High-pressure water gun assembly of self-service car washer

Abstract

The utility model provides a self-service car washer high-pressure water gun assembly which comprises a water gun pipe, a spray head is installed at the end of the water gun pipe, an abutting ring is fixed to the inner wall of the end of the water gun pipe, a conical air bag ring is inserted into the inner wall, located on one side of the abutting ring, of the water gun pipe, an external water pipe is inserted into the inner wall of the end of the conical air bag ring, and the end of the external water pipe is sleeved with an end cover. A pressing hole is formed in the outer wall of the end of the end cover in a penetrating mode, and internal threads are distributed on the inner wall of the end of the end cover. In the connecting and installing process of the high-pressure water gun assembly on the self-service car washing machine, the external water pipe is sequentially sleeved with the end cover and the conical air bag ring, the conical air bag ring is inserted into the inner wall of the water gun pipe, the end of the conical air bag ring is connected with the abutting ring in an abutting mode, and the short-diameter end of the conical air bag ring is inserted into the pressing and holding hole; the conical air bag ring is extruded by screwing the end cover pressing hole, the external water pipe and the water gun pipe are connected in a sealed mode through the conical air bag ring, and the connection sealing performance of the high-pressure water gun assembly is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of high-pressure water guns for car washing, in particular to a high-pressure water gun assembly for a self-service car washing machine. Background Art

[0002] A high-pressure water gun is a high-pressure cleaning machine, a common name for a high-pressure water jet cleaning machine. It is a machine that uses a power device to make a high-pressure plunger pump generate high-pressure water to wash the surface of an object; it can peel off and wash away dirt to achieve the purpose of cleaning the surface of an object. A high-pressure water gun is the main configuration of a self-service car washing machine, including: a high-pressure air compressor water pump, a water pipe, and a water gun; a high-pressure water gun of a self-service car washing machine: water is sucked in by a water pump, compressed, flows through a water pipe, and finally ejected through a water gun. The water gun controls the dispersion size of water by controlling the flow rate of the water outlet, thus forming a water jet, and washing the car by jetting water. Patent: CN 213727240U discloses a high-pressure water gun for a car washing machine, including a high-pressure water gun body, an input end of the high-pressure water gun body is connected to the top of the high-pressure water gun handle, the bottom of the high-pressure water gun handle is connected to the water inlet pipe, and the output end of the high-pressure water gun body is connected to the high-pressure water gun nozzle. A connecting component is fixedly installed at the bottom of the high-pressure water gun body by screws, and the connecting component is installed at one end of the high-pressure water gun nozzle, and a third slide groove is opened on the outside of the connecting component.

[0003] However, the structure of the high-pressure water gun assembly on the self-service car washing machine in the existing market is relatively simple. The water gun assembly cannot be quickly and conveniently connected to the water channel of the self-service car washing machine, and the flow of the high-pressure water gun cannot be conveniently and effectively adjusted. It is difficult to ensure the comfort and sealing of the high-pressure water gun during use. Therefore, we have made improvements to this and proposed a high-pressure water gun assembly for self-service car washing machines. Utility Model Content

[0004] The purpose of the utility model is to address the problems that the high-pressure water gun assembly on the current self-service car washing machine cannot be quickly and conveniently connected to the water channel of the self-service car washing machine, the flow of the high-pressure water gun cannot be conveniently and effectively adjusted, and the comfort and sealing of the high-pressure water gun are difficult to ensure during use.

[0005] In order to achieve the above-mentioned utility model purpose, the utility model provides the following technical solutions:

[0006] Self-service car washing machine high-pressure water gun assembly to improve the above problems.

[0007] The specific application is as follows:

[0008] It includes a water gun tube, a nozzle is installed on the end of the water gun tube, a resistance ring is fixed on the inner wall of the end of the water gun tube, a conical air bag ring is inserted on the inner wall of the water gun tube on the side of the resistance ring, an external water pipe is inserted on the inner wall of the end of the conical air bag ring, an end cover is sleeved on the end of the external water pipe, a pressure holding hole is opened on the outer wall of the end of the end cover, internal threads are distributed on the inner wall of the end of the end cover, external threads are opened on the outer wall of the end of the water gun tube, a flow regulating component is arranged on the inner wall of the end of the water gun tube, and a linked air injection sealing component is arranged on the outer wall of the water gun tube.

[0009] As a preferred technical solution of the present application, the flow regulating assembly includes a connecting ring fixed on the inner wall of the end portion of the water gun barrel, a guide ring is fixed on the middle inner wall of the connecting ring, a guide rod is inserted inside the guide ring, a sealing cone block is fixed on the end of the guide rod, and one end of the sealing cone block is inserted into the interior of the conical airbag ring, the guide rod is located between the sealing cone block and the guide ring and is provided with a tension spring on the outer wall, the water gun barrel is located on the inner wall of one side of the guide ring and is rotatably connected to a transmission shaft, one end of the transmission shaft is fixed with an L-shaped pressure rod, an adjustment handle is fixed to one end of the transmission shaft that passes through the outside of the water gun barrel, a ratchet is fixed on the middle outer wall of the transmission shaft, a locking spring is fixed on the outer wall of one side of the water gun barrel, and one end of the locking spring is inserted into the tooth groove of the ratchet.

[0010] As a preferred technical solution of the present application, the linked air injection sealing assembly includes a partition fixed on the inner wall of the end portion of the water gun barrel, a connecting shaft is rotatably installed on the middle outer wall of the partition, a turbine impeller is fixed at one end of the connecting shaft, and a first bevel gear is fixed at the other end of the connecting shaft, a turbine pump is fixed on the outer wall of one side of the water gun barrel, a mounting shaft is rotatably connected on the outer wall of the water gun barrel, the turbine pump and the mounting shaft are coaxially connected, a second bevel gear is fixed at the bottom end of the mounting shaft, the second bevel gear and the first bevel gear are meshingly connected, an air intake pipe and an air supply pipe are connected on the outer walls of both sides of the turbine pump, a gripping airbag is mounted on the outer wall of the water gun barrel, one end of the air supply pipe is connected to the air inlet end of the gripping airbag, a first pressure relief valve is connected on the outer wall of one side of the end of the gripping airbag, the air outlet end of the first pressure relief valve is connected to the air injection pipe, and one end of the air injection pipe is connected to the air inlet end of the conical airbag ring.

[0011] As a preferred technical solution of the present application, an air filter is installed through the air intake end of the air intake pipe.

[0012] As a preferred technical solution of the present application, an air injection head is connected through the outer wall of the end of the conical airbag ring, and a quick connector is installed at one end of the air injection pipe.

[0013] As a preferred technical solution of the present application, a bearing is embedded and installed at the rotating connection between the transmission shaft and the water gun tube, and shaft seals are provided on both sides of the bearing.

[0014] As a preferred technical solution of the present application, a second pressure relief valve is installed on the outer wall of the end of the gas injection pipe.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] In the scheme of this application:

[0017] 1. During the connection and installation process of the high-pressure water gun assembly on the self-service car washing machine, the end cap and the conical air bag ring are sequentially mounted on the external water pipe, the conical air bag ring is inserted into the inner wall of the water gun tube, the end of the conical air bag ring is in contact with the abutment ring, the short diameter end of the conical air bag ring is inserted into the pressure holding hole, the end cap is tightened to press the conical air bag ring, and the external water pipe and the water gun tube are sealed through the conical air bag ring, so that the high-pressure water gun assembly can be quickly and conveniently connected to the self-service car washing machine for water connection, and the sealing of the connection of the high-pressure water gun assembly can be ensured;

[0018] 2. Through the setting of the flow regulating component, the transmission shaft and the L-shaped pressure rod are driven to rotate by the adjusting handle, and the L-shaped pressure rod presses the end of the guide rod, thereby driving the guide rod to move horizontally along the guide ring, driving the sealing cone block to feed and move in the conical airbag ring, and stretching the tension spring during the process. In the later stage, during the resetting process of the adjusting handle, the sealing cone block is driven to reset under the action of the tension spring, thereby realizing the adjustment of the gap between the sealing cone block and the conical airbag ring. During the rotation of the transmission shaft, the ratchet wheel is driven to rotate, and the engaging spring sheet on one side is engaged step by step into the tooth groove of the ratchet wheel, realizing the braking of the rotation of the transmission shaft, realizing the step-by-step adjustment of the gap between the sealing cone block and the conical airbag ring, and realizing the gradual adjustment of the flow of the high-pressure water gun;

[0019] 3. Through the setting of the linked air injection sealing assembly, the water flowing in the water gun tube will impact the turbine impeller, thereby driving the connecting shaft and the first bevel gear to rotate, and the first bevel gear and the second bevel gear cooperate to drive the mounting shaft and the turbine pump to rotate. The turbine pump inhales air and inputs the compressed air into the gripping airbag through the air pipe. The gripping airbag expands and covers the outside of the water gun tube, which improves the comfort of gripping during the use of the high-pressure water gun assembly. When the air pressure in the gripping airbag reaches the threshold of the first pressure relief valve, the excess compressed air is input into the conical airbag ring to ensure the sealing of the high-pressure water gun connection. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A schematic diagram of the overall three-dimensional structure of the high-pressure water gun assembly of the self-service car washing machine provided in this application;

[0021] Figure 2 A schematic diagram of a partial three-dimensional cross-section structure of a high-pressure water gun assembly of a self-service car washing machine provided in this application;

[0022] Figure 3 This is an enlarged view of the structure of area A in the high-pressure water gun assembly of the self-service car washing machine provided in this application;

[0023] Figure 4 A schematic cross-sectional structure diagram of a linkage air injection seal assembly in a high-pressure water gun assembly of a self-service car washing machine provided in this application;

[0024] Figure 5 This is an enlarged structural diagram of area B in the high-pressure water gun assembly of the self-service car washing machine provided in this application.

[0025] Indicated in the figure:

[0026] 1. Water gun tube; 2. Nozzle; 3. Resistance ring; 4. Conical airbag ring; 5. External water pipe; 6. End cover; 7. Pressure holding hole; 8. Internal thread; 9. External thread; 10. Flow regulating assembly; 11. Linkage gas injection sealing assembly; 12. Gas injection head; 13. Quick connector; 14. Air filter element; 15. Second pressure relief valve;

[0027] 101, connecting ring; 102, guide ring; 103, guide rod; 104, sealing cone block; 105, tension spring; 106, transmission shaft; 107, L-shaped pressure rod; 108, ratchet; 109, snap-fit ​​spring; 1010, adjustment handle;

[0028] 111. partition; 112. connecting shaft; 113. turbine impeller; 114. first bevel gear; 115. turbine pump; 116. mounting shaft; 117. second bevel gear; 118. air intake pipe; 119. air delivery pipe; 1110. gripping airbag; 1111. first pressure relief valve; 1112. air injection pipe. DETAILED DESCRIPTION

[0029] To make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be described clearly and completely in conjunction with the accompanying drawings. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments.

[0030] Therefore, the following detailed description of the embodiments of the present invention is not intended to limit the scope of the present invention to be protected, but merely represents some embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.

[0032] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0033] In the description of the present utility model, it should be noted that the terms "upper", "lower", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, or the orientation or position relationship commonly understood by those skilled in the art. Such terms are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0034] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 The present embodiment proposes a high-pressure water gun assembly for a self-service car washing machine, comprising a water gun tube 1, a nozzle 2 is installed at the end of the water gun tube 1, a resistance ring 3 is fixed on the inner wall of the end of the water gun tube 1, a conical air bag ring 4 is inserted on the inner wall of the water gun tube 1 on one side of the resistance ring 3, an external water pipe 5 is inserted on the inner wall of the end of the conical air bag ring 4, an end cover 6 is sleeved on the end of the external water pipe 5, a pressure holding hole 7 is opened through the outer wall of the end of the end cover 6, internal threads 8 are distributed on the inner wall of the end of the end cover 6, an external thread 9 is opened on the outer wall of the end of the water gun tube 1, a flow regulating component 10 is arranged on the inner wall of the end of the water gun tube 1, and a linkage air injection sealing component 11 is arranged on the outer wall of the water gun tube 1. During the connection and installation process of the water gun assembly on the self-service car washing machine, the end cover 6 and the conical air bag ring 4 are sequentially installed on the external water pipe 5 of the self-service car washing machine, and then the conical air bag ring 4 is inserted into the inner wall of the end of the water gun tube 1. The end of the conical air bag ring 4 is in contact with the abutment ring 3, and the short diameter end of the conical air bag ring 4 is inserted into the holding hole 7. With the cooperation of the internal thread 8 and the external thread 9, the end cover 6 is tightened on the end of the water gun tube 1 so that the holding hole 7 squeezes the conical air bag ring 4. The external water pipe 5 and the water gun tube 1 are sealed through the conical air bag ring 4, so that the high-pressure water gun assembly can be quickly and conveniently connected to the water channel of the self-service car washing machine, and the sealing of the connection of the high-pressure water gun assembly can be guaranteed.

[0035] As a preferred embodiment, on the basis of the above-mentioned method, further, the flow regulating assembly 10 includes a connecting ring 101 fixed on the inner wall of the end of the water gun tube 1, a guide ring 102 is fixed on the middle inner wall of the connecting ring 101, a guide rod 103 is inserted inside the guide ring 102, a sealing cone block 104 is fixed at the end of the guide rod 103, and one end of the sealing cone block 104 is inserted into the inside of the conical airbag ring 4, and a tension spring 105 is set on the outer wall of the guide rod 103 between the sealing cone block 104 and the guide ring 102, and the water gun tube 1 is located on the inner wall of one side of the guide ring 102 and rotates. A transmission shaft 106 is connected, one end of which is fixed with an L-shaped pressure rod 107, one end of which passes through the outside of the water gun tube 1 and is fixed with an adjustment handle 1010, a ratchet 108 is fixed on the middle outer wall of the transmission shaft 106, a snap-fit ​​spring piece 109 is fixed on the outer wall of one side of the water gun tube 1, and one end of the snap-fit ​​spring piece 109 is inserted into the tooth groove of the ratchet 108. During the use of the high-pressure water gun assembly, the water pumped out by the self-service car washing machine is input into the water gun tube 1 through the external water pipe 5 and sprayed at the nozzle 2. The water flows in the water gun tube 1. In the embodiment, the sealing cone block 104 is inserted into the conical inner wall of the conical airbag ring 4. The gap between the sealing cone block 104 and the conical airbag ring 4 determines the flow rate of the water in the water gun tube 1. During the process of washing the car with the high-pressure water gun assembly pump, the transmission shaft 106 can be rotated by adjusting the handle 1010, thereby driving the L-shaped pressure rod 107 to rotate in the water gun tube 1. The L-shaped pressure rod 107 presses the end of the guide rod 103, thereby driving the guide rod 103 to move horizontally along the guide ring 102, and driving the sealing cone block 104 to move in the conical airbag ring 4. During the process, the tension spring 10 is stretched. 5. In the later stage of adjustment, during the process of resetting the transmission shaft 106 driven by 1010, the sealing cone block 104 is reset under the action of the tension spring 105, thereby adjusting the gap between the sealing cone block 104 and the conical airbag ring 4, and realizing the control and adjustment of the flow rate of the high-pressure water gun. During the rotation of the above-mentioned transmission shaft 106, the ratchet 108 is driven to rotate, and the engaging spring piece 109 on one side is gradually engaged with the tooth groove of the ratchet 108, so as to realize the braking of the rotation of the transmission shaft 106, realize the step-by-step adjustment of the gap between the sealing cone block 104 and the conical airbag ring 4, and realize the gradual adjustment of the flow rate of the high-pressure water gun.

[0036] As a preferred embodiment, on the basis of the above-mentioned method, further, the linked gas injection sealing assembly 11 includes a partition 111 fixed on the inner wall of the end of the water gun tube 1, a connecting shaft 112 is rotatably mounted on the middle outer wall of the partition 111, a turbine impeller 113 is fixed to one end of the connecting shaft 112, a first bevel gear 114 is fixed to the other end of the connecting shaft 112, a turbine pump 115 is fixed to the outer wall of one side of the water gun tube 1, and a mounting shaft 116 is rotatably connected to the outer wall of the water gun tube 1, and the turbine pump 115 is fixed to the outer wall of the water gun tube 1. 15 is coaxially connected with the mounting shaft 116, a second bevel gear 117 is fixed to the bottom end of the mounting shaft 116, the second bevel gear 117 is meshed with the first bevel gear 114, an air intake pipe 118 and an air delivery pipe 119 are connected on the outer walls of both sides of the turbine pump 115, a gripping airbag 1110 is mounted on the outer wall of the water gun tube 1, one end of the air delivery pipe 119 is connected to the air inlet end of the gripping airbag 1110, a first pressure relief valve 1111 is connected on the outer wall of one end of the gripping airbag 1110, and the first pressure relief valve 1111 is connected to the outer wall of the first pressure relief valve 1111. The air outlet end of 111 is connected to an air injection pipe 1112, and one end of the air injection pipe 1112 is connected to the air inlet end of the conical airbag ring 4. During the use of the above-mentioned high-pressure water gun assembly, the water will impact the turbine impeller 113 during the circulation in the water gun tube 1, thereby driving the connecting shaft 112 and the first bevel gear 114 to rotate, and the first bevel gear 114 and the second bevel gear 117 drive the installation shaft 116 and the turbine pump 115 to rotate. The turbine pump 115 works by sucking air. Tube 118 is used for inhalation, and compressed air is input into the gripping airbag 1110 through the air supply pipe 119. The gripping airbag 1110 expands and covers the outside of the water gun tube 1, thereby improving the comfort of gripping the high-pressure water gun assembly during use. When the air pressure in the gripping airbag 1110 reaches the threshold of the first pressure relief valve 1111, excess compressed air is input into the conical airbag ring 4 through the air injection pipe 1112, so that the conical airbag ring 4 expands in the water gun tube 1, thereby ensuring the sealing of the high-pressure water gun connection.

[0037] As a preferred embodiment, on the basis of the above-mentioned method, further, an air filter element 14 is installed through the air intake end of the air intake pipe 118, and the air intake of the turbine pump 115 is filtered through the air filter element 14.

[0038] As a preferred embodiment, on the basis of the above-mentioned method, further, an air injection head 12 is connected through the outer wall of the end of the conical airbag ring 4, and a quick connector 13 is installed at one end of the air injection pipe 1112. The air injection pipe 1112 and the conical airbag ring 4 can be conveniently connected through the cooperation of the air injection head 12 and the quick connector 13, which facilitates the assembly of the high-pressure water gun.

[0039] As a preferred embodiment, on the basis of the above-mentioned method, further, a bearing is embedded and installed at the rotating connection between the transmission shaft 106 and the water gun tube 1, and shaft seals are provided on both sides of the bearing to ensure the sealing of the connection between the transmission shaft 106 and the water gun tube 1.

[0040] As a preferred technical solution of the present application, a second pressure relief valve 15 is installed on the outer wall of the end of the gas injection pipe 1112. During continuous gas injection, excess air is discharged through the second pressure relief valve 15 to ensure the operation of the linked gas injection sealing assembly 11.

[0041] Specifically, when the high-pressure water gun assembly of the self-service car washing machine is working / in use: during the connection and installation process of the high-pressure water gun assembly on the self-service car washing machine, the end cap 6 and the conical air bag ring 4 are sequentially mounted on the external water pipe 5 of the self-service car washing machine, and then the conical air bag ring 4 is inserted into the inner wall of the end of the water gun tube 1, the end of the conical air bag ring 4 is in contact with the abutment ring 3, and the short diameter end of the conical air bag ring 4 is inserted into the holding hole 7, and the end cap 6 is tightened at the end of the water gun tube 1 with the cooperation of the internal thread 8 and the external thread 9, so that the holding hole 7 squeezes the conical air bag ring 4, and the external water pipe 5 and the water gun tube 1 are sealed through the conical air bag ring 4, and the water pumped out by the self-service car washing machine is input into the water gun through the external water pipe 5. The water flows into the water gun tube 1 and is sprayed out at the nozzle 2. During the circulation of water in the water gun tube 1, the sealing cone block 104 is plugged into the conical inner wall of the conical air bag ring 4. The gap between the sealing cone block 104 and the conical air bag ring 4 determines the flow rate of water in the water gun tube 1. During the process of washing the car with water from the high-pressure water gun assembly pump, the transmission shaft 106 can be driven to rotate by adjusting the handle 1010, thereby driving the L-shaped pressure rod 107 to rotate in the water gun tube 1. The L-shaped pressure rod 107 presses and holds the end of the guide rod 103, thereby driving the guide rod 103 to move horizontally along the guide ring 102, and driving the sealing cone block 104 to move in the conical air bag ring 4. During the process, the tension spring 105 is stretched, and the handle 1010 is adjusted later. During the process of driving the transmission shaft 106 to reset, the sealing cone block 104 is driven to reset under the action of the tension spring 105, so as to adjust the gap between the sealing cone block 104 and the conical airbag ring 4, and realize the control and adjustment of the flow rate of the high-pressure water gun. During the rotation of the above-mentioned transmission shaft 106, the ratchet 108 is driven to rotate, and the engaging spring pieces 109 on one side are gradually engaged with the tooth grooves of the ratchet 108 to brake the rotation of the transmission shaft 106, and realize the step-by-step adjustment of the gap between the sealing cone block 104 and the conical airbag ring 4, and realize the gradual adjustment of the flow rate of the high-pressure water gun. During the circulation of water in the water gun tube 1, the water will impact the turbine impeller 113, thereby driving the connecting shaft 112 and the first bevel gear 114 to rotate. Rotate, and drive the installation shaft 116 and the turbine pump 115 to rotate under the cooperative transmission of the first bevel gear 114 and the second bevel gear 117. The turbine pump 115 inhales air through the suction pipe 118, and the compressed air is input into the gripping airbag 1110 through the air supply pipe 119. The gripping airbag 1110 expands and covers the outside of the water gun tube 1, thereby improving the comfort of gripping during the use of the high-pressure water gun assembly. When the air pressure in the gripping airbag 1110 reaches the threshold value of the first pressure relief valve 1111, the excess compressed air is input into the conical airbag ring 4 through the air injection pipe 1112, so that the conical airbag ring 4 expands in the water gun tube 1, thereby ensuring the sealing of the high-pressure water gun connection.

[0042] The above embodiments are only used to illustrate the present invention and are not intended to limit the technical solutions described in the present invention. Although the present invention has been described in detail with reference to the above embodiments, the present invention is not limited to the above specific implementation methods. Therefore, any modification or equivalent replacement of the present invention; and all technical solutions and improvements thereof that do not depart from the spirit and scope of the present invention are included in the scope of the claims of the present invention.

Claims

1. A high-pressure water gun assembly for a self-service car washing machine, characterized in that: The invention comprises a water gun tube (1), wherein a nozzle (2) is installed at the end of the water gun tube (1), a resistance ring (3) is fixed on the inner wall of the end of the water gun tube (1), a conical air bag ring (4) is inserted on the inner wall of the water gun tube (1) on one side of the resistance ring (3), an external water pipe (5) is inserted on the inner wall of the end of the conical air bag ring (4), an end cover (6) is sleeved on the end of the external water pipe (5), a holding hole (7) is provided through the outer wall of the end of the end cover (6), internal threads (8) are distributed on the inner wall of the end of the end cover (6), an external thread (9) is provided on the outer wall of the end of the water gun tube (1), a flow regulating component (10) is provided on the inner wall of the end of the water gun tube (1), and a linkage air injection sealing component (11) is provided on the outer wall of the water gun tube (1).

2. The high-pressure water gun assembly of the self-service car washing machine according to claim 1, characterized in that: The flow regulating assembly (10) comprises a connecting ring (101) fixed on the inner wall of the end of the water gun tube (1), a guide ring (102) is fixed on the inner wall of the middle part of the connecting ring (101), a guide rod (103) is inserted inside the guide ring (102), a sealing cone block (104) is fixed at the end of the guide rod (103), and one end of the sealing cone block (104) is inserted into the inside of the conical airbag ring (4), and a tension spring (104) is sleeved on the outer wall of the guide rod (103) located between the sealing cone block (104) and the guide ring (102). 5), the water gun tube (1) is rotatably connected to a transmission shaft (106) on the inner wall of one side of the guide ring (102), an L-shaped pressure rod (107) is fixed to one end of the transmission shaft (106), an adjustment handle (1010) is fixed to one end of the transmission shaft (106) that passes through the outside of the water gun tube (1), a ratchet (108) is fixedly mounted on the middle outer wall of the transmission shaft (106), a locking spring sheet (109) is fixed on the outer wall of one side of the water gun tube (1), and one end of the locking spring sheet (109) is inserted into the tooth groove of the ratchet (108).

3. The high-pressure water gun assembly of the self-service car washing machine according to claim 2, characterized in that: The linked air injection seal assembly (11) comprises a partition (111) fixed on the inner wall of the end of the water gun tube (1); a connecting shaft (112) is rotatably mounted on the middle outer wall of the partition (111); a turbine impeller (113) is fixed to one end of the connecting shaft (112); a first bevel gear (114) is fixed to the other end of the connecting shaft (112); a turbine pump (115) is fixed to the outer wall of one side of the water gun tube (1); a mounting shaft (116) is rotatably connected to the outer wall of the water gun tube (1); the turbine pump (115) and the mounting shaft (116) are coaxially connected; a second bevel gear (114) is fixed to the bottom end of the mounting shaft (116). The second bevel gear (117) is meshedly connected with the first bevel gear (114); the outer walls on both sides of the turbine pump (115) are connected with an air intake pipe (118) and an air supply pipe (119); the outer wall of the water gun tube (1) is provided with a gripping air bag (1110); one end of the air supply pipe (119) is connected with an air inlet end of the gripping air bag (1110); the outer wall on one side of the end of the gripping air bag (1110) is connected with a first pressure relief valve (1111); the air outlet end of the first pressure relief valve (1111) is connected with an air injection pipe (1112), and one end of the air injection pipe (1112) is connected with the air inlet end of the conical air bag ring (4).

4. The high-pressure water gun assembly of the self-service car washing machine according to claim 3, characterized in that: An air filter element (14) is installed through the air intake end of the air intake pipe (118).

5. The high-pressure water gun assembly of the self-service car washing machine according to claim 3, characterized in that: An air injection head (12) is connected through the outer wall of the end of the conical airbag ring (4), and a quick connector (13) is installed at one end of the air injection pipe (1112).

6. The high-pressure water gun assembly of the self-service car washing machine according to claim 2, characterized in that: A bearing is embedded and installed at the rotation connection between the transmission shaft (106) and the water gun tube (1), and shaft seals are arranged on both sides of the bearing.

7. The high-pressure water gun assembly of the self-service car washing machine according to claim 3, characterized in that: A second pressure relief valve (15) is installed on the outer wall of the end of the gas injection pipe (1112).

Images