CN210166104U

CN210166104U - Detection apparatus for automobile engine cylinder lid leakproofness

Info

Publication number: CN210166104U
Application number: CN201921298850.9U
Authority: CN
Inventors: 候北峰; 黄涛; 朱诗航; 周福明; 李�杰
Original assignee: Chongyi Bailitong Automobile Service Co Ltd
Current assignee: Chongyi Bailitong Automobile Service Co Ltd
Priority date: 2019-08-12
Filing date: 2019-08-12
Publication date: 2020-03-20
Anticipated expiration: 2029-08-12

Abstract

The utility model discloses a device for detecting the sealing performance of a cylinder cover of an automobile engine, which comprises a device body, wherein the device body comprises a workbench and a barometer I, a sleeve is welded at the bottom of the barometer I, a barometer II is arranged at one side of the sleeve, the barometer II is communicated with the sleeve through a three-way valve, a sucker is arranged at the bottom of the sleeve, the sucker is connected with the outer side of the sleeve through a telescopic pipe, a twisting plate is welded at the bottom of the sleeve, a connecting pipe is welded at the bottom of the twisting plate, the sucker is communicated with the three-way valve through a hose, a one-way valve is arranged at the inner side of the sleeve, a through hole is arranged at one side of the one-way valve, a valve is arranged at one side of the through hole, a clamping groove is arranged at the center of a gear I, a motor is, the sealing device is convenient to use and is suitable for detecting the sealing performance of the cylinder cover of the automobile engine.

Description

Detection apparatus for automobile engine cylinder lid leakproofness

Technical Field

The utility model relates to an engine cylinder lid check out test set technical field specifically is a detection device of automobile engine cylinder lid leakproofness.

Background

In the working process of the engine, the piston movement is high-speed reciprocating movement, higher air pressure is often generated in the working process of the engine, once an air leakage condition of an engine cylinder cover occurs, the performance of the engine is directly reduced, even serious damage is caused, the engine cylinder cover needs to be maintained or repaired after the engine works for a period of time, after the maintenance is completed, the air valve tightness of the engine cylinder cover needs to be further measured on the engine cylinder cover arranged on an engine body, a detection device for the air valve tightness of the engine cylinder cover already exists in the market at present, has the advantages of simple structure, simple and convenient operation, electricity saving, safety, strong adaptability and the like, can meet the detection and use requirements of the air valve tightness of the existing engine cylinder cover, and on the one hand, the detection of the instantaneous air pressure cannot be carried out during the detection of most detection devices for the air valve tightness, and then be unfavorable for carrying out the dynamic verification to the gas tightness of engine cylinder lid, on the other hand, when relying on the barometer to detect cylinder lid leakproofness, lead to the barometer to measure pressure and the inboard instantaneous maximum atmospheric pressure of cylinder to have certain error easily, be unfavorable for the detection to cylinder lid leakproofness, on the other hand, when detecting room leakproofness again, appear because of the circumstances that the check out test set connection is not inseparable and appear leaking gas easily, and then influence and detect the structure.

Therefore, how to design a device for detecting the sealing performance of the cylinder cover of the automobile engine becomes a problem to be solved currently.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a detection device of automobile engine cylinder cap leakproofness to solve the problem that proposes in the above-mentioned background art, the utility model relates to a rationally, it is comparatively convenient during the use, be applicable to the detection of automobile engine cylinder cap leakproofness and use.

In order to achieve the above object, the utility model provides a following technical scheme: the device comprises a device body, wherein the device body comprises a workbench and a first barometer, a sleeve is welded at the bottom of the first barometer, a second barometer is arranged on one side of the sleeve, the second barometer is communicated with the sleeve through a three-way valve, a sucker is arranged at the bottom of the sleeve and is connected with the outer side of the sleeve through a telescopic pipe, a torsion plate is welded at the bottom of the sleeve, a connecting pipe is welded at the bottom of the torsion plate, the sucker is communicated with the three-way valve through a hose, a one-way valve is arranged on the inner side of the sleeve, a through hole is formed in one side of the one-way valve, a valve is arranged on one side of the through hole, a first gear is arranged on the workbench, a clamping groove is formed in the center of the first gear, a rotating shaft is welded at the other side of the first gear, the novel hydraulic oil cylinder is characterized in that a motor is mounted on the workbench through bolts, a gear II is arranged on one side of the motor, a clamping plate and a fixed plate are welded on the workbench, a movable plate is arranged on one side of the fixed plate, a torsion bar is mounted on the fixed plate, a fixed block is welded on the workbench, clamping pins are mounted on the fixed block, a switch is mounted at the top of the workbench through bolts, and a bearing II is clamped on the inner side of the movable plate.

As a preferred embodiment of the present invention, the switch is connected to the motor through an electric wire, the second gear is welded to the output shaft of the motor, and the first gear is engaged with the second gear.

As a preferred embodiment of the present invention, the torsion bar is provided with a first external thread, the fixing plate is provided with a first opening, the first internal thread is provided in the first opening, and the first internal thread is matched with the first external thread.

As the utility model discloses a preferred embodiment, opening two has been seted up on the fixed block, internal thread two has been seted up in opening two, external screw thread two has been seted up in the outside of bayonet lock, internal thread two cooperatees with external screw thread two, the bayonet lock cooperatees with gear one.

As a preferred embodiment of the utility model, the cardboard sets up in one side of gear one, the bottom welding of bearing one is at the top of workstation.

As an optimal implementation mode of the utility model, all seted up opening three on sleeve pipe and the check valve, the valve passes opening three and extends to the inboard of through-hole.

As a preferred embodiment of the present invention, one end of the torsion bar is mounted on the inner side of the movable plate through the second bearing, and the suction cup is disposed on the outer side of the torsion bar.

The utility model has the advantages that: the utility model discloses a detection apparatus for automobile engine cylinder cap leakproofness, including workstation, barometer one, sleeve pipe, barometer two, three-way valve, sucking disc, flexible pipe, turn round board, hose, connecting pipe, check valve, through-hole, valve, gear one, draw-in groove, pivot, bearing one, motor, gear two, cardboard, fixed plate, fly leaf, torsion bar, fixed block, bayonet lock, switch, bearing two.

1. According to the device for detecting the sealing performance of the automobile engine cylinder cover, due to the fact that the barometer I, the sleeve, the torsion plate, the connecting pipe, the one-way valve, the gear I, the motor and the gear II are arranged, the sealing performance of the engine cylinder cover in an active state can be effectively detected, and therefore the engine cylinder cover can be guaranteed to have higher sealing performance under the running condition of an engine, and the reliability of a detection structure is guaranteed.

2. According to the detection device for the sealing performance of the cylinder cover of the automobile engine, due to the fact that the air pressure gauge I, the sleeve, the air pressure gauge II, the three-way valve, the torsion plate and the connecting pipe are arranged, an error value can be effectively detected, further, when the sealing performance is detected, the actual air pressure can be calculated, and the accuracy of a detection result is guaranteed.

3. This detection device of automobile engine cylinder cap leakproofness owing to be provided with barometer two, three-way valve, sucking disc, flexible pipe, turn round board, hose and connecting pipe, can effectually detect out whether check out test set is connected closely with the cylinder cap, avoids leading to the detection error because of the inseparable gas leakage of check out test set connection, ensures the accuracy that detects the structure.

4. The detection device for the sealing performance of the cylinder cover of the automobile engine is reasonable in design, high in efficiency and safe in use, and suitable for detecting the sealing performance of the cylinder cover of the automobile engine.

Drawings

Fig. 1 is a schematic structural diagram of a first barometer of the device for detecting the sealing performance of the cylinder cover of the automobile engine of the present invention;

fig. 2 is a schematic structural view of a workbench of the device for detecting the sealing performance of the cylinder head of the automobile engine of the present invention;

fig. 3 is a cross-sectional view of a first barometer of the device for detecting the sealing performance of the cylinder cover of the automobile engine of the utility model;

fig. 4 is a cross-sectional view of a check valve of the device for detecting the sealing performance of the cylinder head of the automobile engine of the present invention;

fig. 5 is a schematic working diagram of the device for detecting the sealing performance of the cylinder head of the automobile engine of the present invention;

in the figure: 1-workbench, 2-barometer I, 3-sleeve, 4-barometer II, 5-three-way valve, 6-sucker, 7-telescopic pipe, 8-torsion plate, 9-hose, 10-connecting pipe, 11-one-way valve, 12-through hole, 13-valve, 14-gear I, 15-clamping groove, 16-rotating shaft, 17-bearing I, 18-motor, 19-gear II, 20-clamping plate, 21-fixing plate, 22-movable plate, 23-torsion bar, 24-fixing block, 25-clamping pin, 26-switch and 27-bearing II.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 to 5, the present invention provides a technical solution: the detection device for the sealing performance of the cylinder cover of the automobile engine comprises a device body, wherein the device body comprises a workbench 1 and a barometer I2, a sleeve 3 is welded at the bottom of the barometer I2, a barometer II 4 is arranged on one side of the sleeve 3, the barometer II 4 is communicated with the sleeve 3 through a three-way valve 5, a sucker 6 is arranged at the bottom of the sleeve 3, the sucker 6 is connected with the outer side of the sleeve 3 through a telescopic pipe 7, a torsion plate 8 is welded at the bottom of the sleeve 3, a connecting pipe 10 is welded at the bottom of the torsion plate 8, the sucker 6 is communicated with the three-way valve 5 through a hose 9, a check valve 11 is arranged on the inner side of the sleeve 3, a through hole 12 is formed in one side of the check valve 11, a valve 13 is arranged on one side of the through hole 12, a gear I14 is arranged on the workbench 1, and, the utility model discloses a hydraulic pressure welding machine, including workstation 1, workstation 21, fixed plate 21, clamping plate 20, fixed plate 22, torsion bar 23 is installed to the fixed plate 21, the welding has fixed block 24 on the workstation 1, install bayonet lock 25 on the fixed block 24, switch 26 is installed through the bolt in the top of workstation 1, the inboard card of movable plate 22 has bearing two 27, install motor 18 through the bolt on the workstation 1, one side of motor 18 is provided with gear two 19, the welding has cardboard 20 and fixed plate 21 on the workstation 1, one side of fixed plate 21 is provided with movable plate 22, the last torsion bar 23 that installs of fixed plate 21, the welding has fixed block 24 on the workstation 1, install bayonet.

As a preferred embodiment of the present invention, the switch 26 is connected to the motor 18 through an electric wire, the second gear 19 is welded to the output shaft of the motor 18, and the first gear 14 is engaged with the second gear 19.

As a preferred embodiment of the present invention, an external thread one has been provided on the torsion bar 23, an opening one has been provided on the fixing plate 21, an internal thread one has been provided in the opening one, the internal thread one matches with the external thread one.

As a preferred embodiment of the utility model, opening two has been seted up on the fixed block 24, internal thread two has been seted up in opening two, external screw thread two has been seted up in the outside of bayonet lock 25, internal thread two and external screw thread two-phase cooperation, bayonet lock 25 cooperatees with gear one 14.

As a preferred embodiment of the present invention, the clamping plate 20 is disposed on one side of the first gear 14, and the bottom of the first bearing 17 is welded to the top of the workbench 1.

As a preferred embodiment of the present invention, the sleeve 3 and the check valve 11 are both provided with the third opening, and the valve 13 passes through the third opening and extends to the inner side of the through hole 12.

As a preferred embodiment of the present invention, one end of the torsion bar 23 is mounted on the inner side of the movable plate 22 through a second bearing 27, and the suction cup 6 is disposed on the outer side of the torsion plate 8.

The working principle is as follows: the device for detecting the tightness of the cylinder cover of the automobile engine supplies electric energy to all electric equipment through an external power supply, the specification of a connecting pipe 10 is the same as that of a spark plug, the engine after maintenance is placed on a workbench 1, a transmission rod of the engine is clamped in a clamping groove 15, a torsion bar 23 is rotated, a movable plate 22 and a clamping plate 20 fix the engine, the spark plug is screwed off, a switch 26 is turned on, a motor 18 is meshed with a first gear 14 through a second gear 19, the first gear 14 drives the transmission rod of the engine to rotate through the clamping groove 15, a piston is driven to move in the engine cylinder at a high speed, carbon deposition or oil stain in the engine cylinder can be effectively discharged, the switch 26 is turned off, when the piston moves to the outermost side, a clamping pin 25 is screwed to fix the first gear 14, the connecting pipe 10 is screwed into a spark plug connecting port, the torsion bar 8 is screwed by a wrench to tightly connect the connecting, sucking a sucking disc 6 outside an engine cylinder, rotating a three-way valve 5 to enable a barometer II 4 to be communicated with a sleeve 3 through the three-way valve 5, then unscrewing a bayonet 25, manually rotating a gear I14 to enable a piston to move inwards step by step, fixing the gear I14 through the bayonet 25, recording numerical values of a barometer I2 and a barometer II 4, further obtaining a difference value between the barometer I2 and the barometer II 4, further calculating an error value detected by the barometer I2, effectively detecting the error value, further calculating actual air pressure during tightness detection, ensuring accuracy of a detection result, then rotating the three-5-way valve to enable a hose 9 to be communicated with the barometer II 4, turning on a motor 18 through a switch 26, driving the piston to reciprocate at a high speed through the gear II 19 and the gear I14 by the motor 18, and further preventing a small amount of air in the cylinder from returning after entering the top of the sleeve 3 through a one-way valve 11, and then make barometer 2 can detect the produced maximum air pressure value of piston when compressed air, and compare with other cylinder bodies and standard value, can effectively detect the leakproofness of engine cylinder lid under the active condition, and then can ensure that the engine cylinder lid can have higher leakproofness under the engine running condition, guarantee the reliability of detecting the structure, when motor 18 drives the piston motion, if barometer two 4 takes place to deflect, it is not inseparable to explain connecting pipe 10 and spark plug interface connection, need reconnect, or change connecting pipe 110, whether inseparable is connected with the cylinder lid to effectual detection equipment that detects, avoid leading to the detection error because of the inseparable gas leakage of detection equipment connection, guarantee the accuracy of detecting the structure.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a detection apparatus for automobile engine cylinder lid leakproofness, includes the device body, its characterized in that: the device body comprises a workbench (1) and a barometer (2), a sleeve (3) is welded at the bottom of the barometer (2), a barometer two (4) is arranged on one side of the sleeve (3), the barometer two (4) is communicated with the sleeve (3) through a three-way valve (5), a sucker (6) is arranged at the bottom of the sleeve (3), the sucker (6) is connected with the outer side of the sleeve (3) through a telescopic pipe (7), a torsion plate (8) is welded at the bottom of the sleeve (3), a connecting pipe (10) is welded at the bottom of the torsion plate (8), the sucker (6) is communicated with the three-way valve (5) through a hose (9), a one-way valve (11) is arranged on the inner side of the sleeve (3), a through hole (12) is formed in one side of the one-way valve (11), a valve (13) is arranged on one side of the through hole (, a first gear (14) is arranged on the workbench (1), a clamping groove (15) is formed in the center of the first gear (14), a rotating shaft (16) is welded on the other side of the first gear (14), a first bearing (17) is sleeved on the outer side of the rotating shaft (16), a motor (18) is arranged on the workbench (1) through a bolt, a second gear (19) is arranged on one side of the motor (18), a clamping plate (20) and a fixing plate (21) are welded on the workbench (1), a movable plate (22) is arranged on one side of the fixed plate (21), a torsion bar (23) is arranged on the fixed plate (21), a fixed block (24) is welded on the workbench (1), a bayonet (25) is installed on the fixed block (24), a switch (26) is installed at the top of the workbench (1) through a bolt, and a second bearing (27) is clamped on the inner side of the movable plate (22).

2. The device for detecting the sealing performance of the cylinder head of the automobile engine according to claim 1, is characterized in that: the switch (26) is connected with the motor (18) through an electric wire, the second gear (19) is welded on an output shaft of the motor (18), and the first gear (14) is meshed with the second gear (19).

3. The device for detecting the sealing performance of the cylinder head of the automobile engine according to claim 1, is characterized in that: the torsion bar (23) is provided with a first external thread, the fixing plate (21) is provided with a first through hole, a first internal thread is arranged in the first through hole, and the first internal thread is matched with the first external thread.

4. The device for detecting the sealing performance of the cylinder head of the automobile engine according to claim 1, is characterized in that: the fixed block (24) is provided with a second through hole, a second internal thread is formed in the second through hole, a second external thread is formed in the outer side of the clamping pin (25), the second internal thread is matched with the second external thread, and the clamping pin (25) is matched with the first gear (14).

5. The device for detecting the sealing performance of the cylinder head of the automobile engine according to claim 1, is characterized in that: the clamping plate (20) is arranged on one side of the first gear (14), and the bottom of the first bearing (17) is welded to the top of the workbench (1).

6. The device for detecting the sealing performance of the cylinder head of the automobile engine according to claim 1, is characterized in that: all seted up opening three on sleeve pipe (3) and check valve (11), valve (13) pass opening three and extend to the inboard of through-hole (12).

7. The device for detecting the sealing performance of the cylinder head of the automobile engine according to claim 1, is characterized in that: one end of the torsion bar (23) is mounted on the inner side of the movable plate (22) through a second bearing (27), and the sucker (6) is arranged on the outer side of the torsion plate (8).