CN215731531U

CN215731531U - New energy automobile fills electric pile output overcurrent and short-circuit protection device

Info

Publication number: CN215731531U
Application number: CN202122297360.0U
Authority: CN
Inventors: 王宏岭; 王星坤
Original assignee: Shenzhen Guangli Precision Hardware Co ltd
Current assignee: Shenzhen Guangli Precision Hardware Co ltd
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-02-01
Anticipated expiration: 2031-09-23

Abstract

The utility model discloses a new energy automobile charging pile output overcurrent and short circuit protection device which comprises a circuit breaker, wherein a fixed shell is fixedly connected to the rear end of the circuit breaker, a slide rail is arranged on one side of the fixed shell and consists of a connecting plate and two limiting bulges, a clamping groove is formed in the middle of the fixed shell, the inside of the clamping groove is clamped with the outside of one of the limiting bulges, a groove is formed in the bottom of the fixed shell, a through hole is formed in the bottom of the groove, a threaded hole is formed in the bottom of the through hole, circular grooves are formed in two sides of the inside of the groove, limiting rods are connected to the inside of the two circular grooves in a sliding mode, a limiting plate is fixedly connected to one end of each of the two limiting rods, springs are fixedly connected to the other end of each limiting rod, a movable rod is fixedly connected to the middle of each limiting plate, and a rotating column is rotatably connected to the bottom of each movable rod. Through setting up coupling mechanism, the person of facilitating the use installs fast or dismantles the circuit breaker to this person of facilitating the use changes or overhauls.

Description

New energy automobile fills electric pile output overcurrent and short-circuit protection device

Technical Field

The utility model relates to the technical field of output overcurrent and short-circuit protection devices, in particular to an output overcurrent and short-circuit protection device for a new energy automobile charging pile.

Background

At present, the phenomenon that current output overflows or the short circuit can occur in the charging process of the new energy charging pile, and for better protection users, a protection device is generally arranged and is mostly a circuit breaker.

At present, the existing circuit breaker is generally fixed on an external guide rail through screws, special tools are needed, the whole installation or the disassembly is complex, the replacement and the maintenance work are inconvenient, and therefore a new energy automobile charging pile output overcurrent and short circuit protection device is provided.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides the new energy automobile charging pile output overcurrent and short circuit protection device.

In order to solve the technical problems, the utility model provides the following technical scheme: a new energy automobile charging pile output overcurrent and short circuit protection device comprises a circuit breaker, wherein a fixed shell is fixedly connected to the rear end of the circuit breaker, a slide rail is arranged on one side of the fixed shell and consists of a connecting plate and two limiting bulges, a clamping groove is formed in the middle of the fixed shell, the inside of the clamping groove is clamped with the outside of one of the limiting bulges, a groove is formed in the bottom of the fixed shell, a through hole is formed in the bottom of the groove, a threaded hole is formed in the bottom of the through hole, circular grooves are formed in two sides of the inside of the groove, limiting rods are respectively and slidably connected inside the two circular grooves, one end of each of the two limiting rods is fixedly connected with a limiting plate, a spring is respectively and fixedly connected with the other end of each of the two limiting rods, a movable rod is fixedly connected to the middle of each limiting plate, a rotating column is rotatably connected to the bottom of each movable rod, a rotating round block is fixedly connected to the bottom of each rotating column, and the outer surface of the rotating column is provided with an external thread matched with the inner part of the threaded hole.

As a preferable technical scheme of the utility model, the middle part of the rotating column is provided with a rotating groove, one side of the rotating groove is provided with a through hole, the inside of the rotating groove is rotatably connected with a connecting round block, and one side of the connecting round block is fixedly connected with the end face of one end of the movable rod, which penetrates through the through hole.

As a preferable technical scheme of the utility model, the two circular grooves are symmetrically distributed by taking the central line of the through hole as a symmetrical center.

As a preferable technical scheme of the utility model, the inner size of the clamping groove is matched with the outer size of one limiting protrusion.

As a preferred technical scheme of the utility model, a plurality of tooth protrusions are circumferentially distributed on the outer surface of the rotary round block in an array manner by taking the central point of the rotary round block as the center of the array.

As a preferable technical scheme of the utility model, the outer diameter sizes of the two limiting rods are respectively matched with the inner diameter sizes of the two circular grooves.

Compared with the prior art, the utility model can achieve the following beneficial effects:

1. the rotary round block is rotated until the rotary column is separated from the threaded hole, and then the rotary round block is moved downwards until the limiting plate is not limited to the other limiting protrusion any more, then one limiting protrusion is separated from the clamping groove, so that the circuit breaker can be replaced or overhauled;

2. through setting up gag lever post and spring, can be when the installation circuit breaker for the limiting plate tentatively with the slide rail spacing, plays preliminary automatic fixation's effect, so that further fixed in later stage, simultaneously through setting up screw hole, rotation post and rotation disk, so that fixed to the limiting plate secondary, thereby stably install the circuit breaker.

Drawings

FIG. 1 is a side view of the present invention;

FIG. 2 is a schematic diagram of a groove structure according to the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2;

FIG. 4 is a schematic view of the structure of the fixing case of the present invention;

wherein: 1. a circuit breaker; 2. a stationary case; 3. a card slot; 4. a groove; 5. a through hole; 6. a circular groove; 7. a threaded hole; 8. a movable rod; 9. rotating the column; 10. rotating the round block; 11. a limiting plate; 12. a limiting rod; 13. a spring; 14. a rotating groove; 15. perforating; 16. connecting the round blocks; 17. a slide rail; 18. a connecting plate; 19. and a limiting bulge.

Detailed Description

The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in fig. 1-4, a new energy automobile charging pile output overcurrent and short circuit protection device comprises a circuit breaker 1, a fixed shell 2 is fixedly connected to the rear end of the circuit breaker 1, a slide rail 17 is arranged on one side of the fixed shell 2, the slide rail 17 is composed of a connecting plate 18 and two limiting protrusions 19, a clamping groove 3 is formed in the middle of the fixed shell 2, the inside of the clamping groove 3 is clamped with the outside of one limiting protrusion 19, a groove 4 is formed in the bottom of the fixed shell 2, a through hole 5 is formed in the bottom of the groove 4, a threaded hole 7 is formed in the bottom of the through hole 5, circular grooves 6 are formed in two sides of the inside of the groove 4, limiting rods 12 are slidably connected to the inside of the two circular grooves 6, a limiting plate 11 is fixedly connected to one end of the two limiting rods 12, a spring 13 is fixedly connected to the other end of the two limiting rods 12, and a movable rod 8 is fixedly connected to the middle of the limiting plate 11, the bottom of the movable rod 8 is rotatably connected with a rotating column 9, the bottom of the rotating column 9 is fixedly connected with a rotating round block 10, and the outer surface of the rotating column 9 is provided with an external thread matched with the inside of the threaded hole 7;

when the breaker 1 needs to be disassembled, the rotating round block 10 is rotated, the rotating round block 10 drives the rotating column 9 to rotate until the rotating column 9 is separated from the threaded hole 7, then the rotating round block 10 is moved downwards, the rotating round block 10 drives the rotating column 9 to move downwards, so that the movable rod 8 is driven to move downwards, so that the limiting plate 11 is driven to move downwards, the limiting plate 11 drives the two limiting rods 12 to move downwards along the circular groove 6, meanwhile, the spring 13 is compressed, until the limiting plate 11 does not limit the other limiting protrusion 19, the breaker 1 is moved upwards in an inclined manner, so that one limiting protrusion 19 is separated from the clamping groove 3, the disassembly of the breaker 1 is completed, the breaker 1 is replaced or overhauled, during the installation, the rotating round block 10 is moved downwards, so that the movable rod 8 drives the limiting plate 11 to move downwards and retract into the groove 4, the clamping groove 3 is clamped with one limiting protrusion 19, make draw-in groove 3 and spacing protruding 19 block and support each other, loosen this moment and rotate the circle 10, spring 13 resets, drive gag lever post 12 and move up, it is tentatively spacing with another spacing protruding 19 for limiting plate 11, the rotation in reverse direction rotates circle 10 afterwards, it closes with screw hole 7 is twisted to make to rotate post 9, offset up to limiting plate 11 and another spacing protruding 19, this design person of facilitating the use installs fast or dismantles circuit breaker 1, thereby be convenient for change it or overhaul.

In other embodiments, a rotating groove 14 is formed in the middle of the rotating column 9, a through hole 15 is formed in one side of the rotating groove 14, a connecting round block 16 is rotatably connected inside the rotating groove 14, and one side of the connecting round block 16 is fixedly connected with the end face of the movable rod 8, which penetrates through one end of the through hole 15;

when the convenient rotation post 9 rotates, can drive and rotate the groove 14 and rotate along connecting the disk 16, avoid the movable rod 8 to rotate spacing influence to the rotation post 9 production.

In other embodiments, the two circular grooves 6 are symmetrically distributed with the center line of the through hole 5 as the symmetric center;

the limiting plate 11 is conveniently stressed uniformly.

In other embodiments, the inner dimension of the slot 3 is matched with the outer dimension of one of the limiting protrusions 19;

the circuit breaker 1 is more stably installed.

In other embodiments, a plurality of tooth protrusions are circumferentially distributed on the outer surface of the rotary round block 10 in an array manner by taking the central point of the rotary round block 10 as the array center;

the user can better utilize the rotating round block 10 to rotate.

In other embodiments, the outer diameter of the two limiting rods 12 is matched with the inner diameter of the two circular grooves 6;

avoiding the large offset phenomenon of the limiting plate 11.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a new energy automobile fills electric pile output overcurrent and short-circuit protection device, includes circuit breaker (1), its characterized in that: the rear end of the circuit breaker (1) is fixedly connected with a fixed shell (2), one side of the fixed shell (2) is provided with a slide rail (17), the slide rail (17) is composed of a connecting plate (18) and two limiting bulges (19), the middle part of the fixed shell (2) is provided with a clamping groove (3), the inside of the clamping groove (3) is clamped with the outside of one of the limiting bulges (19), the bottom of the fixed shell (2) is provided with a groove (4), the bottom of the groove (4) is provided with a through hole (5), the bottom of the through hole (5) is provided with a threaded hole (7), two sides of the inside of the groove (4) are provided with circular grooves (6), the insides of the two circular grooves (6) are both slidably connected with limiting rods (12), one end of the two limiting rods (12) is fixedly connected with a limiting plate (11), and the other end of the two limiting rods (12) is both fixedly connected with a spring (13), the middle part fixedly connected with movable rod (8) of limiting plate (11), the bottom of movable rod (8) is rotated and is connected with and rotates post (9), the bottom fixedly connected with who rotates post (9) rotates disk (10), and the surface that rotates post (9) offers the external screw thread with the inside looks adaptation of screw hole (7).

2. The new energy automobile charging pile output overcurrent and short-circuit protection device of claim 1, characterized in that: the middle part of rotating post (9) has been seted up and has been rotated groove (14), perforation (15) have been seted up to one side of rotating groove (14), the inside rotation that rotates groove (14) is connected with connects circle piece (16), the terminal surface fixed connection that perforation (15) one end was passed with movable rod (8) in one side of connecting circle piece (16).

3. The new energy automobile charging pile output overcurrent and short-circuit protection device of claim 1, characterized in that: the two circular grooves (6) are symmetrically distributed by taking the central line of the through hole (5) as a symmetric center.

4. The new energy automobile charging pile output overcurrent and short-circuit protection device of claim 1, characterized in that: the inner size of the clamping groove (3) is matched with the outer size of one limiting protrusion (19).

5. The new energy automobile charging pile output overcurrent and short-circuit protection device of claim 1, characterized in that: the outer surface of the rotary round block (10) takes the central point of the rotary round block (10) as the array center, and a plurality of tooth protrusions are distributed in a circumferential array manner.

6. The new energy automobile charging pile output overcurrent and short-circuit protection device of claim 1, characterized in that: the outer diameter of the two limiting rods (12) is matched with the inner diameter of the two circular grooves (6) respectively.