CN216955353U

CN216955353U - Waste gas sampling device for automobile detection

Info

Publication number: CN216955353U
Application number: CN202220509050.2U
Authority: CN
Inventors: 唐朝伟; 李全民; 杨国清
Original assignee: Wuxi Aibao Information Technology Co ltd
Current assignee: Wuxi Aibao Information Technology Co ltd
Priority date: 2022-03-10
Filing date: 2022-03-10
Publication date: 2022-07-12
Anticipated expiration: 2032-03-10

Abstract

The utility model discloses an exhaust gas sampling device for automobile detection, which comprises a sampling bottle and a sampling tube, wherein a buffer bottle is arranged between the sampling bottle and the sampling tube, a piston and a piston rod are arranged in the buffer bottle in a sliding manner, a handle is arranged outside the piston rod, four outlets are arranged on the buffer bottle, one-way air inlet valves are arranged at the outlets of the buffer bottle, two outlets on one side of the buffer bottle are converged at an air outlet pipe, two outlets on the other side of the buffer bottle are converged at the sampling tube, and the air outlet pipe is connected with the sampling bottle. The problem of current automobile exhaust sampling equipment inconvenient operation is solved.

Description

Waste gas sampling device for automobile detection

Technical Field

The utility model relates to the field of automobile exhaust sampling equipment, in particular to a waste gas sampling device for automobile detection.

Background

Along with the development of society, the living standard of people is improved, automobiles become a transportation tool in daily trips of people gradually, along with the increasing quantity of automobiles, the exhaust gas discharged by the automobiles is increased, the environment in daily life is polluted greatly, the exhaust gas treatment of the automobiles is particularly important, in the exhaust gas treatment, the exhaust gas is collected by using a sampling device firstly, then the sampling device is taken for detection and analysis, the traditional exhaust gas sampling device for automobile detection can basically meet the use requirements of people, but the existing exhaust gas sampling device for automobile detection is not provided with a dust collection and cooling component when in use, so that the particle impurities in the exhaust gas are difficult to collect, the particle impurities cannot be analyzed, the detection quality is influenced, manpower and material resources are wasted, the exhaust gas cannot be cooled, the exhaust gas sampling is inaccurate, the fixed storage component is not arranged, and the sampling device is inconvenient to move, the operation is difficult, and the sampling efficiency is reduced. Patent CN202120232565.8 discloses an automobile inspection waste gas sampling device, including sampling bottle, sealing plug, sampling tube, sealing block, limiting plate and spring, the internally mounted of sampling bottle has the fixed plate, and the inside of fixed plate has seted up first through-hole, the sealing plug has been seted up to the bottom of sampling bottle, and the inside of sealing plug is provided with runs through sampling bottle bottom piston rod, the sampling tube is installed on the top of sampling bottle, and the junction of sampling tube and sampling bottle installs the sealing washer, the recess has been seted up on the top of sampling tube, and the inside of recess is provided with the filter screen, fourth through-hole has all been seted up to the outer wall of sampling tube, and the inside of fourth through-hole is provided with the limiting plate, the stripper plate is installed to the one end of limiting plate, the arc is all installed to the inside of sampling tube, and the second through-hole has been seted up to the inside of arc. When in use, the utility model is inconvenient and inconvenient to operate.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an exhaust gas sampling device for automobile detection, which solves the problem that the existing automobile exhaust gas sampling equipment is inconvenient to operate.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an automobile inspection uses waste gas sampling device, includes sampling bottle and sampling tube, be provided with the buffer bottle between sampling bottle and the sampling tube, it is provided with piston and piston rod to slide in the buffer bottle, the piston rod outside is provided with the handle, be provided with four exports on the buffer bottle, the buffer bottle exit all is provided with one-way air inlet valve, two exports in buffer bottle one side are collected in the outlet duct, two exports in buffer bottle opposite side are collected in the sampling tube, the outlet duct links to each other with the sampling bottle.

As a further improvement of the above technical solution:

the one-way air inlet valve comprises an outer ring arranged in the outlet and an inner closing piece hinged on the outer ring.

The sampling tube comprises a tube opening, wherein a filter screen is arranged on the tube opening, and the filter screen is installed through bolts.

The sampling tube is provided with a clamping jaw, the clamping jaw comprises a tube frame and a movable frame, the tube frame and the movable frame are movably arranged below the tube frame, the tube frame is sleeved outside the sampling tube, the movable frame is in threaded fit with the tube frame, the tube frame is provided with an upper arc-shaped clamping part, and the movable frame is provided with a lower arc-shaped clamping part.

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

the waste gas sampling device for automobile detection is convenient to operate, the sampling tube is clamped on the automobile exhaust pipe through the movable frame and the pipe frame by the clamping jaw, waste gas is pumped into the sampling bottle for detection through the up-and-down movement of the piston, the operation is convenient, meanwhile, the filter screen arranged on the sampling tube can reduce the entry of large-particle impurities, the use convenience is met, and the use safety is ensured.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of E in FIG. 1;

FIG. 3 is an enlarged view of the structure at F in FIG. 1;

FIG. 4 is a schematic view of a down-stroke configuration of the piston of the present invention;

fig. 5 is a schematic view of the upward structure of the piston of the present invention.

Reference numerals: 1. sampling a bottle; 2. a sampling tube; 3. a buffer bottle; 31. a piston; 32. a piston rod; 33. a handle; 34. a one-way air inlet valve; 35. an air outlet pipe; 341. an outer ring; 342. an inner closing sheet; 21. a filter screen; 22. a bolt; 23. a pipe frame; 24. a movable frame; 25. an upper arc-shaped clamping part; 26. lower arc clamping part.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

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.

As shown in fig. 1 to 5, the waste gas sampling device for automobile inspection of this embodiment, including sampling bottle 1 and sampling tube 2, be provided with buffer bottle 3 between sampling bottle 1 and the sampling tube 2, it is provided with piston 31 and piston rod 32 to slide in the buffer bottle 3, piston rod 32 outside is provided with handle 33, be provided with four exports on the

buffer bottle

3, 3 exits in the buffer bottle all are provided with one-way admission valve 34, two exports in 3 one sides of buffer bottle are collected in outlet duct 35, two exports in 3 opposite sides of buffer bottle are collected in sampling tube 2, outlet duct 35 links to each other with sampling bottle 1.

The one-way intake valve 34 includes an outer ring 341 disposed in the outlet and an inner shutter 342 hinged to the outer ring 341. The inner closure flap 342 can only be opened toward one side.

Sampling tube 2 includes the mouth of pipe, and the mouth of pipe is provided with filter screen 21, and filter screen 21 passes through bolt 22 and installs. The filter screen filters the granule in to waste gas, avoids large granule impurity to get into sampling bottle 1.

Be provided with the clamping jaw on sampling tube 2, the clamping jaw sets up in the adjustable shelf 24 of pipe support 23 below including the pipe support 23 and the activity of cover establishing in the sampling tube 2 outside, and adjustable shelf 24 and pipe support 23 screw-thread fit are provided with arc clamping part 25 on the pipe support 23, are provided with down arc clamping part 26 on the adjustable shelf 24.

The working principle of the utility model is as follows:

when in use, the clamping jaw is fixed on the exhaust pipe, specifically, the lower arc-shaped clamping part 26 is moved to enable the upper arc-shaped clamping part and the lower arc-shaped clamping part to be clamped on the exhaust pipe by rotating the movable frame 24, and it should be noted that the lower arc-shaped clamping part 26 is movable relative to the screw rod of the movable frame 24, so that the situation that the lower arc-shaped clamping part 26 rotates along with the movable frame 24 does not occur, after the clamping jaw is fixed, the sampling tube 2 extends into the exhaust pipe, the length of the sampling tube 2 is not limited, the sampling tube can be automatically arranged as required, the safety accident of the whole exhaust pipe is avoided, the operation is convenient, when the sampling bottle 1 needs to be collected, the handle 33 is pulled to enable the piston 31 to move in the buffer bottle 3, when the piston moves downwards, the unidirectional air inlet valve B and the unidirectional air inlet valve C are opened in the figure, when the piston moves upwards, the unidirectional air inlet valve D and the unidirectional air inlet valve A are opened in the figure, the gas circulation, its easy operation can control by oneself and admit air, can not take place the explosion phenomenon.

The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. 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 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 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 inspection uses waste gas sampling device, includes sampling bottle (1) and sampling tube (2), its characterized in that: be provided with buffer bottle (3) between sampling bottle (1) and sampling tube (2), it is provided with piston (31) and piston rod (32) to slide in buffer bottle (3), piston rod (32) outside is provided with handle (33), be provided with four exports on buffer bottle (3), buffer bottle (3) exit all is provided with one-way admission valve (34), two exports in buffer bottle (3) one side are collected in outlet duct (35), two exports in buffer bottle (3) opposite side are collected in sampling tube (2), outlet duct (35) link to each other with sampling bottle (1).

2. The exhaust gas sampling device for automobile testing according to claim 1, characterized in that: the one-way air inlet valve (34) comprises an outer ring (341) arranged in the outlet and an inner closing sheet (342) hinged to the outer ring (341).

3. The exhaust gas sampling device for automobile testing according to claim 2, characterized in that: sampling tube (2) include the mouth of pipe, the mouth of pipe is provided with filter screen (21), filter screen (21) are installed through bolt (22).

4. The exhaust gas sampling device for automobile testing according to claim 3, characterized in that: be provided with the clamping jaw on sampling tube (2), the clamping jaw sets up in pipe support (23) of sampling tube (2) outside and activity adjustable shelf (24) of pipe support (23) below including the cover, adjustable shelf (24) and pipe support (23) screw-thread fit, be provided with arc clamping part (25) on pipe support (23), be provided with down arc clamping part (26) on adjustable shelf (24).