CN211046720U - Single-coil linear reciprocating motion device - Google Patents
Single-coil linear reciprocating motion device Download PDFInfo
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- CN211046720U CN211046720U CN201920911295.6U CN201920911295U CN211046720U CN 211046720 U CN211046720 U CN 211046720U CN 201920911295 U CN201920911295 U CN 201920911295U CN 211046720 U CN211046720 U CN 211046720U
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- reciprocating motion
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Abstract
The utility model discloses a single coil straight reciprocating motion device, including mount, power and executive component, be equipped with the slide in the mount, executive component includes the cylindricality magnet, and the cylindricality magnet is located in the slide, on the mount and around the slide winding have the coil, the coil is connected with the power, the mount is the insulator. The utility model discloses simple structure, design benefit, stable performance, noise are little, long service life, and the motion effect is obviously superior to the actuating mechanism of traditional massage appearance.
Description
Technical Field
The utility model belongs to the technical field of medical care apparatus and instruments and specifically relates to a single coil straight reciprocating motion device is related to.
Background
With the pace of life and work accelerated, various diseases affect the body of people. The user often keeps a posture still when the user stays on a desk for a long time or drives frequently, so that muscle tension, unsmooth circulation of qi and blood of channels and collaterals and the like are easy to occur on the back and the neck. The back acupuncture points of the human body are massaged at fixed points, so that good prevention and treatment effects can be achieved.
The massage instrument is widely used for various parts and organs of a human body, the existing massage instrument comprises a driving mechanism and an executing mechanism, the driving mechanism adopts a motor and a gear, the executing mechanism adopts a simple crank connecting rod structure, the motor drives the gear to run, and then the gear drives the crank connecting rod to do periodic linear motion, so that the massage is realized. However, in the moving process of the connecting rod, the generated noise is large, the transmission efficiency is low, and the moving speed of the connecting rod is controlled by the motor.
To this end, those skilled in the art have developed improvements to the drive mechanisms of existing massage machines.
Disclosure of Invention
The utility model aims to solve the technical problem that a single-coil linear reciprocating motion device is provided, which is to be applied to a massage apparatus.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: the single-coil linear reciprocating motion device comprises a fixing frame, a power supply and an execution assembly, wherein a slide way is arranged in the fixing frame, the execution assembly comprises a cylindrical magnet, the cylindrical magnet is arranged in the slide way, a coil is wound on the fixing frame and surrounds the slide way, the coil is connected with the power supply, and the fixing frame is an insulator.
The utility model discloses further preferred scheme: the executing assembly comprises a connecting rod, and the connecting rod is connected with the cylindrical magnet. The connecting rod is used for connecting the massage head.
The utility model discloses further preferred scheme: the slide be cylinder cavity structure, the cylindricality magnet be cylindricality and suit with the slide.
Compared with the prior art, the utility model has the advantages of simple structure, design benefit, stable performance, low noise, long service life and motion effect which is obviously superior to the driving mechanism of the traditional massage instrument.
The device adopts the magnetic effect principle of current, and the coil is electrified by the power supply to generate a magnetic field, so that two ends of the coil can respectively attract the cylindrical magnet; furthermore, the magnetic field pole (N/S pole) of the electrified coil is changed by changing the current direction of the electrified coil (namely switching the positive pole and the negative pole of the power supply), so that the cylindrical magnet can move up and down; further, the movement period of the cylindrical magnet is controlled by adjusting the switching frequency of the anode and the cathode of the power supply.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a first diagram of the coil when the cylindrical magnet moves upward;
FIG. 3 is a first diagram of the coil when the cylindrical magnet moves down;
FIG. 4 is a second diagram of the coil when the cylindrical magnet moves upward;
fig. 5 is a second diagram of the coil when the cylindrical magnet moves downwards.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
As shown in fig. 1: the single-coil linear reciprocating motion device comprises a fixing frame 1, a power supply and an execution assembly, wherein a slide rail 11 is arranged in the fixing frame 1, the execution assembly comprises a cylindrical magnet 2, the cylindrical magnet 2 is arranged in the slide rail 11, a coil 3 is wound on the fixing frame 1 and surrounds the slide rail 11, the coil 3 is connected with the power supply, and the fixing frame 1 is an insulator.
The actuating assembly comprises a connecting rod 4, and the connecting rod 4 is connected with the cylindrical magnet 2.
The slideway 11 is a cylindrical cavity structure, and the cylindrical magnet 2 is cylindrical and is adapted to the slideway 11.
The device adopts the magnetic effect principle of current, and the coil 3 is electrified by the power supply to generate a magnetic field by the coil 3, so that two ends of the coil 3 can respectively attract the cylindrical magnet 2; further, by changing the current direction of the electrified coil 3 (i.e. switching the positive and negative poles of the power supply), the magnetic field pole (N/S pole) of the electrified coil 3 is changed, so that the cylindrical magnet 2 can move up and down; further, the movement period of the cylindrical magnet 2 is controlled by adjusting the switching frequency of the positive electrode and the negative electrode of the power supply. The switching frequency of the anode and the cathode of the power supply can be controlled and realized by a control circuit or a control chip (a chip with a programmed control program). Wherein, in the cylindrical magnet 2 reciprocating motion in-process, the gravity of executive component can be overcome to the magnetic field force that electrified coil 3 produced, and in the change electrified coil 3 current direction in-process, the electric current size of electrified coil 3 is unchangeable.
When the upper end of the cylindrical magnet 2 is N-level, the lower end of the cylindrical magnet 2 is S-level, and the cylindrical magnet 2 moves downward, the winding direction and current direction of the coil 3 are as shown in fig. 2, correspondingly, the coil 3 is wound downward in this direction (counterclockwise spiral direction), and the current direction of the coil 3 is as shown in fig. 3 when the cylindrical magnet 2 moves upward;
when the cylindrical magnet 2 moves downward with the upper end of the cylindrical magnet 2 in the N-stage and the lower end of the cylindrical magnet 2 in the S-stage, the winding direction of the coil 3 and the current direction are as shown in fig. 4, and accordingly, when the coil 3 is wound in this direction (clockwise spiral direction), and the cylindrical magnet 2 moves upward, the current direction of the coil 3 is as shown in fig. 5.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (1)
1. The single-coil linear reciprocating motion device is characterized by comprising a fixed frame, a power supply and an execution assembly, wherein a slide way is arranged in the fixed frame, the execution assembly comprises a cylindrical magnet, the cylindrical magnet is arranged in the slide way, a coil is wound on the fixed frame and surrounds the slide way, the coil is connected with the power supply, and the fixed frame is an insulator; the executing component comprises a connecting rod, and the connecting rod is connected with the cylindrical magnet; the slide be cylinder cavity structure, the cylindricality magnet be cylindricality and suit with the slide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920911295.6U CN211046720U (en) | 2019-06-17 | 2019-06-17 | Single-coil linear reciprocating motion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920911295.6U CN211046720U (en) | 2019-06-17 | 2019-06-17 | Single-coil linear reciprocating motion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211046720U true CN211046720U (en) | 2020-07-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920911295.6U Active CN211046720U (en) | 2019-06-17 | 2019-06-17 | Single-coil linear reciprocating motion device |
Country Status (1)
| Country | Link |
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| CN (1) | CN211046720U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115121390A (en) * | 2022-07-06 | 2022-09-30 | 中国计量大学 | Directional smell release device inducing dreaming through olfaction |
-
2019
- 2019-06-17 CN CN201920911295.6U patent/CN211046720U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115121390A (en) * | 2022-07-06 | 2022-09-30 | 中国计量大学 | Directional smell release device inducing dreaming through olfaction |
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