CN112421318B - Coaxial radio frequency connector - Google Patents
Coaxial radio frequency connector Download PDFInfo
- Publication number
- CN112421318B CN112421318B CN202110079816.8A CN202110079816A CN112421318B CN 112421318 B CN112421318 B CN 112421318B CN 202110079816 A CN202110079816 A CN 202110079816A CN 112421318 B CN112421318 B CN 112421318B
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- Prior art keywords
- fixed
- threaded
- sleeve
- cable
- nut
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- 230000002093 peripheral effect Effects 0.000 claims abstract description 5
- 238000001125 extrusion Methods 0.000 claims abstract description 4
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 230000006835 compression Effects 0.000 claims description 15
- 238000007906 compression Methods 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 7
- 210000001503 joint Anatomy 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
- H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/623—Casing or ring with helicoidal groove
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention discloses a coaxial radio frequency connector, and relates to the technical field of radio frequency connectors. The nut structure comprises a sleeve structure and a nut in threaded connection with the sleeve structure, wherein the sleeve structure comprises a fixed column, connecting columns are fixed at two ends of the fixed column, a through hole penetrating through the connecting columns is formed in one end face of the fixed column, a rectangular groove communicated with the through hole is formed in one end face of the fixed column, and lug plates are fixed on the peripheral side faces of the rectangular groove; an extrusion pipe is fixed on the inner bottom surface of the screw cap; one end of the lug plate is rotatably connected with a limiting structure, the limiting structure comprises a supporting rod, one side surface of the supporting rod is in threaded connection with two threaded sleeves, and the interiors of the threaded sleeves are in sliding connection with triangular blocks; a side plate is fixed on the surface of the supporting rod, and mounting grooves are formed in the two end portions of the supporting rod. By using the limiting structure, the invention solves the problems that the existing radio frequency connector mostly adopts a threaded connection mode, the cable is easy to rotate in the circumferential direction to generate distortion so as to damage parts, the axial direction is easy to move, and the stability is poor.
Description
Technical Field
The invention belongs to the technical field of radio frequency connectors, and particularly relates to a coaxial radio frequency connector.
Background
The radio frequency coaxial connector is used for coaxial connection of two sections of radio frequency cables and plays a role in bridge connection; the types of the existing coaxial connectors are various, most of the existing coaxial connectors are connected through threads, and although the threaded connection mode is simple, in actual operation, the threaded connection mode is realized through rotation, so that the cables are easily driven to synchronously rotate during connection.
Make the cable produce circumferential direction easily and then cause the cable distortion to damage spare part when the cable synchronous revolution to current cable butt joint poor stability, the kneck is not hard up easily, and then influences the butt joint of cable and uses.
Disclosure of Invention
The invention aims to provide a coaxial radio frequency connector, which solves the problems that most of the existing radio frequency connectors adopt a threaded connection mode, the cable is easy to twist due to circumferential rotation, parts are damaged, the axial direction is easy to move, and the stability is poor.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a coaxial radio frequency connector which comprises a sleeve structure and a nut in threaded connection with the sleeve structure, wherein the sleeve structure comprises a fixed column, and connecting columns are fixed at two ends of the fixed column; two end faces of the fixed column are provided with through holes penetrating through the connecting column; one end face of each connecting column is provided with a rectangular groove communicated with the through hole, and the peripheral side face of each rectangular groove is fixed with an ear plate; an extrusion pipe is fixed on the inner bottom surface of the screw cap; the inner surface of the lug plate is rotatably connected with a limiting structure, the limiting structure comprises a supporting rod, one side surface of the supporting rod is in threaded connection with two threaded sleeves, and the interiors of the threaded sleeves are in sliding connection with triangular blocks; the side surface of the support rod, which is close to the threaded sleeve, is fixedly provided with a side plate; mounting grooves are formed in the two end parts of the supporting rod; a second compression spring is fixed in the mounting groove, and two ends of the supporting rod are both connected with clamping caps matched with the second compression spring in a sliding manner; wherein, one side of the triangular block is fixed with two guide rods matched with the threaded sleeves; wherein, the side surface of the support rod close to the side plate is provided with a thread groove matched with the thread sleeve; a limiting disc is fixed at one end of the threaded sleeve; the other end of the threaded sleeve is in threaded fit with the threaded groove; a first compression spring is fixedly sleeved at a position, which is outside the guide rod and is positioned between the triangular block and the limiting disc; two cables which are mutually butted are fixed inside the sleeve structure through a limiting structure.
Furthermore, the outer surface of the connecting column is provided with an external thread matched with the screw cap, and the inner surface of the screw cap is provided with an internal thread matched with the external thread.
Furthermore, a limiting hole which penetrates through the threaded sleeve and is matched with the guide rod is formed in one end face of the limiting disc.
Furthermore, the cable is externally clamped with a sealing ring at the position of the inner ring of the nut.
Further, a mounting hole is formed in one end of the nut, the diameter of the mounting hole is larger than that of the cable, and the outer surface of the sealing ring is attached to the outer surface of the mounting hole.
Furthermore, the outer surface of the nut is provided with knurls, and the knurls are formed by mutually staggering every two straight grooves.
The invention has the following beneficial effects:
1. by using the limiting structure, the invention can apply force to the cable in the radial direction when the cable is installed and butted, thereby limiting the most of the existing radio frequency connectors to adopt a threaded connection mode, easily causing the problem that the cable is stressed in the circumferential direction and rotates to damage parts, and ensuring the stability of the cable.
2. According to the invention, through the use of the limiting structure, the axial force can be applied to the cable to limit the axial displacement of the cable, and the butt joint is more stable and firm.
3. The nut and sleeve structure is used, the nut and sleeve structure is installed in the direction of threaded connection, the installation mode is simple, the operation is convenient and fast, the use is convenient, and the practicability is high.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of a coaxial RF connector according to the present invention;
fig. 2 is a left side view of a coaxial rf connector according to the present invention;
FIG. 3 is a schematic cross-sectional view taken along line A-A in FIG. 2;
FIG. 4 is an enlarged view of a portion A of FIG. 3;
FIG. 5 is a schematic structural view of the sleeve structure of FIG. 1;
FIG. 6 is a schematic view of the nut of FIG. 1;
FIG. 7 is a schematic structural view of the position-limiting structure in FIG. 3;
FIG. 8 is a bottom view of the stop structure of FIG. 3;
FIG. 9 is a schematic top view of the limiting structure shown in FIG. 3;
FIG. 10 is a schematic cross-sectional view taken along line A-A in FIG. 9;
FIG. 11 is a schematic structural view of the support rod of FIG. 8;
FIG. 12 is a schematic view of the triangular block of FIG. 8;
fig. 13 is a schematic view of the structure of the threaded bushing of fig. 8.
In the drawings, the components represented by the respective reference numerals are listed below:
1-sleeve structure, 2-screw cap, 3-sealing ring, 4-cable, 5-limiting structure, 101-fixing column, 102-connecting column, 103-rectangular groove, 104-lug plate, 105-through hole, 106-external thread, 201-extruding tube, 202-knurling, 203-internal thread, 501-supporting rod, 502-threaded sleeve, 503-triangular block, 504-first compression spring, 505-clamping cap, 506-second compression spring, 507-side plate, 508-threaded groove, 509-mounting groove, 510-guide rod and 511-limiting disc.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
Referring to fig. 1-13, the present invention is a coaxial rf connector, including a sleeve structure 1 and a nut 2 in threaded connection with the sleeve structure 1, the sleeve structure 1 includes a fixing post 101, connecting posts 102 are fixed at both ends of the fixing post 101, through holes 105 penetrating through the connecting posts 102 are formed at both end surfaces of the fixing post 101, a rectangular groove 103 communicated with the through holes 105 is formed at one end surface of each connecting post 102, and an ear plate 104 is fixed at the peripheral side surface of the rectangular groove 103.
An extrusion pipe 201 is fixed on the inner bottom surface of the screw cap 2; the inner surface of the ear plate 104 is rotatably connected with a limiting structure 5, the limiting structure 5 comprises a supporting rod 501, one side surface of the supporting rod 501 is in threaded connection with two threaded sleeves 502, and the interior of each threaded sleeve 502 is in sliding connection with a triangular block 503; the elastic force of the first compression spring 504 on the triangular block 503 can be changed by using the threaded sleeve 502, so that the radial force of the limiting structure 5 on the cable 4 is changed, and the cable is more suitable for different types of cables 4.
A first compression spring 504 is fixedly sleeved outside the guide rod 510 and positioned between the triangular block 503 and the limiting disc 511; a second compression spring 506 is fixed in the mounting groove 509, and the two ends of the support rod 501 are slidably connected with clamping caps 505 matched with the second compression spring 506; two cables 4 which are butted with each other are fixed inside the sleeve structure 1 through a limiting structure 5.
The outer surface of the connecting column 102 is provided with an external thread 106 matched with the nut 2, the inner surface of the nut 2 is provided with an internal thread 203 matched with the external thread 106, one side surface of the support rod 501 is provided with a thread groove 508 matched with the thread sleeve 502, and one end surface of the limiting disc 511 is provided with a limiting hole which penetrates through the thread sleeve 502 and is matched with the guide rod 510.
A sealing ring 3 is clamped outside the cable 4 and positioned at the inner ring of the nut 2, one end of the nut 2 is provided with a mounting hole, the diameter of the mounting hole is larger than that of the cable 4, and the outer surface of the sealing ring 3 is attached to the outer surface of the mounting hole; the outer surface of the nut 2 is provided with knurls 202, and the knurls 202 are formed by mutually staggering every two straight grooves.
One specific application of this embodiment is:
during the use, establish 3 covers of sealing washer in cable 4 outsidely, secondly pass 2 clamps of nut with cable 4 and establish the position in the middle of four limit structure 5, secondly rotate nut 2 and drive limit structure 5 and rotate and then extrude cable 4 and impel cable 4 to the 1 middle part position of sleeve structure removal simultaneously and can accomplish the butt joint of cable 4, at the in-process of butt joint, limit structure 5 has restricted cable 4's circumferential direction to cable 4's radial force, limit structure 5 pushes away cable 4 to cable 4's axial force and carries out the axial displacement of butt joint spacing cable 4 simultaneously.
As shown in fig. 4, which is a schematic view of a partial enlarged structure at a in fig. 3, fig. 4 is analyzed for the force analysis of the cable 4 and the movement of the cable 4 during the entire cable 4 docking process: the process is first divided into three parts as shown.
The first part is a stress analysis and movement condition that an included angle of the limiting structure 5 relative to the cable 4 is larger than 90 degrees, firstly, the screw cap 2 is rotated to drive the moving structure to rotate initially, secondly, the thrust of the screw cap 2 to the limiting structure 5 is assumed to be F0, the contact point of the screw cap 2 and the limiting structure 5 is assumed to be a point a, at this time, the force F0 can be decomposed into F2 along the length direction of the limiting structure 5 and F1 vertical to the limiting structure 5, at this time, only the cable 4 is under the force, the cable 4 is subjected to a component F1 of F0, then F1 is decomposed into F3 and F4, the direction is shown in the figure, secondly, the first compression spring 504 in the limiting structure 5 has a thrust to the triangular block 503, the thrust indirectly acts on the cable 4, the thrust acting point is a point b, the thrust is denoted as F5, F5 is decomposed into forces F6 and F7, the direction is shown in the figure, at this time, the cable 4 is subjected to F4 and F6 along the radial direction of the cable 4, so that the cable 4 is difficult to rotate in the circumferential direction, and secondly, the decomposition force F3 is artificial manual thrust, and the force is larger than the decomposition force F7, so that the cable 4 is promoted to move towards the middle position of the sleeve structure 1, which is the stress analysis and movement condition of the first part of the cable 4.
The second part is the stress analysis and movement condition of the limiting structure 5 in the direction perpendicular to the cable 4, in the part, the thrust F0 is 0, the cable 4 is only subjected to the thrust of the first compression spring 504 on the triangular block 503 and then converted into the pressure on the cable 4, the force is schematically shown in fig. 4, the force is represented by F5 ', and the cable 4 is subjected to the thrust of F5' and then the circumferential rotation of the cable 4 is limited.
The third part is the stress analysis and motion situation that the angle between the limiting structure 5 and the cable 4 is smaller than 90 degrees, at this time, the whole limiting structure 5 is indicated by a line e, at this time, the artificial thrust is indicated by F0 ', the force is decomposed into F2' along the extension direction of the line and F1 'perpendicular to the line e, only the cable 4 is subjected to the stress analysis, the cable 4 is subjected to the force F2', at this time, the contact point of the limiting structure 5 of the cable 4 is indicated as point d, the cable 4 is subjected to the pressure F5 "indirectly applied to the cable by the first compression spring 504 in addition to the force F2 ', the F2' is decomposed into the force F8 and the force F9, the force F5" is decomposed into the force F6 'and the force F7', and in sum, the cable 4 is subjected to the resultant force in the radial direction of the cable 4 superimposed by the forces F8 and F6 ', the circumferential rotation of the resultant force 4 is limited, and the resultant force F9 and F7' in the axial direction of the cable 4 urges, at this time, the force applied to the limiting structure 5 is stopped, and the cable 4 still receives the force F6 'and the force F7' to apply the radial force and the axial thrust to the cable 4.
Through the use of this structure, can exert radial pressure and along axial thrust to cable 4 when cable 4 installs, cable 4 carries out circumferential direction when restricting traditional radio frequency connector threaded connection, has improved cable 4's life.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (5)
1. A coaxial radio frequency connector comprises a sleeve structure (1) and a nut (2) in threaded connection with the sleeve structure (1), and is characterized in that:
the sleeve structure (1) comprises a fixed column (101), and connecting columns (102) are fixed at two ends of the fixed column (101);
two end faces of the fixed column (101) are provided with through holes (105) penetrating through the connecting column (102);
one end face of each connecting column (102) is provided with a rectangular groove (103) communicated with the through hole (105), and an ear plate (104) is fixed on the peripheral side face of each rectangular groove (103);
an extrusion pipe (201) is fixed on the inner bottom surface of the screw cap (2);
the inner surface of the ear plate (104) is rotatably connected with a limiting structure (5), the limiting structure (5) comprises a supporting rod (501), one side surface of the supporting rod (501) is in threaded connection with two threaded sleeves (502), and the interior of each threaded sleeve (502) is in sliding connection with a triangular block (503);
wherein, a side plate (507) is fixed on the side surface of the support rod (501) close to the threaded sleeve (502);
mounting grooves (509) are formed in two end parts of the support rod (501); a second compression spring (506) is fixed in the mounting groove (509), and two ends of the support rod (501) are connected with clamping caps (505) matched with the second compression spring (506) in a sliding manner;
wherein, one side of the triangular block (503) is fixed with two guide rods (510) which are matched with the threaded sleeve (502);
wherein, the side surface of the support rod (501) close to the side plate (507) is provided with a thread groove (508) matched with the thread sleeve (502);
a limiting disc (511) is fixed at one end of the threaded sleeve (502); the other end of the threaded sleeve (502) is in threaded fit with a threaded groove (508);
a first compression spring (504) is fixedly sleeved at a position, outside the guide rod (510), between the triangular block (503) and the limiting disc (511);
two cables (4) which are mutually butted are fixed inside the sleeve structure (1) through a limiting structure (5).
2. The coaxial radio frequency connector according to claim 1, wherein the outer surface of the connecting post (102) is provided with an external thread (106) for matching with the nut (2), and the inner surface of the nut (2) is provided with an internal thread (203) for matching with the external thread (106).
3. The coaxial RF connector according to claim 1, wherein a limiting hole is formed on one end surface of the limiting disc (511) and penetrates through the threaded sleeve (502) and is matched with the guide rod (510).
4. A coaxial radio-frequency connector according to claim 1, characterized in that the sealing ring (3) is snap-fitted on the outside of the cable (4) at the position of the inner ring of the nut (2).
5. The coaxial radio-frequency connector according to claim 1, wherein the nut (2) is provided with knurls (202) on the outer surface, and the knurls (202) are formed by mutually staggering every two straight grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110079816.8A CN112421318B (en) | 2021-01-21 | 2021-01-21 | Coaxial radio frequency connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110079816.8A CN112421318B (en) | 2021-01-21 | 2021-01-21 | Coaxial radio frequency connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112421318A CN112421318A (en) | 2021-02-26 |
| CN112421318B true CN112421318B (en) | 2021-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110079816.8A Active CN112421318B (en) | 2021-01-21 | 2021-01-21 | Coaxial radio frequency connector |
Country Status (1)
| Country | Link |
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| CN (1) | CN112421318B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113611998B (en) * | 2021-08-02 | 2022-03-11 | 山东正通电缆有限公司 | Bidirectional coaxial radio frequency cable convenient to assemble |
| CN114371456B (en) * | 2021-12-30 | 2023-03-28 | 广东纳睿雷达科技股份有限公司 | T/R assembly test fixture |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202737196U (en) * | 2012-08-14 | 2013-02-13 | 江苏新丰电子有限公司 | Radio frequency coaxial connector |
| CN204130853U (en) * | 2014-09-24 | 2015-01-28 | 江苏正恺电子科技有限公司 | Have screw thread concurrently and insert with fast the radio frequency connector be connected |
| DE102015118585A1 (en) * | 2015-10-30 | 2017-05-04 | Ims Connector Systems Gmbh | Plug with spring cage on connection side |
| CN210744363U (en) * | 2019-10-25 | 2020-06-12 | 镇江市胜超电子有限公司 | Radio frequency coaxial connector for communication system |
| CN212085377U (en) * | 2020-04-21 | 2020-12-04 | 深圳金信诺高新技术股份有限公司 | Radio frequency coaxial connector |
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2021
- 2021-01-21 CN CN202110079816.8A patent/CN112421318B/en active Active
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| Publication number | Publication date |
|---|---|
| CN112421318A (en) | 2021-02-26 |
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Effective date of registration: 20210409 Address after: 276000 Longwan science and Technology Park, shuangyuehu Road, high tech Industrial Development Zone, Linyi City, Shandong Province Applicant after: SHANDONG LONGLI ELECTRONICS Co.,Ltd. Address before: 261000 19a28, floor 19A, building 12, sunshine 100 City Plaza, 5021 Shengli East Street, Kuiwen District, Weifang City, Shandong Province Applicant before: Weifang Licheng Building Materials Technology Co.,Ltd. |
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Denomination of invention: Coaxial RF connector Effective date of registration: 20211130 Granted publication date: 20210504 Pledgee: Shandong Linyi Luozhuang Rural Commercial Bank Co.,Ltd. Pledgor: SHANDONG LONGLI ELECTRONICS CO.,LTD. Registration number: Y2021980013532 |
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Denomination of invention: A coaxial RF connector Effective date of registration: 20221122 Granted publication date: 20210504 Pledgee: Shandong Linyi Luozhuang Rural Commercial Bank Co.,Ltd. Pledgor: SHANDONG LONGLI ELECTRONICS CO.,LTD. Registration number: Y2022980023022 |
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