CN206258322U - A kind of heavy caliber welds the structure for pressure test of valve - Google Patents
A kind of heavy caliber welds the structure for pressure test of valve Download PDFInfo
- Publication number
- CN206258322U CN206258322U CN201621240109.3U CN201621240109U CN206258322U CN 206258322 U CN206258322 U CN 206258322U CN 201621240109 U CN201621240109 U CN 201621240109U CN 206258322 U CN206258322 U CN 206258322U
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- fixed block
- contiguous block
- valve
- seal groove
- block
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Abstract
A kind of structure for pressure test of heavy caliber welding valve includes support frame,Fixing device,Alarm and sealing device,Sealing device includes push rod,Rubber stopper,Nut and plug,The push rod includes the first fixed block,First contiguous block,Second contiguous block,Second fixed block and the 3rd fixed block,The valve for having produced is fixed by fixing device,The two ends of valve are blocked by sealing device,By in the inlet opening of air inlet pipe insertion rubber stopper,Test water is set to enter by inlet opening in the valve of test,Sealing device passes through the first seal groove,Second seal groove,3rd seal groove and rubber stopper are sealed,Test water is set to be gone out from valve two ends,Carry out the compression test of valve,If unqualified alarm will sound,The first seal groove in sealing device,O-ring is equipped with second seal groove and the 3rd seal groove,Strengthen the sealing of sealing device,Push rod is locked by nut,During preventing pressure testing,Because hypertonia,Push rod is caused to be squeezed away.
Description
Technical field
The utility model is related to valve field, is the structure for pressure test that a kind of heavy caliber welds valve.
Background technology
Valve will carry out pressure test before dispatching from the factory, so as to ensure the sealing property and security performance of product.Usually
Whether the ability for examining intensity can meet design, checks the sealing of each sealed interface, sees that whether the rigidity of valve can
The need for meeting transport, lifting, installation, can or can not be deformed or abnormal noise, check all of weld seam or welding groove
With the presence or absence of the seepage of stomata, the critical piece of general value pressure test frock has plug and clip, and this structure for pressure test is main
The small-bore welding valve in, for bigbore welding ends valve, hydraulic test pump chance is limited by the size of valve aperture,
And the structure for pressure test of this clamping hoop type, greatly, the safety and stability of pressure test also can be with bore pressure for manufacturing cost
Increase and reduce.
Utility model content
Regarding to the issue above the utility model proposes the structure for pressure test that a kind of heavy caliber welds valve, ensure that pressure testing is situated between
The sealing of matter, simple structure, for bigbore welding valve, greatly reduces the cost of structure for pressure test, while also improving
Safety and stability during use.
To solve above technical problem, the technical scheme that the utility model is provided is:
A kind of heavy caliber welds the structure for pressure test of valve, it is characterised in that including support frame, fixing device, alarm and
Sealing device, the fixing device is horizontally disposed with, and support frame as described above has two, and support frame is symmetricly set on fixing device bottom,
And be fixedly connected with fixing device, the alarm is arranged on fixing device top, and is fixedly connected with fixing device, described close
Seal apparatus are arranged on fixing device two, and are embedded in sealing device, and sealing device includes push rod, rubber stopper, nut and blocks up
Head, the plug is in cylindrical structure, and the cylindrical of plug is provided with the first seal groove, and center is provided with groove, the groove two ends
Chamfering R1 is provided with, the second seal groove is provided with groove, second seal groove is arranged on groove middle part, and plug is provided with into water
Groove, the intake chamber is arranged on plug top, and the rubber stopper is provided with inlet opening, and the inlet opening is arranged in rubber stopper
Portion, rubber stopper includes the 3rd contiguous block and the 4th fixed block, and the 4th fixed block is in rectangular structure, and the 4th fixed block is vertical
Set, the 3rd contiguous block is in cylindrical structure, the 3rd contiguous block is horizontally disposed with, the 3rd contiguous block one end and the 4th contiguous block
It is fixedly connected, the other end of the 3rd contiguous block is by recess-mounted in plug；
The push rod includes the first fixed block, the first contiguous block, the second contiguous block, the second fixed block and the 3rd fixed block,
First fixed block is in cylinder, and the first fixed block both sides are provided with chamfering R2, and first contiguous block is in cylinder, and first connects
Connect block one end to be fixedly connected with first fixed block one end, the other end is provided with chamfering R3, second contiguous block is in cylinder, second
Contiguous block one end is fixedly connected with the first fixed block other end, and the second contiguous block other end is provided with chamfering R4, and described second fixes
Block is in cylinder, and second fixed block one end is fixedly connected with the first contiguous block other end, and the second fixed block other end is provided with chamfering
R5, the 3rd fixed block is in cylinder, and the 3rd fixed block one end is fixedly connected with the second contiguous block other end, the 3rd fixed block
The other end is provided with chamfering R6, and the 3rd fixed block is provided with external screw thread, and the nut side is provided with the 3rd seal groove, and nut is by outer
Screw thread is connected with the 3rd fixed block；
It is further described, R1=R2=R5=R6=45 °, R3=R4=60 °；
It is further described, it is equipped with O-ring in the first seal groove, the second seal groove and the 3rd seal groove.
The beneficial effects of the utility model are：
A kind of heavy caliber welds the structure for pressure test of valve, and the valve for having produced is fixed by fixing device, the two ends of valve
Blocked by sealing device, by the inlet opening of air inlet pipe insertion rubber stopper, test water is entered test by inlet opening
In valve, sealing device is sealed by the first seal groove, the second seal groove, the 3rd seal groove and rubber stopper, uses test
Water cannot go out from valve two ends, carry out the compression test of valve, if unqualified alarm will sound, in sealing device
O-ring is equipped with first seal groove, the second seal groove and the 3rd seal groove, the sealing of sealing device is strengthened, it is to avoid
During pressure testing, because poor sealing, pressure testing process is caused to make a fault, so that underproof valve pin is sold, top
Bar is locked by nut, prevents during pressure testing, because hypertonia, causes push rod to be squeezed away, this structure for pressure test simple structure,
The cost of structure for pressure test is greatly reduced, pressure testing can be carried out to bigbore welding valve, meet consumer demand, this
Structure for pressure test also improves the safety-type and stability during use.
Brief description of the drawings
Fig. 1 structure for pressure test structure charts.
Fig. 2 sealing device structure figures.
Fig. 3 push rod structure figures.
Fig. 4 stopper structure figures.
Fig. 5 nut structure figures.
Specific embodiment
A kind of heavy caliber welds the structure for pressure test of valve, it is characterised in that including support frame 1, fixing device 2, alarm 3
With sealing device 4, the fixing device 2 be horizontally disposed with, support frame as described above 1 has two, and support frame 1 is symmetricly set on fixing device
2 bottoms, and be fixedly connected with fixing device 2, the alarm 3 is arranged on the top of fixing device 2, and is fixed with fixing device 2
Connection, the sealing device 4 is arranged on fixing device 2 two, and is embedded in sealing device 4, sealing device 4 include push rod 5,
Rubber stopper 6, nut 7 and plug 8, the plug 8 are in cylindrical structure, and the cylindrical of plug 8 is provided with the first seal groove 9, center
Groove 10 is provided with, the two ends of the groove 10 are provided with chamfering R1, groove 10 and are provided with the second seal groove 11, second seal groove 11
The middle part of groove 10 is arranged on, plug 8 is provided with intake chamber 12, and the intake chamber 12 is arranged on the top of plug 8, the rubber stopper 6
Inlet opening 13 is provided with, the inlet opening 13 is arranged on the middle part of rubber stopper 6, and rubber stopper 6 includes that the 3rd contiguous block 14 and the 4th is solid
Determine block 15, the 4th fixed block 15 is in rectangular structure, and the 4th fixed block 15 is vertically arranged, and the 3rd contiguous block 14 is in circle
Column structure, the 3rd contiguous block 14 is horizontally disposed with, and the one end of the 3rd contiguous block 14 is fixedly connected with the 4th contiguous block, the 3rd contiguous block
14 other end is embedded in plug 8 by intake chamber 12；
The push rod 5 includes the first fixed block 16, the first contiguous block 17, the second contiguous block 18, the second fixed block 19 and the
Three fixed blocks 20, first fixed block 16 is in cylinder, and the both sides of the first fixed block 16 are provided with chamfering R2, first contiguous block
17 is in cylinder, and the one end of the first contiguous block 17 is fixedly connected with the one end of the first fixed block 16, and the other end is provided with chamfering R3, and described the
Two contiguous blocks 18 are in cylinder, and the one end of the second contiguous block 18 is fixedly connected with the other end of the first fixed block 16, the second contiguous block 18
The other end is provided with chamfering R4, and second fixed block 19 is in cylinder, and the one end of the second fixed block 19 is another with the first contiguous block 17
End is fixedly connected, and the other end of the second fixed block 19 is provided with chamfering R5, and the 3rd fixed block 20 is in cylinder, the 3rd fixed block 20
One end is fixedly connected with the other end of the second contiguous block 18, and the other end of the 3rd fixed block 20 is provided with chamfering R6, on the 3rd fixed block 20
External screw thread 21 is provided with, the side of the nut 7 is provided with the 3rd seal groove 22, and nut 7 is connected by external screw thread 21 with the 3rd fixed block 20
Connect；
It is further described, R1=R2=R5=R6=45 °, R3=R4=60 °；
It is further described, it is equipped with O-ring 23 in the first seal groove 9, the second seal groove 11 and the 3rd seal groove 22.
The above, only the utility model preferably specific embodiment, but protection domain of the present utility model is not
This is confined to, any one skilled in the art can readily occur in the technical scope that the utility model is disclosed
Change or replacement, should all cover in protection domain of the present utility model.Therefore, protection domain of the present utility model should be with
The protection domain of claims is defined.
Claims (3)
1. a kind of heavy caliber welds the structure for pressure test of valve, it is characterised in that including support frame, fixing device, alarm and close
Seal apparatus, the fixing device is horizontally disposed with, and support frame as described above has two, and support frame is symmetricly set on fixing device bottom, and
It is fixedly connected with fixing device, the alarm is arranged on fixing device top, and is fixedly connected with fixing device, the sealing
Device is arranged on fixing device two, and is embedded in sealing device, and sealing device includes push rod, rubber stopper, nut and plug,
The plug is in cylindrical structure, and the cylindrical of plug is provided with the first seal groove, and center is provided with groove, and the groove two ends are provided with
Chamfering R1, is provided with the second seal groove in groove, second seal groove is arranged on groove middle part, and plug is provided with intake chamber, institute
State intake chamber and be arranged on plug top, the rubber stopper is provided with inlet opening, and the inlet opening is arranged on rubber stopper middle part, rubber
Plug includes the 3rd contiguous block and the 4th fixed block, and the 4th fixed block is in rectangular structure, and the 4th fixed block is vertically arranged, institute
The 3rd contiguous block is stated in cylindrical structure, the 3rd contiguous block is horizontally disposed with, the 3rd contiguous block one end is fixed with the 4th contiguous block and connected
Connect, the other end of the 3rd contiguous block is by recess-mounted in plug；
The push rod includes the first fixed block, the first contiguous block, the second contiguous block, the second fixed block and the 3rd fixed block, described
First fixed block is in cylinder, and the first fixed block both sides are provided with chamfering R2, and first contiguous block is in cylinder, the first contiguous block
One end is fixedly connected with first fixed block one end, and the other end is provided with chamfering R3, and second contiguous block is in cylinder, the second connection
Block one end is fixedly connected with the first fixed block other end, and the second contiguous block other end is provided with chamfering R4, and second fixed block is in
Cylinder, second fixed block one end is fixedly connected with the first contiguous block other end, and the second fixed block other end is provided with chamfering R5, institute
The 3rd fixed block is stated in cylinder, the 3rd fixed block one end is fixedly connected with the second contiguous block other end, and the 3rd fixed block is another
End is provided with chamfering R6, and the 3rd fixed block is provided with external screw thread, and the nut side is provided with the 3rd seal groove, and nut passes through external screw thread
It is connected with the 3rd fixed block.
2. a kind of heavy caliber as claimed in claim 1 welds the structure for pressure test of valve, it is characterised in that R1=R2=R5=R6=
45 °, R3=R4=60 °.
3. a kind of heavy caliber as claimed in claim 1 welds the structure for pressure test of valve, it is characterised in that the first seal groove, the
O-ring is equipped with two seal grooves and the 3rd seal groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621240109.3U CN206258322U (en) | 2016-11-21 | 2016-11-21 | A kind of heavy caliber welds the structure for pressure test of valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621240109.3U CN206258322U (en) | 2016-11-21 | 2016-11-21 | A kind of heavy caliber welds the structure for pressure test of valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206258322U true CN206258322U (en) | 2017-06-16 |
Family
ID=59025612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621240109.3U Active CN206258322U (en) | 2016-11-21 | 2016-11-21 | A kind of heavy caliber welds the structure for pressure test of valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206258322U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106596276A (en) * | 2016-11-21 | 2017-04-26 | 扬中市阀门厂有限公司 | Pressure testing tool for large-calibre welded valve |
-
2016
- 2016-11-21 CN CN201621240109.3U patent/CN206258322U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106596276A (en) * | 2016-11-21 | 2017-04-26 | 扬中市阀门厂有限公司 | Pressure testing tool for large-calibre welded valve |
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| GR01 | Patent grant |