CN215579182U - Radio frequency electric connector - Google Patents
Radio frequency electric connector Download PDFInfo
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- CN215579182U CN215579182U CN202121496651.6U CN202121496651U CN215579182U CN 215579182 U CN215579182 U CN 215579182U CN 202121496651 U CN202121496651 U CN 202121496651U CN 215579182 U CN215579182 U CN 215579182U
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- needle
- needle tube
- insulating body
- radio frequency
- hole
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Abstract
The utility model relates to a radio frequency electric connector which comprises a needle tube, a needle shaft, a spring and an insulating body, wherein the needle tube is coaxially arranged in the insulating body, the needle shaft is sleeved on the outer circumference of a tube opening at one end of the needle tube, the other end of the needle tube is exposed out of the insulating body, and the spring is coaxially arranged between the needle tube and the needle shaft. The needle tube and the needle shaft are wrapped in the insulating body in the shape of the shell to form a complete electric connector, so that the connection stability of the needle shaft and the needle tube is ensured, the service life is prolonged, and the insulating structure is arranged between the needle tube and other electric connectors on equipment through the insulating body, so that the electric connector is convenient to assemble.
Description
Technical Field
The utility model relates to the technical field of electric connectors, in particular to a radio frequency electric connector.
Background
The utility model designs a non-interrupt high-frequency transmission spring needle (CN202010584026.0), which is characterized in that the needle shaft is designed into an open tube sleeve structure with a plurality of clamping jaws, when the needle shaft is sleeved outside the end part of the needle tube, the self elasticity of the clamping jaw material is utilized to realize the interference fit between the needle shaft and the needle tube, so that the needle shaft and the needle tube are always kept in tight contact when the needle shaft and the needle tube are used in a vibrating environment, the continuous uninterrupted signal is realized, and the defects of instantaneous disconnection and reconnection of the traditional spring needle are overcome. However, the gap between the needle shaft and the needle tube is exposed, so that external dust is easy to enter between the needle shaft and the needle tube, and the fault is easy to cause.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the utility model provides a radio frequency electric connector.
In order to achieve the purpose, the technical scheme provided by the utility model is as follows: a radio frequency electric connector comprises a needle tube, a needle shaft, a spring and an insulating body, wherein the needle tube is coaxially arranged in the insulating body, the needle shaft is sleeved on the outer circumference of a tube opening at one end of the needle tube, the other end of the needle tube is exposed out of the insulating body, and the spring is coaxially arranged between the needle tube and the needle shaft.
In the technical scheme, the needle tube comprises a connecting portion, a riveting portion and a pin which are sequentially arranged, the connecting portion and the riveting portion are located in the insulating body, a circle of convex edge connected with the needle shaft is arranged on the outer wall of the tube opening of the connecting portion, the riveting portion is fixedly connected with the insulating body in a clamping mode, and the pin is exposed out of the insulating body.
In the above technical scheme, the needle shaft is provided with the back-off matched with the convex edge of the connecting part.
In the technical scheme, the connecting part is provided with a mounting hole from the pipe orifice inwards along the axis, the bottom of the mounting hole is provided with a connecting hole arranged along the radial direction of the needle tube, and the connecting hole is communicated with the outer wall of the needle tube; the spring is placed in the mounting hole.
In the technical scheme, a through hole is formed in the axis of the insulating body, a sliding part, a clamping part, a fixing part and a leading-out part are sequentially arranged in the through hole, the needle shaft is slidably connected with the connecting part of the needle tube in the sliding part, and a barb clamped with the fixing part of the through hole is arranged at the riveting part of the needle tube; the outer wall of pin and the inner wall contact of extraction portion, the needle tubing is provided with the contact site with joint portion interference fit, the connecting hole is located the contact site.
In the above technical scheme, a first step is arranged between the sliding portion and the clamping portion, a second step is arranged between the clamping portion and the fixing portion, and a third step is arranged between the fixing portion and the leading-out portion.
In the above technical solution, the outer diameter of the insulator at the sliding portion is the same as the outer diameter at the clamping portion, the outer diameter of the insulator at the fixing portion is larger than the outer diameter at the lead-out portion, and the outer diameter of the insulator at the lead-out portion is larger than the outer diameter at the clamping portion.
In the above technical solution, the inner diameter of the through hole at the sliding portion, the inner diameter at the clamping portion, the inner diameter at the fixing portion, and the inner diameter at the lead-out portion decrease in sequence.
In the technical scheme, four wire grooves are formed in the outer wall of the needle shaft at equal angles and are axially arranged along the needle shaft.
In the technical scheme, the inner wall of the needle shaft is provided with a sinking groove which is contacted with one end of the spring.
The utility model has the advantages that the structure is reasonable, the design is novel, the practicability is strong, the needle tube and the needle shaft are wrapped in the shell form through the insulating body to form a complete electric connector, the connection stability of the needle shaft and the needle tube is ensured, the service life is prolonged, the insulating structure is arranged between the needle tube and other electric connectors on equipment through the insulating body, and the electric connector is convenient to assemble.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic exploded view of the present invention.
Fig. 3 is a schematic cross-sectional structure of the present invention.
In the figure: 1. a needle shaft; 11. a wire slot; 12. sinking a groove; 13. reversing; 2. a spring; 3. a needle tube; 31. a connecting portion; 32. a contact portion; 33. riveting parts; 34. a pin; 35. mounting holes; 36. a convex edge; 37. connecting holes; 38. a barb; 4. an insulating body; 41. a through hole; 42. a groove; 43. a sliding part; 44. a clamping part; 45. a fixed part; 46. a lead-out section; 47. a first step; 48. a second step; 49. and a third step.
Detailed Description
Embodiments of the present invention will be described with reference to the accompanying drawings.
As shown in fig. 1-3, a radio frequency electric connector includes a needle tube 3, a needle shaft 1, a spring 2 and an insulating body 4, wherein the needle tube 3 is coaxially disposed in the insulating body 4, the needle shaft 1 is sleeved on an outer circumference of a nozzle at one end of the needle tube 3, the other end of the needle tube 3 is exposed out of the insulating body 4, and the spring 2 is coaxially disposed between the needle tube 3 and the needle shaft 1.
The needle tube 3 comprises a connecting part 31, a contact part 32, a riveting part 33 and a pin 34 which are arranged in sequence, the connecting part 31 and the riveting part 33 are positioned in the insulating body 4, a circle of convex edge 36 connected with the needle shaft 1 is arranged on the outer wall of a tube opening of the connecting part 31, the riveting part 33 is fixedly clamped with the insulating body 4, and the pin 34 is exposed out of the insulating body 4.
The needle shaft 1 is provided with an inverted buckle 13 which is matched with the convex edge 36 of the connecting part 31. The reverse buckle 13 catches the convex edge 36, so that the needle shaft 1 cannot be ejected from the needle tube 3 under the action of the spring 2.
The connecting part 31 is provided with a mounting hole 35 from the pipe orifice inwards along the axis, the bottom of the mounting hole 35 is provided with a connecting hole 37 arranged along the radial direction of the needle tube 3, and the connecting hole 37 leads to the outer wall of the needle tube 3; the spring 2 is placed in the mounting hole 35.
A through hole 41 is arranged at the axle center of the insulating body 4, the through hole 41 is sequentially provided with a sliding part 43, a clamping part 44, a fixing part 45 and a leading-out part 46, the needle shaft 1 is connected with the connecting part 31 of the needle tube 3 in a sliding way in the sliding part 43, and the riveting part 33 of the needle tube 3 is provided with a barb 38 clamped with the fixing part 45 of the through hole 41; the outer wall of the pin 34 contacts the inner wall of the lead-out portion 46, the needle tube 3 is provided with a contact portion 32 which is in interference fit with the snap-in portion 44, and the connection hole 37 is located at the contact portion 32. The connecting hole 37 is used for discharging air between the outer wall of the needle tube 3 and the inner wall of the through hole 41 of the insulating body 4 from the connecting hole 37 when the needle tube 3 is inserted into the insulating body 4, so that the contact part 32 of the needle tube 3 and the clamping part 44 of the through hole 41 can be assembled in place, and the contact part and the clamping part form a good interference fit.
A first step 47 is provided between the slide portion 43 and the click portion 44, a second step 48 is provided between the click portion 44 and the fixing portion 45, and a third step 49 is provided between the fixing portion 45 and the lead portion 46. The first step 47 is used for preventing the needle shaft 1 from being pressed down excessively, so that the inner wall of the needle shaft 1 is prevented from colliding with the end face of the needle tube 3, the second step 48 and the third step 49 are used for supporting the needle tube 3, the needle tube 3 is prevented from penetrating out of the through hole 41 under the action of external force, and the needle tube 3 is stably inserted into the through hole 41 of the insulating body 4.
The outer diameter of the insulating body 4 at the sliding portion 43 is the same as that at the clamping portion 44, the outer diameter of the insulating body 4 at the fixing portion 45 is larger than that at the lead-out portion 46, and the outer diameter of the insulating body 4 at the lead-out portion 46 is larger than that at the clamping portion 44.
The inner diameter of the through hole 41 at the sliding portion 43, the inner diameter at the catching portion 44, the inner diameter at the fixing portion 45, and the inner diameter at the lead-out portion 46 are reduced in order.
The outer wall of the insulation body 4 at the clamping part 44 is provided with a circle of groove 42, the groove 42 is positioned on the outer circumference of the barb 38 of the needle tube 3, after the needle tube 3 is inserted into the through hole 41, the groove 42 of the insulation body 4 is extruded, so that the inner wall of the through hole 41 at the clamping part 44 is deformed to be tightly attached to the outer wall of the needle tube 3, the barb 38 is embedded into the inner wall of the through hole 41, and the press riveting fixation of the needle tube 3 and the insulation body 4 is completed.
The equal angle of 1 outer wall of needle axle is provided with four wire casings 11, wire casing 11 sets up along 1 axial of needle axle, make needle axle 1 form the shape of similar four lamella form hook, the lamella makes back-off 13 catch on needle tubing 3 through the elasticity of metal self, realize interference fit between needle axle 1 and the needle tubing 3, thereby make needle axle 1 and needle tubing 3 remain inseparable contact throughout when using under the environment of vibration, realize lasting incessant of the signal of telecommunication, overcome the transient outage of 2 needles of traditional spring and the defect of reconnection, greatly improve transmission effect.
The inner wall of the needle shaft 1 is provided with a sinking groove 12 which is contacted with one end of the spring 2. The end surface of the spring 2 can not slip, and the spring 2 is stably connected between the needle shaft 1 and the needle tube 3.
The needle shaft 1 and the needle tube 3 are made of copper materials, and the spring 2 is made of stainless steel materials, so that the needle shaft 1 and the needle tube 3 have good electric conductivity. The insulating body 4 is integrally formed by plastic injection molding, so that good electrical insulation is ensured.
The needle tube 3 and the needle shaft 1 are wrapped in the insulating body 4 in a shell form to form a complete electric connector, so that the connection stability of the needle shaft 1 and the needle tube 3 is ensured, the service life is prolonged, and the insulating body 4 enables the needle tube 3 and other electric connectors on equipment to have an insulating structure, so that the electric connector is convenient to assemble.
The technical scope of the present invention is not limited to the above embodiments, and any modifications, equivalent variations and modifications made to the above embodiments according to the technical spirit of the present invention still fall within the technical scope of the present invention.
Claims (10)
1. A radio frequency electric connector is characterized by comprising a needle tube, a needle shaft, a spring and an insulating body, wherein the needle tube is coaxially arranged in the insulating body, the needle shaft is sleeved on the outer circumference of a tube opening at one end of the needle tube, the other end of the needle tube is exposed out of the insulating body, and the spring is coaxially arranged between the needle tube and the needle shaft.
2. The radio frequency electric connector according to claim 1, wherein the needle tube comprises a connecting portion, a riveting portion and a pin which are sequentially arranged, the connecting portion and the riveting portion are located in the insulating body, a circle of convex edge connected with the needle shaft is arranged on the outer wall of the tube opening of the connecting portion, the riveting portion is clamped and fixed with the insulating body, and the pin is exposed out of the insulating body.
3. A radio frequency electrical connector as in claim 2 wherein the pin shaft is provided with an undercut for engaging the flange of the connector portion.
4. The radio frequency electrical connector according to claim 3, wherein the connecting portion has a mounting hole formed therein from the nozzle along the axial center, and a connecting hole is formed at the bottom of the mounting hole and arranged along the radial direction of the needle tube, and the connecting hole opens to the outer wall of the needle tube; the spring is placed in the mounting hole.
5. The radio frequency electrical connector according to claim 4, wherein a through hole is formed at the axis of the insulating body, the through hole is sequentially provided with a sliding portion, a clamping portion, a fixing portion and a leading-out portion, the needle shaft is slidably connected with the connecting portion of the needle tube in the sliding portion, and the riveting portion of the needle tube is provided with a barb clamped with the fixing portion of the through hole; the outer wall of pin and the inner wall contact of extraction portion, the needle tubing is provided with the contact site with joint portion interference fit, the connecting hole is located the contact site.
6. A radio frequency connector as in claim 5, wherein a first step is disposed between the sliding portion and the engaging portion, a second step is disposed between the engaging portion and the fixing portion, and a third step is disposed between the fixing portion and the leading portion.
7. A radio frequency electrical connector as in claim 6 wherein the outer diameter of the insulator at the sliding portion is the same as the outer diameter at the clamping portion, the outer diameter of the insulator at the fixing portion is greater than the outer diameter at the lead-out portion, and the outer diameter of the insulator at the lead-out portion is greater than the outer diameter at the clamping portion.
8. A radio frequency connector as in claim 7, wherein the inner diameter of the through hole at the sliding portion, the inner diameter at the engaging portion, the inner diameter at the fixing portion, and the inner diameter at the lead-out portion are sequentially decreased.
9. A radio frequency connector as in claim 8, wherein the outer wall of the pin shaft is provided with four slots at equal angles, and the slots are axially arranged along the pin shaft.
10. A radio frequency connector as in claim 9 wherein the pin shaft inner wall is provided with a groove for engaging an end of the spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121496651.6U CN215579182U (en) | 2021-07-02 | 2021-07-02 | Radio frequency electric connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121496651.6U CN215579182U (en) | 2021-07-02 | 2021-07-02 | Radio frequency electric connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215579182U true CN215579182U (en) | 2022-01-18 |
Family
ID=79822952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121496651.6U Active CN215579182U (en) | 2021-07-02 | 2021-07-02 | Radio frequency electric connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215579182U (en) |
-
2021
- 2021-07-02 CN CN202121496651.6U patent/CN215579182U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |