CN217384410U

CN217384410U - Automobile air flow meter calibration device

Info

Publication number: CN217384410U
Application number: CN202220971854.4U
Authority: CN
Inventors: 丁林军; 洪芳芳; 张斌斌; 黄金火
Original assignee: Ruian Hongchuang Car Fittings Co ltd
Current assignee: Ruian Hongchuang Car Fittings Co ltd
Priority date: 2022-04-25
Filing date: 2022-04-25
Publication date: 2022-09-06
Anticipated expiration: 2032-04-25

Abstract

The utility model discloses a car air flowmeter calibration equipment, including the supporting baseplate, the top fixed mounting of supporting baseplate has air compressor, air compressor's output intercommunication has the air duct, the surface of air duct is provided with the governing valve, the top of air duct is provided with the ventilation pipe, the ventilation pipe communicates with the air duct each other. The utility model discloses a set up supporting baseplate, the supporting shoe, the dead lever, solid fixed ring, the ventilation pipe, air compressor, the air duct, the governing valve, the sealing washer, the glass window, standard air flow meter, the seal cover, first carriage release lever, first spout, fixed curb plate, the second carriage release lever, cooperate between second spout and the draw-in groove, the realization is convenient for treat that check-up air flow meter carries out the purpose of check-up, the efficiency of treating check-up air flow meter check-up is improved, it is loaded down with trivial details to have solved current check-up device check-up step simultaneously, lead to the check-up efficiency to descend, reduce the problem of check-up device practicality.

Description

Automobile air flow meter calibration device

Technical Field

The utility model relates to an automobile air flow meter technical field specifically is automobile air flow meter calibration equipment.

Background

The air flow meter is a device for converting the sucked air flow into an electric signal, and has the advantages of extremely small pressure loss, large measurable flow range, and the ratio of the maximum flow to the minimum flow of the air flow meter is generally 20: more than 1, the applicable industry pipe diameter scope is wide, can reach 3m at most, output signal and measured flow are linear, the accuracy is higher, measurable quantity conductivity is greater than or equal to 1 mus/cm's the fluid flow of acid, alkali, salt solution, water, sewage, corrosive liquids and mud, ore pulp, but air flow meter can not measure the flow of gas, steam and pure water, air flow meter needs calibration equipment to check up, current calibration equipment check-up step is loaded down with trivial details, lead to the check-up efficiency to descend, reduce calibration equipment's practicality.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automobile air flow meter calibration equipment possesses the efficient advantage of check-up, and it is loaded down with trivial details to have solved current calibration equipment check-up step, leads to check-up efficiency to descend, reduces the problem of calibration equipment practicality.

In order to achieve the above object, the utility model provides a following technical scheme: the calibration device for the automobile air flow meter comprises a supporting base plate, an air compressor is fixedly mounted at the top of the supporting base plate, an air guide pipe is communicated with the output end of the air compressor, a regulating valve is arranged on the surface of the air guide pipe, a ventilation pipe is arranged at the top of the air guide pipe, the ventilation pipe is communicated with the air guide pipe, glass windows are arranged on two sides of the ventilation pipe, a standard air flow meter is arranged on the left side of an inner cavity of the ventilation pipe, a to-be-calibrated air flow meter is arranged on the right side of the inner cavity of the ventilation pipe, a first moving rod is fixedly mounted at the top of the standard air flow meter, a first sliding groove is formed in the left side of the top of the ventilation pipe, the top of the first moving rod penetrates through the first sliding groove and is in sliding connection with the first sliding groove, a fixed side plate is fixedly mounted at the right side of the first moving rod, and a mounting bolt is arranged at the top of the fixed side plate, the top of the air flow meter to be verified is fixedly provided with a second moving rod, a second sliding groove is formed in the right side of the top of the ventilating pipe, the top of the second moving rod penetrates through the second sliding groove and is in sliding connection with the second sliding groove, a clamping groove is formed in the top of the ventilating pipe, and the second sliding groove is communicated with the clamping groove.

Preferably, the four corners of the bottom of the supporting base plate are fixedly provided with supporting blocks, and the bottoms of the supporting blocks are provided with wear pads.

Preferably, the both sides at supporting baseplate top are fixed mounting has the dead lever, the top fixed mounting of dead lever has solid fixed ring, gu fixed ring cover locate the surface of ventilation pipe and with ventilation pipe fixed connection.

Preferably, the bottom of the ventilation pipe is provided with a sealing ring, and the surface of the air guide pipe is sleeved with the sealing ring.

Preferably, sealing sleeves are sleeved on the surfaces of the standard air flow meter and the air flow meter to be verified, and the sealing sleeves are connected with the inner wall of the ventilation pipe in a sealing mode.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up supporting baseplate, the supporting shoe, the dead lever, solid fixed ring, the ventilation pipe, air compressor, the air duct, the governing valve, the sealing washer, the glass window, standard air flow meter, the seal cover, first carriage release lever, first spout, fixed curb plate, the second carriage release lever, cooperate between second spout and the draw-in groove, the realization is convenient for treat that check-up air flow meter carries out the purpose of check-up, the efficiency of treating check-up air flow meter check-up is improved, it is loaded down with trivial details to have solved current check-up device check-up step simultaneously, lead to the check-up efficiency to descend, reduce the problem of check-up device practicality.

2. The utility model discloses a set up the supporting shoe and be used for supporting the supporting baseplate, improve the support intensity of supporting the baseplate, and then improve the support stability of supporting the baseplate, mutually support through setting up the dead lever and solid fixed ring and be used for installing and spacing the ventilation pipe, improve the stability in use of ventilation pipe, prevent that the skew from appearing in the ventilation pipe, be used for improving the leakproofness of cooperation department between air duct and the ventilation pipe through setting up the sealing washer, be used for increasing standard air flow meter and treat the leakproofness between the check-up air flow meter respectively and the ventilation pipe inner wall through setting up the seal cover.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a schematic cross-sectional view of the ventilation tube of the present invention;

fig. 3 is a schematic view of the ventilating pipe of the present invention.

In the figure: 1. a support base plate; 2. a supporting block; 3. fixing the rod; 4. a fixing ring; 5. a vent pipe; 6. an air compressor; 7. a gas-guide tube; 8. adjusting a valve; 9. a seal ring; 10. a glass window; 11. a standard air flow meter; 12. sealing sleeves; 13. a first moving bar; 14. a first chute; 15. fixing the side plate; 16. an air flow meter to be verified; 17. a second movable bar; 18. a second chute; 19. a clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the calibration device for the automotive air flow meter comprises a support base plate 1, an air compressor 6 is fixedly installed at the top of the support base plate 1, an air duct 7 is communicated with an output end of the air compressor 6, an adjusting valve 8 is arranged on the surface of the air duct 7, a vent pipe 5 is arranged at the top of the air duct 7, the vent pipe 5 is communicated with the air duct 7, glass windows 10 are arranged on two sides of the vent pipe 5, a standard air flow meter 11 is arranged on the left side of an inner cavity of the vent pipe 5, an air flow meter 16 to be calibrated is arranged on the right side of the inner cavity of the vent pipe 5, a first moving rod 13 is fixedly installed at the top of the standard air flow meter 11, a first sliding chute 14 is formed in the left side of the top of the vent pipe 5, the top of the first moving rod 13 penetrates through the first sliding chute 14 and is in sliding connection with the first sliding chute 14, a fixed side plate 15 is fixedly installed on the right side of the first moving rod 13, the top of the fixed side plate 15 is provided with a mounting bolt, the top of the air flow meter 16 to be verified is fixedly provided with a second moving rod 17, the right side of the top of the ventilation pipe 5 is provided with a second sliding groove 18, the top of the second moving rod 17 penetrates through the second sliding groove 18 and is in sliding connection with the second sliding groove 18, the top of the ventilation pipe 5 is provided with a clamping groove 19, the second sliding groove 18 is communicated with the clamping groove 19, and through the arrangement of the support bottom plate 1, the support block 2, the fixed rod 3, the fixing ring 4, the ventilation pipe 5, the air compressor 6, the air duct 7, the regulating valve 8, the sealing ring 9, the glass window 10, the standard air flow meter 11, the sealing sleeve 12, the first moving rod 13, the first sliding groove 14, the fixed side plate 15, the second moving rod 17, the second sliding groove 18 and the clamping groove 19 in cooperation, the purpose of conveniently verifying the air flow meter 16 to be verified is realized, and the verifying efficiency of the air flow meter 16 to be verified is improved, supporting blocks 2 are fixedly mounted at four corners of the bottom of the supporting base plate 1, wear-resistant pads are arranged at the bottom of the supporting blocks 2, the supporting base plate 1 is supported by the supporting blocks 2, the supporting strength of the supporting base plate 1 is improved, the supporting stability of the supporting base plate 1 is further improved, fixing rods 3 are fixedly mounted at two sides of the top of the supporting base plate 1, fixing rings 4 are fixedly mounted at the tops of the fixing rods 3, the fixing rings 4 are sleeved on the surface of the ventilating pipe 5 and are fixedly connected with the ventilating pipe 5, the fixing rods 3 and the fixing rings 4 are matched with each other to install and limit the ventilating pipe 5, the using stability of the ventilating pipe 5 is improved, the ventilating pipe 5 is prevented from deviating, a sealing ring 9 is arranged at the bottom of the ventilating pipe 5, the sealing ring 9 is sleeved on the surface of the air guide pipe 7, and the sealing ring 9 is arranged to improve the sealing performance of a matching part between the air guide pipe 7 and the ventilating pipe 5, the surfaces of the standard air flow meter 11 and the air flow meter 16 to be verified are both sleeved with sealing sleeves 12, the sealing sleeves 12 are in sealing connection with the inner wall of the ventilation pipe 5, and the sealing sleeves 12 are used for increasing the sealing performance between the standard air flow meter 11 and the air flow meter 16 to be verified and the inner wall of the ventilation pipe 5 respectively.

During the use, with the inside of standard air flowmeter 11 from the left side entering ventilation pipe 5 of ventilation pipe 5, remove standard air flowmeter 11 to the inside of ventilation pipe 5 through first carriage release lever 13, will fix curb plate 15 through the construction bolt, will treat that the air flowmeter 16 that verifies moves to the inside of ventilation pipe 5 from the right side of ventilation pipe 5 through second carriage release lever 17, when second carriage release lever 17 moves to the end of second spout 18, rotate second carriage release lever 17 and connect the inside in draw-in groove 19 with second carriage release lever 17 joint, pass through the inside of the leading-in ventilation pipe 5 of air duct 7 with the air current under air compressor 6's effect, and then the air current flows to the both sides of ventilation pipe 5 and passes through standard air flowmeter 11 and the air flowmeter 16 that waits to verify, observe through glass window 10, thereby conveniently treat that the air flowmeter 16 that verifies.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Car air flow meter calibration equipment, including supporting baseplate (1), its characterized in that: the air compressor (6) is fixedly installed at the top of the supporting base plate (1), the output end of the air compressor (6) is communicated with an air guide pipe (7), an adjusting valve (8) is arranged on the surface of the air guide pipe (7), a ventilation pipe (5) is arranged at the top of the air guide pipe (7), the ventilation pipe (5) is communicated with the air guide pipe (7), glass windows (10) are arranged on two sides of the ventilation pipe (5), a standard air flow meter (11) is arranged on the left side of an inner cavity of the ventilation pipe (5), an air flow meter (16) to be verified is arranged on the right side of the inner cavity of the ventilation pipe (5), a first moving rod (13) is fixedly installed at the top of the standard air flow meter (11), a first sliding chute (14) is formed in the left side of the top of the ventilation pipe (5), the top of the first moving rod (13) penetrates through the first sliding chute (14) and is in sliding connection with the first sliding chute (14), the right side fixed mounting of first carriage release lever (13) has fixed curb plate (15), the top of fixed curb plate (15) is provided with construction bolt, treat the top fixed mounting who verifies air flow meter (16) has second carriage release lever (17), second spout (18) have been seted up on the right side at ventilation pipe (5) top, the top of second carriage release lever (17) run through second spout (18) and with second spout (18) sliding connection, draw-in groove (19) have been seted up at the top of ventilation pipe (5), second spout (18) and draw-in groove (19) intercommunication.

2. The automotive air flow meter verification device according to claim 1, characterized in that: supporting blocks (2) are fixedly mounted at four corners of the bottom of the supporting base plate (1), and wear-resistant pads are arranged at the bottoms of the supporting blocks (2).

3. The automotive air flow meter verification device according to claim 1, wherein: the equal fixed mounting in both sides at supporting baseplate (1) top has dead lever (3), the top fixed mounting of dead lever (3) has solid fixed ring (4), gu fixed ring (4) cover locate the surface of ventilation pipe (5) and with ventilation pipe (5) fixed connection.

4. The automotive air flow meter verification device according to claim 1, characterized in that: the bottom of ventilation pipe (5) is provided with sealing washer (9), the surface of air duct (7) is located in sealing washer (9) cover.

5. The automotive air flow meter verification device according to claim 1, characterized in that: the air flow meter calibration device is characterized in that sealing sleeves (12) are sleeved on the surfaces of the standard air flow meter (11) and the air flow meter to be calibrated (16), and the sealing sleeves (12) are connected with the inner wall of the ventilation pipe (5) in a sealing mode.