CN212722770U

CN212722770U - Gas detector convenient to dismouting

Info

Publication number: CN212722770U
Application number: CN202020970914.1U
Authority: CN
Inventors: 王向阳
Original assignee: Nanjing Constant Technology Development Co ltd
Current assignee: Nanjing Constant Technology Development Co ltd
Priority date: 2020-06-01
Filing date: 2020-06-01
Publication date: 2021-03-16
Anticipated expiration: 2030-06-01

Abstract

The utility model discloses a gaseous detector convenient to dismouting relates to gaseous detector technical field, can adsorb the inside that enters into gaseous detector with external dust for the electrostatic effect who produces in solving the use, causes inside electrical part radiating efficiency to descend, owing to can be not convenient for dismantle, has increased the degree of difficulty of clearance, has reduced the problem of gaseous detector's efficiency to a certain extent. One side of first casing is provided with the second casing, the inside of first casing is provided with the fixed column, be provided with the air chamber on the first casing, one side of air chamber is provided with the aspiration pump, the both sides of aspiration pump all are provided with the air duct, the one end of air duct is provided with the connector, the inside of connector is provided with the filter screen, one side of connector is provided with flexible rubber hose, one side of second casing is provided with liquid crystal display, liquid crystal display's below is provided with button and shift knob.

Description

Gas detector convenient to dismouting

Technical Field

The utility model relates to a gaseous detector technical field specifically is a gaseous detector convenient to dismouting.

Background

The brands of gas detectors include Mesean (MSA), Honeywell, Tean, Gaoyang, etc. The gas detector is an instrument and meter tool for detecting gas leakage concentration, and mainly refers to a portable/handheld gas detector. Gas sensors are used to detect the types of gases present in the environment, and are sensors used to detect the composition and content of gases. The gas detector is classified according to detection objects and comprises a combustible gas (containing methane) detection alarm instrument, a toxic gas detection alarm instrument and an oxygen detection alarm instrument. The combustible gas is classified according to the detection principle, and the combustible gas is detected by a catalytic combustion type, a semiconductor type, a thermal conductivity type, an infrared absorption type and the like; the toxic gas detection is of electrochemical type, semiconductor type, etc.; the oxygen detection is of electrochemical type.

At present, the gas detection appearance casing that uses all is overall structure mostly, and the electrostatic effect who produces in the use can adsorb the inside that enters into gas detection appearance with external dust, causes inside electrical part radiating efficiency to descend, owing to can be not convenient for dismantle, has increased the degree of difficulty of clearance, has reduced gas detection appearance's efficiency to a certain extent, can not satisfy the user demand. Therefore, a gas detector convenient to disassemble and assemble is urgently needed in the market to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gas detection appearance convenient to dismouting to the static effect who produces in the use can adsorb the inside that enters into gas detection appearance with external dust in solving above-mentioned background art, causes inside electrical part radiating efficiency to descend, owing to can be not convenient for dismantle, has increased the degree of difficulty of clearance, has reduced gas detection appearance's efficiency to a certain extent, can not satisfy the problem of user demand.

In order to achieve the above object, the utility model provides a following technical scheme: a gas detector convenient to disassemble and assemble comprises a first shell, wherein one side of the first shell is provided with a second shell, fixed columns are arranged in the first shell, four fixed columns are arranged in the first shell, the fixed columns and the first shell are arranged into an integral structure, one side of the second shell is provided with a locking bolt, one end of the locking bolt penetrates through the second shell and extends into the fixed columns, the locking bolt is attached to the second shell and is in threaded connection with the fixed columns, the first shell is provided with a gas chamber, the gas chamber is connected with the first shell through screws, one side of the gas chamber is provided with an air suction pump, gas guide pipes are arranged on two sides of the air suction pump, one end of each gas guide pipe extends into the gas chamber, one end of each gas guide pipe is provided with a connector, the connector is in sealed connection with the gas guide pipes, a filter screen is arranged in the connector, and the filter screen is connected with the inner wall laminating of connector, one side of connector is provided with rubber hose, and rubber hose and connector joggle, rubber hose's one end is provided with detects the head, and detects head and rubber hose sealing connection, one side of second casing is provided with liquid crystal display, liquid crystal display's below is provided with button and shift knob, and button, shift knob and liquid crystal display all pass through the screw connection with the second casing.

Preferably, a sealing gasket is arranged between the first shell and the second shell, and the sealing gasket is respectively attached to the first shell and the second shell.

Preferably, the inner sides of the first shell and the second shell are both provided with dust screens, the dust screens are respectively attached to the first shell and the second shell, one side of each dust screen is provided with a heat dissipation groove, and one end of each heat dissipation groove penetrates through the first shell and the second shell respectively and extends to the outer portions of the first shell and the second shell.

Preferably, one side of air chamber is provided with the perforating hole, the one end of air chamber is provided with the exhaust hole, and exhaust hole and air chamber set up structure as an organic whole, the one end in exhaust hole runs through the perforating hole and extends to the outside of first casing, the inside in exhaust hole is provided with the dust screen, and the dust screen is connected with the inner wall laminating in exhaust hole, be provided with sealed the pad between exhaust hole and the perforating hole, and sealed pad is laminated with exhaust hole and first casing respectively mutually.

Preferably, the inside of air chamber is provided with gas sensor, and gas sensor is provided with two, and gas sensor and air chamber laminating are connected.

Preferably, the storage battery is arranged below the air chamber and attached to the first shell, and the battery box is arranged on one side of the storage battery and joggled with the first shell.

Preferably, one side of the second shell is provided with a buzzer and an alarm lamp, and the buzzer and the alarm lamp are connected with the second shell through screws.

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

1. the utility model discloses a device passes the fitting pin through the second casing and screw in to the fixed column through the setting of connector, sealed pad, fixed column and fitting pin, makes the fitting pin laminate with the second casing, can splice second casing and first casing, can dismantle the gas detector by extracting the fitting pin, and sealed pad has increased the leakproofness of being connected between second casing and the first casing; the filter screen inside with the help of the connector can purify the gas of extraction, and the particulate matter that will mix is detained, improves detection efficiency, again because rubber hose and connector joggle can take off rubber hose and will pile up the particulate matter clearance on the filter screen. The problem of can purify the gas of extraction, improve detection efficiency and the detector dismouting of being convenient for overhauls is solved.

2. The utility model can dredge the heat inside by the heat dissipation groove through the arrangement of the dustproof net, the heat dissipation groove, the buzzer and the alarm lamp, and can prevent external dust from entering the gas detector by the dustproof net; and the buzzer and the alarm lamp can alarm when abnormality is detected. The problem of can dredge away the heat that the electrical part produced and in time warn when detecting the anomaly, the person of being convenient for in time takes remedial measure is solved.

Drawings

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

FIG. 2 is a front view of the present invention;

fig. 3 is a rear view of the present invention;

fig. 4 is a side view of the present invention;

fig. 5 is a partial enlarged view of the area a of the present invention.

In the figure: 1. a first housing; 2. a dust screen; 3. a heat sink; 4. fixing a column; 5. a storage battery; 6. an air chamber; 7. a gas sensor; 8. an exhaust hole; 9. an air pump; 10. an air duct; 11. a rubber hose; 12. a detection head; 13. a second housing; 14. a locking bolt; 15. pressing a key; 16. a switch button; 17. a buzzer; 18. an alarm light; 19. a liquid crystal display screen; 20. a through hole; 21. a gasket; 22. a battery case; 23. a connector; 24. and (5) filtering by using a filter screen.

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. 1-5, the present invention provides an embodiment: a gas detector convenient for disassembly and assembly comprises a first shell 1, wherein one side of the first shell 1 is provided with a second shell 13, the inside of the first shell 1 is provided with four fixing columns 4, the fixing columns 4 and the first shell 1 are arranged into an integral structure, one side of the second shell 13 is provided with a locking bolt 14, one end of the locking bolt 14 penetrates through the second shell 13 and extends to the inside of the fixing column 4, the locking bolt 14 can fixedly connect the second shell 13 and the first shell 1, the locking bolt 14 is attached to the second shell 13, the locking bolt 14 is in threaded connection with the fixing column 4, the first shell 1 is provided with a gas chamber 6, the gas chamber 6 is connected with the first shell 1 through screws, one side of the gas chamber 6 is provided with a gas suction pump 9, the gas suction pump 9 can suck external gas and inject the gas into the gas chamber 6, both sides of the gas suction pump 9 are provided with gas guide tubes 10, one end of the air duct 10 extends into the air chamber 6, one end of the air duct 10 is provided with a connector 23, the connector 23 is hermetically connected with the air duct 10, a filter screen 24 is arranged inside the connector 23, and the filter screen 24 is jointed and connected with the inner wall of the connector 23, the filter screen 24 can purify the extracted gas and retain the mixed particulate matter, one side of the connector 23 is provided with the rubber hose 11, and the rubber hose 11 is joggled with the connector 23, one end of the rubber hose 11 is provided with a detection head 12, the detection head 12 is hermetically connected with the rubber hose 11, one side of the second shell 13 is provided with a liquid crystal display 19, a key 15 and a switch button 16 are arranged below the liquid crystal display 19, and the keys 15, the switch buttons 16 and the liquid crystal display 19 are all connected with the second shell 13 through screws, and the liquid crystal display 19 can display the detection result.

Further, a gasket 21 is disposed between the first housing 1 and the second housing 13, and the gasket 21 is attached to the first housing 1 and the second housing 13, respectively. The sealing property of the connection between the first housing 1 and the second housing 13 can be increased by the gasket 21.

Further, the inner sides of the first shell 1 and the second shell 13 are provided with dust screens 2, the dust screens 2 are respectively attached to the first shell 1 and the second shell 13, one side of the dust screens 2 is provided with heat dissipation grooves 3, and one ends of the heat dissipation grooves 3 respectively penetrate through the first shell 1 and the second shell 13 and extend to the outer portions of the first shell 1 and the second shell 13. Can dredge away the heat of inside through radiating groove 3, avoid external dust to get into with the help of dust screen 2.

Further, one side of air chamber 6 is provided with perforating hole 20, the one end of air chamber 6 is provided with exhaust hole 8, and exhaust hole 8 sets up structure as an organic whole with air chamber 6, the one end of exhaust hole 8 runs through perforating hole 20 and extends to the outside of first casing 1, the inside of exhaust hole 8 is provided with dust screen 2, and dust screen 2 is connected with the inner wall laminating in exhaust hole 8, be provided with sealed pad 21 between exhaust hole 8 and the perforating hole 20, and sealed pad 21 laminates with exhaust hole 8 and first casing 1 respectively mutually. External dust can be prevented from entering the interior of the detector and the air chamber 6 through the sealing gasket 21 and the dust screen 2, and detection interference is reduced.

Further, the inside of air chamber 6 is provided with gas sensor 7, and gas sensor 7 is provided with two, and gas sensor 7 is connected with the laminating of air chamber 6. The gas volume fraction is converted into a corresponding electrical signal by the gas sensor 7, thereby detecting the gas.

Further, a storage battery 5 is arranged below the air chamber 6, the storage battery 5 is attached to the first shell 1, a battery box 22 is arranged on one side of the storage battery 5, and the battery box 22 is in joggle joint with the first shell 1. The electrical components inside the apparatus can be supplied with power by means of a battery 5.

Further, a buzzer 17 and an alarm lamp 18 are provided at one side of the second housing 13, and both the buzzer 17 and the alarm lamp 18 are connected to the second housing 13 by screws. The buzzer 17 and the warning lamp 18 can give a warning in time when an abnormality is detected.

The working principle is as follows: during the use, to detect head 12 alignment and wait to detect gas transmission pipeline position department, press shift knob 16 and can drive the inside electrical part of gas detector and carry out work, with gas extraction and injection into air chamber 6 under the effect of aspiration pump 9, can detect the gas of extraction with the help of the inside gas sensor 7 of air chamber 6, and will detect data and show on liquid crystal display 19, when detecting data is unusual, bee calling organ 17 and warning light 18 are triggered this moment, thereby carry out audible and visual alarm, in time warn the staff. And can be adjusted by means of the keys 15 to meet different detection requirements. When the extracted gas passes through the filter screen 24, the gas passing through can be filtered by the filter screen 24, the mixed particulate matters are retained and accumulated on the filter screen 24, and the rubber hose 11 is pulled out to clean the particulate matters accumulated on the filter screen 24. The first shell 1 and the second shell 13 can be disassembled and assembled through the locking bolt 14, and the inside of the gas detector is convenient to clean.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a gaseous detector convenient to dismouting, includes first casing (1), its characterized in that: a second shell (13) is arranged on one side of the first shell (1), fixed columns (4) are arranged in the first shell (1), four fixed columns (4) are arranged, the fixed columns (4) and the first shell (1) are arranged into an integral structure, a locking bolt (14) is arranged on one side of the second shell (13), one end of the locking bolt (14) penetrates through the second shell (13) and extends into the fixed columns (4), the locking bolt (14) is attached to the second shell (13), the locking bolt (14) is in threaded connection with the fixed columns (4), an air chamber (6) is arranged on the first shell (1), the air chamber (6) is connected with the first shell (1) through screws, an air suction pump (9) is arranged on one side of the air chamber (6), air guide pipes (10) are arranged on two sides of the air suction pump (9), and one end of each air guide pipe (10) extends into the air chamber (6), one end of the air duct (10) is provided with a connector (23), the connector (23) is hermetically connected with the air duct (10), a filter screen (24) is arranged inside the connector (23), the filter screen (24) is jointed and connected with the inner wall of the connector (23), one side of the connector (23) is provided with a rubber hose (11), and the rubber hose (11) is joggled with the connector (23), one end of the rubber hose (11) is provided with a detection head (12), the detection head (12) is hermetically connected with the rubber hose (11), one side of the second shell (13) is provided with a liquid crystal display screen (19), a key (15) and a switch button (16) are arranged below the liquid crystal display screen (19), and the key (15), the switch button (16) and the liquid crystal display screen (19) are all connected with the second shell (13) through screws.

2. The gas detector convenient to disassemble and assemble according to claim 1, wherein: be provided with sealed pad (21) between first casing (1) and second casing (13), and sealed pad (21) is laminated with first casing (1) and second casing (13) respectively mutually.

3. The gas detector convenient to disassemble and assemble according to claim 1, wherein: the inside of first casing (1) and second casing (13) all is provided with dust screen (2), and dust screen (2) are connected with first casing (1) and second casing (13) laminating respectively, one side of dust screen (2) is provided with radiating groove (3), and the outside of first casing (1) and second casing (13) is run through respectively to the one end of radiating groove (3) and extend to first casing (1) and second casing (13).

4. The gas detector convenient to disassemble and assemble according to claim 1, wherein: one side of air chamber (6) is provided with perforating hole (20), the one end of air chamber (6) is provided with exhaust hole (8), and exhaust hole (8) and air chamber (6) set up structure as an organic whole, the one end of exhaust hole (8) runs through perforating hole (20) and extends to the outside of first casing (1), the inside in exhaust hole (8) is provided with dust screen (2), and dust screen (2) are connected with the inner wall laminating in exhaust hole (8), be provided with sealed pad (21) between exhaust hole (8) and perforating hole (20), and sealed pad (21) laminate with exhaust hole (8) and first casing (1) respectively mutually.

5. The gas detector convenient to disassemble and assemble according to claim 1, wherein: the gas chamber (6) is internally provided with two gas sensors (7), and the two gas sensors (7) are attached to the gas chamber (6).

6. The gas detector convenient to disassemble and assemble according to claim 1, wherein: the battery box is characterized in that a storage battery (5) is arranged below the air chamber (6), the storage battery (5) is attached to the first shell (1), a battery box (22) is arranged on one side of the storage battery (5), and the battery box (22) is in joggle joint with the first shell (1).

7. The gas detector convenient to disassemble and assemble according to claim 1, wherein: one side of the second shell (13) is provided with a buzzer (17) and an alarm lamp (18), and the buzzer (17) and the alarm lamp (18) are connected with the second shell (13) through screws.