Combined resistor

Abstract

The utility model relates to the technical field of combined resistors, in particular to a combined resistor, which is convenient for the combined assembly of a plurality of groups of resistors through a combined device, adapts to different use conditions, can be used for the parallel connection of the plurality of groups of resistors through a parallel device, and is fixed through a fixing device. The practicability of the device is improved; comprising a combination device, a parallel connection device and a fixing device, the parallel connection device is installed on the combination device, and the fixing device is installed on the combination device.

Description

Technical Field

[0001] The utility model relates to the technical field of combined resistors, in particular to a combined resistor. Background Art

[0002] Resistors are generally referred to as resistors in daily life. They are current-limiting components. After connecting a resistor to a circuit, the resistance of the resistor is fixed, usually with two pins. It can limit the current passing through the branch it is connected to. Resistors whose resistance cannot be changed are called fixed resistors.

[0003] In the prior art, the Chinese utility model patent with application number CN202022714518.5 relates to a combined resistor, including a resistor box, a disassembly plate, a connecting frame, a connecting plate, a handle, a resistor and a dryer, etc., which can facilitate the replacement of the resistor.

[0004] However, the above device does not have the ability to flexibly combine multiple groups of resistors in actual use. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a combined resistor that facilitates the combined assembly of multiple groups of resistors through a combination device, adapts to different usage conditions, enables the device to connect multiple groups of resistors in parallel through a parallel device, and fixes the parallel device through a fixing device, thereby improving the practicality of the device.

[0006] The utility model discloses a combined resistor, comprising a combining device, a parallel device and a fixing device, wherein the parallel device is mounted on the combining device, and the fixing device is mounted on the combining device. The combining device facilitates the combined assembly of multiple groups of resistors and adapts to different use conditions. The parallel device enables the device to connect multiple groups of resistors in parallel, and the fixing device fixes the parallel device, thereby improving the practicality of the device.

[0007] Preferably, the combined device includes a carrier frame, an assembly hole, a single-sided limiting ring, an insulating sleeve and a resistor rod. Multiple groups of assembly holes are provided on the upper front end surface of the carrier frame, a single-sided limiting ring is provided on the rear end surface of the assembly hole, and a resistor rod is installed in the insulating sleeve. The multiple groups of assembly holes on the carrier frame facilitate the assembly of multiple groups of resistor rods into the carrier frame, which facilitates the subsequent series or parallel connection of multiple groups of resistors. The position of the insulating sleeve in the assembly hole is limited by the single-sided limiting ring, thereby improving the practicality of the device.

[0008] Preferably, the parallel device includes a first magnet ring, an elastic metal joint, a cover plate, a second magnet ring, a metal joint and a terminal. A group of first magnet rings and elastic metal joints are respectively provided on the front and rear end surfaces of the insulating sleeve, and the two ends of the resistor rod are respectively connected to the two groups of elastic metal joints. Multiple groups of second magnet rings and multiple groups of metal joints are provided on the side of the cover plate corresponding to the intervals between the multiple groups of assembly holes on the carrier. The metal joints are located on the inner side of the second magnet ring, and the size of the metal joints corresponds to the size of the first magnet ring. Terminals are installed on the other side of the cover plate, and the terminal posts are connected to the multiple groups of metal joints. According to the parallel requirements, multiple groups of insulating sleeves are inserted into the assembly holes, and then the two groups of cover plates are respectively covered on the front and rear end surfaces of the carrier, so that the multiple groups of metal joints are pressed on the multiple groups of elastic metal joints, thereby completing the parallel connection of the resistor rods in the multiple groups of insulating sleeves. The first magnet ring and the second magnet ring are cooperatively adsorbed, so that the connection between the metal joints and the elastic metal joints is stabilized, thereby improving the practicality of the device.

[0009] Preferably, the fixing device includes a connecting plate, a connecting groove and a fastening bolt. A group of connecting plates are respectively provided on the upper and lower sides of the cover plate, a connecting groove is provided on the upper end surface of the upper connecting plate, and multiple groups of positioning grooves are respectively provided on the front and rear end surfaces of the carrier frame. The distance between the upper and lower positioning grooves corresponds to the distance between the two groups of connecting plates. The positions corresponding to the multiple groups of positioning grooves on the upper end surface of the carrier frame are connected to multiple groups of fastening bolts through multiple groups of nuts; by rotating the fastening bolts, the lower part of the fastening bolts is pressed into the connecting groove, thereby fixing the position of the cover plate to prevent the cover plate from loosening during use and causing local circuit breakage, thereby improving the practicality of the device.

[0010] Preferably, it also includes a series head, a terminal is installed on the rear end face of the series head, the series head can be inserted into the assembly hole and the single-side limit ring, a second magnet ring and a metal joint are installed in the series head, and the terminal is connected to the metal joint; multiple groups of series heads are connected to each other through the terminal and the wire, and multiple groups of series heads are coordinated in front and behind to connect multiple groups of resistance rods, thereby realizing series connection between multiple groups of series heads, and the second magnet ring on the series head and the first magnet ring on the insulating sleeve are adsorbed to maintain the pressure between the metal joint and the elastic metal joint, and the connection area is covered by the series head to reduce the impact of the external environment on the metal at the connection, thereby improving the practicality of the device.

[0011] Preferably, it also includes a storage groove and a third magnetic ring. Multiple groups of storage grooves are provided at the lower part of the front end face of the carrier frame, and a third magnetic ring is provided on the rear end face inside the storage groove. Multiple groups of fastening bolts are stored through the storage groove, and the third magnetic ring is adsorbed with the first magnetic ring on the insulating sleeve to prevent the insulating sleeve from falling off in the storage groove, thereby improving the practicality of the device.

[0012] Preferably, the surface of the first magnetic ring on the insulating sleeve is sprayed with paint of different colors according to the resistance value of the resistance rod filled therein; the different colors of paint on the surface of the first magnetic ring on the insulating sleeve make it easier for operators to quickly identify the insulating sleeve, thereby improving the practicality of the device.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows: the combination device facilitates the combined assembly of multiple groups of resistors to adapt to different usage conditions; the parallel device enables the device to connect multiple groups of resistors in parallel; the parallel device is fixed by the fixing device, thereby improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a first axonometric structural diagram of the present invention;

[0015] Figure 2 This is a second axonometric structural diagram of the present invention;

[0016] Figure 3 This is a schematic diagram of the first cross-sectional structure of the present utility model;

[0017] Figure 4 This is a second cross-sectional structural diagram of the present invention;

[0018] Figure 5 It is a schematic diagram of the axonometric structure of the cover;

[0019] Figure 6 It is a schematic diagram of the axonometric structure of the tandem head;

[0020] Markings in the accompanying drawings: 1. Support frame; 2. Assembly hole; 3. Single-sided limit ring; 4. Insulating sleeve; 5. Resistance rod; 6. First magnet ring; 7. Elastic metal joint; 8. Cover plate; 9. Second magnet ring; 10. Metal joint; 11. Terminal; 12. Connecting plate; 13. Connecting groove; 14. Fastening bolt; 15. Series head; 16. Storage tank; 17. Third magnet ring. DETAILED DESCRIPTION

[0021] To facilitate understanding of the present invention, a more comprehensive description of the present invention will be provided below with reference to the accompanying drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and comprehensive understanding of the present invention.

[0022] Example

[0023] like Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5The parallel device shown is installed on the combined device, and the fixing device is installed on the combined device;

[0024] According to the needs, different insulating sleeves 4 are inserted into the multiple groups of assembly holes 2, and then the cover plate 8 is fixed to the carrier 1 with the fastening bolts 14, or multiple groups of series connectors 15 are covered on the assembly holes 2 with the insulating sleeves 4, so as to complete the parallel connection or series connection of multiple groups of resistors, thereby improving the practicality of the device;

[0025] The assembly device includes a carrier frame 1, assembly holes 2, a single-sided limiting ring 3, an insulating sleeve 4 and a resistance rod 5. The upper front end surface of the carrier frame 1 is provided with multiple groups of assembly holes 2, the rear end surface of the assembly holes 2 is provided with a single-sided limiting ring 3, and the resistance rod 5 is installed in the insulating sleeve 4.

[0026] The parallel device includes a first magnet ring 6, an elastic metal joint 7, a cover plate 8, a second magnet ring 9, a metal joint 10 and a terminal 11. A group of first magnet rings 6 and elastic metal joints 7 are respectively provided on the front and rear end surfaces of the insulating sleeve 4. The two ends of the resistor rod 5 are respectively connected to the two groups of elastic metal joints 7. On the side of the cover plate 8, multiple groups of second magnet rings 9 and multiple groups of metal joints 10 are provided corresponding to the intervals between the multiple groups of assembly holes 2 on the carrier 1. The metal joints 10 are located on the inner side of the second magnet ring 9. The size of the metal joints 10 corresponds to the size of the first magnet ring 6. A terminal 11 is installed on the other side of the cover plate 8, and the terminal 11 is connected to the multiple groups of metal joints 10.

[0027] The fixing device includes a connecting plate 12, a connecting groove 13 and a fastening bolt 14. A set of connecting plates 12 are respectively provided on the upper and lower parts of the side of the cover plate 8. A connecting groove 13 is provided on the upper end surface of the upper connecting plate 12. Multiple sets of positioning grooves are respectively provided on the upper and lower ends of the front and rear end surfaces of the carrier frame 1. The distance between the upper and lower positioning grooves corresponds to the distance between the two sets of connecting plates 12. Multiple sets of fastening bolts 14 are connected to the positions corresponding to the multiple sets of positioning grooves on the upper end surface of the carrier frame 1 through multiple sets of nuts.

[0028] The tandem connector 15 further includes a terminal 11 mounted on the rear end surface thereof. The tandem connector 15 is capable of being inserted into the assembly hole 2 and the single-side retaining ring 3. The second magnet ring 9 and the metal connector 10 are mounted in the tandem connector 15, and the terminal 11 is connected to the metal connector 10.

[0029] It also includes storage slots 16 and a third magnet ring 17. A plurality of storage slots 16 are provided at the lower portion of the front end surface of the carrier 1, and a third magnet ring 17 is provided on the rear end surface of the storage slots 16.

[0030] The combination device facilitates the combined assembly of multiple groups of resistors to adapt to different usage conditions. The parallel device enables the device to connect multiple groups of resistors in parallel. The fixing device fixes the parallel device, thereby improving the practicality of the device.

[0031] The terminal 11 of the combined resistor of the present invention is purchased on the market, and technicians in this industry only need to install and operate it according to the accompanying instruction manual, without the need for technicians in this field to make creative efforts.

[0032] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A combined resistor; characterized in that, The invention comprises a combination device, a parallel device and a fixing device, wherein the parallel device is mounted on the combination device, and the fixing device is mounted on the combination device; the combination device comprises a carrier frame (1), an assembly hole (2), a single-side limiting ring (3), an insulating sleeve (4) and a resistance rod (5); a plurality of assembly holes (2) are provided on the upper front end surface of the carrier frame (1); a single-side limiting ring (3) is provided on the rear end surface of the assembly hole (2); and a resistance rod (5) is installed in the insulating sleeve (4); the parallel device comprises a first magnet ring (6), an elastic metal joint (7), a cover plate (8), a second magnet ring (9), a metal joint (10) and a terminal (11); a group of the first magnet ring (6) and the elastic metal joint (7) are respectively provided on the front and rear end surfaces of the insulating sleeve (4); the two ends of the resistance rod (5) are respectively connected to the two groups of elastic metal joints (7); the side surface of the cover plate (8) corresponds to the plurality of assembly holes on the carrier frame (1). (2) are provided with a plurality of second magnet rings (9) and a plurality of metal joints (10), the metal joints (10) are located on the inner side of the second magnet ring (9), the size of the metal joints (10) corresponds to the size of the first magnet ring (6), a terminal post (11) is installed on the other side of the cover plate (8), and the terminal post (11) is connected to the plurality of metal joints (10); the fixing device includes a connecting plate (12), a connecting groove (13) and a fastening bolt (14), the upper and lower parts of the side of the cover plate (8) are respectively provided with a group of connecting plates (12), the upper end surface of the upper connecting plate (12) is provided with a connecting groove (13), the front and rear end surfaces of the carrier (1) are respectively provided with a plurality of positioning grooves, the distance between the upper and lower positioning grooves corresponds to the distance between the two groups of connecting plates (12), and the positions corresponding to the plurality of positioning grooves on the upper end surface of the carrier (1) are connected to a plurality of fastening bolts (14) through a plurality of nuts.

2. A combined resistor as claimed in claim 1, characterized in that: The invention also includes a series head (15), a terminal (11) is installed on the rear end surface of the series head (15), the series head (15) can be inserted into the assembly hole (2) and the single-side limit ring (3), a second magnet ring (9) and a metal joint (10) are installed in the series head (15), and the terminal (11) is connected to the metal joint (10).

3. A combined resistor as claimed in claim 2, characterized in that: It also includes storage slots (16) and a third magnet ring (17). A plurality of storage slots (16) are provided at the lower portion of the front end surface of the carrier (1), and a third magnet ring (17) is provided on the rear end surface inside the storage slots (16).

4. A combined resistor as claimed in claim 3, characterized in that: The invention also includes spraying different colors of pigments on the surface of the first magnet ring (6) on the insulating sleeve (4) according to the resistance values ​​of the resistance rod (5) filled therein.

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