CN219554804U - Elastic connecting sheet and vibrating device - Google Patents
Elastic connecting sheet and vibrating device Download PDFInfo
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- CN219554804U CN219554804U CN202320042627.8U CN202320042627U CN219554804U CN 219554804 U CN219554804 U CN 219554804U CN 202320042627 U CN202320042627 U CN 202320042627U CN 219554804 U CN219554804 U CN 219554804U
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Abstract
The utility model belongs to the technical field of vibration equipment, and particularly relates to an elastic connecting sheet and a vibration device. The elastic connecting piece comprises a supporting part, a first elastic arm and a second elastic arm, wherein the first elastic arm and the second elastic arm are respectively connected with the supporting part and are respectively arranged on two sides of the supporting part along the vibration direction of the elastic connecting piece, at least part of the first elastic arm is arranged along a first spiral direction, at least part of the second elastic arm is arranged along a second spiral direction, and the directions of the first spiral direction and the second spiral direction are opposite. According to the elastic connecting piece, the utilization rate of the elastic connecting piece can be effectively improved along the space height direction, meanwhile, the first elastic arm and the second elastic arm are respectively arranged in an extending mode along the opposite spiral directions, the elastic force of the first elastic arm and the second elastic arm can be effectively improved, meanwhile, the stability of the elastic connecting piece during vibration is kept, and the vibration effect of the vibration device is further improved.
Description
Technical Field
The utility model belongs to the technical field of vibration equipment, and particularly relates to an elastic connecting sheet and a vibration device.
Background
Linear motors are widely used in the field of haptic vibrations as actuators for haptic feedback. Along with the ultra-thin whole electronic product, the electronic product is convenient to carry and store, and the requirement on the space height utilization rate of the ultra-thin linear motor is also higher. The elastic connection piece is an important component of the linear motor, so that the utilization rate of the elastic connection piece in the space height direction needs to be improved.
Disclosure of Invention
The utility model aims to at least solve the problem of how to improve the utilization rate of an elastic connecting sheet in the space height direction. This object is achieved by:
a first aspect of the present utility model proposes an elastic connection piece for a vibrating device, the elastic connection piece comprising:
a support part;
the first elastic arm and the second elastic arm are respectively connected with the supporting portion, and are respectively arranged on two sides of the supporting portion along the vibration direction of the elastic connecting sheet, at least part of the first elastic arm is arranged along the first spiral direction, at least part of the second elastic arm is arranged along the second spiral direction, and the directions of the first spiral direction and the second spiral direction are opposite.
According to the elastic connecting piece, the first elastic arm and the second elastic arm are arranged along the vibration direction of the elastic connecting piece, elastic force is respectively provided by the first elastic arm and the second elastic arm at two sides in the vibration process of the elastic connecting piece, so that the utilization rate of the elastic connecting piece can be effectively improved along the space height direction, meanwhile, the first elastic arm and the second elastic arm are respectively arranged in an extending mode along the opposite spiral directions, the elastic force of the first elastic arm and the second elastic arm can be effectively improved, meanwhile, the stability of the elastic connecting piece during vibration is kept, and the vibration effect of the vibration device is further improved.
In some embodiments of the present utility model, the first elastic arm includes a first end portion and a second end portion, the first end portion is connected to the supporting portion, the second end portion is disposed away from the supporting portion along the first spiral direction, a first spiral structure is formed between the first end portion and the second end portion, and a number of turns of the first spiral structure is less than 1.
In some embodiments of the utility model, the first end and the second end have an included angle in the first helical direction of greater than 180 ° and less than 360 °.
In some embodiments of the utility model, along the vibration direction of the elastic connection piece, the projection of the second end portion is outside the projection range of the support portion.
In some embodiments of the present utility model, the second elastic arm includes a third end portion and a fourth end portion, the third end portion is connected to the supporting portion, the fourth end portion is disposed away from the supporting portion along the second spiral direction, a second spiral structure is formed between the third end portion and the fourth end portion, and a number of turns of the second spiral structure is less than 1.
In some embodiments of the utility model, the angle between the third end and the fourth end in the second helical direction is greater than 180 ° and less than 360 °.
In some embodiments of the utility model, along the vibration direction of the elastic connection piece, the projection of the fourth end is outside the projection range of the support portion.
In some embodiments of the utility model, the first end portion and the third end portion are respectively connected to an outer edge of the support portion, and the first end portion and the third end portion are disposed symmetrically about a center of the support portion.
In some embodiments of the utility model, the support, the first resilient arm and the second resilient arm are of unitary construction.
The second aspect of the present utility model also proposes a vibration device having the elastic connection piece of any one of the above, the vibration device further comprising:
a housing, an interior of the housing forming a mounting cavity;
the stator assembly is arranged in the mounting cavity and comprises a coil and a coil bracket which are connected with each other, the coil bracket is connected with the shell, and an opening is arranged in the center of the stator assembly;
the vibrator assembly penetrates through the opening and comprises a magnetic circuit unit and at least one mass block which are connected with each other;
the elastic connecting piece is arranged in the opening in a penetrating mode, the at least one mass block is connected with the supporting portion, and the first elastic arm and the second elastic arm are respectively connected with two inner surfaces of the shell, which are oppositely arranged.
In some embodiments of the present utility model, the magnetic circuit unit is sleeved outside the at least one mass block, the magnetic circuit unit includes a first magnet, a second magnet and a central magnetic conductive plate, the first magnet and the second magnet are symmetrically arranged about the central magnetic conductive plate, and magnetizing directions of the first magnet and the second magnet are opposite.
In some embodiments of the present utility model, the at least one mass block includes a first mass block and a second mass block, and the first mass block and the second mass block are respectively disposed at two sides of the supporting portion along the vibration direction of the elastic connection piece and are respectively connected to the supporting portion.
In some embodiments of the present utility model, the first mass block includes a first body portion and a first protruding end that are connected, the first body portion is connected to the supporting portion, the first protruding end is disposed outside the first body portion, a first accommodating groove is disposed between the first protruding end and the first body portion, and the first elastic arm is disposed through the first accommodating groove; and/or, the second mass block comprises a second body part and a second extending end which are connected, the second body part is connected with the supporting part, the second extending end is arranged outside the second body part, a second accommodating groove is formed between the second extending end and the second body part, and the second elastic arm penetrates through the second accommodating groove.
The foregoing description is only an overview of the present utility model, and is intended to be implemented in accordance with the teachings of the present utility model in order that the same may be more clearly understood and to make the same and other objects, features and advantages of the present utility model more readily apparent.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. Also, like reference numerals are used to designate like parts throughout the figures. Wherein:
FIG. 1 is a schematic front view of an elastic connecting piece according to an embodiment of the present utility model;
FIG. 2 is a schematic view of the elastic attachment tab of FIG. 1 at another angle;
FIG. 3 is a schematic view of the internal structure of a vibration device having the elastic attachment tab of FIG. 1;
FIG. 4 is an exploded view of the vibration device of FIG. 3;
FIG. 5 is a schematic view of the connection structure between the elastic connection piece and the housing in FIG. 3;
FIG. 6 is a schematic diagram of a connection structure between the stator assembly and the housing in FIG. 3;
FIG. 7 is a schematic view of the connection structure of the elastic connection piece and the mass block in FIG. 3;
FIG. 8 is a schematic view of another angular connection of the elastic connection piece and the mass of FIG. 7;
FIG. 9 is a schematic view of another angular connection of the elastic connection plate and the mass of FIG. 8;
fig. 10 is a schematic diagram of a split structure of the elastic connection piece and the mass block in fig. 7.
The reference numerals in the drawings are as follows:
1: a vibration device;
10: elastic connecting piece, 11: support part, 12: first elastic arms, 121: first end, 122: second end, 123: first helix, 13: second elastic arms, 131: third end, 132: fourth end, 133: a second helical structure;
20: a housing, 21: first housing, 22: a second housing;
30: stator assembly, 31: coil, 32: coil support, 321: an opening;
40: vibrator assembly, 41: magnetic circuit unit, 411: first magnet, 412: second magnet, 413: center magnetically permeable plate, 42: first mass, 421: first body portion, 422: first projecting end, 423: first accommodation groove, 43: second mass, 431: second body portion, 432: second protruding end, 433: a second accommodation groove;
50: an electrical connection board.
Detailed Description
Exemplary embodiments of the present utility model will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present utility model are shown in the drawings, it should be understood that the present utility model may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.
It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "includes," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless an order of performance is explicitly stated. It should also be appreciated that additional or alternative steps may be used.
Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.
For ease of description, spatially relative terms, such as "inner," "outer," "lower," "below," "upper," "above," and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" may include both upper and lower orientations. The device may be otherwise oriented (rotated 90 degrees or in other directions) and the spatial relative relationship descriptors used herein interpreted accordingly.
In order to improve the utilization rate of the elastic connecting sheet in the space height direction, the utility model provides the elastic connecting sheet which is used for a vibrating device. As shown in fig. 1 and 2, in some embodiments of the present utility model, the elastic connection piece 10 includes a support portion 11, a first elastic arm 12, and a second elastic arm 13, where the first elastic arm 12 and the second elastic arm 13 are respectively connected to the support portion 11 and are respectively disposed on two sides of the support portion 11 along a vibration direction of the elastic connection piece 10, at least a portion of the first elastic arm 12 is disposed along a first spiral direction, at least a portion of the second elastic arm 13 is disposed along a second spiral direction, and the first spiral direction is opposite to the second spiral direction.
According to the elastic connecting piece 10 of the utility model, the first elastic arm 12 and the second elastic arm 13 are arranged along the vibration direction of the elastic connecting piece 10, and the elastic force is respectively provided by the first elastic arm 12 and the second elastic arm 13 at two sides in the vibration process of the elastic connecting piece 10, so that the utilization rate of the elastic connecting piece 10 can be effectively improved along the space height direction, and meanwhile, the first elastic arm 12 and the second elastic arm 13 are respectively arranged in the opposite spiral directions in an extending manner, so that the elastic force of the first elastic arm 12 and the second elastic arm 13 can be effectively improved, and meanwhile, the stability of the elastic connecting piece 10 during vibration is kept, and the vibration effect of the vibration device is further improved. The space height direction is the vibration direction of the elastic connection piece 10.
Referring again to fig. 1-2, in some embodiments of the utility model, the first resilient arm 12 includes a first end 121 and a second end 122, the first end 121 being connected to the support 11, the second end 122 being disposed away from the support 11 in a first helical direction. A first spiral structure 123 is formed between the first end 121 and the second end 122, and the number of turns of the first spiral structure 123 is less than 1.
Specifically, the second end 122 is adapted to be connected to the housing of the vibration device, thereby forming a first spiral structure 123 between the housing and the support 11, and adapted to support the elastic connection piece 10 for vibration. Wherein. In order to ensure the vibration strength of the elastic connection piece 10, the number of turns of the first spiral structure 123 is less than 1, and the included angle between the first end 121 and the second end 122 along the first spiral direction is greater than 180 ° and less than 360 °, so that the first elastic arm 12 is ensured to have a sufficient deformable amount, and the supporting strength of the first elastic arm 12 is ensured.
Referring again to fig. 1 and 2, in some embodiments of the present utility model, the projection of the second end 122 is outside the projection range of the supporting portion 11 along the vibration direction of the elastic connection piece 10. That is, the area enclosed by the projection of the first spiral structure 123 is larger than the projection area of the supporting portion 11, so as to increase the deformable area of the first elastic arm 12, ensure that the stress of the first elastic arm 12 is uniform, and avoid the damage of the first elastic arm 12 caused by the concentrated stress.
Referring to fig. 1 to 2, in some embodiments of the present utility model, the second elastic arm 13 includes a third end 131 and a fourth end 132, the third end 131 is connected to the supporting portion 11, the fourth end 132 is disposed away from the supporting portion 11 along the second spiral direction, a second spiral structure 133 is formed between the third end 131 and the fourth end 132, and the number of spiral turns of the second spiral structure 133 is less than 1.
Specifically, the fourth end portion 132 is for connection with the housing of the vibration device, thereby forming a second screw structure 133 between the housing and the support portion 11, and for supporting the vibration of the elastic connection piece 10. Wherein. In order to ensure the vibration strength of the elastic connection piece 10, the number of turns of the second spiral structure 133 is less than 1, and the included angle between the third end 131 and the fourth end 132 along the second spiral direction is greater than 180 ° and less than 360 °, so that the second elastic arm 13 is ensured to have a sufficient deformable amount, and the supporting strength of the second elastic arm 13 is ensured.
Referring again to fig. 1 and 2, in some embodiments of the present utility model, the projection of the fourth end 132 is outside the projection range of the supporting portion 11 along the vibration direction of the elastic connection piece 10. That is, the area enclosed by the projection of the second spiral structure 133 is larger than the projection area of the supporting portion 11, so as to increase the deformable area of the second elastic arm 13, ensure that the stress of the second elastic arm 13 is uniform, and avoid the damage of the second elastic arm 13 caused by the concentrated stress.
As shown in fig. 1 and 2 again, in some embodiments of the present utility model, the first end 121 and the third end 131 are connected to the outer edge of the support 11, respectively, and the first end 121 and the third end 131 are disposed symmetrically about the center of the support 11.
Through the central symmetry setting about supporting part 11 with first end 121 and third end 131, namely first helicitic texture 123 and second helicitic texture 133 set up about the central symmetry of supporting part 11 to guarantee the atress balance of supporting part 11, keep the stability when elastic connection piece 10 vibrates, and then improve vibrating device's vibration effect.
Referring again to fig. 1 and 2, in some embodiments of the present utility model, the support 11, the first elastic arm 12, and the second elastic arm 13 are integrally formed.
Specifically, the support portion 11, the first elastic arm 12, and the second elastic arm 13 are integrally press-molded, thereby improving the support strength of the elastic connection piece 10.
Referring to fig. 1 and 2 again, in some embodiments of the present utility model, the elastic connection piece 10 further includes a third elastic arm (not shown) and a fourth elastic arm (not shown), where the third elastic arm is connected to the first elastic arm 12, at least a portion of the third elastic arm is disposed in a direction away from the supporting portion 11 along the second spiral direction, and along the vibration direction of the elastic connection piece 10, the projection of the third elastic arm is within the projection range of the first elastic arm 12, so that the deformable amount of the elastic connection piece 10 is further lifted by the third elastic arm, and the vibration effect of the elastic connection piece 10 is ensured.
The fourth elastic arm is connected with the second elastic arm 13, at least part of the fourth elastic arm is arranged along the direction of the first spiral direction away from the supporting part 11, and along the vibration direction of the elastic connecting sheet 10, the projection of the fourth elastic arm is positioned in the projection range of the second elastic arm 13, so that the deformability of the elastic connecting sheet 10 is further improved through the fourth elastic arm, and the vibration effect of the elastic connecting sheet 10 is ensured. Wherein the third and fourth elastic arms are symmetrically arranged about the support 11.
Referring again to fig. 1 and 2, in some embodiments of the present utility model, the surfaces of the second end 122 and the fourth end 132 facing the housing are each planar, so as to facilitate connection with the housing of the vibration device, and the specific connection method may be welding or gluing.
As shown in fig. 1 to 6, the second aspect of the present utility model further proposes a vibration device 1, where the vibration device 1 may be a vibration device, the vibration device 1 has the elastic connection piece 10 of any one of the foregoing embodiments, and the vibration device 1 further includes a housing 20, a stator assembly 30, and a vibrator assembly 40. Wherein, the interior of the shell 20 forms a mounting cavity, and the stator assembly 30, the vibrator assembly 40 and the elastic connecting piece 10 are all arranged in the mounting cavity. The stator assembly 30 includes a coil 31 and a coil bracket 32 connected to each other, the coil bracket 32 being connected to the housing 20, and an opening 321 being provided at the center of the stator assembly 30. The vibrator assembly 40 is disposed in the opening 321 in a penetrating manner, and the vibrator assembly 40 includes a magnetic circuit unit 41 and at least one mass block that are connected to each other. Wherein, the elastic connecting piece 10 is disposed in the opening 321, at least one mass block is connected to the supporting portion 11, and the first elastic arm 12 and the second elastic arm 13 are respectively connected to two inner surfaces of the housing 20 opposite to each other.
Specifically, in some embodiments of the present utility model, the housing 20 includes a first housing 21 and a second housing 22, the first housing 21 and the second housing 22 mating and forming a mounting cavity therebetween. The first casing 21 has a box-shaped structure with an opening at one end, and the second casing 22 has a plate-shaped structure and covers the opening of the first casing 21. The coil bracket 32 is connected to the first housing 21, and the coil 31 connected to the coil bracket 32 is suspended in the mounting chamber. Specifically, the center of the coil bracket 32 is provided with an opening 321, and the coil 31 is sleeved outside the coil bracket 32. The vibrator assembly 40 is disposed in the opening 321 in a penetrating manner, and is connected to the supporting portion 11 of the elastic connection piece 10 through the mass, and a magnetic gap is formed between the magnetic circuit unit 41 and the coil 31, so that when the coil 31 is energized, the vibrator assembly 40 can vibrate reciprocally in the axial direction of the coil 31 under the action of the energized coil 31, thereby achieving the vibration effect of the vibration device 1, wherein the elastic connection piece 10 is used for supporting the vibrator assembly 40 to reciprocate. Wherein the first elastic arm 12 of the elastic connection piece 10 is connected with the inner surface of the first shell 21, and the second elastic arm 13 is connected with the inner surface of the second shell 22.
As shown in fig. 1 to 4, in some embodiments of the present utility model, the magnetic circuit unit 41 is sleeved outside at least one mass block, the magnetic circuit unit 41 includes a first magnet 411, a second magnet 412 and a central magnetic conductive plate 412, the first magnet 411 and the second magnet 412 are symmetrically disposed with respect to the central magnetic conductive plate 413, and magnetizing directions of the first magnet 411 and the second magnet 412 are opposite. The direction indicated by the solid black arrow in fig. 3 is the magnetization direction of the magnet.
Specifically, the first magnet 411 and the second magnet 412 are symmetrically disposed about the central magnetic conductive plate 413, and are sleeved on the outer portion of the mass block and connected to the mass block, and the magnetic lines of force are guided by the central magnetic conductive plate 413 to form a closed loop, so as to reduce magnetic leakage and improve the utilization rate of the magnetic induction line.
Referring to fig. 1, 2, and 6 to 10, in some embodiments of the present utility model, at least one mass includes a first mass 42 and a second mass 43, and the first mass 42 and the second mass 43 are respectively disposed on two sides of the supporting portion 11 along the vibration direction of the elastic connection piece 10 and are respectively connected to the supporting portion 11.
Specifically, to ensure the stress balance of the elastic connection piece 10, the two sides of the supporting portion 11 are respectively provided with a first mass block 42 and a second mass block 43. The first mass block 42 includes a first body 421 and a first extending end 422, the first body 421 is connected to the supporting portion 11, the first extending end 422 is annularly disposed outside the first body 421, a first accommodating groove 423 is disposed between the first body 421 and the first body 421, and the first elastic arm 12 is disposed in the first accommodating groove 423 in a penetrating manner.
The second mass block 43 includes a second body portion 431 and a second protruding end 432, the second body portion 431 is connected to the supporting portion 11, the second protruding end 432 is annularly disposed outside the second body portion 431, a second accommodating groove 433 is disposed between the second protruding end 432 and the second body portion 431, and the second elastic arm 13 is disposed through the second accommodating groove 433.
By providing the first and second protruding ends 422, 432, the weight of the mass can be increased. Meanwhile, the first elastic arm 12 is inserted into the first accommodating groove 423, and the second elastic arm 13 is inserted into the second accommodating groove 433, so that the utilization rate of the elastic connecting piece 10 in the space height direction in the housing 20 can be further improved.
Referring again to fig. 3 and 4, in some embodiments of the present utility model, the vibration apparatus 1 further includes an electrical connection plate 50, a portion of the electrical connection plate 50 being disposed inside the housing 20 and electrically connected to the coil 31, and a portion of the electrical connection plate 50 being disposed outside the housing 20 and being used for connection to an external power source, thereby supplying power to the coil 31 to drive the vibrator assembly 40 to vibrate.
The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.
Claims (13)
1. An elastic connection piece for a vibration device, comprising:
a support part;
the first elastic arm and the second elastic arm are respectively connected with the supporting portion, and are respectively arranged on two sides of the supporting portion along the vibration direction of the elastic connecting sheet, at least part of the first elastic arm is arranged along the first spiral direction, at least part of the second elastic arm is arranged along the second spiral direction, and the directions of the first spiral direction and the second spiral direction are opposite.
2. The elastic connecting piece according to claim 1, wherein the first elastic arm includes a first end portion and a second end portion, the first end portion is connected to the supporting portion, the second end portion is disposed away from the supporting portion along the first spiral direction, a first spiral structure is formed between the first end portion and the second end portion, and the number of turns of the first spiral structure is smaller than 1.
3. The elastic connecting piece according to claim 2, characterized in that the angle between the first end portion and the second end portion in the first spiral direction is more than 180 ° and less than 360 °.
4. The elastic connecting piece according to claim 2, wherein a projection of the second end portion is out of a projection range of the supporting portion in a vibration direction of the elastic connecting piece.
5. The elastic connecting piece according to claim 2, wherein the second elastic arm includes a third end portion and a fourth end portion, the third end portion is connected to the supporting portion, the fourth end portion is disposed away from the supporting portion along the second spiral direction, a second spiral structure is formed between the third end portion and the fourth end portion, and the number of turns of the second spiral structure is smaller than 1.
6. The elastic connecting piece of claim 5, wherein an angle between the third end portion and the fourth end portion in the second spiral direction is greater than 180 ° and less than 360 °.
7. The elastic connecting piece according to claim 5, wherein a projection of the fourth end portion is out of a projection range of the supporting portion in a vibration direction of the elastic connecting piece.
8. The elastic connecting piece according to claim 5, wherein the first end portion and the third end portion are connected to outer edges of the supporting portion, respectively, and the first end portion and the third end portion are disposed symmetrically with respect to a center of the supporting portion.
9. The elastic connecting piece according to claim 1, wherein the support portion, the first elastic arm, and the second elastic arm are of a unitary structure.
10. A vibration device having the elastic connection piece according to any one of claims 1 to 9, the vibration device further comprising:
a housing, an interior of the housing forming a mounting cavity;
the stator assembly is arranged in the mounting cavity and comprises a coil and a coil bracket which are connected with each other, the coil bracket is connected with the shell, and an opening is arranged in the center of the stator assembly;
the vibrator assembly penetrates through the opening and comprises a magnetic circuit unit and at least one mass block which are connected with each other;
the elastic connecting piece is arranged in the opening in a penetrating mode, the at least one mass block is connected with the supporting portion, and the first elastic arm and the second elastic arm are respectively connected with two inner surfaces of the shell, which are oppositely arranged.
11. The vibration apparatus of claim 10, wherein the magnetic circuit unit is sleeved outside the at least one mass block, the magnetic circuit unit includes a first magnet, a second magnet, and a central magnetic plate, the first magnet and the second magnet are symmetrically disposed with respect to the central magnetic plate, and magnetizing directions of the first magnet and the second magnet are opposite.
12. The vibration apparatus according to claim 10, wherein the at least one mass includes a first mass and a second mass, the first mass and the second mass being respectively disposed on both sides of the supporting portion in a vibration direction of the elastic connection piece and respectively connected to the supporting portion.
13. The vibration apparatus of claim 12 wherein the first mass includes a first body portion and a first extension end connected to each other, the first body portion being connected to the support portion, the first extension end being disposed outside the first body portion and having a first receiving slot therebetween, the first elastic arm being disposed through the first receiving slot; and/or, the second mass block comprises a second body part and a second extending end which are connected, the second body part is connected with the supporting part, the second extending end is arranged outside the second body part, a second accommodating groove is formed between the second extending end and the second body part, and the second elastic arm penetrates through the second accommodating groove.
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CN202320042627.8U CN219554804U (en) | 2023-01-03 | 2023-01-03 | Elastic connecting sheet and vibrating device |
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CN202320042627.8U CN219554804U (en) | 2023-01-03 | 2023-01-03 | Elastic connecting sheet and vibrating device |
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CN202320042627.8U Active CN219554804U (en) | 2023-01-03 | 2023-01-03 | Elastic connecting sheet and vibrating device |
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