CN215488221U - Sealing device of compressed air conveying pipeline - Google Patents
Sealing device of compressed air conveying pipeline Download PDFInfo
- Publication number
- CN215488221U CN215488221U CN202121371492.7U CN202121371492U CN215488221U CN 215488221 U CN215488221 U CN 215488221U CN 202121371492 U CN202121371492 U CN 202121371492U CN 215488221 U CN215488221 U CN 215488221U
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- Prior art keywords
- compressed air
- air conveying
- sealing device
- spherical
- concave surface
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- 238000007789 sealing Methods 0.000 title claims abstract description 56
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 230000002567 autonomic effect Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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Abstract
The utility model provides a sealing device of a compressed air conveying pipeline, which comprises a hemispherical body and a connecting body, wherein a round platform is arranged on the hemispherical body, a screw hole is arranged on the round platform and is vertical to the round platform, a fastener is also arranged on the round platform, a cylindrical hole is arranged in the hemispherical body and is matched with the compressed air conveying pipeline, the screw hole penetrates through the cylindrical hole, the cylindrical hole is connected with a vent hole, a spherical convex surface is also arranged on the hemispherical body, an end plane is arranged on the spherical convex surface, a spherical concave surface is arranged in the connecting body, a sealing groove is arranged on the spherical concave surface, an elastic sealing ring is arranged in the sealing groove, a buckle is arranged on the connecting body, the design is reasonable, the structure is simple, the sealing performance is good, and the spherical concave surface and the spherical convex surface are matched, and realizing autonomous centering.
Description
Technical Field
The utility model belongs to the technical field of pipeline sealing and leakage prevention, and particularly relates to a sealing device for a compressed air conveying pipeline.
Background
The joint department of the traditional pipeline body sets up the sealing washer and guarantees sealed effect, when the pipeline body docks each other, often because the inboard laminating force of sealing washer is not enough, leads to the condition of the unstable gas leakage of pipeline body butt joint to take place, and then influences the product quality.
The sealing performance of the existing pipeline sealing device is not enough, the wear-resisting pressure-resisting performance is not enough, the pipeline sealing device is easy to age after being used for a long time, the strength is low, the pipeline sealing device is not durable, the friction force is small when the pipeline is connected inside the pipeline, the pipeline sealing device cannot be tightly attached, the sealing mode is single, and the requirement of the existing pipeline sealing device cannot be met.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the utility model provides a sealing device for a compressed air conveying pipeline.
A sealing device of a compressed air conveying pipeline comprises a hemispherical body and a connecting body, wherein a round platform is arranged on the hemispherical body, screw holes are formed in the round platform and are perpendicular to the round platform, 3 groups of the screw holes are distributed at an angle of 120 degrees, fasteners are further arranged on the round platform, 3 groups of the fasteners are distributed at an angle of 120 degrees, and the screw holes and the fasteners are arranged at a certain angle,
the spherical body is internally provided with a cylindrical hole which is matched with a compressed air conveying pipeline, the screw hole penetrates through the cylindrical hole, the compressed air conveying pipeline is screwed into the cylindrical hole and is locked and fixed through 3 groups of screw holes, the cylindrical hole is connected with a vent hole, the spherical body is also provided with a spherical convex surface, the spherical convex surface is provided with an end plane,
the connecting body is internally provided with a spherical concave surface, the spherical concave surface is arranged in the connecting body in a mirror image mode in 2 groups, the spherical concave surface and the spherical convex surface are arranged in a matched mode, the spherical concave surface is provided with a sealing groove, an elastic sealing ring is arranged in the sealing groove, a buckle is arranged on the connecting body and matched with the buckle, and the buckle is arranged on the connecting body in a mirror image mode in 2 groups.
Furthermore, the vent hole is arranged in a step shape, so that the contact area and the strength of the spherical convex surface and the spherical concave surface are increased.
Further, the screw hole and the fastener are arranged at an angle of 60 degrees with each other.
Furthermore, the fastener is provided with a twisting part and a buckling part, the buckling part is connected with the twisting part through a pin, and the buckling part can rotate for a certain angle in the twisting part, so that the connection of the hemispherical body and the connecting body is facilitated.
Furthermore, the seal groove sets up 2 groups, the elastic sealing ring embedding the outstanding setting in the seal groove, the elastic sealing ring sets up to silicon rubber.
Furthermore, a wave ball screw is arranged in the screw hole.
Has the advantages that: the utility model has reasonable design, simple structure and good sealing performance. Set up the fastener and realize linking firmly of hemisphere body, connection body with the buckle cooperation, improve pipeline connection stability. Through the spherical concave surface with spherical convex surface cooperation setting realizes autonomic centering. Set up elastic sealing ring through spherical concave surface, accomplish sealed when autonomic centering, novel structure.
Drawings
FIG. 1 is a schematic structural view of a sealing device for a compressed air delivery pipeline according to the present invention;
FIG. 2 is a schematic view of a semi-spherical body of a sealing device for a compressed air pipeline according to the present invention;
fig. 3 is a schematic structural view of a sealing device coupling body of a compressed air conveying pipeline provided by the utility model.
In the figure: 1 hemispherical body, 101 round platform, 102 screw hole, 103 fastener, 1031 twisted part, 1032 buckling part, 104 cylindrical hole, 105 vent hole, 106 spherical convex surface, 107 end plane, 2 connection body, 201 spherical concave surface, 202 sealing groove and 203 buckle.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.
As shown in fig. 2 and 3, the sealing device for a compressed air conveying pipeline provided by the utility model comprises a hemispherical body 1 and a connecting body 2, wherein a circular truncated cone 101 is arranged on the hemispherical body 1, screw holes 102 are arranged on the circular truncated cone 101, the screw holes 102 are arranged perpendicular to the circular truncated cone 101, 3 groups of the screw holes 102 are distributed at 120 degrees, fasteners 103 are further arranged on the circular truncated cone 101, 3 groups of the fasteners 103 are distributed at 120 degrees, the screw holes 102 and the fasteners 103 are arranged at a certain angle,
a cylindrical hole 104 is arranged in the hemispherical body 1, the cylindrical hole 104 is matched with a compressed air conveying pipeline, the screw hole 102 penetrates through the cylindrical hole 104, the compressed air conveying pipeline is screwed into the cylindrical hole 104 and is locked and fixed through 3 groups of screw holes 102, the cylindrical hole 104 is connected with an air vent 105, a spherical convex surface 106 is further arranged on the hemispherical body 1, an end plane 107 is arranged on the spherical convex surface 106,
the connecting body 2 is internally provided with a spherical concave surface 201, the spherical concave surface 201 is arranged in 2 groups of images in the connecting body 2, the spherical concave surface 201 is matched with the spherical convex surface 106, the spherical concave surface 201 is provided with a sealing groove 202, an elastic sealing ring is arranged in the sealing groove 202, the connecting body 2 is provided with a buckle 203, the buckle 203 is matched with the fastener 103, and the buckle 203 is arranged in 2 groups of images on the connecting body 2.
In practical applications, the vent holes 105 are arranged in a step shape, so that the contact area and strength between the spherical convex surface 106 and the spherical concave surface 201 are increased.
In practical applications, the screw hole 102 and the fastening member 103 are disposed at an angle of 60 ° with each other.
In practical applications, as shown in fig. 1, the fastener 103 is provided with a twisted portion 1031 and a fastening portion 1032, the fastening portion 1032 is connected to the twisted portion 1031 by a pin, and the fastening portion 1032 can rotate at a certain angle in the twisted portion 1031, so as to facilitate connection between the hemispherical body 1 and the coupling body 2.
In practical application, the sealing groove 202 is provided with 2 groups, the elastic sealing ring is embedded into the sealing groove 202 and protrudes out, and the elastic sealing ring is made of silicon rubber.
In practical application, the wave ball screw is arranged in the screw hole 102, the wave ball screw effectively relieves the axial locking pressure of the compressed air pipeline, and damage to the pipeline due to excessive locking force is avoided.
The working principle is as follows:
when the compressed air conveying pipeline is embedded into the cylindrical hole 104, the compressed air conveying pipeline is locked by the wave ball screws in the 3 uniformly distributed screw holes 102 arranged on the cylindrical hole 104, the spherical convex surface 106 on the hemispherical body 1 is matched with the spherical concave surface 201 in the connecting body 2, the spherical convex surface 106 and the spherical concave surface 201 are sealed by the sealing groove 202 arranged in the spherical concave surface 201 and the elastic sealing ring arranged in the sealing groove 202, the spherical surface is matched to realize the self-calibration of the central position, the end plane 107 is matched to be in place, the fixed connection of the hemispherical body 1 and the connecting body 2 is realized by the fastener 103 arranged on the circular truncated cone 101 and the buckle 203 arranged on the connecting body 2, the connecting body 2 is connected with the hemispherical body 1, and the sealed connection of the two compressed air conveying pipelines is realized.
The foregoing shows and describes the principles, essential features and advantages of the present invention, with front, rear, left and right non-limiting reference being made thereto, primarily for the purpose of illustrating the technology more intuitively, and without limitation. It should be understood by those skilled in the art that the foregoing embodiments are merely illustrative of the technical spirit and features of the present invention, and the present invention is not limited thereto but may be implemented by those skilled in the art.
Claims (6)
1. A sealing device for a compressed air conveying pipeline is characterized in that: comprises a hemispherical body (1) and a connecting body (2), wherein a round table (101) is arranged on the hemispherical body (1), screw holes (102) are arranged on the round table (101), the screw holes (102) are vertical to the round table (101), 3 groups of the screw holes (102) are distributed at 120 degrees, fasteners (103) are also arranged on the round table (101), 3 groups of the fasteners (103) are distributed at 120 degrees, and the screw holes (102) and the fasteners (103) are arranged at a certain angle,
a cylindrical hole (104) is formed in the hemispherical body (1), the cylindrical hole (104) is matched with a compressed air conveying pipeline, the screw hole (102) penetrates through the cylindrical hole (104), the compressed air conveying pipeline is screwed into the cylindrical hole (104) and is locked and fixed through 3 groups of screw holes (102), the cylindrical hole (104) is connected with a vent hole (105), a spherical convex surface (106) is further arranged on the hemispherical body (1), an end plane (107) is arranged on the spherical convex surface (106),
the connecting structure is characterized in that a spherical concave surface (201) is arranged in the connecting body (2), 2 groups of images of the spherical concave surface (201) are arranged in the connecting body (2), the spherical concave surface (201) is matched with the spherical convex surface (106), a sealing groove (202) is arranged on the spherical concave surface (201), an elastic sealing ring is arranged in the sealing groove (202), a buckle (203) is arranged on the connecting body (2), the buckle (203) is matched with the fastener (103), and 2 groups of images of the buckle (203) are arranged on the connecting body (2).
2. A sealing device for a compressed air conveying pipe according to claim 1, characterized in that: the vent hole (105) is arranged in a step shape, so that the contact area and the strength of the spherical convex surface (106) and the spherical concave surface (201) are increased.
3. A sealing device for a compressed air conveying pipe according to claim 2, characterized in that: the screw hole (102) and the fastener (103) are arranged at an angle of 60 degrees with each other.
4. A sealing device for a compressed air conveying pipe according to claim 1, characterized in that: the fastener (103) is provided with a twisting part (1031) and a buckling part (1032), the buckling part (1032) is connected with the twisting part (1031) through a pin, and the buckling part (1032) can rotate for a certain angle in the twisting part (1031) to facilitate the connection of the hemispherical body (1) and the connecting body (2).
5. A sealing device for a compressed air conveying pipe according to claim 1, characterized in that: the sealing groove (202) is provided with 2 groups, the elastic sealing ring is embedded into the sealing groove (202) and protrudes out of the sealing groove, and the elastic sealing ring is made of silicon rubber.
6. A sealing device for a compressed air conveying pipe according to claim 1, characterized in that: wave ball screws are arranged in the screw holes (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121371492.7U CN215488221U (en) | 2021-06-20 | 2021-06-20 | Sealing device of compressed air conveying pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121371492.7U CN215488221U (en) | 2021-06-20 | 2021-06-20 | Sealing device of compressed air conveying pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215488221U true CN215488221U (en) | 2022-01-11 |
Family
ID=79720201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121371492.7U Expired - Fee Related CN215488221U (en) | 2021-06-20 | 2021-06-20 | Sealing device of compressed air conveying pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215488221U (en) |
-
2021
- 2021-06-20 CN CN202121371492.7U patent/CN215488221U/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 |
Granted publication date: 20220111 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |