Miniature vibration motor capable of adjusting vibration quantity

Abstract

The utility model relates to the technical field of miniature vibration motors, in particular to a miniature vibration motor capable of adjusting vibration quantity, which comprises a support, a rotating shaft is movably connected to the bottom of a groove, semi-arcs are vertically symmetrically and fixedly connected to the front surface of an eccentric wheel, and motors are fixedly mounted at the bottoms of the semi-arcs. And one side of the eccentric wheel is movably connected with a movable ring wheel, one side of the movable ring wheel is fixedly connected with a connecting rod, and the connecting rod is fixedly connected with the fixing block. According to the miniature vibration motor capable of adjusting the vibration quantity, the rotating shaft rotates in the groove and drives the movable rod to rotate along with rotation of the transmission end of the motor, the movable rod rotates to drive the fixed block to rotate, the movable ring wheel extends outwards by a circle during rotation, the angle of the eccentric wheel is adjusted through rotation, and therefore the vibration quantity is reduced; the vibration amplitude of the motor is adjusted through the extending angle of the movable ring wheel, the larger the angle is, the smaller the vibration is, the larger the angle is, the larger the vibration amplitude is, and the practicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of micro vibration motors, in particular to a micro vibration motor with adjustable vibration amount. Background Art

[0002] The vibration motor is a brushed DC motor with an eccentric wheel on the motor shaft. When the motor rotates, the center point of the eccentric wheel is not on the center of rotation of the motor, causing the motor to be constantly out of balance and causing vibration due to inertia.

[0003] The micro vibration motor mainly used in mobile phones is a brushed DC motor. There is an eccentric wheel on the motor shaft. When the motor rotates, the center point of the eccentric wheel is not on the center of rotation of the motor, causing the motor to be constantly out of balance and vibrate due to inertia. However, it is difficult to increase or decrease the frequency of vibration on ordinary micro vibration motors, resulting in incomplete applicability. Utility Model Content

[0004] The purpose of the utility model is to provide a micro vibration motor with adjustable vibration amount, so as to solve the problem mentioned in the above background technology that it is difficult to increase or decrease the vibration frequency of ordinary micro vibration motors, thus causing incomplete use. To achieve the above purpose, the utility model provides the following technical solutions: a micro vibration motor with adjustable vibration amount, comprising a bracket, the top of the bracket is fixedly connected with a magnetic attraction, the top of the magnetic attraction is provided with a groove, and the top of the groove is provided with an adjustment component;

[0005] The adjusting component comprises a rotating shaft, wherein the rotating shaft is movably connected to the bottom of the groove, an eccentric wheel is fixedly connected to the upper outer side of the rotating shaft, a semi-arc is fixedly connected to the front side of the eccentric wheel, the semi-arc is symmetrically fixedly connected to the front side of the eccentric wheel in an upper and lower manner, a motor is fixedly installed at the bottom of the semi-arc, a transmission end of the motor is fixedly connected to a movable rod, the movable rod is fixedly connected to the inner two sides of the semi-arc, a fixed block is fixedly connected to the outer side of the movable rod, a movable ring wheel is movably connected to one side of the eccentric wheel, and a connecting rod is fixedly connected to one side of the movable ring wheel, and the connecting rod is fixedly connected to the fixed block. The adjusting component is arranged such that the rotating shaft rotates in the groove, and the movable rod is driven to rotate as the transmission end of the motor rotates, and the rotation of the movable rod also drives the fixed block to rotate, so that the movable ring wheel extends outward by a circle when rotating, and the angle of the eccentric wheel is adjusted by rotation, so that the vibration amount is reduced, and the amplitude of motor vibration is adjusted by the extended angle of the movable ring wheel. The larger the angle, the smaller the vibration, and the larger the angle, the larger the vibration amplitude. This arrangement improves the practicability of the equipment.

[0006] Further preferably, a steering gear is fixedly connected to the outer side of the rotating shaft, and the steering gear is fixedly connected to the top of the eccentric wheel. A circuit board is fixedly connected to the bottom of the eccentric wheel. A coil is fixedly connected to the bottom of the eccentric wheel, and the coil is symmetrically distributed at the bottom of the eccentric wheel. The steering gear is set, and its function is mainly to change the rotation direction and output torque of the eccentric wheel. It converts the rotation direction of the eccentric wheel into another direction through mechanical transmission, and changes the size and direction of the torque output. The circuit board is a control circuit board, and the main function of the motor coil is to convert electrical energy into magnetic energy, so that the motor starts to run.

[0007] Further preferably, a sensor component is provided on the right side of the bracket, and the sensor component includes wires, and the wires are fixedly connected to the inside of both sides of the rotating shaft in a front-to-back symmetrical manner, and brushes are fixedly connected to the outside of the wires. A protective shell is fixedly installed on the outside of the wires on both sides, and the protective shell passes through the bracket and extends to the right side of the bracket.

[0008] Further preferably, the protective shell is fixedly connected to a connecting shell, a recess is provided on the left side of the connecting shell, the right side of the wire passes through the connecting shell and extends to the right side of the connecting shell, the right side of the connecting shell is fixedly connected to an insulating shell, the insulating shell is adapted to the wire, the sensor component is arranged, and the brush is installed on the rotating shaft. When current passes through the brush, since the brush and the brush contact point continuously contact and disconnect with the rotor, the current is repeatedly generated between the brush and the rotor, thereby generating a rotational force.

[0009] Further preferably, a protection component is provided on the outside of the bracket, and the protection component includes an outer cover shell, the outer cover shell is movably connected to the outside of the bracket, the inside of the outer cover shell is movably connected to the magnet, the outside of the outer cover shell is provided with a slot, the slot is provided in a circle on the outside of the outer cover shell, and a fixing groove is provided on the right side of the outer cover shell. The setting of the protection component fully covers the top of the device through the outer cover shell, thereby improving the safety of the device.

[0010] Further preferably, a protective sticker is fixedly connected to the top of the outer cover shell, and a sticker is fixedly connected to the bottom of the bracket.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] In the utility model, the rotating shaft rotates in the groove, and the movable rod is driven to rotate as the driving end of the motor rotates. The rotation of the movable rod also drives the fixed block to rotate, so that the movable ring wheel extends outward by one circle when rotating. The angle of the eccentric wheel is adjusted by rotation, so that the vibration amount is reduced. The amplitude of the motor vibration is adjusted by the extension angle of the movable ring wheel. The larger the angle, the smaller the vibration, and the larger the angle, the greater the vibration amplitude. This arrangement improves the practicality of the equipment.

[0013] In the utility model, the steering gear mainly functions to change the rotation direction of the eccentric wheel and the output torque. It converts the rotation direction of the eccentric wheel into another direction through mechanical transmission and changes the size and direction of the torque output. The circuit board is the control circuit board. The main function of the motor coil is to convert electrical energy into magnetic energy, thereby starting the motor to run.

[0014] In the utility model, the brush is installed on the rotating shaft. When current passes through the brush, the brush and the brush contact point are constantly in contact with and disconnected from the rotor, so the current is repeated between the brush and the rotor, thereby generating a rotational force. The top of the device is fully covered by the outer cover shell, making the device safer. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a right-side perspective structural diagram of the utility model;

[0016] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model from top view;

[0017] Figure 3 This is a schematic diagram of the front three-dimensional structure of the utility model;

[0018] Figure 4 For this utility model Figure 3 A in the middle is an enlarged schematic diagram of the three-dimensional structure;

[0019] Figure 5 It is a schematic diagram of the partial planar structure of the utility model;

[0020] Figure 6 It is a schematic diagram of the local planar structure of the utility model.

[0021] In the figure: 1, bracket; 2, magnetic attraction; 3, groove; 4, adjustment component; 5, steering gear; 6, circuit board; 7, coil; 8, sensor component; 9, protection component; 10, protection sticker; 11, sticker; 401, rotating shaft; 402, eccentric wheel; 403, semi-arc; 404, motor; 405, movable rod; 406, fixed block; 407, movable ring wheel; 408, connecting rod; 801, wire; 802, brush; 803, protective shell; 804, connecting shell; 805, concave block; 806, insulating shell; 901, outer cover shell; 902, notch; 903, fixing groove. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technical personnel in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1 - Figure 6 The utility model provides a technical solution: a micro vibration motor with adjustable vibration amount, comprising a bracket 1, a magnetic attraction 2 is fixedly connected to the top of the bracket 1, a groove 3 is provided on the top of the magnetic attraction 2, and an adjustment component 4 is provided on the top of the groove 3;

[0024] The adjustment assembly 4 includes a rotating shaft 401, which is movably connected to the bottom of the groove 3. An eccentric wheel 402 is fixedly connected to the upper outer side of the rotating shaft 401. A semi-arc 403 is fixedly connected to the front of the eccentric wheel 402. The semi-arc 403 is fixedly connected to the front of the eccentric wheel 402 in a vertically symmetrical manner. A motor 404 is fixedly installed at the bottom of the semi-arc 403. A movable rod 405 is fixedly connected to the transmission end of the motor 404. The movable rod 405 is fixedly connected to both sides of the interior of the semi-arc 403. The outer side of the movable rod 405 is fixedly connected There is a fixed block 406, one side of the eccentric wheel 402 is movably connected to a movable ring wheel 407, one side of the movable ring wheel 407 is fixedly connected to a connecting rod 408, and the connecting rod 408 is fixedly connected to the fixed block 406. When in use, the rotating shaft 401 rotates in the groove 3, and the movable rod 405 is driven to rotate as the transmission end of the motor 404 rotates. The rotation of the movable rod 405 also drives the fixed block 406 to rotate, so that the movable ring wheel 407 extends outward one circle when rotating, and the angle of the eccentric wheel 402 is adjusted by rotation, thereby reducing the vibration.

[0025] In this embodiment, Figure 3 and Figure 4 As shown, a steering gear 5 is fixedly connected to the outer side of the rotating shaft 401, and the steering gear 5 is fixedly connected to the top of the eccentric wheel 402. A circuit board 6 is fixedly connected to the bottom of the eccentric wheel 402. A coil 7 is fixedly connected to the bottom of the eccentric wheel 402. The coil 7 is symmetrically distributed at the bottom of the eccentric wheel 402. When in use, the motor steering gear 5 mainly changes the rotation direction and output torque of the eccentric wheel 402. It converts the rotation direction of the eccentric wheel 402 into another direction through mechanical transmission, and changes the size and direction of the torque output. The circuit board 6 is the control circuit board 6. The main function of the motor coil 7 is to convert electrical energy into magnetic energy, so that the motor starts to run.

[0026] In this embodiment, Figure 1 , Figure 2 , Figure 3 and Figure 5 As shown, a sensor component 8 is provided on the right side of the bracket 1, and the sensor component 8 includes a wire 801, and the wire 801 is fixedly connected to the inside of both sides of the rotating shaft 401 in a front-to-back symmetrical manner, and a brush 802 is fixedly connected to the outside of the wire 801, and a protective shell 803 is fixedly installed on the outside of the wire 801 on both sides, and the protective shell 803 passes through the bracket 1 and extends to the right side of the bracket 1.

[0027] In this embodiment, Figure 1 , Figure 2 , Figure 3 and Figure 5 As shown, the protective shell 803 is fixedly connected to the connecting shell 804, a recess 805 is provided on the left side of the connecting shell 804, the right side of the wire 801 passes through the connecting shell 804 and extends to the right side of the connecting shell 804, the right side of the connecting shell 804 is fixedly connected to the insulating shell 806, and the insulating shell 806 is adapted to the wire 801. When in use, the brush 802 is installed on the rotating shaft 401. When current passes through the brush 802, since the contact points of the brush 802 and the brush 802 are constantly in contact with and disconnected from the rotor, the current is repeatedly generated between the brush 802 and the rotor, thereby generating a rotational force.

[0028] In this embodiment, Figure 1 and Figure 2 As shown, a protective component 9 is provided on the outside of the bracket 1, and the protective component 9 includes an outer cover shell 901, and the outer cover shell 901 is movably connected to the outside of the bracket 1, and the inside of the outer cover shell 901 is movably connected to the magnetic suction 2, and a slot 902 is opened on the outside of the outer cover shell 901, and the slot 902 is opened in a circle on the outside of the outer cover shell 901, and a fixing groove 903 is opened on the right side of the outer cover shell 901. When in use, the top of the device is fully covered by the outer cover shell 901 to improve the safety of the device.

[0029] In this embodiment, Figure 1 and Figure 2 As shown, a protective sticker 10 is fixedly connected to the top of the outer cover shell 901, and a sticker 11 is fixedly connected to the bottom of the bracket 1. When in use, the protective sticker 10 and the sticker 11 protect the device.

[0030] The use method and advantages of the utility model: When the micro vibration motor with adjustable vibration amount is used, the working process is as follows:

[0031] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6As shown, when this device is used, the rotating shaft 401 rotates in the groove 3, and the movable rod 405 is driven to rotate as the transmission end of the motor 404 rotates. The rotation of the movable rod 405 also drives the fixed block 406 to rotate, so that the movable ring wheel 407 extends outward one circle when rotating, and the angle of the eccentric wheel 402 is adjusted by rotation, so that the vibration amount is reduced. The motor steering device 5 mainly changes the rotation direction and output torque of the eccentric wheel 402. It converts the rotation direction of the eccentric wheel 402 into another direction through mechanical transmission, and changes the torque output. Size and direction, circuit board 6 is the control circuit board 6, the main function of motor coil 7 is to convert electrical energy into magnetic energy, so that the motor starts to run, brush 802 is installed on the rotating shaft 401, when current passes through brush 802, since the contact point of brush 802 and brush 802 is constantly in contact with and disconnected from the rotor, the current is repeated between brush 802 and the rotor, thereby generating a rotational force, and the top of the device is fully covered by the outer cover shell 901 to make the device safer, and the protective sticker 10 and sticker 11 protect the device.

[0032] The above shows and describes the basic principle, main features and advantages of the utility model. Technical staff in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A micro vibration motor with adjustable vibration amount, comprising a bracket (1), characterized in that: The top of the bracket (1) is fixedly connected to a magnet (2), the top of the magnet (2) is provided with a groove (3), and the top of the groove (3) is provided with an adjustment component (4); The adjustment assembly (4) comprises a rotating shaft (401), the rotating shaft (401) is movably connected to the bottom of the groove (3), an eccentric wheel (402) is fixedly connected to the upper outer side of the rotating shaft (401), a semi-arc (403) is fixedly connected to the front of the eccentric wheel (402), the semi-arc (403) is fixedly connected to the front of the eccentric wheel (402) in a vertically symmetrical manner, a motor (404) is fixedly installed at the bottom of the semi-arc (403), and the motor (404) is fixedly installed at the bottom of the semi-arc (403). The transmission end of the machine (404) is fixedly connected to a movable rod (405), the movable rod (405) is fixedly connected to the inner two sides of the semi-arc (403), the outer side of the movable rod (405) is fixedly connected to a fixed block (406), one side of the eccentric wheel (402) is movably connected to a movable ring wheel (407), one side of the movable ring wheel (407) is fixedly connected to a connecting rod (408), and the connecting rod (408) is fixedly connected to the fixed block (406).

2. The micro vibration motor with adjustable vibration amount according to claim 1, characterized in that: A steering gear (5) is fixedly connected to the outer side of the rotating shaft (401), the steering gear (5) is fixedly connected to the top of the eccentric wheel (402), a circuit board (6) is fixedly connected to the bottom of the eccentric wheel (402), a coil (7) is fixedly connected to the bottom of the eccentric wheel (402), and the coil (7) is symmetrically distributed at the bottom of the eccentric wheel (402).

3. The micro vibration motor with adjustable vibration amount according to claim 1, characterized in that: A sensor assembly (8) is provided on the right side of the bracket (1), and the sensor assembly (8) comprises a wire (801), and the wire (801) is fixedly connected to the inside of two sides of the rotating shaft (401) in a front-to-back symmetrical manner, and a brush (802) is fixedly connected to the outside of the wire (801), and a protective shell (803) is fixedly installed on the outside of the wire (801) on both sides, and the protective shell (803) passes through the bracket (1) and extends to the right side of the bracket (1).

4. The micro vibration motor with adjustable vibration amount according to claim 3, characterized in that: The protective shell (803) is fixedly connected to a connecting shell (804), a recess (805) is provided on the left side of the connecting shell (804), the right side of the wire (801) passes through the connecting shell (804) and extends to the right side of the connecting shell (804), the right side of the connecting shell (804) is fixedly connected to an insulating shell (806), and the insulating shell (806) is compatible with the wire (801).

5. The micro vibration motor with adjustable vibration amount according to claim 1, characterized in that: A protective component (9) is arranged on the outer side of the bracket (1), and the protective component (9) comprises an outer cover shell (901), the outer cover shell (901) is movably connected to the outer side of the bracket (1), the inner side of the outer cover shell (901) is movably connected to the magnetic attraction (2), a notch (902) is provided on the outer side of the outer cover shell (901), and the notch (902) is provided in a circle on the outer side of the outer cover shell (901), and a fixing groove (903) is provided on the right side of the outer cover shell (901).

6. The micro vibration motor with adjustable vibration amount according to claim 5, characterized in that: The top of the outer cover shell (901) is fixedly connected with a protective sticker (10), and the bottom of the bracket (1) is fixedly connected with a sticker (11).

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