CN216564878U - Vibration structure and toy - Google Patents

Abstract

The utility model discloses a vibration structure and a toy, which comprise a motion part, a fixed part and a shell part, wherein the motion part comprises a magnet, an elastic body and a connecting body, the connecting body is arranged between the magnet and the elastic body and is used for connecting the magnet and the elastic body, the fixed part comprises a coil, the coil is surrounded by the magnet, a gap is reserved between the coil and the magnet, the shell part comprises a shell and a limiting body, the shell is provided with an accommodating space for accommodating the motion part and the fixed part, the fixed part is fixedly connected with the shell, the limiting body is arranged at one end of an opening of the shell, and the elastic body is positioned between the magnet and the limiting body. The voice coil is used as the fixed part, the magnet and the elastic body are used as the moving part, the vibration feedback effect is realized, the whole magnet drives the elastic body to displace during movement, the vibration force is large, the feedback is sufficient, and the feedback effect can be increased by the force caused by the contact between the voice coil and the shell part.

Description

Vibration structure and toy

Technical Field

The utility model particularly relates to a vibration structure and a toy.

Background

Along with the development of society, the consumer also tends to the diversification to the demand of toy, and the toy that has vibration feedback effect at present receives consumer's liking degree higher, and this type of toy realizes the vibration effect by miniature vibrating motor usually, generally comprises motor and eccentric wheel, and when the motor rotated, the centre of a circle mass point of eccentric wheel was not on the center of rotation of motor for the motor is in continuous unbalance state, arouses vibrations because of inertial action.

However, the structure of the vibration motor has aftershock when in use, namely, the duration of vibration feedback can still exist due to inertia after power failure, and the vibration motor has larger power consumption, serious heat generation and potential safety hazard.

In patent document 1, there is disclosed a vertical vibrator mainly including: a housing having an inner space of a predetermined size formed therein and a step portion protruding to be stepped from an upper edge of the housing; a magnetic unit including a yoke disposed in the inner space of the case and a magnet fixed by being magnetized on a closed inner surface of the yoke in a vertical direction; an elastic member including an outer ground portion fixed to the step portion and an inner ground portion fixed to the magnetic unit; and a coil for generating vibration, disposed on a lower portion of the magnet unit, and generating an electromagnetic force by interacting with the magnet unit when power is applied to the coil.

It realizes the vibration effect through the principle of magnetic vibration, however, it is fit for being used for the screen feedback, and whole vibration volume is little, is difficult to obtain obvious vibration feedback when using in the toy, can't satisfy the demand.

Patent document 1CN 102148560B.

SUMMERY OF THE UTILITY MODEL

The utility model provides a vibration structure, a production method of the vibration structure and a toy to avoid the defects in the prior art, the vibration structure, the production method of the vibration structure and the toy can realize obvious vibration feedback under low power consumption, and the toy has no aftershock problem, small heat productivity and safe use.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a vibration structure, includes motion portion, fixed part and shell, wherein, motion portion includes magnet, elastomer and connector, and the connector setting is used for being connected magnet and elastomer between magnet and the elastomer, and the fixed part includes the coil, this coil quilt the magnet encircle and with the magnet between have the clearance, the shell includes casing and spacing body, the casing has the accommodation space who holds motion portion and fixed part, fixed part and casing fixed connection, spacing body setting are in the opening one end of casing, the elastomer is located between magnet and the spacing body.

When the coil is electrified, the magnet moves axially relative to the coil, the elastic body can deform elastically, and the magnet drives the elastic body to move axially without exceeding the limiting body.

In several embodiments, one end of the magnet is axially provided with an annular groove which does not penetrate through the magnet, and the coil penetrates into the groove; the surface of the magnet is provided with an insulating layer in an attaching mode, the connecting body has magnetism, and the connecting body sequentially penetrates into the elastic body and the magnet and locks the elastic body at the other end of the magnet.

In several embodiments, the elastic body comprises an outer ring, an inner ring and elastic strips, the outer ring surrounds the outer part of the inner ring and extends to the outer part of the magnet, a plurality of elastic strips are uniformly arranged between the inner ring and the outer ring, and the connecting body is arranged on the inner ring.

In several embodiments, the position-limiting body has a first heat-dissipating hole, the end of the housing connected to the coil has a second heat-dissipating hole, the coil is disposed around the second heat-dissipating hole, and the first heat-dissipating hole and the second heat-dissipating hole are both provided with dust-proof films.

In several embodiments, the end of the housing connected to the coil is provided with a plurality of damper blocks surrounding the coil and corresponding to the magnet.

In several embodiments, the housing includes a base plate and a cover, the coil being disposed on the base plate, and the moving portion being disposed within the cover.

In several embodiments, the housing includes a first housing and a second housing coaxially disposed, the first housing disposed between the base plate and the second housing, the second housing having a height greater than a height of the first housing, and the magnet having a height greater than a height of the first housing.

The utility model also provides a production method of the corresponding vibration structure, which comprises the following steps in sequence:

s100, fixedly installing a coil and a lug plate on two opposite sides of a bottom plate, wherein the coil is electrically connected with the lug plate, and the lug plate is communicated with an external power supply to supply power to the coil; s200, spot-coating the molten rubber on a bottom plate, and cooling to form a damping block; s300, connecting the first cover body to the bottom plate, sleeving the magnet on the coil and checking coaxiality; s400, connecting the second cover body to the first cover body, installing an elastic body on the second cover body, fixedly connecting an outer ring of the elastic body with a clamping table on the second cover body through glue, and screwing in the connecting body to fix the elastic body and the magnet; s500, connecting the limiting body to the second cover body, and checking the connection tightness of each connection part; s600, gluing and fixing the dust-proof film on the bottom plate and the limiting body so as to cover the first heat dissipation hole and the second heat dissipation hole to obtain a vibration structure; and S700, detecting the vibration effect of the vibration structure by using an external power supply, obtaining a qualified vibration structure, and packaging.

The utility model also provides a toy comprising the vibrating structure.

The utility model adopts a structure that the moving part, the fixed part and the shell part are combined, the voice coil is used as the fixed part, the magnet and the elastomer are used as the moving part, the vibration feedback effect is realized, the magnet is wholly covered on the voice coil, the whole magnet drives the elastomer to displace during the movement, the vibration force is large, the feedback is sufficient, and the feedback effect can be increased by the force brought by the contact between the magnet and the shell part.

Drawings

The drawings described herein are for illustrative purposes only of selected embodiments and not all possible implementations, and are not to be considered limiting of the scope of the present disclosure.

Fig. 1 schematically shows the overall structure of a vibrating structure in an embodiment;

FIG. 2 schematically illustrates an exploded view of the shell portion of FIG. 1 in position;

figure 3 schematically shows the planar explosive structure of figure 1;

fig. 4 schematically shows the structure of the magnet in fig. 3;

FIG. 5 schematically illustrates the structure of the elastomer of FIG. 3;

FIG. 6 schematically illustrates the structure of the housing in one embodiment;

fig. 7 schematically shows the structure of the housing in another embodiment.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be described in detail below, and the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention.

Therefore, the detailed description of the embodiments of the present invention provided below is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention, and all other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without inventive efforts shall fall within the scope of the present invention.

The terminology used herein is for the purpose of describing embodiments only and is not intended to be limiting and/or limiting of the utility model.

For example, expressions such as "in a certain direction", "along a certain direction", "parallel", "orthogonal", "center", "relative", "front-back-left-right" and the like indicate relative or absolute arrangements, and indicate not only such arrangements in a strict sense but also a state of being relatively displaced with a tolerance or an angle or a distance to the extent that the same function can be obtained.

Referring to fig. 1-3, the vibration structure provided by the utility model mainly comprises a moving part, a fixed part and a shell part, wherein the shell body accommodates the moving part and the fixed part, so that the moving part moves in the shell part in the axial direction to generate vibration.

The moving part comprises a magnet 11, an elastic body 12 and a connecting body 13, the fixed part comprises a coil 21, the shell part mainly comprises a shell 22 and a limiting body 23, therefore, when the coil 21 is electrified, the magnet 11 moves axially relative to the coil 21, the elastic part can be elastically deformed, and the magnet 11 drives the elastic body 12 to move axially without exceeding the limiting body 23.

Referring to fig. 3-4, the connecting body 13 is disposed between the magnet 11 and the elastic body 12 and is used for connecting the magnet 11 and the elastic body 12, a groove 111 which is annular and does not penetrate through the magnet 11 is axially disposed at one end of the magnet 11 and is just used for accommodating the coil 21, so that the coil 21 is inserted into the groove 111, and the coil 21 is not fixedly connected with the magnet, so that the coil 21 is surrounded by the magnet 11 and has a gap with the magnet 11 for relative movement.

And an insulating layer 112, such as a teflon layer, is attached to the surface of the magnet 11, and a plastic envelope is formed on the surface of the insulating layer, wherein the connecting body 13 has magnetism, the connecting body 13 sequentially penetrates through the elastic body 12 and the magnet 11 and locks the elastic body 12 at the other end of the magnet 11, and the connecting body 13 is only required to adopt a screw structure.

Referring to fig. 5, the elastic body 12 is integrally supported by a spring, and includes an outer ring 121, an inner ring 122 and elastic strips 123, the outer ring 121 surrounds the outer portion of the inner ring 122 and extends to the outer portion of the magnet 11, the elastic strips 123 are uniformly disposed between the inner ring 122 and the outer ring 121, the connecting body 13 is disposed on the inner ring 122, holes for the connecting body to penetrate through are disposed on the inner ring, the elastic strips are distributed between the outer ring and the inner ring in a circular array manner, the number of the elastic strips is two, for example, 4, 6, 8, etc., the shape of the elastic body is a curved structure, so as to improve the force-bearing effect, for example, the elastic body is an S-shaped structure, and certainly, the elastic body may be a W-shaped structure, an L-shaped structure, etc.

The housing 22 has a receiving space 220 for receiving the moving part and a fixing part, the shape of the receiving space is the same as the shape of the magnet, if the magnet is cylindrical, the receiving space is also cylindrical, the housing as a whole can be cylindrical or polygonal-prism-shaped, the fixing part is fixedly connected with the housing 22, the stopper 23 is arranged at one open end of the housing 22, and the elastic body 12 is located between the magnet 11 and the stopper 23,

referring to fig. 2, a first heat dissipation hole 231 is formed in the circle center position of the limiting body 23, a second heat dissipation hole 222 is formed in the circle center position of one end, connected with the coil 21, of the shell 22, the coil 21 is arranged outside the second heat dissipation hole 222 in a surrounding mode, the first heat dissipation hole 231 and the second heat dissipation hole 222 are both provided with a dust blocking film 41, the dust blocking film is made of non-woven fabrics, ventilation and dust prevention are achieved, the diameter of the first heat dissipation hole is larger than that of the second heat dissipation hole, the heat dissipation process on one side of the elastic body is facilitated, certain impact sound is convenient to emit, and a better feedback effect is achieved.

And, the end of the shell 22 connected with the coil 21 is provided with a plurality of shock absorption blocks 31, the shock absorption blocks 31 surround the coil 21 and correspond to the magnet 11, the number of the shock absorption blocks is 3-4, the shock absorption blocks uniformly surround the coil, the shock absorption blocks 31 are made of elastic rubber materials and are used for contacting with the end face of the magnet in the movement process, the impact on the shell can be reduced, and the service life is prolonged.

Referring to fig. 6, the housing 22 includes a bottom plate 201 and a cover 202, and the cover 202 is an integral structure, for example, a straight cylinder, the coil 21 is disposed on the bottom plate 201, and the moving portion is disposed in the cover 202.

Referring to fig. 7, different from fig. 6, the outer cover 202 in this embodiment includes a first cover 2021 and a second cover 2022 which are coaxially disposed, and the first cover 2021 and the second cover 2022 are spliced together, where the first cover 2021 is disposed between the bottom plate 201 and the second cover 2022, the height of the second cover 2022 is greater than the height of the first cover 2021, and the height of the magnet 11 is greater than the height of the first cover 2021.

The method of producing the present vibrating structure is described in detail below according to specific embodiments.

Example 1

The shell in the production method adopts the structure of fig. 6, and the main processes comprise: s100, fixedly installing a coil 21 and a lug plate on two opposite sides of a bottom plate 201, wherein the coil 21 is electrically connected with the lug plate, and the lug plate is communicated with an external power supply to supply power to the coil 21; s200, spot-coating the molten rubber on the bottom plate 201, and cooling to form the damping block 31; s300, sleeving the magnet 11 on the coil 21 and checking coaxiality; s400, connecting the outer cover 202 with the bottom plate 201, installing the elastic body 12 in the outer cover 202, fixedly connecting an outer ring 121 of the elastic body 12 with a clamping table 221 on the outer cover 202 through glue, and screwing the connecting body 13 to fix the elastic body 12 and the magnet 11; s500, connecting the limiting body 23 to the outer cover 202, and checking the connection tightness of each connection part; s600, gluing and fixing the dust-proof film 41 on the bottom plate 201 and the limiting body 23 to cover the first heat dissipation hole 231 and the second heat dissipation hole 222 to obtain a vibration structure; and S700, detecting the vibration effect of the vibration structure by using an external power supply, obtaining a qualified vibration structure, and packaging.

Example 2

The shell in the production method adopts the structure of fig. 7, and the main processes comprise: s100, fixedly installing a coil 21 and a lug plate on two opposite sides of a bottom plate 201, wherein the coil 21 is electrically connected with the lug plate, and the lug plate is communicated with an external power supply to supply power to the coil 21; s200, spot-coating the molten rubber on the bottom plate 201, and cooling to form the damping block 31; s300, connecting the first cover 2021 to the bottom plate 201, sleeving the magnet 11 on the coil 21, and checking coaxiality; s400, connecting the second cover body 2022 to the first cover body 2021, installing the elastic body 12 on the second cover body 2022, fixedly connecting the outer ring 121 of the elastic body 12 with the clamping table 221 on the second cover body 2022 through glue, and screwing the connecting body 13 to fix the elastic body 12 and the magnet 11; s500, connecting the limiting body 23 to the second cover body 2022, and checking the connection tightness of each connection part; s600, gluing and fixing the dust-proof film 41 on the bottom plate 201 and the limiting body 23 to cover the first heat dissipation hole 231 and the second heat dissipation hole 222 to obtain a vibration structure; and S700, detecting the vibration effect of the vibration structure by using an external power supply, obtaining a qualified vibration structure, and packaging.

In this embodiment, through the split structure of the first cover body and the second cover body, the inside can be observed conveniently during each step of installation, and the coil and the magnet can be connected stably and accurately.

In embodiments 1 and 2, the connection between the shells is fixed by glue or ultrasonic welding.

It should be noted that the toy products with the vibrating structure also belong to the protection scope of the present invention.

The present invention describes preferred embodiments, including the best mode known to the inventors for carrying out the utility model. Of course, variations of these preferred embodiments will be apparent to those skilled in the art. The inventors expect skilled artisans to employ such variations as appropriate, and the inventors intend for the utility model to be practiced otherwise than as specifically described herein. Accordingly, this invention includes all modifications encompassed within the spirit and scope of the utility model as defined by the claims. Moreover, any and all possible variations of the above-described elements are encompassed by the present invention unless otherwise indicated herein or otherwise clearly contradicted by context.

Claims (9)

1. A vibrating structure, comprising:

a motion section comprising:

a magnet;

an elastomer; and

a connector disposed between the magnet and the elastic body and connecting the magnet and the elastic body;

a fixed portion comprising:

a coil surrounded by the magnet with a gap therebetween;

a shell portion, comprising:

the device comprises a shell, a first fixing part and a second fixing part, wherein the shell is provided with an accommodating space for accommodating a moving part and a fixing part, and the fixing part is fixedly connected with the shell;

the limiting body is arranged at one end of the opening of the shell, and the elastic body is positioned between the magnet and the limiting body;

when the coil is electrified, the magnet moves axially relative to the coil, the elastic body can deform elastically, and the magnet drives the elastic body to move axially without exceeding the limiting body.

2. A vibrating structure according to claim 1, wherein a recess having a ring shape and not penetrating the magnet is provided axially at one end of the magnet, and the coil is inserted into the recess; the surface of the magnet is provided with an insulating layer in an attaching mode, the connecting body has magnetism, and the connecting body sequentially penetrates into the elastic body and the magnet and locks the elastic body at the other end of the magnet.

3. A vibrating structure according to claim 2, wherein the elastic body includes an outer ring, an inner ring, and elastic strips, the outer ring surrounds the outside of the inner ring and extends to the outside of the magnet, a plurality of the elastic strips are uniformly arranged between the inner ring and the outer ring, and the connecting body is arranged on the inner ring.

4. A vibrating structure according to claim 3, wherein a ring of engaging seats is provided around the inner wall of the open end of the housing, the position-limiting body corresponds to the engaging seats, and the outer ring is provided between the engaging seats and the position-limiting body and cannot pass through the position-limiting body and/or the engaging seats.

5. A vibration structure according to claim 4, wherein the first heat dissipation hole is formed on the position-limiting body, the second heat dissipation hole is formed at the end of the housing connected to the coil, the coil is disposed around the second heat dissipation hole, and the first heat dissipation hole and the second heat dissipation hole are both provided with dust-proof films.

6. A vibrating structure according to claim 5, wherein a plurality of damper blocks are provided at the end of the housing connected to the coil, the damper blocks surrounding the coil and corresponding to the magnet.

7. A vibrating structure according to claim 6, wherein the housing includes a base plate and a cover, the coil being disposed on the base plate, and the moving portion being disposed in the cover.

8. The vibrating structure of claim 7, wherein the enclosure comprises a first enclosure and a second enclosure coaxially disposed, the first enclosure being disposed between the base and the second enclosure, the second enclosure having a height greater than a height of the first enclosure, and the magnet having a height greater than a height of the first enclosure.

9. A toy comprising a vibrating structure as claimed in any one of claims 1 to 8.

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