阅读说明：本技术 双向振动元件 (Bidirectional vibration element ) 是由 曾明军 吕剑 施枭 王腾锋 许四杰 于 2019-09-29 设计创作，主要内容包括：本发明是有关一种双向振动元件,包括：一对支撑件；一下弹性件,具有两对细长型下弹性臂而跨设于该对支撑架底部；一磁回组件,结合于该下弹性件顶面且具有磁间隙；一上弹性件,具有两对细长型上弹性臂跨设于该对支撑件顶部；以及一线圈组,结合于该上弹性件且具有一对引线,而令该线圈组位于该磁间隙内。借此,用以解决先前技术无法产生较大振动能量的问题,而具有产生较大振动能量的功效。(The invention relates to a bidirectional vibration element, comprising: a pair of support members; a lower elastic piece which is provided with two pairs of slender lower elastic arms and is spanned at the bottoms of the pair of supporting frames; a magnetic return component which is combined with the top surface of the lower elastic component and is provided with a magnetic gap; the upper elastic piece is provided with two pairs of slender upper elastic arms which are arranged on the tops of the pair of supporting pieces in a spanning manner; and a coil assembly, which is combined with the upper elastic piece and is provided with a pair of leads so that the coil assembly is positioned in the magnetic gap. Therefore, the problem that the prior art cannot generate larger vibration energy is solved, and the effect of generating larger vibration energy is achieved.)

1. A bi-directional vibratory element, comprising:

a pair of support members;

the lower elastic piece is in a shape of being long in the transverse direction and short in the longitudinal direction and is provided with a lower suspension part, the longitudinal edge of the lower suspension part transversely extends outwards and is provided with at least one lower elastic arm, and the outer end of each lower elastic arm is combined with the bottom of the pair of support frames;

a magnetic return component which is combined with the top surface of the lower elastic component and is provided with a magnetic gap;

the upper elastic piece is in a shape of being long in the transverse direction and short in the longitudinal direction and is provided with an upper suspension part, the longitudinal edge of the upper suspension part extends outwards in the transverse direction and is provided with at least one upper elastic arm, and the outer end of each upper elastic arm is combined with the tops of the pair of supporting pieces; and

a coil assembly combined with the upper elastic element and provided with a pair of leads, so that the coil assembly is positioned in the magnetic gap.

2. A bi-directional vibration member as set forth in claim 1 wherein said upper suspension portion has two pairs of upper spring arms extending laterally outwardly from longitudinal edges thereof, each of said pairs of upper spring arms having an outer end with a top edge strip engaging a top edge of said pair of support members.

3. A bi-directional vibration member as set forth in claim 2 wherein said upper suspension portion has a pair of upper standing wall portions extending downwardly from lateral edges thereof and a pair of L-shaped coil group engaging portions extending outwardly from bottom edges thereof.

4. A bi-directional vibrating member according to claim 3, wherein the longitudinal edges of the upper suspension portion extend laterally outward outside the pair of upper resilient arms to form two pairs of upper suspension arms, the pair of upper suspension arms extend downward outside the outer ends to form a pair of lower suspension arms, and each of the lower suspension arms has a bottom edge connected across the upper attachment portion of the pair of return members.

5. A bidirectional vibration element as set forth in any of claims 3 or 4, wherein a circuit board is bonded to either outer end face of said pair of supporting members, the circuit board being electrically connected to said pair of leads.

6. The bi-directional vibrating element of claim 5, wherein the outer edge of at least one of the bonding top rims has a pair of lead positioning grooves with respect to the pair of upper resilient arms.

7. The bi-directional vibrating element of claim 6, wherein said pair of L-shaped coil assembly engaging portions have a pair of lead openings with respect to said pair of leads.

8. The bi-directional vibrating element of claim 7, wherein the pair of leads are routed from the middle of the coil assembly through the pair of lead openings and along the top surfaces of the pair of upper spring arms, and are electrically connected to the circuit board by the positioning of the pair of lead positioning slots.

9. A bi-directional vibrating member as set forth in claim 4, wherein each of said supporting members has a rectangular shape having a pair of standing walls, each of said coupling top edge strips is coupled to a top portion of each of said supporting members, and each of said coupling top edge strips has a pair of coupling standing edge strips extending downward from both ends thereof with respect to each of said standing walls.

10. A bi-directional vibratory element as set forth in claim 9 wherein each of said joined stile bottom edges laterally connects a pair of structural stiles.

11. The bi-directional vibrating element of claim 10, wherein the bottom edges of the upper attaching portions of the pair of return members have outwardly curved guides.

12. The bi-directional vibrating element of claim 1, wherein the lower suspension portion has two pairs of lower spring arms extending laterally outward from the longitudinal edges thereof.

13. The bi-directional vibrating element of claim 12, wherein the suspension portion has a pair of lower standing walls extending upward from lateral sides thereof, and a pair of lower engaging portions of the magneto-resistive element extending outward from top edges of the pair of lower standing walls.

14. A bi-directional vibration member as recited in claim 13, wherein outer ends of said respective pairs of lower spring arms are integrally bound by being integrally injection-molded with each of said support members.

15. The bi-directional vibrating element of claim 1, wherein the gyromagnetic component is laterally long and longitudinally short, and comprises a lower magnetic conductive member, a lower magnet, an upper magnetic conductive member and an upper magnet sequentially from bottom to top, the long side of the lower magnetic conductive member has a pair of magnetic conductive sidewalls, and the pair of magnetic conductive sidewalls have a magnetic gap between the lower magnet, the upper magnetic conductive member and the upper magnet.

16. The bi-directional vibrating element of claim 15, wherein the upper magnet and the lower magnet are substantially identical in volume and height, and the vertical centerline of the upper magnetically permeable member is aligned with the vertical centerline of the coil assembly.

17. A bi-directional vibration element as set forth in claim 16 wherein each of said upper attachment portions of said plurality of gyromagnetic members has an upper positioning protrusion, each of said lower attachment portions of said plurality of gyromagnetic members has a lower positioning protrusion, and each of said magnetically conductive sidewalls has a positioning coupling hole corresponding to said upper positioning protrusion and said lower positioning protrusion.

18. A bi-directional vibration member as set forth in claim 17 wherein each of said magnetically permeable sidewalls has a wire management gap with respect to said pair of lead wires.

19. The bi-directional vibrating element of claim 18, wherein the upper magnetically conductive member has at least one glue-receiving hole near the short side.

20. The bi-directional vibrating element of claim 1, wherein the lower and upper resilient members are made of stainless steel, phosphor copper or brass.

Technical Field

The present invention relates to a bidirectional vibration element, and more particularly to a design in which a magnetic return element, a coil assembly and other vibration core components are assembled to a lower elastic member having two pairs of elongated lower elastic arms and an upper elastic member having two pairs of elongated upper elastic arms, and then spanned between a pair of supporting members.

Background

The vibration principle of the vibrating assembly (LRA) is basically the same as that of a loudspeaker, and the vibration of the vibrating plate is driven by the vibration of the coil to generate larger vibration in a specific frequency band, so that the vibrating assembly is suitable for being applied to virtual reality or products requiring touch feedback and the like; however, the conventional vibration device cannot generate large vibration energy, and it is difficult to realize large-amplitude haptic feedback.

Disclosure of Invention

The present invention is directed to overcome the above-mentioned drawbacks of the prior art, and to provide a bidirectional vibration element, which has the function of generating large vibration energy; has the efficacy that the components can be accurately assembled and fixed.

The technical scheme adopted by the invention for solving the technical problems is as follows:

a bi-directional vibratory element, comprising: a pair of support members; the lower elastic piece is in a shape of being long in the transverse direction and short in the longitudinal direction and is provided with a lower suspension part, the longitudinal edge of the lower suspension part transversely extends outwards and is provided with at least one lower elastic arm, and the outer end of each lower elastic arm is combined with the bottom of the pair of support frames; a magnetic return component which is combined with the top surface of the lower elastic component and is provided with a magnetic gap; the upper elastic piece is in a shape of being long in the transverse direction and short in the longitudinal direction and is provided with an upper suspension part, the longitudinal edge of the upper suspension part extends outwards in the transverse direction and is provided with at least one upper elastic arm, and the outer end of each upper elastic arm is combined with the tops of the pair of supporting pieces; and a coil assembly, which is combined with the upper elastic piece and is provided with a pair of leads so that the coil assembly is positioned in the magnetic gap.

In addition, the longitudinal edge of the upper suspension part extends outwards transversely and is provided with two pairs of upper elastic arms, and the outer end of each pair of upper elastic arms is provided with a combination top edge strip relative to the tops of the pair of supporting pieces; the transverse edge of the upper suspension part extends downwards to form a pair of upper standing wall parts, and the bottom edges of the upper standing wall parts extend outwards to form a pair of L-shaped coil group attaching parts; the longitudinal edge of the upper suspension part extends outwards transversely at the outer side of the upper elastic arms and is provided with two pairs of upper cantilevers, the outer sides of the outer ends of the upper cantilevers extend downwards and are provided with a pair of lower straight cantilevers, and the bottom edge of each lower straight cantilever is connected with the upper attaching part of the magnetic return assembly in a crossing manner.

Moreover, any outer end face of the pair of supporting pieces is combined with a circuit board, and the circuit board is used for electrically connecting the pair of leads; the outer edge of at least one combination top edge strip is provided with a pair of lead positioning grooves corresponding to the pair of upper elastic arms; the pair of L-shaped coil group attaching parts are provided with a pair of lead openings corresponding to the pair of leads; the pair of leads are led out from the middle section of the coil assembly, pass through the openings of the pair of leads and along the top surfaces of the pair of upper elastic arms, and are electrically connected to the circuit board by utilizing the positioning of the pair of lead positioning grooves.

Each support piece is in a rectangular shape with a pair of vertical walls, each combination top edge strip is combined with the top of each support piece, and two ends of each combination top edge strip extend downwards relative to each vertical wall to form a pair of combination vertical edge strips; the bottom edge of each combined vertical edge strip is transversely connected with a pair of structural vertical edge strips; the bottom edges of the upper attaching parts of the pair of magnetic return assemblies are provided with guide parts which are bent outwards.

Secondly, the longitudinal edge of the lower suspension part extends outwards transversely and is provided with two pairs of lower elastic arms; the transverse edge of the lower suspension part extends upwards to form a pair of lower vertical wall parts, and the top edge of the lower vertical wall parts extends outwards transversely to form a pair of lower attaching parts of the magnetic return assembly; the outer ends of the lower elastic arms are integrally wrapped and injected by the supporting pieces to be combined; the lower elastic piece and the upper elastic piece are made of stainless steel, phosphor copper or brass.

The other one is in a transverse long and longitudinal short shape, and is sequentially provided with a lower magnetic conduction piece, a lower magnet, an upper magnetic conduction piece and an upper magnet from bottom to top, the long edge of the lower magnetic conduction piece is provided with a pair of magnetic conduction side walls, and magnetic gaps are arranged among the pair of magnetic conduction side walls, which are opposite to the lower magnet, the upper magnetic conduction piece and the upper magnet; the volume and the height of the upper magnet and the lower magnet are consistent, and the vertical central line of the upper magnetic conducting piece is aligned with the vertical central line of the coil group; each magnetic component upper joint part is provided with an upper positioning salient point, each magnetic component lower joint part is provided with a lower positioning salient point, and each magnetic conduction side wall is provided with a positioning combination hole corresponding to the upper positioning salient point and the lower positioning salient point; each magnetic conductive side wall is provided with a wire arranging gap corresponding to the pair of lead wires; the upper magnetic conduction piece is provided with at least one glue containing hole near the short edge.

Therefore, the vibration core components such as the magnetic return component and the coil group are assembled between the lower elastic part and the upper elastic part and then spanned between the pair of supporting pieces, when vibration is generated, the vibration of the whole vibration core component is generated, so that larger vibration displacement is generated, and the lower elastic arms of the two pairs of slender types of the lower elastic part are matched with the upper elastic arms of the two pairs of slender types of the elastic pieces, so that better vibration elasticity can be provided, and larger vibration energy can be generated.

The invention has the advantages that the invention has the effect of generating larger vibration energy; has the efficacy that the components can be accurately assembled and fixed.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is an exploded view of the present invention.

Fig. 2 is an exploded view of the magnetic return assembly of the present invention.

Fig. 3 is a perspective view of the structure of the present invention.

Fig. 4 is a perspective longitudinal sectional view of the structure of the present invention.

The reference numbers in the figures illustrate:

10 support piece

11 vertical wall

Elastic part under 20

21 lower suspending part

22 lower elastic arm

23 lower vertical wall part

24 lower attaching part of magnetic return assembly

241 lower positioning salient point

30 magnetic return assembly

31 lower magnetic conduction piece

32 lower magnet

33 upper magnetic conduction piece

331 glue containing hole

34 upper magnet

35 magnetic conductive side wall

351 positioning and combining hole

352 gap for wire arrangement

36 magnetic gap

40 upper elastic piece

41 upper suspension part

42 upper elastic arm

43 Top edge strip

431 lead positioning groove

44 combined vertical edge strip

45-structure vertical edge strip

46 upper vertical wall part

47L-shaped coil assembly attaching part

471 lead wire opening

48 upper cantilever

481 straight lower cantilever

49 magnetic return component upper attaching part

491 guiding part

492 with positioning bumps

50 coil group

51 lead wire

60 circuit board

Detailed Description

First, referring to fig. 1 to 4, the present invention includes: a pair of supporting members 10, a lower elastic member 20, a magnetic return element 30, an upper elastic member 40, a coil assembly 50 and a circuit board 60; the pair of supporting members 10 are formed in a rectangular shape having a pair of opposing walls 11.

The lower elastic member 20 is designed to be laterally long and longitudinally short and has a lower suspension portion 21, the longitudinal edge of the lower suspension portion 21 extends laterally outward and has two pairs of lower elastic arms 22, the outer end of each pair of lower elastic arms 22 is connected to the bottom of the pair of supporting frames 10 in a straddling manner, the outer end of each pair of lower elastic arms 22 is integrally injection-molded with the pair of supporting members 10 and is connected, the lateral edge of the lower suspension portion 21 extends upward and has a pair of lower standing wall portions 23, the top edge of each pair of lower standing wall portions 23 extends laterally outward and has a pair of lower attaching portions 24 of the magnetic return assembly, and each lower attaching portion 24 of the magnetic return assembly has a lower positioning protruding point 241.

The gyromagnetic component 30 is designed to be horizontally long and longitudinally short, and sequentially comprises a lower magnetic conducting member 31, a lower magnet 32, an upper magnetic conducting member 33 and an upper magnet 34 from bottom to top, wherein the volumes and heights of the upper magnet 34 and the lower magnet 32 are consistent, the long side of the lower magnetic conducting member 31 is provided with a pair of magnetic conducting side walls 35, the lower magnetic conducting member 31 is combined with the top surface of the lower elastic member 20, a magnetic gap 36 is formed between the pair of magnetic conducting side walls 35 and the lower magnet 32, the upper magnetic conducting member 33 and the upper magnet 34, each magnetic conducting side wall 35 is provided with three positioning combination holes 351, each magnetic conducting side wall is provided with a pair of wire-arranging notches 352, the upper magnetic conducting member 33 is provided with at least one glue accommodating hole 331 near the short side for accommodating redundant adhesive, and the phenomenon that when the upper magnetic conducting member 33 is bonded with the upper magnet 34 and the lower magnet 32, excessive glue overflows to cause the action failure of the vibrating.

The upper elastic member 40 is formed to be long in the lateral direction and short in the longitudinal direction and has an upper suspension portion 41; the upper suspension portion 41 has two pairs of upper elastic arms 42 extending laterally outward from the longitudinal edges thereof, each of the pairs of upper elastic arms 42 has a top edge strip 43 at the outer end thereof for connecting the upper elastic member 40 to the top of the pair of supporting members 10 in a straddling manner, at least one of the top edge strips 43 has a pair of lead positioning slots 431 opposite to the pair of upper elastic arms 42, two ends of each top edge strip 43 extend downward opposite to each of the upright walls 11 to form a pair of vertical edge strips 44, and the bottom edge of each vertical edge strip 44 is connected to a pair of structural edge strips 45; the upper suspension portion 41 has a pair of upper standing wall portions 46 extending downward from the lateral sides thereof, and a pair of L-shaped coil assembly attaching portions 47 extending outward from the bottom edges of the upper standing wall portions 46, the pair of L-shaped coil assembly attaching portions 47 having a pair of lead openings 471; the longitudinal edge of the upper suspension part 41 has two pairs of upper cantilevers 48 extending laterally outward on the outer sides of the pair of upper elastic arms 42, the outer sides of the outer ends of the pair of upper cantilevers 48 have a pair of straight lower cantilevers 481 extending downward, the bottom edge of each straight lower cantilever 481 is connected laterally with a pair of upper attaching parts 49 of the magnetic return assembly, the bottom edges of the upper attaching parts 49 of the magnetic return assembly have guide parts 491 bending outward, and each upper attaching part 49 of the magnetic return assembly has an upper positioning salient point 492.

The coil assembly 50 is combined with the upper elastic member 40 and has a pair of leads 51, so that the coil assembly 50 is located in the magnetic gap 36, and the vertical centerline of the upper magnetic conductive member 33 is aligned with the vertical centerline of the coil assembly 50.

The circuit board 60 is combined to the outer end face of any one of the supporting members 10 for electrically connecting the pair of leads 51, the pair of leads 51 are led out from the middle position of the coil assembly 50 through the wire arranging notch 352, pass through the pair of lead openings 471 and along the top surfaces of the pair of upper elastic arms 42, and are electrically connected to the circuit board 60 by positioning the pair of lead positioning grooves 431.

Based on the above structure, the present invention assembles the vibration core components such as the magnetic return component 30 and the coil assembly 50 between the lower elastic component 20 and the upper elastic component 40, and then straddles the pair of supporting members 10, when the vibration is generated, the vibration is the vibration of the whole vibration core component, thereby generating a larger vibration displacement; therefore, the vibration generator has the effect of generating larger vibration energy. In addition, the two pairs of elongated lower resilient arms 22 of the lower resilient member 20, in combination with the two pairs of elongated upper resilient arms 42 of the upper resilient plate 40, can provide better vibration resilience and generate larger vibration energy; the pair of upper elastic arms 42 also can be used for the pair of leads 51 to attach, so that the pair of leads 51 can not be suspended, and the bearing power can be further improved.

In addition, the pair of magnetically conductive sidewalls 35 of the gyromagnetic component 30 have positioning coupling holes 351; the lower elastic member 20 is provided with a pair of magnetic return assembly lower attaching portions 24 opposite to the magnetic conductive side wall 35, and the magnetic return assembly lower attaching portions 24 are provided with lower positioning salient points 241 opposite to the positioning combining holes 351; a pair of upper attaching portions 49 of the magnetic return assembly are disposed on the upper elastic member 40 opposite to the magnetic conductive sidewall 35, the bottom edge of the upper attaching portion 49 of the magnetic return assembly has an outwardly bent guiding portion 491 to help guide the combination of the upper elastic member 40 and the magnetic return assembly 30, and the upper attaching portion 49 of the magnetic return assembly is disposed with an upper positioning bump 492 opposite to the positioning combining hole 351; therefore, the lower positioning salient point 241 and the upper positioning salient point 492 are buckled in the positioning combination hole 351, so that the lower elastic part 20 and the upper elastic part 40 can be accurately positioned in the magneto-rheological component 30 in advance, then other components are assembled, and finally the bonding parts 24 and 49 are coated with the adhesive to be assembled and fixed, so that the effect of accurately assembling and fixing the components is achieved.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications, equivalent variations and modifications made to the above embodiment according to the technical spirit of the present invention still fall within the scope of the technical solution of the present invention.