CN208364503U - A kind of piston accumulator - Google Patents
A kind of piston accumulator Download PDFInfo
- Publication number
- CN208364503U CN208364503U CN201820880194.2U CN201820880194U CN208364503U CN 208364503 U CN208364503 U CN 208364503U CN 201820880194 U CN201820880194 U CN 201820880194U CN 208364503 U CN208364503 U CN 208364503U
- Authority
- CN
- China
- Prior art keywords
- cap
- end cap
- gas
- shell
- oily
- 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.)
- Expired - Fee Related
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- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The utility model discloses a kind of piston accumulators, belong to hydraulic pressure auxiliary element technical field.The housing forward end is provided with gas end end cap, housing rear end is provided with oily end end cap, and gas end end cap and oily end end cap pass through locknut and connect with shell, the housing central section is provided with piston, and piston is located in gas end end cap and the closed cavity of oily end end cap, the gas end end cap front center is provided with heavy charge valve, and protective cap is provided on heavy charge valve, the protective cap is fixed by hexagon socket cap head screw and gas end end cap, gas end end cap and oily end end cap pass through locknut and connect with shell, and split type structure design is all made of between gas end end cap and oily end end cap and locknut, so that front and rear cover easily assembles, to reduce labor intensity, improve assembling quality, simultaneously between end cap and shell, multi-layer sealing structure is equipped between piston and shell, sealing effect is good, avoid oil leak, gas leak phenomenon.
Description
Technical field
The utility model relates to a kind of piston accumulators, belong to hydraulic pressure auxiliary element technical field.
Background technique
Accumulator is indispensable auxiliary device in hydraulic system, can not only play buffering and Noise Reduction, but also can be with
The a large amount of energy is saved, thus is widely used in hydraulic system.It is divided according to accumulator structure, accumulator common at present produces
Product mainly have bellows and two kinds of piston type, and wherein bladder type hydropneumatic accumulator cannot bear frequent pressure oscillation and biggish load, no
Leather bag break accident is then easily caused, piston accumulator then compensates for the defect of bladder type hydropneumatic accumulator well.
And existing piston accumulator, there are some defects, the end cap of piston accumulator is an integral structure, in this way
Structure to will cause end cap volume big, be not easy to dismantle, while a kind of sealing element being used only inside existing accumulator and seals, reach
Less than better seal effect.
Utility model content
In view of the above-mentioned problems, the technical problem to be solved by the present invention is to provide a kind of piston accumulators.
The piston accumulator of the utility model, it includes protective cap, heavy charge valve, single coil spring lock washer light type, interior hexagonal
Fillister head screw, gas end end cap, locknut, shell, piston, support ring, two way seal, one-way sealing, O-ring seal, retaining ring and
Oily end end cap, the housing forward end are provided with gas end end cap, and housing rear end is provided with oily end end cap, and gas end end cap and oily end
End cap passes through locknut and connect with shell, and the housing central section is provided with piston, and piston is located at gas end end cap and oily end end
It covers in closed cavity, the gas end end cap front center is provided with heavy charge valve, and is provided with guarantor on heavy charge valve
Helmet, the protective cap is fixed by hexagon socket cap head screw and gas end end cap, and hexagon socket cap head screw and protection
Cap junction is provided with single coil spring lock washer light type, the gas end end cap and oily end end cap and housing junction is provided with O-shaped sealing
Circle and retaining ring, the piston and housing junction are provided with support ring, two way seal and one-way sealing.
Preferably, being all made of split type structure design between the gas end end cap and oily end end cap and locknut.
Preferably, the retaining ring is SB1 type, and retaining ring is made of polytetrafluoroethylene (PTFE) material.
The utility model has the beneficial effects that its structure is simple, rationally, gas end end cap and oily end end cap pass through lock for design
Mother connect with shell, and split type structure design is all made of between gas end end cap and oily end end cap and locknut, so that front and rear cover
Easily assembly, to reduce labor intensity, improves assembling quality, while setting between end cap and shell, between piston and shell
There is multi-layer sealing structure, sealing effect is good, avoids oil leak, gas leak phenomenon.
Detailed description of the invention
The present invention is described in detail by the following detailed description and drawings for ease of explanation,.
Fig. 1 is the overall structure diagram of the utility model;
Fig. 2 is enlarged structure schematic diagram at a in Fig. 1;
Fig. 3 is enlarged structure schematic diagram at b in Fig. 1;
Fig. 4 is enlarged structure schematic diagram at c in Fig. 1.
Appended drawing reference: protective cap 1, heavy charge valve 2, single coil spring lock washer light type 3, hexagon socket cap head screw 4, gas end end cap
5, locknut 6, shell 7, piston 8, support ring 9, two way seal 10, one-way sealing 11, O-ring seal 12, retaining ring 13, oily end end cap
14。
Specific embodiment
As Figure 1-Figure 4, present embodiment uses following technical scheme: it includes protective cap 1, heavy charge valve
2, single coil spring lock washer light type 3, hexagon socket cap head screw 4, gas end end cap 5, locknut 6, shell 7, piston 8, support ring 9, two-way close
Envelope 10, one-way sealing 11, O-ring seal 12, retaining ring 13 and oily end end cap 14,7 front end of shell is provided with gas end end cap
5,7 rear end of shell is provided with oily end end cap 14, and gas end end cap 5 and oily end end cap 14 are connect by locknut 6 with shell 7, institute
It is all made of split type structure design between the gas end end cap 5 stated and oily end end cap 14 and locknut 6 and improves assembly convenient for assembly
Quality is provided with piston 8 in the middle part of the shell 7, and piston 8 is located in gas end end cap 5 and the closed cavity of oily end end cap 14,
5 front center of gas end end cap is provided with heavy charge valve 2, and is provided with protective cap 1 on heavy charge valve 2, described
Protective cap 1 is fixed by hexagon socket cap head screw 4 and gas end end cap 5, and hexagon socket cap head screw 4 is connect with protective cap 1
Place is provided with single coil spring lock washer light type 3, and the gas end end cap 5 and oily end end cap 14 are provided with O-ring seal with 7 junction of shell
12 and retaining ring 13, the retaining ring 13 is SB1 type, and retaining ring 13 is made of polytetrafluoroethylene (PTFE) material, the piston 8 and shell
7 junction of body is provided with support ring 9, two way seal 10 and one-way sealing 11, and using multi-layer sealing structure, sealing effect is good, keeps away
Oil leak, gas leak phenomenon are exempted from.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (3)
1. a kind of piston accumulator, it is characterised in that: it includes protective cap (1), heavy charge valve (2), single coil spring lock washer light type
(3), hexagon socket cap head screw (4), gas end end cap (5), locknut (6), shell (7), piston (8), support ring (9), two-way close
(10), one-way sealing (11), O-ring seal (12), retaining ring (13) and oily end end cap (14) are sealed, the shell (7) front end is set
It is equipped with gas end end cap (5), shell (7) rear end is provided with oily end end cap (14), and gas end end cap (5) and oily end end cap (14) are logical
It crosses locknut (6) to connect with shell (7), be provided with piston (8) in the middle part of the shell (7), and piston (8) is located at gas end end cap
(5) and in oily end end cap (14) closed cavity, described gas end end cap (5) front center is provided with heavy charge valve (2), and
It is provided with protective cap (1) on heavy charge valve (2), the protective cap (1) passes through hexagon socket cap head screw (4) and gas end end
It is fixed to cover (5), and hexagon socket cap head screw (4) and protective cap (1) junction are provided with single coil spring lock washer light type (3), it is described
Gas end end cap (5) and oily end end cap (14) and shell (7) junction are provided with O-ring seal (12) and retaining ring (13), described
Piston (8) and shell (7) junction are provided with support ring (9), two way seal (10) and one-way sealing (11).
2. a kind of piston accumulator according to claim 1, it is characterised in that: the gas end end cap (5) and oily end
Split type structure design is all made of between end cap (14) and locknut (6).
3. a kind of piston accumulator according to claim 1, it is characterised in that: the retaining ring (13) is SB1 type, and
Retaining ring (13) is made of polytetrafluoroethylene (PTFE) material.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820880194.2U CN208364503U (en) | 2018-06-08 | 2018-06-08 | A kind of piston accumulator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820880194.2U CN208364503U (en) | 2018-06-08 | 2018-06-08 | A kind of piston accumulator |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208364503U true CN208364503U (en) | 2019-01-11 |
Family
ID=64927943
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201820880194.2U Expired - Fee Related CN208364503U (en) | 2018-06-08 | 2018-06-08 | A kind of piston accumulator |
Country Status (1)
Country | Link |
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CN (1) | CN208364503U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110273866A (en) * | 2019-07-12 | 2019-09-24 | 南通翔骜液压润滑设备有限公司 | Wind piston accumulator |
-
2018
- 2018-06-08 CN CN201820880194.2U patent/CN208364503U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110273866A (en) * | 2019-07-12 | 2019-09-24 | 南通翔骜液压润滑设备有限公司 | Wind piston accumulator |
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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: 20190111 Termination date: 20200608 |