TWI221271B - Damper - Google Patents

Abstract

A damper is suited for buffering slight vibration. By changing the shape of the damper in its radial direction or forming a plurality of caves in the damper, the coefficients of elasticity of damper in its axial directions can be changed. Relatively, the buffer abilities of the damper in its different axial directions can be adjusted. Besides, a structure of a damper comprises a damper and a clamp. The measure and the placement of the contact area between the damper and the clamp can be changed to adjust the buffer abilities of the structure in its different axial directions.

Description

1221271 Case number _ _91120044

i minus the only one written by Wei On, which is a life-saving device, and it is easy to make it 丨} Xiduo} Many invention descriptions (1): ~ 一一 —_ This invention is about ~ Vibrating glue 4 body, which can be in different axial directions ; t lifting body, and especially about a computer's different vibration reduction capabilities with the rapid development of computer technology *. =, According to the operating principle of the optical disc drive, peripheral devices continue to promote the old read type (R ead 〇 1 1 y), the port ° 'The types of optical disc drive are mainly ly) optical disc drive and overwrite type R, /, this write Single-use (Write-type optical disc drive, because of Hab 1 e) optical disc drive and so on. The coverage speed has been continuously increased, so 2 = the reading or writing of data by the disc drive must be designed to improve the read and write operations of the data: lack = this can be used to read and write data The problem of the optical disc drive itself. Second, due to the eccentricity or excessive vibration of the optical disc, the data reading and writing operations of the optical disc drive were rotating at high speed. Into multiple vibration reduction structures, the technology is designed to install micro-vibration inside the optical disc drive, so that the noise can slow down the industry generated when the optical disc drive operates at high speed. , ', For which the write head can normally read and write data. ^ It / will show the familiar—some components of a CD-ROM drive and its Loader) As shown in Figure 1, this CD-ROM drive 10 has a body, Add Cao sowing machine (TraVerSe) 14, motor 14a (vibration source, ghost ^ Dynamic Mass) 16 and casing (not shown). This one; 4 makes the optical disc drive 10 have a sufficient damping effect, and it is known to be equipped with 203 with 'Isolalator 20a' and multiple vibration-absorbing gels (Damper pliers ^ the inside of the optical disc drive 10 ' It is also equipped with a plurality of sweet buckle structures 18a and 18b, which are respectively used to clamp the vibration-isolating colloid 20a and the vibration-absorbing colloid.

Page 6 1221271 _Case No. 91192004__ Month and Day__ V. Description of Invention (2) 20b. It is worth noting that, although the vibration-isolating colloid 20a and the vibration-absorbing colloid 20b are similar in appearance, but the two are only slightly different in size, the following is the vibration-isolating colloid 2 0 a and the corresponding clamp structure 1 8 a As an example. Please refer to FIG. 2A, which shows a schematic diagram of a conventional vibration isolation gel and a clasp structure. The conventional vibration isolation gel 20a has a radial groove 22 and an axial through hole 24. The radial groove 2 2 corresponds to the radial direction of the vibration-isolating colloid 20 a (that is, the left-right direction of the drawing), and is recessed on the outer edge of the vibration-isolating colloid 20 a, and the axial through-hole 24 corresponds to the vibration isolation The axial direction of the vibrating colloid 20 a (that is, the up and down direction of the figure), and penetrates the body of the vibration isolating gel 20 a, and the clamp structure 1 8 a is to clamp the vibration isolating gel through the radial groove 22 2 0 a. Please refer to Figs. 1 and 2B at the same time, wherein Fig. 2B shows a conventional cross-sectional view of the vibration-isolating colloid, to which the optical disc drive 10 of Fig. 1 is applied. The vibration-isolating colloid 20 a is arranged between the clasping structure 18 a, the supporting structure 26 a, and the supporting structure 26 b. The clasping structure 1 8 a belongs to a part of the movement 14 and the supporting structure 2 6 a is part of the structure of the casing (not shown), and the supporting structure 2 6 b is part of the structure of the fuselage 12. Therefore, when the two axial end surfaces of the vibration-isolating colloid 20 a contact the bearing structure 26a and the bearing structure 26b, respectively, and the clasping structure 1 8a clamps the vibration-isolating colloid 2 through the radial groove 22. At 0 a. In addition, the axial connection element 28 (for example, a screw element) can be sequentially penetrated through the bearing structure 26a, the axial through hole 24, and the bearing structure 26b, and the bearing structure 26a and the bearing structure 26b can be connected, thereby connecting The relative positions of the casing and the fuselage 12, and thus the fixed bearing structure 2 6 a and the bearing structure 2 6 b are relatively fixed. Please refer to Figures 1 and 2B at the same time. Since the material of the vibration-isolating colloid 20 a is an elastic material, the vibration-isolating colloid 20 a itself will have the ability to absorb vibration and

9822twf1.ptc Page 7 ^ 21271 Case No. 91120044 Description of Invention (3) Revision-Characteristics of buffering vibration. Therefore, the movement of the movement 4 will pass through the clasp structure 18a and the slightness generated by the motor 14a: the body 20a absorbs the vibration and cushions the vibration = glue = 'the vibration is no longer transmitted to the fuselage.彳 2 Chi ~ Said that the majority of the vibration shell is subjected to slight vibrations from the outside, such as the shell, etc. At the same time, the fuselage 12 or the machine or the bearing structure 26b is transmitted to the vibration glue, and the body is passed through the bearing structure 26a. Ί Continue inward via the clasp structure 18a = 'large'. The vibration of the cents is not as shown in the figure. The conventional system uses multiple vibration isolations. J J: Heart II. Therefore, such as 〇b, and cooperate with a plurality of clamp buckle girls Xigt> body 208 and a shock absorber colloidal disc drive 10 of the movement 14 is a county brother 4 Zhuangxi buckle structure 1 8b, and However, the light of the known ^ the inside of the optical disc drive 10, ° ° sub-sharp shape, the upper and the same shape (short cylindrical or) is installed inside the optical disc drive: two $ 3 $ of vibration isolation gel and The slight vibration generated by the vibration-absorbing colloid, or, and, the motor obtained by flushing the optical disc drive Note ... Due to the slight vibration of the disc drive. The value of j and the buffering vibration 1 without i make the colloid come to fruit. Stew has the best vibration reduction effect. In view of this, the object of the present invention is to adjust the vibration damping ability of a different type of vibration damping colloid on different axes and edges. The number is used to adjust its different axial directions. The present invention is Laoshan ^ wherein the vibration damping colloid has a radial groove

1221271 Case No. 911200 Φ: Year W & Year of the Earth Amendment V. Description of the Invention (4) Radial and recessed on the outer edge of the vibration-damping colloid, and the shape of the section profile in the radial direction of the vibration-damping colloid is asymmetric shape. Among them, the damping colloid further has an axial through hole, which corresponds to the axial direction of the damping colloid and penetrates the body of the damping colloid. Also based on the above-mentioned object of the present invention, the present invention further provides a vibration-damping colloid, wherein the vibration-damping colloid has a radial groove, which is recessed on the outer edge of the vibration-damping colloid corresponding to the radial direction of the vibration-damping colloid, and the vibration is reduced. The colloid further has at least one groove, which is recessed on the outer edge of the vibration-damping colloid. Wherein, the groove is an axial groove, which is recessed on the outer edge of the vibration-damping colloid corresponding to the axial direction of the vibration-damping colloid, and the axial groove is communicated with the above-mentioned radial groove. In addition, the damping colloid has an axial through hole which penetrates the body of the damping colloid corresponding to the axial direction of the damping colloid. Also based on the above object of the present invention, the present invention further provides a vibration damping structure, which mainly includes a vibration damping gel and a clamp structure. The damping colloid has a radial groove, which is recessed on the outer edge of the damping colloid corresponding to the radial direction of the damping colloid. The clamp structure clamps the damping gel through the radial groove, and the clamp The contact area between the inner edge of the structure and the inner wall of the radial groove is smaller than the area of the inner wall of the radial groove. Among them, the damping colloid further has an axial through hole, which corresponds to the axial direction of the damping colloid and penetrates the body of the damping colloid. In order to make the purpose, features, and advantages of the present invention more comprehensible, three preferred embodiments are given below and described in detail in conjunction with the accompanying drawings as follows: Symbols and descriptions of the drawings 1 0: Optical disc drive 12: Drive Body 1 4: Movement 1 4 a: Motor (source of vibration)

9822twf1.ptc Page 9 1221271 _Case No. 9119440;. Amended on February 2, 2005 _ V. Description of the invention (5) 1 6: Weighting block 1 8 a, 1 8 b: Clamping structure 2 0 a: Vibration-isolating colloid 2 0 b: Vibration-absorbing colloid 2 2: Radial groove 2 4: Axial through hole 2 6 a, 2 6 b: Bearing structure 2 8: Shaft-like connection element 1 1 8 • Clamping structure 1 2 0: Less Vibration colloid 1 2 2: Radial groove 1 2 4: Axial through hole 126: Bevel 128: Groove 1 3 0: Vibration damping structure The first embodiment is to enable the vibration damping colloid to provide different Vibration damping ability. The first embodiment of the present invention is mainly to change the shape of a part of the cross-sectional profile in the radial direction of the damping colloid to an asymmetric shape, such as a rectangular, elliptical or higher-order curve, etc. The coefficient of elasticity in different axial directions is also different, so the vibration damping capacity of the vibration damping colloid can be adjusted. Please refer to FIG. 3A, which illustrates a schematic diagram of the first vibration-damping colloid of the first embodiment of the present invention. The vibration damping gel 1 2 0 has a radial groove 1 2 2, which is corresponding to the radial direction of the vibration damping gel 1 2 0 (that is, the left-right direction of the drawing) and is recessed on the outer edge of the vibration damping gel 1 2 0. The buckle structure 1 1 8 can clamp the damping gel 1 2 0 through the radial groove 1 2 2, and the shape of the cross-sectional profile of the damping gel 1 2 0 in the radial direction of the radial groove 1 2 2 is It is asymmetric, such as rectangular or other shapes. It is worth noting that the asymmetric shape referred to here is a shape other than a circle. In addition, the shape of the inner edge of the clamp structure 1 1 8 must conform to the shape of the radial grooves 1 2 2 of the clamp vibration damping gel 1 2 0, such as

9822twf1.ptc Page 10 1221271 go 9 _Case No. 91192004 April Amendment _ V. Description of the invention (6) Only in this way can the clamp structure still pass through the radial groove 1 2 2 while the clamp buckle the vibration-absorbing gel 120. In addition, the vibration damping gel 120 may further have an axial through hole 124 corresponding to the axial direction of the vibration damping gel 120 (that is, the upper and lower directions in the figure), and penetrate the body of the vibration damping gel 120. Please refer to FIG. 3B, which illustrates a schematic diagram of the second vibration-damping colloid of the first embodiment of the present invention. The vibration-damping colloid 1 2 0 has a radial groove 1 2 2, which corresponds to the radial direction of the vibration-damping colloid 120 (that is, the left-right direction of the drawing) and is recessed on the outer edge of the vibration-damping colloid 1 2 0. 1 1 8 can clamp the damping gel 1 2 0 through the radial groove 1 2 2, and the shape of the cross-sectional profile of the outer edge of the damping gel 1 2 0 in the radial direction is asymmetric, such as rectangular or Other shapes. It is worth noting that the asymmetric shape referred to here is also a shape other than a circle. In addition, the vibration-damping colloid 120 may further have an axial through-hole 124 corresponding to the axial direction of the vibration-damping colloid 120 (ie, the upper and lower directions in the figure) and penetrating through the body of the vibration-damping colloid 120. Please refer to FIG. 3C, which illustrates a schematic diagram of a third vibration-damping colloid according to the first embodiment of the present invention. The vibration-damping colloid 120 has a radial groove 122, which corresponds to the radial direction of the vibration-damping colloid 1 2 0 (that is, the left-right direction of the drawing) and is recessed on the outer edge of the vibration-damping colloid 1 2 0, and the clasping structure 1 1 8 can clamp the damping gel 1 2 0 through the radial groove 1 2 2, and the outer edges of the damping gel 1 2 0 close to the radial groove 1 2 2 have slopes 1 2 6, The shape of all the cross-sectional profiles in the radial direction of the vibration-damping colloid 120 is two or more asymmetric shapes. It is worth noting that the asymmetric shape referred to here is also a shape other than a circle. In addition, the vibration-damping colloid 120 may further have an axial through-hole 124 corresponding to the axial direction of the vibration-damping colloid 120 (ie, the upper and lower directions of the drawing).

9822twf1.ptc Page 11 1221271 u ～ 日 丨 Case No. 91192004 U Service ί £ Yuanϋ Revision V. Description of the Invention (7) First, it penetrates the body of the vibration-damping colloid 120. Please refer to FIG. 3D, which shows a schematic diagram of a fourth vibration-damping colloid of the first embodiment of the present invention. The vibration-damping colloid 120 has a radial groove 122, which corresponds to the radial direction of the vibration-damping colloid 1 2 0 (that is, the left-right direction of the drawing) and is recessed on the outer edge of the vibration-damping colloid 1 2 0, and the clasping structure 1 1 8 can clamp the damping gel 1 2 0 through the radial groove 1 2 2, and the outer edges of the damping gel 1 2 0 that are away from the radial groove 1 2 2 have slopes 1 2 6, The shape of all the cross-sectional profiles in the radial direction of the vibration-damping colloid 120 is two or more asymmetric shapes. It is worth noting that the asymmetric shape referred to here is also a shape other than a circle. In addition, the vibration-damping colloid 120 may further have an axial through-hole 1 24, which corresponds to the axial direction of the vibration-damping colloid 120 (ie, the upper and lower directions in the figure), and penetrates the body of the vibration-damping colloid 120. Based on the above, the shape of the cross-sectional profile in the radial direction of the vibration-damping colloid of the first embodiment of the present invention is asymmetric, such as rectangular, oval, or higher-order curve, so the diameter of the vibration-damping colloid can be changed by The shape of the upward cross-sectional profile is used to change the elastic coefficient in different axial directions of the vibration-damping colloid, so as to adjust the vibration-damping ability of the vibration-damping colloid in different axial directions. The second embodiment is different from the first embodiment in that the vibration damping colloid of the second embodiment of the present invention is formed with a groove in the inside to change the elastic coefficient of the vibration damping colloid in different axial directions, thereby adjusting the damping Vibration damping capacity of different colloids in different axial directions. Please refer to FIG. 4A, which illustrates a schematic diagram of the first vibration-damping colloid of the second embodiment of the present invention. The vibration-damping colloid 120 has a radial groove 122, which

9822twf1.ptc Page 121221271 _Case No. 9119044 λ Year / Month; Day Correction_ V. Description of the invention (8) ............ Corresponds to the radial direction of the vibration-absorbing colloid 1 2 0 ( That is, the left-right direction of the figure) is recessed on the outer edge of the vibration-damping gel 1 2 0, and the clamp structure 1 1 8 can clamp the vibration-damping gel 1 2 0 through the radial groove 1 2 2. It is worth noting that the vibration damping gel 1 2 0 further has an axial groove 128, which corresponds to the axial direction of the vibration damping gel 120 and is recessed on the outer edge of the vibration damping gel 1 2 0, for example, corresponding to the vibration damping gel 1 2 0 The axial direction is recessed on both end surfaces in the axial direction of the vibration-absorbing gel 1 2 0. In addition, the vibration-damping colloid 120 may further have an axial through-hole 1 24, which corresponds to the axial direction of the vibration-damping colloid 120 (i.e., the up-down direction of the figure) and penetrates the body of the vibration-damping colloid 120. Please refer to FIG. 4B, which illustrates a schematic diagram of a second vibration-damping colloid according to the second embodiment of the present invention. The vibration-damping colloid 120 has a radial groove 122, which corresponds to the radial direction of the vibration-damping colloid 1 2 0 (that is, the left-right direction of the drawing) and is recessed on the outer edge of the vibration-damping colloid 1 2 0, and the clasping structure 1 1 8 can clamp the damping gel 1 2 0 through the radial groove 1 2 2. It is worth noting that the vibration-damping colloid 1 2 0 further has at least one axial groove 1 2 8 corresponding to a depression on the outer edge of the vibration-damping colloid 1 2 0, for example, corresponding to the axial direction of the vibration-damping colloid 1 2 0. The inner wall of the radial groove 122 of the vibration-damping colloid 120 causes the axial groove 128 to communicate with the radial groove 1 2 2. In addition, the vibration-absorbing gel 1 2 0 may further have an axial through-hole 1 2 4, which corresponds to the axial direction of the vibration-absorbing gel 1 2 0 (that is, the upper and lower directions of the figure), and penetrates the body of the vibration-absorbing gel 1 2 0. . Based on the above, the vibration-damping colloid of the second embodiment of the present invention has a groove which is recessed on the outer edge of the vibration-damping colloid to change the elastic coefficient in different axial directions of the vibration-damping colloid, thereby adjusting the difference of the vibration-damping gel Axial damping ability. Third embodiment

9822twf1.ptc Page 13 1221271 _Case No. 91192004__ Month and Day__ V. Description of the Invention (9) The third embodiment of the present invention is to disclose a vibration-damping structure, which is mainly composed of a vibration-damping colloid and The structure of the clamp structure can be adjusted by changing the size and distribution of the contact surface between the vibration damping gel and the structure of the clamp structure, so as to adjust the vibration reduction capacity of the vibration reduction structure in different axial directions. Please refer to FIG. 5, which illustrates a schematic diagram of a vibration damping structure according to a third embodiment of the present invention. The damping structure 1 3 0 includes a damping gel 1 2 0 and a clamp structure 1 1 8. The damping gel 1 2 0 has a radial groove 1 2 2, which corresponds to the radial direction of the damping gel 120 (ie, the figure The left and right directions of the formula) are recessed on the outer edge of the vibration-damping gel 1 2 0, and the clamping structure 1 1 8 can clamp the vibration-damping gel 1 2 0 through the radial groove 1 2 2. It is worth noting that, compared with the clip structure 1 8 a of FIG. 2A, the sides of the inner edge of the clip structure 1 1 8 of FIG. 5 can form a beveled or recessed structure, so that The contact area between the inner edge of the clamp structure 1 1 8 and the inner wall of the radial groove 1 2 2 will be smaller than the area of the inner wall of the radial groove 12 2, and at the same time, the distribution of the contact surfaces between the two will be changed. In addition, the vibration-damping colloid 120 may further have an axial through-hole 1 24, which corresponds to the axial direction of the vibration-damping colloid 120 (that is, the upper and lower directions of the drawing) and penetrates the body of the vibration-damping colloid 120. Based on the above, the vibration-damping structure of the third embodiment of the present invention is mainly to change the size and distribution of the contact surface between the vibration-damping colloid and the clasp structure to adjust the vibration-damping ability of the vibration-damping structure in different axial directions. In summary, the present invention is used to change the elasticity of the vibration-absorbing gel in different axial directions by changing the shape of the cross-sectional profile of the vibration-absorbing gel in the radial direction, or by adding a recess to the outer edge of the vibration-absorbing gel. Coefficient, thus adjusting the vibration-absorbing ability of the vibration-absorbing colloid in different axial directions. In addition, the vibration-damping structure of the present invention changes the size and analysis of the contact surface between the vibration-damping colloid and the clamp structure.

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_Case No. 91120044_ Year Month Amendment_ Five. Description of the invention (10) The cloth is used to adjust the vibration damping capacity of this vibration damping structure in different axial directions. Therefore, the preset vibration-damping operating point of the same optical disc drive can use vibration-absorbing colloids or structures with different elastic coefficients in different axial directions, so that the same optical disc drive can obtain the best vibration-damping effect, thereby effectively improving the optical disc. Read and write performance of the machine. However, the vibration-damping colloid and the vibration-damping structure of the present invention are not only applied to the technical field of optical disc players, but also can be applied to any other equipment or device that needs to cushion the slight vibration, so as to obtain the best vibration-damping effect. Although the present invention has been disclosed as above with three preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make some modifications and retouching without departing from the spirit and scope of the present invention. The scope of protection of the invention shall be determined by the scope of the attached patent application.

9822twf1.ptc Page 15 1221271 _Case No. 91192004_Year Month Date__ Brief Description of Drawings Figure 1 shows a stereoscopic exploded view of some components of a conventional optical disc drive, and Figure 2A shows a conventional vibration-isolating colloid. Schematic diagram of the structure with the clasp; Fig. 2B shows a conventional vibration-isolating gel, which is a partial cross-sectional view of the optical disc drive 10 of Fig. 1; Figs. 3A to 3D sequentially show the first part of the present invention. Schematic diagrams of four kinds of vibration-damping colloids of an embodiment; Figures 4 A to 4 B sequentially show schematic diagrams of two kinds of vibration-damping colloids of the second embodiment of the present invention; and Figure 5 illustrates a third kind of vibration-damping colloids of the present invention. Schematic diagram of the vibration damping structure of the embodiment.

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Claims (1)

1221271 Case No. 9119044! Sixth, the scope of patent application L. ———— * Revision 1. A vibration-damping colloid, which has a radial groove, which corresponds to the radial section of the vibration-damping colloid and is recessed upwards in section 2. For example, apply the radial upward shape of the special colloid. 3. If applying for a special axial through hole, it is on the body. 4. A vibration damping body is radially recessed with at least one groove, 5. If the application groove is an axial recess outside the vibration damping colloid 6. If an application specific groove is connected to 7. If applying Dedicated axial through hole to the body. 8. A vibration-damping and vibration-damping colloid, which is recessed radially in the jaw structure at the outer edge of the vibration-damping colloid, and the shape of the diameter profile of the vibration-damping colloid is asymmetric. The damping colloid according to item 1 of the benefit range, wherein the shape of all the profile of the reduction includes at least two shapes of the damping colloid according to item 1 of the benefit range, and there is a shaft that should pass through the damping colloid. The colloid of the vibration-damping colloid has a radial groove corresponding to the vibration-damping gel on the outer edge of the vibration-damping colloid, and the vibration-damping colloid is further recessed on the outer edge of the vibration-damping colloid. The damping colloid according to the fourth item of the invention, wherein the groove is recessed at the edge corresponding to the axial direction of the damping colloid. The vibration-absorbing colloid according to item 5, wherein the shaft is a radial groove. The damping colloid described in the fourth item of the utility model has a structure that should pass through the damping colloid in the axial direction, and includes a radial groove that corresponds to the damping colloid corresponding to the damping colloid. The outer edge; and clamping the damping gel via the radial groove, which 9822twf1.ptc Page 17 93. 1221271 Case No. 91192004: Amendment on the 6th, the scope of the patent application -............-- 1 The contact area between the inner edge of the clasp structure and the inner wall of the radial groove is smaller than the area of the inner wall of the radial groove. 9. The vibration-damping structure described in item 8 of the scope of patent application, wherein the vibration-damping colloid further has an axial through-hole, which penetrates the body of the vibration-damping colloid corresponding to the axial direction of the vibration-damping colloid. 9822twf1.ptc Page 18