Shielded knife switch protective cover

Abstract

The invention relates to a shielded knife switch protective cover and belongs to the field of electric power equipment. The present invention comprises a protective female cover and a protective male cover, and the protective female cover is connected with the protective male cover, and its structural characteristics are: the protective female cover comprises a female cover side plate, a female cover clamping plate, a female cover card slot, a female cover exhaust port, a female cover handle, a female cover clamping groove and a female cover pressing plate, and the protective male cover comprises a male cover side plate, a male cover clamping plate, a male cover card block, a male cover exhaust port, a male cover handle, a male cover clamping groove and a male cover right angle, the female cover clamping plate is arranged on the female cover side plate, the female cover card slot, the female cover clamping groove and the female cover pressing plate are all arranged on the female cover clamping plate, the female cover handle and the female cover exhaust port are all arranged on the female cover side plate, the male cover clamping plate is arranged on the male cover side plate, the male cover card block, the male cover clamping groove and the male cover right angle are all arranged on the male cover clamping plate, the male cover handle and the male cover exhaust port are all arranged on the male cover side plate, the female cover clamping plate is connected with the male cover clamping plate through the female cover card slot and the male cover card block, and the female cover clamping groove cooperates with the male cover clamping groove.

Description

Technical Field

[0001] The invention relates to a shielded knife switch protective cover and belongs to the field of electric power equipment. Background Art

[0002] Knife switches are widely used in the field of power grid construction. A metal crossarm is often connected to the bottom of the knife switch. In order to prevent animals from climbing to the metal crossarm at the bottom of the knife switch and causing operational failures, an insulating cover for the knife switch is currently used to prevent this. However, the insulating cover for the knife switch in the prior art is made of rubber material, and the shielding cover is non-transparent and equipment defects cannot be seen intuitively; the insulating cover for the rubber knife switch is prone to aging; the insulating cover for the knife switch cannot be installed with an energized operating lever; the insulating cover for the knife switch is prone to water and dust accumulation, affecting equipment heat dissipation and temperature measurement.

[0003] In view of this, the patent document with application number CN201720110082.4 discloses a knife switch protective cover with an integrated structure, which is prone to water and dust accumulation. Summary of the invention

[0004] The purpose of the present invention is to overcome the above-mentioned deficiencies in the prior art and to provide a shielded knife switch protective cover with a reasonable structural design.

[0005] The technical solution adopted by the present invention to solve the above-mentioned problem is: the shielded knife switch protective cover comprises a protective female cover and a protective male cover, and the protective female cover is connected to the protective male cover, and its structural characteristics are: the protective female cover comprises a female cover side plate, a female cover clamping plate, a female cover card slot, a female cover exhaust port, a female cover handle, a female cover clamping groove and a female cover pressing plate, and the protective male cover comprises a male cover side plate, a male cover clamping plate, a male cover card block, a male cover exhaust port, a male cover handle, a male cover clamping groove and a male cover right angle, the female cover clamping plate is arranged on the female cover side plate, the female cover card slot, the female cover clamping groove and the female cover pressing plate are all arranged on the female cover clamping plate, the female cover handle and the female cover exhaust port are all arranged on the female cover side plate, the male cover clamping plate is arranged on the male cover side plate, the male cover card block, the male cover clamping groove and the male cover right angle are all arranged on the male cover clamping plate, the male cover handle and the male cover exhaust port are all arranged on the male cover side plate, The female cover clamping plate is connected with the male cover clamping plate through the female cover clamping groove and the male cover clamping block, and the female cover clamping groove is matched with the male cover clamping groove.

[0006] Furthermore, the protective female cover also includes a female cover reinforcement rib, and the protective male cover also includes a male cover reinforcement rib. The female cover reinforcement rib is arranged on the female cover side plate, and the male cover reinforcement rib is arranged on the male cover side plate.

[0007] Furthermore, the female cover clamping plate comprises a female cover upper clamping plate and a female cover lower clamping plate, a female cover clamping groove is formed between the female cover upper clamping plate and the female cover lower clamping plate, and the male cover clamping plate is installed in the female cover clamping groove.

[0008] Furthermore, both the upper and lower clamping plates of the mother cover are provided with mother cover pressing plates, and the mother cover pressing plates arranged on the upper clamping plate of the mother cover and the mother cover pressing plates arranged on the lower clamping plate of the mother cover form an eight-shaped structure.

[0009] Furthermore, the lower clamping plate of the female cover is in angular contact with the male cover.

[0010] Furthermore, the female cover handle and the male cover handle both cooperate with an operating tool.

[0011] Furthermore, the shielded knife switch protective cover also includes a rubber patch, and the corners of the female cover side plate and the male cover side plate are both provided with rubber patches.

[0012] Furthermore, the rubber patch includes a patch body, a patch card block and a patch card slot, the patch card block is arranged on the patch body, the patch card slot is arranged on the female cover side plate and the male cover side plate, and the patch card block is installed in the patch card slot.

[0013] Furthermore, the installation steps of the shielded knife switch protective cover are as follows:

[0014] Step 1: Install the rubber patch on the protective female cover and the protective male cover;

[0015] Step 2: Use operating tools to place the protective female cover and the protective male cover on both sides of the knife switch for assembly;

[0016] Step 3: Place the male cover clamping plate in the female cover clamping groove, and at the same time, snap the male cover clamping block into the female cover clamping groove, so that the protective female cover and the protective male cover are docked and fixed on the knife switch.

[0017] Furthermore, the knife switch is a rubber insulator knife switch or a ceramic insulator knife switch.

[0018] Compared with the prior art, the present invention has the following advantages: it realizes the installation of the insulating operating rod, the installation method is more flexible, safer, and applicable to a wider range of scenarios; it has good compatibility and is suitable for both composite insulator type knife switches and ceramic insulator type knife switches; it is more flexible, convenient and safe to install, and reduces the construction cost; the male cover clamping plate is installed in the female cover clamping groove formed between the female cover upper clamping plate and the female cover lower clamping plate, and the structure of fixing it by the female cover clamping groove and the male cover clamping block is convenient to install, firmly and reliably; the shielding isolation effect is better, the failure rate is reduced, the power grid operation is more reliable, the side shielding is increased, and the opening and closing part of the knife switch can be shielded. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the shielded knife switch protective cover according to an embodiment of the present invention.

[0020] Figure 2It is a schematic diagram of the explosion structure of the shielded knife switch protective cover according to an embodiment of the present invention.

[0021] Figure 3 It is a schematic diagram of the three-dimensional structure of the protective mother cover according to an embodiment of the present invention.

[0022] Figure 4 It is a schematic diagram of the three-dimensional structure of the protective mother cover according to an embodiment of the present invention.

[0023] Figure 5 It is a schematic diagram of the three-dimensional structure of the protective male cover according to an embodiment of the present invention.

[0024] Figure 6 It is a schematic diagram of the three-dimensional structure of the protective male cover according to an embodiment of the present invention.

[0025] Figure 7 It is a schematic diagram of the top structure of the shielded knife switch protective cover according to an embodiment of the present invention.

[0026] Figure 8 yes Figure 7 Schematic diagram of the AA section structure.

[0027] Fig. 9 yes Figure 8 Schematic diagram of the enlarged structure of part B in FIG.

[0028] Fig.10 It is an exploded view of the shielded knife switch protective cover of an embodiment of the present invention in use state of a rubber insulator knife switch.

[0029] Fig.11 It is a stereoscopic diagram of the shielded knife switch protective cover of an embodiment of the present invention in the use state of a rubber insulator knife switch.

[0030] Fig.12 It is a top view of the shielded knife switch protective cover of the embodiment of the present invention in the use state of the rubber insulator knife switch.

[0031] Fig.13 It is an exploded view of the shielded knife switch protective cover of an embodiment of the present invention in the use state of a ceramic insulator knife switch.

[0032] Fig.14 This is a three-dimensional diagram of the shielded knife switch protective cover of the embodiment of the present invention in the use state of the ceramic insulator knife switch.

[0033] Fig.15 It is a front view of the shielded knife switch protective cover of an embodiment of the present invention in the use state of a ceramic insulator knife switch.

[0034] In the figure: protective female cover 1, protective male cover 2, rubber patch 3, rubber insulator knife switch 4, ceramic insulator knife switch 5,

[0035] The female cover side plate 11, the female cover clamping plate 12, the female cover slot 13, the female cover exhaust port 14, the female cover reinforcement rib 15, the female cover handle 16, the female cover clamping groove 17, the female cover pressing plate 18,

[0036] Male cover side plate 21, male cover clamping plate 22, male cover block 23, male cover exhaust port 24, male cover reinforcement rib 25, male cover handle 26, male cover clamping groove 27, male cover straight angle 28,

[0037] Patch body 31, patch card block 32, patch card slot 33,

[0038] The upper clamping plate 121 of the female cover, the lower clamping plate 122 of the female cover, and the clamping groove 123 of the female cover. DETAILED DESCRIPTION

[0039] The present invention will be further described in detail below with reference to the accompanying drawings and by way of examples. The following examples are intended to explain the present invention but the present invention is not limited to the following examples.

[0040] Example

[0041] See also Figures 1 to 15 As shown, it should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of the present invention, so they have no substantial technical significance. Any modification of the structure, change in the proportional relationship, or adjustment of the size should still fall within the scope of the technical content disclosed by the present invention without affecting the effects and purposes that can be achieved by the present invention. At the same time, if there are references to terms such as "upper", "lower", "left", "right", "middle" and "one" in this specification, they are only for the convenience of description, and are not used to limit the scope of the implementation of the present invention. The change or adjustment of their relative relationship should also be regarded as the scope of the implementation of the present invention without substantially changing the technical content.

[0042] The shielded knife switch protective cover in this embodiment includes a protective female cover 1, a protective male cover 2 and a rubber patch 3. The protective female cover 1 is connected to the protective male cover 2. Rubber patches 3 are provided at the corners of the female cover side panel 11 and the male cover side panel 21. The protective female cover 1, the protective male cover 2 and the rubber patch 3 are respectively arranged as an integrated structure.

[0043] The protective mother cover 1 in this embodiment includes a mother cover side plate 11, a mother cover splint 12, a mother cover slot 13, a mother cover exhaust port 14, a mother cover reinforcing rib 15, a mother cover handle 16, a mother cover clamping groove 17 and a mother cover pressing plate 18. The mother cover splint 12 is arranged on the mother cover side plate 11, the mother cover slot 13 and the mother cover clamping groove 17 are both arranged on the mother cover splint 12, the mother cover handle 16, the mother cover exhaust port 14 and the mother cover reinforcing rib 15 are all arranged on the mother cover side plate 11, the mother cover pressing plate 18 is arranged on the mother cover splint 12, and the mother cover handle 16 cooperates with the operating tool.

[0044] The protective male cover 2 in this embodiment includes a male cover side plate 21, a male cover clamping plate 22, a male cover block 23, a male cover exhaust port 24, a male cover reinforcing rib 25, a male cover handle 26, a male cover clamping groove 27 and a male cover right angle 28. The male cover clamping plate 22 is arranged on the male cover side plate 21, the male cover block 23 and the male cover clamping groove 27 are both arranged on the male cover clamping plate 22, the male cover handle 26, the male cover exhaust port 24 and the male cover reinforcing rib 25 are all arranged on the male cover side plate 21, the male cover right angle 28 is arranged on the male cover clamping plate 22, and the male cover handle 26 cooperates with the operating tool.

[0045] The female cover clamp plate 12 and the male cover clamp plate 22 in this embodiment are connected through the female cover slot 13 and the male cover block 23, the female cover clamping groove 17 cooperates with the male cover clamping groove 27, the female cover clamp plate 12 includes a female cover upper clamp plate 121 and a female cover lower clamp plate 122, a female cover clamping groove 123 is between the female cover upper clamp plate 121 and the female cover lower clamp plate 122, and the male cover clamp plate 22 is installed in the female cover clamping groove 123.

[0046] In this embodiment, a female cover pressing plate 18 is provided on both the female cover upper clamping plate 121 and the female cover lower clamping plate 122. The female cover pressing plate 18 provided on the female cover upper clamping plate 121 and the female cover pressing plate 18 provided on the female cover lower clamping plate 122 form an eight-shaped structure, and the female cover lower clamping plate 122 contacts the male cover along the angle 28.

[0047] The rubber patch 3 in this embodiment includes a patch body 31, a patch card block 32 and a patch card slot 33. The patch card block 32 is arranged on the patch body 31, and the patch card slot 33 is arranged on the female cover side plate 11 and the male cover side plate 21. The patch card block 32 is installed in the patch card slot 33.

[0048] The installation steps of the shielded knife switch protective cover are as follows:

[0049] Step 1: Install the rubber patch 3 on the protective female cover 1 and the protective male cover 2;

[0050] Step 2: Use operating tools to place the protective female cover 1 and the protective male cover 2 on both sides of the knife switch for assembly. The knife switch is a rubber insulator knife switch 4 or a ceramic insulator knife switch 5;

[0051] Step 3: Place the male cover clamping plate 22 in the female cover clamping groove 123, and at the same time, the male cover clamping block 23 is clamped into the female cover clamping groove 13, so that the protective female cover 1 and the protective male cover 2 are docked and fixed on the knife switch;

[0052] Specifically, the protective female cover 1 and the protective male cover 2 are connected through the female cover slot 13 and the male cover block 23, wherein the number of the female cover slots 13 is multiple, and the protective female cover 1 and the protective male cover 2 can be adjusted according to the diameter of the rubber insulator knife switch 4 or the ceramic insulator knife switch 5, so that the female cover clamping groove 17 and the male cover clamping groove 27 on the protective female cover 1 and the protective male cover 2 clamp the rubber insulator knife switch 4 or the ceramic insulator knife switch 5 and fix them on the knife switch.

[0053] By respectively arranging the female cover handle 16 and the male cover handle 26 on the female cover side plate 11 and the male cover side plate 21, operating tools can be provided to clamp them, and the protective female cover 1 and the protective male cover 2 can be placed on both sides of the knife switch to facilitate assembly.

[0054] The female cover air outlet 14 and the male cover air outlet 24 are respectively arranged on the female cover side plate 11 and the male cover side plate 21, which can reduce the interference of wind on the shielded knife switch protective cover, reduce the resistance from wind, and prevent the shielded knife switch protective cover from falling off in windy weather.

[0055] The strength of the shielded knife switch protective cover can be increased by respectively providing the female cover reinforcement rib 15 and the male cover reinforcement rib 25 on the female cover side plate 11 and the male cover side plate 21 .

[0056] A female cover pressing plate 18 is respectively arranged on the female cover upper clamping plate 121 and the female cover lower clamping plate 122. The two female cover pressing plates 18 facing each other up and down are arranged in an eight-shaped structure. When the male cover clamping plate 22 is installed in the female cover clamping groove 123, the two female cover pressing plates 18 can play a guiding role. At the same time, the male cover right angle 28 arranged on the male cover clamping plate 22 can make the male cover right angle 28 contact with the female cover lower clamping plate 122 when the male cover clamping plate 22 is inserted into the female cover clamping groove 123, which can also play a guiding role, making it convenient to assemble the protective female cover 1 and the protective male cover 2. The male cover right angles 28 on both sides respectively contact with the two sides of the female cover lower clamping plate 122 and can also play a limiting role.

[0057] In addition, it should be noted that the shapes and names of the parts and components of the specific embodiments described in this specification may be different, and the above content described in this specification is only an example of the structure of the present invention. All equivalent changes or simple changes made based on the structure, features and principles described in the patent concept of the present invention are included in the protection scope of the patent of the present invention. Technicians in the technical field of the present invention can make various modifications or supplements to the specific embodiments described or replace them in a similar manner, as long as they do not deviate from the structure of the present invention or exceed the scope defined by the claims, they should all fall within the protection scope of the present invention.

Claims

1. A shielded knife switch protective cover, comprising a protective female cover (1) and a protective male cover (2), wherein the protective female cover (1) is connected to the protective male cover (2). Features: The protective female cover (1) comprises a female cover side plate (11), a female cover clamping plate (12), a female cover slot (13), a female cover exhaust port (14), a female cover handle (16), a female cover clamping slot (17) and a female cover pressing plate (18); the protective male cover (2) comprises a male cover side plate (21), a male cover clamping plate (22), a male cover clamping block (23), a male cover exhaust port (24), a male cover handle (26), a male cover clamping slot (27) and a male cover right angle (28); the female cover clamping plate (12) is arranged on the female cover side plate (11); the female cover slot (13), the female cover clamping slot (17) and the female cover pressing plate (18) are all arranged on the female cover clamping plate (12); the female cover handle (16) and the female cover exhaust port (14) are all arranged on the female cover side plate (11); The male cover clamping plate (22) is arranged on the male cover side plate (21); the male cover clamping block (23), the male cover clamping groove (27) and the male cover right angle (28) are all arranged on the male cover clamping plate (22); the male cover handle (26) and the male cover exhaust port (24) are all arranged on the male cover side plate (21); the female cover clamping plate (12) is connected to the male cover clamping plate (22) via the female cover clamping groove (13) and the male cover clamping block (23); and the female cover clamping groove (17) cooperates with the male cover clamping groove (27).

2. The shielded knife switch protective cover according to claim 1, Features: The protective female cover (1) further comprises a female cover reinforcement rib (15), and the protective male cover (2) further comprises a male cover reinforcement rib (25), wherein the female cover reinforcement rib (15) is arranged on the female cover side plate (11), and the male cover reinforcement rib (25) is arranged on the male cover side plate (21).

3. The shielded knife switch protective cover according to claim 1, Features: The female cover clamping plate (12) comprises a female cover upper clamping plate (121) and a female cover lower clamping plate (122), a female cover clamping groove (123) is formed between the female cover upper clamping plate (121) and the female cover lower clamping plate (122), and the male cover clamping plate (22) is installed in the female cover clamping groove (123).

4. The shielded knife switch protective cover according to claim 3, Features: A mother cover pressing plate (18) is provided on both the mother cover upper clamping plate (121) and the mother cover lower clamping plate (122); the mother cover pressing plate (18) provided on the mother cover upper clamping plate (121) and the mother cover pressing plate (18) provided on the mother cover lower clamping plate (122) form an eight-shaped structure.

5. The shielded knife switch protective cover according to claim 3, Features: The lower clamping plate (122) of the female cover contacts the male cover at an angle (28).

6. The shielded knife switch protective cover according to claim 1, Features: The female cover handle (16) and the male cover handle (26) are both matched with an operating tool.

7. The shielded knife switch protective cover according to claim 1, Features: The shielded knife switch protective cover also includes a rubber patch (3), and the rubber patch (3) is provided at the corners of the female cover side plate (11) and the male cover side plate (21).

8. The shielded knife switch protective cover according to claim 7, Features: The rubber patch (3) comprises a patch body (31), a patch card block (32) and a patch card slot (33); the patch card block (32) is arranged on the patch body (31); the patch card slot (33) is arranged on the female cover side plate (11) and the male cover side plate (21); and the patch card block (32) is installed in the patch card slot (33).

9. The shielded knife switch protective cover according to claim 1, Features: The installation steps of the shielded knife switch protective cover are as follows: Step 1: Install the rubber patch (3) on the protective female cover (1) and the protective male cover (2); Step 2: Use an operating tool to place the protective female cover (1) and the protective male cover (2) on both sides of the knife switch for assembly; Step 3: placing the male cover clamping plate (22) in the female cover clamping groove (123), and at the same time, snapping the male cover clamping block (23) into the female cover clamping groove (13), so that the protective female cover (1) and the protective male cover (2) are docked and fixed on the knife switch.

10. The shielded knife switch protective cover according to claim 9, Features: The knife switch is a rubber insulator knife switch (4) or a ceramic insulator knife switch (5).

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