Suspension type gas detection alarm instrument

Abstract

The utility model relates to a suspension type gas detection alarm apparatus which comprises an alarm apparatus main body, the rear side of the alarm apparatus main body is fixedly connected with two hooks, the top of the alarm apparatus main body is fixedly provided with an alarm lamp, and the front side of the alarm apparatus main body is provided with a sound outlet. The bottom of the alarm apparatus main body is fixedly connected with an air inlet channel. According to the suspension type gas detection alarm apparatus, by arranging a connecting assembly, when dust on a filter screen needs to be cleaned, a rotating rod is rotated by rotating a handle to drive a conical driving wheel to rotate, and the conical driving wheel is engaged with a conical driven wheel, so that the conical driven wheel drives a connecting rod and a gear on the outer surface of the connecting rod to rotate; when the gear rotates, the toothed plate is driven to move under the cooperation of the guide rod and the guide sliding seat, and then the positioning block is driven to leave the interior of the positioning groove, so that the limit of the filter screen disappears, and the filter screen is disassembled to facilitate subsequent cleaning.

Description

Technical Field

[0001] The utility model relates to the technical field of alarm instruments, in particular to a suspended gas detection alarm instrument. Background Art

[0002] A gas alarm is a gas leak detection alarm instrument. When flammable or toxic gas leaks in an industrial environment, and when the gas alarm detects that the gas concentration reaches the explosion or poisoning critical point set by the alarm, the alarm will send out an alarm signal to remind staff to take safety measures to prevent explosion, fire, or poisoning accidents, thereby ensuring safe production.

[0003] Currently, the suspended gas detection alarm on the market is equipped with a filter in the air intake channel to filter dust in the air to prevent dust from entering the device and affecting its operation. The filter needs to be cleaned after long-term use, but the existing filter is not convenient for staff to load and unload it. Therefore, a suspended gas detection alarm is proposed to solve the above problem. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the shortcomings of the prior art, the utility model provides a suspended gas detection alarm device, which has the advantages of easy cleaning of the filter, etc., and solves the problem that the suspended gas detection alarm devices currently on the market are equipped with a filter in the air intake channel to filter dust in the air, thereby preventing dust from entering the device and affecting the operation of the device. The filter needs to be cleaned after long-term use, but the existing filter is not convenient for staff to load and unload it.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hanging gas detection alarm, comprising an alarm body, two hooks are fixedly connected to the rear side of the alarm body, an alarm light is fixedly installed on the top of the alarm body, a sound outlet is arranged on the front side of the alarm body, an air inlet channel is fixedly connected to the bottom of the alarm body, a filter screen is arranged inside the air inlet channel, and a connecting component is arranged between the filter screen and the air inlet channel;

[0008] The connecting assembly includes an installation cavity, a rotating rod, a conical driving wheel, a connecting rod, a conical driven wheel, a gear, a tooth plate, a positioning block and a positioning groove. The left and right sides of the filter are provided with installation cavities. The interior of the installation cavity is rotatably connected with a rotating rod. The outer surface of the rotating rod is fixedly installed with a conical driving wheel. The interior of the installation cavity is rotatably connected with a connecting rod. The outer surface of the connecting rod is fixedly installed with a conical driven wheel. The outer surface of the connecting rod is fixedly installed with a gear. The interior of the installation cavity is slidably connected with a tooth plate. The outer surface of the tooth plate is fixedly connected with a positioning block. The inner walls of the left and right sides of the air intake channel are provided with positioning grooves.

[0009] Furthermore, the bottom of the rotating rod passes through the filter screen and extends to the bottom of the air inlet passage, and a rotating handle is fixedly installed on the bottom of the rotating rod.

[0010] Furthermore, the outer surfaces of the rotating rod and the connecting rod are both rotatably connected to the inner wall of the filter screen via bearings, and the rotating rod and the connecting rod are arranged perpendicular to each other.

[0011] Furthermore, the conical driving wheel and the conical driven wheel are meshed with each other, and the gear and the toothed plate are meshed with each other.

[0012] Furthermore, a guide rod is fixedly installed inside the installation cavity, and two guide slides are fixedly connected to the bottom of the tooth plate. The guide slides are located on the outer surface of the guide rod and are slidably connected to the guide rod.

[0013] Furthermore, through holes communicating with the installation cavity are provided on both left and right sides of the filter screen, and the positioning block extends to the interior of the positioning groove through the through holes.

[0014] Furthermore, a first magnet is fixedly mounted on the positioning block, and a second magnet that is attracted to the first magnet with opposite polarities is fixedly mounted inside the positioning groove.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0017] The suspended gas detection alarm is provided with a connection component. When it is necessary to clean the dust on the filter screen, the handle is turned to rotate the rotating rod, so that the conical driving wheel is driven to rotate, and the conical driving wheel is meshed with the conical driven wheel, so that the conical driven wheel drives the connecting rod and the gear on its outer surface to rotate. When the gear rotates, it drives the tooth plate to move in cooperation with the guide rod and the guide slide, and then drives the positioning block to leave the interior of the positioning groove, so that the limit of the filter screen disappears, thereby completing its disassembly for subsequent cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1This is a front cross-sectional view of the utility model;

[0019] Figure 2 It is the left view of the utility model;

[0020] Figure 3 For this utility model Figure 1 A magnified view of the structure in the middle.

[0021] In the figure: 1 alarm body, 2 hook, 3 alarm light, 4 sound outlet, 5 air inlet channel, 6 filter, 7 connecting assembly, 701 installation cavity, 702 rotating rod, 703 conical driving wheel, 704 connecting rod, 705 conical driven wheel, 706 gear, 707 tooth plate, 708 positioning block, 709 positioning groove, 8 first magnet, 9 second magnet. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-3 In this embodiment, a suspended gas detection alarm includes an alarm body 1, two hooks 2 are fixedly connected to the rear side of the alarm body 1, an alarm light 3 is fixedly installed on the top of the alarm body 1, a sound outlet 4 is arranged on the front side of the alarm body 1, an air intake channel 5 is fixedly connected to the bottom of the alarm body 1, a filter screen 6 is arranged inside the air intake channel 5, and a connecting component 7 is arranged between the filter screen 6 and the air intake channel 5.

[0024] Specifically, the hook 2 cooperates with an external hanger to suspend the entire device, which is unnecessary to elaborate here.

[0025] Specifically, when the alarm device body 1 detects that the gas concentration exceeds a threshold value, an alarm is sounded through the alarm light 3 and the sound outlet 4 to remind the staff. The detection of gas concentration by the alarm device body 1 belongs to the prior art and need not be elaborated here.

[0026] Specifically, the connecting assembly 7 is composed of nine parts, namely, a mounting cavity 701, a rotating rod 702, a conical driving wheel 703, a connecting rod 704, a conical driven wheel 705, a gear 706, a tooth plate 707, a positioning block 708 and a positioning groove 709. The outer surfaces of the rotating rod 702 and the connecting rod 704 are rotatably connected to the inner wall of the filter screen 6 through bearings. The rotating rod 702 and the connecting rod 704 are arranged perpendicular to each other, the conical driving wheel 703 and the conical driven wheel 705 are meshed with each other, the gear 706 and the tooth plate 707 are meshed with each other, and the left and right sides of the filter screen 6 are provided with through holes connected to the mounting cavity 701. The positioning block 708 extends to the inside of the positioning groove 709 through the through hole. The rotating rod 702 is rotated by turning the handle to drive the conical driving wheel 703 to rotate, and the conical driving wheel 703 is meshed with the conical driven wheel 705, so that the conical driven wheel 705 drives the connecting rod 704 and the gear 706 on its outer surface to rotate. When the gear 706 rotates, it drives the tooth plate 707 to move under the cooperation of the guide rod and the guide slide, thereby driving the positioning block 708 to leave the inside of the positioning groove 709, so that the limit of the filter screen 6 disappears, and the filter screen 6 is pulled out downward by the rotating rod 702 for subsequent cleaning.

[0027] Specifically, the bottom of the rotating rod 702 passes through the filter screen 6 and extends to the bottom of the air inlet passage 5. A rotating handle is fixedly installed at the bottom of the rotating rod 702, thereby making the operation more convenient.

[0028] Specifically, a guide rod is fixedly installed inside the installation cavity 701, and two guide slides are fixedly connected to the bottom of the tooth plate 707. The guide slides are located on the outer surface of the guide rod and are slidably connected to the guide rod, thereby supporting and guiding the movement of the tooth plate 707 and the positioning block 708.

[0029] Specifically, the first magnet 8 is fixedly mounted on the positioning block 708 , and the second magnet 9 which is oppositely attracted to the first magnet 8 is fixedly mounted inside the positioning groove 709 , thereby making the connection between the positioning block 708 and the positioning groove 709 more secure when they are engaged.

[0030] During implementation, the following steps are followed: when it is necessary to clean the dust on the filter 6, first rotate the rotating rod 702 by turning the handle to drive the conical driving wheel 703 to rotate, and then drive the conical driven wheel 705 to drive the connecting rod 704 and the gear 706 on its outer surface to rotate, and finally the gear 706 rotates while driving the tooth plate 707 to move, and the tooth plate 707 drives the positioning block 708 to leave the interior of the positioning groove 709, completing the disassembly of the filter 6 for subsequent cleaning.

[0031] To sum up, the suspended gas detection alarm is provided with a connecting component 7. When it is necessary to clean the dust on the filter 6, the handle is turned to rotate the rotating rod 702, so that it drives the conical driving wheel 703 to rotate, and the conical driving wheel 703 is meshed with the conical driven wheel 705, so that the conical driven wheel 705 drives the connecting rod 704 and the gear 706 on its outer surface to rotate. When the gear 706 rotates, it drives the tooth plate 707 to move under the cooperation of the guide rod and the guide slide, and then drives the positioning block 708 to leave the inside of the positioning groove 709, so that the limit of the filter 6 disappears, thereby completing its disassembly for subsequent cleaning. This solves the problem that the suspended gas detection alarm on the market currently has a filter in the air intake channel to filter the dust in the air, so as to prevent dust from entering the device and affecting the operation of the device. The filter needs to be cleaned after long-term use, but the existing filter is not convenient for the staff to load and unload it.

[0032] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A suspended gas detection alarm, comprising an alarm body (1), characterized in that: Two hooks (2) are fixedly connected to the rear side of the alarm instrument body (1); an alarm light (3) is fixedly installed on the top of the alarm instrument body (1); a sound outlet (4) is arranged on the front side of the alarm instrument body (1); an air intake passage (5) is fixedly connected to the bottom of the alarm instrument body (1); a filter screen (6) is arranged inside the air intake passage (5); and a connecting component (7) is arranged between the filter screen (6) and the air intake passage (5); The connecting assembly (7) comprises a mounting cavity (701), a rotating rod (702), a conical driving wheel (703), a connecting rod (704), a conical driven wheel (705), a gear (706), a tooth plate (707), a positioning block (708) and a positioning groove (709). The left and right sides of the filter screen (6) are both provided with mounting cavities (701). The interior of the mounting cavity (701) is rotatably connected to the rotating rod (702). The outer surface of the rotating rod (702) is fixedly provided with a conical driving wheel. The mounting cavity (701) is rotatably connected to a connecting rod (704), a conical driven wheel (705) is fixedly mounted on the outer surface of the connecting rod (704), a gear (706) is fixedly mounted on the outer surface of the connecting rod (704), a toothed plate (707) is slidably connected to the inside of the mounting cavity (701), a positioning block (708) is fixedly mounted on the outer surface of the toothed plate (707), and positioning grooves (709) are provided on the inner walls on both sides of the left and right sides of the air intake passage (5).

2. A suspended gas detection alarm according to claim 1, characterized in that: The bottom of the rotating rod (702) passes through the filter screen (6) and extends to the bottom of the air inlet passage (5), and a rotating handle is fixedly mounted on the bottom of the rotating rod (702).

3. A suspended gas detection alarm according to claim 1, characterized in that: The outer surfaces of the rotating rod (702) and the connecting rod (704) are both rotatably connected to the inner wall of the filter screen (6) via bearings, and the rotating rod (702) and the connecting rod (704) are arranged perpendicular to each other.

4. The suspended gas detection alarm according to claim 1, characterized in that: The conical driving wheel (703) and the conical driven wheel (705) are meshed with each other, and the gear (706) and the toothed plate (707) are meshed with each other.

5. The suspended gas detection alarm according to claim 1, characterized in that: A guide rod is fixedly installed inside the installation cavity (701), and two guide slides are fixedly connected to the bottom of the tooth plate (707). The guide slides are located on the outer surface of the guide rod and are slidably connected to the guide rod.

6. A suspended gas detection alarm according to claim 1, characterized in that: Through holes communicating with the installation cavity (701) are provided on both the left and right sides of the filter screen (6), and the positioning block (708) extends through the through holes to the interior of the positioning groove (709).

7. The suspended gas detection alarm according to claim 1, characterized in that: A first magnet (8) is fixedly mounted on the positioning block (708), and a second magnet (9) that is attracted to the first magnet (8) in opposite polarities is fixedly mounted inside the positioning groove (709).

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