CN205824252U - A kind of pressure measurement gas valve - Google Patents
A kind of pressure measurement gas valve Download PDFInfo
- Publication number
- CN205824252U CN205824252U CN201620774743.9U CN201620774743U CN205824252U CN 205824252 U CN205824252 U CN 205824252U CN 201620774743 U CN201620774743 U CN 201620774743U CN 205824252 U CN205824252 U CN 205824252U
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- Prior art keywords
- valve
- sealing cap
- detection
- pressure measurement
- measurement gas
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- 238000009530 blood pressure measurement Methods 0.000 title claims abstract description 30
- 238000007789 sealing Methods 0.000 claims abstract description 70
- 238000001514 detection method Methods 0.000 claims abstract description 57
- 239000011148 porous material Substances 0.000 claims abstract description 6
- 238000007689 inspection Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 36
- 239000000567 combustion gas Substances 0.000 description 10
- 238000009434 installation Methods 0.000 description 9
- 238000011900 installation process Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- Measuring Fluid Pressure (AREA)
Abstract
This utility model provides a kind of pressure measurement gas valve, belongs to field of mechanical technique.It solve when the gas valve of existing band pressure tester uses out of doors be more easily damaged, problem that safety is low.It includes valve body, valve body two ends are respectively inlet end and outlet side, inlet end sidepiece connects detection pipe, offer, in detection pipe, the detection hole being connected with inlet end vertically, being provided with valve inside in detection hole, detection pipe upper end has the installing hole communicated with detection hole, is bolted with sealing cap in installing hole, the upper surface sealing cap not higher than detects the end face of pipe, and the upper surface sealing cap is provided with the connecting pore for being connected with instrument.It is difficult to when having outdoor use to be destroyed, safety advantages of higher.
Description
Technical field
This utility model belongs to field of mechanical technique, relates to a kind of gas valve, particularly relates to a kind of pressure measurement gas valve.
Background technology
Along with the development of society, the extensive application of new forms of energy, combustion gas has become as necessary fuel industrial and in life
The energy, universal huge numbers of families, are to have to use in daily life.In the installation process of gas pipeline, often apply to
Gas valve, to realize being adjusted the flow of combustion gas in pipeline.And during using gas pipeline, people usually can meet
To the situation that the burner intensity of a fire is the most prosperous or the most on fire, at this moment people just cannot judge it is owing in gas pipeline, combustion gas air pressure is not enough
Causing or owing to the problem of burner own is caused, in order to solve this problem, people are by pacifying in the air inlet pipe of gas valve
Combustion gas air pressure in gas pipeline is detected by dress pressure tester, judges that intensity of a fire reason the most prosperous or the most on fire is with this
The no combustion gas air pressure deficiency by gas pipeline is caused.
Such as applicant it is proposed that the gas valve [application number: 200810120670.1] of a kind of band pressure tester crossed, it wraps
Including and have the valve body of air inlet pipe and escape pipe, valve rod and be positioned at the spool of valve body, valve rod one end is connected with spool, and the other end is worn
Going out valve body, air inlet pipe has pressure tap, be provided with pressure tester outside air inlet pipe, air inlet pipe is provided with and is axially fixed in air inlet
On pipe and the valve pocket that can circumferentially rotate, pressure tester is connected on valve pocket, and pressure tester is pressure valve, and pressure valve one end is connected in
On valve pocket, the other end is provided with sealing cap and is connected with sealing cap thread.
But, in place of the gas valve of this band pressure tester there is also some shortcomings: although sealing cap and pressure valve screw thread
Connect, but sealing cap is again directly to be screwed onto outside pressure valve upper end, can directly dismantle sealing cap from pressure valve with hands
Getting off, this gas valve allowing for this band pressure tester is only applicable in user family, and is not suitable for open air, if being surveyed by this band
The gas valve of pressure device is when outdoor, and sealing cap can be disassembled by direct hands from bonnet by other people, the gas in pressure valve
Outside door core will be directly exposed to, so that valve inside is easy to just maliciously to be destroyed by other people, cause pressure valve
Place's gas leakage, affects the safety in utilization of whole gas valve.
Summary of the invention
The purpose of this utility model is the problems referred to above existed for prior art, it is proposed that a kind of pressure measurement gas valve, institute
Solve the technical problem that it is how to improve safety when pressure measurement gas valve uses out of doors.
The purpose of this utility model can be realized by following technical proposal:
A kind of pressure measurement gas valve, including valve body, described valve body two ends are respectively inlet end and outlet side, described air inlet
Side portion connects detection pipe, offers the detection hole being connected with inlet end, described inspection vertically in described detection pipe
Valve inside it is provided with, it is characterised in that described detection pipe upper end has the installing hole communicated with detection hole, described peace in gaging hole
Being bolted with sealing cap in dress hole, the described upper surface sealing cap not higher than detects the end face of pipe, the described upper table sealing cap
Face is provided with the connecting pore for being connected with instrument.
When sealing cap is installed, the connecting pore of the specific purpose tool installed and sealing cap upper surface is connected, passes through special tool
Tool band movable sealing cap rotates and is screwed onto in the installing hole of detection pipe, owing to sealing the upper surface not higher than inspection of cap after installation
The end face of test tube, then stranger just cannot remove out by sealing cap in the case of without specific purpose tool from detection pipe, thus
Prevent the valve inside in detection pipe to suffer other people malicious sabotage to have influence on normal detection, improve this pressure measurement gas valve out of doors
Safety during use.
In above-mentioned pressure measurement gas valve, the described lower end sealing cap and installing hole bolt, described sealing cap
Upper end has ring-type shoulder block, and the outside of described ring-type shoulder block has the contact surface of taper, and the hole wall of described installing hole has
The confined planes of taper, described contact surface is had to lean with confined planes.
Driving with instrument during installation seals in the installing hole that cap screws on detection pipe, along with the continuous rotation sealing cap lower end
Enter, when the confined planes sealing contact surface tapered outside the ring-type shoulder block of cap upper end tapered with on the hole wall of installing hole offsets
By time, the stroke that is spirally connected sealing cap reaches maximum, thus prevents sealing cap and miss opened by valve inside because excessively screwing in.
In above-mentioned pressure measurement gas valve, the described upper surface sealing cap flushes with the end face of detection pipe.
The end face of the upper surface and detection pipe that seal cap flushes, and so, cannot pass through in addition to using specific purpose tool
Other means dismount sealing cap.
In above-mentioned pressure measurement gas valve, at the described bottom centre sealing cap, there is shrinkage pool, described valve inside
Head stretches in shrinkage pool.
At the bottom centre sealing cap, shrinkage pool is set, primarily to make the head of valve inside stretch into shrinkage pool when mounted
In, prevent the bottom sealing cap from touching mutually with the head of valve inside when mounted and making valve inside move inward and be opened.
In above-mentioned pressure measurement gas valve, in described valve body, it is provided with spool and valve rod, described valve rod one end and spool phase
Connection, the other end of valve rod stretches out outside valve body, and the vertical line of the centrage of described valve rod is total to mutually with the vertical line of the centrage of detection pipe
Line.
The vertical line of valve rod centrage and the vertical line conllinear of detection tube hub line, so can ensure that valve rod is with detection pipe all the time
It is in approximately the same plane, thus can easily valve rod be operated when pressure measurement, control the keying of valve.
In above-mentioned pressure measurement gas valve, there is outside described sealing cap annular mounting groove, described annular mounting groove
Inside being provided with sealing ring, the outer edge surface of described sealing ring withstands on the hole wall of installing hole.
Sealing ring is set in sealing the annular mounting groove outside cap, makes the outer edge surface of sealing ring withstand on the hole wall of installing hole
On, so so that form valve inside in detection pipe and seal the dual-seal of cap, more safe and reliable.
Compared with prior art, this pressure measurement gas valve, by being screwed onto sealing cap in the installing hole of detection pipe, makes sealing
The upper surface of cap not higher than detects the end face of pipe after mounting, so that other people cannot in the case of without special installation tool
Sealing cap is taken apart from detection pipe, well prevent the valve inside in detection pipe and had influence on by other people malicious sabotage
Normal pressure measuring function, improves safety when this combustion gas pressure valve uses out of doors；It addition, sealing the ring-type of cap upper end
The contact surface of taper is set outside shoulder block, the hole wall of installing hole arranges the confined planes of taper, by sealing in cap installation process
Contact surface contacts with confined planes and limits sealing the cap stroke that is spirally connected, and prevents sealing cap and misses gas because excessively screwing in
Men Xin opens.
Accompanying drawing explanation
Fig. 1 is the sectional view of this pressure measurement gas valve.
Fig. 2 is to detect the sectional view at pipe in this pressure measurement gas valve.
Fig. 3 is the sectional view sealing cap in this pressure measurement gas valve.
Fig. 4 is sectional view when sealing cap that is not spirally connected in detection pipe in this pressure measurement gas valve.
Fig. 5 is the top view of this pressure measurement gas valve.
In figure, 1, valve body；1a, inlet end；1b, outlet side；2, detection pipe；2a, pressure tap；2b, installing hole；2b1, spacing
Face；3, valve inside；4, cap is sealed；4a, connecting pore；4b, ring-type shoulder block；4b1, contact surface；4c, shrinkage pool；4d, annular mounting groove；
5, spool；6, valve rod；7, sealing ring；8, handle.
Detailed description of the invention
The following is specific embodiment of the utility model and combine accompanying drawing, the technical solution of the utility model is made further
Description, but this utility model is not limited to these embodiments.
Embodiment one
As shown in Figure 1 and Figure 5, a kind of pressure measurement gas valve, including valve body 1, valve body 1 two ends respectively inlet end 1a with give vent to anger
End 1b, is provided with spool 5 and valve rod 6 in valve body 1, valve rod 6 one end is connected with spool 5, and valve rod 6 other end stretches out outside valve body 1 and connects
It is connected to handle 8.Inlet end 1a sidepiece connects detection pipe 2, and inlet end 1a sidepiece is provided with the hole, location being connected with inlet end 1a,
Detection pipe 2 lower end is screwed onto in hole, location.In the present embodiment, the vertical line of pipe 2 centrage and the vertical line of valve rod 6 centrage are detected
Phase conllinear, it is ensured that detection pipe 2 is always positioned in approximately the same plane with valve rod 6, so can grasp valve rod 6 more easily
Making, when pressure measurement, the keying to valve is controlled.
As depicted in figs. 1 and 2, the inlet end of detection hole 2a, detection hole 2a and valve body 1 is offered in detection pipe 2 vertically
1a is connected, and (concrete structure of valve inside 3 can refer to Application No. 200810120670.1 to be provided with valve inside 3 in detection hole 2a
Middle valve inside and the structure of mandrel), detection pipe 2 upper end has installing hole 2b, installing hole 2b and is connected with detection hole 2a.Installing hole
It is provided with sealing cap 4 in 2b, seals lower end and the installing hole 2b bolt of cap 4, seal, at the bottom centre of cap 4, there is shrinkage pool 4c,
The head of valve inside 3 stretches in shrinkage pool 4c.
As shown in Figure 2, Figure 3 and Figure 4, the upper end sealing cap 4 has ring-type shoulder block 4b, and the outside of ring-type shoulder block 4b has cone
The contact surface 4b1 of shape, the hole wall of installing hole 2b has the confined planes 2b1 of taper, and contact surface 4b1 leans with confined planes 2b1.
Sealing and have annular mounting groove 4d outside cap 4, annular mounting groove 4d is positioned at the lower section of ring-type shoulder block 4b, sets in annular mounting groove 4d
Sealing ring 7, the outer edge surface of sealing ring 7 is had to withstand on the hole wall of installing hole 2b.Seal the upper surface of cap 4 and the end face of detection pipe 2
Flushing, the upper surface sealing cap 4 offers connecting pore 4a.
Sealing cap 4 utilizes special installation tool to install, and inserts a tool into the connection sealing cap 4 upper surface during installation
Formed in knot hole 4a and connect, then rotated by instrument band movable sealing cap 4 and formed with the installing hole 2b on detection pipe 2 and be spirally connected,
Valve inside 3 in detection hole 2a is opened, when sealing cap 4 upper end ring-type shoulder block 4b to prevent sealing cap 4 from excessively screwing in by mistake
When the tapered confined planes 2b1 tapered with on installing hole 2b hole wall for contact surface 4b1 in outside contacts, seal being spirally connected of cap 4
Stroke reaches maximum, and sealing cap 4 cannot be screwed inwardly into again, and the upper surface sealing cap 4 after installation is mutually neat with the end face of detection pipe 2
Flat.
This pressure measurement gas valve is mainly used in open air, and valve body 1 is erected connection gas pipeline.When needing pressure measurement, first will
Valve closing, also utilize installation tool by seal cap 4 screw out detection pipe 2 installing hole 2b outside, then by pressure gauge with
Detection pipe 2 links together, and valve inside 3 can inwardly be extruded after being connected with detection pipe 2 by pressure gauge, so that detection hole 2a will
Detection pipe 2 is connected with the inlet end 1a of valve body 1, and the combustion gas in such pipeline will be from the inlet end 1a of valve body 1 by detection
Hole 2a enters into detection pipe 2 and enters eventually in pressure valve, the most just can accurately measure the combustion gas air pressure in pipeline.
This combustion gas pressure valve is by being screwed onto sealing cap 4 in the installing hole 2b of detection pipe 2, and the upper surface sealing cap 4 exists
After installation, the end face with detection pipe 2 flushes, and so stranger cannot adopt in the case of without special installation tool
Take apart sealing cap 4 from the installing hole 2b of detection pipe 2 by other ways such that it is able to prevent from well detecting in pipe 2
Other people malicious sabotage of valve inside 3 rounds and have influence on normal pressure measuring function, improve the safety of this combustion gas pressure valve well
Property.
Specific embodiment described herein is only to this utility model spirit explanation for example.This utility model institute
Belong to those skilled in the art described specific embodiment to make various amendment or supplement or use similar
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Claims (6)
1. a pressure measurement gas valve, including valve body (1), described valve body (1) two ends are respectively inlet end (1a) and outlet side
(1b), described inlet end (1a) sidepiece connects detection pipe (2), offers vertically and air inlet in described detection pipe (2)
The detection hole (2a) that end (1a) is connected, is provided with valve inside (3) in described detection hole (2a), it is characterised in that described inspection
Test tube (2) upper end has the installing hole (2b) communicated with detection hole (2a), is bolted with sealing cap in described installing hole (2b)
(4), the upper surface of described sealing cap (4) not higher than detects the end face of pipe (2), and the upper surface of described sealing cap (4) is provided with
For the connecting pore (4a) being connected with instrument.
Pressure measurement gas valve the most according to claim 1, it is characterised in that the lower end of described sealing cap (4) and installing hole
(2b) bolt, the upper end of described sealing cap (4) has ring-type shoulder block (4b), and the outside of described ring-type shoulder block (4b) has
The contact surface (4b1) of taper, the hole wall of described installing hole (2b) has the confined planes (2b1) of taper, described contact surface
(4b1) lean with confined planes (2b1).
Pressure measurement gas valve the most according to claim 2, it is characterised in that the upper surface of described sealing cap (4) and detection
The end face of pipe (2) flushes.
Pressure measurement gas valve the most according to claim 3, it is characterised in that have at the bottom centre of described sealing cap (4)
Shrinkage pool (4c), the head of described valve inside (3) is had to stretch in shrinkage pool (4c).
5. according to the pressure measurement gas valve described in claim 1 or 2 or 3 or 4, it is characterised in that be provided with valve in described valve body (1)
Core (5) and valve rod (6), described valve rod (6) one end is connected with spool (5), and the other end of valve rod (6) stretches out valve body (1) outward, described
The vertical line of centrage of valve rod (6) and the vertical line phase conllinear of centrage of detection pipe (2).
6. according to the pressure measurement gas valve described in claim 1 or 2 or 3 or 4, it is characterised in that described sealing cap (4) outside tool
There is annular mounting groove (4d), in described annular mounting groove (4d), be provided with sealing ring (7), the outer edge surface of described sealing ring (7)
Withstand on the hole wall of installing hole (2b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620774743.9U CN205824252U (en) | 2016-07-19 | 2016-07-19 | A kind of pressure measurement gas valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620774743.9U CN205824252U (en) | 2016-07-19 | 2016-07-19 | A kind of pressure measurement gas valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205824252U true CN205824252U (en) | 2016-12-21 |
Family
ID=57559997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620774743.9U Active CN205824252U (en) | 2016-07-19 | 2016-07-19 | A kind of pressure measurement gas valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205824252U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110792800A (en) * | 2019-11-15 | 2020-02-14 | 日丰企业（佛山）有限公司 | Gas valve |
-
2016
- 2016-07-19 CN CN201620774743.9U patent/CN205824252U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110792800A (en) * | 2019-11-15 | 2020-02-14 | 日丰企业（佛山）有限公司 | Gas valve |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |