CN214504980U - Striking type electromagnetic buzzer - Google Patents
Striking type electromagnetic buzzer Download PDFInfo
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- CN214504980U CN214504980U CN202022743069.7U CN202022743069U CN214504980U CN 214504980 U CN214504980 U CN 214504980U CN 202022743069 U CN202022743069 U CN 202022743069U CN 214504980 U CN214504980 U CN 214504980U
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- Prior art keywords
- fixed
- piece
- electromagnet piece
- rod
- side wall
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- 239000002184 metal Substances 0.000 claims abstract description 51
- 229910052751 metal Inorganic materials 0.000 claims abstract description 51
- 230000000903 blocking effect Effects 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 20
- 229910052742 iron Inorganic materials 0.000 abstract description 10
- 210000000056 organ Anatomy 0.000 abstract description 3
- 238000010009 beating Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
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- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The utility model relates to a bee calling organ technical field, and a strike formula electromagnetism bee calling organ is disclosed, including tube-shape metal casing, a power supply, a motor, first fixed electromagnetism iron piece, the fixed electromagnetism iron piece of second, the portable electromagnetism iron piece, the conducting rod, the conductive joint, conductive contact and strike the iron hammer, power and motor all set up in tube-shape metal casing's center department, conducting rod and conductive joint set up on the output shaft of motor, the portable electromagnetism iron piece is to encircle and sets up in tube-shape metal casing's inside edge and be connected with tube-shape metal casing's inside wall through elastic mechanism, strike the iron hammer fixed set up on the lateral wall of portable electromagnetism iron piece, the outside that the inside of tube-shape metal casing is located the motor is equipped with the shift ring, first fixed electromagnetism piece is to encircle fixed surface that sets up in the shift ring. The utility model discloses not only can send crisp sound, can adjust the size of making sound moreover, the practicality is higher.
Description
Technical Field
The utility model relates to a buzzer technical field especially relates to a striking formula electromagnetism buzzer.
Background
The buzzer is an electronic buzzer with an integrated structure, adopts direct current voltage for power supply, and is widely applied to electronic products such as computers, printers, copiers, alarms, electronic toys, automobile electronic equipment, telephones, timers and the like as a sounding device. The buzzer is mainly divided into two types, namely a piezoelectric buzzer and an electromagnetic buzzer. The electromagnetic buzzer comprises an oscillator, an electromagnetic coil, a magnet, a vibrating diaphragm, a shell and the like. After the power supply is switched on, the audio signal current generated by the oscillator passes through the electromagnetic coil, so that the electromagnetic coil generates a magnetic field. The vibrating diaphragm periodically vibrates to produce sound under the interaction of the electromagnetic coil and the magnet.
Among them, patent No. CN203746415U discloses a striking type electromagnetic buzzer. The utility model discloses a striking formula electromagnetism buzzer, including tube-shape metal casing, characterized by: the inside of tube-shape metal casing be provided with the annular support of two axle centers and tube-shape metal casing axle center coincidence, wherein be provided with a set of electromagnetism iron piece on the annular support near tube-shape metal casing's axle center position, have conductive contact on every electromagnet iron piece, be close to tube-shape metal casing's the annular support of inner wall on articulated a set of striking hammer, strike hammer stem middle part of hammer through the spring with tube-shape metal casing's inner wall connect, tube-shape metal casing's the rotatory power supply contact of axle center installation.
Although the scheme can produce crisp sound, the beating force of the beating hammer cannot be changed, so that the beating sound cannot be adjusted, and the using effect is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving among the prior art although can send crisp sound, but strike the dynamics of beating of hammer and can not change to make the sound size of pounding unadjustable, reduced the problem of result of use, and a striking formula electromagnetic buzzer who proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a striking type electromagnetic buzzer comprises a cylindrical metal shell, a power supply, a motor, a first fixed electromagnet piece, a second fixed electromagnet piece, a movable electromagnet piece, a conductive rod, a conductive joint, a conductive contact and a striking hammer, wherein the power supply and the motor are arranged at the center of the cylindrical metal shell, the conductive rod and the conductive joint are arranged on an output shaft of the motor, the movable electromagnet piece is arranged at the edge of the inside of the cylindrical metal shell in a surrounding manner and is connected with the inner side wall of the cylindrical metal shell through an elastic mechanism, the striking hammer is fixedly arranged on the side wall of the movable electromagnet piece, a movable ring is arranged at the outer side of the motor in the inside of the cylindrical metal shell, the first fixed electromagnet piece is fixedly arranged on the surface of the movable ring in a surrounding manner, the second fixed electromagnet piece is fixedly arranged above the first fixed electromagnet piece and is not in contact with the first fixed electromagnet piece, the conductive contact respectively fixed set up in on the inside wall of first fixed electromagnet piece and the fixed electromagnet piece of second, the fixed gag lever post that is equipped with a plurality of evenly distributed of circumference wall of shifting ring, the lateral wall of tube-shape metal casing is seted up and is used for spacing mouth that the gag lever post stretches out is a plurality of the gag lever post with all be equipped with fixed establishment between the tube-shape metal casing.
Preferably, the elastic mechanism comprises a sliding block, a sliding rod and a spring, the sliding block is fixedly arranged on two sides of the moving electromagnet piece, the sliding rod is fixedly arranged on the inner side wall of the cylindrical metal shell and located on two sides of the moving electromagnet piece, the side wall of the sliding block is in sliding connection with the rod wall of the sliding rod through a sliding hole, the spring is movably sleeved on the rod wall of the sliding rod, and two ends of the spring are respectively fixedly connected with the side wall of the sliding block and the inner side wall of the cylindrical metal shell.
Preferably, the end part of the sliding rod is fixedly provided with a limit stop used for limiting the sliding block.
Preferably, the fixing mechanism comprises a fixed spiral ring, a rotating ring and a blocking ring, the blocking ring is fixedly arranged on the rod wall of the limiting rod and is in contact with the inner side wall of the cylindrical metal shell, the rod wall of the limiting rod is provided with external threads, the fixed spiral ring is in threaded arrangement with the limiting rod through the external threads, and the rotating ring is fixedly arranged on the side wall of the fixed spiral ring.
Preferably, a fixing column is arranged between the first fixed electromagnet piece and the second fixed electromagnet piece, and the first fixed electromagnet piece and the second fixed electromagnet piece are fixedly connected through the fixing column.
Preferably, the number of turns of the coil on the first fixed electromagnet piece is greater than the number of turns of the coil on the second fixed electromagnet piece.
Compared with the prior art, the utility model provides a striking formula electromagnetism buzzer possesses following beneficial effect:
1. this strike formula electromagnetism bee calling organ, through the shift ring that is equipped with, first fixed electromagnet piece, fixed electromagnet piece of second and gag lever post, can adjust the shift ring and reciprocate in tube-shape metal casing's inside, thereby make first fixed electromagnet piece and the fixed electromagnet piece of second and remove the electromagnet piece and switch over the alignment each other, because the coil number of turns on the first fixed electromagnet piece is greater than the coil number of turns on the fixed electromagnet piece of second, thereby when circular telegram for first fixed electromagnet piece and the fixed electromagnet piece of second, can produce the magnetic attraction of variation in size, can make the distance that removes the electromagnet piece different, finally make the dynamics that strikes the iron hammer and beat on tube-shape metal casing different, can send the clear and brittle sound of variation in size.
2. This strike formula electromagnetism buzzer through fixed spiro, rotating ring and the fender ring that is equipped with, can avoid the switch-on influence between first fixed electromagnet piece and the second fixed electromagnet piece through the fixed column that is equipped with the inside at tube-shape metal casing of fixing of shifting ring stability.
The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses not only can send crisp sound, can adjust the size of making sound moreover, the practicality is higher.
Drawings
Fig. 1 is a schematic structural view of a striking-type electromagnetic buzzer provided by the present invention;
fig. 2 is an enlarged view of a portion a of fig. 1.
In the figure: the device comprises a cylindrical metal shell 1, a power supply 2, a motor 3, a first fixed electromagnet piece 4, a second fixed electromagnet piece 5, a movable electromagnet piece 6, a conductive rod 7, a conductive joint 8, a striking hammer 9, a conductive contact 10, a movable ring 11, a limiting rod 12, a sliding block 13, a sliding rod 14, a spring 15, a fixed spiral ring 16, a rotating ring 17, a retaining ring 18 and a fixed column 19.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-2, a striking type electromagnetic buzzer comprises a cylindrical metal housing 1, a power supply 2, a motor 3, a first fixed electromagnet piece 4, a second fixed electromagnet piece 5, a moving electromagnet piece 6, a conductive rod 7, a conductive joint 8, a conductive contact 10 and a striking hammer 9, wherein the power supply 2 and the motor 3 are both arranged at the center of the cylindrical metal housing 1, the conductive rod 7 and the conductive joint 8 are arranged on an output shaft of the motor 3, the moving electromagnet piece 6 is arranged around the inner edge of the cylindrical metal housing 1 and is connected with the inner side wall of the cylindrical metal housing 1 through an elastic mechanism, the striking hammer 9 is fixedly arranged on the side wall of the moving electromagnet piece 6, a moving ring 11 is arranged on the outer side of the motor 3 in the cylindrical metal housing 1, the first fixed electromagnet piece 4 is fixedly arranged on the surface of the moving ring 11, the second fixed electromagnet piece 5 is fixedly arranged above the first fixed electromagnet piece 4 and is not contacted with the first fixed electromagnet piece, the conductive contact 10 is respectively and fixedly arranged on the inner side walls of the first fixed electromagnet piece 4 and the second fixed electromagnet piece 5, the circumferential wall of the moving ring 11 is fixedly provided with a plurality of uniformly distributed limiting rods 12, the side wall of the cylindrical metal shell 1 is provided with a limiting opening for the limiting rods 12 to extend out, and a fixing mechanism is arranged between the limiting rods 12 and the cylindrical metal shell 1.
The elastic mechanism comprises a sliding block 13, a sliding rod 14 and a spring 15, the sliding block 13 is fixedly arranged on two sides of the moving electromagnet piece 6, the sliding rod 14 is fixedly arranged on the inner side wall of the cylindrical metal shell 1 and located on two sides of the moving electromagnet piece 6, the side wall of the sliding block 13 is in sliding connection with the rod wall of the sliding rod 14 through a sliding hole, the spring 15 is movably sleeved on the rod wall of the sliding rod 14, two ends of the spring 15 are fixedly connected with the side wall of the sliding block 13 and the inner side wall of the cylindrical metal shell 1 respectively, a limit stop used for limiting the sliding block 13 is fixedly arranged at the end part of the sliding rod 14, and the sliding block 13, the sliding rod 14 and the spring 15 can enable the moving electromagnet piece 6 to restore to the initial position and enable the striking hammer 9 to strike the cylindrical metal shell 1 to make a sound.
The fixing mechanism comprises a fixing spiral ring 16, a rotating ring 17 and a blocking ring 18, the blocking ring 18 is fixedly arranged on the rod wall of the limiting rod 12 and is in contact with the inner side wall of the cylindrical metal shell 1, the rod wall of the limiting rod 12 is provided with external threads, the fixing spiral ring 16 is in threaded arrangement with the limiting rod 12 through the external threads, and the rotating ring 17 is fixedly arranged on the side wall of the fixing spiral ring 16.
Be equipped with fixed column 19 between first fixed electromagnet piece 4 and the second fixed electromagnet piece 5, through fixed column 19 fixed connection between first fixed electromagnet piece 4 and the second fixed electromagnet piece 5, can avoid putting through the interference between first fixed electromagnet piece and the second fixed electromagnet piece.
The number of turns of the coil on the first fixed electromagnet piece 4 is greater than that of the coil on the second fixed electromagnet piece 5, and when the first fixed electromagnet piece 4 and the second fixed electromagnet piece 5 are electrified, magnetic attraction forces with different sizes can be generated, so that the distances of the movable electromagnet pieces 6 to be attracted are different, and finally, the force of the hammer 9 to beat on the cylindrical metal shell 1 is different.
In the utility model, when sounds with different sizes are required to be emitted, the rotating ring 17 is twisted by the hand of the worker to fix the screw ring 16 and release the fixing between the limiting rod 12 and the cylindrical metal casing 1, then the moving ring 11 can be adjusted to move up and down in the cylindrical metal casing 1, so that the first fixed electromagnet piece 4 and the second fixed electromagnet piece 5 are mutually switched and aligned with the moving electromagnet piece 6, the motor 3 is opened to work, so that the conductive joint 8 is contacted with the conductive contact 10 on the first fixed electromagnet piece 4 or the second fixed electromagnet piece 5, because the number of turns of the coil on the first fixed electromagnet piece 4 is greater than that on the second fixed electromagnet piece 5, when the first fixed electromagnet piece 4 and the second fixed electromagnet piece 5 are electrified, magnetic attraction with different sizes can be generated, the attraction distances of the moving electromagnet piece 6 are different, finally, the force of the striking hammer 9 striking the cylindrical metal shell 1 is different, and accordingly different crisp sounds can be generated.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A striking type electromagnetic buzzer comprises a cylindrical metal shell (1), a power supply (2), a motor (3), a first fixed electromagnet piece (4), a second fixed electromagnet piece (5), a movable electromagnet piece (6), a conductive rod (7), a conductive joint (8), a conductive contact (10) and a striking hammer (9), and is characterized in that the power supply (2) and the motor (3) are arranged at the center of the cylindrical metal shell (1), the conductive rod (7) and the conductive joint (8) are arranged on an output shaft of the motor (3), the movable electromagnet piece (6) is arranged at the inner edge of the cylindrical metal shell (1) in a surrounding manner and is connected with the inner side wall of the cylindrical metal shell (1) through an elastic mechanism, and the striking hammer (9) is fixedly arranged on the side wall of the movable electromagnet piece (6), the inside of tube-shape metal casing (1) is located the outside of motor (3) is equipped with shift ring (11), first fixed electromagnetism piece (4) be around fixed set up in the surface of shift ring (11), second fixed electromagnetism piece (5) fixed set up in the top of first fixed electromagnetism piece (4) and not contact the setting, electrically conductive contact (10) fixed respectively set up in on the inside wall of first fixed electromagnetism piece (4) and second fixed electromagnetism piece (5), the fixed gag lever post (12) that are equipped with a plurality of evenly distributed of circumference wall of shift ring (11), the lateral wall of tube-shape metal casing (1) is seted up and is used for spacing mouthful that gag lever post (12) are stretched out is a plurality of gag lever post (12) with all be equipped with fixed establishment between tube-shape metal casing (1).
2. The striking type electromagnetic buzzer according to claim 1, wherein the elastic mechanism comprises a slider (13), a sliding rod (14) and a spring (15), the slider (13) is fixedly arranged at two sides of the moving electromagnet piece (6), the sliding rod (14) is fixedly arranged at the inner side wall of the cylindrical metal shell (1) and located at two sides of the moving electromagnet piece (6), the side wall of the slider (13) is slidably connected with the rod wall of the sliding rod (14) through a sliding hole, the spring (15) is movably sleeved on the rod wall of the sliding rod (14), and two ends of the spring (15) are respectively fixedly connected with the side wall of the slider (13) and the inner side wall of the cylindrical metal shell (1).
3. A striking electromagnetic buzzer as claimed in claim 2, characterised in that said slide bar (14) has a limit stop fixed to its end for limiting said slide (13).
4. The striking type electromagnetic buzzer according to claim 1, wherein the fixing mechanism comprises a fixing spiral ring (16), a rotating ring (17) and a blocking ring (18), the blocking ring (18) is fixedly arranged on the rod wall of the limiting rod (12) and is in contact with the inner side wall of the cylindrical metal shell (1), the rod wall of the limiting rod (12) is provided with an external thread, the fixing spiral ring (16) is in threaded arrangement with the limiting rod (12) through the external thread, and the rotating ring (17) is fixedly arranged on the side wall of the fixing spiral ring (16).
5. A striking-type electromagnetic buzzer as claimed in claim 1, wherein a fixing post (19) is provided between said first fixed electromagnet piece (4) and said second fixed electromagnet piece (5), and said first fixed electromagnet piece (4) and said second fixed electromagnet piece (5) are fixedly connected through said fixing post (19).
6. A hammer-type electromagnetic buzzer as claimed in claim 1, wherein the number of turns of the coil on said first fixed electromagnet piece (4) is greater than the number of turns of the coil on said second fixed electromagnet piece (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022743069.7U CN214504980U (en) | 2020-11-24 | 2020-11-24 | Striking type electromagnetic buzzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022743069.7U CN214504980U (en) | 2020-11-24 | 2020-11-24 | Striking type electromagnetic buzzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214504980U true CN214504980U (en) | 2021-10-26 |
Family
ID=78206237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022743069.7U Expired - Fee Related CN214504980U (en) | 2020-11-24 | 2020-11-24 | Striking type electromagnetic buzzer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214504980U (en) |
-
2020
- 2020-11-24 CN CN202022743069.7U patent/CN214504980U/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 |
Granted publication date: 20211026 |