CN215335855U - Reverse connection preventing structure and lighting equipment thereof - Google Patents
Reverse connection preventing structure and lighting equipment thereof Download PDFInfo
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- CN215335855U CN215335855U CN202121135897.0U CN202121135897U CN215335855U CN 215335855 U CN215335855 U CN 215335855U CN 202121135897 U CN202121135897 U CN 202121135897U CN 215335855 U CN215335855 U CN 215335855U
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- battery
- insulating support
- circuit board
- reverse
- conductive
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Abstract
The utility model relates to an anti-reverse connection structure, which comprises a circuit board and is characterized in that: further comprising: the insulating support is assembled on the circuit board, a concave part is formed in the inner concave surface of the upper surface of the insulating support, and the size of the concave part is smaller than that of the negative electrode of the battery and is larger than or equal to that of the positive electrode of the battery; and the conductive piece is electrically connected with the circuit board and comprises an electrode plate which is assembled in the sunken part and can be contacted and conducted with the positive electrode of the battery. A lighting device with the anti-reverse connection structure is also disclosed. Has the advantages that: the concave part can only allow the projection of the positive electrode of the battery to be in contact with the electrode plate in the concave part, and the negative electrode of the battery cannot be in contact with the electrode plate in the concave part, so that the function of preventing reverse connection is achieved. Therefore, the reverse connection preventing structure is simple, the reverse connection preventing condition of the battery can be effectively prevented, and the practical value is high.
Description
Technical Field
The utility model relates to an anti-reverse connection structure and a lighting device thereof, in particular to a battery anti-reverse connection structure of a flashlight.
Background
The negative pole of the battery is usually abutted against the spring when the existing battery is installed, and then the positive pole of the battery is abutted against the convex contact or the flat spring so as to realize the electric connection of the battery and the circuit board. The frequency of using batteries on the existing small-sized electric appliances is high, and if the situation that a circuit board is damaged due to reverse connection of the batteries frequently occurs, the economic loss is large, so that further improvement is needed.
SUMMERY OF THE UTILITY MODEL
The first technical problem to be solved by the present invention is to provide an anti-reverse structure for preventing the reverse connection of the battery, which has a simple structure and is used for solving the current situation of the prior art.
A second technical problem to be solved by the present invention is to provide a lighting device using the anti-reverse structure in view of the current state of the prior art.
The technical scheme adopted by the utility model for solving the first technical problem is as follows: an anti-reverse connection structure, includes the circuit board, its characterized in that: further comprising:
the insulating support is assembled on the circuit board, a concave part is formed in the inner concave surface of the upper surface of the insulating support, and the size of the concave part is smaller than that of the negative electrode of the battery and is larger than or equal to that of the positive electrode of the battery;
and the conductive piece is electrically connected with the circuit board and comprises an electrode plate which is assembled in the sunken part and can be contacted and conducted with the positive electrode of the battery.
In order to realize the assembly of the insulating support, the insulating support is hollow, a positioning column is arranged downwards on the insulating support, and correspondingly, a positioning hole for inserting the positioning column is formed in the circuit board.
In order to realize that the conductive piece is electrically connected with the circuit board, the conductive piece also comprises an extension part with one end of the electrode plate extending downwards, and the insulating bracket and the circuit board are respectively provided with a first through hole and a second through hole for the extension part to be inserted into.
Preferably, the electrode plate is matched with the size of the recess.
Furthermore, be provided with the card foot on the electrically conductive piece, set up on the support and supply the card foot inserts so that electrically conductive piece with insulating support looks joint's card hole. Therefore, the conductive piece and the insulating support can be assembled more stably.
The technical scheme adopted by the utility model for solving the second technical problem is as follows: the utility model provides a lighting device, includes the stack shell and install respectively in the lamp holder subassembly and the tail-hood subassembly at stack shell both ends, be provided with a cavity that is used for holding the battery in the stack shell, be provided with the spring that is used for offsetting with the negative pole of battery in the tail-hood subassembly, its characterized in that: the position close to the positive pole of the battery in the lamp cap assembly is also provided with the anti-reverse connection structure.
In order to ensure the loop communication between the circuit board and the battery, the lamp cap assembly further comprises a conductive elastic sheet, and the conductive elastic sheet is electrically connected with the circuit board and the barrel body respectively.
Specifically, electrically conductive shell fragment is including being annular shell fragment body, the inner circle of shell fragment body is provided with the spacer downwards, insulating support bottom round inwards indents and forms outer shoulder, the third through-hole has been seted up to the circuit board corresponding to the position of insulating support's indentation part, and after the assembly was accomplished, the spacer is inserted and is established in the third through-hole, the inner wall of shell fragment body is arranged along the outer wall of outer shoulder.
In order to improve the stability of the electric connection between the conductive elastic sheet and the cylinder body, a plurality of arc-shaped elastic sheets protruding upwards in an inclined mode are arranged on the circumferential direction of the outer ring of the elastic sheet body, the arc-shaped elastic sheets are arranged close to the periphery of the insulating support, and the cylinder body is abutted against the arc-shaped elastic sheets and is electrically connected with the conductive elastic sheet.
Preferably, the number of the arc-shaped elastic pieces is four, and the four arc-shaped elastic pieces are respectively and uniformly distributed on the elastic piece body.
Compared with the prior art, the utility model has the advantages that: the concave part is formed on the insulating support in a concave mode, the size of the concave part is limited to be smaller than that of the battery cathode and larger than that of the battery anode, so that the concave part only allows the protrusion of the battery anode to be in contact with the electrode plate in the concave part, the battery cathode cannot be in contact with the electrode plate in the concave part, and the effect of preventing reverse connection is achieved. Therefore, the reverse connection preventing structure is simple, the reverse connection preventing condition of the battery can be effectively prevented, and the practical value is high.
Drawings
FIG. 1 is an exploded view of an anti-reverse structure in an embodiment of the present invention;
FIG. 2 is a cross-sectional view of the assembled circuit of FIG. 1 (including the conductive clip);
FIG. 3 is a schematic view of a flashlight of the present invention incorporating the structure of FIG. 2;
FIG. 4 is a cross-sectional view of FIG. 3;
FIG. 5 is an enlarged view taken at A in FIG. 4;
fig. 6 is a schematic structural view of the conductive elastic sheet in fig. 5.
Detailed Description
The utility model is described in further detail below with reference to the accompanying examples.
The reverse connection preventing structure in this embodiment includes
A circuit board 1;
the insulating support 2 is assembled on the circuit board 1, a concave part 21 is formed in the inner concave surface of the upper surface of the insulating support 2, and the size of the concave part 21 is smaller than that of the negative electrode of the battery 7 and is larger than or equal to that of the positive electrode of the battery 7;
and a conductive member 3 electrically connected to the circuit board 1, wherein the conductive member 3 includes an electrode tab 31 fitted in the recess 21 and capable of contacting and conducting with the positive electrode of the battery 7.
As shown in fig. 1 and fig. 2, in the present embodiment, the insulating support 2 is hollow, the positioning column 22 is disposed downward on the insulating support 2, and correspondingly, the circuit board 1 is provided with the positioning hole 11 for inserting the positioning column 22.
The conductive device 3 in this embodiment preferably further includes an extension portion 32 extending downward from one end of the electrode plate 31, and the insulating bracket 2 and the circuit board 1 are respectively provided with a first through hole 23 and a second through hole 12 into which the extension portion 32 is inserted. Preferably, the electrode pads 31 are adapted to the dimensions of the recesses 21. In addition, the conductive member 3 is provided with a clamping pin 33, and the insulating support 2 is provided with a clamping hole 24 for the clamping pin 33 to be inserted so as to clamp the conductive member 3 and the insulating support 2.
Because the positive pole of the battery has a projection, and the negative pole of the battery is flat, and because the concave part 21 can only allow the positive pole of the battery to be placed, but the negative pole of the battery can not be placed, the anti-reverse connection structure is in contact with and conducted with the electrode plate 31 in the concave part 21 when the positive pole of the battery is placed in the concave part 21, the battery can be electrically connected with the circuit board 1, and when the battery is reversely connected, the negative pole of the battery can not be in contact with the electrode plate 31 in the concave part 21 and can only be in contact with the surface of the insulating support 2, so that the reverse connection can be effectively prevented.
The anti-reverse connection structure is applied to the lighting device, in the embodiment, the lighting device is a flashlight, as shown in fig. 3 to 6, the lighting device includes a barrel 4, and a lamp holder assembly 5 and a tail cover assembly 6 respectively installed at two ends of the barrel 4, a cavity for accommodating the battery 7 is provided in the barrel 4, a spring 61 for abutting against a negative electrode 71 of the battery 7 is provided in the tail cover assembly 6, and the anti-reverse connection structure is provided at a position close to a positive electrode of the battery 7 in the lamp holder assembly 5. The lamp cap assembly 5 and the tail cap assembly 6 are structures that are common in existing flashlights and will not be described herein, wherein the lamp cap assembly 5 generally includes an LED light emitting element and a control switch for controlling the LED light emitting element.
In order to ensure the circuit loop of the flashlight to be communicated, the lamp cap assembly 5 further comprises a conductive elastic sheet 8, and the conductive elastic sheet 8 is electrically connected with the circuit board 1 and the barrel body 4 respectively. Wherein the barrel 4 is an electrical conductor.
Conductive elastic sheet 8 is including being annular shell fragment body 81, and the inner circle of shell fragment body 81 is provided with spacer 83 downwards, and the outside shoulder of the inside indentation formation of insulating support 2 bottom round, third through hole 13 has been seted up to circuit board 1 corresponding to the position of insulating support 2's indentation part, and after the assembly was accomplished, spacer 83 was inserted and is established in third through hole 13, and the outer wall of shoulder is arranged along to shell fragment body 81's inner wall. In this embodiment, two positioning pieces 83 are symmetrically disposed on the elastic piece body 81. Through the structure, on one hand, the fixed installation of the conductive elastic sheet 8 can be realized, and on the other hand, the electric connection between the conductive elastic sheet 8 and the circuit board 1 can also be realized.
In addition, the outer ring circumference of the elastic sheet body 81 is provided with a plurality of arc-shaped elastic sheets 82 protruding upwards in an inclined manner, the arc-shaped elastic sheets 82 are arranged close to the periphery of the insulating support 2, and the barrel body 4 abuts against the arc-shaped elastic sheets 82 and is electrically connected with the conductive elastic sheet 8. In this embodiment, four arc-shaped elastic pieces 82 are respectively and uniformly distributed on the elastic piece body 81. The arc-shaped elastic sheet 82 of the conductive elastic sheet 8 is in elastic contact with the cylinder body 4, so that the cylinder body 4 is always in a conductive state under the action of elastic force, and the stability of conductivity is greatly enhanced.
In this embodiment, the lamp holder assembly 5 and the tail cap assembly 6 are both in threaded connection with the barrel 4.
As shown in fig. 4, when the battery 7 is installed in the barrel 4, the positive electrode of the battery 7 can contact with the electrode plate 31 in the recess 21, the barrel 4 is installed at the periphery of the insulating support 2, the barrel 4 abuts against the elastic sheet body 81 in the circumferential direction, of course, the elastic sheet body 81 also abuts against the arc-shaped elastic sheet 82 arranged on the elastic sheet body 81, and the elastic sheet body 81 and the barrel 4 can be electrically connected with each other by specifically referring to the structure in fig. 2; meanwhile, the negative electrode of the battery 7 is abutted against the spring 61 and is electrically connected with the circuit board 7 through the electrode plate 31 and the elastic sheet body 81, so that the circuit inside the flashlight is communicated.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. An anti-reverse connection structure comprises a circuit board (1), and is characterized in that: further comprising:
the insulating support (2) is assembled on the circuit board (1), a concave part (21) is formed in the inner concave surface of the upper surface of the insulating support (2), and the size of the concave part (21) is smaller than that of the negative electrode of the battery (7) and larger than or equal to that of the positive electrode of the battery (7);
and the conductive piece (3) is electrically connected with the circuit board (1), and the conductive piece (3) comprises an electrode plate (31) which is assembled in the sunken part (21) and can be contacted and conducted with the positive electrode of the battery (7).
2. The reverse-connection preventing structure according to claim 1, characterized in that: the insulating support (2) is hollow, a positioning column (22) is arranged downwards on the insulating support (2), and correspondingly, a positioning hole (11) for the positioning column (22) to be inserted is formed in the circuit board (1).
3. The reverse-connection preventing structure according to claim 1, characterized in that: the conductive piece (3) further comprises an extension part (32) with one end of the electrode plate (31) extending downwards, and the insulating support (2) and the circuit board (1) are respectively provided with a first through hole (23) and a second through hole (12) for the extension part (32) to be inserted into.
4. The reverse-connection preventing structure according to claim 1, characterized in that: the electrode plate (31) is matched with the size of the concave part (21).
5. The reverse-connection preventing structure according to claim 1, characterized in that: be provided with card foot (33) on electrically conductive piece (3), seted up on insulating support (2) and supplied card foot (33) insert so that electrically conductive piece (3) with card hole (24) of insulating support (2) looks joint.
6. The utility model provides a lighting device, includes stack shell (4) and install respectively in lamp holder subassembly (5) and tail-hood subassembly (6) at stack shell (4) both ends, be provided with a cavity that is used for holding battery (7) in stack shell (4), be provided with in tail-hood subassembly (6) and be used for spring (61) that offset with the negative pole of battery (7), its characterized in that: an anti-reverse connection structure as claimed in any one of claims 1 to 5 is further provided in the lamp head assembly (5) near the positive electrode of the battery (7).
7. The illumination device of claim 6, wherein: the lamp holder assembly (5) further comprises a conductive elastic sheet (8), and the conductive elastic sheet (8) is electrically connected with the circuit board (1) and the cylinder body (4) respectively.
8. The illumination device as recited in claim 7, wherein: conductive elastic sheet (8) are including being annular shell fragment body (81), the inner circle of shell fragment body (81) is provided with spacer (83) downwards, insulating support (2) bottom round inwards retracts and forms outer shoulder, third through-hole (13) have been seted up corresponding to the position of the retracting part of insulating support (2) in circuit board (1), and after the assembly was accomplished, spacer (83) are inserted and are established in third through-hole (13), the outer wall of outer shoulder is arranged along to the inner wall of shell fragment body (81).
9. The illumination device as recited in claim 8, wherein: the elastic piece body (81) is characterized in that a plurality of arc-shaped elastic pieces (82) protruding upwards in an inclined mode are arranged on the outer ring of the elastic piece body (81) in the circumferential direction, the arc-shaped elastic pieces (82) are arranged close to the periphery of the insulating support (2), and the barrel body (4) is abutted to the arc-shaped elastic pieces (82) and electrically connected with the conductive elastic pieces (8).
10. A lighting device as recited in claim 9, wherein: the number of the arc-shaped elastic pieces (82) is four, and the arc-shaped elastic pieces are respectively and uniformly distributed on the elastic piece body (81).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202121135897.0U CN215335855U (en) | 2021-05-25 | 2021-05-25 | Reverse connection preventing structure and lighting equipment thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202121135897.0U CN215335855U (en) | 2021-05-25 | 2021-05-25 | Reverse connection preventing structure and lighting equipment thereof |
Publications (1)
Publication Number | Publication Date |
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CN215335855U true CN215335855U (en) | 2021-12-28 |
Family
ID=79548200
Family Applications (1)
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CN202121135897.0U Active CN215335855U (en) | 2021-05-25 | 2021-05-25 | Reverse connection preventing structure and lighting equipment thereof |
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CN (1) | CN215335855U (en) |
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2021
- 2021-05-25 CN CN202121135897.0U patent/CN215335855U/en active Active
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