Waste gas sampling detection auxiliary device
By designing a fastening connection device between the auxiliary tube and the sleeve, the gas leakage problem caused by the instability of the cloth plug was solved, and the stability and accuracy of exhaust gas sampling and detection were achieved, adapting to the detection needs of different lengths.
Patent Information
- Application Number
- CN202520321050.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-27
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-02-27
AI Technical Summary
In existing exhaust gas sampling and testing, unstable cloth plugs can cause gas leaks, increasing the uncertainty and error of the testing.
A device comprising an auxiliary tube, a sleeve, a clamp, and a fastening bolt was designed. The sleeve fits tightly against the reserved detection tube, and the clamp and fastening bolt work together to achieve a stable connection between the auxiliary tube and the reserved tube, thereby reducing leakage.
It effectively reduces gas leakage at the connection point, improves the stability and accuracy of sampling and detection, and adapts to the detection needs of different lengths.
Smart Images

Figure CN223910590U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to waste gas detection auxiliary technical field, especially, relate to a waste gas sampling detection auxiliary device. BACKGROUND
[0002] Waste gas collection and detection refers to sampling and analyzing the waste gas discharged in the process of industrial production, transportation and the like to evaluate its composition, concentration and influence on the environment.
[0003] When sampling and detecting waste gas, first, open the pipeline detection pipe cover, then extend the auxiliary pipe into the pipeline, generally, utilize the cloth plug to plug the reserved detection pipeline opening to reduce the discharge of gas, but the existing plug mode can cause the cloth to fall unstably, which increases the leakage of gas, therefore, the utility model provides a waste gas sampling detection auxiliary device to solve the existing operation deficiencies. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a waste gas sampling detection auxiliary device, which has the purpose of fixing the auxiliary pipe and the reserved detection pipe to reduce leakage at the connection, so as to solve the above background technical problems.
[0005] The technical scheme for solving the above technical problems is as follows: a waste gas sampling detection auxiliary device, which comprises an auxiliary pipe one, one end surface of the auxiliary pipe one is bonded with a sleeve, the surface of the sleeve is sleeved with a chuck one and a chuck two, the chuck one and the chuck two are penetrated through by a fastening bolt, the surface of the fastening bolt is threadedly connected with a fastening nut, the fastening nut is attached to the chuck one and the chuck two when fastening, one end surface of the fastening bolt is fixedly connected with a rotating handle, the inner surface of the auxiliary pipe one is penetrated through with a gas collecting pipe, the other end surface of the auxiliary pipe one is detachably connected with an auxiliary pipe two, the gas collecting pipe penetrates through the auxiliary pipe two and extends to the outside of the auxiliary pipe two.
[0006] Preferably, the surface of the auxiliary pipe one is provided with a threaded portion, the outer surface of the threaded portion is threadedly connected with a threaded connecting cylinder, and the threaded connecting cylinder is welded and communicated between the auxiliary pipe two.
[0007] Preferably, the chuck one and the chuck two form an annular clamping shape, and the initial positions of the chuck one and the chuck two are slidingly sleeved on the outer surface of the auxiliary pipe one.
[0008] Preferably, the sleeve is made of elastic plastic material and is tightly attached to the outside of the detection reserved pipe.
[0009] Preferably, the outer surface of the sleeve is corrugated, and the annulus formed by the chuck one and the chuck two is clamped.
[0010] Preferably, the bottom of the auxiliary pipe one and the auxiliary pipe two are welded with a hand ring.
[0011] The utility model discloses the beneficial effects are:
[0012] 1, the utility model discloses the pipe cover of opening reservation pipe, through the sleeve of auxiliary pipe one intercommunication is set on the surface of reservation pipe, then the chuck one and chuck two are slid from the surface of auxiliary pipe one to the surface of sleeve, then through the fastening nut is rotated on the surface thread of corresponding upper and lower fastening bolt, so that the chuck one and chuck two are fastened, so that the surface of sleeve is fastened and makes sleeve and reservation pipe fixedly fit, reduces the purpose of leakage at the junction, when needing lengthening auxiliary pipe one, only needs the threaded intercommunication between auxiliary pipe two and auxiliary pipe one, finally, the gas collecting pipe is inserted into the waste gas pipeline through auxiliary pipe one and auxiliary pipe two;
[0013] 2, the utility model discloses the outer surface of threaded portion and the inner surface of threaded connection cylinder are threadedly connected, can lengthen auxiliary pipe one according to use demand;
[0014] 3, the utility model discloses the material quality of sleeve is elastic plastic material, and is closely fitted with the outside of detection reservation pipe, so that sleeve is fitted on the surface of reservation detection pipeline according to the elastic design of itself;
[0015] 4, the utility model discloses the outer surface of sleeve is the corrugated design, increases the friction between chuck one and chuck two and the outer surface of sleeve, and increases the stable effect. DRAWINGS
[0016] Among them:
[0017] Figure 1 It is the schematic diagram of the structure of the utility model;
[0018] Figure 2 It is the split schematic diagram of the structure of the utility model;
[0019] Figure 3 It is the schematic diagram of the fixed chuck structure of the utility model;
[0020] Figure 4 It is the local enlarged view of point A of the utility model.
[0021] In the drawings, the component list represented by each sign is as follows:
[0022] 1, auxiliary pipe one, 2, sleeve, 3, chuck one, 4, chuck two, 5, fastening bolt, 6, fastening nut, 7, rotating handle, 8, gas collecting pipe, 9, auxiliary pipe two, 10, threaded portion, 11, threaded connection cylinder. CONCRETE IMPLEMENTATION
[0023] Hereinafter, the embodiments of the waste gas sampling detection auxiliary device of the utility model will be described with reference to the drawings. Embodiment 1
[0024] Figures 1-4 The waste gas sampling detection auxiliary device of one embodiment of the utility model is shown, including auxiliary pipe one 1, one end surface of auxiliary pipe one 1 is bonded with sleeve 2, the material of sleeve 2 is elastic plastic material, and is closely attached to the outside of the detection reserved pipe, through the material of sleeve 2 is elastic plastic material, and is closely attached to the outside of the detection reserved pipe, so that sleeve 2 is attached to the surface of the reserved detection pipeline according to the elastic design of itself, the surface of sleeve 2 is sleeved with chuck one 3 and chuck two 4, chuck one 3 and chuck two 4 are penetrated through fastening bolt 5, the surface of fastening bolt 5 is connected with fastening nut 6, fastening nut 6 is attached with chuck one 3 and chuck two 4 when fastening, chuck one 3 and chuck two 4 form annular clamping shape, the initial position of chuck one 3 and chuck two 4 is slidingly sleeved on the outer surface of auxiliary pipe one 1, one end surface of fastening bolt 5 is fixedly connected with rotating handle 7, the inner surface of auxiliary pipe one 1 is penetrated with gas sampling pipe 8, the other end surface of auxiliary pipe one 1 is detachably connected with auxiliary pipe two 9, gas sampling pipe 8 penetrates auxiliary pipe two 9 and extends to the outside of auxiliary pipe two 9, the surface of auxiliary pipe one 1 is provided with threaded portion 10, the outer surface of threaded portion 10 is threadedly connected with threaded connecting cylinder 11, threaded connecting cylinder 11 is welded and communicated between auxiliary pipe two 9, by the threaded connection between the outer surface of threaded portion 10 and the inner surface of threaded connecting cylinder 11, auxiliary pipe one 1 can be lengthened according to the use requirement, when operating, the pipe cover of the reserved pipe is opened, sleeve 2 connected with auxiliary pipe one 1 is sleeved on the surface of the reserved pipe, then chuck one 3 and chuck two 4 are slid from the surface of auxiliary pipe one 1 to the surface of sleeve 2, then fastening nut 6 is threadedly rotated on the surface of upper and lower fastening bolt 5, so that chuck one 3 and chuck two 4 are fastened, so as to be fastened and attached on the surface of sleeve 2 and fixedly attached between sleeve 2 and the reserved pipe, to reduce the leakage of the connection, when it is necessary to lengthen auxiliary pipe one 1, only auxiliary pipe two 9 and auxiliary pipe one 1 are threadedly connected, finally gas sampling pipe 8 is inserted into the waste gas pipeline through auxiliary pipe one 1 and auxiliary pipe two 9. Embodiment 2
[0025] Figures 1-4The utility model discloses a waste gas sampling detection auxiliary device, including auxiliary pipe one 1, the end surface of auxiliary pipe one 1 is bonded with sleeve 2, the surface of sleeve 2 is equipped with chuck one 3 and chuck two 4, and chuck one 3 and chuck two 4 are penetrated through through fastening bolt 5, and the outer surface of sleeve 2 is the corrugation design, and is clamped through the annular formed by chuck one 3 and chuck two 4, through setting the outer surface of sleeve 2 is the corrugation design, increase the friction between chuck one 3 and chuck two 4 and the outer surface of sleeve 2, increase the stable effect, and the surface of fastening bolt 5 is connected with fastening nut 6, and fastening nut 6 and chuck one 3 and chuck two 4 are attached when fastening, and one end surface of fastening bolt 5 is fixedly connected with rotating handle 7, and the inner surface of auxiliary pipe one 1 is penetrated with gas sampling pipe 8, and the other end surface of auxiliary pipe one 1 is detachably connected with auxiliary pipe two 9, and gas sampling pipe 8 penetrates auxiliary pipe two 9 and extends to the outside of auxiliary pipe two 9, and the bottom of auxiliary pipe one 1 and auxiliary pipe two 9 is all welded with hand ring.
[0026] Working principle: when using the utility model, the operator opens the pipe cover of the reserved pipe, and sleeve 2 connected with auxiliary pipe one 1 is sleeved on the surface of the reserved pipe, then chuck one 3 and chuck two 4 are slid from the surface of auxiliary pipe one 1 to the surface of sleeve 2, then fastening nut 6 is screwed on the surface thread of upper and lower fastening bolt 5, so that chuck one 3 and chuck two 4 are fastened, so that sleeve 2 is tightly attached to the surface of sleeve 2 and fixedly attached to the reserved pipe, reducing the leakage at the connection, the outer surface of thread portion 10 is screwed with the inner surface of threaded connection cylinder 11, the length of auxiliary pipe one 1 can be increased according to the use requirement, finally gas sampling pipe 8 is inserted into the waste gas pipeline through auxiliary pipe one 1 and auxiliary pipe two 9, gas sampling pipe 8 is connected with the detection instrument, and the detection of waste gas is realized.
Claims
1. An auxiliary device for sampling and detecting exhaust gas, comprising an auxiliary tube (1), characterized in that, A sleeve (2) is bonded to one end face of the auxiliary tube (1). A chuck (3) and a chuck (4) are fitted on the surface of the sleeve (2). The chuck (3) and the chuck (4) are connected by a fastening bolt (5). A fastening nut (6) is threaded onto the surface of the fastening bolt (5). The fastening nut (6) fits against the chuck (3) and the chuck (4) when fastened. A rotating handle (7) is fixedly connected to one end face of the fastening bolt (5). A gas sampling pipe (8) passes through the inner surface of the auxiliary tube (1). An auxiliary tube (9) is detachably connected to the other end face of the auxiliary tube (1). The gas sampling pipe (8) passes through the auxiliary tube (9) and extends to the outside of the auxiliary tube (9).
2. The auxiliary device for waste gas sampling and detection according to claim 1, characterized in that, The surface of the auxiliary tube one (1) is provided with a threaded part (10), and the outer surface of the threaded part (10) is threadedly connected to a threaded connecting sleeve (11). The threaded connecting sleeve (11) is welded and connected to the auxiliary tube two (9).
3. The auxiliary device for waste gas sampling and detection according to claim 1, characterized in that, The first clamp (3) and the second clamp (4) form an annular clamp shape, and the initial position of the first clamp (3) and the second clamp (4) is slidably sleeved on the outer surface of the first auxiliary tube (1).
4. The auxiliary device for waste gas sampling and detection according to claim 1, characterized in that, The sleeve (2) is made of elastic plastic and fits tightly against the outside of the test tube.
5. The auxiliary device for waste gas sampling and detection according to claim 1, characterized in that, The outer surface of the sleeve (2) is corrugated and is clamped by a ring formed by chuck one (3) and chuck two (4).
6. The auxiliary device for waste gas sampling and detection according to claim 1, characterized in that, Both auxiliary tube one (1) and auxiliary tube two (9) have hand grip rings welded to their bottoms.