JP3007182U - Motor unit - Google Patents

Abstract

(57) [Summary] (Correction) [Purpose] To support a small motor for a model and electrically connect terminals of the motor and conductive wires easily. [Structure] The motor 1 is placed on the substrate 21 with the flat surface 12 on the terminal 16 side facing upward, the motor shaft 14 is projected from the window hole 23 of the fixed end plate 22, and the movable end plate 25 is attached to the substrate 21.
Bend substantially at a right angle to the cover plate 27 and the motor base 2
The engaging portion 20 and the engaging receiving portion 17 are engaged. The motor 1 is sandwiched between the fixed end plate 22 and the movable end plate 25, and the engaging portion 20 of the cover plate 27 connected to the movable end plate 25 and the engagement receiving portion 17 of the motor are engaged with each other. The motor 1 is supported by the motor base 2 without the 25 falling down. When the engagement portion 20 and the engagement receiving portion 17 are engaged with each other, the winding piece 28 covers the upper surface of the motor 1, and the winding portion 31 of the conductive wire 3 wound around the winding piece 28 makes the terminal 16 of the motor 1. Touch the pressed state.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a motor unit including a combination of a small motor used in a model car and a motor base that supports the motor and that allows the terminals of the motor and electrically conductive wires to be electrically connected easily.

[0002]

[Prior art]

 As shown in FIG. 3, a small motor (1) used in a model car or the like has a pair of terminals (16) and (16) protruding from the outside of a motor case (11), and conductive wires are soldered to the terminals. Alternatively, the end of the conductive wire is wound around the hole (16a) of the terminal to be wound and connected.

[0003]

[Problems to be solved by the device]

 In the former case, the wiring is reliable and the workability is good, but when assembling a device using a small motor as a learning material, the soldering work that involves the risk of burns is not desirable, and the latter is adopted.

However, in the latter case, the work is delicate and troublesome, and if the work is rough, the terminals (16) (16), which are small pieces of the metal thin plate, may be broken and the motor may become unusable. The present invention clarifies a motor unit that can establish electrical continuity between a motor terminal and a conductive wire simply by setting the motor on a motor base that supports the motor.

[0005]

[Means for solving the problem]

 The motor unit of the present invention comprises a small motor (1) and a synthetic resin motor base (2) that supports the motor, and the case (11) of the small motor (1) is a flat flat surface with an axis centered in between. It has the surfaces (12) and (13), the motor shaft (14) is projected from one end of the case (11), and the terminal (16) for connecting the wire is provided on one flat surface (12) of the case (11). (16) is provided. The motor base (2) has a fixed end plate (22) projecting from one end of the substrate (21) at a substantially right angle to the substrate (21) and a window hole is formed in the fixed end plate. (23) is opened, and the movable end plate (25) is connected to the other end of the substrate (21) via a thin bendable joint (24) so that the movable end plate (25) is connected to the other end of the movable end plate (25). A cover plate (27) projecting substantially perpendicular to the movable end plate, and a pair of wrapping pieces (28) (28) projecting on the cover plate (27), and both wrapping pieces ( 28) The end of the conductive wire (3) is wrapped around (28). The engaging portion (20) is detachable from either the flat surface (12) of the motor (1) or the cover plate (27) of the motor base (2), and the other is detachable from the engaging portion (20). An engagement receiving portion (17) that engages is formed.

[0006]

[Action and effect]

 Place the motor (1) on the board (21) with the flat surface (12) on the terminal (16) side facing upward, and project the motor shaft (14) from the window hole (23) of the fixed end plate (22). Bend the movable end plate (25) substantially at right angles to the substrate (21) to engage the cover plate (27) with the engaging portion (20) of the motor base (2) and the engaging receiving portion (17). To do.

The motor (1) is sandwiched between the fixed end plate (22) and the movable end plate (25), and the engagement part (of the cover plate (27) and the motor (1) connected to the movable end plate (25) ( Since the engagement receiving portion (17) is engaged with the engaging end portion (20), the movable end plate (25) does not fall down, and the motor (1) is supported by the motor base (2). When the engagement part (20) and the engagement receiving part (17) are engaged, the winding piece (28) covers the upper surface of the motor (1), and the conductive wire (3) wound around the winding piece (28). The winding part (31) of the motor contacts the terminals (16) and (16) of the motor (1) in a pressed state. Unlike the prior art, the troublesome work of winding the tip of the conductive wire (3) around the terminals (16) and (16) is not necessary, and there is no fear of breaking the terminals.

[0008]

【Example】

 As shown in FIGS. 2 and 3, the case (11) of the small motor (1) has flat plate surfaces (12) and (13) with the shaft center in between, and the motor shaft is located at the center of one end of the case (11). The boss (15) is provided at the center of the other end of the boss (14), and the engagement receiving portion (protruding in the center of the end on the boss (15) side of the one flat surface (12) of the case (11) ( 17) is provided, and the terminals (16) (16) for connecting the lead wires are provided on both sides of the engagement receiving portion (17) in a protruding manner. The terminals (16) and (16) are made of a thin metal plate, and a punching hole (16a) is opened in the center of the tip protruding portion, and the base end is guided into the case (11) and is connected to a brush (not shown). There is continuity.

The motor base (2) supporting the motor (1) is entirely formed by injection molding of synthetic resin, and has a size on which the flat surface (13) of the motor (1) is mounted as shown in FIG. A rectangular end plate (21) with a fixed end plate (22) projecting at a right angle to the base plate (21), and the motor shaft (14) of the motor (1) has a margin on the fixed end plate. There is a window hole (23) that fits in a certain condition.

A movable end plate (25) is provided at the other end of the substrate (21) so as to be capable of undulating via a thin, bendable connecting portion (24). The movable end plate (25) is formed so that its free end side is narrow, and a window hole (26) into which the boss (15) of the motor (1) is fitted is formed in the center. The height of the movable end plate (25) matches the height from the lower flat surface (13) of the motor (1) to the upper surface of the engagement receiving portion (17) of the upper flat surface (12).

A cover plate (27) is provided at the free end of the movable end plate (25) so as to be substantially orthogonal to the movable end plate, and the inner surface of the cover plate (27) has an engaging portion at the center on the tip side. (20) is provided. The engaging portion (20) is detachably engaged with the engaging receiving portion (17) of the motor (1), and the engaging edge (20a) on the movable end plate (25) side is It is at a position corresponding to the engagement receiving portion (17) of the motor (1) mounted on the board (21). A pair of winding pieces (28) and (28) are provided on both the left and right ends of the cover plate (27) so as to be close to the movable end plate (25). The winding pieces (28), (28) are located at positions corresponding to the terminals (16), (16) of the motor (1) on the substrate (21), and the retaining pieces (28c) are in contact with the tips.

Fitting pieces (29) and (29) extending along the side edges are provided at both side edges of the motor base (2) in the longitudinal direction of the substrate (21) so as to project therefrom. The end of the conductive wire (3) is wound around the winding pieces (28) (28) of the motor base (2), and the other end of the conducting wire (3) is wound around the insertion piece (4). The insert piece (4) is made of synthetic resin and has notch grooves (41) and (42) facing each other at the center of the upper and lower ends and a small hole (43) at one end. The tip of the conductive wire (3) is passed through the hole (43) and wound between the notch grooves (41) and (42).

However, the motor (1) is placed on the substrate (21) with the flat surface (12) of the terminal (16) side facing upward, and the motor shaft (14) is fixed to the window hole (23) of the fixed end plate (22). ), The movable end plate (25) is bent at a substantially right angle to the substrate (21), and the end edge (20a) of the engaging portion (20) of the cover plate (27) is attached to the motor (1). The edge of the engagement receiving portion (17) is scratched and engaged. The motor (1) is sandwiched between the fixed end plate (22) and the movable end plate (25), and the engaging portion (20) of the cover plate (27) connected to the movable end plate (25) is connected to the motor (1). Since the movable end plate (25) does not fall down because the engagement receiving portion (17) is hooked and engaged, the motor (1) is supported by the motor base (2).

When the engaging portion (20) of the cover plate (27) is engaged with the engaging receiving portion (17) of the motor (1), the winding piece (28) covers the upper surface of the motor (1), The winding part (31) of the conductive wire (3) wound around the winding piece (28) comes into contact with the terminals (16) and (16) of the motor (1) in a pressed state. Unlike the prior art, the troublesome work of winding the tip of the conductive wire (3) around the terminals (16) and (16) is not necessary, and there is no fear of breaking the terminals.

FIG. 1 shows a state in which the motor unit is attached to a model car (5). The model car (5) has a battery (7) accommodating portion (51) at the center, a motor unit mounting fitting receiving portion (80) at the rear upper surface, and a switch box (6) at the rear end. It is attached detachably. Two pairs of terminals (52) are attached to the opposite sides of the battery accommodating part (51), and each terminal has a hole (52a) for connection and an insertion piece (shown in the figure) similar to the insertion piece (4). The receiving portion (52b) into which the (without) is detachably fitted is formed.

The fitting receiving portion (80) has a rectangular upper surface with a width to which the fixed end plate (22) of the motor base (2) fits, and one side surface of the model car (5) is on the side of the hodge. It is open. Grooves (81) (81) are formed on the opposite edges of the fitting receiving portion (80) so that the fitting pieces (29) (29) of the motor base (2) can be tightly fitted therein. The switch box (6) has two terminals (61) similar to the terminal (52), and can be turned ON / OFF by switching the handle (62).

The motor base (2) supporting the motor (1) is fitted into the fitting receiving portion (80) of the model vehicle (5) from the side. Since the fitting pieces (29) and (29) of the motor base (2) are tightly fitted to the fitting receiving portion (80), the motor base (2) is simply fitted into the fitting receiving portion (80). The motor unit can be easily fixed to the model car (5). A wheel rubber (63) is stretched between the motor shaft (14) of the motor (1) and the tire wheel (64) of the model vehicle (5).

The insertion piece (4) at the tip of the conductive wire (3) is inserted into the terminals (61) (61) of the switch box (6). A terminal (61) of the switch box (6) and a terminal (52) of the battery housing (51) are connected by a conductive wire (not shown). By operating the handle (62) of the switch box (6), the motor (1) is energized and the model vehicle (5) runs.

FIG. 5 shows another usage example of the motor unit. The base plate (8) is attached to the base (9) via the leg shaft (91), the motor unit is attached to the base plate (8), and the rotary blade (() is attached to the motor shaft (14) via the attaching plate (18). 92) is detachably attached. The base plate (8) is provided with a fitting receiving portion (80) for mounting the motor base (2), and the fitting receiving portion (80) is similar to the fitting receiving portion (80) of FIG. As a result, grooves (81) and (81) are formed on the opposite edges so that the fitting pieces (29) and (29) of the motor base (2) can be closely fitted.

In carrying out the present invention, the shapes of the engaging portion (20) and the engaging receiving portion (17) are not limited to those described above, and the shapes are not limited as long as they can be detachably engaged. Various modifications are possible within the scope of the claims for utility model registration.

[Brief description of drawings]

FIG. 1 is an explanatory diagram of attachment to a model car.

FIG. 2 is an explanatory diagram for setting a motor and a motor base.

FIG. 3 is a perspective view of a motor.

FIG. 4 is a perspective view of a cover plate portion of a motor base.

FIG. 5 is a perspective view of another embodiment.

[Explanation of symbols]

 (1) Motor (11) Case (12) Flat surface (13) Flat surface (16) Terminal (17) Engagement part (2) Motor base (20) Engagement part (21) Board (22) Fixed end plate ( 25) Movable end plate

Claims (2)

[Scope of utility model registration request] 1. A small motor (1) and a synthetic resin motor base (2) for supporting the motor, wherein a case (11) of the small motor (1) is a flat surface parallel to each other with an axis centered therebetween.
(12) has a (13), a motor shaft (14) is projected from one end of the case (11), and a terminal (16) (for connecting a wire) is provided on one flat surface (12) of the case (11). 16) is provided, and the motor base (2) is
A fixed end plate (22) is provided at one end of the substrate (21) so as to project at a right angle to the substrate (21), a window hole (23) is opened in the fixed end plate, and a thin wall is provided at the other end of the substrate (21). The movable end plate (25) is movably connected to the movable end plate (25) through the bendable joint part (24), and the end portion of the movable end plate (25) is covered substantially perpendicularly to the movable end plate (27). And cover plate (27)
A pair of winding pieces (28) and (28) are projected on the
The end of the conductive wire (3) is wound around (28), and the flat surface (12) on the side of the terminal (16) faces upward on the board (21).
(1) is mounted, the motor shaft (14) is projected from the window hole (23) of the fixed end plate (22), the movable end plate (25) is bent substantially at right angles to the substrate (21), and the winding piece is wound. (28) While pressing the winding part (31) of the conductive wire (3) wound around (28) against the terminals (16) and (16) of the motor (1), the flat surface (12) of the motor (1) A motor unit in which an engagement portion (20) formed on one of the cover plates (27) of the motor base (2) is detachably engaged with an engagement receiving portion (17) formed on the other. 2. A small motor (1) and a synthetic resin motor base (2) supporting the motor, and a case (11) of the small motor (1) is a flat surface parallel to each other with an axis centered therebetween.
(12) has a (13), a motor shaft (14) is projected from one end of the case (11), and a terminal (16) (for connecting a wire) is provided on one flat surface (12) of the case (11). 16) is provided, and the motor base (2) is
A fixed end plate (22) is provided at one end of the substrate (21) so as to project at a right angle to the substrate (21), a window hole (23) is opened in the fixed end plate, and a thin wall is provided at the other end of the substrate (21). The movable end plate (25) is movably connected to the movable end plate (25) through the bendable joint part (24), and the end portion of the movable end plate (25) is covered substantially perpendicularly to the movable end plate (27). And cover plate (27)
A pair of winding pieces (28) and (28) are projected on the
The end of the conductive wire (3) is wound around (28), and the flat surface (12) on the side of the terminal (16) faces upward on the board (21).
(1) is mounted, the motor shaft (14) is projected from the window hole (23) of the fixed end plate (22), the movable end plate (25) is bent substantially at right angles to the substrate (21), and the winding piece is wound. (28) While pressing the winding part (31) of the conductive wire (3) wound around (28) against the terminals (16) and (16) of the motor (1), the flat surface (12) of the motor (1) The engaging portion (20) formed on one of the cover plates (27) of the motor base (2) is detachably engaged with the engaging receiving portion (17) formed on the other side, and the motor base ( Fitting pieces (29) and (29) are provided on both side edges of the substrate (21) of 2) along the side edges, and the fit receiving portions (80) are formed on the mating member to which the motor unit is attached. The fitting pieces (29) (29) in the groove (81) (81) opened on the opposite edge of
Motor unit that can be mounted by sliding.