TWM396575U - Hinge structure - Google Patents

Abstract

A hinge structure includes two pivot shafts, two primary gears sleeved on the two pivot shafts respectively, an elastic member, and a transmis-sion assembly positioned between the two primary gears. The hinge structure further includes a connecting member sleeved on the two pivot shafts and resisted between the primary gears and the elastic member. One of the connecting member and the primary gears forms a protrusion, and the other one defines a groove corresponding to the protrusion, such that the protrusion is capable of being latched in the groove.

Description

M396575 V. New Description: [New Technical Field] [0001] The present invention relates to a hinge structure, and more particularly to a chain structure for an electronic device. [Prior Art] [0002] A hinge structure is often provided in an electronic device such as a notebook computer, a game machine, an e-book, or a mobile phone, so that the two portions of the pivotal connection can be relatively rotated. In order to realize the linkage of the two parts of the electronic device, that is, when a force is applied to rotate one part of the electronic device relative to the other part, the hinge structure of the two parts of the electronic device is pivoted while driving another part of the electronic device to rotate, thereby realizing Double the speed of opening and closing. [0003] A hinge structure that can realize linkage, comprising two pivots, respectively disposed on two first gears and two pivoting pieces on two pivots, and the two pivoting pieces are respectively fixedly connected with two parts of the electronic device, A second gear meshed with the second gear is also disposed between the two first gears for linkage. At the same time, in order to realize the rotation of the hinge structure within a certain angle, the hinge structure also sleeves the mutually resisting cam sets on the pivot, and the rotation angle is limited by the cooperation of the cam faces. [0004] However, the hinge structure has a large number of axial components, resulting in a complicated structure. Moreover, since the rotation angle is limited by the independent cam associated with the gear, the sway is easily generated, resulting in poor synchronization of the gear linkage. To make the linkage feel uncomfortable when opening and closing. [New content] [0005] In view of the above situation, it is necessary to provide a simple structure, gear linkage form number A010I Page 3 / a total of 16 pages M396575 Synchronization is good and the joint structure is better when the joint opening and closing. [0006] A hinge structure includes a two-frame shaft, two main gears respectively sleeved on the corresponding frame shaft, an elastic member, and a transmission assembly disposed between the two main gears, the hinge structure further including a connecting member. The connecting member is sleeved on the two pivots and abuts between the main gear and the elastic member, one of the connecting member and the main gear is provided with a bump, and the other is provided with the The bumps correspond to the grooves, and the bumps can be locked in the grooves. [〇〇〇7] In the hinge structure, the locking function is realized by the bump and the groove, and there is no need to set an additional cam and the like on the drag shaft to perform the limit locking, thereby reducing the number of components'. At the same time, since the bumps and the grooves are directly disposed on the end faces of the main gears or the connecting members, the swaying is not easy to occur, so that the synchronism of the gear linkage is good, and the hand feels better when the joints are opened and closed. [Embodiment] The hinge structure of the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

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1 and 2' The hinge structure 100 includes a first shaft assembly 10, a second shaft assembly 30, a transmission assembly 50, a connecting member -7 〇, and a resisting member 9 〇. The first shaft assembly 10 and the second shaft assembly 30 are arranged side by side. The transmission assembly 50 is disposed between the first shaft assembly 1 and the second shaft assembly 30. The connecting member 70 and the resisting member 90 are sleeved on the first shaft assembly. 1〇 and the second shaft assembly 3〇. [0010] The first shaft assembly 10 includes a pivot shaft 11 and a pivoting member 13 sleeved on the pivot shaft 11, a main gear 15 and a sleeve assembly 17. [0011] The pivot cymbal 1 includes a deformed shaft section 111, a flange 11 3 and a connecting portion 115. Flange

Form No. A0101 Page 4 of 16 I

[0012] 113 is formed between the deformed shaft segment ill and the connecting portion 115 and the connecting portion 115 is also a shaft segment having a non-circular cross section. The end of the deformed shaft section lu is threaded (not shown). The pivoting member 13 is configured to connect the hinge structure 100 to a cover or a body of an electronic device (not shown), and includes a pivoting portion 131 and a fixing portion 133. The splicing portion 131 is provided with a pivot hole 1311 corresponding to the contour of the connecting portion 115 of the pivot shaft 11, and the fixing portion 133 is for fixing the pivoting member 13 to the electronic device. Referring to FIG. 3 at the same time, the main gear 15 is provided with a non-circular central hole 151, and has an end surface 153, and a portion of the end surface 153 adjacent to the edge forms a symmetrical second bump 155. The bump 155 is substantially arcuate and includes two guiding faces 1551 connected to the end face 153 to facilitate better feel when the bump 155 falls or slides out of the connector. In the present embodiment, the guide surface 1551 is a sloped surface. It can be understood that the guiding surface 1551 can also be a circular arc surface. [0014] The sleeve "and the member 17 includes a friction plate 117, a resilient member 1 γ 3 and a tight 175 elastic member 173 that abut against each other between the friction plate 171 and the fastener 175 [0015] The structure of the pumping unit 3〇 is the same as that of the first shaft unit 1〇, and the second shaft unit 3〇 also includes a pivot shaft 31 and a pivoting member 33 'the main gear 35 and the sleeve assembly 37 sleeved on the pivot shaft 31. The bumps 355 are formed on the end faces of the gears adjacent to the edges. The bump milk is substantially curved, and includes two guiding faces 3551 connected to the end faces 353 to facilitate the feel of the bump milk falling into or out of the connecting member 70. More preferably, in the present embodiment, the guiding surface 3551 is a sloped surface. It can be understood that the guiding surface 3551 can also be a circular arc surface. [0016] The shaft assembly includes a friction plate 371, an elastic member 373 and a tightly pressed one by one. Form No. A0101 Page 5 of 16 [0017] M396575 [0019] Firmware 375, elastic member 373 is resisted between the friction plate 371 and the fastener 375. The transmission assembly 50 includes two rotating shafts 51 and respectively sleeved a secondary gear 53 on the second rotating shaft 51. The rotating shaft 51 has a deformed portion 511 having a non-circular cross section and a plug portion 513 having a circular cross section. The insertion portion 513 is matched with the secondary gear 53 by an interference method. The connecting member 7G is an elongated strip member, and a shaft hole 71 is defined in a portion adjacent to the two ends, and a symmetry is formed adjacent to each of the shaft holes 71. The groove is 3. The shaft hole Ή is a circular through hole, and the groove 73 is an arc groove formed around the shaft hole 71. The shape of the groove 73 corresponds to the shape of the protrusions 155 and 355, and each groove Μ The sliding surfaces 731 corresponding to the guiding surfaces 1551 and 3551 are disposed on the two sides, so that the protrusions 155 and 355 can be respectively slid into and locked in the grooves 73. In the embodiment, the sliding surface 731 is a slope. It can be understood that the slip surface 731 is also a circular arc surface. The resisting member 90 includes a sleeve portion 91 and a bend formed by bending from the edge of the socket portion 91. 卩93 » the sleeve portion 91 is adjacent to the second portion A circular pivot hole 911 is defined in each of the opposite edge portions, and two non-circular shaft holes 913 are defined between the two pivot holes 911. The two shaft holes 913 are respectively disposed at the center of the two pivot holes 911. The upper and lower sides of the line ensure that the rotating shaft 51 is vertically offset when mounted on the resisting member 9'. The bent portion 93 is perpendicular to the socket portion 91, and is used for When the connecting body of the sub-device and the connecting arm (not shown) of the main body are assembled, the deformation portions 511 of the two rotating shafts 51 of the transmission assembly 5 are respectively inserted into the two rotating shafts of the sleeve portion 91 of the resisting member 90. In the hole 913, the secondary gear form number Α0101 [0020] M396575 53 is sleeved on the rotating shaft 51 by the interference method, so that the secondary gear 53 and the resisting member 90 are non-rotatably connected. The first shaft assembly 10 The deformed shaft segment 111 of the pivot shaft 11 sequentially passes through the pivot hole 911 of the sleeve portion 91 of the resisting member 90, the center hole 151 of the main gear 15, the shaft hole 71 of the connecting member 70, and the sleeve assembly 17 to make the first The protrusion 155 of the main gear 15 of the shaft assembly 10 is received in the corresponding groove 73 of the connecting member 70. At this time, the elastic member 173 of the sleeve assembly 17 is in a natural extension state or a predetermined compression amount, so that the sleeve is sleeved. The fastener 175 of the assembly 17 is threadedly locked with the end of the pivot shaft 11 with the sleeve portion 91 of the abutment member 90 abutting against the flange 113 of the pivot shaft 11. The connecting portion 115 of the pivot shaft 11 is passed through the pivot hole 1311 of the pivoting portion 131 of the pivoting member 13, so that the pivoting member 13 is non-rotatably coupled to one end of the pivot shaft 11. The second shaft assembly 30 is coupled to the connecting member 70 and the resisting member 90 in the same manner to complete the assembly of the hinge structure 100. [0021] When the cover of the electronic device drives the pivoting member 13 of the first shaft assembly 10 to rotate relative to the second shaft assembly 30, the main gear 15 of the first shaft assembly 10 transmits torque to the second gear 53 The main gear 35 of the two-axis assembly 30 rotates the two main gears 15, 35 in opposite directions to realize the interlocking opening and closing of the cover and the body of the electronic device, thereby achieving twice the opening and closing speed. During the rotation, when the protrusions 155, 355 of the main gears 15, 35 slide out of the groove 73 by an external force, the protrusions 155, 355 abut against the connecting member 70, thereby compressing the elastic members 173 of the sleeve assemblies 17, 37, 373, the elastic members 173, 373 apply pressure to the friction member 171 ' 371, so that the two main gears 15, 35 can be positioned at any position under the action of the friction force, so that the cover of the electronic device can be stopped at any position. When the bumps 155, 355 are slid to the position of the sliding surface 731 of the groove 73, the bumps 155, 355 are generated by the elastic restoring force of the form number A0101, which is generated by the elastic members 173, 373, 7 pages/16 pages M396575. It automatically slides into the groove 73 to realize the cover of the locking electronic device, and the hand feels better when the opening and closing are performed. Moreover, since the bumps 155 and 355 are directly disposed on the end faces 155 and 355 of the main #15, 35, it is possible to avoid adding additional cams and the like to perform limit locking, thereby reducing the number of components, simplifying the structure, and being less prone to sloshing. The synchronization of the linkage limit is better, and the touch is better when it is opened and closed. [0022] The accommodating space formed by the connecting member 70 and the resisting member 90 can play a certain dustproof function, thereby ensuring normal rotation of the main gears 15, 35 and the transmission assembly 50. [0023] It can be understood that the bumps 155, 355 can be formed on the connecting member 70 at a position adjacent to the shaft hole 71, and correspondingly, the recesses 73 recessed in the axial direction are respectively formed on the main gears 15, 35. A bump may also be formed on one of the main gear 15 or the main gear 35, and a groove may be formed on the other, and accordingly, a groove and a bump may be formed on the connecting member 70. The bumps 155, 35 5 may also have other shapes, such as a spherical shape. Correspondingly, the recess 73 may have other shapes. The bumps 155 and 355 may also be other numbers, such as one or three, and accordingly, the grooves 73 may be other numbers. [0024] The transmission assembly 50 may also be a meshing chain or the like, and accordingly, the main gears 15, 35 are provided as key wheels. [0025] The resisting member 90 can be omitted, and the main gear 15 is abutted against the flange 113 of the pivot 11, and accordingly, the main gear 35 is also disposed in the same manner. The threads at the ends of the pivots 11, 31 can be omitted, and the elements on the pivots 11, 13 are axially locked by means of pins extending through their ends. [0027] In summary, the present invention has indeed met the requirements of the invention patent, and the patent application is filed according to law. However, the above is only the preferred embodiment of the present invention. Form No. A0101, page 8 of 16 M396575, which cannot limit the scope of patent application in this case. Equivalent modifications or variations made by persons skilled in the art in light of the spirit of the invention are intended to be included within the scope of the following claims. BRIEF DESCRIPTION OF THE DRAWINGS [0028] FIG. 1 is a perspective assembled view of a hinge structure of the present invention. 2 is an exploded perspective view of the hinge structure of FIG. 1. 3 is an enlarged view of a main gear and a connecting member in the hinge structure shown in FIG. 1.

[Main component symbol description] [0031] Hinge structure 100 [0032] First shaft assembly 10 [0033] Second shaft assembly 30 [0034] Transmission assembly 5 0 [0035] Connector 70

[0036] Resistor 90 [0037] Pivot 11, 31 [0038] Pivot member 13 [0039] Main gear 1 5 [0040] Bushing assembly 17, 37 [0041] Deformed shaft segment 111 [0042] Flange 11 3 Form No. A0101 Page 9 / Total 16 pages M396575 [0043] Connecting portion 115 [0044] Connecting portion 131 [0045] Fixing portion 133 [0046] Pivot hole 1311 [0047] Center hole 151 [0048] End face 1 53 [0049] Bump 155 [0050] Guide Surface 1551 [0051] Friction Plate 171 [0052] Elastic Member 173 [0053] Fastener 175 [0054] Connector 33 [0055] Main Gear 35 [0056] End Face 3 5 3 [0057] Bump 355 [0058] Guide surface 3551 [0059] Spindle 51 [0060] Sub-gear 53 [0061] Deformation 511 Form No. A0101 Page 10 of 16 M396575

[0062] Inserting Portion 513 [0063] Shaft Hole 71 [0064] Groove 73 [0065] Slip Surface 731 [0066] Socket Portion 91 [0067] Bending Portion 93 [0068] Pivot Hole 911 [0069] Shaft hole 913

Form No. A0101 Page 11 of 16

Claims (1)

M396575 VI. Patent application scope: 1. A hinge structure, comprising two pivot shafts, two main gears 'elastic members respectively sleeved on the corresponding frame shafts and a transmission assembly disposed between the two main gears' The connector includes a connecting member disposed on the two pivots and abutting between the main gear and the elastic member, wherein one of the connecting member and the main gear is provided with a bump, and A groove corresponding to the protrusion is provided in an opening, and the protrusion is lockable in the groove. 2. The chain structure of claim 1, wherein the groove is formed on the connecting member, and the bump is formed on an end surface of the main gear. 3. The key structure according to claim 2, wherein the connecting member has a two-axis hole, and the two-frame shaft passes through the corresponding shaft hole, and the groove is adjacent to the The shaft hole is opened. 4. The hinge structure of claim 1, wherein the bumps are two arcuate bumps disposed symmetrically, and the recesses are two arcuate recesses corresponding to the bumps. 5. The hinged knot of claim 4, wherein the bump comprises two guiding faces, and the groove comprises two sliding faces corresponding to the guiding faces of the bumps. 6. The hinged knot of claim 5, wherein the guide surface is a sloped surface and the slip surface is a sloped surface. 7. The hinge knot according to claim 5, wherein the guide surface is a circular arc surface, and the sliding surface is a circular arc surface. 8. The hinge structure of claim 1, wherein the bumps are symmetrically disposed two spherical bumps, and the recesses are two spherical recesses corresponding to the bumps. The hinge structure of claim 1, wherein the hinge structure further includes a resisting member, and the resisting member includes a socket portion, wherein the hinge structure is further included in the present invention. And the bending portion, the sleeve portion is sleeved on the pivot shaft, the connecting member and the resisting member form an accommodating space, and the two main gears and the transmission component are disposed in the accommodating space The hinge structure of claim 1, wherein the transmission assembly includes a secondary gear and two rotating shafts, and the two rotating shafts are fixed to the socket of the resisting member, The secondary gear is sleeved on the rotating shaft. 099216258 Form No. A0101 Page 13 of 16 0992049648-0