Tool for detecting air respirator

Abstract

The utility model discloses a tool for detecting an air respirator, which comprises a respiration simulation box body, the top of the respiration simulation box body is provided with an environment simulation cover and a respirator wearing model seat, and the outer surface of the environment simulation cover is provided with a pressure pump and an electric heater. In the working process of the device, firstly, an air respirator can be worn through an arranged respirator wearing model seat, then the respirator wearing model seat can be placed through an arranged respiration simulation box body, an arranged environment simulation cover, an arranged pressure pump and an arranged electric heater, and meanwhile the environment around the respirator wearing model seat can be simulated; and finally, an arranged servo motor can drive a respirator wearing model seat to simulate a human body to breathe, so that the respirator wearing model seat can conveniently wear the air respirator to breathe in different environments, and the air respirator can be conveniently and better detected.

Description

Technical Field

[0001] The utility model relates to the technical field of air respirator detection equipment, in particular to a tooling for air respirator detection. Background Art

[0002] Air respirators are composed of masks, gas cylinders, bottle bags, shoulder straps and other parts. Air respirators are used in firefighting, chemical, shipbuilding, petroleum and other industries. They are life-saving equipment for firefighters or emergency rescue personnel in harsh environments such as thick smoke, toxic gas, steam or lack of oxygen. Due to the harsh operating environment of air respirators, air respirators need to be tested during production.

[0003] There are certain drawbacks in the existing air respirator detection devices. The existing detection devices cannot change the detection environment, which makes it inconvenient to control environmental factors such as pressure and temperature for testing. It cannot simulate the air respirator breathing gas in different environments, which in turn affects the effect of air respirator detection, thus having a certain impact. Utility Model Content

[0004] In order to solve the above problems, the utility model provides a tooling for air respirator detection, and the utility model is realized through the following technical solutions.

[0005] A tool for testing an air respirator comprises a breathing simulation box, an environmental simulation hood and a respirator wearing model seat are installed on the top of the breathing simulation box, a pressure pump and an electric heater are installed on the outer surface of the environmental simulation hood, a notch is provided on the bottom of the respirator wearing model seat, an air intake pipe is embedded in the inner wall of the notch, an oral duct and a nasal duct are connected through one end of the air intake pipe, a piston cylinder is fixedly connected to the inner wall of the breathing simulation box, a through tube is connected through one end of the piston cylinder, and a piston rod is movably connected through the other end of the piston cylinder, a hose is connected through the outer surface of the piston cylinder, and the other end of the hose is fixedly installed with the air intake pipe.

[0006] Furthermore, a connecting seat is fixedly connected to the top of the breathing simulation box, the environmental simulation cover is threadedly matched with the connecting seat, and a first annular sealing gasket is provided between the environmental simulation cover and the connecting seat, and the respirator wearing model seat is located inside the environmental simulation cover.

[0007] Furthermore, an opening is provided on the top of the breathing simulation box, and the respirator wearing model seat is installed at the position of the opening on the top of the breathing simulation box, and the opening is connected to the notch.

[0008] Furthermore, a second annular sealing gasket is extruded between the breathing simulation box and the respirator wearing model seat.

[0009] Furthermore, it also includes a driving device, which is used to drive the piston to reciprocate inside the piston cylinder, and the driving device is provided with a servo motor, the servo motor is fixedly installed on the outside of the breathing simulation box, and one end of the servo motor output shaft extends to the inside of the breathing simulation box and is fixedly connected to a turntable, one side of the turntable is rotatably connected to a pull rod, and the other end of the pull rod is rotatably connected to the piston rod.

[0010] Furthermore, a pressure detector and a temperature detector are installed on the top of the environmental simulation cover.

[0011] The beneficial effect of the utility model is that, during the operation of the device, the air respirator can be worn by firstly using the respirator wearing model seat, and then the respirator wearing model seat can be placed by the respirator wearing model seat, and the environment around the respirator wearing model seat can be simulated. Finally, the servo motor can drive the respirator wearing model seat to simulate human breathing, thereby facilitating the respirator wearing model seat to wear the air respirator and breathe in different environments, and then facilitating better detection of the air respirator. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the technical solution of the present invention, the drawings required for use in the description of the specific implementation methods will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0013] Figure 1 : A schematic diagram of the structure of a tooling for testing an air respirator according to the utility model;

[0014] Figure 2 : A schematic diagram of the connection between the wearing model seat and the piston cylinder of the respirator of the utility model;

[0015] Figure 3 : The utility model Figure 2 A is an enlarged view of the middle image.

[0016] The reference numerals are as follows:

[0017] 1. Breathing simulation box; 101. Connecting seat; 102. Opening;

[0018] 2. Environmental simulation cover; 201. Pressure detector; 202. Temperature detector;

[0019] 3. Respirator wearing model seat; 301. Notch; 302. Air inlet pipe; 303. Oral pipe; 304. Nostril pipe;

[0020] 4. Piston cylinder; 401. Hose; 402. Through-tube; 403. Piston rod; 404. Piston;

[0021] 5. Servo motor; 501. Turntable; 502. Pull rod;

[0022] 6. Pressure pump;

[0023] 7. Electric heater. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] like Figure 1-3 As shown, the utility model has the following specific embodiments.

[0026] Example:

[0027] A tool for testing an air respirator comprises a breathing simulation box 1, an environment simulation hood 2 and a respirator wearing model seat 3 are installed on the top of the breathing simulation box 1, a pressure pump 6 and an electric heater 7 are installed on the outer surface of the environment simulation hood 2, a notch 301 is provided at the bottom of the respirator wearing model seat 3, an air inlet pipe 302 is embedded in the inner wall of the notch 301, an oral cavity duct 303 and a nasal duct 304 are penetrated and connected at one end of the air inlet pipe 302, a piston cylinder 4 is fixedly connected to the inner wall of the breathing simulation box 1, a penetration tube 402 is penetrated and connected at one end of the piston cylinder 4, and a piston rod 403 is movably penetrated and connected at the other end of the piston cylinder 4, a hose 401 is penetrated and connected to the outer surface of the piston cylinder 4, and the other end of the hose 401 is fixedly installed with the air inlet pipe 302.

[0028] By adopting the above technical solution, when using the device, first wear the air respirator on the face of the respirator wearing model seat 3, then turn on the servo motor 5 to drive the piston cylinder 4 to breathe, the piston cylinder 4 is connected to the air inlet pipe 302 through the hose 401, and the oral duct 303 and the nasal duct 304 are both connected to the air inlet pipe 302, so that the oral duct 303 and the nasal duct 304 can be driven to breathe inside the air respirator, and then simulate human breathing for detection, and then turn on the pressure pump 6 to adjust the pressure inside the environment simulation cover 2, turn on the electric heater 7 to adjust the temperature inside the environment simulation cover 2, and at the same time, the pressure detector 201 and the temperature detector 202 can detect the pressure and temperature inside the environment simulation cover 2, and then the environment of the air respirator can be changed for detection, which has a better detection effect.

[0029] Specifically, a connecting seat 101 is fixedly connected to the top of the breathing simulation box 1, the environmental simulation cover 2 is threadedly matched with the connecting seat 101, and a first annular sealing gasket is provided between the environmental simulation cover 2 and the connecting seat 101, and the respirator wearing model seat 3 is located inside the environmental simulation cover 2.

[0030] By adopting the above technical solution, the provided environmental simulation hood 2 can be installed between the breathing simulation box 1 through the connecting seat 101, thereby facilitating the disassembly and assembly between the breathing simulation box 1 and the environmental simulation hood 2, and facilitating the placement and removal of the air respirator. At the same time, the provided first annular sealing gasket can enable the breathing simulation box 1 and the environmental simulation hood 2 to be sealed and docked.

[0031] Specifically, an opening 102 is provided on the top of the breathing simulation box 1 , and the respirator wearing model seat 3 is installed at the position of the opening 102 on the top of the breathing simulation box 1 , and the opening 102 is communicated with the notch 301 .

[0032] A second annular sealing gasket is extruded between the breathing simulation box 1 and the respirator wearing model seat 3 .

[0033] By adopting the above technical solution, the second annular sealing gasket can achieve a sealed connection between the breathing simulation box 1 and the respirator wearing model seat 3, so that the opening 102 opened on the outer surface of the breathing simulation box 1 is connected with the groove 301 opened at the bottom of the respirator wearing model seat 3, thereby facilitating the hose 401 to extend into the groove 301 and connect and install with the air inlet pipe 302, thereby facilitating the disassembly, assembly and replacement of the respirator wearing model seat 3.

[0034] Specifically, it also includes a driving device, which is used to drive the piston 404 to reciprocate inside the piston cylinder 4, and the driving device is provided with a servo motor 5, which is fixedly installed on the outside of the breathing simulation box 1, and one end of the servo motor 5 output shaft extends to the inside of the breathing simulation box 1 and is fixedly connected to a turntable 501, one side of the turntable 501 is rotatably connected to a pull rod 502, and the other end of the pull rod 502 is rotatably connected to the piston rod 403.

[0035] By adopting the above technical solution, the device can be driven to simulate human breathing, that is, the servo motor 5 can drive the turntable 501 to rotate, and the turntable 501 can pull one end of the pull rod 502 to rotate and move, so that the other end of the pull rod 502 pulls the rotating connected piston rod 403 to move and retract inside the piston cylinder 4, so that the piston 404 connected to one end of the piston rod 403 can be pulled to move the piston seat inside the piston cylinder 4, and then the piston cylinder 4 is pulled to breathe gas.

[0036] Specifically, a pressure detector 201 and a temperature detector 202 are installed on the top of the environment simulation cover 2 .

[0037] By adopting the above technical solution, the set pressure detector 201 can monitor the pressure inside the environment simulation cover 2 in real time, and the set temperature detector 202 can monitor the temperature inside the environment simulation cover 2 in real time.

[0038] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A tool for testing an air respirator, comprising a breathing simulation box (1), characterized in that: An environment simulation cover (2) and a respirator wearing model seat (3) are installed on the top of the breathing simulation box (1); a pressure pump (6) and an electric heater (7) are installed on the outer surface of the environment simulation cover (2); a notch (301) is provided at the bottom of the respirator wearing model seat (3); an air intake pipe (302) is embedded in the inner wall of the notch (301); one end of the air intake pipe (302) is connected to an oral duct (303) and a nasal duct (304); a piston cylinder (4) is fixedly connected to the inner wall of the breathing simulation box (1); one end of the piston cylinder (4) is connected to a through-tube (402) through-hole, and the other end of the piston cylinder (4) is movably connected to a piston rod (403); a hose (401) is connected to the outer surface of the piston cylinder (4); and the other end of the hose (401) is fixedly installed to the air intake pipe (302).

2. The tooling for detecting an air respirator according to claim 1, characterized in that: The top of the breathing simulation box (1) is fixedly connected to a connecting seat (101), the environmental simulation cover (2) is threadedly matched with the connecting seat (101), and a first annular sealing gasket is provided between the environmental simulation cover (2) and the connecting seat (101), and the respirator wearing model seat (3) is located inside the environmental simulation cover (2).

3. The tooling for testing an air respirator according to claim 1, characterized in that: The top of the breathing simulation box (1) is provided with an opening (102), the respirator wearing model seat (3) is installed at the position of the opening (102) at the top of the breathing simulation box (1), and the opening (102) is connected to the notch (301).

4. The tooling for testing an air respirator according to claim 1, characterized in that: A second annular sealing gasket is extruded between the breathing simulation box (1) and the respirator wearing model seat (3).

5. The tooling for testing an air respirator according to claim 1, characterized in that: The invention also includes a driving device, which is used to drive the piston (404) to reciprocate inside the piston cylinder (4), and the driving device is provided with a servo motor (5), and the servo motor (5) is fixedly installed on the outside of the breathing simulation box (1), and one end of the output shaft of the servo motor (5) extending to the inside of the breathing simulation box (1) is fixedly connected to a turntable (501), and one side of the turntable (501) is rotatably connected to a pull rod (502), and the other end of the pull rod (502) is rotatably connected to the piston rod (403).

6. The tooling for testing an air respirator according to claim 1, characterized in that: A pressure detector (201) and a temperature detector (202) are installed on the top of the environmental simulation cover (2).

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