CN214314995U - Vibration motor - Google Patents
Vibration motor Download PDFInfo
- Publication number
- CN214314995U CN214314995U CN202023062001.9U CN202023062001U CN214314995U CN 214314995 U CN214314995 U CN 214314995U CN 202023062001 U CN202023062001 U CN 202023062001U CN 214314995 U CN214314995 U CN 214314995U
- Authority
- CN
- China
- Prior art keywords
- vibration motor
- cover plate
- coil
- piece
- circuit board
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 41
- 239000010959 steel Substances 0.000 claims abstract description 41
- 238000004804 winding Methods 0.000 claims description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 11
- 230000000712 assembly Effects 0.000 claims description 8
- 238000000429 assembly Methods 0.000 claims description 8
- 230000005611 electricity Effects 0.000 abstract 1
- 238000005476 soldering Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Landscapes
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
The utility model provides a vibrating motor, including the casing that has accommodating space, accept in vibrating piece and mounting in the accommodating space, the vibrating piece is including the quality piece that is equipped with the holding chamber and accept the magnet steel in the holding intracavity, the mounting is including fixed subassembly, fixed subassembly all includes the coil of magnetic conduction piece, coiling and the circuit board of being connected with the coil electricity, the circuit board including accept in the paster portion in the accommodating space and stretch out in the epitaxial portion of casing, paster portion be located between magnetic conduction piece and the magnet steel and with one side of magnetic conduction piece orientation magnet steel is connected, the coil is located between paster portion and the magnet steel, the magnetic conduction piece extends to paster portion with the junction of epitaxial portion. The utility model discloses a be connected the paster portion and the magnetic conductive plate of circuit board towards one side of magnet steel, make the magnetic conductive plate supports the circuit board, improves the joint strength of circuit board.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a vibrating motor technical field especially relates to a vibrating motor.
[ background of the invention ]
With the development of electronic technology, silent incoming call prompt of mobile communication terminal devices such as mobile phones and the like needs to remind users by means of vibration of the body, and a component generating vibration is a built-in vibration motor, and a core device of small-sized medical health care equipment such as a vibration massager is also a built-in vibration motor. However, in the conventional vibration motor, the flexible circuit board is generally adhered to the housing and the magnetic conductive sheet at the same time, and a step is formed between the magnetic conductive sheet and the housing, so that the adhesion strength of the flexible circuit board at the height transition of the step is poor.
Therefore, there is a need to provide a new mechanism to solve the above technical problems.
[ Utility model ] content
An object of the utility model is to provide a can improve vibrating motor of circuit board adhesion strength.
In order to achieve the above object, the present invention provides a vibration motor, including a housing having an accommodating space, a vibration member and a fixing member accommodated in the accommodating space, wherein the vibration member includes a mass block having an accommodating cavity and a magnetic steel accommodated in the accommodating cavity, the fixing member includes a fixing component, the fixing component includes a magnetic conductive sheet, a wound coil and a circuit board electrically connected to the coil, the circuit board includes a patch portion accommodated in the accommodating space and an extension portion extending out of the housing, the patch portion is located between the magnetic conductive sheet and the magnetic steel and connected to one side of the magnetic steel facing the magnetic steel, and the coil is located between the patch portion and the magnetic steel;
the magnetic conduction sheet extends to the joint of the patch part and the extension part.
Preferably, a projection of the magnetic conductive sheet in a direction perpendicular to the coil winding plane completely covers a projection of the patch section in a direction perpendicular to the coil winding plane.
Preferably, the number of the fixing assemblies is two, and the two fixing assemblies are oppositely arranged on two sides of the magnetic steel.
Preferably, the circuit boards of the two fixing assemblies are electrically connected with each other at the outer extension portions.
Preferably, the axes of the coils of both said mounting assemblies are collinear.
Preferably, the housing includes a first cover plate, a second cover plate opposite to the first cover plate and disposed at an interval, and a side wall plate disposed between the first cover plate and the second cover plate, and the side wall plate is connected with the first cover plate and the second cover plate to enclose the accommodating space;
in the two fixing assemblies, one fixing assembly is located between the magnetic steel and the first cover plate, and the other fixing assembly is located between the magnetic steel and the second cover plate.
Preferably, a through hole is formed in the side enclosing plate, the extending portion extends out of the shell from the through hole, and the magnetic conductive sheet extends towards the direction of the through hole and is at least partially accommodated in the through hole.
Preferably, the fixed component further comprises an iron core, the coil is wound on the iron core, and the iron core is located between the patch part and the magnetic steel.
Preferably, the vibration motor further includes an elastic support member suspending and supporting the vibration member in the receiving space and providing an elastic restoring force to the vibration member, and the elastic support member is disposed on opposite sides of the mass block along the axis of the coil.
The beneficial effects of the utility model reside in that: the utility model discloses a vibrating motor, through inciting somebody to action the paster portion of circuit board with the magnetic conduction piece orientation one side of magnet steel is connected, makes the magnetic conduction piece support the circuit board, makes simultaneously the magnetic conduction piece extends to the paster portion with the junction of epitaxial portion, so that the paster portion can attach in completely in the magnetic conduction piece orientation one side of magnet steel, thereby avoid the emergence of the relatively poor phenomenon of adhesion strength when paster portion is connected with magnetic conduction piece and casing simultaneously improves the joint strength of circuit board.
[ description of the drawings ]
Fig. 1 is a schematic structural view of a vibration motor according to the present invention;
fig. 2 is an exploded view of the vibration motor of the present invention;
fig. 3 is a schematic structural view of the vibration motor of the present invention with the first cover plate removed;
fig. 4 is a schematic view of another angle of the vibration motor according to the present invention;
FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;
FIG. 6 is a cross-sectional view taken at B-B of FIG. 4;
fig. 7 is a cross-sectional view taken at C-C in fig. 4.
[ detailed description ] embodiments
The present invention will be further described with reference to the accompanying drawings and embodiments.
It should be noted that all the directional indicators (such as upper, lower, left, right, front, back, inner, outer, top, bottom … …) in the embodiments of the present invention are only used to explain the relative position between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
It will also be understood that when an element is referred to as being "secured to" or "disposed on" 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 also be present.
Referring to fig. 1 to 7, the present invention provides a vibration motor, which includes a housing 1 having an accommodating space 10, and a vibrating element 2 and a fixing element 3 accommodated in the accommodating space 10.
Referring to fig. 1 to 7, the vibrating element 2 includes a mass 21 having a receiving cavity 210 and a magnetic steel 22 received in the receiving cavity 210.
The fixing member 3 includes a fixing member 31, the fixing member 31 includes a magnetic conductive sheet 311, a wound coil 313 and a circuit board 314 electrically connected to the coil 313, the circuit board 314 includes a patch portion 3141 accommodated in the accommodating space 10 and extends out of an outer extension portion 3142 of the housing 1, the patch portion 3141 is located between the magnetic conductive sheet 311 and the magnetic steel 22 and is connected to one side of the magnetic steel 22 towards the magnetic conductive sheet 311, the coil 314 is located between the patch portion 3141 and the magnetic steel 22.
The magnetic conductive sheet 311 extends to the connection between the patch portion 3141 and the extension portion 3142.
Through with the paster portion 3141 of circuit board 314 with the magnetic conductive sheet 311 orientation one side of magnet steel 22 is connected, makes the magnetic conductive sheet 311 is right the circuit board 3141 supports, makes simultaneously the magnetic conductive sheet 311 extends to paster portion 3141 with the junction of extension portion 3142, so that paster portion 3141 can attach in completely in the magnetic conductive sheet 311 orientation one side of magnet steel 22 avoids the emergence of the relatively poor phenomenon of adhesion strength when paster portion 3141 is connected with magnetic conductive sheet 311 and casing 1 simultaneously, improves the joint strength of circuit board 314.
Further, the patch portion 3141 may be adhered to one side of the magnetic conductive sheet 311 facing the magnetic steel 22.
Referring to fig. 2 to 7, in a preferred embodiment, a projection of the magnetic conductive sheet 311 in a direction perpendicular to the winding plane of the coil 313 completely covers a projection of the patch portion 3141 in a direction perpendicular to the winding plane of the coil 313.
By making the projection of the magnetic conductive sheet 311 in the direction perpendicular to the winding plane of the coil 313 completely cover the projection of the patch portion 3141 in the direction perpendicular to the winding plane of the coil 313, so that the magnetic conductive sheet 311 can completely cover the patch portion 3141 in the direction perpendicular to the winding plane of the coil 313, the patch portion 3141 can be completely attached to the side of the magnetic conductive sheet 311 facing the magnetic steel 22.
Referring to fig. 2 to 7, in a preferred embodiment, the fixing assembly further includes an iron core 312, the coil 313 is wound on the iron core 312, and the iron core 312 is located between the patch portion 3141 and the magnetic steel 22.
When the vibrating motor works, the circuit board 314 is the coil 313 is electrified, so that the iron core 312 is polarized, under the action of the iron core 312, the magnetic steel 22 moves along the vibration direction of the vibrating piece 2, thereby driving the mass block 21 to move along with the magnetic steel 22 synchronously, and realizing the vibration of the vibrating piece 2.
Referring to fig. 2, in a preferred embodiment, two fixing elements 31 are disposed, and two fixing elements 31 are disposed opposite to the magnetic steel 22 to form the vibration motor.
Referring to fig. 2, in a preferred embodiment, the outer portions 3142 of the circuit boards 314 of the two fixing elements 31 are electrically connected. Specifically, the extending portion 3142 of each circuit board 314 may be bent toward the other circuit board 314 along a direction perpendicular to the winding plane of the coil 313, so that the extending portions 3142 of the two circuit boards 314 are attached to each other, so as to facilitate electrical connection therebetween.
Referring to fig. 2 and 5, in a preferred embodiment, the housing 1 includes a first cover plate 11, a second cover plate 12 opposite to and spaced apart from the first cover plate 11, and a side wall 13 disposed between the first cover plate 11 and the second cover plate 12, wherein the side wall 13 is connected to the first cover plate 11 and the second cover plate 12 to enclose the accommodating space 10.
Two among the fixed subassembly 31, one of them fixed subassembly 31 is located magnet steel 22 with between the first apron 11, the other one fixed subassembly 31 is located magnet steel 22 with between the second apron 12, so that two fixed subassembly 31 is followed the axis direction of mounting 3 sets up relatively the both sides of magnet steel 22.
Further, referring to fig. 2 and fig. 7, in a preferred embodiment, a through hole 130 is disposed on the side wall 13, the extending portion 3142 extends out of the housing 1 from the through hole 130, and the magnetic conductive sheet 311 extends toward the through hole 130 and is at least partially accommodated in the through hole 130. It is understood that the extended end surface of the magnetic conductive plate 311 will be located in the through hole 130 or penetrate through the through hole 130, that is, the extended end surface of the magnetic conductive plate 311 should be located outside the inner wall of the side wall 13 to completely cover the patch portion 3141 of the circuit board 314.
Referring to fig. 2 and fig. 3, in a preferred embodiment, the side enclosing plate 13 includes a first side plate 131 disposed on two opposite sides of the vibrating element 2 along the vibrating direction and a second side plate 132 connected to the first side plate 131, and the side enclosing plate 13 is formed by connecting the first side plate 131 and the second side plate 132 in a terminating manner. Preferably, the through hole 130 may be provided on the second side plate 132.
Referring to fig. 2 and 3, in a preferred embodiment, the vibration motor further includes elastic supporting members 4 for suspending and supporting the vibration member 2 in the receiving space 10 and providing elastic restoring force for the vibration member 2, wherein the elastic supporting members 4 are disposed on two opposite sides of the mass 21 along the axis of the coil 313.
The elastic support member 4 can stably suspend and support the vibrator 2 in the receiving space 10 when the vibrator 2 vibrates. Meanwhile, the elastic supporting member 4 may restore the vibration member 2 to an initial position (a position before the vibration occurs) when the vibration member 2 stops vibrating.
Referring to fig. 2 and fig. 3, in a preferred embodiment, the elastic supporting member 4 includes two elastic supporting arms 41, each of the elastic supporting arms 41 includes a first fixing arm 411 connected to the side wall 13, a second fixing arm 412 connected to the mass 21, and an elastic arm 413 connecting the first fixing arm 411 and the second fixing arm 412, so as to form the elastic supporting arm 41. The weight 21 is located between the first fixing arm 411 and the second fixing arm 412.
The two first fixing arms 411 of the elastic supporting arm 41 are respectively connected to the side wall 13, and the two second fixing arms 412 of the elastic supporting arm 41 are respectively connected to the mass block 21. The structure of the elastic supporting part 41 and the fixing mode of the elastic supporting part with the vibrating piece 2 and the shell 1 enable the vibrating motor to realize vibration, and the performance of the vibrating motor is improved.
Further, the first fixing arm 411 is connected to the first side plate 131 of the side enclosing plate 13, so as to realize the connection between the elastic supporting arm 41 and the housing 1.
Referring to fig. 2, in a preferred embodiment, one side of the elastic arm 413 close to the second cover plate 12 is recessed in a direction away from the second cover plate 12 to form an escape part 4131, and the vibration motor further includes a limit block 5 disposed on the second cover plate 12 and corresponding to the escape part 4131. The vibration of the vibrating member 2 is limited by the stopper 5 and the avoiding portion 4131.
Referring to fig. 3, in a preferred embodiment, the elastic supporting arm 41 further includes a first soldering lug 414 connecting the first fixing arm 411 and the side enclosure 13, and a second soldering lug 415 connecting the second fixing arm 412 and the mass 21. The first soldering lug 414 and the second soldering lug 415 are arranged, so that the elastic supporting arm 41 is connected with the limiting block 5 and the shell 1.
Referring to fig. 2, 5 and 6, in a preferred embodiment, the axes of the coils 313 of the two fixing elements 31 are collinear to form the fixing element 3.
The utility model provides a vibrating motor, this vibrating motor through inciting somebody to action the paster portion 3141 of circuit board 314 only with magnetic conductive sheet 311 orientation one side of magnet steel 22 is connected, makes magnetic conductive sheet 311 supports circuit board 314, and makes magnetic conductive sheet 311 extends to paster portion 3141 with extension portion 3142's junction, just magnetic conductive sheet 311 with coil 313 wire winding plane vertically side's projection covers completely paster portion 3141 with coil 313 wire winding plane vertically side's projection can effectively avoid the relatively poor phenomenon of adhesion strength's emergence when paster portion 3141 is connected with magnetic conductive sheet 311 and casing 1 simultaneously improves circuit board 314's adhesion strength.
The above embodiments of the present invention are only described, and it should be noted that, for those skilled in the art, modifications can be made without departing from the inventive concept, but these all fall into the protection scope of the present invention.
Claims (10)
1. A vibration motor comprises a shell with an accommodating space, a vibration piece and a fixing piece, wherein the vibration piece and the fixing piece are accommodated in the accommodating space, and the vibration motor is characterized in that: the vibrating piece comprises a mass block and a magnetic steel, the mass block is provided with a containing cavity, the magnetic steel is contained in the containing cavity, the fixing piece comprises a fixing component, the fixing component comprises a magnetic conductive sheet, a wound coil and a circuit board electrically connected with the coil, the circuit board comprises a patch part contained in the containing space and an extension part extending out of the shell, the patch part is located between the magnetic conductive sheet and the magnetic steel and connected with one side, facing the magnetic steel, of the magnetic conductive sheet, and the coil is located between the patch part and the magnetic steel;
the magnetic conduction sheet extends to the joint of the patch part and the extension part.
2. A vibration motor according to claim 1, wherein: the projection of the magnetic conductive sheet in the direction perpendicular to the coil winding plane completely covers the projection of the patch part in the direction perpendicular to the coil winding plane.
3. A vibration motor according to claim 1, wherein: the fixed components are arranged in two, and the two fixed components are oppositely arranged on two sides of the magnetic steel.
4. A vibration motor according to claim 3, wherein: and the outer extension parts of the circuit boards of the two fixing assemblies are electrically connected.
5. The vibration motor according to claim 4, wherein: the extending part of each circuit board is bent towards the direction close to the other circuit board along the direction vertical to the winding plane of the coil.
6. A vibration motor according to claim 3, wherein: the axes of the coils of both said mounting assemblies are collinear.
7. A vibration motor according to claim 3, wherein: the shell comprises a first cover plate, a second cover plate and a side enclosing plate, wherein the second cover plate is opposite to the first cover plate and is arranged at an interval, the side enclosing plate is arranged between the first cover plate and the second cover plate, and the side enclosing plate is connected with the first cover plate and the second cover plate to enclose the accommodating space;
in the two fixing assemblies, one fixing assembly is located between the magnetic steel and the first cover plate, and the other fixing assembly is located between the magnetic steel and the second cover plate.
8. The vibration motor according to claim 7, wherein: the side enclosing plate is provided with a through hole, the extending part extends out of the shell from the through hole, and the magnetic conductive sheet extends towards the direction of the through hole and is at least partially contained in the through hole.
9. A vibration motor according to claim 1, wherein: the fixed component further comprises an iron core, the coil is wound on the iron core, and the iron core is located between the patch part and the magnetic steel.
10. A vibration motor according to claim 1, wherein: the vibration motor further comprises an elastic supporting piece which suspends the vibration piece in the accommodating space and provides elastic restoring force for the vibration piece, and the elastic supporting piece is arranged on two opposite sides of the mass block along the axis of the coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023062001.9U CN214314995U (en) | 2020-12-17 | 2020-12-17 | Vibration motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023062001.9U CN214314995U (en) | 2020-12-17 | 2020-12-17 | Vibration motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214314995U true CN214314995U (en) | 2021-09-28 |
Family
ID=77858501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023062001.9U Expired - Fee Related CN214314995U (en) | 2020-12-17 | 2020-12-17 | Vibration motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214314995U (en) |
-
2020
- 2020-12-17 CN CN202023062001.9U patent/CN214314995U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210928 |