CN205350657U - Telescopic straight joint - Google Patents
Telescopic straight joint Download PDFInfo
- Publication number
- CN205350657U CN205350657U CN201520984417.6U CN201520984417U CN205350657U CN 205350657 U CN205350657 U CN 205350657U CN 201520984417 U CN201520984417 U CN 201520984417U CN 205350657 U CN205350657 U CN 205350657U
- Authority
- CN
- China
- Prior art keywords
- telescoping tube
- fluid passage
- toroidal cavity
- hole
- tube
- 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
Links
Landscapes
- Joints Allowing Movement (AREA)
Abstract
The utility model discloses a telescopic straight joint, include first flexible pipe and cup joint at the flexible pipe of the second of first flexible outside of tubes, the flexible outside of tubes pouring of second has the PP -R outer tube, the inside toroidal cavity that has seted up of PP -R outer tube, toroidal cavity is all continuous with the outside and the spacing portion of first flexible pipe, first through -hole has been seted up in the spacing portion, the both ends of first through -hole are linked together with toroidal cavity and second fluid passageway respectively, the second through -hole has been seted up on the lateral surface of PP -R outer tube, the second through -hole is linked together with toroidal cavity, second through -hole spiral shell closes installs sealing screw. The utility model discloses a telescopic straight joint, when flexible the regulation, sealing screw opens, the interior atmospheric pressure held stationary of messenger toroidal cavity, when sealing screw was fixed, because level and smooth metal level and first sealing washer closely link to each other, under the effect of atmospheric pressure, first flexible pipe and second stretched out and drew back and manage the removal of can't stretching out and drawing back.
Description
Technical field:
This utility model relates to a kind of telescopic straight joint.
Background technology:
PP-R is to being again three type polypropylene tube or polypropylene random copolymer pipes, there is energy-saving material-saving, environmental protection, high-strength light, corrosion-resistant, inner wall smooth non-scaling, construction and the advantage such as maintenance simplicity, long service life, be widely used in building industry, municipal administration, industry and the agriculture fields such as building water supply and drainage, town and country plumbing, gas, electric power and cable jacket, industrial fluids conveying, agricultural irrigation.The joint of existing PP-R pipe is mostly straight joint, but the function of existing PP-R pipe joint is excessively single, and a lot of PP-R pipe joints all cannot stretch, inconvenient.
Summary of the invention:
The purpose of this utility model is to solve the problems of the prior art, it is provided that a kind of scalable, good airproof performance, it is possible to adapt to the straight joint of various application occasions.
In order to achieve the above object, the technical solution of the utility model is:
A kind of telescopic straight joint, including the first telescoping tube and the second telescoping tube being socketed in outside the first telescoping tube, being provided with PP-R outer tube outside described second telescoping tube, described PP-R outer tube is also socketed in outside the first telescoping tube, and described PP-R outer tube and the first telescoping tube are movably connected；First fluid passage is offered in described first telescoping tube, second fluid passage is offered in described second telescoping tube, offering the 3rd fluid passage in described PP-R outer tube, described first fluid passage is connected with second fluid passage, and described second fluid passage and the 3rd fluid passage are connected；One end that described first telescoping tube and the second telescoping tube are connected is provided with on one end that the first sealing ring, described second telescoping tube and the first telescoping tube are connected limiting section is installed；Described PP-R outer tube offers toroidal cavity, and described toroidal cavity is all connected with the outside of the first telescoping tube and limiting section, and described limiting section offers the first through hole, and the two ends of described first through hole are connected with toroidal cavity and second fluid passage respectively；Offering the second through hole on the lateral surface of described PP-R outer tube, described second through hole is connected with toroidal cavity, and described second through hole screws togather and is provided with sealing screw.
Described toroidal cavity is provided with the second sealing ring on the one end away from the second telescoping tube, described second sealing ring socket is arranged on the first telescoping tube.
The aperture of described second sealing ring is identical with the external diameter of the first telescoping tube.
Described second telescoping tube is internally installed smooth metallic layer, and described first sealing ring offers annular groove, and described smooth metallic layer and the first sealing ring are closely coupled.
Described first telescoping tube is provided with the fixing head of hex nut shape on the one end away from the second telescoping tube, described fixing head and described first telescoping tube are integrated and are fabricated by.
Described PP-R outer tube is provided with bumper ring on one end of toroidal cavity, and described bumper ring is socketed in outside the first telescoping tube.
Described first fluid passage, second fluid passage and the 3rd fluid passage are the fluid passage of circle；The diameter of described second fluid passage and the diameter of the 3rd fluid passage are identical, and the diameter of described first fluid passage is less than the diameter of second fluid passage.
The beneficial effects of the utility model are: the telescopic straight joint of one of the present utility model, the first telescoping tube and the second telescoping tube can be performed manually by telescopic adjustment；When telescopic adjustment, sealing screw is opened, and makes the air pressure held stationary in toroidal cavity, and when sealing screw is fixing, owing to smooth metallic layer and the first sealing ring are closely coupled, under the influence of air pressure, the first telescoping tube and the second telescoping tube will be unable to telescopic moving.
Accompanying drawing illustrates:
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention:
Embodiment 1
The telescopic straight joint of one as shown in Figure 1, including the first telescoping tube 1 and the second telescoping tube 2 being socketed in outside the first telescoping tube 1, outside described second telescoping tube 2, PP-R outer tube 3 is installed, described PP-R outer tube 3 is also socketed in outside the first telescoping tube 1, and described PP-R outer tube 3 and the first telescoping tube 1 are movably connected.First fluid passage 11 is offered in described first telescoping tube 1, second fluid passage 12 is offered in described second telescoping tube 2, the 3rd fluid passage 13 is offered in described PP-R outer tube 3, described first fluid passage 11 is connected with second fluid passage 12, and described second fluid passage 12 is connected with the 3rd fluid passage 13.
One end that described first telescoping tube 1 is connected with the second telescoping tube 2 is provided with the first sealing ring 41, one end that described second telescoping tube 2 is connected with the first telescoping tube 1 is provided with limiting section 21.Described second telescoping tube 2 is internally installed smooth metallic layer 6, and described first sealing ring 41 offers annular groove 51, and described smooth metallic layer 6 and the first sealing ring 41 are closely coupled.First sealing ring 41 is connected by the suction of annular groove 51 with smooth metallic layer 6, has good sealing.
Described PP-R outer tube 3 is internal offers toroidal cavity 4, described toroidal cavity 4 is all connected with the outside of the first telescoping tube 1 and limiting section 21, offering the first through hole 31 on described limiting section 21, the two ends of described first through hole 31 are connected with toroidal cavity 4 and second fluid passage 12 respectively；Offering the second through hole 32 on the lateral surface of described PP-R outer tube 3, described second through hole 32 is connected with toroidal cavity 4, and described second through hole 32 screws togather and is provided with sealing screw 5.When the first telescoping tube 1 and the second telescoping tube 2 stretch, turn on sealing screw 5, the air pressure balance in toroidal cavity 4 can be controlled by the first through hole 31 and the second through hole 32；When tightening sealing screw 5, by the air pressure in toroidal cavity 4, it is possible to fix the position of the first telescoping tube 1 and the second telescoping tube 2.
Described toroidal cavity 4 is provided with the second sealing ring 42 on the one end away from the second telescoping tube 2, described second sealing ring 42 socket is arranged on the first telescoping tube 1.The aperture of described second sealing ring 42 is identical with the external diameter of the first telescoping tube 1.Second sealing ring 42 can effectively prevent the gas leak in toroidal cavity 4.
Described first telescoping tube 1 is provided with the fixing head 7 of hex nut shape on the one end away from the second telescoping tube 2, described fixing head 7 is integrated with described first telescoping tube 1 and is fabricated by.Described PP-R outer tube 3 is provided with bumper ring 8 on one end of toroidal cavity 4, and described bumper ring 8 is socketed in outside the first telescoping tube 1.Bumper ring 8 can effectively prevent the collision to body when flexible of the first telescoping tube 1.
Described first fluid passage 11, second fluid passage 12 and the 3rd fluid passage 13 are the fluid passage of circle；The diameter of described second fluid passage 12 and the diameter of the 3rd fluid passage 13 are identical, and the diameter of described first fluid passage 11 is less than the diameter of second fluid passage 12.
The telescopic straight joint of one of the present embodiment, the first telescoping tube and the second telescoping tube can be performed manually by telescopic adjustment；When telescopic adjustment, sealing screw is opened, and makes the air pressure held stationary in toroidal cavity, and when sealing screw is fixing, owing to smooth metallic layer and the first sealing ring are closely coupled, under the influence of air pressure, the first telescoping tube and the second telescoping tube will be unable to telescopic moving.
Claims (7)
1. a telescopic straight joint, it is characterized in that: include the first telescoping tube (1) and be socketed in the first telescoping tube (1) the second telescoping tube (2) outward, outside described second telescoping tube (2), PP-R outer tube (3) is installed, described PP-R outer tube (3) is also socketed in the first telescoping tube (1) outward, and described PP-R outer tube (3) is movably connected with the first telescoping tube (1)；First fluid passage (11) is offered in described first telescoping tube (1), second fluid passage (12) is offered in described second telescoping tube (2), the 3rd fluid passage (13) is offered in described PP-R outer tube (3), described first fluid passage (11) is connected with second fluid passage (12), and described second fluid passage (12) is connected with the 3rd fluid passage (13)；One end that described first telescoping tube (1) is connected with the second telescoping tube (2) is provided with the first sealing ring (41), one end that described second telescoping tube (2) is connected with the first telescoping tube (1) is provided with limiting section (21)；Described PP-R outer tube (3) is internal offers toroidal cavity (4), described toroidal cavity (4) is all connected with the outside of the first telescoping tube (1) and limiting section (21), offering the first through hole (31) on described limiting section (21), the two ends of described first through hole (31) are connected with toroidal cavity (4) and second fluid passage (12) respectively；Offering the second through hole (32) on the lateral surface of described PP-R outer tube (3), described second through hole (32) is connected with toroidal cavity (4), and described second through hole (32) screws togather and is provided with sealing screw (5).
2. the telescopic straight joint of one according to claim 1, it is characterized in that: described toroidal cavity (4) is provided with the second sealing ring (42) on the one end away from the second telescoping tube (2), the socket of described second sealing ring (42) is arranged on the first telescoping tube (1).
3. the telescopic straight joint of one according to claim 2, it is characterised in that: the aperture of described second sealing ring (42) is identical with the external diameter of the first telescoping tube (1).
4. the telescopic straight joint of one according to claim 1, it is characterized in that: described second telescoping tube (2) is internally installed smooth metallic layer (6), offering annular groove (51) on described first sealing ring (41), described smooth metallic layer (6) and the first sealing ring (41) are closely coupled.
5. the telescopic straight joint of one according to claim 1, it is characterized in that: described first telescoping tube (1) is provided with the fixing head (7) of hex nut shape on the one end away from the second telescoping tube (2), described fixing head (7) and described first telescoping tube (1) are integrated and are fabricated by.
6. the telescopic straight joint of one according to claim 1, it is characterised in that: described PP-R outer tube (3) is provided with bumper ring (8) on one end of toroidal cavity (4), and described bumper ring (8) is socketed in the first telescoping tube (1) outward.
7. the telescopic straight joint of one according to claim 1, it is characterised in that: described first fluid passage (11), second fluid passage (12) and the 3rd fluid passage (13) are the fluid passage of circle；The diameter of described second fluid passage (12) and the diameter of the 3rd fluid passage (13) are identical, and the diameter of described first fluid passage (11) is less than the diameter of second fluid passage (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520984417.6U CN205350657U (en) | 2015-12-02 | 2015-12-02 | Telescopic straight joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520984417.6U CN205350657U (en) | 2015-12-02 | 2015-12-02 | Telescopic straight joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205350657U true CN205350657U (en) | 2016-06-29 |
Family
ID=56166941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520984417.6U Expired - Fee Related CN205350657U (en) | 2015-12-02 | 2015-12-02 | Telescopic straight joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205350657U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107725828A (en) * | 2017-10-18 | 2018-02-23 | 费先艳 | The Extensible water tap of hydraulic pressure regulation and control |
| CN110595225A (en) * | 2019-10-08 | 2019-12-20 | 璧佃唉 | Condensing device for rapidly cooling high-temperature flue gas |
-
2015
- 2015-12-02 CN CN201520984417.6U patent/CN205350657U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107725828A (en) * | 2017-10-18 | 2018-02-23 | 费先艳 | The Extensible water tap of hydraulic pressure regulation and control |
| CN107725828B (en) * | 2017-10-18 | 2018-12-28 | 台州市宝康水暖器材有限公司 | The Extensible water tap of hydraulic pressure regulation |
| CN110595225A (en) * | 2019-10-08 | 2019-12-20 | 璧佃唉 | Condensing device for rapidly cooling high-temperature flue gas |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205350657U (en) | Telescopic straight joint | |
| KR20180084396A (en) | Street inlet having angle adjustable bellows and rainwater conduit construction method using this same | |
| CN201170408Y (en) | Four-way | |
| CN203010086U (en) | Cutting pipe grafting type branch pipe joint | |
| CN205424211U (en) | Modular quick -operation joint | |
| CN203669040U (en) | Multi-directional pipe connecting piece | |
| CN208221792U (en) | A kind of high intensity PPR pipe | |
| CN206419594U (en) | Hydraulic joint | |
| CN207486271U (en) | A kind of polyethylene outer protective pipe | |
| CN203979697U (en) | Elastic damage preventing PP-R pipe joint | |
| CN205001719U (en) | Cutting sleeve type three -way joint | |
| CN205001718U (en) | Three -way joint | |
| CN208024995U (en) | A kind of hydraulic engineering plastic conduit attachment device | |
| CN203823327U (en) | Adjustable diameter bending sealing connecting component for spraying pipeline | |
| CN204592664U (en) | A kind of multichannel selfsealings swivel joint of installation by adhering | |
| KR20130092207A (en) | Connector of hose for agricultural watering line | |
| CN214093501U (en) | Three-way pipe | |
| CN213776762U (en) | Plastic pipe elbow joint | |
| CN203836458U (en) | T-joint with internal threads | |
| CN204829033U (en) | Take sealing pipe fitting of bull crossover sub | |
| CN201636432U (en) | Water tap with linking device | |
| CN216867793U (en) | Pressure pipe connecting device | |
| CN203743681U (en) | Faucet connecting pipe | |
| CN203549220U (en) | Drain three-pass joint and drain system | |
| CN216112713U (en) | Multi-way connecting water pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20160629 Termination date: 20161202 |