CN108731984A - A kind of being disconnected formula environmental monitoring sampling opium pipe - Google Patents

Abstract

This application provides a detachable environmental monitoring sampling pipe, including: multi-section smoke sampling pipe, filter cartridge, multi-section smoke sampling pipe and connector assembly, when using the multi-section smoke sampling pipe and multi-section smoke In the case of gas sampling pipes, two adjacent smoke sampling pipes are connected through the connector assembly, and two adjacent flue gas sampling pipes are also connected through the connector assembly. The detachable connection of the environmental monitoring sampling bong is realized through the connector assembly, which effectively solves the problem that the existing environmental monitoring sampling bong cannot adjust the length of the smoke sampling pipe and the length of the flue gas sampling pipe according to different monitoring environments. Moreover, when a section of smoke sampling pipe or flue gas sampling pipe is damaged, it is only necessary to remove the section of smoke dust sampling pipe or flue gas sampling pipe for replacement without scrapping the entire smoke dust sampling pipe or flue gas sampling pipe , and there is no need to scrap the entire sampling bong, which improves the practicability of the environmental monitoring sampling bong.

Description

A detachable environmental monitoring sampling bong

technical field

The application relates to the field of environmental monitoring, in particular to a detachable environmental monitoring sampling bong.

Background technique

With the continuous improvement of modern industrial level, the composition of flue gas produced by factories is becoming more and more complex. Among them, flue gas refers to the mixture of gas and dust. Gas usually includes water vapor, SO ₂ , N ₂ , and CO ₂ . Smoke dust refers to solid particles suspended in the atmosphere due to oxidation, sublimation or evaporation. Including fuel ash, coal particles, oil droplets and other high temperature split products. At present, smoke pollution and smoke pollution have become one of the biggest threats to human health. If the human body is exposed to smoke pollution or smoke pollution for a long time, symptoms such as cough, sore throat, chest tightness, shortness of breath or headache may occur. can even cause death. Therefore, it is becoming more and more necessary to detect the concentration of soot and smoke in the atmosphere.

At present, environmental monitoring staff usually use atmospheric environmental monitoring samplers to detect the concentration of soot and smoke in the atmosphere. Existing atmospheric environment monitoring sampling instrument is usually provided with environmental monitoring sampling bong, referring to Fig. 1, environmental monitoring sampling bong usually comprises soot sampling tube 10, filter cartridge 101, flue gas sampling tube 20 and fixed casing 30 etc., and soot sampling The pipe 10 and the flue gas sampling pipe 20 are fixed by a fixed casing 30 , and the filter cartridge 101 is arranged on the flue dust sampling pipe 10 . When performing smoke detection, rely on the suction provided by the air pump to suck the solid particles in the atmosphere into the smoke sampling pipe 10, and then leave the solid particles on the filter screen of the filter cartridge 101 to analyze the solid particles; During gas detection, the smoke gas is sucked into the gas sampling pipe 20 by the suction force provided by the suction pump, and the gas sensor carried in the atmospheric environment monitoring sampler is used to analyze the gas.

In different monitoring environments, there are different requirements for the length of the smoke sampling pipe 10 and the length of the smoke sampling pipe 20. For example, when used indoors, the monitoring environment is limited by the size of the indoor space, and the length of the smoke sampling pipe 10 The length of the dust sampling pipe 10 and the length of the flue gas sampling pipe 20 usually need to be shorter; when used outdoors, the monitoring environment is relatively open, and the length of the dust sampling pipe 10 and the length of the flue gas sampling pipe 20 usually need to be longer. However, the dust sampling pipe 10 and the flue gas sampling pipe 20 in the existing environmental monitoring sampling bong are usually whole stainless steel pipes, and the length of the dust sampling pipe 10 and the length of the flue gas sampling pipe 20 cannot be adjusted according to different monitoring environments. length. Moreover, when the dust sampling pipe 10 or the flue gas sampling pipe 20 is partially damaged, the entire environmental monitoring sampling bong will be scrapped, thereby affecting the practicability of the environmental monitoring sampling bong.

Contents of the invention

This application provides a detachable environmental monitoring sampling pipe to solve the problem that the existing environmental monitoring sampling pipe cannot adjust the length of the smoke sampling pipe and the length of the smoke sampling pipe according to different monitoring environments, and when the smoke sampling pipe Or when the flue gas sampling pipe is partially damaged, the entire environmental monitoring sampling pipe will be scrapped, thus affecting the accuracy of the final environmental monitoring sampling results.

The embodiment of the present application provides a detachable environmental monitoring sampling bong, including:

Multi-section smoke sampling pipe, filter cartridge, multi-section smoke sampling pipe and connector assembly;

When using the multi-section smoke sampling pipe and the multi-section smoke sampling pipe, the connection between two adjacent smoke sampling pipes is through the connector assembly, and the connection between two adjacent smoke sampling pipes is also through the connection Head component connectivity;

The connector assembly includes a connector nut, a connector front end and a connector rear end, both the connector front end and the connector rear end are arranged inside the connector nut, and the connector front end is connected to the connector The back end of the connector is connected;

The front end of the connecting head includes a first connecting body, a first fixing block, a first smoke sampling pipe hole and a first flue gas sampling pipe hole, the first fixing block is arranged on the side of the end of the first connecting body, A first smoke sampling pipe hole for placing the smoke sampling pipe and a first smoke sampling pipe hole for placing the smoke sampling pipe are arranged inside the front end of the connecting head;

The rear end of the connecting head includes a second connecting body, a second fixing block, a second smoke sampling pipe hole and a second flue gas sampling pipe hole, and the second fixing block is arranged on the side of the end of the second connecting body A second smoke sampling tube hole for placing the smoke sampling tube and a second smoke sampling tube hole for placing the smoke sampling tube are arranged inside the rear end of the connecting head.

Preferably, a protrusion is provided at the front end of the connector, and a groove matching the protrusion is provided at the rear end of the connector.

Preferably, when the front end of the connector is in close contact with the rear end of the connector, a positioning pin is provided between the front end of the connector and the rear end of the connector. The end on the rear side of the head is provided with a first locating pin hole, and the end on the rear end of the connector close to the front end of the connector is provided with a second locating pin hole, and the locating pin is arranged on the The first positioning pin hole and the second positioning pin hole.

Preferably, when the end of the front end of the connector is provided with a protrusion, and the end of the rear end of the connector is provided with a groove matching the protrusion, the protrusion and the A connector gasket is provided between the grooves, and a third smoke sampling tube hole communicating with the first smoke sampling tube hole and the second smoke sampling tube hole is provided on the connector gasket, and a third smoke sampling tube hole is connected with the first smoke sampling tube hole A smoke sampling tube hole communicates with the second smoke sampling tube hole, and a third positioning pin hole communicates with the first positioning pin hole and the second positioning pin hole.

Preferably, the connector nut is a hollow structure, and the inner space of the connector nut is divided into a first cavity, a second cavity and a third cavity, wherein the space capacity of the first cavity greater than or equal to the space capacity of the second cavity, and the space capacity of the third cavity is smaller than the space capacity of the second cavity.

Preferably, a first thread is provided on the inner wall of the first cavity, and a second thread matching the first thread is provided on the second fixing block.

Preferably, the first fixing block is placed in the second cavity, the end of the first connecting body away from the first fixing block is placed in the third cavity, and the second fixing A block is placed in the first cavity.

Preferably, the side surfaces of the first connecting body include 2 planes and 2 semi-cylindrical surfaces, and the 2 semi-cylindrical surfaces coincide with the inner wall of the second cavity.

Preferably, the side surfaces of the second connecting body include 2 planes and 2 semi-cylindrical surfaces, and the 2 semi-cylindrical surfaces coincide with the inner wall of the first cavity.

Preferably, the number of the positioning pins is at least two.

It can be seen from the above technical solutions that the present application provides a detachable environmental monitoring sampling bong, including: multi-section smoke sampling pipes, filter cartridges, multi-section smoke sampling pipes and connector assemblies, when using the multi-section smoke dust In the case of a sampling pipe and a multi-section flue gas sampling pipe, two adjacent smoke sampling pipes are connected through the connector assembly, and two adjacent smoke sampling pipes are also connected through the connector assembly. Among them, the number of connected smoke sampling pipes and the number of connected smoke sampling pipes can be selected according to the needs of the monitoring environment. For example, if the monitoring environment is an indoor environment, the length of the smoke sampling pipe and the length of the smoke sampling pipe If the length requirement is short, select a small number of smoke sampling pipes and flue gas sampling pipes; if the monitoring environment is an outdoor environment, the length of the smoke sampling pipes and flue gas sampling pipes needs to be longer, then select a larger number smoke sampling tube and flue gas sampling tube. The detachable connection of the environmental monitoring sampling bong is realized through the connector assembly, which effectively solves the problem that the existing environmental monitoring sampling bong cannot adjust the length of the smoke sampling pipe and the flue gas sampling pipe according to different monitoring environments. Moreover, when a section of smoke sampling pipe or flue gas sampling pipe is damaged, it is only necessary to remove the section of smoke dust sampling pipe or flue gas sampling pipe for replacement without scrapping the entire smoke dust sampling pipe or flue gas sampling pipe , and there is no need to scrap the entire sampling bong, which improves the practicability of the environmental monitoring sampling bong.

Description of drawings

Fig. 1 is the structural representation of existing environmental monitoring sampling bong;

Fig. 2 is a schematic structural diagram of a detachable environmental monitoring sampling bong provided by the embodiment of the present application;

Fig. 3 is a schematic structural diagram of a multi-section dust sampling pipe and a multi-section smoke sampling pipe in a detachable environmental monitoring sampling bong provided by the embodiment of the present application;

Fig. 4 is a schematic structural diagram of the connector assembly in a detachable environmental monitoring sampling bong provided by the embodiment of the present application;

Fig. 5 is a schematic structural diagram of the connecting head nut in a detachable environmental monitoring sampling bong provided by the embodiment of the present application;

Fig. 6 is a cross-sectional view of a connector nut in a detachable environmental monitoring sampling bong provided by the embodiment of the present application;

Fig. 7 is a schematic structural diagram of the front end of the connector in a detachable environmental monitoring sampling bong provided by the embodiment of the present application;

Fig. 8 is a cross-sectional view of the front end of the connector in a detachable environmental monitoring sampling bong provided by the embodiment of the present application;

Fig. 9 is a side view of the front end of the connector in a detachable environmental monitoring sampling bong provided by the embodiment of the present application;

Fig. 10 is a schematic structural diagram of the rear end of the connector in a detachable environmental monitoring sampling bong provided by the embodiment of the present application;

Fig. 11 is a cross-sectional view of the rear end of the connector in a detachable environmental monitoring sampling bong provided by the embodiment of the present application;

Fig. 12 is a side view of the rear end of the connector in a detachable environmental monitoring sampling bong provided by the embodiment of the present application;

Fig. 13 is a schematic structural diagram of positioning pins in a detachable environmental monitoring sampling bong provided by the embodiment of the present application;

Fig. 14 is a schematic structural diagram of a connector gasket in a detachable environmental monitoring sampling bong provided by an embodiment of the present application.

Among them: 10-smoke sampling tube, 101-filter cartridge, 20-smoke gas sampling tube, 30-fixed shell, 40-connector assembly, 50-connector nut, 501-first cavity, 5011-first thread , 502-the second cavity, 503-the third cavity, 60-the front end of the connector, 601-the first connector, 602-the first fixing block, 603-the protrusion, 604-the first smoke sampling pipe hole, 605 - the first smoke sampling pipe hole, 606 - the first positioning pin hole, 70 - the rear end of the connector, 701 - the second connecting body, 702 - the second fixing block, 7021 - the second thread, 703 - the groove, 704 -The second smoke sampling pipe hole, 705-the second smoke sampling pipe hole, 706-the second positioning pin hole, 80-location pin, 90-connector gasket, 901-the third smoke sampling pipe hole, 902-the first Three flue gas sampling pipe holes, 903-the third positioning pin hole.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

In order to solve the problem that the existing environmental monitoring sampling pipes cannot adjust the length of the smoke sampling pipe and the length of the smoke sampling pipe according to different monitoring environments, and solve the problem that when the smoke sampling pipe or the smoke sampling pipe is partially damaged, it will cause The entire environmental monitoring sampling bong is discarded as a whole, thereby affecting the accuracy of the final environmental monitoring sampling result. The embodiment of the present application provides a detachable environmental monitoring sampling bong.

Fig. 2 discloses a structural schematic diagram of a detachable environmental monitoring sampling bong, and Fig. 3 discloses a structural schematic diagram of a detachable environmental monitoring sampling bong, a multi-section dust sampling pipe and a multi-section smoke sampling pipe . Referring to Fig. 2 and Fig. 3, a detachable environmental monitoring sampling bong disclosed in the embodiment of the present application includes: a multi-section smoke sampling pipe 10, a filter cartridge 101, a multi-section smoke sampling pipe 20 and a connector assembly 40 , wherein, the length of each section of smoke sampling pipe 10 and each section of flue gas sampling pipe 20 is usually in the range of 100-1200mm. Of course, according to the requirements of the monitoring environment, the length of each section of smoke sampling pipe 10 and each section of flue gas sampling pipe 20 may also be other lengths, which is not limited in this embodiment of the present application. The filter cartridge 101 is set in the smoke sampling pipe 10 at the head of the detachable environmental monitoring sampling bong, and is used to keep solid particles on the filter screen of the filter cartridge 101 during the process of smoke detection. When using multi-section smoke sampling pipes 10 and multi-section smoke sampling pipes 20, according to the actual detection environment, select the appropriate number of smoke sampling pipes 10 and smoke sampling pipes 20, and connect two adjacent smoke sampling pipes 10 are communicated with each other through the connection head assembly 40, and the two adjacent smoke sampling pipes are also connected through the connection head assembly 40. The connection head assemblies 40 are detachably connected with the smoke sampling pipe 10 and the smoke sampling pipe 20.

Fig. 1 discloses a schematic structural diagram of an existing environmental monitoring sampling bong. Referring to Fig. 1, the existing environmental monitoring sampling bong usually comprises a smoke sampling pipe 10, a filter cartridge 101, a smoke sampling pipe 20 and a fixed casing 30, etc., the filter cartridge 101 is arranged on the smoke sampling pipe 10, and the smoke sampling pipe 10 and The flue gas sampling pipe 20 is fixed by a fixed casing 30 . Compared with the existing environmental monitoring sampling bong, the detachable environmental monitoring sampling bong provided by the embodiment of the present application removes the fixed shell 30 used to fix the smoke sampling pipe 10 and the smoke sampling pipe 20, greatly improving the The weight of the detachable environmental monitoring sampling pipe is reduced, and the labor intensity of environmental monitoring staff is reduced.

Fig. 4 discloses a structural schematic diagram of a connector assembly in a detachable environmental monitoring sampling bong. 3 and 4, the connector assembly 40 includes a connector nut 50, a connector front end 60 and a connector rear end 70. When using the connector assembly 40, the connector front end 60 and the connector rear end 70 are connected. Wherein, the connection mode of the front end 60 of the connector and the rear end 70 of the connector is usually end-to-end connection, of course, other communication methods are also possible, which is not limited in this embodiment of the present application. Both the front end 60 of the connector and the rear end 70 of the connector are placed inside the nut 50 of the connector.

It can be seen from the above technical solution that the front end 60 of the connector and the rear end 70 of the connector are both used to place the multi-section smoke sampling pipe 10 and the multi-section smoke sampling pipe 20, and the front end 60 of the connector and the rear end 70 of the connector are set to be connected The connected structure realizes the technical effect of connecting the multi-section smoke sampling pipes 10 and the multi-section smoke sampling pipes 20, thereby ensuring the normal use of the detachable environmental monitoring sampling bong provided by the embodiment of the present application.

Fig. 7 discloses a structural schematic diagram of the front end of the connector in a detachable environmental monitoring sampling bong, Fig. 8 discloses a sectional view of the front end of the connector in a detachable environmental monitoring sampling bong, Fig. 9 discloses A side view of the front end of the connecting head in a detachable environmental monitoring sampling bong is provided. Referring to Fig. 7, Fig. 8 and Fig. 9, the front end 60 of the connector includes: a first connecting body 601, a first fixing block 602, a first smoke sampling pipe hole 604 and a first smoke sampling pipe hole 605, the first fixing block 602 Set on the side of the end of the first connecting body 601, a first smoke sampling tube hole 604 and a first smoke sampling tube hole 605 are arranged inside the front end 60 of the connecting head, the first smoke sampling tube hole 604 is used to place the smoke sampling tube The pipe 10 and the first flue gas sampling pipe hole 605 are used to place the flue gas sampling pipe 20 .

Figure 10 discloses a schematic diagram of the structure of the rear end of the connector in a detachable environmental monitoring sampling bong, Figure 11 discloses a sectional view of the rear end of the connector in a detachable environmental monitoring sampling bong, Figure 12 discloses A side view of the rear end of the connecting head in a detachable environmental monitoring sampling bong is provided. Referring to Figure 10, Figure 11 and Figure 12, the rear end 70 of the connector includes: a second connecting body 701, a second fixing block 702, a second smoke sampling tube hole 704 and a second smoke sampling tube hole 705, the second fixing block 702 is set on the side of the end of the second connecting body 701, and a second smoke sampling pipe hole 704 and a second smoke sampling pipe hole 705 are arranged inside the rear end 70 of the connecting head. The second smoke sampling pipe hole 704 is used to place The smoke sampling tube 10 and the second smoke sampling tube hole 705 are used to place the smoke sampling tube 20 .

It can be known from the above technical solutions that when the detachable environmental monitoring sampling bong provided by the embodiment of the present application is used, the multi-section smoke sampling pipe 10 and the multi-section smoke sampling pipe 20 are respectively inserted into the front end 60 of the connector and behind the connector. In the end 70, connect the front end 60 of the connector with the rear end 70 of the connector, realize the communication between the multi-section smoke sampling pipes 10, and the communication between the multi-section smoke sampling pipes 20, and finally connect the multi-section smoke sampling pipes The pipe 10 and the multi-section flue gas sampling pipe 20 are put into the connector nut 50 to fix the connector front end 60 and the connector rear end 70 .

In summary, the detachable environmental monitoring sampling bong provided by the embodiment of the present application is provided with a connector assembly between two adjacent smoke sampling pipes 10 and between two adjacent smoke sampling pipes 20 40. The detachable connection of the environmental monitoring sampling pipe is realized, which is not only convenient for quick disassembly and carrying, but also can be assembled freely by using multi-section smoke sampling pipe 10 and multi-section smoke sampling pipe 20, effectively solving the existing environmental problems The monitoring sampling bong cannot adjust the length of the smoke sampling pipe 10 and the length of the smoke sampling pipe 20 according to different monitoring environments. Moreover, when a certain section of smoke sampling pipe 10 or flue gas sampling pipe 20 is damaged, it is only necessary to remove and replace the section of smoke dust sampling pipe 10 or flue gas sampling pipe 20 without removing the entire smoke and dust sampling pipe 10 or 20 . When the flue gas sampling pipe 20 is scrapped, it is not necessary to scrap the entire sampling bong, which improves the practicability of the sampling bong for environmental monitoring and the recyclability of the sampling bong.

Referring to Fig. 7 and Fig. 10, when the front end 60 of the connector is close to the rear end 70 of the connector, a protrusion 603 is provided at the end of the front end 60 of the connector near the rear end 70 of the connector, and the rear end 70 of the connector is close to the front end of the connector The end of 60 is provided with a groove 703, and the protrusion 603 matches with the groove 703.

It can be known from the above technical solution that during the process of connecting the front end 60 of the connector with the rear end 70 of the connector, snapping the protrusion 603 into the groove 703 can make the connection between the front end 60 of the connector and the rear end 70 of the connector It is more stable and prevents the dust sampling pipe 10 and the flue gas sampling pipe 20 from falling off during use, thereby ensuring the normal use of the detachable environmental monitoring sampling bong.

Fig. 13 discloses a structural schematic diagram of a positioning pin in a detachable environmental monitoring sampling bong. Referring to Fig. 7, Fig. 10 and Fig. 13, when the front end 60 of the connector is close to the rear end 70 of the connector, a positioning pin 80 is arranged between the front end 60 of the connector and the rear end 70 of the connector, and the positioning pin 80 is a thin Long cylindrical shape, a first positioning pin hole 606 is provided at the end of the front end 60 of the connector near the rear end 70 of the connector, for placing the positioning pin 80, and at the end of the rear end 70 of the connector near the front end 60 of the connector The head is provided with a second dowel hole 706 , also for the placement of dowel pin 80 .

It can be known from the above technical solution that the position of the front end 60 of the connector and the rear end 70 of the connector can be accurately fixed by the positioning pin 80, and the positioning accuracy between the front end 60 of the connector and the rear end 70 of the connector is improved, so that the connection The connection between the head front end 60 and the connector head rear end 70 is tighter, which improves the sealing performance of the connector head assembly 40 .

Fig. 14 discloses a structural schematic diagram of a connector gasket in a detachable environmental monitoring sampling bong. Referring to Fig. 7, Fig. 10 and Fig. 14, when the end of the front end 60 of the connector is provided with a protrusion 603, and the end of the rear end 70 of the connector is provided with a groove 703 matching the protrusion 603, the A connector gasket 90 is arranged between the protrusion 603 and the groove 703. The connector gasket 90 can be made of rubber material or other sealing materials. The connector gasket 90 is provided with The third smoke sampling tube hole 901 communicated with the first smoke sampling tube hole 604 and the second smoke sampling tube hole 704, the third smoke gas sampling tube hole 901 communicating with the first smoke sampling tube hole 605 and the second smoke sampling tube hole 705 The sampling tube hole 902 and the third positioning pin hole 903 communicated with the first positioning pin hole 606 and the second positioning pin hole 706 .

It can be seen from the above technical solution that the connector gasket 90 is provided between the protrusion 603 and the groove 703, on the one hand, it can reduce the friction between the front end 60 of the connector and the rear end 70 of the connector, and reduce the friction of the front end 60 of the connector. and the wear of the rear end 70 of the connector, on the other hand, can further improve the sealing performance of the connection between the front end 60 of the connector and the rear end 70 of the connector, thereby ensuring the sealing performance of the connector assembly 40 .

Fig. 5 discloses a schematic structural diagram of a connector nut in a detachable environmental monitoring sampling bong, and Fig. 6 discloses a cross-sectional view of a connector nut in a detachable environmental monitoring sampling bong. 5 and 6, the connector nut 50 is a hollow structure for placing the connector front end 60 and the connector rear end 70. The inner space of the connector nut 50 is divided into a first cavity 501 and a second cavity. 502 and the third cavity 503, wherein the space capacity of the first cavity 501 is greater than or equal to the space capacity of the second cavity 502, and the space capacity of the third cavity 503 is smaller than the space capacity of the second cavity 502.

It can be seen from the above technical solution that the connector nut 50 is used to place the tightly fitted connector front end 60 and connector rear end 70, wherein the space capacity of the first cavity 501 is set to be greater than or equal to the second cavity The space capacity of 502 can facilitate the connection head front end 60 and the connection head rear end 70 to be put into the connection head nut 50, and the space capacity of the third cavity 503 is set to be smaller than the space capacity of the second cavity body 502, which can effectively Prevent the front end 60 of the connector from falling off from the nut 50 of the connector.

Referring to Fig. 5 and Fig. 10, a first thread 5011 is provided on the inner wall of the first cavity 501, wherein the first thread 5011 can be an internal thread, and a second thread 7021 is provided on the second fixing block 702, wherein the first The second thread 7021 can be an external thread, and the first thread 5011 matches the second thread 7021 .

It can be seen from the above technical solution that during the process of putting the front end 60 and the rear end 70 of the connector into the nut 50, the front end 60 and the rear end 70 of the connector are matched by the cooperation between the first thread 5011 and the second thread 7021. The contact surface of the rear end 70 of the connector and the gasket 90 of the connector are squeezed, thereby improving the sealing performance between the multi-section smoke sampling pipes 10 and between the multi-section smoke sampling pipes 20 .

Referring to Figure 4, Figure 6, Figure 7 and Figure 10, the first fixing block 602 is placed in the second cavity 502, and the end of the first connecting body 601 away from the first fixing block 602 is placed in the third cavity 503, The second fixing block 702 is placed in the first cavity 501 .

It can be seen from the above technical solution that since the space capacity of the third cavity 503 is smaller than the space capacity of the second cavity 502, after the first fixing block 602 is placed in the second cavity 502, the third cavity 503 will be opposite to the connector. The front end 60 generates a force, and the direction of this force is opposite to the direction of the force generated by the rear end 70 of the connector through the first thread 5011 and the second thread 7021 on the front end 60 of the connector. Through this design, the front end 60 of the connector and the connection can be further strengthened. The rear end 70 of the head is squeezed, thereby improving the sealing performance of the connecting head assembly 40 .

Referring to Fig. 7 and Fig. 10, the side of the first connecting body 601 includes 2 planes and 2 semi-cylindrical surfaces, and the 2 semi-cylindrical surfaces coincide with the inner wall of the second cavity 502; the side of the second connecting body 701 also includes 2 flat surfaces and 2 semi-cylindrical surfaces, the 2 semi-cylindrical surfaces coincide with the inner wall of the first cavity.

It can be seen from the above technical solution that the first connecting body 601 and the second connecting body 701 are designed as two planes and two semi-cylindrical surfaces. On the one hand, the front end 60 of the connector and the rear end 70 of the connector can be connected 50 to make the connector assembly 40 more stable, on the other hand, it can effectively reduce the weight of the connector assembly 40 and reduce the labor intensity of the environmental monitoring staff.

Referring to FIG. 7 , FIG. 10 and FIG. 13 , there are at least two positioning pins 80 . When there is only one positioning pin 80, there will still be shaking between the front end 60 of the connector and the rear end 70 of the connector. Only when there are two or more positioning pins 80, can the front end 60 of the connector and the connection The connection between the head rear ends 70 is firm.

Other embodiments of the application will be readily apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any modification, use or adaptation of the application, these modifications, uses or adaptations follow the general principles of the application and include common knowledge or conventional technical means in the technical field not disclosed in the application . The specification and examples are to be considered exemplary only, with a true scope and spirit of the application indicated by the following claims.

It should be understood that the present application is not limited to the precise constructions which have been described above and shown in the accompanying drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.

Claims (10)

1. a kind of being disconnected formula environmental monitoring samples opium pipe, which is characterized in that including：

More piece soot sampling tube (10), filter cylinder (101), more piece flue gas sampling pipe (20) and connector component (40)；

When using the more piece soot sampling tube (10) and more piece flue gas sampling pipe (20), two adjacent sections soot sampling tube (10) Between be connected to by the connector component (40), again by the connector group between two adjacent sections flue gas sampling pipe (20) Part (40) is connected to；

The connector component (40) includes connector nut (50), connector front end (60) and connector rear end (70), described Connector front end (60) and the connector rear end (70) may be contained within inside the connector nut (50), before the connector End (60) is connected to the connector rear end (70)；

The connector front end (60) includes the first connector (601), the first fixed block (602), the first smoke dust sampling pore (604) and the first flue gas sampling pore (605), first fixed block (602) are set to the end of first connector (601) Rostral face is adopted in being internally provided with for the connector front end (60) for placing the first flue dust of the soot sampling tube (10) Sample pore (604), and the first flue gas sampling pore (605) for placing the flue gas sampling pipe (20)；

The connector rear end (70) includes the second connector (701), the second fixed block (702), the second smoke dust sampling pore (704) and the second flue gas sampling pore (705), second fixed block (702) are set to the end of second connector (701) Rostral face is internally provided with the second smoke dust sampling for placing the soot sampling tube (10) in the connector rear end (70) Pore (704), and the second flue gas sampling pore (705) for placing the flue gas sampling pipe (20).

2. being disconnected formula environmental monitoring according to claim 1 samples opium pipe, which is characterized in that in the connector front end (60) end is provided with raised (603), is provided with and described raised (603) phase in the end of the connector rear end (70) The groove (703) matched.

3. being disconnected formula environmental monitoring according to claim 1 samples opium pipe, which is characterized in that when the connector front end (60) it when being close to the connector rear end (70), is set between the connector front end (60) and the connector rear end (70) It is equipped with positioning pin (80), the end of connector rear end (70) side is provided with first in the connector front end (60) Dowel hole (606) is provided with second in the connector rear end (70) close to the end of connector front end (60) side Dowel hole (706), the positioning pin (80) are set to first dowel hole (606) and second dowel hole (706) in.

4. being disconnected formula environmental monitoring according to claim 3 samples opium pipe, which is characterized in that when before the connector The end at end (60) is provided with raised (603), and is provided with and the protrusion in the end of the connector rear end (70) (603) it when groove (703) to match, is provided between raised (603) and the groove (703) and connect head gasket (90), it is provided on the connection head gasket (90) and the first smoke dust sampling pore (604) and the second soot sampling tube The third smoke dust sampling pore (901) and the first flue gas sampling pore (605) and the second flue gas sampling of hole (704) connection Pore (705) connection third flue gas sampling pore (902) and with first dowel hole (606) and the second dowel hole (706) the third dowel hole (903) being connected to.

5. being disconnected formula environmental monitoring according to claim 1 samples opium pipe, which is characterized in that the connector nut (50) be hollow structure, the inner space of the connector nut (50) be divided into the first cavity (501), the second cavity (502) and Third cavity (503), wherein the spatial content of first cavity (501) is greater than or equal to the sky of second cavity (502) Between capacity, the spatial content of the third cavity (503) is less than the spatial content of second cavity (502).

6. being disconnected formula environmental monitoring according to claim 5 samples opium pipe, which is characterized in that in first cavity (501) inner wall is provided with the first screw thread (5011), is provided on second fixed block (702) and first screw thread (5011) the second screw thread (7021) to match.

7. being disconnected formula environmental monitoring according to claim 5 samples opium pipe, which is characterized in that first fixed block (602) it is positioned in second cavity (502), end of first connector (601) far from first fixed block (602) Head is positioned in the third cavity (503), and second fixed block (702) is positioned in first cavity (501).

8. being disconnected formula environmental monitoring according to claim 5 samples opium pipe, which is characterized in that first connector (601) side includes 2 planes and 2 semi-cylindricals, the inner wall of 2 semi-cylindricals and second cavity (502) It matches.

9. being disconnected formula environmental monitoring according to claim 5 samples opium pipe, which is characterized in that second connector (701) side includes 2 planes and 2 semi-cylindricals, the inner wall of 2 semi-cylindricals and first cavity (501) It matches.

10. being disconnected formula environmental monitoring according to claim 3 samples opium pipe, which is characterized in that the positioning pin (80) Quantity be at least 2.