CN211789576U - Contact spring piece and plug - Google Patents
Contact spring piece and plug Download PDFInfo
- Publication number
- CN211789576U CN211789576U CN202020532826.3U CN202020532826U CN211789576U CN 211789576 U CN211789576 U CN 211789576U CN 202020532826 U CN202020532826 U CN 202020532826U CN 211789576 U CN211789576 U CN 211789576U
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- elastic sheet
- contact
- pole elastic
- pole
- plug
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Abstract
The utility model provides a contact shell fragment, include two metal shrapnels from the outstanding extension on a contact assembly body, two metal shrapnel's end is crooked folding formation folding portion in opposite directions, and the crooked part of metal shrapnel forms the portion of bending, and two opposite one sides of folding portion are all outstanding relatively and are provided with first lug, form first space that contracts between two first lugs. Therefore, the connection reliability of the contact elastic sheet and the folding head is improved, and the product is durable. The utility model also provides a plug.
Description
Technical Field
The utility model relates to an electrical apparatus plug technical field especially relates to a contact shell fragment and plug.
Background
The power adapter is used as a power supply for small portable electronic equipment and electronic appliances, and the adapter is an interface converter which can be an independent hardware interface device and allows a hardware or electronic interface to be connected with other hardware or electronic interfaces, and can also be an information interface. Such as: the power adapter, tripod base switching part, USB and serial ports's switching equipment etc.. The power adapter is provided with the two insertion pieces, so that the power adapter not only occupies more storage space, but also is inconvenient to store; it is desirable to provide a power adapter that is small and compatible with the use requirements and to ensure the reliability of the internal contacts.
For example, chinese patent application No. 201620016884.4 discloses a sliding insert structure of a power adapter plug, the body includes a housing and a sliding slot, the sliding insert is movably inserted in the sliding slot, and has a plurality of grooves on a side facing the sliding slot, a positioning elastic sheet is elastically clamped between the sliding insert and the housing, and has a projection selectively positioned in the groove on a side facing the sliding insert, a cover plate is blocked at an outer side of the sliding insert and is locked on the housing by a plurality of screws.
In the structure, when the deformation angle of the L pole/N pole elastic sheet is increased, metal fatigue deformation or insufficient exposure length of the encapsulation causes the conditions that the elastic sheet is not contacted with the folding head, no output exists or poor contact is caused.
SUMMERY OF THE UTILITY MODEL
In order to overcome the problems in the prior art, the utility model provides a contact spring piece and plug which can improve the connection reliability of the contact spring piece and the folding head and are durable.
The utility model discloses a contact shell fragment, include two metal shrapnels from the outstanding extension on a contact assembly body, two metal shrapnel's end is crooked folding formation folding portion in opposite directions, and the crooked part of metal shrapnel forms the portion of bending, and two opposite one sides of folding portion are all outstanding relatively and are provided with first lug, form first space that contracts between two first lugs.
Further, the lug is arranged at one end of the folding part close to the bending part.
Further, the contact spring piece is also provided with a limiting part for limiting the deformation degree of the folding part.
Furthermore, the limiting part is a first concave part formed by oppositely bending the middle parts of the two metal elastic sheets, and a second contraction space is formed between the two first concave parts.
Furthermore, the limiting part is a movable abutting part formed by bending the tail ends of the two folding parts far away from the bending part towards the metal elastic sheet.
A plug with the contact spring plate comprises an installation base, a folding head, an upper cover, a contact assembly and a plurality of fastening screws; the contact assembly comprises an L-pole elastic sheet and an N-pole elastic sheet which are arranged on the mounting base at intervals, first through holes are respectively formed in the positions, corresponding to the L-pole elastic sheet and the N-pole elastic sheet, on the mounting base, first screw holes are formed in the L-pole elastic sheet and the N-pole elastic sheet, and fastening screws penetrate through the first through holes and are in threaded connection with the first screw holes; the folding head comprises two bearing seats, an insulating rotating shaft penetrating through the two bearing seats and two terminals vertically connected to the insulating rotating shaft at intervals; the middle part of the upper cover is provided with a second through hole, one side of the upper cover, which is far away from the mounting base, is provided with a notch communicated with the second through hole, and the top end of the terminal penetrates through the second through hole and is movably positioned in the notch; the L-pole elastic sheet and the N-pole elastic sheet both comprise the contact elastic sheet and the contact assembly body.
One side of the installation base is provided with a first installation groove matched with the shape of the L pole elastic piece and a second installation groove matched with the shape of the N pole elastic piece, the L pole elastic piece is located in the first installation groove, and the N pole elastic piece is located in the second installation groove.
Further, the contact assembly body is a guide plate, a first screw hole and a limiting groove are formed in the guide plate, and the bearing seat is located in the limiting groove.
Furthermore, the bottom end of the terminal protrudes out of the insulating rotating shaft, and the distance between the top end of the terminal and the insulating rotating shaft is larger than the distance between the bottom end of the terminal and the insulating rotating shaft.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model discloses a contact shell fragment bends into the design of U type with the punching press of the utmost point N shell fragment of L, has higher elasticity.
(2) The utility model discloses a contact elastic sheet, the reliability when the protruding lug that sets up in the folding portion can improve the contact has solved the metal fatigue deformation inefficacy etc. and has caused the condition of no output and contact failure.
Drawings
Fig. 1 is a partial perspective view of a contact spring according to a first embodiment of the present invention.
Fig. 2 is a partial perspective view of a contact spring according to a second embodiment of the present invention.
Fig. 3 is an exploded schematic view of the plug provided by the present invention.
Fig. 4 is a perspective view of the contact assembly of fig. 3.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Referring to fig. 1, in a first embodiment of a contact spring according to the present invention, a contact spring 10 includes two first metal springs 11 protruding from a contact assembly body, ends of the two first metal springs 11 are oppositely bent and folded to form a first folding portion 12, and the bent portion forms a first bending portion 13. In the present embodiment, the first bent portion 13 has an arc shape.
The opposite sides of the two first folding parts 12 are respectively provided with a first lug 14 in a protruding mode, and a first tightening space is formed between the first lugs 14 of the two first folding parts 12.
In the present embodiment, the first projection 14 is provided at one end of the first folded portion 12 close to the first folded portion 13.
The folding head of outside movably enters into first contracting space, and two first lugs 14 can increase the contact strength of folding head and contact shell fragment, increase the connection reliability.
The middle parts of the two first metal elastic sheets 11 are also oppositely bent to form first concave parts 15, a second contraction space is formed between the first concave parts 15 of the two first metal elastic sheets 11, and the two first folding parts 12 are located in the second contraction space. The first concave part 15 can increase the elasticity of the first metal elastic sheet 11 and limit the deformation degree of the first folding part 12, and the first folding part 12 is prevented from bending and deforming towards the first metal elastic sheet 11 to exceed a certain degree after being used for a long time, so that the service life is prolonged, and the product is durable.
Referring to fig. 2, in a second embodiment of a contact spring according to the present invention, the contact spring 10 includes two second metal springs 101 protruding from the contact assembly body, ends of the two second metal springs 101 are oppositely bent and folded to form a second folded portion 102, and the bent portion forms a second bent portion 103.
The opposite sides of the two second folding portions 102 are provided with second bumps 104 in a protruding manner, and a first tightening space is formed between the second bumps 104 of the two second folding portions 102.
In the present embodiment, the second bump 104 is disposed at one end of the second folding portion 102 close to the second folding portion 103.
The end of the second folding portion 102 away from the second folding portion 103 is bent toward the second metal dome 101 to form a movable abutting portion 105.
The movable abutting part 105 can limit the deformation degree of the second folding part 102, and prevent the second folding part 102 from bending and deforming beyond a certain degree towards the second metal elastic sheet 101 after being used for a long time, so that the service life is prolonged, and the product is durable.
Referring to fig. 3, the present invention further provides a plug having the contact spring, including a mounting base 100, a folding head 200, an upper cover 300, a contact assembly and a plurality of fastening screws 600.
The contact assembly comprises an L pole elastic sheet 400 and an N pole elastic sheet 500 which are arranged on the installation base 100 at intervals, first through holes are respectively formed in the positions, corresponding to the L pole elastic sheet 400 and the N pole elastic sheet 500, on the installation base 100, first screw holes are formed in the L pole elastic sheet 400 and the N pole elastic sheet 500, and the fastening screws 600 penetrate through the first through holes and are in threaded connection with the first screw holes.
In this embodiment, one side of the mounting base 100 is provided with a first mounting groove matched with the shape of the L-pole spring piece 400 and a second mounting groove matched with the shape of the N-pole spring piece 500, the L-pole spring piece 400 is located in the first mounting groove, and the N-pole spring piece 500 is located in the second mounting groove.
The folding head 200 includes two receiving seats 210, an insulating shaft 220 passing through the two receiving seats 210, and two terminals 230 vertically connected to the insulating shaft 220 at intervals.
In this embodiment, two connection holes along the radial direction are formed on the insulating rotating shaft 220 at intervals along the length direction, and the two terminals 230 respectively penetrate through the two connection holes of the insulating rotating shaft 220.
The bottom end of the terminal 230 protrudes from the insulating shaft 220 by a certain distance, and the distance between the top end of the terminal 230 and the insulating shaft 220 is much greater than the distance between the bottom end of the terminal 230 and the insulating shaft 220.
The middle portion of the upper cover 300 is provided with a second through hole 310, one side of the upper cover 300 away from the mounting base 100 is further provided with a notch 320 vertically communicated with the second through hole 310, and the top end of the terminal 230 passes through the second through hole 310 and is movably located in the notch 320.
Referring to fig. 4, each of the L-pole spring plate 400 and the N-pole spring plate 500 includes the contact spring plate 10 and the contact assembly body, the contact assembly body is a guide plate 20, and the guide plate 20 is provided with a first screw hole 21 and a limiting groove 22.
In the present embodiment, the socket 210 is located in the limiting groove 22.
When the terminal 230 rotates around the rotating shaft 220, the top end of the terminal 230 can be perpendicular to or retracted into the notch 320 relative to the upper cover 300, and the bottom end of the terminal 230 can be movably located between the two first folding portions 12 or the two second folding portions 102 of the contact spring 10.
The utility model discloses a contact shell fragment bends into the design of U type with the punching press of the utmost point N shell fragment of L, has higher elasticity. The protruding blocks arranged on the folding parts in a protruding mode can improve the reliability in contact, and the problems of no output and poor contact caused by metal fatigue deformation failure and the like are solved.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
While the foregoing description shows and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.
Claims (9)
1. The utility model provides a contact shell fragment, its characterized in that includes two metal shrapnels that protrude the extension from a contact module body, and the end of two metal shrapnels is crooked folding formation folded portion in opposite directions, and the crooked part of metal shrapnel forms the portion of bending, and the one side that two folded portions are in opposite directions all protrudes relatively and is provided with first lug, forms first space that contracts between two first lugs.
2. The contact spring of claim 1, wherein the bump is disposed at an end of the folded portion adjacent to the bent portion.
3. The contact spring of claim 1, further comprising a limiting portion for limiting the degree of deformation of the folded portion.
4. The contact spring according to claim 3, wherein the restriction portions are first concave portions formed by bending the middle portions of the two metal springs toward each other, and a second constricted space is formed between the two first concave portions.
5. The contact spring according to claim 3, wherein the limiting portion is a movable abutting portion bent from the end of the two folded portions away from the bent portion toward the metal spring.
6. A plug having a contact spring according to any one of claims 1 to 5, wherein: comprises a mounting base, a folding head, an upper cover, a contact component and a plurality of fastening screws; the contact assembly comprises an L-pole elastic sheet and an N-pole elastic sheet which are arranged on the mounting base at intervals, first through holes are respectively formed in the positions, corresponding to the L-pole elastic sheet and the N-pole elastic sheet, on the mounting base, first screw holes are formed in the L-pole elastic sheet and the N-pole elastic sheet, and fastening screws penetrate through the first through holes and are in threaded connection with the first screw holes; the folding head comprises two bearing seats, an insulating rotating shaft penetrating through the two bearing seats and two terminals vertically connected to the insulating rotating shaft at intervals; the middle part of the upper cover is provided with a second through hole, one side of the upper cover, which is far away from the mounting base, is provided with a notch communicated with the second through hole, and the top end of the terminal penetrates through the second through hole and is movably positioned in the notch; the L-pole elastic sheet and the N-pole elastic sheet both comprise the contact elastic sheet and the contact assembly body.
7. The plug of claim 6, wherein one side of the mounting base is provided with a first mounting groove matched with the shape of the L-pole elastic piece, and a second mounting groove matched with the shape of the N-pole elastic piece, the L-pole elastic piece is positioned in the first mounting groove, and the N-pole elastic piece is positioned in the second mounting groove.
8. The plug of claim 6, wherein the contact assembly body is a guide plate, the guide plate is provided with a first screw hole and a limiting groove, and the receiving seat is located in the limiting groove.
9. The plug of claim 6 wherein the bottom end of the terminal protrudes beyond the insulating shaft, and wherein the distance between the top end of the terminal and the insulating shaft is greater than the distance between the bottom end of the terminal and the insulating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020532826.3U CN211789576U (en) | 2020-04-11 | 2020-04-11 | Contact spring piece and plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020532826.3U CN211789576U (en) | 2020-04-11 | 2020-04-11 | Contact spring piece and plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211789576U true CN211789576U (en) | 2020-10-27 |
Family
ID=72958592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020532826.3U Active CN211789576U (en) | 2020-04-11 | 2020-04-11 | Contact spring piece and plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211789576U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114824868A (en) * | 2022-05-10 | 2022-07-29 | 菲尼克斯亚太电气（南京）有限公司 | Spring sheet type socket terminal |
| CN116131037A (en) * | 2023-02-24 | 2023-05-16 | 深圳市振欢电子有限公司 | Explosion-proof type power adapter |
-
2020
- 2020-04-11 CN CN202020532826.3U patent/CN211789576U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114824868A (en) * | 2022-05-10 | 2022-07-29 | 菲尼克斯亚太电气（南京）有限公司 | Spring sheet type socket terminal |
| CN116131037A (en) * | 2023-02-24 | 2023-05-16 | 深圳市振欢电子有限公司 | Explosion-proof type power adapter |
| CN116131037B (en) * | 2023-02-24 | 2023-10-20 | 深圳市振欢电子有限公司 | Explosion-proof type power adapter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 210046 floor 16, building A1, Huizhi science and Technology Park, No. 8, Hengtai Road, Nanjing Economic and Technological Development Zone, Nanjing, Jiangsu Province Patentee after: NANJING KUKE ELECTRONIC TECHNOLOGY CO.,LTD. Address before: 210046 room 0601, building a, Xingzhi science and Technology Park, Xingzhi Road, Qixia District, Nanjing, Jiangsu Province Patentee before: NANJING KUKE ELECTRONIC TECHNOLOGY CO.,LTD. |
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| CP02 | Change in the address of a patent holder |