CN210487398U

CN210487398U - Used automobile inspection waste gas sampling device of car pipe

Info

Publication number: CN210487398U
Application number: CN201921235096.4U
Authority: CN
Inventors: 罗丽娜
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-01
Filing date: 2019-08-01
Publication date: 2020-05-08
Anticipated expiration: 2029-08-01

Abstract

The utility model provides an used automobile inspection waste gas sampling device of car pipe. Used automobile inspection waste gas sampling device of car pipe includes: a sleeve; clamping device, clamping device set up in telescopic inside, clamping device includes two arc splint, the top fixedly connected with connecting rod of arc splint, the surface of connecting rod just is located one side of sleeve inner wall with first spring has been cup jointed between the relative one side of arc splint. The utility model provides a the utility model provides an used automobile inspection waste gas sampling device of car pipe through setting up clamping device for the device can be according to the size of different automobile exhaust pipe diameters moderate can keep in close contact with the blast pipe, the problem of gas leakage can not appear when collecting waste gas, has improved the practicality of device, through setting up the protection pad, can play the guard action when two arc splint press from both sides tight blast pipes, avoids damaging the blast pipe.

Description

Used automobile inspection waste gas sampling device of car pipe

Technical Field

The utility model relates to an automotive equipment field especially relates to an used automobile inspection waste gas sampling device of car pipe.

Background

The automobile exhaust gas monitoring refers to the analysis and measurement of exhaust gas discharged when an automobile is in an idle speed or working condition state on site or on an automobile running test bed. The monitoring items mainly comprise carbon monoxide, nitrogen oxides, hydrocarbons, photochemical oxidants, smoke intensity and the like. A large amount of harmful waste gas discharged by gasoline or diesel oil burned during the running of an automobile is a main flowing pollution source polluting the atmosphere of the environment, and the monitoring of automobile exhaust is an important component part of the monitoring of the atmosphere pollution.

Along with the improvement gradually of people's standard of living, more and more people all possess the car, along with the quantity of car increases, the exhaust waste gas of car is also more and more, seriously influence people's living environment, the exhaust-gas treatment of car is also especially important, at first need use sampling device to collect waste gas in exhaust-gas treatment, then take out the detection and analysis, because the diameter size of the blast pipe of different cars is not all the same, and current sampling device's sleeve diameter is fixed, can not adapt to the size of different car blast pipes, make the problem of gas leakage appear when collecting waste gas.

Therefore, it is necessary to provide a sampling device for detecting exhaust gas of a vehicle for a vehicle pipe to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides an used automobile inspection waste gas sampling device of car pipe, the sleeve diameter of having solved current sampling device is fixed, can not adapt to different automobile exhaust pipe's size for can appear the question of gas leakage when collecting waste gas.

In order to solve the technical problem, the utility model provides a pair of used automobile inspection waste gas sampling device of car pipe, include:

a sleeve;

the clamping device is arranged inside the sleeve and comprises two arc-shaped clamping plates, a connecting rod is fixedly connected to the tops of the arc-shaped clamping plates, a first spring is sleeved between one side of the inner wall of the sleeve, which is located on the surface of the connecting rod, opposite to the arc-shaped clamping plates, and one side of each of the two arc-shaped clamping plates, which is opposite to the arc-shaped clamping plate, is rotatably connected with a rotating rod, one end of each rotating rod is rotatably connected with a moving rod, one end of each moving rod penetrates through one side of the inner wall of the sleeve and extends to the outside of the sleeve, a button is fixedly connected with one end of each moving rod, a second spring is sleeved between the sleeve and the side of each moving rod, which is opposite to the button, on the surface of each moving rod, a protection pad is arranged on one side of;

the contraction hole is formed in the inner wall of the sleeve;

the collecting device, the collecting device set up in telescopic right side, the collecting device includes the collecting pipe, the left end fixedly connected with sealing block of collecting pipe, the inside of sealing block is provided with the sealing plug, the top fixedly connected with observation tube on collecting pipe surface, it is located to observe its bottom of inside sliding connection of inside pipe wall the collecting pipe has the position-finding piece, the circular arc draw-in groove has all been seted up to the top and the bottom on sealing block surface.

Preferably, a placing groove is formed in the right end of the sleeve, sliding grooves are communicated with the top and the bottom of the inner surface of the placing groove, arc-shaped clamping blocks are connected to two sides of the inner surface of the sliding grooves in a sliding mode, and a third spring is arranged between one side of each arc-shaped clamping block and the side, opposite to the corresponding sliding groove, of the corresponding sliding groove.

Preferably, just be located between sleeve inner wall top and the bottom the right side fixedly connected with baffle of arc splint, the round hole has been seted up in the left side of baffle, the left side of baffle just is located the spacing groove has all been seted up to the both sides of round hole.

Preferably, the right side of the baffle is communicated with an air guide tube, the right end of the air guide tube is communicated with an air guide needle, and the right end of the air guide needle sequentially penetrates through the right side of the inner wall of the sleeve and the left side of the sealing plug and extends into the collecting tube.

Preferably, the number of the connecting rods and the number of the contraction holes are eighteen, the connecting rods correspond to the positions of the contraction holes one by one, and the surfaces of the connecting rods are in sliding connection with the inner surfaces of the contraction holes.

Preferably, the clamping device is located on the left side of the inner wall of the sleeve, and the two sliding blocks are located on two sides of the arc-shaped clamping plate respectively.

Preferably, the surface of the observation tube is provided with scale marks, and the position measuring sheet is a circular thin sheet.

Compared with the prior art, the utility model provides a pair of used automobile inspection waste gas sampling device of car pipe has following beneficial effect:

the utility model provides an used automobile inspection waste gas sampling device of car pipe, through setting up clamping device, make the device can be according to the moderate closely contacting with the blast pipe that can keep of size of different automobile exhaust pipe diameters, gas leakage's problem can not appear when collecting waste gas, the practicality of device has been improved, through setting up the protection pad, can play the guard action when two arc splint press from both sides tight blast pipe, avoid damaging the blast pipe, through setting up collection device, can collect waste gas, at the in-process of collecting, through observing pipe and position finding piece cooperation setting, can judge what of collecting waste gas in the collecting pipe through the position of observing the position finding piece, structural design is simple, and is convenient and practical.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of an automobile exhaust gas sampling device for a vehicle pipe according to the present invention;

FIG. 2 is a schematic view of the interior of FIG. 1;

FIG. 3 is a schematic view showing the internal structure of the clamping device shown in FIG. 1;

fig. 4 is an enlarged view of the portion a shown in fig. 2.

Reference numbers in the figures: 1. the sleeve, 2, clamping device, 201, arc splint, 202, the connecting rod, 203, first spring, 204, the dwang, 205, the carriage release lever, 206, the button, 207, the second spring, 208, the protection pad, 209, the slider, 3, the shrink-hole, 4, collection device, 401, the collecting pipe, 402, sealed piece, 403, the sealing plug, 404, the observation tube, 405, the position measuring piece, 406, the circular arc draw-in groove, 5, the standing groove, 6, the spout, 7, the circular arc fixture block, 8, the third spring, 9, the baffle, 10, the round hole, 11, the spacing groove, 12, the air duct, 13, the air guide syringe needle.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2, fig. 3 and fig. 4, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of an automobile exhaust gas sampling device for a vehicle pipe according to the present invention; FIG. 2 is a schematic view of the interior of FIG. 1; FIG. 3 is a schematic view showing the internal structure of the clamping device shown in FIG. 1; fig. 4 is an enlarged schematic view of a portion a shown in fig. 1. An automobile exhaust gas sampling device for a vehicle pipe comprises:

the sleeve 1 is a cylinder made of plastic materials, and is high in hardness and friction-resistant in surface;

clamping device 2, clamping device sets up in the inside of sleeve 1, clamping device 2 sets up the leftmost end of sleeve 1 inner wall, clamping device 2 includes two arc splint 201, two the cambered surface of arc splint 201 is towards sleeve 1 axle center department, when collecting waste gas, two arc splint 201 can with the blast pipe closely laminates, the top fixedly connected with connecting rod 202 of arc splint 201, the surface of connecting rod 202 just is located one side of sleeve 1 inner wall and has cup jointed first spring 203 between the relative one side of arc splint 201, extrudees through arc splint 201 first spring 203 makes arc splint 201 have elasticity, can keep closely laminating throughout with the blast pipe, two the relative one side of arc splint 201 all rotates and is connected with dwang 204, the one end of dwang 204 rotates and is connected with carriage release lever 205, just one end of the moving rod 205 runs through one side of the inner wall of the sleeve 1 and extends to the outside of the sleeve 1, one end of the moving rod 205 is fixedly connected with a button 206, the length of the moving rod 205 is set, when the moving rod 205 extends to the inside of the sleeve 1 completely, two rotating rods 204 just keep a vertical state, before the installation of the device and the exhaust pipe, the moving rod 205 and the two rotating rods 204 are driven to move by simultaneously pressing the two buttons 206, finally the two arc-shaped clamping plates 201 extend outwards, the exhaust pipe is conveniently extended to the inside of the sleeve 1, a second spring 207 is sleeved on the surface of the moving rod 205 and located between the sleeve 1 and one side opposite to the button 206, a protection pad 208 is arranged on one side of the arc-shaped clamping plate 201, and the protection pad 208 is made of rubber, the elasticity is good, the exhaust pipe can be protected from being damaged when being clamped, and the right side of the arc-shaped clamping plate 201 is fixedly connected with two sliding blocks 209;

the contraction hole 3 is formed in the inner wall of the sleeve 1, and the contraction hole 3 is matched with the connecting rod 202;

the collecting device 4 is arranged on the right side of the sleeve 1, the collecting device 4 comprises a collecting pipe 401, the collecting pipe 401 can be made of glass or plastic, a sealing block 402 is fixedly connected to the left end of the collecting pipe 401, a sealing plug 403 is arranged inside the sealing block 402, the sealing plug 403 is made of rubber, a round hole is formed in the middle position of the sealing block, the air guide needle 13 penetrates through the sealing block 402 through the round hole when waste gas is collected, the whole collecting device 4 can be directly pulled out after collection is completed, the round hole in the sealing plug 403 can automatically shrink at the moment, the whole collecting pipe 401 is in a sealed state, an observation pipe 404 is fixedly connected to the top of the surface of the collecting pipe 401, and a position measuring sheet 405 is slidably connected to the bottom of the inner wall of the observation pipe 404, which is located inside the collecting pipe 401, the bottom of observation tube 404 is provided with the spout, the both sides of position finding piece 405 and this spout sliding connection for position finding piece 405 can move along with the increase of the waste gas volume in the collecting pipe 401, judge the volume of collecting gas through the position that position finding piece 405 removed, circular arc draw-in groove 406 has all been seted up to the top and the bottom on sealed piece 402 surface.

The right end of the sleeve 1 is provided with a placing groove 5, the placing groove 5 is adapted to the sealing block 402, when the collecting device 4 is installed, the sealing block 402 is directly aligned to the placing groove 5, so that the sealing block and the placing groove are tightly attached, the top and the bottom of the inner surface of the placing groove 5 are both communicated with a sliding groove 6, two sides of the inner surface of the sliding groove 6 are slidably connected with arc fixture blocks 7, a third spring 8 is arranged between one side of each arc fixture block 7 and the side opposite to the sliding groove 6, the arc fixture blocks 7 are adapted to the arc clamping grooves 406, the collecting device 4 can be fixed on the right side of the sleeve 1 through the arc fixture blocks 7 and the arc clamping grooves 406, and the arc fixture blocks 7 and the arc clamping grooves 406 are simultaneously provided in an arc shape, so that the collecting pipe 401 can be directly pulled when the collecting device 4 is disassembled, it is convenient to separate it from the sleeve 1.

Just be located between 1 inner wall top of sleeve and the bottom arc splint 201's right side fixedly connected with baffle 9, baffle 9 is for the extension amount of control blast pipe, is convenient for collect waste gas, round hole 10 has been seted up in the left side of baffle 9, the left side of baffle 9 just is located spacing groove 11 has all been seted up to the both sides of round hole 10, and waste gas passes through round hole 10 flows into in the air duct 12, spacing groove 11 be with slider 209's both sides sliding connection can increase two arc splint 201 stability when removing.

The right side of baffle 9 communicates with air duct 12, the right-hand member of air duct 12 communicates with air guide needle 13, just the right-hand member of air guide needle 13 runs through in proper order the right side of the inner wall of sleeve 1 and the left side of sealing plug 403 and extend to the inside of collecting pipe 401, air guide needle 13 with air duct 12 is the plastics material, air guide needle 13 runs through sealing plug 403 to carry waste gas to in the collecting pipe 401.

The number of the connecting rods 202 and the number of the contraction holes 3 are eighteen, the positions of the contraction holes 3 of the connecting rods 202 are in one-to-one correspondence, the number of the connecting rods 202 and the number of the contraction holes 3 can be changed as required, and the surface of the connecting rod 202 is slidably connected with the inner surface of the contraction hole 3.

The clamping device 2 is located on the left side of the inner wall of the sleeve 1, and the two sliding blocks 209 are located on two sides of the arc-shaped clamping plate 201 respectively.

The surface of the observation tube 404 is provided with scale marks, the volume of the waste gas collected in the collecting tube 401 is judged according to the position of the position measuring sheet 405 on the scale marks, and the position measuring sheet 405 is a circular thin sheet, is light in weight and can move along with the increase of the volume of the gas.

The utility model provides a pair of used automobile inspection waste gas sampling device of car pipe's theory of operation as follows:

when waste gas is collected, whether the device is damaged or not is determined firstly, sampling collection is started after all the devices are normal is determined, the buttons 206 on two sides of the sleeve 1 are pressed firstly, the moving rod 205 drives the rotating rod 205 to move, the two arc-shaped clamping plates 201 start to move in opposite directions until one side of the button 206 is attached to the surface of the sleeve 1, at the moment, the sleeve can be sleeved with the exhaust pipe of an automobile, when the sleeve 1 is sensed to be incapable of moving forwards continuously, the sleeve 1 can be stopped moving forwards, then the two buttons 206 are informed to be pressed, finally, the protection pads 208 on the two arc-shaped clamping plates 201 are closely attached to the surface of the exhaust pipe, due to the diameter of the exhaust pipe, the two arc-shaped clamping plates 201 are subjected to opposite extrusion force of the exhaust pipe while clamping the exhaust pipe, and the distance between the two arc-shaped clamping plates 201 is, thereby reach the effect that adapts to different blast pipe diameters size, when collecting waste gas, waste gas passes through air duct 12 in proper order, air guide needle 13 finally gets into to collecting pipe 401, simultaneously along with the increase of gas volume in the collecting pipe 401, make the position finding piece 405 receive the effort and begin to remove to collecting pipe 401's right side, judge how much of collecting waste gas in collecting pipe 401 according to the position of position finding piece 405 and the scale on observing tube 404, when reaching appointed volume, can directly extract collection device 4 this moment, make air guide needle 13 separate with sealing plug 403, the round hole on the sealing plug 403 contracts simultaneously, finally whole collecting pipe 401 is in encapsulated situation.

the utility model provides an used automobile inspection waste gas sampling device of car pipe, through setting up clamping device 2, make the device can keep in close contact with the blast pipe according to the size of different automobile exhaust pipe diameters, gas leakage's problem can not appear when collecting waste gas, the practicality of device has been improved, through setting up protection pad 208, can play the guard action when two arc splint 201 press from both sides tight blast pipe, avoid damaging the blast pipe, through setting up collection device 4, can collect waste gas, at the in-process of collecting, through observation pipe 404 and position finding piece 405 cooperation setting, can judge what of collecting waste gas in the collecting pipe 401 through the position of observing position finding piece 405, structural design is simple, and is convenient and practical.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The utility model provides an used automobile inspection waste gas sampling device of car pipe which characterized in that includes:

a sleeve;

the contraction hole is formed in the inner wall of the sleeve;

2. The device for sampling the exhaust gas from the automobile pipe according to claim 1, wherein a placement groove is formed at the right end of the sleeve, sliding grooves are respectively communicated with the top and the bottom of the inner surface of the placement groove, arc-shaped fixture blocks are slidably connected to two sides of the inner surface of the sliding grooves, and a third spring is arranged between one side of each arc-shaped fixture block and the side opposite to the sliding groove.

3. The automobile detection exhaust gas sampling device for the vehicle pipe as recited in claim 1, wherein a baffle is fixedly connected between the top and the bottom of the inner wall of the sleeve and located on the right side of the arc-shaped clamping plate, a circular hole is formed in the left side of the baffle, and limiting grooves are formed in the left side of the baffle and located on two sides of the circular hole.

4. The automotive exhaust gas sampling device for pipe of vehicle of claim 3, wherein the right side of the baffle is communicated with an air duct, the right end of the air duct is communicated with an air guide needle, and the right end of the air guide needle sequentially penetrates through the right side of the inner wall of the sleeve and the left side of the sealing plug and extends into the collecting pipe.

5. The automotive pipe inspection exhaust gas sampling device according to claim 1, wherein the number of the connecting rods and the shrinkage holes is eighteen, the positions of the connecting rods and the shrinkage holes correspond to each other one by one, and the surfaces of the connecting rods are slidably connected with the inner surfaces of the shrinkage holes.

6. The automotive pipe inspection exhaust gas sampling device as claimed in claim 1, wherein the clamping means is located on the left side of the inner wall of the sleeve, and the two sliding blocks are located on two sides of the arc-shaped clamping plate.

7. The automobile exhaust gas sampling device for pipe of vehicle of claim 1, wherein the surface of the observation pipe is provided with scale marks, and the position measuring sheet is a circular thin sheet.