CN102142622A - Damage-free connection device between leads with different diameters - Google Patents
Damage-free connection device between leads with different diameters Download PDFInfo
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- CN102142622A CN102142622A CN2010105740574A CN201010574057A CN102142622A CN 102142622 A CN102142622 A CN 102142622A CN 2010105740574 A CN2010105740574 A CN 2010105740574A CN 201010574057 A CN201010574057 A CN 201010574057A CN 102142622 A CN102142622 A CN 102142622A
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- copper sheet
- lead
- end cap
- base
- screw
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Abstract
The invention discloses a damage-free connection device between leads with different diameters. The normal diameter size of the connectable leads can be within a range of 0.02-2.5 mm. The device consists of an end cover, a base, shock-absorbing seat sponge, a supporting copper sheet, a compression copper sheet and a fastening screw. In the use of the device, the aim of connection of the lead with a super-small diameter and the lead with another diameter is achieved by coupling the supporting copper sheet with the compression copper sheet of the device, providing a pressing force through a fastening action of the fastening screw, and using the elasticity of the shock-absorbing seat sponge. The whole device is small-sized and convenient and can realize the stable and reliable connection of the leads with different diameter sizes.
Description
Technical field
The present invention relates to a kind of lead anchor clamps, belong to a kind of of industrial field of connectors at the destruction of the nothing between the lead of not collinear footpath, firm method of attachment.
Background technology
It is a basic working procedure of electrician's operation that lead connects, and also is a crucial operation.The quality that lead connects is directly connected to the long-time running that can whole circuit safe and reliable.The basic demand that lead is connected is: firm and reliable connection, connection resistance is little, mechanical strength is high, corrosion-resistant, resistance to oxidation, electrical insulation properties are good.The most frequently used in present two electric wire connection methods is soldering and hinge method, and the former soldering process can obtain uneven soldering joint, and removes more loaded down with trivial detailsly, and the inventory charge amount is big.The latter then must do wiring again if mistake appears in wiring, and it is difficult to cause makeing mistakes.
Binding post is a kind of accessory product that is electrically connected.That binding post kind commonly used has is European, plug-in, fence type, spring, rail mounted, and wall-penetrating type or the like, and establishing criteria is GB14048.The method of attachment of terminal inner lead relates to crimping method, screw fastening or the like, and the lead of connection mostly is the multiply copper conductor, and the diameter of wire that connects requires identical.Even after the different lead of diameter is generally peelled off lead termination insulating barrier, use the contact pin clamping, and then contact pin be connected in the slot or jack of binding post.But these class methods are to big and long-pending diameter wire or stranded copper wire are feasible, but the connection between the lead of not collinear footpath is just inapplicable, (just be subjected to certain restriction in the connection of line footpath size＜0.2mm), ultrafine wire is according to Chinese Wire Ga(u)ge (CWG) nominal diameter＜0.2mm for the picture ultrafine wire.For example carry out on the stress measurement application at resistance strain plate, the foil gauge diameter wire is 0.1mm, the foil gauge of Zhengzhou Machinery Research Institute under Ministry of Machine Building, and model is TJ120-1.5-φ 1.5, as shown in Figure 1 and Figure 2.The silver-bearing copper silk of the general 0.05～0.18mm of lead material of resistance strain gage adopts spot-welded on.Other type sensitive grid adopts diameter chromium nickel same as described above, card agate, iron-chromium-aluminum metal silk as lead-in wire more, joins with sensitive grid spot welding.Tack-weld is very little, and as easy as rolling off a log will the lead-in wire broken from tack-weld.Foil gauge sensitive grid lead-in wire is an alloy resistance wire about diameter 0.025mm, high resistivity, in order to link to each other with external wire.This foil gauge lead-in wire belongs to ultrafine wire, this type of lead-in wire just can not connect with above-mentioned binding post, connects as the screw fastening, after lead-in wire is put into terminal slots, can such ultrafine wire be fractureed in the screw thread rundown process, contact pin connects makes that also pigtail splice is destroyed.Can't reuse.
At present, also do not have a kind of reliable clamping device can connect the external measurement lead in such ultra-fine lead-in wire and other line footpath, all be by the method realization foil gauge lead-in wire of soldering and being connected of measurement lead in the past, is connected on the lead at the contact with measuring instrument.The foil gauge that picture Jinan Sigmar Technology Co., Ltd. produces is used for connecting the device that goes between with measuring instrument and is " transfer connects dish ", as shown in Figure 2.This method shortcoming is that ultrafine wire mostly is solid conductor, the general measure signal is more small, there are the resistance value size and the inhomogeneities of the soldering joint itself that the very high requirement method of being welded to connect obtains the signal of measuring to be brought very big influence, the precision that influence is tested to lead contact.
The Chinese patent of publication number CN201528056U discloses a kind of lead anchor clamps, and as shown in Figure 5: its technical scheme that provides is that the lead anchor clamps comprise base, has an accommodation space, and has two corresponding jacks; First conductor is located in this accommodation space; And corresponding first conductor of hold-down mechanism is located in this accommodation space, make this two lead insert in the accommodation space by jack respectively, and by this briquetting machine two leads are pressed against on this first conductor, thereby electrically connecting this two lead, and the defective that can exempt manual welding two leads.
The technical disadvantages of above-mentioned connected mode is: 1. this device is fit to two big line footpaths, the connection of collinear footpath lead.The connection of inapplicable little line footpath, ultrafine wire.Shown in Fig. 4 reached, if left side ultrafine wire, the right side was other line footpath lead, and then clamping piece 232 can tilt in the hold-down mechanism compaction process, and there is loose contact hidden danger in left side ultrafine wire.2. be connected existing problems between screw 231 and the rolled-up stock 232,, in the process that screw 231 screws on, can not see 232 lifting height, do not notice that slightly rolled-up stock 232 can bump against pedestal 21, make 232 to come off easily, influence useful life because be accommodation space.
Therefore, a kind of open lead anchor clamps that connect ultrafine wire and other line footpath lead of invention have become problem demanding prompt solution.
Summary of the invention
The object of the present invention is to provide a kind of method of attachment can realize no destructiveness between the lead of not collinear footpath, and the firm device that connects.
The technical solution that realizes the object of the invention is: the nothing between the lead of a kind of not collinear footpath is destroyed jockey, comprise end cap, base, damping sponge, support copper sheet, compress copper sheet, six parts of trip bolt, base is provided with two or more accommodation spaces through Width, in this accommodation space, place the damping sponge, on each sponge, paste arc and support copper sheet, the copper sheet that compresses that is placed on end cap bottom cooperates the formation clamper with the arc part that supports copper sheet, trip bolt passes end cap, compress copper sheet is screwed on the base.
The present invention compared with prior art, its remarkable advantage:
(1) realized firm connection between the lead of not collinear footpath, and has been non-destructive that having guaranteed to be connected lead can reuse.
(2) utilize the elasticity of damping sponge in the device, creationaryly introduced unsteady Anknupfungskeregriff.Semicircular arc hold-down mechanism design in the device has guaranteed good, the firm contact of arbitrary line footpath lead on this mechanism's face, can not have contact dead angle problem.
(3) device has multi-functionally, both can realize the firm connection between the lead of not collinear footpath, also can realize being connected of solid conductor and external measurement lead.
(4) avoid occurring being welded to connect in the side connecting conductor formula in the past inhomogeneous soldering joint in the method, thereby can reduce systematic error to a great extent, guaranteed the reliability of experimental data, made the experimenter more to be absorbed in the collection of stress data.Avoid simultaneously in the present binding post operation, screw fastening screw termination can produce the fine line diameter lead and destroy.
(5) this binding post is open structure, is non-black-box operation when the not collinear footpath of each root lead is connected, and observation connection status that can be very clear guarantees the firm of connection.
(6) simple in structure, highly versatile.Material is mainly plastic cement and copper sheet, and the damping sponge is with low cost.Be applicable to and do not wait line directly to reach the directly firm connection between the lead of equal line.
Below in conjunction with accompanying drawing the present invention is described in further detail.
Description of drawings
Fig. 1 is a TJ120 type foil gauge pictorial diagram.
Fig. 2 shifts to connect the dish pictorial diagram.
Fig. 3 is superfine wire footpath lead and other lines footpath wire connection device figure.
Fig. 4 is the lead anchor clamps figure of publication number CN201528056U Chinese patent.
Fig. 5 is not collinear footpath wire connection device work schematic diagram.
The not collinear footpath of Fig. 6 wire connection device schematic perspective view.
Embodiment
In conjunction with Fig. 3, Fig. 5 and Fig. 6 explanation, the present invention is the jockey between a kind of not collinear footpath lead (changing to 2.5mm as 0.02mm), filled up the blank that can not reliably connect between the lead of not collinear footpath at present, especially gone between being connected between this ultrafine wire and external measurement lead as resistance strain gage.Certainly, also can be used for identical line footpath lead connects.
As shown in Figure 3, the nothing between the lead of the not collinear footpath of the present invention is destroyed jockey, comprises end cap 1, base 2, damping sponge 3, supports copper sheet 4, compresses copper sheet 5, trip bolt 6 six parts.The end cap 1 and the base 2 that obtain by Shooting Technique are the cavity with support, insulation, fixation, have on end cap 1 lower surface and the identical semicircle boss of support copper sheet 4 numbers, compress the lower surface that copper sheet 5 is fitted in end cap 1, and it is corresponding with base 2 upper support copper sheets 4 arc groove positions, its termination passes from end cap 1 two ends and exposes the position perforate at it, shown in A, B position, both can as electrode be connected with lead with clip connector also can be used as conductor be used on the conducting base 2 about two support copper sheets.Base 2 is provided with two or more accommodation spaces through Width, in this accommodation space, place damping sponge 3, this material is for having certain elasticity and a little rigidity, can under the effect of external force small deformation take place, its rigidity still can play a supportive role, on each sponge 3, paste arc and support copper sheet 4, support the size of the downward clamping force that copper sheet 4 can provide according to trip bolt 6 and under sponge self elastic reaction, move up and down.The copper sheet 5 that compresses that is placed on end cap 1 bottom cooperates formation clamper (C, D position) with the arc part that supports copper sheet 4.
As shown in Figure 5, but thin wire 7 horizontal are in wire clamper C space, but another root heavy gauge wire 8 horizontal are in another wire clamper D space, end cap 1, have screws in the middle of compressing copper sheet 5, base 2, trip bolt 6 passes from screw, wherein screw is a bit larger tham major diameter of thread through the screw that compresses copper sheet 5, be used for preventing screw screw on, screw off can loosening pressed copper sheet 5.After screwing off trip bolt 6, produce downward thrust P, make that compressing copper sheet 5 contacts respectively with thin heavy gauge wire 7,8.Between two diameter of wire size differences, damping sponge 3 utilizes its elasticity, under the pressure P effect, about two support copper sheets and produce downward displacement m, n respectively.Two wire diameter differences of clamping, displacement m, the n of generation is just different.Because the effect of power is mutual, power P1, P2 that the two sponge elastomers that support the copper sheets below can make progress to one.Under the two groups of power and reaction force acts of P1 and P and P2 and P, reached the purpose of the thin heavy gauge wire 7,8 in the middle of clamping, promptly utilize the fastening effect of the elasticity of damping sponge 3 and trip bolt 6 to guarantee lead, support copper sheet, compress copper sheet three's unsteady connection, reach the purpose of clamping wire.
The not collinear footpath of the present invention lead connects the using method of clamping device:
When (1) lead connected, the ultrafine wire that will connect lay in one on the base 2 and supports on the copper sheet concave surface.Other line footpath lead is placed on the base 2 another to be supported on copper sheet concave surface.
(2) end cap 1 is put down directly over base 2, with the support copper sheet 4 that copper sheet 5 is aimed on the base that compresses on end cap 1 lower surface, the trip bolt 6 in the middle of the rotary end cover compresses two parts up and down.Reaching two lead lines contacts with the good of copper sheet.
(3) connection procedure finishes, and the nut of outwarding winding is pulled down lead gently and got final product.
Claims (4)
1. the nothing between the not collinear footpath lead is destroyed jockey, it is characterized in that comprising end cap [1], base [2], damping sponge [3], support copper sheet [4], compress copper sheet [5], [6] six parts of trip bolt, base [2] is provided with two or more accommodation spaces through Width, in this accommodation space, place damping sponge [3], go up the stickup arc in each sponge [3] and support copper sheet [4], the copper sheet [5] that compresses that is placed on end cap [1] bottom cooperates the formation clamper with the arc part that supports copper sheet [4], trip bolt [6] passes end cap [1], compressing copper sheet [5] is screwed on the base [2].
2. the nothing between the lead of not collinear footpath according to claim 1 is destroyed jockey, it is characterized in that: have on end cap [1] lower surface and the identical semicircle boss of support copper sheet [4] number, compress the lower surface that copper sheet [5] is fitted in end cap [1], and corresponding with base [2] upper support copper sheet [4] arc groove position.
3. the nothing between the lead of not collinear footpath according to claim 1 and 2 is destroyed jockey, it is characterized in that: compress copper sheet [5] two ends and pass its tip position perforate from end cap [1].
4. the nothing between the lead of not collinear footpath according to claim 1 is destroyed jockey, it is characterized in that: end cap [1], have screw in the middle of compressing copper sheet [5], base [2], screw passes from screw, and wherein screw is a bit larger tham major diameter of thread through the screw that compresses copper sheet [5].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105740574A CN102142622A (en) | 2010-12-06 | 2010-12-06 | Damage-free connection device between leads with different diameters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105740574A CN102142622A (en) | 2010-12-06 | 2010-12-06 | Damage-free connection device between leads with different diameters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102142622A true CN102142622A (en) | 2011-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105740574A Pending CN102142622A (en) | 2010-12-06 | 2010-12-06 | Damage-free connection device between leads with different diameters |
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| Country | Link |
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| CN (1) | CN102142622A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106526325A (en) * | 2016-11-21 | 2017-03-22 | 北京航天新风机械设备有限责任公司 | Crimping resistance nondestructive measurement tool |
| CN110514919A (en) * | 2019-07-08 | 2019-11-29 | 上海市计量测试技术研究院(中国上海测试中心、华东国家计量测试中心、上海市计量器具强制检定中心) | Harness coupling test device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4999023A (en) * | 1989-11-14 | 1991-03-12 | Unisys Corporation | High density low reactance socket |
| CN2082031U (en) * | 1991-01-05 | 1991-07-31 | 王亚飞 | Combined nondestructive connector of conducting wire |
| CN2388721Y (en) * | 1999-07-29 | 2000-07-19 | 广州擎天成套装备实业有限公司 | Quick terminal box |
-
2010
- 2010-12-06 CN CN2010105740574A patent/CN102142622A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4999023A (en) * | 1989-11-14 | 1991-03-12 | Unisys Corporation | High density low reactance socket |
| CN2082031U (en) * | 1991-01-05 | 1991-07-31 | 王亚飞 | Combined nondestructive connector of conducting wire |
| CN2388721Y (en) * | 1999-07-29 | 2000-07-19 | 广州擎天成套装备实业有限公司 | Quick terminal box |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106526325A (en) * | 2016-11-21 | 2017-03-22 | 北京航天新风机械设备有限责任公司 | Crimping resistance nondestructive measurement tool |
| CN106526325B (en) * | 2016-11-21 | 2023-10-03 | 北京新风航天装备有限公司 | Nondestructive measurement tool for crimping resistance |
| CN110514919A (en) * | 2019-07-08 | 2019-11-29 | 上海市计量测试技术研究院(中国上海测试中心、华东国家计量测试中心、上海市计量器具强制检定中心) | Harness coupling test device |
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Application publication date: 20110803 |