CN211126364U - Extrusion type radio frequency coaxial connector - Google Patents
Extrusion type radio frequency coaxial connector Download PDFInfo
- Publication number
- CN211126364U CN211126364U CN201922443662.7U CN201922443662U CN211126364U CN 211126364 U CN211126364 U CN 211126364U CN 201922443662 U CN201922443662 U CN 201922443662U CN 211126364 U CN211126364 U CN 211126364U
- Authority
- CN
- China
- Prior art keywords
- shell
- outer shell
- coaxial connector
- wall
- falling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000001125 extrusion Methods 0.000 title claims abstract description 13
- 239000004033 plastic Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 6
- 238000004049 embossing Methods 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 230000008602 contraction Effects 0.000 claims description 4
- 230000002708 enhancing effect Effects 0.000 claims description 4
- -1 polytetrafluoroethylene Polymers 0.000 claims description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 238000004891 communication Methods 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Images
Landscapes
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The utility model discloses an extrusion formula radio frequency coaxial connector belongs to cable television communication technology field, has solved traditional extrusion formula coaxial connector shell body and has had the problem that the product sale promoted was influenced to bulge phenomenon, easily produce crack, product life weak point, the unsmooth influence of outward appearance. The anti-dropping nut mainly comprises a reducing inner core, a nut, a middle shell and an outer shell, wherein the inner wall of the outer shell is in a slope shape, and an anti-dropping bulge is arranged on the inner wall of the outer shell; the middle shell is provided with an anti-drop groove; the middle shell is extruded and embedded into the outer shell, and the anti-falling bulge is accommodated in the anti-falling groove. The utility model has simple and ingenious structural design and firm assembly of the shell; the outer shell has no deformation phenomenon, no crack is generated, the service life is long, and meanwhile, the outer shell is flat and smooth, the customer satisfaction is high, and the product is easy to sell and popularize; the utility model discloses the practicality is strong, can wide application in cable television communication technology field.
Description
Technical Field
The utility model belongs to the technical field of the cable TV communication, specifically speaking especially relates to an extrusion formula radio frequency coaxial connector that assembly firmness is high, the shell body does not have deformation, product long service life, outward appearance level and smooth, easily marketing popularization.
Background
The cable connector plays a role of connecting each cable, and is mainly suitable for signal transmission between internal connection and distribution frames of various digital program controlled exchanges and photoelectric transmission equipment of a transmission equipment office. The patent application number 2010102219852, the application date of which is 2010-07-05, invents a Chinese patent named as a plastic extrusion type coaxial cable connector, the disclosed coaxial cable connector is a traditional extrusion type coaxial cable connector structure and mainly comprises a nut, an inner core, a shell and a sealing ring, the shell and the shell are connected in a clamping mode, the shell is made of a plastic material, the inner core extending into the shell is in an inverted taper shape, and a groove is formed in the outer surface of the shell in the circumferential direction. What the extrusion formula coaxial cable's of traditional this kind of structure middle casing and shell body adopted is interference fit connected mode rigid coupling, for the firmness of guaranteeing middle casing and shell body assembly, traditional coaxial cable connector can be almost equal with the external diameter of middle casing and the design of the internal diameter value of shell body when the design, under the powerful impact force of punch press, middle casing is filled in the shell by force, because the wall thickness of shell body is certain, under the forced extrusion of middle casing, shell body atress department is bloated, take place deformation. The bulging outer shell directly poses two problems: firstly, the service life of the whole connector can be greatly reduced, because the deformed outer shell is easy to crack, and the failure of the outer shell causes the failure of the whole connector; but the raised outer shell influences the attractive appearance of the whole connector, and the rugged appearance inevitably influences the customer satisfaction, so that the product is greatly hindered in the sale and popularization.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a to the not enough of prior art existence, provide an extrusion formula radio frequency coaxial connector that assembly firmness is high, the shell body does not have deformation, product long service life, outward appearance level and smooth, easily marketing popularization.
The utility model discloses a realize through following technical scheme:
an extrusion type radio frequency coaxial connector comprises a reducing inner core, a nut, a middle shell and an outer shell, wherein a flange protruding outwards in the radial direction of the reducing inner core is arranged at the wide-caliber end of the reducing inner core, the reducing inner core penetrates through the nut to be in interference fit with one end of the middle shell, the other end of the middle shell is fixedly connected with the outer shell, the inner wall of the outer shell is in a slope shape, the caliber of the outer shell is in a contraction trend along the insertion direction of the middle shell, and an anti-falling protrusion is arranged on the inner wall of the outer shell; the end of the middle shell which is matched and connected with the outer shell is provided with an anti-falling groove matched with the anti-falling bulge in shape and size; the middle shell is extruded and embedded into the outer shell, and the anti-falling protrusions on the inner wall of the outer shell are accommodated in the anti-falling grooves of the middle shell.
Preferably, the inner wall of the outer shell is slope-shaped, and the inclination angle a is less than or equal to 1.5 °.
Preferably, the anti-dropping groove is an anti-dropping groove ring and is arranged on the outer body of the middle shell along the circumferential direction of the middle shell.
Preferably, the anti-dropping protrusion is an anti-dropping protrusion ring and is arranged on the inner wall of the outer shell along the circumferential direction of the outer shell.
Preferably, the outer contour line of the section of the anti-drop bulge is in an arc shape; the anti-falling groove is also an arc-shaped groove.
Preferably, the contact surface of the reducing inner core and the middle shell in interference fit is provided with embossing patterns for enhancing friction force.
Preferably, a sealing ring is clamped in a gap between the flash and the inner wall of the nut.
Preferably, the intermediate housing is a polytetrafluoroethylene plastic housing.
Preferably, the intermediate housing is a metal piece.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model has simple and ingenious structural design, and the cooperation of the slope-shaped structure and the convex-concave structure ensures that the utility model has strong firmness between the middle shell and the outer shell; the middle shell is embedded into the outer shell, so that the outer shell is not deformed and cracked, the service life is long, and meanwhile, the outer shell is flat and smooth, the customer satisfaction is high, and the product is easy to sell and popularize; the utility model discloses the practicality is strong, can wide application in cable television communication technology field.
Drawings
FIG. 1 is a schematic view of the assembled structure of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 according to the present invention;
FIG. 3 is a schematic structural view of the outer shell and the middle shell of the present invention when they are not assembled;
FIG. 4 is an enlarged view of a portion of FIG. 3 according to the present invention;
fig. 5 is a partial schematic view of the outer casing of the present invention.
In the figure: 1. a variable diameter inner core; 2. a nut; 3. a middle housing; 4. an outer housing; 5. flashing; 6. an anti-drop groove; 7. the anti-drop bulge; 8. and (5) sealing rings.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
an extrusion type radio frequency coaxial connector comprises a reducing inner core 1, a nut 2, a middle shell 3 and an outer shell 4, wherein a flange 5 protruding outwards in the radial direction of the reducing inner core 1 is arranged at the wide-diameter end of the reducing inner core 1, the reducing inner core 1 penetrates through the nut 2 and is in interference fit with one end of the middle shell 3, the other end of the middle shell 3 is fixedly connected with the outer shell 4, the inner wall of the outer shell 4 is in a slope shape, the diameter of the outer shell 4 in the insertion direction of the middle shell 3 is in a shrinkage trend, and an anti-falling protrusion 7 is arranged on the inner wall of the outer shell 4; the end of the middle shell 3 which is matched and connected with the outer shell 4 is provided with an anti-falling groove 6 which is matched with the anti-falling bulge 7 in shape and size; the intermediate case 3 is press-fitted into the outer case 4, and the retaining projections 7 on the inner wall of the outer case 4 are received in the retaining grooves 6 of the intermediate case 3.
Preferably, the inner wall of the outer shell 4 is ramp-shaped with an angle a of less than or equal to 1.5 °.
Preferably, the retaining groove 6 is a retaining groove ring disposed on the outer body of the middle housing 3 along the circumferential direction of the middle housing 3.
Preferably, the anti-slip protrusions 7 are anti-slip raised rings and are arranged on the inner wall of the outer shell 4 along the circumferential direction of the outer shell 4.
Preferably, the outer contour line of the section of the anti-drop bulge 7 is arc-shaped; the anti-falling groove 6 is also an arc-shaped groove.
Preferably, the contact surface of the reducing inner core 1 and the middle shell 3 in interference fit is provided with embossing patterns for enhancing friction force.
Preferably, a sealing ring 8 is clamped in a gap between the flash 5 and the inner wall of the nut 2.
Preferably, the intermediate housing 3 is a teflon plastic housing.
Preferably, the intermediate housing 3 is a metal piece.
Example 1:
this embodiment includes reducing inner core 1, nut 2, middle casing 3 and shell body 4, and middle casing 3 is polytetrafluoroethylene plastic housing or is the metal material casing. The wide-caliber end of the reducing inner core 1 is provided with a flange 5 protruding outwards in the radial direction of the reducing inner core 1, the reducing inner core 1 penetrates through the nut 2 to be in interference fit with one end of the middle shell 3, the other end of the middle shell 3 is fixedly connected with the outer shell 4, the inner wall of the outer shell 4 is in a slope shape, the caliber of the outer shell 4 is in a contraction trend along the insertion direction of the middle shell 3, and the inner wall of the outer shell 4 is provided with an anti-falling protrusion 7; the end of the middle shell 3 which is matched and connected with the outer shell 4 is provided with an anti-falling groove 6 which is matched with the anti-falling bulge 7 in shape and size; the intermediate case 3 is press-fitted into the outer case 4, and the retaining projections 7 on the inner wall of the outer case 4 are received in the retaining grooves 6 of the intermediate case 3. The inner wall of the outer shell 4 is in a slope shape, the slope is a micro slope, and specifically, the inclination angle a of the embodiment is less than or equal to 1.5 degrees, the middle shell 3 is embedded into the outer shell 4 by using a punch, the middle shell 3 is in interference fit with the inner wall of the micro slope, and the interference fit does not need too large clamping force, because the anti-falling bulge 7 on the outer shell is embedded into the anti-falling groove 6 after the middle shell is embedded into the outer shell 4, and the anti-falling bulge is clamped in the anti-falling groove; and the middle shell is firmly assembled in the outer shell under the synchronous matching action of certain interference clamping force and the concave-convex structure. The structure design of the embodiment is simple and ingenious, and the slope-shaped and convex-concave structure are matched, so that the utility model has strong firmness between the middle shell and the outer shell; the middle shell is embedded into the outer shell, so that the outer shell is not deformed and cracked, the service life is long, and meanwhile, the outer shell is flat and smooth, the customer satisfaction is high, and the product is easy to sell and popularize; the embodiment has strong practicability and can be widely applied to the technical field of cable television communication.
Example 2:
this embodiment includes reducing inner core 1, nut 2, middle casing 3 and shell body 4, and middle casing 3 is polytetrafluoroethylene plastic housing or is the metal material casing. The wide-caliber end of the reducing inner core 1 is provided with a flange 5 protruding outwards in the radial direction of the reducing inner core 1, the reducing inner core 1 penetrates through the nut 2 and is in interference fit with one end of the middle shell 3, an embossing pattern for enhancing the friction force is arranged on the contact surface of the reducing inner core 1 and the middle shell 3 in interference fit, and the assembling firmness between the reducing inner core 1 and the middle shell 3 is enhanced by the embossing pattern. A sealing ring 8 is clamped in a gap between the flash 5 and the inner wall of the nut 2. The other end of the middle shell 3 is fixedly connected with the outer shell 4, the inner wall of the outer shell 4 is in a slope shape, the caliber of the outer shell 4 is in a contraction trend along the insertion direction of the middle shell 3, and the inner wall of the outer shell 4 is provided with an anti-falling bulge 7; the end of the middle shell 3 which is matched and connected with the outer shell 4 is provided with an anti-falling groove 6 which is matched with the anti-falling bulge 7 in shape and size; the intermediate case 3 is press-fitted into the outer case 4, and the retaining projections 7 on the inner wall of the outer case 4 are received in the retaining grooves 6 of the intermediate case 3. The anti-falling bulge 7 is an anti-falling bulge ring and is arranged on the inner wall of the outer shell 4 along the circumferential direction of the outer shell 4, and the outer contour line of the section of the anti-falling bulge 7 is arc-shaped; the anti-drop groove 6 is also an arc-shaped groove, the anti-drop groove 6 is an anti-drop groove ring and is arranged on the outer surface body of the middle shell 3 along the circumferential direction of the middle shell 3; the intermediate case 3 is press-fitted into the outer case 4, and the retaining projection 7 of the outer case 4 is accommodated in the retaining groove 6 of the intermediate case 3. The inner wall of the outer shell 4 is in a slope shape, the slope is a micro slope, and specifically, the inclination angle a of the embodiment is less than or equal to 1.5 degrees, the middle shell 3 is embedded into the outer shell 4 by using a punch press, the middle shell 3 is in interference fit with the inner wall of the micro slope, and the interference fit does not need too large clamping force, because the anti-falling bulge 7 on the outer shell is embedded into the anti-falling groove 6 after the middle shell is embedded into the outer shell 4; and the middle shell is firmly assembled in the outer shell under the synchronous matching action of certain interference clamping force and the concave-convex structure. The structure design of the embodiment is simple and ingenious, and the slope-shaped and convex-concave structure are matched, so that the utility model has strong firmness between the middle shell and the outer shell; the middle shell is embedded into the outer shell, so that the outer shell is not deformed and cracked, the service life is long, and meanwhile, the outer shell is flat and smooth, the customer satisfaction is high, and the product is easy to sell and popularize; the embodiment has strong practicability and can be widely applied to the technical field of cable television communication.
In summary, the present invention is only a preferred embodiment, and is not intended to limit the scope of the present invention, and all equivalent changes and modifications in the shape, structure, characteristics and spirit of the claims of the present invention should be included in the scope of the claims of the present invention.
Claims (9)
1. The utility model provides an extrusion formula radio frequency coaxial connector, includes reducing inner core, nut, middle casing and shell body, the wide aperture end of reducing inner core is equipped with outside bellied overlap in the radial direction of reducing inner core, and the reducing inner core passes the one end interference fit of nut and middle casing, the other end and the shell body fixed connection of middle casing, its characterized in that: the inner wall of the outer shell is in a slope shape, the caliber of the outer shell is in a contraction trend along the insertion direction of the middle shell, and the inner wall of the outer shell is provided with an anti-falling bulge; the end of the middle shell which is matched and connected with the outer shell is provided with an anti-falling groove matched with the anti-falling bulge in shape and size; the middle shell is extruded and embedded into the outer shell, and the anti-falling protrusions on the inner wall of the outer shell are accommodated in the anti-falling grooves of the middle shell.
2. The extruded radio frequency coaxial connector of claim 1, wherein: the inner wall of the outer shell is in a slope shape, and the inclination angle a of the inner wall is smaller than or equal to 1.5 degrees.
3. The extruded rf coaxial connector of claim 1 or 2, wherein: the anti-falling groove is an anti-falling groove ring and is arranged on the outer surface body of the middle shell along the circumferential direction of the middle shell.
4. The extruded radio frequency coaxial connector of claim 3, wherein: the anticreep is protruding for the protruding circle of anticreep, sets up on the inner wall of shell body along the circumference direction of shell body.
5. The extruded radio frequency coaxial connector of claim 3, wherein: the outer contour line of the section of the anti-falling bulge is arc-shaped; the anti-falling groove is also an arc-shaped groove.
6. The extruded radio frequency coaxial connector of claim 3, wherein: and the contact surface of the reducing inner core and the middle shell in interference fit is provided with embossing patterns for enhancing the friction force.
7. The extruded radio frequency coaxial connector of claim 3, wherein: and a sealing ring is clamped in a gap between the flash and the inner wall of the nut.
8. The extruded radio frequency coaxial connector of claim 3, wherein: the middle shell is a polytetrafluoroethylene plastic shell.
9. The extruded radio frequency coaxial connector of claim 3, wherein: the middle shell is a metal piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922443662.7U CN211126364U (en) | 2019-12-30 | 2019-12-30 | Extrusion type radio frequency coaxial connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922443662.7U CN211126364U (en) | 2019-12-30 | 2019-12-30 | Extrusion type radio frequency coaxial connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211126364U true CN211126364U (en) | 2020-07-28 |
Family
ID=71710280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922443662.7U Expired - Fee Related CN211126364U (en) | 2019-12-30 | 2019-12-30 | Extrusion type radio frequency coaxial connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211126364U (en) |
-
2019
- 2019-12-30 CN CN201922443662.7U patent/CN211126364U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105552631A (en) | Electric connector assembly and plug and socket thereof | |
| CN211126364U (en) | Extrusion type radio frequency coaxial connector | |
| CN201303093Y (en) | Electric contact device applied to coaxial connector | |
| CN106025643A (en) | High-voltage connector | |
| CN203103694U (en) | Low-echo radiofrequency coaxial connector | |
| TWM628057U (en) | Waterproof coating structure for a connector cable | |
| CN212462109U (en) | Novel crown band jack contact element | |
| CN212156192U (en) | Pipe capable of assembling and disassembling | |
| CN210266292U (en) | Micro-pipe joint | |
| CN101404364A (en) | Electric contact device applied to coaxial connector | |
| CN2911983Y (en) | Rotation stable antenna joint | |
| CN210806064U (en) | Radio frequency connector with larger radial tolerance | |
| CN210135145U (en) | Self-sealing column cavity | |
| CN212011500U (en) | Right-angle connector for cable television system | |
| CN219717339U (en) | Push type self-locking audio connector | |
| CN208923420U (en) | Push-in type radio frequency (RF) coaxial connector | |
| CN216768704U (en) | Clamping and pressing connection structure capable of being assembled and disassembled quickly | |
| CN219180823U (en) | F-series bent connector structure | |
| CN210517688U (en) | Square GHFB single-wall corrugated pipe for electric power | |
| CN209880899U (en) | Jack contact element of electric connector | |
| CN216279963U (en) | Locking joint | |
| CN113517590A (en) | Light-duty modular structure connector | |
| CN201682110U (en) | Cable connector | |
| CN216280020U (en) | Connecting structure of steel wire framework polyethylene pipe and flange core | |
| CN2342372Y (en) | New structure for probe casing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200728 |