CN219042056U - Novel discharging needle seat - Google Patents

Abstract

The utility model provides a novel needle file discharges for install on static elimination equipment, the needle that discharges is used for corona discharge, and it is including the cap body and be located the connecting rod that cap body bottom downwardly extending, the needle that discharges is pegged graft within the connecting rod, and its head and tail both ends are in respectively cap body and connecting rod tip are stretched out, its characterized in that, a bin has been seted up to cap body tip, the needle head end that discharges is located the bin bottom stretches out, the bin bottom is encircleed the needle that discharges has seted up two at least gas pockets, the gas pocket is narrow down wide frustum structure. According to the embodiment of the utility model, the air holes and the air channels are arranged, so that the generated air flow jet track can be changed in the working process of the discharge needle seat, the inside of the discharge needle seat and the discharge needle can be cleaned, dust deposition is prevented, and the static elimination rate is influenced.

Description

Novel discharging needle seat

Technical Field

The utility model relates to the technical field of static elimination, in particular to a novel discharging needle seat.

Background

In the field of electronic industry, static electricity is an important factor for causing potential failure of sensitive electronic components and reducing the reliability of electrons, so the protection requirement on static electricity in the field of electronic industry is continuously improved, and the reduction and elimination of static electricity are already important working contents of industrial electronics and related industries.

The static eliminating device is one kind of equipment for eliminating static electricity, and after corona discharge with the discharge needle, the generated ionized air is blown to the eliminating workpiece to neutralize the static electricity on the eliminating workpiece, so as to eliminate static electricity. At present, an ion wind rod is a common static eliminator in the market, and a discharge needle is installed on the wind rod, so that after the discharge needle is electrified with high voltage, corona discharge is performed on the tip of the discharge needle, and thus electric ions are ionized, for example, chinese patent application CN208739459U (a ventilation static eliminator) adopts a structure in which the discharge needle is installed inside an air tap, and is electrically conducted with an air tap base of the air tap through a probe, so that the discharge needle is electrified, and corona discharge can be performed.

In the scheme, after the service time is long, dust is easy to accumulate in the air tap, so that the air flow in the air tap is not strong, the speed of blowing the air mass with the electric ions to the elimination workpiece is slower, and under the condition that the dust accumulates more, dust is adhered to the tip of the discharge needle, so that the discharge of the discharge needle is influenced. Therefore, a new device is needed to reduce the dust accumulation.

Disclosure of Invention

The utility model aims to provide a novel discharging needle seat so as to overcome the defects in the background art.

The utility model provides a novel needle file discharges for install on static elimination equipment, the needle that discharges is used for corona discharge, and it is including the cap body and be located the connecting rod that cap body bottom downwardly extending, the needle that discharges is pegged graft within the connecting rod, and its head and tail both ends are in respectively cap body and connecting rod tip are stretched out, a bin has been seted up to cap body tip, the needle head end that discharges is located the bin bottom stretches out, the bin bottom is encircleed the needle that discharges has seted up two at least gas pockets, the gas pocket is narrow frustum structure down wide.

Further, the connecting rod is provided with a mounting hole with a polygonal cross section along the axis direction, the discharge needle is inserted into the mounting hole, a through hole communicated with the mounting hole is formed in the circumferential surface of the connecting rod, and the intersecting position is located at any inner angle of the mounting hole, so that the through hole and the mounting hole form a mutually communicated air path.

Further, an annular groove which is communicated with all the inner angles is formed in the inner wall of the mounting hole, so that the through hole is communicated with all the inner angles of the mounting hole.

Furthermore, avoidance grooves corresponding to the air holes respectively are formed in the circumferential surface of the connecting rod, and the avoidance grooves are formed in the axial direction of the connecting rod.

Furthermore, a boss is formed at the connecting position of the connecting rod and the cap body, the diameter of the boss is larger than that of the connecting rod, and the air hole is formed in the boss.

Further, at least two connecting blocks which are mutually spaced and protrude in the radial direction are formed on the circumferential surface of the connecting rod, and the connecting blocks are mutually staggered with the air holes and have a spacing space with the bottom surface of the cap body.

Further, the side surfaces of all the connecting blocks along the same circumferential direction are provided with transition inclined surfaces.

Further, a containing cavity is axially arranged in the connecting rod, and a connecting hole communicated with the containing cavity is axially formed in the tail end of the connecting rod along the shaft; the discharge needle comprises a needle body and a thimble, wherein the needle body is inserted on the connecting rod, the tail end of the needle body extends out of the cavity, the thimble is movably connected in the connecting hole, a limiting part for preventing the thimble from falling out of the connecting hole is formed at one end of the cavity, and a compression spring which is positioned between the needle body and the thimble and provides elastic support for the thimble is arranged in the cavity, so that the thimble continuously extends out of the cavity.

Further, the bottom of the bin is further provided with a base, and the head end of the discharge needle extends out of the end of the base, so that the head end of the discharge needle and the bottom of the bin have a height difference.

Furthermore, the base is of a truncated cone structure with a narrow upper part and a wide lower part.

Compared with the prior art, the utility model has the beneficial effects that:

firstly, at least two air holes are formed in the bottom of a bin and surround a discharge needle, the shape of each air hole is in a frustum structure, so that when high-pressure air is sprayed out through each air hole, the air flow sprayed out is in a conical shape, the head end of the discharge needle can be cleaned, the dust accumulation degree at the head end of the discharge needle can be reduced, meanwhile, in the process that a plurality of air holes spray high-pressure air together, multiple air flows interact, a cyclone is formed in the bin, the bottom and the side wall of the bin can be cleaned, the cleaning degree in the bin is guaranteed, further, the discharge needle is located on the bottom of the bin through a base, the dust accumulation at the bottom of the bin is avoided, the base is in a frustum structure, after the air flow is sprayed onto the base, the air flow moves upwards along the circumferential surface of the base, the air flow can be gradually gathered towards the center line direction, the head end of the discharge needle is blown, and the top end of the discharge needle is cleaned further; meanwhile, the cross section of the mounting hole for inserting the discharge needle is polygonal, and the mounting hole and the through hole formed in the connecting rod form a gas circuit communicated with the wind cavity, so that high-pressure gas can be blown out from the inside of the mounting hole to the outside, and the high-pressure gas can further clean the circumferential surface of the head end of the discharge needle, so that the cleaning degree of the discharge needle is further ensured.

Secondly, the connecting block is arranged on the connecting rod and is connected with the ion wind rod in a clamping manner, so that not only can the disassembly and assembly of the discharging needle seat be convenient, but also the precision requirement in production and installation can be reduced, a certain gap exists between a hole position on the ion wind rod and the connecting rod, and the air hole is communicated with the ion wind rod wind cavity more smoothly through the gap, so that the smooth degree of the discharge of high-pressure gas is ensured; meanwhile, an avoidance groove is further formed in the connecting rod, so that the flow rate from high-pressure gas to the air hole can be further improved.

Finally, carry out sectional type's setting to connecting rod and discharge needle, can have certain elasticity buffering at the in-process that carries out mutual butt at discharge needle and ion wind stick high voltage module, avoid because the atress is great, lead to the condition of high voltage module or discharge needle damage.

The utility model is further described below with reference to the drawings and embodiments of the specification.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a top view of the present utility model.

Fig. 3 is a schematic diagram of a second embodiment of the present utility model.

FIG. 4 is a cross-sectional view in the direction A-A of the present utility model.

FIG. 5 is a cross-sectional view in the direction B-B of the present utility model.

Fig. 6 is a schematic diagram of an explosive structure of an ion wind bar according to the present utility model.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects solved by the utility model more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It should be noted that all directional indications (such as up, down, left, right, front, and rear are used in the embodiments of the present utility model) are merely for explaining the relative positional relationship, movement conditions, and the like between the components in a certain specific posture (as shown in the drawings), and if the specific posture is changed, the directional indication is changed accordingly.

In addition, the descriptions of "first," "second," etc. in the embodiments of the present utility model are provided for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.

The embodiment of the utility model provides a novel discharging needle seat 01, which can clean accumulated dust, so that the accumulated dust on the discharging needle seat 01 is less, as shown in fig. 6, the discharging needle seat 01 provided by the embodiment of the utility model is arranged on an ion wind rod 02, and the tip of a discharging needle 300 performs corona discharge under the condition of high pressure, so that positive and negative ions are ionized. As shown in fig. 1-5, the discharging needle holder 01 comprises a cap body 100 and a connecting rod 200 located at the bottom of the cap body and extending downwards, wherein the discharging needle 300 is connected with the ion wind rod 02 in fig. 6 through the connecting rod 200, as shown in fig. 1-5, a chamber 101 is formed at the end part on the cap body 100, the head end of the discharging needle 300 extends out of the bottom of the chamber 101, the tail end of the discharging needle holder 200 extends out of the end part of the connecting rod 200, so that after the discharging needle holder 01 is installed on the ion wind rod 02, the discharging needle holder is electrically connected with an internal high-voltage component, and thus the head end of the discharging needle 300 located in the chamber 101 is discharged, at least two air holes 110 formed around the discharging needle 300 are further arranged on the bottom of the chamber 101, in this embodiment, the number of the air holes 110 is four, in other embodiments, the number of the air holes can be two, three or more, so that when the discharging needle holder 01 is installed on the ion air bar 02, the air cavity 023 of the ion air bar 02 blows out high-pressure air through the air hole 110, in the embodiment of the utility model, the air hole 110 is of a frustum structure with a narrow upper part and a wide lower part, namely, the opening size of the air hole 110 above the bottom of the bin 101 is smaller than the opening size of the air hole 110 above the bottom of the cap body 100, by arranging the air hole 110 in a conical structure, after the air flow passes through a large-diameter opening, the air hole 110 is gradually pressurized, when the air flow is blown out, the air flow velocity is large, the air flow is blown out through the air flow in a conical track shown by a dotted line in fig. 4, and can sweep the tip head end position of the discharging needle 300, so that the head end of the discharging needle 300 can be continuously blown out, and dust can be prevented from being accumulated on the discharging needle 300, influence the discharge; meanwhile, the four air holes 110 are used for spraying high-pressure air at the same time, and a cyclone is formed in the bin 101 of the cap body 100 as shown by a dotted arrow in fig. 3, so that dust in the side wall and the bottom of the bin 101 can be cleaned, dust in the bin 101 is reduced, the number of the dust is reduced, it can be understood that the number of the air holes 110 in the embodiment is four, two or three or more air holes around the discharge needle 300 can be arranged in other embodiments, and when the number of the air holes 110 is two, two air flows sprayed out through the two air holes 110 can interact to generate the cyclone, so that the bottom and the inner wall of the bin 101 can be cleaned, and the effect of removing the dust is achieved. When the number of air holes 110 is larger, the cyclone strength of the air holes in the chamber 101 is larger, and the purging force to the inner wall and the bottom of the chamber 101 is larger.

In the use process, a hole site 021 is formed on the ion wind bar 02 so that the connecting rod 200 of the discharge needle seat 01 penetrates and is installed on the ion wind bar 02, at the moment, the air hole 110 is communicated with the wind cavity 023 of the ion wind bar 02, so that high-pressure gas in the wind cavity 023 is sprayed out of the chamber 101 of the cap body 100 through the air hole 110, and when the air flow is sprayed out of the air hole 110, the air flow is sprayed out of the air hole 110 in a conical shape due to the conical structure of the air hole 110, so that the head end position of the discharge needle 300 can be purged, meanwhile, a plurality of air holes 110 spray a plurality of air flows in the chamber 101 at the same time, cyclone is generated under interaction, so that the inner wall and the bottom of the chamber 101 can be purged, and dust accumulation is reduced.

In the utility model, the embodiment is also provided with the air passage for further increasing the blowing function, so that the high-pressure air in the air cavity 023 can be sprayed through the increased air passage, and the blowing force for blowing the ionized air mass to the elimination workpiece can be enhanced. As shown in fig. 2 to 5, the connecting rod 200 is provided with a mounting hole 120 having a polygonal cross section along the axial direction, the discharge needle 300 is inserted into the mounting hole 120, and simultaneously, a through hole 203 which is mutually communicated with the mounting hole 120 is further provided on the circumferential surface of the connecting rod 200, and the intersecting position of the through hole 203 and the mounting hole 120 is positioned at any inner angle of the mounting hole 120, so that the mounting hole 120 forms a mutually communicated air path. It will be understood that, for the installation relationship between the discharge needle 300 and the installation hole 120, the installation may be performed by an interference fit manner, or the installation may be performed by providing a clamping position for mutual clamping, or the installation hole 120 may be adhered by an adhering manner, no matter what way, since the cross section of the installation hole 120 is polygonal, when the discharge needle 300 is installed therein, a certain gap exists between the discharge needle 300 and the installation hole 120 at least at the inner angle of the installation hole 120, when the discharge needle holder 01 is installed above the ion wind rod 02, the gap is communicated with the wind cavity 023 of the ion wind rod 02 through the through hole 203, so that the high-pressure gas in the wind cavity 023 is ejected from the gas path formed by the through hole 203 and the inner angle of the installation hole 120, during the process, because the high-pressure gas is ejected from the inner angle of the installation hole 120, the gas flow is blown upward along the end of the discharge needle 300 during the ejection, firstly, the dust accumulation can be avoided when the end of the discharge needle 300 is blown from the installation hole 120, and secondly, the gas flow can be blown from the installation hole 120 to the wind cavity with the ion wind cavity 02, and the wind cavity 101 with the ion wind cavity can be blown to the outside, and the wind cavity 101 can be removed.

In use, when the discharge needle holder 01 is mounted on the ion wind rod 02, the through hole 203 on the connecting rod 200 is just inside the wind chamber 023, so that high pressure gas can be blown out along the inner angle of the installation chamber through the through hole 203.

In the present embodiment, an annular groove for communicating all the inner corners is also opened on the inner wall of the mounting hole 120, so that the through hole 203 can communicate with all the inner corners of the mounting hole 120 after the discharge needle 300 is mounted inside the mounting hole 120. In the use process, the annular groove can enable the high-pressure gas to be sprayed along a plurality of angles around the end part of the discharge needle 300 in the process of spraying the high-pressure gas outwards in the mounting hole 120, so that the gas flow is large, and meanwhile, the blowing angle of the discharge needle 300 is also large.

Meanwhile, in the present utility model, in order to make the head end of the discharge needle 300 far from the bottom of the chamber 101, a base 102 is formed at the bottom of the chamber 101 to reduce the probability of dust accumulation at the head end of the discharge needle 300, and the head end of the discharge needle 300 protrudes at the end of the base 102, so that a height difference is formed between the head end of the discharge needle 300 and the bottom of the chamber 101 to reduce the probability of dust deposition. Meanwhile, the base 102 is provided with a round table mechanism, that is, the base 102 is of a structure with a narrow top and a wide bottom, through the design, air flow blown on the circumferential surface of the base 102 can gradually converge towards the axial direction of the base 102 when moving upwards along the bottom circumferential surface, so that the air flow is blown to the head end of the discharge needle 300 extending out of the top of the base 102, the head end of the discharge needle 300 is purged, and dust accumulation on the discharge needle 300 is reduced.

In the present utility model, in order to enable the high-pressure gas in the air chamber 023 to be smoothly blown out through the air hole 110 after the discharge needle holder 01 is mounted on the ion air bar 02, a plurality of avoidance grooves 201 are formed on the surface of the connecting rod 200, the number of the avoidance grooves 201 corresponding to the air hole 110, and the avoidance grooves are formed along the axial direction of the connecting rod 200. When the discharging needle seat 01 is arranged on the ion wind rod 02, a gap is formed between the avoiding groove 201 and the inner wall of the hole site 021 which is positioned on the ion wind rod 02 and used for installing the connecting rod 200, the gap can enable the air hole 110 to be communicated with the wind cavity 023 of the ion wind rod 02, and high-pressure gas in the wind cavity 023 can be conveniently ejected from the air hole 110.

In this embodiment, a boss 202 is formed on the bottom surface of the cap body 100, that is, a boss 202 with a diameter larger than that of the connecting rod 200 is formed at the position where the cap body 100 is connected with the connecting rod 200, and in this embodiment, the boss 202 and the connecting rod 200 are coaxially arranged, and the air holes 110 are all opened on the boss 202. The boss 202 is provided to facilitate the installation of the seal ring 011 after the discharge needle holder 01 is mounted on the ion wind rod 02. Specifically, after the discharging needle stand 01 is installed on the ion wind rod 02, the ion wind rod 02 and the discharging needle stand 01 need to be sealed, so that air leakage of an air cavity 023 at the installation position of the discharging needle stand 01 can be avoided, when the sealing ring 011 is sleeved on the circumferential surface of the boss 202, the sealing ring 011 can be prevented from moving when being positioned between the cap body 100 and the ion wind rod 02, and because the discharging needle stand 01 can move corresponding to the ion wind rod 02 in the installation process of the discharging needle stand 01, the sealing ring 011 positioned between the discharging needle stand 01 and the ion wind rod 02 can move, and under the condition that the sealing ring 011 moves, a certain air hole 110 can be blocked, so that air leakage is not smooth; after the seal ring 011 is sleeved on the boss 202, the seal ring 011 can be prevented from moving in the process of mounting the discharge needle holder 01, thereby preventing the air hole 110 from being blocked. It can be understood that, in the process of installing the discharging needle holder 01, after the connecting rod 200 penetrates into the hole site 021 of the ion wind rod 02, the discharging needle holder 01 is installed, at this time, the cap body 100 is located at the outer side of the ion wind rod 02 and is spaced with the sealing ring 011 between the ion wind rod 02, and the sealing is achieved through the process of clamping the sealing ring 011 between the cap body 100 and the ion wind rod 02, that is, in the sealed state, a certain gap exists between the cap body 100 and the ion wind rod 02, which also can facilitate the air hole 110 to communicate with the air cavity 023 of the ion wind rod 02, specifically, when the connecting rod 200 is installed on the ion wind rod 02, the avoidance groove 201 can enable a certain gap between the connecting rod 200 and the hole site 021, so that the air hole 110 corresponding to the avoidance groove 201 can achieve communication with the air cavity 023, and the gap between the cap body 100 and the ion wind rod 02 can enable communication between a plurality of air holes 110 under the spacing of the sealing ring 011.

In the present embodiment, an example is given of the connection manner of the connection rod 200, four connection blocks 210 protruding in a radial direction and spaced apart from each other are formed on the circumferential surface of the connection rod 200, and in other embodiments, two or three or more connection blocks 210 may be provided with a position of the air hole 110 being staggered from each other, and at the same time, a certain space is provided between the connection block 210 and the bottom of the cap body 100. The connecting rod 200 is clamped in the hole site 021 of the ion wind rod 02 through the connecting block 210, so as to realize the installation of the discharge needle seat 01, specifically, as shown in fig. 1 and 6, the connecting block 210 in the embodiment of the utility model is mutually spaced and protrudes along the radial direction of the connecting rod 200, a clamping groove 022 corresponding to the hole site 021 of the ion wind rod 02 is also formed above the hole site 021 of the ion wind rod 02 along the radial direction, in the installation process, the position of the connecting block 210 corresponding to the clamping groove 022 passes through and is positioned in the wind cavity 023, at the moment, the cap body 100 is rotated to enable the connecting block 210 and the clamping groove 022 to be mutually misplaced, so that the installation of the discharge needle seat 01 is completed, and in the process of installing the discharge needle seat 01, a sealing ring 011 is arranged between the cap body 100 and the ion wind rod 02, so that after the connecting rod 200 is penetrated into the hole site 021, the discharge needle seat 01 is continuously pressed towards the direction of the ion wind rod 02, so that the sealing ring 011 generates elastic deformation, at the moment, the cap body 210 and the clamping groove 022 are misplaced, and the ion wind rod 01 is installed in the wind cavity 023, so that the ion wind rod 02 is prevented from being elastically deformed, and the connection needle seat 01 is kept under the condition of the sealing ring 011.

At present, the installation of the discharged needle stand 01 usually adopts a threaded connection, the threaded connection is reliable, but certain defects exist, for example, the sizes of the two connecting rods 200 and the hole site 021 which are connected with each other are mutually matched, the size precision requirement is higher, and the threads are more complex and have higher precision requirement in the production and processing process. In the scheme, through the connection mode of the connection block 210, the requirement on the dimensional accuracy of the mutual matching of the connection rod 200 and the hole site 021 is lower, a certain gap can be arranged between the connection block 210 and the hole site 021, and the gap can also promote the high-pressure gas in the air inlet cavity 023 to be blown out along the air hole 110; the disassembly and assembly can be more conveniently carried out through the corresponding threaded connection of the connecting blocks 210; in addition, the precision requirements of the connecting block 210 and the clamping groove 022 are low in the production and processing process, and the production procedures are few.

In the embodiment of the present utility model, a transition inclined plane 211 is disposed on the side surface of all the connection blocks 210 along the same circumferential direction, and in the process of rotating the cap body 100, the connection blocks 210 can be more conveniently staggered with the clamping grooves 022 by the arrangement of the transition inclined plane 211, and are clamped under the side wall of the ion wind rod 02, so as to realize the installation of the discharge needle stand 01. It should be noted that, in the process of installing the discharge needle 300, the spacing space between the connecting block 210 and the bottom of the cap body 100 should be smaller than the sum of the thicknesses of the side wall of the ion wind rod 02 and the sealing ring 011, so that the sealing ring 011 can be pressed to elastically deform when the connecting block 210 and the clamping groove 022 are clamped under the side plate of the ion wind rod 02 in a staggered manner, and in the process of rotating the cap body 100 to misplacement the connecting block 210 and the clamping groove 022, the transition inclined surface 211 on the connecting block 210 can enable the connecting block 210 to be under the guidance of the transition inclined surface 211, so that the connecting rod 200 has downward axial force, thereby being convenient for downwards clamping the sealing ring 011 and being more convenient to install.

In the present utility model, the structure of the discharge needle 300 is designed so that after the discharge needle holder 01 is mounted on the ion wind rod 02, the discharge needle 300 can prevent the discharge needle 300 and the high-voltage component from being damaged when the ion wind rod 02 is electrically connected, in this embodiment, the discharge needle 300 is electrically connected by mutually abutting the high-voltage component in the ion wind rod 02, in the process of mutually abutting, damage to the high-voltage component or the discharge needle 300 is possibly caused by overlarge stress, a buffer structure is provided in the present utility model, so that the situation is avoided, specifically, as shown in fig. 4-5, the connecting rod 200 has a first section 200a and a second section 200b which are mutually connected, and holes corresponding to each other are formed on the first section 200a and the second section 200b, after the first section 200a and the second section 200b are assembled, the inside of the connecting rod 200 is made into a cavity 220, in the connecting mode of the first section 200a and the second section 200b is connected by mutually abutting, in the bonding mode adopted in the present utility model, in the embodiment of mutually welding, in the mode of mutually connecting the first section 200b and the other connecting rod is provided with the holes 221, and the other connecting holes are also provided at the same time, and the connecting holes are connected by mutually connecting axes 120 are worth of connecting the holes 221; the discharging needle 300 comprises a positive body and a thimble 310, wherein the needle body 301 is inserted into the mounting hole 120 of the connecting rod 200, the head end of the needle body extends out of the chamber 101, the tail end of the needle body is positioned in the accommodating cavity 220, the thimble 310 is movably connected to the inner part of the connecting hole 221, and a limit part 311 is formed on one section 200a of the accommodating cavity 220, so that the thimble 310 falls out of the connecting hole 221, and meanwhile, compression elasticity is arranged between the limit part 311 and the positive body in the accommodating cavity 220, so that elastic support towards the direction far away from the accommodating cavity 220 can be provided for the thimble 310, and the thimble 310 can continuously extend out of the accommodating cavity 220. After the discharging needle seat 01 is installed, the ejector pin 310 and the high-voltage component are mutually abutted to realize electric connection, and at the moment, the high-voltage component and the ejector pin 310 can be prevented from being damaged due to large stress through the buffer of the compression spring 222. It will be appreciated that the electrical connection between the needle 310 and the needle body 301 may be a conductive plate disposed on the inner wall of the cavity 220, in which the limiting portion 311 of the needle 310 continuously contacts with the conductive plate during the process of moving along the axis of the connecting hole 221, and the other end of the conductive plate is connected with the needle body 301, and in other embodiments, the connection manner between the needle body 301 and the needle body 310 may be implemented by other manners in the existing design, so as to ensure that the needle 310 and the needle body 301 can be electrically connected.

According to the novel discharging needle seat 01 provided by the embodiment of the utility model, the air holes 110 are distributed around the discharging needle 300 in a conical structure, so that when high-pressure air is sprayed out along the air holes 110, the air flow sprayed out of each air hole 110 is distributed in a conical shape, the air flow sprayed out of each air hole 110 can be cleaned to the head end of the discharging needle 300, and under the effect of the air flow sprayed out of a plurality of air holes 110, a cyclone can be formed in the bin 101, so that the side wall and the bottom of the bin 101 are cleaned, and dust accumulated in the bin 101 is removed. Meanwhile, the cross section of the mounting hole 120 for mounting the discharge needle 300 is polygonal, so that when the discharge needle seat 01 is mounted on the ion wind rod 02, a gas path is formed through the through hole 203 formed on the connecting rod 200 and is communicated with the wind cavity 023, high-pressure gas can be sprayed out of the mounting hole 120, the moving speed of an ion gas cluster is further increased, and the discharge needle 300 can be cleaned further; the connecting rod 200 is provided with the avoidance groove 201, after the discharging needle seat 01 is arranged on the ion wind rod 02, the air hole 110 and the wind cavity 023 can be connected more smoothly, high-pressure air can be sprayed out rapidly and rapidly in the air hole 110, and the cleaning effect of the bin 101 is ensured.

Various other corresponding changes and modifications will occur to those skilled in the art from the disclosure herein, and all such changes and modifications are intended to be included within the scope of the present utility model.

Claims (10)

1. The utility model provides a novel needle file discharges for install on static elimination equipment, the needle that discharges is used for corona discharge, and it is including the cap body and be located the connecting rod that cap body bottom downwardly extending, the needle that discharges is pegged graft within the connecting rod, and its head and tail both ends are in respectively cap body and connecting rod tip are stretched out, its characterized in that, a bin has been seted up to cap body tip, the needle head end that discharges is located the bin bottom stretches out, the bin bottom is encircleed the needle that discharges has seted up two at least gas pockets, the gas pocket is narrow down wide frustum structure.

2. The novel discharging needle seat according to claim 1, wherein the connecting rod is provided with a mounting hole with a polygonal cross section along the axial direction, the discharging needle is inserted into the mounting hole, a through hole communicated with the mounting hole is formed in the circumferential surface of the connecting rod, and the communicated position is located at any inner angle of the mounting hole, so that the through hole and the mounting hole form a mutually communicated air path.

3. The novel discharging needle stand according to claim 2, wherein an annular groove for communicating all inner corners is further formed on the inner wall of the mounting hole, so that the through hole is communicated with all inner corners of the mounting hole.

4. The novel discharging needle seat according to claim 1, wherein avoidance grooves respectively corresponding to the air holes are formed in the circumferential surface of the connecting rod, and the avoidance grooves are formed in the axial direction of the connecting rod.

5. The novel discharging needle stand according to claim 4, wherein a boss is further formed at the connecting position of the connecting rod and the cap body, the diameter of the boss is larger than that of the connecting rod, and the air hole is formed in the boss.

6. The novel discharging needle seat according to claim 1, wherein at least two mutually spaced connecting blocks protruding in the radial direction are formed on the circumferential surface of the connecting rod, and the connecting blocks are mutually staggered with the air holes and have a spacing space with the bottom surface of the cap body.

7. The novel discharging needle stand according to claim 6, wherein the side surfaces of all the connecting blocks along the same circumferential direction are provided with transition slopes.

8. The novel discharging needle seat according to claim 1, wherein a containing cavity is axially arranged in the connecting rod, and a connecting hole communicated with the containing cavity is axially formed at the tail end of the connecting rod; the discharge needle comprises a needle body and a thimble, wherein the needle body is inserted on the connecting rod, the tail end of the needle body extends out of the cavity, the thimble is movably connected in the connecting hole, a limiting part for preventing the thimble from falling out of the connecting hole is formed at one end of the cavity, and a compression spring which is positioned between the needle body and the thimble and provides elastic support for the thimble is arranged in the cavity, so that the thimble continuously extends out of the cavity.

9. The novel discharge needle seat according to claim 1, wherein a base is further formed at the bottom of the chamber, and the head end of the discharge needle extends out from the end of the base, so that the head end of the discharge needle has a height difference from the bottom of the chamber.

10. The novel discharging needle base according to claim 9, wherein the base is of a truncated cone structure with a narrow upper part and a wide lower part.

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