High and low frequency sweep vibration motor

Abstract

The utility model provides a high and low frequency sweep vibration motor, which comprises an output shaft, a positioning center shaft is arranged at the lower end of the output shaft, a magnet fixing magnetic conductive ring adhered to the positioning center shaft is sleeved on the positioning center shaft, and two groups of magnets are symmetrically adhered to the outer surface of the magnet fixing magnetic conductive ring. The lower end of the positioning center shaft is sleeved with a vibration sweeping limiting block attached to the magnet fixing magnetic conduction ring, the output shaft is sleeved with a top end positioning block rotationally connected with the output shaft, the lower end of the positioning center shaft is sleeved with a lower end positioning block rotationally connected with the positioning center shaft, and a plastic-coated driving magnetic iron core is installed between the top end positioning block and the lower end positioning block. A plastic-coated iron core cavity frame is installed on the side, far away from the magnet fixing magnetic conductive ring, in the plastic-coated driving magnetic iron core, and a double-wire-core driving coil winding is wound on the plastic-coated iron core cavity frame. The large-torque and low-current double-wire-core driving magnetic iron core has the advantages of being large in torque, low in current, low in noise, adjustable in swing amplitude, long in service life and adjustable and stable in frequency.

Description

TECHNICAL FIELD

[0001] The utility model relates to a high-low frequency sweep vibration motor and belongs to the motor field. BACKGROUND

[0002] At present, the vibration motor and motor on the market basically realize through electromagnetic principle and through spring sheet positioning and its return force, all have the shortcomings of small torque, large noise and small swing, and simultaneously have the shortcomings of short service life and inconsistent spring force due to the material and stress of the spring sheet, and the swing vibration frequency is limited and has the disadvantage of little adjustment change. CONTENT OF THE UTILITY MODEL

[0003] In view of the deficiencies in the prior art, the utility model aims at providing a high-low frequency sweep vibration motor to solve the problems in the background art, and has a large force distance, low current, small noise, adjustable swing, long service life and adjustable and stable frequency.

[0004] In order to realize the above-mentioned purpose, the utility model is realized through the following technical scheme: a high-low frequency sweep vibration motor, comprising an output shaft, the lower end of the output shaft is provided with a positioning center shaft, the positioning center shaft is provided with a magnet fixed magnetic ring which is adhered to the positioning center shaft, the outer surface of the magnet fixed magnetic ring is symmetrically pasted with two groups of magnets, the lower end of the positioning center shaft is provided with a sweep vibration limiting block which is fitted with the magnet fixed magnetic ring, the outer surface of the sweep vibration limiting block is provided with two sweep vibration limiting screws which are screwed, the output shaft is fitted with a top positioning block which is rotationally connected with the output shaft, the lower end of the positioning center shaft is fitted with a lower end positioning block which is rotationally connected with the positioning center shaft, the top positioning block and the lower end positioning block are provided with a plastic-coated driving magnetic core, the magnet fixed magnetic ring and the sweep vibration limiting block are arranged in the plastic-coated driving magnetic core, the lower end of the sweep vibration limiting block is adhered to the magnet fixed magnetic ring, the side of the plastic-coated driving magnetic core which is away from the magnet fixed magnetic ring is provided with an iron core cavity frame, the iron core cavity frame is wound with a double-wire core driving coil winding, the double-wire core driving coil winding is divided into a high-frequency power supply wire and a low-frequency power supply wire after being wound.

[0005] Further, the output shaft is a through hole shaft with a small hole in the center, the positioning center shaft is a through hole shaft with a small hole in the center, the end of the output shaft which faces the positioning center shaft is provided with a large hole which is larger than the small hole, the end of the positioning center shaft is pasted in the large hole through glue, and the small hole in the center of the output shaft and the small hole in the center of the positioning center shaft form a through hole.

[0006] Further, the side of the top positioning block which faces the plastic-coated driving magnetic core is recessed to form a first circular groove, the first circular groove is provided with a top support bearing, and the output shaft penetrates the top support bearing.

[0007] Further, one side of the lower end positioning block is recessed to form a second circular groove, a lower end supporting bearing is installed in the second circular groove, and the lower end of the positioning center shaft penetrates through the lower end supporting bearing.

[0008] Further, two screw holes are symmetrically formed in the outer surface of the sweep-vibration limiting block, and the sweep-vibration limiting screws are screwed in the screw holes.

[0009] Further, T-shaped strips are installed at the two ends of the plastic-coated driving magnetic iron core, T-shaped grooves are formed in the top end positioning block and the lower end positioning block, and the T-shaped strips are inserted into the T-shaped grooves.

[0010] Further, two magnet blocks are included in the group of magnets, the two magnet blocks in the group of magnets are circular arc structures with opposite polarities, and the magnet blocks are concentrically arranged with N poles and S poles at the radial center.

[0011] The utility model discloses the beneficial effects of:

[0012] 1. By driving electronic board input high segment frequency and low segment frequency, make it reach one side big swing reciprocating sweep, also one side high frequency acoustic vibration, form interval sweep vibration.

[0013] 2. Cancel the use of the spring piece mode, the magnetic force generated by the interaction of two pairs of bipolar circular arc-shaped magnets and the plastic-coated driving magnetic iron core generates output power, since the two pairs of magnets are bipolar circular arc-shaped tile-shaped, the magnetic force lines are also arc-shaped, greatly improving the efficiency of electromagnetic force, thereby improving the moment of force, reducing the working current, making it have the characteristics of high efficiency and high performance, canceling the use of the spring piece, and having no short life, having the characteristics of super long life and force frequency consistency.

[0014] 3. The double-wire core driving coil winding is wound on the iron core cavity frame by two groups of four taps, and the double-wire core driving coil winding is electrically connected with a high-frequency power connection and a low-frequency power connection. The high-frequency acoustic vibration signal and the low-frequency reciprocating swing signal are connected to the double-wire core driving coil winding, and the two electric signals are connected to the low electromagnetic interaction, so that the double-wire core driving coil winding has high-frequency acoustic vibration and low-frequency reciprocating swing at the same time. Since the moving coil is wound on the plastic-coated driving iron core by two groups of wires, the magnetic field generated by the power supply is simultaneous, but the frequency is different, which can effectively reduce the eddy current noise generated by high-frequency vibration and greatly reduce the noise.

[0015] 4. Sweep-vibration limiting block and sweep-vibration limiting screw are arranged, the angle of reciprocating sweep of the high-low frequency sweep motor can be set by adjusting the position, and the angle of reciprocating sweep can also be adjusted by the control program of the driving electronic board.

[0016] 5. The top end support bearing uses a ball bearing to ensure smooth scanning under load, while the lower end support bearing is an oil-filled bearing, which has low cost and better noise reduction effect.

[0017] 6. The magnet fixed magnetic conducting ring is a circular ring structure, has high magnetic conductivity, effectively enhances the penetration of the magnet magnetic force line, improves the magnetic force, and effectively absorbs the magnet and is fixed by glue.

[0018] 7. The magnet is two groups, one group of magnets includes two magnet blocks, the two magnet blocks in one group of magnets are two-pole opposite circular arc structures, the concentric arc radial center of the magnet blocks is divided into N and S poles, effectively and the inner side of the plastic driving magnetic iron core is stably adsorbed by the radial force of the two ends, to ensure the origin position of the output part.

[0019] 8. The output shaft is a through hole shaft with a small hole in the center, the positioning center shaft is a through hole shaft with a small hole in the center, the end of the output shaft facing the positioning center shaft is provided with a large hole larger than the through small hole, and the end of the positioning center shaft is pasted in the large hole by glue. The small hole in the center of the output shaft and the small hole in the center of the positioning center shaft form a through hole, which can be used for scanning output and liquid or air transmission on one side; and according to the structure after the composition, the through hole principle is more effectively and flexibly applied to various fields. BRIEF DESCRIPTION OF DRAWINGS

[0020] Other features, objects and advantages of the present application will become more apparent from the following detailed description of non-limiting embodiments, read in conjunction with the accompanying drawings:

[0021] Figure 1 It is a structure diagram of the high-low frequency scanning motor of the present application;

[0022] Figure 2 It is an exploded structure diagram of the high-low frequency scanning motor of the present application;

[0023] Figure 3 It is a sectional view of the high-low frequency scanning motor of the present application;

[0024] Figure 4 It is an assembly diagram of the magnet fixed magnetic conducting ring, magnet, positioning center shaft, scanning limiting block and output shaft in the high-low frequency scanning motor of the present application;

[0025] Figure 5 It is a sectional assembly diagram of the magnet fixed magnetic conducting ring, magnet, positioning center shaft, scanning limiting block and output shaft in the high-low frequency scanning motor of the present application;

[0026] Figure 6The utility model discloses a high low frequency sweep vibration motor in top end positioning block, lower end positioning block and the assembly schematic drawing of plastic driving iron core,

[0027] Figure 7 The utility model discloses a high low frequency sweep vibration motor in top end positioning block, lower end positioning block and the assembly schematic drawing of plastic driving iron core,

[0028] Figure 8 The utility model discloses a high low frequency sweep vibration motor in two groups of magnet's two groups of polarity schematic drawing,

[0029] In the drawing: 1 - output shaft, 2 - top end positioning block, 3 - magnet, 4 - magnet fixed magnetism ring, 5 - sweep limiting block, 6 - sweep limiting screw, 7 - lower end positioning block, 8 - high frequency energization wiring, 9 - low frequency energization wiring, 10 - plastic driving magnetic iron core, 11 - T type strip, 12 - top end support bearing, 13 - lower end support bearing, 14 - positioning center shaft, 15 - double -wire core drive coil winding, 16 - plastic iron core cavity frame. Specific embodiments

[0030] In order to make the technical means, the creation features, the purposes and the effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0031] Please refer to Figures 1-5 , Figure 8The utility model provides a kind of technical scheme: a high-low frequency sweep motor, including output shaft 1, the lower end of output shaft 1 is equipped with locating center shaft 14, locating center shaft 14 is equipped with the magnet fixed magnetic conducting ring 4 being adhered with locating center shaft 14, two groups of magnet 3 are symmetrically pasted on the outer surface of magnet fixed magnetic conducting ring 4, locating center shaft 14 lower end is equipped with the sweep limiting block 5 being attached with magnet fixed magnetic conducting ring 4, two sweep limiting screws 6 are threadedly connected on the outer surface of sweep limiting block 5, set sweep limiting block 5 and sweep limiting screw 6, the angle of a kind of high-low frequency sweep motor reciprocating sweep is set by adjusting its position, the angle of reciprocating sweep can also be adjusted by the control program of driving electronic board, wherein two screw holes are symmetrically opened on the outer surface of sweep limiting block 5, sweep limiting screw 6 is threadedly connected in screw hole, output shaft 1 is the through hole shaft with small hole being penetrated in center, the locating center shaft 14 is the through hole shaft with small hole being penetrated, the one end of output shaft 1 facing locating center shaft 14 is opened with larger hole than the small hole being penetrated, locating center shaft 14 one end is pasted in larger hole by glue, the small hole being penetrated in the center of output shaft 1 and the small hole being penetrated in the center of locating center shaft 14 form the through hole being communicated, like this just constitutes one and sweeps output and makes the effect of liquid or gas communication;And according to the structure after its composition, more effectively flexible application of the principle of through hole is applied to one field;Magnet fixed magnetic conducting ring 4 is circular ring structure, has high-performance magnetic conductivity, effectively enhances the penetration of magnet magnetic force line, improves the force of magnetic force, can effectively adsorb magnet 3 and be fixed by glue, one group of magnet 3 includes two magnet blocks, two magnet blocks in one group of magnet 3 are two-polarity opposite circular arc structures, magnet block concentric arc radial center divides N pole and S pole, effectively with the stable adsorption effect of the radial force of the inside two ends of plastic-coated driving magnetic core 10, guarantee the original point position of output part.

[0032] Refer to Figures 1-7 , output shaft 1 is equipped with top end locating block 2 being rotatably connected with output shaft 1, locating center shaft 14 lower end is equipped with lower end locating block 7 being rotatably connected with locating center shaft 14, the one side of top end locating block 2 facing plastic-coated driving magnetic core 10 is recessed to form first circular groove, top end support bearing 12 is installed in first circular groove, output shaft 1 penetrates top end support bearing 12, the one side of lower end locating block 7 facing plastic-coated driving magnetic core 10 is recessed to form second circular groove, lower end support bearing 13 is installed in second circular groove, locating center shaft 14 lower end penetrates lower end support bearing 13, top end support bearing 12 uses ball bearing to guarantee that sweep is very smooth under load, and lower end support bearing 13 is using oil-containing bearing, with low cost, and more with the effect of noise reduction.

[0033] Refer to Figures 1-7 Figures 1-7The top positioning block 2 and the lower end positioning block 7 are provided with a plastic-coated driving magnetic core 10, both ends of the plastic-coated driving magnetic core 10 are provided with a T-shaped strip 11, the top positioning block 2 and the lower end positioning block 7 are provided with a T-shaped groove matched with the T-shaped strip 11, the T-shaped strip 11 is inserted into the T-shaped groove, the stability of the connection between the top positioning block 2, the lower end positioning block 7 and the plastic-coated driving magnetic core 10 is improved, the magnet fixed magnetic conducting ring 4 and the sweep-limiting block 5 are arranged in the plastic-coated driving magnetic core 10, the upper end of the sweep-limiting block 5 is adhered to the magnet fixed magnetic conducting ring 4, the side of the plastic-coated driving magnetic core 10 away from the magnet fixed magnetic conducting ring 4 is provided with a plastic-coated core cavity frame 16, the plastic-coated core cavity frame 16 is wound with a double-wire core driving coil winding 15, the double-wire core driving coil winding 15 is divided into a high-frequency power connection line 8 and a low-frequency power connection line 9 after winding, the high-frequency power connection line 8 and the low-frequency power connection line 9 are input with high-frequency and low-frequency through the driving electronic board, so that the high-frequency and low-frequency are achieved at the same time, and the sweep vibration is achieved at the same time.

[0034] The use of the elastic sheet is cancelled, the output power is generated by the magnetic interaction force generated by the two pairs of bipolar circular arc-shaped magnets 3 and the plastic-coated driving magnetic core 10, the two pairs of magnets 3 are bipolar circular arc-shaped tile-shaped, the magnetic lines are also arc-shaped, the efficiency of the electromagnetic force is greatly improved, so that the moment of force is improved, the working current is reduced, the high efficiency and high performance characteristics are achieved, the use of the elastic sheet is cancelled, the short service life is cancelled, the super-long service life and the consistent force frequency characteristics are achieved, the double-wire core driving coil winding 15 is wound by two groups of four taps on the plastic-coated core cavity frame 16, the double-wire core driving coil winding 15 is divided into the high-frequency power connection line 8 and the low-frequency power connection line 9, the high-frequency power connection line 8 and the low-frequency power connection line 9 are respectively connected with the high-frequency sound wave vibration signal and the low-frequency reciprocating swing signal, the high-frequency sound wave vibration and the low-frequency reciprocating swing are achieved at the same time through the low electromagnetic interaction of the two electric signals, and the eddy current noise generated by the high-frequency vibration is effectively reduced, and the noise is greatly reduced.

[0035] Although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A high-low frequency sweep vibration motor comprising an output shaft (1), characterized in that: The lower end of the output shaft (1) is provided with a positioning center shaft (14), a magnet fixed magnetic ring (4) is sleeved on the positioning center shaft (14) and adhered to the positioning center shaft (14), two groups of magnets (3) are symmetrically adhered to the outer surface of the magnet fixed magnetic ring (4), a sweep vibration limiting block (5) is sleeved on the lower end of the positioning center shaft (14) and matched with the magnet fixed magnetic ring (4), two sweep vibration limiting screws (6) are threadedly connected to the outer surface of the sweep vibration limiting block (5), the output shaft (1) is sleeved with a top positioning block (2) which is rotationally connected with the output shaft (1), the lower end of the positioning center shaft (14) is sleeved with a lower end positioning block (7) which is rotationally connected with the positioning center shaft (14), a plastic-coated driving magnetic iron core (10) is mounted between the top positioning block (2) and the lower end positioning block (7), the magnet fixed magnetic ring (4) and the sweep vibration limiting block (5) are arranged in the plastic-coated driving magnetic iron core (10), the upper end of the sweep vibration limiting block (5) is adhered to the magnet fixed magnetic ring (4), a plastic-coated iron core cavity frame (16) is mounted on the side of the plastic-coated driving magnetic iron core (10) away from the magnet fixed magnetic ring (4), a double-wire core driving coil winding (15) is wound on the plastic-coated iron core cavity frame (16), the double-wire core driving coil winding (15) is divided into a high-frequency power supply wire (8) and a low-frequency power supply wire (9) after being wound.

2. The high-low frequency sweep motor of claim 1, wherein: The output shaft (1) is a through hole shaft with a small hole in the center, the positioning center shaft (14) is a through hole shaft with a small hole, the end of the output shaft (1) facing the positioning center shaft (14) is provided with a large hole larger than the small hole, and the end of the positioning center shaft (14) is adhered in the large hole by glue, and the small hole in the center of the output shaft (1) and the small hole in the center of the positioning center shaft (14) form a through hole.

3. The high-low frequency sweep motor of claim 1, wherein: The side of the top positioning block (2) facing the plastic-coated driving magnetic iron core (10) is recessed to form a first circular groove, a top supporting bearing (12) is mounted in the first circular groove, and the output shaft (1) penetrates the top supporting bearing (12).

4. The high-low frequency sweep motor of claim 1, wherein: The side of the lower end positioning block (7) facing the plastic-coated driving magnetic iron core (10) is recessed to form a second circular groove, a lower end supporting bearing (13) is mounted in the second circular groove, and the lower end of the positioning center shaft (14) penetrates the lower end supporting bearing (13).

5. The high-low frequency sweep motor of claim 1, wherein: Two screw holes are symmetrically formed in the outer surface of the sweep vibration limiting block (5), and the sweep vibration limiting screws (6) are threadedly connected in the screw holes.

6. The high-low frequency sweep motor of claim 1, wherein: T-shaped strips (11) are mounted at the two ends of the plastic-coated driving magnetic iron core (10), T-shaped grooves matched with the T-shaped strips (11) are formed in the top positioning block (2) and the lower end positioning block (7), and the T-shaped strips (11) are inserted into the T-shaped grooves.

7. The high-low frequency sweep motor of claim 1, wherein: Each group of the magnets (3) includes two magnet blocks, the two magnet blocks in each group of the magnets (3) are circular arc structures with opposite polarities, and the concentric arc radial center of the magnet blocks is divided into N poles and S poles.

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