CN201549735U - Plug bush and plug-in unit thereof and connector having same - Google Patents
Plug bush and plug-in unit thereof and connector having same Download PDFInfo
- Publication number
- CN201549735U CN201549735U CN2009202057973U CN200920205797U CN201549735U CN 201549735 U CN201549735 U CN 201549735U CN 2009202057973 U CN2009202057973 U CN 2009202057973U CN 200920205797 U CN200920205797 U CN 200920205797U CN 201549735 U CN201549735 U CN 201549735U
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- China
- Prior art keywords
- elastic component
- plug
- jack
- sleeve
- unit
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- Expired - Lifetime
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Abstract
The utility model provides a plug bush and a plug-in unit thereof and a connector. The plug bush comprises an outer bush body and a first elastic piece, a first jack is also arranged inside the outer bush body along the axial direction, the first elastic piece is arranged inside the first jack and is distributed along the inner wall of the first jack, the first end of the first elastic piece is fixedly connected with the bottom part of the first jack, the second end of the first elastic piece is fixedly connected with the end part of the outer bush body, and also comprises a plug pin which is fixedly connected with the outer bush body, the plug pin is arranged inside the first jack and is arranged along the axial direction, and a first gap is formed between the first elastic piece and the plug pin. The plug-in unit comprises an inner bush body which is matched with the first gap of the plug bush and a second elastic piece which is matched with the plug pin of the plug bush. The connector can improve the connection reliability.
Description
Technical field
The utility model relates to a kind of plug connector, relates in particular to a kind of sleeve and plug-in unit of plug connector.
Background technology
Connector is the requisite important device of industrial electrical equipment equipment and charging electric vehicle field, and its core component is the Metal Contact terminal, the Metal Contact terminal is as the critical component of conduction current, not only to its contact engaging and separating force, the plug number of times has had very high requirement, and requires it that higher connection reliability is arranged.Present a kind of wire spring plug bush comprises overcoat, interior cover and metal spring silk, and described metal spring silk distributes along the inwall of interior cover, in first slit in the outer section invagination of described metal spring silk between cover and the overcoat, and with the overcoat interference fit.The bottom of cover is provided with a boss in described, forms second slit between described boss and the interior cover inwall, and section is positioned at described second slit in the described metal spring silk, and described metal spring silk is the motion of described second slit in the effect lower edge of external force.But owing to touch by the metal spring wire connection between this wire spring plug bush and the contact pin, have only a contact-making surface, after repeatedly plugging, the metal spring silk occurs loosening easily, thereby cause occurring between sleeve and the contact pin phenomenon of loose contact, make the connection reliability of plug connector reduce.
The utility model content
The utility model reduces the problem of the connection reliability of plug connector for occurring the phenomenon of loose contact in the solution prior art between sleeve and the contact pin, and a kind of plug connector that can improve the sleeve and the plug-in unit thereof of connection reliability and have this sleeve is provided.
The utility model provides a kind of sleeve, comprise the outer sleeve body and first elastic component, be provided with first jack that is provided with vertically in the described outer sleeve body, described first elastic component is positioned at described first jack and distributes along the inwall of described first jack, first end of described first elastic component is fixedlyed connected with the bottom of described first jack, second end of described first elastic component is fixedlyed connected with the end of outer sleeve body, also comprise the contact pin of fixedlying connected with outer sleeve body, described contact pin is positioned at described first jack and is provided with vertically, forms first gap between described first elastic component and the described contact pin.
The utility model provides a kind of plug-in unit, comprise the interior body that matches in first gap of above-mentioned sleeve, and second elastic component that matches with the contact pin of above-mentioned sleeve, be provided with second jack that is provided with vertically in described in the body, described second elastic component is positioned at described second jack and distributes along the inwall of described second jack, first end of described second elastic component is fixedlyed connected with the bottom of described second jack, and second end of described second elastic component is fixedlyed connected with the end of interior body.
The utility model also provides a kind of connector, comprises above-mentioned sleeve, and above-mentioned plug-in unit, and described sleeve and plug-in unit match.
The utility model compared with prior art, first elastic component by sleeve cooperates with the interior body of plug-in unit and the cooperation of the contact pin and second elastic component, making has two contact-making surfaces between sleeve and the plug-in unit, strengthen being connected between sleeve and the plug-in unit, improves the connection reliability of this plug connector.
Description of drawings
Fig. 1 is the outer sleeve body of sleeve of the present utility model and the structural representation of first binding ring;
Fig. 2 is the structural representation of sleeve of the present utility model
Fig. 3 is the structural representation of plug-in unit of the present utility model;
Fig. 4 is a sleeve of the present utility model and structural representation after plug-in unit is connected.
Embodiment
Clearer for technical problem, technical scheme and beneficial effect that the utility model is solved, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
As depicted in figs. 1 and 2, according to a kind of execution mode of the present utility model, the utility model provides a kind of sleeve, comprise the outer sleeve body 1 and first elastic component 2, be provided with first jack 3 that is provided with vertically in the described outer sleeve body 1, described first elastic component 2 is positioned at described first jack 3 and distributes along the inwall of described first jack 3, first end of described first elastic component 2 is fixedlyed connected with the bottom of described first jack 3, second end of described first elastic component 2 is fixedlyed connected with the end of outer sleeve body 1, also comprise the contact pin 4 of fixedlying connected with outer sleeve body 1, described contact pin 4 is positioned at described first jack 3 and first gap (not shown on the figure) that forms between described first elastic component 2 and the described contact pin 4 is set vertically.Outer sleeve body 1 bottom is provided with the groove with contact pin 4 interference fit, and contact pin 4 is fixedlyed connected with outer sleeve body 1, and under the preferable case: described contact pin 4 and described outer sleeve body 1 are one-body molded, are more convenient for processing and more can guarantee the precision of sleeve.
As further improvement, described sleeve also comprises the cylindrical of first binding ring, 6, the first binding rings 6 that are used to compress first elastic component, 2 second ends and the inwall interference fit of first jack 3, so that described first binding ring 6 is fixed in the end of described outer sleeve body 1.The interior circular diameter of first binding ring 6 is greater than the diameter in described first gap.Further improve, the end 1 of outer sleeve body is provided with first groove, second end of described first elastic component 2 inserts in described first groove, described first binding ring 6 only is pressed on the connecting portion of second end of described first elastic component 2 and described first groove, so that second end of described first elastic component 2 is fixedlyed connected with the end of described outer sleeve body 1, the situation that described first elastic component 2 breaks away from outer sleeve body 1 appears in the process that prevents from simultaneously to plug.Under the preferable case: described first groove is arranged on the inwall of outer sleeve body 1 and vertically and is provided with.Certainly described first groove also can be along the end that radially is arranged on described outer sleeve body 1, and still second end of first elastic component 2 inserts in this first groove that is provided with vertically and is not easy.
As further improvement, described sleeve also comprises first limit plug 7 of fixedlying connected with the bottom of first jack 3, described first limit plug 7 forms first slit with the inwall of described first jack 3, first end of described first elastic component 2 is fixedlyed connected with described first slit, be that first end of described first elastic component 2 inserts in first slit so that first end of described first elastic component 2 presses the inwall to first jack 3, thereby first end of first elastic component 2 is fixedlyed connected with the bottom of first jack 3.The two ends of first elastic component 2 are respectively by first limit plug 7 and first binding ring 6, just be fixed in described first jack 3, and the middle part of first elastic component 2 is curved, to the axis direction bending of first jack 3, the inwall of the middle part of first elastic component 2 and first jack 3 forms second gap 51.
As shown in Figure 3, according to a kind of execution mode of the present utility model, the utility model also provides a kind of plug-in unit to comprise the interior body 8 that matches with first gap of above-mentioned sleeve, and second elastic component 9 that matches with the contact pin 4 of above-mentioned sleeve, be provided with second jack (not shown on the figure) that is provided with vertically in described in the body 8, the 3rd jack that described second elastic component 9 is positioned at described second jack and distributes and form along the inwall of described second jack, first end of described second elastic component 9 is fixedlyed connected with the bottom of described second jack, and second end of described second elastic component 9 is fixedlyed connected with the end of interior body 8.
As further improvement, described plug-in unit also comprises the cylindrical of second binding ring, 10, the second binding rings 10 that are used to compress second elastic component, 9 second ends and the inwall interference fit of second jack, make described second binding ring 10 be fixed in described in the end of body 8.Diameter of a circle is greater than the diameter of the 3rd jack in second binding ring 10.When plug-in unit and sleeve cooperation, contact pin 4 can insert in the 3rd jack of described second elastic component 9.
Further improve, the end of body 8 is provided with second groove in described, second end of described second elastic component 9 inserts in described second groove, second end that described second binding ring 10 is pressed in described second elastic component 9 with the connecting portion of described second groove so that second end of described second elastic component 9 with described in the end of body 8 fixedly connected, occur in the process that prevents from simultaneously to plug described second elastic component 9 break away from the situation of body 8.Under the preferable case: be provided with on the inwall of body 8 and vertically in described second groove is arranged on.Certainly described second groove also can be along the end that radially is arranged on described interior body 8, and still second end of second elastic component 9 inserts in this second groove that is provided with vertically and is not easy.
As further improvement, described plug-in unit also comprises second limit plug 11 of fixedlying connected with the bottom of second jack, described second limit plug 11 forms second slit with the inwall of described second jack, first end of described second elastic component 9 is fixedlyed connected with second slit, first end of described second elastic component 9 inserts in second slit so that first end of described second elastic component 9 presses the inwall to second jack, thereby first end of second elastic component 9 is fixedlyed connected with the bottom of second jack.The two ends of second elastic component 9 are respectively by second limit plug 11 and second binding ring 10, just be fixed in described second jack, and the middle part of second elastic component 9 is curved, and to the axis direction bending of second jack, the inwall of the middle part of second jack and second jack forms third space 52.
As shown in Figure 4, according to a kind of execution mode of the present utility model, the utility model also provides a kind of connector, comprises above-mentioned sleeve, and above-mentioned plug-in unit, and described sleeve and plug-in unit match.When above-mentioned plug-in unit is inserted above-mentioned sleeve, the contact pin 4 of sleeve inserts second elastic component 9 in the 3rd jack of the inwall distribution formation of second jack, the middle part of second elastic component 9 is pushed by contact pin 4, stretch to the space of third space 52 at the middle part of second elastic component 9, simultaneously under the elastic return effect, the middle part that makes second elastic component 9 is to contact pin 4 close proximity, contact between contact pin 4 and second elastic component 9 closely thereby make, meanwhile, in first elastic component 2 of the interior body 8 insertion sleeves of plug-in unit and first gap that contact pin 4 forms, the middle part of first elastic component 2 is by interior body 8 extruding, stretch to the space in second gap 51 at the middle part of first elastic component 2, simultaneously under the elastic return effect, make inside body 8 close proximity in middle part of first elastic component 2, thereby contact tight in making between body 8 and first elastic component 2, therefore between this plug-in unit and the sleeve two contact-making surfaces are arranged, strengthen being connected between sleeve and the plug-in unit, improve the connection reliability of this plug connector, and all more smooth and easy in the process of plug.
First elastic component 2 and second elastic component 9 can be spring leaf or spring pad, as long as be arranged to axis direction bending to the axis direction and second jack of first jack, under the preferable case: first elastic component 2 and second elastic component 9 are the metal spring silk, the spring wire of metal makes the conductivity of plug connector good, and the metal spring silk is arranged along the inwall of first jack and second jack easily, parallel arrangement between the every metal spring silk, the axis direction of middle part first jack of every metal spring silk and the axis direction bending of second jack.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.
Claims (15)
1. sleeve, comprise the outer sleeve body and first elastic component, be provided with first jack that is provided with vertically in the described outer sleeve body, described first elastic component is positioned at described first jack and distributes along the inwall of described first jack, first end of described first elastic component is fixedlyed connected with the bottom of described first jack, second end of described first elastic component is fixedlyed connected with the end of outer sleeve body, it is characterized in that: also comprise the contact pin of fixedlying connected with outer sleeve body, described contact pin is positioned at described first jack and is provided with vertically, forms first gap between described first elastic component and the described contact pin.
2. sleeve as claimed in claim 1 is characterized in that: described outer sleeve body and described contact pin are one-body molded.
3. sleeve as claimed in claim 1 is characterized in that: described sleeve also comprises first binding ring that is used to compress first elastic component, second end, and described first binding ring is fixed in the end of described outer sleeve body.
4. sleeve as claimed in claim 2, it is characterized in that: the end of described outer sleeve body is provided with first groove, second end of described first elastic component inserts in described first groove, and described first binding ring is pressed in second end of described first elastic component and the connecting portion of described first groove.
5. sleeve as claimed in claim 4 is characterized in that: described first groove is arranged on the inwall of outer sleeve body and vertically and is provided with.
6. sleeve as claimed in claim 4 is characterized in that: the inwall interference fit of the cylindrical of described first binding ring and described outer sleeve body.
7. sleeve as claimed in claim 1, it is characterized in that: described sleeve also comprises first limit plug of fixedlying connected with the bottom of first jack, the inwall of described first limit plug and described first jack forms first slit, and first end of described first elastic component is fixedlyed connected with described first slit.
8. sleeve as claimed in claim 1 is characterized in that: described first elastic component is the metal spring silk.
9. plug-in unit, it is characterized in that: comprise the interior body that matches with first gap of sleeve according to claim 1, and second elastic component that matches with the contact pin of sleeve according to claim 1, be provided with second jack that is provided with vertically in described in the body, described second elastic component is positioned at described second jack and distributes along the inwall of described second jack, first end of described second elastic component is fixedlyed connected with the bottom of described second jack, and second end of described second elastic component is fixedlyed connected with the end of interior body.
10. plug-in unit as claimed in claim 9 is characterized in that: described plug-in unit also comprises second binding ring that is used to compress second elastic component, second end, and described second binding ring is fixed in the end of described interior body.
11. plug-in unit as claimed in claim 10, it is characterized in that: the end of body is provided with second groove in described, second end of described second elastic component inserts in described second groove, and described second binding ring is pressed in second end of described second elastic component and the connecting portion of described second groove.
12. plug-in unit as claimed in claim 11 is characterized in that: be provided with on the inwall of body and vertically in described second groove is arranged on.
13. sleeve as claimed in claim 11 is characterized in that: the inwall interference fit of the cylindrical of described second binding ring and described interior body.
14. plug-in unit as claimed in claim 9, it is characterized in that: described plug-in unit also comprises second limit plug of fixedlying connected with the bottom of second jack, the inwall of described second limit plug and described second jack forms second slit, and first end of described second elastic component is fixedlyed connected with second slit.
15. a connector is characterized in that: comprise as any described sleeve of claim 1 to 8, and as any described plug-in unit of claim 9 to 14, described sleeve and plug-in unit match.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202057973U CN201549735U (en) | 2009-09-30 | 2009-09-30 | Plug bush and plug-in unit thereof and connector having same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202057973U CN201549735U (en) | 2009-09-30 | 2009-09-30 | Plug bush and plug-in unit thereof and connector having same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201549735U true CN201549735U (en) | 2010-08-11 |
Family
ID=42604912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202057973U Expired - Lifetime CN201549735U (en) | 2009-09-30 | 2009-09-30 | Plug bush and plug-in unit thereof and connector having same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201549735U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105406239A (en) * | 2015-12-18 | 2016-03-16 | 镇江市京口润明微波器械厂 | Connection structure of connector |
| CN105428867A (en) * | 2015-12-18 | 2016-03-23 | 捷映凯电子（昆山）有限公司 | Connector for electrical vehicle |
| CN110911906A (en) * | 2019-11-29 | 2020-03-24 | 中国石油集团西部钻探工程有限公司 | Elastic pin inserting device for drilling equipment |
-
2009
- 2009-09-30 CN CN2009202057973U patent/CN201549735U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105406239A (en) * | 2015-12-18 | 2016-03-16 | 镇江市京口润明微波器械厂 | Connection structure of connector |
| CN105428867A (en) * | 2015-12-18 | 2016-03-23 | 捷映凯电子（昆山）有限公司 | Connector for electrical vehicle |
| CN110911906A (en) * | 2019-11-29 | 2020-03-24 | 中国石油集团西部钻探工程有限公司 | Elastic pin inserting device for drilling equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100811 |
|
| CX01 | Expiry of patent term |