CN210378644U

CN210378644U - Novel resistor

Info

Publication number: CN210378644U
Application number: CN201921289397.5U
Authority: CN
Inventors: 刘秀军
Original assignee: Jiangsu Jingyi Electrical Appliance Co ltd
Current assignee: Jiangsu Jingyi Electrical Appliance Co ltd
Priority date: 2019-08-09
Filing date: 2019-08-09
Publication date: 2020-04-21
Anticipated expiration: 2029-08-09

Abstract

The utility model discloses a novel resistor, which comprises a supporting seat and a moving device, wherein the left end of the supporting seat is sleeved with a ceramic tube, the dustproof device of the utility model consists of a telescopic sleeve plate, a clamping groove, a spring and a bottom plate, when the moving device starts to move leftwards, the telescopic sleeve plate is pushed by a contact copper block to lead the spring to be stressed and contracted, when the moving device starts to move rightwards, the telescopic sleeve plate is contacted with the contact copper block rightwards through spring rebounding, when the work is finished, the moving device slides to the rightmost side, the telescopic sleeve plate is contacted with the contact copper block rightwards through spring rebounding to cover a moving groove for dustproof, the beneficial effects are that after the experiment of the resistor is finished, the moving device on the resistor slides to the rightmost side, a resistance groove on the moving groove is covered and placed through the dustproof device, the resistor is placed on a placing rack to prevent dust pollution after, influence the use of follow-up experiments, reduce the accuracy.

Description

Novel resistor

Technical Field

The utility model belongs to the technical field of the resistor is relevant, concretely relates to novel resistor.

Background

Resistors (resistors) are commonly and directly referred to as resistances in daily life. Is a current limiting element, and after a resistor is connected in a circuit, the resistance value of the resistor is fixed, generally two pins, and the resistor can limit the current passing through a branch connected with the resistor. The resistance value that cannot be changed is called a fixed resistor. Variable resistance is called a potentiometer or a variable resistor. Ideally the resistor is linear, i.e. the instantaneous current through the resistor is proportional to the applied instantaneous voltage. A variable resistor for voltage division. On the exposed resistor body, one to two movable metal contacts are pressed. The contact location determines the resistance between either end of the resistor and the contact.

The prior art has the following problems: when using novel resistor to carry out the experiment, measure the resistance value through the mobile device, the experiment is accomplished and is placed the resistor on the rack, but the resistance wire in shifting chute exposes in the air, and the time overlength is infected with the dust easily, influences follow-up resistance experiment measuring accurate.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel resistor to solve and put forward in the above-mentioned background art when using novel resistor to experiment, measure the resistance through the mobile device, the experiment is accomplished and is placed the resistor on the rack, but the resistance wire of shifting chute exposes in the air, and the time overlength is infected with the dust easily, influences the accurate problem of follow-up resistance experiment measurement.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a novel resistor, includes supporting seat and mobile device, the left end of supporting seat has cup jointed ceramic tube, ceramic tube has cup jointed insulating casing, insulating casing's the upper end left and right sides is inlayed and is had the copper sheet to connect, the copper sheet connects and links to each other with the external power supply electrical property, the left side that the copper sheet connects is located insulating casing's well left side and has cup jointed mobile device, the middle part that the end is located insulating casing about mobile device is provided with the shifting chute, the left side that the left side of shifting chute is located mobile device is inlayed and is had dust keeper, dust keeper includes flexible lagging, draw-in groove, spring and bottom plate, the upper and lower end of flexible lagging is provided with the draw-in groove, the inside of draw-in groove is inlayed and is had the spring, the left end welding of flexible lagging has the bottom plate, dust keeper.

Preferably, the mobile device comprises a mobile copper sheet, a fixing bolt, a mobile frame and a contact copper block, the contact copper block is welded on the right side of the inner end of the mobile frame, the fixing bolt penetrates through the upper side of the mobile frame, and the mobile copper sheet is welded above the fixing bolt at the upper end of the mobile frame.

Preferably, the supporting seat comprises a supporting plate, a supporting rod and a fixing plate, the supporting rod penetrates through the left end and the right end of the supporting plate, and the fixing plate is welded at the lower end of the supporting plate.

Preferably, the resistance wire is uniformly wound on the ceramic tube, and the end head and the end tail of the resistance wire are connected to the two copper sheet connectors.

Preferably, the number of the telescopic sleeve plates is four, and the four telescopic sleeve plates are sleeved together from small to large to perform telescopic work.

Preferably, a copper wire is embedded in the movable frame, and the copper wire is welded with the movable copper sheet and the contact copper block.

Preferably, the support rod penetrates through the ceramic tube and is connected with the two support seats to support the resistor.

Preferably, the insulating shell is coated with insulating paint to prevent electric shock during experiment.

Compared with the prior art, the utility model provides a novel resistor possesses following beneficial effect:

1. the utility model discloses dust keeper is by flexible lagging, the draw-in groove, spring and bottom plate are constituteed, flexible lagging joint is in the draw-in groove of shifting chute, through be connected with lagging and bottom plate with the spring in the draw-in groove, when the mobile device begins to move left and remove, flexible lagging is promoted by the contact copper billet and makes the spring atress shrink, flexible lagging through the spring bounce-back with have the contact copper billet to right to contact when the mobile device begins to move right and remove, slide the mobile device to the rightmost side after work, flexible lagging is through the spring bounce-back with have the contact copper billet to right to contact and cover the shifting chute and prevent dust.

2. The utility model discloses dust keeper beneficial effect is that after the experiment was accomplished to the resistor, the mobile device on with the resistor slides rightmost side, covers the resistance groove on with the shifting chute through dust keeper and places, places it and is infected with the dust after preventing time overlength on the rack, influences the use of follow-up experiment, reduces the accuracy.

Drawings

The accompanying drawings 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, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic structural diagram of a novel resistor according to the present invention;

fig. 2 is a schematic view of a novel resistor dustproof structure provided by the present invention;

fig. 3 is a schematic structural view of a novel resistor moving device provided by the present invention;

fig. 4 is a schematic structural view of a novel resistor support seat provided by the present invention;

in the figure: 1. a mobile device; 2. an insulating housing; 3. a copper sheet joint; 4. a supporting seat; 5. a ceramic tube; 6. a resistance wire; 7. a moving groove; 8. a dust-proof device; 11. moving the copper sheet; 12. fixing the bolt; 13. a movable frame; 14. contacting the copper block; 41. a support plate; 42. a support bar; 43. a fixing plate; 81. a telescopic sleeve plate; 82. a card slot; 83. a spring; 84. a base plate.

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 novel resistor comprises a supporting seat 4 and a moving device 1, wherein the supporting seat 4 comprises a supporting plate 41, supporting rods 42 and a fixing plate 43, the supporting rods 42 penetrate through the left end and the right end of the supporting plate 41, the supporting rods 42 penetrate through a ceramic tube 5 to be connected with two supporting seats 4 to support the resistor, the whole resistor is supported by the supporting seats 4 through the supporting rods 42, the fixing plate 43 is welded at the lower end of the supporting plate 41, the fixing plate 43 welded below the supporting plate 41 is fixed on a test bench through bolts, the supporting rods 42 in the middle of the supporting plate 41 penetrate through the ceramic tube 5 to be connected with the supporting plate 41 at the other end to support, the ceramic tube 5 is sleeved at the left end of the supporting seat 4, an insulating shell 2 is sleeved on the ceramic tube 5, the insulating shell 2 is coated with insulating paint to prevent electric shock during experiments, and the resistance wires 6, copper sheet joints 3 are embedded on the left side and the right side of the upper end of the insulating shell 2, and the copper sheet joints 3 are electrically connected with an external power supply.

A novel resistor comprises a moving device 1, wherein the moving device 1 is sleeved on the left side of a copper sheet joint 3 and located on the middle left side of an insulating shell 2, a copper wire is inlaid in a moving frame 13 and welded with a moving copper sheet 11 and a contact copper block 14, a live wire on a power line is connected to the copper sheet joint 3 on the insulating shell 2, the moving copper sheet 11 on the moving device 1 is connected with a test device, the other joint of the test device is connected with a power supply zero line to form series connection, electrification is started for carrying out an experiment, a resistance wire 6 flowing from a power supply to the resistor through current is limited by the resistance wire 6, the current is reduced to flow to the test device, the moving device 1 comprises the moving copper sheet 11, a fixing bolt 12, a moving frame 13 and the contact copper block 14, the contact copper block 14 is welded on the right side of the inner end of the moving frame 13, the fixing bolt 12 penetrates through the upper side of the moving frame 13, the, wherein, the fixing bolt 12 is unscrewed by a tool, the moving frame 13 is held by bare hands to move, the resistance value is changed by contacting the copper block 14 with the resistance wire 6 in the moving groove 7, the resistance value is increased when the copper block moves leftwards, and the resistance value is decreased when the copper block moves rightwards.

A novel resistor comprises a movable groove 7 arranged at the left end and the right end of a movable device 1 in the middle of an insulating shell 2, a dustproof device 8 is inlaid at the left end of the movable device 1 at the left side of the movable groove 7, the dustproof device 8 comprises telescopic sleeve plates 81, clamping grooves 82, springs 83 and a bottom plate 84, the number of the telescopic sleeve plates 81 is four, the four telescopic sleeve plates 81 are sleeved together from small to large to perform telescopic work, wherein when the movable device 1 starts to move leftwards, the telescopic sleeve plates 81 are pushed by contact copper blocks 14 to enable the springs 83 to be stressed and contracted, when the movable device 1 starts to move rightwards, the telescopic sleeve plates 81 rebound through the springs 83 to be in contact with the contact copper blocks 14 rightwards, the clamping grooves 82 are arranged at the upper end and the lower end of the telescopic sleeve plates 81, the springs 83 are inlaid in the clamping grooves 82, the bottom plate 84 is welded at the left end of the telescopic sleeve plates 81, a resistance wire 6 is arranged at the right, the resistance wire 6 evenly twines on ceramic tube 5, and the end tail of resistance wire 6 connect on two copper sheet joints 3, and wherein ceramic tube 5 has the compressive capacity reinforce, high temperature resistance's advantage.

The utility model discloses a theory of operation and use flow: after the utility model is installed, the resistor is firstly conveyed to a designated place, the resistor is supported and fixed through the supporting seat 4, the fixed plate 43 which is welded under the supporting plate 41 is fixed on a test bed through bolts, the supporting rod 42 at the middle part of the supporting plate 41 penetrates through the ceramic tube 5 to be connected with the supporting plate 41 at the other end for supporting, the live wire on the power line is connected on the copper sheet joint 3 on the insulating shell 2, the mobile copper sheet 11 on the mobile device 1 is connected with the test equipment, the other joint of the test equipment is connected with the zero line of the power supply to form series connection, the electrification is started for carrying out experiments, the resistance wire 6 which flows from the power supply to the resistor through the current is limited by the resistance wire 6, the current is reduced to flow to the test equipment, the resistance is changed through the mobile device 1, the fixing bolt 12 is unscrewed through a tool, the mobile frame 13 is grasped by hands to move, the resistance, the resistance value is increased when the mobile device moves leftwards, the resistance value is decreased when the mobile device moves rightwards, the resistance wire 6 in the mobile groove 7 is prevented from being influenced by dust through the dustproof device 8 when the mobile device is used, the telescopic sleeve plate 81 is clamped in the clamping groove 82 in the mobile groove 7 and is connected with the sleeve plate and the bottom plate 84 through the spring 83 in the clamping groove 82, when the mobile device 1 starts to move leftwards, the telescopic sleeve plate 81 is pushed by the contact copper block 14 to enable the spring 83 to be stressed and contracted, when the mobile device 1 starts to move rightwards, the telescopic sleeve plate 81 rebounds through the spring 83 to be in contact with the contact copper block 14 at the right side, after the mobile device 1 is operated, the telescopic sleeve plate 81 slides rightmost to the right side, and the telescopic sleeve plate 81 rebounds through the spring 83 to be in contact.

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

1. A novel resistor comprises a supporting seat (4) and a moving device (1), and is characterized in that: the left end of the supporting seat (4) is sleeved with a ceramic tube (5), the ceramic tube (5) is sleeved with an insulating shell (2), the left side and the right side of the upper end of the insulating shell (2) are inlaid with copper sheet joints (3), the copper sheet joints (3) are electrically connected with an external power supply, the left side of each copper sheet joint (3) is located on the left side of the insulating shell (2) and is sleeved with a mobile device (1), the left end and the right end of the mobile device (1) are located in the middle of the insulating shell (2) and are provided with a mobile groove (7), the left end of the left side of the mobile groove (7) is located on the left end of the mobile device (1) and is inlaid with a dustproof device (8), the dustproof device (8) comprises a telescopic sleeve plate (81), a clamping groove (82), a spring (83) and a bottom plate (84), the upper end and the lower end of the telescopic sleeve plate (81) are provided with a, a bottom plate (84) is welded at the left end of the telescopic sleeve plate (81), and a resistance wire (6) is arranged at the right end of the dustproof device (8) which is located on the moving device (1).

2. A novel resistor according to claim 1, characterized in that: the mobile device (1) comprises a mobile copper sheet (11), a fixing bolt (12), a mobile frame (13) and a contact copper block (14), the contact copper block (14) is welded on the right side of the inner end of the mobile frame (13), the fixing bolt (12) penetrates through the upper side of the mobile frame (13), and the mobile copper sheet (11) is welded above the upper end of the mobile frame (13) and located on the fixing bolt (12).

3. A novel resistor according to claim 1, characterized in that: the supporting seat (4) comprises a supporting plate (41), a supporting rod (42) and a fixing plate (43), the supporting rod (42) penetrates through the left end and the right end of the supporting plate (41), and the fixing plate (43) is welded at the lower end of the supporting plate (41).

4. A novel resistor according to claim 1, characterized in that: the resistance wire (6) is uniformly wound on the ceramic tube (5), and the end head and the end tail of the resistance wire (6) are connected to the two copper sheet joints (3).

5. A novel resistor according to claim 2, characterized in that: the number of the telescopic sleeve plates (81) is four, and the four telescopic sleeve plates (81) are sleeved together from small to large to perform telescopic work.

6. A novel resistor according to claim 2, characterized in that: copper wires are inlaid in the movable frame (13), and the copper wires are welded with the movable copper sheet (11) and the contact copper block (14).

7. A novel resistor according to claim 3, characterized in that: the support rod (42) penetrates through the ceramic tube (5) and is connected with the two support seats (4) to support the resistor.

8. A novel resistor according to claim 1, characterized in that: insulating coating is smeared on the insulating shell (2) to prevent electric shock during experiments.