CN213071019U

CN213071019U - Automatic current protector

Info

Publication number: CN213071019U
Application number: CN202021487951.3U
Authority: CN
Inventors: 朱胜亮; 苗荣
Original assignee: Jiangsu Yitong Control System Co ltd
Current assignee: Jiangsu Yitong Control System Co ltd
Priority date: 2020-07-24
Filing date: 2020-07-24
Publication date: 2021-04-27
Anticipated expiration: 2030-07-24

Abstract

The utility model belongs to the technical field of circuit protection and specifically relates to an automatic type current protector, box body under including, the inboard of box body is seted up flutedly down, the inside of box body is provided with the inner chamber down, the gomphosis groove has been seted up to the upper end inner wall of box body down, the position that the upper end of box body is close to the gomphosis groove is provided with the screw hole down, the inboard in gomphosis groove is connected with the lid, the inboard of going up the lid runs through and is provided with the screw rod, the spout has been seted up to the inboard of going up the lid, the internal surface connection of spout has the handle that pushes away, the lower extreme that pushes away the handle is provided with the connecting block, the one end. The utility model provides an automatic type current protector has solved traditional mounting box for air switch's waterproof function relatively poor, and the switch is easy to be in contact with the problem of water back short circuit damage.

Description

Automatic current protector

Technical Field

The utility model relates to a circuit protection field specifically is an automatic type current protector.

Background

The circuit protection mainly protects components in an electronic circuit from being damaged under the conditions of overvoltage, overcurrent, surge, electromagnetic interference and the like, along with the development of scientific technology, electric power/electronic products are increasingly diversified and complicated, and applied circuit protection elements are simple glass tube fuses except for Sunday, and generally, the protection devices comprise piezoresistors, TVS, gas discharge tubes and the like. Has been developed into a wide variety of new electronic device fields.

The protection element commonly used in the circuit is an air switch, which is also called an air circuit breaker and is one of the circuit breakers. The switch can be automatically switched off as long as the current in the circuit exceeds the rated current. The air switch is an important electric appliance in a low-voltage distribution network and an electric power dragging system, and integrates control and multiple protection functions. Besides the contact and breaking of the circuit, the protection of short circuit, severe overload and undervoltage, etc. of the circuit or electrical equipment can be realized, and the protection device can also be used for starting the motor infrequently.

There are the following problems

The air switch is placed in the mounting box and is mounted on the inner side of the wall together with the mounting box, the traditional mounting box for the air switch is poor in waterproof function, and the switch is easy to be damaged by short circuit after being contacted with water.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides an automatic type current protector has solved traditional for the air switch mounting box waterproof function relatively poor, and the switch is easy in the problem of contacting the water back short circuit damage.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an automatic type current protector, includes box body down, the inboard of box body is seted up flutedly down, the inside of box body is provided with the inner chamber down, the gomphosis groove has been seted up to the upper end inner wall of box body down, the position that the upper end of box body is close to the gomphosis groove down is provided with the screw hole, the inboard in gomphosis groove is connected with the upper cover body, the inboard of upper cover body runs through and is provided with the screw rod, the spout has been seted up to the inboard of upper cover body, the internal surface of spout is connected with and pushes away the handle, the lower extreme that pushes away the handle is provided with the connecting block, the one end of connecting block is connected with the connecting rod, the other.

As a preferred technical scheme of the utility model, the quantity of screw hole is four groups, four groups the inboard of screw hole box body is the matrix distribution under.

As a preferred technical scheme of the utility model, go up the lid and be connected with lower box body gomphosis through the gomphosis groove, go up the lid and pass through screw rod and lower box body fixed connection.

As an optimal technical scheme of the utility model, push away the handle and pass through gomphosis and spout sliding connection, the shape that pushes away the handle is the I-shaped.

As a preferred technical scheme of the utility model, the connecting block rotates through pivot and connecting rod to be connected, the connecting rod rotates through pivot and activity key to be connected.

As an optimized technical solution of the utility model, the movable sheet group comprises a plurality of groups of movable sheets, a plurality of groups the movable sheets are through cup jointing sliding connection.

As an optimal technical scheme of the utility model, the quantity of recess is two sets of, the internal diameter size of recess and air switch institute interconnecting link diameter size looks adaptation.

Compared with the prior art, the utility model provides an automatic type current protector possesses following beneficial effect:

the utility model provides an automatic type current protector, pushes away the transmission structure connection activity key that handle, connecting block and connecting rod constitute through the setting, makes the closure of activity key can realize through the slip that pushes away the handle, and the design of activity piece group, lower box body and upper cover body makes air switch be in relatively inclosed environment simultaneously, can prevent effectively that liquid infiltration box body and air switch from contacting, and the phenomenon that leads to the circuit to destroy appears.

Drawings

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

FIG. 2 is a schematic diagram of the appearance of the present invention;

FIG. 3 is a schematic top view of the lower case;

FIG. 4 is a schematic view of the closed structure of the internal movable key of the present invention;

FIG. 5 is a schematic view of the open structure of the internal movable key of the present invention;

FIG. 6 is an enlarged view of the area A in FIG. 3;

FIG. 7 is a schematic view of the engaging structure between the pushing handle and the lower case;

fig. 8 is a schematic diagram of a movable sheet set structure.

In the figure: 1. a lower box body; 2. a groove; 3. an inner cavity; 4. a threaded hole; 5. a fitting groove; 6. an upper cover body; 7. a screw; 8. a chute; 9. a push handle; 10. connecting blocks; 11. a connecting rod; 12. an active key; 13. An air switch; 14. the movable plate group.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 8, in the present embodiment, an automatic current protector includes a lower case 1, a groove 2 is formed in an inner side of the lower case 1, an inner cavity 3 is formed in the lower case 1, an engagement groove 5 is formed in an inner wall of an upper end of the lower case 1, a threaded hole 4 is formed in a position, close to the engagement groove 5, of the upper end of the lower case 1, an upper cover 6 is connected to an inner side of the engagement groove 5, a screw 7 penetrates through an inner side of the upper cover 6, a sliding groove 8 is formed in an inner side of the upper cover 6, a push handle 9 is connected to an inner surface of the sliding groove 8, a connection block 10 is disposed at a lower end of the push handle 9, one end of the connection block 10 is connected to a connection rod 11, the other end of the connection rod 11 is connected to.

In the embodiment, the number of the threaded holes 4 is four, the four groups of threaded holes 4 are distributed on the inner side of the lower box body 1 in a matrix manner, and the lower box body 1 and the upper cover body 6 are connected more firmly through the matrix distribution of the threaded holes 4; the upper cover body 6 is connected with the lower box body 1 in an embedded mode through the embedded groove 5, the upper cover body 6 is fixedly connected with the lower box body 1 through the screw 7, and the lower box body 1 and the upper cover body 6 can be conveniently detached and connected; the push handle 9 is connected with the sliding chute 8 in a sliding way through embedding, and the shape of the push handle 9 is I-shaped, so that the push handle 9 is convenient for a user to push, and the push handle 9 drives the movable key 12 to rotate; the connecting block 10 is rotatably connected with the connecting rod 11 through a rotating shaft, and the connecting rod 11 is rotatably connected with the movable key 12 through the rotating shaft, so that the push handle 9 can drive the movable key 12 to rotate; the movable sheet group 14 consists of a plurality of movable sheets which are connected in a sleeved sliding manner, and the sliding groove 8 and the lower box body 1 are kept relatively sealed while the push handle 9 can freely slide through the connection of the movable sheet group 14; the quantity of recess 2 is two sets of, and the internal diameter size of recess 2 and the air switch 13 be connected circuit diameter size looks adaptation, makes things convenient for the circuit to pass in and out box body 1 down.

The utility model discloses a theory of operation and use flow: the user passes recess 2 with air switch 13 fixed connection in the inside of box body 1 down, be connected to air switch 13 with the circuit afterwards, and connect feather key 12 and connecting rod 11 through the pivot, will go up lid 6 fixed cover in the upper end of box body 1 down through screw rod 7 afterwards, the disconnection when air switch 13 protection circuit, feather key 12 rotates one side this moment, and drive through connecting rod 11 and push away handle 9 and rotate the one end to spout 8, the user can push away handle 9 to the other end of spout 8 under the relative sealed condition of contactless air switch 13, drive feather key 12 through the transmission of connecting rod 11 and reset again, make air switch 13 circuit reconnect, the utility model discloses whole relatively sealed environment can effectually prevent that external liquid from taking place to contact with air switch 13.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An automatic current protector, includes box body (1) down, its characterized in that: the inner side of the lower box body (1) is provided with a groove (2), an inner cavity (3) is arranged in the lower box body (1), the inner wall of the upper end of the lower box body (1) is provided with an embedded groove (5), the upper end of the lower box body (1) is provided with a threaded hole (4) at a position close to the embedded groove (5), the inner side of the embedded groove (5) is connected with an upper cover body (6), the inner side of the upper cover body (6) is provided with a threaded rod (7) in a penetrating manner, the inner side of the upper cover body (6) is provided with a sliding groove (8), the inner surface of the sliding groove (8) is connected with a push handle (9), the lower end of the push handle (9) is provided with a connecting block (10), one end of the connecting block (10) is connected with a connecting rod (11), the other end of the connecting rod (11, and a movable sheet set (14) is arranged on the inner side of the sliding groove (8).

2. An automatic type current protector according to claim 1, characterized in that: the number of the threaded holes (4) is four, and the four groups of the threaded holes (4) are distributed on the inner side of the lower box body (1) in a matrix manner.

3. An automatic type current protector according to claim 1, characterized in that: the upper cover body (6) is connected with the lower box body (1) in an embedded mode through the embedded groove (5), and the upper cover body (6) is fixedly connected with the lower box body (1) through the screw (7).

4. An automatic type current protector according to claim 1, characterized in that: the push handle (9) is connected with the sliding groove (8) in a sliding mode through embedding, and the push handle (9) is I-shaped.

5. An automatic type current protector according to claim 1, characterized in that: the connecting block (10) is rotatably connected with the connecting rod (11) through a rotating shaft, and the connecting rod (11) is rotatably connected with the movable key (12) through a rotating shaft.

6. An automatic type current protector according to claim 1, characterized in that: the movable sheet group (14) is composed of a plurality of groups of movable sheets which are connected in a sliding mode through sleeving.

7. An automatic type current protector according to claim 1, characterized in that: the number of the grooves (2) is two, and the inner diameter size of the grooves (2) is matched with the diameter size of a connecting line connected with the air switch (13).