CN211856525U

CN211856525U - Dioxin exhaust-gas detection is with preventing revealing probe

Info

Publication number: CN211856525U
Application number: CN202020527538.9U
Authority: CN
Inventors: 孔维维
Original assignee: Jiangsu New Testing And Testing Technology Co ltd
Current assignee: Jiangsu New Testing And Testing Technology Co ltd
Priority date: 2020-04-10
Filing date: 2020-04-10
Publication date: 2020-11-03
Anticipated expiration: 2030-04-10

Abstract

The utility model discloses a leak-proof probe for detecting dioxin waste gas, which comprises a probe pipe with one end capable of being inserted into the waste gas pipeline and a locking device capable of being locked outside the waste gas pipeline, wherein the locking device comprises a sealing device, a pre-tightening device and two racks for connecting the sealing device and the pre-tightening device; the pre-tightening device comprises a pre-tightening block, the left side and the right side of the pre-tightening block are respectively provided with symmetrically arranged through grooves, the rack penetrates through the other end of the corresponding through groove, and the fixing device for fixing the rack is arranged inside the pre-tightening block. The utility model fixes the device on the waste gas pipeline through the locking device, the mounting plate is propped against the air outlet, the sealing effect can be achieved, and the worker does not need to hold the gas detecting pipe by hand, thereby reducing the risk of sucking the toxic gas; this device can be suitable for the exhaust gas duct of different diameters.

Description

Dioxin exhaust-gas detection is with preventing revealing probe

Technical Field

The utility model belongs to the technical field of exhaust-gas detection, concretely relates to dioxin exhaust-gas detection is with preventing revealing probe.

Background

Dioxin comprises 210 compounds, and the substances are very stable, have high melting points, are very insoluble in water, can be dissolved in most organic solvents, are colorless and tasteless fat-soluble substances, are very easy to accumulate in organisms and seriously harm human bodies.

90% of dioxin among the atmospheric environment derives from city and industrial refuse burning, the exhaust passes through waste gas pipeline, for the convenience of collecting gas, can be at waste gas pipeline's a side-mounting gas outlet, collect the in-process at waste gas, will visit the trachea and insert from the gas outlet, because collection device can't guarantee sealed, collect the gaseous in-process, the staff also can inhale toxic gas, cause the damage to the health, for this reason, the dioxin exhaust-gas detection that can solve above-mentioned problem is with preventing revealing the probe.

SUMMERY OF THE UTILITY MODEL

To the problem that above-mentioned prior art exists, the utility model provides a dioxin exhaust-gas detection is with preventing revealing probe can realize sealed effectual exhaust gas collection device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a leak-proof probe for detecting dioxin waste gas comprises a gas detecting pipe and a locking device, wherein one end of the gas detecting pipe can be inserted into a waste gas pipeline, the locking device can be locked outside the waste gas pipeline, and the locking device comprises a sealing device, a pre-tightening device and two racks for connecting the sealing device and the pre-tightening device;

sealing device is including pasting the mounting panel of tight on the gas outlet outer wall, the sleeve is installed in the outside of mounting panel, the one end spiro union of telescopic inside and clamping sleeve, the inside that clamping sleeve, sleeve and mounting panel inserted waste gas pipeline from the gas outlet is run through to the one end of spy trachea, when the clamping sleeve is screwed up in the sleeve: the gas detecting pipe is fixed inside the clamping sleeve;

the pre-tightening device comprises a pre-tightening block, the left side and the right side of the pre-tightening block are respectively provided with symmetrically arranged through grooves, the rack penetrates through one end of each corresponding through groove and the other end of each corresponding through groove penetrates out of the through groove, and a fixing device for fixing the rack is arranged inside the pre-tightening block.

Preferably, the middle of the outer annular surface of the clamping sleeve is provided with threads, the front end of the clamping sleeve is conical, a plurality of vertical grooves which are uniformly distributed and arranged along the radial direction are formed in the front end of the clamping sleeve, an annular inclined groove matched with the conical shape is formed in the sleeve, and a sealing gasket is arranged in the clamping sleeve.

Preferably, square shell is installed to the upper end of pretension piece, the inside engagement of pretension piece is connected with driving gear and driven gear, the rack is arranged in the outside of driving gear and driven gear, and two racks are connected with driving gear and driven gear meshing respectively, the outside of rack is rotated and is installed and is used for supporting the runner that tightly corresponds the rack, the inside rotation of square shell install with driving gear coaxial coupling's ratchet, there is the draw runner one side of ratchet through spring slidable mounting, the one end and the mutual joint of ratchet of draw runner, the externally mounted of square shell has the post of screwing up of being connected with the ratchet.

Preferably, the outer end of the gas detection pipe is provided with a gas outlet pipe, and one end of the gas outlet pipe, which is far away from the gas detection pipe, is connected with an external detector.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model fixes the device on the waste gas pipeline through the locking device, the mounting plate is tightly propped against the air outlet, the sealing effect can be achieved, and the worker does not need to hold the gas detecting pipe by hand, thereby reducing the risk of sucking toxic gas;

(2) the utility model discloses an installation clamping sleeve and sleeve in sealing device, and the clamping sleeve can be fixed at spy tracheal optional position, and the degree of depth in the waste gas pipeline is deepened to adjustable spy trachea, realizes that this device can be suitable for the waste gas pipeline of different diameters.

Drawings

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

FIG. 2 is a partial cross-sectional view of the exhaust pipe, the sealing device and the probe tube of the present invention;

FIG. 3 is a schematic structural view of the clamping sleeve of the present invention;

FIG. 4 is a partial cross-sectional view of the present device and exhaust conduit;

fig. 5 is an internal cross-sectional view of the square housing of the present invention;

fig. 6 is an enlarged view of a portion a in fig. 4 according to the present invention.

Description of reference numerals:

1. waste gas pipeline, 2, pretension piece, 3, rack, 4, screw post, 5, visit trachea, 6, clamping sleeve, 7, mounting panel, 8, runner, 9, driving gear, 10, driven gear, 11, outlet duct, 12, square shell, 13, spring, 14, draw runner, 15, ratchet, 16, sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 to 6, an anti-leakage probe for detecting dioxin exhaust gas comprises a probe tube 5 with one end capable of being inserted into an exhaust gas pipeline 1 and a locking device capable of being locked outside the exhaust gas pipeline 1, wherein an air outlet tube 11 is mounted at the outer end of the probe tube 5, one end of the air outlet tube 11, which is far away from the probe tube 5, is connected with an external detection instrument, the detection instrument can be used for monitoring harmful gases such as dioxin contained in the gases, the locking device comprises a sealing device, a pre-tightening device and two racks 3 for connecting the sealing device and the pre-tightening device, and the pre-tightening device can tighten the racks 3 to fix the device on the exhaust gas pipeline 1;

the sealing device comprises a mounting plate 7 tightly attached to the outer wall of the gas outlet, the mounting plate 7 is made of rubber, the mounting plate 7 is tightly attached to the outer side of the gas outlet and can prevent gas from being discharged, a sleeve 16 is mounted on the outer side of the mounting plate 7, the inside of the sleeve 16 is in threaded connection with one end of a clamping sleeve 6, one end of the probe tube 5 penetrates through the clamping sleeve 6, the sleeve 16 and the mounting plate 7 and is inserted into the waste gas pipeline 1 from the gas outlet, threads are arranged in the middle of the outer annular surface of the clamping sleeve 6, the front end of the clamping sleeve 6 is conical, a plurality of uniformly distributed vertical grooves which are arranged along the radial direction are formed in the front end, an annular chute matched with the conical shape is formed in the inside of the sleeve 16, a sealing gasket is arranged in the inside of the clamping sleeve: the gas detecting pipe 5 is fixed inside the clamping sleeve 6, the clamping sleeve 6 is screwed, when the clamping sleeve 6 is screwed inside the sleeve 16 and the clamping sleeve 6 slides inwards, the front end of the clamping sleeve 6 is close inwards in a conical shape, and the gas detecting pipe 5 can be clamped;

the pre-tightening device comprises a pre-tightening block 2, the left side and the right side of the pre-tightening block 2 are respectively provided with through grooves which are symmetrically arranged, a rack 3 penetrates into the other end of the pre-tightening block from one end corresponding to the through grooves, a fixing device for fixing the rack 3 is arranged inside the pre-tightening block 2, a square shell 12 is arranged at the upper end of the pre-tightening block 2, a driving gear 9 and a driven gear 10 are connected inside the pre-tightening block 2 in a meshed mode, the rack 3 is arranged on the outer sides of the driving gear 9 and the driven gear 10, the two racks 3 are respectively connected with the driving gear 9 and the driven gear 10 in a meshed mode, a rotating wheel 8 for tightly abutting against the corresponding rack 3 is rotatably arranged on the outer side of the rack 3, a ratchet wheel 15 coaxially connected with the driving gear 9 is rotatably arranged inside the square shell 12, a slide bar 14 is slidably arranged on one side of the ratchet wheel 15 through a spring 13, the outer portion of the square shell 12 is provided with a screwing column 4 connected with a ratchet 15, the screwing column 4 is screwed, the screwing column 4 drives the ratchet 15 to rotate, under the matching of a sliding strip 14 and the ratchet 15, the ratchet 15 cannot rotate reversely, the ratchet 15 drives a driving gear 9 to rotate, the driving gear 9 is meshed with a driven gear 10 to be connected, the rotating directions of the driving gear 9 and the driven gear 10 are opposite, the rack 3 can be driven to slide towards the outer side and be tightly bound on the waste gas pipeline 1, when release is needed, the sliding strip 14 is pulled towards the outer side, the sliding strip 14 slides towards one side far away from the ratchet 15, the rotation of the ratchet 15 is not limited, and the pre-tightening block 2 is pulled towards the outer side.

When in use, one end of the rack 3 penetrates out of the through groove on the pre-tightening block 2, the mounting plate 7 is propped against the outside of the air outlet, the tightening column 4 is rotated, the tightening column 4 drives the ratchet wheel 15 to rotate, under the matching of the slide bar 14 and the ratchet wheel 15, the ratchet wheel 15 can not rotate reversely, the ratchet wheel 15 drives the driving gear 9 to rotate, the driving gear 9 is meshed with the driven gear 10, the rotation directions of the driving gear 9 and the driven gear 10 are opposite, the rack 3 can be driven to slide outwards and be tightly bound on the waste gas pipeline 1, then the gas detecting pipe 5 penetrates through the clamping sleeve 6 and the sleeve 16 and is inserted into the waste gas pipeline 1 from the gas outlet, the clamping sleeve 6 is screwed in the sleeve 16, the annular chute inside the sleeve 16 can extrude the front end of the clamping sleeve 6 inwards, the front end of the clamping sleeve 6 clamps the probe tube 5 and fixes the probe tube 5, and after the fixation is completed, the waste gas inside the waste gas pipeline 1 can be extracted and detected.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a dioxin exhaust-gas detection is with preventing revealing probe which characterized in that: the device comprises a gas detecting pipe (5) with one end capable of being inserted into the waste gas pipeline (1) and a locking device capable of being locked outside the waste gas pipeline (1), wherein the locking device comprises a sealing device, a pre-tightening device and two racks (3) for connecting the sealing device and the pre-tightening device;

sealing device is including pasting mounting panel (7) tight on the gas outlet outer wall, sleeve (16) are installed to the outside of mounting panel (7), the inside of sleeve (16) and the one end spiro union of clamp sleeve (6), the inside that clamp sleeve (6), sleeve (16) and mounting panel (7) inserted exhaust gas conduit (1) from the gas outlet is run through to the one end of probe pipe (5), when clamp sleeve (6) are screwed up in sleeve (16): the gas detecting pipe (5) is fixed inside the clamping sleeve (6);

the pre-tightening device comprises a pre-tightening block (2), the left side and the right side of the pre-tightening block (2) are respectively provided with symmetrically arranged through grooves, the rack (3) penetrates into the other end of the pre-tightening block from one end corresponding to the through grooves and penetrates out of the through grooves, and a fixing device used for fixing the rack (3) is installed inside the pre-tightening block (2).

2. The dioxin exhaust gas detection leakage prevention probe according to claim 1, wherein threads are formed in the middle of the outer annular surface of the clamping sleeve (6), the front end of the clamping sleeve (6) is conical, a plurality of vertical grooves which are uniformly distributed and arranged in the radial direction are formed in the front end of the clamping sleeve, an annular inclined groove which is matched with the conical shape is formed in the sleeve (16), and a sealing gasket is arranged in the clamping sleeve (6).

3. The dioxin exhaust gas detection leakage prevention probe according to claim 2, characterized in that a square housing (12) is installed at the upper end of the pre-tightening block (2), a driving gear (9) and a driven gear (10) are engaged and connected to the inside of the pre-tightening block (2), the racks (3) are arranged on the outer sides of the driving gear (9) and the driven gear (10), two racks (3) are respectively engaged and connected with the driving gear (9) and the driven gear (10), a rotating wheel (8) for abutting against the corresponding rack (3) is rotatably installed on the outer side of each rack (3), a ratchet (15) coaxially connected with the driving gear (9) is rotatably installed on the inside of the square housing (12), a slide bar (14) is slidably installed on one side of the ratchet (15) through a spring (13), and one end of the slide bar (14) is clamped with the ratchet (15), and a tightening column (4) connected with a ratchet wheel (15) is arranged outside the square shell (12).

4. The dioxin exhaust gas detection leakage prevention probe according to claim 3, wherein an outlet pipe (11) is attached to an outer end of the probe pipe (5), and an end of the outlet pipe (11) remote from the probe pipe (5) is connected to an external detector.