CN210920440U - Corrugated pipe joint - Google Patents
Corrugated pipe joint Download PDFInfo
- Publication number
- CN210920440U CN210920440U CN201921484239.5U CN201921484239U CN210920440U CN 210920440 U CN210920440 U CN 210920440U CN 201921484239 U CN201921484239 U CN 201921484239U CN 210920440 U CN210920440 U CN 210920440U
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- groove
- waterproof
- pressing block
- corrugated pipe
- clamping
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Abstract
The utility model discloses a bellows joint belongs to the coupling field. The corrugated pipe joint comprises a connecting main body, a waterproof piece and a pressing block; one end of the connecting main body is a connecting end, and the other end of the connecting main body is an inserting end; the inner wall of the connecting body is provided with a groove, the waterproof piece comprises an annular waterproof part and an annular fixing part, the annular waterproof part is sleeved on the outer wall of the corrugated pipe, and the annular fixing part protrudes towards the direction far away from the central axis of the waterproof piece relative to the annular fixing part; one side of the annular fixing part is abutted against the groove, and the other side of the annular fixing part is abutted against the pressing block; the connecting main body is provided with a first limiting part, the pressing block is provided with a second limiting part, and the second limiting part is used for being matched with the first limiting part to limit the pressing block to move towards the side of the inserting end and to limit the waterproof piece to move towards the side of the inserting end. The utility model discloses a waterproof that corrugated pipe joint caused when can avoiding the bellows to insert warp, is favorable to promoting waterproof performance.
Description
Technical Field
The utility model relates to a coupling especially relates to a bellows joint.
Background
At present, a corrugated pipe and an external pipe fitting or other corrugated pipes are generally connected through a corrugated pipe joint, and in the prior art, a rubber part is generally arranged between a connecting body of the corrugated pipe joint and the corrugated pipe for water prevention; however, when the corrugated pipe is inserted into the joint, the insertion force acting direction is not fixed, and the insertion force is too large, so that the rubber member may be deformed, and the corrugated pipe cannot be sleeved in the rubber member, and the waterproof effect cannot be achieved.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide a corrugated pipe joint capable of improving waterproof performance.
The purpose of the utility model is realized by adopting the following technical scheme:
a corrugated pipe joint comprises a connecting main body, a waterproof piece and a pressing block; one end of the connecting body is a connecting end, the other end of the connecting body is an inserting end, the inserting end is used for inserting the corrugated pipe, and the connecting end is used for being connected with other devices;
the inner wall of the connecting body is provided with a groove, the waterproof piece comprises an annular waterproof part and an annular fixing part, the annular waterproof part is sleeved on the outer wall of the corrugated pipe, and the annular fixing part protrudes towards the direction far away from the central axis of the waterproof piece relative to the annular fixing part;
one side of the annular fixing part is abutted against the groove surface of the groove close to the connecting end side, and the other side of the annular fixing part is abutted against the pressing block; the connecting main body is provided with a first limiting part, the pressing block is provided with a second limiting part, and the second limiting part is used for being matched with the first limiting part to limit the pressing block to move towards the side of the inserting end, so that the waterproof piece is limited to move towards the side of the inserting end.
Further, the groove comprises a first groove part and a second groove part, the first groove part extends from the inner wall of the connecting body to the direction far away from the central axis of the connecting body, and the second groove part extends from the first groove part to the direction close to the connecting end; one end of the annular fixing portion is inserted into the second groove portion.
Furthermore, the first limiting part is a groove surface facing the connecting end side in the groove, and the second limiting part is an end surface of the pressing block close to the inserting end side; the pressing block has radial elasticity.
Further, the waterproof member is waterproof rubber.
Further, the clamping device is further included; the connecting body is provided with a plurality of clamping grooves, the clamping piece is provided with a plurality of clamping jaws, and the side, close to the central axis of the clamping piece, of each clamping jaw is provided with a boss;
the clamping piece is used for clamping the connecting body to limit the axial movement of the corrugated pipe; the clamping piece is clamped in the connecting body, the clamping jaws are clamped in the clamping grooves, and the bosses are clamped in the wave troughs of the corrugated pipe.
Furthermore, the groove surface of the clamping groove close to the side of the connecting end is a first inclined surface, and the end surface of the clamping jaw close to the side of the connecting end is a second inclined surface; when the jack catch received toward the thrust of connecting end direction, the second inclined plane is followed first inclined plane is toward being close the connecting end removes, the boss is upwards removed in the direction of keeping away from the bellows trough in the footpath.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the deformation of the waterproof part caused by the installation of the corrugated pipe into the connecting main body is avoided, and the waterproof performance of the corrugated pipe joint is improved; the use confidence of the consumer can be enhanced.
Drawings
Fig. 1 is a use state diagram of the bellows joint of the present invention;
fig. 2 is an exploded view of the bellows joint of the present invention;
FIG. 3 is a cross-sectional view of the bellows joint of the present invention;
FIG. 4 is an enlarged view of portion A of FIG. 3;
FIG. 5 is an enlarged view of the portion B of FIG. 3;
fig. 6 is a cross-sectional view of a connecting body of a bellows joint of the present invention;
in the figure: 10. a connecting body; 101. an insertion end; 102. a connecting end; 11. a groove; 112. a second groove portion; 12. a clamping groove; 121. a first inclined surface; 13. a first limiting part; 20. a waterproof member; 21. an annular waterproof portion; 22. a ring-shaped fixing portion; 30. briquetting; 31. a second limiting part; 40. a retainer; 41. a claw; 411. a boss; 412. a second inclined surface; 90. a bellows.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.
As shown in fig. 1 to 6, the present embodiment provides a bellows joint including a connection body 10, a waterproof member 20, and a pressing block 30; one end of the connecting body 10 is a connecting end 102, the other end is an inserting end 101, the connecting end 102 is provided with threads, the inserting end 101 is used for inserting the corrugated pipe 90, and the connecting end 102 is used for connecting with other devices; the bellows joint can be used for connecting one bellows 90 with another bellows 90, and can also be used for connecting the bellows 90 with other pipelines.
Specifically, the inner wall of the connecting body 10 of the present embodiment is provided with an annular groove 11, and the groove 11 extends along a radial direction away from the central axis of the connecting body 10; the waterproof member 20 of the present embodiment includes an annular waterproof portion 21 and an annular fixing portion 22, the annular waterproof portion 21 is configured to be sleeved on an outer wall of the corrugated tube 90, and the annular fixing portion 22 protrudes in a direction away from a central axis of the waterproof member 20 relative to the annular fixing portion 22; one side of the annular fixing part 22 is abutted against the groove wall of the groove 11 close to one side of the connecting end 102, and the other side is abutted against the pressing block 30; the connecting body 10 is provided with a first limiting part 13, the pressing block 30 is provided with a second limiting part 31, and the second limiting part 31 is used for being matched with the first limiting part 13 so as to limit the movement of the pressing block 30 towards the insertion end 101 side, so that the movement of the waterproof piece 20 towards the insertion end 101 side is limited, and the pressing block 30 is prevented from falling off.
Preferably, the waterproof member 20 of the present embodiment is a waterproof rubber ring.
When the corrugated pipe joint of the embodiment is assembled, the waterproof part 20 is firstly inserted into the connecting body 10, the annular waterproof part 21 of the waterproof part 20 is arranged close to the side of the connecting head, one side, close to the connecting end 102, of the annular fixing part 22 of the waterproof part 20 abuts against the groove wall of the groove 11, then the pressing block 30 is inserted into the connecting body 10, the pressing end of the pressing block 30 abuts against the annular fixing part 22, the second limiting part 31 of the pressing block 30 is matched with the first limiting part 13 of the connecting body 10, so that the pressing block 30 is prevented from moving towards the approaching insertion end 101 through the limitation of the second limiting part 31, the waterproof part 20 is prevented from moving towards the approaching insertion end 101, and the groove wall, close to the connecting end 102, of the groove 11 can prevent the waterproof part 20 from moving towards; after the pressing block 30 is assembled, the corrugated pipe 90 can be inserted into the connector from the insertion end 101, the pressing block 30 is arranged in the connector to fix the waterproof part 20, so that the deformation of the rubber part can not be caused when the corrugated pipe 90 is inserted, and when the connector is used, the waterproof part 20 is fixed on the insertion side of the connector, so that the problem of waterproof failure caused by the deformation of the rubber part when the corrugated pipe 90 is assembled can be avoided, and the waterproof performance of the connector can be improved; in addition, due to the arrangement of the pressing block 30, when the joint is used by a consumer, although the waterproof effect is judged by visually observing whether the waterproof piece 20 is deformed, the arrangement of the pressing block 30 is beneficial to enhancing the use confidence of the consumer.
Preferably, in order to improve the fixing effect on the waterproof member 20 and prevent the waterproof member 20 from being deformed due to the insertion force or other factors when the corrugated tube 90 is inserted from the insertion end 101, the groove 11 includes a first groove portion and a second groove portion 112, the first groove portion extends from the inner wall of the connecting body 10 to the direction away from the central axis of the connecting body 10, and the second groove portion 112 extends from the first groove portion to the direction close to the connecting end 102; one end of the annular fixing portion 22 is inserted into the second groove portion 112; through the arrangement of the structure, when the corrugated pipe 90 is inserted, the corrugated pipe 90 can be inserted into the annular waterproof part 21, and the waterproof effect is ensured.
On the basis of the above structure, in order to realize the fixing action of the connecting body 10 on the pressing block 30, the present embodiment is implemented by: the first limiting part 13 is a groove surface facing the connecting end 102 side in the groove 11, and the second limiting part 31 is an end surface of the pressing block 30 close to the insertion end 101 side; the pressing block 30 has radial elasticity, and the pressing block 30 is in interference fit with the connecting main body 10; through the arrangement of the structure, the waterproof piece 20 can be effectively fixed between the connecting main body 10 and the pressing block 30, so that the waterproof piece is inserted into the annular waterproof part 21 when the installation of the corrugated pipe 90 is promoted, and the waterproof performance is ensured; the second limiting portion 31 is also beneficial to preventing the pressing block 30 from falling off after being assembled, and the assembly stability is ensured.
In other embodiments, the fitting relationship between the pressing block 30 and the connecting body 10 can be realized by glue, snap, ultrasonic, lock screw, etc.
Preferably, in order to connect the corrugated tube 90 with the joint after the corrugated tube 90 is inserted into the joint, so as to ensure the adapter performance of the joint, the corrugated tube joint of the present embodiment further includes a clamping member 40; the connecting body 10 is provided with a plurality of clamping grooves 12, the clamping piece 40 is provided with a plurality of claws 41, and the side of the claw 41 close to the central axis of the clamping piece 40 (namely the side of the claw 41 far away from the clamping grooves 12) is provided with a lug boss 411; the retainer 40 is adapted to be snapped to the connecting body 10 to limit axial movement of the bellows 90; when the clamping member 40 is clamped in the connecting body 10, the clamping claws 41 are clamped in the clamping grooves 12, and the bosses 411 are clamped in the wave troughs of the corrugated pipe 90; through the setting of above-mentioned structure, be favorable to on the basis of not destroying bellows 90 structure, go into the trough of bellows 90 through boss 411 card, restrict bellows 90's axial displacement, guarantee connection stability.
Specifically, after the corrugated tube 90 is inserted into the connecting body 10, a gap exists between the connecting body 10 and the corrugated tube 90 near the insertion end 101 side, and the retainer 40 is inserted into the connecting body 10 through the gap so that the bosses 411 are caught in the valleys of the corrugated tube 90.
Preferably, in order to facilitate the removal of the bellows 90 of the insert joint, the groove surface of the snap groove 12 on the side close to the connection end 102 is a first inclined surface 121, and the end surface of the claw 41 on the side close to the connection end 102 is a second inclined surface 412; when the claw 41 receives a thrust force in a direction approaching the connection end 102, the second inclined surface 412 moves toward the connection end 102 along the first inclined surface 121, and the boss 411 moves in a direction away from the trough of the corrugated tube 90 in a radial direction; when the corrugated pipe 90 needs to be disassembled, the claws 41 are opened outwards along the first inclined surfaces 121, and the bosses 411 on the claws 41 are separated from the wave troughs of the corrugated pipe 90, so that the corrugated pipe 90 can be disassembled.
In this embodiment, the waterproof member 20 and the pressing block 30 may be separated into two pieces, or may be manufactured by two-shot molding, and the pressing block 30 may be a plastic piece or a hardware piece.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.
Claims (6)
1. A bellows joint, characterized by:
comprises a connecting main body, a waterproof piece and a pressing block; one end of the connecting body is a connecting end, the other end of the connecting body is an inserting end, the inserting end is used for inserting the corrugated pipe, and the connecting end is used for being connected with other devices;
the inner wall of the connecting body is provided with a groove, the waterproof piece comprises an annular waterproof part and an annular fixing part, the annular waterproof part is sleeved on the outer wall of the corrugated pipe, and the annular fixing part protrudes towards the direction far away from the central axis of the waterproof piece relative to the annular fixing part;
one side of the annular fixing part is abutted against the groove surface of the groove close to the connecting end side, and the other side of the annular fixing part is abutted against the pressing block; the connecting main body is provided with a first limiting part, the pressing block is provided with a second limiting part, and the second limiting part is used for being matched with the first limiting part to limit the pressing block to move towards the side of the inserting end, so that the waterproof piece is limited to move towards the side of the inserting end.
2. A bellows joint according to claim 1, wherein:
the groove comprises a first groove part and a second groove part, the first groove part extends from the inner wall of the connecting main body to the direction far away from the central axis of the connecting main body, and the second groove part extends from the first groove part to the direction close to the connecting end; one end of the annular fixing portion is inserted into the second groove portion.
3. A bellows joint according to claim 1, wherein:
the first limiting part is a groove surface facing the connecting end side in the groove, and the second limiting part is an end surface of the pressing block close to the inserting end side; the pressing block has radial elasticity.
4. A bellows joint according to claim 1, wherein:
the waterproof piece is waterproof rubber.
5. A corrugated pipe joint as claimed in any one of claims 1 to 4, wherein:
the clamping piece is also included; the connecting body is provided with a plurality of clamping grooves, the clamping piece is provided with a plurality of clamping jaws, and the side, close to the central axis of the clamping piece, of each clamping jaw is provided with a boss;
the clamping piece is used for clamping the connecting body to limit the axial movement of the corrugated pipe; the clamping piece is clamped in the connecting body, the clamping jaws are clamped in the clamping grooves, and the bosses are clamped in the wave troughs of the corrugated pipe.
6. A bellows joint according to claim 5, wherein:
the groove surface of the clamping groove close to the side of the connecting end is a first inclined surface, and the end surface of the clamping jaw close to the side of the connecting end is a second inclined surface; when the jack catch received toward the thrust of connecting end direction, the second inclined plane is followed first inclined plane is toward being close the connecting end removes, the boss is upwards removed in the direction of keeping away from the bellows trough in the footpath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921484239.5U CN210920440U (en) | 2019-09-05 | 2019-09-05 | Corrugated pipe joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921484239.5U CN210920440U (en) | 2019-09-05 | 2019-09-05 | Corrugated pipe joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210920440U true CN210920440U (en) | 2020-07-03 |
Family
ID=71343628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921484239.5U Active CN210920440U (en) | 2019-09-05 | 2019-09-05 | Corrugated pipe joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210920440U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112145836A (en) * | 2020-09-17 | 2020-12-29 | 席赫 | Oil pipe connecting and fixing device for oil exploitation |
| CN113231486A (en) * | 2021-02-19 | 2021-08-10 | 青岛宏泰铜业有限公司 | Manufacturing process of high-precision welding-free special copper coil |
-
2019
- 2019-09-05 CN CN201921484239.5U patent/CN210920440U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112145836A (en) * | 2020-09-17 | 2020-12-29 | 席赫 | Oil pipe connecting and fixing device for oil exploitation |
| CN113231486A (en) * | 2021-02-19 | 2021-08-10 | 青岛宏泰铜业有限公司 | Manufacturing process of high-precision welding-free special copper coil |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Corrugated pipe joint Effective date of registration: 20210809 Granted publication date: 20200703 Pledgee: China Co. truction Bank Corp Guangzhou economic and Technological Development Zone sub branch Pledgor: REALINKAGE Co.,Ltd. Registration number: Y2021980007404 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |