TWI420016B - Hinge device - Google Patents

Description

Hinge device

The present invention relates to a hinge device for use on a flip-type electronic device.

A large number of conventional portable electronic devices such as mobile phones and personal digital assistants (PDAs) use a clamshell structure. Generally, a flip-type electronic device includes a body, a cover body and a hinge device, and the cover body and the body are rotatably mounted together by the hinge device. The common problem of the conventional clamshell electronic device is that during the assembly process of the clamshell electronic device, the manufacturing precision and assembly precision of the hinge device component and the corresponding connecting component on the body and the cover body may appear to meet the design requirements for various reasons. In this case, the failure of the hinge device of the clamshell electronic device and the body and the cover body is too tight or too loose, which will affect the performance of the flip-type electronic device. However, after the assembly of the flip-type electronic device is completed, the tightness between the hinge device and the body and the cover body is not adjustable, so that the user cannot eliminate the above-mentioned over-tightening or looseness caused by the precision defects of manufacturing and assembly. Failure, causing greater difficulties for use and maintenance.

In view of the above, it is necessary to provide a hinge device which is simple in structure, convenient to assemble and disassemble, and capable of adjusting the tightness.

A hinge device comprising a hinge portion, a mounting body and a connecting rotating shaft, wherein the hinge portion and the mounting body are rotatably mounted by the connecting rotating shaft; a mounting hole is defined in one end of the portion, and the mounting body is provided with a mounting hole; the connecting shaft is axially adjustably mounted in the mounting hole and the mounting hole for adjusting between the hinge portion and the mounting body Tightness.

Compared with the prior art, the hinge device can adjust the tightness between the connecting shaft and the hinge portion during use, thereby effectively improving the performance of the hinge device. In addition, the hinge device has the advantages of simple structure, convenient and quick assembly and disassembly, and effectively improves the assembly efficiency of the hinge device and reduces the maintenance cost thereof.

100‧‧‧Flip-type electronic device

15‧‧‧Hinged end

35‧‧‧Installation end

51‧‧‧Hinges

515‧‧‧Conical mounting hole

521‧‧‧First installation

523‧‧‧Hinged holes

526‧‧‧ Guide wall

53‧‧‧Connecting shaft

533‧‧‧Cylindrical shaft end

55‧‧‧Adjustment

552‧‧‧ screw end

10‧‧‧ Ontology

30‧‧‧ cover

50‧‧‧Hinge device

513‧‧‧Installation shaft

52‧‧‧Installation

522‧‧‧Second installation

525‧‧‧Assembly holes

527‧‧‧ internal thread

531‧‧‧round table shaft end

535‧‧‧Assembled surface

551‧‧‧Resistance

555‧‧‧ strip groove

1 is a perspective exploded view of a flip-type electronic device according to a preferred embodiment of a hinge device of the present invention; FIG. 2 is a perspective assembled view of a flip-type electronic device using a hinge device of the present invention; FIG. A cross-sectional view of the flip-type electronic device to which the hinge device of the present invention is applied is taken along the direction indicated by III-III.

Please refer to FIG. 1 , which is a perspective exploded view of a clamshell electronic device 100 according to a preferred embodiment of the hinge device 50 of the present invention. The clamshell electronic device 100 can be a mobile phone and a personal digital assistant (PDA). . The flip-type electronic device 100 includes a body 10, a cover 30 and a hinge device 50. The body 10 is generally rectangular in shape and includes a hinged end 15. The cover 30 has a substantially rectangular plate shape and includes a mounting end 35. The hinged end 15 of the body 10 and the mounting end 35 of the cover 30 are rotatably mounted by the hinge device 50.

The hinge device 50 includes a hinge portion 51, a mounting body 52, a connecting shaft 53 and a Adjustment member 55. The hinge portion 51 is mounted on or integrally formed on the hinge end 15 of the body 10 to be hingedly mounted to the cover body 30 so as to be rotatable. In the embodiment, the hinge portion 51 is substantially cylindrical and protrudes from the middle of the hinge end 15 of the body 10. One end of the hinge portion 51 is along the axial direction of the cover body 30 relative to the body 10. A mounting shaft 513 is protruded from the other end, and the other end of the other end is recessed with a tapered mounting hole 515 having a conical surface.

The mounting body 52 includes a first mounting body 521 and a second mounting body 522. The first mounting body 521 and the second mounting body 522 are spaced or integrally formed at the mounting end 35 of the cover 30. Both sides are used to rotatably hinge the cover 30 to the hinge portion 51 of the hinge end 15 of the body 10. In the embodiment, the first mounting body 521 and the second mounting body 522 are integrally formed with the cover body 30, and are protruded from the mounting end 35 of the cover body 30 at a relatively spaced interval. The distance between the first mounting body 521 and the second mounting body 522 is equivalent to the length dimension of the hinge portion 51 in the axial direction. A mounting hole 523 is defined in the first mounting body 521 corresponding to the mounting shaft 513 of the hinge portion 51 in the axial direction, and the second mounting body 522 corresponds to the tapered mounting hole 515 of the hinge portion 51. A fitting hole 525 is formed through the axial direction. A guiding wall 526 disposed parallel to the axial direction is disposed on the inner wall of the mounting hole 525 toward the first mounting body 521 in a radial direction. The inner wall of the mounting hole 525 is away from the first mounting body. One end of the 521 is provided with an internal thread 527.

The connecting shaft 53 is made of an elastic material and has a hollow structure. The connecting shaft 53 includes a truncated shaft end 531 and a cylindrical shaft end 533. The diameter of the truncated shaft end 531 is gradually reduced from one end of the cylindrical shaft end 533 to the end thereof, and its outer dimensions are The tapered mounting hole 515 of the hinge portion 51 is sized to have a truncated shaft end 531 of the connecting shaft 53 and a taper on the hinge portion 51. Mounting holes 515 are rotatably mounted together. The cylindrical shaft end 533 has a contour and a size corresponding to the fitting hole 525, so that it can be mounted in the fitting hole 525 and can slide in the axial direction. The two sides of the outer peripheral wall of the cylindrical shaft end 533 are cut away to form two opposite parallel mounting faces 535 corresponding to the two guiding walls 526 of the mounting hole 525, so that the cylindrical shaft end 533 is mounted. When disposed in the fitting hole 525, it can only slide axially and cannot rotate relative to each other.

The adjusting member 55 has a stepped shaft shape and is axially adjustably screwed into the fitting hole 525 of the second mounting body 522. The adjusting member 55 includes a resisting end 551 and a screwing end 552. The abutting end 551 abuts against the cylindrical shaft end 533 of the connecting shaft 53. The outer end surface of the screw end 552 is provided with a corresponding external thread corresponding to the internal thread 527, and the end surface of the screw end 552 is recessed with a strip groove 555 for facilitating the rotation thereof. During use, the tension between the truncated shaft end 531 of the connecting shaft 53 and the tapered mounting hole 515 of the hinge portion 51 can be adjusted by rotating the adjusting member 55. In addition, in order to facilitate the movement of the adjusting member 55 in the fitting hole 525, the outer diameter of the abutting end 551 is set to be smaller than the outer diameter of the screw end 552.

Referring to FIG. 2 and FIG. 3, when the hinge device 50 of the flip-type electronic device 100 is assembled, the hinge hole 523 of the first mounting body 521 is first aligned with the mounting shaft 513 of the hinge portion 51, and the The hinge portion 51 is disposed on the mounting shaft 513 of the hinge portion 51 of the mounting portion 35 of the cover body 30. The hinge portion 51 of the body 10 is correspondingly received at the mounting end of the cover body 30. Between the first mounting body 521 and the second mounting body 522 on the 35. Next, the truncated shaft end 531 of the connecting shaft 53 is inserted from the mounting hole 525 of the second mounting body 522, and the tapered shaft end 531 of the connecting shaft 53 passes through the mounting hole of the second mounting body 522. The 525 is inserted into the tapered mounting hole 515 of the hinge portion 51 such that the cover body 30 and the body 10 are rotatably mounted together. Place The cylindrical shaft end 533 of the connecting shaft 53 is correspondingly mounted in the mounting hole 525. The two mounting surfaces 535 of the connecting shaft 53 are correspondingly supported by the two guiding walls 526 in the mounting hole 525. Then, the adjusting member 55 is screwed into and screwed into the mounting hole 525 of the second mounting body 522, that is, the assembly of the flip-type electronic device 100 is completed. The adjusting member 55 is rotated, and the adjusting member 55 can axially slide against the connecting shaft 53 in the axial direction, and the sliding member can be guided by the guiding wall 526 in the fitting hole 525 to prevent the sliding direction from deviating. . Thus, the tightness between the truncated shaft end 531 of the connecting shaft 53 and the tapered mounting hole 515 of the hinge portion 51 can be adjusted.

The hinge device 50 of the flip-type electronic device 100 may cause looseness between the connecting shaft 53 and the hinge portion 51 due to wear during long-term use, so that the cover body 30 of the flip-type electronic device 100 is opposite to the body. 10 appears loose. At this time, the tightness between the truncated shaft end 531 of the connecting shaft 53 and the tapered mounting hole 515 can be adjusted by rotating the adjusting member 55, thereby improving the performance of the flip-type electronic device 100. In addition, when it is necessary to repair or need to disassemble the hinge device 50 of the clamshell electronic device 100 during the production process, the adjustment member 55 can be screwed out first, and then the connecting shaft 53 can be taken out, which can be quickly and conveniently. The disassembly of the hinge device 50 of the flip-type electronic device 100 is achieved. It can be understood that the connecting shaft 53 and the adjusting member 55 of the hinge device 50 can also be formed in an integrated manner. The adjusting member 55 of the hinge device 50 can be omitted, and an external thread is directly disposed on the outer peripheral wall of the cylindrical shaft end 533 of the connecting shaft 53 such that the cylindrical shaft end 533 of the connecting shaft 53 is screwed to the outer shaft. The mounting hole 525 of the second mounting body 522 of the cover 30 is inside. Correspondingly, the strip groove 555 can also be formed on the end surface of the cylindrical shaft end 533 to facilitate the rotating operation.

The hinge device 50 can adjust the tightness between the connecting shaft 53 and the hinge portion 51 during use, thereby effectively improving the performance of the hinge device 50. In addition The hinge device 50 has a simple structure, is convenient and quick to assemble and disassemble, and effectively improves the assembly efficiency of the hinge device 50 and reduces the maintenance cost thereof.

In summary, the present invention complies with the requirements of the invention patent and submits a patent application according to law. The above is only the preferred embodiment of the present invention, and the scope of the present invention is not limited to the above-described embodiments, and equivalent modifications or variations made by those skilled in the art in light of the spirit of the present invention are It should be covered by the following patent application.

100‧‧‧Flip-type electronic device

15‧‧‧Hinged end

35‧‧‧Installation end

51‧‧‧Hinges

515‧‧‧Conical mounting hole

521‧‧‧First installation

523‧‧‧Hinged holes

526‧‧‧ Guide wall

53‧‧‧Connecting shaft

533‧‧‧Cylindrical shaft end

55‧‧‧Adjustment

552‧‧‧ screw end

10‧‧‧ Ontology

30‧‧‧ cover

50‧‧‧Hinge device

513‧‧‧Installation shaft

52‧‧‧Installation

522‧‧‧Second installation

525‧‧‧Assembly holes

527‧‧‧ internal thread

531‧‧‧round table shaft end

535‧‧‧Assembled surface

551‧‧‧Resistance

555‧‧‧ strip groove

Claims (8)

A hinge device includes a hinge portion, a mounting body and a connecting rotating shaft, wherein the hinge portion and the mounting body are rotatably mounted by the connecting rotating shaft; and the improvement is that the hinge portion has a concave end at one end a mounting hole, the mounting hole is a tapered mounting hole having a conical surface, and the mounting body is provided with a mounting hole; the connecting shaft comprises a tapered shaft end and a cylindrical shaft end, the cone The shaft end is rotatably mounted in the tapered mounting hole of the hinge portion, and the cylindrical shaft end is axially slidably and rotatably mounted in the mounting hole, and the hinge device further includes an adjusting member The adjusting member is axially adjustablely screwed into the mounting hole of the mounting body, and the abutting end abuts against the cylindrical shaft end of the connecting shaft, To adjust the tightness between the hinge and the mounting body. The hinge device of claim 1, wherein the other end of the hinge portion has a mounting shaft protruding in an axial direction thereof, the mounting body comprising a first mounting body and a second mounting body, The first mounting body has a hinge hole corresponding to the mounting shaft, so that the first mounting body and the mounting shaft of the hinge portion are rotatably mounted together; the mounting hole is formed through the second mounting body. The tapered shaft end of the connecting shaft is rotatably mounted in the tapered mounting hole of the hinge portion through the mounting hole of the second mounting body. The hinge device of claim 2, wherein the inner wall of the mounting hole of the second mounting body is oppositely disposed at one end of the first mounting body with two guiding walls disposed parallel to the axial direction, the assembly An inner thread is disposed on an inner wall of the hole away from the one end of the first mounting body; the two sides of the outer peripheral wall of the cylindrical shaft end form two opposite parallel mounting faces corresponding to the two guiding walls in the axial direction, so that the inner wall The cylindrical shaft end of the connecting shaft is axially slidable and is rotatably mounted in the fitting hole. The hinge device of claim 2, wherein the end face of the screw end of the adjusting member is The recess is provided with a strip groove for facilitating the rotation thereof. The hinge device of claim 4, wherein the outer diameter of the abutting end of the adjusting member is smaller than the outer diameter of the screw end. The hinge device of claim 1, wherein the connecting shaft and the adjusting member are integrally formed. The hinge device of claim 1, wherein the outer peripheral wall of the cylindrical shaft end of the connecting shaft is provided with an external thread, so that the cylindrical shaft end of the connecting shaft is screwed into the mounting hole of the mounting body. . The hinge device of claim 1, wherein the hinge device is mounted on a flip-type electronic device for pivotally articulating the body and the cover of the flip-type electronic device, the body and the cover respectively The hinge portion and the mounting body of the hinge device are respectively disposed on or integrally provided on the hinge end of the body and the mounting end of the cover body, and are rotatably mounted by the connecting shaft Together.