CN201898426U

CN201898426U - Spring motor

Info

Publication number: CN201898426U
Application number: CN200920261847XU
Authority: CN
Inventors: 罗明
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-12-25
Filing date: 2009-12-25
Publication date: 2011-07-13
Anticipated expiration: 2019-12-25

Abstract

The utility model discloses a motor provided with a spring on a motor rotation shaft. The motor spring comprises a motor and the spring. The motor can be a direct current motor, a pulse motor or an alternating current motor and the like, wherein the motor rotation shaft is in the form of rotary motion; and the motor can also be a brush motor or a brushless motor. The spring has a torsion function, one end of the spring is fixed on the motor rotation shaft, and the other end of the spring is fixed on a shell body of the motor. In the implementation of the motor with the spring, compared with the prior art and the like products, the structure is simple, the production process is simplified, and the efficiency is high. The spring motor is applied to the structural design of the traditional reciprocating swing type product, and a complex machinery conversion system is not needed, therefore, the whole device can achieve the effects that the structure is simple, the volume is small, the assembly is convenient, and the cost is low.

Description

Spring motor

Technical field

The present invention relates to motor, more particularly, relate to the motor that spring is housed on a kind of machine shaft.

Background technology

The rotating shaft direction of motion of most of conventional motors all is unidirectional, if realize the left and right sides reciprocating motion of rotating shaft, will add mechanical converting means usually, or adopts stepping motor to control, but does like this, complex structure often, and volume is big, the cost height.

Summary of the invention

The technical problem to be solved in the present invention is, provides a kind of simple in structure, and volume is little, and lower-cost motor adopts this novel motor, can simplify the structural design of some product.

Technical problem of the present invention is to solve like this, constructs a kind of spring motor, comprises motor and spring.Described motor is that rotating shaft is the motor of the form that rotatablely moves, as direct current machine, pulse motor or alternating current machine etc., it promptly can be brush motor, it also can be brushless electric machine, described spring is the spring with torsion function, and the one end is fixed in the rotating shaft of motor, and the other end is fixed on the housing of motor.

Enforcement is according to spring motor provided by the invention, compare with prior art and like product, have following characteristics: simple in structure, because spring is directly to be fixed in the rotating shaft of motor, and on the housing of motor, so that the overall structure of spring motor becomes is very simple and compact, simultaneously, the production process of this motor, the simplification that also becomes, production efficiency is improved.This spring motor is used for the structural design of traditional reciprocating product, does not need the complicated mechanical transformation system, thereby whole device can accomplish that mechanical structure is simple that volume is little, and is easy to assembly.

Description of drawings

Fig. 1, Fig. 2 are the structural representations of a spring motor provided by the invention.(spring is fixed on the outside situation of motor)

Fig. 3-Fig. 7 is the structural representation of another spring motor provided by the invention. (spring is fixed on the inside of motor)

Embodiment

As Fig. 1-shown in Figure 7, the structure of spring motor is formed and is comprised: the rotating shaft 3 of electric machine casing 1, torque spring 2, motor, the binding post 4 of motor, motor stator core 5, rotor permanent magnet 6, one end of stator winding 7. torque springs 2 is fixed in the rotating shaft 3 of motor, and the other end is fixed on the housing of motor 1.Specifically, if an end of spring 2 is fixed in the rotating shaft of motor outside, the other end then is fixed on the housing of motor 1 outside (as depicted in figs. 1 and 2); If an end of spring 2 is fixed in the rotating shaft of motor internal, the other end then is fixed on the housing of motor internal (as Fig. 3 and shown in Figure 5); And the relative position of spring 2 and motor 1 both can be the front end that is fixed on electric machine casing, also can be the rear end that is fixed on electric machine casing.For the concrete material of spring, shape and structure are as long as it has the effect of torsion function, all at the row of consideration of the present invention and utilization.The course of work of spring motor is summarized as follows: for direct current machine, in connecting terminal of motor 4 and rotor winding (or stator winding), feed voltage, frequency, when the duty ratio size is the direct current pulse power source of certain value, during pulse high level, winding gets, according to electromagnetic induction principle, rotating shaft is started by static state, rotates an angle (its direction is by the decision of external voltage polarity), machine torque output is arranged on the axle, and the spring that is fixed on simultaneously on rotating shaft and the motor is subjected to torsion; During pulses low, the winding dead electricity, rotating shaft is returned to initial state under the effect of spring force, and the direction of motion of rotating shaft is opposite with when starting, and so far, reciprocal swing output is finished once in the rotating shaft of spring motor.When the pulse power continues to add fashionable, will continue to realize the reciprocating type output of machine torque on the axle.Therefore, during spring motor work, its output is to be the reciprocally swinging that axis makes to have the certain angle scope with the rotating shaft.As an application example, common staight shank head toothbrushes can be fixed in the rotating shaft of this motor, when motor fed the pulse power, head toothbrushes can have the reciprocating motion of certain pendulum angle, realized the effect of electric tooth brushing.

Claims

1. a spring motor is characterized in that, comprises motor and spring, and described motor is that rotating shaft is the motor of the form that rotatablely moves, and promptly can be brush motor, also can be brushless electric machine; Described spring is the spring with torsion function, and the one end is fixed in the rotating shaft of motor, and the other end is fixed on the housing of motor.