CN213574227U

CN213574227U - Portable mine gas detection and protection device

Info

Publication number: CN213574227U
Application number: CN202022852246.5U
Authority: CN
Inventors: 钱洪友
Original assignee: Chongqing Hengan Technology Co ltd
Current assignee: Chongqing Hengan Technology Co ltd
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-06-29
Anticipated expiration: 2030-12-02

Abstract

The utility model relates to the technical field of mining safety equipment, in particular to a portable mine gas detection and protection device, which comprises a shell, wherein a gas detection disc is arranged at the center of the upper end of the shell, a gas suction hole is formed at the upper side of the gas detection disc, a filter screen is fixedly connected with the inner wall of the gas suction hole, a through hole is formed in the center of the gas detection disc, a knob is fixedly arranged in the through hole, a handle is fixedly connected with the upper end of the knob, the knob and the handle are arranged into an integral structure, the mine gas detection and protection device is arranged as a gas detector, the filter screen is arranged on the inner wall of the gas suction hole of the gas detector and can intercept sundries such as floccules in the air, a dustproof cover is arranged in the gas suction hole, when the gas detector is not used, the dustproof cover in the shell is rotated to the position under the gas suction hole through the knob at the center, the sensor inside is protected for gas detector can keep higher detection precision for a long time.

Description

Portable mine gas detection and protection device

Technical Field

The utility model relates to a mining safety equipment technical field specifically is a portable mine gas detection and protector.

Background

In some working environments, such as tunnels, underground pipelines, mines, enclosed spaces, etc., or spaces where finishing work is performed, there are often problems of environmental gas invasion, such as carbon monoxide, methane, etc. Under this condition, need poisonous and harmful gas detector to detect, report to the police through detecting and come the suggestion staff, and then guarantee the health of operation personnel. When the four-in-one gas detector with the model number of JXCT-3001-BXS is used, air enters the detector through the air suction hole, the concentration of various gases in the air is detected through the sensor, whether harmful gases in the air reach the standard or not is judged, and if the concentration exceeds the standard, an alarm lamp is turned on to warn workers to guarantee the life safety of the workers. But this gas detection appearance's suction opening department does not have safeguard measure, and inside dust and debris in the air got into the detector from suction opening department very easily, the pollution sensor made the sensitivity of sensor reduce, influenced the detection precision of detector, threatened staff's life safety, for this reason, the utility model provides a portable mine gas detection and protector is used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable mine gas detection and protector to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a portable mine gas detection and protection device comprises a shell, wherein a gas detection disc is arranged at the center of the upper end of the shell, a gas suction hole is formed in the upper side of the gas detection disc, a filter screen is fixedly connected to the inner wall of the gas suction hole, a through hole is formed in the center of the gas detection disc, a knob is fixedly mounted in the through hole, a handle is fixedly connected to the upper end of the knob, the knob and the handle are arranged into an integral structure, a fixed block is fixedly connected to the lower side of the knob and positioned in the shell, a fixed plate is fixedly connected to the side wall of the fixed block, a rotating shaft is fixedly connected to the upper side of one end of the fixed plate, the fixed plate and the rotating shaft are arranged into an integral structure, a dustproof cover is arranged above the fixed plate, tooth ridges are formed in the side wall of the dustproof cover, tooth grooves are formed, the inner wall fixedly connected with of casing is a plurality of baffles, and is a plurality of the baffle equidistance distributes on the inner wall of casing, the top fixed mounting of casing has the warning light.

Preferably, the number of the air suction holes is four, and the air suction holes are symmetrically distributed on four sides of the gas detection plate.

Preferably, a groove is formed in the inner wall of one side of the shell, the other end of the fixing block is located inside the groove, and the fixing block is rotatably connected with the inner wall of the shell.

Preferably, the fixed plate is provided with four, and the equidistance is installed on the lateral wall of fixed block.

Preferably, the center of the bottom of the dustproof cover is provided with a groove, and the other end of the rotating shaft is inserted into the groove and is rotatably connected with the dustproof cover.

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

1. the mine gas detection and protection device is set as a gas detector, a filter screen is installed on the inner wall of an air suction hole of the gas detector, impurities such as floccules and the like in the air can be intercepted, a dustproof cover is arranged in the air suction hole, when the gas detector is not used, the dustproof cover in the shell is rotated to the position right below the air suction hole through a knob at the center of a gas detection disc, dust in the air is blocked, an internal sensor is protected, and the gas detector can keep high detection precision for a long time;

2. this gaseous detector convenient to carry, easy to operate, and the protector through the suction hole can guarantee the accurate nature of detector to guarantee staff's life safety, the practicality is better.

Drawings

FIG. 1 is a schematic view of the gas detector of the present invention;

FIG. 2 is a top view of the internal structure of the gas detection plate of the present invention;

fig. 3 is a side view of the internal structure of the gas detection plate of the present invention.

In the figure: the gas detection device comprises a shell 1, a gas detection plate 2, a suction hole 3, a filter screen 4, a knob 5, a handle 6, a fixing block 7, a fixing plate 8, a rotating shaft 9, a dustproof cover 10, a tooth groove 11, a tooth ridge 12, a baffle 13 and an alarm lamp 14.

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.

Referring to fig. 1 to 3, the present invention provides a technical solution: a portable mine gas detection and protection device comprises a shell 1, a gas detection disc 2 is arranged at the center of the upper end of the shell 1, a gas suction hole 3 is formed in the upper side of the gas detection disc 2, a filter screen 4 is fixedly connected to the inner wall of the gas suction hole 3, air enters the gas detection disc 2 from the gas suction hole 3, floccules and other impurities in the air are intercepted by the filter screen 4 when passing through the gas suction hole 3, a through hole is formed in the center of the gas detection disc 2, a knob 5 is fixedly installed in the through hole, a handle 6 is fixedly connected to the upper end of the knob 5, the knob 5 and the handle 6 are arranged into an integral structure, a fixed block 7 is fixedly connected to the lower side of the knob 5, the fixed block 7 is located in the shell 1, a fixed plate 8 is fixedly connected to the side wall of the fixed block 7, a rotating shaft 9 is fixedly connected to the, fixed plate 8's top is provided with shield 10, the stupefied 12 of tooth has been seted up on shield 10's the lateral wall, tooth's socket 11 has been seted up to casing 1's inner wall, the stupefied 12 of tooth is connected with the meshing of tooth's socket 11, a plurality of baffles 13 of casing 1's inner wall fixedly connected with, and a plurality of baffles 13 equidistance distributes on casing 1's inner wall, when not using the detector, through the rotatory knob 5 of handle 6, until shield 10 contacts with baffle 13, at this moment shield 10 has just rotated under suction opening 3, seal suction opening 3, it is inside to block that the dust in the air falls into the detector, the protection sensor, casing 1's top fixed mounting has warning light 14, the inside air of entering detector goes out harmful gas's concentration through sensor analysis, if exceed standard then can light warning light 14 with warning people.

Further, suction hole 3 is provided with four, and the symmetric distribution is in four sides of gaseous detection dish 2, can detect four kinds of different gases simultaneously, the recess is seted up to one side inner wall of casing 1, the other end of fixed block 7 is located inside the recess, fixed block 7 rotates with casing 1's inner wall to be connected, fixed plate 8 is provided with four, and the equidistance is installed on the lateral wall of fixed block 7, shield 10 bottom center department sets up flutedly, the other end of pivot 9 injects in the recess and is connected with shield 10 rotation, when gaseous detector does not use, knob 5 through gaseous detection dish 2 center department rotates shield 10 inside casing 1 to suction hole 3 under, block the dust in the air, protect inside sensor, make gaseous detector can keep higher detection precision for a long time.

The working principle is as follows: when the mine gas detection and protection device is used, a gas detector is started, air enters the gas detection disc 2 from an air suction hole 3, floccules and other impurities in the air are intercepted by a filter screen 4 when the air passes through the air suction hole 3, the concentration of harmful gas in the air entering the detector is analyzed by a sensor, if the harmful gas exceeds the standard, an alarm lamp 14 is turned up to warn people, when the detector is not used, a knob 5 is rotated by a handle 6 until a dustproof cover 10 is in contact with a baffle 13, and at the moment, the dustproof cover 10 rotates to be right below the air suction hole 3 to seal the air suction hole 3 and prevent dust in the air from falling into the detector to protect the sensor; this mine gas detects and protector sets up to a gas detector, filter screen 4 has been installed to the inner wall at the suction opening 3 of gas detector, debris such as floccule in the interception air, dust cover 10 has been set up in the inside of suction opening 3, when gas detector does not use, knob 5 through gas detection dish 2 center department rotates the inside dust cover 10 of casing 1 under suction opening 3, block the dust in the air, protect inside sensor, make gas detector can keep higher detection precision for a long time, this gas detector convenient to carry, easy to operate, and can guarantee the accurate nature of detector through the protector of suction opening 3, thereby guarantee staff's life safety, the practicality is better.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A portable mine gas detection and protection device, includes casing (1), its characterized in that: the gas detection device is characterized in that a gas detection disc (2) is arranged at the center of the upper end of the shell (1), a gas suction hole (3) is formed in the upside of the gas detection disc (2), a filter screen (4) is fixedly connected to the inner wall of the gas suction hole (3), a through hole is formed in the center of the gas detection disc (2), a knob (5) is fixedly mounted in the through hole, a handle (6) is fixedly connected to the upper end of the knob (5), the knob (5) and the handle (6) are arranged into an integral structure, a fixed block (7) is fixedly connected to the lower side of the knob (5), the fixed block (7) is positioned in the shell (1), a fixed plate (8) is fixedly connected to the side wall of the fixed block (7), a rotating shaft (9) is fixedly connected to the upside of one end of the fixed plate (8), and the fixed plate, the top of fixed plate (8) is provided with shield (10), the stupefied (12) of tooth has been seted up on the lateral wall of shield (10), tooth's socket (11) have been seted up to the inner wall of casing (1), stupefied (12) of tooth are connected with tooth's socket (11) meshing, a plurality of baffle of inner wall fixedly connected with (13) of casing (1), and a plurality of baffle (13) equidistance distributes on the inner wall of casing (1), the top fixed mounting of casing (1) has warning light (14).

2. The portable mine gas detection and protection device of claim 1, wherein: the number of the air suction holes (3) is four, and the four air suction holes are symmetrically distributed on the four sides of the gas detection disc (2).

3. The portable mine gas detection and protection device of claim 1, wherein: a groove is formed in the inner wall of one side of the shell (1), the other end of the fixing block (7) is located inside the groove, and the fixing block (7) is rotatably connected with the inner wall of the shell (1).

4. The portable mine gas detection and protection device of claim 1, wherein: the fixed plate (8) is provided with four, and the equidistance is installed on the lateral wall of fixed block (7).

5. The portable mine gas detection and protection device of claim 1, wherein: the center of the bottom of the dustproof cover (10) is provided with a groove, and the other end of the rotating shaft (9) is inserted into the groove and is rotationally connected with the dustproof cover (10).