CN211831312U - Short circuit prevention type circuit board - Google Patents
Short circuit prevention type circuit board Download PDFInfo
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- CN211831312U CN211831312U CN201922478687.0U CN201922478687U CN211831312U CN 211831312 U CN211831312 U CN 211831312U CN 201922478687 U CN201922478687 U CN 201922478687U CN 211831312 U CN211831312 U CN 211831312U
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- circuit board
- fuse
- board body
- fixed
- short
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Abstract
The utility model discloses an anti-short circuit type circuit board, including circuit board body and anti-short circuit mechanism, the surface four corners of circuit board body link up and have seted up the through-hole, anti-short circuit mechanism includes lug, fuse support, the bottom four corners of circuit board body is fixed with the lug, the top of circuit board body is fixed with the fuse support, and the surface of this fuse support is seted up the mouth of placing of symmetric distribution; the utility model has the advantages that: through the designed short-circuit prevention mechanism, the fixed insertion block and the lug are positioned on the same vertical plane and are communicated, so that the circuit board body can conveniently penetrate through the fixed insertion block and the lug through expansion screws, and the short circuit caused by the contact of the circuit board body and a metal contact surface is avoided when the circuit board body is installed in the shell; the arrangement of the fuse wire increases the short circuit prevention performance of the circuit board body; through the firm mechanism of design, realized the quick installation of fuse, also be convenient for dismantle it when the fuse damages and maintain.
Description
Technical Field
The utility model belongs to the technical field of the circuit board, concretely relates to prevent short circuit type circuit board.
Background
The circuit board may be referred to as a printed wiring board or a printed circuit board; the circuit board enables the circuit to be miniaturized and visualized, and plays an important role in batch production of fixed circuits and optimization of electric appliance layout.
The prior circuit board has the following defects when in use:
the short circuit prevention is not enough, and the short circuit prevention performance of the circuit board is not increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a prevent short circuit type circuit board to the short circuit aspect of preventing that proposes in solving above-mentioned background art exists not enoughly, is unfavorable for increasing the short circuit performance problem of preventing of circuit board.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an prevent short circuit type circuit board, includes the circuit board body and prevents short circuit mechanism, the surface four corners of circuit board body link up and has seted up the through-hole, prevent that short circuit mechanism includes lug, fuse support, the bottom four corners of circuit board body is fixed with the lug, the top of circuit board body is fixed with the fuse support, and the mouth of placing of symmetric distribution is seted up on the surface of this fuse support, the fuse has been inserted to the inboard of placing the mouth.
Preferably, be provided with firm mechanism on the fuse support, this firm mechanism includes spring, fixed slot, supports piece and movable block, place the fixed slot that the medial surface of mouth offered the symmetric distribution, the one end embedding fixed slot of movable block, the other end stretches out the fixed slot to be connected with the piece that supports that can offset with the fuse, the one end of spring and the embedding end terminal surface of movable block are connected, and the other end is connected with the tank bottom of fixed slot.
Preferably, the abutting block is of an annular structure, and the movable block is of a cuboid structure.
Preferably, the lug is a cylindrical structure with a hollow inner part.
Preferably, four fixing insertion blocks are bonded on the circuit board body, and the lower parts of the fixing insertion blocks are arranged in the through holes.
Preferably, the fixed inserting block and the convex block are positioned on the same vertical plane, and the fixed inserting block is communicated with the convex block.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) through the designed short-circuit prevention mechanism, the fixed insertion block and the lug are positioned on the same vertical plane and are communicated, so that the circuit board body can conveniently penetrate through the fixed insertion block and the lug through expansion screws, and the short circuit caused by the contact of the circuit board body and a metal contact surface is avoided when the circuit board body is installed in the shell; the arrangement of the fuse wire increases the short circuit prevention performance of the circuit board body;
(2) through the firm mechanism of design, realized the quick installation of fuse, also be convenient for dismantle it when the fuse damages and maintain.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic top view of the present invention;
fig. 3 is an enlarged schematic structural view of the region C in fig. 2 according to the present invention;
fig. 4 is an enlarged schematic structural view of the H region in fig. 1 according to the present invention;
in the figure: 1. a circuit board body; 2. a bump; 3. fusing the wires; 4. a fuse support; 5. fixing the insert block; 6. a spring; 7. fixing grooves; 8. a resisting block; 9. a movable block; 10. a placement port; 11. and a through hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the present invention provides a technical solution: the utility model provides a prevent short circuit type circuit board, include circuit board body 1 and prevent short circuit mechanism, the surface four corners of circuit board body 1 link up and has seted up through-hole 11, prevent that short circuit mechanism includes lug 2, fuse 3, fuse support 4, the bottom four corners of circuit board body 1 is fixed with lug 2, the top of circuit board body 1 is fixed with fuse support 4, symmetrical distribution's the mouth 10 of placing is seted up on this fuse support 4's surface, fuse 3 has been inserted to the inboard of placing mouth 10, lug 2's setting, when making circuit board body 1 install in the casing, the short circuit that circuit board body 1 and metal contact face contact lead to has been avoided, fuse 3's setting has increased circuit board body 1's short circuit prevention performance.
In this embodiment, preferably, the fuse holder 4 is provided with a stabilizing mechanism, the stabilizing mechanism includes a spring 6, a fixed slot 7, a supporting block 8 and a movable block 9, the inner side surface of the placement opening 10 is provided with the fixed slot 7 which are symmetrically distributed, one end of the movable block 9 is embedded into the fixed slot 7, the other end of the movable block 9 extends out of the fixed slot 7 and is connected with the supporting block 8 which can be abutted against the fuse 3, one end of the spring 6 is connected with the end surface of the embedded end of the movable block 9, the other end of the spring is connected with the bottom of the fixed slot 7, the supporting block 8 is of an annular structure, the movable block 9 is of a cuboid structure, when the fuse 3 is installed, the fuse 3 is taken up, the fuse 3 is inserted into the placement opening 10, the fuse 3 first presses the supporting block 8, the supporting block 8 presses the movable block 9 after being pressed, the movable block 9 presses the spring 6, after the fuse 3 is inserted, the compressed spring 6 is reset, the spring 6, the movable block 9 drives the annular abutting block 8 to fasten the fuse wire 3, so that the fuse wire 3 is more convenient to install, the fuse wire 3 is damaged, and when the fuse wire 3 is disassembled and maintained, the fuse wire 3 is pulled out, and according to the principle, the fuse wire 3 is pulled out, so that the rapid installation and disassembly maintenance of the fuse wire 3 are realized.
In this embodiment, it is preferable that the bump 2 has a cylindrical structure with a hollow interior; four fixed insertion blocks 5 are adhered to the circuit board body 1, and the lower parts of the fixed insertion blocks 5 are arranged in the through holes 11; fixed inserted block 5 and lug 2 are in same vertical plane, and fixed inserted block 5 is linked together with lug 2, are convenient for pass fixed inserted block 5 and lug 2 through the inflation screw, install circuit board body 1 in the casing, have avoided the short circuit that circuit board body 1 and metal contact surface contact lead to.
The utility model discloses a theory of operation and use flow: four corners of the bottom of the circuit board body 1 are fixed with the convex blocks 2; four fixed insertion blocks 5 are adhered to the circuit board body 1, and the lower parts of the fixed insertion blocks 5 are arranged in the through holes 11; the fixed inserting block 5 and the convex block 2 are positioned on the same vertical plane, and the fixed inserting block 5 is communicated with the convex block 2, so that the circuit board body 1 can be conveniently installed in the shell by penetrating the fixed inserting block 5 and the convex block 2 through expansion screws, and short circuit caused by contact of the circuit board body 1 and a metal contact surface is avoided;
when the fuse wire 3 is installed, the fuse wire 3 is taken up, the fuse wire 3 is inserted into the placing opening 10 of the fuse wire support 4, the fuse wire 3 firstly applies pressure to the abutting block 8, the abutting block 8 applies pressure to the movable block 9 after being pressed, the movable block 9 applies pressure to the spring 6 after being pressed, after the fuse wire 3 is inserted, the compressed spring 6 resets, the spring 6 drives the movable block 9, the movable block 9 drives the annular abutting block 8 to fasten the fuse wire 3, so that the installation of the fuse wire 3 is more convenient, when the fuse wire 3 is damaged and is disassembled and repaired, the fuse wire 3 is pulled out according to the principle, and the quick installation, disassembly and maintenance of the fuse wire 3 are realized;
the arrangement of the fuse wire 3 increases the short-circuit prevention performance of the circuit board body 1.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a prevent short circuit type circuit board, includes circuit board body (1) and prevents short circuit mechanism, through-hole (11), its characterized in that have been seted up in the surperficial four corners of circuit board body (1): prevent short circuit mechanism and include lug (2), fuse (3), fuse support (4), the bottom four corners of circuit board body (1) is fixed with lug (2), the top of circuit board body (1) is fixed with fuse support (4), and symmetrical distribution's the mouth of placing (10) is seted up on the surface of this fuse support (4), the inboard of placing mouth (10) has inserted fuse (3).
2. The short-circuit prevention type circuit board according to claim 1, wherein: be provided with firm mechanism on fuse support (4), this firm mechanism includes spring (6), fixed slot (7), supports piece (8) and movable block (9), place the medial surface of mouth (10) and set up symmetric distribution's fixed slot (7), the one end embedding fixed slot (7) of movable block (9), the other end stretches out fixed slot (7) to be connected with support piece (8) that can offset with fuse (3), the one end of spring (6) and the embedded end terminal surface of movable block (9) are connected, and the tank bottom of the other end and fixed slot (7) is connected.
3. A short-circuit prevention type circuit board according to claim 2, wherein: the support block (8) is of an annular structure, and the movable block (9) is of a cuboid structure.
4. The short-circuit prevention type circuit board according to claim 1, wherein: the lug (2) is of a cylindrical structure with a hollow inner part.
5. The short-circuit prevention type circuit board according to claim 1, wherein: four fixed insertion blocks (5) are bonded on the circuit board body (1), and the lower parts of the fixed insertion blocks (5) are arranged in the through holes (11).
6. The short-circuit prevention type circuit board according to claim 5, wherein: the fixed inserting block (5) and the convex block (2) are positioned on the same vertical plane, and the fixed inserting block (5) is communicated with the convex block (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922478687.0U CN211831312U (en) | 2019-12-31 | 2019-12-31 | Short circuit prevention type circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922478687.0U CN211831312U (en) | 2019-12-31 | 2019-12-31 | Short circuit prevention type circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211831312U true CN211831312U (en) | 2020-10-30 |
Family
ID=73040926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922478687.0U Active CN211831312U (en) | 2019-12-31 | 2019-12-31 | Short circuit prevention type circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211831312U (en) |
-
2019
- 2019-12-31 CN CN201922478687.0U patent/CN211831312U/en active Active
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