CN213717825U

CN213717825U - Linear voice coil actuator and massage instrument

Info

Publication number: CN213717825U
Application number: CN202022714225.7U
Authority: CN
Inventors: 戚付生; 刘杰; 冯涛; 胡凯
Original assignee: Guangdong Shiqi Manufacturing Co ltd
Current assignee: Guangdong Shiqi Manufacturing Co ltd
Priority date: 2020-11-19
Filing date: 2020-11-19
Publication date: 2021-07-16
Anticipated expiration: 2030-11-19

Abstract

The utility model discloses a linear voice coil actuator, which comprises a coil framework, a magnet and a coil arranged on the coil framework, wherein the coil framework is provided with a through hole, and the magnet is accommodated in the through hole; the linear voice coil actuator further includes a planar elastic member provided at one axial end of the through hole. When the magnetic field buffering device is used, under the action of alternating current, the coil generates an alternating magnetic field, so that the magnet can move in the through hole in a reciprocating mode, the magnet is buffered and limited through the planar elastic piece, and noise generated by the magnet due to the reciprocating movement can be greatly reduced. The utility model also discloses a massage appearance, the massage appearance including massage head with linear voice coil loudspeaker voice coil actuator, plane elastic component or the magnet with the massage head is connected.

Description

Linear voice coil actuator and massage instrument

Technical Field

The utility model relates to an actuator technical field especially relates to linear voice coil actuator and massage appearance.

Background

A voice coil motor, also called a voice coil actuator, is a device that converts electrical energy into mechanical energy and realizes linear and limited swing angle motion. The linear type mainly utilizes an alternating magnetic field generated by an electrified coil to drive a permanent magnet to perform reciprocating linear motion so as to realize reciprocating vibration.

At present, the voice coil motor is mostly applied to the aspects of auto-focusing of a mobile phone camera, an industrial vibrator and the like, and along with the development of the technology, the voice coil motor is also gradually applied to the fields of a massager and the like, but because the vibration frequency of a permanent magnet of the voice coil motor and the noise generated by impact during vibration are large, bad massage experience is brought to users, and the like.

SUMMERY OF THE UTILITY MODEL

In order to overcome the deficiencies of the prior art, it is an object of the present invention to provide a linear voice coil actuator that reduces noise to improve user experience.

The second purpose of the utility model is to provide a massage instrument.

The utility model discloses an one of the purpose adopts following technical scheme to realize:

the linear voice coil actuator comprises a coil framework, a magnet and a coil arranged on the coil framework, wherein the coil framework is provided with a through hole, and the magnet is accommodated in the through hole; the linear voice coil actuator further comprises a plane elastic piece, the plane elastic piece is arranged at one axial end of the through hole, and the plane elastic piece is used for limiting and buffering the magnet.

Furthermore, the coil skeleton is provided with a groove on the side wall of the coil skeleton, the groove is recessed from outside to inside along the radial direction of the through hole and extends around the circumference of the through hole until an annular structure is formed, and the coil is wound in the groove.

Furthermore, the coil framework is connected with an elastic sleeve, and the elastic sleeve and the plane elastic piece are oppositely arranged at two ends of the through hole.

Further, the elastic sleeve is a silica gel sleeve.

Furthermore, the number of the plane elastic pieces is two, and the two plane elastic pieces are respectively arranged at two axial ends of the through hole.

The second purpose of the utility model is realized by adopting the following technical scheme:

the massage instrument comprises a massage head and the linear voice coil actuator, wherein the planar elastic piece or the magnet is connected with the massage head.

Furthermore, the end part of the massage head is connected with an installation seat, the installation seat is provided with an installation groove, and the end part of the massage head is matched with the installation groove; the mounting seat is fixedly connected with the plane elastic piece or the magnet through screws.

Furthermore, the massage instrument further comprises a casing, the casing is provided with a cavity, the linear voice coil actuator is accommodated in the cavity, and the massage head extends out of the casing from the cavity.

Further, the plane elastic piece is a flat spring.

Further, the planar elastic member is a planar spiral spring.

Compared with the prior art, the beneficial effects of the utility model reside in that:

when the magnetic field buffering device is used, under the action of alternating current, the coil generates an alternating magnetic field, so that the magnet can move in the through hole in a reciprocating manner, and the planar elastic piece is used for buffering and limiting the magnet, so that the noise generated by the magnet due to the reciprocating movement can be greatly reduced; and, the both ends of through-hole can all realize the massage this moment.

Drawings

Fig. 1 is a schematic structural diagram of a linear voice coil actuator according to a first embodiment of the present invention;

fig. 2 is a schematic structural diagram of a linear voice coil actuator according to a second embodiment of the present invention;

fig. 3 is a schematic structural view of a massage apparatus according to a third embodiment of the present invention;

fig. 4 is a schematic structural view of a massage apparatus according to a fourth embodiment of the present invention;

fig. 5 is a schematic structural view of a massage apparatus according to a fifth embodiment of the present invention;

fig. 6 is a schematic structural view of a massage apparatus according to a sixth embodiment of the present invention;

fig. 7 is a schematic structural view of a massage apparatus according to a seventh embodiment of the present invention;

fig. 8 is a schematic structural view of a massage apparatus according to an eighth embodiment of the present invention.

In the figure: 1. a coil bobbin; 2. a magnet; 3. a coil; 4. a through hole; 5. a planar elastic member; 6. a groove; 7. an elastic sleeve; 8. a massage head; 9. a mounting seat; 10. mounting grooves; 11. a screw; 12. a housing; 13. a cavity.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. As used herein, "vertical," "horizontal," "left," "right," and similar expressions are for purposes of illustration only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The first embodiment:

fig. 1 shows a linear voice coil actuator according to a first embodiment of the present invention, which includes a bobbin 1, a magnet 2, and a coil 3 mounted to the bobbin 1. The coil framework 1 is provided with a through hole 4, and the magnet 2 is accommodated in the through hole 4. The linear voice coil actuator further comprises a planar elastic member 5, the planar elastic member 5 is arranged at one axial end of the through hole 4, and the planar elastic member 5 is used for limiting and buffering the magnet 2.

When the magnetic field buffering device is used, under the action of alternating current, the coil 3 generates an alternating magnetic field, so that the magnet 2 (a permanent magnet or a soft magnet) moves in a reciprocating mode in the through hole 4, the magnet 2 is buffered and limited through the plane elastic piece 5, and noise generated by the magnet 2 due to the reciprocating movement can be greatly reduced.

As a further preferred embodiment: coil skeleton 1 has seted up recess 6 at its self lateral wall, and recess 6 is sunken along the radial outside-in of through-hole 4 to encircle the circumference of through-hole 4 and extend until forming ring structure, coil 3 encircles in recess 6. The coil 3 is mounted through the groove 6, so that the mounting stability of the coil 3 can be improved.

As a further preferred embodiment: the coil framework 1 is connected with an elastic sleeve 7, and the elastic sleeve 7 and the plane elastic piece 5 are oppositely arranged at two ends of the through hole 4. Thus, the elastic sleeve 7 can limit the position of the magnet 2, and the elastic sleeve 7 has a certain massage function under the condition that the magnet 2 reciprocates to collide with the elastic sleeve 7. Preferably, the elastic sleeve 7 is a silicone sleeve, and it is understood that the elastic sleeve 7 may be made of other materials with elasticity, such as plastic, etc.

Further, the planar elastic member 5 is a flat spring, and more preferably a flat spiral spring. It will be appreciated that the planar resilient member 5 may be replaced by a planar rubber skin, a metal sheet, a planar plastic member, or the like.

Second embodiment:

fig. 2 shows a linear voice coil actuator according to a second embodiment of the present invention, which discloses a linear voice coil actuator including the first embodiment, and which is different from the first embodiment in that: two planar elastic members 5 are provided, and the two planar elastic members 5 are provided at both axial ends of the through hole 4, respectively. At this time, the present embodiment does not require the provision of the elastic sheath 7, as compared with the first embodiment.

The third embodiment:

fig. 3 shows a massage apparatus according to a third embodiment of the present invention, which includes a massage head 8 and the linear voice coil actuator of the first embodiment (but without the elastic sleeve 7), wherein the massage head 8 is fixedly connected to the magnet 2 and follows the magnet 2 to perform a reciprocating movement, thereby implementing a massage function.

As a further preferred embodiment: the end part of the massage head 8 is connected with an installation seat 9, the installation seat 9 is provided with an installation groove 10, and the end part of the massage head 8 is matched with the installation groove 10; the mounting seat 9 is fixedly connected with the magnet 2 through a screw 11.

The fourth embodiment:

fig. 4 shows a massage apparatus according to a fourth embodiment of the present invention, which discloses a massage apparatus including a third embodiment, and differs from the third embodiment in that: the massage apparatus further comprises a housing 12, the housing 12 has a cavity 13, the linear voice coil actuator is accommodated in the cavity 13, and the massage head 8 extends out of the housing 12 from the cavity 13.

Fifth embodiment:

fig. 5 shows a massage apparatus according to a fifth embodiment of the present invention, which includes a massage head 8 and the linear voice coil actuator of the first embodiment, wherein the massage head 8 is fixedly connected to the planar elastic member 5, and the massage head 8 vibrates along with the planar elastic member 5 based on the vibration of the planar elastic member 5 caused by the impact of the magnet 2, and the vibration mode is more gentle. At this time, the elastic sleeve 7 of the linear voice coil actuator is also vibrated by the impact of the magnet 2, and thus has a massage function; thus, both ends of the through hole 4 have a massage function at the same time, so that when a human hand holds the massage apparatus to use the massage apparatus, the palm can also be massaged.

As a further preferred embodiment: the end part of the massage head 8 is connected with an installation seat 9, the installation seat 9 is provided with an installation groove 10, and the end part of the massage head 8 is matched with the installation groove 10; the mounting seat 9 is fixedly connected with the plane elastic piece 5 through a screw 11.

Sixth embodiment:

fig. 6 shows a massage machine according to a sixth embodiment of the present invention, which discloses a massage machine including a fifth embodiment, and differs from the fifth embodiment in that: the massage apparatus further comprises a housing 12, the housing 12 has a cavity 13, the linear voice coil actuator is accommodated in the cavity 13, and the massage head 8 extends out of the housing 12 from the cavity 13.

Seventh embodiment:

fig. 7 shows a massage apparatus according to a seventh embodiment of the present invention, which includes a massage head 8 and a linear voice coil actuator according to the second embodiment, wherein the massage head 8 is fixedly connected to one of the planar elastic members 5, and the massage head 8 vibrates along with the planar elastic member 5 based on the vibration of the planar elastic member 5 caused by the impact of the magnet 2, and the vibration mode is more gentle. And, two plane elastic component 5 all receive the impact of massage head 8 this moment for the both ends of through-hole 4 have the massage function simultaneously, make the people's hand hold the massage appearance in order to use when the massage appearance, the palm also can be massaged.

Eighth embodiment:

fig. 8 shows a massage machine according to an eighth embodiment of the present invention, which discloses a massage machine including a seventh embodiment, which is different from the seventh embodiment in that: the massage apparatus further comprises a housing 12, the housing 12 has a cavity 13, the linear voice coil actuator is accommodated in the cavity 13, and the massage head 8 extends out of the housing 12 from the cavity 13.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. Linear voice coil actuator, including coil skeleton, magnet and install in the coil of coil skeleton, its characterized in that: the coil framework is provided with a through hole, and the magnet is accommodated in the through hole; the linear voice coil actuator further comprises a plane elastic piece, the plane elastic piece is arranged at one axial end of the through hole, and the plane elastic piece is used for limiting and buffering the magnet.

2. The linear voice coil actuator of claim 1, wherein: the coil framework is provided with a groove on the side wall of the coil framework, the groove is recessed from outside to inside along the radial direction of the through hole and extends around the circumferential direction of the through hole until an annular structure is formed, and the coil is surrounded in the groove.

3. The linear voice coil actuator of claim 1, wherein: the coil framework is connected with an elastic sleeve, and the elastic sleeve and the plane elastic piece are oppositely arranged at two ends of the through hole.

4. The linear voice coil actuator of claim 3, wherein: the elastic sleeve is a silica gel sleeve.

5. The linear voice coil actuator of claim 1, wherein: the two planar elastic pieces are respectively arranged at two axial ends of the through hole.

6. The massage instrument is characterized in that: comprising a massaging head and a linear voice coil actuator according to any of claims 1 to 5, said planar spring or said magnet being connected to said massaging head.

7. The massage apparatus as recited in claim 6, wherein: the end part of the massage head is connected with an installation seat, the installation seat is provided with an installation groove, and the end part of the massage head is matched with the installation groove; the mounting seat is fixedly connected with the plane elastic piece or the magnet through screws.

8. The massage apparatus as recited in claim 6, wherein: the massager also comprises a shell, wherein the shell is provided with a cavity, the linear voice coil actuator is contained in the cavity, and the massage head extends out of the shell from the cavity.

9. The massage apparatus as recited in claim 6, wherein: the plane elastic piece is a flat spring.

10. The massage apparatus as recited in claim 9, wherein: the planar elastic element is a planar spiral spring.