Gas alarm control box with fluctuation sensing function

Abstract

The utility model relates to the technical field of gas detection equipment, and discloses a gas alarm control box with fluctuation sensing, which comprises a control box, a bearing shell is fixedly mounted in the control box, a bearing is rotatably connected in the bearing shell, a first pipeline is rotatably connected in the bearing, and a second pipeline is rotatably connected in the first pipeline. A second pipeline is arranged at the bottom end of the first pipeline, a gap is reserved between the first pipeline and the second pipeline, the gap is filled with a sealing ring, an air pump is fixedly connected to the middle of the first pipeline, a motor is fixedly installed on the inner top wall of the control box, and a disc is fixedly connected to the center of the top of the control box. Compared with the prior art, the gas detection device has the following advantages and effects that the rod gas pump is started in the rotating process of the first pipeline, fluctuating gas is adsorbed through the gas pump, the fluctuating gas can be adsorbed in all directions through rotation of the first pipeline, and the detection quality of the gas is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of gas detection equipment, in particular to a gas alarm control box with fluctuation sensing. Background Art

[0002] In industrial production or coal mining, harmful gas leakage often occurs. Harmful gas leakage not only harms the environment, but more importantly, it is easy to cause harm to the health of workers. Therefore, gas detection and alarm devices are needed for detection during operations. Common gas detection and alarm devices are gas detectors, which can detect and alarm harmful gases or toxic gases such as carbon monoxide and sulfur monoxide. Existing gas detector alarms are mostly controlled by controllers, and gas detectors, controllers and alarms are often placed in the control box.

[0003] In the prior art, Chinese patent publication No. CN210694596U discloses a gas alarm control box, including a box body, a plurality of through holes are opened at the bottom of the box body, a gas detector, an alarm and a controller are arranged inside the box body, an air suction box is arranged inside the box body, an air suction fan is rotatably installed in the air suction box, a servo motor is fixedly connected to the top of the air suction box, a rotating rod is fixedly installed on the output shaft of the servo motor, the bottom end of the rotating rod is fixedly connected to the air suction fan, connecting pipes are connected on both sides of the air suction box, dustproof plates are movably connected on both sides of the box body, the dustproof plates cooperate with the corresponding connecting pipes, and four mounting slots are opened on the side of the dustproof plate close to the box body. The utility model is easy to operate, improves the gas circulation speed, can effectively transmit gas to the gas detector, can cool the inside of the box body, can prevent dust from entering the box body, and is convenient for disassembly, cleaning and installation of the dustproof plate.

[0004] However, when the existing gas alarm control box is in use, the gas diffusion is volatile, and the gas intake pipe is often fixed inside the control box, which makes it difficult for the diffused gas to enter the interior of the intake pipe and thus cannot be detected by the gas detector inside the control box, thereby reducing the quality of gas detection. Therefore, the above problem needs to be improved. Utility Model Content

[0005] The purpose of the utility model is to provide a gas alarm control box with fluctuation sensing, which has the effect of being able to intake gas in all directions.

[0006] The above-mentioned technical purpose of the present utility model is achieved through the following technical solutions: a gas alarm control box with fluctuation sensing, including a control box, a bearing shell is fixedly installed inside the control box, a bearing is rotatably connected inside the bearing shell, a first pipe is rotatably connected inside the bearing, a second pipe is provided at the bottom end of the first pipe, a gap is left between the first pipe and the second pipe, a sealing ring is filled inside the gap, an air pump is fixedly connected to the middle of the first pipe, a motor is fixedly installed on the inner top wall of the control box, a disc is fixedly connected at the center of the top of the control box, a large gear and a small gear are rotatably connected inside the disc, the first pipe passes through the interior of the large gear and is fixedly connected to the large gear, the large gear and the small gear are meshed, and the small gear is fixedly connected to the output end of the motor, a circular slide is fixedly connected to the top of the control box, a column is fixedly connected to the bottom of the column, and a universal wheel is fixedly installed at the bottom of the column.

[0007] By adopting the above technical solution, the first pipe and the second pipe are both extended to the inside of the bearing, the first pipe is rotatably connected to the inside of the bearing, and the first pipe and the second pipe are sealed by a sealing ring. When performing gas detection on fluctuating gas, the motor is started so that the motor drives the small gear to rotate, and the large gear and the small gear are engaged, so that the motor can drive the large gear and the first pipe to rotate. During the rotation of the first pipe, the rod air pump is started to adsorb the fluctuating gas through the air pump. Through the rotation of the first pipe, the fluctuating gas can be adsorbed in all directions, thereby improving the quality of gas detection. During the rotation of the first pipe, the universal wheel extends to the inside of the circular slide, and the first pipe drives the column and the universal wheel to slide inside the circular slide, thereby supporting the bottom of the first pipe and improving the stability of the first pipe during rotation.

[0008] The present invention is further configured as follows: a trumpet tube is fixedly connected to the interior of the first pipe.

[0009] By adopting the above technical solution, the bell tube is fixed at the end of the first pipe, and the gas enters the interior of the first pipe through the bell tube.

[0010] The present invention is further configured as follows: a gas detector is provided in the middle of the second pipeline, a baffle is overlapped on the outside of the control box, and an alarm is fixedly installed on the outside of the baffle.

[0011] By adopting the above technical solution, the gas enters the interior of the second pipe through the first pipe, and the gas enters the interior of the gas detector through the second pipe, and the gas is detected by the gas detector.

[0012] The present invention is further configured as follows: the internal thread of the baffle is connected with a bolt, and the bolt extends into the interior of the control box.

[0013] By adopting the above technical solution, the baffle is fixed to the outside of the control box by bolts, which not only has a good fixing effect but also allows the baffle to be disassembled.

[0014] The present invention is further configured as follows: the number of the bolts is four, and the four bolts are distributed in the form of a rectangular array.

[0015] By adopting the above technical solution, four bolts are distributed at the four corners outside the baffle, thereby improving installation stability.

[0016] The present invention is further configured as follows: a telescopic rod is fixedly connected to the inner side of the control box, one end of the telescopic rod is fixedly connected to an arc ring, and the inner thread of the arc ring is connected to a screw.

[0017] By adopting the above technical solution, the telescopic rod is extended and retracted, so that the arc ring is displaced inside the control box, and the two arc rings are fixed by screws. The two arc rings wrap the second pipe. The telescopic rod is divided into three parts: an upper rod, a lower rod and an adjusting bolt. A slot that matches the upper rod is opened on the upper surface of the lower rod, and the upper rod is inserted into the inside of the slot. A threaded hole is opened on the outer surface of the lower rod, and the adjusting bolt is threadedly connected to the inside of the threaded hole so that one end of the adjusting bolt contacts the outside of the upper rod. When the length needs to be adjusted, the adjusting bolt is rotated outward and the upper rod is moved downward or upward, and the lower rod remains stationary. When it is adjusted to the appropriate length, the adjusting bolt is rotated inward so that one end of the adjusting bolt contacts the outside of the upper rod.

[0018] The present invention is further configured as follows: the number of the arc-shaped rings is two, and the two arc-shaped rings are symmetrical to each other.

[0019] By adopting the above technical solution, the two arc-shaped rings are in an arc shape, and the second pipe extends to the inside of the two arc-shaped rings.

[0020] The utility model is further configured as follows: inner walls of the two arc-shaped rings are fixedly connected with a spring, and one side of the spring is fixedly connected with a cotton layer.

[0021] By adopting the above technical solution, the cotton layer contacts the outer wall of the second pipe, and the second pipe can be clamped by the contraction of the spring, thereby preventing the second pipe from being damaged due to collision.

[0022] The present invention is further configured as follows: the bottom of the control box is fixedly connected to a bottom plate, and the bottom of the bottom plate is provided with walking wheels.

[0023] By adopting the above technical solution, the base plate supports the control box, and the walking wheels drive the control box to move, thereby improving flexibility.

[0024] The present invention is further configured as follows: the number of the running wheels is four, and the four running wheels are distributed in the form of a rectangular array.

[0025] By adopting the above technical solution, the four running wheels are distributed at the four corners of the bottom of the base plate, thereby improving the movement stability.

[0026] The beneficial effects of the utility model are:

[0027] 1. The utility model, through the arrangement among the control box, the bearing housing, the bearing, the first pipeline, the second pipeline, the air pump, the motor, the disc, the large gear, the small gear, the circular slide, the column and the universal wheel, the motor drives the small gear to rotate, the large gear and the small gear are meshed, so that the motor can drive the large gear and the first pipeline to rotate, the first pipeline starts the rod air pump during the rotation process, and the air pump adsorbs the fluctuating gas. Through the rotation of the first pipeline, the fluctuating gas can be adsorbed in all directions, thereby improving the quality of gas detection. During the rotation of the first pipeline, the universal wheel extends to the inside of the circular slide, and drives the column and the universal wheel to slide inside the circular slide through the first pipeline, thereby supporting the bottom of the first pipeline, thereby improving the stability of the first pipeline during rotation.

[0028] 2. The utility model, through the arrangement between the telescopic rod, the arc ring, the spring and the cotton layer, the arc ring is displaced inside the control box by the extension and contraction of the telescopic rod, the two arc rings are fixed by screws, the two arc rings wrap the second pipe, the cotton layer contacts the outer wall of the second pipe, and the contraction of the spring can clamp the second pipe, thereby preventing the second pipe from being damaged due to collision. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0030] Figure 1 This is a schematic diagram of the structure of the utility model;

[0031] Figure 2 This is a schematic diagram of the internal structure of the control box of the utility model;

[0032] Figure 3 This is a schematic diagram of the top view of the large gear and small gear of the utility model;

[0033] Figure 4 This is a schematic diagram of the top view of the arc ring of the utility model.

[0034] In the figure, 1. control box; 2. bearing housing; 3. bearing; 4. first pipe; 5. second pipe; 6. air pump; 7. motor; 8. disc; 9. large gear; 10. small gear; 11. circular slide; 12. column; 13. universal wheel; 14. horn; 15. gas detector; 16. baffle; 17. alarm; 18. bolt; 19. telescopic rod; 20. arc ring; 21. spring; 22. cotton layer; 23. bottom plate; 24. walking wheel; 25. screw. DETAILED DESCRIPTION

[0035] The following will clearly and completely describe the technical solutions of the present invention in conjunction with specific embodiments. Obviously, the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without inventive effort are also within the scope of protection of the present invention.

[0036] Reference Figure 1-4, a gas alarm control box with fluctuation sensing, including a control box 1, a bearing shell 2 is fixedly installed inside the control box 1, a bearing 3 is rotatably connected inside the bearing shell 2, a first pipe 4 is rotatably connected inside the bearing 3, a second pipe 5 is provided at the bottom end of the first pipe 4, a gap is left between the first pipe 4 and the second pipe 5, the inside of the gap is filled with a sealing ring, an air pump 6 is fixedly connected to the middle of the first pipe 4, a motor 7 is fixedly installed on the inner top wall of the control box 1, a disc 8 is fixedly connected to the center of the top of the control box 1, a large gear 9 and a small gear 10 are rotatably connected to the inside of the disc 8, the first pipe 4 passes through the inside of the large gear 9 and is fixedly connected to the large gear 9, the large gear 9 is meshed with the small gear 10, and the small gear 10 is fixedly connected At the output end of the motor 7, a circular slide 11 is fixedly connected to the top of the control box 1, a column 12 is fixedly connected to the bottom of the first pipe 4, a universal wheel 13 is fixedly installed at the bottom of the column 12, the first pipe 4 and the second pipe 5 both extend to the inside of the bearing 3, the first pipe 4 is rotatably connected to the inside of the bearing 3, and the first pipe 4 and the second pipe 5 are sealed by a sealing ring. When performing gas detection on fluctuating gas, the motor 7 is started so that the motor 7 drives the small gear 10 to rotate, and the large gear 9 and the small gear 10 are engaged, thereby enabling the motor 7 to drive the large gear 9 and the first pipe 4 to rotate. During the rotation of the first pipe 4, the rod air pump 6 is started, and the fluctuating gas is adsorbed by the air pump 6, and the fluctuating gas is absorbed through the first pipe 4. Rotation can adsorb fluctuating gases in all directions and improve the quality of gas detection. During the rotation of the first pipe 4, the universal wheel 13 extends to the inside of the circular slide 11, and drives the column 12 and the universal wheel 13 to slide inside the circular slide 11 through the first pipe 4, thereby supporting the bottom of the first pipe 4 and improving the stability of the first pipe 4 during rotation. The interior of the first pipe 4 is fixedly connected with a trumpet tube 14, and the trumpet tube 14 is fixed to the end of the first pipe 4. The gas enters the interior of the first pipe 4 through the trumpet tube 14. A gas detector 15 is provided in the middle of the second pipe 5. The outside of the control box 1 is overlapped with a baffle 16, and an alarm 17 is fixedly installed on the outside of the baffle 16. The gas passes through the first pipe 4. 4 enters the interior of the second pipe 5, and the gas enters the interior of the gas detector 15 through the second pipe 5. The gas is detected by the gas detector 15. The internal thread of the baffle 16 is connected with a bolt 18, and the bolt 18 extends to the interior of the control box 1. The baffle 16 is fixed to the outside of the control box 1 by the bolt 18, which not only has a good fixing effect, but also can be disassembled. The number of bolts 18 is four, and the four bolts 18 are distributed in the form of a rectangular array. The four bolts 18 are distributed at the four corners of the outside of the baffle 16 to improve the installation stability. The inner side of the control box 1 is fixedly connected with a telescopic rod 19, and one end of the telescopic rod 19 is fixedly connected with an arc ring 20. The internal thread of the arc ring 20 is connected with a screw 25. Through the extension and contraction of the telescopic rod 19,The arc ring 20 is displaced inside the control box 1, and the two arc rings 20 are fixed by screws 25. The two arc rings 20 wrap the second pipe 5. The telescopic rod 19 is divided into three parts: an upper rod, a lower rod and an adjusting bolt. A slot that matches the upper rod is opened on the upper surface of the lower rod, and the upper rod is inserted into the inside of the slot. A threaded hole is opened on the outer surface of the lower rod, and the adjusting bolt is threadedly connected to the inside of the threaded hole so that one end of the adjusting bolt contacts the outside of the upper rod. When the length needs to be adjusted, the adjusting bolt is rotated outward and the upper rod is moved downward or upward, and the lower rod remains stationary. When it is adjusted to the appropriate length, the adjusting bolt is rotated inward so that one end of the adjusting bolt contacts the outside of the upper rod. There are two arc rings 20, and the two arc rings 2 0 are symmetrical to each other, and the two arc-shaped rings 20 are arc-shaped. The second pipe 5 extends into the interior of the two arc-shaped rings 20. The inner walls of the two arc-shaped rings 20 are fixedly connected to springs 21. A cotton layer 22 is fixedly connected to one side of the spring 21. The cotton layer 22 contacts the outer wall of the second pipe 5. The contraction of the spring 21 can clamp the second pipe 5, thereby preventing the second pipe 5 from being damaged due to collision. The bottom of the control box 1 is fixedly connected to a bottom plate 23. The bottom of the bottom plate 23 is provided with running wheels 24. The bottom plate 23 supports the control box 1. The running wheels 24 drive the control box 1 to move, improving flexibility. There are four running wheels 24, and the four running wheels 24 are distributed in the form of a rectangular array. The four running wheels 24 are distributed at the four corners of the bottom of the bottom plate 23 to improve movement stability.

[0037] In the present invention, the first pipe 4 and the second pipe 5 both extend to the inside of the bearing 3, the first pipe 4 is rotatably connected to the inside of the bearing 3, and the first pipe 4 and the second pipe 5 are sealed by a sealing ring. When performing gas detection on fluctuating gas, the motor 7 is started, so that the motor 7 drives the small gear 10 to rotate, and the large gear 9 and the small gear 10 are engaged, so that the motor 7 can drive the large gear 9 and the first pipe 4 to rotate. The first pipe 4 starts the rod air pump 6 during the rotation process, and the fluctuating gas is adsorbed by the air pump 6. Through the rotation of the first pipe 4, the fluctuating gas can be adsorbed in all directions, thereby improving the detection quality of the gas. During the rotation of the first pipe 4, the universal wheel 13 extends to the inside of the circular slide 11, and drives the column 12 and the universal wheel 13 to slide inside the circular slide 11 through the first pipe 4, thereby supporting the bottom of the first pipe 4 and improving the stability of the first pipe 4 during the rotation process. The arc ring 20 is displaced inside the control box 1 by the extension and contraction of the telescopic rod 19. The two arc rings 20 are fixed by screws 25. The two arc rings 20 wrap the second pipe 5. The cotton layer 22 contacts the outer wall of the second pipe 5. The contraction of the spring 21 can clamp the second pipe 5, thereby preventing the second pipe 5 from being damaged by collision.

[0038] Although the 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 variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A gas alarm control box with fluctuation sensing, comprising a control box (1), characterized in that: A bearing housing (2) is fixedly installed inside the control box (1), a bearing (3) is rotatably connected inside the bearing housing (2), a first pipe (4) is rotatably connected inside the bearing (3), a second pipe (5) is provided at the bottom end of the first pipe (4), a gap is left between the first pipe (4) and the second pipe (5), a sealing ring is filled inside the gap, an air pump (6) is fixedly connected to the middle of the first pipe (4), a motor (7) is fixedly installed on the inner top wall of the control box (1), and a second pipe (5) is fixed at the center of the top of the control box (1). A disc (8) is connected, and a large gear (9) and a small gear (10) are rotatably connected inside the disc (8), the first pipe (4) passes through the inside of the large gear (9) and is fixedly connected to the large gear (9), the large gear (9) and the small gear (10) are meshed, and the small gear (10) is fixedly connected to the output end of the motor (7), the top of the control box (1) is fixedly connected to a circular slideway (11), the bottom of the first pipe (4) is fixedly connected to a column (12), and the bottom of the column (12) is fixedly installed with a universal wheel (13).

2. A gas alarm control box with fluctuation sensing according to claim 1, characterized in that: A trumpet tube (14) is fixedly connected to the interior of the first pipe (4).

3. A gas alarm control box with fluctuation sensing according to claim 1, characterized in that: A gas detector (15) is provided in the middle of the second pipeline (5), a baffle (16) is overlapped on the outside of the control box (1), and an alarm (17) is fixedly installed on the outside of the baffle (16).

4. A gas alarm control box with fluctuation sensing according to claim 3, characterized in that: The internal thread of the baffle (16) is connected with a bolt (18), and the bolt (18) extends into the interior of the control box (1).

5. A gas alarm control box with fluctuation sensing according to claim 4, characterized in that: The number of the bolts (18) is four, and the four bolts (18) are distributed in the form of a rectangular array.

6. A gas alarm control box with fluctuation sensing according to claim 1, characterized in that: A telescopic rod (19) is fixedly connected to the inner side of the control box (1), one end of the telescopic rod (19) is fixedly connected to an arc ring (20), and the inner thread of the arc ring (20) is connected to a screw (25).

7. A gas alarm control box with fluctuation sensing according to claim 6, characterized in that: The number of the arc-shaped rings (20) is two, and the two arc-shaped rings (20) are symmetrical to each other.

8. The gas alarm control box with fluctuation sensing according to claim 6, characterized in that: The inner walls of the two arc-shaped rings (20) are both fixedly connected with a spring (21), and one side of the spring (21) is fixedly connected with a cotton layer (22).

9. The gas alarm control box with fluctuation sensing according to claim 1, characterized in that: The bottom of the control box (1) is fixedly connected to a bottom plate (23), and the bottom of the bottom plate (23) is provided with running wheels (24).

10. A gas alarm control box with fluctuation sensing according to claim 9, characterized in that: The number of the running wheels (24) is four, and the four running wheels (24) are distributed in the form of a rectangular array.

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