CN212871654U

CN212871654U - Throttle valve body external leakage testing device

Info

Publication number: CN212871654U
Application number: CN202022403950.2U
Authority: CN
Inventors: 李斌
Original assignee: Sichuan Tianao Environmental Protection Science & Technology Co ltd
Current assignee: Sichuan Tianao Environmental Protection Science & Technology Co ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-04-02
Anticipated expiration: 2030-10-26

Abstract

The utility model discloses an external leakage testing device of a throttle valve body, which comprises a bottom plate, a seal box is arranged on the bottom plate, an air pressure sensor is arranged on one side of the seal box, a perforation is arranged on one side of the seal box, a pressure instrument is arranged at one end of the air pressure sensor penetrating through the perforation, a throttle valve body is arranged in the seal box, an air inlet is arranged on one side of the seal box, a gas pipe is inserted in the air inlet, a control valve is arranged on the gas pipe, an adjusting bottle is arranged at the other end of the gas pipe, the input end of the gas valve is connected with a pressure regulating valve through a hose, an air pump is arranged at one end of the pressure regulating valve, the air pump charges high pressure into the adjusting bottle, then the control valve is opened, the high pressure in the adjusting bottle is rapidly charged into the seal box for placing the throttle valve body, the balanced air pressure, the problem of detect incomprehensible among the prior art is solved.

Description

Throttle valve body external leakage testing device

Technical Field

The utility model belongs to the technical field of the engine, concretely relates to external leakage test device of throttle valve body.

Background

The throttle valve body is a controllable valve for controlling air to enter the engine, and the air is mixed with gasoline after entering the air pipe to become combustible gas to participate in combustion and work. The throttle valve body is the most important component in an electronic fuel injection vehicle engine system, the upper part of the electronic fuel injection throttle valve body is generally connected with an air filter, the lower part of the electronic fuel injection throttle valve body is connected with a cylinder body of an engine and is the throat of the vehicle engine, wherein a carburetor generally injects gasoline into an air inlet pipeline in front of the throttle valve body and sucks air, and the air and the oil gas are mixed and then are sucked into a cylinder of the engine through the throttle valve body to be compressed and ignited. The motorcycle air throttle body assembly mainly comprises a valve body, an air throttle sheet, an air throttle shaft, an idle bypass flow passage, an idle air flow control valve, a position sensor, an ECU module and a torsion mechanism.

After the throttle valve body is assembled, the sealing performance of the bearing sealing cover and the sealing cover of the gear box needs to be detected, and an inflation test is carried out. Normally, the leakage test of the throttle valve body is an internal leakage test, air is filled into the valve body, the air respectively reaches a bearing sealing cover and a gear box sealing cover through 2 paths of a bearing and a gear box, if a leakage point exists, the air pressure is reduced, and a leakage meter can detect the leakage amount. If the product cavity is large, the inflation time is long, and the capacity of the equipment is influenced. If there is sealing material in gear box and the valve body inside, or there is sealing material in bearing and the valve body inside, the sealing performance of the sealed lid of bearing and the sealed lid of gear box can't be detected to interior leak testing's mode, and is not comprehensive enough to throttle valve body's detection.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an outer leak testing device of throttle valve body to there is the not enough comprehensive problem of detection among the solution prior art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an outer leakage testing arrangement of throttle valve body, includes the bottom plate, the bottom plate facial make-up is equipped with the seal box, the atmospheric pressure inductor has been installed to one side of seal box, one side of seal box is equipped with the perforation, the atmospheric pressure inductor is worn out fenestrate one end and has been installed pressure instrument, the built-in throttle valve body that is equipped with of seal box, one side of seal box is equipped with the inlet port, the inlet port interpolation is equipped with the gas-supply pipe, the gas-supply pipe facial make-up is equipped with the control valve, the regulation bottle has been installed to the other end of gas-supply pipe, the inflation valve has been installed to the bottleneck department of regulation bottle, the input of inflation valve has the.

Preferably, one side of the seal box is provided with an exhaust hole, an exhaust pipe is inserted into the exhaust hole, and one end of the exhaust pipe is provided with an exhaust valve.

Preferably, sealed lid has been installed to the one end of seal box, the seal box facial make-up is equipped with the screw thread post, sealed covering is equipped with the fixed orifices, the one end threaded connection that the fixed orifices was worn out to the screw thread post has the nut, be equipped with the seal groove on the seal box, sealed covering facial make-up is equipped with the sealing ring, the sealing ring inserts in the seal groove.

Preferably, the bottom plate is provided with a push rod, and the lower surface of the bottom plate is provided with universal wheels.

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

the utility model provides an outer leakage test device of throttle valve body, put the seal box with the throttle valve body, the sealed lid of reuse covers the seal box, the nut locking is passed through to the one end of wearing out the fixed orifices with the screw thread post, reopen the air pump, the air-vent valve through setting for the pressure value passes through the inflation valve and fills into the high pressure in to the adjusting flask, reopen the control valve, the high pressure in the adjusting flask fills rapidly into the seal box of placing the throttle valve body, make balanced atmospheric pressure reach the test pressure of product, the atmospheric pressure value in the atmospheric pressure inductor response seal box, if atmospheric pressure descends, pressure instrument can detect out leakage quantity, thereby accomplish the leakage test to the throttle valve body, the incomplete problem of detection among the prior art has been solved.

The utility model provides an outer leakage test device of throttle valve body, after accomplishing the test, through opening discharge valve, with the gas escape back in the seal box, open sealed lid again, prevent that high-pressure gas from spouting and cause the injury to the staff.

Drawings

Fig. 1 is a schematic front view of the present invention;

fig. 2 is a sectional view of fig. 1.

In the figure: the device comprises a base plate 1, a sealing box 2, an air pressure sensor 3, a perforation 4, a pressure instrument 5, a throttle valve body 6, an air inlet 7, an air delivery pipe 8, a control valve 9, an adjusting bottle 10, an inflation valve 11, a hose 12, a pressure adjusting valve 13, an air pump 14, an exhaust hole 15, an exhaust pipe 16, an exhaust valve 17, a sealing cover 18, a threaded column 19, a fixing hole 20, a nut 21, a sealing groove 22, a sealing ring 23, a push rod 24 and a universal wheel 25.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1 and 2, a throttle valve body external leakage testing device comprises a bottom plate 1, a seal box 2 is welded on the bottom plate 1, an air pressure sensor 3 is welded on the left side of the seal box 2, the model of the air pressure sensor 3 is 2SMPP-03, a perforation 4 is arranged on the left side of the seal box 2, a pressure instrument 5 is welded at one end of the air pressure sensor 3 penetrating through the perforation 4, the model of the pressure instrument 5 is LFDS630, a throttle valve body 6 is placed in the seal box 2, an air inlet 7 is arranged on the right side of the seal box 2, a gas pipe 8 is welded in the air inlet 7 in a seamless manner, a control valve 9 is welded on the gas pipe 8, the model of the control valve 9 is Q22HD-15, an adjusting bottle 10 is welded at the other end of the gas pipe 8 in a seamless manner, an inflation valve 11 is welded at the bottle mouth of the adjusting bottle 10, the model of the inflation valve 11 is Q22HD, the model of the pressure regulating valve 13 is OR-04, the input end of the pressure regulating valve 13 is connected with an air pump 14 in an interference mode, and the model of the air pump 14 is W-1/30.

Referring to fig. 1 and 2, an exhaust hole 15 is formed in the left side of a seal box 2, an exhaust pipe 16 is welded in the exhaust hole 15 in a seamless manner, an exhaust valve 17 is welded at one end of the exhaust pipe 16, the type of the exhaust valve 17 is Q22HD-15, a seal cover 18 is fixedly connected to one end of the seal box 2 through a threaded column 19 and a nut 21, the threaded column 19 is welded on the seal box 2, a fixing hole 20 is formed in the seal cover 18, the nut 21 is connected to one end, penetrating out of the fixing hole 20, of the threaded column 19, a seal groove 22 is formed in the seal box 2, a seal ring 23 is bonded on the seal cover 18 through resin adhesive, the seal ring 23 is made of soft silica gel, the seal ring 23 is inserted into the seal groove 22, a push rod 24 is welded on a bottom plate 1, a universal wheel 25 is.

The throttle valve body 6 is placed in the seal box 2, the seal cover 18 covers the seal box 2, one end, penetrating out of the fixing hole 20, of the threaded column 19 is locked through the nut 21, the air pump 14 is started again, high pressure is filled into the adjusting bottle 10 through the pressure adjusting valve 13 with a set pressure value through the inflation valve 11, the control valve 9 is opened again, the high pressure in the adjusting bottle is quickly filled into the seal box where the throttle valve body 6 is placed, so that the balanced air pressure reaches the testing pressure of a product, the air pressure sensor 3 senses the air pressure value in the seal box 2, if the air pressure drops, the pressure meter 5 can detect the leakage amount, the leakage test of the throttle valve body 6 is completed, and the problem that detection is incomplete in the prior art is solved. After the test is finished, the exhaust valve 17 is opened, the gas in the seal box 2 is exhausted, and then the seal cover 18 is opened, so that the high-pressure gas is prevented from being sprayed out to cause injury to workers.

Claims

1. The utility model provides an external leakage test device of throttle valve body, includes bottom plate (1), its characterized in that: the bottom plate (1) is provided with a sealing box (2), one side of the sealing box (2) is provided with an air pressure sensor (3), a perforation (4) is arranged on one side of the seal box (2), a pressure instrument (5) is arranged at one end of the air pressure sensor (3) which penetrates through the perforation (4), a throttle valve body (6) is arranged in the seal box (2), an air inlet hole (7) is arranged at one side of the seal box (2), a gas pipe (8) is inserted in the gas inlet (7), a control valve (9) is arranged on the gas pipe (8), the other end of the gas transmission pipe (8) is provided with an adjusting bottle (10), the bottleneck of the adjusting bottle (10) is provided with an inflation valve (11), the input end of the inflation valve (11) is connected with a pressure regulating valve (13) through a hose (12), and one end of the pressure regulating valve (13) is provided with an air pump (14).

2. The external leakage test device for the throttle valve body according to claim 1, characterized in that: one side of seal box (2) is equipped with exhaust hole (15), exhaust pipe (16) are equipped with in exhaust hole (15) interpolation, discharge valve (17) have been installed to the one end of exhaust pipe (16).

3. The external leakage test device for the throttle valve body according to claim 2, characterized in that: sealed lid (18) have been installed to the one end of seal box (2), seal box (2) facial make-up is equipped with screw thread post (19), be equipped with fixed orifices (20) on sealed lid (18), the one end threaded connection that fixed orifices (20) were worn out in screw thread post (19) has nut (21), be equipped with seal groove (22) on seal box (2), sealed lid (18) facial make-up is equipped with sealing ring (23), sealing ring (23) insert in seal groove (22).

4. The external leakage test device for the throttle valve body according to claim 1, characterized in that: the push rod (24) is arranged on the bottom plate (1), and the universal wheel (25) is arranged on the lower surface of the bottom plate (1).