TW509757B - Damper and assist grip - Google Patents

Abstract

This invention is related to a rotary damper capable of efficiently doing assembly operation by providing projection parts engaging with a locking part of a mating component to be attached on both sides in the axial direction. This rotary damper is provided with a housing 11 provided with a shaft support hole 12a on a bottom part 12 and having an open ceiling, an output shaft 21 provided with a flange 22 and rotatably inserted in the housing 11 and having a projection part 24A projecting out from the shaft support hole 12a, an O-ring 51 sealing between the bottom part 12 and the flange 22; a rotor main body 31 inserted in the housing 11 and receiving the output shaft 21 therein to a condition where the flange 22 is abutted and outer peripheral surface opposing an inner peripheral surface of the housing 11 with a predetermined space therebetween, a cap 41 closing the ceiling of the housing 11 and having the projection part 24B of the output shaft 24 projected to rotatably support the output shaft 21, an O-ring 52 sealing between the cap 41 and the output shaft 21 and viscous fluid 53 filled in a filling space formed with the housing 11, the output shaft 21, the rotor main body 31, the O-ring 51, the cap 41 and the O-ring 52. Rotation prevention means are provided on the projection part 24A, 24B of the output shaft 21 projecting out from the housing 11 and the cap 41.

Description

Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs 1 509757 A7 _____ B7 V. Description of the invention (1) [Technical field to which the invention belongs]. The present invention relates to a shell or a housing that is relatively rotatable by viscous resistance of a viscous fluid Rotating body's rotating damper, and auxiliary handle device using the rotating damper. [Conventional Technology] FIG. 11 is an example of a conventional longitudinal cross-sectional view of a rotary damper, and FIG. I 2 corresponds to a cross-sectional view taken along the line χ-χ in FIG. 11. In these drawings, '1' indicates a bottomed cylindrical casing, which is composed of a circular bottom 2 and a cylindrical peripheral wall 3 connected to the periphery of the bottom 2. A shaft support hole 2a is provided at the center of the bottom 2 to rotatably support a shaft portion 5 to be described later, and a ring-shaped receiving recess 2b connected to the shaft support hole 2a is provided on the outside. A ridge 3a is provided on the outer side of the peripheral wall 3 to extend in the axial direction at a predetermined height, and a stopper 3b is provided on the inner side to extend in the axial direction. Reference numeral 4 denotes a rotating body that also serves as a cover, and includes: a shaft portion 5 provided with a through hole 5a and a blade 5b, which extends toward the shaft side on the outer periphery and faces the peripheral wall 3 with a predetermined gap; The flange 6 of the cover function is connected to one end of the shaft portion 5 and is provided with a receiving recess 6a around the outer periphery, and at the same time, a protrusion 6b extending in a radial direction is provided on the outside. 7 denotes a 0-ring, which is accommodated in the accommodating recess 2b, and seals between the bottom 2 and the shaft portion 5. 8 denotes a 0-ring, which is accommodated in the accommodating recess 6a, and seals between the peripheral wall 3 and the flange 6. 9 indicates viscous fluids such as silicone oil, filled in the paper size of the outer dream paper to apply Chinese National Standard (CNS) A4 specifications (210 X 297 mm) 313045 (Please read the precautions on the back before filling this page) f Order ---------- I Αν .----------- 509757 A7 B7 V. Description of the invention (2) 1. Rotating body 4 and 0-rings 7 and 8 Filled space. (Please read the precautions on the back before filling in this page.) The rotary damper thus constructed, when the housing 1 and the rotating body 4 rotate relatively, the viscous resistance of the viscous fluid 9 passing through the gap between the peripheral wall 3 and the blade 5b , The relative rotation of the casing 1 and the rotating body 4 is blocked. For example, West German Patent Publication No. 35 1 3293 has such a rotary damper. [Problems to be Solved by the Invention] Since the above-mentioned conventional rotary damper is attached to only one end side in the axial direction of the protruding portion (protrusion 6b) that is engaged with the retaining portion (groove) of the installation object, only One end side is supported, because the centers (holes or holes) through which the fulcrum is inserted [through holes & and mounting holes (or holes)] are deviated from each other's centers, so good workability cannot be obtained during assembly. In order to solve the above-mentioned problems, the present invention provides a rotary damper capable of obtaining good workability during assembly by providing protrusions fastened to a fastening portion of an installation target at both ends in the axial direction, and using the rotation Auxiliary handle device for damper. [Solutions to Solve Problems] The employee ’s cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs printed the rotary damping hole of the present invention. The top is the bottom of the opening. The outer core is the bottom. It can be inserted in a rotatable manner to face each other at a predetermined interval, and the outer surface of the second and second structure Γ is sealed with the inner peripheral surface of the housing; the cover is closed to press the housing, and the support between the rotating body and the housing is rotatable. Sword dog body door t ^, Sui Feng member 'fight seal between the cover and the reciting body; and the viscous muddy tincture is charged by the shell, the rotating body, the second 313045 509757

V. Description of the invention (Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs 31. The filling space formed by the sealing member, cover and second sealing member. In addition, it is better to provide a through hole facing the axis in the rotating body, and At least one of the two protrusions protruding from the housing and the cover is a branch-restricted rotation mechanism. The rotary damper according to the present invention includes: a shell with a bottom as a bottom and a protrusion with a top as an open bottomed cylinder. The rotating body is rotatably inserted into the casing and the outer peripheral surface and the inner peripheral surface of the casing are at a predetermined interval to cover the top of the casing, and at the same time, a part of the rotating body is protruded and can be rotated. A sealing member that seals the cover between the cover and the rotating body; and a viscous fluid filled in the filling space formed by the housing, the rotating body, the cover, and the sealing member. &Quot; Preferably, a through hole is provided in the rotating body in the direction of the axis, and at least one of two protrusions protruding from the housing and the cover is provided with a rotation restricting mechanism. The present invention is an auxiliary handle device that uses an elastic pressing device to urge an auxiliary handle that is pivotally supported to a restored position, and uses any of the above-mentioned rotary dampers to block the rotation of the auxiliary handle. In addition, it is preferable to maintain the rotary damping The holder of the device is provided with two protruding P-lockable buckle portions, and the rotary damper is arranged on a support shaft that supports the auxiliary handle in a rotatable manner. [Embodiments of the invention] The following is explained based on the drawings The embodiment of the present invention. —The first diagram is a sectional view of the first half of the first embodiment of the rotary damper of the present invention in the right half of the paper (CNS) A4 size (G X 297 mm) ~ ------ 313045 (Please read the notes on the back before filling this page) ------- Order ---------

V. Description of the invention (Front view of 4 copies printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs, Figure 2 is an exploded oblique view of the unbelievable turning damper in Figure 1 and # 1, Figure 3 (a ), (B) are the 2 η μ ~ silk I ^ 1 Μ 2 the top view of the body of the non-rotating body and FIG. 3 (a) the cross-sectional view of the line Y-Υ, s 』4 is the first figure The top view of the rotary damper is shown in Figure 5. Figure 5 is the bottom view of the rotary damper shown in Figure 2. Figure 6 is the right side view of the rotary damper shown in Figure 1. Figure 7. The left side view of the damper, Fig. 8 is a longitudinal sectional view of the state in which the output shaft and the 0-ring are installed in the casing, and X α r 円 / mainly enters the viscous fluid in the casing. The views are symmetrical to the left and right. Figures 1 and 8 are enlarged views compared to Figures 2 to 7. In these drawings, D represents a rotary damper, which includes a bottomed cylindrical casing 11 and an output shaft. 21, rotatably inserted into the casing ^, and a part protrudes from the upper and lower ends of the casing 11; the rotating body 31 is inserted into the peripheral 11, and is The shaft 21 constitutes a rotating body; the lid 4 closes the top of the housing u as the O-ring 5 of the first sealing member, and seals between the housing 丨 and the output shaft 21; and the O-ring 52 of the second sealing member. To seal the gap between the output shaft 21 and the cover 41; and a viscous fluid filled in the filling formed by the housing 11, the rotating body (the output shaft 21 and the rotating body 31), the cover, and the 0-rings 51 and 52 The above-mentioned peripheral device 11 is formed of a synthetic resin, and has a circular bottom 12 with a circular shaft support hole 12a 'at the center which rotatably supports the output shaft 21 and is provided with the shaft support hole. 12a is a ring-shaped accommodating recess 丨 2b that bulges from the inside to the outside from the center, and a cylindrical wall 13 is provided on the periphery of the bottom 12 and the outside is provided with a predetermined height toward the shaft Toward the protruding ridge 13a.

This paper size applies to China National Standard (CNS) A4 (210 X 29f ^ iJ 313045 —-------- ^ --------- (Please read the precautions on the back before filling this page) ), Description of the invention (In addition, the front end (upper worm) of the peripheral wall 13 is a meat ring wall 13b. 'The output shaft 21, which is thin along the inner peripheral surface, is a through hole 21a through which a synthetic resin is passed. ≫ A flange 22 is provided on the output shaft 21 with the direction facing the axis, taking into account the height calculated from the lower end of the O-shaped product. The thickness of the two deformations is provided at an interval of i 2 0 degrees from the direction toward the periphery, and M = the outer periphery of the upper side. The example extends a predetermined length. The large bar 23 is oriented toward the axial direction * The large output portions 24A and 24B of the wheel output shaft 21 protruding from the housing 11 and the cover 41 are provided with a symmetrical cutout in the axial direction and an upper cut (I cut) The rotation limiting mechanism is called 1. In order to facilitate the insertion of the engaging groove 32 described later, the corners are retracted from the upper side to the upper side. H Dog bar 23 series Inverted j Rotating body 31 is formed in a synthetic shape, with a buckle on the inner periphery 5 dog strips 23 fitted with the buckling groove 32, the name leisure # 2 at 120 degrees in the circumferential direction | the interval is set from the lower to the upper side The outer periphery has grooves 33 which are recessed portions extending a predetermined length from the lower end to the upper end side, and are provided at intervals of 120 degrees in the circumferential direction so as to be located between the fastening recesses 32. In order to easily insert the fastening protrusions 23 ', the fastening recesses The lower end side of the groove 32 is open to the lower side. The cover 41 is made of synthetic resin, and is provided with a shaft support hole 42 at the center to rotatably support the output shaft 21 with a peripheral edge connected to the shaft support hole 42. The receiving recess 43 is used to receive the circular O-ring 52, and at the same time, the outer peripheral surface I a has an annular fitting groove 44 that fits into the outer periphery of the thin meat annular wall 13b. 丨 本 · 纸 —— ~ -1- ---------— IMWI (Please read the precautions on the back before filling out this page) i 丄 丄 Printed by the Intellectual Property Bureau of the Ministry of Economic Affairs and printed by the Consumers 'Cooperative 313045 V. Invention Description (' Intellectual Property Bureau of the Ministry of Economic Affairs Printed by the staff consumer cooperative = the outer diameter is the same as the outer diameter of the peripheral wall 13. The lower side is opened to enter the wheel exit shaft 21 'The shaft support hole 42 is chamfered to form the lower side meat ring two ring-shaped wall 131? The ditch 44 is closed, and the thin soil and the ditched ditch will be described assembling. First, 'push out the wheel sleeve 21々H / Ii, push the flange 22 side of the 0-meter ring qgu 1 into the 0-ring 51, and install the 0 guayi 51 below the wheel-out shaft 21. Outside: mi As shown, insert the output shaft 21 into the outer shaft η from the side of the 0-ring 51, so that the protruding portion 24A passes through the outside of the shaft support hole ，, and at the same time, the 俨 -shaped ridge from the bottom to the bottom 12 is opened. The recessed portion 12 b is sealed between the casing 11 and the output shaft 21 by an O-shaped mounting 51. In this state, a predetermined amount of viscous flow is injected into the casing 1 (filling ★ body 53. (different filling workshop). Secondly, in order to bulge the rotating body body 31 on the output shaft 21, each of the engaging grooves 32 and When the rotating protrusion body η is pushed into the housing 11 correspondingly to the fastening protrusion 23, the rotating protrusion body 31 is pushed into the housing u as shown in FIG. From the inside to the contact edge 22, 'X can make the rotating body 31 fit on the wheel output shaft 21. Then,' pull the output 2] into the O-ring 52 and place the O-ring on the upper end of the rotating body 31. Next 'Make the output shaft 2! Pass through the shaft support hole 42 and close the housing 11 with the cover. When the cover 11 is closed, 0% 52 will be embedded in the receiving recess 43 and sealed between the output shaft 21 and the cover 41 with an O-ring M. A thin meat ring The wall m protects a paper in the paper, and the compensator $ quasi (CNS) A4Lai⑵G2 ----- ||

(Line) x 297 mm) 313045 6 509757 V. Description of the invention (7) The inner surface of the ditch 44 and the outer surface of the ditch 44 are joined to the outer periphery of the thin meat ring wall 13b, while the protruding portion 24B protrudes from the cover 41. In the ㈣ state, the thin meat ring wall b and the rafter 4 are cut by ultrasonic welding, for example, and the meat ring wall m and the lid are sealed, and the state shown in Fig. 1 can be assembled.: Top 2 'According to the i-th embodiment of the rotary damper D according to the present invention, in the outer two: the output shaft 21 (rotating body) with a 0-shaped ring 51 is closed and the shaft is supported by a hole n. The injection of the viscous fluid 53 into the outer cavity is efficient and easy. After the second person injected the viscous fluid 53, the rotating body 31 years old a was on the output shaft 21, so the # 性 fluid 53 would not be lost. It can make the assembly work good. Ya can provide a torque that does not change, PD. Non-inverted damping due to the outer body of the rotating body 31 is equipped with 澧 ^ accumulated air? Let the air penetrate the filling space, still == θ variable and susceptible rotating damper D. Since it is rotated integrally with the rotating body 31 by the fastening shaft 23 of the fastening protrusion 23 and the fastening groove 32, the rotation can be changed, and the reliability is high. Rotary Damper D. The two ends of the center are provided with protruding portions 24A and Shi. Therefore, the lending portions 24A and 24B are fastened to the fastening portion of the installation object. Good workability. Business payment — due to the application of I cutouts on 2 protrusions 24A, 24B — China ^ ((: Ν3 ^ 格 ⑵. 心 公 ^ ”No limit 313045 7 509757 A7 B7 Printed by the Consumer Cooperative of Intellectual Property Bureau of the Ministry of Economic Affairs 8 May Explanation of the invention (8 Rotating mechanism, so it can be mounted on the installation object in a non-rotating manner. Figure 9 is a front view of the right half of the second embodiment of the rotary damper according to the present invention, and Figures 1 to 8 The same or corresponding parts are denoted by the same reference numerals and descriptions thereof are omitted. The front view, rear view, top view, bottom view, right side view, and left side view of the rotary damper are the same as those of the first embodiment of the rotary damper. Reference numeral 12c denotes a protrusion, which is integrally formed with the center of the outer side of the circular bottom 1 2 A of the synthetic resin housing 11A, and is provided with a notch as a rotation restricting mechanism. The protrusion 12c has a first position corresponding to the rotation damper D. The protruding portion 24A of the embodiment has the same function. 21b represents a through-hole, and is provided in the center of the output shaft 2ia made of synthetic resin from the end of the protruding portion 24B to the end side that is inserted into the housing 11A. The second embodiment of the slave-rotation damper D can be assembled in the same manner as the first embodiment of the rotary damper D, so the description is omitted. The second embodiment of the rotary damper D can also be obtained with a rotary damper. The same effect as in the first embodiment of D. Fig. 10 is an exploded perspective view omitting a part of one embodiment of the auxiliary handle device of the present invention, and the same or equivalent parts as those in Figs. One embodiment of the auxiliary handle device is the first embodiment using the rotary damper 0. In Fig. 10, A indicates the auxiliary handle device and includes a bracket (holding 313045 mn · m I— 1_ · n US m 1_1 nn ·· n I · —i -1-1 nmm I · nnn · nt§ —in I (Please read the precautions on the back before filling out this page) 509757 Printed by A7, Consumer Cooperatives, Intellectual Property Bureau, Ministry of Economic Affairs Description of the invention (9): 61A, 61B, which are used to install the auxiliary handle 81 described later at a predetermined position; a rotary damper D, which buffers the rotation of the auxiliary handle 81; a torsion spring 71, which is used to elastically press the auxiliary handle 81 to recover position Spring mechanism; door-shaped auxiliary handle 81, both ends of which are rotatably mounted on brackets 61A, 61B; support shaft 9! 'Is used to mount the rotary damper D, torsion spring 71, and auxiliary handle η on bracket 61A, 61B. The brackets 61A and 61B are provided with: a mounting portion 62 provided with a mounting hole 62a; and a support piece 63 provided with a shaft support hole 63a for supporting the support shaft 91 and facing downward and hanging from the mounting portion 62. The support piece 63 The interval is approximately the height of the rotary damper D (not shown in Figure 1, except for the length H of the protrusions 24A and 24β), and each of the brackets "A

Inside the support piece 63, a groove 63b, which is a snap-fitting and engaging portion of the protrusions 24A, 24B of the rotary damper D, is formed in a straight line that passes from only one end to the shaft support hole 63a. The ends of the above-mentioned auxiliary handles 81 covering the brackets 6A, 61B are provided with through holes 82 through which the support shaft 91 can pass. The auxiliary handle 81 covers the end of the bracket 61A, and a fitting opening (or fitting recess) 83 in which the protrusion i3a of the rotary damper D can be fitted is provided. Next, an example of mounting the auxiliary handle will be described. Each of the brackets 61A and 61B is installed at a predetermined position of the mounted portion (not shown) by using mounting screws and mounting holes 62a (not shown). Then, the protruding portions 24A and 24B are fitted into the grooves 63b so that the rotary damper D is positioned between the supporting pieces 63 of the bracket 61A. l The paper size is applicable to the Chinese National Standard (CNS) A4 specification ⑵G x 297 public hair) ~ ---- 9 313045 ——ί —— # .------- tx ------ (Please read first (Notes on the back then fill out this page)

V. Description of the invention (10 When the consumer cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs prints and installs the auxiliary handle 81, 'the housing 11 is rotated to the position where the protrusion 13a can be embedded in the σ opening 83. Next, the protrusion 13a is embedded into the talk Closing the opening 83, the end of the hand 81 is covered with / ^ The brackets 61A, 61B are restored, and then the support shaft 91 is passed through the through-hole 82 ^ the support hole 12a, the through-hole 21a, and the through-hole 82 to be rotatable. The side of the auxiliary handle 81 is mounted on the bracket 61A. The turn side also allows the support shaft 91 to pass through the through-hole 82, the torsion spring 71 and the through 82, and the auxiliary handle is turned in a rotatable 4 way to the Korean side. The other end of 81 is mounted on the bracket 61B 〇 ′, η 1 Ϊ f Ϊ S 7 1 is arranged in a spring state, so that the auxiliary handle 8 1 is returned to the original position! For example, the spring force at a predetermined position above.- In order to use the auxiliary handle 81 installed as described above to resist the elastic force of the torsion spring 71 ❿Sr while holding the auxiliary handle 81 and pulling it downward while rotating it, it is due to the protrusion fitted into the fitting opening 83 13a rotates the casing 丨 丨 and fits in the groove 63a The output portions 24A and 24B block the rotation of the output shaft 2 ′, thus blocking the rotation of the auxiliary handle 81. When the hand is released in order to return the auxiliary handle 81 to the rest position after use, the auxiliary handle 81 is elasticized by the torsion spring 71 Return to the rest position. When the auxiliary handle 81 is returned to the rest position by the elastic force of the torsion spring 71, the rotation of the auxiliary handle 81 is also blocked. According to one embodiment of the auxiliary handle device A according to the present invention, Projections 24A and 24B are provided at both ends, and the Chinese National Standard (CNS) A4 specification (210 X 297 male f) is applicable to the P-tension scale of the bracket 61. i I ^ ^ -------- ^ -------— line (Please read the precautions on the back before filling out this page) 509757 A7

V. Description of the invention (11) A groove 63b is provided for the protrusions 24A and 24B to be inserted, so a bracket 61A serving as a guide of the protrusions 24A and 24B is provided with a rotary damper d. At both ends, the centers of the shaft support holes 12a and 63a through which the support shaft 91 passes can be made consistent, and good workability can be obtained in the assembly operation. The bracket 61A is provided with a port 63b 'to which the protruding portions 24A and 24B are fastened in a non-rotatable manner, so that the housing 11 and the rotating body can be relatively rotated. Since the rotary damper D is disposed on the support shaft 91, the portion of the shaft support _ auxiliary handle 81 can be simplified. The description of the auxiliary handle device a using the second embodiment of the rotary damper D is the same as that in the case of using the first embodiment of the rotary damper D, and therefore the pain is a little. The auxiliary handle device A 'using the second embodiment of the rotary damper D can also obtain the same effects as when the first embodiment of the rotary damper D is used. In the first or second embodiment of the above-mentioned rotary damper D, although the through-holes 21a and the insertion holes 21b are provided in the output shafts 21 and 21A, of course, the through-holes 2 1 a and the insertion holes 2 1 b may not be provided. ; The peripheral wall 13 of the housing 11 is provided with a protrusion 13 a as a fastening mechanism, so that the fitting opening 83 of the auxiliary handle 81 is engaged with the protrusion i3a, but the protrusion 13 a and the fitting opening 83 may not be installed, and The external shape of the peripheral wall 13 may be a shape other than a circular shape, and it may also serve as a locking mechanism that rotates integrally with the auxiliary handle 81. This paper size applies to China National Standard (CNS) A4 specification (210 x 297 mm) 313045 (Please read the precautions on the back before filling this page) Order -------- • Line 丨 —— Wisdom of the Ministry of Economic Affairs Printed by the Property Agency Staff Consumer Cooperative 11 11 509757 A7

Printed by the Consumers ’Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs 12 The outer circumference of the body 31 is provided with three grooves 33 that have the function of accumulating air. However, at least i can be used. At the same time, outside the filling space ^ η, 11A The same portion (peripheral wall 13) is provided with a concave portion having the same function, and the same effect is obtained. Although the rotating body is divided into the output shafts 21 and 21A and the rotating body body 31, the same effect can be obtained by using the two as one component, and at the same time, the number of components can be reduced, and the manufacturing cost can be reduced. Although the fastening protrusion 23 and the fastening groove 32 constitute the fastening mechanism, and the output shaft 21 '2 1A and the rotating body 31 rotate integrally, other fastening mechanisms, such as cutting the output shaft, make it a £ > type (1) (^) Alternatively, the shape of the hole of the rotating body may be a shape corresponding to the cross-sectional shape of the output shaft. Although the protrusions 12c, 24A, and 24B are all provided with a rotation-restricting mechanism, at least one protrusion (12c, 24A, or 24B) is provided with a rotation-restriction mechanism for I-type cutting or D-shape cutting, or another rotation-restriction mechanism with the same function. , Can also achieve the same effect. In the first embodiment of the rotary damper D, the output shaft 21 is provided with a through hole 21a, but an insertion hole (21b) may be provided instead of the through hole 21a. In the second embodiment of the rotary damper D, the output shaft 21A is provided with a through hole 21b. However, since an O-ring 51 is provided, an insertion hole 1a may be provided instead of the through hole 21b. In the second embodiment of the rotary damper D, the same effect can be obtained by flattening the bottom 12A and / or omitting the flange 22 and / or omitting the flange 51. Secondly, in one embodiment of the auxiliary handle device A, the paper size of the casing 11 is in accordance with China National Standard (CNS) A4 (210x297 mm) 313045 ----------------- ---- ^ --------- (Please read the precautions on the back before filling out this page) 509757 Printed by A7, Consumer Cooperatives, Intellectual Property Bureau, Ministry of Economic Affairs V. Description of invention (η) No shaft support hole 12a 'at the same time, the output shaft 21 is provided with a through hole 21a, and the support shaft 91 is passed through the shaft support hole 12 & Use it as a vehicle on the extension of the fulcrum 91 or arrange the rotary damper D at a position away from the fulcrum 91 so that the transmission mechanism driven by the gear will rotate the fulcrum 91 together with the auxiliary handle 81 The structure transmitted to the output shaft 2 can also block the rotation of the auxiliary handle 81. [Effect of the invention] As described above, according to the rotary damper of the present invention, since the two ends are provided with protruding portions, the two ends are supported by buckling the protruding portions of the two ends to the retaining portions of the installation object, The centers of all the holes through which the support shaft is inserted can be made consistent, and the assembly work can obtain good workability. Since Zhisha is provided with a rotation restricting mechanism on one of the two protrusions, it can be mounted on the installation object in a non-rotatable manner. According to the auxiliary handle device of the present invention, since the rotation of the auxiliary handle is blocked by the rotary damper of the present invention, a reliable braking effect can be obtained. Since the holder δ has two buckling portions that can be engaged with each other, the t-center of all holes through which the support shaft is inserted can be made uniform, and good workability can be obtained in the assembly operation. t Since the rotary damper is arranged on the support shaft, the shaft support auxiliary handle can be simplified. [Brief description of the drawing] Figure 1 is a front view of the right half of the i-th embodiment of the rotary damper of the present invention. This paper size applies the Zhongguanjia Standard (CNS) A4 specification (21G X 297 male tf 313045 • * ,--Ii ------------ # (Please read the notes on the back before filling in this page) -nnnnn n-1 an I = 0 4— ·! 509757 Employees of Intellectual Property Bureau, Ministry of Economic Affairs Printed by the consumer cooperative A7 B7 V. Description of the invention (W) Figure 2 is an exploded perspective view of the rotary damper of Figure 1. Figures 3 (a) and (b) are top views of the rotating body of Figure 2, Sectional view along line 3 (a) YY. Figure 4 is a top view of the rotary damper of Figure 1. Figure 5 is a bottom view of the rotary damper of Figure 1. Figure 6 is the rotation of Figure 1. Right side view of the damper. FIG. 7 is a left side view of the rotary damper of FIG. 1. FIG. 8 is a longitudinal sectional view of a state in which an output shaft and an O-ring are installed in the casing and a viscous fluid is injected into the casing. Fig. 9 is a front view of the right half of the second embodiment of the rotary damper according to the present invention. Fig. 10 is an omission of the present invention. An exploded perspective view of a part of an embodiment of a hand device. Fig. Π is an example of a longitudinal cross-sectional view of a conventional rotary damper. Fig. 12 is a cross-sectional view corresponding to the X-X line in Fig. U. ≫ 1 I— nf— tn m flu m an n an n In I · m is mm 1--1 HI In order --------- line (Please read the precautions on the back before filling this page) 1 , 11, 11A housing 2sλ 12¾ '42' 63¾ 2b, 6a, 12b, 43 3 > 13 peripheral wall 3b stopper 5 shaft part 5b blade 6b protrusion 2, 12, 12a bottom shaft support hole receiving recess 3a, 13a protrusion 4 Rotating body 5a '21a' 82 through-hole flange 14 313045 509757 A7 _B7 V. Description of the invention (15) Consumption cooperation by employees of the Intellectual Property Bureau of the Ministry of Economic Affairs 7 > 8 '51 > 52 0-ring 9, 53 Viscosity Fluid 12c '24A, 24B Protruding part 13b Thin meat ring wall 2 Bu 21A Output shaft 21b Pass through hole, insertion hole 23 Fastening protrusion 31 Rotating body 32 Fastening groove 33, 63b Groove 41 Cover 44 Fitting groove 61A, 61B bracket 62 mounting portion 62a mounting hole 63 support piece 71 torsion spring 81 auxiliary handle Hand 83 Funnel opening 91 Support shaft A Auxiliary handle device D Rotary damper (Please read the precautions on the back before filling this page) • ^ -1 —--------------- -Line—— This paper size applies to China National Standard (CNS) A4 (210 x 297 mm) 15 313045

Claims (1)

Printed and patented by the Consumers' Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs i. A rotary damper with: a shell with a hole at the bottom and a bottomed cylinder with an opening at the top; a rotating body that can be inserted in a rotatable manner A part of the casing is protruded from the hole at the same time, and the facing surface is opposed to the inner peripheral surface of the front shell at a predetermined interval; the first sealing member seals the rotating body and the casing, a cover, closing the top of the casing, At the same time, a part of the rotating body is protruded and supported rotatably; a second sealing member seals the cover and the rotating body; and a viscous fluid is filled in the housing, the rotating body, and the first seal. The filling space formed by the member, the lid, and the second sealing member. 2. The rotary damper according to item 1 of the patent application scope, wherein the rotating body is provided with a through hole facing the axial direction. A rotary damper is provided with: a shell, which is provided with a protruding portion at the center of the outer side of the bottom, and has a bottomed cylindrical shape; an opening rotating body is rotatably inserted into the shell and the outer surface of the shell is inside the shell The peripheral surfaces are opposed at a predetermined interval; ~ the cover closes the top of the casing, while protruding a part of the rotation and is rotatably supported; then seals the member, seals the cover and the rotating body; with a viscous fluid , Filled in by the aforementioned casing, the aforementioned rotating body, the front ^ 11 a ii? 〇 ^) A4 «(210 χ 297 ^ 3. 313045 -----------— M · — (Please read the back first Please note this page and fill in this page again) 丨 Line 16 D8, the patent application cover and the filling space formed by the sealing member. 4 · Rushen: Rotational damping fan in item 3 of the patent scope, where The body is provided with a through hole facing the axial direction. • The rotary damper of any one of claims 1 to 4 as stated in the patent claim, wherein at least one of the two protrusions protruding from the housing and the cover is provided with a restriction. Turning mechanism 6 · — The auxiliary handle device is an auxiliary handle device that uses an elastic pressing mechanism to urge the auxiliary handle rotatably supported by a shaft to a rest position. ^ Rotation damping as described in any one of items 1 to 5 of the patent claim Steam retards the rotation of the auxiliary handle. 7. The auxiliary handle device according to item 6 of the scope of patent application, wherein the holder for holding the rotary damper is provided with a buckle portion that can be fastened to the two protruding portions. 8 · If the auxiliary handle device of the patent application scope item 6 or 7 is provided, the rotary damper is arranged on a support shaft that supports the aforementioned auxiliary handle in a rotatable manner. (Please read the precautions on the back before filling (This page) Printed by the Employees' Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs, this paper is sized to the Chinese National Standard (CNS) A4 (210 X 297 mm) 17 313045