CN102790300A - 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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- CN102790300A CN102790300A CN2012102844335A CN201210284433A CN102790300A CN 102790300 A CN102790300 A CN 102790300A CN 2012102844335 A CN2012102844335 A CN 2012102844335A CN 201210284433 A CN201210284433 A CN 201210284433A CN 102790300 A CN102790300 A CN 102790300A
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- elastic arm
- straight cutting
- slot
- terminal
- extension
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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 is 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 to be used to realize a kind of accessory product of being electrically connected; The category that belongs to connector in the industry; Be widely used in electric field, like ballast, transformer, Switching Power Supply, instrument and meter, IT communication, warning device, lift facility, illumination, household electrical appliance etc.Along with industrial automatization is increasingly high more and more stricter, accurate with industrial requirements, performances such as the wiring flexibility of pair of wire connection terminals, connection reliability have all proposed higher requirement.
Fig. 1 has provided a kind of straight cutting terminal of the prior art, is mainly used in the electric equipments such as household electrical appliance, automobile, motorcycle, realizes that circuit connects.One end of this straight cutting terminal is a cable connecting portion 1 that is used to push down heart yearn, and the other end is a wiring female terminal 2, and said heart yearn connecting portion 1 and wiring female terminal 2 be mode linearly.The structure of said wiring female terminal 2 in the Chinese patent 20112048636.8 record; In this technical scheme, a kind of conversion terminal is disclosed, comprise a coating portion 11 and the portion that pushes down 12 that pushes down the cable core that is used to wrap up cable; The said portion 12 that pushes down is connected with a wiring female terminal 2; The two side of the slot of said wiring female terminal 2 is formed by aduncate curved pipe, forms elastic arm 213 in the bottom transverse of said slot, and said elastic arm is bar shaped; Its both sides form slit 212, are provided with screens salient point 4 at the center of said elastic arm.In use; When wiring male terminal such as inserted sheet insert said wiring female terminal; Said elastic arm can elasticity fine motion up and down, make said inserted sheet to insert smoothly, said inserted sheet is provided with and the corresponding concave point of said screens salient point; Insert the concave point coupling of said screens salient point in back and said wiring male terminal, can be with said wiring female terminal and firm the blocking of wiring male terminal.But because said elastic arm horizontally set, length is shorter; Though said elastic arm elastic movement up and down when said wiring male terminal inserts, owing to its length is shorter, the scope that said elastic arm can elastic movement is less; And there is bigger resistance, therefore, needs to use very big power could inserted sheet be inserted; Inconvenient when not only using, and use bigger power insertion that said wiring female terminal and wiring male terminal are all had bigger damage, influence its useful life.The insertion of said inserted sheet for ease, if with the degree of depth of said slot notch do excessive, the fastness after then influencing it and inserting.Therefore, said straight cutting terminal has less resistance when being difficult to accomplish to insert the wiring male terminal, is connected firmly after the insertion.
Summary of the invention
Technical problem to be solved by this invention is the wiring female terminal of straight cutting terminal in the prior art, can not have little insertion resistance simultaneously and insert back stable the connection, thereby the straight cutting terminal of a kind of low insertion force, high withdrawal force is provided.
For solving the problems of the technologies described above, the present invention provides a kind of straight cutting terminal, comprises a cable connecting portion and a wiring female terminal that straight line connects; Said wiring female terminal comprises a slot; The both sides of said slot are the arc tubular sidewall, and the bottom of said slot forms the twice slit, and said twice constitute elastic arm between the slit; The middle part of said elastic arm forms the extension, center, and the width of extension, said center is greater than the width at said elastic arm two ends.
Straight cutting terminal of the present invention, said slit and said elastic arm are along the vertical moulding of grafting direction of said slot.
Straight cutting terminal of the present invention, the length of said elastic arm are 5.5mm-6.5mm.
Straight cutting terminal of the present invention, the length of said elastic arm are 6mm.
Straight cutting terminal of the present invention, extension, said center are circular.
Straight cutting terminal of the present invention, the width of extension, said center is 1.5-3mm, the width at said elastic arm two ends is 0.8-1.0mm.
Straight cutting terminal of the present invention, the diameter of the circle of extension, said center is 2.5mm, the width at said elastic arm two ends is 0.9mm.
Straight cutting terminal of the present invention, extension, said center is arranged on the end near said slot notch.
Straight cutting terminal of the present invention, extension, said center is provided with the screens salient point, and the height of said screens salient point increases progressively to the other end from the end near said slot notch.
Straight cutting terminal of the present invention forms positive stop lug boss on the inwall of the arc tubular sidewall of said slot.
Technique scheme of the present invention is compared prior art and is had the following advantages:
(1) straight cutting terminal of the present invention; Comprise cable connecting portion and wiring female terminal that straight line connects, said wiring female terminal comprises a slot, and the both sides of said slot are the arc tubular sidewall; The bottom of said slot forms the twice slit, and said twice constitute elastic arm between the slit.The middle part of said elastic arm forms the extension, center, and the width of extension, said center is greater than the width at said elastic arm two ends.Through extension, said center is set;, the wiring male terminal increases lifting surface area when inserting; Thereby can produce bigger elastic force to said elastic arm, elastic force plays a role when guaranteeing to insert, and makes said wiring male terminal insert easily; And connection that can be firm after inserting needs bigger strength when extracting.
(2) straight cutting terminal of the present invention; Said slit and said elastic arm be along the vertical moulding of grafting direction of said slot, and the elastic arm of above-mentioned vertical setting is when the wiring male terminal inserts said wiring female terminal; Can produce elastic movement; Because elastic arm vertically is provided with, and when the wiring male terminal inserts, just can produce elastic movement, insert easily.Compare with the elastic arm of horizontally set, have bigger sphere of action.The elastic arm that vertically is provided with during insertion, elastic arm and said wiring male terminal are longer time of contact, therefore; The time that can bring into play elastic reaction is long, and sphere of action is wide, therefore when the wiring female terminal is connected with the wiring male terminal; Required insertion dynamics is less; After connecting completion, because the effect of elastic force, said wiring male terminal has good fastness.Straight cutting terminal of the present invention has effectively been avoided being difficult in the prior art realize having less insertion resistance and insert the stable technical problem that is connected in back, 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 said 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 receive the restriction of bottom width, and the length dimension of its design is 4.95mm; Width is 2.1mm, and the present invention is owing to adopted vertical setting, and its length does not receive the restriction of transverse width; What can be provided with is longer like 6mm; Therefore the scope of elastic force effect is bigger, has given play to better elastic effect than the elastic arm of horizontally set in the prior art, has reduced the resistance when inserting; Strengthen the pressure after inserting, guaranteed low insertion force and high withdrawal force.
(3) straight cutting terminal of the present invention, the extension, center can be circle, diameter is 1.5-3mm, preferred 2.5mm; The width at said elastic arm two ends is 0.8-1.0mm, preferred 0.9mm, and the releasing area after the extension, center can strengthen the wiring male terminal and the wiring female terminal is connected strengthens its positive pressure, when inserting, can produce bigger elastic force, is convenient to insert.Among the present invention with the width of elastic arm be provided with narrower like 0.9mm, the width of transverse elasticity arm is 2.1mm in the prior art, so the elastic arm among the present invention has better elastic force, brings into play better elastic effect.
(4) straight cutting terminal of the present invention, extension, said center is arranged on the end near said slot notch, its effect of performance that can be as early as possible after the wiring male terminal inserts.In addition; On extension, said center, the screens salient point can also be set further, with after the wiring male terminal is connected, said screens salient point cooperates with retaining groove on the wiring male terminal at the wiring female terminal; Produce bigger frictional resistance when extracting, the steadiness after further having guaranteed to connect.
(5) straight cutting terminal of the present invention; Form positive stop lug boss on the inwall of the arc tubular sidewall of said slot; After wiring male terminal such as inserted sheet inserted said wiring female terminal, said positive stop lug boss can further block said inserted sheet, further strengthened to connect effect.
Description of drawings
For content of the present invention is more clearly understood, below in conjunction with accompanying drawing, the present invention is done further detailed explanation, wherein,
Fig. 1 is the stereogram of straight cutting terminal in the 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 according to the invention.
Reference numeral is expressed as among the figure: 1-cable connecting portion, and 11-parcel portion, 12-pushes down portion, 2-wiring female terminal, 21-slot, 211-arc tubular sidewall, 212-slit, 213-elastic arm, extension, 214-center, 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 is seen shown in Figure 2, comprises a cable connecting portion 1 and a wiring female terminal 2 that straight line connects.Said cable connecting portion 1 is used for connection cable, generally includes the coating portion 11 and the portion that pushes down 12 that is used to push down the cable core that are used to wrap up cable.Said wiring female terminal 2 is used to connect the wiring male terminal, like inserted sheet etc.Said wiring female terminal 2 comprises a slot 21, and the both sides of said slot 21 are arc tubular sidewall 211, and the bottom of said slot 21 forms twice slit 212, and the slit here vertically is provided with, and is as shown in Figure 3, and the width in said slit is set to 0.25mm.Constitute elastic arm 213 between the said twice slit 212, the length of said elastic arm 213 is 6mm, and the two ends width is 0.9mm.The middle part of said elastic arm 213 forms extension, center 214, sees Fig. 3, and the width of extension, said center 214 is greater than the width at said elastic arm 213 two ends.In the present embodiment, extension, said center 214 is circular, and diameter is 2.5mm, near the notch setting of said slot 21.
As execution mode that can conversion, the length of said elastic arm 213 can also be 5.5mm or 6.5mm, and the two ends width is 0.8 or 1.0mm; The width in said slit 212 can be 0.2mm or 0.3mm; The round diameter of extension, said center 214 is 1.5mm or 3mm.
Embodiment 2:
On the basis of the described straight cutting terminal of the foregoing description, can also form positive stop lug boss on the inwall of the arc tubular sidewall 211 of said slot 21.Extension, said center 214 is provided with screens salient point 4; The height of said screens salient point 4 increases progressively to the other end from the end near the notch of said slot 21; See Fig. 3. such structure seamlessly transits when inserting the wiring male terminal, inserts easily, when extracting, has groove structure; Therefore be not drawn out easily, make that the effect of low insertion force, high withdrawal force is more obvious.Further, can also be provided with in the bottom of said slot 21 and away from the outside of an end of the notch of said slot 21, said elastic arm 213 and to stop salient point, the said salient point that stops 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 stressed contrast of elastic arm 213 in the elastic arm 213 that provides a straight cutting terminal of the present invention in the following table 1 and the prior art; It is littler stressed to find out that new construction of the present invention has, and therefore has less insertion force.
Table 1
The insertion force of straight cutting terminal of the present invention and flag terminal of the prior art, withdrawal force experiment, the result is as shown in table 2 below.
Table 2
From above-mentioned experimental data, can find out the described straight cutting terminal of invention, compare with straight cutting terminal of the prior art that insertion force reduces obviously, withdrawal force also increases simultaneously, has low insertion force, high withdrawal force.
Obviously, the foregoing description only be for explanation clearly done for example, and be not qualification to execution mode.For the those of ordinary skill in affiliated field, on the basis of above-mentioned explanation, can also make other multi-form variation or change.Here need not also can't give exhaustive to all execution modes.And conspicuous variation of being extended out thus or change still are among the protection range of the invention.
Claims (10)
1. the straight cutting terminal of the high withdrawal force of low insertion force; Comprise a cable connecting portion (1) and a wiring female terminal (2) that straight line connects; Said wiring female terminal (2) comprises a slot (21); The both sides of said slot (21) are arc tubular sidewall (211), it is characterized in that: the bottom of said slot (21) forms twice slit (212), constitutes elastic arm (213) between the said twice slit (212); The middle part of said elastic arm (213) forms extension, center (214), and the width of extension, said center (214) is greater than the width at said elastic arm (213) two ends.
2. straight cutting terminal according to claim 1 is characterized in that, said slit (212) and said elastic arm (213) are along the vertical moulding of grafting direction of said slot (21).
3. straight cutting terminal according to claim 2 is characterized in that, the length of said elastic arm (213) is 5.5mm-6.5mm.
4. straight cutting terminal according to claim 3 is characterized in that, the length of said elastic arm (213) is 6mm.
5. straight cutting terminal according to claim 1 is characterized in that, extension, said center (214) is circular.
6. straight cutting terminal according to claim 5 is characterized in that, the width of extension, said center (214) is 1.5-3mm, and the width at said 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 extension, said center (214) is 2.5mm, and the width at said elastic arm (213) two ends is 0.9mm.
8. according to each described straight cutting terminal among the claim 1-7, it is characterized in that extension, said center (214) is arranged on the end near said slot (21) notch.
According to Claim 8 in each described straight cutting terminal, it is characterized in that extension, said center (214) is provided with screens salient point (4), the height of said screens salient point (4) increases progressively to the other end from the end near said slot (21) notch.
10. according to each described straight cutting terminal in the claim 9, it is characterized in that, form positive stop lug boss on the inwall of the arc tubular sidewall (211) of said slot (21).
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 true CN102790300A (en) | 2012-11-21 |
| CN102790300B 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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| Country | Link |
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| CN (1) | CN102790300B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106329220A (en) * | 2016-09-23 | 2017-01-11 | 东莞安庆五金有限公司 | Flat cable connecting terminal and manufacturing method thereof |
| CN107492721A (en) * | 2017-09-01 | 2017-12-19 | 厦门广泓工贸有限公司 | A kind of plug wire connection metal terminal and connector with button |
| 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 (7)
| 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 |
| US20020004338A1 (en) * | 1998-04-22 | 2002-01-10 | August V. Cordeiro | Selectively locking plug thermal 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 |
-
2012
- 2012-08-10 CN CN201210284433.5A patent/CN102790300B/en active Active
Patent Citations (7)
| 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 |
| US20020004338A1 (en) * | 1998-04-22 | 2002-01-10 | August V. Cordeiro | Selectively locking plug thermal 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 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106329220A (en) * | 2016-09-23 | 2017-01-11 | 东莞安庆五金有限公司 | Flat cable connecting terminal and manufacturing method thereof |
| CN107492721A (en) * | 2017-09-01 | 2017-12-19 | 厦门广泓工贸有限公司 | A kind of plug wire connection metal terminal and connector with button |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102790300B (en) | 2014-12-17 |
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| SE01 | Entry into force of request for substantive examination | ||
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| CP03 | Change of name, title or address |
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. |