CN207500668U - A kind of connection structure of built-in pipe - Google Patents
A kind of connection structure of built-in pipe Download PDFInfo
- Publication number
- CN207500668U CN207500668U CN201721232609.7U CN201721232609U CN207500668U CN 207500668 U CN207500668 U CN 207500668U CN 201721232609 U CN201721232609 U CN 201721232609U CN 207500668 U CN207500668 U CN 207500668U
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- Prior art keywords
- pipe
- built
- closing piece
- locked groove
- groove
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Abstract
The utility model discloses a kind of connection structures of built-in pipe, the technical issues of solving and be connected through a screw thread the built-in pipe of installation in the prior art and easily make to seep water in pipeline due to thread looseness, and then influencing the service life and signal transmission performance of cable in built-in pipe；Its key points of the technical solution are that：Including first pipe and second pipe, the first pipe is equipped with internal thread, the second pipe is equipped with external screw thread, the mode that the first pipe and second pipe are connected through a screw thread is detachably connected, locked groove is offered on the madial wall of the first pipe, closure is provided in the locked groove, the lateral wall of the second pipe is equipped with the annular groove being engaged by clamping with closure；The threaded connection of the connection structure of built-in pipe provided by the utility model is not likely to produce loosening, and infiltration is less prone in pipeline when so that the built-in pipe is embedded in underground, has reached and has improved the service life of cable and the advantageous effect of signal transmission performance in built-in pipe.
Description
Technical field
The utility model is related to built-in pipe technical field of structures, more specifically, it relates to a kind of connection knot of built-in pipe
Structure.
Background technology
Present building structure, for effect beauty, general few pipelines are exposed at outer.Built-in pipe, as the term suggests just
It is to be buried before concrete is poured into a mould, it is defeated commonly used in draining, coal gas for subsequent structural and the advance embedding pipeline of construction technology
It send, the fields such as cable is buried.
Chinese utility model patent, Authorization Notice No. CN205350578U disclose a kind of built-in pipe, technical solution
Main points be：Including outer tube inner tube and socket on inner pipe, further include and be fixedly connected to form annular slot with inner tube wall
Annular element, the annular element include the parallel portion of the connecting portion being connect with inner tube wall and connecting portion connection, the connection
Portion's outer wall is more than 90 ° with inner tube wall angle or connecting portion outer wall is equipped with fillet.
In above-mentioned technical proposal, built-in pipe is that one section of one section of ground is detachably connected, conveniently in the future can be by pipeline
It dismantles with the cable in service conduits.But due to ground sweat, Urban Rain waterlogging etc., it is embedded in the pipe of underground
Road is easier leak occur after prolonged use, in pipeline, and then the cable in pipeline is made to impregnate in water, influences cable
Service life and signal transmission performance.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of connection structure of built-in pipe,
Threaded connection between first pipe and second pipe is not likely to produce loosening, is not easy in pipeline when so that the built-in pipe is embedded in underground
It seeps water, improves the service life and signal transmission performance of cable in built-in pipe.
To achieve the above object, the utility model provides following technical solution：A kind of connection structure of built-in pipe, including
First pipe and second pipe, the first pipe are equipped with internal thread, and the second pipe is equipped with external screw thread, the first pipe
It is detachably connected with the mode that second pipe is connected through a screw thread, lock is offered on the madial wall of the first pipe
Slot, snap close piece is provided in the locked groove, and the lateral wall of the second pipe is equipped with the annular groove being engaged by clamping with snap close piece.
Between the annular groove set using above-mentioned technical proposal, the snap close piece and second pipe set by first pipe
It is engaged by clamping, the threaded connection between first pipe and second pipe is made to be not likely to produce loosening, and then built-in pipe is made to be embedded in ground
Infiltration is less prone to when beneath in pipeline, improves the service life and signal transmission performance of cable in built-in pipe.
The utility model is further set, and the snap close piece includes pull rod, closing piece and spring, and one end of the pull rod passes through
The bottom surface of locked groove and the lateral wall for stretching out in first pipe, the other end are fixedly connected with closing piece, and the spring is fixed at lock
Between the bottom surface of slot and closing piece, the closing piece coordinates with locked groove sliding plug, and the closing piece stretches out in the madial wall of first pipe
And it is engaged by clamping with annular groove.
Using above-mentioned technical proposal, when built-in pipe is installed, second pipe is screwed in first pipe, pull rod is pulled to make closing piece
The mobile and compressed spring into locked groove；After closing piece is moved fully in locked groove, second pipe continues to screw in into first pipe,
Closing piece pops up lockhole under spring restoring force effect and is clamped in annular groove, and first pipe and second pipe connect in screw thread
On the basis of connecing, second pipe is fixed in first pipe, makes threaded connection between first pipe and second pipe not
Loosening is also easy to produce, it is simple in structure, it firmly installs, and easy to operate.
The utility model is further set, and the closing piece is equipped with inclined-plane, the inclined-plane and the towards the side of second pipe
The end abutment of two pipelines towards first pipe coordinates.
Using above-mentioned technical proposal, second pipe is screwed in first pipe, since closing piece is towards the side of second pipe
For inclined-plane, closing piece is made to be moved into locked groove by contacting between the inclined-plane of closing piece and the end of second pipe and compress bullet
Spring；When installing first pipe and second pipe, without pulling pull rod that second pipe can be mounted in first pipe, operation
It is more convenient.
The utility model is further set, and the second pipe is equipped with towards the end of first pipe and is abutted with the inclined-plane
The conical surface of cooperation.
Using above-mentioned technical proposal, by contacting between the inclined-plane of closing piece and the conical surface of second pipe, be conducive to
Second pipe applies pressure to closing piece when mounted so that the process that closing piece is moved into locked groove is more smooth, and then makes first
The simpler convenience of the installation operation of pipeline and second pipe.
The utility model is further set, and the madial wall of the first pipe is equipped with cascaded surface, and the cascaded surface is equipped with
Seal washer, the end that the second pipe grafting enters in first pipe are contacted with seal washer.
Using above-mentioned technical proposal, when second pipe is installed in first pipe, second pipe grafting enters in first pipe
End seal washer is contacted, and to seal washer generate elasticity squeeze, second pipe is installed more secured, and
And the leakproofness between the first pipe and second pipe also added, built-in pipe is made more to be less prone to when being embedded in underground
Infiltration.
The utility model is further set, and the seal washer includes annular portion and tapered sleeve portion, the annular portion and second
The end face of pipeline towards the end of first pipe contacts, and the tapered sleeve portion and second pipe are towards the end of first pipe
The conical surface contacts.
Using above-mentioned technical proposal, when installation is complete for first pipe and second pipe, the annular portion of seal washer and the
The end face of two pipelines towards the end of first pipe abuts, and tapered sleeve portion and the conical surface of second pipe towards the end of first pipe support
It connects, increases second pipe towards the sealing area of the end of first pipe, and then make seal washer to first pipe and second
The sealing effect of pipeline is more preferable.
The utility model is further set, and the end that the pull rod stretches out in first pipe lateral wall opens up fluted, institute
It states groove and is snapped with draw ring.
Using above-mentioned technical proposal, when dismantling first pipe and second pipe, draw ring is connected in the groove internal buckle of pull rod, is led to
Crossing pulling draw ring makes closing piece be moved into locked groove, operates more convenient；And draw ring can also be from drawing when not needing to use
It is removed on bar, without being installed on pull rod, influences the burial and construction of built-in pipe.
The utility model is further set, and the locked groove quantity is two, and the line pair centered on the axis of first pipe
Title is distributed on the madial wall of first pipe, and snap close piece is equipped in two locked grooves.
Using above-mentioned technical proposal, two symmetrical snap close pieces of setting connect and fix second pipe, make the
Two pipelines are more fixedly mounted in first pipe, and then make threaded connection between first pipe and second pipe more not
Easily generate loosening.
In conclusion the utility model has the advantages that：First, the screw thread between first pipe and second pipe
Connection is not likely to produce loosenings, and then is less prone to infiltration, raising built-in pipe interior lines in pipeline when so that the built-in pipe is embedded in underground
The service life and signal transmission performance of cable；Second, the disassembling operations of first pipe and second pipe are convenient and efficient, convenient for work
Personnel are checked or are replaced to the cable in built-in pipe.
Description of the drawings
Fig. 1 is the structure diagram of the utility model embodiment；
Fig. 2 is the assembling structure sectional view of first pipe and second pipe in the utility model embodiment；
Fig. 3 is the enlarged drawing at A in Fig. 2；
Fig. 4 is the enlarged drawing at B in Fig. 2.
Reference numeral：1st, first pipe；11st, internal thread；12nd, locked groove；13rd, cascaded surface；14th, seal washer；141st, annulus
Portion；142nd, tapered sleeve portion；2nd, second pipe；21st, external screw thread；22nd, annular groove；23rd, the conical surface；3rd, snap close piece；31st, pull rod；311st, it is recessed
Slot；312nd, draw ring；32nd, closing piece；321st, inclined-plane；33rd, spring.
Specific embodiment
It elaborates below in conjunction with the accompanying drawings to the technical solution of the utility model.
A kind of connection structure of built-in pipe, as depicted in figs. 1 and 2, including first pipe 1 and second pipe 2, first pipe
1 is straight tube, and second pipe 2 is bend pipe；The madial wall of first pipe 1 is provided with internal thread 11, is provided on the lateral wall of second pipe 2
The mode that external screw thread 21, first pipe 1 and second pipe 2 are connected through a screw thread is detachably connected.
As shown in Figure 2, Figure 3 and Figure 4, the madial wall of first pipe 1 is additionally provided with locked groove 12 and cascaded surface 13, first pipe
1 internal thread 11, locked groove 12 and cascaded surface 13 is distributed from top to bottom successively；Annular is additionally provided on the lateral wall of second pipe 2
Slot 22, the end set of second pipe 2 towards first pipe 1 have the conical surface 23, external screw thread 21,22 and of annular groove of second pipe 2
The conical surface 23 is distributed from top to bottom successively.The quantity of locked groove 12 is two, and line is symmetrical centered on the axis of first pipe 1
In on the madial wall of first pipe 1, snap close piece 3 is mounted in two locked grooves 12.
Snap close piece 3 includes pull rod 31, closing piece 32 and spring 33, and one end of pull rod 31 passes through the bottom surface of locked groove 12 and stretches out in
The lateral wall of first pipe 1, the other end are welded and fixed with closing piece 32；It opens the end that pull rod 31 stretches out in 1 lateral wall of first pipe
Fluted 311, draw ring 312 is snapped in groove 311.Spring 33 is fixedly mounted between the bottom surface of locked groove 12 and closing piece 32, and
It is sleeved on pull rod 31；Closing piece 32 coordinates with 12 sliding plug of locked groove, and closing piece 32 stretches out in the madial wall of first pipe 1 and and ring
Shape slot 22 is engaged by clamping；The side of closing piece 32 towards second pipe 2 is provided with inclined-plane 321, the inclined-plane 321 and second on closing piece 32
The conical surface 23 on pipeline 2 contacts.
Be installed with seal washer 14 on the cascaded surface 13 of 1 madial wall of first pipe, seal washer 14 include one into
The annular portion 141 of type setting and tapered sleeve portion 142；When installation is complete for first pipe 1 and second pipe 2, annular portion 141 and second
The end face of pipeline 2 towards the end of first pipe 1 abuts against, and tapered sleeve portion 142 and second pipe 2 are towards the end of first pipe 1
The conical surface 23 abut against, make first pipe 1 and second pipe 2 between better tightness.
The assembling and dissembling process of first pipe 1 and second pipe 2：It is connected through a screw thread and second pipe 2 is rotated into the first pipe of screw-in
In road 1, the conical surface 23 of 2 end of second pipe is moved to abutted against with the inclined-plane of closing piece 32 321 after, closing piece 32 is moved into locked groove 12
Dynamic and compressed spring 33；After closing piece 32 is moved fully in locked groove 12, second pipe 2 continues to screw in into first pipe 1, when
When second pipe 2 moves its end with being abutted with seal washer 14, closing piece 32 pops up lock under the effect of 33 elastic-restoring force of spring
Slot 12 is simultaneously clamped in annular groove 22, and the side of closing piece 32 and the side wall of annular groove 22 abut against, and second pipe 2 is connected and fixed
In first pipe 1, the threaded connection between first pipe 1 and second pipe 2 is made to be not likely to produce loosening.
When dismantling first pipe 1 and second pipe 2, draw ring 312 is connected in 311 internal buckle of groove of pull rod 31, pulls draw ring
312 make closing piece 32 be moved into locked groove 12, after closing piece 32 removes annular groove 22, can rotate first pipe 1 or second pipe 2,
First pipe 1 and second pipe 2 are dismantled.
Above example is only explanation to the utility model, is not the limitation to the utility model, this field
Technical staff can as needed make the present embodiment the modification of no creative contribution after this specification is read, but only
It all to be protected in the right of the utility model by Patent Law.
Claims (3)
1. a kind of connection structure of built-in pipe, including first pipe (1) and second pipe (2), it is characterised in that：First pipe
Road (1) is equipped with internal thread (11), and the second pipe (2) is equipped with external screw thread (21), the first pipe (1) and second pipe
(2) mode being connected through a screw thread is detachably connected, and locked groove is offered on the madial wall of the first pipe (1)
(12), snap close piece (3) is provided in the locked groove (12), the lateral wall of the second pipe (2) is equipped with to be clamped with snap close piece (3)
The annular groove (22) of cooperation；The snap close piece (3) includes pull rod (31), closing piece (32) and spring (33), the pull rod (31)
One end passes through the bottom surface of locked groove (12) and stretches out in the lateral wall of first pipe (1), and the other end is fixedly connected with closing piece (32), institute
It states spring (33) to be fixed between the bottom surface of locked groove (12) and closing piece (32), the closing piece (32) is slided with locked groove (12) and inserted
Cooperation is connect, the closing piece (32) stretches out in the madial wall of first pipe (1) and is engaged by clamping with annular groove (22)；The closing piece
(32) inclined-plane (321) are equipped with towards the side of second pipe (2), the inclined-plane (321) and second pipe (2) are towards first pipe
(1) end abutment cooperation；The second pipe (2) is equipped with towards the end of first pipe (1) and is abutted with the inclined-plane (321)
The conical surface (23) of cooperation；The madial wall of the first pipe (1) is equipped with cascaded surface (13), and the cascaded surface (13) is equipped with sealing
Washer (14), the end that second pipe (2) grafting enters in first pipe (1) are contacted with seal washer (14)；It is described
Seal washer (14) includes annular portion (141) and tapered sleeve portion (142), the annular portion (141) and second pipe (2) direction first
The end face of the end of pipeline (1) contacts, and the tapered sleeve portion (142) and second pipe (2) are towards the end of first pipe (1)
The conical surface (23) contact.
2. a kind of connection structure of built-in pipe according to claim 1, it is characterised in that：The pull rod (31) stretches out in
The end of one pipeline (1) lateral wall opens up fluted (311), and the groove (311) is snapped with draw ring (312).
3. a kind of connection structure of built-in pipe according to claim 1, it is characterised in that：Locked groove (12) quantity is two
It is a, and line is symmetrically distributed on the madial wall of first pipe (1) centered on the axis of first pipe (1), two locked grooves
(12) snap close piece (3) is equipped in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721232609.7U CN207500668U (en) | 2017-09-23 | 2017-09-23 | A kind of connection structure of built-in pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721232609.7U CN207500668U (en) | 2017-09-23 | 2017-09-23 | A kind of connection structure of built-in pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207500668U true CN207500668U (en) | 2018-06-15 |
Family
ID=62498739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721232609.7U Expired - Fee Related CN207500668U (en) | 2017-09-23 | 2017-09-23 | A kind of connection structure of built-in pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207500668U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109237158A (en) * | 2018-11-06 | 2019-01-18 | 邢明 | A kind of big thermoelecrtic pipeline of municipal administration |
| CN110388536A (en) * | 2019-07-16 | 2019-10-29 | 山东佰盛能源科技有限公司 | A kind of outdoor weatherability anti-corrosion pipeline |
| CN110778839A (en) * | 2019-11-01 | 2020-02-11 | 缙云县源都自动化科技有限公司 | Wear-resistant and corrosion-resistant PVC plastic pipe set and preparation method thereof |
| CN112145829A (en) * | 2020-09-17 | 2020-12-29 | 席赫 | Double-end oil pipe nipple for oil field |
| CN113653871A (en) * | 2021-07-16 | 2021-11-16 | 绍兴莱贝科技有限公司 | Stainless steel corrugated connecting pipe for air conditioner |
| CN114719049A (en) * | 2022-04-14 | 2022-07-08 | 泉州市唯达卫浴科技有限公司 | Anti-scalding constant-temperature intelligent faucet and processing technology thereof |
| CN115126951A (en) * | 2022-06-30 | 2022-09-30 | 北京城建集团有限责任公司 | Water pipe connecting device for drainage between foundation pit supporting piles |
-
2017
- 2017-09-23 CN CN201721232609.7U patent/CN207500668U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109237158A (en) * | 2018-11-06 | 2019-01-18 | 邢明 | A kind of big thermoelecrtic pipeline of municipal administration |
| CN109237158B (en) * | 2018-11-06 | 2020-07-03 | 临汾淼森能源工程有限公司 | Large-scale heat supply pipeline of municipal administration usefulness |
| CN110388536A (en) * | 2019-07-16 | 2019-10-29 | 山东佰盛能源科技有限公司 | A kind of outdoor weatherability anti-corrosion pipeline |
| CN110388536B (en) * | 2019-07-16 | 2020-12-18 | 山东佰盛能源科技有限公司 | Outdoor weather-resistant anti-corrosion pipeline |
| CN110778839A (en) * | 2019-11-01 | 2020-02-11 | 缙云县源都自动化科技有限公司 | Wear-resistant and corrosion-resistant PVC plastic pipe set and preparation method thereof |
| CN110778839B (en) * | 2019-11-01 | 2021-09-28 | 义博通信设备集团股份有限公司 | Wear-resistant and corrosion-resistant PVC plastic pipe set and preparation method thereof |
| CN112145829A (en) * | 2020-09-17 | 2020-12-29 | 席赫 | Double-end oil pipe nipple for oil field |
| CN112145829B (en) * | 2020-09-17 | 2021-06-15 | 大庆市华禹石油机械制造有限公司 | Double-end oil pipe nipple for oil field |
| CN113653871A (en) * | 2021-07-16 | 2021-11-16 | 绍兴莱贝科技有限公司 | Stainless steel corrugated connecting pipe for air conditioner |
| CN113653871B (en) * | 2021-07-16 | 2022-11-04 | 绍兴莱贝科技有限公司 | Stainless steel corrugated connecting pipe for air conditioner |
| CN114719049A (en) * | 2022-04-14 | 2022-07-08 | 泉州市唯达卫浴科技有限公司 | Anti-scalding constant-temperature intelligent faucet and processing technology thereof |
| CN115126951A (en) * | 2022-06-30 | 2022-09-30 | 北京城建集团有限责任公司 | Water pipe connecting device for drainage between foundation pit supporting piles |
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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: 20180615 Termination date: 20190923 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |