CN214096788U

CN214096788U - Motor vehicle exhaust detects sampling device

Info

Publication number: CN214096788U
Application number: CN202023027015.7U
Authority: CN
Inventors: 叶伟; 谷宇
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2021-08-31
Anticipated expiration: 2030-12-15

Abstract

The utility model relates to the detection field, in particular to a motor vehicle tail gas detection sampling device, which comprises a first pipe body, wherein a clamping device is arranged in the first pipe body, a concave rotary block is arranged on one side of the first pipe body, an elastic diaphragm is arranged on the inner side of the concave rotary block, a liquid inlet pipe is arranged at the upper end of the concave rotary block, a liquid storage tank is arranged at the upper end of the liquid inlet pipe, a pressing plate is connected to the upper part of the liquid storage tank in a sliding way, a return pipe is arranged at the middle part of the liquid storage tank, the other end of the return pipe is connected with a communication switch fixed on the concave rotary block, the motor vehicle exhaust pipes with different sizes and shapes can be effectively sealed and fixed by the arrangement of the clamping device, the concave rotary block, the elastic diaphragm, the liquid inlet pipe, the liquid storage tank, the pressing plate, the return pipe and the communication switch, thereby avoiding the situations that outside air enters and tail gas escapes through gaps due to poor sealing performance, the accuracy of the collected tail gas is ensured, and the reliability of the detection sample is ensured.

Description

Motor vehicle exhaust detects sampling device

Technical Field

The utility model relates to a detection area specifically is a motor vehicle exhaust detects sampling device.

Background

Automobile exhaust from blast pipe exhaust waste gas, automobile exhaust is another major factor of air pollution, contain carbon monoxide in the automobile exhaust, nitric oxide and to some other solid particles that produce harmful effects to the human body, especially contain leaded gasoline, the danger to the human body is bigger, therefore, demand to motor vehicle exhaust detection is growing day by day, most of the motor vehicle exhaust that exist on the market detect with sampling device all use dedicated tail gas collecting bottle to fix when collecting tail gas, application range is narrower, fixed unstable, the installation is inconvenient, and traditional sampling device is only single sample when using, it needs sample many times to detect many times, the troublesome poeration is wasted time and energy, and single sample makes the detection have the contingency easily, lead to the testing result not credible.

Through retrieval, in a patent with the Chinese patent number of CN211527969U, a sampling device for detecting motor vehicle tail gas is disclosed, which comprises a collecting pipe for collecting motor vehicle tail gas, wherein the collecting pipe is uniformly divided into a plurality of collecting chambers, the bottom ends of the collecting chambers are fixedly communicated with an air outlet pipe, the outer side of the air outlet pipe is spirally sleeved with a switch sleeve, the inner side of the switch sleeve is spirally sleeved with a collecting box, the inner wall of the collecting box is sleeved with a piston in a sliding manner, the bottom end of the piston is fixedly connected with a pull rod, and the top end of the collecting box is fixedly connected with a second one-way valve; the inner wall of the air outlet pipe is along circumference fixedly connected with spring, spring top fixedly connected with baffle, the inboard fixedly connected with dead lever of switch sleeve, dead lever top fixedly connected with ejector pin, the ejector pin is followed switch sleeve's the central axis direction and orientation the baffle extends the setting, the utility model discloses once collect and just can carry out multiple sample, sample efficiently, and improved the accuracy of testing result, but through switch tube housing connection between the device and the motor vehicle blast pipe, current motor vehicle blast pipe is different in size, and the shape is different, and the switch tube housing can not adapt to not unidimensional blast pipe, has great limitation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a motor vehicle exhaust detects sampling 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 a motor vehicle exhaust detects sampling device, includes first body, first body internally mounted has clamping device, and first body one side installs the spill gyration piece, and the spill gyration piece inboard is installed elastic diaphragm, and the spill gyration piece upper end installs the feed liquor pipe, and the liquid reserve tank is installed to feed liquor pipe upper end, and liquid reserve tank upper portion sliding connection has the press platen, and the liquid reserve tank mid-mounting has the back flow, and the back flow other end is connected with the intercommunication switch of fixing on the spill gyration piece, spill gyration piece left side is fixed with the second body, and the contact of the second body other end is connected with collects the bag.

As a further aspect of the present invention: a pressure gauge is fixed on the upper portion of the first pipe body.

As a further aspect of the present invention: the upper end of the pressing plate is fixed with a pressing handle.

As a further aspect of the present invention: at least 2 limiting blocks are installed on the inner side of the upper end of the liquid storage tank.

As a further aspect of the present invention: the clamping device comprises a clamping plate fixed on one side of the first pipe body, and the other side of the clamping plate is connected with the first pipe body through a telescopic spring.

As a further aspect of the present invention: and a clamping ring is fixed on the left side of the second pipe body.

Compared with the prior art, the beneficial effects of the utility model are that: the motor vehicle exhaust pipe homoenergetic that makes different size shapes through setting up of clamping device, spill gyration piece, elastic diaphragm, feed liquor pipe, liquid reserve tank, pressing panel, back flow and intercommunication switch can carry out effectual sealed fixed, has avoided getting into and tail gas through the condition that the gap scurried out because of the poor outside air that leads to of leakproofness, has guaranteed the accuracy of the tail gas of collecting, guarantees the reliability of detecting the sample.

Drawings

Fig. 1 is a schematic structural diagram of a motor vehicle exhaust gas detection sampling device.

Fig. 2 is a schematic structural diagram of a telescopic spring in a motor vehicle exhaust gas detection sampling device.

FIG. 3 is a schematic structural diagram of a concave rotary block in the sampling device for detecting motor vehicle exhaust.

In the figure: 1-a first pipe body, 2-a clamping plate, 3-a telescopic spring, 4-a concave rotary block, 5-an elastic diaphragm, 6-a communication switch, 7-a return pipe, 8-a liquid storage tank, 9-a liquid inlet pipe, 10-a one-way liquid inlet valve, 11-a pressure gauge, 12-a second pipe body, 13-a clamping ring, 14-a collecting bag, 15-a pressing plate, 16-a limiting block and 17-a pressing handle.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "central", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing and simplifying the description, but not for indicating or implying that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the invention, and further that the terms "first", "second", etc., are used only for descriptive purposes and are not to indicate or imply relative importance or imply the number of technical features being referred to, whereby the features defined as "first", "second", etc., may explicitly or implicitly include one or more such features, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or the two elements may be connected through an intermediate medium, and the specific meaning of the above terms in the present invention can be understood by those skilled in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Example 1

Referring to fig. 1 ~ 3, in the embodiment of the utility model, a motor vehicle exhaust detects sampling device, including

first body

1, 1 internally mounted of first body has clamping device, and 1 one side of first body installs

spill gyration piece

4, 4 inboard elastic diaphragm 5 of installing of spill gyration piece, and 4 upper ends of spill gyration piece install

feed liquor pipe

9, 9 mid-mounting of feed liquor pipe has single file feed liquor valve 10, and the feed liquor pipe 9 upper end installs

liquid reserve tank

8, 8 upper portion sliding connection of liquid reserve tank have press plate 15, and 8 mid-mounting of liquid reserve tank have a back flow 7, the back flow 7 other end is connected with the intercommunication switch 6 of fixing on

spill gyration piece

4, 4 left sides of spill gyration piece are fixed with second body 12, the contact of the 12 other ends of second body is connected with and collects bag 14.

Further, a pressure gauge 11 is fixed on the upper portion of the first pipe body 1, a pressing handle 17 is fixed on the upper end of the pressing plate 15, at least 2 limiting blocks 16 are installed on the inner side of the upper end of the liquid storage tank 8, the clamping device comprises a clamping plate 2 fixed on one side of the first pipe body 1, and the other side of the clamping plate 2 is connected with the first pipe body 1 through a telescopic spring 3.

Example 2

In another embodiment of the present invention, the difference between the embodiment and the above embodiment is that a clamping ring 13 is fixed on the left side of the second tube 12 for avoiding the falling off of the collecting bag 14.

The utility model discloses a theory of operation is: insert motor vehicle blast pipe with first body 1, cardboard 2 realizes motor vehicle blast pipe and the fixed of 1 relative position of first body under expanding spring 3's extrusion, press handle 17 down, press handle 17 to drive and press the rotation of pressing board 15, press board 15 to extrude into spill gyration piece 4 with the one-way feed liquor valve 10 of liquid storage tank 8 interior liquid through feed liquor pipe 9 in, the liquid in the spill gyration piece 4 makes 5 inseparable parcel exhaust pipe make it sealed owing to the extrusion of liquid, realize collecting the reliability of sample, after collecting the completion, open intercommunication switch 6, make the liquid backward flow, accomplish and reset.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A motor vehicle tail gas detection sampling device comprises a first pipe body (1), and is characterized in that a clamping device is arranged in the first pipe body (1), a concave rotary block (4) is arranged on one side of the first pipe body (1), an elastic diaphragm (5) is arranged on the inner side of the concave rotary block (4), a liquid inlet pipe (9) is arranged at the upper end of the concave rotary block (4), a single-way liquid inlet valve (10) is arranged in the middle of the liquid inlet pipe (9), a liquid storage tank (8) is arranged at the upper end of the liquid inlet pipe (9), the upper part of the liquid storage tank (8) is connected with a pressing plate (15) in a sliding way, a return pipe (7) is arranged in the middle of the liquid storage tank (8), the other end of the return pipe (7) is connected with a communicating switch (6) fixed on the concave rotary block (4), a second pipe body (12) is fixed on the left side of the concave rotary block (4), and the other end of the second pipe body (12) is connected with a collection bag (14) in a contact manner.

2. The device for detecting and sampling motor vehicle exhaust gas according to claim 1, characterized in that a pressure gauge (11) is fixed on the upper part of the first tube (1).

3. The device for detecting and sampling motor vehicle exhaust gas according to claim 2, characterized in that a pressing handle (17) is fixed on the upper end of the pressing plate (15).

4. The motor vehicle exhaust gas detection and sampling device according to claim 1, wherein at least 2 limiting blocks (16) are installed on the inner side of the upper end of the liquid storage tank (8).

5. The motor vehicle exhaust gas detection and sampling device according to claim 1, wherein the locking device comprises a clamping plate (2) fixed on one side of the first pipe body (1), and the other side of the clamping plate (2) is connected with the first pipe body (1) through a telescopic spring (3).

6. The motor vehicle exhaust gas detection and sampling device according to claim 1 or 2, wherein a clamping ring (13) is fixed on the left side of the second pipe body (12).