CN212062046U - Chip resistor convenient to replace and mount - Google Patents
Chip resistor convenient to replace and mount Download PDFInfo
- Publication number
- CN212062046U CN212062046U CN201922022256.3U CN201922022256U CN212062046U CN 212062046 U CN212062046 U CN 212062046U CN 201922022256 U CN201922022256 U CN 201922022256U CN 212062046 U CN212062046 U CN 212062046U
- Authority
- CN
- China
- Prior art keywords
- chip resistor
- fixing plate
- circuit board
- mounting box
- pulling rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000009434 installation Methods 0.000 claims abstract description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 description 8
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Details Of Resistors (AREA)
Abstract
The utility model discloses a chip resistor of installation conveniently changes, including circuit board body, first fixed plate, chip resistor body, function spring and wiring end, install the mounting box on the circuit board body, and the mounting box laminates with the pulling pole each other to install the work spring on the pulling pole, first fixed plate laminates with the pulling pole each other, and installs the screw on the first fixed plate to install the protection pad on the first fixed plate, chip resistor body laminates with the protection pad each other, and protection pad and second fixed plate interconnect. This chip resistance of installation conveniently changes adopts the fixed mode of block to fix chip resistance on the circuit board, is convenient for change and install chip resistance, and need not use any instrument to need not weld chip resistance, separate chip resistance and circuit board, avoid generating heat because of circuit board work and influence chip resistance's life.
Description
Technical Field
The utility model relates to a chip resistor technical field specifically is a chip resistor of installation is conveniently changed.
Background
The resistance can protect the circuit as protection components and parts in the circuit, thereby resistance can carry out the partial pressure to the circuit and avoid damaging the power when the circuit takes place the short circuit with electrical apparatus, along with the development of science and technology, chip resistance replaces ordinary resistance gradually, and chip resistance uses more conveniently and the volume is littleer, is more convenient for install it in accurate device.
However, there are some problems in the installation of the chip resistor, for example, the common installation method is to directly weld the resistor on the circuit board, which is inconvenient to replace the chip resistor, and needs to weld again after replacement, and meanwhile, the direct welding of the chip resistor on the circuit board is inconvenient to dissipate heat of the circuit board, and is easy to generate heat due to long-time work of the circuit board, so that the chip resistor is also heated, and the service life of the chip resistor is affected.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a chip resistor of installation conveniently changes to it is not convenient for change chip resistor to provide in solving above-mentioned background art, is not convenient for device heat dissipation influences chip resistor's life's problem.
In order to achieve the above object, the utility model provides a following technical scheme: a chip resistor convenient to replace and mount comprises a circuit board body, a first fixing plate, a chip resistor body, a functional spring and a wiring end, wherein a mounting box is mounted on the circuit board body, the mounting box and a pulling rod are mutually attached, a working spring is mounted on the pulling rod, the working spring is mutually connected with the mounting box at the same time, the first fixing plate and the pulling rod are mutually attached, a screw is mounted on the first fixing plate, a protective pad is mounted on the first fixing plate, the chip resistor body and the protective pad are mutually attached, the protective pad is mutually connected with the second fixing plate, the second fixing plate is mutually connected with the screw, the functional spring is mounted on the second fixing plate, the functional spring mounting box is mutually connected with the functional spring, the mounting box and a movable sliding block are mutually attached, the movable sliding block is mounted on the second fixing plate at the same time, the wiring end is mounted on the chip resistor body, and the terminal is connected to the circuit board body.
Preferably, 2 symmetrical grooves are formed in the bottom end of the mounting box, and the mounting box is made of aluminum.
Preferably, the pulling rod is arranged to be T-shaped, and the outer surface of the pulling rod is smooth.
Preferably, the protection pads are respectively arranged on the lower surface of the first fixing plate and the upper surface of the second fixing plate, and the protection pads are made of rubber materials with matte surfaces.
Preferably, the number of the movable sliding blocks is 2, and the outer surface of the movable sliding block is smooth.
Preferably, the wiring terminals enable the chip resistor body and the circuit board body to be connected through grooves formed in the mounting box, and the wiring terminals are symmetrically distributed at two ends of the chip resistor body.
Compared with the prior art, the beneficial effects of the utility model are that: according to the chip resistor convenient to replace and mount, the chip resistor is fixed on the circuit board in a clamping and fixing mode, so that the chip resistor is convenient to replace and mount, no tool is needed, the chip resistor is not needed to be welded, the chip resistor is separated from the circuit board, and the service life of the chip resistor is prevented from being influenced due to the heat generated by the circuit board in working;
1. the mechanical structure consisting of the pulling rod, the working spring, the first fixing plate, the second fixing plate and the movable sliding block is used for clamping and fixing the first fixing plate through the pulling rod, so that the chip resistor body is fixed, and the chip resistor body is convenient to replace and install in the fixing mode;
2. the mechanical structure that first fixed plate, screw, protection pad and second fixed plate are constituteed separates chip resistor body and circuit board body through the second fixed plate to avoid generating heat and make chip resistor body also be heated because of circuit board body work, reduce chip resistor's life.
Drawings
Fig. 1 is a schematic view of a sectional structure of a mounting box of the present invention;
fig. 2 is a schematic view of the top cross-sectional structure of the mounting box of the present invention;
FIG. 3 is a schematic view of the cross-sectional structure of the wiring terminal of the present invention;
fig. 4 is a schematic view of the top-view section structure of the pulling rod of the present invention.
In the figure: 1. a circuit board body; 2. mounting a box; 3. pulling a rod; 4. a working spring; 5. a first fixing plate; 6. a screw; 7. a protection pad; 8. a chip resistor body; 9. a functional spring; 10. a second fixing plate; 11. moving the slide block; 12. and a terminal.
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. 1-4, the present invention provides a technical solution: a chip resistor convenient to replace and install comprises a circuit board body 1, a mounting box 2, a pulling rod 3, a working spring 4, a first fixing plate 5, a screw 6, a protective pad 7, a chip resistor body 8, a functional spring 9, a second fixing plate 10, a movable slider 11 and a wiring end 12, wherein the mounting box 2 is mounted on the circuit board body 1, the mounting box 2 and the pulling rod 3 are mutually attached, the working spring 4 is mounted on the pulling rod 3, the working spring 4 and the mounting box 2 are mutually connected, the first fixing plate 5 and the pulling rod 3 are mutually attached, the screw 6 is mounted on the first fixing plate 5, the protective pad 7 is mounted on the first fixing plate 5, the chip resistor body 8 and the protective pad 7 are mutually attached, the protective pad 7 and the second fixing plate 10 are mutually connected, the second fixing plate 10 and the screw 6 are mutually connected, the functional spring 9 is mounted on the second fixing plate 10, and functional spring 9 mounting box 2 and interconnect to mounting box 2 and removal slider 11 are laminated each other, and removal slider 11 is installed on second fixed plate 10 simultaneously, and wiring end 12 is installed on chip resistor body 8, and wiring end 12 and circuit board body 1 interconnect.
In the embodiment, 2 symmetrical grooves are formed in the bottom end of the mounting box 2, the mounting box 2 is made of aluminum, 2 symmetrical grooves are formed in the bottom end of the mounting box 2, the wiring end 12 can conveniently penetrate through the grooves, and the mounting box 2 is made of aluminum, so that heat dissipation is facilitated;
the pulling rod 3 is arranged to be T-shaped, the outer surface of the pulling rod 3 is smooth, the pulling rod 3 is arranged to be T-shaped, the contact area between the pulling rod 3 and a hand is increased, the pulling rod 3 can be pulled conveniently, the outer surface of the pulling rod 3 is smooth, friction force is reduced, and the pulling rod 3 can move conveniently in the mounting box 2;
the protection pads 7 are respectively arranged on the lower surface of the first fixing plate 5 and the upper surface of the second fixing plate 10, the protection pads 7 are made of rubber materials with surfaces set to be matt, the protection pads 7 are respectively arranged on the lower surface of the first fixing plate 5 and the upper surface of the second fixing plate 10, so that the chip resistor body 8 can be protected conveniently and simultaneously, and the protection pads 7 are made of rubber materials with surfaces set to be matt, so that friction force is increased, and the chip resistor body 8 is prevented from moving;
2 movable sliding blocks 11 are symmetrically arranged about the center of the second fixing plate 10, the outer surfaces of the movable sliding blocks 11 are smooth, 2 movable sliding blocks 11 are symmetrically arranged about the center of the second fixing plate 10, so that the position of the second fixing plate 10 can be conveniently changed at the same time, the outer surfaces of the movable sliding blocks 11 are smooth, and the movable sliding blocks 11 can more conveniently slide in grooves formed in the mounting box 2;
the recess that wiring end 12 was seted up through mounting box 2 makes chip resistor body 8 and circuit board body 1 interconnect, and wiring end 12 symmetric distribution makes chip resistor body 8 and circuit board body 1 interconnect at chip resistor body 8 both ends, and wiring end 12 passes through the recess that mounting box 2 was seted up, the better connection of chip resistor body 8 and circuit board body 1 of being convenient for, and wiring end 12 symmetric distribution is at chip resistor body 8 both ends, be convenient for make chip resistor body 8 act on circuit board body 1.
The working principle is as follows: pulling the pulling rod 3 in fig. 1 upwards, because the pulling rod 3 is provided with the working spring 4, the working spring 4 is stretched and deformed along with the upward movement of the pulling rod 3, at this time, the pulling rod 3 will not act on the first fixing plate 5 any more, because the first fixing plate 5 and the second fixing plate 10 are connected with each other through the screw 6, the functional spring 9 in a compressed state mounted on the second fixing plate 10 in fig. 2 recovers deformation, the second fixing plate 10 moves outwards, at this time, the pulling rod 3 in fig. 1 is loosened, because the second fixing plate 10 moves outwards, when the second fixing plate 10 completely moves to the outer end of the mounting box 2, the chip resistor body 8 and the wiring terminal 12 also move to the outer end of the mounting box 2, the screw 6 is rotated clockwise, so that the top end of the screw 6 moves in a direction away from the first fixing plate 5, and the chip resistor body 8 can be taken out along with the separation of the screw 6 and the second fixing plate 10, the chip resistor body 8 is disassembled;
when the chip resistor body 8 in fig. 1 needs to be replaced, the chip resistor body 8 is placed between the upper and lower protective pads 7, then the protection pad 7 is tightly attached to the chip resistor body 8, then the screw 6 is rotated counterclockwise, the screw 6 is connected with the threaded hole formed on the second fixing plate 10, the second fixing plate 10 is pushed into the mounting box 2, the pulling rod 3 in fig. 1 is pulled, the working spring 4 is stretched and deformed, the functional spring 9 is compressed and deformed along with the inward movement of the second fixing plate 10 in fig. 2, when the second fixing plate 10 in fig. 1 reaches the designated position, the pulling rod 3 is released, the working spring 4 recovers deformation, the pulling rod 3 moves downwards, the pulling rod 3 and the hole formed on the first fixing plate 5 are mutually jointed, and the first fixing plate 5 is engaged and fixed, and at this time, the chip resistor body 8 is mounted.
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 chip resistor of installation conveniently changes, includes circuit board body (1), first fixed plate (5), chip resistor body (8), function spring (9) and wiring end (12), its characterized in that: the circuit board comprises a circuit board body (1), wherein a mounting box (2) is mounted on the circuit board body (1), the mounting box (2) is attached to a pulling rod (3), a working spring (4) is mounted on the pulling rod (3), the working spring (4) is connected with the mounting box (2) at the same time, a first fixing plate (5) is attached to the pulling rod (3), a screw (6) is mounted on the first fixing plate (5), a protection pad (7) is mounted on the first fixing plate (5), a chip resistor body (8) is attached to the protection pad (7), the protection pad (7) is connected with a second fixing plate (10), the second fixing plate (10) is connected with the screw (6), a functional spring (9) is mounted on the second fixing plate (10), the mounting box (2) is connected with the functional spring (9), and the mounting box (2) is attached to a movable sliding block (11), and meanwhile, a movable sliding block (11) is arranged on a second fixing plate (10), a terminal (12) is arranged on the chip resistor body (8), and the terminal (12) is connected with the circuit board body (1) mutually.
2. The chip resistor convenient to replace and mount as claimed in claim 1, wherein: 2 symmetrical grooves are formed in the bottom end of the mounting box (2), and the mounting box (2) is made of aluminum.
3. The chip resistor convenient to replace and mount as claimed in claim 1, wherein: the pulling rod (3) is arranged to be T-shaped, and the outer surface of the pulling rod (3) is smooth.
4. The chip resistor convenient to replace and mount as claimed in claim 1, wherein: the protection pad (7) is respectively arranged on the lower surface of the first fixing plate (5) and the upper surface of the second fixing plate (10), and the surface of the protection pad (7) is made of a rubber material with a fog surface.
5. The chip resistor convenient to replace and mount as claimed in claim 1, wherein: the number of the movable sliding blocks (11) is 2 about the center of the second fixing plate (10), and the outer surface of each movable sliding block (11) is smooth.
6. The chip resistor convenient to replace and mount as claimed in claim 1, wherein: the wiring terminals (12) enable the chip resistor body (8) and the circuit board body (1) to be connected with each other through grooves formed in the mounting box (2), and the wiring terminals (12) are symmetrically distributed at two ends of the chip resistor body (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922022256.3U CN212062046U (en) | 2019-11-21 | 2019-11-21 | Chip resistor convenient to replace and mount |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922022256.3U CN212062046U (en) | 2019-11-21 | 2019-11-21 | Chip resistor convenient to replace and mount |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212062046U true CN212062046U (en) | 2020-12-01 |
Family
ID=73508007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922022256.3U Expired - Fee Related CN212062046U (en) | 2019-11-21 | 2019-11-21 | Chip resistor convenient to replace and mount |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212062046U (en) |
-
2019
- 2019-11-21 CN CN201922022256.3U patent/CN212062046U/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: 20201201 |