CN113363028B - Resistor convenient to use - Google Patents
Resistor convenient to use Download PDFInfo
- Publication number
- CN113363028B CN113363028B CN202110738728.4A CN202110738728A CN113363028B CN 113363028 B CN113363028 B CN 113363028B CN 202110738728 A CN202110738728 A CN 202110738728A CN 113363028 B CN113363028 B CN 113363028B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/01—Mounting; Supporting
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/14—Terminals or tapping points or electrodes specially adapted for resistors; Arrangements of terminals or tapping points or electrodes on resistors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
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- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Adjustable Resistors (AREA)
Abstract
The invention discloses a conveniently-used resistor which comprises a box body, wherein a plurality of rotating shafts are uniformly distributed on the inner circumference of the box body, the bottom end of each rotating shaft is respectively and rotatably arranged on the box body, and a ceramic seat is respectively fixed at the top end of each rotating shaft; one side of each ceramic seat is connected with a mounting seat respectively, a plurality of mounting seats are uniformly distributed in a circumference manner, and a connecting assembly is connected between two adjacent mounting seats along the circumference; the mounting seat consists of a supporting plate, a first vertical plate and a second vertical plate, and the first vertical plate and the second vertical plate are vertically fixed on two sides of the top of the supporting plate; each mounting seat is internally provided with a resistor body, and two ends of each resistor body are respectively provided with a connecting end; the connecting assembly comprises a first connecting plate and a second connecting plate, and the first connecting plate and the second connecting plate are respectively contacted with the connecting ends of the two circumferentially adjacent resistor bodies.
Description
Technical Field
The invention relates to the technical field of resistors, in particular to a conveniently used resistor.
Background
The resistor is a two-terminal electronic component made of a resistive material and having a structure that functions to limit the passage of current in the circuit. It can be classified according to materials:
the wire-wound resistor is made up by winding resistance wire on an insulating frame, and is coated with heat-resisting enamel insulating layer or insulating paint. The winding resistor has lower temperature coefficient, high resistance precision, good stability, heat resistance and corrosion resistance, is mainly used as a precision high-power resistor, and has the defects of poor high-frequency performance and large time constant;
the carbon synthetic resistor is formed by pressing carbon and synthetic plastic;
the carbon film resistor is formed by coating a layer of carbon on a ceramic tube and depositing crystalline carbon on a ceramic rod framework. The carbon film resistor has low cost, stable performance, wide resistance range, low temperature coefficient and voltage coefficient, and is the most widely applied resistor at present;
the metal film resistor is formed by plating a layer of metal on a ceramic tube, and alloy materials are evaporated on the surface of a ceramic rod framework by a vacuum evaporation method;
the metal film resistor has higher precision, better stability, lower noise and temperature coefficient than the carbon film resistor. The method is widely applied to instruments and communication equipment;
the metal oxide film resistor is formed by plating a layer of tin oxide on a ceramic tube and depositing a layer of metal oxide on an insulating rod. Because the oxide is an oxide, the high-temperature-resistant high-voltage-resistant high-power high-voltage-resistant high-voltage cable is stable at high temperature, is resistant to thermal shock, has strong load capacity according to purposes, and is universal, precise, high-frequency, high-voltage, high-resistance, high-power, a resistance network and the like.
The existing resistor is inconvenient to connect with resistors with different resistance values, and meanwhile, the existing resistor is inconvenient to install and disassemble quickly, so that the existing resistor is inconvenient to replace.
Disclosure of Invention
The invention aims to provide a resistor which is convenient to use, so that different resistance values can be conveniently connected and replaced.
In order to solve the technical problems, the invention provides the following technical scheme: a resistor convenient to use comprises a box body, wherein a plurality of rotating shafts are uniformly distributed on the inner circumference of the box body, the bottom end of each rotating shaft is rotatably arranged on the box body, and a ceramic seat is fixed at the top end of each rotating shaft; one side of each ceramic seat is connected with a mounting seat respectively, a plurality of mounting seats are uniformly distributed in the circumferential direction, and a connecting assembly is connected between every two adjacent mounting seats along the circumferential direction; the mounting seat consists of a supporting plate, a first vertical plate and a second vertical plate, and the first vertical plate and the second vertical plate are vertically fixed on two sides of the top of the supporting plate; each mounting seat is internally provided with a resistor body, and two ends of each resistor body are respectively provided with a connecting end;
the connecting assembly comprises a first connecting plate and a second connecting plate, and the first connecting plate and the second connecting plate are respectively contacted with the connecting ends of two circumferentially adjacent resistor bodies; the first connecting plate is fixed on the adjacent first vertical plate, and the second connecting plate is fixed on the adjacent second vertical plate; a first connecting sheet is arranged on one side of the first connecting plate, which is far away from the connecting end in contact with the first connecting plate, a second connecting sheet is arranged on one side of the second connecting plate, which is far away from the connecting end in contact with the second connecting plate, and the second connecting sheet is connected with the second connecting sheet; the first connecting sheet and the second connecting sheet are arranged on the outer wall of the ceramic seat;
the second connecting piece consists of an arc-shaped piece and two U-shaped pieces, the two U-shaped pieces are respectively fixed at the top and the bottom of the arc-shaped piece, and the two U-shaped pieces are arranged in parallel;
one end of the second connecting piece is connected with a guide piece, the guide piece is arranged between the two U-shaped pieces, and the top and the bottom of the guide piece are respectively contacted with one opposite sides of the two U-shaped pieces;
one side of one of the mounting seats is provided with a first wiring terminal, and a first connecting plate on the mounting seat is connected with the first wiring terminal through a lead; a second wiring terminal is fixed at the center of the interior of the box body, and a box cover is arranged at the top of the box body;
the top ends of the first binding post and the second binding post respectively penetrate through the box cover, a first wiring terminal is arranged at the top end of the first binding post, and a second wiring terminal is arranged at the top end of the second binding post;
a connecting ring is arranged outside the second binding post, a groove is formed in the connecting ring, and after the mounting base rotates, the guide vane can be inserted into the groove and is in contact with the two sides of the groove;
and a fixing device is arranged between one side of each mounting seat close to the second vertical plate and the adjacent rotating shaft.
Furthermore, the fixing device comprises a first magnet ring sleeved outside the rotating shaft; the outside actuation of first magnet ring has first iron sheet, be connected with the fixed block between first iron sheet and its adjacent second riser.
Further, the first iron sheet is connected with a second iron sheet; the outside cover of second terminal is equipped with the second magnet ring, and after the mount pad is rotatory, but the actuation of second iron sheet is on the second magnet ring.
Furthermore, two ends of the resistor body are respectively fixed with a mounting plate, and connecting ends of the two ends of the resistor body respectively penetrate through the two mounting plates; two a gag lever post is established respectively to the bottom of mounting panel, be equipped with two spacing holes on the mount pad, two gag lever posts insert two spacing downtheholes respectively.
Furthermore, an interference fit is formed between the limiting rod and the limiting hole.
Furthermore, the box body, the box cover, the mounting seat, the fixing block and the mounting plate are all made of insulating materials.
Furthermore, the first connecting plate, the second connecting plate, the guide sheet, the first connecting sheet, the second connecting sheet, the connecting ring, the first wiring terminal and the second wiring terminal are all made of conductive materials.
Furthermore, the box body and the box cover are movably connected through a buckle.
Compared with the prior art, the invention has the following beneficial effects:
1. the mounting plates are mounted by arranging the mounting seats, so that the resistor bodies are convenient to mount and fix;
2. each mounting seat can rotate, one end of the resistor body can be connected with the second binding post by rotating the mounting seats, and one or more resistor bodies can be connected by rotating different mounting seats, so that wiring requirements of different resistance values can be conveniently met;
3. through being provided with fixing device, be convenient for to the rigidity of mount pad.
4. The mounting plate can be detached from the supporting seat, so that the resistor bodies can be conveniently overhauled and replaced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the mount mounting of the present invention;
FIG. 3 is a schematic view of the resistor body mounting of the present invention;
FIG. 4 is a schematic view of the ceramic mount installation of the present invention;
FIG. 5 is a schematic view of the mounting base of the present invention after rotation;
FIG. 6 is a schematic view of the mounting plate of the present invention in cooperation with a support plate;
FIG. 7 is a schematic view of the first and second connector tabs of the present invention mounted thereon;
FIG. 8 is a schematic view of a second tab construction of the present invention;
fig. 9 is a schematic view of a second terminal structure of the present invention;
in the figure: 1. a box body; 11. a first terminal post; 111. a first connection terminal; 12. a second terminal; 121. a second connection terminal; 122. a second magnetic ring; 2. a box cover; 3. a mounting seat; 31. a support plate; 311. a limiting hole; 32. a first vertical plate; 33. a second vertical plate; 4. a ceramic base; 41. a rotating shaft; 42. a first connecting piece; 43. a second connecting sheet; 431. an arc-shaped sheet; 432. a U-shaped sheet; 44. a first magnetic ring; 5. a resistor body; 51. mounting a plate; 511. a limiting rod; 6. a first connecting plate; 7. a second connecting plate; 71. a guide vane; 8. a connecting ring; 81. a groove; 9. a fixing device; 91. a fixed block; 92. a first iron piece; 93. a second iron sheet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-9, the present invention provides a technical solution: a conveniently used resistor comprises a box body 1, wherein a plurality of rotating shafts 41 are uniformly distributed on the inner circumference of the box body 1, the bottom end of each rotating shaft 41 is movably connected to the box body 1 through a bearing, a ceramic seat 4 is fixed at the top end of each rotating shaft 41, and the ceramic seat 4 is of a cylindrical structure as a whole; one side of each ceramic seat 4 is connected with one mounting seat 3, the mounting seats 3 are uniformly distributed in the circumferential direction, and a connecting assembly is connected between every two adjacent mounting seats 3 along the circumferential direction; the mounting seat 3 is composed of a supporting plate 31, a first vertical plate 32 and a second vertical plate 33, and the first vertical plate 32 and the second vertical plate 33 are vertically fixed on two sides of the top of the supporting plate 31; each mounting seat 3 is internally provided with a resistor body 5, and two ends of each resistor body 5 are provided with connecting ends;
the connecting assembly comprises a first connecting plate 6 and a second connecting plate 7, and the first connecting plate 6 and the second connecting plate 7 are respectively contacted with the connecting ends of two circumferentially adjacent resistor bodies 5; the first connecting plate 6 is fixed on the adjacent first vertical plate 32, and the second connecting plate 7 is fixed on the adjacent second vertical plate 33; a first connecting sheet 42 is arranged on one side of the first connecting plate 6, which is far away from the connecting end contacted with the first connecting plate, a second connecting sheet 43 is arranged on one side of the second connecting plate 7, which is far away from the connecting end contacted with the second connecting plate, and the second connecting sheet 43 is connected with the second connecting sheet 43; the first connecting sheet 42 and the second connecting sheet 43 are arranged on the outer wall of the ceramic base 4;
the second connecting sheet 43 comprises an arc-shaped sheet 431 and two U-shaped sheets 432, the two U-shaped sheets 432 are respectively fixed at the top and the bottom of the arc-shaped sheet 431, and the two U-shaped sheets 432 are arranged in parallel; one end of the second connecting sheet 43 is connected with a guide sheet 71, the guide sheet 71 is arranged between the two U-shaped sheets 432, and the top and the bottom of the guide sheet 71 are respectively contacted with one side of the two U-shaped sheets 432; one side of one of the mounting seats 3 is provided with a first binding post 11, and the first connecting plate 6 on the mounting seat 3 is connected with the first binding post 11 through a wire; the inside center of box body 1 is fixed with second terminal 12, and the top of box body 1 is equipped with lid 2, and box body 1 and lid 2 pass through buckle swing joint for lid 2 can be opened.
The top ends of the first binding post 11 and the second binding post 12 respectively penetrate through the box cover 2, the top end of the first binding post 11 is provided with a first connecting terminal 111, and the top end of the second binding post 12 is provided with a second connecting terminal 121; first binding post 111 and second binding post 121 are used for being connected with external circuit, and first binding post 111 and second binding post 121's inside is equipped with the through-hole, convenient and external conductor, fastener etc. be connected.
A connecting ring 8 is arranged outside the second terminal 12, a groove 81 is arranged in the connecting ring 8, and after the mounting base 3 rotates, the guide sheet 71 can be inserted into the groove 81, and the guide sheet 71 is in contact with two sides of the groove 81; the mounting base 3 rotates to drive the guide piece 71 to be inserted into the groove 81, so as to connect a connection end of the resistor body 5 with the second connection terminal 121.
A fixing device 9 is arranged between one side of each mounting seat 3 close to the second vertical plate 33 and the adjacent rotating shaft 41; the fixing device 9 includes a first magnet ring 44 sleeved outside the rotating shaft 41; a first iron sheet 92 is sucked outside the first magnet ring 44, and a fixed block 91 is connected between the first iron sheet 92 and the adjacent second vertical plate 33; one end of the first iron sheet 92, which is far away from the fixing block 91, is set to be in an arc structure, the diameter of an inner ring of the arc structure is equal to the diameter of an outer ring of the first magnet ring 44, so that the arc structure is just attracted to the outer side of the first magnet ring 44, and through attraction of the first iron sheet 92 and the first magnet ring 44, the position of the mounting base 3 is fixed conveniently, and meanwhile, the first iron sheet 92 and the first magnet ring 44 can be separated by driving external force to rotate the mounting base 3, so that the rotation of the mounting base is not influenced.
The first iron sheet 92 is also connected with a second iron sheet 93; a second magnet ring 122 is sleeved outside the second terminal 12, and after the mounting base 3 rotates, the second iron sheet 93 can be attracted to the second magnet ring 122; the one end that first iron sheet 92 was kept away from to second iron sheet 93 also is the circular arc structure, and this circular arc structure and the outer wall looks adaptation of second magnet ring 122, and after rotatory mount pad 3, the circular arc structure on the second iron sheet 93 can just laminate on second magnet ring 122 outer wall, and the position after convenient rotation to mount pad 3 is fixed. And after the second iron sheet 93 is adsorbed on the second magnet ring 122, the guide sheet 71 can be inserted into the groove 81 of the connection ring 8, so that the connection between the connection end of the resistor body and the second connection terminal 121 is realized, and the resistor body 5 can be conveniently connected for use.
Two ends of the resistor body 5 are respectively fixed with one mounting plate 51, and the connecting ends of the two ends of the resistor body 5 respectively penetrate through the two mounting plates 51; the bottom ends of the two mounting plates 51 are respectively provided with a limiting rod 511, the mounting base 3 is provided with two limiting holes 311, the two limiting rods 511 are respectively inserted into the two limiting holes 311, and the limiting rods 511 and the limiting holes 311 are in interference fit; the limiting rod 511 is in interference fit with the limiting hole 311, so that the two mounting plates 51 are fixed conveniently, and the resistor body 5 is fixed; the tops of the two mounting plates 51 are respectively provided with pull rings, and the limiting rods 511 can be conveniently moved out of the limiting holes 311 by pulling the two pull rings, so that the resistor body 5 can be conveniently detached, and the resistor body 5 can be conveniently overhauled and replaced.
The box body 1, the box cover 2, the mounting seat 3, the fixing block 91 and the mounting plate 51 are all made of insulating materials, so that electric leakage can be prevented; the first connecting plate 6, the second connecting plate 7, the guide tab 71, the first connecting tab 42, the second connecting tab 43, the connecting ring 8, the first terminal 11 and the second terminal 12 are all made of conductive materials, and can be made of copper.
The working principle of the invention is as follows: when the resistor is used, resistors with different resistance values can be accessed, because the first binding post 11 is connected with one of the first connecting plates 6, when the mounting base 3 contacted with the connecting plate is rotated, the first iron sheet 92 at one side of the mounting base 3 is separated from the corresponding first magnet ring 44, and the second iron sheet 93 connected with the first iron sheet 92 is attracted with the second magnet ring 122 on the second binding post 12, at the moment, the guide sheet 71 at one side of the mounting base 3 is inserted into the groove 81 of the connecting ring 8 from between the two corresponding U-shaped sheets 432, and one resistor body 5 can be accessed for use by accessing the first connecting terminal 111 and the second connecting terminal 121 into a circuit; when a plurality of resistor bodies 5 need to be connected, the first binding post 11 and the second binding post 12 can be connected with the plurality of resistor bodies 5 by rotating different mounting bases 3 and attracting the second iron sheet 93 corresponding to one side of the mounting base 3 with the second magnet ring 122, so that the operation is simple and convenient, and the wiring requirements of different resistance values are facilitated; meanwhile, two ends of each resistor body 5 are respectively connected with a mounting plate 51, the bottom end of each mounting plate 51 is respectively provided with a limiting rod 511, and the limiting rods 511 are in interference fit with limiting holes 311 on the mounting base 3, so that the two mounting plates 51 can be conveniently fixed, and the resistor bodies 5 can be fixed; the tops of the two mounting plates 51 are respectively provided with pull rings, and the limiting rods 511 can be conveniently moved out of the limiting holes 311 by pulling the two pull rings, so that the resistor body 5 can be disassembled, and the resistor body 5 can be conveniently overhauled and replaced.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A convenient-to-use resistor characterized by: the device comprises a box body (1), wherein a plurality of rotating shafts (41) are uniformly distributed on the inner circumference of the box body (1), the bottom end of each rotating shaft (41) is rotatably arranged on the box body (1) respectively, and a ceramic seat (4) is fixed at the top end of each rotating shaft (41) respectively;
one side of each ceramic seat (4) is connected with one mounting seat (3), the mounting seats (3) are uniformly distributed in the circumferential direction, and a connecting assembly is connected between every two adjacent mounting seats (3) along the circumferential direction;
the mounting seat (3) is composed of a supporting plate (31), a first vertical plate (32) and a second vertical plate (33), and the first vertical plate (32) and the second vertical plate (33) are vertically fixed on two sides of the top of the supporting plate (31);
each mounting seat (3) is internally provided with a resistor body (5), and two ends of each resistor body (5) are respectively provided with a connecting end;
the connecting assembly comprises a first connecting plate (6) and a second connecting plate (7), and the first connecting plate (6) and the second connecting plate (7) are respectively contacted with the connecting ends of two circumferentially adjacent resistor bodies (5); the first connecting plate (6) is fixed on the adjacent first vertical plate (32), and the second connecting plate (7) is fixed on the adjacent second vertical plate (33); a first connecting sheet (42) is arranged on one side, away from the connecting end contacted with the first connecting sheet (6), of the first connecting sheet, a second connecting sheet (43) is arranged on one side, away from the connecting end contacted with the second connecting sheet (7), of the second connecting sheet (43), and the second connecting sheet (43) is connected with the second connecting sheet (43); the first connecting sheet (42) and the second connecting sheet (43) are arranged on the outer wall of the ceramic seat (4);
the second connecting piece (43) consists of an arc-shaped piece (431) and two U-shaped pieces (432), the two U-shaped pieces (432) are respectively fixed at the top and the bottom of the arc-shaped piece (431), and the two U-shaped pieces (432) are arranged in parallel;
one end of the second connecting sheet (43) is connected with a guide sheet (71), the guide sheet (71) is arranged between the two U-shaped sheets (432), and the top and the bottom of the guide sheet (71) are respectively contacted with one side of the two U-shaped sheets (432) opposite to each other;
one side of one of the mounting seats (3) is provided with a first wiring terminal (11), and the first connecting plate (6) on the mounting seat (3) is connected with the first wiring terminal (11) through a wire; a second binding post (12) is fixed at the center of the interior of the box body (1), and a box cover (2) is arranged at the top of the box body (1);
the top ends of the first binding post (11) and the second binding post (12) respectively penetrate through the box cover (2), a first wiring terminal (111) is arranged at the top end of the first binding post (11), and a second wiring terminal (121) is arranged at the top end of the second binding post (12);
a connecting ring (8) is arranged outside the second binding post (12), a groove (81) is formed in the connecting ring (8), when the mounting base (3) rotates, the guide sheet (71) can be inserted into the groove (81), and the guide sheet (71) is in contact with two sides of the groove (81);
a fixing device (9) is arranged between one side of each mounting seat (3) close to the second vertical plate (33) and the adjacent rotating shaft (41);
the fixing device (9) comprises a first magnet ring (44) sleeved outside the rotating shaft (41); a first iron sheet (92) is attracted to the outer part of the first magnet ring (44), and a fixing block (91) is connected between the first iron sheet (92) and the adjacent second vertical plate (33);
the first iron sheet (92) is also connected with a second iron sheet (93); the outside cover of second terminal (12) is equipped with second magnet ring (122), and after mount pad (3) rotated, but second iron sheet (93) actuation is on second magnet ring (122).
2. A user-friendly resistor as claimed in claim 1, wherein: two ends of the resistor body (5) are respectively fixed with a mounting plate (51), and connecting ends of the two ends of the resistor body (5) respectively penetrate through the two mounting plates (51); two a gag lever post (511) is established respectively to the bottom of mounting panel (51), be equipped with two spacing holes (311) on mount pad (3), two gag lever posts (511) insert respectively in two spacing holes (311).
3. A user-friendly resistor as claimed in claim 2, wherein: and the limiting rod (511) is in interference fit with the limiting hole (311).
4. A conveniently used resistor according to claim 2, wherein: the box body (1), the box cover (2), the mounting seat (3), the fixing block (91) and the mounting plate (51) are all made of insulating materials.
5. A user-friendly resistor as claimed in claim 1, wherein: the connecting structure comprises a first connecting plate (6), a second connecting plate (7), a guide sheet (71), a first connecting sheet (42), a second connecting sheet (43), a connecting ring (8), a first binding post (11) and a second binding post (12), which are all made of conductive materials.
6. A user-friendly resistor as claimed in claim 1, wherein: the box body (1) and the box cover (2) are movably connected through a buckle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110738728.4A CN113363028B (en) | 2021-06-30 | 2021-06-30 | Resistor convenient to use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110738728.4A CN113363028B (en) | 2021-06-30 | 2021-06-30 | Resistor convenient to use |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113363028A CN113363028A (en) | 2021-09-07 |
| CN113363028B true CN113363028B (en) | 2023-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110738728.4A Active CN113363028B (en) | 2021-06-30 | 2021-06-30 | Resistor convenient to use |
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| Country | Link |
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| CN (1) | CN113363028B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29501692U1 (en) * | 1995-02-03 | 1995-04-06 | Preh-Werke GmbH & Co. KG, 97616 Bad Neustadt | Locking device for a rotatable component |
| CN202872028U (en) * | 2012-11-01 | 2013-04-10 | 严文华 | Earphone socket |
| CN209279038U (en) * | 2019-01-28 | 2019-08-20 | 广东康彩照明科技有限公司 | A kind of universal lighting |
| CN210892127U (en) * | 2019-11-26 | 2020-06-30 | 神池县合什得绿色生态开发有限公司 | Workshop air cooler convenient to installation |
| CN211424829U (en) * | 2020-01-09 | 2020-09-04 | 安徽翔弘仪器科技有限公司 | Medium-sized low-temperature coolant circulating pump |
| CN112002508A (en) * | 2020-08-25 | 2020-11-27 | 广州赛宝计量检测中心服务有限公司 | Resistance box |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3628346B2 (en) * | 1994-04-18 | 2005-03-09 | 北陸電気工業株式会社 | Variable resistor unit for high voltage |
-
2021
- 2021-06-30 CN CN202110738728.4A patent/CN113363028B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29501692U1 (en) * | 1995-02-03 | 1995-04-06 | Preh-Werke GmbH & Co. KG, 97616 Bad Neustadt | Locking device for a rotatable component |
| CN202872028U (en) * | 2012-11-01 | 2013-04-10 | 严文华 | Earphone socket |
| CN209279038U (en) * | 2019-01-28 | 2019-08-20 | 广东康彩照明科技有限公司 | A kind of universal lighting |
| CN210892127U (en) * | 2019-11-26 | 2020-06-30 | 神池县合什得绿色生态开发有限公司 | Workshop air cooler convenient to installation |
| CN211424829U (en) * | 2020-01-09 | 2020-09-04 | 安徽翔弘仪器科技有限公司 | Medium-sized low-temperature coolant circulating pump |
| CN112002508A (en) * | 2020-08-25 | 2020-11-27 | 广州赛宝计量检测中心服务有限公司 | Resistance box |
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| CN113363028A (en) | 2021-09-07 |
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