CN213902488U

CN213902488U - Automobile exhaust flow detection device

Info

Publication number: CN213902488U
Application number: CN202023238101.2U
Authority: CN
Inventors: 安鹏; 焦帅帅; 靳雅坤
Original assignee: Shijiazhuang Hongzhibao Motor Vehicle Testing Co ltd
Current assignee: Shijiazhuang Hongzhibao Motor Vehicle Testing Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-08-06
Anticipated expiration: 2030-12-29

Abstract

The utility model discloses an automobile exhaust flow detection device, which comprises a shell, wherein the upper surface of the shell is provided with a first thread through hole, the inner thread of the first thread through hole is connected with a threaded rod, the top of the threaded rod is welded with a handle, a first semicircle fixing plate can be moved by rotating the handle, an automobile exhaust pipe is clamped by the first semicircle fixing plate and a second semicircle fixing plate, so that the automobile exhaust gas is discharged into a pipeline when the automobile runs, the automobile exhaust gas discharge is detected by a gas flowmeter, the device can more conveniently and rapidly detect the exhaust gas flow, the position of the first semicircle fixing plate is fixed by a first bolt, the first semicircle fixing plate is prevented from falling due to external factors when the automobile runs, and the device can be firmly fixed on the exhaust pipe of the automobile, the detection of the exhaust flow is convenient.

Description

Automobile exhaust flow detection device

Technical Field

The utility model relates to an automobile exhaust technical field specifically is an automobile exhaust flow detection device.

Background

Automobile exhaust is exhaust gas generated when an automobile is used, and contains hundreds of different compounds, wherein pollutants comprise solid suspended particles, carbon monoxide, carbon dioxide, hydrocarbons, nitrogen oxides, lead, sulfur oxides and the like.

The tail gas can not only directly harm human health, but also have a profound influence on the environment of human life. The sulfur dioxide in the tail gas has strong pungent smell, and the sulfur dioxide easily causes the generation of acid rain when reaching a certain concentration, so that soil and water sources are acidified, and the growth of crops and forests is influenced.

The utility model discloses the china discloses authorize utility model: a motor vehicle exhaust flow measuring device (publication number: CN205483099U) comprises a motor vehicle exhaust gas collecting port, an exhaust gas measuring module and a fan, wherein the exhaust gas collecting port is horn-shaped and can be fixedly arranged on a bearing rod in a sliding way; the tail gas measurement module includes the detection case, the detection bottom of the case portion is equipped with first universal gyro wheel and is provided with signal acquisition and processing module in it, signal acquisition is connected with differential pressure flowmeter with the processing module electricity, differential pressure flowmeter adopts subsonic speed venturi flowmeter, subsonic speed venturi flowmeter passes through leather hose intercommunication fluid pipeline, the fan is fixed in and bears the frame on, the bottom of bearing the frame is equipped with the universal gyro wheel of second. The utility model discloses convenient to use selects subsonic velocity venturi flowmeter (SAO) for use to realize the accurate measurement to motor vehicle exhaust volume flow.

The problem that the engine is small and large can occur after the existing automobile runs for too long time, so that the emission of tail gas is increased, but people can hardly find the problem at ordinary times, the problem cannot be maintained in time, people drive the automobile, the pollution to the environment is caused due to the increase of the emission of the tail gas, meanwhile, the problem that the engine is not found for too long time, and the occurrence of accidents of people can be caused.

Therefore, the automobile exhaust flow detection device is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a car exhaust flow detection device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an automobile exhaust flow detection device, includes the casing, first screw thread through-hole has been seted up to the upper surface of casing, the inside threaded connection of first screw thread through-hole has the threaded rod, the top welding of threaded rod has the handle, the bottom of threaded rod runs through first screw thread through-hole and rotates and is connected with the bearing, the bottom welding of bearing has first semicircle fixed plate, the inboard diapire welding of casing has the second semicircle fixed plate, the second semicircle fixed plate is located first semicircle fixed plate under, the through-hole has been seted up to one side of casing, the opposite side intercommunication of casing has the pipeline, gas flowmeter is installed to the lateral wall of pipeline, gas flowmeter's probe runs through the lateral wall of pipeline.

Preferably, T-shaped fixing plates are welded on two sides of the first semicircular fixing plate.

Preferably, two T-shaped slotted holes are symmetrically formed in the inner side wall of the shell, and the two T-shaped fixing plates are respectively connected to the insides of the two T-shaped slotted holes in a sliding mode.

Preferably, one side of the T-shaped slotted hole is provided with a second threaded through hole.

Preferably, one side of the T-shaped fixing plate, which is far away from the first semicircular fixing plate, is provided with a threaded slotted hole.

Preferably, the first bolt is connected to the inner thread of the second threaded through hole, and the first bolt penetrates through the second threaded through hole and is connected to the inner part of the threaded groove hole in a threaded manner.

Preferably, the inner side walls of the first semicircular fixing plate and the second semicircular fixing plate are uniformly welded with the convex parts.

Preferably, one end of the pipeline, which is far away from the shell, is connected with a filter screen through a second bolt thread.

Compared with the prior art, the beneficial effects of the utility model are that:

the first semicircular fixing plate can move by rotating the handle, and the automobile exhaust pipe is clamped tightly by the first semicircular fixing plate and the second semicircular fixing plate, so that the tail gas of the automobile is discharged into a pipeline when the automobile runs, and the discharge of the tail gas of the automobile is detected by the gas flowmeter, so that the device can detect the flow of the tail gas more conveniently and quickly;

two, fix the position of first semicircle fixed plate through first bolt, avoided first semicircle fixed plate when the vehicle travel, because the condition that external factors took place to drop appears for what this device can be firm is fixed on the blast pipe of vehicle, conveniently carries out the detection of exhaust flow.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a left side view of the present invention;

FIG. 3 is a schematic structural view of the T-shaped fixing plate and the T-shaped slot of the present invention;

fig. 4 is a side view of the present invention;

FIG. 5 is an enlarged view of the structure of the area A in FIG. 2 according to the present invention

Fig. 6 is a perspective view of the present invention.

In the figure: 1. a housing; 2. a through hole; 3. a bearing; 4. a handle; 5. a threaded rod; 6. a first semicircular fixing plate; 7. a gas flow meter; 8. a filter screen; 9. a pipeline; 10. a second semicircular fixing plate; 11. a first threaded through hole; 12. a T-shaped fixing plate; 13. a threaded slot; 14. a first bolt; 15. a second threaded through hole; 16. t-shaped slotted holes; 17. a second bolt; 18. a raised portion.

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.

Examples

Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides an automobile exhaust flow detection device, which comprises a housin 1, first screw through-hole 11 has been seted up to the upper surface of

casing

1, 11 inside threaded connection of first screw through-hole has threaded rod 5, the top welding of threaded rod 5 has handle 4, the bottom of threaded rod 5 runs through first screw through-hole 11 and rotates and be connected with bearing 3, the bottom welding of bearing 3 has first semicircle fixed plate 6, the inboard diapire welding of casing 1 has second semicircle fixed plate 10, second semicircle fixed plate 10 is located first semicircle fixed plate 6 under, through-hole 2 has been seted up to one side of casing 1, the opposite side intercommunication of casing 1 has pipeline 9, gas flowmeter 7 is installed to pipeline 9's lateral wall, gas flowmeter 7's probe runs through pipeline 9's lateral wall.

In this embodiment, specifically: the T-shaped fixing plates 12 are welded on two sides of the first semicircular fixing plate 6; with the above arrangement, the position of the first semicircular fixing plate 6 can be restricted by the T-shaped fixing plate 12 to prevent the first semicircular fixing plate from moving left and right.

In this embodiment, specifically: two T-shaped slotted holes 16 are symmetrically formed in the inner side wall of the shell 1, and the two T-shaped fixing plates 12 are respectively connected to the insides of the two T-shaped slotted holes 16 in a sliding mode; through the setting, mutually supporting of T type notch 16 and T type fixed plate 12 limits the position of first semicircle fixed plate 6 for first semicircle fixed plate 6 can be when reciprocating, and is more steady, has avoided the condition appearance that first semicircle fixed plate 6 position takes place the skew.

In this embodiment, specifically: a second threaded through hole 15 is formed in one side of the T-shaped slotted hole 16; through the arrangement, the first bolt 14 can penetrate through the second threaded through hole 15 and be connected to the inside of the threaded groove hole 13, so that the position of the first semicircular fixing plate 6 can be conveniently fixed and prevented from moving.

In this embodiment, specifically: a threaded slotted hole 13 is formed in one side, far away from the first semicircular fixing plate 6, of the T-shaped fixing plate 12; through the arrangement, the first bolt 14 is in threaded connection with the inside of the threaded groove hole 13, so that the position of the first semicircular fixing plate 6 cannot be moved, and the situation that the device falls off from a vehicle exhaust pipe due to the movement of the first semicircular fixing plate 6 is avoided.

In this embodiment, specifically: a first bolt 14 is connected to the inner thread of the second threaded through hole 15, and the first bolt 14 penetrates through the second threaded through hole 15 and is connected to the inner part of the threaded groove hole 13 in a threaded manner; through the setting, can carry out firm fixed with first semicircle fixed plate 6's position, prevent that it from appearing not hard up, avoided because first semicircle fixed plate 6 is not hard up, lead to this device to drop from vehicle vent-pipe to the condition that can't carry out the exhaust flow volume and detect appears.

In this embodiment, specifically: the inner side walls of the first semicircular fixing plate 6 and the second semicircular fixing plate 10 are uniformly welded with convex parts 18; through the arrangement, the exhaust pipe of the vehicle can be extruded through the bulge part 18, so that the device can be more firmly fixed on the exhaust pipe, and the phenomenon that the device falls off from the exhaust pipe of the vehicle is avoided.

In this embodiment, specifically: one end of the pipeline 9, which is far away from the shell 1, is connected with a filter screen 8 through a second bolt 17 in a threaded manner; through the arrangement, tail gas discharged by the automobile can be simply filtered through the filter screen 8, so that the increase of tail gas of the automobile is avoided, and the environment pollution is avoided.

In this embodiment: the gas flow meter 7 is of the type SIARGO.

Working principle or structural principle: when the vehicle exhaust emission detection is needed, the exhaust pipe of the automobile is inserted into the shell 1 through the through hole 2, then the handle 4 is rotated, the threaded rod 5 can be driven to rotate through the rotation of the handle 4, the threaded rod 5 can move up and down through the rotation of the threaded rod 5, the bearing 3 can be driven to move through the movement of the bearing 3, the first semicircular fixing plate 6 can be driven to move through the movement of the bearing 3, the exhaust pipe of the vehicle can be clamped through the first semicircular fixing plate 6 and the second semicircular fixing plate 10, the exhaust pipe can be clamped more firmly through the first semicircular fixing plate 6 and the second semicircular fixing plate 10 through the protruding part 18, meanwhile, the position of the first semicircular fixing plate 6 can be limited through the T-shaped slot 16 and the T-shaped fixing plate 12, so that the exhaust pipe is more stable and free from deviation when moving, after first semicircle fixed plate 6 and second semicircle fixed plate 10 clamp the blast pipe tightly, run through second screw through-hole 15 and threaded connection in the inside of screw thread slotted hole 13 with first bolt 14, fix the position of first semicircle fixed plate 6 through first bolt 14, make it unable to remove, first semicircle fixed plate 6 has been avoided because external factors, lead to it not hard up, thereby make this device thereby the condition that the vehicle blast pipe breaks away from appears, with the fixed completion back of this device, start the car, the tail gas inflow pipeline 9 inside that the car discharged, probe through the inside gas flowmeter 7 of pipeline 9, discharge capacity to tail gas detects, filter automobile exhaust through filter screen 8 simultaneously, the condition of vehicle exhaust pollution environment has been avoided appearing.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An automobile exhaust flow detection device, includes casing (1), its characterized in that: a first threaded through hole (11) is formed in the upper surface of the shell (1), a threaded rod (5) is connected with the inner part of the first threaded through hole (11) in a threaded manner, the handle (4) is welded at the top of the threaded rod (5), the bottom of the threaded rod (5) penetrates through the first threaded through hole (11) and is rotatably connected with the bearing (3), a first semicircular fixing plate (6) is welded at the bottom of the bearing (3), a second semicircular fixing plate (10) is welded at the bottom wall of the inner side of the shell (1), the second semicircular fixing plate (10) is positioned right below the first semicircular fixing plate (6), one side of the shell (1) is provided with a through hole (2), the other side of the shell (1) is communicated with a pipeline (9), and a gas flowmeter (7) is installed on the outer side wall of the pipeline (9), and a probe of the gas flowmeter (7) penetrates through the outer side wall of the pipeline (9).

2. The exhaust flow rate detecting apparatus for a vehicle according to claim 1, wherein: t-shaped fixing plates (12) are welded on two sides of the first semicircular fixing plate (6).

3. The exhaust flow rate detecting apparatus for a vehicle according to claim 2, wherein: two T-shaped slotted holes (16) are symmetrically formed in the inner side wall of the shell (1), and the two T-shaped fixing plates (12) are respectively connected to the insides of the two T-shaped slotted holes (16) in a sliding mode.

4. The exhaust flow rate detecting apparatus for a vehicle according to claim 3, wherein: one side of the T-shaped slotted hole (16) is provided with a second threaded through hole (15).

5. The exhaust flow rate detecting apparatus for a vehicle according to claim 2, wherein: and a threaded slotted hole (13) is formed in one side, far away from the first semicircular fixing plate (6), of the T-shaped fixing plate (12).

6. The exhaust flow rate detecting apparatus for a vehicle according to claim 4, wherein: the inner threads of the second threaded through holes (15) are connected with first bolts (14), and the first bolts (14) penetrate through the second threaded through holes (15) and are in threaded connection with the inner portions of the threaded slotted holes (13).

7. The exhaust flow rate detecting apparatus for a vehicle according to claim 1, wherein: the inner side walls of the first semicircular fixing plate (6) and the second semicircular fixing plate (10) are uniformly welded with protruding parts (18).

8. The exhaust flow rate detecting apparatus for a vehicle according to claim 1, wherein: one end of the pipeline (9) far away from the shell (1) is connected with a filter screen (8) through a second bolt (17) in a threaded manner.