Multifunctional sampling tube for exhaust gas

Abstract

The utility model relates to exhaust gas sampling tube technical field discloses a kind of exhaust gas multifunctional sampling tube, including shell, the bottom end of the shell is attached with bottom cover, the top end of the bottom cover is fixedly connected with three groups of sampling box, the inside of the shell is provided with auxiliary moving assembly, the auxiliary moving assembly includes slider, the both sides and rear end of the shell inside are vertically fixedly connected with auxiliary slide rail.The exhaust gas multifunctional sampling tube is provided with auxiliary slide rail, slider, insertion rod, fixed sleeve, connecting sleeve ring, small air cylinder and push rod, and the movable range of sampling tube main body is expanded, the connecting force between sampling tube main body and shell inner wall is lifted by fixed sleeve using sliding connection mode, the stability during sampling tube main body up and down is improved, and the problem that exhaust gas sampling tube length is fixed, only supporting to take local exhaust gas concentration, concentration difference is easy to affect detection result, and the self stability of sampling tube is limited is solved.

Description

Technical Field

[0001] This utility model relates to the field of waste gas sampling tube technology, specifically a multifunctional waste gas sampling tube. Background Technology

[0002] The exhaust gas sampling tube is mainly used to collect exhaust gas samples to ensure the accuracy of subsequent analysis, provide raw data for analyzing whether the emission concentration meets the standards, and maintain the reliability of the raw data.

[0003] The current exhaust gas sampling tubes have a fixed length and can only support sampling local exhaust gas concentrations. Since concentration differences can easily affect the test results, and the sampling tubes themselves have limited stability.

[0004] Therefore, a novel multifunctional waste gas sampling tube is proposed to solve the above problems. Utility Model Content

[0005] The purpose of this utility model is to provide a multifunctional waste gas sampling tube to solve the problems mentioned in the background art, such as the fixed length of the waste gas sampling tube, which only supports sampling local waste gas concentration, the easy influence of concentration differences on the detection results, and the limited stability of the sampling tube itself.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a multi-functional waste gas sampling tube, including an outer shell, a bottom cover attached to the bottom end of the outer shell, three sampling boxes fixedly connected to the top end of the bottom cover, and an auxiliary moving component provided inside the outer shell; The auxiliary moving component includes a slider. Auxiliary slide rails are vertically fixedly connected to both sides and the rear end inside the housing. Three sets of sliders are provided and are slidably sleeved on the outside of the corresponding auxiliary slide rails. The inner end of the slider is recessed inward, and a rod is vertically fixedly connected to the recess. Three sets of sampling tube bodies are vertically arranged inside the housing. A fixing sleeve is fixedly sleeved on the outside of the sampling tube body. The rod vertically penetrates the inside of the outer end of the fixing sleeve. As a further technical solution of this utility model, three sets of small cylinders are fixedly connected to the bottom of the inner rear end of the outer shell. Each small cylinder is fixedly connected to a push rod at its top end. A connecting collar is fixedly connected to the top end of the push rod. The front end of the connecting collar is sleeved and fixed to the outside of the sampling tube body.

[0007] As a further technical solution of this utility model, the top of the outer shell is provided with three sets of small circular holes, and the three sets of sampling tube bodies pass through the interior of the small circular holes in sequence.

[0008] As a further technical solution of this utility model, two sets of external seats are fixedly connected to the bottom of both sides of the outer shell, two sets of limiting frames are sleeved on the outside of the bottom cover, support frames are sleeved on both sides of the bottom cover, and rotating rods are symmetrically arranged at the bottom of both sides of the outer shell.

[0009] As a further technical solution of this utility model, the two ends of the rotating rod movably pass through the interior of the two sets of external seats, and both ends are fixedly connected to baffles. Fastening bolts are provided through the interior of the baffles, and knobs are fixedly connected to the outer ends of the fastening bolts.

[0010] As a further technical solution of this utility model, the outer side of the support frame is bent upward at a right angle, and the top of the bent part of the support frame is sleeved and fixed to the outside of the rotating rod.

[0011] As a further technical solution of this utility model, an outer cover is fixedly fitted onto the surface of the sampling tube body, a circular groove is opened on the inner wall of the outer cover, and a heat insulation layer is provided inside the outer cover.

[0012] As a further technical solution of this utility model, the outer ring inside the placement groove is fixedly connected to multiple sets of fixing seats, and the interior of the placement groove is spirally provided with heating pipes, which penetrate through the interior of the multiple sets of fixing seats.

[0013] Compared with the prior art, the beneficial effects of this utility model are: the multi-functional waste gas sampling tube not only realizes the auxiliary movement function and the easy handling function, but also realizes the safety protection function; The system is equipped with an auxiliary slide rail, a slider, a plug rod, a fixing sleeve, a connecting collar, a small cylinder, and a push rod. The small cylinder and the push rod work together, and the connecting collar can push the sampling tube body upward to a suitable position, expanding the movable range of the sampling tube body. The slider is sleeved and installed on the outside of the auxiliary slide rail. The sliding connection method is used to improve the connection force between the sampling tube body and the inner wall of the outer shell through the fixing sleeve, thereby improving the stability of the sampling tube body during up and down movement. The system is equipped with a bottom cover, support frame, limit frame, rotating rod, baffle, external seat, and fastening bolts. The rotating rod rotates flexibly between two sets of external seats, flipping the support frame downwards. The right-angle bending characteristic of the support frame provides stable support to the bottom of the bottom cover. The two sets of limit frames are fitted onto the outside of the bottom cover to strengthen the connection between the bottom cover and the bottom of the outer shell. The fastening bolts move through the inside of the baffle to effectively fix the support frame, preventing the support frame from shaking and the bottom cover from falling down. This simplifies the fixing and connection method while making it easy to pick up the sampling box. The sampling tube is equipped with an outer cover, heating pipes, a placement groove, a fixing seat, and an insulation layer. The outer cover is fixedly installed on the surface of the sampling tube body, and the heating pipes are installed inside the placement groove. The spiral installation method provides constant temperature protection for the outside of the sampling tube body to prevent the exhaust gas from condensing during transmission. An insulation layer is added inside the outer cover to effectively prevent heat leakage. Multiple fixing seats limit and fix the heating pipes to prevent them from loosening or even falling off, thus avoiding heating dead zones. Attached Figure Description

[0014] Figure 1 This is a frontal cross-sectional view of the present invention. Figure 2 For the present utility model Figure 1 Enlarged cross-sectional view of point A in the middle section; Figure 3 This is a side view of the support frame structure of this utility model; Figure 4 This is a top view cross-sectional structural diagram of the outer casing of this utility model.

[0015] In the diagram: 1. Bottom cover; 2. Limiting frame; 3. Support frame; 4. Knob; 5. Outer shell; 6. Small cylinder; 7. Push rod; 8. Connecting collar; 9. Auxiliary slide rail; 10. Outer cover; 11. Fixing sleeve; 12. Sampling box; 13. External base; 14. Insert rod; 15. Sliding block; 16. Baffle; 17. Rotating rod; 18. Fastening bolt; 19. Insulation layer; 20. Fixing base; 21. Heating pipeline; 22. Placement groove; 23. Sampling tube body. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] Please see Figure 1-4 A multi-functional exhaust gas sampling tube includes an outer shell 5, a bottom cover 1 attached to the bottom end of the outer shell 5, three sampling boxes 12 fixedly connected to the top end of the bottom cover 1, and an auxiliary moving component inside the outer shell 5. The auxiliary moving component includes a slider 15. The two sides and the rear end of the housing 5 are vertically fixedly connected to auxiliary slide rails 9. There are three sets of sliders 15, which are slidably sleeved on the outside of the corresponding auxiliary slide rails 9. The inner end of the slider 15 is recessed inward, and the recess is vertically fixedly connected to the insertion rod 14. Three sets of sampling tube bodies 23 are vertically arranged inside the housing 5. The outer side of the sampling tube body 23 is sleeved and fixedly fitted with a fixing sleeve 11. The insertion rod 14 vertically penetrates the inside of the outer end of the fixing sleeve 11. Three sets of small cylinders 6 are fixedly connected to the bottom of the rear end of the outer shell 5. Each small cylinder 6 is fixedly connected to a push rod 7. The top of the push rod 7 is fixedly connected to a connecting collar 8. The front end of the connecting collar 8 is sleeved and fixed to the outside of the sampling tube body 23. The top of the outer shell 5 has three sets of small circular holes, and the three sets of sampling tube bodies 23 pass through the interior of the small circular holes in sequence; Specifically, such as Figure 1 and Figure 2 As shown, during use, the slider 15 is sleeved and installed on the outside of the corresponding auxiliary slide rail 9. The small cylinder 6 and the push rod 7 cooperate with each other and push the sampling tube body 23 upward through the small circular hole at the top of the outer shell 5 to the appropriate position through the connecting collar 8. The fixing sleeve 11 provides a stable connection force to the sampling tube body 23 to ensure that the sampling tube body 23 can be quickly retracted.

[0018] Two sets of external seats 13 are fixedly connected to the bottom of both sides of the outer shell 5. Two sets of limiting frames 2 are sleeved on the outside of the bottom cover 1. Support frames 3 are sleeved on both sides of the bottom cover 1. Rotating rods 17 are symmetrically arranged on the bottom of both sides of the outer shell 5. The two ends of the rotating rod 17 move through the interior of the two sets of external seats 13, and both ends are fixedly connected to baffles 16. Fastening bolts 18 are installed inside the baffles 16, and knobs 4 are fixedly connected to the outer ends of the fastening bolts 18. The outer side of the support frame 3 bends upward at a right angle, and the top of the bend of the support frame 3 is sleeved and fixed to the outside of the rotating rod 17. Specifically, such as Figure 1 and Figure 3 As shown, during use, the bottom cover 1 is fitted to the bottom of the outer shell 5, ensuring that multiple sampling boxes 12 are located inside the outer shell 5. The rotating rod 17 rotates flexibly between the two sets of external seats 13 until the support frame 3 is sleeved and installed on the outside of both sides of the bottom cover 1. At the same time, the limiting frame 2 is sleeved on the outside of the bottom cover 1. After rotating the knob 4 in sequence, the fastening bolt 18 is moved through the inside of the baffle 16 and located inside the rotating rod 17, which effectively fixes the support frame 3 and improves the flexibility of the bottom cover 1.

[0019] A ring of outer cover 10 is fixedly fitted onto the surface of the sampling tube body 23. A ring of placement groove 22 is opened on the inner wall of the outer cover 10. An insulation layer 19 is provided inside the outer cover 10. The outer ring inside the circular groove 22 is fixedly connected to multiple sets of fixing seats 20. The interior of the circular groove 22 is spirally provided with heating pipes 21, which pass through the interior of the multiple sets of fixing seats 20. Specifically, such as Figure 1 and Figure 4 As shown, during use, the outer cover 10 is fixedly installed on the surface of the sampling tube body 23. The heating pipe 21 is installed inside the circular groove 22. The spiral installation method provides constant temperature protection for the outside of the sampling tube body 23 to prevent the exhaust gas from condensing during transmission. An insulation layer 19 is added inside the outer cover 10 to effectively prevent heat leakage. Multiple sets of fixing seats 20 limit and fix the outside of the heating pipe 21 to prevent the heating pipe 21 from loosening or even falling off and causing heating dead zones.

[0020] Working principle: When this utility model is in use, the three sets of sampling tube bodies 23 are located inside the outer shell 5, and the bottom cover 1 is attached to the bottom end of the outer shell 5 to ensure that multiple sets of sampling boxes 12 are located inside the outer shell 5. The rotating rod 17 rotates flexibly between the two sets of external seats 13 until the support frame 3 is sleeved and installed on the outside of both sides of the bottom cover 1. At the same time, the limiting frame 2 is sleeved on the outside of the bottom cover 1. After rotating the knob 4 in sequence, the fastening bolt 18 is moved through the inside of the baffle 16 and located inside the rotating rod 17 to strongly fix the support frame 3. The slider 15 is sleeved and installed on the outside of the corresponding auxiliary slide rail 9. The small cylinder 6 and the push rod 7 cooperate with each other and push the sampling tube body 23 upward through the circular hole at the top of the outer shell 5 to the appropriate position through the connecting collar 8.

[0021] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A multifunctional waste gas sampling tube, comprising a shell (5), characterized in that: The bottom end of the outer shell (5) is fitted with a bottom cover (1), and the top end of the bottom cover (1) is fixedly connected with three sets of sampling boxes (12). An auxiliary moving component is provided inside the outer shell (5). The auxiliary moving component includes a slider (15). The two sides and the rear end of the housing (5) are vertically fixedly connected to auxiliary slide rails (9). The slider (15) is provided in three sets and is slidably sleeved on the outside of the corresponding auxiliary slide rail (9). The inner end of the slider (15) is recessed inward and a rod (14) is vertically fixedly connected to the recess. The housing (5) has three sets of sampling tube bodies (23) vertically arranged inside. The sampling tube body (23) is sleeved and fixedly fitted with a fixing sleeve (11). The rod (14) vertically penetrates the inside of the outer end of the fixing sleeve (11).

2. The multifunctional waste gas sampling tube according to claim 1, characterized in that: Three sets of small cylinders (6) are fixedly connected to the bottom of the inner rear end of the outer shell (5). Each small cylinder (6) is fixedly connected to a push rod (7). The top of the push rod (7) is fixedly connected to a connecting collar (8). The front end of the connecting collar (8) is sleeved and fixed to the outside of the sampling tube body (23).

3. The multifunctional waste gas sampling tube according to claim 1, characterized in that: The top of the outer shell (5) has three sets of small circular holes, and the three sets of sampling tube bodies (23) pass through the interior of the small circular holes in sequence.

4. The multifunctional waste gas sampling tube according to claim 1, characterized in that: Two sets of external seats (13) are fixedly connected to the bottom of both sides of the outer shell (5). Two sets of limiting frames (2) are sleeved on the outside of the bottom cover (1). Support frames (3) are sleeved on both sides of the bottom cover (1). Rotating rods (17) are symmetrically arranged on the bottom of both sides of the outer shell (5).

5. A multifunctional waste gas sampling tube according to claim 4, characterized in that: The two ends of the rotating rod (17) move through the interior of the two sets of external seats (13), and both ends are fixedly connected to baffles (16). A fastening bolt (18) is installed through the interior of the baffle (16), and a knob (4) is fixedly connected to the outer end of the fastening bolt (18).

6. The multifunctional waste gas sampling tube according to claim 4, characterized in that: The outer side of the support frame (3) is bent upward at a right angle, and the top of the bent part of the support frame (3) is sleeved and fixed to the outside of the rotating rod (17).

7. The multifunctional waste gas sampling tube according to claim 1, characterized in that: The surface of the sampling tube body (23) is fitted with an outer cover (10), the inner wall of the outer cover (10) is provided with a circular groove (22), and the interior of the outer cover (10) is provided with a heat insulation layer (19).

8. A multifunctional waste gas sampling tube according to claim 7, characterized in that: The outer ring inside the placement groove (22) is fixedly connected to multiple sets of fixing seats (20), and a heating pipe (21) is spirally arranged inside the placement groove (22), and the heating pipe (21) passes through the interior of the multiple sets of fixing seats (20).

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