CN220752061U

CN220752061U - Automobile exhaust emission detection device

Info

Publication number: CN220752061U
Application number: CN202322201354.XU
Authority: CN
Inventors: 舒海龙; 吴东; 陈春飞; 章晓
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-08-16
Filing date: 2023-08-16
Publication date: 2024-04-09
Anticipated expiration: 2033-08-16

Abstract

The utility model discloses an automobile exhaust emission detection device which comprises a limiting pipe, wherein a dredging pipe is arranged at the front end of the front surface of the limiting pipe, a collecting seat is fixedly arranged at the tail end of the limiting pipe, an air outlet seat is fixedly arranged at the back surface of the collecting seat, and a plurality of groups of air outlet pipes are fixedly arranged at the back surface of the air outlet seat. According to the tail gas sampling device, the collection seat and the air outlet seat are arranged, so that the tail gas is collected, output work can be carried out through the air outlet pipe and the limiting hoses, part of limiting hoses in a plurality of groups of limiting hoses can be used for a tail gas dredging structure of the device structure, the whole tail gas output work is not influenced after the device is installed, and the other limiting hose structure can be used for output sampling work of the tail gas, so that the tail gas sampling device can be used for conveniently sampling the tail gas, meanwhile, the variety of tail gas samples can be increased through various adoption modes, and the practicability of the device is improved.

Description

Automobile exhaust emission detection device

Technical Field

The utility model relates to the technical field of tail gas emission detection equipment, in particular to an automobile tail gas emission detection device.

Background

The tail gas emission of the motor vehicle refers to the tail gas emission generated in the running process of the motor vehicle, main pollutants emitted are carbon monoxide, hydrocarbon and nitrogen-level compounds respectively, and the components of the tail gas emission are harmful substances, and if the tail gas is mixed into the air, certain pollution influence can be caused, so that the related detection is needed when the existing part of tail gas is emitted, and whether the tail gas meets the emission standard is detected.

Patent document: CN205876441U discloses an attached automatic filtering device for detecting automobile exhaust gas, which comprises a lower shell, an upper shell, a filter element and an air inlet pipe, wherein the lower shell is provided with the upper shell beside, a heat insulation strip is arranged beside the upper shell, the filter element is arranged beside the heat insulation strip, a concentration sensor is arranged beside the filter element, a sealing ring is arranged beside the concentration sensor, the air inlet pipe is arranged beside the sealing ring, a flange plate is arranged beside the air inlet pipe, an exhaust gas detector is arranged inside the air inlet pipe, a mounting nut is arranged beside the exhaust gas detector, a connecting rod is arranged beside the mounting nut, a wireless transmitter is arranged beside the connecting rod, and an exhaust joint is arranged beside the wireless transmitter. The beneficial effects are that: the utility model can automatically detect the emission of the automobile exhaust, remind a user to replace the filter element in time, avoid the automobile exhaust from being directly discharged into the atmosphere, and reduce the pollution of the atmosphere;

but in the above-mentioned patent, the device is when using, and it filters the tail gas is carried through the setting of inside filter core structure, but its when carrying tail gas, and it is for satisfying the tail gas detection demand, needs to carry out independent sample work to the tail gas, and the above-mentioned device lacks the convenient sample structure to the tail gas sample when using, and the sample of tail gas sample is inconvenient, influences subsequent tail gas detection efficiency, influences the practicality of device then.

Disclosure of Invention

The utility model aims to provide an automobile exhaust emission detection device for solving the problems in the background technology.

In order to achieve the above purpose, the utility model provides a technical scheme that an automobile exhaust emission detection device comprises a limiting pipe, wherein a dredging pipe is arranged at the front end of the front surface of the limiting pipe, and a collecting seat is fixedly arranged at the tail end of the limiting pipe;

the back fixed mounting of collection seat has the seat of giving vent to anger, the back fixed mounting of seat of giving vent to anger has multiunit outlet duct, the tail end fixed mounting of outlet duct has spacing hose, the surface of outlet duct is provided with the control valve, the top joint of seat of giving vent to anger has sealed lid, the top fixed mounting of sealed lid has spacing handle, the bottom fixed mounting of sealed lid has the filter frame, the inner wall fixed mounting of filter frame has the filter screen frame.

Preferably, the front end threaded connection of dredging pipe has the sleeve pipe, sheathed tube inner wall fixed mounting has the toper frame, the inner wall fixed mounting of toper frame has the honeycomb rack, and the toper frame peg graft in the inside of spacing pipe dredging pipe.

Preferably, the front end of the sleeve is fixedly provided with a gas pipe, and the front end of the gas pipe is fixedly provided with a positioning pipe.

Preferably, the front end of the positioning tube is fixedly provided with an internal tube, the front end of the positioning tube is fixedly provided with an external tube, and the external tube is sleeved on the outer surface of the internal tube.

Preferably, the top fixed mounting of dredging pipe has the relief valve, the screw thread groove has been seted up to dredging pipe's front end, and sheathed tube tail end threaded connection is in the inside of screw thread groove.

Preferably, the inner wall of the external pipe is embedded with a plurality of groups of control pipes, and the control rod is connected inside the control pipes in a sliding manner.

Preferably, the inner wall of the control tube is fixedly provided with a limit spring, the front end of the limit spring is fixedly connected with the tail end of the control rod, and the front end of the control rod is fixedly provided with a sealing gasket.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the tail gas sampling device, the collection seat and the air outlet seat are arranged, so that the tail gas is collected, output work can be carried out through the air outlet pipe and the limiting hoses, part of limiting hoses in a plurality of groups of limiting hoses can be used for a tail gas dredging structure of the device structure, the whole tail gas output work is not influenced after the device is installed, and the other limiting hose structure can be used for output sampling work of the tail gas, so that the tail gas sampling device can be used for conveniently sampling the tail gas, meanwhile, the variety of tail gas samples can be increased through various adoption modes, and the practicability of the device is improved.

2. According to the utility model, through the elastic clamping structure between the external pipe and the internal pipe, a convenient clamping installation mode is provided for installation and use of the device, so that convenience is added for dismounting and installing the device, the device can be conveniently clamped and installed with an automobile tail gas pipe, and convenience is added for tail gas sampling work.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of a conical frame structure according to the present utility model;

FIG. 3 is a schematic cross-sectional view of an external tube structure of the present utility model;

fig. 4 is a schematic cross-sectional view of the air outlet seat according to the present utility model.

In the figure: 1. a limiting tube; 2. a dredging pipe; 3. a collection seat; 4. an air outlet seat; 5. an air outlet pipe; 6. a limit hose; 7. sealing cover; 8. a limit grip; 9. a filter frame; 10. a filter screen frame; 11. a sleeve; 12. a conical frame; 13. a honeycomb net rack; 14. a gas pipe; 15. a positioning tube; 16. a built-in tube; 17. an external pipe; 18. a pressure release valve; 19. a thread groove; 20. a control tube; 21. a control lever; 22. a limit spring; 23. and a sealing gasket.

Detailed Description

Referring to fig. 1 to 4, an automobile exhaust emission detection device comprises a limiting pipe 1, wherein a dredging pipe 2 is installed at the front end of the front surface of the limiting pipe 1, a collecting seat 3 is fixedly installed at the tail end of the limiting pipe 1, an air outlet seat 4 is fixedly installed at the back surface of the collecting seat 3, a plurality of groups of air outlet pipes 5 are fixedly installed at the back surface of the air outlet seat 4, a limiting hose 6 is fixedly installed at the tail end of the air outlet pipe 5, a control valve is arranged on the outer surface of the air outlet pipe 5, a sealing cover 7 is clamped at the top of the air outlet seat 4, a limiting grip 8 is fixedly installed at the top of the sealing cover 7, a filter frame 9 is fixedly installed at the bottom of the sealing cover 7, and a filter net rack 10 is fixedly installed on the inner wall of the filter frame 9;

through carrying out the erection joint back between device and the automobile exhaust output tube, automobile exhaust carries out the inside that finally gets into to collecting seat 3 and give vent to anger seat 4 along with the device structure, get into the tail gas in the seat 4 of giving vent to anger, the setting of accessible multiunit outlet duct 5, along with the opening of valve structure on the outlet duct 5, thereby carry out output work, it can cooperate spacing hose 6's setting when the output, carry out synchronous output so as to carry in the relevant detection setting, and along with sealed lid 7's joint, filter screen frame 10 can play the filter action to tail gas after the tail gas gets into, make the oil smoke material in the tail gas attach on filter screen frame 10, along with filter screen frame 10's extraction, can carry out convenient sample work.

The front end of the dredging pipe 2 is connected with a sleeve 11 through threads, a conical frame 12 is fixedly arranged on the inner wall of the sleeve 11, a honeycomb net rack 13 is fixedly arranged on the inner wall of the conical frame 12, the conical frame 12 is inserted into the dredging pipe 2 of the limiting pipe 1, a gas pipe 14 is fixedly arranged at the front end of the sleeve 11, and a positioning pipe 15 is fixedly arranged at the front end of the gas pipe 14;

through the conveying structure that sleeve pipe 11, gas-supply pipe 14 and registration arm 15 structure were passed through when tail gas was inputed, and along with the insertion of toper frame 12 in the pipeline, accessible honeycomb net rack 13 carries out preliminary filtration to the tail gas on the toper frame 12.

The front end of the positioning tube 15 is fixedly provided with an internal tube 16, the front end of the positioning tube 15 is fixedly provided with an external tube 17, and the external tube 17 is sleeved on the outer surface of the internal tube 16;

the gap between the external pipe 17 and the internal pipe 16 is used for clamping and installing the device, and the gap between the external pipe 17 and the internal pipe 16 can be used for sleeving and installing the tail gas output pipe.

The top of the dredging pipe 2 is fixedly provided with a pressure release valve 18, the front end of the dredging pipe 2 is provided with a thread groove 19, and the tail end of the sleeve 11 is in threaded connection with the inside of the thread groove 19;

through the setting of relief valve 18, relief valve 18 can play urgent pressure release's effect when the inside atmospheric pressure of device is too big, alleviates the inside pressure influence of device.

Wherein, a plurality of groups of control pipes 20 are embedded and installed on the inner wall of the external pipe 17, a control rod 21 is connected in a sliding way in the control pipe 20, a limit spring 22 is fixedly installed on the inner wall of the control pipe 20, the front end of the limit spring 22 is fixedly connected with the tail end of the control rod 21, and a sealing gasket 23 is fixedly installed at the front end of the control rod 21;

the limiting rebound resilience of the control rod 21 can be added through the rebound resilience of the limiting spring 22 in the control pipe 20, so that the limiting rebound resilience of the sealing gasket 23 is added, and after the external pipe 17 and the internal pipe 16 are sleeved and mounted on the gas pipe 14, the rebound resilience of the sealing gasket 23 can be used for sleeved and clamped the output pipe, so that the convenience of the mounting structure of the device is improved.

The theory of operation, through the cooperation of external pipe 17 and built-in pipe 16, cup joint the installation to automobile exhaust's output pipeline with the device, tail gas accessible gas-supply pipe 14 and spacing pipe 1 get into to collect seat 3 and the inside of seat 4 of giving vent to anger after the installation, when taking a sample to the tail gas sample, accessible outlet duct 5 and spacing hose 6 go on giving vent to anger the work, thereby add convenience for the sample work, and filter screen frame 10 to the filtration of tail gas and the attachment to the adhesion in the tail gas, can carry out convenient sample work in order to be used for subsequent tail gas detection work, and the tail gas is at the transportation in-process, the joint of accessible toper frame 12 inserts, can play preliminary filtration's effect to the tail gas at the in-process that the tail gas got into, in order to be used for subsequent tail gas detection work.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an automobile exhaust emission detection device, includes spacing pipe (1), its characterized in that: the front end of the limiting pipe (1) is provided with a dredging pipe (2), and the tail end of the limiting pipe (1) is fixedly provided with a collecting seat (3);

the back of the collecting seat (3) is fixedly provided with an air outlet seat (4), the back of the air outlet seat (4) is fixedly provided with a plurality of groups of air outlet pipes (5), the tail end of each air outlet pipe (5) is fixedly provided with a limit hose (6), the outer surface of each air outlet pipe (5) is provided with a control valve, the top joint of seat (4) of giving vent to anger has sealed lid (7), the top fixed mounting of sealed lid (7) has spacing handle (8), the bottom fixed mounting of sealed lid (7) has filter frame (9), the inner wall fixed mounting of filter frame (9) has filter screen frame (10).

2. The automobile exhaust emission detection device according to claim 1, wherein: the front end threaded connection of dredging pipe (2) has sleeve pipe (11), the inner wall fixed mounting of sleeve pipe (11) has toper frame (12), the inner wall fixed mounting of toper frame (12) has honeycomb rack (13), and toper frame (12) peg graft in the inside of spacing pipe (1) dredging pipe (2).

3. The automobile exhaust emission detection device according to claim 2, wherein: the front end of the sleeve (11) is fixedly provided with a gas pipe (14), and the front end of the gas pipe (14) is fixedly provided with a positioning pipe (15).

4. An automobile exhaust emission detection device according to claim 3, wherein: the front end of the positioning tube (15) is fixedly provided with an inner tube (16), the front end of the positioning tube (15) is fixedly provided with an outer tube (17), and the outer tube (17) is sleeved on the outer surface of the inner tube (16).

5. The automobile exhaust emission detection device according to claim 1, wherein: the top fixed mounting of mediation pipe (2) has relief valve (18), thread groove (19) have been seted up to the front end of mediation pipe (2), and the tail end threaded connection of sleeve pipe (11) is in the inside of thread groove (19).

6. The automobile exhaust emission detection device according to claim 4, wherein: the inner wall of the external pipe (17) is embedded with a plurality of groups of control pipes (20), and a control rod (21) is connected inside the control pipes (20) in a sliding manner.

7. The automobile exhaust emission detection device according to claim 6, wherein: the inner wall of the control tube (20) is fixedly provided with a limit spring (22), the front end of the limit spring (22) is fixedly connected with the tail end of the control rod (21), and the front end of the control rod (21) is fixedly provided with a sealing gasket (23).