CN210716472U

CN210716472U - Quick interface structure

Info

Publication number: CN210716472U
Application number: CN201921406145.6U
Authority: CN
Inventors: 陈佩春; 许浒; 袁洪霸; 涂利国
Original assignee: Zhejiang Xinbeirui Medical Technology Co Ltd
Current assignee: Kunshan Aibesi Medical Technology Co ltd
Priority date: 2019-08-27
Filing date: 2019-08-27
Publication date: 2020-06-09
Anticipated expiration: 2029-08-27

Abstract

The utility model discloses a connect structure soon, casing one end is equipped with interface one, the casing other end is equipped with interface two, be equipped with a plurality of coupling in the casing, the coupling includes body one and body two, the one end of body one is equipped with connecting pipe one, the other end of body one can be dismantled with the one end of body two and be connected, the other end of body two is equipped with connecting pipe two, body one constitutes the cavity with body two, cavity one end is linked together with connecting pipe one, the cavity other end communicates with the connecting pipe two phase, be equipped with the mainstream pipe in the cavity, the inside cavity that is equipped with of mainstream pipe, the cavity both ends all are equipped with through-hole one, the mainstream pipe both ends all are equipped with and a through-hole assorted baffle, the baffle rotates with the mainstream pipe to be connected, the cavity both ends all are equipped with a plurality of flow opening, the flow opening all is located the mainstream pipe side. The utility model has the advantages that: the sealing performance is good; can flow in two directions; can be connected quickly.

Description

Quick interface structure

Technical Field

The utility model belongs to the technical field of the relevant technique of switching mouth and specifically relates to indicate a fast interface structure.

Background

The pipe joint is a connecting tool between pipelines, is a connecting point which can be disassembled and assembled between elements and pipelines, plays an indispensable important role in the pipe fitting, is mainly used for parts which need to be disassembled and assembled frequently or used for final adjustment of a pipeline using a threaded pipe fitting, and as the pipe joint belongs to a detachable connecting element, the pipe joint also has the requirements of convenience in disassembly and assembly and wide application range besides the requirements of normal connection stability, strong sealing property, reasonable size, small pressure loss, good process performance and the like. At present, most pipe joints can only meet the unidirectional flow of fluid media, the bidirectional uniform flowable effect cannot be realized, and when equipment needs the reverse flow of the fluid media, the adapter needs to be replaced, so that the working efficiency is reduced while the inconvenience is brought to the work.

SUMMERY OF THE UTILITY MODEL

The utility model relates to an overcome the unable two-way homogeneous flowable problem of realizing among the prior art, provide a two-way homogeneous flowable fast interface structure.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a quick connector structure comprises a shell, wherein one end of the shell is provided with a first connector, the other end of the shell is provided with a second connector, a plurality of pipe joints are arranged in the shell and comprise a first pipe body and a second pipe body, one end of the first pipe body is provided with a first connecting pipe, the other end of the first pipe body is detachably connected with the second pipe body, a sealing ring is arranged between the first pipe body and the second pipe body, one end of the second pipe body is detachably connected with the first pipe body, the other end of the second pipe body is provided with a second connecting pipe, the first pipe body and the second pipe body form a cavity, one end of the cavity is communicated with the first connecting pipe, the other end of the cavity is communicated with the second connecting pipe, a main flow pipe is fixedly connected in the cavity, a cavity is arranged in the main flow pipe, both ends of the cavity are provided with a first through hole, both, the baffle rotates with the mainstream pipe to be connected, the both ends of cavity all are equipped with a plurality of circulation mouth, the circulation mouth all is located the side of mainstream pipe, be equipped with a plurality of and circulation mouth assorted dog in the cavity, the lateral wall sliding connection of dog and cavity.

One end of the shell is provided with a first interface, the other end of the shell is provided with a second interface, the shell is internally provided with a plurality of pipe joints, each pipe joint comprises a first pipe body and a second pipe body, one end of the first pipe body is provided with a first connecting pipe, the other end of the first pipe body is detachably connected with the second pipe body, a sealing ring is arranged between the first pipe body and the second pipe body, one end of the second pipe body is detachably connected with the first pipe body, the other end of the second pipe body is provided with a second connecting pipe, the first pipe body and the second pipe body form a cavity, one end of the cavity is communicated with the first connecting pipe, the other end of the cavity is communicated with the second connecting pipe, a main flow pipe is fixedly connected in the cavity, the inside of the main flow pipe is provided with a cavity, both ends of the cavity are provided with a first through hole, both ends, a plurality of check blocks matched with the circulation ports are arranged in the cavity, and the check blocks are connected with the side wall of the cavity in a sliding mode. The first interface is convenient for the pipeline of external equipment to be connected with the corresponding pipe joint through the first connecting pipe, and the second interface is convenient for the internal pipeline to be connected with the corresponding pipe joint through the second connecting pipe; the sealing ring has good effect on the tightness of the fluid medium when flowing in the cavity; the fluid medium enters the chamber from one end of the pipe joint and pushes the stop block close to the end, so that the stop block slides forwards and is separated from the flow opening, the fluid medium enters the cavity of the main flow pipe from the flow opening and pushes the stop block at the other end outwards, the cavity is communicated with the chamber through the first through hole, and the fluid medium flows out from the other end of the pipe joint.

Preferably, one end of the baffle is rotatably connected with the main flow pipe, the other end of the baffle is provided with a magnetic block, the baffle completely covers the first through hole, and the main flow pipe is provided with an iron block matched with the magnetic block. When the fluid channel is communicated, the fluid medium rushes off the baffle in the closed state and enters the corresponding pipeline through the first connecting pipe or the second connecting pipe; when the fluid channel is closed, the baffle plate is quickly closed by the mutual attraction of the magnet and the iron block, so that leakage is prevented, and the safety performance is good.

Preferably, the central axis of the first connecting pipe and the central axis of the second connecting pipe are coaxial with the central axis of the first through hole, and the inner diameter of the first connecting pipe and the inner diameter of the second connecting pipe are larger than the diameter of the first through hole. Therefore, the design is favorable for the fluid medium in the cavity to directly enter the first connecting pipe or the second connecting pipe when the baffle at one end is flushed away, and the loss of the fluid medium is reduced.

Preferably, the stopper has two annular shapes, one side of the stopper is slidably connected to the side wall of the chamber, the other side of the stopper is in contact with the outer side surface of the main pipe, and the stopper completely covers the flow opening. The baffle is in a closed state in an initial state, the fluid medium enters the chamber from one end, the stop block at the end is pushed to move forwards, the stop block is separated from the flow port, and the fluid medium enters the cavity of the main flow pipe from the flow port; the check block is annular and has a certain sealing effect on the gap between the main flow pipe and the side wall of the chamber; the stop block completely covers the flow port, so that the design is favorable for medium fluid in the cavity to directly flow out from the through hole and enter the first connecting pipe or the second connecting pipe.

Preferably, the two ends of the cavity are provided with a plurality of uniformly distributed springs, the springs are located on the side face of the main flow pipe, one ends of the springs are fixedly connected with the check block, and the other ends of the springs are fixedly connected with the side wall of the cavity. When closing fluid passage, the spring is favorable to the reseing of dog, covers the circulation mouth, prevents to produce and reveals, and the security performance is good.

As preferred, the casing includes the protective housing, be equipped with the mounting panel in the protective housing, coupling and mounting panel joint, interface one is located the one end of protective housing, the other end of protective housing is equipped with L type turn-ups one, the mounting panel is installed on a limit of L type turn-ups one, another limit threaded connection of L type turn-ups one has the fixing base, the one end and the protective housing threaded connection of fixing base, the other end of fixing base is equipped with the spacing post of connecting block and a plurality of, the connecting block is located the fixing base and can dismantle with the fixing base and be connected, the spacing post evenly distributed of a. The pipeline of the external equipment can be internally provided with a plurality of branch pipelines, the branch pipelines are connected with the corresponding first connecting pipes through the first interfaces, and the connecting blocks are used for connecting the pipelines at the other ends.

Preferably, the shape of fixing base is ring shape, be equipped with L type turn-ups two on the lateral surface of fixing base, L type turn-ups two and the L type turn-ups threaded connection on the protective housing, the one end of connecting block is equipped with through-hole two, the one end that the connecting block was equipped with through-hole two is located the fixing base, interface two is located the other end of connecting block and communicates with through-hole two phase, the cover is equipped with the installation piece on the lateral surface of fixing base, be equipped with a plurality of and spacing post assorted rotary clamping groove on the installation piece, the installation piece cooperatees through spacing post and rotary clamping groove and installs on the fixing base, be equipped with the turn-ups on the installation piece, the turn-ups is arranged in on L type turn-ups two, be equipped with a plurality of evenly distributed's mounting hole on the turn-ups. The protective housing earlier with fixing base threaded connection, the installation piece cooperatees through spacing post and rotary clamping groove and installs on the fixing base, installs the connecting block on the fixing base at last, the mounting hole on the installation piece be convenient for fast interface and equipment main part demountable installation.

Preferably, a first fixing shaft shoulder is arranged on the connecting block, one end of the fixing seat is in contact with the mounting plate, the other end of the fixing seat is in contact with the first fixing shaft shoulder, one end of the mounting block is in contact with the L-shaped flange through the flange, the other end of the mounting block is in contact with the first fixing shaft shoulder, a fixing plate is fixedly connected in the second through hole, the pipe joint is clamped with the fixing plate, a guide column is arranged on the fixing plate, one end of the guide column is fixedly connected with the fixing plate, and the other end of the guide column is located in. The L-shaped flange I and the fixed seat play a role in fixing the mounting plate; because the plurality of pipe joints are arranged in the shell, when the purpose of each pipe joint is inconsistent, in order to prevent the pipe joint from being connected with the pipeline in a wrong way, the guide posts on the fixing plate are matched with the corresponding guide holes, which is beneficial to correctly connecting the pipe joint with the corresponding pipeline and realizing quick connection.

Preferably, one end of the pipe joint is located in the protective shell, the other end of the pipe joint penetrates through the mounting plate and the fixing plate in sequence and then is located outside the connecting block, the first pipe body and the second pipe body are respectively provided with a second fixed shaft shoulder and a limiting block, the limiting blocks are provided with transition inclined planes, the mounting plate is matched with the second fixed shaft shoulder and the limiting blocks on the first pipe body, the mounting plate is located between the second fixed shaft shoulder and the limiting blocks on the first pipe body, the fixing plate is matched with the second fixed shaft shoulder and the limiting blocks on the second pipe body, and the fixing plate is located between the second. The transition inclined plane is convenient for the coupling to install on fixed shaft shoulder two, and the stopper plays certain limiting displacement to the coupling simultaneously.

Preferably, the shell is internally provided with the circuit plug connector, one end of the circuit plug connector is provided with a plug, the other end of the circuit plug connector is provided with a jack, one end of the circuit plug connector is installed on the installation plate, the other end of the circuit plug connector is installed on the fixing plate, and the pipe joints are located on the side faces of the circuit plug connector. When the circuit connection is needed, the circuit plug connector is connected with an external circuit, and multiple purposes of the quick interface are achieved.

The utility model has the advantages that: the design of the sealing ring, the baffle and the stop block is favorable for preventing leakage, and the sealing performance and the safety performance are good; the two ends of the main flow pipe are provided with the same structure and can flow in two directions; the guide posts on the fixing plate are matched with the corresponding guide holes, so that the pipe joint and the corresponding pipeline can be correctly connected, and the quick connection is realized.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is an isometric view of one end of the present invention;

fig. 3 is an isometric view of another end of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 1 at A;

fig. 5 is a structural schematic view of the pipe joint.

In the figure: 1. the novel connector comprises a shell, a first connector, a second connector, a mounting plate, a pipe joint, a first pipe body, a second pipe body, a connecting pipe 8, a first sealing ring 9, a connecting pipe 10, a second connecting pipe 11, a chamber 12, a main flow pipe 13, a cavity, a first through hole 14, a baffle 15, a flow opening 16, a stop 17, a spring 18, a protective shell 19, a first L-shaped flange 21, a fixed seat 22, a connecting block 23, a limiting column 24, a second L-shaped flange 25, a second through hole 26, a mounting block 27, a rotary clamping groove 28, a flange 29, a mounting hole 30, a first fixed shaft shoulder 31, a first fixed plate 32, a guide column 33, a second fixed shaft shoulder 34, a limiting block 35 and a circuit connector.

Detailed Description

The invention is further described with reference to the accompanying drawings and the detailed description.

In the embodiment shown in fig. 1, a quick-connection structure comprises a casing 1, a first connector 2 is arranged at one end of the casing 1, a second connector 3 is arranged at the other end of the casing 1, a plurality of pipe joints 5 are arranged in the casing 1, each pipe joint 5 comprises a first pipe body 6 and a second pipe body 7, a first connecting pipe 8 is arranged at one end of each first pipe body 6, the other end of each first pipe body 6 is detachably connected with the second pipe body 7, a sealing ring 9 is arranged between each first pipe body 6 and each second pipe body 7, one end of each second pipe body 7 is detachably connected with each first pipe body 6, a second connecting pipe 10 is arranged at the other end of each second pipe body 7, each first pipe body 6 and each second pipe body 7 form a chamber 11, one end of each chamber 11 is communicated with the first connecting pipe 8, the other end of each chamber 11 is communicated with the second connecting pipe 10, a main flow pipe 12 is fixedly, the both ends of mainstream pipe 12 all be equipped with a 14 assorted baffles 15 of through-hole, baffle 15 rotates with mainstream pipe 12 to be connected, and the both ends of cavity 13 all are equipped with a plurality of circulation mouth 16, and circulation mouth 16 all is located the side of mainstream pipe 12, is equipped with a plurality of and circulation mouth 16 assorted dog 17 in the cavity 13, the lateral wall sliding connection of dog 17 and cavity 11. One end of the baffle 15 is rotatably connected with the main flow pipe 12, the other end of the baffle 15 is provided with a magnetic block, the baffle 15 completely covers the first through hole 14, and the main flow pipe 12 is provided with an iron block matched with the magnetic block. The central shaft of the first connecting pipe 8 and the central shaft of the second connecting pipe 10 are the same axis as the central shaft of the first through hole 14, and the inner diameter of the first connecting pipe 8 and the inner diameter of the second connecting pipe 10 are larger than the diameter of the first through hole 14. The stopper 17 is two in total, the stopper 17 is annular, one side of the stopper 17 is slidably connected to the side wall of the chamber 11, the other side of the stopper 17 is in contact with the outer side surface of the main pipe 12, and the stopper 17 completely covers the circulation port 16. Both ends of cavity 11 all are equipped with a plurality of evenly distributed's spring 18, and a plurality of spring 18 all is located the side of mainstream pipe 12, and spring 18's one end and dog 17 fixed connection, spring 18's the other end and cavity 11's lateral wall fixed connection.

As shown in fig. 1, casing 1 includes protective housing 19, be equipped with mounting panel 4 in the protective housing 19, coupling 5 and the joint of mounting panel 4, interface one 2 is located the one end of protective housing 19, the other end of protective housing 19 is equipped with one of L type turn-ups 20, mounting panel 4 is installed in one of L type turn-ups 20 edge, another limit threaded connection of one of L type turn-ups 20 has fixing base 21, as shown in fig. 2, fig. 3 shows, fixing base 21's one end and 19 threaded connection of protective housing, fixing base 21's the other end is equipped with connecting block 22 and the spacing post 23 of a plurality of, connecting block 22 is located fixing base 21 and can dismantle with fixing base 21 and be connected, the even distribution of a plurality.

As shown in fig. 3, the fixing seat 21 is annular, an L-shaped flange two 24 is arranged on the outer side surface of the fixing seat 21, the L-shaped flange two 24 is in threaded connection with an L-shaped flange one 20 on the protective shell 19, as shown in fig. 1, a through hole two 25 is arranged at one end of the connecting block 22, one end of the connecting block 22 provided with the through hole two 25 is positioned in the fixing seat 21, a connector two 3 is positioned at the other end of the connecting block 22 and is communicated with the through hole two 25, as shown in fig. 2 and 3, an installation block 26 is sleeved on the outer side surface of the fixing seat 21, a plurality of rotary clamping grooves 27 matched with the limiting posts 23 are arranged on the installation block 26, the installation block 26 is installed on the fixing seat 21 through the limiting posts 23 and the rotary clamping grooves 27, a flange 28 is arranged on the L-shaped flange two 24, a plurality of evenly distributed installation holes 29 are arranged on the flange, the mounting hole 29 is located near the edge of the flange 28, and the second L-shaped flange 24 is located far from the edge of the flange 28.

As shown in fig. 4, a first fixing shaft shoulder 30 is arranged on the connecting block 22, one end of the fixing base 21 contacts with the mounting plate 4, the other end of the fixing base 21 contacts with the first fixing shaft shoulder 30, one end of the mounting block 26 contacts with a second L-shaped flange 24 through a flange 28, the other end of the mounting block 26 contacts with the first fixing shaft shoulder 30, a fixing plate 31 is fixedly connected in the second through hole 25, the pipe joint 5 is clamped with the fixing plate 31, as shown in fig. 2, a guide post 32 is arranged on the fixing plate 31, one end of the guide post 32 is fixedly connected with the fixing plate 31, and the other end of the guide post 32 is located in the second.

As shown in fig. 1 and 5, one end of the pipe joint 5 is located in the protective shell 19, the other end of the pipe joint 5 sequentially penetrates through the mounting plate 4 and the fixing plate 31 and then is located outside the connecting block 22, the first pipe body 6 and the second pipe body 7 are both provided with the second fixing shaft shoulder 33 and the limiting block 34, the limiting block 34 is provided with the transition inclined plane, the mounting plate 4 is matched with the second fixing shaft shoulder 33 and the limiting block 34 on the first pipe body 6, the mounting plate 4 is located between the second fixing shaft shoulder 33 and the limiting block 34 on the first pipe body 6, the fixing plate 31 is matched with the second fixing shaft shoulder 33 and the limiting block 34 on the second pipe body 7, and the fixing plate 31 is located between the second fixing.

As be equipped with circuit connector 35 in fig. 1, fig. 2 casing 1, circuit connector 35's one end is equipped with the plug, and circuit connector 35's the other end is equipped with the jack, and circuit connector 35's one end is installed on mounting panel 4, and circuit connector 35's the other end is installed on fixed plate 31, and a plurality of coupling 5 all is located circuit connector 35's side.

The working principle is as follows: the fluid medium comprises gas and liquid, the utility model is mainly used for the pipeline connection of the dental chair cleaning machine, the dental chair cleaning machine is mainly provided with a drain pipe, an air inlet pipe, an outlet pipe and a pedal driving air pipe, the drain pipe is connected with the drain pipe of the dental chair through a corresponding pipe joint 5, an external air pump is connected with the inlet pipe through a corresponding pipe joint 5, the inlet pipe is connected with the water supply end of the dental chair through a corresponding pipe joint 5, the outlet pipe is connected with the inlet pipe of the dental chair through a corresponding pipe joint 5, the air outlet end of a pedal controller is connected with the pedal driving air pipe of the dental chair through a corresponding pipe joint 5, both ends of a main flow pipe 12 have the same structure, the bidirectional flow can be realized, when the fluid channel is switched on, the fluid medium enters into a cavity 11 of the pipe joint 5 from one end of the pipe joint 5 to push a stop 17, fluid medium enters the cavity 13 of the main flow pipe 12 from the flow port 16 and outwards rushes open the baffle plate 15 with the other end in a closed state, the cavity 13 is communicated with the chamber 11 through the first through hole 14, the fluid medium flows out from the other end of the pipe joint 5, when the fluid channel is closed, the baffle plate 15 and an iron block are mutually attracted and quickly closed through a magnet, the stop block 17 is reset through the spring 18, the flow port 16 is covered, leakage is prevented, and safety performance is good. In order to prevent the pipe joint 5 from being connected with the pipeline in a wrong way, the guide posts 32 on the fixing plate 31 are matched with the corresponding guide holes, so that the pipe joint 5 and the corresponding pipeline can be connected correctly, and quick connection is realized.

Claims

1. A quick-connection structure is characterized by comprising a shell (1), wherein one end of the shell (1) is provided with a first connector (2), the other end of the shell (1) is provided with a second connector (3), a plurality of pipe joints (5) are arranged in the shell (1), each pipe joint (5) comprises a first pipe body (6) and a second pipe body (7), one end of the first pipe body (6) is provided with a first connecting pipe (8), the other end of the first pipe body (6) is detachably connected with the second pipe body (7), a sealing ring (9) is arranged between the first pipe body (6) and the second pipe body (7), one end of the second pipe body (7) is detachably connected with the first pipe body (6), the other end of the second pipe body (7) is provided with a second connecting pipe (10), the first pipe body (6) and the second pipe body (7) form a cavity (11), and one end of the cavity (11) is communicated with the first connecting pipe, the other end of cavity (11) is linked together with two (10) of connecting pipe, fixedly connected with mainstream pipe (12) in cavity (11), the inside of mainstream pipe (12) is equipped with cavity (13), the both ends of cavity (13) all are equipped with through-hole one (14), the both ends of mainstream pipe (12) all are equipped with through-hole one (14) assorted baffle (15), baffle (15) rotate with mainstream pipe (12) to be connected, the both ends of cavity (13) all are equipped with a plurality of circulation mouth (16), circulation mouth (16) all are located the side of mainstream pipe (12), be equipped with a plurality of in cavity (13) and circulation mouth (16) assorted dog (17), the lateral wall sliding connection of dog (17) and cavity (11).

2. The quick-connection structure according to claim 1, wherein one end of the baffle (15) is rotatably connected with the main flow pipe (12), the other end of the baffle (15) is provided with a magnetic block, the baffle (15) completely covers the first through hole (14), and the main flow pipe (12) is provided with an iron block matched with the magnetic block.

3. The quick-connection structure as claimed in claim 1, wherein the central axis of the first connecting pipe (8) and the central axis of the second connecting pipe (10) are both coaxial with the central axis of the first through hole (14), and the inner diameter of the first connecting pipe (8) and the inner diameter of the second connecting pipe (10) are both larger than the diameter of the first through hole (14).

4. A quick-connect structure according to claim 1, 2 or 3, characterized in that said stop (17) comprises two blocks, said stop (17) is shaped like a circular ring, one side of said stop (17) is slidingly connected to the side wall of the chamber (11), the other side of said stop (17) is in contact with the outer side of the main flow pipe (12), said stop (17) completely covers the flow opening (16).

5. The quick-connection structure according to claim 4, wherein a plurality of uniformly distributed springs (18) are arranged at both ends of the chamber (11), the plurality of springs (18) are arranged on the side surface of the main flow pipe (12), one end of each spring (18) is fixedly connected with the stop block (17), and the other end of each spring (18) is fixedly connected with the side wall of the chamber (11).

6. The quick-connection structure according to claim 1, 2 or 3, wherein the housing (1) comprises a protective shell (19), a mounting plate (4) is arranged in the protective shell (19), the pipe joint (5) is clamped with the mounting plate (4), the first connector (2) is located at one end of the protective shell (19), the other end of the protective shell (19) is provided with a first L-shaped flange (20), the mounting plate (4) is mounted on one edge of the first L-shaped flange (20), the other edge of the first L-shaped flange (20) is in threaded connection with a fixed seat (21), one end of the fixed seat (21) is in threaded connection with the protective shell (19), the other end of the fixed seat (21) is provided with a connecting block (22) and a plurality of limiting columns (23), the connecting block (22) is located in the fixed seat (21) and is detachably connected with the fixed seat (21), a plurality of spacing posts (23) are evenly distributed on the outer side surface of the fixed seat (21).

7. The quick-connection structure according to claim 6, wherein the fixing seat (21) is annular, an L-shaped flange II (24) is arranged on the outer side surface of the fixing seat (21), the L-shaped flange II (24) is in threaded connection with an L-shaped flange I (20) on the protective shell (19), a through hole II (25) is arranged at one end of the connecting block (22), one end of the connecting block (22) provided with the through hole II (25) is located in the fixing seat (21), the connector II (3) is located at the other end of the connecting block (22) and is communicated with the through hole II (25), an installation block (26) is sleeved on the outer side surface of the fixing seat (21), a plurality of rotary clamping grooves (27) matched with the limiting columns (23) are arranged on the installation block (26), and the installation block (26) is matched with the rotary clamping grooves (27) through the limiting columns (23) and is arranged on the fixing seat (21), be equipped with turn-ups (28) on installation piece (26), on L type turn-ups two (24) were arranged in turn-ups (28), be equipped with a plurality of evenly distributed's mounting hole (29) on turn-ups (28), the diameter of turn-ups (28) is greater than the diameter of L type turn-ups two (24), mounting hole (29) are located the edge that is close to turn-ups (28), edge that L type turn-ups (28) are located to keep away from turn-ups (28) is located to L type turn-ups two (24).

8. The quick-connection structure according to claim 7, wherein a first fixing shaft shoulder (30) is arranged on the connecting block (22), one end of the fixing seat (21) is in contact with the mounting plate (4), the other end of the fixing seat (21) is in contact with the first fixing shaft shoulder (30), one end of the mounting block (26) is in contact with a second L-shaped flange (24) through a flange (28), the other end of the mounting block (26) is in contact with the first fixing shaft shoulder (30), a fixing plate (31) is fixedly connected in the second through hole (25), the pipe joint (5) is connected with the fixing plate (31) in a clamping mode, a guide column (32) is arranged on the fixing plate (31), one end of the guide column (32) is fixedly connected with the fixing plate (31), and the other end of the guide column (32) is located in the second connection (3).

9. A quick-connect construction according to claim 8, characterised in that one end of the pipe connection (5) is located in a protective casing (19), the other end of the pipe joint (5) penetrates through the mounting plate (4) and the fixing plate (31) in sequence and then is positioned outside the connecting block (22), the first pipe body (6) and the second pipe body (7) are both provided with a second fixed shaft shoulder (33) and a limiting block (34), a transition inclined plane is arranged on the limiting block (34), the mounting plate (4) is matched with the second fixing shaft shoulder (33) and the limiting block (34) on the first pipe body (6), the mounting plate (4) is positioned between the second fixed shaft shoulder (33) on the first pipe body (6) and the limiting block (34), the fixed plate (31) is matched with a second fixed shaft shoulder (33) and a limiting block (34) on the second pipe body (7), the fixing plate (31) is positioned between the second fixing shaft shoulder (33) on the second pipe body (7) and the limiting block (34).

10. The quick-connection structure according to claim 8 or 9, characterized in that a circuit plug connector (35) is arranged in the housing (1), a plug is arranged at one end of the circuit plug connector (35), a jack is arranged at the other end of the circuit plug connector (35), one end of the circuit plug connector (35) is installed on the installation plate (4), the other end of the circuit plug connector (35) is installed on the fixing plate (31), and the plurality of pipe joints (5) are located on the side face of the circuit plug connector (35).