CN113959790A - Tail gas collecting device for motor vehicle detection - Google Patents
Tail gas collecting device for motor vehicle detection Download PDFInfo
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- CN113959790A CN113959790A CN202110991962.8A CN202110991962A CN113959790A CN 113959790 A CN113959790 A CN 113959790A CN 202110991962 A CN202110991962 A CN 202110991962A CN 113959790 A CN113959790 A CN 113959790A
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- tail gas
- motor vehicle
- transmission rod
- transmission
- discharge pipe
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
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Abstract
The invention relates to a tail gas collecting device for motor vehicle detection, which comprises a discharge pipe and two fixed blocks fixedly connected with the discharge pipe and used for connecting the bottom of a vehicle, one end of the discharge pipe is hinged with a sealing cover, the hinged part of the sealing cover is provided with a torsional spring, the sealing cover is connected with a braking structure and a tail gas collecting structure of a vehicle through a transmission structure, the collection structure is arranged on one side of the discharge pipe far away from the fixed block, the tail gas collection structure is used for collecting harmful substances in the gas discharged by the tail gas of the motor vehicle, thereby leading the tail gas of the motor vehicle to be discharged to the tail gas collecting assembly through the conveying assembly so as to collect the harmful gas of the tail gas of the motor vehicle when the motor vehicle idles, the device has small volume, the exhaust gas collection device can be directly installed at the tail end of a vehicle exhaust pipe, and can directly collect harmful substances discharged in the exhaust gas of a motor vehicle during idling.
Description
Technical Field
The invention relates to a collecting device, in particular to a tail gas collecting device for motor vehicle detection.
Background
The exhaust gas in our said at present refers to the automobile exhaust gas, i.e. the exhaust gas discharged from the exhaust pipe of the automobile.
Automobile exhaust is another important factor of air pollution, and the automobile exhaust contains carbon monoxide, nitric oxide and other solid particles which have adverse effects on human bodies, especially lead-containing gasoline, so that the automobile exhaust has greater harm to human bodies.
In modern civilization, automobiles become indispensable transportation means for human beings, but the automobile industry develops at a high speed, the automobile yield and the holding capacity are continuously increased, meanwhile, the automobiles also bring air pollution, namely automobile exhaust pollution, and the automobile exhaust emission becomes a main air pollution source in large and medium-sized cities in China.
The main purpose of tail gas collection is to detect whether the tail gas of the automobile is marked, and the automobile can be doped and started when the automobile normally runs, so that the collected tail gas is doped with air, the detected value is inaccurate, and the problem of rising of the automobile when the automobile is idling can be avoided.
Disclosure of Invention
The invention aims to provide an exhaust gas collecting device for motor vehicle detection, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a motor vehicle detects uses tail gas collection system, motor vehicle detects uses tail gas collection system includes:
the discharge pipe and the two fixed blocks are fixedly connected with the discharge pipe and used for connecting the bottom of the vehicle;
one end of the discharge pipe is hinged with a sealing cover, a torsional spring is installed at the hinged position of the sealing cover, and the sealing cover is connected with a braking structure of a vehicle through a transmission structure;
the tail gas collecting structure is arranged on one side, far away from the fixed block, of the discharge pipe and is used for collecting harmful substances in gas discharged by motor vehicle tail gas;
the conveying structure is communicated with the discharge pipe and the tail gas collecting structure, and the conveying structure is further connected with the transmission structure through the linkage structure, and the tail gas is controlled and conveyed to the conveying structure through the linkage structure during operation of the transmission structure.
As a further scheme of the invention: the transmission structure comprises a transmission rod penetrating through the two fixing blocks and connected with the two fixing blocks in a sliding manner, a limiting structure is arranged on the outer side of the transmission rod, one end of the transmission rod is fixedly connected with the sealing cover through a steel wire rope fixedly connected with the transmission rod, one end of the transmission rod, far away from the steel wire rope, is connected with a braking structure of a motor vehicle through a connecting buckle, a resetting structure is further arranged on the outer side of the transmission rod, and the transmission rod is connected with the linkage structure;
and one side of the fixed block is also provided with a limiting wheel for guiding the steel wire rope.
As a still further scheme of the invention: the reset structure comprises a connecting disc fixedly installed on the outer side of the transmission rod and a spring sleeved on the outer side of the transmission rod, wherein one end of the spring is fixedly connected with the other end of the connecting disc, and the other end of the spring is fixedly connected with the fixed block.
As a further scheme of the invention: the limiting structure comprises limiting blocks symmetrically arranged on the outer sides of the transmission rods, and the transmission rods slide to the inner sides of limiting grooves formed in the two fixing blocks through the limiting blocks.
As a still further scheme of the invention: the conveying structure comprises a conveying pipe, the conveying pipe is communicated with the discharge pipe through a communicating hole, the other end of the conveying pipe is communicated with the tail gas collecting structure, a butterfly valve is installed in the conveying pipe, and the butterfly valve is connected with the linkage structure.
As a still further scheme of the invention: the linkage structure comprises a transmission arc plate fixedly installed on one side of the transmission rod, a rack plate is fixedly installed at one end, far away from the transmission arc plate, of the transmission rod, and the rack plate is meshed with a gear connected with the butterfly valve.
As a still further scheme of the invention: the tail gas collecting structure comprises a collecting box fixedly mounted at the bottom of the discharge pipe, the collecting box is communicated with the discharge pipe through the delivery pipe, a sieve plate is detachably mounted on the inner side of the collecting box, and a discharge port is formed in one side of the collecting box.
Compared with the prior art, the invention has the beneficial effects that: in order to collect the emission standard of the motor vehicle when idling, the transmission structure is connected with the brake structure of the motor vehicle, the transmission structure is driven to work when the motor vehicle brakes, the sealing cover is in an open state when the brake structure does not work, the transmission structure is driven to work when the brake structure works, the sealing cover is turned over along the hinge joint to be tightly attached to the discharge pipe when the transmission structure works, and is sealed by the sealing gasket arranged on one side of the sealing cover, so that the motor vehicle tail gas is discharged to the tail gas collection assembly through the conveying assembly, and harmful gas of the motor vehicle tail gas is collected when the motor vehicle idles;
the device has small volume, can be directly installed at the tail end of the vehicle exhaust pipe, and can directly collect harmful substances discharged in tail gas of a motor vehicle during idling.
Drawings
Fig. 1 is a schematic structural diagram of an exhaust gas collection device for motor vehicle detection.
Fig. 2 is a schematic view of another angle structure of fig. 1.
Fig. 3 is a schematic diagram of the position of a discharge port in the exhaust gas collection device for motor vehicle detection.
Fig. 4 is a plan view of an exhaust gas collecting device for vehicle inspection.
FIG. 5 is a schematic view of the internal structure of a collection box of the exhaust collection device for motor vehicle inspection.
In the figure: the device comprises a discharge pipe 1, a fixing block 2, a connecting buckle 3, a spring 4, a connecting disc 5, a transmission arc plate 6, a transmission rod 7, a steel wire rope 8, a limiting wheel 9, a sealing cover 10, a transmission pipe 11, a butterfly valve 12, a gear 13, a rack plate 14, a collection box 15, a sealing gasket 16, a sieve plate 17, a discharge port 18 and a communication hole 19.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Referring to fig. 1 to 5, in an embodiment of the present invention, an exhaust gas collecting device for detecting a motor vehicle includes:
the device comprises a discharge pipe 1 and two fixed blocks 2 which are fixedly connected with the discharge pipe 1 and are used for connecting the bottom of the vehicle;
one end of the discharge pipe 1 is hinged with a sealing cover 10, a torsional spring is installed at the hinged position of the sealing cover 10, and the sealing cover 10 is connected with a braking structure of a vehicle through a transmission structure;
the tail gas collecting structure is arranged on one side, far away from the fixed block 2, of the discharge pipe 1 and is used for collecting harmful substances in gas discharged by motor vehicle tail gas;
the conveying structure is communicated with the discharge pipe 1 and the tail gas collecting structure, and the conveying structure is further connected with the transmission structure through the linkage structure, and the tail gas is controlled to be discharged in the direction of the tail gas through the linkage structure and the conveying structure during working of the transmission structure.
In the embodiment of the invention, in order to collect the emission standard of the motor vehicle when idling, the transmission structure is connected with the brake structure of the motor vehicle, the transmission structure is driven to work when the motor vehicle brakes, the sealing cover 10 is in an open state when the brake structure is not in work, the transmission structure is driven to work when the brake structure works, the sealing cover 10 is overturned along the hinged position to be tightly attached to the emission pipe 1 when the transmission structure works, and is sealed by the sealing gasket 16 arranged on one side of the sealing cover 10, so that the motor vehicle tail gas is discharged to the tail gas collection assembly through the conveying assembly, and the harmful gas of the motor vehicle tail gas is collected when the motor vehicle idles;
the device has small volume, can be directly installed at the tail end of the vehicle exhaust pipe, and can directly collect harmful substances discharged in tail gas of a motor vehicle during idling.
In another embodiment of the invention, the transmission structure comprises a transmission rod 7 penetrating through the two fixed blocks 2 and connected with the two fixed blocks in a sliding manner, a limiting structure is arranged outside the transmission rod 7, one end of the transmission rod 7 is fixedly connected with the sealing cover 10 through a steel wire rope 8 fixedly connected with the transmission rod, one end of the transmission rod 7, far away from the steel wire rope 8, is connected with a braking structure of a motor vehicle through a connecting buckle 3, a resetting structure is further arranged outside the transmission rod 7, and the transmission rod 7 is connected with the linkage structure;
and a limiting wheel 9 for guiding the steel wire rope 8 is further installed on one side of the fixed block 2.
In the embodiment of the invention, when the motor vehicle brake structure works, the transmission rod 7 is driven to move horizontally, the steel wire rope 8 is driven to move along with the movement of the transmission rod 7, at the moment, the sealing cover 10 is in sealing fit with the discharge pipe 1 under the counter force of the torsion spring, and simultaneously, the reset structure and the linkage structure are driven to work, and the transmission rod 7 pulls up the sealing cover 10 through the steel wire rope 8 in an initial state, so that the fluency of exhaust is not influenced when the motor vehicle normally walks;
it should be noted that the side of the cable 8 away from the transmission rod 7 is fixedly mounted at the center of the sealing cover 10 or at an eccentric position of the sealing cover 10 away from the hinge joint, as a preferred eccentric position connecting the sealing cover 10.
In another embodiment of the present invention, the reset structure includes a connecting disc 5 fixedly installed on the outer side of the transmission rod 7 and a spring 4 sleeved on the outer side of the transmission rod 7, and one end of the spring 4 is fixedly connected to the connecting disc 5 and the other end is fixedly connected to the fixing block 2.
In the embodiment of the invention, the connecting disc 5 is driven to move along with the horizontal movement of the transmission rod 7, the spring 4 is stretched when the connecting disc 5 moves, and the spring 4 drives the transmission rod 7 to move through the connecting disc 5 at the initial position when the brake structure of the motor vehicle does not drive the transmission rod 7 to move, so that the transmission rod 7 is reset.
In another embodiment of the present invention, the limiting structure includes limiting blocks symmetrically disposed on outer sides of the transmission rods 7, and the transmission rods 7 slide to inner sides of limiting grooves formed on the two fixing blocks 2 through the limiting blocks.
In the invention, when the transmission rod 7 moves, the transmission rod 7 slides inside the limiting groove through the limiting block, so that the transmission rod 7 cannot rotate (not shown in the figure) when moving horizontally;
if the transmission rod 7 rotates when moving horizontally, the linkage structure can not work normally, and the problem can be solved by the clamping of the limiting block and the limiting groove.
In another embodiment of the present invention, the conveying structure includes a conveying pipe 11, the conveying pipe 11 is communicated with the discharge pipe 1 through a communication hole 19, the other end of the conveying pipe 11 is communicated with the exhaust gas collecting structure, a butterfly valve 12 is installed in the conveying pipe 11, and the butterfly valve 12 is connected with the linkage structure.
In the embodiment of the invention, when the transmission rod 7 moves, the butterfly valve 12 is driven to open through the linkage structure, at the moment, the sealing cover 10 seals one side of the discharge pipe 1, at the moment, the motor vehicle enters an idling state, at the moment, tail gas is discharged to the tail gas collecting mechanism through the communication hole 19, and when the transmission rod 7 moves back and forth, the butterfly valve 12 is driven to close through the linkage structure, so that only the tail gas of the motor vehicle in the idling state is collected.
In another embodiment of the invention, the linkage structure comprises a transmission arc plate 6 fixedly arranged on one side of the transmission rod 7, a rack plate 14 is fixedly arranged on one end of the transmission arc plate 6 far away from the transmission rod 7, and the rack plate 14 is meshed with a gear 13 connected with the butterfly valve 12.
In the embodiment of the invention, when the transmission rod 7 moves, the transmission arc plate 6 drives the rack plate 14 to move along with the transmission rod, when the rack plate 14 moves, the gear 13 is driven to rotate, and when the gear 13 rotates, the butterfly valve 12 is driven to close or open;
the gear may be a half-toothed gear because the angle of rotation of the butterfly valve 12 is only ninety degrees, and preferably a half-toothed gear because it requires less material than a full-toothed gear.
In another embodiment of the present invention, the tail gas collecting structure comprises a collecting box 15 fixedly installed at the bottom of the discharge pipe 1, the collecting box 15 is communicated with the discharge pipe 1 through the conveying pipe 11, a sieve plate 17 is detachably installed on the inner side of the collecting box 15, and a discharge port 18 is opened on one side of the collecting box 15.
In the embodiment of the present invention, the exhaust gas of the motor vehicle is discharged through the duct 11 only in the collection tank 15, the harmful substances are filtered through the sieve plate 17, the contents of various values of the exhaust gas can be obtained at this time, and thereafter the exhaust gas is discharged through the discharge port 18, and thereafter the exhaust gas is detected by the detecting instrument after removing the sieve plate 17.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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.
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 (7)
1. The utility model provides a motor vehicle detects uses tail gas collection system which characterized in that, motor vehicle detects uses tail gas collection system includes:
the device comprises a discharge pipe (1) and two fixed blocks (2) which are fixedly connected with the discharge pipe (1) and used for connecting the bottom of the vehicle;
one end of the discharge pipe (1) is hinged with a sealing cover (10), a torsional spring is installed at the hinged position of the sealing cover (10), and the sealing cover (10) is connected with a braking structure of a vehicle through a transmission structure;
the tail gas collecting structure is arranged on one side, away from the fixed block (2), of the discharge pipe (1), and is used for collecting harmful substances in gas discharged by tail gas of the motor vehicle;
the conveying structure is communicated with the discharge pipe (1) and the tail gas collecting structure, and the conveying structure is further connected with the transmission structure through the linkage structure, and the tail gas is controlled to be discharged in the direction of the tail gas through the linkage structure and the conveying structure when the transmission structure works.
2. The tail gas collecting device for motor vehicle detection according to claim 1, wherein the transmission structure comprises a transmission rod (7) penetrating through and slidably connected with the two fixing blocks (2), a limiting structure is arranged on the outer side of the transmission rod (7), one end of the transmission rod (7) is fixedly connected with the sealing cover (10) through a steel wire rope (8) fixedly connected with the transmission rod, one end of the transmission rod (7) far away from the steel wire rope (8) is connected with a braking structure of a motor vehicle through a connecting buckle (3), a reset structure is further mounted on the outer side of the transmission rod (7), and the transmission rod (7) is connected with the linkage structure;
and a limiting wheel (9) used for guiding the steel wire rope (8) is further installed on one side of the fixing block (2).
3. The tail gas collecting device for motor vehicle detection according to claim 2, wherein the reset structure comprises a connecting disc (5) fixedly installed on the outer side of the transmission rod (7) and a spring (4) sleeved on the outer side of the transmission rod (7), and one end of the spring (4) is fixedly connected with the other end of the connecting disc (5) and fixedly connected with the fixing block (2).
4. The tail gas collecting device for motor vehicle detection according to claim 2, wherein the limiting structure comprises limiting blocks symmetrically arranged on the outer sides of the transmission rods (7), and the transmission rods (7) slide to the inner sides of limiting grooves formed in the two fixing blocks (2) through the limiting blocks.
5. The tail gas collecting device for motor vehicle detection according to claim 1, wherein the conveying structure comprises a conveying pipe (11), the conveying pipe (11) is communicated with the discharge pipe (1) through a communication hole (19), the other end of the conveying pipe (11) is communicated with the tail gas collecting structure, a butterfly valve (12) is installed in the conveying pipe (11), and the butterfly valve (12) is connected with the linkage structure.
6. The tail gas collecting device for the motor vehicle detection is characterized in that the linkage structure comprises a transmission arc plate (6) fixedly installed on one side of the transmission rod (7), a rack plate (14) is fixedly installed at one end, away from the transmission rod (7), of the transmission arc plate (6), and the rack plate (14) is meshed with a gear (13) connected with the butterfly valve (12).
7. The exhaust gas collection device for motor vehicle detection according to claim 5, wherein the exhaust gas collection structure comprises a collection box (15) fixedly installed at the bottom of the discharge pipe (1), the collection box (15) is communicated with the discharge pipe (1) through the delivery pipe (11), a screen plate (17) is detachably installed on the inner side of the collection box (15), and a discharge port (18) is opened on one side of the collection box (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110991962.8A CN113959790A (en) | 2021-08-26 | 2021-08-26 | Tail gas collecting device for motor vehicle detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110991962.8A CN113959790A (en) | 2021-08-26 | 2021-08-26 | Tail gas collecting device for motor vehicle detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113959790A true CN113959790A (en) | 2022-01-21 |
Family
ID=79460673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110991962.8A Withdrawn CN113959790A (en) | 2021-08-26 | 2021-08-26 | Tail gas collecting device for motor vehicle detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113959790A (en) |
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2021
- 2021-08-26 CN CN202110991962.8A patent/CN113959790A/en not_active Withdrawn
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20220121 |
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| WW01 | Invention patent application withdrawn after publication |