CN208845441U - High-pressure piston type accumulator cylinder body - Google Patents
High-pressure piston type accumulator cylinder body Download PDFInfo
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- CN208845441U CN208845441U CN201821680128.7U CN201821680128U CN208845441U CN 208845441 U CN208845441 U CN 208845441U CN 201821680128 U CN201821680128 U CN 201821680128U CN 208845441 U CN208845441 U CN 208845441U
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- cylinder
- end cap
- side end
- outer cylinder
- piston type
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Abstract
The utility model relates to a kind of high-pressure piston type accumulator cylinder bodies, including cylinder barrel, cylinder barrel top is equipped with gas side end cap, cylinder barrel bottom end is equipped with oily side end cap, cylinder barrel includes inner cylinder tube and outer cylinder, piston is embedded with inside inner cylinder tube, gas side end cap central offers the first air inlet, oily side end cap center offers logical hydraulic fluid port, the second air inlet is offered on gas side end cap between inner cylinder tube and outer cylinder, multiple perpendicular reinforcing rods are uniformly distributed on the outside of outer cylinder, the top and bottom end of perpendicular reinforcing rod pass through fixed link respectively and connect with gas side end cap and oily side end cap, multiple tapped through holes are offered on perpendicular reinforcing rod, its tapped through hole internal screw thread is connected with horizontal screw rod, also pass through bearing in one end of the close outer cylinder of horizontal screw rod and is rotatably connected to pressing plate.By using above structure, the utility model can effectively avoid or mitigate cylinder barrel from generating deformation during long-term work, to greatly improve the service performance and service life of itself.
Description
Technical field
The utility model relates to a kind of high-pressure piston type accumulator cylinder bodies.
Background technique
Accumulator is common a kind of energy conversion device in hydropneumatic system, primarily serves storage energy, absorbs
Fluctuation pressure absorbs the effects of hydraulic or air pressure is impacted, and the pressure to guarantee entire work system is normal.Piston accumulator
Usually using piston by inside cylinder barrel gas and liquid separate, and during the work time, in piston accumulator can
Compressed gas is often in very high interior pressure condition, thus high pressure gas will generate the inner wall of cylinder of piston accumulator
Huge to suppress expansion effect, the problem that this is following, is, for existing piston accumulator cylinder body,
The internal diameter of its cylinder barrel will be made to generate certain deformation (mainly expanding outward) in the long-term course of work, just held in this way
The sealing performance easily led between inner wall of cylinder and piston is largely effected on, to not only affect piston accumulator just
Often work, while being greatly reduced the service life of piston accumulator.
Utility model content
To overcome the above the deficiencies in the prior art, the technical problem to be solved by the present invention is to provide one kind can be effective
It avoids or mitigates cylinder barrel generating deformation during long-term work, to greatly improve the service performance of itself and use the longevity
The high-pressure piston type accumulator cylinder body of life.
The technical solution of the utility model is:
A kind of high-pressure piston type accumulator cylinder body, including cylinder barrel are equipped with gas side end cap on the top of the cylinder barrel, described
The bottom end of cylinder barrel is equipped with oily side end cap, and the cylinder barrel is the double-layer structure for having respectively included inner cylinder tube and outer cylinder, described interior
The inside of cylinder barrel is embedded with piston, and the first air inlet being connected to the inner cylinder tube is offered at the center of the gas side end cap,
The logical hydraulic fluid port being connected to the inner cylinder tube is offered at the center of the oily side end cap, while being located at the inner cylinder tube and outer shell
The second air inlet is also provided on gas side end cap between cylinder；
Multiple perpendicular reinforcing rods being vertically arranged also are uniformly distributed in the outside of the outer cylinder, and the perpendicular reinforcing rod
Top and bottom end pass through fixed link respectively and connect with the gas side end cap and oily side end cap, are also provided on the perpendicular reinforcing rod
Multiple tapped through holes are also threaded with horizontally disposed horizontal screw rod in the tapped through hole of the perpendicular reinforcing rod, while in institute
The one end close to the outer cylinder for stating horizontal screw rod also passes through bearing and is rotatably connected to pressing plate.
Above-mentioned high-pressure piston type accumulator cylinder body, wherein in the vertical lateral wall of the inner cylinder tube and erecting for the outer cylinder
Multiple horizontally disposed horizontal reinforcing rods are also connected between inside side wall.
Above-mentioned high-pressure piston type accumulator cylinder body, wherein being also arranged with multiple steel on the vertical lateral wall of the outer cylinder
Strap.
Above-mentioned high-pressure piston type accumulator cylinder body is parallel to each other wherein being also provided with two on the excircle of the piston
Annular groove, O-ring is also embedded in the annular groove, and be also equipped with sealing ring on the O-ring.
Above-mentioned high-pressure piston type accumulator cylinder body, wherein the pressing plate is arc pressuring plate or V-arrangement pressing plate.
The beneficial effects of the utility model are: the utility model effectively can avoid or subtract by using above structure
Light cylinder barrel generates deformation during long-term work, to greatly improve the service performance and service life of itself.
Detailed description of the invention
Specific embodiment of the present utility model is described in further detail with reference to the accompanying drawing.
Fig. 1 is the structural schematic diagram of high-pressure piston type accumulator cylinder body.
In figure: gas side end cap 1, oily side end cap 2, inner cylinder tube 3, outer cylinder 4, piston 5, the first air inlet 6 lead to hydraulic fluid port 7, the
Two air inlets 8 erect reinforcing rod 9, fixed link 10, horizontal screw rod 11, pressing plate 12, horizontal reinforcing rod 13.
Specific embodiment
As shown in Figure 1, a kind of high-pressure piston type accumulator cylinder body, including cylinder barrel, gas side end cap is equipped on the top of cylinder barrel
1, it is equipped with oily side end cap 2 in the bottom end of cylinder barrel, cylinder barrel is the double-layer structure for having respectively included inner cylinder tube 3 and outer cylinder 4, in inner casing
The inside of cylinder 3 is embedded with piston 5, and in gas side, the center of end cap 1 offers the first air inlet 6 being connected to inner cylinder tube 3, in oily side
The center of end cap 2 offers the logical hydraulic fluid port 7 being connected to inner cylinder tube 3, while in the gas side between inner cylinder tube 3 and outer cylinder 4
The second air inlet 8 is also provided on end cap 1；
Multiple perpendicular reinforcing rods 9 being vertically arranged, and the top of perpendicular reinforcing rod 9 are also uniformly distributed in the outside of outer cylinder 4
And bottom end passes through fixed link 10 respectively and connect with gas side end cap 1 and oily side end cap 2, is also provided with multiple spiral shells on perpendicular reinforcing rod 9
Line through-hole is also threaded with horizontally disposed horizontal screw rod 11 in the tapped through hole of perpendicular reinforcing rod 9, while in horizontal screw rod 11
Also pass through bearing close to one end of outer cylinder 4 and is rotatably connected to pressing plate 12.
Under the above constitution, it is formed between inner cylinder tube 3, the gentle side end cap 1 of piston 5 for accommodating compressible gas (such as nitrogen
Gas) the first gas chamber, form the oil-in chamber for accommodating hydraulic oil, inner cylinder tube between inner cylinder tube 3, piston 5 and oily side end cap 2
Then be further formed the second gas chamber for accommodating gas between 3 and outer cylinder 4, and by be respectively equipped with the first air inlet 6,
Logical hydraulic fluid port 7 and the second air inlet 8 are then convenient for the oil inlet into oil-in chamber and are previously added gas into each gas chamber.And into
One step, the indoor gas of the second air cavity is passed through for carrying out pressure-loaded, and the pressure loaded to the outer surface of inner cylinder tube 3
Size can be according to being passed through the number of gas come flexible modulation, to more easily meet different application demands.
In this way, the inner surface and the outer surface of inner cylinder tube 3 connects with compressible gas in the course of work of accumulator
Touching, and the pressure-loaded by opposite direction, so that the stress of inner cylinder tube 3 can mostly obtain release, thus
Effectively avoiding or significantly reduce inner cylinder tube 3 generates deformation during long-term work, this ensure that the close of accumulator significantly
Sealing property and service life.
Meanwhile by further screwing horizontal screw rod 11, enable pressing plate 12 tightly against outer cylinder 4, thus to outer shell
The outer surface of cylinder 4 carries out pressure constraint, this also ensure that the service performance and service life of outer cylinder 4 significantly.
Preferably for above-mentioned high-pressure piston type accumulator cylinder body, wherein in the vertical lateral wall and outer cylinder of inner cylinder tube 3
Multiple horizontally disposed horizontal reinforcing rods 13 are also connected between 4 vertical inner sidewall, with the further structure for reinforcing inner cylinder tube 3
Intensity and compressive resistance.
Preferably for above-mentioned high-pressure piston type accumulator cylinder body, wherein being also arranged on the vertical lateral wall of outer cylinder 4
There are multiple steel straps, to further enhance constraint and protection to outer cylinder 4.
Preferably for above-mentioned high-pressure piston type accumulator cylinder body, wherein being also provided with two on the excircle of piston 5
The annular groove being parallel to each other also is embedded with O-ring in annular groove, and is also equipped with sealing ring on O-ring.
Preferably for above-mentioned high-pressure piston type accumulator cylinder body, wherein pressing plate 12 is arc pressuring plate or V-arrangement pressing plate.
In conclusion the utility model can be avoided effectively or mitigate cylinder barrel in permanent worker by using above structure
Deformation is generated during making, to greatly improve the service performance and service life of itself.
The utility model preferred embodiment and embodiment are explained in detail above in conjunction with attached drawing, but this
Utility model is not limited to the above embodiment and embodiment, within the knowledge of those skilled in the art, may be used also
With various changes can be made without departing from the concept of the premise utility.
Claims (5)
1. a kind of high-pressure piston type accumulator cylinder body, including cylinder barrel are equipped with gas side end cap on the top of the cylinder barrel, in the cylinder
The bottom end of cylinder is equipped with oily side end cap, it is characterised in that: and the cylinder barrel is the double-layer structure for having respectively included inner cylinder tube and outer cylinder,
It is embedded with piston in the inside of the inner cylinder tube, offers first be connected to the inner cylinder tube at the center of the gas side end cap
Air inlet offers the logical hydraulic fluid port being connected to the inner cylinder tube at the center of the oily side end cap, while being located at the inner casing
The second air inlet is also provided on gas side end cap between cylinder and outer cylinder；
Multiple perpendicular reinforcing rods being vertically arranged, and the top of the perpendicular reinforcing rod are also uniformly distributed in the outside of the outer cylinder
And bottom end passes through fixed link respectively and connect with the gas side end cap and oily side end cap, is also provided on the perpendicular reinforcing rod multiple
Tapped through hole is also threaded with horizontally disposed horizontal screw rod in the tapped through hole of the perpendicular reinforcing rod, while in the cross
One end close to the outer cylinder of screw rod also passes through bearing and is rotatably connected to pressing plate.
2. high-pressure piston type accumulator cylinder body as described in claim 1, it is characterised in that: in the vertical outside of the inner cylinder tube
Multiple horizontally disposed horizontal reinforcing rods are also connected between wall and the vertical inner sidewall of the outer cylinder.
3. high-pressure piston type accumulator cylinder body as described in claim 1, it is characterised in that: in the vertical outside of the outer cylinder
Multiple steel straps are also arranged on wall.
4. high-pressure piston type accumulator cylinder body as described in claim 1, it is characterised in that: on the excircle of the piston also
It opens up there are two the annular groove being parallel to each other, O-ring is also embedded in the annular groove, and on the O-ring
It is also equipped with sealing ring.
5. high-pressure piston type accumulator cylinder body as described in claim 1, it is characterised in that: the pressing plate be arc pressuring plate or
V-arrangement pressing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821680128.7U CN208845441U (en) | 2018-10-17 | 2018-10-17 | High-pressure piston type accumulator cylinder body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821680128.7U CN208845441U (en) | 2018-10-17 | 2018-10-17 | High-pressure piston type accumulator cylinder body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208845441U true CN208845441U (en) | 2019-05-10 |
Family
ID=66375526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821680128.7U Expired - Fee Related CN208845441U (en) | 2018-10-17 | 2018-10-17 | High-pressure piston type accumulator cylinder body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208845441U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111852987A (en) * | 2020-07-31 | 2020-10-30 | 佛山宇仁智能科技有限公司 | High-pressure leakage-proof hydraulic cylinder |
-
2018
- 2018-10-17 CN CN201821680128.7U patent/CN208845441U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111852987A (en) * | 2020-07-31 | 2020-10-30 | 佛山宇仁智能科技有限公司 | High-pressure leakage-proof hydraulic cylinder |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190510 Termination date: 20201017 |