CN209484098U - A kind of socket weld union - Google Patents
A kind of socket weld union Download PDFInfo
- Publication number
- CN209484098U CN209484098U CN201822029832.2U CN201822029832U CN209484098U CN 209484098 U CN209484098 U CN 209484098U CN 201822029832 U CN201822029832 U CN 201822029832U CN 209484098 U CN209484098 U CN 209484098U
- Authority
- CN
- China
- Prior art keywords
- connector
- hole
- socket joint
- nut
- joint hole
- 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 socket weld unions, belong to pipeline union piece field, its key points of the technical solution are that including nut, internal screw thread is provided on the inner wall of the nut, it further include the first connector and the second connector, second connector is connected in nut, second connector stretches out nut, external screw thread is provided on first connector, first connector is connect with nut thread, first connector is provided with the first socket joint hole and the first recirculation hole, second connector is provided with the second socket joint hole and the second recirculation hole, and the first socket joint hole and the coaxial arrangement of the second socket joint hole, the advantages of this socket weld union, is that steel pipe is facilitated to be fixed on union, staff is facilitated to carry out welding.
Description
Technical field
The utility model relates to pipeline union piece field, in particular to a kind of socket weld union.
Background technique
Union is a kind of common conduit coupling that can facilitate installing and dismounting as a kind of connecting pipe, is widely applied
It is connected in the pipeline of multiple industries such as feedwater piping, gas pipeline.Union generally by nut, cloud cluster, flush three part groups
It at, cloud cluster and flushes for the both ends pipe in connecting pipe, cloud cluster peace is connect and connected by intermediate nut.
Currently, disclosing a kind of anti-explosion movable joint such as Chinese patent literature CN104565603A in the prior art, have the
One connector and the second connector and the nut for connecting two connectors；First connector and the second connector are internal screw thread, the first connector and
Sealing ring is additionally provided between two joints；First connector, the second connector and nut surface all have antirust coat.
This anti-explosion movable joint is connected through a screw thread mode and is fixedly connected with pipeline, but public in the nipple due to pipeline
Claim size to there is limitation, such as some customization steel pipes used on ship or special vehicle, the flat shoulder of pipe of standard can not be used
The connection of nipple form, can only be fixedly connected by welding, now design a kind of loose joint used when being welded and fixed
Head.
Utility model content
The purpose of the utility model is to provide a kind of socket weld unions, the advantage is that and steel pipe is facilitated to be fixed on loose joint
On head, staff is facilitated to carry out welding.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of socket weld union, including nut are provided with internal screw thread on the inner wall of the nut, further include first connecing
Head and the second connector, second connector are connected in nut, and second connector stretches out nut, are arranged on first connector
There is external screw thread, first connector is connect with nut thread, and first connector is provided with the first socket joint hole and the first recirculation hole, institute
It states the second connector and is provided with the second socket joint hole and the second recirculation hole, and the first socket joint hole and the coaxial arrangement of the second socket joint hole.
By using above-mentioned technical proposal, when use, the second connector is connected in nut first, first is connect later
Mouthful and nut thread cooperation, so that first interface, the second connector and nut is become an entirety, steel pipe be plugged into the respectively later
In one socket joint hole and the second socket joint hole, guarantees two steel pipe coaxial arrangements, there is good concentricity, steel pipe is facilitated to be fixed on work
On connector, last staff welds together steel pipe and union, at this time the inner hole of steel pipe and the first recirculation hole and second
Stream connection guarantees that water can cross union with normal stream.
Further, first socket joint hole and the coaxial arrangement of the first recirculation hole and stepped, first socket joint
Pore radius is greater than the first recirculation hole radius.
By using above-mentioned technical proposal, when steel pipe is inserted into the first socket joint hole, the end face of steel pipe can be held with first
The ground of jack offsets, and steel pipe is avoided to be excessively inserting the first socket joint hole.
Further, second socket joint hole and the second recirculation hole are arranged coaxially and stepped, and described second holds
Jack radius is greater than the second recirculation hole radius, and the first socket joint hole is identical with the second socket joint pore radius；First recirculation hole and
Two recirculation hole radiuses are identical.
By using above-mentioned technical proposal, the steel pipe in the second socket joint hole and the first socket joint hole grafting same size, steel pipe
It can offset with the bottom surface in the second socket joint hole, prevent steel pipe excessive insertion into the second socket joint hole.
Further, first recirculation hole is provided with groove, second recirculation hole away from the one end in the first socket joint hole
One end away from the second socket joint hole be provided with protrusion, the groove offsets with protrusion.
By using above-mentioned technical proposal, groove offsets with protrusion, keeps the first recirculation hole and the second recirculation hole even closer
Link together, be conducive to improve junction sealing performance.
Further, the surface of the groove is arranged in circular arc, and the protrusion is arranged in a ring, the outer surface of the protrusion
It is arranged in circular arc.
By using above-mentioned technical proposal, since the surface of groove is set in the outer surface of circular arc setting and protrusion in circular arc
It sets, protrusion is facilitated to slide into groove, and further increase the contact surface area of protrusion and groove, be conducive to protrusion and slope
The even closer fitting of mouth.
Further, the rib of annular is provided in the nut, the rib, which is located at, does not have internal thread one end, described
The flange contradicted with rib is provided on the outer surface of second interface.
By using above-mentioned technical proposal, when the second connector is plugged in nut, rib and flange offset, and avoid
Two connectors fall off from nut.
Further, there are gaps between first connector and the second connector.
By using above-mentioned technical proposal, since when steel pipe uses, steel pipe will appear mobile situation, due to
One connector and the second connector are fixedly connected with steel pipe, so the first connector and the second connector move together with steel pipe, gap
As the activity surplus of the second connector, the first connector and the second connector mutual extrusion is avoided to deform.
Further, the internal screw thread and external screw thread per inch at least four enclose screw thread engagement.
By using above-mentioned technical proposal, it is fixedly connected with the first connector with nut strongerly.
In conclusion the utility model has the following beneficial effects:
1. passing through the setting of the first connector and the second connector, steel pipe is facilitated to be fixed on union；
2. passing through the setting in the first socket joint hole and the second socket joint hole, steel pipe is plugged into the first socket joint hole and the second socket joint respectively
Kong Zhong is conducive to accommodate positioning steel tube.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of socket weld union；
Fig. 2 is the schematic cross-sectional view of socket weld union；
Fig. 3 is the configuration schematic diagram of socket weld union；
Fig. 4 is the partial enlargement structural representation in Fig. 2 at A.
In figure, 1, nut；11, internal screw thread；12, rib；2, the first connector；21, the first socket joint hole；22, the first recirculation hole；
221, groove；23, external screw thread；3, the second connector；31, the second socket joint hole；32, the second recirculation hole；321, raised；33, flange.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Wherein identical components are presented with like reference characters.It should be noted that word used in the following description
Language "front", "rear", "left", "right", "up" and "down" refer to the direction in attached drawing, word " bottom surface " and " top surface ", "inner" and
"outside" refers respectively to the direction towards or away from geometric center of specific component.
Embodiment: a kind of socket weld union is removably connected with first on nut 1 as shown in Figure 1, including nut 1
For steel pipe to be plugged and fixed, i.e., two are connected by this union for connector 2 and the second connector 3, the first connector 2 and the second connector 3
It connects certain, the welding manner that last staff uses fixes steel pipe and union.
In conjunction with shown in Fig. 2 and Fig. 3, the lateral surface of nut 1 is in regular polygon, preferably regular hexagon.The inner wall of 1 inner hole of nut
On be provided with one section of internal screw thread 11, rib 12 is additionally provided on the inner wall of 1 inner hole of nut, rib 12 is located remotely from internal screw thread 11
One end, and rib 12 is arranged in circular ring shape.
In conjunction with shown in Fig. 2 and Fig. 3, the second connector 3 and nut 1 are mating, and flange is arranged on the outer surface of the second connector 3
33, flange 33 is arranged in circular ring shape, when the second connector 3 is inserted into 1 inner hole of nut, moves in the second connector 3 along nut 1
To extreme position when, flange 33 offsets with rib 12, and the second connector 3 is avoided to be detached from from the inner hole of nut 1.
In conjunction with shown in Fig. 2 and Fig. 3, the second socket joint hole 31 and the second recirculation hole 32, the second socket joint hole are provided in the second connector 3
31 and second recirculation hole 32 be coaxially disposed, the radius in the second socket joint hole 31 is greater than the radius of the second recirculation hole 32, and second holds
Jack 31 and the second recirculation hole 32 are arranged in ladder.When in use, steel pipe is inserted into the second socket joint hole 31, when steel pipe
The ground face contact of end face and the second socket joint hole 31 illustrates that steel pipe grafting is completed, and the inner hole of the second recirculation hole 32 and steel pipe is same at this time
Axis, steel pipe and the second connector 3 are welded and fixed last staff, convenient and simple.
In conjunction with shown in Fig. 2 and Fig. 4, one end away from the second socket joint hole 31 of the second recirculation hole 32 is provided with protrusion 321, convex
It plays 321 to be arranged in a ring, the outer surface of protrusion 321 is arranged in circular arc.
In conjunction with shown in Fig. 2 and Fig. 3, the first connector 2 is threadedly coupled with nut 1, the outer surface of the first connector 2 be provided with it is interior
The external screw thread 23 that screw thread 11 cooperates, internal screw thread 11 and 23 per inch of external screw thread at least four enclose screw thread engagement, for guaranteeing that first connects
First 2 are firmly fixed in nut 1, and during installing union, the second connector 3 is inserted into 1 inner hole of nut first,
Be screwed the first connector 2 later.
In conjunction with shown in Fig. 2 and Fig. 3, the first connector 2 is provided with the first socket joint hole 21 and the first recirculation hole 22, the first socket joint hole 21
Radius be greater than 22 radius of the first recirculation hole, and the first socket joint hole 21 and the first recirculation hole 22 coaxial arrangement and it is stepped.
The first socket joint hole 21 is identical as 31 radius of the second socket joint hole simultaneously, and the first recirculation hole 22 is identical with 32 radius of the second recirculation hole.When
When first connector, 2 shape is threadedly secured in 1 inner hole of nut, the first recirculation hole 22 and the second recirculation hole 32 are coaxially disposed, and are had
Union can be smoothly flowed through conducive to water.
In conjunction with shown in Fig. 3 and Fig. 4, the first recirculation hole 22 is provided with groove 221, groove away from the one end in the first socket joint hole 21
221 surface is arranged in circular arc, and groove 221 offsets with protrusion 321, facilitates protrusion 321 to slide into groove 221, increases convex
The contact surface area for playing 321 and groove 221 makes the first recirculation hole 22 and the second recirculation hole 32 is even closer links together,
Improve the sealing performance of 32 docking location of the first recirculation hole 22 and the second recirculation hole.
In conjunction with shown in Fig. 2 and Fig. 3, there are gaps between the first connector 2 and the second connector 3, due to when steel pipe uses
It waits, steel pipe will appear mobile situation, since the first connector 2 and the second connector 3 are fixedly connected with steel pipe, so first connects
First 2 and second connector 3 moved together with steel pipe, activity surplus of the gap as the second connector 3 avoids the first connector 2 and second
The deformation of 3 mutual extrusion of connector.
Second connector 3: being connected in nut 1 by specific implementation process first, and first interface and 1 screw thread of nut are matched later
It closes, first interface, the second connector 3 and nut 1 is become into an entirety, steel pipe is plugged into 21 He of the first socket joint hole respectively later
In second socket joint hole 31, guarantees two steel pipe coaxial arrangements, there is good concentricity, while the first recirculation hole 22 and second
Through-hole 32 is connected to, and guarantees that water can pass through union.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (8)
1. a kind of socket weld union, including nut (1), it is provided with internal screw thread (11) on the inner wall of the nut (1), it is special
Sign is: it further include the first connector (2) and the second connector (3), second connector (3) is connected in nut (1), and described second
Connector (3) stretches out nut (1), is provided with external screw thread (23) on first connector (2), first connector (2) and nut (1)
It is threadedly coupled, first connector (2) is provided with the first socket joint hole (21) and the first recirculation hole (22), and second connector (3) is opened
There are the second socket joint hole (31) and the second recirculation hole (32), and the first socket joint hole (21) and the coaxial arrangement of the second socket joint hole (31).
2. a kind of socket weld union according to claim 1, it is characterised in that: first socket joint hole (21) and
One recirculation hole (22) coaxial arrangement and stepped, first socket joint hole (21) radius is greater than the first recirculation hole (22) half
Diameter.
3. a kind of socket weld union according to claim 2, it is characterised in that: second socket joint hole (31) and
Two recirculation holes (32) are arranged coaxially and stepped, and second socket joint hole (31) radius is greater than the second recirculation hole (32) half
Diameter, and the first socket joint hole (21) is identical with the second socket joint hole (31) radius；First recirculation hole (22) and the second recirculation hole (32)
Radius is identical.
4. a kind of socket weld union according to claim 3, it is characterised in that: first recirculation hole (22) is deviated from
The one end in the first socket joint hole (21) is provided with groove (221), second recirculation hole (32) away from the second socket joint hole (31)
One end is provided with raised (321), and the groove (221) offsets with raised (321).
5. a kind of socket weld union according to claim 4, it is characterised in that: the surface of the groove (221) is in
Circular arc setting, the protrusion (321) are arranged in a ring, and the outer surface of the protrusion (321) is arranged in circular arc.
6. a kind of socket weld union according to claim 1, it is characterised in that: be provided with ring in the nut (1)
The rib (12) of shape, the rib (12) are located at one end of no internal screw thread (11), set on the outer surface of second connector (3)
It is equipped with the flange (33) contradicted with rib (12).
7. a kind of socket weld union according to claim 1, it is characterised in that: first connector (2) and second
There are gaps between connector (3).
8. a kind of socket weld union according to claim 1, it is characterised in that: the internal screw thread (11) and external screw thread
(23) per inch at least four encloses screw thread engagement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822029832.2U CN209484098U (en) | 2018-12-04 | 2018-12-04 | A kind of socket weld union |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822029832.2U CN209484098U (en) | 2018-12-04 | 2018-12-04 | A kind of socket weld union |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209484098U true CN209484098U (en) | 2019-10-11 |
Family
ID=68117924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822029832.2U Expired - Fee Related CN209484098U (en) | 2018-12-04 | 2018-12-04 | A kind of socket weld union |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209484098U (en) |
-
2018
- 2018-12-04 CN CN201822029832.2U patent/CN209484098U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191011 Termination date: 20201204 |