All-insulation fuse type disconnecting switch

Abstract

The utility model relates to the technical field of all-insulation fuse-type disconnecting switches, in particular to an all-insulation fuse-type disconnecting switch, which comprises a box body and an all-insulation fuse-type disconnecting switch arranged in the box body, and two sides of the all-insulation fuse-type disconnecting switch are respectively provided with a fixing rod, a fixing plate, a fixing block and a connecting plate. The connecting plate is fixed on the outer wall of the all-insulation fuse type disconnecting switch, and the fixing rod is arranged in the connecting plate. A fixing plate on the all-insulation fuse-type disconnecting switch is inserted into a rectangular opening and rotated into a rectangular groove, then the all-insulation fuse-type disconnecting switch can be rapidly installed and fixed on a fixing block through extrusion and fixation of a first spring and a second spring, and when the all-insulation fuse-type disconnecting switch needs to be disassembled, the fixing plate is controlled to be moved out of the fixing block, so that the all-insulation fuse-type disconnecting switch is conveniently disassembled. Therefore, the all-insulation fuse type disconnecting switch can be quickly disassembled and taken down from the fixing block, and the operation is relatively convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to full insulation fuse type isolating switch technical field especially relates to a full insulation fuse type isolating switch. BACKGROUND

[0002] Full insulation fuse type isolating switch is a kind of electrical equipment combined full insulation design, fuse protection and isolating switch function.It can cut off power supply when circuit maintenance, overhaul or fault handling, provide safe isolation, and protect circuit and equipment by fusing mechanism when necessary.Full insulation design: all parts of the device adopt insulation material, ensure that sufficient electrical isolation is provided under normal operation and fault condition.This greatly reduces the risk of electric shock, and improves the safety of equipment.Fuse protection: when the current in the circuit exceeds the rated value of fuse, fuse will automatically fuse, cut off circuit.This process is automatic, without manual intervention, thereby providing timely overload and short-circuit protection.Isolating switch function: in addition to fusing mechanism, the device also has the function of isolating switch.Operating personnel can manually disconnect or connect circuit by operating switch, realize flexible control of circuit.

[0003] In the prior art, full insulation fuse type isolating switch can realize insulation, short-circuit protection and isolating switch function, and full insulation fuse type isolating switch is generally fixed in the interior of box body by four bolts during installation, although full insulation fuse type isolating switch can be fixed, but during installation and disassembly of full insulation fuse type isolating switch, multiple bolts need to be screwed in or out by screwdriver, which is more troublesome, therefore, the full insulation fuse type isolating switch is proposed. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the full insulation fuse type isolating switch in prior art is fixed by multiple bolts, which can cause the full insulation fuse type isolating switch to be more troublesome during installation and disassembly, and proposes a full insulation fuse type isolating switch.

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

[0006] A full insulation fuse type isolating switch, comprising a box body and a full insulation fuse type isolating switch installed in the interior of the box body, both sides of the full insulation fuse type isolating switch are provided with a fixing rod, a fixing plate, a fixing block and a connecting plate.

[0007] The connecting plate is fixed to the outer wall of the full insulation fuse type isolating switch, the fixing rod is arranged in the connecting plate, the fixing plate is fixed to one end of the fixing rod, and the fixing block is fixed to the box body.

[0008] Preferably, the fixed plate is arranged in a rectangular shape, one side of the connecting plate is provided with a cylindrical groove, the other side of the connecting plate is provided with a circular hole which is in communication with the inside of the cylindrical groove, the inner wall of the cylindrical groove is fixedly connected with a support ring in a circular ring shape, the inside of the cylindrical groove is movably provided with a limiting ring in a circular ring shape, the limiting ring is fixedly connected with the fixed rod, and the fixed rod is sequentially inserted into the circular hole and the support ring.

[0009] Preferably, the outer wall of the fixed rod located in the cylindrical groove is sleeved with a first spring, the top of the first spring is attached to the limiting ring, and the bottom of the first spring is attached to the support ring.

[0010] Preferably, the bottom of the fixed block is provided with a cylindrical cavity, the top of the fixed block is provided with a rectangular port which is in communication with the inside of the cylindrical cavity, the inner top of the cylindrical cavity is provided with a rectangular groove, and the fixed plate is slidably connected with the rectangular port and the rectangular groove.

[0011] Preferably, the bottom of the fixed block is fixedly connected with a circular plate, the top of the circular plate is fixedly connected with a second spring, the top of the second spring is fixedly connected with a pressing plate, the pressing plate is slidably connected with the inner wall of the cylindrical cavity, and the second spring is arranged in the inside of the cylindrical cavity.

[0012] Preferably, one end of the fixed rod is fixedly connected with a mounting handle.

[0013] Compared with the prior art, the device has the following beneficial effects:

[0014] When the device is used, the fixed plate on the full-insulation fuse-type disconnecting switch is inserted into the rectangular port and rotated into the inside of the rectangular groove, and then the full-insulation fuse-type disconnecting switch can be quickly mounted and fixed on the fixed block through the extrusion and fixation of the first spring and the second spring. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a vertical installation three-dimensional structure schematic view of the full-insulation fuse-type disconnecting switch;

[0016] Figure 2 It is a horizontal installation three-dimensional structure schematic view of the full-insulation fuse-type disconnecting switch;

[0017] Figure 3 It is a connection three-dimensional structure schematic view of the first spring, the second spring, the fixed plate, the fixed rod and the fixed block;

[0018] Figure 4The fixed block, the rectangular port, the rectangular slot, the second spring and the extrusion plate are connected.

[0019] In the figure: 1, full insulation fuse disconnecting switch; 2, fixed rod; 3, fixed plate; 4, fixed block; 5, connecting plate; 6, cylindrical groove; 7, support ring; 8, limiting ring; 9, first spring; 10, cylindrical cavity; 11, rectangular port; 12, rectangular slot; 13, round plate; 14, second spring; 15, extrusion plate; 16, mounting handle. DETAILED DESCRIPTION

[0020] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] Reference Figures 1-4 A full insulation fuse disconnecting switch, comprising a box body and a full insulation fuse disconnecting switch 1 installed inside the box body, and the full insulation fuse disconnecting switch 1 is provided with fixed rods 2, fixed plates 3, fixed blocks 4 and connecting plates 5 on both sides.

[0022] It should be noted that the full insulation fuse disconnecting switch 1 adopts specific models and specifications which need to be selected and determined according to the actual specifications of the device. The specific selection calculation method adopts the existing technology in the art, so it is not described, and the power supply can be provided by external equipment and the opening and closing can be controlled.

[0023] It should be noted that the full insulation fuse disconnecting switch 1 is an electrical device that combines full insulation design, fuse protection and disconnecting switch function. It can cut off the power supply during circuit maintenance, repair or fault handling, provide safe isolation, and protect the circuit and equipment through the fuse mechanism when necessary. Full insulation design: some parts of the device are made of insulating materials to ensure sufficient electrical isolation under normal operation and fault conditions. This greatly reduces the risk of electric shock and improves the safety of the device. Fuse protection: when the current in the circuit exceeds the rated value of the fuse, the fuse will automatically melt and cut off the circuit. This process is automatic and does not require manual intervention, thereby providing timely overload and short circuit protection. Disconnecting switch function: In addition to the fuse mechanism, the device also has the function of a disconnecting switch. The operator can manually disconnect or connect the circuit by operating the switch to achieve flexible control of the circuit.

[0024] The connecting plate 5 is fixed to the outer wall of the full-insulation fuse-type isolating switch 1, the fixing rod 2 is arranged in the connecting plate 5, the fixing plate 3 is fixed to one end of the fixing rod 2, and the fixing block 4 is fixed to the box body.

[0025] Further, the fixing plate 3 is arranged in a rectangular shape, one side of the connecting plate 5 is provided with a cylindrical groove 6, the other side of the connecting plate 5 is provided with a circular hole penetrating the inside of the cylindrical groove 6, the inner wall bottom of the cylindrical groove 6 is fixedly connected with a support ring 7 in a circular ring shape, the inside of the cylindrical groove 6 movably arranged with a limiting ring 8 in a circular ring shape, the limiting ring 8 is fixedly connected with the fixing rod 2, the fixing rod 2 is sequentially inserted into the circular hole and the support ring 7, it should be noted that the limiting ring 8 and the first spring 9 are installed into the inside of the cylindrical groove 6, and then the support ring 7 is welded and fixed, so that the limiting ring 8 and the first spring 9 are conveniently installed.

[0026] Further, the outer wall of the fixing rod 2 in the cylindrical groove 6 is sleeved with the first spring 9, the top of the first spring 9 is attached to the limiting ring 8, and the bottom of the first spring 9 is attached to the support ring 7, it should be noted that through the arrangement of the limiting ring 8 and the first spring 9, the fixing plate 3 can be stably inserted into the rectangular groove 12.

[0027] Further, the bottom of the fixing block 4 is provided with a cylindrical cavity 10, the top of the fixing block 4 is provided with a rectangular port 11 penetrating the inside of the cylindrical cavity 10, the inner top of the cylindrical cavity 10 is provided with a rectangular groove 12, and the fixing plate 3 is slidably connected with the rectangular port 11 and the rectangular groove 12.

[0028] Further, the bottom of the fixing block 4 is fixedly connected with a circular plate 13, the top of the circular plate 13 is fixedly connected with a second spring 14, the top of the second spring 14 is fixedly connected with an extrusion plate 15, the extrusion plate 15 is slidably connected with the inner wall of the cylindrical cavity 10, and the second spring 14 is arranged in the inside of the cylindrical cavity 10, it should be noted that the extrusion plate 15 and the second spring 14 are installed into the inside of the cylindrical cavity 10, and then the circular plate 13 is welded and fixed, so that the extrusion plate 15 and the second spring 14 are conveniently installed.

[0029] It should be noted that through the arrangement of the extrusion plate 15 and the second spring 14, the fixing plate 3 can be stably inserted into the rectangular groove 12

[0030] Further, one end of the fixing rod 2 is fixedly connected with a mounting handle 16, it should be noted that the mounting handle 16, the fixing rod 2 and the fixing plate 3 are made of polyethylene material, polyethylene has good insulation performance and mechanical strength, so that the mounting handle 16, the fixing rod 2 and the fixing plate 3 can not only reduce the risk of electric shock, but also have high hardness, and can meet the installation of the full-insulation fuse-type isolating switch 1.

[0031] The working principle of the utility model is:

[0032] First, the hand full insulation fuse type disconnecting switch 1, and then through the installation handle 16 and fixed rod 2 extrusion fixed plate 3, let two fixed plate 3 respectively inserted into two fixed block 4 on the rectangular port 11, continue to control fixed plate 3 moves to the inside of cylindrical cavity 10, limit ring 8 plate will extrude the first spring 9, extrusion plate 15 will extrude the second spring 14;

[0033] Then, control fixed plate 3 clockwise rotation 90 °, and loosen the installation handle 16, under the action of the first spring 9 and the second spring 14 reset force, fixed plate 3 will be stably fixed in the rectangular groove 12 inside, can also quickly install full insulation fuse type disconnecting switch 1 and fixed on the fixed block 4;

[0034] Finally, control fixed plate 3 counterclockwise rotation 90 °, and loosen the installation handle 16, under the action of the first spring 9 and the second spring 14 reset force, fixed plate 3 will be removed from the inside of fixed block 4, so that the full insulation fuse type disconnecting switch 1 can be quickly disassembled from the fixed block 4, more convenient.

[0035] The above, only for the preferred specific embodiments of the present application, but the scope of the present application is not limited to this, any skilled in the art of the technical personnel in the present application disclosed in the technical range, according to the technical scheme of the present application and the utility model concept of the present application to replace or change, should be covered in the scope of the present application.

Claims

1. An all-insulated fuse-type disconnector comprising a housing and an all-insulated fuse-type disconnector (1) installed inside the housing, characterized in that, Both sides of the full insulation fuse type disconnecting switch (1) are provided with fixing rods (2), fixing plates (3), fixing blocks (4) and connecting plates (5); The connecting plate (5) is fixed to the outer wall of the full insulation fuse type disconnecting switch (1), the fixing rod (2) is arranged in the connecting plate (5), the fixing plate (3) is fixed to one end of the fixing rod (2), and the fixing block (4) is fixed to the box.

2. An all-insulated fused disconnector according to claim 1, characterized in that The fixing plate (3) is arranged in a rectangular shape, one side of the connecting plate (5) is provided with a cylindrical groove (6), the other side of the connecting plate (5) is provided with a circular hole which is internally through with the cylindrical groove (6), the inner wall bottom of the cylindrical groove (6) is fixedly connected with a support ring (7) in a circular ring shape, the inside of the cylindrical groove (6) is movably provided with a limiting ring (8) in a circular ring shape, the limiting ring (8) is fixedly connected with the fixing rod (2), and the fixing rod (2) is sequentially inserted into the circular hole and the support ring (7).

3. An all-insulated fused disconnector according to claim 2, characterized in that The outer wall of the fixing rod (2) located in the cylindrical groove (6) is sleeved with a first spring (9), the top of the first spring (9) is attached to the limiting ring (8), and the bottom of the first spring (9) is attached to the support ring (7).

4. An all-insulated fused disconnector according to claim 1, characterized in that The bottom of the fixing block (4) is provided with a cylindrical cavity (10), the top of the fixing block (4) is provided with a rectangular port (11) which is internally through with the cylindrical cavity (10), the inner top of the cylindrical cavity (10) is provided with a rectangular groove (12), and the fixing plate (3) is slidably connected with the rectangular port (11) and the rectangular groove (12).

5. An all-insulated fuse disconnect switch according to claim 4, characterized in that The bottom of the fixing block (4) is fixedly connected with a circular plate (13), the top of the circular plate (13) is fixedly connected with a second spring (14), the top of the second spring (14) is fixedly connected with a pressing plate (15), the pressing plate (15) is slidably connected with the inner wall of the cylindrical cavity (10), and the second spring (14) is arranged in the cylindrical cavity (10).

6. An all-insulated fusible disconnect according to claim 1 wherein, One end of the fixing rod (2) is fixedly connected with a mounting handle (16).

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