CN220016485U - Quick connector for corrugated pipe - Google Patents
Quick connector for corrugated pipe Download PDFInfo
- Publication number
- CN220016485U CN220016485U CN202321411117.XU CN202321411117U CN220016485U CN 220016485 U CN220016485 U CN 220016485U CN 202321411117 U CN202321411117 U CN 202321411117U CN 220016485 U CN220016485 U CN 220016485U
- Authority
- CN
- China
- Prior art keywords
- connector
- corrugated pipe
- ring
- wall
- nipple
- 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.)
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 38
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 25
- 239000010959 steel Substances 0.000 claims abstract description 25
- 210000002445 nipple Anatomy 0.000 claims description 26
- 238000001514 detection method Methods 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 239000007789 gas Substances 0.000 description 10
- 239000002737 fuel gas Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The utility model provides a quick connector of a corrugated pipe, and belongs to the technical field of gas equipment. It has solved the laborious scheduling problem of current bellows quick connector connection. The quick-connection connector of the corrugated pipe comprises a corrugated pipe, an inner connector and an outer connector, wherein a sealing structure is arranged between the inner connector and the corrugated pipe, a circular lock ring is arranged between the inner connector and the outer connector in a sleeved mode, the lock ring is provided with a plurality of radial through holes and steel balls which are arranged in the through holes, the diameter of each steel ball is larger than the thickness of the lock ring, the inner connector is provided with a supporting part protruding inwards in the radial direction, the inner wall of the supporting part is provided with a first step groove and a second step groove which are connected, the first step groove is located between the first step groove and the outer connector, the inner diameter of the second step groove is larger than the inner diameter of the first step groove, and after the inner connector and the outer connector are locked through threads, the bottom of the first step groove is abutted against the steel balls so that the steel balls are embedded into one annular groove of the corrugated pipe. The utility model has the advantages of labor saving in operation, convenient connection and the like.
Description
Technical Field
The utility model belongs to the technical field of gas equipment, and relates to a quick connector, in particular to a corrugated pipe quick connector.
Background
When the gas pipeline is connected with a gas valve or a gas stove, the gas corrugated pipe is used, and the tightness and the firmness are good during the connection.
Applicant has devised a quick connector for gas tubes and filed a patent [ application number: 202222168497.0; authorized bulletin number: CN217714063U ], it includes bellows, nipple and outer joint, the tip that the nipple supplies the bellows penetrates and is equipped with sealing mechanism between nipple and the bellows, the seal cover of sealing in outer joint inner wall is sleeved outside to the tip that the bellows worn out the nipple, the inner wall of outer joint has radial inwards protruding and supplies seal cover outer end to contradict keeps off the shoulder, the nipple passes through internal thread and outer joint threaded connection, the bellows cover is equipped with and is annular butt ring between nipple and outer joint, the tip inner wall that the butt ring is towards the nipple side is the conical surface that expands outward, the bellows cover is equipped with the snap ring that is located between nipple and butt ring, snap ring outer lane department is contradicted by the conical surface, the snap ring is cyclic annular and has the breach, the nipple has radial inwards protruding and supplies the supporting part that the snap ring supported, the inner or the seal cover of outer joint is contradicted in the butt ring.
When the quick connector for the gas pipe is used, the clamping ring is pressed to shrink inwards in the radial direction by abutting against the conical surface of the ring, so that the clamping ring is locked in the annular groove of the corrugated pipe, the connection is convenient and firm, but the moment required by forcing the clamping ring to shrink inwards in the radial direction is large, so that a spanner or pliers and other tools are required to clamp the inner connector and the outer connector to enable the inner connector and the outer connector to rotate relatively, and therefore in a small installation space, the operation of the spanner or pliers and other tools is inconvenient, the inner connector and the outer connector are difficult to screw relatively, and the connection is inconvenient.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provides a corrugated pipe quick connector which is labor-saving in operation and convenient to connect.
The aim of the utility model can be achieved by the following technical scheme: the utility model provides a bellows quick connector, includes bellows, nipple and outer joint, the nipple supply the tip of bellows to penetrate and be equipped with seal structure between nipple and the bellows, the tip overcoat of bellows wear out nipple have sealed in the seal cover of outer joint inner wall, outer joint have the butt portion that supplies seal cover outer end to support to lean on, the nipple pass through internal thread and outer joint threaded connection, characterized in that, the bellows cover be equipped with and be annular lock ring between nipple and outer joint, the lock ring have a plurality of radial through-hole and all be equipped with the steel ball in the through-hole, the diameter of steel ball is greater than the thickness of lock ring, the nipple have radial inwards protruding supporting part, the inner wall of supporting part has step groove one and step groove two of meeting, the internal diameter of step groove two is greater than the internal diameter of step groove one, after nipple and outer joint screw thread locking, step groove one's tank bottom conflict steel ball so that the steel ball imbeds in the groove wall of one of seal cover has the end of a step groove or the other end of lock ring, the lock ring is by another end of groove.
In the corrugated pipe quick connector, the through holes are circumferentially and uniformly distributed in the lock ring.
In the quick connector for the corrugated pipe, the outer wall of the inner connector is provided with knurling, and the outer wall of the outer connector is provided with a convex ring which radially protrudes outwards and is in an outer hexagonal shape.
In the quick connector for the corrugated pipe, the abutting part is a radially inward convex retaining shoulder arranged on the inner wall of the outer connector, the outer end of the sealing sleeve is provided with a retainer ring which is turned inwards and is in a ring shape, and the retainer ring is positioned between the end part of the corrugated pipe and the retaining shoulder.
In the corrugated pipe quick connector, the inner connector is provided with a radial through leakage detection hole, and the inner end of the leakage detection hole is positioned between the sealing structure and the supporting part.
In the quick connector of the corrugated pipe, the sealing structure comprises a sealing ring embedded in the inner wall of the inner connector, the corrugated pipe is sleeved with a sheath, and the sealing ring is sealed on the outer wall of the sheath.
In the quick connector for the corrugated pipe, the sealing ring is provided with a plurality of sealing lips which are sealed on the outer wall of the sheath.
Compared with the prior art, when the corrugated pipe quick connector is connected, no tool is needed for assistance, the operation is labor-saving, the connection is convenient, the tightness is good, and the use safety is good.
Drawings
Fig. 1 is a perspective view of the quick connector for corrugated pipes.
Fig. 2 is a structural cross-sectional view of the instant bellows quick connector.
Fig. 3 is an enlarged view of the structure of the circle a in fig. 2.
Fig. 4 is a perspective view of the bellows quick connector with the nipple removed.
In the figure, 1, a corrugated pipe; 2. an inner joint; 21. a support part; 211. step groove I; 212. step groove II; 23. knurling; 24. a leak detection hole; 3. an outer joint; 31. an abutting portion; 32. a convex ring; 4. sealing sleeve; 41. a retainer ring; 5. a lock ring; 6. a steel ball; 7. a seal ring; 71. a sealing lip; 8. and (3) a sheath.
Description of the embodiments
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
As shown in fig. 1, 2, 3 and 4, the quick connector for corrugated pipe comprises a corrugated pipe 1, an inner connector 2 and an outer connector 3, wherein the inner connector 2 is used for the end part of the corrugated pipe 1 to penetrate, a sealing structure is arranged between the inner connector 2 and the corrugated pipe 1, the sealing sleeve 4 sealed on the inner wall of the outer connector 3 is sleeved outside the end part of the corrugated pipe 1 penetrating out of the inner connector 2, the outer connector 3 is provided with an abutting part 31 for abutting the outer end of the sealing sleeve 4, the inner connector 2 is connected with the outer connector 3 through internal threads, the corrugated pipe 1 is sleeved with a circular lock ring 5 which is positioned between the inner connector 2 and the outer connector 3, the lock ring 5 is provided with six radially penetrating through holes, and steel balls 6 are arranged in the through holes, the diameter of the steel ball 6 is larger than the thickness of the lock ring 5, the inner joint 2 is provided with a supporting part 21 protruding inwards in the radial direction, the inner wall of the supporting part 21 is provided with a step groove I211 and a step groove II 212 which are connected, the step groove II 212 is positioned between the step groove I211 and the outer joint 3, the inner diameter of the step groove II 212 is larger than that of the step groove I211, when the inner joint 2 and the outer joint 3 are locked by threads, the groove bottom of the step groove I211 is abutted against the steel ball 6 to enable the steel ball 6 to be embedded into an annular groove formed in the corrugated pipe 1, the groove wall of the step groove I211 is abutted against one end part of the lock ring 5, and the other end part of the lock ring 5 is abutted against the outer joint 3 or the sealing sleeve 4.
When the corrugated pipe quick connector is connected, a user holds the inner connector 2 with one hand and holds the outer connector 3 with the other hand, so that the inner connector 2 and the outer connector 3 are in threaded connection, because the inner diameter of the step groove II 212 is larger than that of the step groove 211, and a gap between the inner connector 2 and the outer connector 3 is added, the steel ball 6 is under the action of the outer wall of the corrugated pipe 1, is positioned at the gap between the step groove II 212 and the inner connector 2 and between the step groove II and the step groove 3, and cannot interfere with the threaded connection of the inner connector 2 and the outer connector 3 until the groove wall of the step groove II 212 abuts against the steel ball 6, the steel ball 6 starts to displace inwards in a radial direction, finally the groove bottom of the step groove I211 abuts against the steel ball 6, the steel ball 6 is stressed to displace inwards to be embedded in an annular groove of the corrugated pipe 1, the lock ring 5 is limited between the groove wall of the step groove I211 and the seal sleeve 4, and at the moment, the threaded connection of the inner connector 2 and the outer connector 3 is completed, and the connection is stable; the outer wall of the steel ball 6 in the quick connector of the corrugated pipe is smooth, the steel ball 6 is pressed by the groove wall of the step groove II 212 and the groove bottom of the step groove I211 to radially displace inwards, and the required moment is small, so that the inner connector 2 and the outer connector 3 do not need tool assistance when the quick connector of the corrugated pipe is connected, the operation is labor-saving, and the connection is convenient. In this embodiment, the sealing sleeve 4 abuts against the end of the lock ring 5, so that the sealing performance is good, and gas leakage is avoided.
Further, the through holes are circumferentially and uniformly distributed on the lock ring 5, so that the steel balls 6 in each through hole enable the lock ring 5 to be stressed circumferentially, and the connection firmness is good. The outer wall of the inner joint 2 is provided with the knurls 23, the outer wall of the outer joint 3 is provided with the convex ring 32 which is radially outwards convex and is in an outer hexagonal shape, the knurls 23 increase the friction coefficient of the outer wall of the inner joint 2, so that the force application of a user is facilitated, the convex ring 32 provides a force application surface, the force application of the user is also facilitated, and under the condition that the installation space is enough, the convex ring 32 can be clamped by a spanner or pliers, and the outer joint 3 can be rotated conveniently so as to ensure the connection firmness; the convex ring 32 also supports the inner joint 2 to play a limiting role.
The abutting part 31 is a radially inward convex shoulder arranged on the inner wall of the outer joint 3, the outer end of the sealing sleeve 4 is provided with a retainer 41 which is turned inwards and takes the shape of a ring, and the retainer 41 is positioned between the end part of the corrugated pipe 1 and the shoulder. After the outer joint 3 is screwed up, the retaining shoulder abuts against the retaining ring 41, so that the retaining ring 41 is sealed at the end part of the corrugated pipe 1, the tightness is improved, and gas leakage is avoided.
The nipple 2 has a radially penetrating leak detection hole 24, and an inner end of the leak detection hole 24 is located between the seal structure and the support portion 21. When the sealing sleeve 4 is not completely sealed, the fuel gas can enter the leakage detection hole 24 through the gap between the supporting part 21 and the corrugated pipe 1, and whether the fuel gas leaks or not can be detected rapidly through the leakage detection hole 24, so that the maintenance is convenient, and the use safety is improved.
The sealing structure comprises a sealing ring 7 embedded in the inner wall of the inner joint 2, a sheath 8 is sleeved outside the corrugated pipe 1, the sealing ring 7 is sealed on the outer wall of the sheath 8, the sheath 8 plays a protective role on the corrugated pipe 1, the sealing ring 7 ensures the tightness between the inner joint 2 and the sheath 8, and gas leakage is avoided. The sealing ring 7 is provided with a plurality of sealing lips 71 which are sealed on the outer wall of the sheath 8, so that deformation interference is reduced, the sealing performance between the sealing lips 71 and the sheath 8 is good, and in the embodiment, the middle part of the sealing ring 7 is provided with one sealing lip 71.
What is not described in detail in this specification is prior art known to those skilled in the art. The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (7)
1. The utility model provides a bellows quick connector, includes bellows (1), nipple (2) and outer joint (3), nipple (2) supply the tip of bellows (1) to penetrate and be equipped with seal structure between nipple (2) and bellows (1), bellows (1) wear out the tip overcoat of nipple (2) have seal in seal cover (4) of outer joint (3) inner wall, outer joint (3) have and supply seal cover (4) outer end to support and lean on portion (31), nipple (2) pass through internal thread and outer joint (3) threaded connection, characterized in that, bellows (1) cover be equipped with and be located nipple (2) and outer joint (3) between and be annular lock ring (5), lock ring (5) have a plurality of radial through-hole and all be equipped with steel ball (6) in each through-hole, the diameter of steel ball (6) is greater than the thickness of lock ring (5), nipple (2) have the supporting part that supplies seal cover (4) outer end to support and lean on portion (21), step (212) have step (212) inside diameter step (212) and step (212) between two inner diameter step (211) and step (212) inside diameter (212) of joint (211) and two step (212) inside diameter (212) and two step (212) between the joint (211, after the inner joint (2) and the outer joint (3) are locked by threads, the groove bottom of the first step groove (211) is abutted against the steel ball (6) so that the steel ball (6) is embedded into an annular groove formed in the corrugated pipe (1), the groove wall of the first step groove (211) is abutted against one end part of the lock ring (5), and the other end part of the lock ring (5) is abutted against the outer joint (3) or the sealing sleeve (4).
2. The quick connector of corrugated pipe according to claim 1, wherein the through holes are circumferentially and uniformly distributed on the lock ring (5).
3. The quick connector of corrugated pipe according to claim 2, wherein the outer wall of the inner connector (2) is provided with knurling (23), and the outer wall of the outer connector (3) is provided with a convex ring (32) which is radially convex and has an outer hexagonal shape.
4. A quick connector for corrugated pipes according to claim 3, wherein the abutting portion (31) is a radially inward convex shoulder provided on the inner wall of the outer connector (3), the outer end of the sealing sleeve (4) is provided with a retainer ring (41) which is turned inwards and is ring-shaped, and the retainer ring (41) is located between the end portion of the corrugated pipe (1) and the shoulder.
5. The quick connector for corrugated pipes according to claim 4, wherein the inner connector (2) is provided with a radially penetrating leakage detection hole (24), and the inner end of the leakage detection hole (24) is positioned between the sealing structure and the supporting part (21).
6. The quick connector of corrugated pipes according to claim 1 or 5, wherein the sealing structure comprises a sealing ring (7) embedded in the inner wall of the inner connector (2), the corrugated pipe (1) is sleeved with a sheath (8), and the sealing ring (7) is sealed on the outer wall of the sheath (8).
7. The quick connector of corrugated pipe according to claim 6, wherein the sealing ring (7) has several rings of sealing lips (71) sealed to the outer wall of the jacket (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321411117.XU CN220016485U (en) | 2023-06-05 | 2023-06-05 | Quick connector for corrugated pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321411117.XU CN220016485U (en) | 2023-06-05 | 2023-06-05 | Quick connector for corrugated pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220016485U true CN220016485U (en) | 2023-11-14 |
Family
ID=88691794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321411117.XU Active CN220016485U (en) | 2023-06-05 | 2023-06-05 | Quick connector for corrugated pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220016485U (en) |
-
2023
- 2023-06-05 CN CN202321411117.XU patent/CN220016485U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |