CN204858023U - Printed wiring board electric connection shell fragment - Google Patents
Printed wiring board electric connection shell fragment Download PDFInfo
- Publication number
- CN204858023U CN204858023U CN201520599264.3U CN201520599264U CN204858023U CN 204858023 U CN204858023 U CN 204858023U CN 201520599264 U CN201520599264 U CN 201520599264U CN 204858023 U CN204858023 U CN 204858023U
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- China
- Prior art keywords
- shell fragment
- wiring board
- printed wiring
- elastic arm
- elastic
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Abstract
The utility model discloses a printed wiring board electric connection shell fragment belongs to instrument inner structure design field. This kind of shell fragment through springiness contaction, makes metal contact and metal terminal on the instrument terminal box on the printed wiring board produce electrical connection, very big simplification the mounting process. This kind of shell fragment, including connecting gradually from beginning to end fixed part A, an elastic deformation distinguishes B together, and first elastic arm C, the 2nd elastic deformation distinguish D, second elastic arm E, contact site F. Shell fragment life -span and reliability have been guaranteed in longer elastic arm and double -contact design. Fixed modes such as traditional screw, welding, use printed line connector, there have work load to be big, big, the with high costs scheduling problem of fixed structure stress. The utility model discloses simplify assembly process, wholly easily realize.
Description
Technical field
The utility model relates to gauge internal field of structural design, specifically refer to the electric connection shell fragment between a kind of printed wiring board and instrument terminal box metal terminal, refer in particular to the shell fragment realizing between the inner printed wiring board of intelligent terminal or electric energy meter and ramp box metal terminal being electrically connected.
Background technology
Intelligent instrument, as intelligent terminal class and intelligent electric energy meter series products, in power grid construction, belongs to infrastructure device, and the natural consumption that has is large, and reliability requirement is high, the requirement such as well of metering or data acquisition performance.But the inside printed wiring board of same category of device and the connected mode with electrical connection of terminal box in the market, be commonly screw crimping, or the metal terminal of terminal box is welded direct on printed wiring board, or be connected to terminal box for printed wiring board by printed line connector.Intelligent instrument powerful, major part functional realiey all needs to carry out outside by the metal terminal on terminal box and connects, the quantity such as metal terminal are more, there is large, the easy virtual connection of assembly working amount in traditional screw fixed form, screw is fixing easily produces metal fragment, may cause gauge internal short circuit.It is large that the mode of welding deposits mechanical stress after assembling, and cannot discharge, and terminal box is working of plastics, and after the environment of high-temperature soldering, possible accelerated ageing, affects useful life.Use printed line connector there is reliability and cost is difficult to the problems such as balance, and the competition of intelligent instrument product is relatively more abundant, and cost transparency is high.The quality of printed line connector product is consistent with price comparison, for ensureing reliability, using high-quality printed line connector, must cause the rising of Material Cost, is unfavorable for improving product competitiveness.
Utility model content
The technical problems to be solved in the utility model is: be electrically connected shell fragment for the electrical connection between the metal terminal on printed wiring board and instrument terminal box provides a kind of, it is characterized in that, comprise the fixed part A that head and the tail are connected in turn, first elastic deformation district B, first elastic arm C, second elastic deformation district D, the second elastic arm E, contact site F.
Described a kind of printed wiring board is electrically connected shell fragment, and it is characterized in that, fixed part A one end is bent upwards more than 90 degree, forms the first elastic deformation district B, is connected to elastic arm C.
Described a kind of printed wiring board is electrically connected shell fragment, it is characterized in that, elastic arm C top bends to the opposite direction that the first elastic deformation district B is bending, forms the second elastic deformation district D, is connected to elastic arm E.
Described a kind of printed wiring board is electrically connected shell fragment, it is characterized in that, elastic arm E top is equidirectional bending with the first elastic deformation district B, formation contact site F.
Described a kind of printed wiring board is electrically connected shell fragment, it is characterized in that, from elastic arm C top through the second deformation district D and elastic arm E to contact site, be divided into two parts, form two apexes contact points at contact site F.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below.Apparently, the accompanying drawing in the following describes is only embodiment of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.In the accompanying drawings:
Fig. 1: structural representation of the present utility model;
Fig. 2: the utility model application example cutaway view;
Embodiment
Clearly understand for making the purpose of this utility model, technical scheme and advantage, below in conjunction with the utility model embodiment cutaway view, description clear, complete is further done to the technical scheme in the utility model embodiment, obviously, described embodiment is the one of the utility model embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Fig. 1 is structural representation of the present utility model, and Fig. 2 is the utility model when being applied to energy collection terminal (concentrator), terminal box part-structure cutaway view.As shown in Figure 2, the assembly such as printed wiring board, shell fragment, metal terminal, terminal box in the present embodiment, by resilient engagement, realizes electrical connection.
Concrete, be fixed together with metal terminal on the right side of shell fragment fixed part A, metal terminal is fixed on terminal box by interference fit, and terminal box is to shell fragment at fixed part A position limited location, and terminal box leaves the space that wiring board inserts at shell fragment contact site F place.
After wiring board inserts, contact site F contacts with the hard contact on wiring board, and the reaction force of contact makes the contact site F on shell fragment move down, and produces elastic deformation at elastic deformation district B, D, and elastic deformation makes the contact on contact site F compression wiring board conversely.Wiring board and contact portion F Elastic Contact, realize electrical connection.Contact site F is double contact structure, ensures the reliability of contact.
Shell fragment is fixed by terminal box and the metal terminal be fixed on the right side of fixed part A jointly.Terminal box to produce at fixed part A shell fragment and to support and spacing, also has perpendicular to wiring board direction spacing at contact site.Ensure that wiring board inserts and in withdrawal process, shell fragment can not be caused to be shifted, shell fragment deformation can not be caused to exceed yield strength, cause elastic failure.
The double contact structure of contact site F, to downward-extension, have passed through the second elastic arm E, the second elastic deformation district D, until the upper end of the first elastic arm C.Longer standalone elastic arm, reducing the possibility lost efficacy when suffering external force to cause deformation in two contacts simultaneously, improve application reliability.
In assembling process, wiring board inserts, and is pressed down by contact site F, and shell fragment produces deformation at elastic deformation district B and D, increases elastic force arm lengths, ensures to press down in space at shell fragment, is no more than the yield strength that shell fragment material requires.
Finally it should be noted that, above embodiment only in order to the technical solution of the utility model to be described, is not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art has been to be understood that; It still can be modified to the technical scheme described in previous embodiment, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of the utility model embodiment technical scheme.
Claims (5)
1. printed wiring board is electrically connected a shell fragment, it is characterized in that, comprises the fixed part A that head and the tail are connected in turn, the first elastic deformation district B, elastic arm C, the second elastic deformation district D, elastic arm E, contact site F.
2. a kind of printed wiring board as claimed in claim 1 is electrically connected shell fragment, and it is characterized in that, fixed part A one end is bent upwards more than 90 degree, forms the first elastic deformation district B, is connected to elastic arm C.
3. a kind of printed wiring board as claimed in claim 1 is electrically connected shell fragment, it is characterized in that, elastic arm C top bends to the opposite direction that the first elastic deformation district B is bending, forms the second elastic deformation district D, is connected to elastic arm E.
4. a kind of printed wiring board as claimed in claim 1 is electrically connected shell fragment, it is characterized in that, elastic arm E top is equidirectional bending with the first elastic deformation district B, formation contact site F.
5. a kind of printed wiring board as claimed in claim 1 is electrically connected shell fragment, it is characterized in that, from elastic arm C top through the second deformation district D and elastic arm E to contact site, be divided into two parts, form two apexes contact points at contact site F.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520599264.3U CN204858023U (en) | 2015-08-05 | 2015-08-05 | Printed wiring board electric connection shell fragment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520599264.3U CN204858023U (en) | 2015-08-05 | 2015-08-05 | Printed wiring board electric connection shell fragment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204858023U true CN204858023U (en) | 2015-12-09 |
Family
ID=54748546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520599264.3U Active CN204858023U (en) | 2015-08-05 | 2015-08-05 | Printed wiring board electric connection shell fragment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204858023U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105870682A (en) * | 2016-06-07 | 2016-08-17 | 浙江精通自动控制技术有限公司 | Skylight controller printed circuit board male tab |
| CN106025580A (en) * | 2016-06-28 | 2016-10-12 | 青岛鼎信通讯股份有限公司 | Reliable connection mode for circuit board and connection terminal |
| CN106058545A (en) * | 2016-08-03 | 2016-10-26 | 深圳市国信达科技股份有限公司 | Lamp strip precise connector terminal group |
-
2015
- 2015-08-05 CN CN201520599264.3U patent/CN204858023U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105870682A (en) * | 2016-06-07 | 2016-08-17 | 浙江精通自动控制技术有限公司 | Skylight controller printed circuit board male tab |
| CN106025580A (en) * | 2016-06-28 | 2016-10-12 | 青岛鼎信通讯股份有限公司 | Reliable connection mode for circuit board and connection terminal |
| CN106058545A (en) * | 2016-08-03 | 2016-10-26 | 深圳市国信达科技股份有限公司 | Lamp strip precise connector terminal group |
| CN106058545B (en) * | 2016-08-03 | 2018-10-23 | 深圳市国信达科技股份有限公司 | A kind of lamp bar precision connector terminal group |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |