CN211118120U - Quick connecting joint of compressed air pipeline - Google Patents
Quick connecting joint of compressed air pipeline Download PDFInfo
- Publication number
- CN211118120U CN211118120U CN201921683812.5U CN201921683812U CN211118120U CN 211118120 U CN211118120 U CN 211118120U CN 201921683812 U CN201921683812 U CN 201921683812U CN 211118120 U CN211118120 U CN 211118120U
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- Prior art keywords
- annular
- bodies
- pair
- compressed air
- fixing
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- Expired - Fee Related
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- 238000007789 sealing Methods 0.000 claims abstract description 57
- 230000008878 coupling Effects 0.000 claims abstract description 13
- 238000010168 coupling process Methods 0.000 claims abstract description 13
- 238000005859 coupling reaction Methods 0.000 claims abstract description 13
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 210000003205 muscle Anatomy 0.000 description 7
- 238000005728 strengthening Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 210000001503 joint Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The utility model discloses a quick connect coupling of compressed air pipeline, including casing and seal, the casing comprises a pair of fixed body that can fold in opposite directions, the sealing member is located between a pair of fixed body, a pair of fixed body folds the back, a pair of fixed body compresses tightly the sealing member. After inserting the compressed air pipeline into the sealing element, fold a pair of fixed body, a pair of fixed body compresses tightly the sealing element, makes the sealing element carry out sealed tight fit to the compressed air pipeline to realize compressed air pipeline's connection, the connected mode is simple swift, and is sealed effectual.
Description
Technical Field
The utility model relates to a quick connect coupling, especially a quick connect coupling of compressed air pipeline.
Background
There are many types of pipe joints used today for connecting compressed air pipes. When two or three or even more compressed air pipelines need to be connected, a joint is generally arranged at the end part of each compressed air pipeline, a two-way pipe or a three-way pipe is adopted as the pipe joint, and then the joint is in threaded connection with the two-way pipe or the three-way pipe, so that the connection of the plurality of compressed air pipelines is realized. However, this connection has certain disadvantages: and the threaded connection is adopted, so that the sealing effect is poor, the operation is more complicated, and the connection speed is low.
Disclosure of Invention
In order to solve the defects of the prior art, the utility model aims to provide a quick connecting joint of a compressed air pipeline, which not only has good sealing effect, but also has simple and quick operation.
In order to achieve the above object, the utility model relates to a quick connection joint for compressed air pipelines, which comprises a casing, wherein the casing is composed of a pair of fixing bodies which can be folded in opposite directions, each fixing body comprises a body part, a limiting part and a joint part, the limiting parts and the joint parts are a plurality of, the limiting parts are connected with the joint parts in a one-to-one correspondence manner, and the limiting parts are connected with the body part;
the sealing element is positioned between the pair of fixed bodies and comprises a plurality of annular bodies, a plurality of annular abutting bodies and a plurality of annular sealing bodies, the annular abutting bodies are correspondingly connected with the annular sealing bodies one by one, the annular abutting bodies are connected with the annular bodies, the annular abutting bodies extend obliquely from the annular bodies to the direction away from the center of the annular bodies, the inner diameter of each annular abutting body is gradually reduced from the annular bodies to the direction of the annular sealing bodies, and the annular sealing bodies are formed by extending obliquely from one ends of the annular abutting bodies, which are far away from the annular bodies, to the direction of the center of the annular bodies;
after the pair of fixing bodies are folded, the pair of fixing bodies press the sealing element tightly, the body parts of the pair of fixing bodies form an annular body part, the limiting parts of the pair of fixing bodies form an annular limiting part, the joint parts of the pair of fixing bodies form an annular joint part, the inner diameter of the annular joint part is smaller than that of the annular body part, the inner diameter of the annular limiting part is gradually reduced from one end of the annular body part to one end of the annular joint part, the annular body is abutted against the inner side wall of the annular body part, the annular abutting body is abutted against the inner side wall of the annular limiting part, and the inner ring of the annular sealing body corresponds to the inner ring of the annular joint part.
Further, an included angle α is formed between the annular sealing body and the annular abutting body, and an included angle β + β is more than 180 degrees, β is more than 90 degrees, and α is less than 180 degrees is formed between the annular abutting body and the annular body.
Further, the annular body is the same shape as the annular body portion.
Further, annular body, annular butt joint body and annular seal integrated into one piece.
Furthermore, the middle part of the inner peripheral wall of the annular body is annularly provided with a limiting convex rib.
Further, the internal perisporium of annular body still encircles and is equipped with the strengthening rib, the strengthening rib is connected with spacing protruding muscle, the internal diameter of strengthening rib is greater than the internal diameter of spacing protruding muscle.
Further, the fixing body further comprises a pair of connecting portions, the connecting portions are connected with the upper side and the lower side of the body portion, the limiting portion and the joint portion respectively, a plurality of connecting holes are formed in the connecting portions, and after the fixing bodies are folded, the connecting assembly penetrates through the connecting holes to fix the fixing bodies.
Further, the connecting component is a bolt and a nut which are matched with each other.
Further, the fixing body is integrally formed.
Furthermore, the inner side wall of the joint part is provided with a clamping groove, and after the pair of fixing bodies are folded, the clamping grooves on the pair of fixing bodies form an annular clamping groove.
Compared with the prior art, the beneficial effects of the utility model are that: after inserting the compressed air pipeline into the annular sealing body, fold a pair of fixed body, a pair of fixed body compresses tightly sealing member, makes the annular sealing body carry out sealed tight fit to the compressed air pipeline to realize the connection of compressed air pipeline, the connected mode is simple swift, and seal the compressed air pipeline through the annular sealing body, sealed effectual.
Drawings
FIG. 1 is a schematic structural view of example 1.
Fig. 2 is a schematic view of the structure of fig. 1 from another angle.
Fig. 3 is an exploded view of fig. 2.
Fig. 4 is a cross-sectional view of fig. 2.
Fig. 5 is an enlarged view of a in fig. 4.
FIG. 6 is a schematic structural view of embodiment 2.
Fig. 7 is an exploded view of fig. 6.
Fig. 8 is a cross-sectional view of fig. 6.
Fig. 9 is an enlarged view of B in fig. 8.
The sealing device comprises a shell 100, a fixed body 110, a body part 111, a limiting part 112, a joint part 113, a clamping groove 1131, a connecting part 114, a connecting hole 1141, an annular body part 120, an annular limiting part 130, an annular joint part 140, an annular clamping groove 150, a sealing element 200, an annular body 201, an annular abutting body 202, an annular sealing body 203, a limiting convex rib 204, a reinforcing rib 205, a connecting assembly 300, a bolt 301 and a nut 302.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Example 1:
as shown in fig. 1 to 5, a quick connection joint for a compressed air pipeline includes a housing 100 and a sealing member 200, the housing 100 is composed of a pair of fixing bodies 110 that can be folded toward each other, the fixing bodies 110 include a body 111, a limiting portion 112 and a joint portion 113, the limiting portion 112 and the joint portion 113 are both two, the limiting portions 112 and the joint portions 113 are connected in a one-to-one correspondence, the limiting portions 112 are connected with the body 111, and the limiting portions 112 in this embodiment are connected with two ends of the body 111;
the sealing element 200 is located between the pair of fixed bodies 110, the sealing element 200 includes an annular body 201, two annular abutting bodies 202 and two annular sealing bodies 203, the annular abutting bodies 202 and the annular sealing bodies 203 are connected in a one-to-one correspondence, the annular abutting bodies 202 are connected to two ends of the annular body 201, the annular abutting bodies 202 extend obliquely from the annular body 201 to a direction away from the center of the annular body 201, the inner diameter of the annular abutting bodies 202 is gradually reduced from the annular body 201 to the direction of the annular sealing bodies 203, and the annular sealing bodies 203 are formed by extending obliquely from one ends of the annular abutting bodies 202 departing from the annular body 201 to the direction of the center of the annular body 201;
after the pair of fixing bodies 110 are closed, the pair of fixing bodies 110 press the sealing element 200, the body 111 of the pair of fixing bodies 110 forms an annular body 120, the limiting portions 112 of the pair of fixing bodies 110 form an annular limiting portion 130, the joint portions 113 of the pair of fixing bodies 110 form an annular joint portion 140, the inner diameter of the annular joint portion 140 is smaller than the inner diameter of the annular body 120, the inner diameter of the annular limiting portion 130 gradually decreases from one end of the annular body 120 to one end of the annular joint portion 140, the annular body 201 and the annular body 120 have the same shape, in this embodiment, the cross sections of the annular body 201 and the annular body 120 are arc pipes, the annular body 201 abuts against the inner side wall of the annular body 120, the annular abutting body 202 abuts against the inner side wall of the annular limiting portion 130, and the inner ring of the annular sealing body 203 corresponds to the inner ring of the annular joint portion 140, the inner diameter of the annular sealing body 203 is smaller than the inner diameter of the annular joint part 140, and the annular sealing body 203 is not positioned in the annular joint part 140.
One end of a compressed air pipeline is inserted into the annular body 201 from one of the annular joint parts 140, then one end of the other compressed air pipeline is inserted into the annular body 201 from the other annular joint part 140, then the pair of fixing bodies 110 are folded, the pair of fixing bodies 110 compress the annular body 201, because the sealing element 200 has certain elasticity, the annular body 201 drives the annular abutting body 202 to expand outwards, after the annular abutting body 202 abuts against the inner side wall of the annular limiting part 130, the annular abutting body 202 bears resistance, the force of the folding of the fixing bodies 110 is forced to change direction, the annular sealing body 203 is compressed, the annular sealing body 203 is pressed on the compressed air pipeline, thereby realizing the sealing connection between the two compressed air pipelines, and the compressed air pipelines are connected by adopting the quick connection joint, not only the connection speed is fast, the operation is convenient, but also the sealing effect is good.
In this embodiment, an included angle α is formed between the annular sealing body 203 and the annular abutting body 202, an included angle β + β is greater than 180 °, β is greater than 90 °, α is less than 180 ° is formed between the annular abutting body 202 and the annular body 201, and thus the sealing effect between the annular sealing body 203 and the compressed air pipeline is better.
In order to improve the service life and the sealing effect of the sealing element, the annular body 201, the annular abutting body 202 and the annular sealing body 203 are integrally formed.
The interior perisporium middle part ring of annular body 201 is equipped with spacing protruding muscle 204, because annular body 201 is the arc setting, spacing protruding muscle 204 also is the arc setting, and compressed air pipeline inserts sealing member 200 and spacing protruding muscle 204 looks butt back, need not continue applying force in compressed air pipeline promptly, has just accomplished the inserting of compressed air pipeline, still the ring is equipped with strengthening rib 205 on the interior perisporium of annular body 201, strengthening rib 205 is connected with spacing protruding muscle 204, the internal diameter of strengthening rib 205 is greater than the internal diameter of spacing protruding muscle 204. In this embodiment, the annular body 201, the annular abutting body 202, the annular sealing body 203, the limiting rib 204, and the reinforcing rib 205 are integrally formed.
The fixing body 110 further includes a pair of connecting portions 114, the pair of connecting portions 114 are respectively connected to upper and lower sides of the body portion 111, the limiting portion 112 and the joint portion 113, the connecting portions 114 are provided with a plurality of connecting holes 1141, after the pair of fixing bodies 110 are folded, the connecting assembly 300 is inserted into the connecting holes 1141 to fix the fixing body 110, and the connecting assembly 300 preferably includes a bolt 301 and a nut 302 which are matched with each other. Under the condition of not using, the bolt 301 and the nut 302 are arranged in the connecting hole 1141 in a penetrating way, but are not locked, when the fixing body needs to be folded after the compressed air pipeline is inserted, the bolt 301 is rotated to lock the bolt and the nut, the folding of the fixing body is realized, and the operation is more convenient.
The fixing bodies 110 are integrally formed, so that the service life of the fixing bodies can be prolonged, and the matching degree between a pair of fixing bodies can be improved.
In this embodiment, a clamping groove 1131 is formed in the inner side wall of the joint portion 113, after the pair of fixing bodies 110 are folded, the clamping groove 1131 on the pair of fixing bodies 110 forms an annular clamping groove 150, an open clamping ring can be clamped in the annular clamping groove 150, and after the pair of fixing bodies are folded, the open clamping ring is also folded, so that the compressed air pipeline inserted into the annular joint portion is effectively fixed.
Example 2:
as shown in fig. 6 to 9, the present embodiment is different from embodiment 1 in that: the limiting portion 112, the joint portion 113, the annular abutting body 202 and the annular sealing body 203 are all three, that is, the sealing element 200 and the folded housing 100 are in a three-way pipe shape and can be connected with three compressed air pipelines, and only the limiting convex rib 204 is arranged in the annular body 201, no reinforcing rib is arranged, the use mode is the same as that of embodiment 1, and no further description is provided herein.
Claims (10)
1. The utility model provides a quick connect coupling of compressed air pipeline, includes the casing, its characterized in that: the shell is composed of a pair of fixing bodies which can be folded oppositely, each fixing body comprises a body part, a limiting part and a joint part, the number of the limiting parts and the number of the joint parts are a plurality, the limiting parts are connected with the joint parts in a one-to-one correspondence mode, and the limiting parts are connected with the body parts;
the sealing element is positioned between the pair of fixed bodies and comprises a plurality of annular bodies, a plurality of annular abutting bodies and a plurality of annular sealing bodies, the annular abutting bodies are correspondingly connected with the annular sealing bodies one by one, the annular abutting bodies are connected with the annular bodies, the annular abutting bodies extend obliquely from the annular bodies to the direction away from the center of the annular bodies, the inner diameter of each annular abutting body is gradually reduced from the annular bodies to the direction of the annular sealing bodies, and the annular sealing bodies are formed by extending obliquely from one ends of the annular abutting bodies, which are far away from the annular bodies, to the direction of the center of the annular bodies;
after the pair of fixing bodies are folded, the pair of fixing bodies press the sealing element tightly, the body parts of the pair of fixing bodies form an annular body part, the limiting parts of the pair of fixing bodies form an annular limiting part, the joint parts of the pair of fixing bodies form an annular joint part, the inner diameter of the annular joint part is smaller than that of the annular body part, the inner diameter of the annular limiting part is gradually reduced from one end of the annular body part to one end of the annular joint part, the annular body is abutted against the inner side wall of the annular body part, the annular abutting body is abutted against the inner side wall of the annular limiting part, and the inner ring of the annular sealing body corresponds to the inner ring of the annular joint part.
2. The quick connect coupling for compressed air conduits of claim 1, wherein said annular sealing body forms an angle α with said annular abutment body, said annular abutment body forms an angle β + β > 180 °, β > 90 °, α < 180 ° with said annular body.
3. The quick connect coupling for compressed air conduits of claim 1, wherein: the annular body is the same shape as the annular body portion.
4. The quick connect coupling for compressed air conduits of claim 1, wherein: the annular body, the annular abutting body and the annular sealing body are integrally formed.
5. The quick connect coupling for compressed air conduits of claim 1, wherein: the middle part of the inner peripheral wall of the annular body is annularly provided with a limiting convex rib.
6. The quick connect coupling for compressed air conduits of claim 5, wherein: the ring-shaped body is characterized in that reinforcing ribs are further arranged on the inner peripheral wall of the ring-shaped body in an annular mode and are connected with the limiting convex ribs, and the inner diameter of each reinforcing rib is larger than that of each limiting convex rib.
7. The quick connect coupling for compressed air conduits of claim 1, wherein: the fixing body further comprises a pair of connecting portions, the connecting portions are connected with the upper side and the lower side of the body portion, the limiting portion and the joint portion respectively, a plurality of connecting holes are formed in the connecting portions, and after the fixing bodies are folded, the connecting assembly penetrates through the connecting holes to fix the fixing bodies.
8. The quick connect coupling for compressed air conduits of claim 7, wherein: the connecting component is a bolt and a nut which are matched with each other.
9. The quick connect coupling for compressed air conduits of claim 7, wherein: the fixing body is integrally formed.
10. The quick connect coupling for compressed air conduits of claim 1, wherein: the inner side wall of the joint part is provided with a clamping groove, and after the pair of fixing bodies are folded, the clamping grooves on the pair of fixing bodies form an annular clamping groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921683812.5U CN211118120U (en) | 2019-10-10 | 2019-10-10 | Quick connecting joint of compressed air pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921683812.5U CN211118120U (en) | 2019-10-10 | 2019-10-10 | Quick connecting joint of compressed air pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211118120U true CN211118120U (en) | 2020-07-28 |
Family
ID=71689228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921683812.5U Expired - Fee Related CN211118120U (en) | 2019-10-10 | 2019-10-10 | Quick connecting joint of compressed air pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211118120U (en) |
-
2019
- 2019-10-10 CN CN201921683812.5U patent/CN211118120U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20200728 |