CN207602843U - Spring probe - Google Patents
Spring probe Download PDFInfo
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- CN207602843U CN207602843U CN201721571168.3U CN201721571168U CN207602843U CN 207602843 U CN207602843 U CN 207602843U CN 201721571168 U CN201721571168 U CN 201721571168U CN 207602843 U CN207602843 U CN 207602843U
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- spring
- main body
- hat
- needle
- card
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Abstract
The utility model discloses a kind of spring probes, and including needle shaft, needle tubing, spring, spring is located in needle tubing, and needle shaft is inserted in needle tubing, and being capable of compressed spring；Further include the hat spring being fixed in needle tubing, it is preced with spring and includes hat spring main body and card, card is axially extending along hat spring main body, card is along the circumferentially distributed multiple of hat spring main body, along the direction of insertion of needle shaft, multiple cards gradually to hat spring main body axis at draw close, needle shaft can with multiple card elasticity squeeze contact, formed the first contact site；It is preced with the outer wall of spring main body and can be squeezed with the inner wall elasticity of needle tubing and be contacted, form the second contact site, the electric signal for coming from needle shaft passes sequentially through the first contact site and the second contact site is transferred to needle tubing.Hat spring in the utility model can realize the steady contact of needle shaft and needle tubing, in addition, the setting of hat spring also can ensure that needle shaft is contacted with the uniform of needle tubing, so as to just improve the uniformity of electric current transmission.
Description
Technical field
The utility model is related to electronic component field, more specifically to a kind of spring probe.
Background technology
Spring probe is a kind of precision connector applied in the electronic products such as mobile phone, and spring probe generally includes needle
Axis, needle tubing and spring.Spring is arranged in needle tubing, and needle shaft is plugged in needle tubing.When needle shaft is squeezed by component, compression
Spring, axial movement, the outer surface of needle shaft are contacted with the inner surface of needle tubing, and electric signal is transferred to needle tubing from needle shaft.Existing bullet
In spring probe, contact of the needle shaft with needle tubing is unreliable, easily generates electrical arcing, influences the stability of electric signal transmission.
Therefore, how to design a kind of spring probe, the needle shaft in the spring probe and needle tubing can reliable contacts, avoid out
Existing electrical arcing, it is ensured that electric signal stablizes transmission, is those skilled in the art's critical problem urgently to be resolved hurrily.
Utility model content
The purpose of this utility model is to provide a kind of spring probe, and the needle shaft in the spring probe can be abutted against with needle tubing
It touches, avoids the occurrence of electrical arcing, it is ensured that electric signal stablizes transmission.
In order to achieve the above objectives, the utility model provides following technical scheme：
A kind of spring probe, including needle shaft, needle tubing, spring, the spring is located in the needle tubing, and the needle shaft is inserted in
In the needle tubing, and the spring can be compressed；
Further include the hat spring being fixed in the needle tubing, the hat spring includes hat spring main body and card, the card along
The hat spring main body it is axially extending, the card is along the circumferentially distributed multiple of the hat spring main body, along the needle shaft
Direction of insertion, multiple cards gradually to it is described hat spring main body axis at draw close, the needle shaft can with it is multiple described
Card elasticity squeezes contact, forms the first contact site；
The outer wall of the hat spring main body can be squeezed with the inner wall elasticity of the needle tubing to be contacted, and is formed the second contact site, is come
First contact site is passed sequentially through from the electric signal in the needle shaft and second contact site is transferred to the needle tubing.
Preferably, the material of the hat spring is beryllium copper；The material of the hat spring is phosphor-copper.
Preferably, other end extension of the card from one end of the hat spring main body to the hat spring main body, the bullet
It is stretched at the top of spring in the hat spring main body, the bottom of the needle shaft can squeeze the top of the spring.
Preferably, the storage tank for housing the hat spring is provided on the inner wall of the needle tubing.
Preferably, the O-ring being set on the needle shaft is further included, the O-ring is pressed on the needle shaft and the needle
Between pipe.
Preferably, the flange with the needle tubing clearance fit is provided on the needle shaft, the flange prevents the O-ring
It is moved to the bottom of the needle shaft.
Preferably, the card is described from the bottom end of the hat spring main body to the direction extension far from the hat spring main body
Needle shaft runs through the spring, and the spring is pressed between the flange and the hat spring main body.
Preferably, the card is described from the top of the hat spring main body to the direction extension far from the hat spring main body
Needle shaft runs through the spring, and the spring is pressed between the flange and the card.
Preferably, annular card convex is circumferentially provided with along the hat spring main body, is provided on the inner wall of the needle tubing
The card slot being adapted to the card convex.
Preferably, the surface of the spring is provided with insulating layer.
It can be seen from the above technical proposal that the spring probe in the utility model includes needle shaft, needle tubing, spring, also wrap
Include hat spring.Needle shaft is contacted with being preced with multiple card elasticity extruding of spring, forms the first stable contact site.Be preced with spring main body outer wall with
The inner wall elasticity of needle tubing squeezes contact, forms the second stable contact site.The electric signal for coming from needle shaft passes sequentially through first and connects
Contact portion and the second contact site are transferred to needle tubing.Hat spring in the utility model can realize the steady contact of needle shaft and needle tubing, separately
Outside, the setting for being preced with spring also can ensure that needle shaft is contacted with the uniform of needle tubing, so as to just improve the uniformity of electric current transmission.
Description of the drawings
In order to illustrate more clearly of the scheme in the utility model embodiment, will make below to required described in embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the utility model,
For those skilled in the art, without creative efforts, other be can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is the explosive view of spring probe that one specific embodiment of the utility model provides；
Fig. 2 is the sectional view of spring probe that one specific embodiment of the utility model provides；
Fig. 3 is the sectional view of another spring probe that one specific embodiment of the utility model provides.
Wherein, 1 it is needle shaft, 2 be needle tubing, 3 be spring, 4 be hat spring, 41 be card, 42 be hat spring main body, 5 is flange, 6
For O-ring.
Specific embodiment
The utility model discloses a kind of spring probe, needle shaft in the spring probe and needle tubing can reliable contacts, keep away
Exempt from electrical arcing occur, it is ensured that electric signal stablizes transmission.
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that described embodiment is only the part of the embodiment rather than whole of the utility model
Embodiment.Embodiment based on the utility model, those of ordinary skill in the art are in the premise for not making creative work
Lower obtained all other embodiment, shall fall within the protection scope of the present invention.
In order to make it easy to understand, regulation herein using close to the direction of needle shaft 1 to be upper, under the direction of close needle tubing 2 is.It please join
Examine attached drawing 1- Fig. 3.In one specific embodiment of the utility model, 3 probe of spring includes：Needle shaft 1, needle tubing 2, spring 3, hat spring 4.
Wherein, needle shaft 1 is plugged in needle tubing 2.Spring 3 is located in needle tubing 2, and spring 3 is squeezed when needle shaft 1 is pressurized and makees axial shifting
It is dynamic.It is preced with spring 4 and includes hat spring main body 42 and card 41.Card 41 is axially extending along hat spring main body 42, and card 41 is multiple to be multiple
Card 41 is circumferentially distributed along hat spring main body 42.Along the direction of insertion of needle shaft 1, multiple cards 41 are gradually to hat spring main body 42
It is drawn close at axis, i.e. stretching into needle shaft 1, needle shaft 1 is squeezed with multiple 41 elasticity of card and is contacted, and forms the first contact site, and
And constantly stretching into needle shaft 1, the resilient pressing force between card 41 and needle shaft 1 can be bigger.First contact site is elasticity
It is extruded from, therefore reliability is higher.The outer wall of hat spring main body 42 is contacted with the extruding of the inner wall elasticity of needle tubing 2, is formed second and is connect
Contact portion.Second contact site is extruded from, therefore reliability is higher for elasticity, also, stretching into needle shaft 1, is preced with spring main body
Extruding force between 42 and needle tubing 2 is bigger.The electric signal for coming from needle shaft 1 passes sequentially through the first contact site and the second contact site biography
It is handed to needle tubing 2.Hat spring 4 in the present embodiment can realize the steady contact of needle shaft 1 and needle tubing 2, in addition, the setting of hat spring 4 is also
It can be ensured that needle shaft is contacted with the uniform of needle tubing, so as to just improve the uniformity of electric current transmission.
In one specific embodiment of the utility model, the material of hat spring 4 is phosphor-copper or beryllium copper.The elasticity of phosphor-copper and beryllium copper
Height conducts electricity very well.
In one specific embodiment of the utility model, spring 3, needle shaft 1, be preced with spring 4 position relationship be：Card 41 from hat spring
The bottom end of main body 42 extends to top.The top of card 41 is free end, and bottom end is connected to the bottom end of hat spring 4, and from freedom
It holds to bottom end card 41 gradually to drawing close at axis, the top of spring 3 is extended into hat spring 4, and the bottom of needle shaft 1 can squeeze bullet
The inner space that can save needle tubing 2 is arranged such in the top of spring 3.
Further, the fixed form of hat spring 4 is：Storage tank is opened up on the inner wall of needle tubing 2, which is used to house
Spring 4 is preced with, so as to fulfill the fixation to being preced with spring 4.The shape of storage tank is identical with the outer contoured shape for being preced with spring 4.
O-ring 6 is additionally arranged in one specific embodiment of the utility model, O-ring 6 is set on needle shaft 1, and is pressed on needle
Between axis 1 and needle tubing 2.O-ring seal is in close contact with needle tubing 2, and during needle shaft 1 moves axially, O-ring seal is to needle
Axis 1 has guiding, centralizing function, prevents needle shaft 1 from glancing off, thereby further ensures that the steady contact of needle shaft 1 and needle tubing 2,
Prevent the generation of electrical arcing.
In one specific embodiment of the utility model, flange 5 is provided on needle shaft 1, which matches with 2 gap of needle tubing
It closes.O-ring 6 is arranged on the top of flange 5, and flange 5 is used to that O-ring 6 to be prevented to move to the bottom of needle shaft 1.
In one specific embodiment of the utility model, needle shaft 1, hat spring 4, spring 3 position relationship be：Hat spring 4 is located at bullet
The bottom of spring 3, card 41 is from the bottom end of hat spring main body 42 to the direction extension far from hat spring main body 42.Needle shaft 1 runs through spring 3,
Spring 3 is pressed between flange 5 and hat spring main body 42, i.e., one end of spring 3 is contacted with the lower end surface elastic extruding of flange 5, separately
One end is contacted with being preced with the upper end surface elastic extruding of spring main body 42.
Needle shaft 1, hat spring 4, spring 3 position relationship can also be：Hat spring 4 is located at the bottom of spring 3, and card 41 is from being preced with spring
The top of main body 42 extends to the direction far from hat spring main body 42.Needle shaft 1 runs through spring 3, and spring 3 is pressed on flange 5 and card
Between 41, i.e., one end of spring 3 is contacted with the lower end surface elastic extruding of flange 5, and the upper end surface elastic of the other end and card 41 squeezes
Press contacts.
Further, it is preced with spring 4 and the fixed form of needle tubing 2 is：Annular card convex is provided in the circumferential direction of hat spring main body 42,
Card slot is set on the inner wall of needle tubing 2, and card convex holding is in card slot, so as to fulfill the fixation to being preced with spring 4.
Scarcity occurs and burns in order to avoid walking electric current inside spring 3 during electric signal transmission, in this practicality
Insulation processing is made to spring 3 in a novel specific embodiment, the surface of spring 3 is made to form insulating layer.
The above description of the disclosed embodiments enables professional and technical personnel in the field to realize or new using this practicality
Type.A variety of modifications of these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide range consistent with features of novelty.
Claims (10)
1. a kind of spring probe, including needle shaft (1), needle tubing (2), spring (3), the spring (3) is interior positioned at the needle tubing (2),
The needle shaft (1) is inserted in the needle tubing (2), and can compress the spring (3)；
It is characterized in that, further including the hat spring (4) being fixed in the needle tubing (2), the hat spring (4) includes hat spring main body (42)
With card (41), the card (41) is axially extending along the hat spring main body (42), and the card (41) is along the hat
Spring main body (42) it is circumferentially distributed multiple, along the direction of insertion of the needle shaft (1), multiple cards (41) are gradually to institute
It states and is drawn close at the axis of hat spring main body (42), the needle shaft (1) can squeeze with multiple card (41) elasticity and contact, and be formed
First contact site；
The outer wall of the hat spring main body (42) can be squeezed with the inner wall elasticity of the needle tubing (2) and be contacted, and form the second contact site,
The electric signal for coming from the needle shaft (1) passes sequentially through first contact site and second contact site is transferred to the needle tubing
(2)。
2. spring probe according to claim 1, which is characterized in that the material of the hat spring (4) is beryllium copper or phosphor-copper.
3. spring probe according to claim 1, which is characterized in that the card (41) is from the hat spring main body (42)
The other end of one end to the hat spring main body (42) extends, and is stretched at the top of the spring (3) in the hat spring main body (42), institute
The top of the spring (3) can be squeezed by stating the bottom of needle shaft (1).
4. spring probe according to claim 3, which is characterized in that be provided with to hold on the inner wall of the needle tubing (2)
Put the storage tank of the hat spring (4).
5. spring probe according to claim 1, which is characterized in that further include the O-ring being set on the needle shaft (1)
(6), the O-ring (6) is pressed between the needle shaft (1) and the needle tubing (2).
6. spring probe according to claim 5, which is characterized in that be provided on the needle shaft (1) and the needle tubing (2)
The flange (5) of clearance fit, the flange (5) prevent the O-ring (6) from being moved to the bottom of the needle shaft (1).
7. spring probe according to claim 6, which is characterized in that the card (41) is from the hat spring main body (42)
Bottom end extends to the direction far from the hat spring main body (42), the needle shaft (1) through the spring (3), the spring (3) by
It is pressed between the flange (5) and the hat spring main body (42).
8. spring probe according to claim 6, which is characterized in that the card (41) is from the hat spring main body (42)
Top extends to the direction far from the hat spring main body (42), the needle shaft (1) through the spring (3), the spring (3) by
It is pressed between the flange (5) and the card (41).
9. spring probe according to claim 7 or 8, which is characterized in that set along the circumferential direction of the hat spring main body (42)
The card convex of annular is equipped with, the card slot being adapted to the card convex is provided on the inner wall of the needle tubing (2).
10. spring probe according to any one of claims 1 to 8, which is characterized in that the surface setting of the spring (3)
There is insulating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721571168.3U CN207602843U (en) | 2017-11-21 | 2017-11-21 | Spring probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721571168.3U CN207602843U (en) | 2017-11-21 | 2017-11-21 | Spring probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207602843U true CN207602843U (en) | 2018-07-10 |
Family
ID=62760294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721571168.3U Active CN207602843U (en) | 2017-11-21 | 2017-11-21 | Spring probe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207602843U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107946813A (en) * | 2017-11-21 | 2018-04-20 | 东莞市星全工业有限公司 | Spring probe |
-
2017
- 2017-11-21 CN CN201721571168.3U patent/CN207602843U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107946813A (en) * | 2017-11-21 | 2018-04-20 | 东莞市星全工业有限公司 | Spring probe |
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| GR01 | Patent grant |