TWM258563U - Hinge structure - Google Patents

Description

M258563 __Case No.92222776_ Year Month 倏 t____ V. Creation Instructions (1) [Technical Field to which the New Type belongs] This creation is about a hinge structure, especially a mobile phone, PDA (Personal Digital Assistant, personal Digital assistant) and other portable electronic devices. [Previous technology] At present, portable electronic devices sold on the market, such as mobile phones and PDAs, are mostly foldable structures, including a cover and a body, and the cover and the body can be rotatably hinged together by a hinge. One of the hinge structures commonly used in the industry is the compression spring cam type, which uses cams and compression springs as the main components to achieve a certain opening and closing function of the cover body and the body. For example, the hinge folding device disclosed in Chinese Patent Application No. 98 1 0939 0 · 6 (refer to the first figure) is a hinge structure of this type. The hinge folding device includes a shaft 10, a spring 20, a sliding cam 30, a cam member 40, and a snap ring 50. One end of the shaft 10 is provided with a flange 102, and the flange 102 is provided with a columnar clamping block 104. The clamping block 104 is matched with the body of the portable electronic device. The cross section of the main shaft body 106 is non-circular. The cross section of the shaft end portion 108 is circular. The sliding cam is a hollow cylinder, and the cross-sectional shape of the center hole 302 is consistent with the cross-sectional shape of the main shaft body 106. The 30-end of the sliding cam is a cam surface 304. The cam member 40 is an empty cylinder with a cylindrical central hole 402. The outer surface of the cam member 40 is provided with a groove 400 that cooperates with the body of a portable electronic device. The cam member 40 has a cam surface at one end. 406. The shaft 10 passes through the spring 20, the sliding cam 30, and the cam member 40 in this order, and then the snap ring 50 is engaged at one end of the shaft 10. The sliding cam 30 is sleeved on the main shaft body 106, and the cam member 40 is sleeved on the shaft end portion 108. The cam surface 304 of the sliding cam 30 and the cam surface 406 of the cam member 40 work under the elastic force of the spring 20

Page 5 M258563 -1 No. 9222P.77R_ 年月 日 _Hi_ V. Creative Instructions ⑵ " " '" Use to keep in touch. With the hinge folding device, when the portable electronic device is opened from the closed state, the cover is opened, the cover drives the cam member 40 to rotate relative to the sliding cam 30, and the sliding cam 30 slides along the main shaft 106, to _ Set the angle, stop applying force, and the cover automatically opens to a specific angle under the action of the cam member 40, the cam surfaces 304, 406 of the sliding cam 30, and the spring 20. With the above-mentioned hinge structure, the cover body can be reversed to a predetermined position only by opening the cover body by a certain angle. The operation principle is the same when closed and when opened, and it is more convenient to use. However, when this hinge structure is applied to a belt-type electronic device, the cover body is only in a closed state and completely = opened state is a stable state with respect to the body, and is not stable at any angle in between, that is, the cover body and the The body can stay at the handle required by the user and this hinge structure obviously cannot meet the needs of the user. From the [new content] the purpose of this creation is to provide a portable electronic device that can open the body relative to the body. Arbitrary hinge structure. In order to achieve the purpose of this creation, this creation provides a hinge joint including an outer shell, a rotating body, a spring, and a bottom cover, wherein the rotating body ^ 'a moving end, a cylinder and a boss, and the cylinder is located between the rotating end and the boss. At least one groove is provided at the bottom end of the rotor; the spring is sleeved on the column base of the rotating body and its length is longer than the length of the column; the hollow body of the shell system has one end and a half closed and half closed end A circular socket is formed, and the rotating end and the cylinder of the two bodies are accommodated in the outer shell, and the portion of the rotating end passes through the circular socket and is arranged outside the outer shell; the bottom cover is clamped on: , The open end of the body, and a recess ^ which can be engaged with the above-mentioned rotating body is provided thereon =

Page 6 M258563 __Case No. 9222277B_Year Month Day Amendment V. Creation Instructions (3) ~~ " — raised. Compared with the conventional hinge structure, this creative hinge structure has a simple structure and is easy to assemble, and can meet the special functional requirements of portable electronic devices such as mobile phones and pDA, so that its cover can be opened at any angle relative to the body. [Embodiment] The creative hinge structure is used in portable electronic devices such as mobile phones and PDAs (personai Digital Assistants). > Ming, — Please refer to the second and third figures, the preferred embodiment of the hinge structure of the present invention includes an outer shell 6, a rotating body 7, a spring 8, and a bottom cover 9. The outer shell 6 is a hollow square columnar body, one end of which is an open end 61, and the other end of which is a semi-closed end. The semi-closed end forms a circular socket 60. Two positioning arms 6 are respectively provided on opposite side walls near the open end. 2. Positioning arm 6 2 is a flexible metal sheet that can be bent. The rotating body 7 includes a rotating end 70, a pillar 72, and a boss 74. The pillar 72 is located between the rotating end 70 and the boss 74. The rotating end 70 is a prism; the cylinder 72 is a cylindrical structure, the diameter of which is not greater than the diameter of the socket 60; the boss 74 is a round-shaped platform and its diameter is larger than the diameter of the column 72, and the bottom of the boss 74 A groove 742 is provided on the end 740 in the radial direction, and a plurality of bumps 744 are evenly distributed on the surface of the bottom end 740 and the groove 7 4 2 so as to have a large friction coefficient. The inner diameter of the spring 8 is larger than the outer diameter of the cylinder 72 and smaller than the diameter of the boss 74, and its length is slightly larger than the length of the cylinder 72. The shape and size of the bottom 盍 9 are consistent with the open end 6 丨 of the outer case 6. A protrusion 92 is provided on the upper surface 90 thereof, and the protrusion 92 can be engaged with the groove 742.

Page 7 M258563 __Case No.92222776_Year Month Day_Revision V. Creation Instructions (4) Please refer to the fourth figure in combination. When assembling, first pass the rotating body 7 through the spring 8 and place the rotating body 7 into In the outer casing 6, the bottom cover 9 is then buckled with the outer casing 6 so that the protrusion 92 is engaged with the groove 742. Finally, the positioning arm 62 is bent to prevent the bottom cover 9 from sliding out of the outer casing 6. After the assembly is completed, a part of the rotating end 70 protrudes from the circular insertion hole 60 of the outer casing 6. Since the length of the spring 8 is slightly larger than the length of the cylinder 72, one end of the spring 8 bears against the outer casing 6 after the assembly is completed. The semi-closed end 63, the other end resisting the boss 74, is in a compressed state. Its elastic force makes the protrusion 92 and the groove 742 fit more compactly. In this way, the entire hinge structure forms a complete structure. Achieving modularization 0 Please refer to the fifth and sixth figures. The portable electric device that applies this creative hinge structure, the device (not shown) includes a cover and a body. The cover cooperates with the outer shell 6 of the hinge structure, and the main body cooperates with the rotating end 70 exposed outside the outer housing 6: When the cover is closed relative to the main body, the creative hinge structure is in the state shown in the fifth figure. At this time, The protrusion 92 meshes with the groove 742, and the hinge structure is in a relatively stable state. During the process of opening the cover of the portable electronic device relative to the body, the body drives the rotating end 70 to rotate. At this time, the protrusion 92 is removed from the concave, 742 Slide out, when the protrusion 92 slides on the bottom end 74 °, the rotating body 7 further compresses the elastic penetration 8. The elastic force generated by the spring 8 increases the static friction force produced by the plurality of bumps 744. Therefore, the protrusion 72 can By virtue of this static friction force staying at any position of bottom = 740, the hinge structure of this creation is shown in the sixth figure, that is, the body and the body can be at any angle. When the rotating end is rotated lj0 degrees, the protrusion 92 is re-concave. The groove 742 is engaged, and the hinge structure is in the state shown in the fifth figure. At this time, the cover body and the body are at 180 degrees, which is completely.

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State: Second, to make the cover and the body reclose, turn the cover toward the body, and then 'two passes the same operation process as the opening process. It can be understood that the above-mentioned embodiment is only the present embodiment. The hinge structure of the present creation can also be communicated with ::: ,, 汔 辇 07m-~, Batarwan style. For example, the opening of the bottom plate 9 is not limited to the positioning arm 62 locking, jointing, or screw fixing; the bottom plate can be used for private use. X άΐ Vfl M7A0 can also be taken on the bottom plate 9 Set two crosses ^ ^ to add a fixed state to the syrian chain structure. For example, set two radial grooves 742 (50 ^ ^ — Ξ i 7j2 meshing at 150 degrees crossing. This angle is very suitable for mobile phone calls. In the case where the combined body is opened at an angle of 180 degrees with respect to the body, the protrusion 92 is affixed with another concave 742. As mentioned above, this creation complies with the new type of patent requirements, and the patent application is made according to law. The above is only a preferred embodiment of this creation, and the scope of this creation is not limited to the above embodiments. For example, those who are familiar with this technique can use this creation to modify or change the spirit equivalent. , Should be covered by the following patent applications.

M258563 _ Case No. 92222776_ Year Month Revision _ The diagram is a simple illustration of the three-dimensional exploded view of the conventional hinge structure; the second image is an exploded view of the hinge structure at an angle; the third image is the hinge of the creation A three-dimensional exploded view of the structure from another angle; the fourth image is a perspective view of the hinge structure of the original creation after being assembled; the fifth image is a partial cross-sectional view of the projection hinge of the original hinge structure when the groove is engaged; the sixth image is the hinge of the original creation Partial cross-sectional view of the structure after the protrusion of the structure slides out of the groove. [Description of symbols of main components] Outer housing 6 Circular socket 60 Open end 61 Positioning arm 62 Rotating body 7 Rotating end 70 Cylinder 72 Boss 74 Bottom end 740 Groove 742 Bump 744 Spring 8 Bottom cover 9 Upper surface 90

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Claims (1)

M258563 t # 92222776 VI. Patent application scope 1. A hinge structure including: a rotating body including a rotating end; ι: ^: θθa a ^ ^ ^ n ^ ^ pillar and a boss, the pillar is located at At least one concave and one spring is set at the bottom end of the boss between the rotation and the protrusion, and is sleeved on the cylinder of the rotating body and resists the convex ^] An outer shell is a hollow cylinder, one end is open, and the other The two ends & closed, the semi-closed end forms a jack, and the rotating end and the post of the rotating body are accommodated in the outer shell and the rotating end passes through the jack and is arranged on the outside of the outer shell; and a bottom The cover is disposed at the open end of the outer shell, and a protrusion is provided on the cover to engage with the groove of the rotating body. μ 2 · The hinge structure according to item 1 of the scope of the patent application, wherein the rotating end of the rotating body is a prism; the cylinder is a cylindrical structure whose diameter is not greater than the diameter of the insertion hole; the boss is a cylinder The platform has a diameter larger than the diameter of the cylinder. 3. The hinge structure according to item 1 of the scope of patent application, wherein the bottom end of the boss and the surface of the groove are provided with a plurality of bumps. 4. The hinge structure according to item 1 of the scope of patent application, wherein the inner diameter of the spring is larger than the outer diameter of the cylinder and smaller than the diameter of the boss, and its length is greater than the length of the cylinder. 5. The hinge structure according to item 1 of the scope of the patent application, wherein two positioning arms are respectively provided on the two opposite side walls of the open end of the outer casing, and the positioning arms are flexible metal sheets that can be bent. 6. The hinge structure according to item 5 of the scope of patent application, wherein the shape and size of the bottom cover match the open end of the outer shell, and the bottom is positioned by page 11 M258563 Page 12