CN203800198U - Bushing improved structure enabling easy entry into a terminal - Google Patents

Abstract

The utility model provides a bushing improved structure enabling easy entry into a terminal. The improved design provided by the utility model is mainly to enable core wires of a wire rod to be smoothly bonded with the terminal. According to the structural design of the bushing improved structure, a guide lining is plugged in a bushing which sleeves a terminal bunching opening from a diameter-expanding end; an inner diameter hole manufactured on the guide lining is a non-isometric guide arc surface-shaped; the diameter of the front end opening of the guide lining is equal to or slightly smaller than the diameter of the terminal bunching opening; and therefore, when the core wires of the wire rod are to be inserted into the bunching opening which is combined with the terminal, the core wires can be inserted in to the terminal bunching opening easily and smoothly through smooth guide of the arc of the inner diameter hole of the guide lining, and the problem of the crimping and outward turning of the core wires which are caused by the proneness of the core wires to the blocking of the edge of the terminal bunching opening can be solved, and therefore, assembly quality and conduction efficiency of the core wires of the wire rod can be greatly improved, and a better industrial utilization value can be realized.

Description

Terminal easily enters formula sleeve pipe structure-improved

Technical field

The utility model relates to a kind of terminal and easily enters formula sleeve structure, mainly be combined and design with the insert group of terminal for the stamen line of the wire rods such as power line, signal line, by the guide bushings inner diameter hole plugging at sleeve pipe hole enlargement end, plan, when being inserted, its stamen line at wire rod obtained the suitable guide effect of arc, make wire rod stamen line be easier in inserted terminals bundle mouth, thereby can promote group goods matter and the conductive performance of its integral body, with the industrial utilization of Da Gengjia.

Background technology

Press; general electric equipment or electronic product; often can setting tool there be the wire rods such as power line or signal line as external link; with group, connect peripheral equipment; and convenience in order to connect group and to take out stitches; conventionally adopt clamped nipple design, and in response to its different objects of connection, design the terminal of different types, with it, facilitated terminal is linked to default terminal base.

And in the link group system of this type of wire rod and terminal, refer to Fig. 1, shown in 2, mainly that terminal 10 is wanted to set up in conjunction with one end of wire rod 13 the bundle mouth 11 that is slightly snare shape, again by this bundle mouthful 11 sheathed sleeve pipe 12 one end that are mounted on an another system, this sleeve pipe 12 is generally the spool moulding of tailoring on demand that adopts rubber plastic cement material to make, and the another end reaming of sleeve pipe 12 is to a hole enlargement cover spigot, in order to do supplying the stamen line 14 of the wire rod 13 after peeling in this end is inserted into the bundle mouth 11 of terminal 10, with instrument, apply pressure to bundle mouth 11 positions of terminal 10 again, make it to be out of shape the stamen line 14 of solid clamp material 13, must complete the group combination processed of terminal 10 and wire rod 11.

Yet, with regard to front taking off combining structure, see it, because the stamen line of wire rod is to be made into bar pencil by most copper wire collection, after the crust of wire rod is divested, often can make the copper wire of stamen line be a loose shape, though can make its collection be made into bundle by suitable being twined, but when wanting to be inserted into the bundle mouth of terminal, probably because of the end face of the terminal bundle mouth local backstop to stamen line, cause the local copper wire of stamen line to be subject to the backstop of bundling port end face and oppositely to circumnutate to turn up, affect the group goods matter of its integral body, another aspect also may affect its transmission quality, even produce noise problem, from being necessary to manage to solve improvement.

For solving this problem of class, there is dealer partly to carry out structural improvement design for the sleeve pipe of terminal, refer to Fig. 3, shown in 4, it is mainly to adopt molded and shaped for the sleeve pipe 22 of terminal 20 and wire rod 24 insert group combinations, make sleeve pipe 22 one end moulding for the necking of terminal 20 bundle mouthful 21 insertings, another end is the hole enlargement mouth of moulding confession wire rod 24 insertings, and guide baffle ring 23 in the interface place moulding one of necking and hole enlargement mouth, and make this guiding baffle ring 23 planar with respect to one end moulding arc guide of hole enlargement mouth, in order to do by the stamen line 25 after wire rod 24 peelings during from the bundle mouth 21 of the hole enlargement mouth inserted terminals 20 of sleeve pipe 22, stamen line 25 can be in the arc guide face of guiding baffle ring 23 be taken advantage of a situation the bundle mouth 21 of inserted terminals 20, the situation that not having circumnutates turns up occurs, phase can promote its group goods matter.

Yet, on the structure-improved taken off, the guiding baffle ring design because of its inside pipe casing, causes it only can manufacture in molded and shaped mode, compared to the known pipe box of tailoring again expansion-molding of adopting, not only increased opening of mould expense processed, group efficiency processed is also influenced simultaneously, virtually causes its integral body to produce the increase of cost, relatively compressed its profit, be unfavorable for the economic benefit that industry is utilized, from difficulty, be called desirable perfect design, be necessary to give again to solve and improve.

Utility model content

Because problem and disappearance that known terminal faces on insert group is combined with wire rod, the purpose of this utility model is to provide a kind of terminal and easily enters formula sleeve structure, as its name suggests, improvement design via structure, make the bundle mouth of the easier inserted terminals of stamen line of wire rod, avoid that it is produced to cost simultaneously and cause significantly increase, practicality and economic benefit that the industry that can have concurrently is utilized.

For achieving the above object, the utility model is taked following technical scheme:

Terminal easily enters a formula sleeve pipe structure-improved, and it comprises:

One terminal, its setting tool has the joint of connection device, and at one end extends and roll the bundle mouth that is without exception loop shaped, this bundle mouth stamen line insert group combination for wire rod;

One sleeve pipe, its one end is the necking end that agrees with terminal bundle mouth external diameter, in order to do inserting combination for the bundle muzzle of terminal, sleeve pipe another end reaming is hole enlargement mouth end, makes the wire rod can be by this end inserting; And

One wire rod, covers center stamen line with insulation meter suitcase and is formed, and before wanting insert group joint terminal, needs first by the insulation de-epithelization of this end, makes inner stamen line exposed, then it bundle mouth by the hole enlargement mouth end inserted terminals of sleeve pipe is inner;

This inside pipe casing is before wire rod stamen line inserts, at the hole enlargement mouth end plug of this sleeve pipe, be equipped with in advance the guide bushings of an another system, this guide bushings front end is made as chi footpath and is the derivation port that is coincident with this terminal bundle mouth internal diameter, make to be appeared by wire rod stamen line direction of insertion no-terminal bundling port end face, its rear end is the importing port of large size enlarging, at this derivation port, set up into the not isometrical inner diameter hole of leading cambered surface kenel with importing between port, use the guide member that can be used as wire rod stamen line inserted terminals bundle mouth, make wire rod stamen line can smooth and easy insertion this terminal bundle mouth inner and without the anxiety that circumnutates and turn up.

The derivation port internal diameter of described guide bushings is slightly less than terminal bundle mouth internal diameter.

The beneficial effects of the utility model are: in order to make the stamen line of wire rod be easier to the bundle mouth of inserted terminals, avoid significantly increasing it simultaneously and produce cost, the utility model is in structural design, at the hole enlargement end of sleeve pipe, be inserted in the guide bushings of an another system, make the inner diameter hole of lining be waney cambered surface kenel of leading, particularly the chi footpath of the front port of guide bushings is conform to or be slightly less than the chi footpath of terminal bundle mouth, according to this wish by the stamen line Intercalation of wire rod when the bundle mouth of terminal is inner, can pass through the arc of guide bushings inner diameter hole along guiding, make stamen line more easily and swimmingly in inserted terminals bundle mouth, the anxiety of effectively avoiding stamen line copper wire to circumnutate and turn up, and this guide bushings is compared the structure of the inner moulding guiding of known sleeve baffle ring, its cost is relatively cheap, unlikelyly cause the significantly increase that produces cost.

Terminal of the present utility model easily enters formula sleeve structure, composition design via its structure, the guide bushings planning of establishing with sleeve pipe hole enlargement end plug, make it when by the bundle mouth of the skinned stamen line of wire rod inserted terminals, can mat its lead cambered surface and little chi footpath port design, stamen line is led smoothly and insert in bundle mouth, the unlikely bundling port end face backstop that is subject to, naturally do not have the situation appearance that stamen line circumnutates and turns up, thereby can promote its group goods matter and conductive performance, and producing aspect cost and can't significantly increase, practicality and the economic benefit with industry, utilized.

Accompanying drawing explanation

Fig. 1: be known structure decomposing schematic representation.

Fig. 2: be known terminal and wire rod insert group structural relation action schematic diagram.

Fig. 3: be another known structure decomposing schematic representation.

Fig. 4: be another known terminal and wire rod insert group structure action relationships schematic diagram.

Fig. 5: be STRUCTURE DECOMPOSITION schematic diagram of the present utility model.

Fig. 6: be the structural representation of the utility model terminal and wire rod insert group.

Fig. 7: be the structure action relationships schematic diagram of the utility model terminal and wire rod insert group.

Drawing reference numeral:; 10: terminal; 11: bundle mouthful; 12: sleeve pipe; 13: wire rod; 14: stamen line; 20: terminal; 21: bundle mouthful; 22: sleeve pipe; 23: guiding baffle ring; 24: wire rod; 25: stamen line; 30: terminal; 31: joint; 32: bundle mouthful; 40: sleeve pipe; 41: necking end; 42: hole enlargement mouth end; 50: guide bushings; 51: derive port; 52: import port; 53: inner diameter hole; 60: wire rod; 61: stamen line; 62: insulation epidermis.

Embodiment

Refer to shown in Fig. 5～7, better enforcement kenel of the present utility model is described, as shown in the figure, the utility model, in structural design, mainly comprises:

One terminal 30, its setting tool has the joint 31 of connection device, round end, the first-class various different kenel designs of ㄚ are done in the visual user demand of its joint 31, and at one end extend and roll the bundle mouth 32 that is without exception loop shaped, and this bundle mouthful 32 use are for the stamen line 61 insert group combinations of wire rod 60;

One sleeve pipe 40, the spool of making by rubber plastic cement material is cut moulding according to predetermined dimension, its one end is the necking end 41 that agrees with terminal 30 bundle mouthful 31 external diameters, in order to do the bundle mouth 32 inserting combinations for terminal 30, sleeve pipe 40 another ends reaming are hole enlargement mouth end 42, make guide bushings 50 and the wire rod 60 of another system can be by this end inserting;

One guide bushings 50, for adopting rubber plastic cement material, make, can be placed in inside pipe casing by the hole enlargement mouth end plug of sleeve pipe 40, its front end is made as chi footpath and is the derivation port 51 that conforms to or be slightly less than terminal 30 bundle mouthful 32 internal diameters, its rear end is the importing port 52 of large size enlarging, at derivation port 51, set up into the not isometrical inner diameter hole 53 of leading cambered surface kenel with importing 52 of ports, use the guide member that can be used as wire rod 60 stamen line 61 inserted terminals 30 bundle mouths 32; And

One wire rod 60, can be the wire rod of the various conductions such as signal line, power line or signal transmission, for being scratched to concentrate by stranded copper wire or other conductor wire, be made into stamen line 61, at the outside coated insulation epidermis 62 of stamen line 61, form again, before wanting insert group joint terminal 30, need first the insulation epidermis 62 of this end to be divested, make inner stamen line 61 exposed, by it, the hole enlargement mouth end 42 by sleeve pipe 40 inserts again, and passes guide bushings 50 and bundle mouth 32 inside of inserted terminals 30.

Accordingly, via on take off structure and form design, utilize this guide bushings of setting up 50 to plug in sleeve pipe 40 inside, make it derive port 51 to terminating in terminal 30 bundle mouthful 32 trailing edges, because the chi footpath of this derivation port 51 is the aperture that conforms to or be slightly less than terminal 30 bundles mouthfuls 32, so stamen line 61 direction of insertion by wire rod 60 are seen it, to not have the terminal 30 bundles mouthful formed stop surface of 32 end face exists, what coordinate these guide bushings 50 inner diameter holes 53 leads cambered surface kenel, while making stamen line 61 insertion of wire rod 60, can be subject in the guiding collection bundle mouth 32 whole and inserted terminals 30 swimmingly of guide bushings 50, recycling tool holder pressure side 30 bundle mouths 32 are to make it distortion, be able to the insert group relation of fixed terminal 30 and wire rod 60 stamen lines 61, form a kind of sleeve structure that easily enters formula.

, terminal of the present utility model easily enters formula sleeve structure, composition design via its structure, it is combined with the insert group of terminal bundle mouth at wire rod stamen line, can be by the guide bushings of pipe box internal sleeve plug one another system, make wire rod stamen line be able in the bundle mouth of inserted terminals more easily and be unlikelyly subject to backstop and cause the local copper wire of the stamen line situation of turning up that circumnutates to occur, not only can significantly promote its group goods matter, can obtain preferably conductive performance simultaneously, another aspect does not change the molding mode of sleeve pipe because of it, and the cost of its guide bushings is also very cheap, so the utility model is being obtained in the usefulness of insert group easily of wire rod stamen line and terminal bundle mouth, can't cause the significantly increase of its whole manufacturing cost, thereby can give better industrial economy benefit and practical value.

In sum, terminal of the present utility model easily enters the improvement of formula sleeve structure, composition design via structure, really can solve not most perfect problem and the disappearance of known structure, not only can promote its group goods matter and conductive performance, more can take into account its industrial economy benefit, generally speaking, really can yet be regarded as an excellence, outstanding innovative design, whence proposes patent application in accordance with the law.

Claims (2)

1. terminal easily enters a formula sleeve pipe structure-improved, and it comprises:

One terminal, its setting tool has the joint of connection device, and at one end extends and roll the bundle mouth that is without exception loop shaped, this bundle mouth stamen line insert group combination for wire rod;

One sleeve pipe, its one end is the necking end that agrees with terminal bundle mouth external diameter, in order to do inserting combination for the bundle muzzle of terminal, sleeve pipe another end reaming is hole enlargement mouth end, makes the wire rod can be by this end inserting; And

One wire rod, covers center stamen line with insulation meter suitcase and is formed, and before wanting insert group joint terminal, needs first by the insulation de-epithelization of this end, makes inner stamen line exposed, then it bundle mouth by the hole enlargement mouth end inserted terminals of sleeve pipe is inner; It is characterized in that:

This inside pipe casing is before wire rod stamen line inserts, at the hole enlargement mouth end plug of this sleeve pipe, be equipped with in advance the guide bushings of an another system, this guide bushings front end is made as chi footpath and is the derivation port that is coincident with this terminal bundle mouth internal diameter, make to be appeared by wire rod stamen line direction of insertion no-terminal bundling port end face, its rear end is the importing port of large size enlarging, at this derivation port, set up into the not isometrical inner diameter hole of leading cambered surface kenel with importing between port, use the guide member that can be used as wire rod stamen line inserted terminals bundle mouth, make wire rod stamen line can smooth and easy insertion this terminal bundle mouth inner and without the anxiety that circumnutates and turn up.

2. according to terminal claimed in claim 1, easily enter formula sleeve pipe structure-improved, it is characterized in that, the derivation port internal diameter of described guide bushings is slightly less than terminal bundle mouth internal diameter.