CN206180185U - Spring type connector - Google Patents

Abstract

The utility model discloses a spring type connector, including needle shaft, needle tubing and spring, needle shaft has seted up first blind hole, and the second blind hole has been seted up to the needle tubing, and during one end that needle shaft seted up first blind hole was inserted and is located the second blind hole, needle shaft can be along the endwise slip of second blind hole, during the space that first blind hole and second blind hole formed is located to the spring, and the one end of spring and the end face contaction of first blind hole, the other end of spring and the end face contaction of second blind hole, and the terminal surface of first blind hole has inclination for the axial of second blind hole. Among this kind of spring type connector, first blind hole set up the space that can increase the spring and place, reduce needle shaft's beat angle, reduce needle shaft when the action with the interference of spring to reduce the noise in the use, the holistic length of spring type connector can shorten, is favorable to material saving, can ensure needle shaft and needle tubing dead contact, make needle shaft good with the intercommunication of needle tubing.

Description

Spring-type connector

Technical field

The utility model is related to technical field of electronic products, more particularly to a kind of spring-type connector.

Background technology

Spring-type connector is a kind of to be applied to electric current, the device of signal connection, when in use, the outer end of needle shaft and pin The outer end of pipe is connected respectively with two conductor intermediate plates, and by the compression of spring the connection of needle shaft and needle tubing is ensured.

However, the space for being presently used for placing spring is the blind hole being arranged on needle tubing, the placement space of spring is less, Deflection angle is larger in compression process, is also easy to produce on noise, and needle shaft the plane contacted with spring generally vertical in needle tubing axle To plane, it is impossible to ensure the good contact of needle shaft and needle tubing.

Therefore, the noise produced when how to reduce spring-compressed, while the stability contacted between needle shaft and needle tubing is improved, It is the current technical issues that need to address of those skilled in the art.

Utility model content

In view of this, the purpose of this utility model is to provide a kind of spring-type connector, produces when can reduce spring-compressed Raw noise, while improving the stability contacted between needle shaft and needle tubing.

For achieving the above object, the utility model provides following technical scheme：

A kind of spring-type connector, including needle shaft, needle tubing and spring, the needle shaft offers the first blind hole, the needle tubing The second blind hole is offered, the needle shaft opens up one end of first blind hole and is inserted in second blind hole, the needle shaft energy Enough sliding axially along second blind hole, the space that the spring is formed located at first blind hole with second blind hole In, the end contact of one end of the spring and first blind hole, the end of the other end of the spring and second blind hole Face contacts, and the end face of first blind hole has angle of inclination relative to the axial direction of second blind hole.

Preferably, the end face of first blind hole is tapered end face, and the top of the tapered end face is away from the spring.

Preferably, the top of the tapered end face is located at the side of the central shaft of second blind hole.

Preferably, the end face of first blind hole is plane.

Preferably, the plane is more than 45 ° relative to the axial angle of second blind hole.

Preferably, the side wall of first blind hole includes step surface, and the step surface is towards second blind hole, described The minor diameter part gap cooperation with first blind hole of spring.

Preferably, the step surface relative to second blind hole inclined arrange, and the step surface along The end face for being axially facing first blind hole is tapered.

Preferably, the end face of second blind hole is taper surface.

Preferably, the needle shaft is provided with one end of first blind hole and the second blind hole gap coordinates.

In the spring-type connector that the utility model is provided, due to offering the first blind hole in needle shaft, spring can be increased The space of placement, reduces the deflection angle of needle shaft, reduce needle shaft in action with the interference of spring, so as to reduce use during Noise；Meanwhile, the overall length of spring-type connector can shorten, and be conducive to saving material；Further, since the end of the first blind hole Face has angle of inclination relative to the axial direction of the second blind hole, it can be ensured that needle shaft is completely attached to needle tubing, makes needle shaft with needle tubing Connection is good, reduces hit risk, improves the transmission performance of spring-type connector and the stability of impedance.

Description of the drawings

In order to be illustrated more clearly that the utility model embodiment or technical scheme of the prior art, below will be to embodiment Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only It is embodiment of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also Other accompanying drawings can be obtained according to the accompanying drawing for providing.

Fig. 1 is provided the sectional view of the specific embodiment one of spring-type connector by the utility model；

Fig. 2 is provided the sectional view of needle shaft in the specific embodiment one of spring-type connector by the utility model；

Fig. 3 is provided the sectional view of needle tubing in the specific embodiment one of spring-type connector by the utility model；

Fig. 4 is provided the sectional view of the specific embodiment two of spring-type connector by the utility model；

Fig. 5 is provided the sectional view of needle shaft in the specific embodiment two of spring-type connector by the utility model；

Fig. 6 is provided the sectional view of the specific embodiment three of spring-type connector by the utility model；

Fig. 7 is provided the sectional view of needle shaft in the specific embodiment three of spring-type connector by the utility model.

In Fig. 1 to Fig. 7,1 is needle shaft, and 11 is the first blind hole, and 2 is needle tubing, and 21 is the second blind hole, and 3 is spring.

Specific embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment for being obtained, belongs to the scope of the utility model protection.

Core of the present utility model is to provide a kind of spring-type connector, can reduce the noise produced during spring-compressed, The stability contacted between needle shaft and needle tubing is improved simultaneously.

The utility model is provided in a kind of specific embodiment of spring-type connector, including needle shaft 1, needle tubing 2 and spring 3.Needle shaft 1 offers the first blind hole 11, and needle tubing 2 offers the second blind hole 21, and needle shaft 1 opens up one end of the first blind hole 11 and is inserted in In second blind hole 21, needle shaft 1 can sliding axially along needle tubing 2, spring 3 formed located at the first blind hole 11 with the second blind hole 21 Space in, the end contact of one end of spring 3 and the first blind hole 11, the other end of spring 3 connects with the end face of the second blind hole 21 Touch, and the end face of the first blind hole 11 relative to the axial direction of the second blind hole 21 have angle of inclination, the i.e. end face of the first blind hole 11 with The non-parallel setting in axial direction of the second blind hole 21.Wherein, the first blind hole 11 can be according to need with the length ratio in the axial direction of needle shaft 1 It is configured.

It should be noted that if no special instructions, in text it is axial, radially on the basis of the central shaft of the second blind hole 21.

In this kind of spring-type connector, due to offering the first blind hole 11 in needle shaft 1, the sky of the placement of spring 3 can be increased Between, can reduce the deflection angle of needle shaft 1, reduce needle shaft 1 in action with the interference of spring 3, so as to reduce use during Noise；Meanwhile, the overall length of spring-type connector can shorten, and be conducive to saving material；Further, since the first blind hole 11 End face has angle of inclination relative to the axial direction of the second blind hole 21, it can be ensured that needle shaft 1 is completely attached to needle tubing 2, make needle shaft 1 with The connection of needle tubing 2 is good, reduces hit risk, improves the transmission performance of spring-type connector and the stability of impedance.

Fig. 1 to Fig. 3 is refer to, Fig. 1 is provided the section view of the specific embodiment one of spring-type connector by the utility model Figure；Fig. 2 is provided the sectional view of needle shaft in the specific embodiment one of spring-type connector by the utility model；Fig. 3 is this practicality The sectional view of needle tubing in the specific embodiment one of new provided spring-type connector.

In a kind of specific embodiment, the end face of the first blind hole 11 is tapered end face, and the top of tapered end face is away from institute Spring 3 is stated, i.e., axially and towards the direction of spring 3, the radial dimension of the tapered end face is cumulative, the setting of the tapered end face Be conducive to moving radially for limited spring 3.Wherein, it can be a fixed point at the radial dimension minimum of tapered end face that top is Or a line.

Specifically, the top of the tapered end face can be arranged on the side of the central shaft of the second blind hole 21, i.e. the second blind hole The intersection point of the straight line that 21 central shaft is located and tapered end face not on the top of tapered end face, so as to advantageously ensure that needle shaft 1 With the good contact of needle tubing 2.

Refer to the section view that Fig. 4 and Fig. 5, Fig. 4 are provided the specific embodiment two of spring-type connector by the utility model Figure；Fig. 5 is provided the sectional view of needle shaft in the specific embodiment two of spring-type connector by the utility model.

In another kind of specific embodiment, the end face of the first blind hole 11 can be plane, be easy to processing.

Specifically, the plane can be configured as needed relative to the scope of the axial angle of needle tubing 2, for example, 45 ° can be more than, be conducive to reducing the beat of spring 3.By angle changing, different size of side force can be obtained, with To stable contact impedance.

In above-mentioned each embodiment, the side wall of the first blind hole 11 can include step surface, and step surface is towards the second blind hole 21, the minor diameter part gap of the blind hole 11 of spring 3 and first coordinates, and the radial dimension that can specifically make spring 3 is slightly less than the first blind hole The radial dimension of 11 minor diameter part, is conducive to the beat of further limited spring 3, improves stablizing for spring-type connector performance Property, while ensureing that spring 3 being capable of proper motion.

Refer to the section view that Fig. 6 and Fig. 7, Fig. 6 are provided the specific embodiment three of spring-type connector by the utility model Figure；Fig. 7 is provided the sectional view of needle shaft in the specific embodiment three of spring-type connector by the utility model.

In above-mentioned each embodiment, step surface can be arranged relative to the inclined of the second blind hole 21, and step surface End face axially towards the first blind hole 11 is tapered, is easy to processing and the placement of spring 3, is prevented from spring 3 by pressure Blocked by step surface after contracting and departed from the end face of the first blind hole 11.

In above-mentioned each embodiment, the end face of the second blind hole 21 can be taper surface, in order to spring 3 in the second blind hole Position in 21 carries out spacing, the further possibility for reducing producing noise.

In above-mentioned each embodiment, needle shaft 1 is provided with one end of the first blind hole 11 can be coordinated with the gap of the second blind hole 21, tool Body can make the radial dimension that needle shaft 1 is provided with the periphery wall of one end of the first blind hole 11 be slightly less than the radial ruler of the second blind hole 21 It is very little, thereby may be ensured that the smoothness and stability of the movement of needle shaft 1.

Each embodiment is described by the way of progressive in this specification, and what each embodiment was stressed is and other The difference of embodiment, between each embodiment identical similar portion mutually referring to.

Spring-type connector provided by the utility model is described in detail above.It is used herein specifically individual Example is set forth to principle of the present utility model and embodiment, and the explanation of above example is only intended to help and understands this reality With new method and its core concept.It should be pointed out that for those skilled in the art, without departing from this On the premise of utility model principle, some improvement and modification can also be carried out to the utility model, these are improved and modification also falls Enter in the utility model scope of the claims.

Claims (9)

1. a kind of spring-type connector, including needle shaft (1), needle tubing (2) and spring (3), it is characterised in that the needle shaft (1) is opened The first blind hole (11) is provided with, the needle tubing (2) offers the second blind hole (21), and the needle shaft (1) opens up first blind hole (11) one end is inserted in second blind hole (21), and the needle shaft (1) can be along the axial direction of second blind hole (21) Slide, in the space that the spring (3) is formed located at first blind hole (11) with second blind hole (21), the spring (3) end contact of one end and first blind hole (11), the other end of the spring (3) and second blind hole (21) End contact, and the end face of first blind hole (11) has angle of inclination relative to the axial direction of second blind hole (21).

2. spring-type connector according to claim 1, it is characterised in that the end face of first blind hole (11) is taper End face, and the top of the tapered end face is away from the spring (3).

3. spring-type connector according to claim 2, it is characterised in that the top of the tapered end face is located at described the The side of the central shaft of two blind holes (21).

4. spring-type connector according to claim 1, it is characterised in that the end face of first blind hole (11) is flat Face.

5. spring-type connector according to claim 4, it is characterised in that the plane is relative to second blind hole (21) axial angle is more than 45 °.

6. the spring-type connector according to claim 1 to 5 any one, it is characterised in that first blind hole (11) Side wall include step surface, and the step surface is towards second blind hole (21), the spring (3) and first blind hole (11) minor diameter part gap coordinates.

7. spring-type connector according to claim 6, it is characterised in that the step surface is relative to second blind hole (21) inclined is arranged, and end face of the step surface axially towards first blind hole (11) is tapered.

8. spring-type connector according to claim 6, it is characterised in that the end face of second blind hole (21) is taper Face.

9. spring-type connector according to claim 6, it is characterised in that the needle shaft (1) is provided with first blind hole (11) one end coordinates with the second blind hole (21) gap.