CN209810882U - Negative pressure explosion-proof air pipe - Google Patents
Negative pressure explosion-proof air pipe Download PDFInfo
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- CN209810882U CN209810882U CN201822258298.2U CN201822258298U CN209810882U CN 209810882 U CN209810882 U CN 209810882U CN 201822258298 U CN201822258298 U CN 201822258298U CN 209810882 U CN209810882 U CN 209810882U
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- explosion
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Abstract
The utility model discloses an explosion-proof tuber pipe of negative pressure, including the body, locate a plurality of water conservancy diversion mouths on body top, locate the installing support of each water conservancy diversion mouth top both sides to and rotate the guide plate of being connected with the installing support, be equipped with the air intake and the air outlet that are used for business turn over wind on the both sides wall of body, the guide plate can wind the biggest upward rotation of installing support to a spacing angle, the installing support includes a base plate that is fixed in the body top and the conflict board of perpendicular to base plate lateral wall, the bottom both ends of base plate are equipped with the lug in block to the body, the centre of base plate is equipped with and is used for rotating the card hole of being connected with the guide plate, is a contained angle between the vertical limit of support and base plate, the guide plate includes the plate body, and locates two bolts at plate body bottom both ends. The utility model discloses well explosion-proof tuber pipe of negative pressure has solved the not enough problem of current explosion-proof tuber pipe security of negative pressure.
Description
Technical Field
The utility model relates to an tuber pipe technical field especially relates to an explosion-proof tuber pipe of negative pressure.
Background
In the industrial production link, while the product is usually produced, substances such as gas, dust and the like are generated, and production enterprises often adopt a negative pressure fan to rapidly and forcibly discharge indoor gas, dust and the like out of a collecting and processing system so as to reach the standard that the working environment reaches the safety and environmental protection.
The existing negative pressure fan utilizes the principles of air convection and negative pressure ventilation to discharge air on one side of the air inlet of the negative pressure explosion-proof air pipe from the air outlet, so that any high heat, harmful gas, dust, smoke and the like can be collected and treated, and ventilation, cooling, harmful gas discharge and the like are realized.
However, current negative pressure tuber pipe is collecting taking a breath gas, dust in to industrial production, and the concentration of its gas and dust in negative pressure tuber pipe reaches explosion limit and takes place the detonation easily, and can take place the detonation when the safety precaution all became invalid, can cause the damage of negative pressure tuber pipe and relevant equipment this moment, and what's more can cause the injury to personnel's personal safety.
SUMMERY OF THE UTILITY MODEL
Based on this, the utility model aims at providing an explosion-proof tuber pipe of negative pressure solves the not enough problem of current explosion-proof tuber pipe security of negative pressure.
The embodiment of the utility model provides an explosion-proof tuber pipe of negative pressure, concrete technical scheme is as follows:
a negative pressure explosion-proof air pipe comprises a pipe body, a plurality of flow guide ports arranged at the top end of the pipe body, mounting brackets arranged at two sides of the top end of each flow guide port, and a flow guide plate rotatably connected with the mounting brackets, wherein an air inlet and an air outlet for air inlet and outlet are arranged on two side walls of the pipe body, and the flow guide plate can rotate upwards to a limit angle around the mounting brackets to the maximum extent; the utility model discloses a pipe body, including body, guide plate, installing support, baffle, installing support, the installing support includes one and is fixed in the base plate on body top and perpendicular to the conflict board of base plate lateral wall, the bottom both ends of base plate be equipped with the block extremely lug in the body, the centre of base plate be equipped with be used for with the baffle rotates the card hole of connecting, the conflict board with be an contained angle between the vertical limit of base plate, the guide plate includes the plate body and locates two bolts at plate body bottom both ends, the bolt cartridge in the installing support the card is downthehole.
The utility model provides an explosion-proof tuber pipe of negative pressure, through setting up water conservancy diversion mouth and guide plate, make explosion-proof tuber pipe of negative pressure receive detonation shock wave's effect under the guide plate automatically in the twinkling of an eye in deflagration, the energy that its deflagration produced releases through the water conservancy diversion mouth, make reduced the harm of deflagration energy to relevant equipment and personnel, and the energy that deflagration produced is released the back, the guide plate again with water conservancy diversion mouth looks actuation under gravity, realize the continuous operation of explosion-proof tuber pipe of negative pressure, make to have solved the problem that the explosion-proof tuber pipe security of current negative pressure is not enough.
Additionally, according to the utility model provides an explosion-proof tuber pipe of negative pressure can also have as following additional technical characterstic:
further, the limit angle is less than or equal to 80 degrees.
Furthermore, an adsorption component is arranged on the contact surface of the guide plate, which is contacted with the top end of the pipe body, and the guide plate is closely attracted with the guide opening through the adsorption component.
Drawings
Fig. 1 is a schematic structural view of an explosion-proof negative pressure air duct according to an embodiment of the present invention.
Fig. 2 is a schematic view of a front view structure of the negative pressure explosion-proof air pipe according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of another view angle of the negative pressure explosion-proof air duct according to an embodiment of the present invention.
Fig. 4 is an enlarged structural view of a portion circled ii in fig. 1.
Fig. 5 is a schematic structural view of a mounting bracket in a negative pressure explosion-proof air duct according to an embodiment of the present invention.
Fig. 6 is a schematic structural view of a flow guide plate in the negative pressure anti-explosion air duct according to an embodiment of the present invention.
Description of the symbols of the main elements
The following detailed description of the invention will be further described in conjunction with the above-identified drawings.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be embodied in many different forms other than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention, and it is therefore not to be limited to the specific embodiments disclosed below.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 6, an embodiment of the present invention provides a negative pressure anti-explosion air duct 10, which includes a duct body 20, a plurality of diversion ports 30 disposed at a top end of the duct body 20, mounting brackets 40 disposed at two sides of a top end of each diversion port 30, and a diversion plate 50 rotatably connected to the mounting brackets 40. The tube body 20 is further provided with a negative pressure fan (not shown), the two side walls of the tube body 20 are provided with an air inlet 60 and an air outlet 70 for air inlet and outlet, the contact surface of the guide plate 50 and the top end of the tube body 20 is provided with an adsorption component 80, in a normal state, the guide plate 50 is abutted against the flow guide port 30, and the guide plate 50 is closely attracted with the top end of the tube body 20 through the adsorption component 80, so that the air tightness inside the negative pressure explosion-proof air pipe 10 is realized, and the negative pressure explosion-proof air pipe 10 can be used in a normal state.
In this embodiment, the air inlet 60 is disposed on one side wall of the negative pressure explosion-proof air duct 10, the air outlet 70 is disposed on the other side wall of the negative pressure explosion-proof air duct 10 corresponding to the air inlet 60, and the negative pressure fan is configured to generate negative pressure so that air at one side of the air inlet 60 of the negative pressure explosion-proof air duct 10 is discharged from the air outlet 70, so that any high heat, harmful gas, dust, smoke, etc. can be discharged, and ventilation, cooling, harmful gas discharge, etc. are achieved. It can be understood that, in other embodiments of the present invention, the positions of the air inlet 60, the air outlet 70, and the negative pressure fan of the negative pressure anti-explosion air pipe 10 can be set according to actual use requirements, and are not limited herein.
Further, the top of the negative pressure explosion-proof air duct 10 is provided with a plurality of flow guiding ports 30 arranged at intervals, two sides of each flow guiding port 30 are respectively provided with a mounting bracket 40, the mounting bracket 40 is used for mounting and clamping the flow guiding plate 50, so that the flow guiding plate 50 can rotate around the mounting bracket 40, as shown in fig. 5, the mounting bracket 40 comprises a substrate 41 fixed at the top end of the duct body 20 and an abutting plate 42 perpendicular to the side wall of the substrate 41, two ends of the bottom of the substrate 41 are provided with convex blocks 43 clamped into the duct body 20, the middle of the substrate 41 is provided with a clamping hole 44 rotatably connected with the flow guiding plate 50, the clamping hole 44 is substantially oval, the abutting plate 42 is perpendicularly connected with the side wall of the substrate 41, and an included angle is formed between the abutting plate 42 and the vertical edge of the substrate 41. Wherein, the top of the tube body 20 is provided with a slot corresponding to the position of the bump 43, and the bump 43 passing through the mounting bracket 40 is clamped and welded to the slot of the tube body 20 to fix the mounting bracket 40 and the tube body 20.
Further, the air deflector 50 includes a plate body 51, and two bolts 52 disposed at two ends of the bottom of the plate body 51, when the negative pressure anti-explosion air duct 10 is assembled, the bolts 52 are inserted into the fastening holes 44 of the mounting bracket 40, so that the air deflector 50 can be rotatably connected with the mounting bracket 40, and meanwhile, when the air deflector 50 rotates upwards to a limit angle, the air deflector 50 abuts against the contact plate 42 on the mounting bracket 40, so as to stop the continuous rotation of the air deflector 50. In the preferred embodiment of the present invention, the limiting angle of the deflector 50 is 80 °, that is, the deflector 50 can rotate upward to an angle of 80 ° at most. The utility model discloses an in other embodiments, this spacing angle can set up according to the in-service use demand, does not do the injecing here.
Further, be equipped with adsorption component 80 on the contact surface that this guide plate 50 and body 20 top contacted, it is preferred, in this embodiment, this adsorption component 80 is the magnetic stripe, and wherein this explosion-proof tuber pipe of negative pressure 10 is the metal material, and is specific, in this embodiment, this explosion-proof tuber pipe of negative pressure 10 adopts the iron pipe, and it can be adsorbed by the magnetic stripe that sets up on the guide plate 50. It can be understood that in other embodiments of the present invention, it can also be equipped with the iron sheet, magnetic sheet, etc. adsorbed by the magnetic stripe at the position where the body 20 is inconsistent with the guide plate 50, and it mainly realizes the actuation of guide plate 50 and body 20 through the device that has adsorption capacity, and its implementation is not limited here.
When the negative pressure explosion-proof air pipe is used, the guide plate 50 is tightly attracted with the pipe body 20 under the action of gravity and the magnetic force of the magnetic strip, so that the air tightness inside the negative pressure explosion-proof air pipe 10 is realized, the negative pressure explosion-proof air pipe 10 is used in a normal state, and high heat, harmful gas, dust, smoke and the like at the air inlet 60 of the negative pressure explosion-proof air pipe 10 can be discharged from the air outlet 70. When gas and dust enter the negative pressure explosion-proof air pipe 10 to enable the concentration to reach the explosion limit and other prevention and control measures are invalid, the gas and dust are detonated; at this time, the guide plate 50 is pushed away under the action of the detonation shock wave, the guide plate 50 rotates upwards around the mounting bracket 40, and when the guide plate 50 rotates to a limit angle to the maximum extent, the guide plate 50 abuts against the contact plate 42, so that the stop of the continuous rotation is realized. Meanwhile, the limit angle is smaller than or equal to 80 degrees, so that the guide plate 50 rotates downwards to a closed state around the mounting bracket 40 under the action of gravity and magnetic force after the deflagration shock wave disappears, and the operation of the negative pressure explosion-proof air pipe 10 can be restored.
The utility model provides an explosion-proof tuber pipe of negative pressure 10, through setting up water conservancy diversion mouth 30 and guide plate 50, make explosion-proof tuber pipe of negative pressure 10 receive detonation shock wave's effect in the twinkling of an eye and can open guide plate 50 automatically down, the energy that its detonation produced releases through water conservancy diversion mouth 30, make reduced the damage of detonation energy to explosion-proof tuber pipe of negative pressure 10 and relevant equipment, and the energy that detonation produced is released the back, guide plate 50 is inhaled again with water conservancy diversion mouth 30 again under the effect of gravity and magnetic force and is closed, realize the continuation operation of explosion-proof tuber pipe of negative pressure 10, make the problem that the explosion-proof tuber pipe of current negative pressure 10 security is not enough solved.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (3)
1. A negative pressure explosion-proof air pipe is characterized by comprising a pipe body, a plurality of flow guide ports arranged at the top end of the pipe body, mounting brackets arranged at two sides of the top end of each flow guide port, and a flow guide plate rotationally connected with the mounting brackets, wherein air inlets and air outlets for air to enter and exit are arranged on two side walls of the pipe body, the flow guide plate can rotate upwards to a limit angle around the mounting brackets to the maximum extent, the mounting brackets comprise a base plate fixed at the top end of the pipe body and a touch plate perpendicular to the side wall of the base plate, two ends of the bottom of the base plate are provided with convex blocks clamped into the pipe body, a clamping hole for rotationally connecting with the flow guide plate is arranged in the middle of the base plate, an included angle is formed between the touch plate and the vertical edge of the base plate, and the flow guide plate comprises a plate body and two bolts arranged at, the bolt is inserted into the clamping hole of the mounting bracket.
2. The negative pressure explosion-proof air duct according to claim 1, wherein the limit angle is less than or equal to 80 °.
3. The negative-pressure explosion-proof air pipe according to claim 1, wherein an adsorption component is arranged on a contact surface of the guide plate, which is in contact with the top end of the pipe body, and the guide plate is closely attracted to the guide opening through the adsorption component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822258298.2U CN209810882U (en) | 2018-12-29 | 2018-12-29 | Negative pressure explosion-proof air pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822258298.2U CN209810882U (en) | 2018-12-29 | 2018-12-29 | Negative pressure explosion-proof air pipe |
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| Publication Number | Publication Date |
|---|---|
| CN209810882U true CN209810882U (en) | 2019-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822258298.2U Active CN209810882U (en) | 2018-12-29 | 2018-12-29 | Negative pressure explosion-proof air pipe |
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| CN (1) | CN209810882U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114211008A (en) * | 2021-09-24 | 2022-03-22 | 深圳市华阳新材料科技有限公司 | A structure of evenly induced drafting for 3D printing apparatus |
-
2018
- 2018-12-29 CN CN201822258298.2U patent/CN209810882U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114211008A (en) * | 2021-09-24 | 2022-03-22 | 深圳市华阳新材料科技有限公司 | A structure of evenly induced drafting for 3D printing apparatus |
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