Protective device

Abstract

The utility model provides a protective device, which comprises a fixed frame fixedly arranged at a notch of a power distribution room and provided with an access hole; the cover plate is arranged at the access hole in an openable and closable manner; the locking assembly is arranged on the cover plate, the locking assembly comprises an operating part and a locking part, the operating part is movably arranged on the cover plate in the direction perpendicular to the cover plate, the locking part is telescopically arranged on the cover plate and has an outward extending locking position and a retracting avoiding position, and the operating part is in driving fit with the locking part; the locking piece can stretch out of the cover plate and is in locking fit with the fixing frame. By means of the technical scheme, the problems that in the related technology, a cover plate needs to be pried open for overhauling during overhauling, the cover plate is inconvenient to take and unload, and due to the fact that the number of times of opening the cover plate is large, cement plates are damaged, gaps are increased, and the maintenance cost is reduced can be solved. And small animals can drill into the power distribution room from the gaps to damage lines or electric appliance elements.

Description

TECHNICAL FIELD

[0001] The utility model relates to a power distribution room protection technical field, specifically, relates to a protection device. BACKGROUND

[0002] In the power distribution room construction, the cable is connected and installed from the outdoor to the indoor, in order to facilitate the installation and maintenance work, the cable enters the power distribution room and is laid in the ground groove, thereby leaving the gap with the outdoor, small animals such as mice, cats and the like can enter the power distribution room through the gap and cause accidents, therefore, the gap is blocked.

[0003] In the related art, in order to prevent small animals from entering, the ground groove is usually covered with a cement plate after the line arrangement is completed. However, since the power distribution room is regularly maintained, the groove cover plate is pried open for maintenance during the maintenance, the cover plate is inconvenient to take off and install, and the cement plate is damaged due to the large number of times of opening the cover plate, which causes the gap to increase, and small animals can drill into the power distribution room to damage the lines or electrical components. UTILITY MODEL CONTENTS

[0004] The utility model provides a protection device to solve the problem of the related art that the cover plate needs to be pried open for maintenance, the cover plate is inconvenient to take off and install, and the cement plate is damaged due to the large number of times of opening the cover plate, which causes the gap to increase, and small animals can drill into the power distribution room to damage the lines or electrical components.

[0005] The utility model provides a protection device, the protection device includes: the fixed frame is fixedly arranged at the gap of the power distribution room, and the fixed frame has a maintenance opening; the cover plate is arranged at the maintenance opening in an openable and closable manner; the locking assembly is arranged on the cover plate, and the locking assembly includes an operating member and a locking member, the operating member is movably arranged on the cover plate in a direction perpendicular to the cover plate, the locking member is telescopically arranged on the cover plate and has an outwardly extending locking position and a retracted avoiding position, and the operating member and the locking member are drivingly matched, so that the locking member can extend out of the cover plate and be locked with the fixed frame.

[0006] Further, the cover plate is provided with a containing cavity and a placing cavity, the containing cavity is arranged in a direction perpendicular to the cover plate, the placing cavity is arranged in a direction parallel to the cover plate, the containing cavity and the placing cavity are communicated through a communication hole, the operating member includes a moving column, the first end of the moving column is arranged in the containing cavity, the second end of the moving column is arranged outside the surface of the cover plate, the locking member includes a lock plate, the first end of the lock plate is arranged in the communication hole, the side wall of the fixed frame is provided with a lock groove, and the second end of the moving column can be abutted with the first end of the lock plate to make the second end of the lock plate extend into the lock groove, so that the cover plate is locked with the fixed frame.

[0007] Further, the locking assembly further comprises a pushing block, the second end of the moving column is connected with the pushing block, the pushing block is slidably arranged in the accommodating cavity, a cylindrical section and a wedge section are arranged on the pushing block, the cylindrical section is between the moving column and the wedge section, a guide slope is arranged on the wedge section, the guide slope gradually moves away from the locking plate in the direction from the outer surface to the inner surface of the cover plate, the guide slope is in abutting fit with the first end of the locking plate to drive the second end of the locking plate to extend into the locking slot, the cylindrical section is in abutting fit with the first end of the locking plate to keep the locking plate in the extended locking position.

[0008] Further, the first end of the locking plate is in arc structure, the locking assembly further comprises a guide plate, the guide plate is arranged on the locking plate, a guide rod is arranged in the placing cavity, the guide rod is arranged along the extension direction of the placing cavity, and the guide rod is arranged in the guide plate.

[0009] Further, the placing cavity is provided with an elastic member, the elastic member is sleeved on the guide rod, the first end of the elastic member is in abutting fit with the side wall of the placing cavity, and the second end of the elastic member is in abutting fit with the guide plate.

[0010] Further, the accommodating cavity is provided with a sliding groove, and the side wall of the pushing block is provided with a sliding block, the sliding block is slidably arranged in the sliding groove.

[0011] Further, the side wall of the cover plate is provided with a positioning groove, the side wall of the fixing frame is provided with a positioning block, the positioning block extends into the positioning groove, so that the cover plate and the fixing frame are in positioning fit.

[0012] Further, the cover plate is provided with a handle, and the upper surface of the cover plate is provided with a recess corresponding to the position of the handle.

[0013] Further, the upper surface of the cover plate is provided with an anti-skid groove.

[0014] Further, the side wall of the fixing frame is provided with an ear seat, the ear seat is provided with a mounting hole, and the fixing frame is arranged in the mounting hole through a fastener, so that the fixing frame is fixed at the gap of the power distribution room.

[0015] The utility model discloses a technical scheme, the protection device includes fixed frame, apron and locking assembly, through setting up the fixed frame apron at the notch of distribution room, setting up the access hole on the fixed frame, it is convenient to utilize access hole and carry out maintenance to the cable in distribution room, wherein, apron is covered and is set at access hole, so can be convenient for when carrying out maintenance, only need to remove apron from the access hole of fixed frame, and then make the tool enter access hole and carry out maintenance, when the maintenance is completed, need to cover apron at access hole, so can set up in the notch of distribution room in the fixed frame, utilize apron and cover in access hole, so can be convenient for under the action of apron to access hole play the role of shielding, avoid small animals and enter distribution room through access hole, cause the cable in distribution room to be damaged. BRIEF DESCRIPTION OF DRAWINGS

[0016] The accompanying drawings, which form a part of this specification, are included to provide a further understanding of the application and are incorporated herein by reference. The embodiments disclosed in the drawings are illustrative of the application and are not meant to limit the scope of the application as claimed. The drawings are as follows:

[0017] Figure 1 A structure diagram of the protection device is shown;

[0018] Figure 2 A cross-sectional view of the protection device is shown;

[0019] Figure 3 A local enlarged view of A in the figure is shown; Figure 2

[0020] Figure 4 A schematic diagram of the apron being removed from the fixed frame is shown;

[0021] Figure 5 ​A schematic diagram of the structure of the fixing frame provided in an embodiment of the present invention is shown.

[0022] The above figures include the following reference numerals:

[0023] 10. Fixture; 11. Inspection port; 12. Locking slot; 13. Positioning block; 14. Ear seat; 141. Mounting hole;

[0024] 20. Cover plate; 21. Receiving cavity; 211. Slide groove; 22. Placement cavity; 23. Connecting hole; 24. Positioning groove; 25. Handle; 26. Anti-slip groove;

[0025] 30. Locking component; 31. Operating component; 311. Moving column; 32. Locking component; 321. Snap plate; 33. Push block; 331. Column section; 332. Wedge section; 3321. Guide slope; 333. Slider; 34. Guide plate; 35. Guide rod; 36. Elastic component. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit the present utility model or its application or use. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0027] like Figures 1 to 3 As shown, this utility model embodiment provides a protective device, which includes a fixing frame 10, a cover plate 20, and a locking component 30. The fixing frame 10 is fixedly installed at the gap in the power distribution room and has an inspection port 11. The cover plate 20 is closably installed at the inspection port 11. The locking component 30 is installed on the cover plate 20 and includes an operating member 31 and a locking member 32. The operating member 31 is movably installed on the cover plate 20 in a direction perpendicular to the cover plate 20. The locking member 32 is telescopically installed on the cover plate 20 and has an outward locking position and a retracted avoidance position. The operating member 31 and the locking member 32 are driven to cooperate, so that the locking member 32 can extend out of the cover plate 20 and lock to the fixing frame 10.

[0028] The protective device provided by the embodiment comprises a fixing frame 10, a cover plate 20 and a locking assembly 30. The fixing frame 10 is arranged at the gap of the power distribution room, and the maintenance opening 11 is arranged on the fixing frame 10, so that the cable in the power distribution room can be maintained through the maintenance opening 11. The cover plate 20 is arranged at the maintenance opening 11 in an openable and closable manner. When maintenance is performed, the cover plate 20 is removed from the maintenance opening 11 of the fixing frame 10, so that the tool can be inserted into the maintenance opening 11 for maintenance. When the maintenance is completed, the cover plate 20 is arranged at the maintenance opening 11. When the fixing frame 10 is arranged at the gap of the power distribution room, the cover plate 20 is arranged at the maintenance opening 11, so that the maintenance opening 11 can be shielded under the action of the cover plate 20, and small animals cannot enter the power distribution room through the maintenance opening 11 to damage the cable in the power distribution room. Specifically, the locking assembly 30 is arranged on the cover plate 20. The locking assembly 30 comprises an operating member 31 and a locking member 32. The operating member 31 is movably arranged on the cover plate 20 in a direction perpendicular to the cover plate 20, so that the operating member 31 can be moved. The locking member 32 is telescopically arranged on the cover plate 20, so that the locking member 32 has an extended locking position and a retracted avoiding position. When the cover plate 20 is not arranged on the fixing frame 10, the locking member 32 is in the retracted avoiding position. When the cover plate 20 is arranged on the fixing frame 10, the operating member 31 is moved on the cover plate 20. The operating member 31 drives the locking member 32 to move, so that the locking member 32 is switched from the retracted avoiding position to the extended locking position. Then, the locking member 32 can be extended from the cover plate 20 and locked with the fixing frame 10. In this way, the cover plate 20 can be locked with the fixing frame 10, so that the fixing frame 10 cannot be directly lifted, the gap between the fixing frame 10 and the gap is not increased, and the cover plate 20 can be easily removed. In this way, the protective device can be easily maintained, small animals can be effectively prevented, and the practicability of the protective device is improved.

[0029] It should be noted that the cover plate 20 is made of epoxy resin material, which can prevent moisture, insulation and firmness. When the cover plate 20 is arranged on the fixing frame 10, the cover plate 20 cannot be deviated from the gap of the power distribution room, and cannot be damaged by being forcibly removed. Small animals cannot enter the power distribution room through the gap or the gap to damage the line or the electrical element.

[0030] As Figure 3As shown, the cover plate 20 is provided with a containing cavity 21 and a placing cavity 22, the containing cavity 21 is arranged along the direction perpendicular to the cover plate 20, the placing cavity 22 is arranged along the direction parallel to the cover plate 20, the containing cavity 21 and the placing cavity 22 are communicated through a communication hole 23, the operating member 31 comprises a moving column 311, the first end of the moving column 311 is arranged in the containing cavity 21, the second end of the moving column 311 is arranged outside the outer surface of the cover plate 20, the locking member 32 comprises a locking plate 321, the first end of the locking plate 321 is arranged in the communication hole 23, the side wall of the fixing frame 10 is provided with a locking groove 12, the second end of the moving column 311 can abut with the first end of the locking plate 321, so that the second end of the locking plate 321 is arranged in the locking groove 12, so that the cover plate 20 is locked with the fixing frame 10. With the above structure, the containing cavity 21 and the placing cavity 22 are arranged on the cover plate 20, the containing cavity 21 is arranged along the direction perpendicular to the cover plate 20, the placing cavity 22 is arranged along the direction parallel to the cover plate 20, the moving column 311 is movably arranged in the containing cavity 21 along the direction perpendicular to the cover plate 20, the first end of the moving column 311 can be arranged in the containing cavity 21, the second end of the moving column 311 is arranged outside the outer surface of the cover plate 20, the first end of the locking plate 321 is arranged in the communication hole 23 and in the containing cavity 21, so that the second end of the moving column 311 can drive the first end of the locking plate 321, so that the second end of the moving column 311 can drive the locking plate 321 to move, so that the second end of the locking plate 321 can be arranged in the locking groove 12 of the fixing frame 10, so that the second end of the locking plate 321 can be locked with the locking groove 12, so as to facilitate the locking of the cover plate 20 and the fixing frame 10, so that the cover plate 20 and the fixing frame 10 can be detachably arranged.

[0031] As Figure 3As shown, the locking assembly 30 further comprises a pushing block 33, the second end of the moving column 311 is connected with the pushing block 33, the pushing block 33 is slidably arranged in the accommodating cavity 21, a cylindrical section 331 and a wedge-shaped section 332 are arranged on the pushing block 33, the cylindrical section 331 is located between the moving column 311 and the wedge-shaped section 332, a guide inclined surface 3321 is arranged on the wedge-shaped section 332, the guide inclined surface 3321 gradually moves away from the locking plate 321 from the outer surface to the inner surface of the cover plate 20, the guide inclined surface 3321 is in abutting fit with the first end of the locking plate 321 to drive the second end of the locking plate 321 to extend into the locking groove 12, and the cylindrical section 331 is in abutting fit with the first end of the locking plate 321 to keep the locking plate 321 in the extended locking position. With the above structure, the second end of the moving column 311 is connected with the pushing block 33, so that the pushing block 33 can be slidably arranged in the accommodating cavity 21, the cylindrical section 331 and the wedge-shaped section 332 are arranged on the pushing block 33, the cylindrical section 331 is located between the moving column 311 and the wedge-shaped section 332, and the guide inclined surface 3321 is arranged on the wedge-shaped section 332. When the moving column 311 moves in the direction perpendicular to the cover plate 20, the guide inclined surface 3321 of the pushing block 33 can be in abutting fit with the first end of the locking plate 321, so that the locking plate 321 can be driven to move in the placing cavity 22 under the action of the guide inclined surface 3321. When the pushing block 33 moves in the accommodating cavity 21, the guide inclined surface 3321 of the pushing block 33 can be in fit with the first end of the locking plate 321, so that the locking plate 321 can be moved under the action of the guide inclined surface 3321, and the locking plate 321 can be switched from the retracted avoiding position to the extended locking position, thereby facilitating the locking fit between the locking plate 321 and the locking groove 12.

[0032] It should be noted that the accommodating cavity 21 of the cover plate 20 is provided with a first dismounting plate and a second dismounting plate, the first dismounting plate is detachably arranged on the cover plate 20 to facilitate the installation of the pushing block 33 in the accommodating cavity 21, and the second dismounting plate is detachably arranged on the cover plate 20 to facilitate the installation of the locking plate 321 in the placing cavity 22.

[0033] As shown in the drawings, Figure 3 The first end of the locking plate 321 is in arc-shaped structure, the locking assembly 32 further comprises a guide plate 34, the guide plate 34 is arranged on the locking plate 321, a guide rod 35 is arranged in the placing cavity 22 and extends in the extending direction of the placing cavity 22, and the guide rod 35 penetrates through the guide plate 34. With the above structure, the guide plate 34 is arranged on the locking plate 321, so that the guide plate 34 can play a guiding role under the action of the guide rod 35, and the guide plate 34 can move and guide along the extending direction of the guide rod 35.

[0034] As shown in the drawings, Figure 3As shown, the placement cavity 22 is provided with an elastic member 36, the elastic member 36 is sleeved on the guide rod 35, the first end of the elastic member 36 abuts against the side wall of the placement cavity 22, and the second end of the elastic member 36 abuts against the guide plate 34. With the above structure, by providing the placement cavity 22 with the elastic member 36, the elastic member 36 is sleeved on the guide plate 34, and the first end of the elastic member 36 abuts against the side wall of the placement cavity 22, and the second end of the elastic member 36 abuts against the guide plate 34, so that when the locking member is switched from the retracted avoiding position to the outwardly extending locking position, the guide plate 34 moves to compress the elastic member 36, so that when it is needed to switch from the outwardly extending locking position to the retracted avoiding position, the elastic member 36 can reset the guide plate 34.

[0035] As shown in Figure 3 , the accommodation cavity 21 is provided with a sliding groove 211, and the side wall of the push block 33 is provided with a sliding block 333, which is slidably arranged in the sliding groove 211. With the above structure, by providing the accommodation cavity 21 with the sliding groove 211, and the sliding block 333 on the push block 33 is slidably arranged in the sliding groove 211, so that the push block 33 can slide in the accommodation cavity 21 to guide.

[0036] As shown in Figure 1 , Figure 2 , Figure 4 and Figure 5 , the side wall of the cover plate 20 is provided with a positioning groove 24, and the side wall of the fixing frame 10 is provided with a positioning block 13, the positioning block 13 extends into the positioning groove 24, so that the cover plate 20 and the fixing frame 10 are positioned and matched. With the above structure, when the cover plate 20 needs to be installed on the fixing frame 10, the positioning groove 24 on the cover plate 20 needs to be positioned and installed with the positioning block 13 of the fixing frame 10.

[0037] As shown in Figure 1 , the cover plate 20 is provided with a handle 25, and the upper surface of the cover plate 20 is provided with a recess corresponding to the position of the handle 25. With the above structure, by providing the cover plate 20 with a handle 25, it is convenient to take the cover plate 20, and the recess can facilitate the maintenance personnel to extend into the handle 25, and can use the recess to improve the operation space.

[0038] As shown in Figure 1 , the upper surface of the cover plate 20 is provided with an anti-skid groove 26. With the above structure, by providing the upper surface of the cover plate 20 with an anti-skid groove 26, it is convenient to play an anti-skid role.

[0039] As shown in Figure 1As shown, the side wall of the fixing frame 10 is provided with an ear seat 14, the ear seat 14 is provided with a mounting hole 141, the fixing frame 10 is arranged in the mounting hole 141 through the fastener, so as to fix the fixing frame 10 at the gap of the power distribution room. By arranging the ear seat 14 on the fixing frame 10, and arranging the mounting hole 141 on the ear seat 14, and arranging the fastener in the mounting hole 141, the fixing frame 10 is convenient to install.

[0040] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising," when used in this specification, specify the presence of stated features, steps, operations, elements, components, and / or groups thereof, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or groups thereof.

[0041] The relative arrangement of parts and steps, numerical expressions, and numerical values set forth in the examples are not intended to limit the scope of the present application, unless otherwise specifically stated. At the same time, it should be understood that the sizes of the various parts shown in the drawings are not drawn in proportion to the actual proportions. The techniques, methods and devices known to those skilled in the relevant art can not be discussed in detail, but under appropriate circumstances, the techniques, methods and devices should be considered as part of the specification. In all examples shown and discussed herein, any specific value should be interpreted as merely exemplary, and not as a limitation. Therefore, other examples of exemplary embodiments can have different values. It should be noted that similar reference numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0042] In the description of the present application, it should be understood that the orientation words such as "front, rear, upper, lower, left, right", "horizontal, vertical, perpendicular, horizontal" and "top, bottom" and the like indicate the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and in the absence of contrary statements, these orientation words do not indicate and imply that the indicated device or element must have a particular orientation or be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the scope of protection of the present application; the orientation words "inner, outer" refer to the inner and outer of the contour of each component itself.

[0043] For purposes of the description hereinafter, spatial relative terms, such as "above", "below", "upper", "lower", and the like, can be used to describe the relative position of one element or feature to another as illustrated in the figures. It will be understood that the spatial relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientations depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "up" other elements or features would then be oriented "below" or "down" the other elements or features. Thus, the exemplary term "above" can encompass both an orientation of above and below. The device can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly. Well, the spatial relative terms used herein are for ease of description only and do not limit the scope of the present application.

[0044] In addition, it should be noted that the use of "first", "second", and the like words of distinction do not limit the corresponding parts, and are only used to facilitate the distinction between the corresponding parts, and the above words have no special meaning unless otherwise stated, and therefore cannot be understood as limiting the scope of protection of the present application.

[0045] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A protective device, characterized in that, The protective device includes: A fixing frame (10) is fixedly installed at the gap in the power distribution room, and the fixing frame (10) has an inspection port (11); A cover plate (20) is provided at the inspection port (11) in an openable and closable manner; A locking assembly (30) is disposed on the cover plate (20). The locking assembly (30) includes an operating member (31) and a locking member (32). The operating member (31) is movably disposed on the cover plate (20) in a direction perpendicular to the cover plate (20). The locking member (32) is telescopically disposed on the cover plate (20) and has an outward locking position and a retracted avoidance position. The operating member (31) and the locking member (32) are driven to cooperate, so that the locking member (32) can extend out of the cover plate (20) and lock to cooperate with the fixing frame (10).

2. The protective device according to claim 1, characterized in that, The cover plate (20) is provided with a receiving cavity (21) and a placement cavity (22). The receiving cavity (21) is arranged in a direction perpendicular to the cover plate (20), and the placement cavity (22) is arranged in a direction parallel to the cover plate (20). The receiving cavity (21) and the placement cavity (22) are connected by a connecting hole (23). The operating member (31) includes a moving column (311). The first end of the moving column (311) passes through the receiving cavity (21), and the second end of the moving column (311) passes through the second end of the moving column (311). The locking member (32) includes a locking plate (321), the first end of which passes through the connecting hole (23). The side wall of the fixing frame (10) is provided with a locking groove (12). The second end of the moving column (311) can abut against the first end of the locking plate (321) so that the second end of the locking plate (321) extends into the locking groove (12) so that the cover plate (20) and the fixing frame (10) are locked together.

3. The protective device according to claim 2, characterized in that, The locking assembly (30) further includes a push block (33), the second end of the moving post (311) is connected to the push block (33), the push block (33) is slidably disposed in the receiving cavity (21), the push block (33) is provided with a cylindrical section (331) and a wedge-shaped section (332), the cylindrical section (331) is located between the moving post (311) and the wedge-shaped section (332), and the wedge-shaped section (332) is provided with a guide ramp (3321). The guide ramp (3321) gradually moves away from the latch plate (321) in the direction from the outer surface to the inner surface of the cover plate (20). The guide ramp (3321) abuts against the first end of the latch plate (321) to drive the second end of the latch plate (321) into the latch groove (12). The cylindrical section (331) abuts against the first end of the latch plate (321) to keep the latch plate (321) in the extended locking position.

4. The protective device according to claim 3, characterized in that, The first end of the latch plate (321) is an arc-shaped structure. The locking member (32) also includes a guide plate (34). The guide plate (34) is disposed on the latch plate (321). A guide rod (35) is disposed in the placement cavity (22). The guide rod (35) is disposed along the extension direction of the placement cavity (22). The guide rod (35) passes through the guide plate (34).

5. The protective device according to claim 4, characterized in that, An elastic element (36) is provided inside the placement cavity (22). The elastic element (36) is sleeved on the guide rod (35). The first end of the elastic element (36) abuts against the side wall of the placement cavity (22), and the second end of the elastic element (36) abuts against the guide plate (34).

6. The protective device according to claim 3, characterized in that, The cavity (21) is provided with a groove (211), and the push block (33) is provided with a slider (333) on its side wall. The slider (333) is slidably disposed in the groove (211).

7. The protective device according to claim 1, characterized in that, The cover plate (20) has a positioning groove (24) on its side wall, and the fixing frame (10) has a positioning block (13) on its side wall. The positioning block (13) extends into the positioning groove (24) so ​​that the cover plate (20) and the fixing frame (10) are positioned and engaged.

8. The protective device according to claim 1, characterized in that, A handle (25) is provided on the cover plate (20), and a groove is provided on the upper surface of the cover plate (20) corresponding to the position of the handle (25).

9. The protective device according to claim 1, characterized in that, The upper surface of the cover plate (20) is provided with anti-slip grooves (26).

10. The protective device according to claim 1, characterized in that, The fixing frame (10) is provided with an ear seat (14) on its side wall. The ear seat (14) is provided with a mounting hole (141). The fixing frame (10) is fixed at the gap in the power distribution room by fasteners passing through the mounting hole (141).

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