CN108869906B - A kind of pipeline connecting device and installation method - Google Patents
A kind of pipeline connecting device and installation method Download PDFInfo
- Publication number
- CN108869906B CN108869906B CN201810765826.5A CN201810765826A CN108869906B CN 108869906 B CN108869906 B CN 108869906B CN 201810765826 A CN201810765826 A CN 201810765826A CN 108869906 B CN108869906 B CN 108869906B
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- China
- Prior art keywords
- pipeline
- nut
- main body
- connection main
- connecting device
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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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
- F16L19/02—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member
Abstract
A kind of pipeline connecting device and installation method, the pipeline connecting device includes: the connection main body for being connected to the first pipeline and the second pipeline, one end of the connection main body is inserted into first pipeline, and the connection main body is equipped with the first conical section for stoppering first pipe ends；The other end of the connection main body is inserted into second pipeline, and the connection main body is equipped with the second conical section for stoppering second pipe ends；The connection main body is fixedly connected by locking device with first pipeline and the second pipeline.The present invention does not need to weld, and does not need line up yet and carries out processing work, does not need rubber seal, connection is simple and convenient, and use scope is wider, and aesthetics is more preferable yet.
Description
Technical field
The present invention relates to the assembling field of pipeline, more specifically a kind of pipeline connecting device and installation method.
Background technique
Copper pipeline is connected as common form inside air-conditioning, and existing common connection seal form has welded seal, the conical surface
Sealing and rubber seal sealing.
As shown in Figure 1, being welded seal mode, two pipelines are combined together, one of pipeline 60 needs to carry out
Flaring or necking processing, then carry out soldering again, and welding slag, which easily falls into channel interior, when welding causes components to block, and welds
Connect it is bad there are the possibility of weld seam, influence unit operation performance；And welding gun will be operated by thermal-flame, belong to easy damaged zero
Component, need to be complicated for operation to being blown into nitrogen inside pipeline to protect components when welding；Welding influences the beauty inside unit
Property.
As shown in Fig. 2, its inside and outside machine connecting copper pipe is sealed by the conical surface 70 for the shut-off valve that conical surface seal mode is realized
It is connected on shut-off valve, its defect is that line up is needed to carry out flaring processing, and to neutrality when nozzle flaring face and cone match
Difference, easily occurring sealing performance deficiency after sale leads to leakage problem.
As shown in figure 3, for the mode of rubber seal sealing, it the shortcomings that be it is easy to aging, be suitable only for water system, fluorine system system
Middle rubber seal 50 easily reacts to influence sealing performance with refrigerant.
In this field, develops a kind of easier pipeline connecting mode and have great importance.
Summary of the invention
The object of the present invention is to provide a kind of pipeline connecting device and installation method, the present apparatus does not need to weld, woth no need to
Line up carries out processing work, does not also need rubber seal, connection is simple and convenient, and use scope is wider, and aesthetics is more
It is good.
In order to achieve the above object, The technical solution adopted by the invention is as follows:
A kind of pipeline connecting device, comprising: the connection main body of connection the first pipeline and the second pipeline, the connection main body
One end is inserted into first pipeline, and the connection main body is equipped with the first taper for stoppering first pipe ends
Section；The other end of the connection main body is inserted into second pipeline, and the connection main body is equipped with for stoppering described the
Second conical section of two pipe ends；The connection main body connects by the way that locking device and first pipeline and the second pipeline are fixed
It connects.
Preferably, the locking device includes the first locking assembly and handle for the first pipeline being fixed on connection main body one end
Second pipeline is locked at the second locking assembly of the connection main body other end.
Preferably, first locking assembly include the first nut being sequentially sleeved in outside the first pipeline, with opening
Clamping ring and the second nut；First nut is by being threadedly engaged on the outer wall for being connected to second nut, and described second
Nut passes through on the outer wall for being threadedly engaged and being connected to the connection main body, and the clamping ring is located at first nut and second
Between nut；First nut and/or the second nut are equipped with chamfering, and first nut and the rotation of the second nut are close
When, the chamfering pushes the opening of the clamping ring to tighten.
Preferably, second locking assembly is identical as the first locking assembly structure.
Preferably, the end of the connection main body is ladder-like, the inner cavity of second nut and the connection main body
End shape cooperation.
Preferably, the convex shoulder for limiting second nut is enclosed at the middle part of the connection main body equipped with one.
Preferably, the clamping ring is an elastic ring with diagonal cut joint.
Preferably, described in one end clearance fit insertion of the connection main body and in the first pipeline.
A kind of installation method of above-mentioned pipeline connecting device, comprising the following steps:
Step 1 is sequentially sleeved in the first nut, clamping ring and the second nut outside the first pipeline, the first pipeline is made to shift company onto
It connects at the first taper fragment position of main body one end；
First nut is tightened on the second nut by step 2, and clamping ring is made to clamp the first pipeline, makes the first nut, folder
Tight ring and the second nut are fixed on the first pipeline；
Step 3 screws the second nut, is fixed on it in connection main body.
Compared with prior art, the present invention at least has the advantages that
Pipeline connecting device of the present invention, does not need to weld, and does not need line up yet and carries out processing work, does not need rubber yet
Sealing element, connection is simple and convenient, and use scope is wider, and aesthetics is more preferable, and has multi-sealing structure, it is ensured that it is sealed
Performance.
Detailed description of the invention
Fig. 1 is the welded seal in current technical solution；
Fig. 2 is the conical surface seal in current technical solution；
Fig. 3 is the rubber seal sealing in current technical solution；
Fig. 4 is an embodiment installation diagram；
Fig. 5 is the installation process figure of an embodiment；
Fig. 6 is an embodiment explosive view；
Fig. 7 is the connection main structure chart in an embodiment；
Fig. 8 is the clamping ring structure chart in an embodiment；
Fig. 9 is the partial enlarged view in Fig. 4.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples.
Referring to Fig. 4-6, for a kind of pipeline connecting device that an embodiment provides, the present apparatus is for being connected to the first pipeline 1
With the second pipeline 2 comprising it connects main body 3 and the first pipeline and the second pipeline is fixed on the locking device in connection main body,
Locking device includes the first locking assembly and the second locking assembly, and the both ends for connecting main body are inserted respectively into the first pipeline 1 and the
In two pipelines 2, connects main body and both ends have set the first conical section 33 and the second conical section respectively, the first conical section 33 is for stoppering
First pipeline, for stoppering the second pipeline, the first locking assembly covers outside the first pipeline the second conical section, and the first pipeline is locked
In one end of connection main body；Second locking assembly covers outside the second pipeline, the second pipeline is locked at the other end of connection main body.
As Figure 7-9, in the present embodiment, connection main body 3 is a stair-stepping structure, and the first locking assembly includes
First nut 41, clamping ring 43 and the second nut 42, they are sequentially sleeved on the first pipeline 1, the structure of the inner cavity of the second nut
Match with the end for connecting main body 3, the second nut and connection main body be securely screwed together, the outer wall of the second nut and
First nut is together by a threaded connection；Clamping ring is clipped in the middle by the first nut 41 and the second nut 42, the first nut 41
Inside is equipped with a cylindrical groove, and one end of clamping ring 43 and cylindrical groove cooperate, and an end face of the other end and the second nut 2 is matched
Close, set chamfering 411 and chamfering 421(such as Fig. 9 respectively on the end face of cylindrical groove and the second nut 42), clamping ring 43 is located at
Between two chamferings, clamping ring 43 is the Thin Elastic ring with diagonal cut joint, is screwed on the second nut the first nut in this way
When, clamping ring 43 is that can be compressed by two chamferings, to achieve the effect that clamping ring to tighten, until being bonded with the first pipeline
(such as Fig. 4).
In the present embodiment, the inner cavity of the second nut 42 matches with the end for connecting main body, in the second nut 42 and
One conical section, 33 corresponding section is equipped with a cone tank 422 to match.It is equipped with a circle convex shoulder 34 at the middle part of connection main body 3, this
The cooperation of the end face of the one side of convex shoulder and the second nut, it plays the role of a limit, and the second nut is screwed to this position.Extremely
It is identical with the structure of the first locking assembly in the second locking assembly, but it is for the second pipeline being fixed in connection main body
, 1 clearance fit of one end and the first pipeline of the connection main body in this programme, this structure is to tighten the second spiral shell for convenience
When female, the first pipeline or the second pipeline can slowly be moved to the first conical section along connection main body, without due to tension
And it is stuck, it cannot move on the first conical section.
The present invention also protects the installation method of pipeline connecting device, comprising the following steps:
Step 1 is sequentially sleeved in the first nut 41, clamping ring 43 and the second nut 42 outside first pipeline 1, the first pipe
Road is inserted into one end of connection main body 3, until the bottom position (such as Fig. 5) of the first conical section；
Step 2 is slowly tightened to the first nut 41 on second nut 42, is closed clamping ring 43 slowly, and clamp
First pipeline 1(tries not to make the first pipeline tension at this time, to will lead to the first pipeline 1 and connection main body 3 is stuck) so that
First nut, the second nut, clamping ring and the first pipeline become an entirety, can move with the movement of the second nut；
Step 3 is slowly rotating the second nut 42, and the first nut 41, the first pipeline 1 and clamping ring 43 will move together,
First pipeline will slide on the first conical section gradually, until the second nut is tightened, that is, the second nut end face with it is convex
The side of shoulder is bonded (such as Fig. 4).
At this point, flared can be presented in the port part of the first pipeline, flaring inner surface is bonded with the end for connecting main body, and
The outer surface of flaring is bonded with the second nut, along with the end face of the second nut is bonded with the one side for the convex shoulder for connecting main body,
It is multi-sealed, it is ensured that the sealing performance of the present apparatus；Then the second nut, the clamping ring and first of second pipeline side are installed again
Nut, installation steps are identical as above-mentioned step.
Above by specific embodiment, invention is explained in detail, these detailed description are only limited to help
Those skilled in the art understand that the contents of the present invention, can not be interpreted as limiting the scope of the invention.Art technology
Personnel should be included in protection model of the invention to various retouchings, the equivalent transformation etc. that above scheme carries out under present inventive concept
It encloses.
Claims (8)
1. a kind of pipeline connecting device, comprising: the connection main body (3) of connection the first pipeline (1) and the second pipeline (2), feature
It is,
One end of connection main body (3) is inserted into first pipeline (1), and the connection main body (3) is equipped with for filling in
The first conical section (33) of tight first pipeline (1) end；The other end of connection main body (3) is inserted into second pipe
In road (2), connection main body (3) is equipped with the second conical section for stoppering the second pipeline (2) end；The connection
Main body (3) is fixedly connected by locking device with first pipeline (1) and the second pipeline (2)；
The locking device includes the first locking assembly for the first pipeline (1) being fixed on connection main body one end；
First locking assembly includes being sequentially sleeved in the first nut (41), the clamping ring with opening of the first pipeline (1) outside
(43) and the second nut (42)；First nut (41) is by being threadedly engaged the outer wall for being connected to second nut (42)
On, second nut (42) passes through on the outer wall for being threadedly engaged and being connected to connection main body (3), clamping ring (43) folder
Between first nut (41) and the second nut (42)；
First nut (41) and/or the second nut (42) are equipped with chamfering, first nut (41) and the second nut
(42) when rotation is close, the chamfering pushes the opening tightening of the clamping ring (43), so that first nut (41), second
Nut (42), clamping ring (43) and the first pipeline (1) become an entirety, can move with the movement of the second nut.
2. pipeline connecting device as described in claim 1, which is characterized in that the locking device further includes the second pipeline
(2) it is fixed on second locking assembly of described connection main body (3) other end.
3. pipeline connecting device according to claim 2, it is characterised in that: second locking assembly and the first locking group
Part structure is identical.
4. pipeline connecting device according to claim 1, it is characterised in that: the end of connection main body (3) is ladder
Shape, the inner cavity of second nut (42) and connection main body (3) end shape cooperate.
5. pipeline connecting device according to claim 1, it is characterised in that: the middle part of connection main body (3) is equipped with one
Enclose the convex shoulder (34) for limiting second nut (42).
6. pipeline connecting device according to claim 1, it is characterised in that: the clamping ring (43) is one with diagonal cut joint
Elastic ring.
7. pipeline connecting device according to claim 1, it is characterised in that: match a splaying of connection main body (3)
It closes and is inserted into first pipeline (1).
8. a kind of installation method of pipeline connecting device according to claim 1, which comprises the following steps:
First nut (41), clamping ring (43) and the second nut (42) are sequentially sleeved in the first pipeline (1) outside by step 1, by
One pipeline (1) is shifted at first conical section of connection main body (3) one end；
First nut (41) is tightened on the second nut (42) by step 2, and clamping ring (43) is pushed to clamp the first pipeline (1),
It is fixed on the first nut (41), clamping ring (43) and the second nut (42) on the first pipeline (1)；
Step 3 screws the second nut (42), is fixed on it in connection main body (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810765826.5A CN108869906B (en) | 2018-07-12 | 2018-07-12 | A kind of pipeline connecting device and installation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810765826.5A CN108869906B (en) | 2018-07-12 | 2018-07-12 | A kind of pipeline connecting device and installation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108869906A CN108869906A (en) | 2018-11-23 |
| CN108869906B true CN108869906B (en) | 2019-11-15 |
Family
ID=64301729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810765826.5A Active CN108869906B (en) | 2018-07-12 | 2018-07-12 | A kind of pipeline connecting device and installation method |
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| Country | Link |
|---|---|
| CN (1) | CN108869906B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2043700U (en) * | 1988-04-29 | 1989-08-30 | 刘江涛 | Cone shape clamper with opening for quick connection |
| DE4141309A1 (en) * | 1991-03-05 | 1992-09-10 | Hewing Gmbh | Pipe coupling with pipe end forced axially onto sleeve - has pre-expanded pipe end only required to further expand slightly over sleeve conical end portion during assembly |
| JPH11182751A (en) * | 1997-12-24 | 1999-07-06 | Flowell:Kk | Joint for tubing |
| JP2001304467A (en) * | 2000-04-20 | 2001-10-31 | Hitachi Hometec Ltd | Oil supply pipe connecting socket of oil burning heater |
| CN2465024Y (en) * | 2001-02-06 | 2001-12-12 | 上海天鹅建筑装潢有限公司 | Double leakage proof pipe joint |
| CN102232158A (en) * | 2008-12-01 | 2011-11-02 | 日本皮拉工业株式会社 | Resin pipe joint |
| CN204647607U (en) * | 2015-05-29 | 2015-09-16 | 徐卫兵 | A kind of pipeline fast joint structure |
-
2018
- 2018-07-12 CN CN201810765826.5A patent/CN108869906B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2043700U (en) * | 1988-04-29 | 1989-08-30 | 刘江涛 | Cone shape clamper with opening for quick connection |
| DE4141309A1 (en) * | 1991-03-05 | 1992-09-10 | Hewing Gmbh | Pipe coupling with pipe end forced axially onto sleeve - has pre-expanded pipe end only required to further expand slightly over sleeve conical end portion during assembly |
| JPH11182751A (en) * | 1997-12-24 | 1999-07-06 | Flowell:Kk | Joint for tubing |
| JP2001304467A (en) * | 2000-04-20 | 2001-10-31 | Hitachi Hometec Ltd | Oil supply pipe connecting socket of oil burning heater |
| CN2465024Y (en) * | 2001-02-06 | 2001-12-12 | 上海天鹅建筑装潢有限公司 | Double leakage proof pipe joint |
| CN102232158A (en) * | 2008-12-01 | 2011-11-02 | 日本皮拉工业株式会社 | Resin pipe joint |
| CN204647607U (en) * | 2015-05-29 | 2015-09-16 | 徐卫兵 | A kind of pipeline fast joint structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108869906A (en) | 2018-11-23 |
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