CN217387626U

CN217387626U - Double-layer charging spring needle of needle tube

Info

Publication number: CN217387626U
Application number: CN202220201177.8U
Authority: CN
Inventors: 刘勇成
Original assignee: Dongguan Ruicheng Precision Technology Co ltd
Current assignee: Dongguan Ruicheng Precision Technology Co ltd
Priority date: 2022-01-25
Filing date: 2022-01-25
Publication date: 2022-09-06
Anticipated expiration: 2032-01-25

Abstract

The utility model discloses a double-deck spring needle that charges of needle tubing, including needle tubing main part (6), have one in 1 pipe main part (6) of needle and hold chamber (7) that hold the syringe needle usefulness, hold an installation needle cover (3) in chamber (7), syringe needle (1) is packed into from needle cover (3) from outside one side, and needle cover (3) adopt different materials and constitute double-layer equation needle tubing structure with needle tubing main part (6). The utility model discloses the needle tubing structure adopts double-deck formula, bimaterial structure, and the needle tubing internal material is the copper product, then has the ultra-thin stainless steel material of one deck in the outside cover of copper product. The problem that charging current is weak and small due to large resistance caused by direct conduction of the stainless steel material can be effectively solved, and the requirements of salt mist and electrolysis prevention of the exposed needle tube part can be met.

Description

Double-layer charging spring needle of needle tube

Technical Field

The utility model relates to a conductive spring needle, concretely relates to double-deck charging spring needle of needle tubing.

Background

At present, the needle tube of the spring needle is made of a single stainless steel material, which can meet the requirement of electrolysis resistance, but the stainless steel material has the electrical conduction characteristic of high resistance, so that the passing current is weak and the charging speed is slow in the current conduction process, and the purpose of effective and quick charging cannot be achieved.

The direct conduction of a single stainless steel material can cause the charging current to be too small due to the large impedance of the stainless steel material, so that the charging speed is slow and the full-charging effect cannot be achieved.

Disclosure of Invention

The utility model aims to solve the technical problem that a double-deck spring needle that charges of needle tubing adopts double-deck formula, bimaterial structure with the needle tubing structure, and the needle tubing internal material is the copper product, then has the ultra-thin stainless steel material of one deck at the outside cover of copper product, and this design can effectively solve the current undersize problem that leads to because of the direct conduction of single stainless steel material to outside stainless steel cover material can play good salt fog and prevent the electrolytic performance.

The utility model discloses a realize through following technical scheme: the utility model provides a double-deck spring needle that charges of needle tubing, includes the needle tubing main part, has a chamber that holds the syringe needle usefulness in the needle tubing main part, holds intracavity installation needle cover, and the syringe needle is packed into from needle cover from outside one side, and needle cover and needle tubing main part adopt different materials and constitute double-deck formula needle tubing.

As the preferred technical scheme, the needle sleeve adopts a cylindrical hollow structure, both sides of the needle sleeve are provided with openings, and the needle sleeve and the needle tube main body are in interference fit.

As the preferred technical scheme, the outside of the needle sleeve is provided with a convex ring, and the needle sleeve is tightly matched with the needle tube body in an interference manner through the convex ring.

As the preferred technical scheme, one side of the needle head, which is opposite to the needle tube body, is provided with an inclined contact surface, a spring is arranged in the needle sleeve, one end of the spring is in contact support with the inclined contact surface, the other end of the spring is in contact support with the needle tube body, and the needle head is ejected to the outside through the spring.

As the preferred technical scheme, the needle tube main body is made of stainless steel, and the needle sleeve is made of copper.

Preferably, a guide part is formed at one end of the needle, and the needle is arranged in the needle sleeve through the guide part.

The beneficial effects of the utility model are that: the utility model discloses a needle tubing structure adopts double-deck formula, bimaterial structure, and the needle tubing internal material is the copper product, then has the ultra-thin stainless steel material of one deck at the outside cover of copper product. The problem that charging current is weak and small due to large resistance caused by direct conduction of the stainless steel material can be effectively solved, and the requirements of salt mist and electrolysis prevention of the exposed needle tube part can be met.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is an exploded view of the present invention;

fig. 2 is an assembly diagram of the present invention.

Detailed Description

All of the features disclosed in this specification, or all of the steps of any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

In the description of the present invention, it is to be understood that the terms "one end", "the other end", "the outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

The use of terms herein such as "upper," "above," "lower," "below," and the like in describing relative spatial positions is for the purpose of facilitating description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly

In the present invention, unless otherwise explicitly specified or limited, the terms "set", "coupled", "connected", "penetrating", "plugging", and the like are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. 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 shown in fig. 1 and fig. 2, the utility model discloses a double-deck charging spring needle of needle tubing, including needle tubing main part 6, have one in 1 of needle tubing main part 6 and hold chamber 7 that holds that the syringe needle was used, hold an installation needle cover 3 in the chamber 7, needle 1 is packed into from needle cover 3 from outside one side, needle cover 3 adopts different materials and constitutes the double-layer equation needle tubing structure with needle tubing main part 6.

Wherein, needle cover 3 adopts cylindricality hollow structure, and its both sides all open, interference fit between needle cover 3 and the needle tubing main part 6, and this kind of mounting means can make the cooperation intensity between needle cover and the needle tubing better, uses more stable.

In this embodiment, the outside of needle cover 3 is provided with bulge loop 4, and needle cover 3 passes through

bulge loop

4 and 6 interference tight fittings of needle tubing main part, and the quantity embodiment of bulge loop is 2, can be for more, can accomplish the tight fitting connection can.

Furthermore, one side of the needle head 1, which is opposite to the needle tube body 6, is provided with an inclined contact surface, a spring 5 is arranged in the needle sleeve, one end of the spring 5 is in contact support with the inclined contact surface, the other end of the spring 5 is in contact support with the needle tube body 6, and the needle head 1 is ejected out to the outside through the spring 5.

In the embodiment, the needle tube body 6 is made of stainless steel, the needle sleeve 3 is made of copper, and the design can effectively solve the problem of too small current caused by direct conduction of single stainless steel material, so that the external stainless steel sleeve material can play a good role in salt spray and electrolysis resistance.

One end of the needle 1 forms a guide part, the needle 1 is arranged in the needle sleeve 3 through the guide part, and better guide is completed through the guide part.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims

1. The utility model provides a double-deck spring needle that charges of needle tubing which characterized in that: including needle tubing main part (6), 1 has one in the needle tubing main part (6) and holds chamber (7) that the syringe needle was used, holds and installs a needle cover (3) in chamber (7), and syringe needle (1) is packed into from needle cover (3) from outside one side, and needle cover (3) and needle tubing main part (6) adopt different materials and constitute double-layer equation needle tubing structure.

2. The needle tube double-layer charging pogo pin of claim 1, wherein: the needle sleeve (3) is of a cylindrical hollow structure, openings are formed in two sides of the needle sleeve, and the needle sleeve (3) and the needle tube main body (6) are in interference fit.

3. The needle tube double-layer charging pogo pin of claim 2, wherein: the outer part of the needle sleeve (3) is provided with a convex ring (4), and the needle sleeve (3) is tightly matched with the needle tube main body (6) in an interference manner through the convex ring (4).

4. The needle tube double-layer charging pogo pin of claim 1, wherein: one side of the needle head (1) opposite to the needle tube body (6) is provided with an inclined contact surface, a spring (5) is arranged in the needle sleeve, one end of the spring (5) is in contact support with the inclined contact surface, the other end of the spring (5) is in contact support with the needle tube body (6), and the needle head (1) is ejected to the outside through the spring (5).

5. The needle tube double-layer charging spring needle as claimed in claim 1, wherein: the needle tube main body (6) is made of stainless steel, and the needle sleeve (3) is made of copper.

6. The needle tube double-layer charging spring needle as claimed in claim 1, wherein: one end of the needle head (1) forms a guide part, and the needle head (1) is arranged in the needle sleeve (3) through the guide part.