CN219124037U

CN219124037U - Power distribution cabinet protective shell

Info

Publication number: CN219124037U
Application number: CN202223351026.XU
Authority: CN
Inventors: 王荣志; 陈晶晶
Original assignee: Hefei Zhijing Electrical Equipment Co ltd
Current assignee: Hefei Zhijing Electrical Equipment Co ltd
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-06-02
Anticipated expiration: 2032-12-14

Abstract

The utility model discloses a protective shell of a power distribution cabinet, which comprises a shell, wherein the bottom of the shell is connected with a base through a universal joint, the top of the base is provided with at least four elastic telescopic supporting pieces distributed in an annular array, and when the four elastic telescopic supporting pieces are stretched to a limit position, the tops of the four elastic telescopic supporting pieces are attached to the bottom of the shell. According to the utility model, through the split structure of the base and the shell, the base is connected with the shell through the universal joint, the bottom of the shell is elastically supported through the four elastic telescopic supporting pieces, when the shell receives impact, the elastic telescopic supporting pieces are extruded to shrink downwards to absorb energy, and then through the arrangement of the damping component, the resilience of the elastic telescopic supporting pieces is damped and limited, so that the shell is prevented from continuously shaking due to the rebound impact of the elastic telescopic supporting pieces, and the problem of poor buffering and protecting performances of the power distribution cabinet is solved.

Description

Power distribution cabinet protective shell

Technical Field

The utility model relates to the technical field of power distribution cabinets, in particular to a protective shell of a power distribution cabinet.

Background

The switch board is as electrical equipment one kind, in the use, when receiving injury such as collision, leads to inside electrical component collision damage easily to cause a series of faults such as power failure maintenance, traditional switch board casing is most integral type structure, when receiving the collision, is difficult to carry out buffering protection to the switch board casing mostly, has the poor problem of buffering protective properties.

Disclosure of Invention

The utility model aims at: in order to solve the problem of poor buffering protective properties, a switch board protective housing is proposed.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a switch board protective housing, includes the casing, the bottom of casing is connected with the base through the universal joint, the top of base has four at least elastic expansion support piece that are annular array and distribute, four when elastic expansion support piece stretches to extreme position, four elastic expansion support piece's top all with the bottom laminating of casing, the top of base has the restriction elastic expansion support piece upwards elasticity reset's damping subassembly.

As a further description of the above technical solution:

the four elastic telescopic support pieces comprise four first telescopic rods arranged in the middle of four sides of the top of the base, buffer springs are sleeved outside the first telescopic rods, buffer balls are fixedly connected to the tops of the first telescopic rods, positioning sliding grooves perpendicular to the edges are formed in the middle of four sides of the bottom of the shell, and supporting balls extending to the inner sides of the positioning sliding grooves are connected to the tops of the buffer balls through connecting columns.

As a further description of the above technical solution:

the damping assembly comprises second telescopic rods which are arranged at the top of the base and close to two sides of each buffer ball, the second telescopic rods are perpendicular to the first telescopic rods, the damping balls which are abutted to the buffer balls are fixedly connected to the tail ends of the second telescopic rods, and extrusion springs are sleeved outside the second telescopic rods.

As a further description of the above technical solution:

the radius of the buffer ball is larger than that of the connecting column, the sphere centers of the buffer ball and the damping ball are positioned on the same horizontal line, and the second telescopic rod stretches to the limit position to drive the damping ball to extend to the position between the outer edge of the connecting column and the outer edge of the buffer ball.

As a further description of the above technical solution:

when the supporting ball is attached to the top of the inner side of the positioning sliding groove, the spherical center of the supporting ball is positioned on the inner side of the positioning sliding groove.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:

through the split type structure of base and casing, because the base passes through the universal joint with the casing and is connected, carry out elastic support to the bottom of casing through four elastic expansion support pieces, when the casing received the impact, drive the casing and rotate to extrusion elastic expansion support piece shrink energy-absorbing downwards, thereby cushion the impact of switch board, the setting of rethread damping subassembly, rebound to extrusion elastic expansion support piece carries out damping restriction, prevent extrusion elastic expansion support piece rebound impact and lead to the casing to rock in succession, has solved the problem that switch board buffering protective properties is poor from this.

Drawings

Fig. 1 shows a schematic perspective view of a structure according to the present utility model;

fig. 2 is a schematic view showing a connection structure between a base and a bottom of a housing according to an embodiment of the present utility model;

FIG. 3 is a schematic view showing a three-dimensional cross-sectional structure of a connection between a base and a bottom of a housing according to an embodiment of the present utility model;

legend description:

1. a housing; 101. positioning a chute; 2. a base; 3. a first telescopic rod; 4. a buffer ball; 401. a connecting column; 5. a support ball; 6. a second telescopic rod; 7. extruding a spring; 8. damping balls; 9. a buffer spring; 10. and a universal joint.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a switch board protective housing, includes casing 1, and casing 1's bottom is connected with base 2 through universal joint 10, and the top of base 2 has four at least elastic expansion support pieces that are annular array and distribute, and when four elastic expansion support pieces were stretched to extreme position, four elastic expansion support piece's top all was laminated with casing 1's bottom, and base 2's top has the damping subassembly that is used for restricting elastic expansion support piece and upwards elasticity to reset.

Through the split type structure of base 2 and casing 1, because base 2 passes through universal joint 10 with casing 1 to be connected, carry out elastic support through four elastic expansion support piece to the bottom of casing 1, when casing 1 received the impact, drive casing 1 and rotate, thereby extrusion elastic expansion support piece shrink energy-absorbing downwards, thereby cushion the impact of switch board, the setting of rethread damping subassembly, the resilience of extrusion elastic expansion support piece carries out the damping restriction, prevent extrusion elastic expansion support piece rebound impact and lead to casing 1 to rock in succession, the problem that switch board buffering protective properties is poor has been solved from this.

Specifically, as shown in fig. 2 and 3, four elastic telescopic support pieces include four first telescopic rods 3 installed in the middle of four sides at the top of the base 2, and buffer springs 9 are sleeved outside the first telescopic rods 3, the tops of the first telescopic rods 3 are fixedly connected with buffer balls 4, the middle of four sides at the bottom of the shell 1 is provided with positioning sliding grooves 101 perpendicular to the edges, and the tops of the buffer balls 4 are connected with supporting balls 5 extending to the inner sides of the positioning sliding grooves 101 through connecting columns 401.

The buffer spring 9 is vertically supported through the first telescopic rod 3, the elastic buffer is carried out on the rotation extrusion of the shell 1 through the setting of the buffer spring 9, and the limiting position of the support ball 5 moving to the top is positioned, so that the support ball 5 stably supports the bottom of the shell 1, the shell 1 is prevented from tilting, the setting of the positioning sliding chute 101 is carried out, the support ball 5 slides to the inner side of the positioning sliding chute 101, and the shell 1 is prevented from rotating.

Specifically, as shown in fig. 2 and 3, the damping assembly includes a second telescopic rod 6 installed at the top of the base 2 and close to two sides of each damping ball 4, the second telescopic rod 6 is perpendicular to the first telescopic rod 3, the end of the second telescopic rod 6 is fixedly connected with a damping ball 8 abutted to the damping ball 4, an extrusion spring 7 is sleeved outside the second telescopic rod 6, the radius of the damping ball 4 is larger than that of the connecting column 401, the centers of the damping balls 4 and the damping ball 8 are located on the same horizontal line, and the second telescopic rod 6 stretches to a limit position to drive the damping ball 8 to extend between the outer edge of the connecting column 401 and the outer edge of the damping ball 4.

The damping ball 8 and the extrusion spring 7 are supported through the second telescopic rod 6, the damping ball 8 is extruded through the second telescopic rod 6 to be abutted with the damping ball 4, when the shell 1 rotates to extrude the first telescopic rod 3 and the damping spring 9 to shrink, the damping ball 4 moves to the lower side of the damping ball 8, at the moment, the extrusion spring 7 extrudes the second telescopic rod 6 to stretch to the limit position, the damping ball 8 is driven to extend to between the outer edge of the connecting column 401 and the outer edge of the damping ball 4, when the damping spring 9 extrudes the damping ball 4 to elastically reset upwards, the damping ball 4 extrudes the damping ball 8 to move to two sides, and accordingly the second telescopic rod 6 and the extrusion spring 7 are driven to shrink, the damping force of upward reset of the damping ball 8 is increased, and the rebound impact force of the supporting ball 5 on the damping ball 4 to the bottom of the shell 1 is reduced.

Specifically, as shown in fig. 2 and 3, when the supporting ball 5 is attached to the top of the inner side of the positioning chute 101, the center of the supporting ball 5 is located inside the positioning chute 101.

The supporting ball 5 is prevented from slipping to the outside of the positioning chute 101 when the housing 1 receives a rotational force along the vertical axis of the universal joint 10.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a switch board protective housing, includes casing (1), its characterized in that, the bottom of casing (1) is connected with base (2) through universal joint (10), the top of base (2) has four at least elastic expansion support piece that are annular array and distribute, four when elastic expansion support piece stretches to extreme position, four elastic expansion support piece's top all with the laminating of the bottom of casing (1), the top of base (2) has the damping subassembly that is used for the restriction elastic expansion support piece upwards elasticity resets.

2. The power distribution cabinet protection shell according to claim 1, wherein the four elastic telescopic supporting pieces comprise four first telescopic rods (3) arranged at the middle parts of four sides of the top of the base (2), buffer springs (9) are sleeved outside the first telescopic rods (3), buffer balls (4) are fixedly connected to the tops of the first telescopic rods (3), positioning sliding grooves (101) perpendicular to the edges are formed in the middle parts of four sides of the bottom of the shell (1), and supporting balls (5) extending to the inner sides of the positioning sliding grooves (101) are connected to the tops of the buffer balls (4) through connecting columns (401).

3. The protective shell of a power distribution cabinet according to claim 2, wherein the damping assembly comprises second telescopic rods (6) installed at the top of the base (2) and close to two sides of each buffer ball (4), the second telescopic rods (6) are perpendicular to the first telescopic rods (3), damping balls (8) abutted to the buffer balls (4) are fixedly connected to the tail ends of the second telescopic rods (6), and extrusion springs (7) are sleeved outside the second telescopic rods (6).

4. A protective housing for a power distribution cabinet according to claim 3, wherein the radius of the buffer ball (4) is larger than that of the connecting column (401), the ball centers of the buffer ball (4) and the damping ball (8) are positioned on the same horizontal line, and the second telescopic rod (6) stretches to a limit position to drive the damping ball (8) to extend between the outer edge of the connecting column (401) and the outer edge of the buffer ball (4).

5. The protective shell of the power distribution cabinet according to claim 2, wherein when the supporting ball (5) is attached to the top of the inner side of the positioning chute (101), the ball center of the supporting ball (5) is located on the inner side of the positioning chute (101).