CN108597487B - Spring plate pin structure, buzzer and production method of buzzer - Google Patents
Spring plate pin structure, buzzer and production method of buzzer Download PDFInfo
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- CN108597487B CN108597487B CN201810725895.3A CN201810725895A CN108597487B CN 108597487 B CN108597487 B CN 108597487B CN 201810725895 A CN201810725895 A CN 201810725895A CN 108597487 B CN108597487 B CN 108597487B
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- 239000000919 ceramic Substances 0.000 claims abstract description 16
- 229910052751 metal Inorganic materials 0.000 claims description 24
- 239000002184 metal Substances 0.000 claims description 24
- 239000000758 substrate Substances 0.000 claims description 18
- 238000007493 shaping process Methods 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 3
- 230000010355 oscillation Effects 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 abstract description 5
- 238000013459 approach Methods 0.000 abstract description 2
- 230000007547 defect Effects 0.000 description 3
- 230000002950 deficient Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 241000276425 Xiphophorus maculatus Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
- G10K9/18—Details, e.g. bulbs, pumps, pistons, switches or casings
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
- G10K9/12—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated
- G10K9/122—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated using piezoelectric driving means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
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- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Manufacturing Of Electrical Connectors (AREA)
Abstract
The invention discloses a spring plate pin structure, a buzzer and a production method of the buzzer, which relate to electronic and electric products and aim at the problem that a contact terminal can greatly resist pressure to a buzzer to influence the vibration and sounding of the buzzer; the first pin comprises a first input end arranged on the bottom cover and a first vibrating spring piece which is fixed with the first input end and extends to be in contact with the ceramic chip in a spiral mode. The first vibration spring plate approaches the ceramic plate in a spiral extending mode, then contacts the ceramic plate of the buzzer, the spiral mode has good elasticity, the blocking force to the buzzer is smaller when the buzzer vibrates, the influence to the vibration amplitude and the vibration frequency of the buzzer is small, and therefore the buzzer is supported to have a larger range of vibration amplitude and vibration frequency.
Description
Technical Field
The invention relates to an electronic and electric product, in particular to a spring plate pin structure, a buzzer and a production method of the buzzer.
Background
The piezoelectric buzzer is one electroacoustic transducer with silver coating on the surface of piezoelectric material, and after polarization treatment, the piezoelectric material is adhered to metal sheet to form piezoelectric buzzer.
For example, chinese patent publication No. CN203910259U discloses a piezoelectric buzzer structure and an electronic device, which includes: upper cover, lower cover, encapsulation are in the buzzing piece in the cavity that upper cover and lower cover constitute to and the contact terminal subassembly of cartridge on the lower cover, contact terminal subassembly includes: the device comprises a flat contact terminal and a cylindrical terminal pin, wherein one end of the contact terminal is fixedly connected with the terminal pin, and the other end of the contact terminal stretches into a cavity formed by the upper cover and the lower cover to be in contact with the buzzer.
The piezoelectric buzzer structure can enable the cutting of the terminal pins to be simpler and more convenient, but the contact terminals are flat, the flat surfaces which are contacted with the piezoelectric buzzer structure directly abut against the buzzer, when the buzzer vibrates, the buzzer tends to vibrate towards the direction close to the contact terminals, and because of the larger abutting surfaces of the contact terminals and the shape structure which is harder to deform, the piezoelectric buzzer structure can not prevent the buzzer from blocking the vibrating abutting force of the buzzer, and the resonance amplitude and the resonance frequency of the buzzer are affected, so that the piezoelectric buzzer structure still has room for improvement.
Disclosure of Invention
Aiming at the defects existing in the prior art, the first object of the invention is to provide a spring pin structure which has the advantage of small influence on the resonance amplitude and the resonance frequency of a buzzer.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a spring plate pin structure comprises a first pin which is in contact with a ceramic plate in the center of a buzzer and a second pin which is in contact with the outer edge of a metal substrate of the buzzer; the first pin comprises a first input end arranged on the bottom cover and a first vibrating spring piece which is fixed with the first input end and extends to be in contact with the ceramic chip in a spiral shape.
By adopting the technical scheme, one end of the first vibrating spring piece is fixed with the first input end, and the first input end is clamped on the bottom cover, so that the first vibrating spring piece and the bottom cover are fixed, the other end of the first vibrating spring piece approaches to the ceramic plate in a spiral extending mode and then contacts with the ceramic plate of the buzzer, the spiral mode of the first vibrating spring piece has better elasticity, the blocking force on the buzzer is smaller when the buzzer vibrates, the vibration amplitude and the vibration frequency of the buzzer are less influenced, in addition, the contact position of the second pin and the buzzer is the outer edge of the metal substrate, the contact of the minimum range of the edge position of the metal substrate further reduces the influence on the vibration of the buzzer, and the buzzer is supported to have larger vibration amplitude and vibration frequency.
Preferably, the first oscillation elastic sheet gradually changes from wide to narrow from the first input end to the contact end with the ceramic sheet.
By adopting the technical scheme, the more the first vibration elastic sheet is close to the ceramic plate, the more sharp the position is, the smaller the elastic coefficient is, the smaller the elastic force is, so that the blocking to the vibration of the buzzer is smaller, and the wider the first vibration elastic sheet is in the direction far away from the ceramic plate, the larger the vibration amplitude of the buzzer is, the larger the elastic force of the first vibration elastic sheet is, and the vibration amplitude and the frequency of the buzzer are limited in a required range.
Preferably, the second pin comprises a second input end arranged on the bottom cover, and a second vibrating spring piece, wherein one end of the second vibrating spring piece is fixed with the second input end, and the other end of the second vibrating spring piece obliquely extends to be propped against the outer edge of the metal substrate.
By adopting the technical scheme, one end of the second vibration starting elastic piece is fixed with the second input end, and the second input end is clamped on the bottom cover, so that the second vibration starting elastic piece is fixed with the bottom cover, the other end of the second vibration starting elastic piece is close to the buzzer in an inclined mode and then contacts with the metal substrate, the inclined mode has good elasticity and buffering performance, the blocking force on the buzzer is smaller when the buzzer vibrates, the vibration amplitude and the resonance frequency influence on the buzzer are small, and the buzzer is supported to have larger vibration amplitude and resonance frequency.
Preferably, the second vibration starting spring plate gradually changes from the second input end to the contact end with the metal substrate from wide to narrow.
By adopting the technical scheme, the contact area of the second vibration starting elastic sheet and the metal substrate is reduced, so that the influence of the second vibration starting elastic sheet on the vibration of the buzzer is reduced.
Preferably, the second vibration starting spring plate is connected with a sharp needle part bent towards the direction of the metal substrate.
By adopting the technical scheme, the second vibration starting elastic sheet is bent towards the metal substrate near the sharp needle part of the buzzer, so that the contact surface which is inclined originally with the buzzer is converted into the contact needle end with smaller area, and the influence on the vibration of the buzzer is smaller.
Preferably, the thickness of the first vibration starting sheet and/or the thickness of the second vibration starting sheet are/is 0.18-0.25 mm.
By adopting the technical scheme, the first vibration starting sheet and the second vibration starting sheet can be guaranteed to have good strength in the thickness range, and the actual vibration amplitude and frequency needs can be supported through different thicknesses, so that more actual demands are met.
Preferably, the first oscillation elastic sheet is integrally connected with the first input end; and/or
The second vibration starting elastic sheet is integrally connected with the second input end.
By adopting the technical scheme, the mode of integral connection is more stable, the production process is simple, and the cost is saved.
In view of the shortcomings of the prior art, a second object of the present invention is to provide a buzzer with advantages of small influence on the vibration amplitude and the vibration frequency of the buzzer.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a buzzer comprises the elastic sheet pin structure.
By adopting the technical scheme, the elastic piece pin structure has small influence on the amplitude and the frequency of the resonance of the buzzer, and can support different amplitudes and frequencies of the resonance according to the requirement.
Preferably, the portable electronic device further comprises a bottom cover, wherein a first clamping groove for inserting the first input end and then clamping the first input end and a second clamping groove for inserting the second input end and then clamping the second input end are arranged on the bottom cover, and the extending direction of the first clamping groove and the extending direction of the second clamping groove are in the same straight line.
By adopting the technical scheme, the first input end and the second input end are flat platy, when the first input end and the second input end are respectively inserted into the first clamping groove or the second clamping groove, the extending directions of the first clamping groove and the second clamping groove are on the same straight line, so that the flat directions of the first input end and the second input end can be on the same straight line, when the two input ends are sheared, the cutter acts on the same plane, no torque force exists for the two input ends, the two input ends cannot be damaged, and the shearing is stable and convenient.
Aiming at the defects existing in the prior art, the third object of the invention is to provide a buzzer production method, which has the advantage of small influence on the resonance amplitude and the resonance frequency of a buzzer.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a buzzer production method is used for producing the buzzer, and comprises the following steps of
Designing a stamping die according to the shapes and the sizes of the first pin and the second pin;
stamping a sheet metal into an initial shape of the first pin and the second pin using the stamping die, the initial shape corresponding to: the first vibration starting elastic sheet is integrally connected with the first input pin and is positioned in the same plane, the second vibration starting elastic sheet is integrally connected with the second input pin and is positioned in the same plane, and the shape and the bending angle of the sharp needle part are simultaneously formed by punching;
clamping the first pin into a first clamping groove of the bottom cover, and clamping the second pin into a second clamping groove of the bottom cover;
the first vibration elastic piece of the first pin is bent for spiral shaping, and the second vibration elastic piece of the second pin is bent for angle shaping;
the buzzer is arranged in the resonance cavity of the top cover;
the top cover and the bottom cover are covered for clamping assembly.
By adopting the technical scheme, the first pin and the second pin are machined in a stamping mode, the vibrating spring plate and the input end with different shapes, sizes and thicknesses can be obtained through integrated forming, the steps are simple, the production efficiency is high, the vibrating spring plate and the input end are integrally connected, the stability is good, the first pin and the second pin are respectively assembled on the bottom cover, then the first pin and the second pin are bent, the production and assembly difficulty is low, and the production efficiency is further improved.
Aiming at the defects existing in the prior art, the fourth object of the invention is to provide an electric appliance, which has the advantage that the pin structure of the buzzer has little influence on the resonance amplitude and the resonance frequency of the buzzer.
In order to achieve the above purpose, the present invention provides the following technical solutions:
an electrical appliance comprising a buzzer as described above.
By adopting the technical scheme, the buzzer has good buzzing effect, stable work and convenient assembly.
In summary, the invention has the following beneficial effects:
1. the spring plate pin structure has small influence on the resonance amplitude and the resonance frequency of the buzzer, and supports the buzzer to have a larger range of resonance amplitude and resonance frequency;
2. the second vibration starting elastic sheet is provided with a sharp needle part bent towards the direction close to the buzzer, so that the contact area with the buzzer is reduced, and the influence on the vibration of the buzzer is small when the buzzer vibrates;
3. the first vibration starting spring plate and the second vibration starting spring plate are gradually widened towards the direction away from the buzzer, and when the vibration amplitude is larger, the elasticity of the first vibration starting spring plate and the second vibration starting spring plate is larger, so that the vibration amplitude and the frequency of the buzzer are limited in a required range.
Drawings
Fig. 1 is a schematic view showing the structure of the top of the buzzer according to the present invention;
fig. 2 is a schematic view showing the structure of the bottom of the buzzer according to the present invention;
FIG. 3 is a schematic diagram of a spring pin structure according to the present invention;
FIG. 4 is a schematic view of the bottom cover of the present invention;
FIG. 5 is a schematic diagram illustrating initial states of a first pin and a second pin according to the present invention;
fig. 6 is a flow chart of the production method of the buzzer in the invention.
In the figure: 1. a first pin; 11. a first input; 12. a first vibrating spring plate; 13. a first clamping position; 2. a second pin; 21. a second input terminal; 22. a second vibration starting spring plate; 221. a sharp needle portion; 23. a second clamping position; 3. a bottom cover; 31. a positioning block; 32. a conveying trough; 33. a receiving groove; 34. disassembling the hole; 35. a first clamping groove; 36. a second clamping groove; 37. installing a clamping position; 38. a base table; 39. supporting feet; 4. a buzzer; 41. a metal substrate; 42. a ceramic sheet; 5. a top cover; 51. a positioning groove; 52. slotting; 53. a dismantling groove; 54. a mounting base; 55. and (5) installing a clamping groove.
Detailed Description
The detailed description set forth below in connection with the appended drawings is intended as a description of various embodiments of the present invention and is not intended to represent the only embodiments in which the present invention may be practiced. The detailed description includes specific details for the purpose of providing a thorough understanding of the present invention. However, it will be apparent to one skilled in the art that the present invention may be practiced without these specific details.
Example 1
Referring to fig. 1, the buzzer comprises a bottom cover 3, a top cover 5, a buzzer 4 encapsulated in a resonance cavity formed by the top cover 5 and the bottom cover 3, and a spring plate pin structure clamped on the bottom cover 3, wherein the spring plate pin structure is contacted with the buzzer 4 and is used for powering on the buzzer 4.
Referring to fig. 1 and 2, the spring pin structure includes a first pin 1 and a second pin 2 respectively contacting a buzzer 4, and the buzzer 4 includes a metal substrate 41 that can be clamped in the bottom cover 3 and a ceramic sheet 42 fixed at the center of the metal substrate 41. The first pin 1 includes a first input terminal 11 mounted on the bottom cover 3 and a first vibrating reed 12 fixed to the first input terminal 11. The first input end 11 is integrally connected with the first vibrating spring piece 12, and is integrally formed by a flat sheet-shaped metal belt through a hardware stamping process, and the thickness of the first input end 11 is 0.35-0.6 mm.
Referring to fig. 2 and 3, the end of the first vibrating spring plate 12 far from the first input end 11 extends spirally to be in contact with the ceramic plate 42 of the buzzer 4, the spiral angle is 90 degrees, and the spiral diameter is 0.3mm. The first vibration elastic sheet 12 gradually changes from wide to narrow from the end close to the first input end 11 to the end contacted with the buzzer 4, the narrowest end is approximately needle-shaped, and the thickness of the first vibration elastic sheet 12 is 0.18-0.25 mm.
In addition, the joint of the first vibration elastic sheet 12 and the first input end 11 is also integrally connected with a first clamping position 13 for clamping on the bottom cover 3, the first clamping position 13 comprises two cards with the same size which are arranged in parallel relatively, and one side of each card, far away from the vibration pin, is in a saw-tooth shape.
The second pin 2 comprises a second input end 21 and a second vibration starting elastic sheet 22, wherein the second input end 21 is arranged on the bottom cover 3, one end of the second input end is fixed with the second input end 21, the other end of the second input end is obliquely extended to the second vibration starting elastic sheet 22 propped against the outer edge of the metal substrate 41, a second clamping position 23 clamped on the bottom cover 3 is integrally connected at the joint of the second input end 21 and the second vibration starting elastic sheet 22, the second clamping position 23 comprises two cards with the same size, which are relatively arranged in parallel, and one side of each card, which is far away from the vibration starting pin, is in a saw-tooth shape.
The second vibration starting elastic sheet 22 is integrally connected with the second input end 21, the second vibration starting elastic sheet 22 and the second input end 21 are integrally formed by a flat sheet-shaped metal belt through a hardware stamping process, and the thickness of the second input end 21 is 0.35-0.6 mm.
The second vibration starting elastic sheet 22 gradually changes from wide to narrow from one end close to the supporting pin to the contact end with the buzzer 4 to needle shape, and the second vibration starting elastic sheet 22 is provided with a sharp needle part 221 bent towards the direction of the metal substrate 41, so that only the needle-shaped end of the vibration starting elastic sheet contacts with the buzzer 4, and the thickness of the second vibration starting elastic sheet 22 is 0.18-0.25 mm.
Referring to fig. 1 and 4, the circumferential side edge of the bottom cover 3 is provided with a mounting clamping position 37, and the mounting clamping position 37 is annular and surrounds the side edge of the bottom cover 3 for one circle, and can be clamped into the top cover 5 to fix the bottom cover 3 and the top cover 5. In addition, the side edge in the circumferential direction of the bottom cover 3 is also provided with a positioning block 31, a conveying groove 32, a dismounting hole 34 and a containing groove 33 in sequence. Wherein the positioning block 31 is a block shape protruding outwards and is used for being mounted on the top cover 5. The conveying grooves 32 are provided with a pair for being clamped on the track of the vibrating conveyor, so that the conveying of automatic production is facilitated. The disassembly hole 34 is used for inserting a tool into the disassembly hole 34 to prop out the top cover 5 for disassembly after the top cover 5 and the bottom cover 3 are installed. The accommodating groove 33 is used for providing an extending space for the vibrating spring plate to extend obliquely.
In addition, the bottom cover 3 is further provided with a first clamping groove 35 for inserting and clamping the first clamping position 13 and a second clamping groove 36 for inserting and clamping the second clamping position 23, the first clamping groove 35 and the second clamping groove 36 penetrate through the upper portion and the lower portion of the bottom cover 3, the first clamping groove 35 and the second clamping groove 36 are symmetrical with respect to the round point of the bottom cover 3, and the extending directions of the first clamping groove 35 and the second clamping groove 36 are on the same straight line.
Referring to fig. 2, the bottom of the bottom cover 3 is provided with a pair of bottom tables 38, and the bottom tables 38 are respectively provided around the first and second clamping grooves 35, 36 to protrude outward for supporting the bottom cover 3. In addition, the bottom of the bottom cover 3 is also provided with two supporting legs 39 extending outwards, and the connecting line between the supporting legs 39 is perpendicular to the connecting line between the bottom tables 38, so that the bottom cover 3 can be supported in a balanced manner.
The inner side of the top cover 5 is provided with a mounting seat 54 which surrounds the top cover 5, the mounting seat 54 is in a ladder shape for placing and mounting the buzzer 4, the entering side of the buzzer 4 is abutted against the sharp needle part 221 of the first vibrating spring piece 12 and the second vibrating spring piece 22, and in addition, the inner side of the top cover 5 is also provided with a mounting clamping groove 55 which surrounds the top cover 5 for clamping and mounting the mounting clamping position 37 of the bottom cover 3, so that the buzzer 4 is fixed in the mounting seat 54.
The side of the top cover 5 is provided with the positioning groove 51 for the positioning block 31 to be clamped in, and the side is also provided with the grooves 52, in the embodiment, the number of the grooves 52 is four, so that when the buzzer 4 is assembled and the buzzer is arranged on the bottom cover 3, the top cover 5 is provided with an outwards-opened space due to the arrangement of the grooves 52, the assembly is convenient, and the possibility that the top cover 5 is opened and cracked is reduced.
Example 2
A buzzer manufacturing method for manufacturing a buzzer in embodiment 1, referring to fig. 5 and 6, comprising the steps of:
step one: designing corresponding stamping dies according to the shapes and the sizes of the first pin 1 and the second pin 2;
step two: using the stamping die, a sheet metal is stamped into an initial shape of the first pin 1 and the second pin 2, the initial shape corresponding to: the first vibration starting spring piece 12 is integrally connected with the first input pin and is positioned in the same plane, the second vibration starting spring piece 22 is integrally connected with the second input pin and is positioned in the same plane, and the shape and the bending angle of the sharp needle part are formed by stamping at the same time;
step three: the first pin 1 is clamped into the first clamping groove 35 of the bottom cover 3, and the second pin 2 is clamped into the second clamping groove 36 of the bottom cover 3;
step four: the first vibration elastic sheet 12 of the first pin 1 is bent for spiral shaping, and the second vibration elastic sheet 22 of the second pin 2 is bent for angle shaping;
step five: the buzzer 4 is arranged in the resonance cavity of the top cover 5;
step six: the top cover 5 and the bottom cover 3 are covered for clamping assembly.
Step seven: detecting sound pressure and capacitance of the buzzer, finishing production of qualified products, and keeping unqualified products to be judged;
step eight: when the defective product to be repaired is judged, the top cover 5 and the bottom cover 3 are pried open by inserting a tool into the dismounting hole 34 of the defective product, the product is overhauled, and after the product is overhauled to be qualified, the step six is repeated to finish the production.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the present invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.
Claims (12)
1. A spring plate pin structure is characterized in that: comprises a first pin (1) which is contacted with a ceramic sheet (42) in the center of a buzzer (4), and a second pin (2) which is contacted with the outer edge of a metal substrate (41) of the buzzer (4); the first pin (1) comprises a first input end (11) arranged on the bottom cover (3), and a first vibrating spring plate (12) which is fixed with the first input end (11) and spirally extends to be in contact with the ceramic plate (42).
2. The spring pin structure of claim 1, wherein: the first vibrating spring plate (12) gradually changes from wide to narrow from the first input end (11) to the contact end with the ceramic plate (42).
3. The spring pin structure of claim 1, wherein: the second pin (2) comprises a second input end (21) arranged on the bottom cover (3), and a second vibration starting spring piece (22) with one end fixed with the second input end (21) and the other end obliquely extending to be propped against the outer edge of the metal substrate (41).
4. A spring pin structure according to claim 3, wherein: the second vibration starting spring piece (22) gradually changes from the second input end (21) to the contact end with the metal substrate (41) from wide to narrow.
5. A spring pin structure according to claim 3, wherein: the second vibrating spring piece (22) is connected with a sharp needle part (221) bent towards the direction of the metal substrate (41).
6. The spring pin structure according to any one of claims 3 to 5, wherein: the first oscillation elastic sheet is integrally connected with the first input end; and/or the second vibration starting elastic sheet is integrally connected with the second input end.
7. A buzzer, characterized in that: comprising a spring pin structure according to any one of claims 1 to 4, 6.
8. The buzzer of claim 7, wherein: the portable electronic device is characterized by further comprising a bottom cover (3), wherein a first clamping groove (35) for inserting the first input end (11) and then clamping the first input end is arranged on the bottom cover (3), and a second clamping groove (36) for inserting the second input end (21) and then clamping the second input end are arranged on the bottom cover, and the extending direction of the first clamping groove (35) and the extending direction of the second clamping groove (36) are on the same straight line.
9. A buzzer, characterized in that: comprising the spring pin structure of claim 5.
10. The buzzer of claim 9, wherein: the portable electronic device is characterized by further comprising a bottom cover (3), wherein a first clamping groove (35) for inserting the first input end (11) and then clamping the first input end is arranged on the bottom cover (3), and a second clamping groove (36) for inserting the second input end (21) and then clamping the second input end are arranged on the bottom cover, and the extending direction of the first clamping groove (35) and the extending direction of the second clamping groove (36) are on the same straight line.
11. A buzzer production method for producing a buzzer as claimed in claim 9 or 10, characterised in that: comprises a stamping die designed according to the shape and the size of a first pin (1) and a second pin (2);
stamping a sheet metal into an initial shape of the first pin (1) and the second pin (2) using the stamping die, the initial shape corresponding to: the first vibration starting spring piece (12) is integrally connected with the first input pin and is positioned in the same plane, the second vibration starting spring piece (22) is integrally connected with the second input pin and is positioned in the same plane, and the shape and the bending angle of the sharp needle part (221) are formed by stamping at the same time;
the first pin (1) is clamped into a first clamping groove (35) of the bottom cover (3), and the second pin (2) is clamped into a second clamping groove (36) of the bottom cover (3);
the first vibration elastic sheet (12) of the first pin (1) is bent for spiral shaping, and the second vibration elastic sheet (22) of the second pin (2) is bent for angle shaping;
the buzzer (4) is arranged in the resonance cavity of the top cover (5);
the top cover (5) and the bottom cover (3) are covered for clamping assembly.
12. An electrical appliance, characterized by: a buzzer comprising a buzzer as claimed in any one of claims 7 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810725895.3A CN108597487B (en) | 2018-07-04 | 2018-07-04 | Spring plate pin structure, buzzer and production method of buzzer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810725895.3A CN108597487B (en) | 2018-07-04 | 2018-07-04 | Spring plate pin structure, buzzer and production method of buzzer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108597487A CN108597487A (en) | 2018-09-28 |
| CN108597487B true CN108597487B (en) | 2023-07-07 |
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