CN209960059U - Pipe joint for screw air compressor - Google Patents
Pipe joint for screw air compressor Download PDFInfo
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- CN209960059U CN209960059U CN201920346413.3U CN201920346413U CN209960059U CN 209960059 U CN209960059 U CN 209960059U CN 201920346413 U CN201920346413 U CN 201920346413U CN 209960059 U CN209960059 U CN 209960059U
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- air compressor
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- joint
- screw air
- pipe joint
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Abstract
The utility model relates to a screw rod is coupling for air compressor, it includes the male joint, the outside middle part of male joint is equipped with circular boss, the left and right sides of circular boss all is equipped with the external screw thread, the left side external screw thread accordant connection of circular boss has female joint, female joint's interior disc still matees and has taken over, the boss outer disc of taking over matches with female joint's interior disc and spacing through the sleeve pipe, the sheathed tube interior disc cover is located take over just the sheathed tube outer disc matches with female joint's interior disc, it is spacing, a plurality of that the sleeve pipe passes through a plurality of bolts the bolt all runs through female joint peg graft in the sheathed tube blind hole. The utility model discloses a screw rod is coupling for air compressor has not only improved sealed reliability, also does benefit to sealedly through dismouting back many times moreover, only needs extract the bolt when dismantling, just can unpack the male joint and take over fast, need not twist out the screw thread completely, has improved dismantlement efficiency.
Description
Technical Field
The utility model relates to a screw air compressor especially relates to a coupling for screw air compressor.
Background
An air compressor is a device used to compress gas and is similar in construction to a water pump, most of which are reciprocating pistons, rotating blades or rotating screws. The screw air compressor is a rotary positive displacement compressor in which two rotors with helical gears are engaged with each other to change the volume of the engaged portion of the two rotors from large to small, thereby compressing and discharging a gas.
After the main machine of the screw air compressor compresses the atmosphere, the atmosphere is divided into two paths of oil and gas, and one path of the atmosphere is input into an air supply pipeline through an oil-gas separator, an oil-gas fine separator, a cooler and other gas path systems for users to use; the other path returns to the main machine through an oil-way system such as an oil-gas separator, a cooler, oil filtration and the like. Because the used pipelines are more, the joints of the pipelines and the pipeline are required to be used, and the number of the used pipe joints is also more.
In some connecting parts needing to be frequently disassembled, the pipe joint usually adopts a common pipe joint, and in the common pipe joint, because only one seal is arranged between the male joint and the end surface of the connecting pipe, the seal is unreliable, the leakage is easy to occur, and the seal is more difficult to seal after being disassembled and assembled for many times; because the male joint and the female joint are connected through the threads, the threads are required to be completely screwed out during disassembly so as to be disassembled, the disassembly speed is low, and the disassembly efficiency is low.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a screw rod is coupling for air compressor.
The utility model provides a technical scheme that its technical problem adopted is:
the pipe joint for the screw air compressor comprises a male joint, wherein a circular boss is arranged in the middle of the outer side of the male joint, external threads are arranged on the left side and the right side of the circular boss, a female joint is connected to the external threads on the left side of the circular boss in a matched mode, a connecting pipe is further matched with the inner circular surface of the female joint, the outer circular surface of the connecting pipe is matched with the inner circular surface of the female joint and limited through a sleeve, the inner circular surface of the sleeve is sleeved with the connecting pipe, the outer circular surface of the sleeve is matched with the inner circular surface of the female joint, the sleeve is limited through a plurality of bolts, and the plurality of bolts penetrate through the female joint and are inserted into blind.
In a preferred embodiment of the pipe joint for a screw air compressor of the present invention, the male joint is provided with a first sealing groove and a second sealing groove at the end face of the one end of the connecting pipe, the second sealing groove is provided at the inner side of the first sealing groove, and an O-ring is provided in the first sealing groove, and a sealing gasket is provided in the second sealing groove.
The utility model provides a screw rod is in a preferred embodiment of coupling for air compressor, the terminal surface of the boss end of takeover is equipped with annular boss, annular boss with the second seal groove match just annular boss's terminal surface with sealed pad butt.
The other end of the annular boss of the connecting pipe is also provided with a welding groove, and the angle alpha of the welding groove is 25-30 degrees.
In the present invention, the first platform is disposed on the outer circular surface of the circular boss of the male joint.
In the present invention, the second platform is disposed on the outer circumferential surface of the female joint.
In a preferred embodiment of the pipe joint for screw air compressor of the present invention, the plug is made of stainless steel 2Cr13, and a handle is further disposed at one end of the plug.
In a preferred embodiment of the pipe joint for screw air compressor of the present invention, the sleeve pipe further has a positioning boss at the other end abutting against the connecting pipe.
In the present invention, the material of the male joint, the female joint, the connecting pipe and the sleeve pipe is carbon steel, and is blackened.
Compared with the prior art, the utility model provides a screw rod is coupling for air compressor's beneficial effect is: the utility model discloses the terminal surface that is connected at male joint and takeover adopts O shape circle and sealed twice of filling up sealed to seal, has not only improved sealed reliability, also does benefit to sealedly through dismouting many times moreover, adopts the combination of sleeve pipe, bolt, female joint, only need extract the bolt when dismantling, just can unpack the male joint fast and take over, need not twist out the screw thread completely, has improved dismantlement efficiency.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
FIG. 1 is a schematic structural view of a pipe joint for a screw air compressor according to the present invention;
FIG. 2 is a view from A-A of a female connector of a pipe joint for a screw air compressor according to the present invention;
fig. 3 is a B-B view of the male joint of the pipe joint for the screw air compressor according to the present invention.
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 some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Please refer to fig. 1, fig. 2 and fig. 3 together, the pipe joint for screw air compressor includes a male joint 1, a circular boss 12 is disposed in the middle of the outer side of the male joint 1, external threads 11 are disposed on the left and right sides of the circular boss 12, the left external thread 11 of the circular boss 12 is connected to a female joint 5 in a matching manner, an inner circular surface of the female joint 5 is further matched with a connection pipe 7, an outer circular surface of a boss 72 of the connection pipe 7 is matched with an inner circular surface of the female joint 5 and is limited by a sleeve 6, the inner circular surface of the sleeve 6 is sleeved on the connection pipe 7, the outer circular surface of the sleeve 6 is matched with the inner circular surface of the female joint 5, and the sleeve 6 is limited by a plurality of pins 4.
The male joint 1 is provided with a first sealing groove 14 and a second sealing groove 13 on the end face of one end of the connecting pipe 7, the second sealing groove 13 is arranged on the inner side of the first sealing groove 14, an O-shaped sealing ring 3 is arranged in the first sealing groove 14, and a sealing gasket 2 is arranged in the second sealing groove 13.
The terminal surface of the boss 72 end of the connecting pipe 7 is provided with an annular boss 73, the annular boss 73 is matched with the second sealing groove 13, and the terminal surface of the annular boss 73 is abutted to the sealing gasket 2.
The other end of the annular boss 73 of the connecting pipe 7 is also provided with a welding groove 71, the angle alpha of the welding groove 71 is 25-30 degrees, and the design is beneficial to welding.
A plurality of first platforms 121 which are beneficial to screwing are arranged on the outer circular surface of the circular boss 12 of the male connector 1.
A plurality of second platforms 51 which are beneficial to screwing are arranged on the outer circular surface of the female joint 5.
The material of bolt 4 is stainless steel 2Cr13, and this kind of material not only intensity is higher, and does not rust, just one end of bolt 4 still is equipped with the handle 41 that does benefit to the extraction.
The sleeve 6 is further provided with a positioning boss 61 at the other end abutting against the adapter tube 7, and the positioning boss 61 can limit the axial movement of the sleeve 6.
The male connector 1, the female connector 5, the connecting pipe 7 and the sleeve 6 are made of carbon steel and are subjected to blackening treatment, and corrosion and rust can be prevented through the blackening treatment.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes made by the present specification can be changed, or directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a screw rod is coupling for air compressor, includes male joint, its characterized in that: the connector comprises a male connector and a female connector, and is characterized in that a circular boss is arranged in the middle of the outer side of the male connector, external threads are arranged on the left side and the right side of the circular boss, a female connector is connected to the external threads on the left side of the circular boss in a matching mode, a connecting pipe is further matched with the inner circular surface of the female connector, the outer circular surface of the boss of the connecting pipe is matched with the inner circular surface of the female connector and limited through a sleeve, the inner circular surface of the sleeve is sleeved with the connecting pipe, the outer circular surface of the sleeve is matched with the inner circular surface of the female connector, the sleeve is limited through a plurality of bolts.
2. The pipe joint for a screw air compressor according to claim 1, characterized in that: the male joint is provided with a first sealing groove and a second sealing groove on the end face of one end of the connecting pipe, the second sealing groove is arranged on the inner side of the first sealing groove, an O-shaped sealing ring is arranged in the first sealing groove, and a sealing gasket is arranged in the second sealing groove.
3. The pipe joint for a screw air compressor according to claim 2, characterized in that: the terminal surface of the boss end of takeover is equipped with annular boss, annular boss with the second seal groove matches just annular boss's terminal surface with sealed the butt of filling up.
4. The pipe joint for a screw air compressor according to claim 3, characterized in that: the other end of the annular boss of the connecting pipe is also provided with a welding groove, and the angle alpha of the welding groove is 25-30 degrees.
5. The pipe joint for a screw air compressor according to claim 1, characterized in that: and a plurality of first platforms are arranged on the outer circular surface of the circular boss of the male connector.
6. The pipe joint for a screw air compressor according to claim 1, characterized in that: and a plurality of second platforms are arranged on the outer circular surface of the female joint.
7. The pipe joint for a screw air compressor according to claim 1, characterized in that: the material of bolt is stainless steel 2Cr13, and the one end of bolt still is equipped with the handle.
8. The pipe joint for a screw air compressor according to claim 1, characterized in that: the other end of the sleeve abutting against the connecting pipe is also provided with a positioning boss.
9. The pipe joint for a screw air compressor according to claim 1, characterized in that: the male connector, the female connector, the connecting pipe and the sleeve are made of carbon steel and are subjected to blackening treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920346413.3U CN209960059U (en) | 2019-03-18 | 2019-03-18 | Pipe joint for screw air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920346413.3U CN209960059U (en) | 2019-03-18 | 2019-03-18 | Pipe joint for screw air compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209960059U true CN209960059U (en) | 2020-01-17 |
Family
ID=69240401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920346413.3U Active CN209960059U (en) | 2019-03-18 | 2019-03-18 | Pipe joint for screw air compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209960059U (en) |
-
2019
- 2019-03-18 CN CN201920346413.3U patent/CN209960059U/en active Active
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