TWI339474B - Motor - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a motor, and more particularly to a motor having a function of greatly reducing vibration. [Prior Art] Nowadays, the 5 motor technology is very mature and widely used in various fields, so its price is also subject to competition. Motor manufacturers are doing their best to research and develop their smaller size, better performance and lower price. And it can also quickly meet the needs of customers' motor products. In the current development of motor technology, in order to meet the needs of different customers, a modular production method has been developed, and the structure of the structure is as follows: please refer to the substrate i 0, ..... «· < V.., a stator 11, a rotor 12, a driving portion 13, etc., wherein the rotor 12 is sleeved in a shaft hole 111 of the stator 11 by a rotating shaft 14, and the driving portion 13 includes a coil 1 30 and a magnetic i ghost 131, the coil 130 is disposed on the stator 11, and the magnetic block 131 is disposed on the rotor 12 facing the coil 13 when the coil 130 is twisted. The rotor 12 can be rotated relative to the stator 11 about the rotating shaft 14 by the magnetism effect generated by the driving portion 13. The substrate 10 is used to provide a fixed platform. Further, a fixing hole (not shown) may be further disposed on the substrate 10 according to the needs of the customer, so that the motor 1 can be disposed at a place required by the customer. The motor 1 itself is fixed in a hole 100 of the substrate 10 by a bump 110 extending from the stator 11, so that the stator 11 is combined with the substrate 10, such a motor 1 modular structure, can be unified 095107894 form compilation A0101 page 3 / total 13 pages 0893405688-Ό [0005] 13394474 - motor manufacturers to meet the different needs of the customer's manufacturing process to effectively reduce production costs.

However, in the motor 上述 described above, when the stator u and the substrate are combined with each other, the rotor 12 of the motor cymbal is subjected to a rotational motion, and some vibration is generated, and the vibration is transmitted to the stator through the rotating shaft 14. 11, and then transferred to the substrate 1Q, so that the customer device (not shown) will also be subjected to vibration. If the vibration frequency and the motor form a resonance phenomenon, the vibration state is more serious, and it is accompanied by some threats. Greatly affected the quality of the motor. [0006] In addition, it is a motor of the prior art. The components of the motor 1 of the first figure are larger than the structure of the motor 1. The structure of the motor 1 is fixed to the substrate 10 so that The elasticity of the assembly is retained, but the stator 11 of this prior art is fixed to the substrate 10 by a screw 2, and further

% Hope _ Figure in the tooth

When the motor 1 is tamped with the substrate 1 and fixed on the client device 3, since the stator 11 and the substrate 1 are snails in the same manner, the locking method achieves the effect of mutual fixation, so the structure is the same. Method: to avoid the problem of vibration transmission of the motor; in addition, another motor of the prior art is referred to the third figure, and the components of the motor 1 and the structure thereof are also the same as described above, in order to slow down the vibration thereof in the prior art. The problem is that a spacer 20 is added between the substrate 10 and the client device, so that the effect of providing buffer vibration is obtained, although it has some effect 'but it cannot always solve the problem. SUMMARY OF THE INVENTION In view of the above problems, an object of the present invention is to provide a motor that can greatly reduce vibration phenomena while maintaining modular characteristics for reducing 095107894 Form No. A0101 Page 4 / Total 13 Page 0983405688-0 [ 0007] Production costs. [0008] According to the above concept, the present invention provides a motor comprising: a substrate having an opening; a stator comprising a sleeve, the sleeve having a shaft hole; a buffer portion disposed on the stator The outer side of the sleeve and the opening of the substrate; a rotor is sleeved in the shaft hole of the stator by a rotating shaft; and a driving portion is located between the stator and the rotor, wherein the driving portion is further packaged a coil and a magnet block, the coil is located on the outer side of the stator, and the magnet block is located inside one of the rotors and opposite to the coil, or the magnet block is located on the outer side of the stator, and the coil is located inside one of the rotors and opposite to At the magnetic block. [0009] According to the above concept, the side of the buffer portion is caused by an inner edge of the opening of the plate, and the other side is in contact with the stator i: & [0010] According to the above concept, the cross-sectional shape of the buffer portion is selected from one of the following groups: a U-shape, a V-shape, an L-shape, an I-shape, and the like. [0011] According to the above concept, the material of the buffer portion is selected from the group consisting of rubber, nitrile rubber (NBR), sea line, plastic, and combinations thereof. [0012] According to the above concept, the motor is applied to a disc player, a hard disk drive, a fan, or a color wheel of a projector. [Embodiment] [0013] Embodiments of the present invention refer to the fourth figure. The motor 4 shown in the figure includes a substrate 40, a stator 41, a buffer portion 45, a rotor 42 and a driving portion 43. The 40 series is provided as a platform, so that the motor 4 can be easily disposed at a place required by the customer, for example, by fixing holes (not shown) provided on the substrate 40 during production. Form No. A0101, page 5 of 13 pages 0893405688-0 1339474 provides the flexibility that the motor 4 can maintain when faced with different customer requirements, wherein the substrate 40 has an opening 400; the stator 41 includes a The sleeve 412 has a shaft hole 411. A buffer portion 45 is sleeved on the outer side of the sleeve 41 2 of the stator 41 and the opening 400 of the substrate 40. The rotor 42 is rotated by a shaft 44. The driving portion 43 includes a coil 430 and a magnetic block 431. The coil 430 is disposed on the stator 41, and the magnetic block 431 is disposed on the surface. On the rotor 42 of the coil 430, when a current is passed through the coil 430, the The rotor 42 can be rotated relative to the stator 41 about the rotating shaft 44 by the magnetism effect generated by the driving portion 43, wherein the coil 430 in the driving portion 43 and the magnetic body can also be used. [0014]

The present invention is intended to greatly reduce the vibration of the motor' to avoid vibration being transmitted to the client device by the substrate 40 (not shown)

The one end of the stator 41 is fixed to the substrate 40 by the buffer portion 45. Further, the buffer portion 45 is made of rubber, nitrile rubber (NBR), sponge or It is made of a material such as plastic and has a function of absorbing vibration. The cross-sectional shape of the balance portion 45 may be U-shaped, V-shaped, L-shaped or I-shaped, and the one side of the buffer portion 45 is sandwiched between the substrate 40. The inner edge of the opening 400 is sleeved on one end of the sleeve 412 of the stator 41. Therefore, when the motor 4 performs a rotary motion, the vibration generated by the motor 4 itself is transmitted to the buffer portion 45. Absorbing, not being transmitted to the substrate 40, to avoid affecting the customer device (not shown), so that the motor 4 as a whole has a greatly reduced vibration effect compared to the prior art, and the motor 4 thus reduces the chance of noise generation. When the motor 4 is applied to, for example, a disc player, a hard disk drive, a fan, or a projector 095107894, the form number A0101, page 6 of 13 pages 0893405688-0 1339474, not only has the same skill as the prior art. Different customer needs The elastic, can also reduce the vibration phenomena, so that the application of the motor 4 is broader and more competitive. The above description is only the preferred embodiment of the present invention, and the above-described embodiments are only intended to illustrate and not to limit the scope of the invention, which is defined by the following claims. . Equivalent changes and modifications made to the scope of the invention as claimed herein are intended to be within the scope of the invention. BRIEF DESCRIPTION OF THE DRAWINGS [Fig. 1 is a schematic cross-sectional view of a conventional art motor; the second figure is another old art view of a cross-sectional window; the third figure is another conventional technique'; : _ ^ |, 丨 ^ schematic diagram; and the fourth diagram is a schematic cross-sectional view of the motor of the embodiment of the invention. [Major component symbol description] 1 motor 10 substrate 100 opening 11 stator 110 bump 111 shaft hole 12 rotor 13 driving portion 130 coil 131 magnetic block 14 shaft 095107894 grass number A01G1 page 7 / total 13 page 0983405688 -0 1339474 2 Screw 3 Client device 20 Shim 4 Motor 40 Substrate 400 Opening 41 Stator 411 Shaft hole 42 Rotor 4 3 Drive unit 430 Coil 4 31 Magnetic block 44 Rotary shaft 45 Buffer portion 412 Sleeve

095107894 Form No. A0101 Page 8 of 13

0983405688-0

Claims (1)

1339474 VII. Patent application scope: 1. A motor comprising: a substrate having an opening; a stator comprising a sleeve, the sleeve having a shaft hole; a buffer portion disposed on the stator The outer side of the sleeve and the opening of the substrate; a rotor sleeved in the shaft hole of the stator by a rotating shaft; and a driving portion located between the stator and the rotor. 2. The motor of claim 1, wherein one side of the buffer portion is disposed on an inner edge of the opening of the substrate, and the other side is sleeved on one end of the sleeve of the stator. . : Fiber::^ .; 3. As shown in the second paragraph of the patent application, the cross-sectional shape of the breaking portion is U-shaped, V-shaped, L-shaped or I-shaped. 4. The motor of claim 2, wherein the buffer portion is made of rubber, nitrile rubber, sponge, plastic or a combination thereof. 5. The motor of claim 1, wherein the driving unit further increases The step includes a coil and a magnetic block, wherein the coil is located on an outer side of the stator, and the magnetic block is located at one of the rotors and is opposite to the coil, or the magnetic block is located outside the stator And the coil is located inside one of the rotors and opposite to the magnet block. 6. The motor of claim 1, wherein the motor is applied to a color wheel of a disc player, a hard disk drive, a fan, or a projector. 095107894 Form number Α0101 Page 9 of 13 0983405688-0