TWI352161B - Hinge mechanism - Google Patents

Description

1352161 [ϊοο^οβ^ 22Η Amendment ΐ 6. Inventive Note: [Technical Field] [0001] The present invention relates to a hinge structure, and more particularly to a folding electronic device having an automatic opening function Hinge structure. [Prior Art] [0002] With the rapid development of wireless communication technology and information processing technology, portable electronic devices such as mobile phones and PDAs (personal digital assistants) enable consumers to enjoy the convenience brought by high technology anytime and anywhere. Folding electronic devices are popular among consumers because of their exquisite structure.

[0003] Folding electronic devices usually connect the body and the cover body by a hinge structure. Xi B knows that the hinge structure usually includes the main shaft, the cam, the follower and the elastic, and the elastic sleeve is placed on the main shaft. One of the cam and the follower is in direct contact with the spring, and the cam and the follower are under the elastic force of the spring. Keep in touch and match. When the state is off, the convex peak of the cam surface of the cam is located in the valley of the cam surface of the follower; when the flip is opened, the convex peak of the cam is opposite to the convex peak of the follower by the valley of the follower. The cam peak is automatically slid into the other valley of the follower; the hinge structure of the type realizes the cover by overcoming and moving the cam surface of the cam against the cam surface of the follower against the elastic force of the spring The opening and closing of the body. [0004] However, when the above-mentioned hinge structure is used, the user usually needs to be equipped with both hands to open the cover body, so that the user cannot perform one-hand operation when answering or making a call, and the operation is inconvenient; Although the steady state can meet the general operation requirements of the user, it cannot meet the requirement of using the multi-angle positioning of the flip cover. In addition, the cam surface of the follower and the cam is mostly angular, after repeated use 'easy to wear, after repeated friction 094116670 Form No. A0101 Page 6 / 23 pages 1〇〇3222〇8i, 0 1352161 will change In order to achieve this, the present invention provides a hinge structure that can be automatically (four) and can be left in any position. - a kind of hinge structure, the fixed setting rainbow is provided with a clamping 苟: a control member, the end portion is provided with a fitting portion 1 and the fixing yoke portion w is detached from the engaging portion of the control member; a first elastic member provides elasticity Acting on the control member; a second elastic member; a ^ > follower, the follower is provided with a groove and a horizontal portion at one end, the follower and the control member (four) (four). _ right axis, end shaft The external thread is provided thereon, and the two ends of the pumping portion have no connecting portion respectively; the cam has a protrusion (4), and the second elastic member provides an elastic force to cause the cam to abut against the follower, and the cam is advanced. The step is provided with a shaft hole. The shaft hole is provided with an internal thread which cooperates with the external thread of the shaft. The cam has a protrusion on the outer circumferential wall. The protrusion of the cam is fitted to the groove of the follower. - a kind of hinge structure' includes: a fixing seat, the fixing seat is provided with a card '-control member', and one end thereof is provided with a fitting portion' the engaging portion of the fixing seat can be separated from the engaging portion of the control member; The elastic member provides elastic force to the second miscellaneous member of the control member; - (4) the follower member is provided with a groove and a horizontal portion, and the follower member and the control member are fixed relative to each other. The end shaft is provided with an external thread, and the two and second two are respectively provided with a connecting portion; the cam has a protruding portion at one end, and the first elastic member provides an elastic force to cause the follower to abut the cam, the cam In-dream has a sleeve hole, the shaft hole is provided with an internal thread, which cooperates with the external thread of the wheel, the cam has a convex block on the outer circumferential wall, and the protrusion of the cam cooperates with 094116670 Form No. A0101 Page 7 / A total of 23 pages 1003222081-0 1352161 On June 22, 100, the replacement page was corrected at the horizontal part of the follower. [0008] Compared with the hinge structure of the prior art, the hinge structure releases the control member by an external force, and then the cam moves on the shaft under the action of the second elastic member, which further drives the cover body to open relative to the body, thereby realizing The lid is automatically opened with one hand. [0009] In addition, the cam is provided with two protruding portions, and the follower is correspondingly provided with a groove and a horizontal portion, and the protruding portion of the cam can slide to the horizontal portion with respect to the groove of the follower member, so that the cover body stays relative to the body At any position in the horizontal part, the need for multi-angle positioning of the cover body is realized. [Embodiment] [0010] The preferred embodiment of the hinge structure of the present invention is applicable to a folding or flip type portable electronic device (not shown) having a body and a cover. The following is exemplified by its application to a mobile phone, which includes a body and a cover. [0011] Please refer to the first figure and the second figure. The hinge structure of the preferred embodiment of the present invention includes a fastener 4, a fixing base 5, a control member 6, a first spring 7, a locking φ member 8, and a second spring. 9. Baffle 91, ball body 92, follower 10, cam 20, shaft 30, sleeve 40 and retaining ring 50. [0012] The fastener 4 has a disk shape with a deformation hole 41 in the middle. [0013] The fixing base 5 is substantially cylindrical and has an outer peripheral wall 510 and a bottom wall 520. The bottom wall 520 closes the end of the fixing base 5 and opens at the other end. Two slots 530 are symmetrically formed along one end of the outer peripheral wall 510 having an opening. A shaft hole 504 is formed in the bottom wall 520, and two side holes 505 are opened on both sides of the adjacent shaft 504. The bottom wall 520 extends toward the opening side with two symmetrical bosses 560, which are respectively phase 094116670 Form No. A0101 Page 8 / Total 23 Page 1003222081-0 1352161 Correction of the replacement page adjacent side hole 55 0 and tight The peripheral wall 510 is attached. On the outer circumference of the outer peripheral wall 510, a rotation preventing groove 570 is opened, and the rotation preventing groove 570 can cooperate with the mobile phone body so that the fixing base 5 and the mobile phone body are not rotated relative to each other.

[0014] The control member 6 is substantially cylindrical, and has two opposite side grooves 61 at one end of the barrel, and an engaging wall 62 at each of the adjacent side grooves 61. The side groove 61 of the control member 6 is fixed. The bosses 560 of the seat 5 are matched, and the engaging wall 62 is caught between the two bosses 560 of the fixing base 5, so that the control member 6 can be engaged with the fixing base 5. The diameter of the inner wall of the engaging wall 62 is smaller than the control member. The inner diameter of the barrel is 6 and a step is formed in the barrel. The opposite side of the side groove 61 is extended with two opposite protrusions 63. The periphery of the bottom of the protrusion 63 is provided with a rib 64 upward. The rib 64 can be fitted into the slot 530 of the mount 5 such that the control member 6 is further engaged with the mount 5. [0015] The first spring 7 is a columnar spring having a diameter substantially the same as the diameter of the barrel of the control member 6, but larger than the inner diameter of the engaging wall 62, so that the first spring 7-end can be resisted by the control member. The locking wall 8 is formed in a substantially cylindrical shape, and has two opposite step walls 81 extending along one end of the peripheral wall, and a latching groove 82 is formed in the adjacent stepped wall 81. The stud 63 of the control member 6 can be caught in the slot 82 of the locking member 8 to fix the locking member 8 and the control member 6. The inner diameter of the stepped wall 81 is smaller than the diameter of the first spring 7, and the outer diameter of the stepped wall 81 is larger than the diameter of the first spring 7, so that the other end of the first spring 7 abuts against the stepped wall 81 of the lock 8. The other end opposite to the step wall 81, the fastener 8 extends with two convex walls 83, and two rectangular grooves 84 are formed between the two convex walls 83. 094116670 Form No. A0101 Page 9 of 23 1003222081-0 1352161 100 years 06 Revision of the replacement page on the 22nd of the month [0017] The second spring 9 is a cylindrical coil spring which can be fitted over the shaft 30. [0018] The baffle 91 is an annular metal gasket that can be placed over the ball body 92 in use. [0019] The ball body 92 is composed of a plurality of spherical balls.

[0020] The follower 10 is substantially a hollow cylinder, and has two engaging portions 11 at one end thereof, and engaging grooves 12 are formed at two sides of the adjacent engaging portions 11. The mating portion 11 is engageable in a rectangular slot 84 of the lock member 8, and the mating slot 12 is engageable with the convex wall 83 of the lock member 8, thereby engaging the follower member 10 with the lock member 8. The other end of the follower 10 is provided with two recesses 15 and two horizontal portions 16. The groove 15 is a groove provided on the follower 10. The bottom surface of the groove 15 may be a curved surface, a sloped surface or the like, and the shape thereof is different depending on the angle at which the cover body needs to be opened. The inside of the follower 10 is provided with a stepped hole 13 which is smaller in diameter than the other end than the stepped end of the groove 15. The accommodating groove 14 is disposed on the wall of the stepped hole 13 for accommodating the ball body 92. When assembled, the baffle 91 is placed on the ball body 92 so that one end of the second spring 9 abuts against the baffle 91. [0021] The cam 20 is substantially cylindrical and has two projections 24 on one end thereof that cooperate with the two grooves 15 of the follower 10. The center of the cam 20 is provided with a shaft hole 22, and an inner thread 23 is provided on the inner peripheral wall thereof. Two outer parallel projections 21 are provided on the outer peripheral wall of the cam 20. [0022] The shaft 30 sequentially includes an end shaft 31, a center shaft 32, and a deformation shaft portion 33. The end shaft 31 is provided with an external thread 311, and the end of the end shaft 31 is provided with a resisting portion 312. The center shaft 32 is columnar, and the end shaft 31 is formed with a step 34 at its junction. The deformed shaft portion 33 has a non-circular cross section, and has a ring groove 331 at one end thereof, and the fastener 4 can be caught in the ring groove 331. [0023] The sleeve 40 has a hollow cylindrical shape, and one end of the opening is closed at one end. In the sleeve 40 094116670 Form No. A0101 Page 10 / Total 23 Page 1003222081-0 1352161 - June 22, 1100 The circumferential wall extends longitudinally with an opposite long groove 42 whose outer circular wall is opposite to the long groove 42 The two blocks 43 are used to cooperate with the mobile phone cover. The lug 21 of the cam 20 cooperates with the long groove 42 of the sleeve 4〇 so that the cam 20 and the sleeve 40 have no relative rotation β [0024] [0026] [0027] 094116670 The ring 50 is a 0 a ring that can be snapped onto the abutting portion 312 of the shaft 30. Referring to the third figure, when assembling, the & wheel 2 () is screwed into the outer thread 311 by the (four) pattern 23, and the cam 20 is placed over After the end shaft 31 of the shaft 3, the follower 10 penetrates along the deformed shaft portion 33 of the shaft 30, and the groove 15 of the follower 1 is engaged with the two projections 24 of the cam 20. The ball body 91 is placed in the follower < valley groove 14, and the shutter 92 is placed on the ball body 91. The second spring 9 is sleeved on the shaft 3 ' 'the end of the baffle 92 which is abutted against the follower 1 再 and then the convex wall 83 of the lock 8 is engaged with the engaging groove 12 of the follower. The mating portion 配合i fits into the rectangular slot 84 of the fastener 8 to secure the firmware 8 and the follower 10. The first spring 7 and the control member 6 are sequentially sleeved on the shaft 30, the first spring 7 end is abutted against the step wall 81 of the locker 8 and the other end is abutted against the control member wall 62 and the control member The protrusion 63 of the 6 is fitted into the card day 2 of the fastener 8 to fix the control member 6 and the locking member 8: the other end of the two springs 9 abuts against the bottom wall of the solid body: The shaft portion of the fixing base 5 is extended, and the fixed boss 560 is engaged with the side groove 61 of the control member 6, so that the limit 33 is rotated relative to the fixed seat 5, and the card is stuck on the ring groove of the deforming shaft portion 33. Thereby, the above components are fixed to the shaft 3〇. The assembled components described above are placed along the cam 2. One end projects into the sleeve 4. Internal cam form number Α〇] 〇ι 丨丨 page / total 23 pages 1003222081-0 [0028] [0028] 100 years of June zTj 20 bump 21 fits into the long groove 42 of the sleeve 4〇, pumping The abutting portion 312 of (10) projects from the half-end of the sleeve 4 (), and the card E1 ring 5G is caught on the abutting portion 312' of the shaft 30 to complete the above assembly process. The above hinges, ··. On the mobile phone, the fixed slot 5 of the holder 5 is engaged with the body of the mobile phone, and the block 43 of the sleeve 40 is engaged with the cover of the mobile phone. In the initial state, the cover body is closed with respect to the body, and the second spring 9 has a certain pre-pressure applied to the follower 10 and transmitted to the cam 20, so that the cam 20 has a rotation tendency with respect to the external thread 31 of the end shaft 31, but due to the control The limit of the 6-piece solid seat 5, the cam 2〇 remains stationary. The first spring 7 can be preset to a certain pressure or not. [0029] When the user uses the mobile phone to operate the mobile phone with one hand, the control member 6 is axially moved by the external force, which further drives the first spring 7 to move in the direction of the cam 2〇. At this time, the lock 8 does not move. The first spring 7 accumulates the elastic potential energy. When the engaging wall 62 is disengaged from the restriction of the boss 560 of the fixing seat 5, the cam 20 drives the follower due to the elastic force of the second spring 9 transmitted by the follower 1〇. 10, the external thread 31 of the end shaft 31 of the shaft 30 rotates, and the second spring 9 abuts against the follower 1 by the baffle 92 and the ball body 91, so that the follower 10 and the second spring 9 The inter-sliding friction is converted into rolling friction, which reduces the energy loss between. [0030] While the cam 20 rotates, the follower 1 〇 'locker 8 , the first spring 7 and the control member 6 both move to the right and rotate together, and the cam 2 〇 further drives the sleeve 40 to rotate, thereby driving The cover rotates 'until the cover body is opened relative to the body' at this time. Due to the elastic potential energy accumulated by the first spring 7, the Q94116670 pushes the control member 6 to the left in the opposite direction, so that the carding wall 62 of the control member 6 is stuck again. Between the two bosses 560 of the fixed seat 5, the cam 20 stops rotating. Form No. A0101 Page 12 of 23 1003222081-0 1352161

Replacement page I after June 22, 1100

[0031] When closing, the cover body is pulled by hand, and the cover body drives the sleeve 40 to rotate, further driving the cam 20 to rotate relative to the external thread 31 of the end shaft 31, so that the cam 20 rotates and moves relative to the shaft 30, because the control member 6 It is stuck in the boss 560 of the fixing base 5, and cannot be rotated' and the locking member 8 and the follower 10 connected thereto cannot rotate; due to the action of the two protruding portions 24 of the cam 20, the follower 10 is pushed to the left, and the cam The protrusion 24 of the 20 is unscrewed by the groove 15 of the follower 1

When the protruding portion 24 of the cam 20 is rotated to the horizontal portion 16 of the follower 1 , the second spring 9 accumulates a certain elastic potential energy, and continues to apply force, and the protruding portion 24 of the cam 20 slides into the next groove 15 again. The edge is stopped, the force is applied by the spring force of the second spring 9 and the rebound length of the second spring 9 is greater than the pitch of the thread outside the shaft 30, so that the protruding portion 24 of the cam 20 automatically slides to the follower 10 The bottom of the recess 15 is such that the cover is closed relative to the body. [0032]

[0033] 094116670 The preferred embodiment of the hinge structure of the present invention can also be manually opened, the cover body is pulled by hand, the cover body drives the sleeve 40 to rotate, and the cam 2 is driven to rotate the external thread 31 of the opposite end shaft 31 to make the cam 2〇 rotates and moves relative to the shaft 3〇, because the control member 6 is stuck in the boss 560 of the fixed seat 5, and cannot be rotated, and the lock 8 and the follower 1() connected thereto cannot be rotated; The function of the second protruding portion 24 pushes the follower 1 向 to the left, and the protruding portion 24 of the reading cymbal is unscrewed by the two grooves 15 of the follower 10, and the cymbal wheel 2 is rotated. The protruding portion 24 is rotated to the horizontal portion η of the follower 1Q, and the force is stopped, and the protruding portion 24 of the cam 1 can stay on the horizontal portion 16 of the __, so that the body is opened and the force is applied continuously, and the cover can be The body stays relative to the body to achieve the multi-angle positioning of the cover. =: In the preferred embodiment of the present invention, the lock material can be omitted to make the control (four) follower 1Q directly contact, ♦ spring and the second bullet form number A0101 page 13 / 23 pages 1003222081-0 1352161 100 years 06 On the 22nd of the month, the shuttle is replacing the leaf spring 9 directly against the follower 10. [0034] It can be understood that the engaging portion of the boss 560 and the slot 530 of the fixing base 5 can adopt other structures; the matching portion of the side groove 61' of the control member 6 and the engaging portion 62 and the rib 64 can also adopt other Structure; as long as the fixing seat 5 and the control member 6 can achieve locking and unlocking functions. It will be appreciated that the projection 24 of the cam 20 can be separated from the cam 22 by the surface shape of the cam 20 that cooperates therewith to define the projection. [0036] It can be understood that the first spring 7 and the second spring 9 can be replaced by other first elastic members and second elastic members, such as elastic sponges or the like. [0037] It will be appreciated that the sleeve 40 can be omitted and the cam 20 can be directly coupled to the mobile phone cover. [0038] It can be understood that the rotation groove 570 of the fixing base 5 can also be disposed on the fastener 41. [0039] It can be understood that the ring groove 331 and the abutting portion 312 at both ends of the shaft 30 can also adopt other connection forms. For example, the thread may be provided with a flange at one end and the fixing portion 8 at the other end. [0040] It can be understood that the connecting portions at both ends of the shaft 30 are directly connected to the body or the cover of the mobile phone. [0041] It can be understood that the fasteners 4 and the fastening ring 50 combined at both ends of the shaft 30 can also be in the form of other fixing members. [0042] It can be understood that the ball body 92 can also be replaced by a cushion such as a plastic gasket or a lubricating oil. 094116670 Form No. A0101 Page 14 of 23 1003222081-0 1352161 June 22, 2014 Shuttle Replacement Page [0043] In summary, the present invention complies with the patent requirements of the invention, and patents are filed according to law. However, the above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above embodiments, and those skilled in the art will be able to make equivalent modifications or variations in accordance with the spirit of the present invention. It should be covered by the following patent application. BRIEF DESCRIPTION OF THE DRAWINGS The first drawing is an exploded perspective view of a preferred embodiment of the hinge structure of the present invention; the second drawing is a perspective view of the preferred embodiment of the hinge structure of the present invention in another direction [0045]; A cross-sectional view of a preferred embodiment of the hinge structure of the present invention. [0000] [Main component symbol description] Card firmware: 4 [0047] Mounting: 5 [0048] Bottom wall: 520 [0049] Shaft hole: 540 ® [0050] Boss: 560 [0051] Controls: 6 [0052] Engagement wall: 62 [0053] rib: 64 [0054] Locking: 8 [0055] Card slot: 82 [0056] Rectangular slot: 84 094116670 Form number A0101 Page 15 of 23 1003222081-0 1352161 [0057] Baffle: 91 [0058] Follower: 10 [0059] Cooperating groove: 12 [0060] accommodating groove: 14 [0061] Horizontal part: 16 [0062] Bump: 21 [0063] Internal thread :23 [0064] Axis: 30 [0065] External thread: 311 [0066] Center shaft: 32 [0067] Step: 34 [0068] Sleeve: 40 [0069] Block: 43 [0070] Deformation hole: 41 [0071 ] Peripheral wall: 510 [0072] Slot: 530 [0073] Side hole: 550 [0074] Slot groove: 570 [0075] Side groove: 61 094116670 Form number A0101 Page 16 / Total 23 page 100 years 22 22 Japanese shuttle poetry page change 1003222081-0

1352161 June 22, 100 nuclear replacement page [0076] Columb: 63 [0077] First spring: 7 [0078] Step wall: 81 [0079] Convex wall: 83 [0080] Second spring: 9 [0081 ] Ball body: 92 [0082] Mating part: 11 • [0083] Stepped hole: 13 [0084] Groove: 15 [0085] Cam: 20 [0086] Shaft hole: 22 [0087] Protrusion: 24 [0088] • End shaft: 31 [0089] Resistor: 312 [0090] Deformation shaft: 33 [0091] Ring groove: 331 [0092] Long groove: 42 [0093] Clamping ring: 70 094116670 Form No. A0101 Page 17 / Total 23 pages 1003222081-0

Claims (1)

1352161 100 years; D June 22 revised replacement page ' VII, the scope of application for patents: 1. A hinge structure, comprising: a fixed seat, the fixed seat is provided with a snap portion; a control member, one end of which is provided with a matching portion The engaging portion of the fixing seat can be separated from the engaging portion of the control member; a first elastic member provides elastic force to the control member; a second elastic member; and a follower member, the follower member is provided at one end a groove and a horizontal portion, the follower and the control member are relatively fixed; a shaft having an end shaft having an external thread, the shaft is respectively provided with a connecting portion; a cam, the cam is provided at one end a protruding portion, the second elastic member provides an elastic force to cause the follower to abut against the cam, and the cam is further provided with a shaft hole, wherein the shaft hole is provided with an internal thread, which cooperates with the external thread of the shaft, the cam outer The circumferential wall has a projection, and the protrusion of the cam is fitted to the groove or the horizontal portion of the follower. 2. The hinge structure according to claim 1, wherein the hinge structure further comprises a buffer body and a baffle, and the follower is provided with a receiving groove at one end of the groove, and the buffer body is placed in the receiving groove. The plate covers the buffer body, and the second elastic member abuts against the baffle. 3. The hinge structure of claim 2, wherein the buffer body is a ball body, a lubricating oil or a plastic gasket. 4. The hinge structure of claim 1, wherein the hinge structure further comprises a lock member, the two ends of which are respectively connected with the control member and the follower member. 5. The hinge structure according to claim 4, wherein the first elastic 094116670 form number A0101 page 18/23 pages 1003222081-0 135.2161 100 June 22 revision replacement page one end resists the lock On the firmware, the other end is held against the control. 6. The hinge structure according to claim 1, wherein the fixing base comprises a bottom wall and an outer peripheral wall, the engaging portion is a boss disposed on the bottom wall, and the fitting portion of the control member is a side groove. The side groove of the control member cooperates with the boss of the engaging portion. 7. The hinge structure according to claim 6, wherein the control member is provided with an engaging wall at an adjacent side groove, the diameter of the inner wall of the engaging wall is smaller than the diameter of the tubular body of the control member, and the first elastic member has one end. Resist on the inner diameter of the engagement wall. 8. The hinge structure of claim 7, wherein the hinge structure further comprises a locking member, the locking member is provided with a step wall at one end, and the other end of the first elastic member is abutted against the step wall of the locking member. . 9. The hinge structure of claim 8, wherein the fastener has two convex walls extending from one end of the stepped wall, and a rectangular groove is formed between the two convex walls, and the follower has two fits extending from the groove end. And a matching groove is formed between the two matching portions, the convex wall of the locking member is engaged with the matching groove of the follower, and the rectangular groove of the locking member is engaged with the engaging portion of the follower. 10. The hinge structure according to claim 9, wherein the outer wall of the fixing seat is provided with a slot, the control member is provided with a rib, and the rib is caught in the slot 〇11. The hinge structure of claim 1, wherein the hinge structure further comprises a sleeve, the sleeve being internally provided with a long groove, the long groove being engageable with the cam protrusion. 12. The hinge structure of claim 1, wherein the shaft is provided with a deformed shaft portion, and the fixed seat sleeve is sleeved on the deformed shaft portion of the shaft. 13. The hinge structure of claim 1, wherein the fixing seat is provided with a rotation preventing groove. 094116670 Form No. A0101 Page 19 of 23 1003222081-0 1352161 10G, June 22, the shuttle hinge structure, wherein the hinge structure further includes a fastener, The fastener can be clamped to the connection of one end of the shaft and abuts against the fixed seat. 15. The hinge structure of claim 14, wherein the hinge structure further comprises a fixing member that is coupled to the other end of the shaft at a connection portion 094116670. Form No. A0101 Page 20 of 23 1003222081- 0