CN218496568U

CN218496568U - Portable gas detector

Info

Publication number: CN218496568U
Application number: CN202222372730.7U
Authority: CN
Inventors: 练丹丹; 章金剑; 杨丽萍; 章新峰
Original assignee: Guangzhou Qinggao Electromechanical Equipment Co ltd
Current assignee: Guangzhou Qinggao Electromechanical Equipment Co ltd
Priority date: 2022-09-07
Filing date: 2022-09-07
Publication date: 2023-02-17
Anticipated expiration: 2032-09-07

Abstract

The utility model discloses a portable gas detector relates to gas detector technical field, specifically includes detector body and protective structure, the top fixedly connected with protective structure at the detector body back, protective structure include the shell, the back joint of shell has the apron, the intracavity of shell is equipped with gas tank, air exhauster, base and dilution flask, the air intake connection of air exhauster has the air-supply line, the other end of air-supply line extends to the top of shell, the top of shell is equipped with the interception structure. This portable gas detector has set up protection architecture, can dilute the gas that enters into in the detector, protects this detector, prolongs the life of this detector, and the user can adjust gaseous dilution volume according to the demand, increases the detection range of this detector, improves the practicality of this detector.

Description

Portable gas detector

Technical Field

The utility model relates to a gas detector technical field specifically is a portable gas detector.

Background

The portable gas detector is an instrument that concentration detection was revealed to gas, because gas detector has fixed detection range, only can accomplish the measurement in this detection range, otherwise the result of measuring the ejection of compact is far less than the accurate value of gas concentration, and measure at the excess within range for a long time, can cause the damage to the sensor, can influence the life of sensor, portable gas detector is when using, the user does not know whether the concentration of treating gas to be detected in the detection zone exceeds gas detector's detection range, direct gas detector detects, cause irreversible damage to gas detector easily, and gas detector's gas collecting pipe generally does not shelter from the structure, external impurity carries on in the gas collecting pipe easily, make gas collecting pipe jam easily, influence gas detector's use, therefore, a portable gas detector is proposed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a portable gas detector has solved and has had safeguard function in the gas detector that proposes among the above-mentioned background art, and direct use causes irreversible damage and impurity to enter into gas collecting pipe easily to gas detector easily, causes the problem of gas collecting pipe's jam.

The utility model provides a following technical scheme: the utility model provides a portable gas detector, includes detector body and protection architecture, the top fixedly connected with protection architecture at the detector body back, protection architecture include the shell, the back joint of shell has the apron, the intracavity of shell is equipped with gas tank, air exhauster, base and dilution bottle, the air intake connection of air exhauster has the air-supply line, the other end of air-supply line extends to the top of shell, the top of shell is equipped with the interception structure, and the interception structure comprises gag lever post and gleitbretter, the air-supply line is located the below of gleitbretter, the air outlet of air exhauster is connected with the exhaust pipe, and the other end of exhaust pipe inlays on the lateral wall of dilution bottle, the gas outlet threaded connection of gas tank has the outlet duct, the other end of outlet duct inlays on the base, the top fixedly connected with of base dilutes the bottle, one side of dilution bottle top is inlayed and is had the connecting pipe of being connected with detector body, the middle part fixedly connected with gas injection pipe at base top, the outer lane swing joint at base top has the shielding plate, the surface of shielding plate and the inner wall contact of dilution bottle, just the top of shielding plate be equipped with the through-hole of connecting pipe adaptation, the bottom of shielding plate and the through-hole and the three through-hole of two and the through-hole of outlet pipe adaptation.

Preferably, one side at base middle part is equipped with the connecting hole, the outside at the connecting hole inner chamber is inlayed to the one end of outlet duct, the bottom of gas injection pipe extends to the inner chamber of connecting hole opposite side in, the outer lane at base top is equipped with the spout, the bottom of shielding plate and the inner chamber swing joint of spout, just the through-hole tribit is in the inner chamber of spout.

Preferably, the surface of gas injection pipe evenly is equipped with the bleeder vent, the middle part at gas injection pipe top is inlayed and is had the rotation motor, the output shaft end of rotating the motor and the middle part fixed connection at shielding plate top.

Preferably, the material of connecting pipe and outlet duct is the bellows, the other end fixedly connected with card pipe of connecting pipe, inlay at the top of detector body has gas collecting pipe, the inner chamber and the gas collecting pipe joint of card pipe.

Preferably, the shape of gag lever post is the U type, the middle part of gleitbretter is equipped with the rectangular channel, the middle part of gag lever post and the inner chamber swing joint of rectangular channel, and the top of gleitbretter is equipped with anti-skidding line, the material of gag lever post is magnet, the material of gleitbretter is ferromagnetic metal.

Preferably, the outer surface of the sliding sheet is wrapped with a sealing sheet.

Preferably, the horizontal distance between the first through hole and the second through hole is twice as long as the horizontal distance between the second through hole and the third through hole.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this portable gas detector has set up protection architecture, can dilute the gas that enters into in the detector, protects this detector, prolongs the life of this detector, and the user can adjust gaseous dilution volume according to the demand, increases the detection range of this detector, improves the practicality of this detector.

2. This portable gas detector, through the setting of shielding plate and rotation motor, the rotation of rotating the motor can drive the shielding plate rotation of being connected with it, and the shielding plate drives the through-hole removal on it, makes outlet duct, blast pipe and connecting pipe can coincide with the through-hole in proper order, and the gas concentration's that is convenient for await measuring dilution and discharge can shelter from the air-supply line through the setting of interception structure, prevents when this detector does not use, and in the material such as dust entered into the air-supply line, influence the use of air exhauster.

Drawings

FIG. 1 is a front view of the structure of the present invention;

FIG. 2 is a schematic view of the inside of the structural shell of the present invention;

FIG. 3 is a schematic sectional view of the diluting bottle of the present invention;

fig. 4 is an explosion diagram of the dilution bottle of the present invention.

In the figure: 1. a detector body; 2. a housing; 3. a cover plate; 4. a limiting rod; 5. sliding blades; 6. a connecting pipe; 7. clamping the pipe; 8. a gas collection tube; 9. a gas tank; 10. a base; 11. a dilution bottle; 12. an exhaust fan; 13. an air outlet pipe; 14. an air inlet pipe; 15. a shielding plate; 16. a third through hole; 17. connecting holes; 18. a chute; 19. a gas injection pipe; 20. rotating the motor; 22. a first through hole; 23. and a second through hole.

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.

The utility model provides an embodiment: referring to fig. 1 and 2, a portable gas detector includes a detector body 1 and a protection structure, the protection structure dilutes gas entering the detector body 1 to protect the detector body 1, and can increase the detection range of the detector body 1 and improve the practicability of the detector.

Protection architecture includes shell 2, and shell 2 passes through the bolt fastening on the back on 1 top of detector body, and the four corners of the 2 other ends of shell all is equipped with the round hole, and the intracavity joint of round hole has the cylinder, and the welding of the cylindrical other end has apron 3, and apron 3 and shell 2 are in the state of joint, and apron 3 and shell 2 can be quick fixed or separation, are convenient for overhaul the device in the shell 2.

The inner cavity of the shell 2 is internally provided with a gas tank 9, an exhaust fan 12, a base 10 and a dilution bottle 11, the bottoms of the gas tank 9 and the base 10 are connected with the bottom of the inner cavity of the shell 2 through bolts, the exhaust fan 12 is connected with the top of the inner cavity of the shell 2 through bolts, an air inlet of the exhaust fan 12 is in threaded connection with an air inlet pipe 14, the other end of the air inlet pipe 14 extends to the top of the shell 2, the top of the shell 2 is provided with an intercepting structure, the intercepting structure is composed of a limiting rod 4 and a slip sheet 5, the limiting rod 4 is U-shaped, the middle of the slip sheet 5 is provided with a rectangular groove, the middle of the limiting rod 4 is movably connected with the inner cavity of the rectangular groove, the top of the slip sheet 5 is provided with anti-slip lines, the limiting rod 4 is made of magnet, the slip sheet 5 is made of ferromagnetic metal, in the embodiment, the air inlet pipe 5 is made of metal, the air inlet pipe 14 is arranged below the slip sheet 5, the slip sheet 5 is arranged through the intercepting structure, when the slip sheet 5 is in contact with the top of the air inlet pipe 14, the slip sheet 5, the air inlet pipe 5 can be connected with the outer surface of a sealing rubber, and the slip sheet 5 is connected with a sealing rubber sealing device, and the slip sheet 5, and the air inlet pipe.

Referring to fig. 2 to 4, an exhaust pipe is connected to an air outlet of the exhaust fan 12 through a screw thread, the other end of the exhaust pipe is embedded in a sidewall of the bottom end of the dilution bottle 11, when an inner cavity of the exhaust pipe is communicated with an inner cavity of the dilution bottle 11, external air can enter the dilution bottle 11, and the bottom of the dilution bottle 11 is welded to the top of the base 10.

One side at dilution bottle 11 top is inlayed and is had connecting pipe 6, and the material of connecting pipe 6 is the bellows equally, and the other end bonding of connecting pipe 6 has card pipe 7, and the top of detector body 1 is inlayed and is had gas collecting pipe 8, and the inner chamber and the gas collecting pipe 8 joint of card pipe 7 can be connected dilution bottle 11 and detector body 1's inner chamber through the setting of card pipe 7.

The storage has the compressed gas who does not wait to detect gaseous reaction in gas tank 9, gas tank 9's gas outlet threaded connection has the outlet duct 13 of bellows material, one side at base 10 middle part is equipped with connecting hole 17, the outside at connecting hole 17 inner chamber is inlayed to the one end of outlet duct 13, the top at connecting hole 17 inner chamber opposite side is inlayed and is had gas injection pipe 19, gas injection pipe 19 is located the middle part of diluting the bottle 11 inner chamber, and evenly be equipped with the bleeder vent on gas injection pipe 19's the lateral wall, gas in the gas tank 9 can enter into the inner chamber of diluting the bottle 11, the middle part at gas injection pipe 19 top is inlayed and is had rotation motor 20, the middle part fixed connection at the terminal and the shielding plate 15 top of output shaft of rotation motor 20, setting through gas injection pipe 19, when the inner chamber of gas injection pipe 19 communicates with the inner chamber of outlet duct 13, the rotation of rotation motor 20 can drive shielding plate 15 and rotate.

The shape of the shielding plate 15 is L-shaped, the transverse part of the shielding plate 15 is in contact with the top of the inner cavity of the dilution bottle 11, the vertical part of the shielding plate 15 is in contact with the inner wall of the dilution bottle 11, the outer ring of the top of the base 10 is provided with the sliding groove 18, the bottom of the shielding plate 15 is in contact with the bottom of the inner cavity of the sliding groove 18, the connecting hole 17 is positioned in the middle of the sliding groove 18, one side of the part, positioned in the sliding groove 18, of the shielding plate 15 is provided with a third through hole 16, the third through hole 16 is matched with the air outlet pipe 13, the part, positioned at the bottom end of the dilution bottle 11, of the shielding plate 15 is provided with a second through hole 23 matched with the air outlet pipe, the transverse part of the shielding plate 15 is provided with a first through hole 22 matched with the connecting pipe 6, the horizontal distance between the first through hole 22 and the second through hole 23 is twice the horizontal distance between the second through hole 23 and the third through hole 16, only one pipeline of the exhaust pipe, the air outlet pipe 13 and the connecting pipe 6 is communicated with the inner cavity of the dilution bottle 11, and the dilution bottle is convenient for gas dilution and exhaust.

In conclusion: when the portable gas detector is used, a user pushes the sliding sheet 5 to separate the sliding sheet 5 from the air inlet pipe 14, the rotation of the rotating motor 20 enables the inner cavity of the dilution bottle 11 in the exhaust pipe to be communicated, the external air is blown into the inner cavity of the dilution bottle 11 by the operation of the exhaust fan 12, the exhaust fan 12 stops operating after the gas amount in the dilution bottle 11 is proper, the rotation of the rotating motor 20 enables the inner cavity of the air outlet pipe 13 to be communicated with the inner cavity of the gas injection pipe 19, the proper amount of gas in the gas tank 9 enters the inner cavity of the dilution bottle 11, after the two gases are mixed, the rotation of the rotating motor 20 enables the inner cavity of the connecting pipe 6 to be communicated with the inner cavity of the dilution bottle 11, the gas in the dilution bottle 11 can enter the inner cavity of the detector body 1 along the connecting pipe 6 to be detected, after the detector body 1 detects the volume concentration of the gas to be detected in the mixed gas, the volume of the gas to be detected in the dilution bottle 11 can be calculated, the ratio of the volume of the calculated gas to be the concentration of the gas to be detected in the external environment, and the concentration of the gas to be displayed on the detector body 1 by calculation.

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

Claims

1. A portable gas detector comprising a detector body (1) and a protective structure, characterized in that: the top fixedly connected with protection architecture at detector body (1) back, protection architecture include shell (2), the back joint of shell (2) has apron (3), the intracavity of shell (2) is equipped with gas tank (9), air exhauster (12), base (10) and dilution bottle (11), the air intake connection of air exhauster (12) has air-supply line (14), the other end of air-supply line (14) extends to the top of shell (2), the top of shell (2) is equipped with the interception structure, and the interception structure comprises gag lever post (4) and gleitbretter (5), air-supply line (14) are located the below of gleitbretter (5), the air outlet of air exhauster (12) is connected with the exhaust pipe, and the other end of exhaust pipe inlays on the lateral wall of dilution bottle (11), the gas outlet threaded connection of gas tank (9) has outlet duct (13), the other end of outlet duct (13) inlays on base (10), the top fixedly connected with dilution bottle (11) of base (10), one side at dilution bottle (11) top has the fixed connection of inlaying and detector body (1) is connected with base (6), the top of outer lane activity injection pipe (15) top of base (10), gas injection pipe (15), the surface of shielding plate (15) contacts with the inner wall of dilution bottle (11), just the top of shielding plate (15) is equipped with through-hole one (22) with connecting pipe (6) adaptation, the bottom of shielding plate (15) be equipped with through-hole two (23) of exhaust pipe adaptation and with through-hole three (16) of outlet duct (13) adaptation.

2. A portable gas detector as claimed in claim 1, wherein: one side at base (10) middle part is equipped with connecting hole (17), the outside at connecting hole (17) inner chamber is inlayed to the one end of outlet duct (13), the bottom of gas injection pipe (19) extends to the inner chamber of connecting hole (17) opposite side, the outer lane at base (10) top is equipped with spout (18), the bottom of shielding plate (15) and the inner chamber swing joint of spout (18), just through-hole three (16) are located the inner chamber of spout (18).

3. A portable gas detector according to claim 1, wherein: the surface of gas injection pipe (19) evenly is equipped with the bleeder vent, the middle part at gas injection pipe (19) top is inlayed and is had rotation motor (20), the middle part fixed connection at the output shaft end of rotation motor (20) and shielding plate (15) top.

4. A portable gas detector as claimed in claim 1, wherein: the material of connecting pipe (6) and outlet duct (13) is the bellows, the other end fixedly connected with card pipe (7) of connecting pipe (6), the top of detector body (1) is inlayed and is had gas collecting pipe (8), the inner chamber and the gas collecting pipe (8) joint of card pipe (7).

5. A portable gas detector as claimed in claim 1, wherein: the shape of gag lever post (4) is the U type, the middle part of gleitbretter (5) is equipped with the rectangular channel, the middle part of gag lever post (4) and the inner chamber swing joint of rectangular channel, and the top of gleitbretter (5) is equipped with anti-skidding line, the material of gag lever post (4) is magnet, the material of gleitbretter (5) is ferromagnetic metal.

6. A portable gas detector as claimed in claim 1, wherein: and the outer surface of the sliding sheet (5) is wrapped with a sealing sheet.

7. A portable gas detector according to claim 1, wherein: the horizontal distance between the first through hole (22) and the second through hole (23) is twice as long as the horizontal distance between the second through hole (23) and the third through hole (16).