CN102790300B - Straightly-inserted terminal with low inserting force and high extracting force - Google Patents
Straightly-inserted terminal with low inserting force and high extracting force Download PDFInfo
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- CN102790300B CN102790300B CN201210284433.5A CN201210284433A CN102790300B CN 102790300 B CN102790300 B CN 102790300B CN 201210284433 A CN201210284433 A CN 201210284433A CN 102790300 B CN102790300 B CN 102790300B
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- elastic arm
- straight cutting
- slot
- terminal
- cutting terminal
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Abstract
The invention relates to a straightly-inserted terminal with a low inserting force and a high extracting force. The straightly-inserted terminal comprises a cable connecting part and a wiring female terminal which are linearly connected, wherein the wiring female terminal comprises a slot; arc tubular side walls are arranged on two sides of the slot; two clearances are formed in the bottom of the slot and an elastic arm is formed between the two clearances; a central expanding part is formed in the middle of the elastic arm; and the width of the central expanding part is greater than the widths of two ends of the elastic arm. Due to the arrangement of the central expanding part, the stress area is increased when a male wiring terminal is connected, further a greater elasticity for the elastic arm can be generated and the elasticity is enabled to exert the action during inserting and the male wiring terminal is easily inserted; and in addition, after being inserted, the male wiring terminal can be stably connected and is extracted by using greater effort.
Description
Technical field
The present invention relates to a kind of binding post, specifically a kind of straight cutting terminal with low insertion force, high withdrawal force, belongs to wiring element, connector technique field.
Background technology
Binding post is for realizing a kind of accessory product be electrically connected, the industrial category belonging to connector, be widely used in electric field, as ballast, transformer, Switching Power Supply, instrument and meter, IT communication, warning device, lift facility, illumination, household electrical appliance etc.Along with industrial automatization is more and more higher and industrial requirements is more and more stricter, accurately, the performance such as wiring flexibility, connection reliability of pair of wire connection terminals all proposes higher requirement.
Fig. 1 gives a kind of straight cutting terminal of the prior art, is mainly used in, in the electric equipments such as household electrical appliance, automobile, motorcycle, realizing connection.One end of this straight cutting terminal is one, and for pushing down the cable connections 1 of heart yearn, the other end is a wiring female terminal 2, described heart yearn connecting portion 1 and wiring female terminal 2 linearly mode.The structure of described wiring female terminal 2 is as described in Chinese patent 20112048636.8, in this technical scheme, disclose a kind of conversion terminal, comprise one the is pushed down cable core portion that pushes down 12 for the covering portion 11 and of wrapping up cable, the described portion 12 that pushes down is connected with a wiring female terminal 2, the two side of the slot of described wiring female terminal 2 is formed by aduncate curved pipe, elastic arm 213 is formed in the bottom transverse of described slot, described elastic arm is bar shaped, its formation gap, both sides 212, is provided with screens salient point 4 at the center of described elastic arm.In use, when wiring male terminal as inserted sheet insert as described in wiring female terminal time, described elastic arm can the upper and lower fine motion of elasticity, described inserted sheet can be inserted smoothly, described inserted sheet is provided with the concave point corresponding with described screens salient point, after inserting, described screens salient point mates with the concave point of described wiring male terminal, described wiring female terminal and wiring male terminal firmly can be blocked.But, due to described elastic arm horizontally set, length is shorter, although described elastic arm can elastic movement up and down when described wiring male terminal inserts, but because its length is shorter, described elastic arm can the scope of elastic movement less, and there is larger resistance, therefore, need to use very large power inserted sheet could be inserted, inconvenient when not only using, and use larger power insertion all to have larger damage to described wiring female terminal and wiring male terminal, affect its useful life.The conveniently insertion of described inserted sheet, if the degree of depth of described slot notch is done excessive, then affect its insert after fastness.Therefore, described straight cutting terminal is difficult to accomplish to have less resistance when inserting wiring male terminal, is connected firmly after insertion.
Summary of the invention
Technical problem to be solved by this invention is the wiring female terminal of straight cutting terminal in prior art, can not have little Cat-in resisting force simultaneously and be connected with stable after insertion, thus provide the straight cutting terminal of a kind of low insertion force, high withdrawal force.
For solving the problems of the technologies described above, the invention provides a kind of straight cutting terminal, comprise a cable connections and a wiring female terminal of straight line connection, described wiring female terminal comprises a slot, the both sides of described slot are arced tube sidewall, and the bottom of described slot forms twice gap, form elastic arm between described twice gap, the middle part of described elastic arm forms Center Extender portion, and the width in described Center Extender portion is greater than the width at described elastic arm two ends.
Straight cutting terminal of the present invention, described gap and described elastic arm are longitudinally shaping along the grafting direction of described slot.
Straight cutting terminal of the present invention, the length of described elastic arm is 5.5mm-6.5mm.
Straight cutting terminal of the present invention, the length of described elastic arm is 6mm.
Straight cutting terminal of the present invention, described Center Extender portion is circular.
Straight cutting terminal of the present invention, the width in described Center Extender portion is 1.5-3mm, and the width at described elastic arm two ends is 0.8-1.0mm.
Straight cutting terminal of the present invention, the diameter of the circle in described Center Extender portion is 2.5mm, and the width at described elastic arm two ends is 0.9mm.
Straight cutting terminal of the present invention, described Center Extender portion is arranged on the one end near described slot notch.
Straight cutting terminal of the present invention, described Center Extender portion is provided with screens salient point, and the height of described screens salient point increases progressively from the one end near described slot notch to the other end.
Straight cutting terminal of the present invention, the inwall of the arced tube sidewall of described slot forms positive stop lug boss.
Technique scheme of the present invention has the following advantages compared to existing technology:
(1) straight cutting terminal of the present invention, comprise cable connections and the wiring female terminal of straight line connection, described wiring female terminal comprises a slot, and the both sides of described slot are arced tube sidewall, the bottom of described slot forms twice gap, forms elastic arm between described twice gap.The middle part of described elastic arm forms Center Extender portion, and the width in described Center Extender portion is greater than the width at described elastic arm two ends.By arranging described Center Extender portion, lifting surface area is increased when wiring male terminal accesses, thus larger elastic force can be produced to described elastic arm, when guaranteeing to insert, elastic force plays a role, described wiring male terminal is easily inserted, and connection that can be firm after inserting, need larger strength when extracting.
(2) straight cutting terminal of the present invention, described gap and described elastic arm are longitudinally shaping along the grafting direction of described slot, the above-mentioned elastic arm longitudinally arranged, when wiring male terminal inserts described wiring female terminal, elastic movement can be produced, because elastic arm is longitudinally arranged, just can produce elastic movement when wiring male terminal inserts, easily insert.Compared with the elastic arm of horizontally set, there is larger sphere of action.The elastic arm longitudinally arranged during insertion, elastic arm and described wiring male terminal longer for time of contact, therefore, the time that can play elastic reaction is long, and sphere of action is wide, therefore when wiring female terminal is connected with wiring male terminal, required insertion dynamics is less, after connection completes, due to the effect of elastic force, described wiring male terminal has good fastness.The stable technical problem be connected after straight cutting terminal of the present invention effectively prevent in prior art and is difficult to realize having less Cat-in resisting force and insertion is a kind of straight cutting terminal with low insertion force, high withdrawal force.
(2) straight cutting terminal of the present invention, the length of described elastic arm is 5.5mm-6.5mm, preferred 6mm.Straight cutting terminal of the prior art, the length of transverse elasticity arm is owing to being subject to the restriction of bottom width, the length dimension of its design is 4.95mm, width is 2.1mm, the present invention is owing to have employed longitudinal setting, its length is not by the restriction of transverse width, what can arrange is longer as 6mm, therefore the scope of elastic force effect is larger, better elastic effect has been given play to than the elastic arm of horizontally set in prior art, reduce resistance during insertion, enhance the pressure after insertion, ensure that low insertion force and high withdrawal force.
(3) straight cutting terminal of the present invention, Center Extender portion can be circular, and diameter is 1.5-3mm, preferred 2.5mm; The width at described elastic arm two ends is 0.8-1.0mm, preferred 0.9mm, Center Extender portion can strengthen wiring male terminal be connected with wiring female terminal after releasing area, strengthen its positive pressure, insert time can produce larger elastic force, be convenient to insert.What arranged by the width of elastic arm in the present invention is narrower as 0.9mm, and in prior art, the width of transverse elasticity arm is 2.1mm, and the elastic arm therefore in the present invention has better elastic force, plays better elastic effect.
(4) straight cutting terminal of the present invention, described Center Extender portion is arranged on the one end near described slot notch, can its effect of performance as early as possible after wiring male terminal inserts.In addition, described Center Extender portion can also arrange screens salient point further, and after wiring female terminal is connected with wiring male terminal, described screens salient point coordinates with the retaining groove on wiring male terminal, produce larger frictional resistance when extracting, further ensure the steadiness after connection.
(5) straight cutting terminal of the present invention, the inwall of the arced tube sidewall of described slot forms positive stop lug boss, after wiring male terminal wiring female terminal as described in inserted sheet insertion, described inserted sheet can block by described positive stop lug boss further, strengthens further and connects effect.
Accompanying drawing explanation
In order to make content of the present invention be more likely to be clearly understood, below in conjunction with accompanying drawing, the present invention is further detailed explanation, wherein,
Fig. 1 is the stereogram of straight cutting terminal in prior art;
Fig. 2 is the stereogram of straight cutting terminal of the present invention;
Fig. 3 is the front view of straight cutting terminal of the present invention.
In figure, Reference numeral is expressed as: 1-cable connections, 11-parcel, and 12-pushes down portion, 2-wiring female terminal, 21-slot, 211-arced tube sidewall, 212-gap, 213-elastic arm, 214-Center Extender portion, 4-screens salient point.
Embodiment
Provide the embodiment of straight cutting terminal of the present invention below.
Embodiment 1:
Straight cutting terminal of the present invention, structure as shown in Figure 2, comprises a cable connections 1 and a wiring female terminal 2 of straight line connection.Described cable connections 1, for connection cable, generally includes the covering portion 11 for wrapping up cable and the portion that pushes down 12 for pushing down cable core.Described wiring female terminal 2 for connecting wiring male terminal, as inserted sheet etc.Described wiring female terminal 2 comprises a slot 21, and the both sides of described slot 21 are arced tube sidewall 211, and the bottom of described slot 21 forms twice gap 212, and gap herein is longitudinally arranged, and as shown in Figure 3, the width in described gap is set to 0.25mm.Form elastic arm 213 between described twice gap 212, the length of described elastic arm 213 is 6mm, and two ends width is 0.9mm.The middle part of described elastic arm 213 forms Center Extender portion 214, sees Fig. 3, and the width in described Center Extender portion 214 is greater than the width at described elastic arm 213 two ends.In the present embodiment, described Center Extender portion 214 is circular, and diameter is 2.5mm, and the notch near described slot 21 is arranged.
As the execution mode that can convert, the length of described elastic arm 213 can also be 5.5mm or 6.5mm, and two ends width is 0.8 or 1.0mm; The width in described gap 212 can be 0.2mm or 0.3mm; The round diameter in described Center Extender portion 214 is 1.5mm or 3mm.
Embodiment 2:
On the basis of the straight cutting terminal described in above-described embodiment, the inwall of the arced tube sidewall 211 of described slot 21 can also form positive stop lug boss.Described Center Extender portion 214 is provided with screens salient point 4, the height of described screens salient point 4 increases progressively from one end of the notch near described slot 21 to the other end, see Fig. 3. such structure seamlessly transits when inserting wiring male terminal, easy insertion, when extracting, there is groove structure, therefore be not drawn out easily, make the effect of low insertion force, high withdrawal force more obvious.Further, can also be provided with stop salient point in the bottom of described slot 21 away from one end of the notch of described slot 21, the outside of described elastic arm 213, described stop salient point can limit the access degree of depth of wiring male terminal.
The width of the elastic arm 213 of prior art straight cutting terminal is about 2.1mm, the elastic arm 213 of a straight cutting terminal of the present invention and the stressed contrast of prior art Elastic arm 213 is provided in following table 1, can find out that new construction of the present invention has less stressed, therefore there is less insertion force.
Table 1
Insertion force, the withdrawal force of straight cutting terminal of the present invention and flag terminal of the prior art are tested, and result is as shown in table 2 below.
Table 2
Can find out the straight cutting terminal described in invention from above-mentioned experimental data, compared with straight cutting terminal of the prior art, insertion force reduces obviously, and withdrawal force also increases simultaneously, has low insertion force, high withdrawal force.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to execution mode.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all execution modes.And thus the apparent change of extending out or variation be still among the protection range of the invention.
Claims (10)
1. the straight cutting terminal of a low insert power high extracting power, comprise a cable connections (1) and a wiring female terminal (2) of straight line connection, described wiring female terminal (2) comprises a slot (21), the both sides of described slot (21) are arced tube sidewall (211), it is characterized in that: the bottom of described slot (21) forms twice gap (212), elastic arm (213) is formed between described twice gap (212), the middle part of described elastic arm (213) forms Center Extender portion (214), the width of described Center Extender portion (214) is greater than the width at described elastic arm (213) two ends.
2. straight cutting terminal according to claim 1, is characterized in that, described gap (212) and described elastic arm (213) are longitudinally shaping along the grafting direction of described slot (21).
3. straight cutting terminal according to claim 2, is characterized in that, the length of described elastic arm (213) is 5.5mm-6.5mm.
4. straight cutting terminal according to claim 3, is characterized in that, the length of described elastic arm (213) is 6mm.
5. straight cutting terminal according to claim 1, is characterized in that, described Center Extender portion (214) is circular.
6. straight cutting terminal according to claim 5, is characterized in that, the width of described Center Extender portion (214) is 1.5-3mm, and the width at described elastic arm (213) two ends is 0.8-1.0mm.
7. straight cutting terminal according to claim 6, is characterized in that, the diameter of the circle of described Center Extender portion (214) is 2.5mm, and the width at described elastic arm (213) two ends is 0.9mm.
8. the straight cutting terminal according to any one of claim 1-7, is characterized in that, described Center Extender portion (214) is arranged on the one end near described slot (21) notch.
9. according to Claim 8 according to any one of straight cutting terminal, it is characterized in that, described Center Extender portion (214) is provided with screens salient point (4), the height of described screens salient point (4) increases progressively from the one end near described slot (21) notch to the other end.
10. the straight cutting terminal according to any one of claim 9, is characterized in that, the inwall of the arced tube sidewall (211) of described slot (21) forms positive stop lug boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210284433.5A CN102790300B (en) | 2012-08-10 | 2012-08-10 | Straightly-inserted terminal with low inserting force and high extracting force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210284433.5A CN102790300B (en) | 2012-08-10 | 2012-08-10 | Straightly-inserted terminal with low inserting force and high extracting force |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102790300A CN102790300A (en) | 2012-11-21 |
| CN102790300B true CN102790300B (en) | 2014-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210284433.5A Active CN102790300B (en) | 2012-08-10 | 2012-08-10 | Straightly-inserted terminal with low inserting force and high extracting force |
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| CN (1) | CN102790300B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106329220B (en) * | 2016-09-23 | 2019-07-26 | 东莞安庆五金有限公司 | Winding displacement connection terminal production method |
| CN107492721B (en) * | 2017-09-01 | 2023-06-30 | 厦门广泓工贸有限公司 | Wire-plugging connection metal terminal with button and connector |
| CN112436309A (en) * | 2020-10-27 | 2021-03-02 | 安徽晨越电子有限公司 | Multi-core electronic wire harness and processing method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0387683A2 (en) * | 1989-03-17 | 1990-09-19 | Yazaki Corporation | Electric connector |
| US4976635A (en) * | 1990-04-09 | 1990-12-11 | Molex Incorporated | Locking electrical connector |
| CN2472317Y (en) * | 2001-04-12 | 2002-01-16 | 顺德市格兰仕电器实业有限公司 | insulating sheath for flag terminal |
| CN201898226U (en) * | 2010-07-30 | 2011-07-13 | 健和兴端子股份有限公司 | Female terminal of connector and waterproof connector |
| CN202352850U (en) * | 2011-11-29 | 2012-07-25 | 温州市珠城电气有限公司 | Switch terminal |
| CN202749534U (en) * | 2012-08-10 | 2013-02-20 | 温州市珠城电气有限公司 | Straightly-inserting terminal with low inserting force and high pulling-out force |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020004338A1 (en) * | 1998-04-22 | 2002-01-10 | August V. Cordeiro | Selectively locking plug thermal electrical connector |
-
2012
- 2012-08-10 CN CN201210284433.5A patent/CN102790300B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0387683A2 (en) * | 1989-03-17 | 1990-09-19 | Yazaki Corporation | Electric connector |
| US4976635A (en) * | 1990-04-09 | 1990-12-11 | Molex Incorporated | Locking electrical connector |
| CN2472317Y (en) * | 2001-04-12 | 2002-01-16 | 顺德市格兰仕电器实业有限公司 | insulating sheath for flag terminal |
| CN201898226U (en) * | 2010-07-30 | 2011-07-13 | 健和兴端子股份有限公司 | Female terminal of connector and waterproof connector |
| CN202352850U (en) * | 2011-11-29 | 2012-07-25 | 温州市珠城电气有限公司 | Switch terminal |
| CN202749534U (en) * | 2012-08-10 | 2013-02-20 | 温州市珠城电气有限公司 | Straightly-inserting terminal with low inserting force and high pulling-out force |
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|---|---|
| CN102790300A (en) | 2012-11-21 |
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Address after: Yueqing City, Zhejiang province 325600 heavy rock town village in Wenzhou City Patentee after: WENZHOU CITY ZHUCHENG ELECTRICAL CO., LTD. Address before: 325602 Zhejiang city of Wenzhou province Zhejiang city Yueqing Town Industrial Zone, heavy rock Patentee before: Wenzhou City Zhucheng Electrical Co., Ltd. |