Electrostatic discharge auxiliary flow guide assembly and pneumatic extinguisher
By designing an electrostatic discharge auxiliary flow guiding component on the wind-powered fire extinguisher, and using radial wires and grounding wires to conduct and release static electricity, the problem of static electricity accumulation in dust is solved, improving user comfort and operational efficiency.
Patent Information
- Application Number
- CN202520058462.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-09
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-01-09
AI Technical Summary
When wind-powered fire extinguishers are used in dusty environments, the accumulation of static electricity in the dust can lead to the risk of static charge release, affecting operator comfort and work efficiency. Existing technologies are unable to effectively release static electricity.
Design an electrostatic discharge auxiliary flow guiding component, including a first wire and a second wire. The second wire is radially distributed and fixed to the air outlet duct and the fan assembly by bolts. Combined with the grounding wire, it realizes the continuous flow guiding and release of static electricity.
It effectively improves the static electricity release effect of wind-powered fire extinguishers, enhances user comfort and operational efficiency, avoids the accumulation of static charge, and improves the efficiency of fire extinguishing or leaf sweeping.
Smart Images

Figure CN223729974U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of wind force fire extinguishing machine, concretely is static electricity release auxiliary guide component and wind force fire extinguishing machine. BACKGROUND
[0002] The wind force fire extinguishing machine can be divided into hand-held fire extinguishing machine and back-carrying wind force fire extinguishing machine according to carrying mode, and the wind force fire extinguishing machine is widely used in forest fire field, garden road cleaning and other fields, the on-site environment is mostly the working condition with more dust, a large amount of dust is blown up during operation, part of dust collides and rubs between dust and fan air duct, between dust and dust and between dust and air outlet pipe, thereby causing dust to carry static electricity, when the dust with static electricity gathers in the fan and air outlet pipe, static electricity accumulation phenomenon is formed, in some cases, the operator directly touches the fan assembly or small gasoline engine, causing the discharge phenomenon between the fan assembly or small gasoline engine and the operator, meanwhile, the static electricity of the air outlet pipe is released to the handle of the air outlet pipe, causing the discharge phenomenon between the handle and the operator, the high pressure generated by the discharge makes the operator feel uncomfortable, and the use comfort of the wind force fire extinguishing machine is reduced, in order to realize the release of static electricity on the wind force fire extinguishing machine, the wind force fire extinguishing machine is usually placed on the ground after a period of operation and the metal parts thereon are in contact with the ground to achieve the purpose of static electricity release, which affects the operation efficiency, further, since the air outlet pipe is mostly made of plastic, it has good insulation, so that the air outlet pipe cannot achieve good static electricity release even if it is placed on the ground, thereby the air outlet pipe still has high static electricity accumulation phenomenon, therefore, how to effectively realize the static electricity release of the whole wind force fire extinguishing machine is a problem to be solved. UTILITY MODEL CONTENTS
[0003] The utility model discloses a kind of static electricity release auxiliary guide components and wind force fire extinguishing machine, static electricity release auxiliary guide component can effectively assist to realize the static electricity guide release on dust with electricity in air outlet pipe, to help to realize the static electricity release of fire extinguishing machine as a whole, in turn can improve the comfort of fire extinguishing machine in use process.
[0004] The technical scheme adopted by the utility model to solve its technical problems is: a static electricity release auxiliary guide component, including first wire, second wire, one end of the first wire and one end of the second wire are connected, the first wire and the second wire after connection can be used as a wire, the other end of the second wire is distributed in radiation shape.
[0005] Preferably, the second wire is a flexible steel wire rope.
[0006] This utility model also includes a wind-powered fire extinguisher, comprising a small gasoline engine, a fan assembly, and an air outlet pipe. The small gasoline engine is mounted on the fan assembly and is used to drive the fan assembly. The air outlet pipe is fitted onto the air outlet of the fan assembly. The wind-powered fire extinguisher also includes the aforementioned electrostatic discharge auxiliary flow guiding component. One end of the first wire is bolted and fixed to the upper part of the small gasoline engine. The second wire is fitted inside the air outlet pipe, and the radially distributed ends of the second wire are close to the outlet of the air outlet pipe. The other ends of the first wire and the second wire are bolted and fixed to the volute of the fan assembly.
[0007] Furthermore, a first connecting piece is fixedly installed at both ends of the first conductor, and a through hole is provided on the first connecting piece. The first bolt is used to press and fix the corresponding first connecting piece on the small gasoline engine. A threaded hole is provided on the front half of the volute housing, and the threaded hole is close to the connection between the volute housing and the air outlet pipe. A clamping groove corresponding to the threaded hole is provided on the rear half of the volute housing. A cylindrical lead block is provided at the end of the second conductor that connects to the first conductor. The cylindrical lead block is fitted into the clamping groove. The second bolt is used to pass through the corresponding first connecting piece and tighten in the threaded hole to achieve the fixed installation of the first conductor and the second conductor on the volute housing.
[0008] Furthermore, a number of guide posts for guiding the first conductor routing are provided on the front side of the front half of the housing.
[0009] Furthermore, the wind-powered fire extinguisher also includes a grounding wire, a second connecting piece is provided at one end of the grounding wire, a through hole is provided on the second connecting piece, and the second connecting piece is pressed and fixed on the small gasoline engine by the first bolt.
[0010] Furthermore, a grounding plate is provided at the other end of the grounding wire.
[0011] The utility model discloses an advantageous effect is: the utility model discloses a static electricity release auxiliary flow guide component simple structure, convenient to process and manufacture, the free end of second wire is distributed in the radiation, and then when using it as static electricity flow guide component, can improve the contact range with static electricity release area, so that the static charge in static electricity release area can be effectively released, when static electricity release auxiliary flow guide component is applied on the wind -force fire extinguishing machine, the radiation end part of second wire is distributed in the inside of air outlet pipe, can increase the effective contact area of second wire and the inside of air outlet pipe, when the metal part on fire extinguishing machine contacts ground, then the static electricity on the charged dust in air outlet pipe and fan assembly, can be released to the earth through the flow guide effect of first wire and second wire, and then realizes static electricity release on the whole fire extinguishing machine, further, using the continuous contact of grounding plate on the earth wire and ground, can realize the static electricity on the whole fire extinguishing machine through the earth wire and continuously release to the earth without taking down the fire extinguishing machine and placing on the ground, not only can improve the operation efficiency of fire extinguishing or leaf cleaning, but also make the fire extinguishing machine whole not exist static charge accumulation phenomenon. BRIEF DESCRIPTION OF DRAWINGS
[0012] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will briefly introduce the drawing needed to be used in the embodiment or prior art description, and obviously, the following description of the drawing is part of the preferred embodiment of the utility model, and for the ordinary skilled in the art, under the premise of not paying the creative labor, other drawings can also be obtained according to these drawings.
[0013] Figure 1 It is the whole structure schematic diagram of a back-bearing type wind -force fire extinguishing machine specific embodiment in the utility model,
[0014] Figure 2 It is Figure 1 the enlarged view in A of
[0015] Figure 3 It is the connection schematic diagram of earth wire, first wire and second wire,
[0016] Figure 4 It is Figure 3 the enlarged view in B of
[0017] Figure 5 It is Figure 3 the enlarged view in C of
[0018] Figure 6 It is the distribution schematic diagram of first wire, second wire on the back half volute,
[0019] Figure 7 It is Figure 6 the enlarged view in D of
[0020] In the figure: 1 first wire, 11 first connecting piece, 2 second wire, 21 cylindrical lead block, 3 back frame, 4 small gasoline engine, 5 fan assembly, 51 front half volute, 511 guide column, 52 rear half volute, 6 air outlet pipe, 7 grounding wire, 71 second connecting piece, 72 grounding plate, 101 first bolt, 102 second bolt. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be described clearly and completely below in conjunction with specific embodiments and the accompanying drawings. Figures 1-7 It is obvious that the described embodiments are only some of the preferred embodiments of the utility model, not all the embodiments. Those skilled in the art can make similar modifications without departing from the connotation of the utility model, so the utility model is not limited by the specific embodiments disclosed below.
[0022] The utility model provides a kind of static electricity release auxiliary flow guide component (such as Figure 1 As shown in the figure), including first wire 1, second wire 2, one end of the first wire 1 and one end of the second wire 2 are connected, the first wire 1 and the second wire 2 after connection can be used as a wire, in actual application, when the first wire 1 or the second wire 2 contacts with the area with static electricity, after possessing the realization static electricity release condition, then the static electricity in the static electricity area is released accordingly, the other end of the second wire 2 is distributed in radiation shape, when the other end of the second wire 2 is distributed in radiation shape, then the effective contact area of this end with the static electricity area can be improved, in turn benefit to improve the static electricity release effect of this static electricity area, such as for some plastic material static electricity carrying object, because plastic generally has good insulation, leading to static charge under some conditions cannot flow freely, at this time, the wire in laying shape distribution is contacted with plastic product, so that its contact range is large, so as to facilitate static charge on plastic product to contact with wire directly, so as to realize the effective release of static charge on plastic product.
[0023] On the basis of the above embodiment, in order to realize that the other end of the second wire 2 is distributed in radiation shape, here, the second wire 2 is flexible steel wire rope, the multiple steel wires of the free end of the flexible steel wire rope are rubbed and twisted, then the multiple steel wires are dispersed as much as possible, so as to realize radiation distribution.
[0024] The utility model also provides a kind of wind force fire extinguishing machine, including small gasoline engine 4, fan assembly 5, air pipe 6, small gasoline engine 4 and fan assembly 5 are both common known technology product in the field of wind force fire extinguishing machine, so here, the detailed structure and working principle of small gasoline engine 4 and fan assembly 5 are not made detailed description, the small gasoline engine 4 is set on the fan assembly 5, and small gasoline engine 4 is used to realize the drive of the fan assembly 5, fan assembly 5 is driven under the small gasoline engine 4 and realizes the output of high pressure, high speed airflow, and the output high pressure airflow flows out from air pipe 6, so that the high pressure high speed airflow of air pipe 6 can be used to blow or extinguish ground fire operation of fallen leaves, the air pipe 6 is sleeved on the air outlet of the fan assembly 5, and the wind force fire extinguishing machine further includes the static electricity release auxiliary flow guide component described above, one end of the first wire 1 is fixed on the upper portion of the small gasoline engine 4 using bolt pressure, the second wire 2 is sleeved in the air pipe 6, and the end portion of the second wire 2 is close to the outlet of the air pipe 6, and the end portion of the second wire 2 is distributed in radiation, and the contact area of the end portion of the second wire 2 in the air pipe 6 is wide, so that after the aggregation of charged dust appears in the air pipe 6, under certain conditions, the flow guiding effect of the second wire 2 is used, then the static electricity in the air pipe 6 is released, to improve the end portion of the radiation distribution of the second wire 2 in the air pipe 6 long-term stable radiation, here, the end portion of each steel wire of radiation dispersion can be fixed on the side wall of the air pipe 6 using screw;The other end of the first wire 1 and the other end of the second wire 6 are fixed on the volute of the fan assembly 5 by bolt pressure.In actual application, when the wind force fire extinguishing machine is used for a period of time, the fire extinguishing machine can be taken down and placed on the ground, and the metal part of the fire extinguishing machine is in contact with the ground, so that the static electricity on the fire extinguishing machine is released to the ground using the conductor formed by the first wire 1, the second wire 2 and the small gasoline engine 4 connection work.
[0025] On the basis of the above-mentioned embodiment, the specific implementation of the first wire 1 and the second wire 2 achieving the specific electrically conductive connection on the fan assembly 5 is that: a first connecting piece 11 is fixedly arranged at both ends of the first wire 1, a through hole is arranged on the first connecting piece 11, and a first bolt 101 is used to achieve the clamping and fixing of the corresponding first connecting piece 11 on the small gasoline engine 4. Specifically, a threaded counterbore is formed at a position of the small gasoline engine 4, and the first bolt 101 is screwed in the threaded counterbore after penetrating through one first connecting piece 11, so as to achieve the fixation of one end of the first wire 1 on the small gasoline engine 4. A threaded hole is arranged on the front half shell 51 of the volute, the threaded hole is close to the connection between the volute and the air outlet pipe 6, a clamping groove 521 corresponding to the threaded hole is arranged on the rear half shell 52 of the volute, a cylindrical lead block 21 is arranged at the end of the second wire 2 connected with the first wire 1, the cylindrical lead block 21 is sleeved in the clamping groove 521, and a second bolt 102 is used to penetrate through the corresponding first connecting piece 11 and screwed in the threaded hole, so as to achieve the fixed installation of the first wire 1 and the second wire 2 on the volute. When the second bolt 102 is continuously rotated in the threaded hole, the second bolt 102 is continuously close to the cylindrical lead block 21, and when the second bolt 102 is pressed on the cylindrical lead block 21, the second bolt 102 is fastened in the threaded hole. At this time, the corresponding first connecting piece 11 is also pressed on the front half shell 51 by the second bolt 102, and the second bolt 102 achieves the electrically conductive connection of the corresponding first connecting piece 11 and the cylindrical lead block 21, thereby achieving the electrically conductive connection of the first wire 1 and the second wire 2. In order to conveniently achieve the running direction constraint of the first wire 1 on the front half shell 51, a plurality of guide columns 511 for guiding the running direction of the first wire 1 are arranged on the front side of the front half shell 51, and the guide columns 511 and the outer convex edges of the front half shell 51 are clamped, so as to effectively achieve the running direction constraint of the first wire 1.
[0026] In the ground fire extinguishing operation using the wind force fire extinguishing machine, in order to improve the continuous operation time, so as to improve the fire extinguishing efficiency, the wind force fire extinguishing machine further comprises a grounding wire 7, a second connecting piece 71 is arranged at one end of the grounding wire 7, a through hole is arranged on the second connecting piece 71, the first bolt 101 is used to realize the pressing and fixing of the second connecting piece 71 on the small gasoline engine 4, and the free end of the grounding wire 7 is always in contact with the ground during the fire extinguishing operation. The static electricity on the fan assembly 5 and the static electricity in the air outlet pipe 6 can be continuously released to the ground through the grounding wire 7, so that the fire extinguishing machine does not need to be placed on the ground for static electricity release, thereby realizing the connection operation of the fire extinguishing machine and improving the fire extinguishing efficiency. Further, in order to realize the better contact of the free end of the grounding wire 7 with the ground, so as to ensure the effective static electricity release and flow guiding, a grounding plate 72 is arranged at the other end of the grounding wire 7, and the grounding plate 72 has a large surface area, which can ensure better contact with the ground during movement.
[0027] In actual application, the wind force fire extinguishing machine provided by the above embodiment can further realize the processing and manufacturing of a backpack type wind force fire extinguishing machine and a hand-held fire extinguishing machine. When the backpack type wind force fire extinguishing machine is processed and manufactured, the fan assembly 5 of the wind force fire extinguishing machine is fixedly arranged on the back frame 3 by the damping device. The back frame 3 is a known product, and the detailed structure of the back frame 3 will not be described here. Two shoulder straps are arranged on the front part of the back frame 3, and the back frame 3 can be easily carried on the back by the shoulder straps. When the hand-held wind force fire extinguishing machine is processed and manufactured, the fan assembly 5 of the wind force fire extinguishing machine is fixedly arranged on the hand-held frame by the damping device, and the hand-held frame can easily realize the carrying and use of the wind force fire extinguishing machine.
[0028] In the utility model, "upper", "lower", "front", "rear", "left" and "right" are relative positions for the convenience of describing the positional relationship, and therefore cannot be understood as absolute positions for limiting the protection scope.
[0029] In addition to the technical features described in the specification, they are known to those skilled in the art.
[0030] The preferred embodiments and examples of the utility model are described in detail in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments and examples. For ordinary skilled in the art, without departing from the concept of the utility model, a number of improvements and modifications can be made, and these improvements and modifications should be regarded as the protection scope of the utility model.
Claims
1. An electrostatic discharge assist flow guide assembly, characterized by, The first wire and the second wire are connected at one end, and the first wire and the second wire after connection can be used as a wire, and the other end of the second wire is distributed in a radial manner.
2. The electrostatic discharge assist flow guide assembly of claim 1, wherein, The second wire is a flexible steel wire rope.
3. A wind fire extinguishing machine comprising a small gasoline engine, a fan assembly, an air outlet pipe, the small gasoline engine is arranged on the fan assembly and is used to realize the driving of the fan assembly, the air outlet pipe is sleeved on the air outlet of the fan assembly, characterized in that, The wind force fire extinguishing machine further comprises the static electricity release auxiliary guide assembly according to claim 1 or 2, one end of the first wire is fixed on the upper part of the small gasoline engine by bolt pressing, the second wire is sleeved in the air outlet pipe, and the end of the second wire distributed in a radial manner is close to the outlet of the air outlet pipe, and the other end of the first wire and the other end of the second wire are fixed on the volute of the fan assembly by bolt pressing.
4. A machine according to claim 3, wherein the air flow is directed downwardly and outwardly from the air outlet. Both ends of the first wire are fixedly provided with a first connecting piece, a through hole is arranged on the first connecting piece, the corresponding first connecting piece is fixed on the small gasoline engine by pressing with a first bolt, a threaded hole is arranged on the front half shell of the volute, the threaded hole is close to the connection between the volute and the air outlet pipe, a clamping groove corresponding to the threaded hole is arranged on the rear half shell of the volute, a cylindrical lead block is arranged on the end of the second wire connected with the first wire, the cylindrical lead block is sleeved in the clamping groove, and a second bolt penetrates through the corresponding first connecting piece and is tightened in the threaded hole to realize the fixed installation of the first wire and the second wire on the volute.
5. A machine according to claim 4, wherein the fan is mounted on the frame and is arranged to direct air towards the fire. A plurality of guide columns for guiding the first wire are arranged on the front side of the front half shell.
6. A machine according to claim 4 or 5, characterised in that, The wind force fire extinguishing machine further comprises a grounding wire, a second connecting piece is arranged on one end of the grounding wire, a through hole is arranged on the second connecting piece, and the second connecting piece is fixed on the small gasoline engine by pressing with the first bolt.
7. A machine according to claim 6, wherein, A grounding plate is arranged on the other end of the grounding wire.