CN218525792U

CN218525792U - Junction box for waterproof motor

Info

Publication number: CN218525792U
Application number: CN202221014770.8U
Authority: CN
Inventors: 黄莉; 李启兵; 张斌
Original assignee: Shanghai Guanglu Electrical Co ltd
Current assignee: Shanghai Guanglu Electrical Co ltd
Priority date: 2022-04-28
Filing date: 2022-04-28
Publication date: 2023-02-24
Anticipated expiration: 2032-04-28

Abstract

The utility model discloses a terminal box for waterproof motor, including the drain pan, the up end fixedly connected with waterproof limit of drain pan, the outside fixedly connected with seal cover on waterproof limit, the upper shell has been cup jointed through the seal cover in the outside on waterproof limit, the lower terminal surface fixedly connected with spacing post of upper shell, the inboard on waterproof limit is provided with the stop collar, stop collar fixed connection is at the up end of drain pan, the wiring hole has been seted up to one side of upper shell. This terminal box for waterproof motor makes it use of mutually supporting through being provided with waterproof limit and seal cover, can make the terminal box for the motor possess fine water-proof effects, and the seal cover makes the junction leakproofness of epitheca and drain pan higher, avoids inside water gets into the terminal box from this, and waterproof limit can play fine effect of blockking, gets into drain pan edge as water, is blockked by waterproof limit, can't permeate to the power department of terminal box to fine improvement the waterproof nature of terminal box for the motor.

Description

Junction box for waterproof motor

Technical Field

The utility model relates to a terminal box technical field for the motor specifically is a terminal box for waterproof motor.

Background

The electric motor is a device for converting electric energy into mechanical energy, and utilizes an electrified coil to generate a rotating magnetic field and act on a rotor to form magnetoelectric power rotating torque, the electric motor is divided into a direct current motor and an alternating current motor according to different power sources, most of the electric motors in an electric system are alternating current motors, which can be synchronous motors or asynchronous motors, the electric motor mainly comprises a stator and a rotor, the direction of forced movement of an electrified lead in the magnetic field is related to the current direction and the direction of a magnetic induction line, the working principle of the electric motor is that the magnetic field acts on the current stress to enable the electric motor to rotate, and a junction box is an important component of the electric motor;

the existing motor junction box is poor in waterproofness, water vapor easily enters the interior of the junction of the bottom shell and the upper shell from a wiring hole, and therefore the junction box for the waterproof motor is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a terminal box for waterproof motor to it is poor to propose current motor terminal box waterproof nature among the solution above-mentioned background art, and steam gets into inside problem from the junction of wiring hole and drain pan and epitheca easily.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a terminal box for waterproof motor, includes the drain pan, the waterproof limit of up end fixedly connected with of drain pan, the outside fixedly connected with seal cover on waterproof limit, the upper shell has been cup jointed through the seal cover in the outside on waterproof limit, the lower terminal surface fixedly connected with spacing post of upper shell, the inboard on waterproof limit is provided with the stop collar, stop collar fixed connection is at the up end of drain pan, the wiring hole has been seted up to one side of upper shell, the inside in wiring hole can be dismantled and is connected with the wire cover.

Preferably, bolt holes are formed in four corners of the upper end face of the bottom shell, and the bottom shell is conveniently fixed on a motor shell through screws.

Preferably, the specific quantity of spacing post and stop collar all is provided with four groups, and spacing post and stop collar pass through the screw and can dismantle the connection, has made things convenient for and has passed through dismantling of screw with drain pan and epitheca to be connected.

Preferably, the wire sleeve is made of rubber materials, so that the wire sleeve has good elasticity and can play a good protection role on the connecting wire.

Preferably, one side of the bolt hole is provided with a through hole, and when the limiting column and the limiting sleeve are fixed through screws, the screws penetrate into the through holes to be screwed and fixed.

Preferably, the outside of wire sleeve is provided with the draw-in groove, is convenient for with the joint of wire sleeve inside the wiring hole.

Compared with the prior art, the beneficial effects of the utility model are that: the waterproof terminal box for the motor is provided with the waterproof edge and the sealing sleeve, so that the waterproof edge and the sealing sleeve are mutually matched for use, the terminal box for the motor can have a good waterproof effect, the sealing sleeve enables the sealing property of the joint of the upper shell and the bottom shell to be higher, water is prevented from entering the inside of the terminal box from the joint, the waterproof edge can play a good role in blocking, and when water enters the edge of the bottom shell, the water is blocked by the waterproof edge and cannot permeate to a power supply part of the terminal box, so that the waterproof property of the terminal box for the motor is well improved;

this terminal box for waterproof motor is through being provided with the line cover, and the line cover makes the terminal box for the motor when the wiring, penetrates the connecting wire inside the line cover, then pours waterproof glue into between connecting wire and the line cover to inside avoiding water to get into the terminal box by the line cover, played dual waterproof effect.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic top view of the bottom casing of the present invention;

fig. 3 is a schematic view of the structure of the wire sheath of the present invention.

In the figure: 1. a bottom case; 2. sealing sleeves; 3. an upper shell; 4. a limiting post; 5. a wire sleeve; 6. a position limiting sleeve; 7. a waterproof edge; 8. bolt holes; 9. perforating; 10. a clamping groove.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides a technical solution: a waterproof junction box for a motor comprises a bottom shell 1, bolt holes 8 are formed in four corner positions of the upper end face of the bottom shell 1, the bottom shell 1 is conveniently fixed on a motor shell through screws, a through hole 9 is formed in one side of each bolt hole 8, when a limiting column 4 and a limiting sleeve 6 are fixed through the screws, the screws penetrate into the through holes 9 to be screwed and fixed, a waterproof edge 7 is fixedly connected to the upper end face of the bottom shell 1, a sealing sleeve 2 is fixedly connected to the outer side of the waterproof edge 7 to enable the waterproof edge 7 to be matched with each other for use, the junction box for the motor has a good waterproof effect, the sealing sleeve 2 enables the junction of the upper shell 3 and the bottom shell 1 to have higher sealing performance, water is prevented from entering the junction box from the junction box, the waterproof edge 7 can play a good blocking effect, when water enters the edge of the bottom shell 1 and is blocked by the waterproof edge 7, and cannot permeate into a power supply of the junction box, thereby the waterproof property of the junction box for the motor is well improved, the outer side of the waterproof edge 7 is sleeved with the upper shell 3 through the sealing sleeve 2, the lower end face of the upper shell 3 is fixedly connected with the limit post 4, the inner side of the waterproof edge 7 is provided with the limit sleeve 6, the limit sleeve 6 is fixedly connected with the upper end face of the bottom shell 1, the specific number of the limit post 4 and the limit sleeve 6 is respectively provided with four groups, the limit post 4 and the limit sleeve 6 are detachably connected through screws, the detachable connection of the bottom shell 1 and the upper shell 3 through screws is facilitated, one side of the upper shell 3 is provided with a wiring hole, the wiring hole is internally detachably connected with the wire sleeve 5, the wire sleeve 5 is made of rubber materials, the wire sleeve 5 has good elasticity and can well protect a connecting wire, the outer side of the wire sleeve 5 is provided with the clamping groove 10 so as to be convenient to clamp the wire sleeve 5 in the wiring hole, and the wire sleeve 5 enables the junction box for the motor to be in wiring, penetrate inside the connecting wire cover 5, then fill waterproof glue between connecting wire and the wire cover 5 to inside avoiding water to get into the terminal box by wire cover 5, played dual waterproof effect.

The working principle is as follows: through being provided with waterproof limit 7 and seal cover 2, make it use of mutually supporting, can be so that terminal box for the motor possesses fine water-proof effects, and seal cover 2 makes the junction leakproofness of epitheca 3 and drain pan 1 higher, avoid water to get into the terminal box inside from this, and waterproof limit 7 can play fine effect of blockking, get into drain pan 1 edge as water, be blockked by waterproof limit 7, the power department of unable infiltration to terminal box, thereby fine improvement the waterproof nature of terminal box for the motor, through being provided with line cover 5, line cover 5 makes the terminal box for the motor when the wiring, penetrate line cover 5 inside with the connecting wire, then fill waterproof glue between connecting wire and line cover 5, thereby avoid water to get into inside the terminal box by line cover 5, dual waterproof effect has been played.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a terminal box for waterproof motor, includes drain pan (1), its characterized in that: the waterproof structure is characterized in that a waterproof edge (7) is fixedly connected to the upper end face of the bottom shell (1), a sealing sleeve (2) is fixedly connected to the outer side of the waterproof edge (7), an upper shell (3) is sleeved on the outer side of the waterproof edge (7) through the sealing sleeve (2), a limiting column (4) is fixedly connected to the lower end face of the upper shell (3), a limiting sleeve (6) is arranged on the inner side of the waterproof edge (7), the limiting sleeve (6) is fixedly connected to the upper end face of the bottom shell (1), a wiring hole is formed in one side of the upper shell (3), and a wire sleeve (5) is detachably connected to the inside of the wiring hole.

2. The junction box for a waterproof motor according to claim 1, characterized in that: bolt holes (8) are formed in four corner positions of the upper end face of the bottom shell (1).

3. The terminal box for a waterproof motor according to claim 1, characterized in that: the concrete quantity of spacing post (4) and stop collar (6) all is provided with four groups, and spacing post (4) and stop collar (6) pass through the screw and can dismantle the connection.

4. The terminal box for a waterproof motor according to claim 1, characterized in that: the wire sleeve (5) is made of rubber.

5. The junction box for a waterproof motor according to claim 2, characterized in that: one side of the bolt hole (8) is provided with a through hole (9).

6. The junction box for a waterproof motor according to claim 1, characterized in that: and a clamping groove (10) is arranged on the outer side of the wire sleeve (5).