Calibrator for detecting accuracy of respirator pressure gauge

Abstract

The utility model relates to the technical field of respirator pressure gauge detection, and discloses a calibrator for detecting the accuracy of a respirator pressure gauge, a mounting cavity is arranged in the rear side of an instrument body, the bottom of the mounting cavity is fixedly connected with a gas booster pump, the rear side of the gas booster pump is fixedly communicated with an air inlet pipe, and the air inlet pipe is fixedly communicated with an air outlet pipe. The top of the gas booster pump fixedly communicates with a gas conveying pipe, the top of the gas conveying pipe fixedly communicates with a flow dividing pipe, the left side of the top of the flow dividing pipe fixedly communicates with a first connector, the top of the first connector is in threaded connection with a standard pressure gauge, and the right side of the top of the flow dividing pipe fixedly communicates with a second connector. The first interface, the second interface, the instrument body and the like are matched for use, the standard pressure gauge and the respirator pressure gauge are installed on the first interface and the second interface respectively, the gas booster pump is started, the accuracy of the respirator pressure gauge can be determined by comparing numerical values, and the device is small in size, convenient to carry and convenient for workers to use at any time.

Description

TECHNICAL FIELD

[0001] The utility model relates to a respirator pressure gauge detection technical field, concretely is a kind of calibrator for respirator pressure gauge accuracy detection. BACKGROUND

[0002] Respirator pressure gauge is not detected for long-term use, and the pointer of the pressure gauge may show value out of tolerance, which cannot indicate the safety performance of the air respirator, and the on-site user will estimate the amount of residual air in the air respirator, which seriously threatens the life safety of on-site users.

[0003] The existing respirator pressure gauge calibrator is mostly large in size, inconvenient for the staff to use at any time, and complex in operation process, time-consuming and labor-consuming, inconvenient for the detection personnel to observe the reading, greatly affecting the detection efficiency, and inconvenient for the staff to use. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides a calibrator for respirator pressure gauge accuracy detection to solve the problems of the existing respirator pressure gauge calibrator mentioned in the above background art, most of which are large in size, inconvenient for the staff to use at any time, and complex in operation process, time-consuming and labor-consuming, inconvenient for the detection personnel to observe the reading, greatly affecting the detection efficiency, and inconvenient for the staff to use.

[0005] To achieve the above object, the utility model provides the following technical scheme: a calibrator for respirator pressure gauge accuracy detection, comprising an instrument body, a mounting cavity is formed in the rear side of the instrument body, a gas booster pump is fixedly connected to the bottom of the mounting cavity, a gas inlet pipe is fixedly communicated with the rear side of the gas booster pump, a gas outlet pipe is fixedly communicated with the top of the gas booster pump, a shunt pipe is fixedly communicated with the top of the gas outlet pipe, a first interface is fixedly communicated with the top left side of the shunt pipe, a pressure relief pipe one is fixedly communicated with the left side of the first interface, a pressure relief valve one is arranged on the surface of the pressure relief pipe one, a standard pressure gauge is screwed on the top of the first interface, a second interface is fixedly communicated with the top right side of the shunt pipe, a pressure relief pipe two is fixedly communicated with the right side of the second interface, a pressure relief valve two is arranged on the surface of the pressure relief pipe two, a respirator pressure gauge is screwed on the top of the second interface, a clamping hole is formed in the rear end of the instrument body, a clamping tenon is clamped in the clamping hole, a dustproof plate is fixedly connected to the rear side of the clamping tenon, and a through hole is formed in the surface of the dustproof plate.

[0006] Preferably, the first interface and the second interface are the same in shape and size, and mounting threads are formed in the top surfaces of the first interface and the second interface.

[0007] The first interface, the second interface and the instrument body are used in cooperation, the standard pressure gauge and the respirator pressure gauge are installed on the first interface and the second interface respectively, the gas booster pump is started, and the preparation degree of the respirator pressure gauge can be determined by comparing the values, the operation is simple, and the staff can use it at any time.

[0008] Preferably, the position of the tenon corresponds to the position of the mortise, the diameter of the tenon is matched with the diameter of the mortise, and the tenon is tightly fitted with the inner wall of the mortise.

[0009] The dustproof plate and the instrument body are separated by pulling out the tenon from the mortise, the installation cavity is exposed outside, the staff can maintain and repair conveniently, and the service life of the gas booster pump is improved.

[0010] Preferably, the position of the through hole corresponds to the position of the air inlet pipe, and the diameter of the through hole is matched with the diameter of the air inlet pipe.

[0011] Preferably, the two top portions of the shunt pipe penetrate the top wall of the instrument body and extend to the top of the instrument body.

[0012] Preferably, the standard pressure gauge is a digital precision pressure gauge.

[0013] The standard pressure gauge is a digital precision pressure gauge, the detection personnel can observe the reading conveniently, the detection precision is higher, and the detection efficiency is improved.

[0014] Compared with the prior art, the respirator pressure gauge accuracy detection calibration instrument has the following beneficial effects:

[0015] 1. The respirator pressure gauge accuracy detection calibration instrument is small in size, convenient to carry, and convenient for the staff to use at any time.

[0016] 2. The respirator pressure gauge accuracy detection calibration instrument is small in size, convenient to carry, and convenient for the staff to use at any time. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a front view structural schematic diagram of the utility model;

[0018] Figure 2The utility model discloses an instrument body structure schematic diagram;

[0019] Figure 3 The utility model discloses an installation cavity structure schematic diagram;

[0020] Figure 4 The utility model discloses a dustproof plate structure schematic diagram.

[0021] In the drawing: 1, instrument body;2, installation cavity;3, gas booster pump;4, inlet pipe;5, gas delivery pipe;6, shunt pipe;7, first interface;8, second interface;9, pressure relief pipe one;10, pressure relief valve one;11, pressure relief pipe two;12, pressure relief valve two;13, standard pressure gauge;14, respirator pressure gauge;15, clamping hole;16, dustproof plate;17, through -hole;18, clamping tenon. Specific implementation

[0022] The technical scheme in the embodiments of the utility model will be apparently and completely described below in combination with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the range of protection of the utility model.

[0023] Embodiment 1:

[0024] Please combine with the drawings 1-3, a kind of respirator pressure gauge accuracy detection is verified with check instrument, including instrument body 1, installation cavity 2 is set in the rear side inside of instrument body 1, the bottom of installation cavity 2 is fixedly connected with gas booster pump 3, the rear side of gas booster pump 3 is fixedly communicated with inlet pipe 4, the top of gas booster pump 3 is fixedly communicated with gas delivery pipe 5, the top of gas delivery pipe 5 is fixedly communicated with shunt pipe 6, the top left side of shunt pipe 6 is fixedly communicated with first interface 7, the left side of first interface 7 is fixedly communicated with pressure relief pipe one 9, and pressure relief valve one 10 is arranged on the surface of pressure relief pipe one 9, standard pressure gauge 13 is threadedly connected on the top of first interface 7, and standard pressure gauge 13 is digital precision pressure gauge, the top right side of shunt pipe 6 is fixedly communicated with second interface 8, the right side of second interface 8 is fixedly communicated with pressure relief pipe two 11, and pressure relief valve two 12 is arranged on the surface of pressure relief pipe two 11, first interface 7 and second interface 8 are same in shape and size, and the top surface of first interface 7 and second interface 8 are all set with installation screw threads, and respirator pressure gauge 14 is threadedly connected on the top of second interface 8, the rear end of instrument body 1 is set with clamping hole 15, and clamping tenon 18 is clamped in the inside of clamping hole 15, dustproof plate 16 is fixedly connected to the rear side of clamping tenon 18, and through -hole 17 is set on the surface of dustproof plate 16.

[0025] Working principle: when using, the worker can hold the instrument body 1 to the designated place, and install the standard pressure gauge 13 on the first interface 7, then the worker installs the respirator pressure gauge 14 to be detected on the second interface 8, at this time the worker starts the gas booster pump 3, the gas booster pump 3 draws air through the air inlet pipe 4 and pressurizes and delivers to the shunt pipe 6 through the gas delivery pipe 5, the shunt pipe 6 uniformly delivers the pressurized air to the first interface 7 and the second interface 8, the gas pressure in the first interface 7 and the second interface 8 is detected by the standard pressure gauge 13 and the respirator pressure gauge 14 respectively, at this time the worker opens the pressure relief valve one 10 and the pressure relief valve two 12, the excess gas is discharged through the pressure relief pipe one 9 and the pressure relief pipe two 11, the worker compares the values of the standard pressure gauge 13 and the respirator pressure gauge 14 to determine the readiness of the respirator pressure gauge 14, which is simple to operate and convenient for the worker to use at any time.

[0026] Compared with the related art, the utility model provides a kind of respirator pressure gauge accuracy detection with check instrument with the following beneficial effects: by setting first interface 7, second interface 8 instrument body 1 etc. are used in cooperation, by installing standard pressure gauge 13 and respirator pressure gauge 14 respectively on first interface 7 and second interface 8, starting gas booster pump 3, and comparing values can determine the accuracy of respirator pressure gauge 14, and small, convenient to carry, it is convenient for worker to use at any time.

[0027] Example 2:

[0028] Please refer to figures 1-4, the rear side of instrument body 1 is internally provided with mounting cavity 2, the bottom of mounting cavity 2 is fixedly connected with gas booster pump 3, the rear side of gas booster pump 3 is fixedly communicated with air inlet pipe 4, the top of gas booster pump 3 is fixedly communicated with gas delivery pipe 5, the top of gas delivery pipe 5 is fixedly communicated with shunt pipe 6, the top left side of shunt pipe 6 is fixedly communicated with first interface 7, the left side of first interface 7 is fixedly communicated with pressure relief pipe one 9, pressure relief valve one 10 is arranged on the surface of pressure relief pipe one 9, standard pressure gauge 13 is screw-connected on the top of first interface 7, clamping hole 15 is formed in the rear end of instrument body 1, clamping pin 18 is clamped in clamping hole 15, dustproof plate 16 is fixedly connected to the rear side of clamping pin 18, and through hole 17 is formed in the surface of dustproof plate 16.

[0029] Working principle: when using, the detection accuracy of standard pressure gauge 13 is greater than the accuracy of respirator pressure gauge 14, standard pressure gauge 13 uses 0.2 level digital precision pressure gauge, digital precision pressure gauge is prior art, can display measurement value in digital form on display screen, convenient for detection personnel to observe reading, and is beneficial to improve detection efficiency.

[0030] Compared with the prior art, the utility model provides a kind of respirator pressure gauge accuracy detection with check instrument with following beneficial effects: by being equipped with standard pressure gauge 13 etc., standard pressure gauge 13 adopts digital precision pressure gauge, and it is convenient for detection personnel to observe reading, and detection precision is higher, and it is favorable to promote detection efficiency.

[0031] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A calibrator for checking the accuracy of a pressure gauge of a breathing apparatus, comprising a body (1) of the calibrator, characterized in that: The rear side of the instrument body (1) is internally provided with a mounting cavity (2), the bottom of the mounting cavity (2) is fixedly connected with a gas booster pump (3), the rear side of the gas booster pump (3) is fixedly communicated with an air inlet pipe (4), the top of the gas booster pump (3) is fixedly communicated with a gas delivery pipe (5), the top of the gas delivery pipe (5) is fixedly communicated with a shunt pipe (6), the top left side of the shunt pipe (6) is fixedly communicated with a first interface (7), the left side of the first interface (7) is fixedly communicated with a pressure relief pipe I (9), the surface of the pressure relief pipe I (9) is provided with a pressure relief valve I (10), the top of the first interface (7) is threadedly connected with a standard pressure gauge (13), the top right side of the shunt pipe (6) is fixedly communicated with a second interface (8), the right side of the second interface (8) is fixedly communicated with a pressure relief pipe II (11), the surface of the pressure relief pipe II (11) is provided with a pressure relief valve II (12), the top of the second interface (8) is threadedly connected with a respirator pressure gauge (14), the rear end of the instrument body (1) is provided with a clamping hole (15), the inside of the clamping hole (15) is clamped with a tenon (18), the rear side of the tenon (18) is fixedly connected with a dustproof plate (16), the surface of the dustproof plate (16) is provided with a through hole (17).

2. The calibrator for checking the accuracy of a pressure gauge of a breathing apparatus according to claim 1, wherein: The first interface (7) and the second interface (8) are the same in shape and size, and the top surfaces of the first interface (7) and the second interface (8) are both provided with mounting threads.

3. The calibrator for checking the accuracy of a pressure gauge of a breathing apparatus according to claim 1, wherein: The position of the tenon (18) corresponds to the position of the clamping hole (15), the diameter of the tenon (18) is matched with the diameter of the clamping hole (15), and the tenon (18) is tightly attached to the inner wall of the clamping hole (15).

4. The calibrator for checking the accuracy of a pressure gauge of a breathing apparatus according to claim 1, wherein: The position of the through hole (17) corresponds to the position of the air inlet pipe (4), and the diameter of the through hole (17) is matched with the diameter of the air inlet pipe (4).

5. The calibrator for checking the accuracy of a pressure gauge of a breathing apparatus according to claim 1, wherein: The top of the shunt pipe (6) on both sides penetrates the top wall of the instrument body (1) and extends to the top of the instrument body (1).

6. The calibrator according to claim 1, wherein: The standard pressure gauge (13) is a digital precision pressure gauge.

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