CN203115336U - Connecting structure of valve and pipe fitting - Google Patents
Connecting structure of valve and pipe fitting Download PDFInfo
- Publication number
- CN203115336U CN203115336U CN201220728357.8U CN201220728357U CN203115336U CN 203115336 U CN203115336 U CN 203115336U CN 201220728357 U CN201220728357 U CN 201220728357U CN 203115336 U CN203115336 U CN 203115336U
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- CN
- China
- Prior art keywords
- valve
- pipe fitting
- snap ring
- locking nut
- linkage structure
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- 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.)
- Withdrawn - After Issue
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Abstract
The utility model provides a connecting structure of a valve and a pipe fitting, which belongs to the technical field of valves and is used for solving the problems of difficulty in connecting the conventional valve with pipe fitting, low connecting efficiency and the like. According to the connecting structure of the valve and the pipe fitting, one end of the pipe fitting extends into the valve; a snap ring is sleeved on the outer side of the pipe fitting; one end of the snap ring is provided with an inclined embedding surface; ports at the two ends of the valve are provided with guide surfaces matched with the embedding surface of the snap ring; a locking nut is further sleeved on the outer side of the pipe fitting; the snap ring is embedded between the pipe fitting and the valve, and is used for fixedly connecting the pipe fitting with the valve through the locking nut; and the locking nut is fixedly connected with the valve through a screw thread. The connecting structure of the valve and the pipe fitting has the advantages of convenience in installing, high installing efficiency, low installing cost, and the like.
Description
Technical field
The utility model belongs to valve technology field, relates to the linkage structure of a kind of valve and pipe fitting.
Background technique
Need to use Component such as a large amount of valves and pipe fitting in the transporting system of fluid or gas, the sealing of valve and the linkage structure of pipe fitting, working life, complexity of being connected etc. all will directly have influence on overall performance, installation efficiency, installation cost of transporting system etc.
The interconnection technique of existing valve and pipe fitting is a kind of to be to be connected by welding, an end that is about to pipe fitting extend into feed-water end or the waterexit end of valve, be connected by welding in the feed-water end of valve or the port of waterexit end and the outer tube wall of pipe fitting again, during welding, because temperature is higher, can make pipe fitting and valve produce certain deformation, influence the attractive in appearance of product, and control is not in place easily in the welding process, be easy to generate defectives such as pore, slag inclusion and leakage weldering, so when using welding procedure connection pipe fitting and valve, connect trouble, joint efficiency is low.
Another kind is that comparatively traditional screw thread adds the sealing strip connection, namely process outside thread in the outside of pipe fitting, process internal thread at waterexit end or the feed-water end of valve, sealing strip is wrapped in the outside thread place of pipe fitting, be threaded by rotation, pipe fitting is connected with valve.But existing, this kind Placement on-the-spot trouble is installed, and problem such as working life is low.
Summary of the invention
The purpose of this utility model is at the above-mentioned problems in the prior art, provide a kind of have on-the-spot easy for installation, installation efficiency is high, installation cost is low and the valve of advantage such as long service life and the linkage structure of pipe fitting.
The purpose of this utility model can realize by following technical proposal: the linkage structure of a kind of valve and pipe fitting, one end of pipe fitting extend in the valve, it is characterized in that, the outside of described pipe fitting is with snap ring, one end of above-mentioned snap ring has the embedding face of inclination, the port at described valve two ends all has the guide surface that the embedding face with above-mentioned snap ring is complementary, the outside of described pipe fitting also is with locking nut, make snap ring be embedded between pipe fitting and the valve and both are connected mutually by locking nut, above-mentioned locking nut and valve are connected by screw thread.
During connection, successively locking nut, snap ring are enclosed within the outside of pipe fitting, end with pipe fitting extend in the feed-water end or waterexit end of valve again, push snap ring to valve by promoting locking nut, the end that snap ring has an embedding face slides to the inside of valve, rotational lock nut along the guide surface of valve port, locking nut and valve body screw thread are connected, in the process of rotational lock nut, what snap ring was darker is embedded in the valve body, in the mode of hard extruding pipe fitting and valve is connected mutually.By the rotational lock nut valve and pipe fitting are connected mutually, easy to connect, the installation efficiency height, installation cost is low, and snap ring is to be made by metallic material, and is not fragile, long service life.
In the linkage structure of above-mentioned a kind of valve and pipe fitting, described guide surface is tapered.Mill out an intilted tapered guide surface in the port of valve, easy to process, the work efficiency height.
In the linkage structure of above-mentioned a kind of valve and pipe fitting, the angle of described guide surface and valve central axis is between 20 °-40 °.The embedding face that the guide surface of valve port and snap ring tilt is complementary, and the setting of this kind angle makes things convenient for the embedding of snap ring, and is laborsaving during the rotational lock nut, easy for installation, the installation efficiency height.
In the linkage structure of above-mentioned a kind of valve and pipe fitting, the angle of described embedding face and valve central axis is between 10 °-30 °.The embedding face of snap ring one end setting is complementary with the guide surface of valve port, and the setting of this kind angle makes things convenient for the embedding of snap ring, and is laborsaving during the rotational lock nut, easy for installation, the installation efficiency height.
In the linkage structure of above-mentioned a kind of valve and pipe fitting, the two ends of described snap ring all have the embedding face of inclination.This kind structure when mounted, need not specially to adjust the direction of snap ring, and the two ends of snap ring all have embedding face, all can be embedded in the valve, and is easy for installation.
In the linkage structure of above-mentioned a kind of valve and pipe fitting, have annular retaining edge on the described locking nut, described annular retaining is along the other end that is resisted against above-mentioned snap ring.The annular retaining, makes locking nut can promote snap ring and is embedded between valve and the pipe fitting during locking along blocking snap ring, and is simple in structure.
Compared with prior art, the valve that provides of the utility model and the linkage structure of pipe fitting have the following advantages:
1, the linkage structure of this valve and pipe fitting promotes snap ring by locking nut, and snap ring is embedded between valve and the pipe fitting, and the form by hard extruding is connected valve and pipe fitting, and is easy to connect, the installation efficiency height.
2, an end of the snap ring of the linkage structure of this valve and pipe fitting has the embedding face of inclination, the port of valve has the guide surface that is complementary with the plane of inclination, snap ring along this guide surface can be darker be embedded between valve and the pipe fitting valve and pipe fitting easy to connect, the firm degree height of connection.
Description of drawings
Fig. 1 is the overall structure sectional view of the linkage structure of this valve and pipe fitting.
Fig. 2 is this valve and the enlarged view in the A district of linkage structure Fig. 1 of pipe fitting.
Among the figure, 1, pipe fitting; 2, valve; 2a, guide surface; 3, snap ring; 3a, embedding face; 4, locking nut; 4a, annular retaining edge.
Embodiment
Below be specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As shown in Figure 1, valve 2 comprises valve body, spool and valve rod, and the inside of valve body is cavity, two ends, the left and right sides are respectively feed-water end and waterexit end, and the week of feed-water end and waterexit end all has outside thread laterally, and spool is positioned at valve body, the inner of valve rod links to each other with spool, and stretch out outside the valve body outer end.The entrance point of valve body and the port of outlet end all have an intilted tapered guide surface 2a, in the present embodiment, the angle of guide surface 2a and valve 2 central axis is 30 °, in actual production, the angle of guide surface 2a and valve 2 central axis can be made other angles, as long as convenient the installation.
The entrance point of the external diameter of pipe fitting 1 and valve 2 and the internal diameter of outlet end are complementary, one end of pipe fitting 1 stretches in the entrance point of valve body, the outside of pipe fitting 1 is with locking nut 4, one end of locking nut 4 has the annular retaining along 4a, in the external diameter of pipe fitting 1, the other end of locking nut 4 has internal thread along the slightly larger in diameter of 4a for annular retaining.The outside of pipe fitting 1 also is with the snap ring of being made by metallic material 3, the internal diameter of snap ring 3 is slightly larger than the external diameter of pipe fitting 1, the two ends of snap ring 3 all have the embedding face 3a of inclination, in the present embodiment, the angle of embedding face 3a and valve 2 central axis is 20 °, and in actual production, the angle that embeds face 3a and valve 2 central axis can be made other angles, as long as be complementary with the guide surface 2a of the port of valve 2, the convenient installation gets final product.
During installation, locking nut 4 and snap ring 3 are enclosed within the outside that pipe fitting 1 is used for installing an end successively, one end of pipe fitting 1 is extend into the feed-water end of valve body, promote locking nut 4 axially moving towards valve 2 along pipe fitting 1, the annular retaining of locking nut 4 drives snap ring 3 axially moving towards valve 2 along pipe fitting 1 along 4a, rotational lock nut 4, the internal thread of locking nut 4 and the outside thread screw thread of valve inleting water end are connected, in the process of rotational lock nut 4, the embedding face 3a of snap ring 3 is embedded between the guide surface 2a and pipe fitting 1 of valve 2, continue rotational lock nut 4, locking nut 4 promotes snap ring 3, makes snap ring 3 continue to be deep in the valve 2 along the guide surface 2a of valve 2 ports, by the form of hard extruding, make valve 2, snap ring 3 is connected mutually with pipe fitting 1, thereby finishes being connected of pipe fitting 1 and valve 2.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper has used pipe fitting 1, valve 2, guide surface 2a, snap ring 3, embedded face 3a, locking nut 4, annular retaining along terms such as 4a morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present utility model more easily; They are construed to any additional restriction all is contrary with the utility model spirit.
Claims (6)
1. the linkage structure of a valve and pipe fitting, one end of pipe fitting (1) extend in the valve (2), it is characterized in that, the outside of described pipe fitting (1) is with snap ring (3), one end of above-mentioned snap ring (3) has the embedding face (3a) of inclination, the port at described valve (2) two ends all has the guide surface (2a) that the embedding face (3a) with above-mentioned snap ring (3) is complementary, the outside of described pipe fitting (1) also is with locking nut (4), make snap ring (3) be embedded between pipe fitting (1) and the valve (2) and both are connected mutually by locking nut (4), above-mentioned locking nut (4) is connected by screw thread with valve (2).
2. the linkage structure of a kind of valve according to claim 1 and pipe fitting is characterized in that, (2a) is tapered for described guide surface.
3. the linkage structure of a kind of valve according to claim 1 and 2 and pipe fitting is characterized in that, the angle of described guide surface (2a) and valve (2) central axis is between 20 °-40 °.
4. the linkage structure of a kind of valve according to claim 1 and pipe fitting is characterized in that, the angle of described embedding face (3a) and valve (2) central axis is between 10 °-30 °.
5. the linkage structure of a kind of valve according to claim 1 and pipe fitting is characterized in that, the two ends of described snap ring (3) all have the embedding face (3a) of inclination.
6. the linkage structure of a kind of valve according to claim 1 and pipe fitting is characterized in that, has the annular retaining on the described locking nut (4) along (4a), and described annular retaining is resisted against the other end of above-mentioned snap ring (3) along (4a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220728357.8U CN203115336U (en) | 2012-12-26 | 2012-12-26 | Connecting structure of valve and pipe fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220728357.8U CN203115336U (en) | 2012-12-26 | 2012-12-26 | Connecting structure of valve and pipe fitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203115336U true CN203115336U (en) | 2013-08-07 |
Family
ID=48895684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220728357.8U Withdrawn - After Issue CN203115336U (en) | 2012-12-26 | 2012-12-26 | Connecting structure of valve and pipe fitting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203115336U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104390042A (en) * | 2014-11-28 | 2015-03-04 | 苏州福润机械有限公司 | Valve connector |
| CN106287038A (en) * | 2016-09-06 | 2017-01-04 | 东莞金兆顺五金工业有限公司 | A kind of feed liquor leak-proof device |
| CN109477585A (en) * | 2016-07-12 | 2019-03-15 | 赛巴株式会社 | The connecting component of air-tightness is maintained using elastic force and is provided with its valve |
-
2012
- 2012-12-26 CN CN201220728357.8U patent/CN203115336U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104390042A (en) * | 2014-11-28 | 2015-03-04 | 苏州福润机械有限公司 | Valve connector |
| CN109477585A (en) * | 2016-07-12 | 2019-03-15 | 赛巴株式会社 | The connecting component of air-tightness is maintained using elastic force and is provided with its valve |
| CN106287038A (en) * | 2016-09-06 | 2017-01-04 | 东莞金兆顺五金工业有限公司 | A kind of feed liquor leak-proof device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130807 Effective date of abandoning: 20210406 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20130807 Effective date of abandoning: 20210406 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |