CN210424098U - Combined air pipe joint - Google Patents
Combined air pipe joint Download PDFInfo
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- CN210424098U CN210424098U CN201920683378.4U CN201920683378U CN210424098U CN 210424098 U CN210424098 U CN 210424098U CN 201920683378 U CN201920683378 U CN 201920683378U CN 210424098 U CN210424098 U CN 210424098U
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- thread section
- conical surface
- sleeve
- expansion
- trachea
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Abstract
The utility model relates to a technical field of air pipe connector, wherein disclose a modular air pipe connector, including inlaying the sleeve pipe of dress in the trachea and inlaying dress in the intraductal joint body of sleeve, the sleeve pipe includes interior screw thread section, the tip circumference interval of interior screw thread section is provided with the expansion piece, the expansion piece is followed the sheathed tube axis direction extends, and is adjacent form the expansion groove between the expansion piece, the expansion piece has elasticity, the joint body include with interior screw thread section complex external screw thread section and butt portion, butt portion butt in the expansion piece is inboard, and makes the expansion piece is kept away from the one end of interior screw thread section is along self radial expansion, the sleeve pipe and the joint body extends along trachea axis direction has the through-hole with the trachea intercommunication. The utility model discloses have sleeve pipe fixed mounting on the trachea, connect this body coupling in the sleeve pipe, contactless trachea reduces the excessive wearing and tearing to the tracheal inner wall when repeated dismouting connects, guarantees the effect of the leakproofness of joint department.
Description
Technical Field
The utility model belongs to the technical field of the technique of air pipe connector and specifically relates to a modular air pipe connector is related to.
Background
At present, the pneumatic transmission and control technology (pneumatic technology) is widely applied in various industrial fields, the pneumatic technology takes compressed air as a working medium, a pipeline needs to be laid in equipment to convey the compressed air, and joints are needed to be used for connection in air path connection.
The existing Chinese patent with publication number CN203463838U discloses an obliquely inserted type air pipe connector, which comprises a tubular connector body, wherein a raised positioning end is arranged in the middle of the connector body, an air inlet pipe connector is arranged on one side of the positioning end, the outer end of the air inlet pipe connector is a guiding conical surface, an integrated inclined flange is arranged at one end, close to the positioning end, of the guiding conical surface, and the taper of the inclined flange is greater than that of the guiding conical surface.
The above prior art solutions have the following drawbacks: the connector utilizes tracheal rubber characteristic, guarantees reliability and the leakproofness of joint installation through the interference fit of trachea inner wall and slope flange, uses after equipment adoption, when depositing, transporting after the split, repeated equipment trachea and connector, slope flange and trachea inner wall friction wear each other lead to the increase of trachea internal diameter, probably have the clearance between trachea inner wall and the slope flange, reduce tracheal leakproofness and life.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a combination formula air pipe connector that easy dismounting, gas tightness are good.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides a modular trachea joint, including inlaying the sleeve pipe of dress in the trachea and inlaying dress in the intraductal joint body of sleeve, the sleeve pipe includes internal thread section, the tip circumference interval of internal thread section is provided with the expansion piece, the expansion piece is followed the sheathed tube axis direction extends, and is adjacent form the expansion groove between the expansion piece, the expansion piece has elasticity, the joint body include with internal thread section complex external screw thread section and butt portion, the butt portion butt in the expansion piece is inboard, and makes the expansion piece is kept away from the one end of internal thread section is along self radial expansion, the sleeve pipe and the joint body extends along trachea axis direction has the through-hole with the trachea intercommunication.
Through adopting above-mentioned technical scheme, sleeve pipe fixed mounting connects the body to be connected in the sleeve pipe on the trachea, and contactless trachea reduces the excessive wearing and tearing to tracheal inner wall when repeated dismouting connects, guarantees the leakproofness of joint department.
The utility model discloses further set up to: the inner sides of the expansion pieces enclose an inner conical surface, the diameter of the inner conical surface far away from the inner thread section is smaller than that of the inner conical surface close to the inner thread section, and the abutting part abuts against the inner conical surface.
Through adopting above-mentioned technical scheme, connect the body to pass through threaded connection in the sleeve, when screwing up the screw thread, butt portion and expansion piece are close to each other to the butt, and butt portion butt is on the internal conical surface of expansion piece for the notch grow in expansion groove, expansion piece are along its radial expansion, and the outside fastening butt of expansion piece guarantees the reliability of sleeve installation on endotracheal wall.
The utility model discloses further set up to: flanges are arranged on the outer side of the sleeve at intervals along the axis direction of the sleeve, the flanges are annular, and the outer diameter of each flange is larger than the inner diameter of the trachea.
Through adopting above-mentioned technical scheme, the flange is interference fit with the trachea inner wall, guarantees the leakproofness of joint.
The utility model discloses further set up to: the outer conical surface is arranged on the outer side of one end, far away from the inner thread section, of the expansion piece, the diameter of one end, far away from the inner thread section, of the outer conical surface is smaller than the diameter of one end, close to the inner thread section, of the outer conical surface, the end, close to the outer conical surface, of the flange is set to be a guiding conical surface, and the diameter of one end, close to the outer conical surface, of the guiding conical surface is smaller than the diameter of one end, far away from.
By adopting the technical scheme, when the sleeve is embedded, the outer conical surface and the guide conical surface are used for correctly installing the guide sleeve into the trachea.
The utility model discloses further set up to: one end, far away from the outer conical surface, of the flange is set to be a non-return surface, and the non-return surface is perpendicular to the axis of the sleeve.
Through adopting above-mentioned technical scheme, flange and tracheal inner wall interference fit, because of tracheal rubber characteristic, the cladding of tracheal inner wall is in the flange periphery, and the non return face is kept away from on sleeve pipe one end joint and the tracheal inner wall, prevents that the sleeve pipe after the installation from breaking away from in the trachea.
The utility model discloses further set up to: the outer side of one end, far away from the expansion piece, of the internal thread section is provided with a positioning shoulder used for being abutted to the end part of the trachea.
Through adopting above-mentioned technical scheme, the location shoulder is used for guaranteeing that the sleeve pipe installation targets in place, and in the sleeve pipe imbeds completely to the trachea promptly, when guaranteeing the repeated erection joint body simultaneously, the sleeve pipe can not too go deep into to the trachea inside, guarantees that butt portion can correct butt to the interior conical surface of expansion piece on.
The utility model discloses further set up to: and one end of the external thread section, which is far away from the abutting part, is provided with a positioning table used for abutting against the internal thread section.
Through adopting above-mentioned technical scheme, the location platform is used for guaranteeing to connect the body installation to target in place for on the correct butt expansion piece of butt portion, prevent the excessive expansion of expansion piece to damaging the trachea, guarantee the normal use of trachea and joint.
The utility model discloses further set up to: the outside of the trachea is sleeved with a lantern ring which is matched with the expansion piece to fasten the trachea.
Through adopting above-mentioned technical scheme, the lantern ring is used for supporting the trachea, prevents that the expansion piece from excessively expanding, leads to the trachea to excessively warp and even break, and expansion piece and lantern ring press from both sides tight fixed trachea from both sides simultaneously, guarantee the reliability of articulate.
The utility model discloses further set up to: one end of the lantern ring is provided with a positioning ring used for abutting against the end part of the trachea.
Through adopting above-mentioned technical scheme, for guaranteeing the correct cooperation of the lantern ring with the expansion piece, the holding ring is used for guaranteeing that the lantern ring once installs in place, avoids adjusting the position of the lantern ring, makes things convenient for the installation of joint.
To sum up, the utility model discloses a beneficial technological effect does:
1. the sleeve is fixedly arranged on the air pipe, the joint body is connected in the sleeve and does not contact with the air pipe, excessive abrasion to the inner wall of the air pipe when the joint is repeatedly disassembled and assembled is reduced, the air pipe is ensured to be correctly connected with the joint, and the sealing performance of the air pipe joint is ensured;
2. the outer flange of the sleeve is in interference fit with the inner wall of the air pipe, and the joint body is connected with the sleeve through threads, so that the sealing performance of the joint of the air pipe is ensured;
3. the expansion piece is radially expanded to abut against the inner wall of the trachea, the lantern ring is sleeved on the outer side of the trachea to avoid excessive deformation of the trachea, and the expansion piece and the lantern ring clamp and fix the trachea from two sides to guarantee the reliability of joint connection.
Drawings
Fig. 1 is a schematic sectional view of the present invention.
Fig. 2 is a sectional view of the sleeve.
In the figure, 1, a sleeve; 11. a positioning shoulder; 12. an internal thread section; 13. an expansion sheet; 131. an outer conical surface; 132. an inner conical surface; 14. an expansion slot; 15. a flange; 151. a guiding conical surface; 152. a non-return face; 2. a connector body; 21. a positioning table; 22. an external threaded section; 23. an abutting portion; 3. a collar; 31. a positioning ring; 4. the trachea.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, a combined type air pipe joint disclosed by the present invention comprises a sleeve 1 embedded in an air pipe 4 and a joint body 2 in threaded connection with the sleeve 1; the connector body 2 does not contact the air pipe 4, and excessive abrasion of the inner wall of the air pipe 4 can not be caused when the connector is repeatedly disassembled and assembled, so that the connector is correctly and reliably connected with the air pipe 4, and the sealing performance of the air pipe connector is ensured.
Referring to fig. 1 and 2, sleeve 1 and joint body 2 extend along 4 axial directions of trachea and have the through-hole that communicates with trachea 4, sleeve 1 includes internal thread section 12, the tip of internal thread section has the expansion piece along the extension of sleeve axial direction interval, form the expansion groove between the adjacent expansion piece, the expansion piece has elasticity, the inboard of expansion piece 13 encloses into interior conical surface 132, the internal diameter that internal thread section 12 was kept away from to interior conical surface 132 is less than its internal diameter that is close to internal thread section 12, joint body 2 includes with internal thread section 12 complex external thread section 22 and be used for expanding the butt portion 23 of expansion piece 13, butt portion 23 butt is on interior conical surface 132.
Referring to fig. 1 and 2, the outer side of the sleeve 1 is provided with flanges 15 at intervals along the axial direction thereof, the outer diameter of the flanges 15 is larger than the inner diameter of the trachea 4, the outer side of one end of the expansion piece 13 far away from the internal thread section 12 is provided with an external conical surface 131, one end of the flange 15 close to the external conical surface 131 is provided with a guiding conical surface 151, one end of the flange 15 far away from the external conical surface 131 is provided with a non-return surface 152, and the non-return surface 152 is perpendicular to the axial; when the sleeve 1 is embedded, the outer conical surface 131 and the guide conical surface 151 are used for correctly installing the sleeve 1 into the air pipe 4, the flange 15 is in interference fit with the inner wall of the air pipe 4, the inner wall of the air pipe 4 is coated on the periphery of the flange 15 due to the rubber characteristic of the air pipe 4, the non-return surface 152 is far away from one end of the sleeve 1 and clamped on the inner wall of the air pipe 4, the sleeve 1 after installation is prevented from being separated from the air pipe 4, and the sealing performance of a joint is guaranteed.
A positioning shoulder 11 used for abutting against the end part of the air pipe 4 is arranged on the outer side of one end of the sleeve 1 far away from the expansion piece 13, and a positioning table 21 used for abutting against the positioning shoulder 11 is arranged on one end of the external thread section 22 far away from the abutting part 23; the positioning shoulder 11 is matched with the positioning table 21 to ensure that the sleeve 1 and the joint body 2 are installed in place, so that the abutting part 23 is abutted against the expansion piece 13 correctly, the expansion piece 13 is prevented from being excessively expanded to damage the air pipe 4 or the outer side of the expansion piece 13 cannot be fastened and abutted against the inner wall of the air pipe 4, and the normal use of the air pipe 4 and the joint is ensured.
The lantern ring 3 is sleeved outside the air pipe 4, the lantern ring 3 is matched with the expansion piece 13 to fasten the air pipe 4, the lantern ring 3 is used for supporting the air pipe 4, the expansion piece 13 is prevented from being excessively expanded, the air pipe 4 is prevented from being excessively deformed or even broken, meanwhile, the expansion piece 13 and the lantern ring 3 clamp and fix the air pipe 4 from two sides, and the connection reliability of the joint is guaranteed; one end of the lantern ring 3 is provided with a positioning ring 31 used for abutting against the end part of the air pipe 4, so that the lantern ring 3 is guaranteed to be installed in place at one time, the position of the lantern ring 3 is prevented from being adjusted, and the installation of the joint is facilitated.
The implementation principle of the embodiment is as follows: sleeve pipe 1 fixed mounting is on trachea 4, connect body 2 to connect in sleeve pipe 1, contactless trachea 4, reduce the excessive wearing and tearing to trachea 4 inner wall when repeated dismouting connects, sleeve pipe 1 outward flange 15 and trachea 4 inner wall interference fit, connect body 2 and sleeve pipe 1 to pass through threaded connection, guarantee the leakproofness of trachea joint department, expansion piece 13 supports tight trachea 4 inner wall along its radial expansion, the lantern ring 3 cup joints in the trachea 4 outside and avoids trachea 4 excessive deformation, expansion piece 13 and lantern ring 3 press from both sides tight fixed trachea 4, guarantee the reliability of articulate.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (9)
1. The utility model provides a modular trachea connects which characterized in that: comprises a sleeve (1) embedded in an air pipe (4) and a joint body (2) embedded in the sleeve (1), the sleeve (1) comprises an internal thread section (12), expansion pieces (13) are arranged at the end part of the internal thread section (12) at intervals in the circumferential direction, the expansion pieces (13) extend along the axial direction of the sleeve (1), an expansion groove (14) is formed between the expansion pieces (13), the expansion piece (13) has elasticity, the joint body (2) comprises an external thread section (22) matched with the internal thread section (12) and an abutting part (23), the abutting part (23) abuts against the inner side of the expansion piece (13), and the end of the expansion piece (13) far away from the internal thread section (12) is expanded along the radial direction of the expansion piece, the sleeve (1) and the joint body (2) extend along the axis direction of the air pipe (4) to form a through hole communicated with the air pipe (4).
2. The modular air tube connector of claim 1, further comprising: the inner sides of the expansion pieces (13) enclose an inner conical surface (132), the diameter of the inner conical surface (132) far away from the internal thread section (12) is smaller than that of the inner conical surface (132) close to the internal thread section (12), and the abutting part (23) abuts against the inner conical surface (132).
3. The modular air hose connector of claim 2, wherein: flanges (15) are arranged on the outer side of the sleeve (1) at intervals along the axis direction of the sleeve, the flanges (15) are annular, and the outer diameter of each flange (15) is larger than the inner diameter of the trachea (4).
4. A modular air hose coupler according to claim 3, wherein: the outer side of the end, far away from the internal thread section (12), of the expansion piece (13) is provided with an outer conical surface (131), the diameter of the end, far away from the internal thread section (12), of the outer conical surface (131) is smaller than the diameter of the end, close to the internal thread section (12), of the outer conical surface (131), the end, close to the outer conical surface (15) is set as a guide conical surface (151), the diameter of the end, close to the outer conical surface (131), of the guide conical surface (151) is smaller than the diameter of the end, far away from the outer conical surface (131), of the guide conical surface (151).
5. The modular air tube connector of claim 4, further comprising: one end of the flange (15) far away from the outer conical surface (131) is provided with a non-return surface (152), and the non-return surface (152) is perpendicular to the axis of the sleeve (1).
6. The modular air hose connector of claim 2, wherein: and a positioning shoulder (11) used for abutting against the end part of the air pipe (4) is arranged on the outer side of one end of the internal thread section (12) far away from the expansion sheet (13).
7. The modular air hose connector of claim 2, wherein: and one end of the external thread section (22) far away from the abutting part (23) is provided with a positioning table (21) for abutting against the internal thread section (12).
8. The modular air hose connector of claim 2, wherein: the outer part of the air pipe (4) is sleeved with a lantern ring (3), and the air pipe (4) is extruded and fixed between the expansion sheet (13) and the lantern ring (3).
9. The modular air tube connector of claim 8, further comprising: one end of the lantern ring (3) is provided with a positioning ring (31) used for abutting against the end part of the air pipe (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920683378.4U CN210424098U (en) | 2019-05-14 | 2019-05-14 | Combined air pipe joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920683378.4U CN210424098U (en) | 2019-05-14 | 2019-05-14 | Combined air pipe joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210424098U true CN210424098U (en) | 2020-04-28 |
Family
ID=70371456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920683378.4U Active CN210424098U (en) | 2019-05-14 | 2019-05-14 | Combined air pipe joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210424098U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113353562A (en) * | 2021-06-30 | 2021-09-07 | 章丘华明水泥新型建材有限公司 | Blockage clearing device of screw conveyor |
| CN113775836A (en) * | 2020-06-10 | 2021-12-10 | 约克广州空调冷冻设备有限公司 | Joint |
-
2019
- 2019-05-14 CN CN201920683378.4U patent/CN210424098U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113775836A (en) * | 2020-06-10 | 2021-12-10 | 约克广州空调冷冻设备有限公司 | Joint |
| CN113775836B (en) * | 2020-06-10 | 2023-10-13 | 约克广州空调冷冻设备有限公司 | Joint |
| CN113353562A (en) * | 2021-06-30 | 2021-09-07 | 章丘华明水泥新型建材有限公司 | Blockage clearing device of screw conveyor |
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