CN210199051U

CN210199051U - Novel gas alarm

Info

Publication number: CN210199051U
Application number: CN201920699477.1U
Authority: CN
Inventors: Cui Zhang; 张翠
Original assignee: Nanjing Taian Electronic Co Ltd
Current assignee: Nanjing Taian Electronic Co Ltd
Priority date: 2019-05-15
Filing date: 2019-05-15
Publication date: 2020-03-27
Anticipated expiration: 2029-05-15

Abstract

The utility model discloses a novel gas alarm, which comprises a housin, the inner wall left end of casing has the card frame through the screw rigid coupling, the inner wall joint of card frame has gas alarm, the left end of slider passes through the spring fixed with the inner wall left end of spout and links to each other, the inner rigid coupling of slider has the montant, two the equal rigid coupling in inner of montant has the motor, the right-hand member of motor is equipped with runner assembly, the left end of casing is equipped with fixed establishment. This novel gas alarm, through motor, slider, montant and runner assembly's cooperation for the flabellum rotates and to play the drainage effect to the casing external gas, and then improves gas alarm's detection precision and sensitivity, and then makes gas alarm can play the warning effect to emergency, and the effect through filter screen and brush simultaneously can play dustproof effect to gas alarm, and can prolong the life of filter screen, and then prolongs gas alarm's life.

Description

Novel gas alarm

Technical Field

The utility model relates to a gas alarm technical field specifically is a novel gas alarm.

Background

The gas alarm is exactly the gas leakage detection alarm instrument, combustible or toxic gas reveals in industrial environment, when the gas alarm detects that gas concentration reaches the critical point that explosion or poison alarm set up, the alarm will send alarm signal, take safety measure with reminding work, and the drive is aired exhaust, cut off, spraying system, prevent to explode, the conflagration, the poisoning accident, thereby guarantee safety in production, gas alarm is when using among the prior art, pile up the through-hole that causes the air inlet district because of the dust easily and block up, and then reduce its detection accuracy and sensitivity, and then reduce its life, bring great inconvenience for people use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel gas alarm to solve among the prior art that provides among the above-mentioned background art gas alarm when using, pile up the through-hole that causes the air inlet district because of the dust easily and block up, and then reduce its detection precision and sensitivity, and then reduce its life, use the problem of bringing great inconvenience for people.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel gas alarm, which comprises a housin, the inner wall left end of casing has the card frame through the screw rigid coupling, the inner wall joint of card frame has gas alarm, both ends all have the slider through spout slide clamping joint about the inner wall of casing, the left end of slider passes through the spring fixed with the inner wall left end of spout and links to each other, the inner rigid coupling of slider has the montant, two the equal rigid coupling in inner of montant has the motor, the right-hand member of motor is equipped with rotating assembly, the left end of casing is equipped with fixed establishment.

Preferably, the runner assembly includes a circle piece, flabellum, quarter butt, thin pole, brush, filter screen and a screw thread section of thick bamboo, the left end of circle piece is in the same place with the output rigid coupling of motor, the outer wall rigid coupling of circle piece has three flabellum, the right-hand member rigid coupling of circle piece has the quarter butt, the right-hand member rigid coupling of quarter butt has the thin pole, the right-hand member rigid coupling of thin pole has the brush, the left end of brush is equipped with the filter screen, the left end of brush is laminated with the right-hand member of filter screen mutually, the outer wall rigid coupling of filter screen has a screw thread section of thick bamboo, the outer wall of a screw thread section of thick bamboo and the left.

Preferably, the brush is aligned with both the upper end and the lower end of the filter screen.

Preferably, the three fan blades are arranged in an angle between each two fan blades.

Preferably, fixed establishment includes recess, round pin axle, support, through-hole and magnet, two the left side outer end of casing is seted up to the recess, the inner wall outer end of recess is connected with the support through the round pin axle rotation, the outer wall of support and the inner wall clearance fit of recess, the inner wall processing of support has the through-hole, the right-hand member magnetism of support is connected with magnet, the right-hand member of magnet is in the same place with the inner wall right-hand member rigid coupling of recess.

Preferably, the left end of the bracket is flush with the left end of the housing.

Compared with the prior art, the beneficial effects of the utility model are that: this novel gas alarm, through the motor, the slider, montant and runner assembly's cooperation for the flabellum rotates and to play the drainage effect to the casing external gas, and then improves gas alarm's detection precision and sensitivity, and then makes gas alarm can play the warning effect to emergency, and the effect through filter screen and brush simultaneously can play dustproof effect to gas alarm, and can prolong the life of filter screen, and then prolongs gas alarm's life, provides convenience for people use.

Drawings

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

FIG. 2 is a schematic view showing the connection relationship between the slide groove, the slide block and the spring in FIG. 1;

FIG. 3 is a schematic view showing the connection of the wand, brush and strainer of FIG. 1;

fig. 4 is a schematic view showing a connection relationship between the holder, the through hole and the magnet in fig. 1.

In the figure: 1. the device comprises a shell, 2, screws, 3, a clamping frame, 4, a gas alarm, 5, a sliding groove, 6, a sliding block, 7, a spring, 8, a rotating component, 801, a round block, 802, fan blades, 803, a short rod, 804, a thin rod, 805, a brush, 806, a filter screen, 807, a threaded cylinder, 9, a fixing mechanism, 901, a groove, 902, a pin shaft, 903, a support, 904, a through hole, 905, a magnet, 10, a vertical rod, 11 and a motor.

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. 1-4, the present invention provides a technical solution: a novel gas alarm comprises a shell 1, exhaust holes are machined in the top and the bottom of the shell 1, a clamping frame 3 is fixedly connected to the left end of the inner wall of the shell 1 through screws 2, a gas alarm 4 is clamped to the inner wall of the clamping frame 3, the type of the gas alarm 4 is BRJ-505, a sliding block 6 is slidably clamped to the upper end and the lower end of the inner wall of the shell 1 through a sliding groove 5, the sliding groove 5 plays a guiding role for the sliding block 6, the left end of the sliding block 6 is fixedly connected with the left end of the inner wall of the sliding groove 5 through a spring 7, the spring 7 provides right thrust for the sliding block 6, vertical rods 10 are fixedly connected to the inner ends of the sliding block 6, a motor 11 is fixedly connected to the inner ends of the two vertical rods 10, the type of the motor 11 is 57BL75S10-230TF9, the vertical rods 10 play a limiting role for the motor 11, a rotating assembly 8 is arranged at the right end of, The left end of a round block 801 is fixedly connected with the output end of a motor 11, three fan blades 802 are fixedly connected with the outer wall of the round block 801, the three fan blades 802 are arranged at an angle of 120 degrees, the fan blades 802 rotate to enable air outside the shell 1 to be sucked into the shell 1, a short rod 803 is fixedly connected with the right end of the round block 801, a thin rod 804 is fixedly connected with the right end of the short rod 803, a brush 805 is fixedly connected with the right end of the thin rod 804, the brush 805 is a soft brush, a filter screen 806 is arranged at the left end of the brush 805, the filter screen 806 is an iron 60-mesh filter screen, the left end of the brush 805 is attached to the right end of the filter screen 806, the friction force between the brush 805 and the filter screen 806 does not affect the normal rotation of the motor 11, the brush 805 is aligned with the upper end and the lower end of the filter screen 806, the brush 805 is enabled to clean the filter screen 806 more thoroughly, the outer wall of the filter screen 806 is fixedly connected, casing 1's left end is equipped with fixed establishment 9, fixed establishment 9 includes recess 901, round pin axle 902, support 903, through-hole 904 and magnet 905, casing 1's left side outer end is seted up to two recesses 901, and two recesses 901 distribute about casing 1 axial symmetry, the inner wall outer end of recess 901 rotates through round pin axle 902 and is connected with support 903, round pin axle 902 makes support 903 can rotate when the atress, the outer wall of support 903 and the inner wall clearance fit of recess 901, the left end of support 903 is parallel and level with casing 1's left end, the inner wall processing of support 903 has through-hole 904, through-hole 904 is used for fixing casing 1 with external bolt cooperation, the right-hand member magnetism of support 903 is connected with magnet 905, the right-hand member of magnet 905 is in the same place with the inner wall right-hand member of recess 901, magnet 905 plays limiting displacement to.

When the novel gas alarm is used, firstly, the bracket 903 is connected with the inner wall of the groove 901 in a rotating way to overcome the magnetic force of the magnet 905, the bracket 903 is rotated by 90 degrees, the shell 1 is fixed at a specified position through the matching of the through hole 904 and an external bolt, the gas alarm 4 and the motor 11 are connected with an external power supply to enable the device to start working, the round block 802 drives the three fan blades 803 to start rotating through the rotation of the motor 11, further, air outside the shell 1 is sucked into the shell 1 through the filter screen 906, and the air is blown to the front of the gas alarm 4 through the rotation of the fan blades 802, so that the monitoring accuracy of the gas alarm 4 is increased, the influence of dust on the gas alarm 4 can be avoided, meanwhile, the thin rod 804 is driven by the short rod 803 to rotate, the brush can rotate and clean the filter screen 806, and the situations of blockage, dust falling and the like caused by long-term use of, and because of the slip joint of spout 5 and slider 6 to and spring 7's elasticity, make brush 805 laminate with filter screen 806 mutually all the time, and then guarantee the effect to filter screen 806 clearance, make filter screen 806 can use for a long time, provide convenience for people use.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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 novel gas alarm, includes casing (1), its characterized in that: the inner wall left end of casing (1) has card frame (3) through screw (2) rigid coupling, the inner wall joint of card frame (3) has gas alarm (4), both ends all have slider (6) through spout (5) slip joint about the inner wall of casing (1), the left end of slider (6) passes through spring (7) with the inner wall left end of spout (5) and is fixed continuous, the inner rigid coupling of slider (6) has montant (10), two the equal rigid coupling in inner of montant (10) has motor (11), the right-hand member of motor (11) is equipped with runner assembly (8), the left end of casing (1) is equipped with fixed establishment (9).

2. A novel gas alarm according to claim 1 characterised in that: rotating assembly (8) include circle piece (801), flabellum (802), quarter butt (803), thin pole (804), brush (805), filter screen (806) and a screw thread section of thick bamboo (807), the left end of circle piece (801) is in the same place with the output rigid coupling of motor (11), the outer wall rigid coupling of circle piece (801) has three flabellum (802), the right-hand member rigid coupling of circle piece (801) has quarter butt (803), the right-hand member rigid coupling of quarter butt (803) has thin pole (804), the right-hand member rigid coupling of thin pole (804) has brush (805), the left end of brush (805) is equipped with filter screen (806), the left end of brush (805) is laminated with the right-hand member of filter screen (806) mutually, the outer wall rigid coupling of filter screen (806) has a screw thread section of thick bamboo (807), the outer wall of screw thread section of thick bamboo (807) and the left end threaded connection of casing (1).

3. A novel gas alarm according to claim 2 characterised in that: the brush (805) is aligned with both the upper and lower ends of the screen (806).

4. A novel gas alarm according to claim 2 characterised in that: the three fan blades (802) are arranged at 120 degrees between each two fan blades.

5. A novel gas alarm according to claim 1 characterised in that: fixing mechanism (9) are including recess (901), round pin axle (902), support (903), through-hole (904) and magnet (905), two the left side outer end of casing (1) is seted up in recess (901), the inner wall outer end of recess (901) is rotated through round pin axle (902) and is connected with support (903), the outer wall of support (903) and the inner wall clearance fit of recess (901), the inner wall processing of support (903) has through-hole (904), the right-hand member magnetism of support (903) is connected with magnet (905), the right-hand member of magnet (905) is in the same place with the inner wall right-hand member rigid coupling of recess (901).

6. A novel gas alarm according to claim 5 characterised in that: the left end of the support (903) is flush with the left end of the shell (1).