CN207740483U - gas valve and gas engine - Google Patents
gas valve and gas engine Download PDFInfo
- Publication number
- CN207740483U CN207740483U CN201721774775.XU CN201721774775U CN207740483U CN 207740483 U CN207740483 U CN 207740483U CN 201721774775 U CN201721774775 U CN 201721774775U CN 207740483 U CN207740483 U CN 207740483U
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- Prior art keywords
- valve
- valve shaft
- gas
- protective case
- end cover
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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Abstract
The utility model provides a kind of gas valve and gas engine, is related to engine.Technical field, gas valve includes valve shaft and protective case;Protective case is annularly set in the outside of valve shaft, and protective case is flexibly connected with valve shaft;One end of valve shaft is provided with the first fuel feed hole, and the first oil outlet is provided on the outer wall of valve shaft, and valve shaft is internally provided with first passage, and the first fuel feed hole is connected to the first oil outlet by first passage;First oil outlet is correspondingly arranged with protective case.When valve shaft rotates, the setting of protective case can avoid generating friction between valve shaft and valve body, extend the service life of valve shaft, while protective case can also play the role of support limit to valve shaft;In addition, the setting of the first fuel feed hole, first passage and the first oil outlet can facilitate grease to flow between valve shaft and protective case, reduces the friction between valve shaft and protective case, extend the service life of device.
Description
Technical field
The utility model is related to technical field of engines, more particularly, to a kind of gas valve and gas engine.
Background technology
Gas valve is a kind of safe corollary apparatus of novel gas pipeline engineering.For blocking, connecting, adjust in pipeline
Gas, have good control characteristic and close sealing performance.Suitable for town gas, liquefied petroleum, natural gas, oxygen
On equal various gas medium pipeline.Gas valve can be divided into according to the direction that closure member is moved relative to valve seat:Pipe valve shape, gate
Shape, dish or guiding valve shape etc..Wherein, dish-shaped gas valve closure member is valve block in the form of annular discs, the valve shaft in valve seat
Rotation.
In the prior art, the valve shaft of dish-shaped gas valve is threaded through in valve body, and valve block is arranged in the cavity of valve body, and with
The inner wall of cavity abuts;Valve shaft is fixedly connected with valve block, and valve shaft rotation to rotate in the cavity with moving valve plate, to control dish
The opening of shape gas valve or closing.
But due to generating friction when valve shaft rotates between meeting and valve body, the abrasion of valve shaft is caused, so as to shorten dish
The service life of gas valve.
Utility model content
The purpose of this utility model is to provide a kind of gas valve and gas engines, are existed in the prior art with improving
Valve shaft rotation when meeting and valve body between generate friction, cause the abrasion of valve shaft, so as to shorten dish-shaped gas valve use the longevity
The technical issues of life.
Gas valve provided by the utility model, including valve shaft and protective case;Protective case is annularly set in the outside of valve shaft,
And protective case is flexibly connected with valve shaft;One end of valve shaft is provided with the first fuel feed hole, and it is fuel-displaced to be provided with first on the outer wall of valve shaft
Hole, valve shaft are internally provided with first passage, and the first fuel feed hole is connected to the first oil outlet by first passage;First oil outlet
It is correspondingly arranged with protective case.
Further, gas valve further includes valve body and valve block;Valve body includes control unit and throughput;Control unit is in cylinder
Shape, throughput are fixedly connected with the side wall of control unit;Control unit inner hollow, forms control chamber, and throughput inner hollow is formed
Flowing lumen;Protection is set on the outside of control unit;Valve shaft is fed through control chamber and flowing lumen successively;Valve block is arranged in control chamber
Inside, and valve block is fixedly connected with valve shaft;Valve block is in the form of annular discs, the two side walls of valve block respectively with its surface is angled sets
It sets, to enable the two side walls of valve block be bonded respectively with the inner wall of control chamber.
Further, it is correspondingly arranged the first bolt hole and the second bolt for being useful for wearing bolt respectively on valve shaft and valve block
Hole;Valve block is bolted with valve shaft.
Further, the mounting hole for wearing valve block is provided on valve shaft;The center overlapping of axles of mounting hole and valve shaft.
Further, gas valve further includes first end cover;First end cover is arranged in the outside of control unit, and first end cover with
The one end of control unit far from throughput is fixedly connected;Gasket seal is provided between first end cover and control unit;The outer wall of valve shaft
On be arranged with circlip, the first adjustment gasket and second adjustment gasket successively;Circlip, the first adjustment gasket, second
One end of adjust pad and protective case abuts successively.
Further, gas valve further includes intermediate sleeve and second end cover;Intermediate sleeve and second end cover are set in valve
The outside of axis, and be arranged in flowing lumen;Intermediate sleeve and second end cover are fixedly connected with throughput;Intermediate sleeve,
Two end caps and valve shaft, which enclose, is set as lubricating cavity;Valve shaft is provided with the second fuel feed hole, the outer wall of valve shaft close to one end of second end cover
On be provided with the second oil outlet, valve shaft to be internally provided with second channel, the second fuel feed hole and the second oil outlet logical by second
Road is connected to;Second oil outlet is correspondingly arranged with intermediate sleeve.
Further, lip-shaped sealed ring is provided between intermediate sleeve and second end cover.
Further, there are two limit protrusions for one end setting of the second end cover far from intermediate sleeve;It is arranged on valve shaft limited
Position pin;Spacer pin is arranged along the axial direction perpendicular to valve shaft;When valve shaft is rotated to drive spacer pin to rotate, spacer pin can
It is rotated in the angular range formed between two limit protrusions.
Further, removable cover and movable bolt are provided in throughput;Removable cover and movable bolt respectively with valve
Body is removably secured connection;Removable cover is arranged at the one end of valve shaft far from throughput with movable bolt.
Further, the utility model additionally provides a kind of gas engine, and gas engine includes gas valve.
Gas valve provided by the utility model, including valve shaft and protective case.In use, user is by protective case set
It is located at the outside of valve shaft, grease is then passed through from the first fuel feed hole, grease is flowed out along first passage from the first oil outlet, even
Grease flows in the gap between valve shaft and protective case.
When valve shaft rotates, the setting of protective case can avoid generating friction between valve shaft and valve body, extend making for valve shaft
With the service life, while protective case can also play the role of support limit to valve shaft;In addition, the first fuel feed hole, first passage and
The setting of first oil outlet can facilitate grease to flow between valve shaft and protective case, reduce the friction between valve shaft and protective case,
Extend the service life of device.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific implementation mode or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, other drawings may also be obtained based on these drawings.
Fig. 1 is the structural schematic diagram for the gas valve that the utility model embodiment provides;
Fig. 2 is the part-structure schematic diagram for the gas valve that the utility model embodiment provides;
Fig. 3 is the front view of the part-structure of gas valve shown in Fig. 2;
Fig. 4 is the sectional view at A-A in Fig. 3;
Fig. 5 is the structural schematic diagram for the valve body that the utility model embodiment provides;
Fig. 6 is the sectional view at B-B in Fig. 5;
Fig. 7 is the front view for the valve block that the utility model embodiment provides;
Fig. 8 is the vertical view for the valve block that the utility model embodiment provides;
Fig. 9 is the enlarged drawing at A in Fig. 4.
Icon:1- valve shafts;2- protective cases;The first fuel feed holes of 3-;The first oil outlets of 4-;5- first passages;6- valve bodies;7- valves
Piece;The first bolts hole of 8-;The second bolts hole of 9-;10- mounting holes;11- first end covers;12- gasket seals;13- circlips;
14- the first adjustment gaskets;15- second adjustment gaskets;16- second end covers;17- intermediate sleeves;The second fuel feed holes of 18-;19- second
Oil outlet;20- second channels;21- lip-shaped sealed rings;22- limit protrusions;23- spacer pins;24- removable covers;25- movable screws
Bolt;61- control units;62- throughputs;63- control chambers;64- flowing lumens.
Specific implementation mode
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
The every other embodiment that field those of ordinary skill is obtained without making creative work, belongs to this practicality
Novel protected range.
In the description of the present invention, it should be noted that such as occur term "center", "upper", "lower", " left side ",
" right side ", "vertical", "horizontal", "inner", "outside" etc., indicated by orientation or positional relationship be orientation based on ... shown in the drawings or
Position relationship is merely for convenience of describing the present invention and simplifying the description, and does not indicate or imply the indicated device or member
Part must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.
In addition, such as there is term " first ", " second ", " third " are used for description purposes only, be not understood to indicate or imply opposite
Importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection;It can be mechanical connection, can also be electrical connection;Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, it can understand above-mentioned art with concrete condition
The concrete meaning of language in the present invention.
Fig. 1 is the structural schematic diagram for the gas valve that the utility model embodiment provides;Fig. 2 carries for the utility model embodiment
The part-structure schematic diagram of the gas valve of confession;Fig. 3 is the front view of the part-structure of gas valve shown in Fig. 2;Fig. 4 is in Fig. 3
Sectional view at A-A;As shown in Figure 1, Figure 2, shown in Fig. 3 and Fig. 4, gas valve provided in this embodiment, including valve shaft 1 and protective case
2;Protective case 2 is annularly set in the outside of valve shaft 1, and protective case 2 is flexibly connected with valve shaft 1;One end of valve shaft 1 is provided with
One fuel feed hole 3 is provided with the first oil outlet 4 on the outer wall of valve shaft 1, and valve shaft 1 is internally provided with first passage 5, the first oil inlet
Hole 3 is connected to the first oil outlet 4 by first passage 5;First oil outlet 4 is correspondingly arranged with protective case 2.
Wherein, it is copper sheathing that valve shaft 1, which selects Steel material, protective case 2,.Since copper is softer with respect to steel, in protective case 2 and valve shaft
1 when producing relative rotation, and valve shaft 1 is not likely to produce abrasion, extends the service life of valve shaft 1.When replacing parts, user
Impaired more serious protective case 2 is only needed to change, use cost can be reduced in this way.
Further, the first oil outlet 4 can be multiple.The set-up mode of multiple first oil outlets 4 can be a variety of, example
Such as:Multiple first oil outlets 4 are arranged along the circumferential uniform intervals of valve shaft 1;Or multiple first oil outlets 4 are along the axial direction of valve shaft 1
Uniform intervals are arranged.
Further, the installation position of protective case 2 should be subject to and not generate interference with other structures part.
Further, joint type forced filling oil cup is may be provided at the first fuel feed hole 3, when in use, user utilizes connector
Formula forced filling oil cup injects grease into the first fuel feed hole 3.
Gas valve provided in this embodiment, including valve shaft 1 and protective case 2.In use, user is by protective case 2
It is set in the outside of valve shaft 1, grease is then passed through from the first fuel feed hole 3, grease is flowed along first passage 5 from the first oil outlet 4
Go out, even grease flows in the gap between valve shaft 1 and protective case 2.
When valve shaft 1 rotates, the setting of protective case 2 can avoid generating friction between valve shaft 1 and valve body 6, extend valve shaft 1
Service life, while protective case 2 can also play the role of support limit to valve shaft 1;In addition, the first fuel feed hole 3, first is logical
The setting of road 5 and the first oil outlet 4 can facilitate grease to flow between valve shaft 1 and protective case 2, reduce valve shaft 1 and protective case 2
Between friction, extend the service life of device.
Fig. 5 is the structural schematic diagram for the valve body that the utility model embodiment provides;Fig. 6 is the sectional view at B-B in Fig. 5;
Fig. 7 is the front view for the valve block that the utility model embodiment provides;Fig. 8 is the vertical view for the valve block that the utility model embodiment provides
Figure;As shown in Fig. 1, Fig. 5, Fig. 6, Fig. 7 and Fig. 8, on the basis of the above embodiments, further, gas valve further includes valve
Body 6 and valve block 7;Valve body 6 includes control unit 61 and throughput 62;Control unit 61 is cylindrical, throughput 62 and control unit 61
Side wall is fixedly connected;61 inner hollow of control unit, forms control chamber 63, and 62 inner hollow of throughput forms flowing lumen 64;Protection
Set 2 is arranged in the outside of control unit 61;Valve shaft 1 is fed through control chamber 63 and flowing lumen 64 successively;Valve block 7 is arranged in control chamber 63
Inside, and valve block 7 is fixedly connected with valve shaft 1;Valve block 7 is in the form of annular discs, and the two side walls of valve block 7 are angled with its surface respectively
Setting, to enable the two side walls of valve block 7 be bonded respectively with the inner wall of control chamber 63.
Wherein, protective case 2 is fixedly connected with valve body 6.
Further, valve body 6 and valve block 7 select Steel material.
Further, can be welding between control unit 61 and throughput 62.
Further, the connection type of valve block 7 and valve shaft 1 can be a variety of, such as:Welding or clamping etc..
Further, valve block 7 is parallelogram along the cross sectional shape perpendicular to its surface.
Further, the two side walls of valve block 7 respectively should be flexible according to the internal diameter of control chamber 63 with its surface angulation
Setting.
In the present embodiment, in use, user rotates valve shaft 1, to turn in control chamber 63 with moving valve plate 7
It is dynamic, and then control opening or the closing of gas valve.Since there are thickness for valve block 7 itself, and control chamber 63 is cylindrical, valve block
7 two side walls can enable the inner wall of the both sides of valve block 7 and control chamber 63 more with the mode of the angled setting in its surface respectively
Fitting, prevents valve block 7 stuck in rotation process, or scratches 63 inner wall of control chamber.
As shown in Fig. 3, Fig. 4 and Fig. 8, on the basis of the above embodiments, further, on valve shaft 1 and valve block 7 respectively
It is correspondingly arranged the first bolt hole 8 and the second bolt hole 9 for being useful for wearing bolt;Valve block 7 is bolted with valve shaft 1.
Wherein, the first bolt hole 8 and the second bolt hole 9 can be multiple.Multiple settings can enable company between the two
It connects and more stablizes.
In the present embodiment, valve block 7 is bolted with valve shaft 1.This set can be convenient for users to dismounting or replace knot
Component.
As shown in Figure 2 and Figure 4, on the basis of the above embodiments, further, it is provided on valve shaft 1 and wears valve block 7
Mounting hole 10;The center overlapping of axles of mounting hole 10 and valve shaft 1.
In the present embodiment, in use, valve block 7 is inserted in the mounting hole 10 of valve shaft 1, is then connected with 1 bolt of valve shaft
It connects.When this setup can enable valve shaft 1 be rotated with moving valve plate 7, valve shaft 1 is more uniformly stressed, to improve device
Service life.In addition, the stability connected therebetween can also be improved in this way.
Fig. 9 is the enlarged drawing at A in Fig. 4;As shown in Fig. 2, Fig. 3, Fig. 4 and Fig. 9, on the basis of the above embodiments,
Further, gas valve further includes first end cover 11;First end cover 11 is arranged in the outside of control unit 61, and first end cover 11 with
The one end of control unit 61 far from throughput 62 is fixedly connected;Gasket seal 12 is provided between first end cover 11 and control unit 61;
Circlip 13, the first adjustment gasket 14 and second adjustment gasket 15 are arranged on the outer wall of valve shaft 1 successively;Circlip
13, one end of the first adjustment gasket 14, second adjustment gasket 15 and protective case 2 abuts successively.
Wherein, first end cover 11 is bolted with control unit 61.Bullet is may be provided at bolt and the abutting of first end cover 11
Spring washer.
Further, circlip 13, the first adjustment gasket 14, second adjustment gasket 15 and protective case 2 are two.
Two 14, two, the first adjustment gasket second adjustment gaskets 15 of circlip 13, two and the opposite control respectively of two protective cases 2
The central shaft of chamber 63 processed is correspondingly arranged at the outside of control unit 61.
In the present embodiment, in use, gasket seal 12, circlip 13, the first adjustment gasket 14 and second
Adjust pad 15 can play the role of sealing, prevent grease leakage, improve the leakproofness of device.In addition, first end cover 11
It can play the role of limiting valve shaft 1, ensure that valve shaft 1 is coaxially disposed with shaft coupling and actuator.
As shown in Fig. 2, Fig. 3 and Fig. 4, on the basis of the above embodiments, further, gas valve further includes intermediate sleeve
Cylinder 17 and second end cover 16;Intermediate sleeve 17 and second end cover 16 are set in the outside of valve shaft 1, and are arranged at flowing lumen 64
It is interior;Intermediate sleeve 17 and second end cover 16 are fixedly connected with throughput 62;Intermediate sleeve 17, second end cover 16 and valve shaft 1
It encloses and is set as lubricating cavity;Valve shaft 1 is provided with the second fuel feed hole 18 close to one end of second end cover 16, is provided on the outer wall of valve shaft 1
Second oil outlet 19, be internally provided with second channel 20, the second fuel feed hole 18 and the second oil outlet 19 of valve shaft 1 lead to by second
Road 20 is connected to;Second oil outlet 19 is correspondingly arranged with intermediate sleeve 17.
Wherein, intermediate sleeve 17 and second end cover 16 are coaxially disposed, and are bolted with throughput 62.
Further, when the one end of valve shaft 1 far from first end cover 11 is provided with protective case 2, which should also be correspondingly arranged
There are the first fuel feed hole 3, the first oil outlet 4 and first passage 5.The first passage 5 at the end can be connected to second channel 20, the end
The first fuel feed hole 3 can be overlapped with the second fuel feed hole 18.
In the present embodiment, in use, user is passed through grease from the second fuel feed hole 18, and grease is along second channel 20
It is flowed out from the second oil outlet 19, even grease is full of lubricating cavity.When valve shaft 1 rotates, 16 energy of intermediate sleeve 17 and second end cover
It is enough to play the role of support limit to valve shaft 1;Ensure that valve shaft 1 is coaxially disposed with shaft coupling and actuator.In addition, the second oil inlet
The setting in hole 18, second channel 20 and the second oil outlet 19 can facilitate grease to flow in lubricating cavity, reduce valve shaft 1 and centre
The friction between friction and valve shaft 1 and second end cover 16 between sleeve 17.
As shown in figure 4, on the basis of the above embodiments, further, being set between intermediate sleeve 17 and second end cover 16
It is equipped with lip-shaped sealed ring 21.
In the present embodiment, the setting of lip-shaped sealed ring 21 can improve intermediate sleeve 17, second end cover 16 and valve shaft 1 it
Between leakproofness.
As shown in Fig. 2, Fig. 3 and Fig. 4, on the basis of the above embodiments, further, second end cover 16 is far from intermediate
There are two limit protrusions 22 for one end setting of sleeve 17;Spacer pin 23 is provided on valve shaft 1;Spacer pin 23 is along perpendicular to valve shaft 1
Axial direction setting;When valve shaft 1 rotate with drive spacer pin 23 rotate when, spacer pin 23 can two limit protrusions 22 it
Between rotation in the angular range that is formed.
Wherein, two limit protrusions 22 can connect to form boss.
Further, the setting of angular range is considered as the actual conditions that valve block 7 coordinates with control chamber 63.
Further, spacer pin 23 can be welded with valve shaft 1.
In the present embodiment, in use, spacer pin 23 is driven to be supported with one of limit protrusion 22 when valve shaft 1 rotates
When connecing, gas valve is closed.Valve shaft 1 rotates in the opposite direction, to be rotated with moving valve plate 7 to enable gas valve open, spacer pin at this time
23 leave limit protrusion 22 moves to another limit protrusion 22;When spacer pin 23 is abutted with another limit protrusion 22
When, valve shaft 1 can not be rotated further.The setting of two limit protrusions 22 can be played the role of limiting 1 slewing area of valve shaft, to prevent
It is stuck when only valve block 7 rotates in control chamber 63, the abrasion condition between valve block 7 and control chamber 63 is reduced, making for device is improved
Use the service life.
As shown in Figure 1, on the basis of the above embodiments, further, 24 He of removable cover is provided in throughput 62
Movable bolt 25;Removable cover 24 and movable bolt 25 are removably secured with valve body 6 respectively to be connect;Removable cover 24 and activity
Bolt 25 is arranged at the one end of valve shaft 1 far from throughput 62.
Wherein, removable cover 24 is bolted with valve body 6.
In the present embodiment, during gas valve and actuator assemble, user is by removable cover 24 and movable bolt
25 remove, to fix the shaft coupling between gas valve and actuator with bolt, to ensure coaxial arrangement therebetween.Removable cover
The setting of plate 24 and movable bolt 25 can be convenient for users to gas valve to be fixedly connected with actuator.
On the basis of the above embodiments, further, the utility model embodiment additionally provides a kind of gas engine,
Gas engine includes gas valve.
In the present embodiment, gas engine has above-mentioned gas valve, and the effect generated is identical as the effect of gas valve,
It repeats no more.
Finally it should be noted that:The above various embodiments is only to illustrate the technical solution of the utility model, rather than limits it
System;Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should
Understand:It still can be with technical scheme described in the above embodiments is modified, either to which part or whole
Technical characteristic carries out equivalent replacement;And these modifications or replacements, this practicality that it does not separate the essence of the corresponding technical solution are new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of gas valve, which is characterized in that including:Valve shaft and protective case;
The protective case is annularly set in the outside of the valve shaft, and the protective case is flexibly connected with the valve shaft;It is described
One end of valve shaft is provided with the first fuel feed hole, and the first oil outlet is provided on the outer wall of the valve shaft, and the inside of the valve shaft is set
It is equipped with first passage, first fuel feed hole is connected to first oil outlet by the first passage;Described first is fuel-displaced
Hole is correspondingly arranged with the protective case.
2. gas valve according to claim 1, which is characterized in that further include valve body and valve block;
The valve body includes control unit and throughput;The control unit is cylindrical, the side of the throughput and the control unit
Wall is fixedly connected;The control unit inner hollow, forms control chamber, and the throughput inner hollow forms flowing lumen;The guarantor
Shield is set on the outside of the control unit;
The valve shaft is fed through the control chamber and the flowing lumen successively;The valve block is arranged in the inside of the control chamber,
And the valve block is fixedly connected with the valve shaft;The valve block is in the form of annular discs, the two side walls of the valve block respectively with its surface
Angled setting, to enable the two side walls of the valve block be bonded respectively with the inner wall of the control chamber.
3. gas valve according to claim 2, which is characterized in that be correspondingly arranged on respectively on the valve shaft and the valve block
The first bolt hole and the second bolt hole for wearing bolt;
The valve block is bolted with the valve shaft.
4. gas valve according to claim 3, which is characterized in that be provided with the installation for wearing the valve block on the valve shaft
Hole;
The center overlapping of axles of the mounting hole and the valve shaft.
5. gas valve according to claim 2, which is characterized in that further include first end cover;
The first end cover is arranged in the outside of the control unit, and the first end cover and the control unit are far from the circulation
The one end in portion is fixedly connected;It is provided with gasket seal between the first end cover and the control unit;
Circlip, the first adjustment gasket and second adjustment gasket are arranged on the outer wall of the valve shaft successively;The elasticity
Baffle ring, the first adjustment gasket, the second adjustment gasket and the protective case one end abut successively.
6. gas valve according to claim 2, which is characterized in that further include intermediate sleeve and second end cover;
The intermediate sleeve and the second end cover are set in the outside of valve shaft, and are arranged in the flowing lumen;It is described
Intermediate sleeve and the second end cover are fixedly connected with the throughput;The intermediate sleeve, the second end cover and institute
It states valve shaft and encloses and be set as lubricating cavity;The valve shaft is provided with the second fuel feed hole close to one end of the second end cover, the valve shaft
The second oil outlet is provided on outer wall, the valve shaft is internally provided with second channel, second fuel feed hole and described second
Oil outlet is connected to by the second channel;Second oil outlet is correspondingly arranged with the intermediate sleeve.
7. gas valve according to claim 6, which is characterized in that be arranged between the intermediate sleeve and the second end cover
There is lip-shaped sealed ring.
8. gas valve according to claim 6, which is characterized in that the one end of the second end cover far from the intermediate sleeve
There are two limit protrusions for setting;
It is provided with spacer pin on the valve shaft;The spacer pin is arranged along the axial direction perpendicular to the valve shaft;When the valve
Shaft rotation it is dynamic to drive the spacer pin to rotate when, angle model that the spacer pin can be formed between two limit protrusions
Enclose interior rotation.
9. gas valve according to claim 2, which is characterized in that be provided with removable cover and movable screw in the throughput
Bolt;
The removable cover and the movable bolt are removably secured with the valve body respectively to be connect;The removable cover and institute
It states movable bolt and is arranged at the one end of the valve shaft far from the throughput.
10. a kind of gas engine, which is characterized in that including such as claim 1-9 any one of them gas valve.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721774775.XU CN207740483U (en) | 2017-12-18 | 2017-12-18 | gas valve and gas engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721774775.XU CN207740483U (en) | 2017-12-18 | 2017-12-18 | gas valve and gas engine |
Publications (1)
Publication Number | Publication Date |
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CN207740483U true CN207740483U (en) | 2018-08-17 |
Family
ID=63118507
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201721774775.XU Active CN207740483U (en) | 2017-12-18 | 2017-12-18 | gas valve and gas engine |
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Country | Link |
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CN (1) | CN207740483U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107906213A (en) * | 2017-12-18 | 2018-04-13 | 湖南省力宇燃气动力有限公司 | Gas valve and gas engine |
-
2017
- 2017-12-18 CN CN201721774775.XU patent/CN207740483U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107906213A (en) * | 2017-12-18 | 2018-04-13 | 湖南省力宇燃气动力有限公司 | Gas valve and gas engine |
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