Waste gas collecting device

Abstract

The utility model discloses a waste gas collecting device which comprises a gas suction port and a gas suction pipe, the gas suction port and the gas suction pipe are fixedly connected through an annular limiting piece, a blocking net is arranged in the gas suction port, and the blocking net is detachably connected with the gas suction port. According to the waste gas collecting device provided by the utility model, the gas suction port and the gas suction pipe can be quickly disassembled and assembled through the annular limiting piece, and the separation net is further convenient to disassemble, assemble and clean.

Description

TECHNICAL FIELD

[0001] The utility model belongs to waste gas collection technical field, concretely relates to a waste gas collecting device. BACKGROUND

[0002] Amines curing agent and other chemical raw materials are used in the production of capacitor glue, harmful gases are generated by vaporization and escape during feeding and discharging, so the harmful waste gas needs to be collected by the waste gas collecting device.

[0003] In the prior art, the workshop waste gas is generally collected by connecting a negative pressure device through a pipeline, which can easily suck foreign matter into the equipment and affect the filtering of ordinary filter screens. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a waste gas collecting device to solve the problem of ordinary filter screens in related art, which are not easy to replace the filter screen body and are inconvenient to control the opening and closing of waste gas collection.

[0005] Therefore, the utility model provides a waste gas collecting device, which comprises an air inlet and an air suction pipe, the air inlet and the air suction pipe are fixedly connected through an annular limiting part, a barrier net is arranged in the air inlet, and the barrier net is detachably connected with the air inlet.

[0006] Preferably, a switch is arranged in the air inlet, and the switch is rotatably connected with the air inlet.

[0007] Preferably, the switch comprises a rotating shaft and a baffle, the rotating shaft penetrates through the side wall of the air inlet, the baffle is fixedly installed on the rotating shaft, and the diameter of the baffle is the same as the inner diameter of the air inlet.

[0008] Preferably, the barrier net comprises a fixed ring and a net body, the net body is fixedly installed in the inside of the fixed ring, one fixed block is arranged at each of the two symmetrical ends of the fixed ring, a slide is arranged in the fixed block, a pull rod is arranged in the slide, and the pull rod is connected with the fixed block through a spring.

[0009] Preferably, a first through hole is arranged in the air inlet, and the first through hole is connected with the pull rod.

[0010] Preferably, the net body is made of stainless steel.

[0011] Preferably, the mesh size of the net body is 60-80 mesh.

[0012] Preferably, one end of the air inlet is provided with a conical port.

[0013] Preferably, the ring-shaped limiting piece comprises a first half ring and a second half ring, one end of the first half ring and the second half ring is rotationally connected, and the other end is detachably connected, and a fixing bolt is arranged on the first half ring and the second half ring.

[0014] Preferably, a second through hole is arranged in the air inlet, a third through hole is arranged in the air pipe, and the fixing bolt penetrates the second through hole and the third through hole to fixedly connect the air inlet and the air pipe.

[0015] Beneficial effects:

[0016] 1. The utility model provides a kind of waste gas collecting device, and the quick disassembly of air inlet and air pipe can be realized by ring-shaped limiting piece, further facilitate the disassembly and cleaning of barrier net.

[0017] 2. In the utility model, barrier net uses stainless steel material, mesh size is 60-80 mesh, prevents barrier net from being corroded, and both can prevent the effect of foreign matter suction, and do not want to affect waste gas collection efficiency.

[0018] 3. The switch in the utility model is outside barrier net, and barrier net does not affect the opening and closing of switch. DRAWINGS

[0019] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the drawings needed to be used in the embodiment or prior art description will be simply introduced below, and obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can obtain other drawings according to these drawings without creating labor.

[0020] Figure 1 It is the structure schematic view of embodiment 1 of a kind of waste gas collecting device provided by the utility model.

[0021] Figure 2 It is the sectional view of embodiment 1 of a kind of waste gas collecting device provided by the utility model.

[0022] Figure 3 It is the ring-shaped limiting piece structure schematic view of embodiment 1 of a kind of waste gas collecting device provided by the utility model.

[0023] In the drawing, 1 is air inlet, 11 is conical port, 12 is first through hole, 13 is second through hole, 2 is air pipe, 21 is third through hole, 3 is ring-shaped limiting piece, 31 is first half ring, 32 is second half ring, 33 is fixing bolt, 4 is barrier net, 41 is fixed ring, 42 is net body, 43 is fixed block, 44 is slide, 45 is pull rod, 46 is spring, 5 is switch, 51 is rotation shaft, 52 is baffle. DETAILED DESCRIPTION

[0024] The content of the present application can be more easily understood by the detailed description of the preferred embodiments of the present application and the included examples. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. When there is a conflict between the definitions in the specification and the patent, the definition in the specification is intended.

[0025] Example 1:

[0026] Provided is a waste gas collecting device as shown in Figure 1 The waste gas collecting device includes an air inlet 1 and an air inlet pipe 2, the air inlet 1 and the air inlet pipe 2 are fixedly connected through an annular limiting piece 3, a blocking net 4 is arranged in the air inlet 1, and the blocking net 4 is detachably connected with the air inlet 1. The air inlet pipe 2 is connected with a negative pressure device to generate suction force to suck waste gas. One end of the air inlet 1 is provided with a tapered port 11 to increase the air inlet area.

[0027] A switch 5 is arranged in the air inlet 1 and is rotatably connected with the air inlet 1. The switch 5 includes a rotating shaft 51 and a baffle 52, the rotating shaft 51 penetrates through the side wall of the air inlet 1, the baffle 52 is fixedly installed on the rotating shaft 51, and the diameter of the baffle 52 is the same as the inner diameter of the air inlet 1. The baffle 52 can be rotated through the rotating shaft 51, and the opening size of the air inlet 1 can be adjusted by adjusting the rotation angle of the baffle 52. The angle of the rotating shaft 51 can be manually fixedly adjusted or electrically controlled through an external motor.

[0028] The blocking net 4 includes a fixed ring 41 and a net body 42, the net body 42 is fixedly installed inside the fixed ring 41, one fixed block 43 is arranged at each of the two symmetrical ends of the fixed ring 41, a slide 44 is arranged in the fixed block 43, a pull rod 45 is arranged in the slide 44, and the pull rod 45 is connected with the fixed block 43 through a spring 46. A first through hole 12 is arranged in the air inlet 1 and is connected with the pull rod 45. The net body 42 is made of stainless steel. The mesh size of the net body 42 is 60-80 meshes. In the present application, the net body 42 is made of stainless steel and has a mesh size of 60-80 meshes, which can prevent the net body 42 from being corroded and can prevent foreign matters from being sucked in without affecting the waste gas collecting efficiency. The blocking net 4 is placed in the air inlet 1 by pulling the pull rod 45 inward, pulling the spring 46 through the pull rod 45, loosening the pull rod 45, and resetting the pull rod 45 through the first through hole 12 through the elastic force of the spring 46.

[0029] The annular limiting member 3 comprises a first half ring 31 and a second half ring 32, one end of the first half ring 31 and the second half ring 32 is rotationally connected, and the other end is detachably connected, and the first half ring 31 and the second half ring 32 are provided with fixing bolts 33. The suction port 1 is provided with a second through hole 13, and the suction pipe 2 is provided with a third through hole 21, and the fixing bolts 33 pass through the second through hole 13 and the third through hole 21 to fixedly connect the suction port 1 and the suction pipe 2. Among them, the other end of the first half ring 31 and the second half ring 32 is detachably connected through bolt or buckle connection. By buckling the first half ring 31 and the second half ring 32 outside the suction port 1, and passing the fixing bolts 33 through the second through hole 13 and the third through hole 21, the suction port 1 and the suction pipe 2 are fixed.

[0030] Working principle: by pulling the pull rod 45 inward, the pull rod 45 pulls the spring 46, then the barrier net 4 is put into the suction port 1, the pull rod 45 is loosened, the elastic force of the spring 46 makes the pull rod 45 reset and passes through the first through hole 12, and the barrier net 4 is fixed. By buckling the first half ring 31 and the second half ring 32 outside the suction port 1, and passing the fixing bolts 33 through the second through hole 13 and the third through hole 21, the suction port 1 and the suction pipe 2 are fixed. The baffle 52 can be rotated through the rotating shaft 51, and the opening size of the suction port 1 is adjusted by adjusting the rotation angle of the baffle 52.

[0031] Finally, it should be pointed out that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features. And these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A waste gas collection device, characterized in that, Include: Air inlet and air pipe, the air inlet and the air pipe are fixedly connected through annular limiting piece, the air inlet is provided with barrier net, the barrier net is detachably connected with the air inlet; The barrier net includes a fixed ring and a net body, the net body is fixedly installed inside the fixed ring, the fixed ring is provided with a fixed block at both ends, the fixed block is provided with a slide, the slide is provided with a pull rod, the pull rod is connected with the fixed block through a spring; The annular limiting piece includes a first half ring and a second half ring, one end of the first half ring and the second half ring is rotatably connected, the other end is detachably connected, the first half ring and the second half ring are provided with a fixed bolt.

2. An exhaust gas collection device according to claim 1, wherein The air inlet is provided with a switch, the switch is rotatably connected with the air inlet.

3. An exhaust gas collection device according to claim 2, wherein The switch includes a rotating shaft and a baffle, the rotating shaft penetrates the side wall of the air inlet, the baffle is fixedly installed on the rotating shaft, the diameter of the baffle is the same as the inner diameter of the air inlet.

4. An exhaust gas collection device according to claim 1, wherein The air inlet is provided with a first through hole, the first through hole is connected with the pull rod.

5. An exhaust gas collection device according to claim 1, wherein The net body is made of stainless steel.

6. An exhaust gas collection device according to claim 1, wherein The mesh size of the net body is 60-80 mesh.

7. An exhaust gas collection device according to claim 1, wherein One end of the air inlet is provided with a tapered port.

8. An exhaust gas collection device according to claim 1, wherein The air inlet is provided with a second through hole, the air pipe is provided with a third through hole, the fixed bolt penetrates the second through hole and the third through hole to fixedly connect the air inlet and the air pipe.

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