Electrical protection device for electrical installation
By combining the inner protective plates A and B with the outer protective plate, and utilizing bidirectional and unidirectional lead screws and drive plate transmission frames, the problem of cumbersome adjustment of the protective plate position is solved, enabling convenient adjustment and carrying of the protective plate.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-10
- Publication Date
- 2026-03-24
AI Technical Summary
Existing electrical installation safety protection devices are cumbersome to adjust when adjusting the position of the protective plate, and the size of the protective plate is fixed, making it impossible to reduce its size for easy carrying.
Inner protective plates A and B are connected to the outer protective plate via bidirectional and unidirectional lead screws. Combined with the drive plate and transmission frame structure, the height and specifications of the protective plates can be adjusted, and the volume of the protective plates can be reduced by using threaded sleeves and bearing structures.
The height and specifications of the protective plate can be flexibly adjusted, simplifying the operation steps and making the protective plate easy to carry.
Smart Images

Figure CN224036856U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to electrical installation technical field, concretely relates to an electrical protection device for electrical installation. BACKGROUND
[0002] Electrical installation refers to the process of assembling and configuring electrical equipment, lines and the like according to certain specifications and safety standards, aiming to ensure the normal operation of the electrical system and protect the safety of use. Electrical installation involves multiple professional fields and technical requirements and is widely used in residential, commercial, industrial and public facilities and transportation systems.
[0003] Patent No. 201920512332.6 discloses a safety protection device for electrical installation. The device uses first and second mounting holes to connect the protective net, enhancing the protection effect. At the same time of protection, it does not bring a sense of oppression to the installer. The device can be freely assembled and disassembled, making it convenient to carry and use.
[0004] However, the existing safety protection device for electrical installation usually uses limiting rods, limiting holes and other means to fix the protective plate. When adjusting the position of the protective plate, it is necessary to first remove the fixation of the protective plate, then adjust the protective plate and finally fix it again. The operation steps are complicated, which affects the adjustment efficiency of the protective plate. Moreover, the specification of the protective plate is fixed, and when the protective plate is not in use, it cannot reduce the volume of the protective plate, making it inconvenient to carry the protective plate. Therefore, an electrical protection device for electrical installation is needed. UTILITY MODEL CONTENT
[0005] The main purpose of the utility model is to provide an electrical protection device for electrical installation. The utility model solves the problem of inconvenient adjustment of the height and specification of the protective plate in the use of the existing safety protection device for electrical installation by setting the inner protective plate A, inner protective plate B, bidirectional screw rod, unidirectional screw rod, threaded sleeve A, threaded sleeve B, connecting sleeve, driving plate A, driving plate B, transmission frame and transmission block.
[0006] The utility model discloses an electrical protection device for electrical installation, which comprises an outer protection plate and a fixing frame, the outer protection plate is symmetrically connected with an inner protection plate A and an inner protection plate B outside, the inner protection plate A is located on the upside of the inner protection plate B, a fixing rod B is inserted into the outer protection plate outside, a two-way screw rod is fixed on one side of the fixing rod B by screws, a threaded sleeve A and a threaded sleeve B are threadedly connected outside the two-way screw rod, the threaded sleeve A is located on the upside of the threaded sleeve B, a driving plate A for moving the inner protection plate A is welded outside the threaded sleeve A, a driving plate B for moving the inner protection plate B is welded outside the threaded sleeve B, a convex clamping block is fixed on the outer protection plate by screws, a fixing rod A is inserted into the top of the fixing frame, a one-way screw rod is fixed on one side of the fixing rod A by screws, a connecting sleeve is threadedly connected outside the one-way screw rod, a transmission block is symmetrically welded outside the connecting sleeve, a transmission frame is welded on the end of the transmission block away from the connecting sleeve, and a concave clamping block connected with the convex clamping block is fixed on the outer side of the transmission frame by screws.
[0007] When the convex clamping block on the outer protection plate is connected with the concave clamping block on the fixing frame, the fixing rod A outside the fixing frame is rotated, the one-way screw rod inside the fixing frame is driven to rotate by the fixing rod A, the connecting sleeve outside the one-way screw rod is limited to move longitudinally outside the one-way screw rod by the external structure, the transmission block symmetrically installed outside the connecting sleeve drives the transmission frame to move, the concave clamping block on the transmission frame drives the outer protection plate on the convex clamping block to move, and thus the height of the outer protection plate is adjusted.
[0008] When the use of the outer protection plate is finished, the fixing rod B on the outer protection plate is rotated, the two-way screw rod is driven to rotate by the fixing rod B, the threaded sleeve A and the threaded sleeve B outside the two-way screw rod are both limited by the external structure, the threaded sleeve A and the threaded sleeve B move longitudinally away from each other outside the two-way screw rod, the inner protection plate A on the driving plate A is driven to move by the threaded sleeve A, the inner protection plate B on the driving plate B is driven to move by the threaded sleeve B, and thus the inner protection plate A and the inner protection plate B enter the outer protection plate, the volume of the protection plate is reduced, and the protection plate is convenient to carry.
[0009] Bearings are arranged at the connection between the one-way screw rod and the fixing frame and at the connection between the two-way screw rod and the outer protection plate, and shaft sleeves are arranged at the connection between the fixing rod A and the fixing frame and at the connection between the fixing rod B and the outer protection plate.
[0010] Specifically, a support block supporting the inner protection plate B is inserted into the bottom of the inner protection plate B, a spring is welded inside the support block, and a limiting block is welded on one side of the spring.
[0011] When the length of the support block needs to be adjusted, the limiting block on the support block is pressed, the spring on one side of the limiting block is compressed, the limiting block enters the support block, and then the support block is pulled to move, and thus the length of the support block is adjusted.
[0012] Specifically, the inner protection plate B is provided with a limiting hole for fixing the limiting block, and the limiting hole is provided with multiple groups.
[0013] By adopting the above technical scheme, when the adjusting of the supporting block in the inner protection plate B is completed, the limiting block in the supporting block enters the limiting hole on the surface of the inner protection plate B, so that the length of the supporting block is conveniently adjusted.
[0014] Specifically, the bottom of the supporting block is fixed with a rubber block for increasing friction.
[0015] By adopting the above technical scheme, when the supporting block below the inner protection plate B is in contact with the ground, the rubber block at the bottom of the supporting block increases the friction at the bottom of the supporting block, thereby improving the stability of the supporting block.
[0016] Specifically, the driving plate A and the driving plate B are symmetrically welded with a sliding sleeve outside, and the sliding sleeve is slidably connected with a supporting rod inside.
[0017] By adopting the above technical scheme, when the driving plate A and the driving plate B move, the sliding sleeves symmetrically welded outside the driving plate A and the driving plate B slide outside the supporting rods symmetrically welded inside the outer protection plate, thereby improving the stability of the movement of the driving plate A and the driving plate B.
[0018] The beneficial effects of the utility model are as follows:
[0019] (1) The electrical protection device for electrical installation, when the convex clamping block on the outer protection plate is connected with the concave clamping block on the fixed frame, the fixed rod A outside the fixed frame is then rotated, the fixed rod A drives the unidirectional screw rod inside the fixed frame to rotate, the connecting sleeve outside the unidirectional screw rod is limited by the external structure to move longitudinally outside the unidirectional screw rod, the transmission blocks symmetrically installed outside the connecting sleeve then drive the transmission frame to move, so that the concave clamping block on the transmission frame drives the convex clamping block on the outer protection plate to move, thereby conveniently adjusting the height of the outer protection plate.
[0020] (2) The electrical protection device for electrical installation, when the use of the outer protection plate is completed, the fixed rod B on the outer protection plate is turned, the fixed plate B then drives the bidirectional screw rod to rotate, the threaded sleeve A and the threaded sleeve B outside the bidirectional screw rod are then limited by the external structure, so that the threaded sleeve A and the threaded sleeve B move longitudinally and oppositely outside the bidirectional screw rod, the threaded sleeve A then drives the inner protection plate A on the driving plate A to move, the threaded sleeve B drives the inner protection plate B on the driving plate B to move, so that the inner protection plate A and the inner protection plate B enter the outer protection plate, thereby reducing the volume of the protection plate and facilitating the carrying of the protection plate.
[0021] (3)The electrical protection device for electrical installation, when the length of the supporting block needs to be adjusted, the limiting block of the limiting hole is pressed, then the spring on one side of the limiting block is compressed, then the limiting block enters the inside of the supporting block, then the supporting block is pulled to move, so that the length of the supporting block is adjusted, and the inner protection plate B is conveniently supported. BRIEF DESCRIPTION OF DRAWINGS
[0022] The utility model is further illustrated below in combination with the drawings and embodiments.
[0023] Figure 1 It is a whole structure schematic view of the utility model's electrical protection device for electrical installation;
[0024] Figure 2 It is an outer plate internal structure schematic view of the utility model's electrical protection device for electrical installation;
[0025] Figure 3 It is a fixed frame internal structure schematic view of the utility model's electrical protection device for electrical installation;
[0026] Figure 4 It is an inner protection plate B internal partial structure schematic view of the utility model's electrical protection device for electrical installation;
[0027] In the drawing: 1, fixed rod A; 2, fixed frame; 3, transmission frame; 4, supporting block; 5, inner protection plate B; 6, inner protection plate A; 7, fixed rod B; 8, convex clamping block; 9, outer protection plate; 10, rubber block; 11, drive plate A; 12, threaded sleeve A; 13, bidirectional screw; 14, drive plate B; 15, threaded sleeve B; 16, sliding sleeve; 17, supporting rod; 18, one-way screw; 19, connecting sleeve; 20, transmission block; 21, spring; 22, limiting block; 23, limiting hole; 24, concave clamping block. DETAILED DESCRIPTION
[0028] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.
[0029] In order to adjust the height and specification of the outer protection plate 9, as an embodiment of the utility model, as shown in Figure 1 、 Figure 2 、 Figure 3 and Figure 4As shown in the utility model discloses an electrical protection device for electrical installation, including outer protection board 9 and fixed frame 2, the outer protection board 9 outside symmetry sliding connection has inner protection board A6 and inner protection board B5, and inner protection board A6 is located the upside of inner protection board B5, the outer protection board 9 outside inserts the fixed rod B7, and fixed rod B7 one side screw is fixed with bidirectional screw rod 13, the bidirectional screw rod 13 outside thread connection has screw sleeve A12 and screw sleeve B15, and screw sleeve A12 is located the upside of screw sleeve B15, the screw sleeve A12 outside welding has the drive plate A11 of inner protection board A6 movement, the screw sleeve B15 outside welding has the drive plate B14 of inner protection board B5 movement, the outer protection board 9 outside symmetry screw is fixed with convex clamping block 8, the fixed frame 2 top inserts the fixed rod A1, and fixed rod A1 one side screw is fixed with unidirectional screw rod 18, the unidirectional screw rod 18 outside thread connection has connecting sleeve 19, and connecting sleeve 19 outside symmetry welding has transmission block 20, transmission block 20 is away from the end welding of connecting sleeve 19 transmission frame 3, and transmission frame 3 outside symmetry screw is fixed with the recessed clamping block 24 connected with convex clamping block 8.
[0030] When using, when the convex clamping block 8 on the outer protection board 9 is connected with the recessed clamping block 24 on the fixed frame 2, then the fixed rod A1 outside the fixed frame 2 is rotated, then the fixed rod A1 drives the unidirectional screw rod 18 in the fixed frame 2 to rotate, the connecting sleeve 19 outside the unidirectional screw rod 18 is limited to move longitudinally outside the unidirectional screw rod 18, then the transmission block 20 symmetrically installed outside the connecting sleeve 19 drives the transmission frame 3 to move, so that the recessed clamping block 24 on the transmission frame 3 drives the outer protection board 9 on the convex clamping block 8 to move, thereby facilitating the height adjustment of the outer protection board 9.
[0031] When the use of the outer protection board 9 is finished, the fixed rod B7 on the outer protection board 9 is turned, then the fixed plate B drives the bidirectional screw rod 13 to rotate, then the screw sleeve A12 and the screw sleeve B15 outside the bidirectional screw rod 13 are both limited by the external structure, so that the screw sleeve A12 and the screw sleeve B15 move longitudinally away from each other outside the bidirectional screw rod 13, then the screw sleeve A12 drives the inner protection board A6 on the drive plate A11 to move, and the screw sleeve B15 drives the inner protection board B5 on the drive plate B14 to move, so that the inner protection board A6 and the inner protection board B5 enter the outer protection board 9, thereby reducing the volume of the protection board and facilitating the carrying of the protection board.
[0032] In order to adjust the length of the support block 4, for example, Figure 4 As shown in the utility model discloses an electrical protection device for electrical installation, including the utility model further comprises, the inner protection board B5 bottom inserts the support of inner protection board B5 and supports the support block 4, the support block 4 inside welding has spring 21, and spring 21 one side welding has limit block 22.
[0033] In use, when the length of the support block 4 is to be adjusted, the limiting block 22 on the support block 4 is pressed, then the spring 21 on one side of the limiting block 22 is compressed, then the limiting block 22 enters the inside of the support block 4, then the support block 4 is pulled to move, so that the length of the support block 4 is adjusted.
[0034] In order to fix the support block 4, as shown in the drawings, Figure 4 The utility model also includes that the inside protection board B5 surface is equipped with the limiting hole 23 that fixes the limiting block 22, and the limiting hole 23 is provided with multiple groups.
[0035] In use, when the length of the support block 4 is to be adjusted, the limiting block 22 on the support block 4 is pressed, then the spring 21 on one side of the limiting block 22 is compressed, then the limiting block 22 enters the inside of the support block 4, then the support block 4 is pulled to move, so that the length of the support block 4 is adjusted.
[0036] In order to improve the stability of the support block 4, as shown in the drawings, Figure 1 The utility model also includes that the support block 4 bottom screw is equipped with the rubber block 10 that increases friction.
[0037] In use, when the support block 4 below the inside protection board B5 contacts the ground, the rubber block 10 at the bottom of the support block 4 increases the friction of the bottom of the support block 4, improves the stability of the support block 4.
[0038] In order to improve the stability of the drive plate A11 and drive plate B14 movement, as shown in the drawings, Figure 2 The utility model also includes that the drive plate A11 and drive plate B14 outside are all symmetrically welded with the sliding sleeve 16, and the sliding sleeve 16 inboard is slidably connected with the support rod 17.
[0039] In use, when the drive plate A11 and drive plate B14 move, the sliding sleeve 16 that the drive plate A11 and drive plate B14 outside are all symmetrically welded respectively slides outside the support rod 17 that the outside protection board 9 is symmetrically welded, improves the stability of the drive plate A11 and drive plate B14 movement.
[0040] In use, when the convex block 8 on the outside protection board 9 is connected with the concave block 24 on the fixed frame 2, then the fixed rod A1 outside the fixed frame 2 is rotated, then the fixed rod A1 drives the unidirectional screw rod 18 in the fixed frame 2 to rotate, the connecting sleeve 19 outside the unidirectional screw rod 18 is limited to move longitudinally outside the unidirectional screw rod 18 by the external structure, then the transmission block 20 symmetrically installed outside the connecting sleeve 19 drives the transmission frame 3 to move, so that the concave block 24 on the transmission frame 3 drives the convex block 8 on the outside protection board 9 to move, so that the height of the outside protection board 9 is adjusted;
[0041] When the outer protective plate 9 is used, the fixed rod B7 on the outer protective plate 9 is turned, then the fixed plate B drives the bidirectional screw rod 13 to rotate, then the threaded sleeve A12 and the threaded sleeve B15 outside the bidirectional screw rod 13 are limited by the external structure, so that the threaded sleeve A12 and the threaded sleeve B15 move longitudinally towards each other outside the bidirectional screw rod 13, then the threaded sleeve A12 drives the inner protective plate A6 on the driving plate A11 to move, the threaded sleeve B15 drives the inner protective plate B5 on the driving plate B14 to move, so that the inner protective plate A6 and the inner protective plate B5 enter the outer protective plate 9, thereby reducing the volume of the protective plate, facilitating carrying of the protective plate.
[0042] When the length of the support block 4 needs to be adjusted, the limiting block 22 on the support block 4 is pressed, then the spring 21 on one side of the limiting block 22 is compressed, then the limiting block 22 enters the inside of the support block 4, then the support block 4 is pulled to move, thereby facilitating adjustment of the length of the support block 4.
[0043] When the adjustment of the support block 4 in the inner protective plate B5 is completed, the limiting block 22 in the support block 4 enters the limiting hole 23 opened on the surface of the inner protective plate B5, thereby facilitating adjustment of the length of the support block 4.
[0044] When the support block 4 below the inner protective plate B5 contacts the ground, the rubber block 10 at the bottom of the support block 4 increases the friction force at the bottom of the support block 4, improving the stability of the support block 4.
[0045] When the driving plate A11 and the driving plate B14 move, the sliding sleeve 16 symmetrically welded outside the driving plate A11 and the driving plate B14 respectively slides outside the support rod 17 symmetrically welded inside the outer protective plate 9, improving the stability of the movement of the driving plate A11 and the driving plate B14.
[0046] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principle of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.
Claims
1. An electrical protection device for electrical installation, characterized in that, The system includes an outer protective plate (9) and a fixing frame (2). The outer protective plate (9) is symmetrically slidably connected to an inner protective plate A (6) and an inner protective plate B (5), with the inner protective plate A (6) located on the upper side of the inner protective plate B (5). A fixing rod B (7) is inserted into the outer side of the outer protective plate (9), and a double-ended screw rod (13) is screwed on one side of the fixing rod B (7). The double-ended screw rod (13) is threadedly connected to a threaded sleeve A (12) and a threaded sleeve B (15), with the threaded sleeve A (12) located on the upper side of the threaded sleeve B (15). A drive plate A (11) for moving the inner protective plate A (6) is welded to the outside of the threaded sleeve A (12). A drive plate B (14) for moving the inner protective plate B (5) is welded to the outside of the threaded sleeve B (15). A convex locking block (8) is symmetrically screwed to the outside of the outer protective plate (9). A fixing rod A (1) is inserted into the top of the fixing frame (2), and a one-way screw (18) is screwed to one side of the fixing rod A (1). A connecting sleeve (19) is threaded to the outside of the one-way screw (18), and a transmission block (20) is symmetrically welded to the outside of the connecting sleeve (19). A transmission frame (3) is welded to the end of the transmission block (20) away from the connecting sleeve (19), and a concave locking block (24) connected to the convex locking block (8) is symmetrically screwed to the outside of the transmission frame (3).
2. The electrical protection device for electrical installation according to claim 1, characterized in that, The bottom of the inner protective plate B (5) is connected to a support block (4) that supports the inner protective plate B (5). A spring (21) is welded inside the support block (4), and a limit block (22) is welded to one side of the spring (21).
3. An electrical protection device for electrical installation according to claim 2, characterized in that, The inner protective plate B (5) has a limiting hole (23) on its surface to fix the limiting block (22), and there are multiple sets of limiting holes (23).
4. An electrical protection device for electrical installation according to claim 2, characterized in that, The bottom of the support block (4) is fixed with a rubber block (10) to increase friction.
5. An electrical protection device for electrical installation according to claim 1, characterized in that, Both drive plate A (11) and drive plate B (14) are symmetrically welded with sliding sleeves (16), and a support rod (17) is slidably connected to the inner side of the sliding sleeves (16).
Citation Information
Patent Citations
Safety protection device for electrical installation
CN209497163U