First-aid bracelet with high liquid medicine sealing performance

Abstract

The utility model relates to the technical field of first-aid bracelets, in particular to a first-aid bracelet with high liquid medicine sealing performance. In the using process of a traditional first-aid product, the size of the first-aid product is large, and an existing asthma first-aid product is single in function, so that the problems that the first-aid product is convenient to carry and practical to operate are inconvenient to solve; the utility model provides a first-aid bracelet with high liquid medicine sealing performance. The first-aid bracelet comprises an upper shell, a lower shell, a control assembly, an anti-touch assembly, a medicine mist assembly, a wearing assembly, a monitoring assembly and a mounting assembly, compared with a traditional first-aid product in the using process, the first-aid bracelet has the advantages that the anti-touch control structure and the wearing structure are arranged, the first-aid bracelet is worn on the wrist through the wearing structure, when a user uses the first-aid bracelet, the medicine spraying opening is aligned with the mouth and nose of the user, then the anti-touch structure is opened, and the first-aid bracelet is worn on the wrist through the wearing structure; when the medicine is sprayed out, the control structure for controlling the medicine mist structure is pressed to be started, and then the medicine is atomized and sprayed out through the medicine mist structure, so that the practical performance of the product can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of first aid wristbands, in particular to a first aid wristband with strong liquid medicine sealing performance. Background Art

[0002] With the development of the times, the emergence of smart bracelets can meet the needs of people of different ages due to their diverse functions. With the accelerated pace of modern life and the increase in work and life pressure, most acute diseases are suffered by elderly patients, but now they are gradually getting younger, and there are more and more demand scenarios. The utility model relates to the technical field of first aid bracelets. With the development of society, the first aid bracelet industry is becoming more and more developed, and first aid bracelets are constantly being improved to meet the needs of production. Most first aid bracelets have the function of emergency first aid, but the functions of convenient carrying and practical operation are not yet complete, and are inconvenient to operate and use. The first aid products for emergency asthma patients on the market are large in size, which are not easy for patients to carry conveniently. In addition, the existing asthma first aid products have a single function and are not easy for patients to operate and use, which affects the practical performance of the product, making it inconvenient to solve the problem of convenient carrying and practical operation. Utility Model Content

[0003] In order to overcome the problem of emergency bracelets in use, the first aid products for emergency asthma patients on the market are large in size and not easy for patients to carry conveniently. In addition, the existing asthma first aid products have single functions and are not easy for patients to operate and use, which affects the practical performance of the products and makes it inconvenient to solve the problems of convenient carrying and practical operation.

[0004] The technical solution of the utility model is: a first aid bracelet with strong sealing performance for drug liquid, comprising an upper shell, a lower shell, a control component, an anti-touch component, a drug mist component, a wearing component, a monitoring component and an installation component; a control component is arranged above the upper shell, an anti-touch component is arranged above the control component, a lower shell is arranged below the upper shell, a drug mist component is arranged inside the lower shell, a wearing component is arranged on the inner wall of the upper shell, a monitoring component is arranged on the inner wall of the wearing component, and an installation component is arranged inside the lower shell.

[0005] Preferably, first, the user wears the first aid bracelet on the wrist through the wearing component, and monitors the body's pulse wave and blood oxygen saturation and other data through the monitoring component. When the user uses the first aid bracelet, the spray port is aimed at his or her mouth and nose, and then the anti-touch component is turned on, and then the control component of the medicine mist component is pressed to turn on. Subsequently, the medicine is atomized and sprayed through the medicine mist component. At the same time, the medicine mist component has the advantages of fine and uniform medicine particles, small amount of medicine used, small amount of medicine residue, long service life, and convenient use at home and outside.

[0006] Preferably, the control component includes a first electronic control button, a second electronic control button and a circuit board; the circuit board is arranged inside the lower shell, the first electronic control button is arranged above the upper shell, the first electronic control button is connected to the circuit board wire, the second electronic control button is arranged above the upper shell, and the second electronic control button is connected to the circuit board wire; the opening and closing of the spray component can be controlled by the first electronic control button, and the opening and closing of the wearing component can be controlled by the second electronic control button.

[0007] Preferably, the anti-touch component includes a mounting block, a mounting hole, a spiral spring, a mounting shaft and an anti-touch shell; a mounting block is arranged above the upper shell body, a mounting hole is opened on the side wall of the mounting block, a mounting shaft is arranged inside the mounting hole, an anti-touch shell is arranged outside the mounting shaft, the anti-touch shell is rotatably connected to the mounting block through the mounting shaft, and spiral springs are arranged at both ends of the mounting shaft, one end of the spiral spring is fixedly connected to the inner wall of the mounting hole, and the other end of the spiral spring is fixedly connected to one end of the mounting shaft; first, one side of the anti-touch shell is lifted with a finger, and then the anti-touch shell is rotated to open through the mounting shaft, and then the user can press the electric control button, and when the electric control button is closed, according to the rebound force generated by the elastic deformation of the spiral spring, the spiral spring drives one side of the anti-touch shell to rotate and reset to close through the mounting shaft, and the anti-touch shell can prevent accidental touching of the control component.

[0008] Preferably, the medicine mist component includes a medicine bag, a sealing belt, a compression atomizer and a micro-mesh atomizing nozzle; a medicine bag is arranged inside the lower shell, a sealing belt is arranged on the side wall of the medicine bag, a compression atomizer is arranged on one side of the medicine bag, and a micro-mesh atomizing nozzle is arranged on one side of the compression atomizer; when the user uses the first aid bracelet, first, aim the medicine spray port at his or her mouth and nose, then turn on the anti-touch component, and then press the first electric control button to turn on the compression atomizer, and then the first electric control button can turn on the compression atomizer, and then the medicine is sprayed out by the micro-mesh atomizing nozzle, and the micro-mesh atomizing nozzle has the advantages of fine and uniform medicine particles, small amount of medicine used, small amount of medicine residue, long service life, and convenient use at home and outside.

[0009] Preferably, the wearing component includes an airbag, an electrically controlled micro air pump, an electrically controlled valve and an inflation tube; an airbag is arranged on the inner wall of the upper shell, an electrically controlled micro air pump is arranged on the inner bottom wall of the airbag, an inflation tube is arranged below the electrically controlled micro air pump, and an electrically controlled valve is arranged on the inner wall of the inflation tube; when the user needs to wear the first aid bracelet, first, the first aid bracelet is put on his wrist, and then, by starting the second electrically controlled button, the electrically controlled micro air pump can be controlled to turn on, and then, the electrically controlled micro air pump draws outside air into the interior of the airbag through the inflation tube, and the airbag expands immediately, and when the inner wall of the airbag comes into contact with and fits the wrist, the wearing of the first aid bracelet is completed, and the comfort performance of wearing the bracelet can be improved by the airbag, and by adjusting the size of the airbag, it can be provided for people with different wrist thicknesses, thereby achieving the purpose of convenience and practicality.

[0010] Preferably, the monitoring component includes a flashing light and a physiological parameter sensor; a physiological parameter sensor is provided on the inner wall of the airbag, and a flashing light is provided on the side wall of the bracelet body, and two groups of flashing lights are provided; when the first aid bracelet is worn, the physiological parameter sensor fits against the wrist of the user, and the values ​​monitored by the physiological parameter sensor are transmitted to the microprocessor, and during the patient's use, data such as pulse wave and blood oxygen saturation can be measured, and when the warning threshold of asthma attack is exceeded, a red light prompt is given by the flashing light.

[0011] Preferably, the mounting assembly includes a positioning rod, a positioning hole, a first sealing ring and a second sealing ring; the first sealing ring is arranged inside the upper shell, the second sealing ring is arranged below the first sealing ring, the first sealing ring is provided with a positioning hole inside, there are multiple groups of positioning holes, another positioning hole is provided inside the second sealing ring, the lower shell is provided with a positioning rod, there are multiple groups of positioning rods, and the positioning rods are snap-connected with the positioning holes; the upper shell and the lower shell are snap-connected and fixed by snap-fitting and assembling the multiple groups of positioning rods and the multiple groups of positioning holes, and the sealing performance of the first aid bracelet can be improved by the first sealing ring and the second sealing ring. When the first aid bracelet needs to be replenished with medicine, first, it is disassembled from the connecting gap between the upper shell and the lower shell, and then the medicine inside the medicine bag can be replenished.

[0012] Beneficial effects of the utility model:

[0013] 1. Compared with traditional first aid products, the first aid products for emergency asthma patients on the market are large in size and not easy for patients to carry conveniently. In addition, the existing asthma first aid products have single functions and are not easy for patients to operate and use, which affects the practical performance of the products, and thus it is inconvenient to solve the problem of convenient carrying and practical operation. The first aid bracelet is provided with an anti-touch control structure and a wearing structure. First, the user wears the first aid bracelet on the wrist through the wearing structure, and monitors the pulse wave and blood oxygen saturation of the body through the monitoring structure. When the user uses the first aid bracelet, the spray port is aimed at his mouth and nose, and then the anti-touch structure is turned on, and then the control structure of the control medicine mist structure is pressed to turn on. Subsequently, the medicine is sprayed out through the medicine mist structure. At the same time, the medicine structure has the advantages of fine and uniform medicine particles, small amount of medicine, small amount of medicine residue, long service life, and convenient use at home and outside.

[0014] 2. When the user needs to wear the emergency bracelet, first, put the emergency bracelet on his wrist, then, by starting the second electronic control button, the electronically controlled micro air pump can be controlled to start, and then, the electronically controlled micro air pump draws outside air into the airbag through the inflation tube, and the airbag expands immediately. When the inner wall of the airbag contacts and fits the wrist, the wearing of the emergency bracelet is completed. In addition, the airbag can improve the comfort of wearing the bracelet, and by adjusting the size of the airbag, it can be used by people with different wrist thicknesses, thereby achieving the purpose of convenience and practicality;

[0015] 3. When the first aid bracelet is worn, the physiological parameter sensor fits the user's wrist, and the values ​​monitored by the physiological parameter sensor are transmitted to the microprocessor. In addition, during the patient's use, data such as pulse wave and blood oxygen saturation can be measured. When the warning threshold of asthma attack is exceeded, a red light prompt is given by a flashing light. When the user uses the first aid bracelet, first, aim the spray nozzle at his or her mouth and nose, and then lift one side of the anti-touch shell with his or her fingers. The anti-touch shell is rotated and opened by the mounting shaft, and then the first electric control button is pressed to open. Then, the first electric control button can turn on the compression atomizer. Subsequently, the medicine is atomized and sprayed through the micro-mesh atomizing nozzle. In addition, the micro-mesh atomizing nozzle has the advantages of fine and uniform drug particles, small dosage, small drug residue, long service life, and convenient use at home and outside. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 Shown is a first stereoscopic structural schematic diagram of a first aid wristband with strong liquid sealing performance of the utility model;

[0017] Figure 2Shown is a schematic diagram of the first partial three-dimensional structure of a first aid wristband with strong liquid sealing performance of the utility model;

[0018] Figure 3 Shown is a schematic diagram of the second partial three-dimensional structure of a first aid wristband with strong liquid sealing performance of the utility model;

[0019] Figure 4 Shown is a schematic diagram of the third partial three-dimensional structure of a first aid wristband with strong liquid sealing performance of the utility model;

[0020] Figure 5 Shown is a schematic diagram of the fourth partial three-dimensional structure of a first aid wristband with strong liquid sealing performance of the utility model;

[0021] Figure 6 Shown is a schematic diagram of the fifth partial three-dimensional structure of a first aid bracelet with strong liquid sealing performance of the utility model;

[0022] Explanation of the accompanying drawings: 1. control component; 2. anti-touch component; 3. medicine mist component; 4. wearing component; 5. monitoring component; 6. installation component; 7. upper shell; 8. lower shell; 101. first electric control button; 102. second electric control button; 103. circuit board; 201. mounting block; 202. mounting hole; 203. volute spring; 204. mounting shaft; 205. anti-touch shell; 301. medicine capsule; 302. sealing belt; 303. compression atomizer; 304. micro-mesh atomizing nozzle; 401. air bag; 402. electrically controlled micro air pump; 403. electrically controlled valve; 404. inflation tube; 501. flashing light; 502. physiological parameter sensor; 601. positioning rod; 602. positioning hole; 603. first sealing ring; 604. second sealing ring. DETAILED DESCRIPTION

[0023] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0024] See also Figure 1 The utility model provides an embodiment: a first aid bracelet with strong sealing performance for drug liquid, comprising an upper shell 7, a lower shell 8, a control component 1, an anti-touch component 2, a drug mist component 3, a wearing component 4, a monitoring component 5 and an installation component 6; the control component 1 is arranged above the upper shell 7, the anti-touch component 2 is arranged above the control component 1, the lower shell 8 is arranged below the upper shell 7, the drug mist component 3 is arranged inside the lower shell 8, the wearing component 4 is arranged on the inner wall of the upper shell 7, the monitoring component 5 is arranged on the inner wall of the wearing component 4, and the installation component 6 is arranged inside the lower shell 8.

[0025] See also Figure 2The control component 1 includes a first electric control button 101, a second electric control button 102 and a circuit board 103; the circuit board 103 is arranged inside the lower shell 8, the first electric control button 101 is arranged above the upper shell 7, the first electric control button 101 is connected to the circuit board 103 by wire, the second electric control button 102 is arranged above the upper shell 7, and the second electric control button 102 is connected to the circuit board 103 by wire; the first electric control button 101 can control the opening and closing of the spraying component, and the second electric control button 102 can control the opening and closing of the wearing component; the anti-touch component 2 includes a mounting block 201, a mounting hole 202, a volute spring 203, Mounting shaft 204 and anti-touch shell 205; a mounting block 201 is arranged above the upper shell 7, a mounting hole 202 is opened on the side wall of the mounting block 201, a mounting shaft 204 is arranged inside the mounting hole 202, an anti-touch shell 205 is arranged outside the mounting shaft 204, the anti-touch shell 205 is rotatably connected with the mounting block 201 through the mounting shaft 204, and both ends of the mounting shaft 204 are provided with a spiral spring 203, one end of the spiral spring 203 is fixedly connected to the inner wall of the mounting hole 202, and the other end of the spiral spring 203 is fixedly connected to one end of the mounting shaft 204; first, by lifting one side of the anti-touch shell 205 with your fingers, and then, the anti-touch The shell 205 is rotated and opened by the mounting shaft 204, and then the user can press the electric control button. When the electric control button is closed, according to the rebound force generated by the elastic deformation of the spiral spring 203, the spiral spring 203 drives one side of the anti-touch shell 205 to rotate and reset to close through the mounting shaft 204, and the anti-touch shell 205 can prevent the control component 1 from being accidentally touched; the medicine mist component 3 includes a medicine bag 301, a sealing belt 302, a compression atomizer 303 and a micro-mesh atomizing nozzle 304; the lower shell 8 is provided with a medicine bag 301, a sealing belt 302 is provided on the side wall of the medicine bag 301, and the medicine bag 301 is provided with a sealing belt 302. 1 is provided with a compression atomizer 303 on one side, and a micro-mesh atomizing nozzle 304 is provided on one side of the compression atomizer 303; when the user uses the first aid bracelet, first, the spray port is aimed at his or her own mouth and nose, and then the anti-touch component 2 is turned on, and then the first electric control button 101 is pressed to turn on, and then the first electric control button 101 can turn on the compression atomizer 303, and then the medicine is atomized and sprayed through the micro-mesh atomizing nozzle 304, and the micro-mesh atomizing nozzle 304 has the advantages of fine and uniform drug particles, small dosage, small drug residue, long service life, and convenient use at home and outside.

[0026] See also Figure 3-6In this embodiment, the wearing component 4 includes an airbag 401, an electrically controlled micro air pump 402, an electrically controlled valve 403 and an inflation tube 404; the airbag 401 is arranged on the inner wall of the upper shell 7, the electrically controlled micro air pump 402 is arranged on the inner bottom wall of the airbag 401, the inflation tube 404 is arranged below the electrically controlled micro air pump 402, and the electrically controlled valve 403 is arranged on the inner wall of the inflation tube 404; when the user needs to wear the first aid bracelet, first, put the first aid bracelet on his wrist, and then, by starting the second electrically controlled button 102, the electrically controlled micro air pump 402 can be controlled to start, and then the electrically controlled micro air pump 402 is inflated through the inflation tube 404. The outside air is drawn into the airbag 401, and the airbag 401 expands immediately. When the inner wall of the airbag 401 comes into contact with the wrist, the wearing of the first aid bracelet is completed. In addition, the comfort of wearing the bracelet can be improved by the airbag 401. In addition, by adjusting the size of the airbag 401, it can be used by people with different wrist thicknesses, thereby achieving the purpose of convenience and practicality. The monitoring component 5 includes a flashing light 501 and a physiological parameter sensor 502. The physiological parameter sensor 502 is arranged on the inner wall of the airbag 401, and the flashing light 501 is arranged on the side wall of the bracelet body. The flashing light 501 is arranged in two groups. When wearing the first aid bracelet, When the wristband is used, the physiological parameter sensor 502 fits the user's wrist, and the values ​​monitored by the physiological parameter sensor 502 are transmitted to the microprocessor. In addition, during the patient's use, the pulse wave and blood oxygen saturation data can be measured. When the warning threshold of asthma attack is exceeded, a red light prompt is given through the flashing light 501; the mounting assembly 6 includes a positioning rod 601, a positioning hole 602, a first sealing ring 603 and a second sealing ring 604; the first sealing ring 603 is arranged inside the upper shell 7, and the second sealing ring 604 is arranged below the first sealing ring 603; the first sealing ring 603 is provided with a positioning hole 602 inside, and the positioning hole 60 2 is provided with multiple groups, another positioning hole 602 is provided inside the second sealing ring 604, a positioning rod 601 is provided inside the lower shell 8, and multiple groups of positioning rods 601 are provided, and the positioning rods 601 are snap-connected with the positioning holes 602; the upper shell 7 and the lower shell 8 can be snap-connected and fixed by snap-fitting and assembling the multiple groups of positioning rods 601 and the multiple groups of positioning holes 602, and the sealing performance of the first aid bracelet can be improved by the first sealing ring 603 and the second sealing ring 604. When the first aid bracelet needs to be supplemented with medicine, first, it is disassembled from the connection gap between the upper shell 7 and the lower shell 8, and then the medicine inside the medicine bag 301 can be supplemented.

[0027] When the user needs to wear the emergency bracelet during work, first, the user puts the emergency bracelet on his or her wrist, and then, by starting the second electric control button 102, the electric control micro air pump 402 can be controlled to start, and then, the electric control micro air pump 402 draws external air into the air bag 401 through the inflation tube 404, and the air bag 401 expands immediately. When the inner wall of the air bag 401 contacts and fits the wrist, the wearing of the emergency bracelet is completed. In addition, the air bag 401 can improve the comfort of wearing the bracelet, and the size of the air bag 401 can be adjusted so that it can be used by people with different wrist thicknesses, thereby achieving the purpose of convenience and practicality.

[0028] When the emergency bracelet is worn, the physiological parameter sensor 502 fits the wrist of the user, and the values ​​monitored by the physiological parameter sensor 502 are transmitted to the microprocessor. In addition, during the use of the bracelet by the patient, the pulse wave and blood oxygen saturation data can be measured. When the warning threshold of asthma attack is exceeded, the flashing light 501 will give a red light prompt;

[0029] When the user uses the first aid bracelet, first, the user aims the spray port at his or her mouth and nose, and then lifts one side of the anti-touch shell 205 with his or her fingers, and the anti-touch shell 205 is rotated and opened by the mounting shaft 204, and then the first electric control button 101 is pressed and opened, and then the first electric control button 101 can open the compression atomizer 303, and then the medicine is sprayed out through the micro-mesh atomizing nozzle 304, and the micro-mesh atomizing nozzle 304 has the advantages of fine and uniform medicine particles, small amount of medicine, small amount of medicine residue, long service life, and convenient use at home and outside;

[0030] At the same time, the upper shell 7 and the lower shell 8 can be fixed by snapping together through the multiple groups of positioning rods 601 and the multiple groups of positioning holes 602, and the sealing performance of the first aid bracelet can be improved through the first sealing ring 603 and the second sealing ring 604;

[0031] When the first aid bracelet needs to be refilled with medicine, first, it is disassembled from the connecting gap between the upper shell 7 and the lower shell 8, and then the medicine inside the medicine bag 301 can be refilled.

[0032] Through the above steps, first, the user wears the first aid bracelet on the wrist through the wearing component 4, and monitors the body's pulse wave and blood oxygen saturation and other data through the monitoring component 5. When the user uses the first aid bracelet, the spray port is aimed at his or her mouth and nose, and then the anti-touch component 2 is turned on, and then the control component 1 for controlling the medicine mist component 3 is pressed to turn on. Subsequently, the medicine is sprayed out through the medicine mist component 3. At the same time, the medicine mist component has the advantages of fine and uniform medicine particles, small amount of medicine, small amount of medicine residue, long service life, and convenient use at home and outside.

[0033] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A first aid bracelet with strong liquid sealing performance, comprising an upper shell (7); characterized in that: The invention also comprises a lower shell (8), a control component (1), an anti-touch component (2), a medicine mist component (3), a wearing component (4), a monitoring component (5) and a mounting component (6); the control component (1) is arranged above the upper shell (7), the anti-touch component (2) is arranged above the control component (1), the lower shell (8) is arranged below the upper shell (7), the medicine mist component (3) is arranged inside the lower shell (8), the wearing component (4) is arranged on the inner wall of the upper shell (7), the monitoring component (5) is arranged on the inner wall of the wearing component (4), and the mounting component (6) is arranged inside the lower shell (8).

2. The first aid bracelet with strong liquid sealing performance according to claim 1, characterized in that: The control component (1) comprises a first electric control button (101), a second electric control button (102) and a circuit board (103); the circuit board (103) is arranged inside the lower shell (8), the first electric control button (101) is arranged above the upper shell (7), the first electric control button (101) and the circuit board (103) are connected by wires, the second electric control button (102) is arranged above the upper shell (7), and the second electric control button (102) and the circuit board (103) are connected by wires.

3. The first aid bracelet with strong liquid sealing performance according to claim 1, characterized in that: The anti-touch component (2) comprises a mounting block (201), a mounting hole (202), a spiral spring (203), a mounting shaft (204) and an anti-touch shell (205); the mounting block (201) is arranged above the upper shell (7); the mounting hole (202) is opened on the side wall of the mounting block (201); the mounting shaft (204) is arranged inside the mounting hole (202); the anti-touch shell (205) is arranged outside the mounting shaft (204); the anti-touch shell (205) is rotatably connected to the mounting block (201) through the mounting shaft (204); spiral springs (203) are arranged at both ends of the mounting shaft (204); one end of the spiral spring (203) is fixedly connected to the inner wall of the mounting hole (202); and the other end of the spiral spring (203) is fixedly connected to one end of the mounting shaft (204).

4. The first aid bracelet with strong liquid sealing performance according to claim 1, characterized in that: The medicine mist assembly (3) comprises a medicine bag (301), a sealing belt (302), a compression atomizer (303) and a micro-mesh atomizing nozzle (304); the medicine bag (301) is arranged inside the lower shell (8), the sealing belt (302) is arranged on the side wall of the medicine bag (301), the compression atomizer (303) is arranged on one side of the medicine bag (301), and the micro-mesh atomizing nozzle (304) is arranged on one side of the compression atomizer (303).

5. The first aid bracelet with strong liquid sealing performance according to claim 1, characterized in that: The wearing component (4) comprises an airbag (401), an electrically controlled micro air pump (402), an electrically controlled valve (403) and an inflation tube (404); the airbag (401) is arranged on the inner wall of the upper shell (7), the electrically controlled micro air pump (402) is arranged on the inner bottom wall of the airbag (401), the inflation tube (404) is arranged below the electrically controlled micro air pump (402), and the electrically controlled valve (403) is arranged on the inner wall of the inflation tube (404).

6. The first aid bracelet with strong liquid sealing performance according to claim 5, characterized in that: The monitoring component (5) comprises a flashing light (501) and a physiological parameter sensor (502); the physiological parameter sensor (502) is arranged on the inner wall of the air bag (401), and the flashing light (501) is arranged on the side wall of the wristband body, and two groups of the flashing lights (501) are arranged.

7. The first aid bracelet with strong liquid sealing performance according to claim 1, characterized in that: The mounting assembly (6) includes a positioning rod (601), a positioning hole (602), a first sealing ring (603) and a second sealing ring (604); the first sealing ring (603) is arranged inside the upper shell (7), the second sealing ring (604) is arranged below the first sealing ring (603), the first sealing ring (603) is provided with a positioning hole (602) inside, the positioning holes (602) are provided in multiple groups, another positioning hole (602) is provided inside the second sealing ring (604), the lower shell (8) is provided with a positioning rod (601), the positioning rod (601) is provided in multiple groups, and the positioning rod (601) is snap-fitted and connected with the positioning holes (602).

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