CN111667963B - Resistance convenient to change resistance wire - Google Patents
Resistance convenient to change resistance wire Download PDFInfo
- Publication number
- CN111667963B CN111667963B CN202010424626.0A CN202010424626A CN111667963B CN 111667963 B CN111667963 B CN 111667963B CN 202010424626 A CN202010424626 A CN 202010424626A CN 111667963 B CN111667963 B CN 111667963B
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- resistance wire
- groove
- resistance
- sliding
- convenient
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/02—Housing; Enclosing; Embedding; Filling the housing or enclosure
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C3/00—Non-adjustable metal resistors made of wire or ribbon, e.g. coiled, woven or formed as grids
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Adjustable Resistors (AREA)
Abstract
The invention discloses a resistor convenient for replacing a resistance wire, which comprises a shell, wherein two fixing plates are arranged in the shell, the two fixing plates are arranged oppositely, a through groove is formed in each fixing plate, a pin is inserted and fixed in each through groove, insertion grooves are formed in the opposite end surfaces of the two pins, the end part of each pin penetrates through the corresponding side wall of the shell, two insulating rods are connected between the two fixing plates in a sliding mode and are horizontally arranged, the resistance wire is wound on the two insulating rods, two ends of the resistance wire are connected with insertion connecting blocks, and each insertion block is inserted in the corresponding insertion groove. The invention has the advantages that: the resistance value of the resistor can be changed by replacing the resistance wires 7 with different lengths, and the resistance wires 7 can be replaced with new ones after the resistance wires 7 are damaged, so that resource waste is prevented.
Description
Technical Field
The invention relates to the technical field of resistors, in particular to a resistor with resistance wires convenient to replace.
Background
The resistance wire is easy to age for long-term use, or overload blows the trouble, or when needing to change the resistance wire of bigger resistance value, needs whole resistance to scrap and change, and is with high costs, and the operation is inconvenient.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a resistor with a resistance wire convenient to replace.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a resistance convenient to change resistance wire, includes the casing, sets up two fixed plates in the casing, and two fixed plates set up relatively, all are equipped with on every fixed plate and link up the groove, link up fixed pin all in every, all are equipped with the inserting groove on the relative terminal surface of two pins, and the tip of every pin all passes the corresponding lateral wall of casing, two insulating rods of sliding connection between two fixed plates, two insulating rod levels set up, twine the resistance wire on two insulating rods, all connect the splice block at the both ends of resistance wire, and every splice block is all pegged graft correspondingly in the inserting groove.
Preferably, a sliding groove is formed in each fixing plate, and the two insulating rods are slidably connected between the two sliding grooves.
Preferably, both ends of each insulating rod are connected with sliding blocks, each sliding block is in sliding connection in the corresponding sliding groove, each sliding block is provided with a threaded through hole, and each threaded through hole is internally in threaded connection with a bolt for locking the corresponding sliding block.
Preferably, the cross section of the insertion groove is triangular, and the insertion block with the corresponding shape is inserted into the insertion groove.
Preferably, the two side walls in the through groove are provided with guide grooves, the two guide grooves are arranged oppositely, a limiting plate is connected to each guide groove in a sliding mode, one end of each limiting plate extends out of the corresponding guide groove, the two limiting plates are used for limiting the plug-in block, and a spring is connected between each guide groove and the corresponding limiting plate.
Preferably, arc-shaped grooves are formed in the opposite side faces of the two limiting plates and are arranged oppositely, round holes can be formed in the two arc-shaped grooves, and the resistance wires penetrate through the round holes.
Preferably, a communicating groove is formed in one side of each guide groove and is used for communicating with the outer side of the fixing plate, a push rod is connected to each communicating groove in a sliding mode, one end of each push rod is connected to the corresponding limiting plate, and the other end of each push rod extends out of the corresponding communicating groove.
The invention has the advantages that: the resistance convenient for replacing the resistance wire provided by the invention can change the resistance value of the resistance wire by replacing the resistance wires 7 with different lengths, and the resistance wire 7 can be replaced with a new one after the resistance wire 7 is damaged, so that the resource waste is prevented.
Drawings
FIG. 1 is a schematic diagram of a principle structure of a resistance convenient to replace a resistance wire provided by the present invention;
FIG. 2 is a schematic structural view of a resistance wire;
FIG. 3 is a schematic view of the structure of the fixing plate;
fig. 4 is a sectional view of the fixing plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, the resistor convenient for replacing the resistance wire provided by the invention comprises a housing 1, two fixing plates 2 are arranged in the housing 1, the two fixing plates 2 are arranged oppositely, a through groove 3 is arranged on each fixing plate 2, a pin 4 is inserted and fixed in each through groove 3, insertion grooves 5 are arranged on the opposite end surfaces of the two pins 4, and the end part of each pin 4 penetrates through the corresponding side wall of the housing 1.
All be equipped with sliding tray 2.1 on every fixed plate 2, sliding connection is two between two sliding tray 2.1 insulating rod 6, two insulating rod 6 levels set up, all connect sliding block 6.1 at the both ends of every insulating rod 6, and every sliding block 6.1 is all corresponding sliding connection in sliding tray 2.1 all is equipped with the screw through-hole on every sliding block 6.1, and equal threaded connection is used for locking corresponding in every screw through-hole sliding block 6.1's bolt 6.2 removes insulating rod 6 through removing sliding block 6.1.
In order to facilitate replacement of the resistance wire 7, as shown in fig. 2, the two ends of the resistance wire 7 are connected with the plug-in blocks 8, each plug-in block 8 is plugged in the corresponding plug-in groove 5, the resistance wire 7 is electrically connected with the pin 4 through the plug-in block 8, in order to prevent the plug-in block 8 from falling off from the plug-in groove 5, as shown in fig. 4, the two side walls of the through groove 3 are provided with guide grooves 3.1, the two guide grooves 3.1 are arranged oppositely, each guide groove 3.1 is connected with a limiting plate 3.2 in a sliding manner, one end of each limiting plate 3.2 extends out of the corresponding guide groove 3.1, the two limiting plates 3.2 are used for limiting the plug-in block 8, the plug-in block 8 is prevented from falling off from the plug-in groove 5, and a spring 3.3 is connected between each guide groove 3.1 and the corresponding limiting plate 3.2.
All be equipped with intercommunication groove 3.5 in one side of every guide way 3.1, intercommunication groove 3.5 is used for the intercommunication equal sliding connection push rod 3.6 in every intercommunication groove 3.5 in the outside of fixed plate 2, the one end of every push rod 3.6 all connects correspondingly on the limiting plate 3.2, the other end of every push rod 3.6 all stretches out correspondingly in the intercommunication groove 3.5.
As shown in fig. 3, the two opposite side surfaces of the two limiting plates 3.2 are provided with arc-shaped grooves 3.4, the two arc-shaped grooves 3.4 are arranged oppositely, round holes can be formed in the two arc-shaped grooves 3.4, and the resistance wire 7 penetrates through the round holes.
In order to facilitate the insertion of the insertion block 8 into the insertion groove 5, in this embodiment, the cross section of the insertion groove 5 is triangular, the insertion block 8 with a corresponding shape is inserted into the insertion groove 5, the tip of the insertion block 8 faces the two limiting plates 3.2, when the insertion block 8 is inserted between the two limiting plates 3.2, the two limiting plates 3.2 move to both sides respectively until the insertion block 8 is inserted into the insertion groove 5, and then the two limiting plates 3.2 rapidly bounce back to limit the insertion block 8 under the action of the spring 3.3, so as to prevent the insertion block 8 from separating from the insertion groove 5.
The working principle is as follows: when the resistance wire 7 is damaged or the resistance value of the resistance wire is required to be changed, the resistance wire 7 is required to be replaced, firstly, the two push rods 3.6 are moved to drive the two limiting plates 3.2 to move towards the guide grooves 3.1, the insertion block 8 is separated from the insertion groove 5, the resistance wire 7 is separated from the two insulating rods 6, then the distance between the two insulating rods 6 is adjusted according to the actual requirement, and then a new resistance wire 7 is replaced, when installing a new resistance wire 7, firstly, the insertion block 8 at one end is inserted into the corresponding insertion groove 5, then resistance wire 7 twines two insulating rods 6, pegs graft into corresponding inserting groove 5 with the grafting piece 8 of the other end at last, and resistance wire 7 is changed and is accomplished, and this resistance can change the resistance of resistance through changing resistance wire 7 of different length, also can change new resistance wire 7 after resistance wire 7 damages, prevents the wasting of resources.
Claims (7)
1. The utility model provides a resistance convenient to change resistance wire which characterized in that: the device comprises a shell (1), two fixing plates (2) are arranged in the shell (1), the two fixing plates (2) are arranged oppositely, a through groove (3) is formed in each fixing plate (2), a fixed pin (4) is inserted in each through groove (3), insertion grooves (5) are formed in opposite end faces of the two pins (4), the end portion of each pin (4) penetrates through the corresponding side wall of the shell (1), two insulating rods (6) are connected between the two fixing plates (2) in a sliding mode, the two insulating rods (6) are arranged in parallel, a resistance wire (7) is wound on the two insulating rods (6), the distance between the two insulating rods (6) is changed by moving the two insulating rods (6), the length of the resistance wire (7) is changed under the condition that the winding density of the resistance wire (7) is unchanged, and connecting blocks (8) are connected at two ends of the resistance wire (7), each plug-in block (8) is plugged in the corresponding plug-in groove (5).
2. The resistor convenient to replace a resistance wire as claimed in claim 1, wherein: each fixing plate (2) is provided with a sliding groove (2.1), and the two insulating rods (6) are connected between the two sliding grooves (2.1) in a sliding manner.
3. The resistor convenient to replace a resistance wire as claimed in claim 2, wherein: every sliding block (6.1) is all connected at the both ends of insulating rod (6), and every sliding block (6.1) all is corresponding sliding tray (2.1) sliding connection all is equipped with the screw thread through-hole on every sliding block (6.1), and equal threaded connection is used for locking corresponding in every screw thread through-hole bolt (6.2) of sliding block (6.1).
4. The resistor convenient to replace a resistance wire as claimed in claim 1, wherein: the cross section of the insertion groove (5) is triangular, and the insertion block (8) with a corresponding shape is inserted into the insertion groove (5).
5. The resistor convenient to replace a resistance wire as claimed in claim 1, wherein: all be equipped with guide way (3.1) on the both sides wall in through groove (3), two guide ways (3.1) set up relatively, equal sliding connection limiting plate (3.2) in every guide way (3.1), and the one end of limiting plate (3.2) stretches out correspondingly guide way (3.1), two limiting plate (3.2) are used for spacingly plug block (8), every guide way (3.1) and corresponding coupling spring (3.3) between limiting plate (3.2).
6. The resistor convenient to replace a resistance wire as claimed in claim 5, wherein: arc-shaped grooves (3.4) are formed in the opposite side faces of the two limiting plates (3.2), the two arc-shaped grooves (3.4) are arranged oppositely, round holes can be formed in the two arc-shaped grooves (3.4), and the resistance wires (7) penetrate through the round holes.
7. The resistor convenient to replace a resistance wire as claimed in claim 5, wherein: every one side of guide way (3.1) all is equipped with intercommunication groove (3.5), and intercommunication groove (3.5) are used for the intercommunication the outside of fixed plate (2) is equal sliding connection push rod (3.6) in every intercommunication groove (3.5), and the one end of every push rod (3.6) all connects correspondingly on limiting plate (3.2), the other end of every push rod (3.6) all stretches out correspondingly in intercommunication groove (3.5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010424626.0A CN111667963B (en) | 2020-05-19 | 2020-05-19 | Resistance convenient to change resistance wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010424626.0A CN111667963B (en) | 2020-05-19 | 2020-05-19 | Resistance convenient to change resistance wire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111667963A CN111667963A (en) | 2020-09-15 |
| CN111667963B true CN111667963B (en) | 2022-04-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010424626.0A Active CN111667963B (en) | 2020-05-19 | 2020-05-19 | Resistance convenient to change resistance wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111667963B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB304978A (en) * | 1928-05-24 | 1929-01-31 | Electrical Apparatus Co Ltd | Improvements relating to electric resistances |
| CN208061748U (en) * | 2018-04-23 | 2018-11-06 | 梁大陆 | A kind of high-power line is around fixed resister |
| CN109065306A (en) * | 2018-06-27 | 2018-12-21 | 广东福德电子有限公司 | A kind of adjustable template resistance |
| CN209401420U (en) * | 2018-05-25 | 2019-09-17 | 河南中科起重电气有限公司 | A kind of removable open resistor |
-
2020
- 2020-05-19 CN CN202010424626.0A patent/CN111667963B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB304978A (en) * | 1928-05-24 | 1929-01-31 | Electrical Apparatus Co Ltd | Improvements relating to electric resistances |
| CN208061748U (en) * | 2018-04-23 | 2018-11-06 | 梁大陆 | A kind of high-power line is around fixed resister |
| CN209401420U (en) * | 2018-05-25 | 2019-09-17 | 河南中科起重电气有限公司 | A kind of removable open resistor |
| CN109065306A (en) * | 2018-06-27 | 2018-12-21 | 广东福德电子有限公司 | A kind of adjustable template resistance |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111667963A (en) | 2020-09-15 |
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