is higher by the top of monotubular,
The piston connects floating piston close to cylinder bottom one end, and floating piston is provided with gas compartment towards cylinder bottom, and monotubular top side is set
It is equipped with combination oil seal and buffer unit, damping oil is provided between buffer unit and piston.
A kind of above-mentioned single drum shock absorber with rotation press closing, the piston rod and monotubular are coaxially disposed.
A kind of above-mentioned single drum shock absorber with rotation press closing, the gas compartment are elevated pressure nitrogen gas chamber.
The top of a kind of above-mentioned single drum shock absorber with rotation press closing, monotubular uses rotation press closing technique, combination oil seal
Monotubular top is provided with guider, and guider is dusty material, and gasket a is provided between guider and rotation press closing.
A kind of above-mentioned single drum shock absorber with rotation press closing, the gasket a are square with certain thickness gasket,
Material is FLS fluorine silicone rubber.
A kind of above-mentioned single drum shock absorber with rotation press closing, is provided with circlip between the guider and gasket a, combination
Oil sealing is provided with gasket b towards cylinder bottom side, and the side gasket b is provided with buffer unit.
A kind of above-mentioned single drum shock absorber with rotation press closing, the buffer unit are cushion.
The beneficial effects of the utility model are: single drum shock absorber is sealed using rotation press closing, leakproofness can be enhanced,
A gasket is set between rotation press closing and guider simultaneously it is possible to prevente effectively from guider is subject to crushing, using the rotation of this design
Pressure seal mouth single drum shock absorber long service life is durable.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model.
Fig. 2 is partial enlarged view at the utility model A.
1 is gasket a in figure, and 2 be circlip, and 3 be guider, and 4 be piston rod, and 5 be monotubular, and 6 be piston, and 7 be floating piston,
8 be elevated pressure nitrogen gas chamber, and 9 be combination oil seal, and 10 be gasket b, and 11 be cushion, and 12 be cylinder bottom.
Specific embodiment
Below in conjunction with attached drawing, the utility model is described in further detail
A kind of single drum shock absorber with rotation press closing, including monotubular 5, cylinder bottom 12, piston rod 4 and piston 6, the piston
4 one end of bar connects piston 6, and the other end is higher by the top of monotubular 5, and the piston 6 connects floating piston 7 close to 12 one end of cylinder bottom,
Floating piston 7 is provided with gas compartment towards cylinder bottom 12, and 5 top side of monotubular is provided with combination oil seal 9 and buffer unit, buffering
Damping oil is provided between device and piston 6.
Wherein 4 central axes of piston rod and monotubular 5 are coaxially disposed, and are guaranteed in central axes and the monotubular 5 of piston rod 4
Axis on the same line, not only can be reduced the eccentric wear of piston 6 and piston rod 4, while also can be reduced the guider 3 of sealing part
And the abrasion of combination oil seal 9, improve the durability and sealing performance of device.
Wherein, the gas compartment is elevated pressure nitrogen gas chamber 8, and nitrogen is inert gas and has very high compression ratio, for keeping away
Not only compression can be played on shake device while also guaranteeing safety.
Wherein, the top of monotubular 5 uses rotation press closing technique, and combination oil seal 9 is provided with guider 3 towards 5 top of monotubular,
And guider 3 is dusty material, and gasket a1 is provided between guider 3 and rotation press closing, guider 3 is dusty material, is easy
It is sealed and damages by pressure, setting gasket a1 can be effectively prevented guider 3 and damage by pressure between guider 3 and rotation press closing.
Wherein the gasket a1 is square with certain thickness gasket, and material is FLS fluorine silicone rubber, FLS fluorine silicon rubber
Glue has very strong heat-resisting, oil resistant and corrosion resistance, service life higher.
Circlip 2 is wherein provided between the guider 3 and gasket a1, combination oil seal 9 is provided with towards 12 side of cylinder bottom
The side gasket b10, gasket b10 is provided with buffer unit, and circlip 2 is set between guider 3 and monotubular 5 can effective less list
Axial tractive force inside cylinder damper reduces single drum shock absorber abrasion and improves single drum shock absorber safety and service life.
Wherein the buffer unit be cushion 11, using cushion 11 be used as buffer unit, on the one hand manufacture simply at
This is low, and on the other hand corrosion-resistant chemical-resistance is good simultaneously can be with the noise inside less damper.
The above content is combine specifically embodiment a kind of monotubular with rotation press closing described in the utility model is subtracted
Device is shaken, made further description is not defined the scope of the utility model, is not departing from the utility model
Under the premise of design, the various changes and improvements that those of ordinary skill in the art make according to the technical solution of the utility model,
It is regarded as the protection scope of the utility model.
Claims (7)
1. a kind of single drum shock absorber with rotation press closing, including monotubular, cylinder bottom, piston rod and piston, it is characterised in that: described
Piston rod one end connects piston, and the other end is higher by the top of monotubular, and the piston connects floating piston close to cylinder bottom one end, floats
Piston is provided with gas compartment towards cylinder bottom, and monotubular top side is provided with combination oil seal and buffer unit, buffer unit and work
Damping oil is provided between plug.
2. a kind of single drum shock absorber with rotation press closing according to claim 1, it is characterised in that: the piston rod with
Monotubular coaxial arrangement.
3. a kind of single drum shock absorber with rotation press closing according to claim 1, it is characterised in that: the gas compartment is
Elevated pressure nitrogen gas chamber.
4. a kind of single drum shock absorber with rotation press closing according to claim 1, it is characterised in that: the top of monotubular uses
Rotation press closing technique, combination oil seal are provided with guider towards monotubular top, gasket are provided between guider and rotation press closing
a。
5. a kind of single drum shock absorber with rotation press closing according to claim 4, it is characterised in that: the gasket a is positive
The certain thickness gasket of square band.
6. a kind of single drum shock absorber with rotation press closing according to claim 4, it is characterised in that: the guider and pad
Circlip is provided between piece a, combination oil seal is provided with gasket b towards cylinder bottom side, and the side gasket b is provided with buffer unit.
7. a kind of single drum shock absorber with rotation press closing according to claim 6, it is characterised in that: the buffer unit is
Cushion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920348832.0U CN209671504U (en) | 2019-03-19 | 2019-03-19 | A kind of single drum shock absorber with rotation press closing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920348832.0U CN209671504U (en) | 2019-03-19 | 2019-03-19 | A kind of single drum shock absorber with rotation press closing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209671504U true CN209671504U (en) | 2019-11-22 |
Family
ID=68572070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920348832.0U Active CN209671504U (en) | 2019-03-19 | 2019-03-19 | A kind of single drum shock absorber with rotation press closing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209671504U (en) |
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2019
- 2019-03-19 CN CN201920348832.0U patent/CN209671504U/en active Active
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