CN217463671U - Steel-plastic pipeline connecting device - Google Patents
Steel-plastic pipeline connecting device Download PDFInfo
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- CN217463671U CN217463671U CN202122612366.2U CN202122612366U CN217463671U CN 217463671 U CN217463671 U CN 217463671U CN 202122612366 U CN202122612366 U CN 202122612366U CN 217463671 U CN217463671 U CN 217463671U
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- locking
- sealing washer
- flange
- steel
- disc
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Abstract
The utility model discloses a steel-plastic pipeline connecting device, which comprises two pipe fittings, two connecting flanges and a locking component for locking two flange plates; the connecting flange is just provided with the annular groove of pegging graft complex with the pipe fitting to the pipe fitting, be provided with special-shaped sealing washer in the annular, special-shaped sealing washer includes sealing washer body and fixed mounting at the last circle and the lower circle of the even both ends of sealing washer body, go up circle and lower circle dislocation set, the tank bottom laminating of upper circle and annular, the terminal surface laminating of lower circle and connecting flange, the last through setting of connecting flange is perforated, utilizes the screw to pass the perforation and is connected with locking Assembly. The steel-plastic pipeline connecting device has the advantages of convenience in installation and disassembly, high sealing performance and convenience in use.
Description
Technical Field
The utility model relates to a pipe connection technical field especially relates to a steel plastic pipe connection device.
Background
The pipeline connecting device is used for connecting pipelines, after the pipelines are conveyed to an installation site, the pipeline connecting device is used after the multiple-joint pipelines are connected, so that the pipeline connecting device plays an essential role in the pipeline laying process.
However, the existing pipeline connecting device is complex in structure, inconvenient to install and use quickly, poor in sealing performance and difficult to meet the use requirements.
Disclosure of Invention
To the not enough of above-mentioned prior art, the technical problem that this patent application will solve provides one kind and is convenient for install and dismantle, and the leakproofness is high, convenient to use's steel-plastic pipe connection device.
In order to solve the technical problem, the utility model discloses a following technical scheme:
a steel-plastic pipeline connecting device comprises two pipe fittings, two connecting flanges and a locking assembly for locking the two flange plates;
the connecting flange is just being provided with the annular of pegging graft complex with the pipe fitting to the pipe fitting, be provided with special-shaped sealing washer in the annular, special-shaped sealing washer includes sealing washer body and fixed mounting at the last circle and the lower circle of the even both ends of sealing washer body, go up circle and lower circle dislocation set, the tank bottom laminating of last circle and annular, the terminal surface laminating of circle and connecting flange down, run through on the connecting flange and be provided with the perforation, utilize the screw to pass the perforation and be connected with locking Assembly.
Like this, install special-shaped sealing ring in the annular for upper ring and lower circle are laminated with annular tank bottom and flange's terminal surface respectively, then insert the pipe fitting in the annular, later are connected flange and locking Assembly through the screw, realize steel pipeline's connection. Be provided with special-shaped sealing washer, avoid improving sealed effect.
The locking assembly comprises a locking disc, the locking disc is provided with a through hole, a connecting disc is fixedly installed on the locking disc outwards, a threaded hole is formed in the connecting disc, the screw is in threaded connection with the threaded hole, and a sealing ring is arranged between the connecting disc and the connecting flange. The screw passes through the perforation threaded connection in the screwed hole, carries out fixed connection with flange and connection pad, is provided with the sealing washer, improves sealed effect.
The two ends of the locking disc are provided with outer conical surfaces close to the axis direction, and the connecting flange is provided with inner conical surfaces attached to the outer conical surfaces. Through conical surface cooperation, when screw in threaded hole, can make flange and connection pad be close to each other, and then drive flange and remove along the outer conical surface of locking dish for produce the extrusion force between flange and the locking dish, and then make flange and locking dish fixed, improve the locking effect.
The connecting flange, the locking disc and the connecting disc are all made of plastic materials. The connecting flange has certain deformability, can better move along the outer conical surface, and improves the locking effect.
The sealing ring is provided with a ring surface attached to the outer conical surface. The sealing effect is improved.
To sum up, this steel-plastic pipeline connecting device has the installation and dismantlement of being convenient for, and the leakproofness is high, convenient to use's advantage.
Drawings
Fig. 1 is a schematic structural view of a steel-plastic pipe connecting device of the present invention.
Fig. 2 is a cross-sectional view of fig. 1.
Fig. 3 is a schematic view of the attachment flange of fig. 1.
Fig. 4 is a schematic view of the locking assembly of fig. 1.
Fig. 5 is a schematic view of the contour seal of fig. 1.
Fig. 6 is a schematic view of another orientation of fig. 5.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings. In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "upper, lower" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
As shown in fig. 1-3, a steel-plastic pipe connecting device comprises two pipe fittings 1, two connecting flanges 2 and a locking assembly for locking the two flanges;
the connecting flange is just being provided with the annular 3 of pegging graft complex with the pipe fitting to the pipe fitting, be provided with special-shaped sealing washer 4 in the annular, special-shaped sealing washer includes sealing washer body 5 and fixed mounting at the last circle 6 and the lower circle 7 of even both ends of sealing washer body, the setting of upper circle and lower circle dislocation, the tank bottom laminating of upper circle and annular, the terminal surface laminating of circle and connecting flange down, run through on the connecting flange and be provided with the perforation, utilize the screw to pass the perforation and be connected with locking Assembly.
Therefore, the special-shaped sealing ring is arranged in the annular groove, the upper ring and the lower ring are respectively attached to the bottom of the annular groove and the end face of the connecting flange, then the pipe fitting is inserted into the annular groove, and then the connecting flange is connected with the locking assembly through the screws, so that the connection of the steel-plastic pipeline is realized. Be provided with special-shaped sealing washer, avoid improving sealed effect.
The locking assembly comprises a locking disc 8, the locking disc is provided with a through hole, a connecting disc 9 is fixedly installed on the locking disc outwards, a threaded hole is formed in the connecting disc, a screw 11 is in threaded connection with the threaded hole, and a sealing ring 10 is arranged between the connecting disc and the connecting flange. The screw passes through the perforation threaded connection in the screwed hole, carries out fixed connection with flange and connection pad, is provided with the sealing washer, improves sealed effect.
The two ends of the locking disc are provided with outer conical surfaces 12 close to the axis direction, and the connecting flange is provided with inner conical surfaces attached to the outer conical surfaces. Through conical surface cooperation, when screw in threaded hole, can make flange and connection pad be close to each other, and then drive flange and move along the outer conical surface of locking dish for produce the extrusion force between flange and the locking dish, and then make flange and locking dish fixed, improve the locking effect.
The connecting flange, the locking disc and the connecting disc are all made of plastic materials. The connecting flange has certain deformability, can better move along the outer conical surface, and improves the locking effect.
The sealing ring is provided with a ring surface attached to the outer conical surface. The sealing effect is improved.
Finally, it should be noted that: various modifications and alterations of this invention may be made by those skilled in the art without departing from the spirit and scope of this invention. Thus, to the extent that such modifications and variations of the present invention fall within the scope of the present claims and their equivalents, it is intended that the present invention encompass such modifications and variations as well.
Claims (5)
1. A steel-plastic pipeline connecting device is characterized by comprising two pipe fittings, two connecting flanges and a locking assembly for locking two flange plates;
the utility model discloses a locking assembly, including sealing washer body and sealing washer body, the sealing washer body is provided with the annular of pipe fitting grafting complex, the connecting flange just is provided with the annular of pegging graft with the pipe fitting to the pipe fitting, be provided with the sealing washer in the annular, the sealing washer includes the upper circle and the lower circle at the even both ends of sealing washer body and fixed mounting, upper circle and lower circle dislocation set, the tank bottom laminating of upper circle and annular, the terminal surface laminating of lower circle and connecting flange, the last perforation that runs through of connecting flange is provided with, utilizes the screw to pass the perforation and is connected with locking Assembly.
2. The steel-plastic pipeline connecting device as claimed in claim 1, wherein the locking assembly comprises a locking disc, the locking disc is provided with a through hole, a connecting disc is fixedly mounted outwards on the locking disc, a threaded hole is formed in the connecting disc, the screw is in threaded connection with the threaded hole, and a sealing ring is arranged between the connecting disc and the connecting flange.
3. A steel-plastic pipe connection according to claim 2, wherein said locking discs have outer tapered surfaces at opposite ends thereof which are axially adjacent, and said connection flange has inner tapered surfaces which engage said outer tapered surfaces.
4. A steel-plastic pipe connection according to claim 1, wherein said connecting flange, locking disc and connecting disc are made of plastic material.
5. A steel-plastic pipe connection according to claim 1, wherein said sealing ring has a ring surface engaging the outer tapered surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122612366.2U CN217463671U (en) | 2021-10-28 | 2021-10-28 | Steel-plastic pipeline connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122612366.2U CN217463671U (en) | 2021-10-28 | 2021-10-28 | Steel-plastic pipeline connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217463671U true CN217463671U (en) | 2022-09-20 |
Family
ID=83234682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122612366.2U Active CN217463671U (en) | 2021-10-28 | 2021-10-28 | Steel-plastic pipeline connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217463671U (en) |
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2021
- 2021-10-28 CN CN202122612366.2U patent/CN217463671U/en active Active
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