Protective cover for stainless steel resistor

Abstract

The utility model discloses a protective cover for a stainless steel resistor, which comprises a resistor body, U-shaped fixing seats are arranged at the upper end and the lower end of the resistor body, supporting blocks are fixedly connected to the side walls of the left end and the right end of the lower U-shaped fixing seat, and a rectangular annular cover is sleeved on the resistor body. The lower end of the rectangular annular cover abuts against and makes contact with the upper ends of the two supporting blocks. According to the utility model, the rectangular annular cover is sleeved on the resistor body, so that the limiting block is inserted into the U-shaped positioning block and is in abutting contact with the supporting block, and the stud and the nut are matched for fixation, so that the resistor body is convenient to overhaul after disassembly and replacement, the side edge of the resistor body is effectively protected, and damage caused by accidental impact is avoided; the dustproof cover is fixed on the side wall, directly facing the first opening, of the rectangular annular cover in cooperation with the screw, so that wiring of the resistor body is facilitated, dustproof protection is provided for the resistor body in cooperation with the dustproof strip, and normal operation of the resistor body is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to stainless steel resistor technical field especially relates to a protective cover for stainless steel resistor. BACKGROUND

[0002] Stainless steel resistor is suitable for alternating current circuit, is mainly used as the starting, braking and speed regulation of motor, has the advantages such as corrosion resistance, no contact resistance and simple maintenance, and stainless steel resistor is widely used in the braking resistance of various cranes, tire crane and electric locomotive, frequency converter braking resistance and transformer neutral point resistance etc.

[0003] The existing stainless steel resistor lacks protective structure on the side in actual use, is easily damaged due to accidental impact, and the protective cover is inconvenient to disassemble and replace, and the resistor is inconvenient to overhaul, and the protective cover for stainless steel resistor is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies and defects in the prior art, the utility model provides a protective cover for stainless steel resistor to solve the technical problems that the existing stainless steel resistor lacks protective structure on the side in actual use, is easily damaged due to accidental impact, and the protective cover is inconvenient to disassemble and replace, and the resistor is inconvenient to overhaul.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A protective cover for stainless steel resistor, including resistor body, the upper and lower ends of the resistor body are equipped with U-shaped fixing seat, the left and right end side walls of the lower U-shaped fixing seat are fixedly connected with support block, the resistor body is sleeved with rectangular ring cover, the lower end of the rectangular ring cover is in contact with the upper end of the two support blocks, the left and right ends of the two U-shaped fixing seats are equipped with positioning assembly, the positioning assembly is fixedly connected with the inner wall of rectangular ring cover, the right side wall of rectangular ring cover is equipped with first opening, the wiring end of resistor body is arranged through first opening, the side wall opposite first opening of rectangular ring cover is equipped with dustproof assembly.

[0007] Preferably, the positioning assembly comprises U-shaped positioning blocks fixedly connected to the left and right side walls of the two U-shaped fixing bases respectively, the openings of the two U-shaped positioning blocks in the same horizontal plane are oppositely arranged, the left and right inner walls of the center position of the rectangular ring cover are both provided with limiting blocks, the two limiting blocks in the same horizontal plane are respectively inserted into the openings of the two U-shaped positioning blocks in the same horizontal plane, a double-headed bolt horizontally penetrates between the U-shaped positioning blocks and the limiting blocks, and the front and rear ends of the double-headed bolt are both threadedly sleeved with nuts, and the two nuts are respectively abutted and pressed against the front and rear ends of the U-shaped positioning blocks.

[0008] Preferably, the U-shaped positioning blocks and the U-shaped fixing bases are welded and fixed, and the limiting blocks and the rectangular ring cover are integrally formed.

[0009] Preferably, the dustproof assembly comprises a dust cover arranged on the right end side wall of the rectangular ring cover, the dust cover is arranged opposite to the first opening, a plurality of screws are fixedly connected between the dust cover and the side wall of the rectangular ring cover, the dust cover is provided with a second opening opposite to the inner wall of the first opening, a plurality of dust strips are fixedly connected to the top surface and the bottom of the second opening, and the plurality of dust strips are in abutted contact.

[0010] Preferably, the dust cover is in convex letter shape in cross section.

[0011] Preferably, the dust strip is a corrosion-resistant rubber product.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1. The rectangular ring cover is sleeved on the resistor body, the limiting blocks are inserted into the U-shaped positioning blocks and abut against the supporting blocks, the double-headed bolt and the nut are used for fixing, the resistor body can be conveniently disassembled and replaced for maintenance, the side edge of the resistor body is effectively protected, and damage caused by accidental impact is avoided.

[0014] 2. The dust cover is fixed on the side wall of the rectangular ring cover opposite to the first opening through the screw, the resistor body is conveniently wired, the dust strip is used for providing dustproof protection for the resistor body, and normal operation of the resistor body is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A cross-sectional view of a protective cover for a stainless steel resistor is provided in the utility model;

[0016] Figure 2 A Figure 1 A local enlarged view of A in the middle;

[0017] Figure 3The utility model provides a kind of U-shaped positioning block and limit block structure schematic diagram of protective cover for stainless steel resistor.

[0018] Figure 4 The utility model provides a kind of split structure schematic diagram of rectangular ring cover and dust cover for protective cover for stainless steel resistor.

[0019] In the drawing: 1 resistor body, 2 U-shaped fixed seat, 3 support block, 4 rectangular ring cover, 5 first opening, 6 U-shaped positioning block, 7 limit block, 8 double head bolt, 9 nut, 10 dust cover, 11 screw, 12 second opening, 13 dust strip. Specific embodiments

[0020] In the description of the utility model, it needs to be understood that the orientation or position relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and is not indicative or suggestive of the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, so it cannot be understood as a limitation on the utility model.

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0022] Reference Figures 1-4The utility model provides a protection cover for stainless steel resistor, including resistor body 1, both upper and lower ends of resistor body 1 are equipped with U type fixed seat 2, the left and right two end side walls of lower U type fixed seat 2 are all fixedly connected with support block 3, resistor body 1 is sleeved with rectangular annular cover 4, and the lower end of rectangular annular cover 4 is in contact with the upper end of two support blocks 3, and the left and right two ends of two U type fixed seats 2 are equipped with positioning assembly, and the inner wall of rectangular annular cover 4 is fixedly connected with positioning assembly, and positioning assembly includes the U type positioning block 6 fixedly connected on the left and right two end side walls of the center position of two U type fixed seats 2 respectively, and the two U type positioning blocks 6 on the same horizontal plane are oppositely arranged, and the left and right two side inner walls of the center position of rectangular annular cover 4 are all equipped with limiting block 7, and the two limiting blocks 7 on the same horizontal plane are respectively inserted into the opening of the two U type positioning blocks 6 on the same horizontal plane, and the same double-end bolt 8 is horizontally penetrated between U type positioning block 6 and limiting block 7, and the front and rear two ends of double-end bolt 8 are all threadedly sleeved with nut 9, and two nuts 9 are respectively pressed tightly with the front and rear two ends of U type positioning block 6, and rectangular annular cover 4 is sleeved on resistor body 1, so that the limiting block 7 on the side of two U type fixed seats 2 is inserted into the opening of U type positioning block 6 on the inner side of rectangular annular cover 4, and the lower U type fixed seat 2 is in contact with the support block 3 on the lower U type fixed seat 2, effectively limits rectangular annular cover 4 on resistor body 1, and the double-end bolt 8 is penetrated through the limiting block 7 and U type positioning block 6 on the same side and is fixed with nut 9, effectively fixes rectangular annular cover 4 on resistor body 1, when disassembling, only need to unscrew a plurality of double-end bolts 8 and nuts 9, then rectangular annular cover 4 can be extracted from resistor body 1, conveniently dismounts and exchanges and then overhauls resistor body 1, U type positioning block 6 is welded with U type fixed seat 2, limiting block 7 is integrally formed with rectangular annular cover 4, and the material of rectangular annular cover 4 and limiting block 7 is aluminum-chromium alloy, and the rectangular annular cover 4 of aluminum-chromium alloy product effectively protects the side of resistor body 1, to avoid damage caused by accidental impact.

[0023] The right side inner wall of the rectangular ring cover 4 is provided with a first opening 5, and the terminal of the resistor body 1 is arranged through the first opening 5; the side wall of the rectangular ring cover 4 opposite to the first opening 5 is provided with a dustproof assembly; the dustproof assembly comprises a dustproof cover 10 arranged on the right end side wall of the rectangular ring cover 4 and arranged opposite to the first opening 5; a plurality of screws 11 are fixedly connected between the dustproof cover 10 and the side wall of the rectangular ring cover 4; the inner wall of the dustproof cover 10 opposite to the first opening 5 is provided with a second opening 12; a plurality of dustproof strips 13 are fixedly connected on the top surface and the bottom of the second opening 12; the plurality of dustproof strips 13 are in abutting contact with each other; the cross section of the dustproof cover 10 is in the shape of a Chinese character 'K'; the dustproof strips 13 are made of corrosion-resistant rubber products; the dustproof cover 10 is fixed on the side wall of the rectangular ring cover 4 opposite to the first opening 5 through the screws 11, so that the resistor body 1 is conveniently wired, and the dustproof strips 13 are used to provide dustproof protection for the resistor body 1, thereby ensuring normal operation of the resistor body 1.

[0024] In use, the rectangular ring cover 4 is sleeved on the resistor body 1, so that the limiting blocks 7 on the side edges of the two U-shaped fixing bases 2 are inserted into the openings of the U-shaped positioning blocks 6 on the inner side of the rectangular ring cover 4, and the lower U-shaped fixing base 2 is in abutting contact with the supporting block 3 on the lower U-shaped fixing base 2, thereby effectively limiting the rectangular ring cover 4 on the resistor body 1; the stud bolts 8 are inserted through the limiting blocks 7 and the U-shaped positioning blocks 6 on the same side and are fixed through the nuts 9, thereby effectively fixing the rectangular ring cover 4 on the resistor body 1; when disassembling, the rectangular ring cover 4 can be pulled out from the resistor body 1 after the stud bolts 8 and the nuts 9 are unscrewed, so that the resistor body 1 is conveniently disassembled and replaced for maintenance; the rectangular ring cover 4 made of aluminum-chromium alloy effectively protects the side edges of the resistor body 1, avoids damage caused by accidental impact, the dustproof cover 10 is fixed on the side wall of the rectangular ring cover 4 opposite to the first opening 5 through the screws 11, so that the resistor body 1 is conveniently wired, and the dustproof strips 13 are used to provide dustproof protection for the resistor body 1, thereby ensuring normal operation of the resistor body 1.

[0025] The above merely describes a preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this; any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A protective cover for a stainless steel resistor, comprising a resistor body (1), the upper and lower ends of the resistor body (1) are provided with a U-shaped fixing seat (2), characterized in that, The lower left and right two ends of the U-shaped fixing base (2) are fixedly connected with support blocks (3), the resistor body (1) is sleeved with a rectangular ring cover (4), the lower end of the rectangular ring cover (4) is in abutting contact with the upper ends of the two support blocks (3), the left and right ends of the two U-shaped fixing bases (2) are provided with positioning assemblies, the positioning assemblies are fixedly connected with the inner walls of the rectangular ring cover (4), the right inner wall of the rectangular ring cover (4) is provided with a first opening (5), the wiring end of the resistor body (1) is arranged to penetrate through the first opening (5), and the side wall of the rectangular ring cover (4) opposite to the first opening (5) is provided with a dustproof assembly.

2. A protective cover for a stainless steel resistor according to claim 1, wherein The positioning assembly comprises U-shaped positioning blocks (6) fixedly connected to the left and right end side walls of the center positions of the two U-shaped fixing bases (2), the openings of the two U-shaped positioning blocks (6) on the same horizontal plane are oppositely arranged, the left and right side inner walls of the center position of the rectangular ring cover (4) are both provided with limiting blocks (7), the two limiting blocks (7) on the same horizontal plane are respectively inserted into the openings of the two U-shaped positioning blocks (6) on the same horizontal plane, and a double-headed bolt (8) is horizontally arranged between the U-shaped positioning blocks (6) and the limiting blocks (7).

3. A protective cover for a stainless steel resistor according to claim 2, wherein The U-shaped positioning blocks (6) and the U-shaped fixing bases (2) are welded and fixed, the limiting blocks (7) and the rectangular ring cover (4) are integrally formed, and the materials of the rectangular ring cover (4) and the limiting blocks (7) are both aluminum-chromium alloy.

4. A protective cover for a stainless steel resistor as defined in claim 1, wherein The dustproof assembly comprises a dust cover (10) arranged on the right end side wall of the rectangular ring cover (4), the dust cover (10) is arranged opposite to the first opening (5), a plurality of screws (11) are fixedly connected between the dust cover (10) and the side wall of the rectangular ring cover (4), the dust cover (10) is provided with a second opening (12) opposite to the inner wall of the first opening (5), a plurality of dust strips (13) are fixedly connected to the top surface and the bottom of the second opening (12), and the plurality of dust strips (13) are in abutting contact.

5. A protective cover for a stainless steel resistor according to claim 4, wherein The dust cover (10) is in a convex shape in cross section.

6. A protective cover for a stainless steel resistor according to claim 4, wherein The dust strips (13) are corrosion-resistant rubber products.

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