CN2050227U - High-current coaxial cable terminal head - Google Patents
High-current coaxial cable terminal head Download PDFInfo
- Publication number
- CN2050227U CN2050227U CN 89204352 CN89204352U CN2050227U CN 2050227 U CN2050227 U CN 2050227U CN 89204352 CN89204352 CN 89204352 CN 89204352 U CN89204352 U CN 89204352U CN 2050227 U CN2050227 U CN 2050227U
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- China
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- coaxial cable
- cable
- connecting plate
- current
- nut
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- Cable Accessories (AREA)
Abstract
Disclosed is a high-current coaxial cable terminal head used as the terminal of a coaxial cable with high current and high voltage or a middle connecting element. The utility model mainly comprises a cable seat, a negative pole connecting plate, a washer, an elastic washer, screw caps and compression screw caps. The permanent load magnitude of current which can be born by the utility model is five to ten times as high as the main conductor current. The utility model also has the advantages of simple structure, firmness, convenient disassembly, convenient installation and convenient use.
Description
The utility model is a kind of terminal or middle connection element that belongs to coaxial cable.Be used for than the high-tension coaxial cable of used big electric current on bigger device or the equipment.
Existing connection element QP-81 type and L6-L16 type (existing procucts sale in the market) are the coaxial cables that is used for the small-signal transmission of 50 ohm or 75 ohm, are the mini-coaxial cable connection elements.
The terminal or the middle connection element that are used for the large-current high-voltage coaxial cable have a kind of separate type coaxial cable terminals (Shanghai ray machine institute of Chinese Academy of Sciences high power laser light lab design) as shown in Figure 1.It is made up of two connecting plates, and an end of connecting plate has a through hole that can penetrate screw and is called adapter plate, and the other end is a welded plate.During use, a connecting plate is welded on the conductor of coaxial cable, and another piece connecting plate is welded on the screen of coaxial cable.In order to reduce inductance, two connecting plates separate as far as possible, and the length L that requires the outer main insulating layer of exposed conductor is greater than 200 millimeters.Obviously, there are many shortcomings in this cable terminal, because two connecting plates are to be welded in respectively on the screen and conductor of coaxial cable, so the dismounting inconvenience.In order to reduce inductance, the outer main insulating layer of exposed conductor will be grown, and exposed screen is long as far as possible, therefore uses very inconvenient.
The purpose of this utility model is exactly in order to overcome above-mentioned difficulties, designs a kind of easy accessibility that is suitable for big electric current high voltage coaxial cable, coaxial cable terminals easy to use.
In order to narrate conveniently, earlier accompanying drawing is described.
Description of drawings:
Fig. 1. the schematic diagram of separate type coaxial cable terminals.
The 1-plastic sheath, 2-shields external insulation sleeve, the 3-screen, 4-welds plate, the 5-adapter plate, the 6-through hole, 7-connecting plate I, the outer main insulating layer of 8-conductor, the 9-conductor, 10-connecting plate II, L-is the length of the outer main insulating layer of exposed conductor.
Fig. 2. big electric current coaxial cable terminals.
The 11-nut, 12-negative pole connecting plate, 13-cable block, 14-packing ring I, 15-elastic washer, 16-packing ring II, 17-clamping nut.
Fig. 3. the top view of negative pole connecting plate 12 and end view.
18-through hole A, 19-through hole B.
Big current coaxial cable terminal head of the present utility model is made up of cable block, negative pole connecting plate, packing ring, elastic washer, nut and clamping nut. As shown in Figure 2. Said cable block 13 is that half is thick, a half-fine shape, and half thin internal diameter is a bit larger tham the external diameter of the outer main insulating layer 8 of conductor, can so that cable block successfully be enclosed within on the outer main insulating layer of conductor. Used for the screen layer of dress coaxial cable in thick half inner chamber of cable block. Pack into the bottom of cable block butt end inner chamber of screen layer has packing ring I 14, elastic washer 15 to add packing ring II 16 and clamping nut 17 with its compression above it.
Said negative pole connecting plate 12 is rectangular in shape, and contains two through hole A, B, as shown in Figure 3. The diameter of through hole A is greater than the external diameter of cable block taper end, and it can pack into the taper end of cable block just, leans against the bottom of cable block butt end, and is fixing with nut 11. Through hole B19 is for subsequent use by the negative electrode of jockey or equipment.
Above said packing ring I and packing ring II to be metal material made, be subjected to mechanical damage for avoiding screen, two packing ring I, II are all handled through sharp rib rounding.Accompany an elastic washer 15 between these two packing rings, it can play: (1) avoids the outer main insulating layer of conductor to be subjected to excessive mechanical pressure, protects its dielectric strength.(2) increase between packing ring I and the packing ring II, the frictional force between screen and the cable block makes between its several persons and firmly and not slides.(3) after clamping nut compresses, elastic washer is crushed out of shape, and makes softly between the screen of coaxial cable terminals and coaxial cable to be fixed together tightly, becomes excellent contact, reaches the little purpose of contact resistance.
Each part of above-mentioned coaxial cable terminals, except elastic washer be with rubber-like rubber material made, other parts all adopt the high metal material manufacturing of conductance.
Advantage of the present utility model:
1. can bear big electric current, high voltage withstanding.The maximum voltage that this novel coaxial cable terminals are born equals the voltage that coaxial cable main insulation body can bear.The permanent load magnitude of current that it bears is taken five to ten times of body electric current as the leading factor.
2. simple in structure, firm, easy accessibility.Press from both sides an elastic washer between employing two metal washers on the structure and compress with a clamping nut, make screen both be fixed firmly, contact resistance is little, and is simple and practical on the structure simultaneously.Negative pole connecting plate and screen all are to use fixed by nut, and mounting or dismounting are convenient.
3. easy to use.Basis is novel must not to fix connecting plate and screen with the way of welding.Also exposed screen needn't be arranged, this point has been brought greatest convenience to the user.
Most preferred embodiment:
Enforcement structure such as Fig. 2, shown in Figure 3 that this is novel.
Be used for coaxial cable, the overall diameter of the outer main insulating layer of its conductor is φ 10mm to 10.5mm, and the internal diameter of the thin end of the cable block of terminals is φ 11.4mm, and the internal diameter of butt end is M24mm to M24.5mm, and the length of cable block is 36 to 38mm.
Elastic washer adopts the vacuum rubber material.Cable block, negative pole connecting plate, packing ring I, II, nut and clamping nut all use brass made.
Above-mentioned made coaxial cable terminals institute proof voltage is greater than 25000 volts, can bear pulse current and be 5000 amperes 16 times.
Claims (1)
1, the big electric current coaxial cable terminals of the big electric current high voltage of a kind of conduct coaxial cable terminal or middle connection element, form by connecting plate, nut and packing ring, it is characterized in that half thick one half-fine metallic cable cover for seat is outside coaxial cable conductor on the main insulating layer, the thin end that the negative pole connecting plate that has two through holes that is rectangular in shape is enclosed within this cable block leans against the bottom of butt end, has a nut that it is fixed, packs into and two metal washer therebetween one elastic washers and clamping nut that has sharp rib rounding is arranged on the coaxial cable shielding layer in the cable block butt end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89204352 CN2050227U (en) | 1989-04-10 | 1989-04-10 | High-current coaxial cable terminal head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89204352 CN2050227U (en) | 1989-04-10 | 1989-04-10 | High-current coaxial cable terminal head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2050227U true CN2050227U (en) | 1989-12-27 |
Family
ID=4861727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 89204352 Withdrawn CN2050227U (en) | 1989-04-10 | 1989-04-10 | High-current coaxial cable terminal head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2050227U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100459292C (en) * | 2006-04-20 | 2009-02-04 | 贵州航天电器股份有限公司 | Shielding net connecting device |
| CN102468639A (en) * | 2010-11-10 | 2012-05-23 | 江苏宝安电缆有限公司 | Fireproof cable terminal envelope |
| CN105103072A (en) * | 2013-04-05 | 2015-11-25 | Cts公司 | Active vibratory pedal assembly |
-
1989
- 1989-04-10 CN CN 89204352 patent/CN2050227U/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100459292C (en) * | 2006-04-20 | 2009-02-04 | 贵州航天电器股份有限公司 | Shielding net connecting device |
| CN102468639A (en) * | 2010-11-10 | 2012-05-23 | 江苏宝安电缆有限公司 | Fireproof cable terminal envelope |
| CN105103072A (en) * | 2013-04-05 | 2015-11-25 | Cts公司 | Active vibratory pedal assembly |
| CN105103072B (en) * | 2013-04-05 | 2018-07-06 | Cts公司 | Active vibration pedal assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |