CN211452736U - Shell air tightness detection device of automobile silencer - Google Patents
Shell air tightness detection device of automobile silencer Download PDFInfo
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- CN211452736U CN211452736U CN201922028659.9U CN201922028659U CN211452736U CN 211452736 U CN211452736 U CN 211452736U CN 201922028659 U CN201922028659 U CN 201922028659U CN 211452736 U CN211452736 U CN 211452736U
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Abstract
The utility model discloses a device for detecting the air tightness of a shell of an automobile silencer, which relates to the technical field of the production and processing of the automobile silencer and comprises a bottom plate, the bottom plate is provided with two parallel supporting plates, the two supporting plates are respectively provided with an air cylinder, piston rods of the two air cylinders are respectively provided with a buffer device, wherein one of the buffer devices is provided with a first positioning column, the other buffer device is provided with a pressure sensor, a first positioning groove is arranged on the first positioning column, a second positioning column is arranged on the pressure sensor, a second positioning groove is arranged on the second positioning column, rubber pads are respectively arranged at the bottom of the first positioning groove and the bottom of the second positioning groove, the first positioning groove of the first positioning column is connected with a water supply device, and the water supply device is used for injecting water into the first positioning groove; the utility model has the advantages of convenient use, good detection effect and the like.
Description
Technical Field
The utility model relates to a technical field of automobile muffler production and processing, in particular to shell gas tightness detection device of automobile muffler.
Background
The automobile silencer is mainly used for reducing the noise generated when an engine of a motor vehicle works, and the principle is that an automobile exhaust pipe is composed of two pipelines with different lengths, the two pipelines are separated and then intersected, and the length difference value of the two pipelines is equal to half of the wavelength of sound waves emitted by an automobile, so that two rows of sound waves are interfered to be mutually offset when being superposed to weaken the sound intensity, the transmitted sound is reduced, and the silencing effect is achieved.
Automobile silencer mainly is used for carrying out the amortization to automobile engine spun gas, and the muffler need carry out the gas tightness experiment to the muffler casing when manufacturing, because the muffler casing will produce the noise in case of appearing leaking gas, and current detection mode all is that the workman plugs up the business turn over gas port of muffler, then puts into the aquatic observation with the muffler and whether has the bubble, and this kind of mode detection effect is relatively poor, and the hole of small bore can't be found.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a shell gas tightness detection device of car muffler is provided for solve the poor problem of muffler gas tightness detection effect among the prior art of description in the background art.
In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a shell gas tightness detection device of automobile muffler, includes the bottom plate, be provided with two backup pads that are parallel to each other, two on the bottom plate be provided with the cylinder in the backup pad respectively, two be provided with buffer on the piston rod of cylinder respectively, one of them be provided with first constant head tank, another be provided with pressure sensor on the buffer, be provided with first constant head tank on the first constant head tank, the last second reference column that is provided with of pressure sensor, be provided with the second constant head tank on the second reference column, the bottom in first constant head tank and the bottom of second constant head tank are provided with the rubber pad respectively, the first constant head tank and the water supply installation of first constant head tank are connected, and this water supply installation is used for giving first constant head tank water injection.
Preferably: buffer is including setting up the locating plate on the piston rod of pneumatic cylinder, be provided with a plurality of guide posts and a plurality of spring on the locating plate, the outer wall of guide post is located to the spring housing, the one end that the locating plate was kept away from to the guide post is connected with the push pedal, push pedal and spring coupling, and first locating post is connected with a push pedal, and pressure sensor is connected with another push pedal.
Preferably: the water supply device comprises a water tank arranged on the bottom plate and a water inlet pipe arranged on the first positioning column, one end of the water inlet pipe is communicated with the water pump through a water pipe, the other end of the water inlet pipe extends into the first positioning groove and penetrates through the rubber pad, and the water pump is arranged in the water tank.
Preferably: the rubber pad is made of elastic rubber materials.
Preferably: the electric cabinet is arranged on the bottom plate, the PLC controller and the control panel are arranged in the electric cabinet, and the PLC controller is respectively electrically connected with the control panel, the air cylinder, the water pump and the pressure sensor.
The beneficial effect of adopting above technical scheme is:
this application plugs up the intake pipe and the outlet duct of muffler through first reference column and second reference column, then exerts pressure through the cylinder and prevents to leak water, through the size of the pressure that pressure sensor perception cylinder exerted, prevents that too big or the undersize of pressure, through to the injected water in the muffler casing, observes whether the muffler welding department leaks to this judges whether leaks gas.
Drawings
Fig. 1 is a front view of the device for detecting airtightness of a housing of an automobile muffler of the present invention.
Wherein: the water supply device comprises a bottom plate 10, a supporting plate 20, a cylinder 30, a buffer device 40, a positioning plate 41, a spring 42, a push plate 43, a guide column 44, a pressure sensor 50, a first positioning column 60, a first positioning groove 61, a second positioning column 70, a second positioning groove 71, a water supply device 80, a water pool 81, a water pump 82, a water pipe 83, a water inlet pipe 84, a rubber pad 90 and an electric cabinet 100.
Detailed Description
Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Example, as shown in fig. 1, in the present example, an apparatus for detecting airtightness of a housing of a muffler for an automobile, includes a base plate 10, the bottom plate 10 is provided with two parallel supporting plates 20, the two supporting plates 20 are respectively provided with an air cylinder 30, piston rods of the two air cylinders 30 are respectively provided with a buffer device 40, wherein, a first positioning column 60 is arranged on one of the buffer devices 40, a pressure sensor 50 is arranged on the other buffer device 40, the first positioning column 60 is provided with a first positioning groove 61, the pressure sensor 60 is provided with a second positioning column 70, the second positioning column 70 is provided with a second positioning groove 71, the bottom of the first positioning groove 61 and the bottom of the second positioning groove 71 are respectively provided with a rubber pad 90, the first positioning groove 61 of the first positioning column 60 is connected with a water supply device 80, and the water supply device 80 is used for filling water into the first positioning groove 61.
Preferably: buffer 40 is including setting up locating plate 41 on the piston rod of pneumatic cylinder 30, be provided with a plurality of guide posts 44 and a plurality of spring 42 on the locating plate 41, the outer wall of guide post 44 is located to the spring 42 cover, the one end that locating plate 41 was kept away from to guide post 44 is connected with push pedal 43, push pedal 43 is connected with spring 42, and first locating post 60 is connected with a push pedal 43, and pressure sensor 50 is connected with another push pedal 43.
Preferably: the water supply device 80 comprises a water pool 81 arranged on the bottom plate 10 and a water inlet pipe 84 arranged on the first positioning column 61, one end of the water inlet pipe 84 is communicated with the water pump 82 through a water pipe 83, the other end of the water inlet pipe 84 extends into the first positioning groove 61 and penetrates through the rubber pad 90, and the water pump 82 is arranged in the water pool 81.
Preferably: the rubber pad 90 is made of an elastic rubber material.
Preferably: the electric cabinet 100 is arranged on the bottom plate 10, the PLC controller and the control panel are arranged in the electric cabinet 100, and the PLC controller is electrically connected with the control panel, the air cylinder 30, the water pump 82 and the pressure sensor 50 respectively.
The specific implementation manner of this embodiment:
when the silencer is used, firstly, the air inlet pipe and the air outlet pipe of the silencer respectively face to the first positioning groove 61 of the first positioning column 60 and the second positioning groove 71 of the second positioning column 70, then the air cylinder 30 is started, the air cylinder 30 drives the positioning plate 41 to move, the positioning plate 41 drives the spring 42 to move, the spring 42 drives the first positioning column 60 and the second positioning column 70 to move, the air inlet pipe and the air outlet pipe respectively enter the first positioning groove 61 and the second positioning groove 62, the air inlet pipe and the air outlet pipe are initially blocked by two rubber pads 90 due to jacking, then the water pump 82 is started, the water pump 82 injects water into the silencer through the water pipe 83, as the silencer is blocked, the water enters the silencer, the air pressure in the silencer can push the first positioning column 60 and the second positioning column 70 open, the small seam supplies air to flow out, when a large amount of water flows out from the first positioning groove 61 and the second positioning groove 71, the silencer is filled with water, then the water pump 82 is turned off, the air cylinder 30 is started again at the same time, so that the air cylinder 30 clamps the first positioning column 60 and the second positioning column 70 tightly through the buffer device 40 until the set value of the pressure sensor 50 is reached, then the water pump 82 is started again, a certain amount of water is injected into the silencer, at the moment, the water pressure cannot push away the first positioning column 60 and the second positioning column 70, then the surface of the silencer is wiped by using dry cleaning cloth, and whether water flows out is observed.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and improvements can be made without departing from the inventive concept, and all of them belong to the protection scope of the present invention.
Claims (5)
1. The utility model provides a shell gas tightness detection device of automobile muffler, includes the bottom plate, its characterized in that: the bottom plate is provided with two supporting plates which are parallel to each other, the supporting plates are respectively provided with an air cylinder, the piston rods of the air cylinders are respectively provided with a buffer device, one of the buffer devices is provided with a first positioning column, the other buffer device is provided with a pressure sensor, the first positioning column is provided with a first positioning groove, the pressure sensor is provided with a second positioning column, the second positioning column is provided with a second positioning groove, the bottom of the first positioning groove and the bottom of the second positioning groove are respectively provided with a rubber pad, the first positioning groove of the first positioning column is connected with a water supply device, and the water supply device is used for injecting water into the first positioning groove.
2. The apparatus for detecting airtightness of an outer casing of an automobile muffler according to claim 1, wherein: buffer is including setting up the locating plate on the piston rod of pneumatic cylinder, be provided with a plurality of guide posts and a plurality of spring on the locating plate, the outer wall of guide post is located to the spring housing, the one end that the locating plate was kept away from to the guide post is connected with the push pedal, push pedal and spring coupling, and first locating post is connected with a push pedal, and pressure sensor is connected with another push pedal.
3. The apparatus for detecting airtightness of an outer casing of an automobile muffler according to claim 2, wherein: the water supply device comprises a water tank arranged on the bottom plate and a water inlet pipe arranged on the first positioning column, one end of the water inlet pipe is communicated with the water pump through a water pipe, the other end of the water inlet pipe extends into the first positioning groove and penetrates through the rubber pad, and the water pump is arranged in the water tank.
4. The device for detecting airtightness of an outer casing of an automobile muffler according to claim 3, wherein: the rubber pad is made of elastic rubber materials.
5. The device for detecting airtightness of an outer casing of an automobile muffler according to claim 4, wherein: the electric cabinet is arranged on the bottom plate, the PLC controller and the control panel are arranged in the electric cabinet, and the PLC controller is respectively electrically connected with the control panel, the air cylinder, the water pump and the pressure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922028659.9U CN211452736U (en) | 2019-11-22 | 2019-11-22 | Shell air tightness detection device of automobile silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922028659.9U CN211452736U (en) | 2019-11-22 | 2019-11-22 | Shell air tightness detection device of automobile silencer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211452736U true CN211452736U (en) | 2020-09-08 |
Family
ID=72298657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922028659.9U Active CN211452736U (en) | 2019-11-22 | 2019-11-22 | Shell air tightness detection device of automobile silencer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211452736U (en) |
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2019
- 2019-11-22 CN CN201922028659.9U patent/CN211452736U/en active Active
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