High-voltage butt joint plug
By introducing a quick-release mechanism, a sealing mechanism, and a pressure-resistant and explosion-proof mechanism into the high-voltage connector, the problems of inconvenient disassembly and assembly, insufficient sealing, and poor pressure resistance and durability are solved, achieving quick disassembly and assembly, improved sealing and anti-static capabilities, and extended service life.
Patent Information
- Application Number
- CN202520727518.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-17
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-04-17
AI Technical Summary
Existing high-voltage connectors are inconvenient to install and disassemble, difficult to operate, lack sealing, and have poor pressure resistance and durability, resulting in unreliable connections and short service life.
The design incorporates a quick-release mechanism, a high-sealing mechanism, and a pressure-resistant and explosion-proof mechanism, including a pressing rod, a telescopic spring, a sealing ring, a sealing groove, a pressure-resistant inner ring, and an anti-static layer, enabling quick disassembly and assembly of the connector, improving sealing performance and pressure resistance.
It enables quick assembly and disassembly of the connector, improves connection reliability and sealing, enhances anti-static capability, and extends service life.
Smart Images
Figure CN223855074U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of plug, specifically is high pressure plug. BACKGROUND
[0002] High pressure connector has been widely applied in hydraulic system, and the main function is to connect oil pipe and valve, and the structure is that one end of screw rod is provided with conical surface, a through hole is arranged in the middle of screw rod, nut is sleeved on screw rod, screw rod conical surface is used for sealing, screw rod middle through hole is used for oil through, and nut is used for connecting valve of other oil pipe, the structure high pressure connector mainly plays the role of connecting other oil pipe and valve, and the present application provides a high pressure plug.
[0003] The existing plug is not convenient to disassemble and assemble, and the sealing performance needs to be further improved. UTILITY MODEL CONTENTS
[0004] The utility model discloses a high pressure plug, which solves the problems of inconvenient disassembly and assembly, inconvenient operation, poor sealing performance and poor pressure resistance of the existing plug.
[0005] In order to achieve the above object, the utility model provides the following technical scheme: high pressure butt joint plug, including butt joint plug body, the surface of butt joint plug body top position department is installed with joint seat, the surface of butt joint plug body bottom position department is installed with fixed pipe, the below of butt joint plug body is provided with joint head, the surface of joint head bottom position department is installed with threaded pipe, one side of threaded pipe is provided with gas pipe body, one end of gas pipe body extends to the inside of threaded pipe and is mutually screwed with the inner wall of threaded pipe, the inside of butt joint plug body, fixed pipe and joint head all is provided with quick dismounting mechanism, the inside of quick dismounting mechanism contains presser bar, telescopic spring and quick dismounting group, the surface of threaded pipe and gas pipe body all is provided with high sealing mechanism, the inside of high sealing mechanism contains sealing ring, sealing groove and high sealing group, the inside of butt joint plug body is provided with anti -pressure explosion -proof mechanism, the inside of anti -pressure explosion -proof mechanism contains anti -pressure inner ring, anti -static layer, anti -static groove and anti -pressure groove.
[0006] Preferably, the surface of the fixed pipe is provided with an elastic clamping piece, the elastic clamping piece is in clamping fit with the inner wall of the joint head, the inner wall of the joint head and the inner wall of the threaded pipe are both provided with a through groove, the inside of the butt joint plug body and the inside of the joint seat are both provided with a groove, and the inside of the groove is in communication with the inside of the through groove.
[0007] Preferably, the quick dismounting group is arranged in the inside of the butt joint plug body, the fixed pipe and the joint head, the quick dismounting group is composed of a fixed groove, a positioning clamping piece, an extension spring and a moving clamping piece, the inside of the butt joint plug body and the inside of the joint head are both provided with a fixed groove, the surface of the fixed pipe is provided with a recess, the inside of the recess is in communication with the inside of the fixed groove, and the inside of the recess is provided with a moving clamping piece, the moving clamping piece is in clamping fit with the inner wall of the joint head, the surface of the moving clamping piece is provided with an extension spring, and one end of the extension spring is fixed with the inner wall of the recess.
[0008] Preferably, the surface of the butt joint plug body is provided with a presser bar, one end of the presser bar extends to the inside of the fixed groove and is fixed with the surface of the moving clamping piece, the presser bar and the inner wall of the fixed groove are in sliding fit with each other, the inner wall of the presser bar is provided with a telescopic spring, one end of the telescopic spring is fixed with the surface of the butt joint plug body, the surface of the presser bar is provided with a positioning clamping piece, and the positioning clamping piece is in clamping fit with the inner wall of the fixed pipe.
[0009] Preferably, the inside of the butt joint plug body is provided with an anti-pressure inner ring for improving the anti-pressure effect of the butt joint plug body, the inner wall of the anti-pressure inner ring is provided with anti-pressure grooves at equal intervals for resisting pressure and explosion-proof of the butt joint plug body.
[0010] Preferably, the interior of the mating plug body is provided with an anti-static groove, and an anti-static layer is arranged in the anti-static groove.
[0011] Preferably, the high sealing group is arranged on the surface of the threaded pipe and the tracheal body, and the high sealing group is composed of an elastic device, a rubber pad and a silica gel pad.
[0012] Preferably, the surface of the silica gel pad is provided with a rubber pad for sealing the threaded pipe and the tracheal body, the rubber pad and the silica gel pad are slidably connected with the inner wall of the sealing groove, the inner wall of the rubber pad is in contact with the surface of the tracheal body, and the inner wall of the sealing groove is provided with the elastic device at equal intervals.
[0013] Compared with the prior art, the high-pressure mating plug has the advantages that: the mating plug can be quickly disassembled and assembled between the mating plug body and the connector head, the connection between the mating plug body and the connector head is more reliable and convenient to operate, the sealing effect between the threaded pipe and the tracheal body can be greatly improved when the mating plug is used, the overall air tightness of the mating plug is higher when the mating plug is used, and the phenomenon of air leakage is less likely to occur, and the anti-static ability of the structure can be improved when the mating plug body and the connector head are used, thereby further improving the explosion-proof performance of the mating plug body and the connector head, and prolonging the service life of the mating plug.
[0014] 1. The quick disassembly and assembly mechanism is arranged, the moving clamping piece is clamped into the interior of the connector head in the normal state, the mating plug body and the connector head can be stably assembled, when the user needs to disassemble the mating plug body and the connector head, the user presses the pressing rod on the surface of the mating plug body, the pressing rod moves to one side of the mating plug body under the elastic force of the extension spring on the surface of the pressing rod, the pressing rod slides in the fixed groove, at this time, the fixed groove drives the positioning clamping piece away from the inner wall of the connector head, when the fixed groove moves, the fixed groove drives the moving clamping piece to move in the groove, at this time, the moving clamping piece presses the extension spring in the groove, the extension spring moves away from the interior of the connector head, so that the connector head is taken off from the surface of the mating plug body, the connector head moves away from the surface of the elastic clamping piece, and the quick disassembly and assembly function of the mating plug is realized, so that the mating plug can be quickly disassembled and assembled between the mating plug body and the connector head, and the connection between the mating plug body and the connector head is more reliable and convenient to operate.
[0015] 2、By setting has high sealing mechanism, when the trachea body installs on the surface of the threaded pipe, under the action of sealing ring between threaded pipe and trachea body is sealed, at this time, under the action of the spring force of spring in sealing groove, the silica gel pad and rubber pad are moved, so that the silica gel pad drives the rubber pad to move to contact with the surface of the trachea body, under the action of the spring force of spring, the silica gel pad can always drive the rubber pad to contact with the surface of the trachea body, under the action of silica gel pad and rubber pad, the trachea body and threaded pipe are sealed, avoid gas from threaded pipe and trachea body between seepage, realize the high sealing function of the plug, so that the plug can greatly improve the sealing effect between threaded pipe and trachea body, so that the overall air tightness of the plug is higher, and the phenomenon of air leakage is not easy to appear;
[0016] 3、By setting has anti pressure explosion proof mechanism, the plug body and the joint head are used, and the anti pressure performance requirement is higher, under the action of anti pressure inner ring and anti pressure groove, the overall anti pressure performance of the plug body and the joint head can be improved, under the action of anti static layer in anti static groove, the anti static ability of the plug body and the joint head can be improved, so as to further improve the explosion proof performance of the plug body and the joint head, realize the anti pressure durable function of the plug, so that the plug body and the joint head can improve the anti static ability of the structure when used, so as to further improve the explosion proof performance of the plug body and the joint head, so that the service life of the plug is longer. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;
[0018] Figure 2 It is the main view cross section structure schematic diagram of the utility model;
[0019] Figure 3 It is the overhead cross section enlarged structure schematic diagram of the utility model;
[0020] Figure 4 It is the Figure 2 Enlarged structure schematic diagram of quick dismounting mechanism of the utility model;
[0021] Figure 5 It is the Figure 2 Enlarged structure schematic diagram of anti pressure explosion proof mechanism of the utility model.
[0022] As shown in the figure, the high-pressure butt plug comprises a butt plug body 1, a joint head 101, a joint seat 102, a gas pipe body 103, a fixed pipe 104, a groove body 105, an elastic clamping piece 106, a through groove 107 and a threaded pipe 108. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.
[0024] The high-pressure butt plug provided by the utility model has the advantages that the high-pressure butt plug is provided with a quick dismounting mechanism, an anti-pressure explosion-proof mechanism and a high sealing mechanism, and the high-pressure butt plug is provided with a joint head, a joint seat, a gas pipe body, a fixed pipe, a groove body, an elastic clamping piece, a through groove and a threaded pipe. Figure 1 Figure 2 The high-pressure butt plug provided by the utility model has the advantages that the high-pressure butt plug is provided with a quick dismounting mechanism, an anti-pressure explosion-proof mechanism and a high sealing mechanism, and the high-pressure butt plug is provided with a joint head, a joint seat, a gas pipe body, a fixed pipe, a groove body, an elastic clamping piece, a through groove and a threaded pipe.
[0025] Further, as shown in the figure, the high-pressure butt plug comprises a butt plug body 1, a joint head 101, a joint seat 102, a gas pipe body 103, a fixed pipe 104, a groove body 105, an elastic clamping piece 106, a through groove 107 and a threaded pipe 108. Figure 2 Figure 4 As shown, the plug body 1, the fixed tube 104 and the inside of the connector head 101 are provided with quick disassembly and assembly mechanism 2, the inside of the quick disassembly and assembly mechanism 2 contains pressing rod 21, extension spring 22 and quick disassembly and assembly group 23, the quick disassembly and assembly group 23 is arranged in the inside of the plug body 1, the fixed tube 104 and the connector head 101, the quick disassembly and assembly group 23 is composed of fixed slot 231, positioning clamping piece 232, extension spring 233 and moving clamping piece 234, the inside of the plug body 1 and the connector head 101 is provided with fixed slot 231, the surface of the fixed tube 104 is provided with recess, and the recess is communicated with the inside of the fixed slot 231, and the inside of the recess is provided with moving clamping piece 234, the moving clamping piece 234 is clamped with the inner wall of the connector head 101, the surface of the moving clamping piece 234 is installed with extension spring 233, one end of the extension spring 233 is fixed with the inner wall of the recess, the surface of the plug body 1 is provided with pressing rod 21, one end of the pressing rod 21 extends to the inside of the fixed slot 231 and is fixed with the surface of the moving clamping piece 234, the pressing rod 21 and the inner wall of the fixed slot 231 are slidably connected, the inner wall of the pressing rod 21 is installed with extension spring 22, one end of the extension spring 22 is fixed with the surface of the plug body 1, the surface of the pressing rod 21 is installed with positioning clamping piece 232, and the positioning clamping piece 232 is clamped with the inner wall of the fixed tube 104.
[0026] In implementation, the moving clamping piece 234 is clamped in the inside of the connector head 101 in normal state, so that the plug body 1 and the connector head 101 can be stably assembled, when the user needs to disassemble the plug body 1 and the connector head 101, the user presses the pressing rod 21 on the surface of the plug body 1, under the elastic force of the extension spring 22 on the surface of the pressing rod 21, the pressing rod 21 moves to one side of the plug body 1, so that the pressing rod 21 slides in the fixed slot 231, at this time, the fixed slot 231 drives the positioning clamping piece 232 away from the inner wall of the connector head 101, when the fixed slot 231 moves, the fixed slot 231 drives the moving clamping piece 234 to move in the recess, at this time, the moving clamping piece 234 presses the extension spring 233 in the recess, so that the extension spring 233 moves away from the inside of the connector head 101, thereby the connector head 101 is removed from the surface of the plug body 1, so that the connector head 101 moves away from the surface of the elastic clamping piece 106, when the connector head 101 is installed on the surface of the plug body 1, the user releases the pressing rod 21 on the surface of the plug body 1, at this time, under the elastic force of the extension spring 233 in the recess, the moving clamping piece 234 is reset and clamped in the inside of the connector head 101, thereby the plug body 1 and the connector head 101 are assembled, to realize the function of quick disassembly and assembly of the plug.
[0027] Further, as shown in the drawings, Figure 2 and Figure 5As shown, the surface of the threaded pipe 108 and the tracheal body 103 are provided with high sealing mechanism 4, the inside of the high sealing mechanism 4 contains sealing ring 41, sealing groove 42 and high sealing group 43, the high sealing group 43 is arranged on the surface of the threaded pipe 108 and the tracheal body 103, the high sealing group 43 is composed of elastic device 431, rubber pad 432 and silica gel pad 433, the surface of the threaded pipe 108 is mounted with sealing ring 41, one end of the tracheal body 103 extends to the inside of the sealing ring 41, the inner wall of the sealing ring 41 is provided with sealing groove 42, the inside of the sealing groove 42 is provided with silica gel pad 433, the surface of the silica gel pad 433 is mounted with rubber pad 432 for sealing between the tracheal body 103 and the threaded pipe 108, the rubber pad 432 and the silica gel pad 433 are respectively slidably connected with the inner wall of the sealing groove 42, the inner wall of the rubber pad 432 is in contact with the surface of the tracheal body 103, the inner wall of the sealing groove 42 is mounted with elastic device 431 at equal intervals, one end of the elastic device 431 is fixed with the surface of the silica gel pad 433.
[0028] When the tracheal body 103 is mounted on the surface of the threaded pipe 108, the threaded pipe 108 and the tracheal body 103 are sealed under the action of the sealing ring 41, at this time, the silica gel pad 433 and the rubber pad 432 are driven to move under the elastic force of the elastic device 431 in the sealing groove 42, so that the silica gel pad 433 drives the rubber pad 432 to move to contact with the surface of the tracheal body 103, the silica gel pad 433 can always drive the rubber pad 432 to contact with the surface of the tracheal body 103 under the elastic force of the elastic device 431, the tracheal body 103 and the threaded pipe 108 are sealed under the joint action of the silica gel pad 433 and the rubber pad 432, so as to avoid gas from leaking between the threaded pipe 108 and the tracheal body 103, thereby realizing the high sealing function of the plug.
[0029] Further, as shown in Figure 2 and Figure 3 The inside of the plug body 1 is provided with pressure-resistant explosion-proof mechanism 3, the inside of the pressure-resistant explosion-proof mechanism 3 contains pressure-resistant inner ring 31, anti-static layer 32, anti-static groove 33 and pressure-resistant groove 34, the inside of the plug body 1 is mounted with pressure-resistant inner ring 31 for improving the pressure-resistant effect of the plug body 1, the inner wall of the pressure-resistant inner ring 31 is provided with pressure-resistant groove 34 at equal intervals for pressure-resistant explosion-proof of the plug body 1, the inside of the plug body 1 is provided with anti-static groove 33, the inside of the anti-static groove 33 is mounted with anti-static layer 32 for anti-static of the inside of the plug body 1.
[0030] In implementation, the plug-in plug body 1 and the plug head 101 have high requirements for compression resistance, and the compression resistance inner ring 31 and the compression resistance groove 34 can improve the overall compression resistance of the plug-in plug body 1 and the plug head 101. The anti-static layer 32 in the anti-static groove 33 can improve the anti-static ability of the plug-in plug body 1 and the plug head 101, thereby further improving the explosion-proof performance of the plug-in plug body 1 and the plug head 101, to realize the compression-resistant and durable function of the plug-in plug.
[0031] Working principle: in use, first place the plug-in plug body 1 at the specified position of the pneumatic equipment, so that the pneumatic equipment is installed between the connector seat 102, then place the air pipe body 103 on the surface of the threaded pipe 108, and twist the plug-in plug body 1 and the plug head 101, so that one end of the air pipe body 103 moves to the inside of the threaded pipe 108, so that the groove 105 and the through groove 107 in the plug-in plug body 1 are connected, and the plug-in plug body 1 and the plug head 101 are positioned and installed under the action of the elastic clamping piece 106, completing the assembly work between the pneumatic equipment and the plug-in plug body 1 and the plug head 101 and the air pipe body 103, thereby installing the pneumatic equipment and the air pipe between the plug-in plug body 1 and the plug head 101.
[0032] Subsequently, the moving clamping piece 234 is clamped to the inside of the plug head 101 in the normal state, so that the plug-in plug body 1 and the plug head 101 can be stably assembled, when the user needs to disassemble the plug-in plug body 1 and the plug head 101, the user presses the pressing rod 21 on the surface of the plug-in plug body 1, and the pressing rod 21 moves to one side of the plug-in plug body 1 under the elastic force of the extension spring 22 on the surface of the pressing rod 21, so that the pressing rod 21 slides in the fixed groove 231, at this time, the fixed groove 231 drives the positioning clamping piece 232 away from the inner wall of the plug head 101, when the fixed groove 231 moves, the fixed groove 231 drives the moving clamping piece 234 to move in the groove, at this time, the moving clamping piece 234 presses the extension spring 233 in the groove, so that the extension spring 233 moves away from the inside of the plug head 101, thereby taking the plug head 101 off the surface of the plug-in plug body 1, so that the plug head 101 moves away from the surface of the elastic clamping piece 106, when the plug head 101 is installed on the surface of the plug-in plug body 1, the user releases the pressing rod 21 on the surface of the plug-in plug body 1, at this time, the moving clamping piece 234 is reset to the inside of the plug head 101 under the elastic force of the extension spring 233 in the groove, thereby assembling the plug-in plug body 1 and the plug head 101, to realize the quick disassembly function of the plug-in plug, so that the plug-in plug can be quickly disassembled between the plug-in plug body 1 and the plug head 101, making the connection between the plug-in plug body 1 and the plug head 101 more reliable and more convenient to operate.
[0033] Subsequently, when the trachea body 103 is installed on the surface of the threaded pipe 108, the threaded pipe 108 and the trachea body 103 are sealed under the action of the sealing ring 41, at this time, the silica gel pad 433 and the rubber pad 432 are driven to move under the elastic force of the elastic device 431 inside the sealing groove 42, so that the silica gel pad 433 drives the rubber pad 432 to move to contact the surface of the trachea body 103, the silica gel pad 433 can always drive the rubber pad 432 to contact the surface of the trachea body 103 under the elastic force of the elastic device 431, the trachea body 103 and the threaded pipe 108 are sealed under the joint action of the silica gel pad 433 and the rubber pad 432, to avoid gas from the threaded pipe 108 and the trachea body 103, to achieve the function of high sealing of the plug connector, so that the plug connector can greatly improve the sealing effect between the threaded pipe 108 and the trachea body 103 when used, so that the overall air tightness of the plug connector when used is higher, and the phenomenon of air leakage is not easy to appear.
[0034] Subsequently, the plug connector body 1 and the connector head 101 are used, and the compression resistance performance requirement is higher, the overall compression resistance performance of the plug connector body 1 and the connector head 101 can be improved under the joint action of the compression resistance inner ring 31 and the compression resistance groove 34, the anti-static ability of the plug connector body 1 and the connector head 101 can be improved under the action of the anti-static layer 32 inside the anti-static groove 33, thereby further improving the explosion-proof performance of the plug connector body 1 and the connector head 101, to realize the function of the plug connector resistant to pressure and durable, so that the plug connector body 1 and the connector head 101 can improve the anti-static ability of the structure when used, thereby further improving the explosion-proof performance of the plug connector body 1 and the connector head 101, so that the service life of the plug connector is longer, and finally the use of the plug connector is completed.
[0035] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application.
Claims
1. High voltage counter plug comprising a counter plug body (1), characterized in that: The surface of the top of the docking plug body (1) is mounted with a plug base (102), the surface of the bottom of the docking plug body (1) is mounted with a fixed tube (104), the lower part of the docking plug body (1) is provided with a plug head (101), the surface of the bottom of the plug head (101) is mounted with a threaded tube (108), one side of the threaded tube (108) is provided with an air tube body (103), one end of the air tube body (103) extends to the inside of the threaded tube (108) and is threadedly matched with the inner wall of the threaded tube (108), the inside of the docking plug body (1), the fixed tube (104) and the plug head (101) is provided with a quick disassembly and assembly mechanism (2), the inside of the quick disassembly and assembly mechanism (2) contains a pressing rod (21), an extension spring (22) and a quick disassembly and assembly group (23), the surfaces of the threaded tube (108) and the air tube body (103) are provided with a high sealing mechanism (4), the inside of the high sealing mechanism (4) contains a sealing ring (41), a sealing groove (42) and a high sealing group (43), the inside of the docking plug body (1) is provided with a pressure-resistant explosion-proof mechanism (3), the inside of the pressure-resistant explosion-proof mechanism (3) contains a pressure-resistant inner ring (31), an anti-static layer (32), an anti-static groove (33) and a pressure-resistant groove (34).
2. The high pressure mating plug of claim 1, wherein: The surface of the fixed tube (104) is mounted with an elastic clamping piece (106), the inner wall of the plug head (101) and the inner wall of the threaded tube (108) are both provided with a through groove (107), the inside of the docking plug body (1) and the inside of the plug base (102) are both provided with a groove body (105), the inside of the groove body (105) is communicated with the inside of the through groove (107).
3. The high pressure mating plug of claim 1, wherein: The quick disassembly and assembly group (23) is arranged in the inside of the docking plug body (1), the fixed tube (104) and the plug head (101), the quick disassembly and assembly group (23) is composed of a fixed groove (231), a positioning clamping piece (232), an extension spring (233) and a moving clamping piece (234), the inside of the docking plug body (1) and the inside of the plug head (101) are both provided with a fixed groove (231), the surface of the fixed tube (104) is provided with a recess, the recess is communicated with the inside of the fixed groove (231), and the inside of the recess is provided with a moving clamping piece (234), the moving clamping piece (234) is clamped and matched with the inner wall of the plug head (101), the surface of the moving clamping piece (234) is mounted with an extension spring (233), one end of the extension spring (233) is fixed with the inner wall of the recess.
4. The high pressure mating plug of claim 1, wherein: The surface of the docking plug body (1) is provided with a pressing rod (21), one end of the pressing rod (21) extends to the inside of the fixed groove (231) and is fixed with the surface of the moving clamping piece (234), the pressing rod (21) and the inner wall of the fixed groove (231) are in sliding fit with each other, the inner wall of the pressing rod (21) is all installed with a telescopic spring (22), one end of the telescopic spring (22) is fixed with the surface of the docking plug body (1), the surface of the pressing rod (21) is all installed with a positioning clamping piece (232), the positioning clamping piece (232) and the inner wall of the fixed tube (104) are in clamping fit with each other.
5. The high pressure mating plug of claim 1, wherein: The inside of the docking plug body (1) is installed with a pressure resisting inner ring (31) for improving the pressure resisting effect of the docking plug body (1), the inner wall of the pressure resisting inner ring (31) is all provided with equidistant pressure resisting grooves (34) for resisting pressure and explosion of the docking plug body (1).
6. The high pressure mating plug of claim 1, wherein: The inside of the docking plug body (1) is all provided with an anti-static groove (33), the inside of the anti-static groove (33) is installed with an anti-static layer (32) for preventing static electricity in the inside of the docking plug body (1).
7. The high pressure mating plug of claim 1, wherein: The high sealing group (43) is arranged on the surface of the threaded tube (108) and the air tube body (103), the high sealing group (43) is composed of an elastic device (431), a rubber pad (432) and a silica gel pad (433), the surface of the threaded tube (108) is installed with a sealing ring (41), one end of the air tube body (103) extends to the inside of the sealing ring (41), the inner wall of the sealing ring (41) is all provided with a sealing groove (42), the inside of the sealing groove (42) is provided with a silica gel pad (433).
8. The high pressure mating plug of claim 7, wherein: The surface of the silica gel pad (433) is installed with a rubber pad (432) for sealing treatment between the air tube body (103) and the threaded tube (108), the rubber pad (432) and the silica gel pad (433) are in sliding fit with the inner wall of the sealing groove (42) respectively, the inner wall of the rubber pad (432) is in contact with the surface of the air tube body (103), the inner wall of the sealing groove (42) is all installed with equidistant elastic devices (431), one end of the elastic device (431) is fixed with the surface of the silica gel pad (433).