CN210323002U

CN210323002U - Combustible gas detector

Info

Publication number: CN210323002U
Application number: CN201920824880.2U
Authority: CN
Inventors: 郜东瑞; 陈海宁; 王录涛; 王辛果; 陈俊; 郭金鑫; 刘双虎
Original assignee: Chengdu University of Information Technology
Current assignee: Chengdu University of Information Technology
Priority date: 2019-06-03
Filing date: 2019-06-03
Publication date: 2020-04-14
Anticipated expiration: 2029-06-03

Abstract

The utility model belongs to the field of gas detection equipment, in particular to a combustible gas detector, aiming at the problem that the prior combustible gas detector can only detect when combustible gas is pumped into a detection cavity by using an air pump, but the combustible gas contains solid substances, when the solid substances in the air pump are excessive, the air pump is blocked, and the combustible gas can not be pumped into the detection cavity, so that the combustible gas detector can not operate, and the practicability is poor, the utility model provides a scheme, which comprises a rectangular box body without a bottom wall, wherein a bottom cover is fixed on the bottom of the box body by a screw, a rectangular air exhaust plate is movably sleeved in the box body, a vertically arranged screw is welded at the top of the air exhaust plate, and a circular first mounting hole is arranged on the top wall of the box body, the utility model can avoid the situation that the air pump is blocked by the solid substances in the combustible gas, and ensure the normal operation of the combustible gas detector, the practicability is stronger.

Description

Combustible gas detector

Technical Field

The utility model relates to a gaseous detection equipment technical field especially relates to a combustible gas detector.

Background

In the in-process of chemical production, need use the combustible gas detector to carry out the analysis to the chemical composition in the combustible gas, current combustible gas detector need use the aspiration pump to survey the chamber with the combustible gas suction and just can survey, but contains solid-state material among the combustible gas, and the solid-state material in the aspiration pump is too much after, and the aspiration pump can be stifled die, just can't survey the chamber with the combustible gas suction, leads to the combustible gas detector unable function, and the practicality is relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of combustible gas detector has solved current combustible gas detector and need use the aspiration pump to survey the chamber with the combustible gas suction and just can survey, but contains solid-state material among the combustible gas, and the solid-state material in the aspiration pump is too much after, and the aspiration pump can be blocked up, just can't survey the chamber with the combustible gas suction, leads to the combustible gas detector unable function, the relatively poor problem of practicality.

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

a combustible gas detector comprises a rectangular box body without a bottom wall, wherein a bottom cover is fixed at the bottom of the box body through a screw, a rectangular exhaust plate is movably sleeved inside the box body, a vertically arranged screw is welded at the top of the exhaust plate, a first circular mounting hole is formed in the top wall of the box body, a vertically arranged screw sleeve is rotatably sleeved in the first mounting hole, the screw is sleeved on the inner ring of the screw sleeve in a threaded manner, a mounting groove is formed in the outer top wall of the box body, a driving motor with an upward output end is fixed in the mounting groove, a gear is welded at the output end of the driving motor, a gear ring is fixedly sleeved on the outer ring of the screw sleeve above the box body, the gear is connected with the gear ring in a meshed manner, two horizontally arranged electric push rods are welded on the outer side wall of the box body, and a vertically arranged fixing plate is welded, the detector comprises a fixing plate and a box body, and is characterized in that a detector main body is installed on the side wall, close to the box body, of the fixing plate, a horizontally arranged installation pipe is welded on the side wall, close to the box body, of the detector main body, a circular second installation hole is formed in the side wall of the box body, the installation pipe is movably sleeved in the second installation hole, and a detection block is fixed at one end, located inside the box body, of the installation pipe.

Preferably, a sealing ring is fixedly sleeved in the second mounting hole on the box body, the mounting pipe is movably sleeved on an inner ring of the sealing ring, a sealing sleeve is movably sleeved in the box body, and the exhaust plate is fixedly sleeved on the inner ring of the sealing sleeve.

Preferably, a lead is connected between the detection block and the detector main body, and the lead is sleeved on the inner ring of the installation pipe.

Preferably, the diapire of aspirating plate with the interior diapire contact of box, the top of screw rod extends to the top of swivel nut and welds and have the limiting plate.

Preferably, a third mounting hole is formed in the bottom cover, a gas pipe is fixedly sleeved in the third mounting hole, and the bottom end of the gas pipe extends to the position below the bottom cover and is provided with an electromagnetic valve.

The utility model discloses in, the inner chamber of box is promptly for surveying the chamber, through driving motor, ring gear, swivel nut, screw rod, exhaust plate, seal cover, installation pipe and electric putter's mating reaction, accessible driving motor's operation drives the exhaust plate and rises to in surveying the chamber with the combustible gas suction, need not to use the aspiration pump to survey the chamber with the combustible gas suction, can avoid the solid-state material among the combustible gas to appear the stifled dead condition of aspiration pump, guarantee the normal function of combustible gas detector.

The utility model discloses can guarantee normal function, the practicality is stronger.

Drawings

Fig. 1 is a schematic structural diagram of a combustible gas detector according to the present invention;

fig. 2 is a partial enlarged view of a portion a of a combustible gas detector according to the present invention;

fig. 3 is a partial enlarged view of a portion B of a combustible gas detector according to the present invention.

In the figure: the device comprises a box body 1, a screw rod 2, an electric push rod 3, a fixing plate 4, a detector main body 5, a sealing sleeve 6, a bottom cover 7, an electromagnetic valve 8, a gas pipe 9, an air exhaust plate 10, a threaded sleeve 11, a gear ring 12, a gear wheel 13, a driving motor 14, a detection block 15, an installation pipe 16 and a sealing ring 17.

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.

Referring to fig. 1-3, a combustible gas detector comprises a rectangular box body 1 without a bottom wall, a bottom cover 7 is fixed at the bottom of the box body 1 through a screw, a rectangular air exhaust plate 10 is movably sleeved inside the box body 1, a vertically arranged screw rod 2 is welded at the top of the air exhaust plate 10, a circular first mounting hole is formed in the top wall of the box body 1, a vertically arranged screw sleeve 11 is rotatably sleeved in the first mounting hole, the screw rod 2 is in threaded sleeve connection with the inner ring of the screw sleeve 11, a mounting groove is formed in the outer top wall of the box body 1, a driving motor 14 with an upward output end is fixed in the mounting groove, a gear 13 is welded at the output end of the driving motor 14, a gear ring 12 is fixedly sleeved on the outer ring of the screw sleeve 11 above the box body 1, the gear 13 is in meshed connection with the gear ring 12, two horizontally arranged electric push rods 3 are welded on the outer side wall of the box body, install detector main part 5 on the fixed plate 4 is close to the lateral wall of box 1, and the installation pipe 16 that the level set up is welded on detector main part 5 is close to the lateral wall of box 1, has seted up the circular shape second mounting hole on the lateral wall of box 1, and installation pipe 16 activity cup joints in the second mounting hole, and the one end that installation pipe 16 is located box 1 inside is fixed with detection piece 15.

Fixed cover in the second mounting hole on box 1 has been connect sealing washer 17, the inner circle at sealing washer 17 is cup jointed in the activity of installation pipe 16, seal cover 6 has been cup jointed in the inside activity of box 1, the fixed inner circle of cup jointing at seal cover 6 of air exhaust plate 10, be connected with the wire between detection piece 15 and the detector main part 5, the inner circle at installation pipe 16 is established to the wire cover, the diapire of air exhaust plate 10 and the inner diapire contact of box 1, the top of screw rod 2 extends to the top of swivel nut 11 and the welding has the limiting plate, the third mounting hole has been seted up on the bottom 7, the gas-supply pipe 9 has been cup jointed to the third mounting hole internal fixation, the bottom of gas-supply pipe 9 extends to the.

The implementation mode is as follows: the sealing sleeve 6 and the sealing ring 17 are made of rubber materials, the shape of the outer ring of the mounting pipe 16 is matched with the shape of the inner ring of the sealing ring 17, the shape of the outer ring of the sealing sleeve 6 is matched with the shape of the inner side wall of the box body 1, the bearing sleeve is fixedly sleeved in a first mounting hole on the top wall of the box body 1, the threaded sleeve 11 is fixedly sleeved on the inner ring of the bearing sleeve, the detection block 15 is bonded on the mounting pipe 16, the detector main body 5 is positioned between the two electric push rods 3, the inner cavity of the box body 1 is a detection cavity, the fixed plate 4 and the detector main body 5 are driven to move rightwards through the extension of the electric push rods 3, the mounting pipe 16 and the detection block 15 can be driven to move leftwards to the outside of the box body 1, then the electromagnetic valve 8 is opened, the threaded sleeve 11 can be driven to rotate through the transmission of the gear 13 and the gear ring 12 through the operation of, after the displacement of exhaust plate 10 to the top of sealing washer 17, close solenoid valve 8, rethread electric putter 3's shrink drives installation pipe 16 and surveys piece 15 and insert the inside of box 1 through sealing washer 17, when surveying in piece 15 displacement to the inner chamber of box 1, can survey, need not to use the aspiration pump to survey the chamber with the combustible gas suction, can avoid the solid-state material in the combustible gas to appear the stifled dead condition of aspiration pump, guarantees the normal function of combustible gas detector, the utility model discloses can guarantee normal function, the practicality is stronger.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The combustible gas detector comprises a rectangular box body (1) without a bottom wall, and is characterized in that a bottom cover (7) is fixed at the bottom of the box body (1) through screws, a rectangular exhaust plate (10) is movably sleeved in the box body (1), a vertically arranged screw rod (2) is welded at the top of the exhaust plate (10), a first circular mounting hole is formed in the top wall of the box body (1), a vertically arranged screw sleeve (11) is rotatably sleeved in the first mounting hole, the screw rod (2) is in threaded sleeve connection with an inner ring of the screw sleeve (11), a mounting groove is formed in the outer top wall of the box body (1), a driving motor (14) with an upward output end is fixed in the mounting groove, a gear (13) is welded at the output end of the driving motor (14), and a gear ring (12) is fixed on an outer ring of the screw sleeve (11) above the box body (1), gear (13) are connected with ring gear (12) meshing, two electric putter (3) that the level set up, two are welded on the lateral wall of box (1) the output welding of electric putter (3) has fixed plate (4) of perpendicular setting, install detector main part (5) on fixed plate (4) are close to the lateral wall of box (1), installation pipe (16) that the level set up are welded on detector main part (5) are close to the lateral wall of box (1), the circular shape second mounting hole has been seted up on the lateral wall of box (1), installation pipe (16) activity cup joints in the second mounting hole, the one end that installation pipe (16) are located box (1) inside is fixed with and surveys piece (15).

2. The combustible gas detector according to claim 1, wherein a sealing ring (17) is fixedly sleeved in a second mounting hole on the box body (1), the mounting pipe (16) is movably sleeved on an inner ring of the sealing ring (17), a sealing sleeve (6) is movably sleeved in the box body (1), and the air exhaust plate (10) is fixedly sleeved on the inner ring of the sealing sleeve (6).

3. A combustible gas detector according to claim 1 or 2 characterised in that a lead is connected between the detector block (15) and the detector body (5) and is sheathed in the inner ring of the mounting tube (16).

4. A combustible gas detector according to claim 3, characterized in that the bottom wall of the gas extraction plate (10) is in contact with the inner bottom wall of the box body (1), and the top end of the screw (2) extends above the threaded sleeve (11) and is welded with a limiting plate.

5. The combustible gas detector according to claim 4, wherein a third mounting hole is formed in the bottom cover (7), a gas pipe (9) is fixedly sleeved in the third mounting hole, and the bottom end of the gas pipe (9) extends to the lower part of the bottom cover (7) and is provided with the electromagnetic valve (8).