CN211975134U

CN211975134U - Diesel engine exhaust detection device

Info

Publication number: CN211975134U
Application number: CN202020622509.0U
Authority: CN
Inventors: 张旭娟; 裴小菲
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-23
Filing date: 2020-04-23
Publication date: 2020-11-20
Anticipated expiration: 2030-04-23

Abstract

The utility model relates to a diesel engine exhaust detection device. The diesel engine exhaust detection device comprises a connecting pipe main body and an exhaust pipe, wherein a thread structure is arranged on the inner surface of the connecting pipe main body, a thread structure is also arranged on the outer surface of the exhaust pipe, the connecting pipe main body is connected to the tail end of the exhaust pipe through the thread structure, an installation pipe is arranged on the outer surface of the connecting pipe main body, the installation pipe is installed in an inclined mode, a limiting piece is arranged inside the connecting pipe main body, and the exhaust pipe is clamped by the limiting piece; the inner surface of the mounting pipe is in threaded connection with a pipe cover, and the outer surface of the pipe cover is provided with a wire hole; the diesel engine exhaust detection device is flexible to use, convenient to operate, simple to prepare, beneficial to stable connection and use of the exhaust pipe, and convenient to popularize.

Description

Diesel engine exhaust detection device

Technical Field

The utility model belongs to the technical field of the diesel engine exhaust detects, concretely relates to diesel engine exhaust detection device.

Background

Exhaust gas detection devices for diesel engines are diverse, and in this field, it is undeniable that exhaust gas temperature is an important parameter in the management of the operation of diesel engines. Generally, the performance of the whole diesel engine can be judged according to the exhaust temperature of the diesel engine. In the detection of diesel engine exhaust, in order to directly detect the exhaust gas of the diesel engine, the exhaust gas discharged by the diesel engine often needs to be collected immediately, meanwhile, a temperature sensor is used for detecting the exhaust temperature during exhaust, a common detection chamber artificially places the sensing end of the temperature sensor at an exhaust port position during detection, and a special exhaust temperature sensor installation position is not provided; among the current diesel oil exhaust detection device, collecting gas often adopts thicker pipe fitting parcel blast pipe, recycles the reinforced mode of fag end and connects two pipe fittings, makes thicker pipe fitting be difficult for dropping from the blast pipe surface, and this kind of connected mode operation is very loaded down with trivial details, and the dismouting is all inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a simple structure, reasonable in design's diesel engine exhaust detection device just for solving above-mentioned problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

diesel engine exhaust detection device, including temperature sensor, display, connecting pipe main part and the blast pipe that shows temperature sensor temperature numerical value, the internal surface of connecting pipe main part is provided with helicitic texture, the surface of blast pipe is provided with helicitic texture equally, the connecting pipe main part passes through helicitic texture and connects in the end of blast pipe, the surface of connecting pipe main part is provided with the installation pipe, installation pipe slope installation, temperature sensor's probe inserts in the installation intraductal fixed, temperature sensor's probe end gets into in the connecting pipe main part, the inside of connecting pipe main part is provided with the restriction piece, the restriction piece blocks the blast pipe.

As the utility model discloses a further optimization scheme, the internal surface threaded connection of installation pipe has the tube cap, the line hole has been seted up to the surface of tube cap.

As a further optimization scheme of the utility model, the internal surface fixed connection of line hole has seal ring.

As the utility model discloses a further optimization scheme, the inner wall surface of installation pipe sets up the protruding cushion of elasticity.

As the utility model discloses a further optimization scheme, the limiting piece is including setting up the fixture block in the connecting pipe main part, the rear end of fixture block is connected with compression spring, the bayonet socket has been seted up to the surface of blast pipe, the fixture block is inserted in the bayonet socket by compression spring's elasticity, blocks the blast pipe.

As a further optimization scheme of the utility model, the outer fixed surface of connecting pipe main part is connected with the outer tube, compression spring is located the outer tube.

As a further optimization scheme of the utility model, the port threaded connection that the connecting pipe main part was kept away from to the outer tube has the seat cover, compression spring's the other end and seat cover fixed connection.

As the utility model discloses a further optimization scheme, the one end external surface fixed connection who keeps away from the blast pipe of connecting pipe main part has the fixed station.

As a further optimization scheme of the utility model, the surface of connecting pipe main part and the position cover that is located between fixed station and the installation pipe are equipped with the ring flange.

The beneficial effects of the utility model reside in that: the utility model discloses be provided with the installation pipe of putting to one side, be convenient for install temperature sensor and use, make temperature sensor's probe insert in the connecting pipe main part, when ensureing that the blast pipe is given vent to anger, temperature sensor's probe can the direct contact blast pipe combustion gas, be convenient for more accurate this moment exhaust gas's temperature, simultaneously the utility model discloses still be provided with the outer tube, the built-in fixture block of outer tube, the fixture block reciprocates in the outer tube to fixture block fixedly connected with compression spring, compression spring's other end fixedly connected with flap, the port threaded connection of flap and outer tube, through the rotatory mode installation connecting pipe main part of screw thread, it is fixed to accomplish after the bayonet socket is inserted to the fixture block, rotatory take off the flap during dismantlement can, whole device uses in a flexible way, convenient operation, and preparation is simple.

Drawings

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

fig. 2 is a schematic structural view of the connecting pipe body of the present invention when it is not completely connected.

In the figure: 1. a connecting pipe main body; 2. an exhaust pipe; 3. installing a pipe; 4. a tube cover; 5. a flange plate; 6. a fixed table; 7. an outer tube; 8. a seat cover; 9. a compression spring; 10. a clamping block; 11. a temperature sensor; 12. a display.

Detailed Description

The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.

Example 1

As shown in fig. 1 and 2, the diesel engine exhaust gas detection device includes a temperature sensor 11, a display 12 for displaying a temperature value of the temperature sensor 11, a connection pipe body 1 and an exhaust pipe 2, where the display 12 is used for displaying a value measured by the temperature sensor 11, the temperature sensor 11 may be a temperature sensor for detecting diesel engine exhaust gas in common use, the internal surface of the connection pipe body 1 is provided with a thread structure, the external surface of the exhaust pipe 2 is also provided with a thread structure, the connection pipe body 1 is connected to the end of the exhaust pipe 2 through the thread structure, the external surface of the connection pipe body 1 is provided with a mounting pipe 3, the mounting pipe 3 is installed in an inclined manner, a limiting member is arranged inside the connection pipe body 1, the limiting member blocks the exhaust pipe 2, and generally inserts a sensor for detection into the mounting pipe 3, so that a sensing end (i.e., a probe) of the temperature sensor 11 enters, if the temperature sensor 11 senses that the exhaust temperature of the diesel engine is different, the other end of the connecting pipe body 1 can be connected with other acquisition equipment or other diesel engine exhaust detection devices to detect the exhaust gas of the diesel engine in detail, or the other end of the connecting pipe body 1 is directly communicated with the outside or other exhaust pipelines to process.

The inner surface of the mounting pipe 3 is in threaded connection with a pipe cover 4, and the outer surface of the pipe cover 4 is provided with a wire hole; the inner surface of the wire hole is fixedly connected with a sealing washer, the wire hole helps a connecting wire of the sensor to penetrate out, and the sealing performance of the whole device is improved through the sealing washer; the surface of the inner wall of the mounting tube 3 is provided with an elastic protruding cushion block, so that the stability of the temperature sensor 11 after mounting is improved;

the limiting piece comprises a clamping block 10 arranged in the connecting pipe main body 1, the rear end of the clamping block 10 is connected with a compression spring 9, the outer surface of the exhaust pipe 2 is provided with a bayonet, and the clamping block 10 is inserted into the bayonet by the elasticity of the compression spring 9 to clamp the exhaust pipe 2; the outer surface of the connecting pipe body 1 is fixedly connected with an outer pipe 7, and the compression spring 9 is positioned in the outer pipe 7; a port of the outer tube 7, which is far away from the connecting tube main body 1, is connected with a seat cover 8 through a thread, and the other end of the compression spring 9 is fixedly connected with the seat cover 8, in this embodiment, the seat cover 8 wraps the port of the outer tube 7 and is fixed through a thread; the outer surface of one end of the connecting pipe main body 1, which is far away from the exhaust pipe 2, is fixedly connected with a fixed table 6; a flange plate 5 is sleeved on the outer surface of the connecting pipe main body 1 and positioned between the fixed platform 6 and the mounting pipe 3;

it should be noted that, in this embodiment, in use, a bayonet may be formed on the outer surface of the exhaust pipe 2, the exhaust pipe 2 is rotatably inserted into the connecting pipe main body 1, along with the depth of the exhaust pipe 2, at this time, the fixture block 10 will first squeeze the compression spring 9, when the bayonet position is matched with the fixture block 10, the fixture block 10 is inserted into the bayonet, at this time, the connecting pipe main body 1 is firmly connected with the exhaust pipe 2, when the exhaust gas of the diesel engine enters the connecting pipe main body 1 through the exhaust pipe 2, the exhaust temperature is detected by using the probe (or sensing end) of the temperature sensor 11, the detected value is displayed on the display 12, and an experimenter can determine the problem of the diesel engine according to the exhaust temperature condition; when needs are dismantled, can rotate and open flap 8 to take out compression spring 9, compression spring 9 and fixture block 10 fixed connection equal to this moment and have removed the injecture of connecting pipe main part 1 with blast pipe 2, whole device is comparatively practical.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. The diesel engine exhaust detection device is characterized by comprising a temperature sensor (11), a display (12) for displaying the temperature value of the temperature sensor (11), a connecting pipe main body (1) and an exhaust pipe (2), the inner surface of the connecting pipe main body (1) is provided with a thread structure, the outer surface of the exhaust pipe (2) is also provided with a thread structure, the connecting pipe main body (1) is connected with the tail end of the exhaust pipe (2) through a thread structure, the outer surface of the connecting pipe main body (1) is provided with a mounting pipe (3), the mounting pipe (3) is obliquely mounted, the probe of the temperature sensor (11) is inserted into the mounting tube (3) and fixed, the probe end of the temperature sensor (11) enters the connecting pipe main body (1), the connecting pipe body (1) is internally provided with a limiting piece which clamps the exhaust pipe (2).

2. The diesel exhaust gas detection device according to claim 1, characterized in that: the inner surface of the mounting pipe (3) is in threaded connection with a pipe cover (4), and the outer surface of the pipe cover (4) is provided with a wire hole.

3. The diesel exhaust gas detection device according to claim 2, characterized in that: and a sealing gasket is fixedly connected to the inner surface of the wire hole.

4. The diesel exhaust gas detection device according to claim 3, characterized in that: and an elastic protruding cushion block is arranged on the surface of the inner wall of the mounting pipe (3).

5. The diesel exhaust gas detection device according to claim 1, characterized in that: the limiting piece comprises a clamping block (10) arranged in the connecting pipe main body (1), the rear end of the clamping block (10) is connected with a compression spring (9), the outer surface of the exhaust pipe (2) is provided with a bayonet, and the clamping block (10) is inserted into the bayonet by the elasticity of the compression spring (9) to clamp the exhaust pipe (2).

6. The diesel exhaust gas detection device according to claim 5, characterized in that: the outer surface of the connecting pipe main body (1) is fixedly connected with an outer pipe (7), and the compression spring (9) is positioned in the outer pipe (7).

7. The diesel exhaust gas detection device according to claim 6, characterized in that: the port of the outer pipe (7), which is far away from the connecting pipe main body (1), is in threaded connection with a seat cover (8), and the other end of the compression spring (9) is fixedly connected with the seat cover (8).

8. The diesel exhaust gas detection device according to claim 1, characterized in that: the outer surface of one end of the connecting pipe main body (1) far away from the exhaust pipe (2) is fixedly connected with a fixing table (6).

9. The diesel exhaust gas detection device according to claim 1, characterized in that: the outer surface of the connecting pipe main body (1) and the position between the fixing table (6) and the installation pipe (3) are sleeved with a flange plate (5).