CN206723471U - A kind of liquefied petroleum gas flow rate regulating valve - Google Patents
A kind of liquefied petroleum gas flow rate regulating valve Download PDFInfo
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- CN206723471U CN206723471U CN201720383681.3U CN201720383681U CN206723471U CN 206723471 U CN206723471 U CN 206723471U CN 201720383681 U CN201720383681 U CN 201720383681U CN 206723471 U CN206723471 U CN 206723471U
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- valve
- liquefied petroleum
- petroleum gas
- flow rate
- rate regulating
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Abstract
The utility model discloses a kind of liquefied petroleum gas flow rate regulating valve,Including valve seat,Valve element,Valve body,Rotation hand wheel and valve rod,The valve inner is provided with valve seat,Opening is offered in the middle part of valve seat,Valve inner is divided into liquefied petroleum gas input channel and liquefied petroleum gas output channel by valve seat,The opening is provided with valve element,Valve element upper end connects valve rod,Valve stem top sequentially passes through end-plate from bottom to top,Bonnet and diaphragm seal cavity shell,Valve stem top is connected with the push-and-pull block in diaphragm seal cavity shell,Sealing ring is provided with inside the end-plate,Sealing ring is set on valve rod,Flexible membrane is connected between push-and-pull block and diaphragm seal the cavity shell inwall,The cavity above and below diaphragm seal cavity shell is separated completely by flexible membrane,Realize the safeguard protection of liquefied petroleum gas gas leakage,Enhance the sealing effectiveness of liquefied petroleum gas flow rate regulating valve,Liquefied petroleum gas velocity inside regulation valve body,Suitable for operating with for liquefied petroleum gas.
Description
Technical field
Chemical technology field is the utility model is related to, specifically a kind of liquefied petroleum gas flow rate regulating valve.
Background technology
With the development of petro chemical industry, liquefied petroleum gas is as a kind of chemical industry base stock and New-type fuel,
More and more it is valued by people.In terms of Chemical Manufacture, liquefied petroleum gas is that oil plant is carrying out crude oil catalytic pyrolysis and heat
Resulting byproduct during cracking.For producing synthetic plastic, synthetic rubber, synthetic fibers and producing medicine, explosive, dyestuff etc.
Product.Make fuel with liquefied petroleum gas, it is easy to operate due to its calorific value height, smoke dust, carbon-free slag, widely enter people
Sphere of life.
Liquefied petroleum gas, using tempering bottle or pipeline, must be equipped with being used in conveying on tempering bottle or pipeline
Control the valve of liquefied petroleum gas velocity.The flow velocity regulation being assemblied at present on the tempering bottle or pipeline of liquefied petroleum gas conveying
Valve, after a long time use, the sealing ring of sealing to be used between valve rod and bonnet because abrasion or aging, sealing property reduce,
Easily cause liquefied petroleum gas between valve rod and bonnet the problem of gap leakage, so as to trigger security incident, flow rate regulating valve
Security performance it is low.And existing flow rate regulating valve lacks flow velocity regulation when liquefied petroleum gas velocity is adjusted
Numeric reference, it can not accurately calculate liquefied petroleum gas and flow through flow velocity in valve body；And flow velocity regulation is inconvenient for operation, for
The maintenance of flow rate regulating valve is wasted time and energy, assembly and disassembly inconvenience, therefore, it is necessary to traditional flow rate regulating valve is improved with full
The use demand of sufficient liquefied petroleum gas conveying.
Utility model content
The purpose of this utility model is to provide a kind of liquefied petroleum gas flow rate regulating valve, to solve above-mentioned background technology
The problem of middle proposition.
To achieve the above object, the utility model provides following technical scheme：
A kind of liquefied petroleum gas flow rate regulating valve, including valve seat, valve element, valve body, rotation hand wheel and valve rod, the valve body
Inside is provided with valve seat, offers opening in the middle part of valve seat, valve inner is divided into liquefied petroleum gas input channel and liquid by valve seat
Liquefied oil gas output channel, the opening are provided with valve element, valve element upper end connection valve rod, and valve stem top is worn successively from bottom to top
End-plate, bonnet and diaphragm seal cavity shell are crossed, valve stem top is connected with the push-and-pull block in diaphragm seal cavity shell, in the end-plate
Portion is provided with sealing ring, and sealing ring is set on valve rod, and flexible membrane is connected between push-and-pull block and diaphragm seal the cavity shell inwall
Piece, the push-and-pull block upper end are internally embedded spill spin block, push-and-pull block top connection external thread rod, and external thread rod passes through sealing membrane cavity shell
Body connects rotation hand wheel with internal thread cylinder.
As further program of the utility model：The valve body of the liquefied petroleum gas input channel end is provided with input
End-plate, the valve body of liquefied petroleum gas output channel end are provided with output end-plate, the input end-plate and output end seal
Bolt hole is offered on plate.
As further program of the utility model：Spring is arranged with valve rod between the end-plate and valve element.
As further program of the utility model：The bonnet is bolted on the top of valve body.
As further program of the utility model：Indicator is welded with valve rod above the bonnet, indicator is slided
It is dynamic to be arranged in the cavity in bonnet, clear glass observation window, clear glass observation window are inlaid with the bonnet of indicator side
It is provided with stroke mark.
As further program of the utility model：The flexible membrane is diaphragm of rubber piece.
As further program of the utility model：The external thread rod is connected with internal thread cylinder inner thread.
Compared with prior art, the beneficial effects of the utility model are：A kind of liquefied petroleum gas flow rate regulating valve,
It is simple in construction, it is reasonable in design, facilitate the input and output of liquefied petroleum gas, be easy to the assembly and disassembly of bonnet, it is easy to maintenance quick,
The cavity above and below diaphragm seal cavity shell is separated completely by flexible membrane, solving traditional flow rate regulating valve makes
Used time liquefied petroleum gas the problem of gap leakage, is realized the safeguard protection of liquefied petroleum gas gas leakage, kept away between valve rod and bonnet
Exempt from liquefied petroleum gas leakage, enhance the sealing effectiveness of liquefied petroleum gas flow rate regulating valve, rotation hand wheel is rotated, so as to adjust
The liquefied petroleum gas velocity of valve inner, it is convenient and swift, suitable for operating with for liquefied petroleum gas.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of diaphragm seal cavity shell in the utility model.
In figure：1- valve seats, 2- valve elements, 3- openings, 4- valve bodies, 5- input end-plate, 6- liquefied petroleum gas input channel,
7- bolts hole, 8- sealing rings, 9- stroke marks, 10- indicators, 11- diaphragm seals cavity shell, 12- internal threads cylinder, 13- rotation hands
Wheel, 14- external thread rods, 15- push-and-pulls block, 16- flexible membranes, 17- valve rods, 18- end-plates, 19- bonnets, 20- springs, 21- liquid
Liquefied oil gas output channel, 22- outputs end-plate, 23- spill spin blocks.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Refer to Fig. 1~2, in the utility model embodiment, a kind of liquefied petroleum gas flow rate regulating valve, including valve seat 1,
Valve element 2, valve body 4, rotation hand wheel 13 and valve rod 17, the inside of valve body 4 are provided with valve seat 1, and the middle part of valve seat 1 offers opening 3,
Valve seat 1 will be divided into liquefied petroleum gas input channel 6 and liquefied petroleum gas output channel 21, the liquefied petroleum inside valve body 4
The valve body 4 of the end of gas input channel 6 is provided with input end-plate 5, and the valve body 4 of the end of liquefied petroleum gas output channel 21 is provided with
End-plate 22 is exported, bolt hole 7 is offered on the input end-plate 5 and output end-plate 22, in use, by 4 liang of valve body
The input end-plate 5 at end and output end-plate 22 are connected with liquefied petroleum gas transfer pipeline, and liquefied petroleum gas is from liquefied petroleum gas
Input channel 6 inputs, and flows into liquefied petroleum gas output channel 21 by opening 3 and is flowed out from valve body 4.
The opening 3 is provided with valve element 2, and the upper end of valve element 2 connection valve rod 17, the top of valve rod 17 sequentially passes through from bottom to top
End-plate 18, bonnet 19 and diaphragm seal cavity shell 11, the top of valve rod 17 are connected with the push-and-pull block 15 in diaphragm seal cavity shell 11, institute
State and spring 20 is arranged with the valve rod 17 between end-plate 18 and valve element 2, the inside of end-plate 18 is provided with sealing ring 8,8 sets of sealing ring
It is located on valve rod 17, adds sealing when valve rod 17 passes through end-plate 18；The bonnet 19 is bolted on valve body 4
Top, realize assembly and disassembly to bonnet 19 by tightening or loosering a bolt, be easy to safeguard valve body 4, it is convenient fast
It is prompt.
Indicator 10 is welded with the valve rod 17 of the top of bonnet 19, indicator 10 is slidably arranged in the sky in bonnet 19
In chamber, clear glass observation window is inlaid with the bonnet 19 of the side of indicator 10, clear glass observation window is provided with stroke mark
9, when valve rod 17 slides up and down, the indicator 10 on valve rod 17 slides up and down, and points to the different numerical value of stroke mark 9, so as to
Calculate liquefied petroleum gas and flow through flow velocity in valve body 4.
Flexible membrane 16 is connected between push-and-pull block 15 and diaphragm seal cavity shell 11 inwall, flexible membrane 16 is rubber
Diaphragm, flexible membrane 16 separate the cavity above and below diaphragm seal cavity shell 11 completely, solve traditional flow velocity
Liquefied petroleum gas the problem of gap leakage, realizes the safety of liquefied petroleum gas gas leakage between valve rod and bonnet when regulating valve uses
Protection, even if being reduced for a long time using sealing after the rear wear and aging of sealing ring 8, a small amount of liquefied petroleum gas is along end-plate 18 and valve
Gap is revealed upwards between bar 17, and the flexible membrane 16 in diaphragm seal cavity shell 11 also can further realize sealing, avoid liquefying
Oil gas is revealed, and enhances the sealing effectiveness of liquefied petroleum gas flow rate regulating valve.
The upper end of push-and-pull block 15 is internally embedded spill spin block 23, and spill spin block 23 is rotated in push-and-pull block 15 and set, push-and-pull block
15 tops connect external thread rod 14, and external thread rod 14 connects rotation hand wheel 13 through diaphragm seal cavity shell 11 and internal thread cylinder 12,
The external thread rod 14 is connected with the inner thread of internal thread cylinder 12, is rotated when rotating clockwise rotation hand wheel 13, rotation hand wheel 13
External thread rod 14 is driven to rotate clockwise, external thread rod 14 moves downward relative to internal thread cylinder 12, and external thread rod 14 pushes away
Pulling block 15 and valve rod 17 move downward, and the valve element 2 of the bottom of valve rod 17 blocks the opening 3 on valve seat 1, so that passing through valve body
Liquefied petroleum gas velocity inside 4 is reduced；Rotated when rotating counterclockwise rotation hand wheel 13, rotation hand wheel 13 drives external thread rod 14
Rotate counterclockwise, external thread rod 14 moves upwards relative to internal thread cylinder 12, and external thread rod 14 drives push-and-pull block 15 and valve rod 17
Motion upwards, the valve element 2 of the bottom of valve rod 17 separates with the opening 3 on valve seat 1, so that passing through the liquefaction stone inside valve body 4
The increase of oil gas flow velocity；Regulation is convenient and swift by the inside liquefied petroleum gas velocity of valve body 4, and the operation suitable for liquefied petroleum gas makes
With.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, it can realize that this practicality is new in other specific forms
Type., it is necessary to illustrate in the description of this specification, unless otherwise clearly defined and limited, term " setting ", " connected "
And " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or it is integrally connected；Can be with
It is to be joined directly together, can also be indirectly connected by intermediary, can is the connection of two element internals.For the general of this area
For logical technical staff, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, sheet
The scope of utility model is limited by appended claims rather than described above, it is intended that will fall equally in claim
All changes in the implication and scope of part are included in the utility model.Any reference in claim should not be regarded
To limit involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (7)
1. a kind of liquefied petroleum gas flow rate regulating valve, including valve seat (1), valve element (2), valve body (4), rotation hand wheel (13) and valve
Bar (17), it is characterised in that valve seat (1) is provided with inside the valve body (4), opening (3), valve seat are offered in the middle part of valve seat (1)
(1) liquefied petroleum gas input channel (6) and liquefied petroleum gas output channel (21), the circulation will be divided into inside valve body (4)
Hole (3) is provided with valve element (2), valve element (2) upper end connection valve rod (17), and valve rod (17) top sequentially passes through end-plate from bottom to top
(18), bonnet (19) and diaphragm seal cavity shell (11), valve rod (17) top and the push-and-pull block (15) in diaphragm seal cavity shell (11)
Connection, the end-plate (18) is internal to be provided with sealing ring (8), and sealing ring (8) is set on valve rod (17), the push-and-pull block (15)
Flexible membrane (16) is connected between diaphragm seal cavity shell (11) inwall, push-and-pull block (15) upper end is internally embedded spill spin block
(23), push-and-pull block (15) top connection external thread rod (14), external thread rod (14) pass through diaphragm seal cavity shell (11) and internal thread
Cylinder (12) connection rotation hand wheel (13).
A kind of 2. liquefied petroleum gas flow rate regulating valve according to claim 1, it is characterised in that the liquefied petroleum gas
The valve body (4) of input channel (6) end is provided with input end-plate (5), the valve body of liquefied petroleum gas output channel (21) end
(4) output end-plate (22) is provided with, bolt hole (7) is offered on the input end-plate (5) and output end-plate (22).
A kind of 3. liquefied petroleum gas flow rate regulating valve according to claim 1, it is characterised in that the end-plate (18)
Spring (20) is arranged with valve rod (17) between valve element (2).
4. a kind of liquefied petroleum gas flow rate regulating valve according to claim 1, it is characterised in that the bonnet (19) is logical
Cross the top for being bolted to valve body (4).
5. a kind of liquefied petroleum gas flow rate regulating valve according to claim 1, it is characterised in that on the bonnet (19)
Indicator (10) is welded with the valve rod (17) of side, indicator (10) is slidably arranged in the cavity in bonnet (19), indicator
(10) clear glass observation window is inlaid with the bonnet (19) of side, clear glass observation window is provided with stroke mark (9).
A kind of 6. liquefied petroleum gas flow rate regulating valve according to claim 1, it is characterised in that the flexible membrane
(16) it is diaphragm of rubber piece.
A kind of 7. liquefied petroleum gas flow rate regulating valve according to claim 1, it is characterised in that the external thread rod
(14) it is connected with internal thread cylinder (12) inner thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720383681.3U CN206723471U (en) | 2017-04-13 | 2017-04-13 | A kind of liquefied petroleum gas flow rate regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720383681.3U CN206723471U (en) | 2017-04-13 | 2017-04-13 | A kind of liquefied petroleum gas flow rate regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206723471U true CN206723471U (en) | 2017-12-08 |
Family
ID=60504598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720383681.3U Active CN206723471U (en) | 2017-04-13 | 2017-04-13 | A kind of liquefied petroleum gas flow rate regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206723471U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111997954A (en) * | 2020-07-23 | 2020-11-27 | 江麓机电集团有限公司 | A combination valves for compressed air treatment for armoured vehicle |
| CN113898746A (en) * | 2021-09-10 | 2022-01-07 | 精工阀门集团有限公司 | Flow-rate-controllable regulating valve |
| CN115112787A (en) * | 2022-05-31 | 2022-09-27 | 永春县产品质量检验所(福建省香产品质量检验中心、国家燃香类产品质量监督检验中心(福建)) | Polycyclic aromatic hydrocarbon detection method |
-
2017
- 2017-04-13 CN CN201720383681.3U patent/CN206723471U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111997954A (en) * | 2020-07-23 | 2020-11-27 | 江麓机电集团有限公司 | A combination valves for compressed air treatment for armoured vehicle |
| CN113898746A (en) * | 2021-09-10 | 2022-01-07 | 精工阀门集团有限公司 | Flow-rate-controllable regulating valve |
| CN113898746B (en) * | 2021-09-10 | 2023-07-18 | 精工阀门集团有限公司 | Flow-speed-controllable regulating valve |
| CN115112787A (en) * | 2022-05-31 | 2022-09-27 | 永春县产品质量检验所(福建省香产品质量检验中心、国家燃香类产品质量监督检验中心(福建)) | Polycyclic aromatic hydrocarbon detection method |
| CN115112787B (en) * | 2022-05-31 | 2024-01-12 | 永春县产品质量检验所(福建省香产品质量检验中心、国家燃香类产品质量监督检验中心(福建)) | Detection method of polycyclic aromatic hydrocarbon |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180628 Address after: 300460 Tianjin Binhai New Area Lingang Economic Zone Bohai thirteen road 189 Patentee after: Tianjin Bohai Petrochemical Co., Ltd. Address before: 300000 Tianjin Binhai New Area Lingang Economic Zone Bohai thirteen road 189 Patentee before: Tianjin Bohai Sea fossilisation company limited |
|
| TR01 | Transfer of patent right |