CN216590471U - Corrugated pipe and fastening type sleeve connecting structure - Google Patents
Corrugated pipe and fastening type sleeve connecting structure Download PDFInfo
- Publication number
- CN216590471U CN216590471U CN202220144696.5U CN202220144696U CN216590471U CN 216590471 U CN216590471 U CN 216590471U CN 202220144696 U CN202220144696 U CN 202220144696U CN 216590471 U CN216590471 U CN 216590471U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- sealing
- corrugated pipe
- wall
- pipe body
- 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.)
- Active
Links
Images
Landscapes
- Joints That Cut Off Fluids, And Hose Joints (AREA)
Abstract
The utility model relates to the field of pipelines, in particular to a corrugated pipe and a fastening type sleeve connecting structure, which comprises a corrugated pipe body and a connecting assembly; the connecting assembly comprises a sleeve and a fastener; a plurality of gaps are respectively arranged on the peripheral surfaces of the two ends of the sleeve; the fastener is provided with a conical hole along the central axis direction; the corrugated pipe body is of a rotary structure and is provided with a plurality of wave crest portions and a plurality of wave trough portions which are alternately distributed in a wave shape, and the wave crest portions are of a hollow structure; under the condition that the two corrugated pipe bodies are installed in a matched mode through the connecting assembly, one ends of the two corrugated pipe bodies are inserted into the sleeve in a matched mode from two ends of the sleeve respectively, and a sealing element is arranged on each corrugated pipe body located in the sleeve; the inner wall of the sealing element pressure equalizing sleeve forms a sealing structure; two fasteners are respectively in threaded fit with two sides of the connecting sleeve and used for radially contracting the sleeve, and the inner wall of the sleeve compresses the wave peak part. The utility model discloses the structure is convenient for carry out high-speed joint and leakproofness good with two bellows bodies.
Description
Technical Field
The utility model relates to a pipeline field specifically is and a bellows and fastening formula telescopic connection structure.
Background
The corrugated pipe has good weather resistance and structural strength, so the corrugated pipe is widely applied to the fields of municipal drainage and pollution discharge engineering and the like and is also widely used as a gas pipeline;
the existing corrugated pipes are mostly buried underground when in use, when the corrugated pipes are constructed, two corrugated pipes need to be connected, and the stability and the sealing property between the two corrugated pipes are ensured, but the existing pipeline connecting structure is inconvenient to use and the sealing property between the pipe bodies after the connection is poor.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the purpose is to the problem that exists among the background art, provides a bellows and fastening formula telescopic connection structure.
The technical scheme of the utility model: a corrugated pipe and fastening type sleeve connecting structure comprises a corrugated pipe body and a connecting assembly; the connecting assembly comprises a sleeve and a fastener;
a plurality of gaps are respectively arranged on the peripheral surfaces of two ends of the sleeve, and external threads are arranged on the peripheral surface of the sleeve; the fastener is provided with a tapered hole along the central axis direction; the inner wall of the conical hole is provided with internal threads;
the corrugated pipe body is of a rotary structure and is provided with a plurality of wave crest parts and a plurality of wave trough parts which are alternately distributed in a wave shape, the wave crest parts protrude outwards along the radial direction of the corrugated pipe body, and the wave crest parts are of a hollow structure;
under the condition that the two corrugated pipe bodies are installed in a matched mode through the connecting assembly, one ends of the two corrugated pipe bodies are inserted into the sleeve in a matched mode from two ends of the sleeve respectively, and a sealing element is arranged on each corrugated pipe body located in the sleeve; the inner wall of the sealing element pressure equalizing sleeve forms a sealing structure; two fasteners are respectively in threaded fit with two sides of the connecting sleeve and used for radially contracting the sleeve, and the inner wall of the sleeve compresses the wave peak part.
Preferably, the sealing member includes a sealing portion a and a sealing portion b; the sealing part b is sleeved in the wave trough part of the corrugated pipe body in an interference manner, and the outer peripheral surface of the sealing part b is connected with the inner peripheral surface of the sealing part a; the outer peripheral surface of the seal portion a presses the inner wall of the sleeve.
Preferably, the sealing part a and the sealing part b are of an integrated structure; the side end faces of the sealing parts b respectively press two adjacent crest parts on the corrugated pipe body.
Preferably, the inner wall of the sleeve is provided with a receiving groove for fittingly receiving the sealing portion a.
Preferably, the inner walls of the two sides of the sleeve are respectively provided with a plurality of limiting blocks; the limiting blocks are respectively inserted into the wave trough parts in a matching mode.
Preferably, the inner wall of the sleeve is provided with a plurality of limiting plates; the limiting plates are circumferentially and uniformly distributed by taking the central axis of the sleeve as the center.
Preferably, the sealing element comprises a sealing sleeve a, a sealing sleeve b and a connecting sleeve;
two ends of the connecting sleeve are respectively connected with a sealing sleeve b and a sealing sleeve a; the sealing sleeve a is inserted into the corrugated pipe body in an interference manner; the sealing sleeve b is folded at the connecting sleeve and is sleeved on the outer side of the corrugated pipe body in an interference manner, and the inner wall of the sealing sleeve b compresses the inner wall of the sleeve.
Preferably, the inner wall of the sealing sleeve b is provided with a sealing part c for being sleeved into the wave trough part in an interference mode.
Preferably, the bellows body comprises an inner tube and an outer tube; the wave crest parts and the wave trough parts which are alternately distributed in a wave shape are outer pipes; the inner wall of the outer pipe is connected with the peripheral surface of the inner pipe.
Preferably, the outer end faces of each wave crest part at the two ends of the corrugated pipe body are provided with sealing grooves; the sealing ring is sleeved in the sealing groove in an interference manner.
Compared with the prior art, the above technical scheme of the utility model following profitable technological effect has:
the two corrugated pipe bodies are connected through the sleeve and the fastener, the operation is simple, the use is convenient, and the two corrugated pipe bodies have good stability and are not easy to separate after being connected; a sealing ring and a sealing element are arranged between the sleeve and the corrugated pipe body to form a double-sealing structure, so that the sealing effect is good; in addition, two sealing element structures are provided to meet the use requirement.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention.
Fig. 2 is a cross-sectional view of the sleeve of fig. 1.
Fig. 3 is a schematic perspective view of the three-dimensional structure of the bellows body and the sealing member installed in cooperation according to an embodiment of the present invention.
Fig. 4 is a perspective view of the sealing member of fig. 3.
Fig. 5 is a schematic perspective view of another embodiment of the present invention, in which the bellows body and the sealing element are installed in a matching manner.
Fig. 6 is a cross-sectional view of the seal of fig. 5.
FIG. 7 is a perspective view of the sealing member of FIG. 6
Reference numerals: 1. a bellows body; 101. a crest portion; 102. a wave trough portion; 2. a sleeve; 201. a gap; 202. accommodating grooves; 203. a limiting block; 3. a fastener; 4. a seal member; 41. a sealing part a; 42. a sealing part (b); 401. a sealing sleeve a; 402. a sealing sleeve b; 403. connecting sleeves; 404. and a sealing part c.
Detailed Description
Example one
As shown in fig. 1-2, the bellows and fastening type sleeve connection structure provided by the present invention comprises a bellows body 1 and a connection assembly; the connecting assembly comprises a sleeve 2 and a fastener 3;
a plurality of gaps 201 are respectively arranged on the outer peripheral surfaces of two ends of the sleeve 2 to divide the outer wall of the sleeve 2 into a plurality of petals so as to form radial contraction structures at the two ends of the sleeve 2; wherein the number of the slits 201 on each side of the sleeve 2 is not less than three; the plurality of gaps 201 are uniformly distributed in a circumferential manner by taking the central axis of the sleeve 2 as the center;
the outer peripheral surface of the sleeve 2 is provided with an external thread; the fastener 3 is provided with a conical hole along the central axis direction thereof; the inner wall of the conical hole is provided with internal threads;
the corrugated pipe body 1 is of a rotary structure, the corrugated pipe body 1 is provided with a plurality of wave crest parts 101 and a plurality of wave trough parts 102 which are alternately distributed in a wave shape, the wave crest parts 101 protrude outwards along the radial direction of the corrugated pipe body 1, and the wave crest parts 101 are of a hollow structure; the wave trough part 102 is positioned between two adjacent wave crest parts 101, so that the wave trough part 102 is inwards concave along the radial direction of the corrugated pipe body 1;
when the two corrugated pipe bodies 1 are installed in a matched mode through the connecting assembly, one ends of the two corrugated pipe bodies 1 are inserted into the sleeve 2 from two ends of the sleeve 2 in a matched mode respectively, and a sealing element 4 is arranged on each corrugated pipe body 1 located in the sleeve 2; the sealing element 4 presses the inner wall of the sleeve 2 tightly to form a sealing structure; the two fasteners 3 are respectively in threaded fit with two sides of the connecting sleeve 2 and used for radially contracting the sleeve 2, and the inner wall of the sleeve 2 compresses the crest part 101.
Example two
As shown in fig. 1-4, compared with the first embodiment, the sealing member 4 of the present invention includes a sealing portion a41 and a sealing portion b 42;
the sealing part b42 is sleeved in the wave trough part 102 of the corrugated pipe body 1 in an interference manner, and the outer peripheral surface of the sealing part b42 is connected with the inner peripheral surface of the sealing part a 41; the outer peripheral surface of the sealing portion a41 presses the inner wall of the sleeve 2 to form a sealing structure;
the side end surfaces of the sealing part b42 respectively press two adjacent crest portions 101 on the corrugated pipe body 1, that is, the cross section shape of the sealing part b42 is the same as the structure formed by the side walls close to the two adjacent crest portions 101 and the bottom surface of the crest portion 102, so as to ensure the stability of the sealing element 4 which is sleeved on the corrugated pipe body 1 in an interference manner between the two adjacent crest portions 101, and further improve the sealing property between the corrugated pipe body 1 and the sleeve 2;
the sealing part a41 and the sealing part b42 are made of elastic rubber materials in an integrated structure.
EXAMPLE III
As shown in fig. 2, compared with the second embodiment, the bellows and the fastening-type sleeve connection structure of the present invention, in the second embodiment, the inner wall of the sleeve 2 is provided with an accommodating groove 202 for accommodating the sealing portion a41 in a matching manner; two accommodating grooves 202 are formed in each sleeve 2, and the two accommodating grooves 202 are located between the plurality of gaps 201 on the two sides;
in the mounted state of the two bellows bodies 1 and the sleeve 2, the seal portion a41 is partially located in the receiving groove 202 and presses the inner wall of the receiving groove 202, so that the stability of the seal 4 after mounting is improved.
Example four
As shown in fig. 2, compared with the first embodiment, the corrugated pipe and fastening-type sleeve connection structure provided in the present invention has a plurality of stoppers 203 respectively disposed on the inner walls of the two sides of the sleeve 2 in the first embodiment;
under the installation state of the two corrugated pipe bodies 1 and the sleeve 2, the two ends of the sleeve 2 are radially contracted through the arranged fasteners 3, and the plurality of limit blocks 203 are respectively inserted into the wave trough parts 102 in a matching manner to form a limit structure, so that the connection stability of the two corrugated pipe bodies 1 is further improved, and the corrugated pipe bodies 1 are prevented from being separated from the sleeve 2.
Further, a plurality of limiting plates are arranged on the inner wall of the sleeve 2; the plurality of limiting plates are uniformly distributed in a circumferential manner by taking the central axis of the sleeve 2 as the center; under two bellows body 1 and the sleeve 2 installation state, the both ends of two bellows body 1 are followed the both sides of sleeve 2 and are inserted in the sleeve 2, and the both ends of two bellows body 1 compress tightly the both sides of a plurality of limiting plates respectively.
EXAMPLE five
As shown in fig. 1-2 and fig. 5-6, compared with the first embodiment, the sealing element 4 of the present invention includes a sealing sleeve a401, a sealing sleeve b402 and a connecting sleeve 403;
two ends of the connecting sleeve 403 are respectively connected with a sealing sleeve b402 and a sealing sleeve a 401; in the state that the sealing element 4 is matched with the corrugated pipe body 1, the sealing sleeve a401 is inserted into the corrugated pipe body 1 in an interference manner; the sealing sleeve b402 is folded at the connecting sleeve 403 to be sleeved outside the corrugated pipe body 1 in an interference manner, and the inner wall of the sealing sleeve b402 compresses the inner wall of the sleeve 2;
further, the inner wall of the sealing sleeve b402 is provided with a sealing portion c404 for interference fit into the wave trough portion 102.
The utility model discloses another sealing element 4 structure in one embodiment, the sealing sleeve a401 in the sealing element 4 is inserted into the bellows body 1 in an interference manner; the connecting sleeve 403 and the sealing sleeve b402 are both elastic structures; the sealing sleeve b402 is folded from the connecting sleeve 403 to be sleeved outside the corrugated pipe body 1 in an interference fit manner, and a sealing part c404 on the inner wall of the sealing sleeve b402 is sleeved in the wave trough part 102 at the end part of the corrugated pipe body 1 in a matching manner.
EXAMPLE six
Compared with the first embodiment, the corrugated pipe body 1 of the present embodiment includes an inner pipe and an outer pipe; a plurality of wave crest portions 101 and a plurality of wave trough portions 102 which are alternately distributed in a wave shape form are outer pipes; the inner wall of the outer pipe is connected with the peripheral surface of the inner pipe;
further, the outer end face of each crest 101 at two ends of the corrugated pipe body 1 is provided with a sealing groove; a sealing ring is sleeved in the sealing groove in an interference manner;
under two bellows body 1 and the cooperation installation state of sleeve 2, sealing washer and sealing member all are located sleeve 2 inboard and compress tightly the inner wall of sleeve 2, form double-seal structure, use fastener 3 to compress tightly sleeve 2 in the outside of bellows body 1.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto, and various changes can be made without departing from the gist of the present invention within the scope of knowledge possessed by those skilled in the art.
Claims (10)
1. A corrugated pipe and fastening type sleeve connecting structure is characterized by comprising a corrugated pipe body (1) and a connecting assembly; the connecting assembly comprises a sleeve (2) and a fastener (3);
a plurality of gaps (201) are respectively arranged on the peripheral surfaces of two ends of the sleeve (2), and external threads are arranged on the peripheral surface of the sleeve (2); the fastener (3) is provided with a tapered hole along the central axis direction thereof; the inner wall of the conical hole is provided with internal threads;
the corrugated pipe body (1) is of a rotary structure, the corrugated pipe body (1) is provided with a plurality of wave crest portions (101) and a plurality of wave trough portions (102) which are alternately distributed in a wave shape, the wave crest portions (101) protrude outwards along the radial direction of the corrugated pipe body (1), and the wave crest portions (101) are of a hollow structure;
under the condition that the two corrugated pipe bodies (1) are installed in a matched mode through the connecting assembly, one ends of the two corrugated pipe bodies (1) are inserted into the sleeve (2) from two ends of the sleeve (2) in a matched mode, and a sealing element (4) is arranged on each corrugated pipe body (1) located in the sleeve (2); the inner wall of the sealing element (4) presses the sleeve (2) tightly to form a sealing structure; two fasteners (3) are respectively in threaded fit with two sides of the connecting sleeve (2) and used for radially contracting the sleeve (2), and the inner wall of the sleeve (2) compresses the crest part (101).
2. A bellows and fastening sleeve connection according to claim 1, wherein the seal (4) comprises a seal portion a (41) and a seal portion b (42); the sealing part b (42) is sleeved in the wave trough part (102) of the corrugated pipe body (1) in an interference manner, and the outer peripheral surface of the sealing part b (42) is connected with the inner peripheral surface of the sealing part a (41); the outer peripheral surface of the seal portion a (41) presses the inner wall of the sleeve (2).
3. A bellows and fastening sleeve coupling structure according to claim 2, wherein the sealing portion a (41) and the sealing portion b (42) are of an integral structure; the side end surfaces of the sealing parts b (42) are respectively pressed on two adjacent crest parts (101) on the corrugated pipe body (1).
4. A bellows-and-tighten muff coupling structure according to claim 2, wherein the inner wall of the muff (2) is provided with a receiving groove (202) for fittingly receiving the sealing part a (41).
5. The corrugated pipe and fastening type sleeve connecting structure as claimed in claim 1, wherein a plurality of limiting blocks (203) are respectively provided on the inner walls of both sides of the sleeve (2); the plurality of stoppers (203) are respectively inserted into the wave trough part (102) in a matching manner.
6. A bellows and fastening type sleeve coupling structure according to claim 1, wherein the inner wall of the sleeve (2) is provided with a plurality of limiting plates; the limiting plates are circumferentially and uniformly distributed by taking the central axis of the sleeve (2) as the center.
7. A bellows-and-sleeve coupling structure as claimed in claim 1, wherein the seal (4) comprises a sealing boot a (401), a sealing boot b (402) and a connecting sleeve (403);
two ends of the connecting sleeve (403) are respectively connected with a sealing sleeve b (402) and a sealing sleeve a (401); the sealing sleeve a (401) is inserted into the corrugated pipe body (1) in an interference manner; the sealing sleeve b (402) is folded at the connecting sleeve (403) to be sleeved on the outer side of the corrugated pipe body (1) in an interference manner, and the inner wall of the sealing sleeve b (402) compresses the inner wall of the sleeve (2).
8. A bellows-and-sleeve connection as claimed in claim 7, wherein the inner wall of the sealing sleeve b (402) is provided with a sealing portion c (404) for interference fitting into the valley portion (102).
9. A bellows-and-fastening sleeve connection as claimed in claim 1, wherein the bellows body (1) comprises an inner tube and an outer tube; a plurality of wave crest parts (101) and a plurality of wave trough parts (102) which are alternately distributed in a wave shape are outer pipes; the inner wall of the outer pipe is connected with the peripheral surface of the inner pipe.
10. The bellows-fastening type sleeve connection structure as claimed in claim 1, wherein the outer end surface of each crest portion (101) at both ends of the bellows body (1) is provided with a seal groove; the sealing ring is sleeved in the sealing groove in an interference manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220144696.5U CN216590471U (en) | 2022-01-19 | 2022-01-19 | Corrugated pipe and fastening type sleeve connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220144696.5U CN216590471U (en) | 2022-01-19 | 2022-01-19 | Corrugated pipe and fastening type sleeve connecting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216590471U true CN216590471U (en) | 2022-05-24 |
Family
ID=81635714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220144696.5U Active CN216590471U (en) | 2022-01-19 | 2022-01-19 | Corrugated pipe and fastening type sleeve connecting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216590471U (en) |
-
2022
- 2022-01-19 CN CN202220144696.5U patent/CN216590471U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4664421A (en) | Forgiving profile pipe gasket | |
| US2980449A (en) | Self-sealing pipe coupling | |
| US5362112A (en) | Pipe joint construction and coupling therefor | |
| GB2218768A (en) | Pipe coupling with compressible sleeve | |
| US20110187059A1 (en) | Sealing Gasket for Corrugated Pipe | |
| CN216590471U (en) | Corrugated pipe and fastening type sleeve connecting structure | |
| CN2644836Y (en) | Collar clamp for connecting end socket tube | |
| US5709411A (en) | Draft compensating coupling member | |
| US1869021A (en) | Expansion joint or coupling | |
| CN211693882U (en) | Pipe assembly with novel anti-falling sealing structure | |
| CN215862230U (en) | Pipe connecting structure with anti-falling blades | |
| CN214947189U (en) | Pipe connecting device with anti-falling function | |
| US4426106A (en) | Pipe coupling | |
| CN108533208B (en) | Elastic gas sealing gasket for air seal of common screw thread oil pipe and sealing method | |
| CN216590470U (en) | Rib type corrugated pipe and sleeve connecting structure | |
| CN215488153U (en) | Leak-proof sealing pipe joint for hydraulic system | |
| CN215371376U (en) | MPP double-walled bellows | |
| CN212338517U (en) | Anti-sinking and anti-pulling clamping pressure pipe joint for metal water pipe | |
| CN216201330U (en) | Fastening structure for connecting corrugated pipes | |
| CN211624499U (en) | Water supply and drainage pipeline | |
| CN220228299U (en) | Stainless steel corrugated telescopic clamping and pressing pipe fitting | |
| KR200373716Y1 (en) | A Clip Type Connector Of PVC or Pe Double Wall Corrugated Pipe | |
| CN216112639U (en) | Corrugated pipe butt joint | |
| CN212960297U (en) | Quick connecting structure for pipe fittings | |
| CN214500413U (en) | Bidirectional anti-drop sealed pipe connecting structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |