CN211260693U - Spring sheet type lamp holder structure - Google Patents
Spring sheet type lamp holder structure Download PDFInfo
- Publication number
- CN211260693U CN211260693U CN201922060912.9U CN201922060912U CN211260693U CN 211260693 U CN211260693 U CN 211260693U CN 201922060912 U CN201922060912 U CN 201922060912U CN 211260693 U CN211260693 U CN 211260693U
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- China
- Prior art keywords
- contact piece
- elastic
- elastic sheet
- supporting part
- threaded hole
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Abstract
The utility model belongs to the field of electric appliances, in particular to a spring plate type lamp holder structure, which comprises a connecting seat, a protective cover, a top contact piece and side contact pieces; a circular cavity is arranged in the connecting seat, a spiral groove is formed in the inner wall of the circular cavity, two mounting cavities are formed in the top of the circular cavity, connecting through holes are formed in the top walls of the two mounting cavities, the top contact piece is arranged in one mounting cavity, and the side contact pieces are arranged in the other mounting cavity; the lower end of the top contact piece is bent towards the center of the circular cavity and extends to the top end of the threaded hole, the lower end of the side contact piece extends to the upper end of the threaded hole and is close to or attached to the inner wall of the circular cavity, and the lower end of the side contact piece is lower than the lower end of the top contact piece; the protective cover covers the top end of the connecting seat, a threading hole is formed in the protective cover, after the electric wire passes through the threading hole, a live wire of the electric wire passes through one connecting through hole to be connected with the top contact piece, and a zero line of the electric wire passes through the other connecting through hole to be connected with the side contact piece; the lamp holder replaces the traditional lamp holder, can reduce the usage amount of metal, saves materials and reduces the cost; and the danger coefficient of the power-on electric shock is reduced.
Description
Technical Field
The utility model belongs to the electrical apparatus field especially relates to a shell fragment formula lamp stand structure.
Background
The lamp holder is used for installing the lamp bulb so as to electrify the lamp bulb. Lamp sockets are generally classified into bayonet socket and screw socket. The spiral lamp holder sets up the spiral hole in inside, has set up the external screw thread on the bulb, through external screw thread and screw hole cooperation, reaches the bulb and is connected with the lamp stand. In order to electrify the bulb, the external thread of the bulb is of a metal structure, and the top end of the bulb is provided with electrified metal; the threaded hole of the lamp holder is also manufactured and molded by adopting a metal shell, and particularly a spiral groove is formed in the metal shell through spinning; then, the metal shell is embedded into the lamp holder in an injection molding and encapsulation mode, so that the bulb is screwed into the metal shell to realize the power connection of the bulb; however, because the metal shell is connected with the bulb to realize power connection, the consumed metal amount is large, the cost is high, and when the bulb is screwed in, the metal is already connected with the lamp holder of the bulb to realize power connection when the bulb is screwed in the screw hole, and when an operator continues to screw in, the metal part of the lamp holder is easily contacted, so that the risk of electric shock exists.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a shell fragment formula lamp stand structure, it is big to aim at solving the metal volume that current lamp stand consumed to when changing the bulb, there is the problem of the risk of electric shock.
In order to achieve the above object, an embodiment of the present invention provides a spring plate type lamp holder structure, which includes a connecting seat, a protective cover, a top contact piece and a side contact piece; a circular cavity with a downward opening is arranged in the connecting seat, a spiral groove is formed in the inner wall, close to the opening end, of the circular cavity, the spiral groove and the circular cavity form a threaded hole, and the threaded hole is used for connecting a bulb and the connecting seat; the top of the circular cavity is provided with two mounting cavities, the top walls of the two mounting cavities are provided with connecting through holes, the top electric contact piece is arranged in one mounting cavity, and the side electric contact piece is arranged in the other mounting cavity; the lower end of the top electric contact piece is bent towards the center of the circular cavity and extends to the top end of the threaded hole, the lower end of the side electric contact piece extends to the upper end of the threaded hole and is close to or attached to the inner wall of the circular cavity, and the lower end of the side electric contact piece is lower than the lower end of the top electric contact piece; the protective cover covers the top end of the connecting seat, a threading hole is formed in the protective cover, after the electric wire penetrates through the threading hole, a live wire of the electric wire penetrates through one connecting through hole to be connected with the top contact electric contact piece, and a zero line of the electric wire penetrates through the other connecting through hole to be connected with the side contact electric contact piece.
Further, the top contact piece comprises a first elastic piece and a second elastic piece; the first elastic sheet is bent to form a first supporting part and a butting part, and the butting part extends to the upper end of the threaded hole; the lower end of the inner side of the first supporting part extends inwards to form two first clamping pieces; the second elastic sheet comprises a second supporting part, two ends of the second supporting part are bent towards the first supporting part to form a first supporting arm and a second supporting arm, the first supporting arm extends downwards to form an extending part, and the end part of the first supporting arm and the extending part are abutted to the first supporting part; the first supporting part and the second supporting part are elastically supported in the corresponding mounting cavities; the extension part is provided with two first clamping holes, and the first clamping pieces are clamped in the corresponding first clamping holes.
Furthermore, the included angle between the first supporting part and the abutting part is 110-135 degrees.
Further, the side contact pieces comprise a third elastic piece and a fourth elastic piece; the third elastic sheet is in a straight plate shape, and the lower end of the third elastic sheet extends to the upper end of the threaded hole; the fourth elastic sheet comprises a connecting part, a first elastic supporting part and a second elastic supporting part; the first elastic supporting part and the second elastic supporting part are respectively arranged at two ends of the connecting part, the end part of the second elastic supporting part is bent downwards to form a joint part, the joint part is jointed with the third elastic sheet, and the end part of the first elastic supporting part is abutted to the third elastic sheet; the first elastic supporting part and the second elastic supporting part support the connecting part and the third elastic sheet to be abutted against the inner wall of the corresponding mounting cavity.
Furthermore, a plurality of second clamping holes are formed in the attaching portion, and the third elastic sheet is inwardly punched and bent to form second clamping pieces which are clamped into the corresponding second clamping holes.
Furthermore, the lower end of the third elastic sheet is bent towards the inner wall of the threaded hole to form a guide part.
Furthermore, two side walls of the two mounting cavities are provided with clamping grooves; the first elastic sheet, the second elastic sheet, the third elastic sheet and the fourth elastic sheet are respectively provided with a clamping part which is clamped into the corresponding clamping groove.
Further, the protective cover is buckled at the top end of the connecting seat.
Furthermore, the both sides of connecting seat are equipped with the bayonet socket, the both sides downwardly extending of protection casing has the elasticity buckle, the buckle card is in corresponding the bayonet socket.
Furthermore, two heat dissipation holes are formed in the protective cover.
The embodiment of the utility model provides an above-mentioned one or more technical scheme in the shell fragment formula lamp stand structure have one of following technological effect at least:
the lower end of the side electric contact piece extends into the threaded hole and is close to or attached to the inner wall of the threaded hole, after the bulb is screwed into the threaded hole, when the top electric connection part of the bulb is contacted with the top electric contact piece, the external thread metal of the bulb is contacted with the side electric contact piece, so that the bulb is fixed in the connecting seat, and the bulb can be connected with electricity; therefore, the spring sheet type lamp holder structure replaces the traditional lamp holder, can reduce the usage amount of metal, saves materials and reduces the cost; when the bulb is screwed into the connecting seat, the power connection shell of the bulb is not in contact with the side electric contact piece, and when the bulb is screwed into the threaded hole to a certain depth, the bulb is in contact with the side electric contact piece, so that the exposed area of metal after the bulb is electrified is reduced, and the danger coefficient of power connection and electric shock is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a cross-sectional view of a spring plate type lamp holder structure provided by the embodiment of the present invention.
Fig. 2 is an exploded view of a spring plate type lamp holder structure provided by the embodiment of the present invention.
Fig. 3 is a structural diagram of the top contact piece of the spring plate type lamp holder structure provided by the embodiment of the present invention.
Fig. 4 is the structure diagram of the side connection electrical contact of the elastic sheet type lamp holder structure provided by the embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary and intended to explain the embodiments of the present invention and are not to be construed as limiting the present invention.
In the description of the embodiments of the present invention, it should be understood that the terms "first", "second" and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1 to 4, the spring plate type lamp holder structure includes a connecting seat 1, a protective cover 2, a top contact piece 3 and a side contact piece 4. The lamp bulb connecting structure is characterized in that a circular cavity 10 with a downward opening is arranged in the connecting base 1, a spiral groove 12 is arranged on the inner wall, close to the opening end, of the circular cavity 10, a threaded hole is formed between the spiral groove 12 and the circular cavity 10, and the threaded hole is used for connecting a bulb and the connecting base 1. The top of the circular cavity 10 is provided with two mounting cavities 12, the top walls of the two mounting cavities 12 are provided with connecting through holes 13, the top contact piece 3 is arranged in one mounting cavity 12, and the side contact piece 4 is arranged in the other mounting cavity 12. The lower end of the top contact electric piece 3 is bent towards the center of the circular cavity 10 and extends to the top end of the threaded hole, the lower end of the side contact electric piece 4 extends to the upper end of the threaded hole and is close to or attached to the inner wall of the circular cavity 10, and the lower end of the side contact electric piece 4 is lower than the lower end of the top contact electric piece; the protective cover 2 covers the top end of the connecting seat 1, a threading hole 20 is formed in the protective cover 2, after the electric wire penetrates through the threading hole 20, a live wire of the electric wire penetrates through one of the connecting through holes 13 to be connected with the top contact piece 3, and a zero line of the electric wire penetrates through the other connecting through hole 13 to be connected with the side contact piece 3. The lower end of the side electric contact piece 4 extends into the threaded hole and is close to or attached to the inner wall of the threaded hole, after the bulb is screwed into the threaded hole, when the top electric part of the bulb is contacted with the top electric contact piece 3, the external thread metal of the bulb is contacted with the side electric contact piece 4, so that the bulb is fixed in the connecting seat 1, and the bulb can be connected with electricity; therefore, the spring sheet type lamp holder structure replaces the traditional lamp holder, can reduce the usage amount of metal, saves materials and reduces the cost; when the bulb is screwed into the connecting seat, the power connection shell of the bulb is not in contact with the side electric contact piece, and when the bulb is screwed into the threaded hole to a certain depth, the bulb is in contact with the side electric contact piece 4, so that the exposed area of metal after the bulb is electrified is reduced, and the danger coefficient of power connection and electric shock is reduced.
Further, referring to fig. 1 to 3, the abutting contact 3 includes a first elastic sheet 30 and a second elastic sheet 31. The first elastic sheet 30 is bent to form a first supporting part 300 and an abutting part 301, and the abutting part 301 extends to the upper end of the threaded hole; two first locking pieces 302 extend inwards from the lower end of the inner side of the first supporting part 300. The second elastic sheet 31 includes a second supporting portion 310, two ends of the second supporting portion 310 bend towards the first supporting portion to form a first supporting arm 311 and a second supporting arm 312, the first supporting arm 311 extends downwards to form an extending portion 313, and both the end of the first supporting arm 311 and the extending portion 313 are abutted to the first supporting portion 300; the first supporting portion 300 and the second supporting portion 310 are elastically supported in the corresponding mounting cavities 12. Two first clamping holes (not shown in the drawings) are formed in the extending portion 313, and the first clamping sheet 302 is clamped in the corresponding first clamping holes; so that the abutting electrical contacts 3 can be fixed in the mounting cavity 12.
Further, referring to fig. 1 and 3, an included angle between the first support 300 and the abutting portion 301 is 110 ° to 135 °. In this embodiment, the first supporting portion 300 is disposed at an obtuse angle with respect to the abutting portion 301, so that the abutting portion 301 is inclined downward, thereby facilitating the abutting portion 301 to contact with the bulb; and when the bulb comes into contact with the abutment 301, the abutment 301 deforms so that it can better come into contact with the bulb.
Further, referring to fig. 1, 2 and 4, the side contact pads 4 include a third elastic piece 40 and a fourth elastic piece 41; the third elastic sheet 40 is in a straight plate shape, and the lower end of the third elastic sheet 40 extends to the upper end of the threaded hole; the fourth elastic sheet 41 includes a connecting portion 410, a first elastic supporting portion 411 and a second elastic supporting portion 412; the first elastic supporting portion 411 and the second elastic supporting portion 412 are respectively arranged at two ends of the connecting portion 410, an attaching portion 413 is bent downwards at an end portion of the second elastic supporting portion 412, the attaching portion 413 is attached to the third elastic sheet 40, and an end portion of the first elastic supporting portion 411 is abutted to the third elastic sheet 40; the first elastic supporting portion 411 and the second elastic supporting portion 412 support the connecting portion 410 and the third elastic sheet 40 to abut against the inner wall of the corresponding mounting cavity 12; therefore, the third elastic sheet 40 is connected with the fourth elastic sheet 41 and is tightly matched in the installation cavity 12.
Further, the attaching portion 413 is provided with a plurality of second card holes (not shown in the drawings), and the third elastic sheet 40 is bent and pressed inward to form second cards 400 that are inserted into the corresponding second card holes.
Further, the lower end of the third elastic sheet 40 is further bent toward the inner wall of the threaded hole to form a guide portion 401.
Furthermore, two side walls of the two mounting cavities 12 are provided with clamping grooves 110; the first elastic sheet 31, the second elastic sheet 31, the third elastic sheet 40 and the fourth elastic sheet 41 are all provided with clamping parts which are clamped into the corresponding clamping grooves 110. So that the top electrical contacts 3 and the side electrical contacts 4 are fixed in the corresponding mounting cavities 12.
Further, the protective cover 2 is buckled on the top end of the connecting seat 1.
Further, referring to fig. 1, bayonets 14 are disposed on two sides of the connecting seat 1, elastic buckles 21 extend downward from two sides of the protective cover 2, and the buckles 21 are clamped in the corresponding bayonets 14.
Furthermore, the protection cover 2 is further provided with two heat dissipation holes 22. The heat dissipation of the lamp holder is facilitated through the heat dissipation holes 22.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The spring sheet type lamp holder structure is characterized by comprising a connecting seat, a protective cover, a top contact electric contact piece and side contact electric contact pieces; a circular cavity with a downward opening is arranged in the connecting seat, a spiral groove is formed in the inner wall, close to the opening end, of the circular cavity, the spiral groove and the circular cavity form a threaded hole, and the threaded hole is used for connecting a bulb and the connecting seat; the top of the circular cavity is provided with two mounting cavities, the top walls of the two mounting cavities are provided with connecting through holes, the top electric contact piece is arranged in one mounting cavity, and the side electric contact piece is arranged in the other mounting cavity; the lower end of the top electric contact piece is bent towards the center of the circular cavity and extends to the top end of the threaded hole, the lower end of the side electric contact piece extends to the upper end of the threaded hole and is close to or attached to the inner wall of the circular cavity, and the lower end of the side electric contact piece is lower than the lower end of the top electric contact piece; the protective cover covers the top end of the connecting seat, a threading hole is formed in the protective cover, after the electric wire penetrates through the threading hole, a live wire of the electric wire penetrates through one connecting through hole to be connected with the top contact electric contact piece, and a zero line of the electric wire penetrates through the other connecting through hole to be connected with the side contact electric contact piece.
2. The flip-chip lamp socket structure of claim 1, wherein: the top contact piece comprises a first elastic piece and a second elastic piece; the first elastic sheet is bent to form a first supporting part and a butting part, and the butting part extends to the upper end of the threaded hole; the lower end of the inner side of the first supporting part extends inwards to form two first clamping pieces; the second elastic sheet comprises a second supporting part, two ends of the second supporting part are bent towards the first supporting part to form a first supporting arm and a second supporting arm, the first supporting arm extends downwards to form an extending part, and the end part of the first supporting arm and the extending part are abutted to the first supporting part; the first supporting part and the second supporting part are elastically supported in the corresponding mounting cavities; the extension part is provided with two first clamping holes, and the first clamping pieces are clamped in the corresponding first clamping holes.
3. The flip-chip lamp socket structure of claim 2, wherein: the included angle between the first supporting part and the abutting part is 110-135 degrees.
4. The flip-chip lamp socket structure of claim 2, wherein: the side contact pieces comprise third elastic pieces and fourth elastic pieces; the third elastic sheet is in a straight plate shape, and the lower end of the third elastic sheet extends to the upper end of the threaded hole; the fourth elastic sheet comprises a connecting part, a first elastic supporting part and a second elastic supporting part; the first elastic supporting part and the second elastic supporting part are respectively arranged at two ends of the connecting part, the end part of the second elastic supporting part is bent downwards to form a joint part, the joint part is jointed with the third elastic sheet, and the end part of the first elastic supporting part is abutted to the third elastic sheet; the first elastic supporting part and the second elastic supporting part support the connecting part and the third elastic sheet to be abutted against the inner wall of the corresponding mounting cavity.
5. The flip-chip lamp socket structure of claim 4, wherein: the laminating portion is provided with a plurality of second clamping holes, and the third elastic sheet is inwards punched and bent to form second clamping sheets clamped in the corresponding second clamping holes.
6. The flip-chip lamp socket structure of claim 4, wherein: the lower end of the third elastic sheet is also bent towards the inner wall of the threaded hole to form a guide part.
7. The spring plate type lamp holder structure according to any one of claims 4 to 6, wherein: two side walls of the two mounting cavities are provided with clamping grooves; the first elastic sheet, the second elastic sheet, the third elastic sheet and the fourth elastic sheet are respectively provided with a clamping part which is clamped into the corresponding clamping groove.
8. The flip-chip lamp socket structure of claim 1, wherein: the protective cover is buckled at the top end of the connecting seat.
9. The flip-chip lamp socket structure of claim 8, wherein: the two sides of the connecting seat are provided with bayonets, the two sides of the protective cover extend downwards to form elastic buckles, and the buckles are clamped in the corresponding bayonets.
10. The flip-chip lamp socket structure of claim 1, wherein: two heat dissipation holes are further formed in the protective cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922060912.9U CN211260693U (en) | 2019-11-25 | 2019-11-25 | Spring sheet type lamp holder structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922060912.9U CN211260693U (en) | 2019-11-25 | 2019-11-25 | Spring sheet type lamp holder structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211260693U true CN211260693U (en) | 2020-08-14 |
Family
ID=71960063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922060912.9U Expired - Fee Related CN211260693U (en) | 2019-11-25 | 2019-11-25 | Spring sheet type lamp holder structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211260693U (en) |
-
2019
- 2019-11-25 CN CN201922060912.9U patent/CN211260693U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200814 Termination date: 20211125 |