CN210092568U

CN210092568U - Discharge needle device

Info

Publication number: CN210092568U
Application number: CN201921012916.3U
Authority: CN
Inventors: 许雷宇
Original assignee: HUIZHOU SUNLEADER ELECTRONICS TOOL CO Ltd
Current assignee: HUIZHOU SUNLEADER ELECTRONICS TOOL CO Ltd
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-02-18
Anticipated expiration: 2029-06-28

Abstract

The utility model discloses a discharge needle device through setting up support body external member, PCB board external member and PCB board external member. In the practical application process, the arrangement of the reset elastic piece and the clamping piece enables the discharge needle to be in a detachable design, and when the discharge needle needs to be replaced or maintained, the discharge needle is directly pulled out for maintenance or replacement; in addition, the arrangement of the plurality of insulating sleeve bodies can play a role in protecting the discharge needles, effectively prevent the discharge needles from being deformed and damaged when being subjected to larger external force, and meanwhile, the insulating sleeve bodies can also have an insulating and isolating function and prevent hands from directly touching the discharge needles to get an electric shock; moreover, the insulation sleeve body is circumferentially distributed around the circle center of the containing hole, so that the discharge needles are circumferentially distributed around the circle center of the containing hole, and the arrangement of the discharge needles can greatly improve the discharge rate of the discharge needle device, so that the discharge needles can quickly release positive and negative ions to complete the static elimination work.

Description

Discharge needle device

Technical Field

The utility model relates to a discharge needle technical field especially relates to a discharge needle device.

Background

At present, the ion fan mainly plays a role in static elimination, has superior static elimination performance, and prevents static pollution and damage. The device is ideal equipment for personal electrostatic protection areas such as electronic production lines, maintenance platforms and the like. Is designed for local areas. Has the characteristics of small volume, light weight, convenient installation and the like. Can be installed in a building block mode and is suitable for various places. The general ion blower can be divided into a desk type ion blower, a horizontal type ion blower, a suspension type ion blower and a micro ion blower. The electrostatic eliminator of ion blower is one kind of electrostatic eliminator to eliminate electrostatic by conveying ionized air to far place. The corona discharger, the high-voltage power supply and the air supply system are mainly used for forming the corona discharger. It is designed and manufactured according to the principle of point discharge and positive and negative electricity 'neutralization'. It can eliminate static electricity on insulating material and articles. The air quantity of the electrostatic eliminator of the ion fan can be adjusted, so that the range of an electricity eliminating space is wider.

If the ion fan needs to realize the static elimination function, a discharge needle device is required to be arranged in the ion fan, positive and negative ions are released by discharging at the tip of a needle point of the discharge needle device under high voltage, and the ion fan sends the positive and negative ions in the air to a preset position by using the air quantity generated by the ion fan, so that the static elimination is completed. However, the existing discharge needle device has some defects. Firstly, in the existing discharge needle device, most discharge needles in the discharge needle device are of an integrated structure, and if one discharge needle is completely damaged, the whole discharge device has to be replaced, so that the later replacement cost is greatly increased; secondly, although the existing discharge needle device is made of metal material, when the discharge needle is impacted by a large external force, the discharge needle is easy to deform under the impact of the external force and further damaged; thirdly, the existing discharge needle device has a low discharge rate, that is, the discharge needle device releases positive and negative ions at a low rate, which results in a low electrostatic elimination capability of the ion blower.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the weak point among the prior art, providing a discharge needle is detachable design, and later stage convenience of customers changes or maintains, can prevent the discharge needle to suffer deformation damage and the higher discharge needle device of discharge rate when great external force.

The purpose of the utility model is realized through the following technical scheme:

a discharge needle device comprising:

the frame body kit comprises a discharge needle frame and a plurality of insulating sleeve bodies, wherein accommodating holes are formed in the discharge needle frame, through holes are formed in the bottoms of the accommodating holes, the insulating sleeve bodies are arranged on the discharge needle frame, the insulating sleeve bodies are circumferentially distributed around the circle center of the accommodating holes, and spacing holes are formed in the insulating sleeve bodies;

the PCB board kit comprises a PCB board, a locking piece and a locking nut, wherein the PCB board is arranged in the accommodating hole, a through hole is formed in the PCB board, the end part of the locking piece sequentially penetrates through the through hole and the through hole, and the end part of the locking piece is in threaded connection with the locking nut; and

the discharge needle assembly comprises a plurality of discharge needle assemblies, wherein each discharge needle assembly comprises a current needle seat, a reset elastic piece, a clamping piece and a discharge needle, the current needle seats are welded on the PCB, mounting holes are formed in the current needle seats, the reset elastic pieces are arranged in the mounting holes, the clamping pieces are connected with the end portions of the reset elastic pieces, and the reset elastic pieces are used for enabling the discharge needles to be supported on the inner walls of the mounting holes when the discharge needles are inserted into the mounting holes.

In one embodiment, the PCB board is provided with a plurality of avoiding grooves, each avoiding groove is provided with a guiding groove, each guiding groove extends into each avoiding hole in a one-to-one correspondence manner, and each current pin seat is welded in each avoiding groove in a one-to-one correspondence manner.

In one embodiment, the discharge needle comprises a needle rod and a tip needle head, the needle rod is connected with the tip needle head, and the reset elastic element is used for enabling the clamping piece to abut against the needle rod to the inner wall of the mounting hole when the needle rod is inserted into the mounting hole.

In one embodiment, the needle shaft and the sharp needle are of one-piece construction.

In one embodiment, the discharge needle kit comprises 6 to 8 discharge needle assemblies.

In one embodiment, the locking member is provided with a blind hole.

In one embodiment, the blind hole has a cross-section.

In one embodiment, the blind hole has a cross-section in the shape of a straight line.

In one embodiment, the side wall of the discharge needle frame is provided with a plurality of arc-shaped grooves.

In one embodiment, the side wall of the discharge needle frame is provided with 6 to 8 arc-shaped grooves.

The utility model discloses compare in prior art's advantage and beneficial effect as follows:

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is an assembly view of a discharge needle device according to an embodiment of the present invention;

fig. 2 is an exploded view of a discharge needle device according to an embodiment of the present invention;

fig. 3 is a schematic view of the use states of the elastic restoring member, the holding piece and the discharge needle according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a PCB board according to an embodiment of the present invention.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, 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 invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. 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, a discharge needle device 10 includes a frame assembly 100, a PCB board assembly 200, and a discharge needle assembly 300.

Thus, it should be noted that the frame kit 100 plays a role in carrying and protecting; the PCB board assembly 200 is used for outputting a voltage to the discharge needle assembly 300 to allow the discharge needle assembly 300 to perform a discharge operation; the discharge needle kit 300 is used to generate positive and negative ions for static elimination.

Referring to fig. 2, the frame assembly 100 includes a discharge needle frame 110 and a plurality of insulation sleeves 120, wherein an accommodating hole 111 is formed in the discharge needle frame 110, a through hole is formed at the bottom of the accommodating hole 111, each insulation sleeve 120 is disposed on the discharge needle frame 110, each insulation sleeve 120 is circumferentially distributed around the center of the accommodating hole 111, and an avoiding hole is formed in each insulation sleeve 120.

Therefore, it should be noted that the arrangement of the insulating sleeve bodies 120 can protect the discharge needle suite 300, so as to effectively prevent the discharge needle suite 300 from being deformed and damaged when being subjected to a large external force, and meanwhile, the insulating sleeve bodies 120 can also insulate and isolate to prevent a hand from directly touching the discharge needle to get an electric shock.

Referring to fig. 2 and 4, the PCB assembly 200 includes a PCB 210, a locking member 220 and a locking nut 230, the PCB 210 is disposed in the accommodating hole 111, a through hole is formed on the PCB 210, the end of the locking member 220 sequentially penetrates through the through hole and the through hole, and the end of the locking member 220 is screwed with the locking nut 230.

Thus, it should be noted that the PCB assembly 200 is used for outputting a voltage to the discharge needle assembly 300 to allow the discharge needle assembly 300 to perform a discharge operation; the locking member 220 and the locking nut 230 are arranged, so that a user can quickly install the PCB 210, and the installation efficiency is greatly improved.

Referring to fig. 2 and 3, the discharge needle assembly 300 includes a plurality of discharge needle assemblies 310, in one discharge needle assembly 310, the discharge needle assembly 310 includes a current needle holder 311, a reset elastic member 312, a holding piece 313 and a discharge needle 314, the current needle holder 310 is welded on the PCB 210, a mounting hole 311a is formed in the current needle holder 311, the reset elastic member is disposed in the mounting hole 311a, the holding piece is connected with an end of the reset elastic member, and the reset elastic member is used when the discharge needle 314 is inserted into the mounting hole 311a, so that the holding piece holds the discharge needle against an inner wall of the mounting hole 311 a.

Therefore, it should be noted that the arrangement of the reset elastic member and the clamping piece enables the discharge needle 314 to be detachably designed, and when the discharge needle 314 needs to be replaced or maintained, the discharge needle 314 is directly pulled out for maintenance or replacement; because the insulation sleeve body 120 is circumferentially distributed around the center of the accommodating hole 111, each discharge needle 314 is circumferentially distributed around the center of the accommodating hole 111, and the arrangement of the discharge needles 314 can greatly improve the discharge rate of the discharge needle device 10, so that the discharge needles 314 can rapidly release positive and negative ions to complete the static electricity elimination work.

Further, referring to fig. 4 again, in an embodiment, the PCB 210 is provided with a plurality of avoiding grooves 211, each avoiding groove 211 is provided with a guiding groove 211a, each guiding groove 211a extends into each avoiding hole in a one-to-one correspondence manner, and each current pin holder 311 is welded in each avoiding groove 211 in a one-to-one correspondence manner.

In this way, the provision of the space-avoiding groove 211 and the guide groove 211a makes the overall structure of the discharge needle device 10 more compact and improves the space utilization.

Further, referring to fig. 2 and 3 again, in one embodiment, the discharge needle 312 includes a needle shaft 3121 and a pointed needle 3122, the needle shaft 3121 is connected to the pointed needle 3122, and a return elastic member is used for urging the holding pieces against the needle shaft 3121 to an inner wall of the mounting hole when the needle shaft 3121 is inserted into the mounting hole.

In this way, it should be noted that when the discharge needle 312 is activated, the needle stem 3121 transmits voltage to the tip needle 3122, and the tip needle 3122 releases positive and negative ions under high voltage condition, so as to perform the static electricity elimination operation. Specifically, needle shaft 3121 and sharp needle 3122 are of unitary construction. In this way, it should be noted that,

further, in one embodiment, the discharge needle kit 300 includes 6 to 8 discharge needle assemblies 310.

In this manner, the discharge needle kit 300 includes 6 to 8 discharge needle assemblies 310, and the discharge needle assemblies 310 are set to 6 to 8 in number, so that the positive and negative ion release rate of the discharge needle device 10 can be maximized.

Further, in one embodiment, the locking member 220 has a blind hole.

Therefore, the blind holes are formed in the locking member 220, so that the PCB 210 can be conveniently detached by a user in the later period, and particularly, the blind holes have cross-shaped cross sections. Thus, it should be noted that the blind hole has a cross-shaped cross section. Of course, the specific structure of the blind hole can be set in combination with the actual situation, for example, the blind hole has a cross section shaped like a Chinese character 'yi'.

Further, referring to fig. 2 again, in one embodiment, the side wall of the discharge needle frame 110 is formed with a plurality of arc-shaped slots 112.

Therefore, it should be noted that the arc-shaped slot 112 is provided to facilitate the user to grasp the needle holder 110. Specifically, the side wall of the discharge needle holder 110 is provided with 6 to 8 arc-shaped slots 112.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is more 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

1. A discharge needle device characterized by comprising:

2. The discharge needle device according to claim 1, wherein the PCB board is provided with a plurality of avoiding grooves, each of the avoiding grooves is provided with a guiding groove, each of the guiding grooves extends into each of the avoiding holes in a one-to-one correspondence, and each of the current needle holders is welded in each of the avoiding grooves in a one-to-one correspondence.

3. The discharge needle device according to claim 1, wherein said discharge needle comprises a needle shaft and a tip needle, said needle shaft being connected to said tip needle, said return elastic member being adapted to urge said holding piece against said needle shaft to an inner wall of said mounting hole when said needle shaft is inserted into said mounting hole.

4. The discharge needle device according to claim 3, wherein the needle shaft and the pointed needle are of an integrally formed structure.

5. The discharge needle device according to claim 1, wherein the discharge needle kit comprises 6 to 8 discharge needle assemblies.

6. The discharge needle device according to claim 1, wherein the locking member is provided with a blind hole.

7. The discharge needle device according to claim 6, wherein the blind hole has a cross-shaped cross section.

8. The discharge needle device according to claim 6, wherein the blind hole has a line-shaped cross section.

9. The discharge needle device of claim 1, wherein the side wall of the discharge needle holder is formed with a plurality of arc-shaped grooves.

10. The discharge needle device according to claim 9, wherein 6 to 8 arc-shaped grooves are formed in the side wall of the discharge needle holder.