CN211603268U - High-speed bare wire clamp - Google Patents
High-speed bare wire clamp Download PDFInfo
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- CN211603268U CN211603268U CN201922196575.6U CN201922196575U CN211603268U CN 211603268 U CN211603268 U CN 211603268U CN 201922196575 U CN201922196575 U CN 201922196575U CN 211603268 U CN211603268 U CN 211603268U
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Abstract
The utility model provides a high-speed bare wire clamp, which comprises a clamp component, two RF connectors and a pair of signal wires; the clamp assembly is made of metal materials and comprises a base, a first locking block, a movable pressing block and a second locking block; a first groove is formed in the left side of the base, and a second groove is formed in the right side of the base; the first locking block is arranged above the first groove and forms two V-shaped channels with the first groove; the bottom surface of the second locking block is in contact with the surface of the movable pressing block, and one end of the second locking block is fixed on the base through a second screw; the outer walls of the right ends of the two RF connectors are respectively provided with a tangent plane; the two RF connectors are respectively arranged in the two channels, and two tangent planes at the right end are contacted with each other; the signal wire is arranged in the second groove; embodies the utility model has the advantages of detection stability is high.
Description
Technical Field
The utility model relates to an anchor clamps technical field, in particular to high-speed bare wire anchor clamps.
Background
With the development of scientific technology, especially the development of communication technology, the interconnection system is developed towards miniaturization, high speed and high density, the high speed cable assembly in the interconnection system is the most important component, and for the test of the high speed cable, we must use a fixture to perform the test, and the performance of the fixture directly affects the result of the high speed cable, and at the same time, according to the test result, the high speed performance of the cable can be known in advance, and the abnormal process of the high speed cable in the production process can be predicted, so as to improve the abnormal process, and improve the high frequency parameter of the cable, but in the past, two RF connectors are fixed in parallel and connected with the signal line, and according to the calculation formula of inductance (L ═ μ × S H/i, μ is magnetic permeability, S is the area of penetrating out, H is the magnetic field strength, i is the size of the current flowing on the signal core line), the distance between the central pins used for transmitting electric signals in the two RF connectors in the fixing mode and one end connected with a signal line is too far, so that the impedance is high due to inductive reactance, and the detection stability is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high-speed bare wire anchor clamps mention the problem in order to solve the background art.
In order to achieve the above object, the present invention provides the following technical solutions:
a high speed bare wire clamp comprises a clamp assembly, two RF connectors and a pair of signal wires; the clamp assembly is made of metal materials and comprises a base, a first locking block, a movable pressing block and a second locking block; a first groove is formed in the left side of the base, and a second groove is formed in the right side of the base; the front side wall and the rear side wall of the first groove are inclined planes, so that the first groove is gradually narrowed from left to right; the second groove is a strip-shaped groove, and the right end of the second groove is communicated with the center of the left end of the first groove; the movable pressing block is longitudinally arranged above the left end of the second groove, and the front end and the rear end of the movable pressing block are hinged with the base; the bottom of the first locking block is provided with a trapezoidal lug; the first locking block is locked and fixed on the base through a first screw and corresponds to the upper part of the first groove; two channels are formed between the convex block and the first groove; the bottom surface of the second locking block is in contact with the surface of the movable pressing block, and one end of the second locking block is fixed on the base through a second screw; the outer walls of the right ends of the two RF connectors are respectively provided with a tangent plane; the two RF connectors are respectively arranged in the two channels, and two tangent planes at the right end of the two RF connectors are contacted with each other; the signal line is installed in the second groove.
For further description of the utility model, the left and right sides of the base corresponding to the rear end of the movable pressing block are respectively provided with a first boss; a rotating shaft is arranged between the two first bosses; the rear end of the movable pressing block is arranged on the rotating shaft.
For further description of the utility model, a second boss is installed on the right side of the base corresponding to the front end of the movable pressing block, and the surface of the second boss and the surface of the movable pressing block are located on the same horizontal plane; the front end of the second locking block is fixed on the second boss through a second screw.
For further description of the present invention, a pair of the signal lines have core wires therein, respectively; the two RF connectors are internally provided with a central needle respectively; and the right end of the central needle is respectively provided with a circular groove for inserting the core wire.
For further description of the present invention, the depth of the circular groove is 2.5-3.5 mm.
The utility model has the advantages that:
the utility model discloses a two passageways of shaping on anchor clamps subassembly, two passageways form "V" shape structure, install in the passageway respectively for two RF connectors, and set up the tangent plane on the right-hand member outer wall of RF connector, two tangent planes laminating, thereby can shorten the distance of two RF connector interior center needles, the signal line is then placed in the second recess, two heart yearns in the signal line are connected the transmission signal of telecommunication with center needle electricity respectively, this setting can reduce the impedance high problem that the inductance arouses, in addition, anchor clamps subassembly adopts the metal material preparation, can play the shielding effect to installing RF connector and signal line inside it, thereby reduce the inductance effect, let the impedance reduce, improve the stability of testing result.
Drawings
FIG. 1 is an overall structure of the present invention;
FIG. 2 is an exploded view of the present invention;
fig. 3 is a structural diagram of the first locking block of the present invention;
fig. 4 is a structural diagram of the RF connector of the present invention.
Detailed Description
The invention is further explained below with reference to the drawings:
as shown in fig. 1-4, a high-speed bare wire clamp comprises a clamp assembly 1, two RF connectors 2 and a pair of signal wires 3; the clamp assembly 1 is made of a metal material, and is made of a copper material in the design, and comprises a base 11, a first locking block 12, a movable pressing block 13 and a second locking block 14; a first groove 111 is formed in the left side of the base 11, and a second groove 112 is formed in the right side of the base; the front side wall and the rear side wall of the first groove 111 are inclined planes, so that the first groove 111 gradually narrows from left to right; the second groove 112 is a strip-shaped groove, and the right end of the second groove is communicated with the center of the left end of the first groove 111; the movable pressing block 13 is longitudinally arranged above the left end of the second groove 112, and the front end and the rear end of the movable pressing block are hinged with the base 11; the bottom of the first locking block 12 is provided with a trapezoidal convex block 121; the first locking block 12 is locked and fixed on the base 11 by a first screw 1201 and is correspondingly arranged above the first groove 111; two channels 101 are formed between the lug 121 and the first groove 111; the bottom surface of the second locking block 14 is in contact with the surface of the movable pressing block 13, and one end of the second locking block is fixed on the base 11 through a second screw 1401; the outer walls of the right ends of the two RF connectors 2 are respectively provided with a tangent plane 201; the two RF connectors 2 are respectively arranged in the two channels 101, and two tangent planes 201 at the right end are contacted with each other; the signal wire 3 is arranged in the second groove 112; the pair of signal lines 3 have core lines 31 therein; the two RF connectors 2 are internally provided with a central needle 21 respectively; the right ends of the central needles 21 are respectively provided with a circular groove 211 for inserting the core wires 31; by forming two channels 101 on the clamp assembly 1, the two channels 101 form a V-shaped structure, the two RF connectors 2 are respectively installed in the channels 101, and the outer wall of the right end of the RF connector 2 is provided with a tangent plane 201, the two tangent planes 201 are attached, so that the distance between the central needle 21 in the two RF connectors 2 can be shortened, the signal wire 3 is placed in the second groove 112, the two core wires 31 are respectively inserted into the circular groove 211 of the central needle 21 to be electrically connected and transmitted, the connection stability is improved, the problem of high impedance caused by inductive reactance can be reduced, in addition, the clamp assembly 1 is made of metal materials, the RF connector 2 and the signal wire 3 installed inside the clamp assembly can be shielded, so that the inductive reactance effect is reduced, the impedance is reduced, the stability of a detection result is improved, when in use, the first screw 1201 is unscrewed, the two RF connectors 2 are respectively inserted into the channels 101, the first screw 1201 is screwed down to fix the RF connector 2, the second screw 1401 is loosened, the second locking block 14 is shifted to be separated from the movable pressing block 13, then the movable pressing block 13 is turned over, the movable pressing block 13 is turned over to the outer side around the hinged end of the movable pressing block 13, the signal wire 3 can be assembled, the movable pressing block 13 is turned over to the original position after the assembly is completed, the movable pressing block 13 is locked and fixed through the second locking block 14, and the signal wire 3 is fixed through the movable pressing block 13.
The left side and the right side of the base 11 corresponding to the rear end of the movable pressing block 13 are respectively provided with a first boss 113; a rotating shaft 1101 is arranged between the two first bosses 113; the rear end of the movable pressing block 13 is installed on the rotating shaft 1101, the rotating shaft 1101 is fixed through a positioning pin, and the rear end of the movable pressing block 13 is provided with a circular hole 131 which is sleeved on the rotating shaft 1101 so as to be capable of overturning around the rotating shaft 1101.
A second boss 114 is arranged on the right side of the base 11 corresponding to the front end of the movable pressing block 13, and the surface of the second boss 114 and the surface of the movable pressing block 13 are positioned on the same horizontal plane; the front end of the second locking block 14 is fixed on the second boss 114 through a second screw 1401, and after the second screw 1401 is unscrewed, the second locking block 14 can be shifted, so that the second locking block 14 is separated from the surface of the movable pressing block 13, and the movable pressing block 13 can be turned over.
The depth of the circular groove 211 is 2.5-3.5mm, and the depth of the design is 3 mm.
The working principle of the embodiment is as follows:
unscrewing the first screw 1201, inserting two RF connectors 2 into the channel 101 respectively, screwing the first screw 1201 and fixing the RF connectors 2, loosening the second screw 1401, poking the second locking block 14 to separate the second locking block from the movable pressing block 13, then turning over the movable pressing block 13, turning over the movable pressing block 13 to the outside around the hinged end of the movable pressing block 13, so that the signal wire 3 can be assembled, turning over the movable pressing block 13 to the original position after the assembly is completed, locking and fixing the movable pressing block 13 through the second locking block 14, fixing the signal wire 3 through the movable pressing block 13, and testing the signal wire 3 by adopting a detection device to be connected into the RF connectors 2.
The above description is not intended to limit the technical scope of the present invention, and any modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention are still within the scope of the technical solution of the present invention.
Claims (5)
1. A high speed bare wire clamp comprises a clamp assembly, two RF connectors and a pair of signal wires; the method is characterized in that: the clamp assembly is made of metal materials and comprises a base, a first locking block, a movable pressing block and a second locking block; a first groove is formed in the left side of the base, and a second groove is formed in the right side of the base; the front side wall and the rear side wall of the first groove are inclined planes, so that the first groove is gradually narrowed from left to right; the second groove is a strip-shaped groove, and the right end of the second groove is communicated with the center of the left end of the first groove; the movable pressing block is longitudinally arranged above the left end of the second groove, and the front end and the rear end of the movable pressing block are hinged with the base; the bottom of the first locking block is provided with a trapezoidal lug; the first locking block is locked and fixed on the base through a first screw and corresponds to the upper part of the first groove; two channels are formed between the convex block and the first groove; the bottom surface of the second locking block is in contact with the surface of the movable pressing block, and one end of the second locking block is fixed on the base through a second screw; the outer walls of the right ends of the two RF connectors are respectively provided with a tangent plane; the two RF connectors are respectively arranged in the two channels, and two tangent planes at the right end of the two RF connectors are contacted with each other; the signal line is installed in the second groove.
2. The high speed bare wire clamp according to claim 1, wherein: the left side and the right side of the base corresponding to the rear end of the movable pressing block are respectively provided with a first boss; a rotating shaft is arranged between the two first bosses; the rear end of the movable pressing block is arranged on the rotating shaft.
3. The high speed bare wire clamp according to claim 1, wherein: a second boss is arranged on the right side of the base corresponding to the front end of the movable pressing block, and the surface of the second boss and the surface of the movable pressing block are positioned on the same horizontal plane; the front end of the second locking block is fixed on the second boss through a second screw.
4. The high speed bare wire clamp according to claim 1, wherein: a pair of signal lines each having a core wire therein; the two RF connectors are internally provided with a central needle respectively; and the right end of the central needle is respectively provided with a circular groove for inserting the core wire.
5. The high speed bare wire clamp according to claim 4, wherein: the depth of the circular groove is 2.5-3.5 mm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201922196575.6U CN211603268U (en) | 2019-12-10 | 2019-12-10 | High-speed bare wire clamp |
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CN201922196575.6U CN211603268U (en) | 2019-12-10 | 2019-12-10 | High-speed bare wire clamp |
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CN211603268U true CN211603268U (en) | 2020-09-29 |
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CN201922196575.6U Active CN211603268U (en) | 2019-12-10 | 2019-12-10 | High-speed bare wire clamp |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI802936B (en) * | 2021-07-16 | 2023-05-21 | 台灣立訊精密有限公司 | Cable test fixture |
TWI803908B (en) * | 2021-07-16 | 2023-06-01 | 台灣立訊精密有限公司 | Cable test fixture |
-
2019
- 2019-12-10 CN CN201922196575.6U patent/CN211603268U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI802936B (en) * | 2021-07-16 | 2023-05-21 | 台灣立訊精密有限公司 | Cable test fixture |
TWI803908B (en) * | 2021-07-16 | 2023-06-01 | 台灣立訊精密有限公司 | Cable test fixture |
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