CN207514445U - A kind of Hardware fitting for valve connection - Google Patents
A kind of Hardware fitting for valve connection Download PDFInfo
- Publication number
- CN207514445U CN207514445U CN201721666969.8U CN201721666969U CN207514445U CN 207514445 U CN207514445 U CN 207514445U CN 201721666969 U CN201721666969 U CN 201721666969U CN 207514445 U CN207514445 U CN 207514445U
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- CN
- China
- Prior art keywords
- flange
- valve
- connecting tube
- annulus
- hollow nut
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of Hardware fittings for valve connection,Including valve body,Valve body is equipped with valve rod,Left connecting tube and right connecting tube,Left connecting tube left end is connected with first flange in turn,Annulus retainer plate,In take over,Second flange and the first connecting tube,First flange,Annulus retainer plate and second flange three are fixed by long bolt,Right connecting tube right end is equipped with annulus sealing block,Right connecting pipe box are connected to hollow nut,Hollow nut right end is connected with annulus pulling plate,The second connecting tube is inserted in hollow nut,Annular confinement block is installed on the outside of second connecting tube left end,Valve can be mounted on more polytypic or the pipe of type,Applicability is wide,Turn nut and hollow nut can complete the dismounting or installation to valve,The maintenance and replacement of valve are more convenient,The design of sealing ring and annulus sealing block not only makes valve will not gas leakage,Also valve connecting component is made not to be broken easily,Extend the service life of valve connections.
Description
Technical field
The utility model is related to valve connections technical field, specially a kind of Hardware fittings for valve connection.
Background technology
Valve（Valve）It is the mechanical device of flow, flow direction, pressure, the temperature of fluid media (medium) etc. of control flowing, valve
It is component basic in pipe-line system.Valve pipe fitting technically with pump, begged for often as an individual classification
By.Manual or handwheel, handle or pedal operation can be used in valve, can also be by controlling the pressure to change fluid media (medium), temperature
Degree and changes in flow rate.Valve can carry out these variations operation that is continuous or repeating, such as in hot-water heating system or steam boiler
The safety valve of installation.In more complicated control system according to external input（It adjusts and flows through the continually changing set-point of pipeline）'s
It needs using autocontrol valve.Autocontrol valve is not required to manual operation according to its input and setting, accurately controls valve
The requirements of fluid media (medium).Valve is also divided into cast iron valve according to material, cast steel valve, stainless valve, chrome-molybdenum steel valve,
Chrominm-molybdenum-vanadium steel valve, dual phase steel valve, Plastic valve, nonstandard customized grade valves material.
The connection mode of valve includes：Flanged joint, to folder connection, butt welding connection, be threadedly coupled, cutting ferrule connection, clip
The types of attachment such as connection, self sealss connection.1st, flanged joint:Flanged joint is valve body both ends with the method on flange, with pipeline
Orchid is corresponding, is bolted flange installation in the duct.Flanged joint is type of attachment with the most use in valve.Flange has
Point of convex surface (rf), plane (ff), male and female face (mf) etc..2nd, folder connecting valve is mounted among two panels flange, led on valve body
Often there is location hole so that installation to be facilitated to position, valve and both ends pipeline are directly worn to the type of attachment clipped together with bolt.3rd, it welds
Butt welding connection is connect in succession：Butt welding groove is processed into valve body both ends by butt welding welding requirements, corresponding with pipeline welding groove, passes through weldering
It connects and is fixed on pipeline.Socket weld connects：Valve body both ends are processed by socket weld requirement, are connect with pipeline by socket weld.4th, spiral shell
Line connects：Threaded connection is a kind of connection method of simplicity, is usually used in minor valve.Valve body is processed by each thread standard, there is interior spiral shell
Two kinds of line and external screw thread.It is corresponding with screw thread on pipeline.5th, cutting ferrule connects：Just grow up in recent years in China, its connection and close
It is that, when tightening nut, cutting ferrule is under pressure to seal principle, its blade is made to bite tube outer wall, and cutting ferrule male cone (strobilus masculinus) is again under stress
It is closely sealed with fittings body inner conical surface, it is thus possible to be reliably prevented leakage.Such as instrument valve.6th, clamp connection:This is a kind of quick
Connection method, it only needs two bolts, suitable for the low pressure valve often dismantled.Such as hygiene valve.
But there are following defects for existing valve connections：
（1）The connection mode of general valve and pipe is all the mode by directly welding, the position of welding not only it is easy because
Pressure and be broken, so as to make valve gas leakage, and the mode welded is repaired replacing or dismantling valve when, is incomparably troublesome,
Need to expend staff it is a large amount of when and energy；
（2）The connector at valve both ends is generally all relatively simple, and intensity is not high, and adaptability is relatively narrow, can be only installed at certain
On the pipe of a little certain fixing models.
Invention content
In order to overcome the shortcomings of prior art, the pipeline of valve is hardly damaged, valve can be mounted on more polytypic or
On the pipe of type, applicability is wide, the maintenance of valve and simpler, faster, the design of sealing ring and annulus sealing block of replacement
Not only make valve will not gas leakage, valve performance is more stable, and also making valve, connecting component will not be easily when being vibrated or pressure
Fracture extends the connector service life of valve, can effectively solve the problem that the problem of background technology proposes.
Technical solution is used by the utility model solves its technical problem：
A kind of Hardware fitting for valve connection, including valve body, the top end of the valve body is inserted with valve rod, and the valve body is left
End and right end are separately installed with left connecting tube and right connecting tube；
The left connecting tube is welded with first flange, and the first flange left end, which is taken in being equipped with and both ends are taken over in, to be consolidated
Surely the two annulus retainer plates connected take over left side and are equipped with second flange in described, the second flange is connected with the first connection
Pipe, the first flange, annulus retainer plate and second flange three are fixed together by several long bolts；
The right connecting tube right end is equipped with annulus sealing block by groove, passes through threaded engagement on the outside of the right connecting tube
There is hollow nut, the hollow nut right end is connected with annulus pulling plate, and the second connecting tube is inserted in the hollow nut, described
The annular confinement block in hollow nut is installed on the outside of second connecting tube left end.
Further, one end of the first flange and second flange is equipped with annular groove, and the left connecting tube, first connect
It takes in the annular groove for being plugged in first flange, second flange respectively.
Further, several mounting holes are equidistantly equipped on the first flange, second flange and annulus retainer plate, it is described
Long bolt passes through four mounting holes, and is arranged on long bolt there are five nut and six spacer for bolt.
Further, it is accompanied between the first flange and annulus retainer plate, between second flange and annulus retainer plate
Sealing ring.
Further, the face that the right side of the annulus sealing block againsts the left side of annular confinement block and the two is affixed is equal
For inclined-plane, the internal diameter of the annulus pulling plate is smaller than the outer diameter of annular confinement block.
Compared with prior art, the beneficial effects of the utility model are：
（1）It is the circle for taking over both ends in by two flanges between the left connecting tube and the first connecting tube of the utility model
Ring retainer plate is fixed together and connects, and bonding strength is big, and the pipeline of valve left end is hardly damaged, and right connecting tube connects with second
Make the two closely coupled using the turn of hollow nut between taking over, valve can be mounted on more polytypic or the pipe of type
On, applicability is wide；
（2）The dismounting or installation to valve can be completed by turn nut and hollow nut for the utility model, valve
Maintenance and replacement are simpler, faster；
（3）Accompanied between the flange of the utility model and annulus retainer plate sealing ring, right connecting tube and the second connecting tube it
Between be separated with annulus sealing block, these sealing elements not only make valve will not gas leakage, valve performance is more stable, and valve is also made to be shaken
It swings or connecting component will not be broken easily during pressure, the connector service life of valve is long.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model；
Enlarged structure schematic diagrams of the Fig. 2 for A in Fig. 1 of the utility model；
Fig. 3 is the right connecting tube normal cross-section structure diagram of the utility model.
Figure label：
1- valve bodies;2- valve rods；The left connecting tubes of 3-；The right connecting rods of 4-；It is taken in 5-；6- annulus retainer plates；7- second flanges；
The first connecting tubes of 8-；9- long bolts；10- hollow nuts；11- annulus sealing blocks；12- annulus pulling plates；The second connecting tubes of 13-；14-
Annular confinement block；15- annular grooves；16- mounting holes；17- sealing rings；18- first flanges；
901- nuts；902- spacer for bolt.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
As shown in Figure 1, the utility model provides a kind of Hardware fitting for valve connection, including valve body 1, the valve
1 top of body is inserted with valve rod 2, and control valve rod 2 can make the uninterrupted of fluid in valve switch or control valve.The valve body
1 left end and right end are separately installed with left connecting tube 3 and right connecting tube 4.
As shown in Fig. 2, the left connecting tube 3 is welded with first flange 18, take over 5 during 18 left end of first flange is equipped with
With two annulus retainer plates 6 that 5 both ends of take over are fixedly connected in, it is described in the left side of take over 5 be equipped with second flange 7, described the
Two flanges 7 are connected with the first connecting tube 8, and second flange 7 is welded on the right end of the first connecting tube 8, the first flange 18, annulus
Retainer plate 6 and 7 three of second flange are fixed together by several long bolts 9, in take over 5, the first connecting tube 8 and the second connection
Pipe 14 is made of hardware material, and intensity is big, and by the first connecting tube 8, the second connecting tube 14 with after the welding of main line pipe, often
During secondary replacement valve, only need turn nut 902 and hollow nut 10 that valve can easily be changed to repair or replacement, save
The repair time of pipeline.
Preferably, as shown in Fig. 2, between the first flange 18 and annulus retainer plate 6, second flange 7 consolidates with annulus
Surely sealing ring 17 is accompanied between circle 6, the connection during sealing ring 17 both makes between take over 5 and two flanges is closer, and seals
Circle 17 has elasticity, and take over 5 and two flanges are not easy to wear in making, and extend the service life of valve connections.Described
One end of one flange 18 and second flange 7 is equipped with annular groove 15, and the left connecting tube 3, the first connecting tube 8 are plugged in respectively
One flange 18, second flange 7 annular groove 15 in, connecting tube is plugged in the annular groove 15 of flange and welds again, alleviates welding
Burden, welding is lighter, and welding surface becomes larger, and flange is not easy to be detached from from connecting tube, valve connections more more stable and stronger.
As shown in Fig. 2, several mounting holes are equidistantly equipped on the first flange 18, second flange 7 and annulus retainer plate 6
16, long bolt 9 is plugged in equally distributed mounting hole 16 on end face of flange, makes the connection of flange and annulus retainer plate 6 more
Add stabilization.The long bolt 9 passes through four mounting holes 16, and four mounting holes 16 are two methods being located on the same line respectively
The mounting hole on mounting hole 16 and two annulus retainer plates 6 on orchid, and be arranged on long bolt there are five nut 901 and six spiral shells
Bolt gasket 902, by first flange 18, the annulus retainer plate 6 of 5 right end of take over in is closely joined together two nuts 901, separately
By second flange 7, the annulus retainer plate 6 of 5 left end of take over in is closely joined together two nuts 902, so as to make left connecting tube
3rd, take over 5,8 three of the first connecting tube are closely joined together in, ensure that the stability of valve.
It is noted that epimere nut 902 puts on the step of long bolt 9 is：As shown in Fig. 2, first make one end of long bolt 9
The mounting hole of the annulus retainer plate 6 of 5 right end of take over in of first flange 18 is injected, then traversing through end puts on two nuts 901, so
The left end of long bolt 9 is made to be pierced by the mounting hole of second flange 7 afterwards, covers a nut in the left and right end cap of long bolt 9 respectively,
Last 901 complete companion flange of tightening nut is fixedly connected with annulus retainer plate 6.
As shown in figure 3,4 right end of right connecting tube is equipped with annulus sealing block 11 by groove, outside the right connecting tube 4
There is hollow nut 10 in side by threaded engagement, and 10 right end of hollow nut is connected with annulus pulling plate 12, the hollow nut 10
The second connecting tube 13 is inside inserted with, the annular limitation in hollow nut 10 is installed on the outside of second connecting tube, 13 left end
Block 14, the face that the right side of the annulus sealing block 11 againsts the left side of annular confinement block 14 and the two is affixed is inclined-plane,
The contact area bigger of annular confinement block 14 and annulus sealing block 11, sealing performance are more preferable.The internal diameter ratio of the annulus pulling plate 12
The outer diameter of annular confinement block 14 is small, when making the outside precession to the left of the upper right connecting tube 4 of 10 sets of hollow nut, annulus pulling plate 12
Annular confinement block 14 can be driven to left dislocation, so as to which annular confinement block 14 be made to generate extruding force to annulus sealing block 11, make pipe with
Connection between valve is closer, will not gas leakage or leak.
The right connecting tube 4 of the epimere step closely coupled with the second connecting tube 13 be：As shown in figure 3, turn hollow nut 10,
Make the turn to the left of hollow nut 10, then annulus pulling plate 12 will pull annular confinement block 14 to left dislocation, annular confinement block 14
It is closely affixed with annulus sealing block 11, completes the close connection of right 4 and second connecting tube 14 of connecting tube.Here hollow nut
10 be hex nut, makes 10 turn of hollow nut using spanner, more easily.
It should be added that as shown in Figures 2 and 3, the annulus sealing block 11 and sealing ring 17 of the utility model are equal
It is made of expanded PTFE material, expanded PTFE has creep resistant, anti-cold flow, resistance to ultralow temperature, pollution-free, easy
The excellent properties installed and changed.Under the pretightning force of very little, even if can be born in sizable under pressure oscillation environment again
Pressure is highly suitable for coarse or abrasion injustice and breakaway glass face flange, temperature alternating sealing occasion.Even if i.e. flange table
Face is coarse, can also make that the connection between flange and pipe is even closer, and leakproofness greatly reinforces.And expanded PTFE has one
Fixed elasticity in compression deformation, can all fill up in the gap between two object contact surfaces, and resistance to pressure is high, in valve and pipe
Connecting portion be pressurized or when being vibrated by external world, the annulus sealing block 11 and sealing ring 17 that polytetrafluoroethylene material makes and also
It can play the role of buffering, the being completely embedded property of pipe and valve is made not reduce, extends the service life of valve connections.
In conclusion the utility model is mainly characterized by：
（1）Left connecting tube and right connecting tube are different from the connection mode of pipe, and valve can be mounted on more type kinds
On pipe, applicability is wide；
（2）The dismounting or installation to valve can be completed in turn nut and hollow nut, and the maintenance and replacement of valve are simpler
It is single, faster；
（3）Seal member is equipped between flange and annulus retainer plate, between right connecting tube and the second connecting tube, is not only made
Valve will not gas leakage, valve connecting component when being vibrated or pressure is also made not to be broken easily, the connector of valve uses
Long lifespan is more stablized.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned exemplary embodiment, and
And in the case of the spirit or essential attributes without departing substantially from the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that by containing in the equivalent requirements of the claims is fallen
All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
Claims (5)
1. a kind of Hardware fitting for valve connection, including valve body（1）, it is characterised in that：The valve body（1）Top is inserted with
Valve rod（2）, the valve body（1）Left end and right end are separately installed with left connecting tube（3）With right connecting tube（4）；
The left connecting tube（3）It is welded with first flange（18）, the first flange（18）Left end is taken in being equipped with（5）With in
It takes over（5）Two annulus retainer plates that both ends are fixedly connected（6）, taken in described（5）Left side is equipped with second flange（7）, it is described
Second flange（7）It is connected with the first connecting tube（8）, the first flange（18）, annulus retainer plate（6）And second flange（7）Three
Person passes through several long bolts（9）It is fixed together；
The right connecting tube（4）Right end is equipped with annulus sealing block by groove（11）, the right connecting tube（4）Outside passes through spiral shell
Line is occluding with hollow nut（10）, the hollow nut（10）Right end is connected with annulus pulling plate（12）, the hollow nut（10）
Inside it is inserted with the second connecting tube（13）, second connecting tube（13）It is equipped on the outside of left end positioned at hollow nut（10）Interior ring
Shape confinement block（14）.
2. a kind of Hardware fitting for valve connection according to claim 1, it is characterised in that：The first flange
（18）And second flange（7）One end be equipped with annular groove（15）, the left connecting tube（3）, the first connecting tube（8）It plugs respectively
In first flange（18）, second flange（7）Annular groove（15）It is interior.
3. a kind of Hardware fitting for valve connection according to claim 1, it is characterised in that：The first flange
（18）, second flange（7）With annulus retainer plate（6）On equidistantly be equipped with several mounting holes（16）, the long bolt（9）Across four
A mounting hole（16）, and it is arranged that there are five nuts on long bolt（901）With six spacer for bolt（902）.
4. a kind of Hardware fitting for valve connection according to claim 1, it is characterised in that：The first flange
（18）With annulus retainer plate（6）Between, second flange（7）With annulus retainer plate（6）Between accompany sealing ring（17）.
5. a kind of Hardware fitting for valve connection according to claim 1, it is characterised in that：The annulus sealing block
（11）Right side against annular confinement block（14）Left side and the face that is affixed of the two be inclined-plane, the annulus pulling plate（12）
Internal diameter than annular confinement block（14）Outer diameter it is small.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721666969.8U CN207514445U (en) | 2017-12-05 | 2017-12-05 | A kind of Hardware fitting for valve connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721666969.8U CN207514445U (en) | 2017-12-05 | 2017-12-05 | A kind of Hardware fitting for valve connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207514445U true CN207514445U (en) | 2018-06-19 |
Family
ID=62542926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721666969.8U Expired - Fee Related CN207514445U (en) | 2017-12-05 | 2017-12-05 | A kind of Hardware fitting for valve connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207514445U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109340488A (en) * | 2018-11-21 | 2019-02-15 | 泰州华然不锈钢制品有限公司 | A kind of steel flange limit telescopic connector |
| CN113606417A (en) * | 2021-08-04 | 2021-11-05 | 远大阀门集团有限公司 | Universal screw limiting type pipeline compensation joint with indicating mechanism |
| CN114517514A (en) * | 2022-02-23 | 2022-05-20 | 中铁二局集团建筑有限公司 | Domestic sewage collection device |
-
2017
- 2017-12-05 CN CN201721666969.8U patent/CN207514445U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109340488A (en) * | 2018-11-21 | 2019-02-15 | 泰州华然不锈钢制品有限公司 | A kind of steel flange limit telescopic connector |
| CN113606417A (en) * | 2021-08-04 | 2021-11-05 | 远大阀门集团有限公司 | Universal screw limiting type pipeline compensation joint with indicating mechanism |
| CN113606417B (en) * | 2021-08-04 | 2024-04-30 | 远大阀门集团有限公司 | General screw limiting type pipeline compensation joint with indicating mechanism |
| CN114517514A (en) * | 2022-02-23 | 2022-05-20 | 中铁二局集团建筑有限公司 | Domestic sewage collection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180619 Termination date: 20191205 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |