CN206468975U - A kind of auto-pushing type metallic bellow expander - Google Patents
A kind of auto-pushing type metallic bellow expander Download PDFInfo
- Publication number
- CN206468975U CN206468975U CN201720165890.0U CN201720165890U CN206468975U CN 206468975 U CN206468975 U CN 206468975U CN 201720165890 U CN201720165890 U CN 201720165890U CN 206468975 U CN206468975 U CN 206468975U
- Authority
- CN
- China
- Prior art keywords
- guide shell
- valve
- bellows
- flange
- certainly
- 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
Links
Landscapes
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The utility model discloses a kind of auto-pushing type metallic bellow expander, including flange, bellows, otic placode, function pipe and guide shell are let out certainly；The flange includes first flange and second flange；The bellows includes the first bellows and the second bellows；The otic placode includes the first otic placode and the second otic placode, and first otic placode is used to connect first flange and the first bellows, and second otic placode is used to connect second flange and the second bellows；It is described to be connected with the first bellows, the second bellows from letting out function pipe, certainly the function pipe of letting out lets out valve certainly including body, first from valve, liquid storage cylinder and second is let out, described first is tubular structure from valve is let out, inside is provided with flow-guiding channel, and the flow-guiding channel forms continuous medium channel with guide shell passage.The utility model allows metallic bellow expander to be crossed when pressure medium is excessive from function dissolution medium is let out, reduces pressure by being installed in metallic bellow expander from function pipe is let out.
Description
Technical field
The utility model is related to a kind of metallic bellow expander, particularly a kind of auto-pushing type metallic bellow expander.
Background technology
Metallic bellow expander is as a kind of pipeline compensator, with excellent performance, is widely used in oil, electricity
The industrial circles such as power, chemical industry.To improve compensation of pipeline ability, metallic bellow expander generally uses walled metallic structure, but
Walled metallic structure, which can be reduced accordingly, makes its bearing capacity, and metallic bellow expander can not be certainly in long-term conveying high-pressure medium
Dynamic pressure release, easy aging deformation influences the safety in utilization of metal expander, and the walled metallic structure of metal expander is being conveyed
It is easily damaged during with Korrosionsmedium, metal expander service life can be further reduced, increases potential safety hazard.
Utility model content
The utility model provides a kind of auto-pushing type metallic bellow expander, at least to solve metal wave in the prior art
Line tube swelling device can not releasing pressure automatically the problem of.
The utility model provides a kind of auto-pushing type metallic bellow expander, including flange, bellows, otic placode, lets out certainly
Function pipe and guide shell；The flange includes first flange and second flange；The bellows includes the first bellows and second
Bellows；The otic placode includes the first otic placode and the second otic placode, and first otic placode is used to connect first flange and the first ripple
Pipe, second otic placode is used to connect second flange and the second bellows；It is described to let out function pipe and the first bellows, the second ripple certainly
Line pipe is connected, and described to let out function pipe certainly including body, first from valve, liquid storage cylinder and second is let out from valve is let out, described first lets out valve certainly
In body, described first is tubular structure from valve is let out, and inside is provided with flow-guiding channel, the flow-guiding channel and guide shell
Passage forms continuous medium channel, and the liquid storage cylinder is arranged on body side, and described second is arranged on liquid storage cylinder from valve is let out；
The guide shell is enclosed in bellows, and the guide shell, which includes the first guide shell, the second guide shell, the 3rd guide shell and the 4th, leads
Flow cartridge, described first guide shell one end is connected with first flange, and the first guide shell other end and second guide shell one end exist
Concentric gap fit inside metallic bellow expander, the second guide shell other end is let out function pipe with oneself and is connected, and described the
Four guide shell one end are connected with second flange, and the 4th guide shell other end and the 3rd guide shell one end are swollen in metal bellows
Concentric gap fit inside swollen device, the 3rd guide shell other end is connected with letting out function pipe certainly.
Further, described first includes the first spring, second spring, standing valve, guiding valve and sleeve pipe from valve is let out, described solid
Valve is determined for tubular structure, one end is fixedly connected with letting out function pipe body certainly, the other end is the annular end that outer rim is protruded；The guiding valve
For tubular structure, one end is connected by second spring with letting out function pipe body certainly, and the other end is the annular end that outer rim is protruded；It is described
Sleeve pipe is tubular structure, and one end is the annular end that inner edge is shunk, the close fit of annular end protruded with standing valve outer rim, the other end
The annular end protruded with guiding valve outer rim is contacted, and the annular end that described sleeve pipe inner edge is shunk is by the first spring with letting out function pipe pipe certainly
Body is connected.
Further, described second includes drainage plug and the 3rd spring from valve is let out, and the 3rd spring is used to connect drainage
Plug and liquid storage cylinder, are provided with sealing ring between the drainage plug and liquid storage cylinder.
Further, first guide shell and the second guide shell concentric gap fit end are flaring structure, described first
Space is provided with sealing ring between guide shell and the second guide shell.
Further, the 4th guide shell and the 3rd guide shell concentric gap fit end are flaring structure, the described 4th
Space is provided with sealing ring between guide shell and the 3rd guide shell.
The utility model compared with prior art, is installed from function pipe is let out, when medium pressure in metallic bellow expander
Power is excessive, lets out valve release certain media certainly using let out certainly in function pipe first, reduces metallic bellow expander pressure,
The medium of release is stored using liquid storage cylinder, when liquid storage cylinder intermediary quality is excessive, valve is let out by medium in liquid storage cylinder certainly using second
Release, it is ensured that let out the decompression function of function pipe certainly.
Brief description of the drawings
Fig. 1 is the utility model embodiment schematic diagram；
Fig. 2 is the utility model embodiment enlarged diagram.
Embodiment
In order that those skilled in the art more fully understand the utility model scheme, it is real below in conjunction with the utility model
The accompanying drawing in example is applied, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only the embodiment of the utility model part, rather than whole embodiments.Based on the reality in the utility model
Example is applied, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made all should
When the scope for belonging to the utility model protection.
It should be noted that term " first " in specification and claims of the present utility model and above-mentioned accompanying drawing,
" second " etc. is for distinguishing similar object, without for describing specific order or precedence.
A kind of auto-pushing type metallic bellow expander provided according to the utility model, as depicted in figs. 1 and 2, including method
Orchid, bellows, otic placode, function pipe and guide shell are let out certainly；The flange includes first flange 1 and second flange 2；The bellows
Including the first bellows 5 and the second bellows 6；The otic placode includes the first otic placode 3 and the second otic placode 4, and first otic placode 3 is used
In the connection bellows 5 of first flange 1 and first, second otic placode 4 is used to connect the bellows 6 of second flange 2 and second；It is described
Be connected from function pipe is let out with the first bellows 5, the second bellows 6, it is described from let out function pipe including body 22, first from let out valve,
Liquid storage cylinder 19 and second is from valve is let out, and described first from valve is let out in body, and described first is tubular structure from valve is let out, internal
Provided with flow-guiding channel, the flow-guiding channel is with guide shell inner channel-shaped into continuous medium channel, and the liquid storage cylinder 19 is arranged on
Body side, described second is arranged on liquid storage cylinder 19 from valve is let out；The guide shell is enclosed in bellows, and the guide shell includes
First guide shell 7, the second guide shell 8, the 3rd guide shell 9 and the 4th guide shell 10, described one end of first guide shell 7 and the first method
Orchid 1 is connected, the other end of the first guide shell 7 and the second guide shell 8 one end concentric gap inside metallic bellow expander
Fit, the other end of the second guide shell 8 is connected with letting out function pipe certainly, described one end of 4th guide shell 10 and the phase of second flange 2
Even, the other end of the 4th guide shell 10 and the one end of the 3rd guide shell 9 the concentric gap fit inside metallic bellow expander,
The other end of 3rd guide shell 9 is connected with letting out function pipe certainly.
Wherein, first is closure state under normal pressure from valve is let out, and first lets out the flow-guiding channel and water conservancy diversion inside valve certainly
Cylinder inner channel-shaped is into continuous medium channel, and medium can freely be conveyed in passage.When pressure medium is excessive, first lets out valve certainly
Automatically turn on, medium flows into pressure medium in liquid storage cylinder 19, reduction passage.When medium is excessive in liquid storage cylinder 19, second is utilized
Medium in liquid storage cylinder is discharged from valve is let out, pressure medium in reduction liquid storage cylinder.
The utility model embodiment from letting out function pipe, sets double from discharge valve structure by application in function pipe is let out certainly,
When pressure is excessive, using it is double from discharge valve structure successively in metallic bellow expander medium carry out pressure release, reduce metal
Bellow expander pressure, improves the safety in utilization of metallic bellow expander.And it is double from discharge valve structure it is single from
Let out and remain to be undertaken from function is let out by another valve of letting out certainly when valve is damaged, improve from the service life for letting out function pipe.
Alternatively, described first includes the first spring 18, second spring 11, standing valve 17, guiding valve 21 and sleeve pipe from valve is let out
20, the standing valve 17 is tubular structure, and one end is fixedly connected with letting out function pipe body 22 certainly, and the other end is the ring that outer rim is protruded
Shape end；The guiding valve 21 is tubular structure, and one end is connected by second spring 11 with letting out function pipe body 22 certainly, and the other end is outer
The annular end that edge is protruded；Described sleeve pipe 20 is tubular structure, and one end is the annular end that inner edge is shunk, and is protruded with the outer rim of standing valve 17
The close fit of annular end, the annular end that the other end is protruded with the outer rim of guiding valve 21 contacts, the annular that the inner edge of described sleeve pipe 20 is shunk
End is connected by the first spring 18 with letting out function pipe body 22 certainly.
Wherein, standing valve 17, guiding valve 21 and each face of sleeve pipe 20 are in close contact under normal pressure, form close passage, with
Guide shell inner channel-shaped can freely be conveyed into continuous medium channel, medium in passage.When channel inner pressure is excessive, guiding valve
21 overcome the resistance of second spring 11 to be compressed sleeve pipe 20 under pressure, and sleeve pipe 20 is under the pressure effect of guiding valve 21
The resistance of the first spring 18 is overcome to enter line slip, contact surface is separated between standing valve 17 and sleeve pipe 20, first opens from valve is let out, medium
Liquid storage cylinder 19 is flowed into by the first spring of space 18 between standing valve 17 and sleeve pipe 20, so as to reduce metallic bellow expander
Suffered pressure medium.When channel inner pressure reduces, sleeve pipe 20 acts on lower slider, standing valve 17 and sleeve pipe 20 in the first spring 18
Between contact surface tight closure, first from let out valve closing.
When pressure medium declines in passage, the thrust that pressure medium is formed to guiding valve 21 in liquid storage cylinder 19 is enough to overcome guiding valve
During the pressure of 21 pairs of sleeve pipes 20, medium promotes guiding valve 21 in liquid storage cylinder 19, separates contact surface between guiding valve 21 and sleeve pipe 20, the
One from valve unlatching is let out, and medium flows into medium channel, medium suffered by reduction liquid storage cylinder 19 by space between guiding valve 21 and sleeve pipe 20
Pressure.
When pressure medium is larger in medium in passage and liquid storage cylinder 19, second lets out valve medium pressure in liquid storage cylinder 19 certainly
Power effect is lower to open, dissolution medium, pressure medium in reduction liquid storage cylinder 19, and then reduces Jie suffered by metallic bellow expander
Matter pressure.
First from combining structure of the valve using standing valve 17, guiding valve 21 and sleeve pipe 20 is let out in the utility model embodiment, is had
There is double-side opening function, first can be opened from valve is let out in closure by channel inner pressure, medium is flowed into liquid storage cylinder by passage
19, also medium can be made by the flow channel of liquid storage cylinder 19 by opened by pressure in liquid storage cylinder 19.First lets out the double-side opening work(of valve certainly
Medium two-way flow between passage and liquid storage cylinder 19 can be allow, the inner product liquid measure of liquid storage cylinder 19 is reduced, and then reduce and need to pass through
Second from the amount of liquid for letting out valve discharge, reduces because metallic bellow expander lets out the dielectric loss that functional bands are come certainly.
Alternatively, as shown in Fig. 2 described second includes the spring 13 of drainage plug 12 and the 3rd, the 3rd spring from valve is let out
13 are used to connect drainage plug 12 and liquid storage cylinder 19, and sealing ring 14 is provided between the drainage plug 12 and liquid storage cylinder 19.
Wherein, sealing ring 14 be arranged on the liquid outlet of drainage plug 12 on the outside of, make sealing ring 14 tightly packed drainage plug 12 with
Between the wall of liquid storage cylinder 19, lifting second lets out valve sealing certainly.
Alternatively, the concentric gap fit end of 7 and second guide shell of the first guide shell 8 is flaring structure, described first
Space is provided with sealing ring 15 between the guide shell 8 of guide shell 7 and second.
Wherein, there is space, sealing ring 15 is enclosed on first between the flaring structure end of the first guide shell 7 and the second guide shell 8
The outside of guide shell 7, water conservancy diversion barrel structure is increased while ensureing to have sliding between the first guide shell 7 and the second guide shell 8
Sealing.
Bellows ensures excellent compensation ability frequently with metal thin-wall structure, but bellows is not corrosion-resistant in itself, and
Pumped (conveying) medium often has corrosivity, the metal thin-wall structure of destructible bellows in guide shell.The utility model embodiment passes through
Using sealing ring 15, the sealing between the first guide shell 7 and the second guide shell 8 is improved, bellows is reduced and is directly connect with medium
Tactile possibility, it is to avoid bellows is extended the service life of bellows by dielectric corrosion.
Alternatively, the 4th guide shell 10 and the 3rd guide shell 9 the concentric gap fit end is flaring structure, the described 4th
Space is provided with sealing ring 16 between the guide shell 9 of guide shell 10 and the 3rd.
Wherein, there is space, sealing ring 16 is enclosed on first between the flaring structure end of the 4th guide shell 10 and the 3rd guide shell 9
On the outside of guide shell, water conservancy diversion barrel structure is increased while ensureing that there is sliding between the 4th guide shell 10 and the 3rd guide shell 9
Sealing.
Bellows ensures excellent compensation ability frequently with metal thin-wall structure, but bellows is not corrosion-resistant in itself, and
Pumped (conveying) medium often has corrosivity, the metal thin-wall structure of destructible bellows in guide shell.The utility model embodiment passes through
Using sealing ring 16, the sealing between the 4th guide shell 10 and the 3rd guide shell 9 is improved, bellows is reduced and is directly connect with medium
Tactile possibility, it is to avoid bellows is extended the service life of bellows by dielectric corrosion.
Claims (5)
1. a kind of auto-pushing type metallic bellow expander, it is characterised in that including：
Flange, the flange includes first flange and second flange；
Bellows, the bellows includes the first bellows and the second bellows；
Otic placode, the otic placode includes the first otic placode and the second otic placode, and first otic placode is used to connect first flange and first wave
Line pipe, second otic placode is used to connect second flange and the second bellows；
It is described to be connected with the first bellows, the second bellows from letting out function pipe from letting out function pipe, it is described to include managing from letting out function pipe
Body, first are from valve, liquid storage cylinder and second is let out from valve is let out, and described first from valve is let out in body, and described first lets out valve certainly is
Tubular structure, inside is provided with flow-guiding channel, and the flow-guiding channel and guide shell inner channel-shaped are into continuous medium channel, the storage
Fluid cylinder is arranged on body side, and described second is arranged on liquid storage cylinder from valve is let out；
Guide shell, the guide shell is enclosed in bellows, and the guide shell is led including the first guide shell, the second guide shell, the 3rd
Flow cartridge and the 4th guide shell, described first guide shell one end are connected with first flange, the first guide shell other end and second
Guide shell one end concentric gap fit inside metallic bellow expander, the second guide shell other end with letting out function pipe certainly
It is connected, described 4th guide shell one end is connected with second flange, and the 4th guide shell other end and the 3rd guide shell one end exist
Concentric gap fit inside metallic bellow expander, the 3rd guide shell other end is connected with letting out function pipe certainly.
2. a kind of auto-pushing type metallic bellow expander according to claim 1, it is characterised in that described first lets out valve certainly
Including：
First spring；
Second spring；
Standing valve, the standing valve is tubular structure, and one end is fixedly connected with letting out function pipe body certainly, and the other end is that outer rim is protruded
Annular end；
Guiding valve, the guiding valve is tubular structure, and one end is connected by second spring with letting out function pipe body certainly, and the other end is outer rim
Prominent annular end；
Sleeve pipe, described sleeve pipe is tubular structure, and one end is the annular end that inner edge is shunk, and the annular end protruded with standing valve outer rim is tight
Close fit, the annular end that the other end is protruded with guiding valve outer rim is contacted, and the annular end that described sleeve pipe inner edge is shunk passes through the first spring
It is connected with letting out function pipe body certainly.
3. a kind of auto-pushing type metallic bellow expander according to claim 1, it is characterised in that described second lets out valve certainly
Including drainage plug and the 3rd spring, the 3rd spring is used to connect drainage plug and liquid storage cylinder, the drainage plug and liquid storage cylinder it
Between be provided with sealing ring.
4. a kind of auto-pushing type metallic bellow expander according to claim 1, it is characterised in that first guide shell
It is flaring structure with the second guide shell concentric gap fit end, space is provided with close between first guide shell and the second guide shell
Seal ring.
5. a kind of auto-pushing type metallic bellow expander according to claim 1, it is characterised in that the 4th guide shell
It is flaring structure with the 3rd guide shell concentric gap fit end, space is provided with close between the 4th guide shell and the 3rd guide shell
Seal ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720165890.0U CN206468975U (en) | 2017-02-23 | 2017-02-23 | A kind of auto-pushing type metallic bellow expander |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720165890.0U CN206468975U (en) | 2017-02-23 | 2017-02-23 | A kind of auto-pushing type metallic bellow expander |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206468975U true CN206468975U (en) | 2017-09-05 |
Family
ID=59707241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720165890.0U Expired - Fee Related CN206468975U (en) | 2017-02-23 | 2017-02-23 | A kind of auto-pushing type metallic bellow expander |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206468975U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109968722A (en) * | 2019-03-14 | 2019-07-05 | 杭州电子科技大学 | A kind of waved plastic pipe tightening device |
| CN112815341A (en) * | 2021-01-15 | 2021-05-18 | 江苏宏牛环保集团有限公司 | Pyrolysis treatment system for domestic garbage percolation concentrated solution and dry salt recovery method |
-
2017
- 2017-02-23 CN CN201720165890.0U patent/CN206468975U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109968722A (en) * | 2019-03-14 | 2019-07-05 | 杭州电子科技大学 | A kind of waved plastic pipe tightening device |
| CN109968722B (en) * | 2019-03-14 | 2020-11-06 | 杭州富阳新堰纸制品有限公司 | Tightening device for corrugated plastic pipe |
| CN112815341A (en) * | 2021-01-15 | 2021-05-18 | 江苏宏牛环保集团有限公司 | Pyrolysis treatment system for domestic garbage percolation concentrated solution and dry salt recovery method |
| CN112815341B (en) * | 2021-01-15 | 2023-05-23 | 江苏宏牛环保集团有限公司 | Household garbage leachate pyrolysis treatment system and dry salt recovery method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101806363B (en) | High-pressure high-temperature two-way balance stop valve | |
| CN206468975U (en) | A kind of auto-pushing type metallic bellow expander | |
| CN206468976U (en) | A kind of Intelligent stabilized pressure expander | |
| CN206036442U (en) | Quick -operation joint that pipe is connected | |
| CN217030030U (en) | Slag conveying pipeline valve capable of preventing inner leakage and outer leakage | |
| CN205534813U (en) | Pipeline plugging device | |
| CN201034184Y (en) | Standing ball valve seat structure | |
| CN209278675U (en) | It is a kind of adaptively to descend petroleum pipeline attachment device | |
| CN101598252B (en) | Elastic pawl connecting and sealing structure for pipeline, valve, valve seat and valve core | |
| CN211398923U (en) | Reducing tee joint with pressure bearing and reducing functions | |
| CN208686602U (en) | A kind of fire pump with automatic buck functionality | |
| CN208886054U (en) | One kind is explosion-proof to cross water installations | |
| CN207470852U (en) | A kind of automatic unidirectional tapping valve | |
| CN207935500U (en) | A kind of explosion-proof anticreep valve module | |
| CN106051232A (en) | One-way valve applicable to large-flow working range and working method thereof | |
| CN108758035A (en) | One kind is explosion-proof to cross water installations | |
| CN103925453B (en) | Fluid power grappling plugging device | |
| CN213953878U (en) | Pump cover with cooling chamber | |
| CN108458145A (en) | A kind of explosion-proof anticreep valve module | |
| CN108180311A (en) | One kind automatically cuts off angle valve | |
| CN205330901U (en) | Convenient hydraulic pressure manual pump of dismantling | |
| CN205101591U (en) | Lining fluorine plug valve | |
| CN215831344U (en) | Sealing structure | |
| CN103822037A (en) | Multiple two-direction sleeve expansion joint | |
| CN220151966U (en) | Double-sealing one-way combined valve |
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: 20170905 Termination date: 20180223 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |