CN217740887U - Motor terminal device - Google Patents

Abstract

The utility model provides a motor terminal device, which comprises an outer casing fixed on the outer side of the motor, wherein three static plugs are arranged in the outer casing and are electrically connected with the lead wires of the motor in one-to-one correspondence, and the static plugs are connected by plugging. There is a moving plug, and the power cord is connected to the moving plug. By setting the mode in which the moving contact and the static contact are separated, the external power supply line and the motor are detachable, and both the moving contact and the static contact are detachable. The connection structure between them is stable, which can effectively avoid the occurrence of breaking and loosening of the existing power cords.

Description

A motor terminal device

technical field

The utility model relates to the technical field of motor terminal, in particular to a motor terminal device.

Background technique

When the traditional motor power line is disconnected, the work is affected by special tools or space, and the disconnection and wiring work cannot be performed immediately, and the efficiency is low. The motor power wiring is usually crimped directly on the terminal post with a nut or crimped on the copper nose by the cable core, and then crimped on the terminal post with a nut. During the process of stripping the insulation layer, the cable core has The risk of breaking or the hidden danger of wire core damage during the process of stripping the insulation layer, and the risk of disconnection of the wiring part during the contact process or when the mechanical parts experience large vibrations.

Utility model content

The purpose of the utility model is to provide a motor terminal device, which has reliable connection and good safety performance.

The utility model provides a motor terminal device, which includes an outer shell fixed on the outside of the motor. The outer shell is provided with three static plugs that are electrically connected to the motor lead wires one by one. The static plugs are plugged and connected with A moving plug is connected with a power cord on the moving plug.

Further, the front end of the outer casing is provided with an open groove, and the static plug is installed at the bottom of the groove.

Further, the static plug includes a socket and several connection terminals arranged inside the socket, and the connection terminals are electrically connected to the terminals of the motor.

Further, the bottom end inside the static plug is provided with a waterproof rubber ring.

Further, a waterproof rubber ring is provided at the joint between the bottom end of the outer shell and the motor.

Further, the outer casing is a rectangular structure.

Further, connecting holes are provided at the bottom corners of the groove, and the outer casing is fixedly connected to the motor through the connecting holes through the bolts.

Further, a rotating shaft is provided below the static plug in the middle position in the groove, the length of the rotating shaft is greater than the depth of the groove, and the end of the rotating shaft protruding from the groove is rotatably connected with a protective mask.

Further, the covering area of the protective mask is the same as that of the outer casing.

Further, a ring-shaped iron piece is fixed on the top of each static plug, and a ring-shaped magnet corresponding to the ring-shaped iron piece is provided on the side of the protective mask close to the outer casing.

The technical solution of the utility model provides a motor terminal device, which makes the external power line and the motor detachable by setting the mode of separating the moving contact and the static contact, and the moving contact and the static contact The connection structure between the two is stable, which can effectively avoid the occurrence of breakage and loosening easily caused by crimping of existing power lines.

Description of drawings

In order to more clearly illustrate the specific implementation of the utility model or the technical solutions in the prior art, the accompanying drawings that need to be used in the description of the specific implementation or the prior art will be briefly introduced below. Obviously, the following descriptions The accompanying drawings are some implementations of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without any creative work.

Fig. 1 is the overall structural representation of the utility model;

Fig. 2 is a schematic structural view of the utility model when the movable plug is not included;

Fig. 3 is a schematic diagram of another overall structure of the utility model when the movable plug is not included;

Description of reference signs: 1-outer shell, 101-connecting hole, 2-static plug, 201-ring iron sheet, 202-external thread, 3-protective mask, 301-ring magnet, 4-rotating shaft, 5-moving plug, 501-nut, 6-power cord.

Detailed ways

The technical solution of the utility model will be clearly and completely described below in conjunction with the embodiments. Apparently, the described embodiments are part of the embodiments of the utility model, but not all of them. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", Orientation indicated by "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" etc. Or the positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be configured in a specific orientation, and operation, and therefore cannot be construed as a limitation of the utility model.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of said features. In the description of the present utility model, "plurality" means two or more, unless otherwise specifically defined. In addition, the terms "installation", "connection" and "connection" should be interpreted in a broad sense, for example, it can be fixed connection, detachable connection, or integral connection; it can be mechanical connection or electrical connection; it can be It can be directly connected, or indirectly connected through an intermediary, or it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model in specific situations.

Example 1

As shown in Figures 1 to 3, a motor terminal device includes a rectangular outer casing 1 fixed on the outside of the motor. Inside the outer casing 1, there are three static plugs 2 that are electrically connected to the motor lead wires one by one. The static plug 2 is plugged and connected with a moving plug 5 , and the moving plug 5 is connected with a power cord 6 .

The front end of the outer shell 1 is provided with an open groove, and the static plug 2 is installed at the bottom of the groove, and the three static plugs 2 are arranged in a straight line, and the distance between every two adjacent static plugs 2 Similarly, the static plug 2 includes a socket and several terminals arranged inside the socket, and the terminals are electrically connected to the terminals of the motor through wires. An external thread 202 is provided on the outside of the socket, and a chute is provided on the outside of the movable plug 5 , a nut 501 slidably connected thereto is installed in the chute, and an internal thread cooperating with the external thread 202 is provided inside the nut 501 .

The bottom end inside the static plug 2 is provided with a waterproof rubber ring, which effectively protects the inside of the static plug 2 and prevents moisture from entering. The connection between the bottom end of the outer shell 1 and the motor is also provided with a waterproof rubber ring to realize the sealing between the outer shell 1 and the motor body, prevent the entry of moisture and other sundries, and avoid corrosion of the internal wiring.

There are connection holes 1 at the corners of the bottom end of the groove, and the outer shell 1 is fixedly connected with the motor through the connection holes 1 through bolts. into the threaded hole to realize the fixed connection between the outer casing 1 and the motor.

In the groove, there is a rotating shaft 4 below the static plug 2 in the middle position. The length of the rotating shaft 4 is greater than the depth of the groove. A protective mask 3 is attached. The covering area of the protective mask 3 is the same as that of the outer casing 1, and when not in use, the protective mask 3 can well cover the outer casing 1 to avoid the entry of sundries.

The top of each static plug 2 is fixed with an annular iron sheet 201, and the side of the protective mask 3 near the outer casing 1 is provided with an annular magnet 301 corresponding to the annular iron sheet 201. After the motor is used, rotate the protective mask 3 so that Each ring magnet 301 reaches the corresponding static plug 2 , and the ring magnet 301 is attracted to the ring iron sheet 201 so that the protective mask 3 completely seals the groove on the outer casing 1 .

working principle:

During use, the protective mask 3 is pushed aside, the moving plug 5 is inserted into the corresponding static plug 2, and the nut 501 on the moving plug 5 is screwed with the external thread 202 on the static plug 2, and the moving plug 5 and the static plug 2 are screwed together. Stability when the static plug 2 is connected, the connection is more firm.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present utility model, and are not intended to limit it; although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand : It is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements to some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions depart from the various embodiments of the present invention Scope of technical solutions.

Claims (10)

1. A motor terminal device, characterized in that it includes an outer shell fixed on the outside of the motor, and inside the outer shell are three static plugs that are electrically connected to the motor lead wires one by one, and the static plugs are plugged A moving plug is connected, and a power line is connected to the moving plug. 2 . The motor terminal device according to claim 1 , wherein an open groove is provided at the front end of the outer casing, and the static plug is installed at the bottom of the groove. 3 . 3 . The motor terminal device according to claim 2 , wherein the static plug includes a socket and several connection terminals arranged inside the socket, and the connection terminals are electrically connected to the terminal of the motor. 4 . 4. The motor terminal device according to claim 1, characterized in that a waterproof rubber ring is provided at the bottom inside the static plug. 5 . The motor terminal device according to claim 1 , wherein a waterproof rubber ring is provided at the joint between the bottom end of the outer shell and the motor. 6 . 6 . The motor terminal device according to claim 1 , wherein the outer casing is a rectangular structure. 7 . 7. The motor terminal device according to claim 2, wherein connection holes are provided at the bottom corners of the grooves, and the outer casing is fixedly connected to the motor through the connection holes through the bolts . 8. The motor terminal device according to claim 2, wherein a rotating shaft is arranged below the static plug in the middle position in the groove, and the length of the rotating shaft is greater than the depth of the groove, so The end of the rotating shaft protruding from the groove is rotatably connected with a protective mask. 9. The motor terminal device according to claim 8, wherein the covering area of the protective mask is the same as the covering area of the outer casing. 10. The motor terminal device according to claim 8, characterized in that, the top end of each static plug is fixed with an annular iron piece, and a side of the protective mask close to the outer shell is provided with a The ring magnet corresponding to the ring iron sheet.

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