CN107331984B - Cable clamp structure for radio frequency coaxial cable connector - Google Patents
Cable clamp structure for radio frequency coaxial cable connector Download PDFInfo
- Publication number
- CN107331984B CN107331984B CN201710712502.0A CN201710712502A CN107331984B CN 107331984 B CN107331984 B CN 107331984B CN 201710712502 A CN201710712502 A CN 201710712502A CN 107331984 B CN107331984 B CN 107331984B
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- CN
- China
- Prior art keywords
- cable clamp
- circular arc
- radio frequency
- clamping
- clamping blocks
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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
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/38—Clamped connections, spring connections utilising a clamping member acted on by screw or nut
- H01R4/40—Pivotable clamping member
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/04—Concentric cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/03—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations
Landscapes
- Multi-Conductor Connections (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention provides a cable clamp structure for a radio frequency coaxial cable connector, which can solve the problems of inconvenient installation, easy deformation or fracture caused by external force and unstable whole system caused by the fact that the cable clamp is not tightly clamped. The cable clamp comprises a cable clamp body, wherein the cable clamp body is formed by encircling and splicing four circular arc clamping blocks, the four circular arc clamping blocks are arranged on a cable clamp base after encircling and splicing, the peripheries of the four circular arc clamping blocks are radially locked through O-shaped rings, and the cable clamp base is arranged on a rear shell through interference fit.
Description
Technical Field
The invention relates to the technical field of radio frequency coaxial cable connection, in particular to a cable clamp structure for a radio frequency coaxial cable connector.
Background
At present, most of cable clamps used for radio frequency coaxial cable connectors in the industry are of integral structures, a plurality of mutually parallel axial grooves are uniformly formed in the circumferential direction of the cable clamps, and when the cable clamps are connected and installed with the radio frequency coaxial cable connectors, the axial grooves of the cable clamps need to be spread to deform, so that the installation is time-consuming and labor-consuming, the peripheral wall of the cable clamps is thinner, and the cable clamps are easy to deform or break due to the influence of external force in the production or transportation process.
Along with the higher and higher requirements of communication base station to each subassembly performance, obtain through more experimental analysis that the cable clamp plays great influence effect to intermodulation to the grip ability of cable outer conductor, and this kind of cable clamp is relatively poor to the fixed effect of cable outer conductor, removes the grip position, and the space of other positions and cable outer conductor is all bigger, and will lead to intermodulation extremely unstable under dynamic condition, influences entire system's performance index.
Disclosure of Invention
In view of the above problems, the present invention provides a cable clamp structure for a radio frequency coaxial cable connector, which can solve the problems of inconvenient installation, easy deformation or breakage due to external force and unstable overall system caused by not tightly clamping a cable in the existing cable clamp.
The technical scheme is that the cable clamp structure for the radio frequency coaxial cable connector comprises a cable clamp body and is characterized in that: the cable clamp body is formed by four circular arc clamping blocks in a surrounding and splicing mode, the four circular arc clamping blocks are installed on a cable clamp base after being in surrounding and splicing mode, the periphery of the four circular arc clamping blocks is radially locked through an O-shaped ring, and the cable clamp base is installed on a rear shell through interference fit.
Furthermore, annular grooves are formed in the same height position of the periphery of the four circular arc-shaped clamping blocks, the annular grooves are mutually connected after the four circular arc-shaped clamping blocks are spliced in a surrounding mode, and the O-shaped ring is embedded in the annular grooves.
Further, the cable clamp base is of a circular ring structure and comprises a circular ring base plate, concentric circular ring bosses are arranged on the front side of the circular ring base plate, a circular groove is formed in the outer peripheral surface of each circular ring boss, four grooves are uniformly distributed in the circular ring bosses, and the circular groove is communicated with the four grooves.
Further, a clamping foot is arranged on the rear end face of each circular arc-shaped clamping block, the clamping feet of the circular arc-shaped clamping blocks after being spliced in a surrounding mode are respectively buckled in corresponding grooves on the cable clamp base, slotted clamping springs are arranged in the annular grooves in a hooping mode, and meanwhile the slotted clamping springs are hooped on the outer side faces of the clamping feet.
Further, the bottom of the outer side face of each clamping foot is provided with a protrusion, the circular bottom plate is provided with four through holes corresponding to the four grooves one by one, and the protrusion of each clamping foot is embedded into the through hole of the circular bottom plate.
Further, the groove width of the annular groove is larger than the diameter of the slotted snap spring.
Furthermore, two mutually parallel protruding strips are arranged at the same positions of the inner side surfaces of the four circular arc-shaped clamping blocks, and the protruding strips are clamped in the peripheral trough of the radio frequency coaxial cable when the radio frequency coaxial cable is clamped after the four circular arc-shaped clamping blocks are spliced in a surrounding mode.
The invention has the beneficial effects that: because the split type structure formed by the four circular arc clamping blocks in a surrounding and splicing way is adopted, the split type structure is only needed to be spliced and installed when the split type structure is installed and connected with the radio frequency coaxial cable connector, and is time-saving, labor-saving and convenient to install; the periphery of the four circular arc-shaped clamping blocks after being spliced is radially hooped by the O-shaped ring and the slotted clamping spring, so that the clamping force on the radio frequency coaxial cable can be always maintained, and radial bulge deformation is prevented; the cable clamp base and the four circular arc clamping blocks are matched with each other through the grooves and the clamping pins to realize reliable installation of the cable clamp base and the four circular arc clamping blocks, so that the stability and reliability of clamping of the cable clamp are ensured; the convex parts at the bottom of the outer side surfaces of the clamping feet are simultaneously embedded into the hole grooves which are formed in the annular bottom plate and communicated with the corresponding grooves when the clamping foot buckles of the circular arc-shaped clamping blocks are arranged in the grooves of the cable clamp base, so that the reliable installation between the cable clamp base and the circular arc-shaped clamping blocks is further ensured; the groove width of the annular groove is larger than the diameter of the slotting clamp spring, so that the slotting clamp spring can be smoothly embedded into the annular groove and can be tightly hooped by the four circular arc clamping blocks; in addition, two mutually parallel protruding strips arranged on the inner side surfaces of the four circular arc clamping blocks can be clamped with the outer Zhou Bogu of the radio frequency coaxial cable, and play between the cable and the cable clamp can be effectively prevented under the dynamic condition, so that intermodulation stability is ensured, and the performance index of the whole system is ensured to meet the requirements.
Drawings
Fig. 1 is a schematic perspective view of a cable clip structure for a radio frequency coaxial cable connector according to the present invention;
fig. 2 is a schematic diagram of a cable clamp structure for a radio frequency coaxial cable connector according to the present invention in a semi-sectional configuration;
FIG. 3 is a schematic perspective view of a cable clip body according to the present invention;
FIG. 4 is a schematic view of the semi-section structure of the cable clamp body of the present invention;
FIG. 5 is a schematic perspective view of a cable clip chassis according to the present invention;
FIG. 6 is a schematic view of a semi-sectional structure of a cable clamp chassis according to the invention
Fig. 7 is a schematic view of a cable clamp structure for a radio frequency coaxial cable connector of the present invention clamping a cable.
Reference numerals: the cable clamp comprises a 10-cable clamp body, an 11-arc clamping block, a 111-annular groove, a 12-clamping pin, 121-protrusions, 13-protruding strips, 14-protruding strips, a 20-cable clamp base, a 21-annular bottom plate, 211-hole grooves, 22-annular bosses, 23-annular grooves, 24-grooves, 30-O-shaped rings, 40-slotted clamp springs and 50-radio frequency coaxial cables.
Detailed Description
Referring to fig. 1, the cable clamp structure for a radio frequency coaxial cable connector of the invention comprises a cable clamp body 10, wherein the cable clamp body is integrally spliced by four circular arc clamping blocks 11, the four circular arc clamping blocks 11 are arranged on a cable clamp base 20 after being spliced, the periphery of the four circular arc clamping blocks 11 is radially locked by an O-shaped ring 30, and the cable clamp base 20 is arranged on a rear shell through interference fit.
Referring to fig. 4, annular grooves 111 are formed in the same height position of the outer periphery of the four circular arc-shaped clamping blocks 11, the annular grooves 111 are mutually combined after the four circular arc-shaped clamping blocks 11 are spliced in a surrounding mode, and the O-ring 30 is embedded in the annular grooves 111.
The cable clamp base 20 is of a circular ring structure, as shown in fig. 5 and 6, and comprises a circular ring bottom plate 21, a concentric circular ring boss 22 is arranged on the front side of the circular ring bottom plate 21, a circular groove 23 is formed in the outer peripheral surface of the circular ring boss 22, four grooves 24 are uniformly distributed in the circular ring boss 22, and the circular groove 23 is communicated with the four grooves 24.
Referring to fig. 3 and 4, a clamping foot 12 is arranged on the rear end face of each circular arc clamping block 11, the clamping feet 12 of the circular arc clamping blocks 11 after being enclosed and spliced are respectively buckled into corresponding grooves 24 on the cable clamp base, a slotted clamping spring 40 is hooped in the annular groove 23, and the slotted clamping spring 40 is hooped on the outer side face of the clamping foot 12; the bottom of the outer side surface of each clamping foot 12 is provided with a bulge 121, the annular bottom plate 21 is provided with four hole grooves 211 which are communicated with the four grooves 24 in a one-to-one correspondence manner, and the bulge 121 of each clamping foot is embedded into the hole groove 211 of the annular bottom plate; the groove width d of the annular groove 23 is larger than the diameter of the slotted snap spring 40.
In fig. 4, two parallel protruding strips 13 and 14 are respectively arranged at the same position of the inner side surfaces of the four circular arc clamping blocks 11, and when the four circular arc clamping blocks are spliced in a surrounding manner and then clamp the radio frequency coaxial cable, the protruding strips 13 and 14 are respectively clamped in the outer Zhou Bogu of the radio frequency coaxial cable, as shown in fig. 7.
Claims (4)
1. Cable clamp structure for radio frequency coaxial cable connectors, comprising a cable clamp body (10), characterized in that: the cable clamp body (10) is formed by encircling and splicing four circular arc clamping blocks (11), the four circular arc clamping blocks (11) are arranged on a cable clamp base (20) after encircling and splicing, the peripheries of the four circular arc clamping blocks (11) are radially locked through O-shaped rings (30), and the cable clamp base (20) is arranged on a rear shell through interference fit;
annular grooves (111) are formed in the same height position of the periphery of the four circular arc-shaped clamping blocks (11), the annular grooves (111) are mutually connected after the four circular arc-shaped clamping blocks (11) are spliced in a surrounding mode, and the O-shaped ring (30) is embedded in the annular grooves (111);
the cable clamp base (20) is of a circular ring structure and comprises a circular ring base plate (21), a concentric circular ring boss (22) is arranged on the front side of the circular ring base plate (21), an annular groove (23) is formed in the outer peripheral surface of the circular ring boss (22), four grooves (24) are uniformly distributed in the circular ring boss (22), and the annular groove (23) is communicated with the four grooves (24);
each circular arc clamping block (11) is provided with a clamping foot (12) on the rear end face, the clamping feet (12) of each circular arc clamping block (11) after being enclosed and spliced are respectively buckled and installed in corresponding grooves (24) on the cable clamp base, a slotted clamping spring (40) is hooped in the annular groove (23) and the slotted clamping spring (40) is hooped on the outer side face of the clamping foot (12).
2. The cable clamp structure for a radio frequency coaxial cable connector according to claim 1, wherein: the bottom of the outer side surface of each clamping foot (12) is provided with a bulge (121), the annular bottom plate (21) is provided with four through holes (211) which are communicated with the four grooves in a one-to-one correspondence manner, and the bulge (121) of each clamping foot (12) is embedded into the through holes (211) of the annular bottom plate (21).
3. The cable clamp structure for a radio frequency coaxial cable connector according to claim 2, wherein: the groove width d of the annular groove (23) is larger than the diameter of the slotted snap spring (40).
4. A cable clamp structure for a radio frequency coaxial cable connector according to any one of claims 1-3, wherein: two mutually parallel protruding strips (13, 14) are arranged at the same position of the inner side faces of the four circular arc-shaped clamping blocks (11), and the protruding strips (13, 14) are clamped in the peripheral trough of the radio frequency coaxial cable when the radio frequency coaxial cable is clamped after the four circular arc-shaped clamping blocks (11) are spliced in a surrounding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710712502.0A CN107331984B (en) | 2017-08-18 | 2017-08-18 | Cable clamp structure for radio frequency coaxial cable connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710712502.0A CN107331984B (en) | 2017-08-18 | 2017-08-18 | Cable clamp structure for radio frequency coaxial cable connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107331984A CN107331984A (en) | 2017-11-07 |
| CN107331984B true CN107331984B (en) | 2023-09-22 |
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ID=60224117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710712502.0A Active CN107331984B (en) | 2017-08-18 | 2017-08-18 | Cable clamp structure for radio frequency coaxial cable connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107331984B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108777392B (en) * | 2018-08-07 | 2021-03-16 | 江苏亨鑫科技有限公司 | High-reliability radio frequency coaxial connector capable of being quickly disassembled and assembled |
| CN109149235B (en) * | 2018-08-23 | 2020-06-26 | 江苏亨鑫科技有限公司 | Cable clamp structure for radio frequency connector |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4299363A (en) * | 1979-10-26 | 1981-11-10 | Raco, Inc. | Connector for non-metallic sheathed cable |
| CN1469508A (en) * | 2002-06-22 | 2004-01-21 | �����ɵ� | Coaxle plug connector |
| CN201966340U (en) * | 2011-01-13 | 2011-09-07 | 江苏俊知技术有限公司 | Novel cable clamp for coaxial connector |
| CN204615337U (en) * | 2015-04-29 | 2015-09-02 | 重庆西山科技有限公司 | The cable locking device of band sealing |
| CN207199847U (en) * | 2017-08-18 | 2018-04-06 | 江苏亨鑫科技有限公司 | A kind of cable clamping structure for connector for radio-frequency coaxial cable |
-
2017
- 2017-08-18 CN CN201710712502.0A patent/CN107331984B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4299363A (en) * | 1979-10-26 | 1981-11-10 | Raco, Inc. | Connector for non-metallic sheathed cable |
| CN1469508A (en) * | 2002-06-22 | 2004-01-21 | �����ɵ� | Coaxle plug connector |
| CN201966340U (en) * | 2011-01-13 | 2011-09-07 | 江苏俊知技术有限公司 | Novel cable clamp for coaxial connector |
| CN204615337U (en) * | 2015-04-29 | 2015-09-02 | 重庆西山科技有限公司 | The cable locking device of band sealing |
| CN207199847U (en) * | 2017-08-18 | 2018-04-06 | 江苏亨鑫科技有限公司 | A kind of cable clamping structure for connector for radio-frequency coaxial cable |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107331984A (en) | 2017-11-07 |
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