A voltage-resistant resistor with reinforcing ribs

Abstract

The utility model discloses a withstand voltage resistor with reinforcing ribs, comprising a resistor bracket, wherein support rods are fixedly installed near the four corners of the resistor bracket, a plurality of ceramic rings are fixedly connected to the support rods, resistor sheets are fixedly installed between the ceramic rings, symmetrical placement grooves are opened at the top ends of the two resistor brackets, reinforcing rib plates are arranged at the top ends of the resistor brackets, and symmetrical fixing blocks are fixedly connected on both sides of the reinforcing rib plates. The beneficial effects of the utility model are as follows: through the structural design of the reinforcing rib plates, the resistor brackets, the extrusion rods and the support plates, it is only necessary to place the reinforcing rib plates on the top ends of the resistors, and the extrusion rods can be extruded by the resistor brackets, and the support plates are driven to expand to support the support rods by the extrusion rods, thereby avoiding the situation in which the support rods supporting the resistor sheets are deformed due to the stress caused by a large number of resistor sheets, thereby improving the safety of the resistors.

Description

Technical Field

[0001] The utility model relates to the technical field of resistors, in particular to a withstand voltage resistor with reinforcing ribs. Background Art

[0002] The existing stainless steel chip resistors are made by stamping CNC machine tools and are connected in series through stainless steel brackets, ceramic rings and support rods. This type of resistor is widely used in metallurgy, mining, docks, electricity, subways, construction, machinery manufacturing, etc.

[0003] The existing stainless steel chip resistor support structure is simple, and most of them use brackets at both ends and the resistor is installed in the middle. In addition, due to the internal arrangement of the resistor, it is not convenient to support the middle area. When the number of resistors is large, long-term use will cause the support rods supporting the resistors to be deformed under stress, which poses certain dangers. Utility Model Content

[0004] The purpose of the utility model is to provide a withstand voltage resistor with reinforcing ribs to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a withstand voltage resistor with reinforcing ribs, comprising a resistor bracket, wherein support rods are fixedly installed near the four corners of the resistor bracket, a plurality of ceramic rings are fixedly connected to the support rods, a resistor sheet is fixedly installed between the ceramic rings, symmetrical placement grooves are provided at the tops of the two resistor brackets, reinforcing rib plates are provided at the tops of the resistor brackets, symmetrical fixed blocks are fixedly connected on both sides of the reinforcing rib plates, symmetrical transmission grooves are provided inside the reinforcing rib plates, limiting grooves are provided on the sides of the two transmission grooves close to each other, extrusion rods are slidably connected in the transmission grooves, a handle is fixedly connected to one side of the top of the extrusion rods, one end of the extrusion rods is fixedly connected to a hinge seat, one side of the hinge seat is fixedly connected to a reset spring, one end of the reset spring away from the hinge seat is fixedly connected to the transmission groove, both ends of the hinge seat are hinged to a first transmission rod, one end of the first transmission rod away from the hinge seat is hinged to a second transmission rod, and the bottom end of the second transmission rod is fixedly connected to a support plate.

[0006] Preferably, the end of the extrusion rod away from the hinge seat is designed with an inclined structure, and the extrusion rod is arranged corresponding to the resistor bracket.

[0007] Preferably, the fixing block is arranged corresponding to the placement slot, and the fixing block is movably connected to the placement slot.

[0008] Preferably, the second transmission rod is arranged corresponding to the sliding groove, and the second transmission rod is slidably connected to the sliding groove.

[0009] Preferably, the support plate is arranged corresponding to the support rod, and the support plate is arranged corresponding to the ceramic ring.

[0010] Compared with the prior art, the beneficial effects of the utility model are: through the structural design of the reinforcing rib plate, the resistor bracket, the extrusion rod and the support plate, it is only necessary to place the reinforcing rib plate on the top of the resistor, and the extrusion rod can be extruded through the resistor bracket, and the support plate is driven by the extrusion rod to expand to support the support rod, thereby avoiding the deformation of the support rod supporting the resistor due to the large number of resistor sheets, thereby improving the safety of the resistor. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0012] Figure 2 This is a schematic diagram of the main structure disassembly of the utility model;

[0013] Figure 3 This is a top view of the structure of the reinforcing rib plate of the utility model;

[0014] Figure 4 It is a schematic diagram of the bottom structure of the reinforcing rib plate of the present utility model.

[0015] In the figure: 1. resistor bracket; 2. support rod; 3. ceramic ring; 4. resistor sheet; 5. placement groove; 6. reinforcing rib plate; 7. fixing block; 8. transmission groove; 9. limit groove; 10. extrusion rod; 11. handle; 12. hinge seat; 13. reset spring; 14. first transmission rod; 15. second transmission rod; 16. support plate. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] See also Figure 1-4The utility model provides a technical solution: a withstand voltage resistor with reinforcing ribs, including a resistor bracket 1, a support rod 2 is fixedly installed near the four corners of the resistor bracket 1, a plurality of ceramic rings 3 are fixedly connected to the support rod 2, a resistor sheet 4 is fixedly installed between the ceramic rings 3, two resistor brackets 1 are provided with symmetrical placement grooves 5 at the top, a reinforcing rib plate 6 is provided at the top of the resistor bracket 1, both sides of the reinforcing rib plate 6 are fixedly connected with symmetrical fixed blocks 7, a symmetrical transmission groove 8 is provided inside the reinforcing rib plate 6, and the two transmission grooves 8 are close to each other. A limiting groove 9 is provided on one side, an extrusion rod 10 is slidably connected in the transmission groove 8, a handle 11 is fixedly connected to one side of the top of the extrusion rod 10, one end of the extrusion rod 10 is fixedly connected to a hinge seat 12, one side of the hinge seat 12 is fixedly connected to a return spring 13, the end of the return spring 13 away from the hinge seat 12 is fixedly connected to the transmission groove 8, both ends of the hinge seat 12 are hinged with a first transmission rod 14, the end of the first transmission rod 14 away from the hinge seat 12 is hinged with a second transmission rod 15, and the bottom end of the second transmission rod 15 is fixedly connected to a support plate 16.

[0018] The end of the extrusion rod 10 away from the hinge seat 12 is designed with an inclined structure. The extrusion rod 10 is arranged corresponding to the resistor bracket 1, which is convenient for the resistor bracket 1 to extrude the extrusion rod 10. The fixed block 7 is arranged corresponding to the placement groove 5, and the fixed block 7 is movably connected to the placement groove 5, which is convenient for placing the reinforcing rib plate on the top of the resistor bracket 1. The second transmission rod 15 is arranged corresponding to the limiting groove 9, and the second transmission rod 15 is slidably connected to the limiting groove 9, which is convenient for the limiting groove 9 to extrude and limit the second transmission rod 15. The support plate 16 is arranged corresponding to the support rod 2, and the support plate 16 and the ceramic ring 3 are arranged correspondingly, which is convenient for supporting the support rod 2.

[0019] Specifically, when using the utility model, hold the handle 11, insert the fixing blocks 7 on both sides of the reinforcing rib plate 6 into the corresponding placement grooves 5, and at the same time, the resistor bracket 1 squeezes the extrusion rod 10, and the squeezed extrusion rods 10 move toward each other, and the extrusion rods 10 moving toward each other drive the hinged seat 12 to move toward each other, and the hinged seat 12 moving toward each other squeezes the first transmission rod 14, and the squeezed first transmission rod 14 drives the hinged second transmission rod 15 to move toward the two ends of the limiting groove 9, and the moving second transmission rod 15 drives the support plates 16 at the bottom end to move away from each other, and the support plates 16 moving away from each other move to the bottom end of the ceramic ring 3 set on the support rod 2 to support the support rod 2, so as to prevent the support rod 2 from bending due to the pressure of the resistor sheet 4.

[0020] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A withstand voltage resistor with reinforcing ribs, characterized in that: The invention comprises a resistor bracket (1), wherein support rods (2) are fixedly installed near four corners of the resistor bracket (1), a plurality of ceramic rings (3) are fixedly connected to the support rods (2), a resistor sheet (4) is fixedly installed between the ceramic rings (3), the tops of the two resistor brackets (1) are provided with symmetrical placement grooves (5), the tops of the resistor brackets (1) are provided with reinforcing rib plates (6), both sides of the reinforcing rib plates (6) are fixedly connected with symmetrical fixed blocks (7), the interior of the reinforcing rib plates (6) is provided with symmetrical transmission grooves (8), the sides of the two transmission grooves (8) close to each other are provided with limit grooves (9), and the transmission grooves (8) are provided with symmetrical positioning grooves (9). An extrusion rod (10) is slidably connected in the movable groove (8), a handle (11) is fixedly connected to one side of the top of the extrusion rod (10), one end of the extrusion rod (10) is fixedly connected to a hinge seat (12), one side of the hinge seat (12) is fixedly connected to a return spring (13), one end of the return spring (13) away from the hinge seat (12) is fixedly connected to the transmission groove (8), both ends of the hinge seat (12) are hinged to a first transmission rod (14), one end of the first transmission rod (14) away from the hinge seat (12) is hinged to a second transmission rod (15), and the bottom end of the second transmission rod (15) is fixedly connected to a support plate (16).

2. A withstand voltage resistor with reinforcing ribs according to claim 1, characterized in that: The end of the extrusion rod (10) away from the hinge seat (12) is designed with an inclined structure, and the extrusion rod (10) is arranged corresponding to the resistor bracket (1).

3. The withstand voltage resistor with reinforcing ribs according to claim 1, characterized in that: The fixing block (7) is arranged corresponding to the placement groove (5), and the fixing block (7) is movably connected to the placement groove (5).

4. The withstand voltage resistor with reinforcing ribs according to claim 1, characterized in that: The second transmission rod (15) is arranged corresponding to the limiting groove (9), and the second transmission rod (15) is slidably connected to the limiting groove (9).

5. The withstand voltage resistor with reinforcing ribs according to claim 1, characterized in that: The support plate (16) is arranged correspondingly to the support rod (2), and the support plate (16) is arranged correspondingly to the ceramic ring (3).

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