CN209592432U - Big tolerance radio frequency connector inner conductor - Google Patents
Big tolerance radio frequency connector inner conductor Download PDFInfo
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- CN209592432U CN209592432U CN201920229393.1U CN201920229393U CN209592432U CN 209592432 U CN209592432 U CN 209592432U CN 201920229393 U CN201920229393 U CN 201920229393U CN 209592432 U CN209592432 U CN 209592432U
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- China
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- inner hole
- main body
- conductive head
- wall surface
- positioning sleeve
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Abstract
The utility model discloses a kind of big tolerance radio frequency connector inner conductors, including main body, conductive head and spring, it further include the positioning sleeve being fixedly mounted in conductive head inner hole, positioning sleeve is cylindrical and is equipped with an inner hole in its back-end, evagination barb is equipped on the outer circle wall surface of positioning sleeve rear end, convex barb is equipped on the inner hole wall surface of body front end, evagination barb front end face offsets with convex barb rear end face, gap is equipped between evagination barb outer circle wall surface and main body inner hole wall surface, a circular ring shape protrusion is equipped on the inner hole wall surface of conductive head rear end, before circular ring shape protrusion, rear end face is chamfering or smooth arc surface, conductive head is sleeved in main body, and the outer circle wall surface of conductive head circular ring shape protrusion and body front end is slidably connected, spring is placed in the inner hole of main body and the inner hole of positioning sleeve, and the front/rear end of spring point Inner hole rear end not with positioning sleeve front end or conductive head front end, main body offsets.The utility model electric conductivity is excellent, and structure is simple.
Description
Technical field
The utility model relates to a kind of radio frequency connectors, more particularly to one kind for plate in communication apparatus to mutual between plate
Radio frequency connector inner conductor even, belongs to communication apparatus interconnection technique field.
Background technique
In communication apparatus connection area, plate is traditionally used in communication apparatus to leading in the radio frequency connector interconnected between plate
Body is the spring probe formed later by three conductive head, spring and main body basic element of character by precision instrument riveting, work
Conduction path when making are as follows: conductive head → spring → main body.Since wire diameter is much smaller than conductive head and main body section product, and
And spring material is spring steel etc., resistivity is high, therefore fever concentrates on spring, but be easy to follow the string under spring high temperature and
Failure, leads to poor contact, to not be able to satisfy requirement.
Summary of the invention
The technical problems to be solved in the utility model is to overcome the deficiencies of the prior art and provide one kind not only to contact well,
And electric conductivity is excellent, the simply big tolerance radio frequency connector inner conductor of structure.
In order to solve the above technical problems, the utility model uses such a big tolerance radio frequency connector inner conductor, including
Main body, conductive head and spring, the main body it is cylindrical and its front end be equipped with an inner hole, the conductive head it is cylindrical and
It is equipped with an inner hole in its back-end, which further includes one and be fixedly mounted in conductive head inner hole
Positioning sleeve, the positioning sleeve it is cylindrical and in its back-end be equipped with an inner hole, the positioning sleeve rear end is placed in the main body
Inner hole in, on the outer circle wall surface of the positioning sleeve rear end be equipped with a circular ring shape evagination barb, in the body front end
Inner hole wall surface be equipped with a circular ring shape convex barb, the rear end of the front end face of the evagination barb and the convex barb
Face offsets, and gap is equipped between the outer circle wall surface of the evagination barb and the inner hole wall surface of the main body, after the conductive head
The inner hole wall surface at end is equipped with a circular ring shape protrusion, and the front end face of the circular ring shape protrusion is chamfering or smooth arc surface,
The rear end face of the circular ring shape protrusion is chamfering or smooth arc surface, and the conductive head is set on the body, and described
The circular ring shape protrusion of conductive head and the outer circle wall surface of body front end are slidably connected, and the spring is placed in the inner hole of the main body and determines
In the inner hole of position set, and the front/rear end of the spring respectively with positioning sleeve front end or conductive head front end, main body inner hole after
End offsets.
As a kind of preferred embodiment of the utility model, the inner hole bottom of the conductive head be additionally provided with one it is blind
Hole, the positioning sleeve front end are inserted into the blind hole and are interference fitted with the blind hole.
As a kind of preferred embodiment of the utility model, the outer circle wall surface of the evagination barb is interior with the main body
Gap between wall surface of the hole is 0.05~0.1mm.
As a kind of preferred embodiment of the utility model, the rear end face of the convex barb tilts backwards a angle, institute
The front end face for stating evagination barb turns forward a angle, and a angle is 3~5 °.
After adopting the above structure, the utility model has the following beneficial effects:
The utility model includes main body, conductive head, spring and the positioning sleeve being fixedly mounted in conductive head inner hole, wherein
Positioning sleeve and spring do not play conducting, the conduction path of the utility model are as follows: conductive head → main body, and conductive head rear end
The front and rear end of circular ring shape protrusion is chamfering or smooth arc surface, and the contact site of conductive head and main body is smooth, in this way when
For conductive head when sliding on the outer circle wall surface of body front end, frictional force and contact resistance are minimum, or even negligible, therefore this
When utility model works, not only each component contact is good, but also electric conductivity is excellent.
The rear end face of the utility model convex barb tilts backwards a angle, and the front end face of evagination barb turns forward the angle a
Degree can guarantee that the two more reliably links together in this way, further ensure the reliability of contact.
The utility model structure is simple, occupies little space, and can realize and connect between small space, big tolerance plate well.
Detailed description of the invention
Specific embodiment of the present utility model is described in further detail below in conjunction with attached drawing.
Fig. 1 is a kind of structural schematic diagram of the big tolerance radio frequency connector inner conductor of the utility model.
Fig. 2 is the stereoscopic schematic diagram of main body in the utility model.
Fig. 3 is the half-section diagram of main body in the utility model.
Fig. 4 is the stereoscopic schematic diagram of conductive head in the utility model.
Fig. 5 is the schematic side view of conductive head in the utility model.
Fig. 6 is the schematic cross-sectional view in Fig. 5 along line D-D.
Fig. 7 is the diagrammatic cross-section in Fig. 5 along E-E line.
Fig. 8 is the stereoscopic schematic diagram of positioning sleeve in the utility model.
Fig. 9 is the half-section diagram of positioning sleeve in the utility model.
Figure 10 is the enlarged diagram in Fig. 1 at I.
Specific embodiment
Referring to Fig. 1 to a kind of big tolerance radio frequency connector inner conductor shown in Fig. 10, including main body 1, conductive head 2 and spring
3, the main body 1 is cylindrical and is equipped with an inner hole 1a in its front end, and main body 1 is made of an electrically conducting material, and the conductive head 2 is in
It is cylindrical and be equipped with an inner hole 2a in its back-end, several are preferably provided with along axial direction on the shaft of 2 rear end of conductive head
Open slot 2d, conductive head 2 is usually made of elastic conducting materials such as beryllium-bronzes, which also wraps
The positioning sleeve 4 being fixedly mounted in 2 inner hole 2a of conductive head is included, the positioning sleeve 4 is cylindrical and is equipped with one in its back-end
A inner hole 4a, positioning sleeve 4 are preferably made of insulating materials such as plastics, and steel part can also be used certainly, and 4 rear end of positioning sleeve is set
In the inner hole 1a of the main body 1, several are preferably provided on the shaft of 4 rear end of positioning sleeve along axial open slot
4b is equipped with the evagination barb 4c of a circular ring shape, in 1 front end of main body on the outer circle wall surface of 4 rear end of positioning sleeve
Inner hole wall surface is equipped with the convex barb 1b of circular ring shape, and the front end face 4c-1 of the evagination barb 4c falls with the convex
The rear end face 1b-1 of hook 1b offsets, the inner hole 1a wall surface of the outer circle wall surface 4c-2 of the evagination barb 4c and the main body 1 it
Between be equipped with gap H, a circular ring shape protrusion 2b, the circular ring shape protrusion are equipped on the inner hole wall surface of 2 rear end of conductive head
The front end face 2b-1 of 2b is that the rear end face 2b-2 of the chamfering perhaps smooth arc surface circular ring shape protrusion 2b is chamfering or light
Sliding arc surface, the conductive head 2 are sleeved in the main body 1, and the circular ring shape protrusion 2b of the conductive head 2 and 1 front end of main body
Outer circle wall surface be slidably connected, the gap H can better ensure that the electric conductivity between conductive head 2 and main body 1 is excellent, described
Spring 3 is placed in the inner hole 1a of the main body 1 and the inner hole 4a of positioning sleeve 4, and the front/rear end of the spring 3 respectively with positioning
Cover 2 front end of 4 front ends or conductive head, the rear end inner hole 1a of main body 1 offsets, in the present invention, the inner hole of the positioning sleeve 4
4a can be blind hole, be also possible to through-hole, and when being blind hole, front end face and 4 front end of positioning sleeve of spring 3 offset；When being through-hole
When, front end face and 2 front end of conductive head of spring 3 offset, in addition, can be also inserted into 3 inner hole of spring one for guiding circle
Cylindricality guide pin 5.
As a kind of preferred embodiment of the utility model, as shown in Fig. 1,6,7, in the inner hole 2a of the conductive head 2
Bottom is additionally provided with a blind hole 2c, and 4 front end of positioning sleeve is inserted into the blind hole 2c and is interference fitted with blind hole 2c.It is described
Positioning sleeve 4 can also be used other way and be fixedly mounted in the inner hole 2a of conductive head 2, fix for example, by using screw in bottom, or
Person is not shown from radial tightening, figure using screw.
As a kind of preferred embodiment of the utility model, as shown in Fig. 1,10, the cylindrical wall of the evagination barb 4c
Gap H between face 4c-2 and the inner hole 1a wall surface of the main body 1 is 0.05~0.1mm, and 0.3 or 0.5 can also be used certainly
Mm etc..
As a kind of preferred embodiment of the utility model, as shown in Fig. 3,9, the rear end face of the convex barb 1b
1b-1 tilts backwards a angle, and the front end face 4c-1 of the evagination barb 4c turns forward a angle, and a angle is 3~5 °.
This incline structure can better ensure that convex barb 1b is reliably connected together with evagination barb 4c, better assure that
The reliability of contact.
By on probation, each component contact is good when utility model works, and electric conductivity is excellent, and structure is simple, obtains
Good practical function.
Claims (4)
1. a kind of big tolerance radio frequency connector inner conductor, including main body (1), conductive head (2) and spring (3), the main body (1) are in
Cylindrical and be equipped with an inner hole (1a) in its front end, the conductive head (2) is cylindrical and is equipped with an inner hole in its back-end
(2a), it is characterised in that: the big tolerance radio frequency connector inner conductor further includes one and is fixedly mounted on conductive head (2) inner hole (2a)
In positioning sleeve (4), the positioning sleeve (4) is cylindrical and is equipped with an inner hole (4a) in its back-end, after the positioning sleeve (4)
End is placed in the inner hole (1a) of the main body (1), and a circular ring shape is equipped on the outer circle wall surface of the positioning sleeve (4) rear end
Evagination barb (4c) is equipped with the convex barb (1b) of a circular ring shape on the inner hole wall surface of the main body (1) front end, described outer
The front end face (4c-1) of convex barb (4c) and the rear end face (1b-1) of the convex barb (1b) offset, the evagination barb
It is equipped with gap (H) between the outer circle wall surface (4c-2) of (4c) and inner hole (1a) wall surface of the main body (1), in the conductive head
(2) the inner hole wall surface of rear end is equipped with a circular ring shape protrusion (2b), and the front end face (2b-1) of the circular ring shape raised (2b) is
The rear end face (2b-2) of the chamfering perhaps smooth arc surface circular ring shape raised (2b) is chamfering or smooth arc surface, described
Conductive head (2) is sleeved on the main body (1), and the circular ring shape raised (2b) of the conductive head (2) and main body (1) front end is outer
Circle wall sliding connection, the spring (3) are placed in the inner hole (1a) of the main body (1) and the inner hole (4a) of positioning sleeve (4), and
The front/rear end of the spring (3) respectively with positioning sleeve (4) front end or conductive head (2) front end, main body (1) inner hole (1a) after
End offsets.
2. big tolerance radio frequency connector inner conductor according to claim 1, it is characterised in that: in the conductive head (2)
The bottom inner hole (2a) is additionally provided with a blind hole (2c), positioning sleeve (4) front end be inserted into the blind hole (2c) and with the blind hole
(2c) interference fit.
3. big tolerance radio frequency connector inner conductor according to claim 1, it is characterised in that: the evagination barb (4c)
Gap (H) between outer circle wall surface (4c-2) and inner hole (1a) wall surface of the main body (1) is 0.05~0.1mm.
4. big tolerance radio frequency connector inner conductor according to claim 1 or 2 or 3, it is characterised in that: the convex barb
The rear end face (1b-1) of (1b) tilts backwards a angle, and the front end face (4c-1) of the evagination barb (4c) turns forward the angle a
Degree, a angle are 3~5 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920229393.1U CN209592432U (en) | 2019-02-25 | 2019-02-25 | Big tolerance radio frequency connector inner conductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920229393.1U CN209592432U (en) | 2019-02-25 | 2019-02-25 | Big tolerance radio frequency connector inner conductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209592432U true CN209592432U (en) | 2019-11-05 |
Family
ID=68355940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920229393.1U Active CN209592432U (en) | 2019-02-25 | 2019-02-25 | Big tolerance radio frequency connector inner conductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209592432U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111370899A (en) * | 2020-04-03 | 2020-07-03 | 昆山电科速联电子科技有限公司 | Novel buckle type electronic connector |
-
2019
- 2019-02-25 CN CN201920229393.1U patent/CN209592432U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111370899A (en) * | 2020-04-03 | 2020-07-03 | 昆山电科速联电子科技有限公司 | Novel buckle type electronic connector |
| CN111370899B (en) * | 2020-04-03 | 2022-04-12 | 昆山电科速联电子科技有限公司 | Buckle type electronic connector |
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