Box frame of portable distribution box

Abstract

The utility model provides a box frame of a portable distribution box, which comprises a mounting plate, a rotatable bidirectional screw rod is arranged on the mounting plate, screw sleeves are arranged on the left side and the right side of the bidirectional screw rod, adjusting rods are arranged on the two sides of each screw sleeve, a rotatable connecting rod is arranged at the other end of each adjusting rod, and the connecting rods are arranged on the mounting plate. The connecting rod is provided with a storage plate used for installing the distribution box body, the installing plate is provided with supporting legs, the supporting legs are provided with movable columns in a sliding mode, and one side of each movable column is provided with a fixing sleeve used for limiting; according to the box frame of the portable distribution box, the adjusting hand wheel on the left side is screwed clockwise to drive the two-way screw rod to rotate, the two screw sleeves can be driven to be far away from each other under the mutual threaded connection effect of the two-way screw rod and the two screw sleeves, and the object placing plate can be lifted under the connection effect of the connecting rod; and the adjusting hand wheel is rotated anticlockwise, so that the object placing plate can descend, and the distribution box main body mounted on the object placing plate can be ascended and descended.

Description

Technical Field

[0001] The utility model relates to the field of distribution box frames, in particular to a box frame of a portable distribution box. Background Art

[0002] On the electricity transportation route, the electric energy brought by a main line needs to be distributed to the required circuits. Before the electricity enters factories, homes and other power users, a distribution box is needed. The distribution box is an electrical equipment with small size, easy installation, special technical performance, fixed position, unique configuration function, no site restrictions, common application, stable and reliable operation, high space utilization, small footprint and environmental protection. The massive parameters on the distribution box data generally constitute low-voltage forest according to electrical wiring, requiring the switchgear, measuring instruments, protective electrical appliances and auxiliary equipment to be assembled in a closed or semi-enclosed metal cabinet or on a screen to form a low-voltage distribution box. During normal operation, the circuit can be connected or disconnected with the help of manual or automatic switches.

[0003] However, when installing a distribution box outdoors, it is usually placed directly on the ground. In some low-lying and rainy areas, rainwater can easily flood into the distribution box, causing short circuit damage to the electrical components inside. However, if the distribution box is installed at a high place, it is inconvenient for the staff to operate it. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a box frame of a portable distribution box, which can drive the bidirectional screw to rotate by turning the adjusting hand wheel on the left side clockwise, and the two screw sleeves can be driven to move away from each other under the threaded connection between the bidirectional screw and the two screw sleeves. Under the connection of the connecting rod, the storage plate can be lifted, and the storage plate can be lowered by turning the adjusting hand wheel counterclockwise, thereby realizing the lifting and lowering of the distribution box body installed on the storage plate.

[0005] In order to solve the above-mentioned problem that when installing a distribution box outdoors, the distribution box is generally placed directly on the ground. In some low-lying and rainy areas, rainwater can easily flow into the interior of the distribution box, causing short circuit damage to the electrical components inside. However, if the distribution box is installed at a high place, it is inconvenient for the staff to operate. The utility model solves this problem through the following technical solution.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A box frame of a portable distribution box, including a mounting plate, a rotatable bidirectional screw is provided on the mounting plate, screw sleeves are provided on the left and right sides of the bidirectional screw, adjustment rods are provided on both sides of the screw sleeves, a rotatable connecting rod is provided at the other end of the adjusting rod, a storage plate for mounting a distribution box body is provided on the connecting rod, a supporting leg is provided on the mounting plate, a movable column is slidably provided on the supporting leg, and a fixing sleeve for limiting the position is provided on one side of the movable column.

[0008] Preferably, the fixing sleeve and the supporting leg are connected together via a fixing rod, a stretching rod is provided on the fixing sleeve, a chuck is provided on the stretching rod, and the stretching rod and the chuck are integrally formed.

[0009] Preferably, a return spring is provided inside the fixing sleeve, and the return spring is in close contact with the chuck.

[0010] Preferably, a limit pin is provided at one end of the stretching rod, and a slope is provided on the limit pin.

[0011] Preferably, the movable column is provided with a plurality of limit grooves, and the limit pin can slide into the limit grooves.

[0012] Preferably, connecting seats are provided at the four corners of the bottom of the storage plate, and the connecting rod is rotatably connected to the connecting seat.

[0013] Preferably, fixed seats are provided on both left and right sides of the top of the mounting plate, and the bidirectional screw is rotatably connected to the fixed seats.

[0014] Preferably, the bidirectional screw is provided with an adjusting hand wheel.

[0015] Preferably, both sides of the outer surface of the bidirectional screw are provided with positive threads and negative threads respectively, and the screw sleeve is threadably connected to the bidirectional screw.

[0016] Preferably, a base is provided at the bottom of the supporting leg.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] The utility model provides a box frame of a portable distribution box, which drives the bidirectional screw to rotate by rotating the adjusting hand wheel on the left side clockwise, and the two screw sleeves can be driven to move away from each other under the mutual threaded connection between the bidirectional screw and the two screw sleeves. Under the connection action of the connecting rod, the storage plate can be lifted, and the storage plate can be lowered by rotating the adjusting hand wheel counterclockwise, thereby realizing the lifting and lowering of the distribution box main body installed on the storage plate.

[0019] The utility model provides a box frame of a portable distribution box, which can push a limit pin into a limit groove for limiting the position under the action of the self-rebound force of a reset spring, and at the same time make the inclined surface vertically downward, so that the storage plate is not clamped during the rising process. During the lowering process of the storage plate, the staff can pull the stretching rod and compress the reset spring to pull the limit pin out of the limit groove, and rotate the stretching rod to drive the limit pin to rotate, so that the inclined surface is vertically upward, which is convenient for the storage plate to be lowered; further, when the movable column is clamped, the movable column can share the pressure from the distribution box body on the storage plate, reduce the pressure of the distribution box body on the storage plate on the connecting rod, and then reduce the interaction force between the screw sleeve and the bidirectional screw, so as to avoid deformation of the screw teeth due to excessive shear stress on the screw teeth on the bidirectional screw. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the mounting plate structure of the utility model;

[0023] Figure 3 This is a schematic diagram of the support leg structure of the utility model;

[0024] Figure 4 This is a schematic diagram of the structure of the fixed sleeve of the utility model;

[0025] Explanation of the figure numbers: 1. Distribution box body; 2. Storage plate; 3. Mounting plate; 4. Support leg; 5. Adjustment hand wheel; 6. Connecting seat; 7. Connecting rod; 8. Fixed seat; 9. Screw sleeve; 10. Bidirectional screw; 11. Adjustment rod; 12. Base; 13. Movable column; 14. Fixed rod; 15. Fixed sleeve; 16. Limiting groove; 17. Stretching rod; 18. Reset spring; 19. Chuck; 20. Limiting pin; 21. Inclined surface. DETAILED DESCRIPTION

[0026] The utility model is described in further detail below in conjunction with the accompanying drawings.

[0027] The following description is used to disclose the utility model so that those skilled in the art can implement the utility model. The preferred embodiments described below are only examples, and those skilled in the art can think of other obvious variations. The basic principles of the utility model defined in the following description can be used for other implementation schemes, variations, improvements, equivalent schemes, and other technical solutions that do not deviate from the spirit and scope of the utility model.

[0028] Those skilled in the art should understand that, in the disclosure of the present invention, the directions or positions indicated by the terms "longitudinal", "lateral", "up", "down", "left", "right", "front", "back", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. are based on the directions or positional relationships shown in the accompanying drawings, which are only simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the device or component referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the above terms should not be understood as limitations on the present invention.

[0029] It is to be understood that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element may be one, while in another embodiment, the number of the element may be multiple, and the term "one" should not be understood as a limitation on the quantity. Example

[0030] See also Figure 1-Figure 4 The utility model provides a box frame of a portable distribution box, including a mounting plate 3, a rotatable bidirectional screw 10 is provided on the mounting plate 3, screw sleeves 9 are threadedly connected on both sides of the bidirectional screw 10, adjusting rods 11 are fixedly installed on both sides of the screw sleeves 9, the other end of the adjusting rod 11 is rotatably connected to a connecting rod 7, a storage plate 2 for mounting a distribution box body 1 is provided on the connecting rod 7, support legs 4 are penetrated and fixedly connected at both front and rear ends of the bottom of the mounting plate 3, a movable column 13 is slidably connected to the support leg 4, and a fixed sleeve 15 for limiting is provided on one side of the movable column 13.

[0031] During use, the staff rotates the adjusting handwheel 5 on the left side clockwise to drive the bidirectional screw 10 to rotate. Under the threaded connection between the bidirectional screw 10 and the two screw sleeves 9, the two screw sleeves 9 can be driven to move away from each other. Under the connection of the connecting rod 7, the storage plate 2 can be lifted, and the storage plate 2 can be lowered by rotating the adjusting handwheel 5 counterclockwise, thereby realizing the lifting and lowering of the distribution box body 1 installed on the storage plate 2.

[0032] It should be noted that if Figure 3-Figure 4As shown, the fixing sleeve 15 and the supporting leg 4 are connected together through the fixing rod 14, and a stretching rod 17 is passed through and slidably connected on the fixing sleeve 15, and a chuck 19 is passed through and fixedly connected on the stretching rod 17, and the chuck 19 is located inside the fixing sleeve 15, and the stretching rod 17 and the chuck 19 are integrally formed, and a reset spring 18 is provided inside the fixing sleeve 15, and the reset spring 18 is sleeved on the stretching rod 17, and the reset spring 18 is in close contact with the chuck 19, and a limit pin 20 is fixedly installed on one end of the stretching rod 17 close to the movable column 13, and the limit pin 20 is provided with an inclined surface 21, and a plurality of evenly distributed limit grooves 16 are passed through and provided on one side of the movable column 13 close to the fixing sleeve 15, and the limit pin 20 can slide into the limit groove 16, and the limit pin 20 can be 20 is pushed into the limit groove 16 for limiting, and at the same time, the inclined surface 21 is vertically facing downward, so that the storage plate 2 is not clamped during the rising process. During the descent of the storage plate 2, the staff can pull the stretching rod 17 and compress the reset spring 18 to pull the limit pin 20 out of the limit groove 16, and rotate the stretching rod 17 to drive the limit pin 20 to rotate, so that the inclined surface 21 is vertically facing upward, which is convenient for the storage plate 2 to descend; further, when the movable column 13 is clamped, the movable column 13 can share the pressure from the distribution box body 1 on the storage plate 2, reduce the pressure of the distribution box body 1 on the storage plate 2 on the connecting rod 7, and then reduce the interaction force between the screw sleeve 9 and the bidirectional screw 10, and avoid deformation of the screw teeth due to excessive shear stress on the screw teeth on the bidirectional screw 10.

[0033] It should be noted that connecting seats 6 are fixedly installed at the four corners of the bottom of the storage plate 2, and the connecting rod 7 is rotatably connected to the connecting seat 6. Fixed seats 8 are fixedly installed on the left and right sides of the top of the mounting plate 3. The bidirectional screw 10 is rotatably connected to the fixed seat 8. An adjusting hand wheel 5 is fixedly installed on the bidirectional screw 10. The staff drives the bidirectional screw 10 to rotate by turning the adjusting hand wheel 5. The outer surface of the bidirectional screw 10 is provided with positive threads and negative threads on both sides. By rotating the bidirectional screw 10, the two screw sleeves 9 can be driven to move in opposite directions.

[0034] It is further explained that a base 12 is fixedly connected to the bottom of the support leg 4. The base 12 is made of lead plate and is used to stabilize the center of the device, making the device more stable in use.

[0035] Those skilled in the art should understand that the embodiments of the present invention described above and shown in the accompanying drawings are only examples and do not limit the present invention. The purpose of the present invention has been fully and effectively achieved. The functions and structural principles of the present invention have been demonstrated and explained in the embodiments. Without departing from the principles, the embodiments of the present invention may be deformed or modified in any way.

Claims

1. A box frame of a portable distribution box, characterized in that: The utility model comprises a mounting plate (3), wherein a rotatable bidirectional screw (10) is provided on the mounting plate (3), screw sleeves (9) are provided on the left and right sides of the bidirectional screw (10), adjustment rods (11) are provided on both sides of the screw sleeves (9), a rotatable connecting rod (7) is provided at the other end of the adjusting rod (11), a storage plate (2) for mounting a distribution box body (1) is provided on the connecting rod (7), a supporting leg (4) is provided on the mounting plate (3), a movable column (13) is slidably provided on the supporting leg (4), and a fixing sleeve (15) for limiting position is provided on one side of the movable column (13).

2. A portable distribution box frame according to claim 1, characterized in that: The fixing sleeve (15) and the supporting leg (4) are connected together via a fixing rod (14); a stretching rod (17) is provided on the fixing sleeve (15); a chuck (19) is provided on the stretching rod (17); and the stretching rod (17) and the chuck (19) are integrally formed.

3. A portable distribution box frame according to claim 2, characterized in that: A return spring (18) is provided inside the fixing sleeve (15), and the return spring (18) is in close contact with the chuck (19).

4. A box frame of a portable distribution box according to claim 3, characterized in that: A limit pin (20) is provided at one end of the stretching rod (17), and an inclined surface (21) is provided on the limit pin (20).

5. The box frame of a portable distribution box according to claim 4, characterized in that: The movable column (13) is provided with a plurality of limit slots (16), and the limit pin (20) can slide into the limit slots (16).

6. The box frame of a portable distribution box according to claim 5, characterized in that: Connecting seats (6) are provided at the four corners of the bottom of the storage plate (2), and the connecting rod (7) is rotatably connected to the connecting seat (6).

7. A box frame of a portable distribution box according to claim 6, characterized in that: The top of the mounting plate (3) is provided with a fixing seat (8) on both the left and right sides, and the bidirectional screw (10) is rotatably connected to the fixing seat (8).

8. The box frame of a portable distribution box according to claim 7, characterized in that: The bidirectional screw (10) is provided with an adjusting hand wheel (5).

9. The box frame of a portable distribution box according to claim 8, characterized in that: The outer surface of the bidirectional screw (10) is provided with positive threads and negative threads on both sides respectively, and the screw sleeve (9) is threadedly connected to the bidirectional screw (10).

10. A box frame of a portable distribution box according to claim 9, characterized in that: A base (12) is provided at the bottom of the supporting leg (4).

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