CN208831352U - Low temperature piston accumulator - Google Patents
Low temperature piston accumulator Download PDFInfo
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- CN208831352U CN208831352U CN201821660446.7U CN201821660446U CN208831352U CN 208831352 U CN208831352 U CN 208831352U CN 201821660446 U CN201821660446 U CN 201821660446U CN 208831352 U CN208831352 U CN 208831352U
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- end cap
- gas
- oily
- cylinder barrel
- piston
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Abstract
The utility model discloses low temperature piston accumulators, including cylinder barrel, oily end end cap and retaining ring, the left end of the cylinder barrel is fixed with gas end end cap, and gas side connecting flange is installed on the right side of the end cap of gas end, the gas side connecting flange is internally provided with air inflation nozzle, and charge valve is installed on the left of air inflation nozzle, protective cap is fixed on the outside of the charge valve, and the two sides of charge valve are equipped with hex screw, spring washer is provided on the outside of the hex screw, shell is fixed on the outside of the cylinder barrel, and the inside of cylinder barrel is equipped with piston, oil end end cap is fixed on the right end of cylinder barrel, and oily side connecting flange is installed on the left of the end cap of oily end, oil side connecting flange is internally provided with oilhole, and oil pocket is provided on the left of oilhole, oily side check valve is installed on the right side of the oil pocket, the right side cylinder of the piston is arranged There is oil storage tank.The low temperature piston accumulator, which is provided with two way seal rubber and reversed seal rubber, can enhance the leakproofness of piston.
Description
Technical field
The utility model relates to accumulator technical fields, specially low temperature piston accumulator.
Background technique
Accumulator is indispensable auxiliary device in hydraulic system, can not only play buffering and Noise Reduction, but also can be with
Save a large amount of energy, thus be widely used in hydraulic system, the function of accumulator be broadly divided into storage energy, absorb it is hydraulic
Pulsation and four major class that recover energy are eliminated in impact.Hydraulic device rapidly develops in many fields with advances in technology, therefore stores
Energy device is also gradually taken seriously.
The piston closed end of existing accumulator needs to bear the pressure of working fluid, is used for a long time and is easy leakproofness not
Foot causes liquid nitrogen and gas mutually to leak, and influences the service life of accumulator, and there is also centainly not for the leakproofness of two sides end cap
Foot, for this purpose, it is proposed that low temperature piston accumulator.
Utility model content
The purpose of this utility model is to provide low temperature piston accumulators, to solve storage mentioned above in the background art
The piston closed end of energy device needs to bear the pressure of working fluid, and easy leakproofness deficiency, which is used for a long time, leads to liquid nitrogen and gas
Mutually leakage, influences the service life of accumulator, and there is also the problems of certain deficiency for the leakproofness of two sides end cap.
To achieve the above object, the utility model provides the following technical solutions: low temperature piston accumulator, including cylinder barrel,
Oily end end cap and retaining ring, the left end of the cylinder barrel is fixed with gas end end cap, and is equipped with gas side connection method on the right side of the end cap of gas end
Orchid, the gas side connecting flange is internally provided with air inflation nozzle, and charge valve is equipped on the left of air inflation nozzle, the charge valve
Outside is fixed with protective cap, and the two sides of charge valve are equipped with hex screw, are provided with spring pad on the outside of the hex screw
It encloses, shell is fixed on the outside of the cylinder barrel, and the inside of cylinder barrel is equipped with piston, oil end end cap is fixed on the right side of cylinder barrel
End, and oily side connecting flange is installed on the left of the end cap of oily end, oil side connecting flange is internally provided with oilhole, and oilhole
Left side be provided with oil pocket, oily side check valve is installed, the right side cylinder of the piston is provided with oil storage on the right side of the oil pocket
Slot, and the left side cylinder of piston is provided with air reservoir, air cavity is equipped on the left of the air reservoir, and be provided on the left of air cavity
Gas side check valve, the retaining ring are fixed on the junction of gas end end cap and shell, and sealing ring is equipped on the right side of retaining ring, described
The junction of piston and shell is fixed with two way seal rubber, and reversed seal rubber is equipped on the right side of two way seal rubber.
Preferably, the charge valve is connected by air inflation nozzle with the inside of air cavity, and about cylinder between air cavity and oil pocket
The vertical centerline of cylinder is symmetrical.
Preferably, the protective cap is symmetrical about the center line of charge valve, and protective cap passes through hex screw and gas end
Detachable structure is constituted between end cap.
Preferably, the symmetrical centre of the oily end end cap is overlapped with the symmetrical centre of gas end end cap, and oily end end cap and gas
Holding is in shape structure parallel to each other between end cap.
Preferably, sealing ring shape structure in a ring, and the lateral surface of the sealing ring lateral surface with gas end end cap respectively
It is fitted closely with the medial surface of shell.
Compared with prior art, the utility model has the beneficial effects that the low temperature piston accumulator be provided with it is two-way close
Envelope rubber and reversed seal rubber can enhance the leakproofness of piston, to gas and liquid nitrogen be separated, to improve piston
Service life, the gentle end end cap of gas side connecting flange, oily side connecting flange and oily end end cap are easily installed in the two sides of cylinder barrel；
Charge valve and air inflation nozzle are convenient for the inner inflatable to air cavity, and protective cap can protect charge valve, hexagonal spiral shell
Nail removes and installs convenient for protective cap, and oilhole is convenient for oiling inside oil pocket, and liquid nitrogen under cryogenic can be steady in a long-term
Normal use, oily side check valve and gas side check valve, which can be avoided, only allows liquid nitrogen and a gas one-way flow, both avoid to
Outside leakage, can cooperate between air cavity and oil pocket convenient for the movement of piston；
Shell can play the role of protection to cylinder barrel, and have the function of thermal insulation, and piston can move under the action of pressure
It is dynamic to realize energy storage, liquid nitrogen and gas can be respectively enterd inside the oil storage tank and air reservoir on piston, and pressurizing urges are carried out to piston
The movement of piston, retaining ring and sealing ring can play effective sealing function to the installation of gas end end cap and oily end end cap.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is partial enlargement structural representation at the utility model A；
Fig. 3 is partial enlargement structural representation at the utility model B；
Fig. 4 is partial enlargement structural representation at the utility model C.
In figure: 1, cylinder barrel；2, gas end end cap；3, gas side connecting flange；4, air inflation nozzle；5, charge valve；6, protective cap；7, six
Angle screw；8, spring washer；9, shell；10, piston；11, oily end end cap；12, oily side connecting flange；13, oilhole；14, oil pocket；
15, oily side check valve；16, oil storage tank；17, air reservoir；18, air cavity；19, gas side check valve；20, retaining ring；21, sealing ring；22,
Two way seal rubber；23, reversed seal rubber.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-4 is please referred to, the utility model provides technical solution: low temperature piston accumulator, including cylinder barrel 1, gas end end
Lid 2, gas side connecting flange 3, air inflation nozzle 4, charge valve 5, protective cap 6, hex screw 7, spring washer 8, shell 9, piston 10, oil
Hold end cap 11, oily side connecting flange 12, oilhole 13, oil pocket 14, oily side check valve 15, oil storage tank 16, air reservoir 17, air cavity 18,
Gas side check valve 19, retaining ring 20, sealing ring 21, two way seal rubber 22 and reversed seal rubber 23, the left end of cylinder barrel 1 is fixed with
Gas end end cap 2, and the right side of gas end end cap 2 is equipped with gas side connecting flange 3, gas side connecting flange 3 is internally provided with inflation
Mouth 4, and the left side of air inflation nozzle 4 is equipped with charge valve 5, charge valve 5 is connected by air inflation nozzle 4 with the inside of air cavity 18, and gas
Vertical centerline between chamber 18 and oil pocket 14 about cylinder barrel 1 is symmetrical, and charge valve 5 passes through the inside of air inflation nozzle 4 and air cavity 18
It is connected convenient for passing through the inner inflatable of charge valve 5 and air inflation nozzle 4 to air cavity 18, about cylinder barrel 1 between air cavity 18 and oil pocket 14
Vertical centerline symmetrical to cooperate between air cavity 18 and oil pocket 14 convenient for the movement of piston 10；
The outside of charge valve 5 is fixed with protective cap 6, and the two sides of charge valve 5 are equipped with hex screw 7, protective cap 6 about
The center line of charge valve 5 is symmetrical, and protective cap 6 is protected by constituting detachable structure between hex screw 7 and gas end end cap 2
Helmet 6 about charge valve 5 center line it is symmetrical protective cap 6 protects charge valve 5, protective cap 6 pass through six
Detachable structure removing and installing convenient for protective cap 6 is constituted between angle screw 7 and gas end end cap 2, the outside of hex screw 7 is set
It is equipped with spring washer 8；
The outside of cylinder barrel 1 is fixed with shell 9, and the inside of cylinder barrel 1 is equipped with piston 10, and oily end end cap 11 is fixed on cylinder barrel
1 right end, and the left side of oily end end cap 11 is equipped with oily side connecting flange 12, the symmetrical centre and gas end end cap of oily end end cap 11
2 symmetrical centre is overlapped, and is in shape structure parallel to each other between oily end end cap 11 and gas end end cap 2, oily end end cap 11 it is symmetrical
Center is overlapped with the symmetrical centre of gas end end cap 2 enables the symmetrical centre of oily end end cap 11 with gas end end cap 2 to cylinder barrel 1
Both ends are closed, and make oily end end cap 11 and gas end end in shape structure parallel to each other between oily end end cap 11 and gas end end cap 2
The installation of lid 2 is stablized, and oily side connecting flange 12 is internally provided with oilhole 13, and the left side of oilhole 13 is provided with oil pocket 14, oil pocket
14 right side is equipped with oily side check valve 15, and the right side cylinder of piston 10 is provided with oil storage tank 16, and the left side cylinder of piston 10
It is provided with air reservoir 17, the left side of air reservoir 17 is equipped with air cavity 18, and the left side of air cavity 18 is provided with gas side check valve 19；
Retaining ring 20 is fixed on the junction of gas end end cap 2 Yu shell 9, and the right side of retaining ring 20 is equipped with sealing ring 21, close
The shape structure in a ring of seal 21, and the lateral surface of sealing ring 21 is tight with the medial surface of the lateral surface of gas end end cap 2 and shell 9 respectively
Closely connected conjunction, shape structure enables to sealing ring 21 in the groove of 2 two sides of gas end end cap in tightening to sealing ring 21 in a ring
State to be bonded increasing friction force with outside, the lateral surface of sealing ring 21 respectively with the lateral surface of gas end end cap 2 and shell 9
Medial surface, which fits closely, can play effective sealing function, and the junction of piston 10 and shell 9 is fixed with two way seal rubber
22, the right side of two way seal rubber 22 is equipped with reversed seal rubber 23.
Working principle: for this kind of low temperature piston accumulator first by gas side connecting flange 3, gas end end cap 2 and oil
Side connecting flange 12, oily end end cap 11 are mounted on the two sides of cylinder barrel 1, and carry out density envelope by retaining ring 20, sealing ring 21, then
By charge valve 5 and air inflation nozzle 4 to the inner inflatable of air cavity 18, then again by oilhole 13 to injecting liquid nitrogen inside oil pocket 14,
It is protected in the outside that protective cap 6 is fixed on charge valve 5 by hex screw 7 again, spring washer 8 can increase hexagonal
7 mounting stability of screw and leakproofness when to filling liquid nitrogen inside oil pocket 14 or work as liquid nitrogen vapour during use
After change, pressure is increased in oil pocket 14, and liquid nitrogen enters extrusion piston 10 in the oil storage tank 16 on 10 right side of piston, and piston 10 is under pressure
It can be moved to the left, correspondingly, the air pressure inside air cavity 18 can be promoted to increase after liquid nitrogen liquefaction, gas enters 10 left side of piston
Air reservoir 17 in extrusion piston 10, piston 10, which is under pressure, to move right, so that the process of accumulation of energy is realized, in this mistake
Cheng Zhong, oily side check valve 15 and gas side check valve 19 can be avoided liquid nitrogen and gas leaks outward, 22 He of two way seal rubber
Reversed seal rubber 23 can enhance the leakproofness of piston 10, so that gas and liquid nitrogen be separated, complete entire low temperature like this
The use process of piston accumulator.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. low temperature piston accumulator, including cylinder barrel (1), oily end end cap (11) and retaining ring (20), it is characterised in that: the cylinder barrel
(1) left end is fixed with gas end end cap (2), and gas side connecting flange (3), the gas side are equipped on the right side of gas end end cap (2)
Connecting flange (3) is internally provided with air inflation nozzle (4), and charge valve (5), the charge valve are equipped on the left of air inflation nozzle (4)
(5) it is fixed on the outside of protective cap (6), and the two sides of charge valve (5) are equipped with hex screw (7), the hex screw (7)
Outside is provided with spring washer (8), is fixed with shell (9) on the outside of the cylinder barrel (1), and the inside of cylinder barrel (1) is equipped with work
It fills in (10), the oil end end cap (11) is fixed on the right end of cylinder barrel (1), and oily side connection is equipped on the left of oily end end cap (11)
Flange (12), oil side connecting flange (12) is internally provided with oilhole (13), and is provided with oil pocket on the left of oilhole (13)
(14), oily side check valve (15) is installed, the right side cylinder of the piston (10) is provided with oil storage on the right side of the oil pocket (14)
Slot (16), and the left side cylinder of piston (10) is provided with air reservoir (17), is equipped with air cavity on the left of the air reservoir (17)
(18), it and on the left of air cavity (18) is provided with gas side check valve (19), the retaining ring (20) is fixed on gas end end cap (2) and shell
(9) junction, and sealing ring (21) are installed on the right side of retaining ring (20), the junction of the piston (10) and shell (9) is solid
Surely have two way seal rubber (22), and reversed seal rubber (23) are installed on the right side of two way seal rubber (22).
2. low temperature piston accumulator according to claim 1, it is characterised in that: the charge valve (5) passes through air inflation nozzle
(4) it is connected with the inside of air cavity (18), and the vertical centerline between air cavity (18) and oil pocket (14) about cylinder barrel (1) is opposite
Claim.
3. low temperature piston accumulator according to claim 1, it is characterised in that: the protective cap (6) is about charge valve
(5) center line is symmetrical, and protective cap (6) is by constituting detachable structure between hex screw (7) and gas end end cap (2).
4. low temperature piston accumulator according to claim 1, it is characterised in that: it is described oil end end cap (11) it is symmetrical in
The heart is overlapped with the symmetrical centre of gas end end cap (2), and is in shape knot parallel to each other between oily end end cap (11) and gas end end cap (2)
Structure.
5. low temperature piston accumulator according to claim 1, it is characterised in that: the sealing ring (21) shape knot in a ring
Structure, and medial surface of the lateral surface of sealing ring (21) respectively with the lateral surface of gas end end cap (2) and shell (9) fits closely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821660446.7U CN208831352U (en) | 2018-10-14 | 2018-10-14 | Low temperature piston accumulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821660446.7U CN208831352U (en) | 2018-10-14 | 2018-10-14 | Low temperature piston accumulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208831352U true CN208831352U (en) | 2019-05-07 |
Family
ID=66318184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821660446.7U Active CN208831352U (en) | 2018-10-14 | 2018-10-14 | Low temperature piston accumulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208831352U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111043087A (en) * | 2019-12-12 | 2020-04-21 | 四川凌峰航空液压机械有限公司 | Open piston for accumulator |
| CN113217482A (en) * | 2021-04-09 | 2021-08-06 | 燕山大学 | Piston type energy accumulator with built-in one-way valve |
-
2018
- 2018-10-14 CN CN201821660446.7U patent/CN208831352U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111043087A (en) * | 2019-12-12 | 2020-04-21 | 四川凌峰航空液压机械有限公司 | Open piston for accumulator |
| CN111043087B (en) * | 2019-12-12 | 2021-07-06 | 四川凌峰航空液压机械有限公司 | Open piston for accumulator |
| CN113217482A (en) * | 2021-04-09 | 2021-08-06 | 燕山大学 | Piston type energy accumulator with built-in one-way valve |
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