Opening and closing limiter of metering box

Abstract

A metering box opening and closing limiter disclosed by the present invention comprises a metering box body, one side of the metering box body is movably connected with a movable door body through a hinge, an inner cavity of the movable door body is fixedly connected with a second sliding rod, and the lower end of the surface of the second sliding rod is sleeved with a first buffer spring. The upper end of the surface of the second sliding rod is slidably connected with a first sliding sleeve. A first limiting block is extruded to move downwards, the first limiting block moves downwards to extrude a third lifting plate to move downwards, the third lifting plate drives a first sliding sleeve to move downwards, and the first sliding sleeve extrudes a first buffer spring to deform and move downwards, so that the first sliding sleeve continuously moves downwards; a user extrudes a first clamping plate outwards to enable the first clamping plate to slightly deform and deform outwards, and at the moment, a first limiting block is loosened to enable a first buffer spring to recover deformation to drive the first limiting block to move upwards and extend to the top of the first clamping plate.

Description

Technical Field

[0001] The invention relates to the technical field of metering boxes, in particular to an opening and closing limiter for a metering box. Background Art

[0002] The meter box is a collection of metering instruments and auxiliary equipment necessary for measuring electric energy, including electric energy meters, voltage and current transformers for measurement and their secondary circuits, electric energy metering panels, cabinets, boxes, etc. The meter box can be installed in a hanging or floor-standing manner. To ensure the quality of installation, the hanging box must be fixed with built-in expansion bolts, and the bolt size must meet the requirements of safety and firmness and outdoor installation conditions;

[0003] However, the existing metering box is prone to the situation that the metering box door hits the staff during operation, thus causing safety risks. Therefore, a locking metering box door limiter is needed to help the staff improve safety protection. Summary of the invention

[0004] The purpose of the present invention is to provide a metering box opening and closing limiter to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a metering box opening and closing limiter, comprising a metering box body (1), one side of the metering box body (1) is movably connected to a movable door body (11) through a hinge, the inner cavity of the movable door body (11) is fixedly connected to a second sliding rod (19), the lower end of the surface of the second sliding rod (19) is sleeved with a first buffer spring (18), the upper end of the surface of the second sliding rod (19) is slidably connected to a first sliding sleeve (17), the inner side of the first sliding sleeve (17) is fixedly connected to a first lifting plate (12), the right side of the first lifting plate (12) is fixedly connected to a third lifting plate (16), the top of the third lifting plate (16) is fixedly connected to a first connecting rod (15), and the top of the first connecting rod (15) is fixedly connected to a first limit block (6).

[0006] Preferably, the top of the metering box body (1) is slidably connected to a second movable rod (8), the right side of the second movable rod (8) is fixedly connected to a second clamping plate (10), the bottom of the second movable rod (8) is fixedly connected to a clamping plate (3) via a movable shaft, the left side of the bottom of the second movable rod (8) is fixedly connected to a first movable rod (2) via a movable shaft, and the right side of the first movable rod (2) is fixedly connected to a first clamping plate (7).

[0007] Preferably, the first clamping plate (7) comprises a first flexible plastic plate (701) and a second flexible plastic plate (702), the bottom of the first flexible plastic plate (701) and the second flexible plastic plate (702) are arranged in sequence, and a hinge is provided at the connection between the movable door body (11) and the metering box body (1), and the material of the hinge is stainless steel.

[0008] Preferably, the upper end of the inner cavity of the metering box body (1) is fixedly connected to a first slide bar (13), the lower end of the surface of the first slide bar (13) is sleeved with a second buffer spring (22), the upper end of the surface of the first slide bar (13) is slidably connected to a second slide sleeve (21), the inner side of the second slide sleeve (21) is fixedly connected to a second lifting plate (14), the top of the second lifting plate (14) is fixedly connected to a second limit block (9), and the bottom of the second limit block (9) is in contact with the top of the second clamping plate (10).

[0009] Preferably, a wear-resistant layer is provided at the connection between the first sliding sleeve (17) and the second sliding rod (19), and the material of the wear-resistant layer is a nano-coating layer. The surfaces of the first movable rod (2) and the second movable rod (8) are provided with insulating coating, and the material of the insulating coating is high-temperature ceramic coating. An isolation layer is provided at the connection between the second sliding sleeve (21) and the first sliding rod (13), and the material of the isolation layer is polyurethane wear-resistant coating.

[0010] Preferably, a through hole (4) is opened on the right side of the surface of the first movable rod (2), the inner cavity of the through hole (4) is fixedly connected with a latch tooth (5), the inner side of the latch plate (3) is fixedly connected with a latch block, and the surface of the latch block inside the latch plate (3) is latched with the surface of the latch tooth (5).

[0011] Preferably, the second limit block (9) and the first limit block (6) are made of rubber blocks, the rubber blocks are flexible rubber, the second limit block (9) and the first limit block (6) are circular structures, and a visible window is provided at the middle end of the movable door body (11), and the visible window is transparent.

[0012] Preferably, an insulating pad is provided at the connection between the top of the metering box body (1) and the bottom of the second movable rod (8), and a heat dissipation hole is provided at the bottom of the back of the metering box body (1). An air filter is fixedly connected to the inner cavity of the heat dissipation hole by bolts, and the mesh number of the air filter is between 100 and 300.

[0013] Preferably, the material of the first flexible plastic plate (701) is a flexible ABS plastic layer, and the material of the second flexible plastic plate (702) is a polymer plastic layer.

[0014] Preferably, a reserved hole (20) is opened on one side of the meter box body (1), and the reserved hole (20) is a rectangular structure. The inner cavity of the reserved hole (20) is fixedly connected to an isolation mesh cover by bolts, and the inner surface of the isolation mesh cover is fixedly connected to an insulating rubber sheet by bolts.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] The present invention squeezes the first limit block to move downward and squeezes the third lifting plate to move downward through the first limit block, drives the first sliding sleeve to move downward through the third lifting plate, and squeezes the first buffer spring through the first sliding sleeve to deform and move downward so that the first sliding sleeve continues to move downward. At this time, the user squeezes the first clamping plate outward to cause the first clamping plate to deform slightly and deform outward. At this time, release the first limit block to allow the first buffer spring to recover its deformation, drive the first limit block to move upward and extend to the top of the first clamping plate, release the first clamping plate to allow the first clamping plate to recover its deformation. At this time, the first clamping plate is clamped with the first limit block, and the first clamping plate is limited by the first limit block, and then the second limit block is squeezed. The downward movement squeezes the second lifting plate to move downward and squeezes the second sliding sleeve to move downward, and the second buffer spring is squeezed by the second sliding sleeve to deform. At this time, the user squeezes the second clamping plate to cause the second clamping plate to deform slightly, loosens the second limit block to allow the second buffer spring to recover its deformation, drives the second limit block to move upward and extend to the top of the second clamping plate, loosens the second clamping plate to allow the second clamping plate to recover its deformation to limit the second limit block. At this time, the first movable rod and the second movable rod are installed and fixed. When people open the movable door body, the movable door body will drive the first movable rod to move and limit it through the surface of the clamping tooth through the clamping plate, which can prevent the movable door body from rebounding and hitting the operator, thereby improving the safety of the operator. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the present invention;

[0018] Figure 2 This is a schematic diagram of the structure of the first lifting plate of the present invention;

[0019] Figure 3 This is a schematic diagram of the structure of the first buffer spring of the present invention;

[0020] Figure 4 It is a schematic diagram of the second sliding sleeve structure of the present invention;

[0021] Figure 5 This is a schematic diagram of the structure of the first flexible plastic plate of the present invention.

[0022] In the figure: 1. metering box body; 2. first movable rod; 3. clamping plate; 4. through hole; 5. clamping tooth; 6. first limit block; 7. first clamping plate; 701. first flexible plastic plate; 702. second flexible plastic plate; 8. second movable rod; 9. second limit block; 10. second clamping plate; 11. movable door body; 12. first lifting plate; 13. first slide bar; 14. second lifting plate; 15. first connecting rod; 16. third lifting plate; 17. first sliding sleeve; 18. first buffer spring; 19. second sliding rod; 20. reserved hole; 21. second sliding sleeve; 22. second buffer spring. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] The components of the present application, 1, metering box body; 2, first movable rod; 3, clamping plate; 4, through hole; 5, clamping tooth; 6, first limit block; 7, first clamping plate; 701, first flexible plastic plate; 702, second flexible plastic plate; 8, second movable rod; 9, second limit block; 10, second clamping plate; 11, movable door body; 12, first lifting plate; 13, first sliding rod; 14, second lifting plate; 15, first connecting rod; 16, third lifting plate; 17, first sliding sleeve; 18, first buffer spring; 19, second sliding rod; 20, reserved hole; 21, second sliding sleeve; 22, second buffer spring are all universal standard parts or parts known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or through conventional experimental methods.

[0025] Embodiment 1:

[0026] See also Figure 1-Figure 5, provides the following technical solution, specifically disclosed: a metering box opening and closing limiter, comprising a metering box body (1), one side of the metering box body (1) is movably connected to a movable door body (11) through a hinge, the inner cavity of the movable door body (11) is fixedly connected to a second sliding rod (19), the lower end of the surface of the second sliding rod (19) is sleeved with a first buffer spring (18), the upper end of the surface of the second sliding rod (19) is slidably connected to a first sliding sleeve (17), the inner side of the first sliding sleeve (17) is fixedly connected to a first lifting plate (12), the right side of the first lifting plate (12) is fixedly connected to a third lifting plate (16), the top of the third lifting plate (16) is fixedly connected to a first connecting rod (15), and the top of the first connecting rod (15) is fixedly connected to a first limit block (6);

[0027] During actual use, the first limit block 6 is squeezed to move downward and the third lifting plate 16 is squeezed downward by the first limit block 6. The first sliding sleeve 17 is driven to move downward by the third lifting plate 16 and the first buffer spring 18 is squeezed by the first sliding sleeve 17 to deform and move downward, so that the first sliding sleeve 17 continues to move downward.

[0028] Embodiment 2:

[0029] See also Figure 1-Figure 4 , provides the following technical solution, specifically disclosed: the top of the metering box body (1) is slidably connected to a second movable rod (8), the right side of the second movable rod (8) is fixedly connected to a second clamping plate (10), the bottom of the second movable rod (8) is fixedly connected to a clamping plate (3) via a movable shaft, the left side of the bottom of the second movable rod (8) is fixedly connected to a first movable rod (2) via a movable shaft, the right side of the first movable rod (2) is fixedly connected to a first clamping plate (7), the upper end of the inner cavity of the metering box body (1) is fixedly connected to a first sliding rod (13), and the lower end of the surface of the first sliding rod (13) is sleeved with a second buffer A spring (22), the upper end of the surface of the first sliding rod (13) is slidably connected to a second sliding sleeve (21), the inner side of the second sliding sleeve (21) is fixedly connected to a second lifting plate (14), the top of the second lifting plate (14) is fixedly connected to a second limiting block (9), the bottom of the second limiting block (9) is in contact with the top of the second clamping plate (10), a through hole (4) is opened on the right side of the surface of the first movable rod (2), the inner cavity of the through hole (4) is fixedly connected to a clamping tooth (5), the inner side of the clamping plate (3) is fixedly connected to a clamping block, and the surface of the clamping block inside the clamping plate (3) is clamped with the surface of the clamping tooth (5);

[0030] In actual use, the user squeezes the first clamping plate 7 outward to cause the first clamping plate 7 to deform slightly and outward. At this time, the first limit block 6 is released to allow the first buffer spring 18 to recover its deformation, driving the first limit block 6 to move upward and extend to the top of the first clamping plate 7. The first clamping plate 7 is released to allow the first clamping plate 7 to recover its deformation. At this time, the first clamping plate 7 is engaged with the first limit block 6 and the first clamping plate 7 is limited by the first limit block 6. Then, the second limit block 9 is squeezed to move downward, the second lifting plate 14 is squeezed to move downward, and the second sliding sleeve 21 is squeezed to move downward. The second buffer spring 22 is squeezed by the second sliding sleeve 21 to deform. The second limit block 9 is moved upwards and extends to the top of the second clamping plate 10, and the second limit block 9 is moved upwards and extends to the top of the second clamping plate 10. The second clamping plate 10 is released to restore the deformation of the second buffer spring 22 to limit the second limit block 9. At this time, the first movable rod 2 and the second movable rod 8 are installed and fixed. When people open the movable door body 11, the movable door body 11 will drive the first movable rod 2 to move and limit the surface of the latch tooth 5 through the clamping plate 3, which can prevent the movable door body 11 from rebounding and hitting the operator, thereby improving the safety of the operator.

[0031] Embodiment three:

[0032] See also Figure 1-Figure 5, provides the following technical solution, specifically disclosed: the first clamping plate (7) includes a first flexible plastic plate (701) and a second flexible plastic plate (702), the bottom of the first flexible plastic plate (701) and the second flexible plastic plate (702) are arranged in sequence, a hinge is arranged at the connection between the movable door body (11) and the metering box body (1), the material of the hinge is stainless steel, a wear-resistant layer is arranged at the connection between the first sliding sleeve (17) and the second sliding rod (19), the material of the wear-resistant layer is a nano coating layer, the surfaces of the first movable rod (2) and the second movable rod (8) are provided with insulating coating, and the material of the insulating coating is high-temperature ceramic coating, an isolation layer is arranged at the connection between the second sliding sleeve (21) and the first sliding rod (13), the material of the isolation layer is polyurethane wear-resistant coating, the second limit block (9) and the first limit block (6) are made of rubber blocks, and the rubber blocks are soft The second limit block (9) and the first limit block (6) are of circular structure. A visual window is provided at the middle end of the movable door body (11). The visual window is transparent. An insulating pad is provided at the connection between the top of the metering box body (1) and the bottom of the second movable rod (8). A heat dissipation hole is provided at the bottom of the back of the metering box body (1). An air filter is fixedly connected to the inner cavity of the heat dissipation hole by bolts. The mesh number of the air filter is 100 to 300. The material of the first flexible plastic plate (701) is a flexible ABS plastic layer. The material of the second flexible plastic plate (702) is a polymer plastic layer. A reserved hole (20) is provided on one side of the metering box body (1). The reserved hole (20) is of rectangular structure. The inner cavity of the reserved hole (20) is fixedly connected to an isolation mesh cover by bolts. The inner surface of the isolation mesh cover is fixedly connected to an insulating rubber sheet by bolts.

[0033] In actual use, by using the first flexible plastic plate 701 and the second flexible plastic plate 702 in combination, the first clamping plate 7 and the second clamping plate 10 can be conveniently squeezed and deformed, and can be quickly and conveniently connected. By arranging heat dissipation holes and an air filter on the back of the metering box body (1), the electrical components inside the metering box body (1) can be cooled. At the same time, while dissipating heat and ventilating, dust can be effectively prevented from entering the inner cavity of the metering box body (1) and affecting the normal operation of the electrical components in the inner cavity of the metering box body (1).

[0034] During use: by squeezing the first limit block 6 to move downward and squeezing the third lifting plate 16 to move downward through the first limit block 6, the first sliding sleeve 17 is driven to move downward through the third lifting plate 16, and the first buffer spring 18 is squeezed through the first sliding sleeve 17 to deform and move downward so that the first sliding sleeve 17 continues to move downward. At this time, the user squeezes the first clamping plate 7 outward to cause the first clamping plate 7 to deform slightly and deform outward. At this time, release the first limit block 6 to allow the first buffer spring 18 to restore the deformation, drive the first limit block 6 to move upward and extend to the top of the first clamping plate 7, release the first clamping plate 7 to allow the first clamping plate 7 to restore the deformation. At this time, the first clamping plate 7 is clamped with the first limit block 6, and the first clamping plate 7 is limited by the first limit block 6, and then, the second limit block 9 is squeezed downward. The movement squeezes the second lifting plate 14 to move downward and squeezes the second sliding sleeve 21 to move downward, and the second buffer spring 22 is squeezed by the second sliding sleeve 21 to deform. At this time, the user squeezes the second clamping plate 10 to cause the second clamping plate 10 to deform slightly, loosens the second limit block 9 to allow the second buffer spring 22 to recover its deformation and drive the second limit block 9 to move upward and extend to the top of the second clamping plate 10, loosens the second clamping plate 10 to allow the second clamping plate 10 to recover its deformation and limit the second limit block 9. At this time, the first movable rod 2 and the second movable rod 8 are installed and fixed. When people open the movable door body 11, the movable door body 11 will drive the first movable rod 2 to move and limit the surface of the latch tooth 5 through the clamping plate 3, which can prevent the movable door body 11 from rebounding and hitting the operator, thereby improving the safety of the operator.

[0035] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention, rather than to limit the scope of protection of the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the present invention.

Claims

1. A meter box opening and closing limiter, comprising a meter box body (1), characterized in that: One side of the metering box body (1) is movably connected to a movable door body (11) through a hinge, the inner cavity of the movable door body (11) is fixedly connected to a second sliding rod (19), the lower end of the surface of the second sliding rod (19) is sleeved with a first buffer spring (18), the upper end of the surface of the second sliding rod (19) is slidably connected to a first sliding sleeve (17), the inner side of the first sliding sleeve (17) is fixedly connected to a first lifting plate (12), the right side of the first lifting plate (12) is fixedly connected to a third lifting plate (16), the top of the third lifting plate (16) is fixedly connected to a first connecting rod (15), and the top of the first connecting rod (15) is fixedly connected to a first limit block (6).

2. The metering box opening and closing limiter according to claim 1 is characterized in that: The top of the metering box body (1) is slidably connected to a second movable rod (8), the right side of the second movable rod (8) is fixedly connected to a second clamping plate (10), the bottom of the second movable rod (8) is fixedly connected to a clamping plate (3) via a movable shaft, the left side of the bottom of the second movable rod (8) is fixedly connected to a first movable rod (2) via a movable shaft, and the right side of the first movable rod (2) is fixedly connected to a first clamping plate (7).

3. The metering box opening and closing limiter according to claim 2 is characterized in that: The first clamping plate (7) comprises a first flexible plastic plate (701) and a second flexible plastic plate (702), the bottom of the first flexible plastic plate (701) and the second flexible plastic plate (702) are arranged in sequence, and a hinge is arranged at the connection between the movable door body (11) and the metering box body (1), and the material of the hinge is stainless steel.

4. The meter box opening and closing limiter according to claim 1 is characterized in that: The upper end of the inner cavity of the metering box body (1) is fixedly connected to a first slide bar (13); the lower end of the surface of the first slide bar (13) is sleeved with a second buffer spring (22); the upper end of the surface of the first slide bar (13) is slidably connected to a second sliding sleeve (21); the inner side of the second sliding sleeve (21) is fixedly connected to a second lifting plate (14); the top of the second lifting plate (14) is fixedly connected to a second limit block (9); the bottom of the second limit block (9) is in contact with the top of the second clamping plate (10).

5. The meter box opening and closing limiter according to claim 1 is characterized in that: A wear-resistant layer is provided at the connection between the first sliding sleeve (17) and the second sliding rod (19), and the material of the wear-resistant layer is a nano-coating layer. The surfaces of the first movable rod (2) and the second movable rod (8) are provided with insulating coating, and the material of the insulating coating is high-temperature ceramic coating. An isolation layer is provided at the connection between the second sliding sleeve (21) and the first sliding rod (13), and the material of the isolation layer is polyurethane wear-resistant coating.

6. The meter box opening and closing limiter according to claim 2 is characterized in that: A through hole (4) is provided on the right side of the surface of the first movable rod (2); a latching tooth (5) is fixedly connected to the inner cavity of the through hole (4); a latching block is fixedly connected to the inner side of the latch plate (3); and the surface of the latching block inside the latch plate (3) is latched with the surface of the latching tooth (5).

7. The meter box opening and closing limiter according to claim 1 is characterized in that: The second limit block (9) and the first limit block (6) are made of rubber blocks, the rubber blocks are flexible rubber, the second limit block (9) and the first limit block (6) are circular structures, and a visible window is provided at the middle end of the movable door body (11), and the visible window is transparent.

8. The meter box opening and closing limiter according to claim 2 is characterized in that: An insulating pad is provided at the connection between the top of the metering box body (1) and the bottom of the second movable rod (8), and a heat dissipation hole is provided at the bottom of the back of the metering box body (1). An air filter is fixedly connected to the inner cavity of the heat dissipation hole by bolts, and the mesh number of the air filter is between 100 and 300.

9. The meter box opening and closing limiter according to claim 2, characterized in that: The material of the first flexible plastic plate (701) is a flexible ABS plastic layer, and the material of the second flexible plastic plate (702) is a polymer plastic layer.

10. The meter box opening and closing limiter according to claim 1, characterized in that: A reserved hole (20) is provided on one side of the metering box body (1); the reserved hole (20) is of a rectangular structure; an inner cavity of the reserved hole (20) is fixedly connected to an isolation mesh cover by bolts; and an insulating rubber sheet is fixedly connected to the inner surface of the isolation mesh cover by bolts.

Images