CN206175785U - Gas pipeline stagnant water valve - Google Patents
Gas pipeline stagnant water valve Download PDFInfo
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- CN206175785U CN206175785U CN201621179085.5U CN201621179085U CN206175785U CN 206175785 U CN206175785 U CN 206175785U CN 201621179085 U CN201621179085 U CN 201621179085U CN 206175785 U CN206175785 U CN 206175785U
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- leading truck
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Abstract
The utility model provides a gas pipeline stagnant water valve, first cavity is linked together through the second gas pocket with the second cavity, the second cavity is linked together through the third gas pocket with the third cavity, still has the float case, the float case includes first end cap, second end cap, connecting rod and body, the one end at the connecting rod is fixed to the body, and the other end at the connecting rod is fixed to first end cap, the second end cap is fixed on the connecting rod and is located the top department of body, the leading truck still has in the valve body, the one end of leading truck is fixed on the inner wall of valve body, the other end of leading truck and connecting rod sliding connection, the connecting rod passes the second air vent and connects body, first end cap and second end cap, the radius of first end cap, second end cap, first air vent and second air vent satisfies relational expression r1 > r3, r2 > r4. The utility model discloses even dress back on gas pipeline connect wrong pipeline also the rivers gas pipeline stagnant water valve that also can not flow in gas pipeline arouse pipeline water blocking.
Description
Technical field
This utility model is specifically related to a kind of gas pipeline water check valve.
Background technology
When water heater is installed, the easy wrong pipeline of installer is connected to the Gas Pipe that should be connected to combustion gas interface
On hot water outlet, such current can enter in fuel gas pipeline along combustion gas pipe flow, cause dying for entire building, if the evening for finding,
Current even can cause the gas supply of whole cell to interrupt along gas riser stream to gas header pipe, be additionally, since combustion gas inflammable
It is explosive, if resident family is not turned off gas-fired equipment integrally gas just very easily generation danger again when dying, so follow-up multiple gas work
Need to answer gas from door to door, bother very much, significantly wasting manpower and material resources.
The content of the invention
Even if current also will not flow when the purpose of this utility model is to provide wrong pipeline after one kind is mounted on fuel gas pipeline
Enter the gas pipeline water check valve to fuel gas pipeline.
Realizing the first technical scheme of above-mentioned purpose is：A kind of gas pipeline water check valve, it is improved by：
A, with valve body, there is in the valve body first chamber, second chamber and the 3rd chamber, also with the first pore,
Second pore, the 3rd pore and the 4th pore, and the first pore be gas outlet, the 4th pore be air inlet, the first chamber
It is connected by the second pore with second chamber, the second chamber is connected with the 3rd chamber by the 3rd pore；
B, also have float valve element, the float valve element include the first plug, the second plug, connecting rod and buoyancy aid, it is described
Buoyancy aid is fixed on one end of connecting rod, and the first plug is fixed on the other end of connecting rod, and second plug is fixed on connecting rod
Above and at the top of buoyancy aid；
C, first plug are located in second chamber, and the position of the first plug is corresponding with the 3rd pore, described floating
Body and the second plug are located in first chamber, and the position of the second plug is corresponding with the second pore, and the connecting rod passes through the
Two pores simultaneously connect buoyancy aid, the second plug and the first plug；
Also there is leading truck, one end of the leading truck is fixed on the inwall of valve body, leading truck in d, the valve body
The other end is slidably connected with connecting rod；
E, the least radius of first plug 3 are r1, the least radius of the second plug 4 is r2, the radius of the 3rd pore 1
For r3, and the radius of the second pore 1 is r4, and meet relational expression r1＞ r3, r2＞ r4。
In above-mentioned technical proposal, the other end of the leading truck has pilot sleeve, and the connecting rod passes through fairlead
Cylinder is simultaneously slidably connected with pilot sleeve.
In above-mentioned technical proposal, the other end of the leading truck has the guiding collar, and the connecting rod passes through fairlead
Ring is simultaneously slidably connected with the collar is oriented to.
In above-mentioned technical proposal, first plug and the second plug are cylinder, and the upper surface of cylinder is
Plane.
In above-mentioned technical proposal, first plug and the second plug are stepped ramp type cylinder, first plug
The upper end of stepped ramp type cylinder there is the first center frustum and first annular end face, the stepped ramp type cylinder of second plug
Upper end there is the upper surface of the second center frustum and the second annular end face, first center frustum and the second center frustum
Radius is respectively r3-1, r4-1, the exradius of the first annular end face and the second annular end face is respectively r3-2, r4-2, and it is full
Sufficient relational expression r3-2>r3>r3-1, r4-2>r4>r4-1。
Realizing second technical scheme of above-mentioned purpose is：A kind of gas pipeline water check valve, it is improved by：
A, with valve body, have in the valve body first chamber and second chamber also have the first pore, the second pore and
3rd pore, and the first pore is gas outlet, the 3rd pore is air inlet, and the first chamber passes through the second gas with second chamber
Hole is connected；
B, also have float valve element, the float valve element include the first plug, the second plug, connecting rod and buoyancy aid, it is described
Buoyancy aid is fixed on one end of connecting rod, and the first plug is fixed on the other end of connecting rod, and second plug is fixed on connecting rod
On the top positioned at buoyancy aid at；
C, first plug are located in second chamber, and the position of the first plug is corresponding with the 3rd pore, described floating
Body and the second plug are located in first chamber, and the position of the second plug is corresponding with the second pore, and the connecting rod passes through the
Two pores simultaneously connect buoyancy aid, the second plug and the first plug；
Also there is leading truck, one end of the leading truck is fixed on the inwall of valve body, leading truck in d, the valve body
The other end is slidably connected with connecting rod；
E, the least radius of first plug are r1, the least radius of the second plug is r2, the radius of the 3rd pore is
r3, and the radius of the second pore is r4, and meet relational expression r1＞ r3, r2＞ r4。
In above-mentioned technical proposal, the other end of the leading truck has pilot sleeve, and the connecting rod passes through fairlead
Cylinder is simultaneously slidably connected with pilot sleeve.
The other end of the leading truck described in above-mentioned technical proposal has the guiding collar, and the connecting rod is through the guiding collar
And be slidably connected with the collar is oriented to.
In above-mentioned technical proposal, first plug and the second plug are cylinder, and the upper surface of cylinder is
Plane.
In above-mentioned technical proposal, first plug and the second plug are stepped ramp type cylinder, first plug
The upper end of stepped ramp type cylinder there is the first center frustum and first annular end face, the stepped ramp type cylinder of second plug
Upper end there is the upper surface of the second center frustum and the second annular end face, first center frustum and the second center frustum
Radius is respectively r3-1, r4-1, the exradius of the first annular end face and the second annular end face is respectively r3-2, r4-2, and it is full
Sufficient relational expression r3-2>r3>r3-1, r4-2>r4>r4-1。
Benefit of the present utility model is：This utility model is arranged on the pipeline after gas meter, flow meter, at normal condition water check valve
In unimpeded state, when wrong pipeline, when hot water mouth is connected with Gas Pipe, current can be flowed in water check valve, under buoyancy
Buoyancy aid floats, and drives and passes through the first plug and the second plug floating that connecting rod is connected with it, blocks the first passage and second
Passage, reaches the purpose of closure water check valve, and current will not further flow into gas pipeline and cause pipeline water blocking.
Description of the drawings
Fig. 1 is main view cross-sectional schematic of the first embodiment of this utility model in unimpeded state；
Fig. 2 is main view cross-sectional schematic of the structure shown in Fig. 1 in closure state；
Fig. 3 is the A-A cross-sectional schematics of Fig. 1；
Fig. 4 is the B-B cross-sectional schematics of Fig. 1；
Fig. 5 is the C-C cross-sectional schematics of Fig. 1；
Fig. 6 is the D-D cross-sectional schematics of Fig. 1；
Fig. 7 is the E-E cross-sectional schematics of Fig. 2；
Fig. 8 is the F-F cross-sectional schematics of Fig. 2；
Fig. 9 is the use state schematic diagram in the case of pipeline is correctly connected of the present utility model；
Figure 10 is the use state schematic diagram in the case of pipeline wrong of the present utility model；
Figure 11 is the main view cross-sectional schematic of second embodiment of this utility model；
Figure 12 is the main view cross-sectional schematic that leading truck machine is oriented to the collar in this utility model；
Figure 13 is the main view cross-sectional schematic of the first plug and the second plug another kind embodiment in this utility model；
Figure 14 is the schematic top plan view of Figure 13.
Specific embodiment
Below in conjunction with accompanying drawing and the embodiment for being given, this utility model is further described.
The first embodiment of the present utility model is：
As shown in Fig. 1 ~ 10, a kind of gas pipeline water check valve, with valve body 1, have in the valve body 1 first chamber 1-1,
Second chamber 1-2 and the 3rd chamber 1-3, also with the first pore 1-4, the second pore 1-5, the 3rd pore 1-6 and the 4th pore
1-7, and the first pore 1-4 is gas outlet, the 4th pore 1-7 is air inlet, and first chamber 1-1 is led to second chamber 1-2
Cross the second pore 1-5 to be connected, second chamber 1-2 is connected with the 3rd chamber 1-3 by the 3rd pore 1-6.
As shown in Fig. 1,2,7,8,9,10, also with float valve element 2, the float valve element 2 includes the first plug 3, second
Plug 4, connecting rod 5 and buoyancy aid 6, the buoyancy aid 6 is fixed on one end of connecting rod 5, and the first plug 3 is fixed on the another of connecting rod 5
One end, second plug 4 is fixed in connecting rod 5 and at the top of buoyancy aid 6.
As shown in Fig. 1,2,9,10, first plug 3 is located in second chamber 1-2, and the position of the first plug 3 and the
Three pore 1-6 are corresponding, and the plug 4 of the buoyancy aid 6 and second is located in first chamber 1-1, and the position and second of the second plug 4
Pore 1-5 is corresponding, and the connecting rod 5 is through the second pore 1-5 and connects buoyancy aid 6, the second plug 4 and the first plug 3.
As shown in Fig. 1,2,5,6,9,10, the one end for also having leading truck 1-8, the leading truck 1-8 in the valve body 1 is consolidated
It is scheduled on the inwall of valve body 1, the other end and the connecting rod 5 of leading truck 1-8 are slidably connected.
As shown in Fig. 4,5,6,7,8, the least radius of first plug 3 is r1, the least radius of the second plug 4 is r2,
The radius of the 3rd pore 1-6 is r3, and the radius of the second pore 1-5 is r4, and meet relational expression r1＞ r3, r2＞ r4。
As shown in Fig. 1,2,5,6,9,10,11,12, the other end of the leading truck 1-8 has pilot sleeve 1-8-1, institute
Connecting rod 5 is stated through pilot sleeve 1-8-1 and is slidably connected with pilot sleeve 1-8-1, it is of course also possible to be the leading truck 1-
8 other end has guiding collar 1-8-2, and the connecting rod 5 is slided through guiding collar 1-8-2 and with collar 1-8-2 is oriented to
Connection.
As shown in Fig. 1,2,7,8,9,10,11,13,14, the plug 4 of first plug 3 and second is cylinder, and circle
The upper surface of cylinder is plane, it is of course also possible to be that the plug 4 of first plug 3 and second is stepped ramp type cylinder, it is described
The upper end of the stepped ramp type cylinder of the first plug 3 has the first center frustum 3-1 and first annular end face 3-2, and described second blocks up
The upper end of 4 stepped ramp type cylinder has the second center frustum 4-1 and the second annular end face 4-2, first center frustum
The radius of the upper surface of 3-1 and the second center frustum 4-1 is respectively r3-1, r4-1, the first annular end face 3-2 and the second ring
The exradius of shape end face 4-2 is respectively r3-2, r4-2, and meet relational expression r3-2>r3>r3-1, r4-2>r4>r4-1。
Second embodiment of the present utility model be：
As shown in figure 11, a kind of gas pipeline water check valve, with valve body 1, have in the valve body 1 first chamber 1-1 and
Second chamber 1-2 also has the first pore 1-4, the second pore 1-5 and the 3rd pore 1-6, and the first pore 1-4 is gas outlet,
3rd pore 1-6 is air inlet, and first chamber 1-1 is connected with second chamber 1-2 by the second pore 1-5；
Also there is float valve element 2, the float valve element 2 includes the first plug 3, the second plug 4, connecting rod 5 and buoyancy aid 6,
The buoyancy aid 6 is fixed on one end of connecting rod 5, and the first plug 3 is fixed on the other end of connecting rod 5, and second plug 4 is fixed
In connecting rod 5 and at the top of buoyancy aid 6；
First plug 3 is located in second chamber 1-2, and the position of the first plug 3 is corresponding with the 3rd pore 1-6,
The plug 4 of the buoyancy aid 6 and second is located in first chamber 1-1, and the position of the second plug 4 is corresponding with the second pore 1-5, institute
Connecting rod 5 is stated through the second pore 1-5 and connects buoyancy aid 6, the second plug 4 and the first plug 3；
Also there is leading truck 1-8, one end of the leading truck 1-8 is fixed on the inwall of valve body 1, leads in the valve body 1
It is slidably connected with connecting rod 5 to the other end of frame 1-8.
As shown in Fig. 4,5,6,7,8, the least radius of first plug 3 is r1, the least radius of the second plug 4 is r2,
The radius of the 3rd pore 1-6 is r3, and the radius of the second pore 1-5 is r4, and meet relational expression r1＞ r3, r2＞ r4。
As shown in Fig. 1,2,5,6,9,10,11,12, the other end of the leading truck 1-8 has pilot sleeve 1-8-1, institute
Connecting rod 5 is stated through pilot sleeve 1-8-1 and is slidably connected with pilot sleeve 1-8-1, it is of course also possible to be the leading truck 1-
8 other end has guiding collar 1-8-2, and the connecting rod 5 is slided through guiding collar 1-8-2 and with collar 1-8-2 is oriented to
Connection.
As shown in Fig. 1,2,7,8,9,10,11,13,14, the plug 4 of first plug 3 and second is cylinder, and circle
The upper surface of cylinder is plane, it is of course also possible to be that the plug 4 of first plug 3 and second is stepped ramp type cylinder, it is described
The upper end of the stepped ramp type cylinder of the first plug 3 has the first center frustum 3-1 and first annular end face 3-2, and described second blocks up
The upper end of 4 stepped ramp type cylinder has the second center frustum 4-1 and the second annular end face 4-2, first center frustum
The radius of the upper surface of 3-1 and the second center frustum 4-1 is respectively r3-1, r4-1, the first annular end face 3-2 and the second ring
The exradius of shape end face 4-2 is respectively r3-2, r4-2, and meet relational expression r3-2>r3>r3-1, r4-2>r4>r4-1。
Claims (10)
1. a kind of gas pipeline water check valve, it is characterised in that：
A, with valve body（1）, the valve body（1）It is interior with first chamber（1-1）, second chamber（1-2）With the 3rd chamber（1-
3）, also with the first pore（1-4）, the second pore（1-5）, the 3rd pore（1-6）With the 4th pore（1-7）, and the first pore
（1-4）For gas outlet, the 4th pore（1-7）For air inlet, the first chamber（1-1）With second chamber（1-2）By second
Pore（1-5）It is connected, the second chamber（1-2）With the 3rd chamber（1-3）By the 3rd pore（1-6）It is connected；
B, also have float valve element（2）, the float valve element（2）Including the first plug（3）, the second plug（4）, connecting rod（5）
And buoyancy aid（6）, the buoyancy aid（6）It is fixed on connecting rod（5）One end, the first plug（3）It is fixed on connecting rod（5）It is another
End, second plug（4）It is fixed on connecting rod（5）Above and positioned at buoyancy aid（6）Top at；
C, first plug（3）Positioned at second chamber（1-2）In, and the first plug（3）Position and the 3rd pore（1-6）Phase
Correspondence, the buoyancy aid（6）With the second plug（4）Positioned at first chamber（1-1）In, and the second plug（4）Position and the second gas
Hole（1-5）It is corresponding, the connecting rod（5）Through the second pore（1-5）And connect buoyancy aid（6）, the second plug（4）It is stifled with first
Head（3）；
D, the valve body（1）Inside also there is leading truck（1-8）, the leading truck（1-8）One end be fixed on valve body（1）Inwall
On, leading truck（1-8）The other end and connecting rod（5）It is slidably connected；
E, first plug（3）Least radius be r1, the second plug（4）Least radius be r2, the 3rd pore（1-6）'s
Radius is r3, and the second pore（1-5）Radius be r4, and meet relational expression r1＞ r3, r2＞ r4。
2. gas pipeline water check valve according to claim 1, it is characterised in that：The leading truck（1-8）The other end tool
There is pilot sleeve（1-8-1）, the connecting rod（5）Through pilot sleeve（1-8-1）And and pilot sleeve（1-8-1）The company of slip
Connect.
3. gas pipeline water check valve according to claim 1, it is characterised in that：The leading truck（1-8）The other end tool
There is the guiding collar（1-8-2）, the connecting rod（5）Through the guiding collar（1-8-2）And be oriented to the collar（1-8-2）The company of slip
Connect.
4. gas pipeline water check valve according to claim 1, it is characterised in that：First plug（3）With the second plug
（4）Cylinder is, and the upper surface of cylinder is plane.
5. gas pipeline water check valve according to claim 1, it is characterised in that：First plug（3）With the second plug
（4）It is stepped ramp type cylinder, first plug（3）Stepped ramp type cylinder upper end have the first center frustum（3-1）
And first annular end face（3-2）, second plug（4）Stepped ramp type cylinder upper end have the second center frustum（4-1）
And second annular end face（4-2）, first center frustum（3-1）With the second center frustum（4-1）Upper surface radius point
Wei not r3-1, r4-1, the first annular end face（3-2）With the second annular end face（4-2）Exradius be respectively r3-2, r4-2,
And meet relational expression r3-2>r3>r3-1, r4-2>r4>r4-1。
6. a kind of gas pipeline water check valve, it is characterised in that：
A, with valve body（1）, the valve body（1）It is interior with first chamber（1-1）And second chamber（1-2）Also there is the first pore
（1-4）, the second pore（1-5）With the 3rd pore（1-6）, and the first pore（1-4）For gas outlet, the 3rd pore（1-6）To enter
QI KOU, the first chamber（1-1）With second chamber（1-2）By the second pore（1-5）It is connected；
B, also have float valve element（2）, the float valve element（2）Including the first plug（3）, the second plug（4）, connecting rod（5）
And buoyancy aid（6）, the buoyancy aid（6）It is fixed on connecting rod（5）One end, the first plug（3）It is fixed on connecting rod（5）It is another
End, second plug（4）It is fixed on connecting rod（5）On positioned at buoyancy aid（6）Top at；
C, first plug（3）Positioned at second chamber（1-2）In, and the first plug（3）Position and the 3rd pore（1-6）Phase
Correspondence, the buoyancy aid（6）With the second plug（4）Positioned at first chamber（1-1）In, and the second plug（4）Position and the second gas
Hole（1-5）It is corresponding, the connecting rod（5）Through the second pore（1-5）And connect buoyancy aid（6）, the second plug（4）It is stifled with first
Head（3）；
D, the valve body（1）Inside also there is leading truck（1-8）, the leading truck（1-8）One end be fixed on valve body（1）Inwall
On, leading truck（1-8）The other end and connecting rod（5）It is slidably connected；
E, first plug（3）Least radius be r1, the second plug（4）Least radius be r2, the 3rd pore（1-6）'s
Radius is r3, and the second pore（1-5）Radius be r4, and meet relational expression r1＞ r3, r2＞ r4。
7. gas pipeline water check valve according to claim 6, it is characterised in that：The leading truck（1-8）The other end tool
There is pilot sleeve（1-8-1）, the connecting rod（5）Through pilot sleeve（1-8-1）And and pilot sleeve（1-8-1）The company of slip
Connect.
8. gas pipeline water check valve according to claim 6, it is characterised in that：The leading truck（1-8）The other end tool
There is the guiding collar（1-8-2）, the connecting rod（5）Through the guiding collar（1-8-2）And be oriented to the collar（1-8-2）The company of slip
Connect.
9. gas pipeline water check valve according to claim 6, it is characterised in that：First plug（3）With the second plug
（4）Cylinder is, and the upper surface of cylinder is plane.
10. gas pipeline water check valve according to claim 6, it is characterised in that：First plug（3）With the second plug
（4）It is stepped ramp type cylinder, first plug（3）Stepped ramp type cylinder upper end have the first center frustum（3-1）
And first annular end face（3-2）, second plug（4）Stepped ramp type cylinder upper end have the second center frustum（4-1）
And second annular end face（4-2）, first center frustum（3-1）With the second center frustum（4-1）Upper surface radius point
Wei not r3-1, r4-1, the first annular end face（3-2）With the second annular end face（4-2）Exradius be respectively r3-2, r4-2,
And meet relational expression r3-2>r3>r3-1, r4-2>r4>r4-1。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621179085.5U CN206175785U (en) | 2016-11-03 | 2016-11-03 | Gas pipeline stagnant water valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621179085.5U CN206175785U (en) | 2016-11-03 | 2016-11-03 | Gas pipeline stagnant water valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206175785U true CN206175785U (en) | 2017-05-17 |
Family
ID=58680930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621179085.5U Active CN206175785U (en) | 2016-11-03 | 2016-11-03 | Gas pipeline stagnant water valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206175785U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106352152A (en) * | 2016-11-03 | 2017-01-25 | 常州港华燃气有限公司 | Water check valve of gas pipeline |
-
2016
- 2016-11-03 CN CN201621179085.5U patent/CN206175785U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106352152A (en) * | 2016-11-03 | 2017-01-25 | 常州港华燃气有限公司 | Water check valve of gas pipeline |
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