Gas alarm

Abstract

The utility model belongs to the technical field of mine safety equipment, and particularly relates to a gas alarm which comprises an upper supporting ring and a lower supporting ring, limiting arc rods are installed on the outer wall of the upper supporting ring and the outer wall of the lower supporting ring respectively, sliding blocks are connected to the limiting arc rods in a sliding mode, one sliding block is provided with an installation block, and the other sliding block is provided with an installation hole. A connecting column is connected to the inner wall of the mounting block in a clamped mode, and a rotating plate is rotationally connected to one side of the connecting column. An upper supporting ring and a lower supporting ring are bound on the upper arm of a worker, under the supporting of a limiting arc rod, a sliding block, a mounting block, a connecting column and a rotating plate, the gas alarm equipment body is mounted and supported, and the gas alarm equipment body can be mounted and supported after the connecting column is separated from the mounting block in cooperation with a mounting plate and a telescopic rod. And the gas alarm equipment body can be conveniently observed, so that the device can be located near the ear of a worker, and meanwhile, the gas concentration condition can be conveniently known in time.

Description

TECHNICAL FIELD

[0001] The utility model belongs to mine safety equipment technical field, concretely relates to a gas alarm. BACKGROUND

[0002] When using the gas alarm, due to the influence of noise and other factors of underground operation, when the alarm sends an alarm signal, if the distance from the ear is far, it is easy to produce the risk of not timely detection, therefore the existing gas alarm is hung in the shoulder and upper arm, and the display panel angle of the alarm is often fixed, when the staff is working, after the alarm of the alarm, it is difficult to clearly observe the displayed key information such as gas concentration, which brings difficulty to timely and accurately obtain gas data, and affects the judgment and processing of gas leakage, and in order to observe the data, the hung alarm needs to be taken down, which leads to the movement of the staff due to operation, which is not conducive to ensuring the stable fixation of the alarm. UTILITY MODEL CONTENTS

[0003] The utility model provides a kind of gas alarm, with solve in order to facilitate the observation of alarm, it will lead to the movement of staff due to operation, which is not conducive to ensuring the stable fixation of the alarm.

[0004] The utility model provides the following technical scheme: including upper support ring and lower support ring, the outer wall of the upper support ring and the lower support ring is equipped with limiting arc rod, the limiting arc rod is slidably connected with slider, one of the slider is equipped with mounting block, the inner wall of the mounting block is connected with connecting column, the connecting column one side is rotatably connected with rotating plate, the rotating plate one side is equipped with gas alarm device ontology, another slider is equipped with mounting plate, the mounting plate is equipped with hinged rod, the hinged rod is hingedly connected with telescopic rod, the telescopic rod one end is rotatably connected with mounting seat, the mounting seat is equipped with the installation slot that is matched with the bottom of the gas alarm device ontology.

[0005] Among them, the outer wall of the upper support ring and the lower support ring is fixedly connected with the buckle and the restraint belt matched, the outer wall of the upper support ring and the lower support ring is fixedly connected with anti-off block.

[0006] Among them, the mounting block is equipped with clamping groove, the inner wall of the clamping groove is equipped with limiting hole, the connecting column is equipped with slide, the inner wall of the slide is slidably connected with the limiting rod matched with the limiting hole.

[0007] Among them, the inner wall of the slide is fixedly connected with slide rod, the outer wall of the slide rod is equipped with spring, the one end of the spring is connected with the one end of the limiting rod, the outer wall of the rotating plate is fixedly connected with a plurality of rotating rods.

[0008] The connecting hole is arranged on the gas alarm device body and the mounting seat, and the connecting hole is connected by a bolt.

[0009] The top end of the telescopic rod is fixedly connected with a rotating plate, the bottom end of the mounting seat is installed with a rotating ring, an annular groove is arranged on the inner wall of the rotating ring, and the outer wall of the rotating plate is fixedly connected with a limiting ring matched with the annular groove.

[0010] The beneficial effect of the utility model is: through the upper support ring and lower support ring restraint on the upper arm of staff, not affecting the swing of the body, under the support of the limiting arc rod, sliding block, mounting block, connecting column and rotating plate, the gas alarm device body is installed and supported, the gas alarm device body can be observed after the connecting column and the mounting block are separated, so that the device can be near the ear of the staff, and the gas concentration condition can be understood in time.

[0011] The part not involved in the device is the same as the prior art or can be realized by using the prior art. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;

[0013] Figure 2 It is a movement schematic diagram of the gas alarm device body in the utility model;

[0014] Figure 3 It is a cross-sectional structure schematic diagram of the connecting column in the utility model;

[0015] Figure 4 It is the utility model Figure 3 The enlarged schematic diagram of A.

[0016] In the drawing: 1, upper support ring; 11, lower support ring; 12, buckle; 13, restraint belt; 2, limiting arc rod; 21, sliding block; 22, mounting block; 23, clamping groove; 24, limiting hole; 25, connecting column; 26, slide; 261, sliding rod; 262, spring; 27, limiting rod; 28, rotating plate; 281, rotating rod; 29, anti-dropping block; 3, gas alarm device body; 31, mounting plate; 32, hinged rod; 33, telescopic rod; 331, rotating plate; 332, limiting ring; 34, mounting seat; 341, rotating ring; 342, annular groove; 35, mounting groove; 351, connecting hole. DETAILED DESCRIPTION

[0017] Please refer to Figures 1-4The utility model provides following technical scheme: including upper support ring 1 and lower support ring 11, and the outer wall of upper support ring 1 and lower support ring 11 all are installed with limit arc rod 2, and the sliding connection of limit arc rod 2 has slider 21, and one slider 21 is installed with mounting block 22, and the inner wall of mounting block 22 is connected with connecting column 25, and one side of connecting column 25 is rotatably connected with rotating plate 28, and one side of rotating plate 28 is installed with gas alarm device ontology 3, and another slider 21 is installed with mounting plate 31, and the inside of mounting plate 31 is installed with articulated rod 32, and articulated rod 32 is hinged with telescopic link 33, and one end of telescopic link 33 is rotatably connected with mounting seat 34, and mounting seat 34 is set with the installation groove 35 of matching with the bottom of gas alarm device ontology 3.

[0018] In the embodiment: the upper support ring 1 and the lower support ring 11 are used to be sleeved on the upper arm part of the worker during use, the upper support ring 1 and the lower support ring 11 can be fixed on the upper arm of the worker, the limiting arc rod 2 installed on the outer wall of the upper support ring 1 and the lower support ring 11 can limit the sliding block 21, the sliding block 21 can stably slide on the outer wall of the upper support ring 1 and the lower support ring 11, the mounting block 22 installed on the sliding block 21 can be clamped, and the connecting column 25 can be clamped in the inner wall of the mounting block 22. At this time, the upper support ring 1 is fixed on the upper arm, which is close to the ear of the worker, so that the connecting column 25 clamped in the inner wall of the mounting block 22 can support the back side of the gas alarm device body 3 through the rotating plate 28 rotatably connected on one side of the connecting column 25, so that the gas alarm device body 3 can be connected and limited on the mounting block 22, and at this time, the mounting seat 34 clamped on the bottom of the gas alarm device body 3 can be supported by the telescopic rod 33. At this time, the mounting seat 34 rotates at the top of the telescopic rod 33, and the overall length of the telescopic rod 33 can be adjusted, so that the support height of the telescopic rod 33 to the mounting seat 34 can be adjusted. When the telescopic rod 33 is limited on the outer wall of the lower support ring 11 at the bottom, the telescopic rod 33 can limit the position of the gas alarm device body 3 at this time, and the sliding block 21 slidably connected on the outer wall of the lower support ring 11 supports the bottom of the telescopic rod 33 through the mounting plate 31 and the hinge rod 32. At this time, the telescopic rod 33 and the mounting seat 34 are clamped and installed on the gas alarm device body 3 through the mounting groove 35 opened at the top, so that the self-rotation of the mounting seat 34 can separate the connecting column 25 from the mounting block 22, so that the worker can directly take out the gas alarm device body 3. At this time, the telescopic rod 33 is hinged on the hinge rod 32, and the telescopic rod 33 can be extended in cooperation with the rotation of the mounting seat 34, so that the display panel of the gas alarm device body 3 can be adjusted to a position convenient for the worker to observe, so that the gas alarm device body 3 can be adjusted to a position close to the ear by the upper support ring 1, the limiting arc rod 2 and the sliding block 21, so that the worker can hear the alarm of the gas alarm device body 3 in time when the gas concentration is high, and the connecting column 25 can be separated, so as to observe the gas alarm device body 3, so as to understand the gas concentration in time. At the same time, under the connection of the telescopic rod 33, when the gas alarm device body 3 needs to be reset, the hinge rod 32 and the telescopic rod 33 are hinged, so that the gas alarm device body 3 corresponds to the sliding block 21 slidably connected on the upper support ring 1, so that the gas alarm device body 3 clamps the connecting column 25 in the inner wall of the mounting block 22.

[0019] The outer wall of the upper support ring 1 and the lower support ring 11 is fixedly connected with matched buckles 12 and restraint belts 13, and the outer wall of the upper support ring 1 and the lower support ring 11 is fixedly connected with anti-disengagement blocks 29; the buckles 12 and the restraint belts 13 fixedly connected with the outer wall of the upper support ring 1 and the lower support ring 11 can be connected with each other, and the position of the restraint belts 13 connected with the buckles 12 can be adjusted, so that the buckles 12 and the restraint belts 13 can adjust the fastening degree of the upper support ring 1 and the lower support ring 11, and the upper support ring 1 and the lower support ring 11 are used in cooperation with a material having a certain deformation, so that the upper support ring 1 and the lower support ring 11 can be sleeved on the upper arm position and then fixed on the upper arm, and the anti-disengagement blocks 29 are used for closing the two ends of the limiting arc rod 2 to prevent the sliding block 21 from being separated from the limiting arc rod 2.

[0020] The mounting block 22 is provided with a clamping groove 23, the inner wall of the clamping groove 23 is provided with a limiting hole 24, the connecting column 25 is provided with a sliding channel 26, and the inner wall of the sliding channel 26 is slidably connected with a limiting rod 27 matched with the limiting hole 24; the inner wall of the clamping groove 23 provided on the mounting block 22 has a certain inclination, so that the connecting column 25 can be quickly aligned with the mounting block 22, and after alignment, the connecting column 25 is rotated on the rotating plate 28, at this time, the connecting column 25 can be rotated, so that the sliding channel 26 provided on the connecting column 25 can be supported by the limiting rod 27 slidably connected with the inner wall of the sliding channel 26 after being rotated to a position corresponding to the limiting hole 24, so as to make the connecting column 25 be clamped and connected, and the gas alarm device body 3 is supported.

[0021] The inner wall of the sliding channel 26 is fixedly connected with a sliding rod 261, the outer wall of the sliding rod 261 is sleeved with a spring 262, one end of the spring 262 is connected with one end of the limiting rod 27, and the outer wall of the rotating plate 28 is fixedly connected with a plurality of rotating rods 281; the sliding rod 261 fixedly connected with the inner wall of the sliding channel 26 can limit the sliding of the limiting rod 27, so as to ensure that the limiting rod 27 stably slides on the inner wall of the sliding channel 26, the spring 262 is sleeved on the outer wall of the sliding rod 261, so as to support the limiting rod 27, so that the limiting rod 27 can be extruded by the inner wall of the mounting block 22 when the connecting column 25 is rotated, and the limiting rod 27 is retracted into the sliding channel 26, and after corresponding to the limiting hole 24, the limiting rod 27 can be limited in the limiting hole 24 under the support of the spring 262.

[0022] The gas alarm device body 3 and the mounting seat 34 are provided with corresponding connecting holes 351, and the connecting holes 351 are connected by bolts; the connecting holes 351 provided on the gas alarm device body 3 and the mounting seat 34 can be connected by bolts when the gas alarm device body 3 is clamped on the inner wall of the mounting groove 35 provided on the mounting seat 34, so as to temporarily fix the gas alarm device body 3 on the mounting seat 34, so that the position of the gas alarm device body 3 can be supported by the mounting seat 34.

[0023] The top end of the telescopic rod 33 is fixedly connected with a rotating plate 331, the bottom end of the mounting seat 34 is provided with a rotating ring 341, the inner wall of the rotating ring 341 is provided with an annular groove 342, and the outer wall of the rotating plate 331 is fixedly connected with a limiting ring 332 matched with the annular groove 342; the rotating plate 331 is used for being connected with the rotating ring 341, the annular groove 342 limits the limiting ring 332, the mounting seat 34 can be supported by the rotating plate 331 and the rotating ring 341, and the mounting seat 34 can rotate to adjust the angle of the gas alarm device body 3, so that the gas alarm device body 3 can be adjusted to an angle convenient for observing the data on the display panel.

[0024] The working principle and use process of the utility model are as follows: the upper supporting ring 1 and the lower supporting ring 11 are sleeved on the upper arm part of the worker, the gas alarm device body 3 is installed into the mounting groove 35 of the mounting seat 34, the slide 26 of the connecting column 25 is rotated to the position corresponding to the limiting hole 24, the inner wall of the limiting hole 24, so that the connecting column 25 is clamped and connected, and then the gas alarm device body 3 is supported, in the mine operation process, the gas alarm device body 3 monitors the gas concentration in the surrounding environment in real time, when the gas concentration changes, the gas alarm device body 3 will give an alarm, the worker can hear the alarm sound in time, the connecting column 25 can be separated from the mounting block 22 at the same time, the mounting seat 34 is rotated, so that the worker can directly take out the gas alarm device body 3, after the operation is completed, when the gas alarm device body 3 needs to be reset, the gas alarm device body 3 is quickly matched with the sliding block 21 slidably connected on the upper supporting ring 1 through the hinging of the telescopic rod 33 and the hinged rod 32, the connecting column 25 is clamped in the inner wall of the mounting block 22, and the resetting of the equipment is completed.

Claims

1. A gas alarm comprising an upper support ring (1) and a lower support ring (11), characterized in that: The outer wall of the upper support ring (1) and the lower support ring (11) is provided with a limiting arc rod (2), the limiting arc rod (2) is slidably connected with a sliding block (21), one of the sliding blocks (21) is provided with a mounting block (22), the inner wall of the mounting block (22) is hingedly connected with a connecting column (25), one side of the connecting column (25) is rotatably connected with a rotating plate (28), one side of the rotating plate (28) is provided with a gas alarm device body (3), the other sliding block (21) is provided with a mounting plate (31), the mounting plate (31) is internally provided with a hinged rod (32), the hinged rod (32) is hingedly connected with a telescopic rod (33), one end of the telescopic rod (33) is rotatably connected with a mounting seat (34), the mounting seat (34) is provided with a mounting groove (35) matched with the bottom of the gas alarm device body (3).

2. A gas alarm according to claim 1, characterised in that: The outer wall of the upper support ring (1) and the lower support ring (11) is fixedly connected with a matched buckle (12) and a binding belt (13), the outer wall of the upper support ring (1) and the lower support ring (11) is fixedly connected with an anti-dropping block (29).

3. A gas alarm according to claim 1, wherein: The mounting block (22) is provided with a clamping groove (23), the inner wall of the clamping groove (23) is provided with a limiting hole (24), the connecting column (25) is provided with a sliding channel (26), the inner wall of the sliding channel (26) is slidably connected with a limiting rod (27) matched with the limiting hole (24).

4. A gas alarm according to claim 3, wherein: The inner wall of the sliding channel (26) is fixedly connected with a sliding rod (261), the outer wall of the sliding rod (261) is sleeved with a spring (262), one end of the spring (262) is connected with one end of the limiting rod (27), the outer wall of the rotating plate (28) is fixedly connected with a plurality of rotating rods (281).

5. A gas alarm according to claim 1, wherein: The gas alarm device body (3) and the mounting seat (34) are provided with corresponding connecting holes (351), the connecting holes (351) are connected by bolts.

6. A gas alarm according to claim 1, wherein: The top end of the telescopic rod (33) is fixedly connected with a rotating plate (331), the bottom end of the mounting seat (34) is provided with a rotating ring (341), the inner wall of the rotating ring (341) is provided with an annular groove (342), the outer wall of the rotating plate (331) is fixedly connected with a limiting ring (332) matched with the annular groove (342).

Images