Clamping mechanism for preventing electric leakage protection of power electronic component

Abstract

The utility model discloses a clamping mechanism for preventing electric leakage protection of a power electronic component, which comprises a bottom plate, a power electronic component body is arranged in the center of the top of the bottom plate, vertical plates are fixedly connected to four corners of the top of the bottom plate, a guide rod is fixedly connected between the two vertical plates on the same left and right side, and the guide rod is fixedly connected with the bottom of the bottom plate. Two clamping assemblies are slidably connected to the two guide rods in the axial direction, fixing plates are symmetrically installed on the two sides of the top of the bottom plate, and first screw rods are arranged on the outer sides of the fixing plates. The clamping mechanism for preventing electric leakage protection of the power electronic component is reasonable in structural design and convenient to use, a fixed clamping mode is adopted, it can be guaranteed that the clamping mechanism cannot shake after being collided and other factors, adjustment can be conveniently carried out according to the size of equipment to be clamped, the clamping mode in the two opposite directions is adopted, and the clamping efficiency is improved. And the clamping stability is improved to the greatest extent, and the use requirements can be comprehensively met.

Description

Technical Field

[0001] The utility model relates to the technical field of electric power equipment, in particular to a clamping mechanism for preventing leakage protection of power electronic components. Background Art

[0002] Patent document CN202122453135.1 discloses "a leakage prevention device for an electric protector", including a protective shell, support plates are welded to the inner walls on both sides of the protective shell, through holes are opened on the outer surfaces of one side of the two support plates, support rods are connected through the insides of the two through holes, first buffer plates are fixedly connected to the opposite ends of the two support rods, hollow tubes are fixedly connected to the outer surfaces of the opposite sides of the two first buffer plates at the edges near both sides, buffer springs are fixedly connected to the insides of the four hollow tubes, and sliders are welded to one end of the four buffer springs. The utility model solves the problem that traditional leakage prevention devices generally simply block the power of the electric protector, and then in the case of power leakage, part of the power will be conducted out and dispersed through the shaking of the electric protector, thereby causing danger, increasing the potential safety hazards of the device, and making the device inconvenient to use.

[0003] This patent uses elastic components to achieve clamping and fixing of power electronic components, which will still cause shaking when hit, affecting normal use. In addition, only one set of clamping methods in relative directions cannot guarantee the stability of clamping. For this reason, we propose a clamping mechanism for preventing leakage protection of power electronic components to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to provide a clamping mechanism for preventing leakage protection of power electronic components, so as 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 clamping mechanism for preventing leakage protection of power electronic components, comprising a base plate, a power electronic component body is arranged at the central position of the top of the base plate, four corners of the top of the base plate are fixedly connected with vertical plates, a guide rod is fixedly connected between two vertical plates located on the same side, two clamping assemblies are axially slidably connected on the two guide rods, fixed plates are symmetrically installed on both sides of the top of the base plate, a first screw is arranged on the outer side of the fixed plate, one end of the first screw passes through the outside of the fixed plate and is fixedly connected with a rotating block, the outer side of the rotating block is movably connected with a connecting sleeve, and the connecting sleeve is fixedly installed on the outer side of the clamping assembly.

[0006] Furthermore, the clamping assembly includes a main clamping plate, the outer side of the main clamping plate is fixedly connected to the connecting sleeve, the top of the main clamping plate is fixedly connected to a guide slider used in conjunction with the guide rod, the left side of the main clamping plate is fixedly connected to an insulating pad, the left side of the main clamping plate is symmetrically provided with grooves, the position of the insulating pad corresponding to the groove is provided with a through opening interconnected with the insulating pad, the front and rear sides of the main clamping plate are provided with a second screw, one end of the second screw passes through the interior of the groove, the surface of the second screw located in the groove is threadedly connected to a secondary clamping plate, and the left side of the secondary clamping plate passes through the groove and extends to the outside of the through opening.

[0007] Furthermore, a rolling bearing is fixedly installed on the inner wall of the groove at a position corresponding to the second screw rod, and one end of the second screw rod passes through the interior of the rolling bearing and is movably connected thereto.

[0008] Furthermore, a sealing ring is fixedly connected to the outer side of the connecting sleeve at a position corresponding to the first screw rod, and the inner side of the sealing ring is in contact with the surface of the first screw rod.

[0009] Furthermore, one end of the first screw rod away from the connecting sleeve is fixedly connected to a rocker handle, and one end of the second screw rod away from the main clamping plate is fixedly connected to a rotating handle.

[0010] Furthermore, an external thread is provided on the surface of the first screw rod, and an internal thread matching the external thread is provided at a position of the fixing plate corresponding to the first screw rod.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] After the power electronic component body to be clamped and fixed is placed on the top of the bottom plate, the utility model can rotate the first screws on both sides according to the length of the power electronic component body, and the threaded connection with the fixed plate can drive the rotating block to rotate and move inward. Under the connection limit of the guide rod and the guide slider, the connecting sleeve can push the main clamping plate to translate inward to achieve the clamping of the left and right sides of the power electronic component body. According to the width, the outer rotating handle and the second screw can be rotated, and the auxiliary clamping plate threadedly connected thereto can move in the front and back directions, thereby achieving front and back side clamping. The clamping mechanism for preventing leakage protection of power electronic components has a reasonable structural design and is easy to use. It adopts a fixed clamping method to ensure that it will not shake after being hit by factors such as collision, and can be conveniently adjusted according to the size of the device to be clamped. It adopts two sets of clamping methods in opposite directions to maximize the stability of clamping and fully meet the use requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0014] Figure 2 It is a top view of the structure section of the clamping assembly of the utility model;

[0015] Figure 3 This is a structural cross-sectional view of the first screw, the rotating block and the connecting sleeve of the utility model.

[0016] In the figure: 1 bottom plate, 2 power electronic component body, 3 vertical plate, 4 guide rod, 5 clamping assembly, 51 main clamping plate, 52 guide slider, 53 insulating pad, 54 groove, 55 through port, 56 second screw, 57 auxiliary clamping plate, 58 rolling bearing, 59 rotating handle, 6 fixed plate, 7 first screw, 8 rotating block, 9 connecting sleeve, 10 sealing ring, 11 rocker handle. DETAILED DESCRIPTION

[0017] 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.

[0018] See also Figure 1-3 A clamping mechanism for preventing leakage protection of power electronic components includes a base plate 1, a power electronic component body 2 is arranged at the center position of the top of the base plate 1, four corners of the top of the base plate are fixedly connected with vertical plates 3, a guide rod 4 is fixedly connected between two vertical plates 3 located on the same side of the left and right sides, two clamping components 5 are axially slidably connected on the two guide rods 4, fixed plates 6 are symmetrically installed on both sides of the top of the base plate 1, a first screw rod 7 is arranged on the outer side of the fixed plate 6, one end of the first screw rod 7 penetrates through the outside of the fixed plate 6 and is fixedly connected with a rotating block 8, the outer side of the rotating block 8 is movably connected with a connecting sleeve 9, and the connecting sleeve 9 is fixedly installed on the outer side of the clamping component 5.

[0019] Specifically, the clamping assembly 5 includes a main clamping plate 51, the outer side of the main clamping plate 51 is fixedly connected to the connecting sleeve 9, the top of the main clamping plate 51 is fixedly connected to the position of the guide rod 4, and the left side of the main clamping plate 51 is fixedly connected to an insulating pad 53, and the insulating pad 53 has a good leakage protection function. The left side of the main clamping plate 51 is symmetrically provided with a groove 54, and the position of the insulating pad 53 corresponding to the groove 54 is provided with a through opening 55 interconnected with the insulating pad 53. The front and rear sides of the main clamping plate 51 are provided with a second screw 56, one end of the second screw 56 penetrates into the interior of the groove 54, and the surface of the second screw 56 located in the groove 54 is threadedly connected with an auxiliary clamping plate 57, the left side of the auxiliary clamping plate 57 penetrates the groove 54 and extends to the outside of the through opening 55, the top and bottom of the auxiliary clamping plate 57 should be respectively fitted with the top and bottom of the inner wall of the groove 54 to ensure that the second screw 56 is in a translational state when driving the auxiliary clamping plate 57 to thread transmission.

[0020] Specifically, a rolling bearing 58 is fixedly installed on the inner wall of the groove 54 at a position corresponding to the second screw 56. One end of the second screw 56 passes through the rolling bearing 58 and is movably connected to it. The rolling bearing 58 can connect and support the end of the second screw 56 to improve its stability during rotation.

[0021] Specifically, a sealing ring 10 is fixedly connected to the outer side of the connecting sleeve 9 at a position corresponding to the first screw 7, and the inner side of the sealing ring 10 is in contact with the surface of the first screw 7. The sealing ring 10 can prevent external dust and debris from penetrating through the gap between the first screw 7 and the connecting sleeve 9.

[0022] Specifically, the end of the first screw 7 away from the connecting sleeve 9 is fixedly connected to the crank handle 11, and the end of the second screw 56 away from the main clamping plate 51 is fixedly connected to the rotating handle 59. The crank handle 11 and the rotating handle 59 are convenient for the user to rotate the first screw 7 and the second screw 56, respectively, thereby improving the convenience of operation.

[0023] Specifically, an external thread is formed on the surface of the first screw rod 7 , and an internal thread matching the external thread is formed at a position of the fixing plate 6 corresponding to the first screw rod 7 .

[0024] The clamping mechanism for preventing leakage protection of power electronic components has a reasonable structural design and is easy to use. It adopts a fixed clamping method to ensure that it will not shake after being hit by factors such as collision, and can be easily adjusted according to the size of the device to be clamped. It adopts two sets of clamping methods in opposite directions to maximize the stability of the clamping and fully meet the use requirements.

[0025] When in use, after the power electronic component body 2 to be clamped and fixed is placed on the top of the base plate 1, the first screw rods 7 on both sides can be rotated according to its length, and the rotating block 8 can be driven to rotate and move inward through the threaded connection with the fixed plate 6. Under the connection limit of the guide rod 4 and the guide slider 52, the connecting sleeve 9 can push the main clamping plate 51 to translate inward to achieve clamping of the left and right sides of the power electronic component body 2. According to its width, the outer rotating handle 59 and the second screw rod 56 can be rotated, and the auxiliary clamping plate 57 threadedly connected thereto can move in the front and rear directions, thereby achieving front and rear side clamping.

[0026] 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 clamping mechanism for preventing leakage protection of power electronic components, comprising a base plate (1), characterized in that: A power electronic component body (2) is provided at the center position of the top of the base plate (1), and vertical plates (3) are fixedly connected at the four corners of the top of the base plate. A guide rod (4) is fixedly connected between two vertical plates (3) located on the same left and right sides, and two clamping assemblies (5) are axially slidably connected to the two guide rods (4). Fixed plates (6) are symmetrically installed on both sides of the top of the base plate (1), and a first screw rod (7) is provided on the outer side of the fixed plate (6). One end of the first screw rod (7) passes through the outside of the fixed plate (6) and is fixedly connected to a rotating block (8). The outer side of the rotating block (8) is movably connected to a connecting sleeve (9), and the connecting sleeve (9) is fixedly installed on the outer side of the clamping assembly (5).

2. A clamping mechanism for preventing leakage protection of power electronic components according to claim 1, characterized in that: The clamping assembly (5) comprises a main clamping plate (51), the outer side of the main clamping plate (51) is fixedly connected to the connecting sleeve (9), the top of the main clamping plate (51) is fixedly connected to a guide slider (52) used in conjunction with the guide rod (4) at a position corresponding to the guide rod (4), the left side of the main clamping plate (51) is fixedly connected to an insulating pad (53), the left side of the main clamping plate (51) is symmetrically provided with a groove (54), the position of the insulating pad (53) corresponding to the groove (54) is provided with a through opening (55) interconnected with the insulating pad (53), the front and rear sides of the main clamping plate (51) are both provided with a second screw rod (56), one end of the second screw rod (56) passes through the inside of the groove (54), the surface of the second screw rod (56) located in the groove (54) is threadedly connected to a secondary clamping plate (57), and the left side of the secondary clamping plate (57) passes through the groove (54) and extends to the outside of the through opening (55).

3. A clamping mechanism for preventing leakage protection of power electronic components according to claim 2, characterized in that: A rolling bearing (58) is fixedly installed on the inner wall of the groove (54) at a position corresponding to the second screw rod (56), and one end of the second screw rod (56) penetrates into the interior of the rolling bearing (58) and is movably connected thereto.

4. A clamping mechanism for preventing leakage protection of power electronic components according to claim 3, characterized in that: A sealing ring (10) is fixedly connected to the outer side of the connecting sleeve (9) at a position corresponding to the first screw rod (7), and the inner side of the sealing ring (10) is in contact with the surface of the first screw rod (7).

5. A clamping mechanism for preventing leakage protection of power electronic components according to claim 4, characterized in that: One end of the first screw rod (7) away from the connecting sleeve (9) is fixedly connected to a crank handle (11), and one end of the second screw rod (56) away from the main clamping plate (51) is fixedly connected to a rotating handle (59).

6. A clamping mechanism for preventing leakage protection of power electronic components according to claim 5, characterized in that: The surface of the first screw rod (7) is provided with an external thread, and the position of the fixing plate (6) corresponding to the first screw rod (7) is provided with an internal thread matching the external thread.

Images