CN206175673U - Screw thread protection type blowoff valve - Google Patents
Screw thread protection type blowoff valve Download PDFInfo
- Publication number
- CN206175673U CN206175673U CN201621164962.1U CN201621164962U CN206175673U CN 206175673 U CN206175673 U CN 206175673U CN 201621164962 U CN201621164962 U CN 201621164962U CN 206175673 U CN206175673 U CN 206175673U
- Authority
- CN
- China
- Prior art keywords
- valve body
- screw thread
- protection type
- steel ball
- valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 23
- 239000010959 steel Substances 0.000 claims abstract description 23
- 238000007789 sealing Methods 0.000 claims abstract description 16
- 238000010276 construction Methods 0.000 claims abstract description 7
- 230000013011 mating Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
Abstract
The utility model relates to a screw thread protection type blowoff valve, including valve body, outer hex bolts, steel ball, the main valve body and seal gasket, the valve body be the right -angle tee tubular construction, and the right -hand member of valve body straight tube passes through the pipe connection of external screw thread and the main valve body, and the steel ball setting is in the valve pocket of valve body, and the left end of valve body straight tube is equipped with the internal thread, the interior screw thread fit connection of outer hex bolts and valve body, and outer hex bolts pushes up on the steel ball, and the valve body branch pipe is the blow off pipe, and valve body and main valve are equipped with seal gasket between personally experiencing sth. Part of the body, and seal gasket is located the external screw thread right side. The utility model discloses simple structure, sealing performance is good, can be used to special operating mode ball valve and emptys or the blowdown.
Description
Technical field
The utility model is related to valve technology field, more particularly to a kind of screw thread protection type blowoff valve.
Background technology
Blowoff valve is mainly used in ball valve blowdown use, and existing blowoff valve is mainly made up of valve body, valve element, steel ball, valve body with
Using threaded connection, medium may be flowed out main valve body by screw thread during blowdown, influence the clean and tidy of blowoff valve, so that
It is difficult the performance and used life of guarantee product.
Utility model content
The utility model aims to provide screw thread protection type blowoff valve, good seal performance.
To reach above-mentioned purpose, the technical solution adopted in the utility model is as follows：
A kind of screw thread protection type blowoff valve, including valve body, outer-hexagonal bolt, steel ball, main valve body and gasket seal, the valve
Body is right-angle tee tubular construction, and the right-hand member of valve body straight tube is connected by external screw thread with the pipeline of main valve body, and the steel ball is arranged on
In the valve pocket of valve body, the left end of the valve body straight tube is provided with internal thread, and the outer-hexagonal bolt connects with the screw-internal thread fit of valve body
Connect, outer-hexagonal bolt is withstood on steel ball, valve body branch pipe is blow-off pipe, and gasket seal is provided between the valve body and main valve body, close
Gasket is located at external screw thread right side.
Further, sealing ring is provided between the valve body and main valve body, the sealing ring is located at external screw thread left side.
Further, the valve body right-hand member has convex neck, and the gasket seal is sleeved on convex neck.
Further, screw thread protection type blowoff valve also includes interior hexagonal cylindrical end holding screw, the interior hexagonal cylindrical end
Holding screw one end passes perpendicularly through body wall and withstands on outer-hexagonal bolt, and the outer-hexagonal bolt is step axle construction, outward six
The big one end of corner bolt diameter is withstood on steel ball, and the interior hexagonal cylindrical end holding screw is located at step surface left side, described interior six
Angle cylinder end clamping fixed screw has two, and two interior hexagonal cylindrical end holding screws are just right.
Further, the interior hexagonal cylindrical end holding screw is located at the end of valve body.
Further, the exit end face linear sealing of the steel ball and valve body straight tube right-hand member inlet tube.
Further, the outer-hexagonal bolt and the mating surface of steel ball are sphere.
Further, the sealing ring is O-ring seal.
Compared with prior art, the utility model has the advantages that：
1. the utility model simple structure, good seal performance, can be used for the emptying of special operation condition ball valve or blowdown；
2. the utility model sets interior hexagonal cylindrical end holding screw, and the stroke of external hex bolts 2 is limited, prevented
Excessively unscrewing outer-hexagonal bolt causes medium to be leaked from straight tube left end.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the internal structure schematic diagram of valve body in the utility model；
In figure：Hexagonal cylindrical end holding screw, 5- main valve bodies, 6- are close in 1- valve bodies, 2- outer-hexagonals bolt, 3- steel balls, 4-
The convex neck of gasket, 7-, 8- external screw threads, 9- sealing rings.
Specific embodiment
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing, to this reality
It is further elaborated with new.
As shown in Figure 1, 2, screw thread protection type blowoff valve disclosed in the utility model, including valve body 1, outer-hexagonal bolt 2, steel
Ball 3, main valve body 5 and gasket seal 6, as shown in Fig. 2 valve body 1 is right-angle tee tubular construction, the right-hand member of the straight tube of valve body 1 is by outer
Screw thread 8 is connected with the pipeline of main valve body 5, and steel ball 3 is arranged in the valve pocket of valve body 1, and the left end of the straight tube of valve body 1 is provided with internal thread,
Outer-hexagonal bolt 2 is connected with the screw-internal thread fit of valve body 1, and outer-hexagonal bolt 2 is withstood on steel ball 3, preferably, outer-hexagonal bolt
2 is sphere, the exit end face linear sealing of steel ball 3 and the straight tube right-hand member inlet tube of valve body 1 with the mating surface of steel ball 3.
The branch pipe of valve body 1 is blow-off pipe, and gasket seal 6 is provided between valve body 1 and main valve body 5, and gasket seal 6 is located at external screw thread
8 right sides.The right-hand member of valve body 1 has convex neck 7, and gasket seal 6 is sleeved on convex neck 7.Sealing ring is provided between valve body 1 and main valve body 5
9, sealing ring 9 is located at the left side of external screw thread 8.Sealing ring 9 is O-ring seal.The outer spiral shell of gasket seal 6 and O-ring seal to valve body 1
Line section is sealed, and prevents medium from being revealed between valve body 1 and main valve body 5, improves the sealing property of blowoff valve.
Screw thread protection type blowoff valve also includes interior hexagonal cylindrical end holding screw 4, the one end of interior hexagonal cylindrical end holding screw 4
Pass perpendicularly through the side wall of valve body 1 to withstand on outer-hexagonal bolt 2, outer-hexagonal bolt 2 is step axle construction, the diameter of outer-hexagonal bolt 2 is big
One end withstand on steel ball 3, interior hexagonal cylindrical end holding screw 4 is located at step surface left side, and interior hexagonal cylindrical end holding screw 4 has
Two, two interior hexagonal cylindrical end holding screws 4 are just right.Preferably, interior hexagonal cylindrical end holding screw 4 is located at valve body 1
End.Interior hexagonal cylindrical end holding screw 4 can limit the stroke of outer-hexagonal bolt 2, prevent from excessively unscrewing outer-hexagonal bolt 2 and make
Leaked from straight tube left end into medium.Certain the utility model is also applied for atmospheric valve.
The utility model simple structure, good seal performance can be used for the emptying of special operation condition ball valve or blowdown.
Certainly, the utility model can also have other numerous embodiments, without departing substantially from the utility model spirit and its essence
In the case of, those of ordinary skill in the art can make various corresponding changes and deformation, but these according to the utility model
Corresponding change and deformation should all belong to the scope of the claims appended by the utility model.
Claims (8)
1. a kind of screw thread protection type blowoff valve, it is characterised in that:Including valve body (1), outer-hexagonal bolt (2), steel ball (3), main valve
Body (5) and gasket seal (6), the valve body (1) are right-angle tee tubular construction, and the right-hand member of valve body (1) straight tube passes through external screw thread (8)
Pipeline with main valve body (5) is connected, and the steel ball (3) is arranged in the valve pocket of valve body (1), the left end of valve body (1) straight tube
Internal thread is provided with, the outer-hexagonal bolt (2) is connected with the screw-internal thread fit of valve body (1), and outer-hexagonal bolt (2) withstands on steel ball
(3) on, valve body (1) branch pipe is blow-off pipe, and gasket seal (6), gasket seal are provided between the valve body (1) and main valve body (5)
(6) positioned at external screw thread (8) right side.
2. screw thread protection type blowoff valve according to claim 1, it is characterised in that：The valve body (1) and main valve body (5) it
Between be provided with sealing ring (9), the sealing ring (9) is positioned at external screw thread (8) left side.
3. screw thread protection type blowoff valve according to claim 1, it is characterised in that：Valve body (1) right-hand member has convex neck
(7), the gasket seal (6) is sleeved on convex neck (7).
4. screw thread protection type blowoff valve according to claim 1, it is characterised in that：Also include interior hexagonal cylindrical end clamp screw
Nail (4), described interior hexagonal cylindrical end holding screw (4) one end passes perpendicularly through valve body (1) side wall and withstands on outer-hexagonal bolt (2),
The outer-hexagonal bolt (2) is step axle construction, and the big one end of outer-hexagonal bolt (2) diameter is withstood on steel ball (3), described interior six
Angle cylinder end clamping fixed screw (4) has two, six in two positioned at step surface left side, the interior hexagonal cylindrical end holding screw (4)
Angle cylinder end clamping fixed screw (4) is just right.
5. screw thread protection type blowoff valve according to claim 4, it is characterised in that：The interior hexagonal cylindrical end holding screw
(4) positioned at the end of valve body (1).
6. screw thread protection type blowoff valve according to claim 1, it is characterised in that：The steel ball (3) and valve body (1) straight tube
The exit end face linear sealing of right-hand member inlet tube.
7. screw thread protection type blowoff valve according to claim 1, it is characterised in that：The outer-hexagonal bolt (2) and steel ball
(3) mating surface is sphere.
8. screw thread protection type blowoff valve according to claim 2, it is characterised in that：The sealing ring (9) is O-shaped sealing
Circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621164962.1U CN206175673U (en) | 2016-10-25 | 2016-10-25 | Screw thread protection type blowoff valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621164962.1U CN206175673U (en) | 2016-10-25 | 2016-10-25 | Screw thread protection type blowoff valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206175673U true CN206175673U (en) | 2017-05-17 |
Family
ID=58679837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621164962.1U Active CN206175673U (en) | 2016-10-25 | 2016-10-25 | Screw thread protection type blowoff valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206175673U (en) |
-
2016
- 2016-10-25 CN CN201621164962.1U patent/CN206175673U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 67, Section 1, Xueshan Avenue, Dayi County, Chengdu City, Sichuan Province, 611330 Patentee after: Chengdu Chenggao Valve Co.,Ltd. Patentee after: CHENGDU CHENGFENG VALVE Co.,Ltd. Address before: 611330 67 Industrial Avenue, Jinyuan Town, Dayi, Chengdu, Sichuan Patentee before: CHENGDU CHENG GAO VALVE Co.,Ltd. Patentee before: CHENGDU CHENGFENG VALVE Co.,Ltd. |