CN201696467U

CN201696467U - Buffering stop type pivot device and electronic device with same

Info

Publication number: CN201696467U
Application number: CN2010201323549U
Authority: CN
Inventors: 曾朝良; 陈冠至
Original assignee: Shin Zu Shing Co ltd
Current assignee: Shin Zu Shing Co ltd
Priority date: 2010-02-26
Filing date: 2010-02-26
Publication date: 2011-01-05
Anticipated expiration: 2020-02-26

Abstract

A kind of buffer stop type pivot device and electronic device with buffer stop type pivot device, it includes: the first bearing frame is used for connecting a base of an electronic device; a rotating shaft fixed on the first bearing frame; the second bearing frame is rotatably sleeved on the rotating shaft in a penetrating way and is an upper cover used for connecting the electronic device; and a buffer stop device arranged between the rotating shaft and the second bearing frame and providing a buffer torsion force for the second bearing frame to avoid the second bearing frame from over-rotating relative to the first bearing frame. The pivot device can prevent the upper cover from excessively rotating relative to the base to damage the pivot device.

Description

Buffering stop type pivot device and electronic equipment with buffering stop type pivot device

[technical field]

The utility model is about a kind of pivot device, particularly about a kind of buffering stop type pivot device, it can be installed between the base and loam cake of an electronic equipment, when the relative base of loam cake is opened and loam cake when suffering external force pressure, buffering stop type pivot device provides buffer function, avoids the pivot device fracture damage.

[background technique]

Notebook computer is owing to have a compact and portable advantage, and the business people that is in harmony public in various places of therefore being subjected to deeply often need hurry back and forth likes.

The traditional notebook computer generally has a base and loam cake, have electronic components such as circuit board and keyboard in the base, loam cake has screen to be watched for the user, and loam cake sees through a pivot device and is connected on the base, make loam cake closed be beneficial to carry notebook computer whereby, or the base unlatching is watched screen for the user relatively in base.

Disclosed backstop design commonly used in a kind of pivot device among No. 2007/0169312, the U. S. Patent case publication number US.Backstop pad 8 in the disclosure case has a blocked part 18, its be with bolster 22 on stop block 214 cooperatively interact, make electronic equipment when pivoting, can be used as spacing usefulness, with the excessively upset and cause the lead in the pivot device to be damaged of the loam cake that prevents electronic equipment and base.

Therefore yet this existing pivot device can't provide any buffering, is subjected to excessive external force pressure and when surpassing the limit that pivot device rotates, usually causes rupturing as the backstop design of spacing usefulness when loam cake.

In addition, when the user is provided with the notebook computer of existing pivot device in use, because this pivot device can't just be positioned best viewing angle when loam cake is opened, therefore, during screen that the user covers on watching, often must adjust the angle of the relative base of pivot loam cake repeatedly, can reach best screen and watch the visual angle, so the formality of adjusting repeatedly then causes the inconvenience of using on the notebook computer.

[model utility content]

Because the pivot device of electronic equipment such as traditional notebook computer is not had a buffering and can't be to the problem of loam cake location, improve its not enough and disappearance, and then create a kind of electronic equipment that cushions the stop type pivot device and have buffering stop type pivot device.

The utility model main purpose provides a kind of electronic equipment that cushions the stop type pivot device and have buffering stop type pivot device, it can be installed between the base and loam cake of an electronic equipment, when the relative base of loam cake is opened and loam cake when suffering external force pressure, buffering stop type pivot device provides buffer function, avoids the pivot device fracture damage and causes the lead pivot device in to damage.

For reaching above-mentioned purpose, be to make aforementioned buffering stop type pivot device include:

One first bolster is the base that is used to connect an electronic equipment;

One rotating shaft is to be fixed on first bolster;

One second bolster is to be set in the rotating shaft in rotatable mode, is the loam cake that is used to connect this electronic equipment; And

One buffering stop blocking means is arranged between the rotating shaft and second bolster, provides a buffering torsion excessively to rotate to avoid relative first bolster of second bolster to second bolster.

By above-mentioned technological means, buffering stop type pivot device can be installed between the base and loam cake of an electronic equipment, opens and loam cake when suffering external force pressure when the relative base of loam cake, and buffering stop type pivot device provides buffer function, avoids the pivot device fracture damage.In addition, when buffering stop type pivot device can make the relative base of loam cake open, launch a special angle, even if loam cake suffers external force and opens above katal and decide angle, buffering stop type pivot device also can provide the strength that resets to loam cake, make loam cake be turned back to this special angle, make the user watch the screen that covers with best angle whereby, avoid repeatedly the school to transfer the problem of loam cake angle.

Aforementioned buffering stop blocking means has a stationary cam, a movable cam and a damping spring; This stationary cam is a ring-type, slidably is set in the rotating shaft, is formed with a rail block in the axial projection of stationary cam upper edge rotating shaft, has a plane of trajectory orbital on the rail block; This movable cam is a ring-type, be set in the rotating shaft and in rotatable mode and fix with second bolster, the axial projection of this movable cam upper edge rotating shaft is formed with a contact tab, this contact tab contacts rail block and can slide along plane of trajectory orbital, stationary cam is slided on make the spacing between stationary cam and the movable cam change in the rotating shaft; This damping spring be set in the rotating shaft and with two ends respectively against first bolster and stationary cam, force stationary cam to rely on movable cam.

Aforementioned rotating shaft upper sleeve through has several spring sheets to rely on stationary cam to force second bolster and movable cam.

The get on the right track plane of trajectory orbital of piece of aforementioned fixation cam is to be skewed for a phase countershaft.

The get on the right track plane of trajectory orbital of piece of aforementioned fixation cam is to be convex arc-shape.

The get on the right track plane of trajectory orbital of piece of aforementioned fixation cam is formed with a stop block near projection vertically on the end of movable cam; When touching this stop block, the contact tab of this movable cam then make second bolster be further rotated by the phase countershaft.

Run through on aforementioned first bolster and be formed with a fixed hole; This rotating shaft has an axostylus axostyle and a stop lug, this axostylus axostyle has two relative fixed ends, and run through the fixed hole that is fixed in first bolster with a fixed end wherein, this stop lug radially projection is formed on the axostylus axostyle and between stationary cam and movable cam; Run through on this second bolster and be formed with an axis hole and pass for the axostylus axostyle of rotating shaft.

Be formed with an assembly hole on aforementioned second bolster; Projection has one to insert the fixing pin that is fixed in the assembly hole on this stationary cam.

Be fixed with a fixed block respectively on two fixed ends of aforementioned rotating shaft axostylus axostyle; These several spring sheets are between second bolster and wherein between the fixed block.

Another purpose of the utility model provides a kind of electronic equipment with buffering stop type pivot device, and it comprises a base, a loam cake and at least one buffering stop type pivot device that is connected between base and the loam cake, and wherein this buffering stop type pivot device includes:

One first bolster is to connect this base;

One rotating shaft is to be fixed on first bolster;

One second bolster is to be set in the rotating shaft in rotatable mode, is to connect this loam cake; And

[description of drawings]

Fig. 1 is the utility model stereo appearance figure.

Fig. 2 is another stereo appearance figure of the utility model.

Fig. 3 is the utility model three-dimensional exploded view.

Fig. 4 is another three-dimensional exploded view of the utility model.

Fig. 5 is that the utility model is installed in the stereo appearance figure on the electronic equipment.

Fig. 6 is the utility model when being installed in this electronic equipment, and the loam cake of this electronic equipment is opened to the stereo appearance figure of best opening angle.

Fig. 7 is the further operation chart of the utility model continue on drawing 6.

Fig. 8 is the three-dimensional appearance operation chart of the utility model corresponding diagram 7.

Fig. 9 is the three-dimensional appearance operation chart of the utility model corresponding diagram 8.

(1) buffering stop type pivot device (10) first bolsters

(15) fixed hole

(20) rotating shaft (21) axostylus axostyle

(211) fixed end (212) fixed end

(22) stop lug (25) spring sheet

(27) fixed block (28) fixed block

(30) second bolster (35) axis holes

(36) assembly hole

(40) buffering stop blocking means (41) stationary cam

(411) rail block (412) plane of trajectory orbital

(415) stop block (42) movable cam

(421) contact tab (426) fixing pin

(43) damping spring

(90) electronic equipment (91) base

(92) loam cake

[embodiment]

Please refer to Fig. 1 to Fig. 5, the utility model buffering stop type pivot device 1 can be installed on the electronic equipment 90 (for example notebook computer), this electronic equipment 90 has a base 91 and a loam cake 92, this loam cake 92 is to see through buffering stop type pivot device 1 to be connected to base 91, and can have electronic component such as screen.

The utility model buffering stop type pivot device 1 includes: one first bolster 10, a rotating shaft 20, one second bolster 30 and a buffering stop blocking means 40.

This first bolster 10 is used to connect the base 91 of above-mentioned electronic equipment 90, runs through to be formed with a fixed hole 15 on first bolster 10.

This rotating shaft 20 is to be fixed on first bolster 10.

This second bolster 30 is to be set in the rotating shaft 20 in rotatable mode, is the loam cake 92 that is used to connect this electronic equipment 90.

This buffering stop blocking means 40 is arranged between the rotating shaft 20 and second bolster 30, provides a buffering torsion excessively to rotate to avoid second bolster, 30 relative first bolsters 10 to second bolster 30.This buffering stop blocking means 40 has a stationary cam 41, a movable cam 42 and a damping spring 43.

This stationary cam 41 is a ring-type, slidably is set in the rotating shaft 20, is formed with a rail block 411 in stationary cam 41 upper edge rotating shafts 20 axial projections, has a plane of trajectory orbital 412 on the rail block 411.The plane of trajectory orbital 412 of this rail block 411 can be phase countershaft 20 and is skewed, can be convex arc-shape, also can be the inclination convex arc-shape.The get on the right track plane of trajectory orbital 412 of piece 411 of stationary cam 41 is formed with a stop block 415 near projection vertically on the ends of movable cam 42.

This movable cam 42 is a ring-type, be set in the rotating shaft 20 and in rotatable mode and fix with second bolster 30, these movable cam 42 upper edge rotating shafts 20 axial projections are formed with a contact tab 421, this contact tab 421 contacts rail blocks 411 and can slide along plane of trajectory orbital 412, stationary cam 41 is slided in the rotating shaft 20 make the spacing between stationary cam 41 and the movable cam 42 change.Then make second bolster 30 be further rotated by phase countershaft 20 when in addition, the contact tab 421 of this movable cam 42 touches this stop block 415.

This damping spring 43 be set in the rotating shaft 20 and with two ends respectively against first bolster 10 and stationary cam 41, force stationary cam 41 to rely on movable cam 42.

Among the utility model preferred embodiment, these rotating shaft 20 upper sleeve throughs have several spring sheets 25 to rely on stationary cam 41 to force second bolster 30 with movable cam 42.

Among the utility model preferred embodiment, this rotating shaft 20 has an axostylus axostyle 21 and a backstop bead 22, this axostylus axostyle 21 has two relative fixed ends 211,212, and run through the fixed hole 15 that is fixed in first bolster 10 with a fixed end 211 wherein, this backstop bead 22 radially projection is formed on the axostylus axostyle 21 and between stationary cam 41 and movable cam 42; Run through on this second bolster 30 and be formed with an axis hole 35 and pass for the axostylus axostyle 21 of rotating shaft 20.

Among the utility model preferred embodiment, be formed with an assembly hole 36 on this second bolster 30; Projection has one to insert the fixing pin 426 that is fixed in the assembly hole 36 on this stationary cam 41.

Among the utility model preferred embodiment, be fixed with fixed

block

27,28, for example a hold-doun nut respectively on two fixed ends 211,212 of these rotating shaft 20 axostylus axostyles 21; These several spring sheets 25 are between second bolster 30 and wherein between the fixed block 28.

Please refer to Fig. 6 to Fig. 9, open and loam cake 92 when suffering external force pressure when the relative bases 91 of loam cake 92, buffering stop blocking means 40 provides buffer function in the mode of length of spring compressed, avoids the pivot device rotational velocity too fast and cause the fracture damage of buffering stop blocking means 40.When the rail block 411 of stationary cam 41 contacts with the contact tab 421 of movable cam 42, if further rotation second bolster 30 and loam cake 92 can allow the user know that buffering stop blocking means 40 has played a role because experiencing the elastic force of damping spring 43, this moment, loam cake 92 was positioned at best user's watching angle (relative approximately base 91 is the 120-145 degree, as Fig. 6 and shown in Figure 8).If the user further presses down (as Fig. 7 and Fig. 9), when the user discharges loam cake 92, the elastic force of damping spring 43 then makes movable cam 42 and stationary cam 41 produce slide relative, makes that second bolster 30 and loam cake 92 are reverse to be turned back to above-mentioned best user's watching angle.Movable cam 42 further relative fixed cam 41 rotations are again avoided in the effect of 415 performances of the stop block on aforesaid stationary cam 41 rail blocks 411 limited angular.Therefore, in this preferred embodiment,, represent that then loam cake 92 turn to 180 degree with respect to base 91 if this movable cam 42 is supported by the stop block 415 of this stationary cam 41.

So, when buffering stop type pivot device 1 can make loam cake 92 relative bases 91 open, be deployed in best opening angle, see for the user and look; Even if loam cake 92 suffers external force pressure and opens above this and open special angle, buffering stop type pivot device 1 also can provide the strength that resets to loam cake 92, make loam cake 92 be turned back to this special angle, make the user watch screen on the loam cake 92 whereby, avoid repeatedly the school to transfer the problem of loam cake 92 angles with best angle.

Claims

1. A buffer stop type hinge, characterized in that: it includes:

a first support bracket, used for connecting with a base of an electronic device;

a rotating shaft fixed on the first support frame;

a second bracket, rotatably threaded on the rotating shaft, for connecting the upper cover of the electronic device; and

A buffer stop device is arranged between the rotating shaft and the second bracket, and provides a buffer torque for the second bracket to avoid excessive rotation of the second bracket relative to the first bracket.

2. The buffer stop type hinge device according to claim 1, characterized in that: the buffer stop device has a fixed cam, a movable cam and a buffer spring; the fixed cam is slidably fitted on the rotating shaft On the fixed cam, a track block is formed in the axial direction of the rotating shaft, and the track block has a track surface; the movable cam is rotatably sleeved on the rotating shaft and fixed with the second bracket, and the movable cam is A contact protrusion is formed axially along the rotating shaft, which contacts the track block and can slide along the track surface, so that the fixed cam slides on the rotating shaft to change the distance between the fixed cam and the movable cam; the buffer spring It is worn on the rotating shaft and abuts against the first support frame and the fixed cam with two ends respectively, forcing the fixed cam to lean against the movable cam.

3. The buffer stop type pivot device as claimed in claim 2, characterized in that: the rotating shaft is threaded with several spring pieces to force the second bracket and the movable cam to lean against the fixed cam.

4. The buffer stop type hinge according to claim 2 or 3, characterized in that: the track surface of the track block on the fixed cam is inclined relative to the rotating shaft.

5. The buffer stop type hinge according to claim 2 or 3, characterized in that: the track surface of the track block on the fixed cam is arc-convex.

6. The buffer stop type hinge device according to claim 5, characterized in that: a stop block is protruded from the end of the track surface of the track block on the fixed cam closer to the movable cam along the axial direction; the movable cam When the contact projection of the cam touches the stop block, the second support frame cannot be further rotated relative to the rotating shaft.

7. The buffer stop type hinge device according to claim 6, characterized in that: a fixing hole is formed through the first bracket; the rotating shaft has a shaft and a stop flange, and the shaft has two opposite fixed ends, and one of the fixed ends penetrates and is fixed in the fixing hole of the first bracket, and the stopper flange protrudes radially from the shaft rod and is interposed between the fixed cam and the movable cam; A shaft hole is formed through the two support frames for the shaft rod of the rotating shaft to pass through.

8 . The cushioning stop hinge according to claim 7 , wherein an assembling hole is formed on the second bracket; a fixing pin protruding from the fixing cam is inserted and fixed in the assembling hole. 9 .

9. The buffer stop type hinge device according to claim 8, characterized in that: the two fixed ends of the rotating shaft shaft are respectively fixed with a fixing piece; the several spring pieces are interposed between the second bracket and one of the fixing pieces. between pieces.

10. An electronic device with a buffer stop type hinge, characterized in that it includes a base, a top cover and at least one buffer stop type hinge connected between the base and the top cover, wherein the buffer stop Type hub includes:

a first bracket connected to the base;

a rotating shaft fixed on the first support frame;

a second bracket, which is rotatably fitted on the rotating shaft and connected to the upper cover; and

A buffer stop device is arranged between the rotating shaft and the second support frame, and provides a buffer torque for the second support frame to prevent the second support frame from over-rotating relative to the first support frame.