CN203585065U

CN203585065U - Pivot device

Info

Publication number: CN203585065U
Application number: CN201320804284.0U
Authority: CN
Inventors: 林朝吉
Original assignee: Leohab Enterprise Co Ltd
Current assignee: Leohab Enterprise Co Ltd
Priority date: 2013-12-06
Filing date: 2013-12-06
Publication date: 2014-05-07
Anticipated expiration: 2023-12-06

Abstract

The utility model relates to a pivot device. The pivot device comprises a pivoting sheet and a shaft piece, wherein a limiting end and a resetting end are respectively formed at the two ends of the pivoting sheet; the limiting end is convexly provided with a first limiting flange and the shaft piece is arranged on the pivoting sheet; the shaft piece is provided with a pivoting section, a limiting section and a resetting section; the limiting section and the resetting section are respectively located on the two sides of the pivoting section; the limiting end is convexly provided with a second limiting flange and the second limiting flange can selectively lean against the first limiting flange; the resetting section of the shaft piece is sleeved with a first cam and a second cam; the first cam and the pivoting sheet can synchronously rotate relative to the shaft piece; the second cam and the shaft piece can synchronously rotate; the limiting end and the resetting end are respectively formed at the two ends of the pivoting sheet so that the pivot device can realize the effects of limiting the angle and automatically resetting by a simple structure.

Description

Pivot device

Technical field

The utility model is mainly to disclose a kind of pivot, espespecially a kind of pivot device that is installed in electronic product.

Background technique

Along with science and technology is more and more flourishing, people also increase day by day to the dependence of electronic product, for can be after going out acquired information at any time still, starting to have more and more people not only to carry intelligent mobile phone gos out, also can carry Tablet PC, even carry mobile computer and can meet user's demand, for the screen and the keyboard that make mobile computer can relatively rotate, pivot is the necessary assembly that connects screen and keyboard, Tablet PC also has special external connection keyboard, the i.e. Tablet PC pivotable relatively of keyboard itself, pivot is except must be sturdy and durable, for making mobile computer or Tablet PC easy to use, also must possess restricted angle and automatically reply the function of original position, screen only can be rotated relative to keyboard between special angle, and make screen when being about to cover on keyboard, automatic rebounding is to suitable position.

But, for making pivot reach limited angular and automatically replying the function of original position, must on pivot, install extra assembly additional, cause volume and the weight of pivot to increase, and then the small product size that causes final production is large and Heavy Weight, and do not meet modern for convenience of carrying for a long time and wishing that electronic product can light-weighted demand.

Model utility content

The utility model main purpose is, a kind of pivot device is provided, and it can reach limited angular and automatically reset object with simple structure.

The main technical schemes that the utility model provides is:

A kind of pivot device, it includes:

A pivotable sheet, this pivotable sheet includes a joint and a pin-joint part, the pin-joint part of this pivotable sheet is positioned at a side of this pivotable sheet joint, the pin-joint part of this pivotable sheet also has a virtual pivotal axis and a wrapping plate, this pin-joint part is formed with a pivot spaces in wrapping plate near a side of this virtual pivotal axis, this wrapping plate is formed with respectively a positive stop end and a reset terminal along the axial two ends of this virtual pivotal axis, this wrapping plate convexes with first defining flange in this positive stop end, this the first defining flange axially stretching out along this virtual pivotal axis, this first defining flange is formed with respectively first confined planes and second confined planes along the two ends of this virtual pivotal axis circumferencial direction, this wrapping plate is concaved with a clamping groove in this reset terminal, this clamping groove axially extends internally along this virtual pivotal axis,

An axle part, this axle part is hubbed at the pin-joint part of this pivotable sheet, this axle part is axially formed with respectively a pivotable section along this virtual pivotal axis, one spacing section and a reset section, this pivotable section is arranged in this pivot spaces, this spacing section and this reset section lay respectively at the both sides of this pivotable section, spacing section of this axle part to positive stop end that should pivotable sheet, the reset section of this axle part is to reset terminal that should pivotable sheet, this axle part convexes with second defining flange in this spacing section, this second defining flange is formed with respectively first confined planes and second confined planes along the two ends of this virtual pivotal axis circumferencial direction, the first confined planes of this second defining flange can optionally be resisted against the first confined planes of this first defining flange, the second confined planes of this second defining flange can optionally be resisted against the second confined planes of this first defining flange, the reset section of this axle part is non-circular, this axle part is arranged with first cam in this reset section, second cam, several shell fragments and a supporting member, this first cam convexes with a clip flange near a side of this wrapping plate, this clip flange is arranged in this clamping groove, this first cam and this pivotable sheet can rotate this axle part by locking phase, this first cam has a high point away from a side of this wrapping plate, a low spot and an inclined-plane, the inclined-plane of this first cam is between the height point and low spot of this first cam, this second cam is axially equipped with a perforation along this virtual pivotal axis, this perforation is non-circular, this second cam can be synchronizeed and rotate with this axle part, this second cam is located at the side of this first cam away from this wrapping plate, this second cam is provided with a high point near a side of this first cam, a low spot and an inclined-plane, the inclined-plane of this second cam is between the height point and low spot of this second cam, described several shell fragments are located at the side of this second cam away from this first cam, described several shell fragments are can this second cam of pushing tow close toward the direction of this first cam, this supporting member is positioned at the side of described several shell fragment away from this second cam, this supporting member can for described several shell fragments against.

The beneficial effects of the utility model are: pivot device of the present utility model, it includes the pivot device of a pivotable sheet and an axle part, pivotable sheet includes a joint and a pin-joint part, the pin-joint part of pivotable sheet also has a virtual pivotal axis and a wrapping plate, pin-joint part is formed with a pivot spaces in wrapping plate near a side of virtual pivotal axis, wrapping plate is formed with respectively a positive stop end and a reset terminal along the axial two ends of virtual pivotal axis, wrapping plate convexes with first defining flange in positive stop end, the first defining flange axially stretches out along virtual pivotal axis, the first defining flange is formed with respectively first confined planes and second confined planes along the two ends of virtual pivotal axis circumferencial direction, wrapping plate is concaved with a clamping groove in reset terminal, axle part is hubbed at the pin-joint part of pivotable sheet, axle part is axially formed with respectively a pivotable section along virtual pivotal axis, one spacing section and a reset section, pivotable section is arranged in pivot spaces, spacing section and reset section lay respectively at the both sides of pivotable section, the positive stop end of spacing section of corresponding pivotable sheet of axle part, the reset terminal of the corresponding pivotable sheet of reset section of axle part, axle part convexes with second defining flange in spacing section, the second defining flange is formed with respectively first confined planes and second confined planes along the two ends of virtual pivotal axis circumferencial direction, the first confined planes of the second defining flange can optionally be resisted against the first confined planes of the first defining flange, the second confined planes of the second defining flange can optionally be resisted against the second confined planes of the first defining flange, the reset section of axle part is non-circular, axle part is arranged with first cam and second cam in reset section, the first cam convexes with a clip flange near a side of wrapping plate, clip flange is arranged in clamping groove, the first cam and pivotable sheet can rotate axle part by locking phase, the first cam has a high point away from a side of wrapping plate, a low spot and an inclined-plane, the inclined-plane of the first cam is between the height point and low spot of the first cam, the second cam can be synchronizeed and rotate with axle part, the second cam is located at the side of the first cam away from wrapping plate, the second cam is provided with a high point near a side of the first cam, a low spot and an inclined-plane, the inclined-plane of the second cam is between the height point and low spot of the second cam, because wrapping plate is formed with respectively positive stop end and reset terminal along the axial two ends of virtual pivotal axis, make pivot device can reach limited angular and automatically reset effect with simple structure.

Accompanying drawing explanation

Fig. 1: be first embodiment's of the utility model pivot device stereo appearance figure.

Fig. 2: be first embodiment's of the utility model pivot device three-dimensional exploded view.

Fig. 3: be another visual angle three-dimensional exploded view of first embodiment of the utility model pivot device.

Fig. 4: for the utility model is along sectional structure chart that in Fig. 1,4-4 line is got.

Fig. 5: for the utility model is along sectional structure chart that in Fig. 4,5-5 line is got.

Fig. 6: be second embodiment's of the utility model pivot device stereo appearance figure.

Fig. 7: be second embodiment's of the utility model pivot device three-dimensional exploded view.

Fig. 8: for the utility model is along sectional structure chart that in Fig. 6,8-8 line is got.

[primary clustering symbol description]

10 pivot devices; 20 pivotable sheets; 21 joints; 22 pin-joint parts; 23 wrapping plates; 24 openings; 25 pivot spaces; 26 positive stop ends; 261 first defining flanges; 262 first confined planes; 263 second confined planes; 27 reset terminals; 271 clamping grooves; 30 axle parts; 31 pivotable sections; 32 spacing sections; 321 second defining flanges; 322 first confined planes; 323 second confined planes; 33 reset section; 331 first abutment facings; 34 first cams; 341 circular holes; 342 clip flanges; 343 high points; 344 low spots; 345 inclined-planes; 35 second cams; 351 perforation; 352 second abutment facings; 353 high points; 354 low spots; 355 inclined-planes; 36 shell fragments; 37 supporting members; 10a pivot device; 30a axle part; Spacing section of 32a; 321a the second defining flange; 324a limited ring; The virtual pivotal axis of L.

Embodiment

Please refer to shown in Fig. 1 to Fig. 3, is first embodiment's of the utility model pivot device stereo appearance figure and three-dimensional exploded view.The utility model pivot device 10 includes a pivotable sheet 20 and an axle part 30; Wherein:

Shown in Fig. 4 and Fig. 5, be first embodiment's of the utility model pivot device pivotable sheet plan view and sectional structure chart.This pivotable sheet 20 is integrally formed with impact style, this pivotable sheet 20 includes a joint 21 and a pin-joint part 22, the pin-joint part 22 of this pivotable sheet 20 is positioned at a side of these pivotable sheet 20 joints 21, the pin-joint part 22 of this pivotable sheet 20 also has a virtual pivotal axis L and a wrapping plate 23, one end of this wrapping plate 23 is connected in the joint 21 of this pivotable sheet 20, the other end of this wrapping plate 23 walk around this virtual pivotal axis L outer and and the joint 21 of this pivotable sheet 20 between form an opening 24, and this pin-joint part 22 is formed with a pivot spaces 25 in wrapping plate 23 near a side of this virtual pivotal axis L.

This wrapping plate 23 is formed with respectively a positive stop end 26 and a reset terminal 27 along the axial two ends of this virtual pivotal axis L, this wrapping plate 23 convexes with first defining flange 261 in this positive stop end 26, this first defining flange 261 axially stretches out along this virtual pivotal axis L's, and this first defining flange 261 is formed with respectively first confined planes 262 and second confined planes 263 along the two ends of this virtual pivotal axis L circumferencial direction.This wrapping plate 23 is concaved with a clamping groove 271 in this reset terminal 27, this clamping groove 271 axially extending internally along this virtual pivotal axis L.

This axle part 30 is integrally formed and is cylindric, this axle part 30 is hubbed at the pin-joint part 22 of this pivotable sheet 20, this axle part 30 is along in the pivot spaces that is axially arranged in this pivotable sheet 20 25 of this virtual pivotal axis L, this axle part 30 is axially formed with respectively a pivotable section 31 along this virtual pivotal axis L's, one spacing section 32 and a reset section 33, this pivotable section 31 is arranged in this pivot spaces 25, this spacing section 32 and this reset section 33 lay respectively at the both sides of this pivotable section 31, spacing section 32 pairs of this axle part 30 should pivotable sheet 20 positive stop end 26, the reset section 33 of this axle part 30 is to reset terminal 27 that should pivotable sheet 20.

This axle part 30 convexes with second defining flange 321 in this spacing section 32, this second defining flange 321 is formed with respectively first confined planes 322 and second confined planes 323 along the two ends of this virtual pivotal axis L circumferencial direction, the first confined planes 322 of this second defining flange 321 can optionally be resisted against the first confined planes 262 of this first defining flange 261, the second confined planes 323 of this second defining flange 321 can optionally be resisted against the second confined planes 263 of this first defining flange 261, and the first confined planes 262 that first confined planes 322 that cannot simultaneously make this second defining flange 321 is resisted against this first defining flange 261 again the second confined planes 323 of this second defining flange 321 is resisted against the second confined planes 263 of this first defining flange 261.

The reset section 33 of this axle part 30 is non-circular, this axle part 30 is radially provided with at least one first abutment facing 331 in this virtual pivotal axis L's of these reset section 33 outers, described at least one the first abutment facing 331 quantity is in the present embodiment two, two described the first abutment facings 331 lay respectively on this axle part 30 side away from each other, this first abutment facing 331 extending axially along this virtual pivotal axis L.

This axle part 30 is arranged with first cam 34 in this reset section 33, second cam 35, several shell fragments 36 and a supporting member 37, this first cam 34 is axially equipped with a circular hole 341 along this virtual pivotal axis L's, this first cam 34 convexes with a clip flange 342 near a side of this wrapping plate 23, this clip flange 342 is arranged in this clamping groove 271, this first cam 34 can be rotated this axle part 30 by locking phase with this pivotable sheet 20, this first cam 34 has a high point 343 away from a side of this wrapping plate 23, a low spot 344 and an inclined-plane 345, the inclined-plane 345 of this first cam 34 is between the height point 343 and low spot 344 of this first cam 34.

This second cam 35 along this virtual pivotal axis L be axially equipped with one perforation 351, this perforation 351 is non-circular, this second cam 35 is provided with at least one second abutment facing 352 in this perforation 351, described at least one the second abutment facing 352 quantity is in the present embodiment two, two described the second abutment facings 352 are resisted against respectively two described the first abutment facings 331, make this second cam 35 can synchronize and rotate with this axle part 30.This second cam 35 is located at the side of this first cam 34 away from this wrapping plate 23, this second cam 35 is provided with a high point 353, low spot 354 and an inclined-plane 355 near a side of this first cam 34, and the inclined-plane 355 of this second cam 35 is between the height point 353 and low spot 354 of this second cam 35.

Described several shell fragments 36 are located at the side of this second cam 35 away from this first cam 34, described several shell fragments 36 are can this second cam 35 of pushing tow close toward the direction of this first cam 34, this supporting member 37 is positioned at the side of described several shell fragment 36 away from this second cam 35, this supporting member 37 can for described several shell fragments 36 against.

This pivot device 10 can be installed in electronic product, and this pivotable sheet 20 can be connected to two assemblies in electronic product with this axle part 30, and the screen of for example mobile computer and keyboard make the screen keyboard pivotable relatively of mobile computer.When this pivotable sheet 20 relatively rotates with this axle part 30, this pivotable sheet 20 can be limited by this first defining flange 261 with this second defining flange 321 and form two place's limit positions with the angle that this axle part 30 can be pivoted relative to each other, make this pivotable sheet 20 only can be between special angle these axle part 30 pivotables, for example mobile computer screen opening and the state covering relatively.

When this pivotable sheet 20 is positioned at special angle with this axle part 30, the state that covers of for example mobile computer screen, the height point 343 of this first cam 34 is resisted against the low spot 354 of this second cam 35, the low spot 344 of this first cam 34 is resisted against the height point 353 of this second cam 35, when this pivotable sheet 20 and this axle part 30 are in relative rotation in process, this first cam 34 can relatively rotate with this second cam 35, make the height point 343 of this first cam 34 depart from the low spot 354 in this second cam 35, the low spot 344 of this first cam 34 departs from the height point 353 in this second cam 35, when the inclined-plane 345 of this first cam 34 is resisted against the inclined-plane 355 of this second cam 35, described this second cam 35 of several shell fragments 36 pushing tows, this first cam 34 is relatively rotated with this second cam 35, and then make this pivotable sheet 20 get back to special angle with this axle part 30.

Can be integrally formed with impact style because of this pivotable sheet 20, effectively simplify operation procedure and reduce the cost of processing.Because this wrapping plate 23 is formed with respectively this positive stop end 26 and this reset terminal 27 along the axial two ends of this virtual pivotal axis L, make this pivot device 10 can reach limited angular and automatically reset effect with simple structure.And because this axle part 30 is integrally formed, to reduce the part of this pivot device 10, simplify the operation that this pivot device 10 is assembled.

Please refer to shown in Fig. 6 to Fig. 8, is second embodiment's of the utility model pivot device stereo appearance figure and three-dimensional exploded view.Second embodiment of the utility model and first embodiment are roughly the same, difference is mainly that this axle part 30a in second embodiment convexes with a limited ring 324a in this spacing section of 32a, this limited ring 324a is located at outside this axle part 30a along this virtual pivotal axis L radial ring, and this limited ring 324a is positioned at the side of this second defining flange 321a away from this pivotable sheet 20, and this limited ring 324a is resisted against this first defining flange 261.

Because this limited ring 324a is resisted against this first defining flange 261, can avoid this second defining flange 321a and this pivotable sheet 20 to produce and interfere, make this pivot device 10a running smooth and easy.

With regard to the above, can summarize and the utlity model has following advantage:

1. be the utility model pivot device, comprising having a pivotable sheet and an axle part, pivotable sheet includes a joint and a pin-joint part, the pin-joint part of pivotable sheet also has a virtual pivotal axis and a wrapping plate, pin-joint part is formed with a pivot spaces in wrapping plate near a side of virtual pivotal axis, wrapping plate is formed with respectively a positive stop end and a reset terminal along the axial two ends of virtual pivotal axis, wrapping plate convexes with first defining flange in positive stop end, the first defining flange axially stretches out along virtual pivotal axis, the first defining flange is formed with respectively first confined planes and second confined planes along the two ends of virtual pivotal axis circumferencial direction, wrapping plate is concaved with a clamping groove in reset terminal, axle part is hubbed at the pin-joint part of pivotable sheet, axle part is axially formed with respectively a pivotable section along virtual pivotal axis, one spacing section and a reset section, pivotable section is arranged in pivot spaces, spacing section and reset section lay respectively at the both sides of pivotable section, the positive stop end of spacing section of corresponding pivotable sheet of axle part, the reset terminal of the corresponding pivotable sheet of reset section of axle part, axle part convexes with second defining flange in spacing section, the second defining flange is formed with respectively first confined planes and second confined planes along the two ends of virtual pivotal axis circumferencial direction, the first confined planes of the second defining flange can optionally be resisted against the first confined planes of the first defining flange, the second confined planes of the second defining flange can optionally be resisted against the second confined planes of the first defining flange, the reset section of axle part is non-circular, axle part is arranged with first cam and second cam in reset section, the first cam convexes with a clip flange near a side of wrapping plate, clip flange is arranged in clamping groove, the first cam and pivotable sheet can rotate axle part by locking phase, the first cam has a high point away from a side of wrapping plate, a low spot and an inclined-plane, the inclined-plane of the first cam is between the height point and low spot of the first cam, the second cam can be synchronizeed and rotate with axle part, the second cam is located at the side of the first cam away from wrapping plate, the second cam is provided with a high point near a side of the first cam, a low spot and an inclined-plane, the inclined-plane of the second cam is between the height point and low spot of the second cam, because wrapping plate is formed with respectively positive stop end and reset terminal along the axial two ends of virtual pivotal axis, make pivot device can reach limited angular and automatically reset effect with simple structure.

Claims

1. a pivot device, is characterized in that, includes:

2. pivot device as claimed in claim 1, is characterized in that: cannot make simultaneously the first confined planes that the first confined planes of this second defining flange is resisted against this first defining flange again the second confined planes of this second defining flange be resisted against the second confined planes of this first defining flange.

3. pivot device as claimed in claim 2, it is characterized in that: this axle part is radially provided with first abutment facing in this this virtual pivotal axis of reset section outer, this the first abutment facing extending axially along this virtual pivotal axis, this second cam is provided with second abutment facing in this perforation, and this second abutment facing is resisted against this first abutment facing.

4. pivot device as claimed in claim 3, it is characterized in that: this axle part convexes with a limited ring in this spacing section, this limited ring is located at outside this axle part along this virtual pivotal axis radial ring, this limited ring is positioned at the side of this second defining flange away from this pivotable sheet, and this limited ring is resisted against this first defining flange.

5. the pivot device as described in any one in claim 1 to 4, is characterized in that: this pivotable sheet is integrally formed with impact style.

6. the pivot device as described in any one in claim 1 to 4, is characterized in that: this axle part is integrally formed and is cylindric.

7. the pivot device as described in any one in claim 1 to 4, it is characterized in that: one end of this wrapping plate is connected in the joint of this pivotable sheet, the other end of this wrapping plate walk around this virtual pivotal axis outer and and the joint of this pivotable sheet between form an opening.

8. the pivot device as described in any one in claim 1 to 4, it is characterized in that: when this pivotable sheet and this axle part are positioned at special angle, the height point of this first cam is resisted against the low spot of this second cam, the low spot of this first cam is resisted against the high point of this second cam, when this pivotable sheet and this axle part are in relative rotation in process, this first cam and this second cam can relatively rotate, the height point of this first cam is departed from the low spot of this second cam, the low spot of this first cam departs from the high point in this second cam, when the inclined-plane of this first cam is resisted against the inclined-plane of this second cam, described this second cam of several shell fragment pushing tows, this first cam and this second cam relatively rotate, make this pivotable sheet and this axle part get back to special angle.