CN101684836B

CN101684836B - Fixing device

Info

Publication number: CN101684836B
Application number: CN2008101490731A
Authority: CN
Inventors: 王庚平; 孟庆昌; 陈芝菁
Original assignee: Asustek Computer Inc
Current assignee: Asustek Computer Inc
Priority date: 2008-09-22
Filing date: 2008-09-22
Publication date: 2012-05-23
Anticipated expiration: 2028-09-22
Also published as: CN101684836A

Abstract

The present invention discloses a fixing device, fixed on a surface. The fixing device comprises a cupule, a rack, a gear, a shift-to-rotation unit, a slip-resistance unit and a casing. The rack is connected with the cupule. The gear is engaged with the rack. The shift-to-rotation unit is connected with the gear, rotates the gear to push the rack to shift between a first position and a second position, when the rack is in the first position, the rack pulls the cupule, in order to generate a suction force; when the rack is in the second position, the suction force of the cupule to the surface is released. The slip-resistance unit is connected with the rack, and limits the position of the rack. The gear, the rack and the slip-resistance unit are all arranged in the casing.

Description

Fixing device

Technical field

The present invention is relevant for a kind of fixing device, particularly relevant for a kind of fixing device that a portable electronic devices is fixed in a surface.

Background technique

With reference to Fig. 1, it shows the known fixing device 1 that portable electronic devices is fixed in a surface 2, and this fixing device 1 comprises a sucker 10 and a knob 20.The user through this knob 20 of rotation so that this sucker 10 absorption or break away from should surface 2.

In known technology, the only simple strength with push-and-pull sucker 10 of knob 20 converts the form of rotation into, and its labor-saving effect is lower.When the strength of user finger is not enough, and can't accomplish this knob 20 of rotation easily so that the action that this sucker 10 adsorbs causes user's inconvenience.

Summary of the invention

A kind of fixing device that the present invention promptly provides for desire solves the problem of known technology is fixed in a surface.In one embodiment, this fixing device comprises a sucker, a tooth bar, a gear, a translation commentaries on classics rotary unit, an on-slip unit and a housing.Tooth bar connects this sucker.This tooth bar of gear engagement, gear comprises second inclined guide rails.Translation is changeed rotary unit and is connected this gear, and this translation is changeed rotary unit and rotated this gear, wherein; Translation is changeed rotary unit and is comprised the button and first inclined guide rails, and first inclined guide rails is formed in the button, the corresponding contact of first inclined guide rails second inclined guide rails; When button moved, second inclined guide rails slided with respect to first inclined guide rails, rotated with driven gear; And then it is mobile between a primary importance and a second place to promote this tooth bar, when this tooth bar is positioned at this primary importance, and this this sucker of tooth bar pulling; So that this surface is produced a suction, when this tooth bar was positioned at a second place, this sucker was released this suction on this surface.The on-slip unit connects this tooth bar, and wherein, this on-slip unit limits the position of this tooth bar.Tooth bar, gear and on-slip unit all are located among the housing.

Use embodiments of the invention, because the user progressively makes sucker be adsorbed in the surface of desire absorption through pressing button.Therefore compared to known technology, the power that the user can be less is accomplished and is made sucker be adsorbed in the action on the surface of desire absorption.

Description of drawings

Fig. 1 shows known fixing device;

Fig. 2 is the stereogram that shows the fixing device of the embodiment of the invention;

Fig. 3 is the internal structure that shows the fixing device of the embodiment of the invention;

Fig. 4 is the partial structurtes that show translation commentaries on classics rotary unit and gear; And

Fig. 5 a-5g is the inner action of fixing device that shows the embodiment of the invention.

Embodiment

With reference to Fig. 2, it is the fixing device 100 that shows the embodiment of the invention, in order to a portable electronic devices is fixed in a surface 101.With reference to Fig. 3, it is the internal structure that shows fixing device 100.Fixing device 100 comprises that a sucker 110, a tooth bar 120, a gear 130, a translation change rotary unit 140, an on-slip unit 150 and a housing 160.Tooth bar 120 connects this sucker 110.Gear 130 these tooth bars 120 of engagement.Translation is changeed rotary unit 140 and is connected this gear 130, and this translation is changeed rotary unit 140 and rotated this gear 130, moves between a primary importance and a second place to promote this tooth bar 120.When this tooth bar 120 is positioned at this primary importance, this tooth bar 120 these suckers 110 of pulling, so that this surface is produced a suction, when this tooth bar 120 was positioned at a second place, this tooth bar 120 discharged this suction that 110 pairs in these suckers should the surface.On-slip unit 150 connects this tooth bar 120, and wherein, this on-slip unit 150 is limited to the position, a location between this primary importance, this second place or this primary importance and this second place with this tooth bar 120.This tooth bar 120, this gear 130 and this on-slip unit 150 all are located among this housing 160.

In Fig. 3, the first half of housing 160 is represented by dotted lines, with clearer performance embodiments of the invention.Housing 160 comprises an opening 161.When this on-slip unit 150 limits the position of this tooth bar 120, the inwall of this on-slip unit this opening 161 of 150 butts.

This tooth bar 120 comprises a plurality of first teeth 121 and a plurality of second tooth 122, these first tooth, 121 these gears 130 of engagement, these these on-slip unit 150 of second tooth, 122 butts.Tooth bar 120 also comprises one first rack surface 123 and one second rack surface 124; This first rack surface 123 is perpendicular to this second rack surface 124; These first teeth 121 are formed on this first rack surface 123, and these second teeth 122 are formed on this second rack surface 124.

This on-slip unit 150 comprises an on-slip push rod 151, an elastic element 152, a pivot 153 and a guide pillar 154.This on-slip push rod 151 comprises one first end 1511 and one second end 1512.This on-slip push rod 151 rotatably is located on this pivot 153.This elastic element 152 is a pressure spring, and is sheathed on this guide pillar 154.This pivot 153 and this guide pillar 154 all are located among the housing 160, and connect the inwall of housing 160.

With reference to Fig. 4; This translation is changeed rotary unit 140 and is comprised a button 141 and one first inclined guide rails 142; This gear 130 comprises one second inclined guide rails 131; This first inclined guide rails 142 is formed in this button 141, and this second inclined guide rails 131 is formed on this gear 130, these first inclined guide rails, 142 corresponding these second inclined guide rails 131 of contact.This gear 130 is located in the rotating shaft 132.When this button 140 moves when pressing down along translation direction Z, this second inclined guide rails 131 slides with respect to this first inclined guide rails 142, rotates along sense of rotation φ to drive this gear 130.

Following with reference to Fig. 5 a-5g, with the action of the fixing device of describing the embodiment of the invention, wherein, the part of sucker 110 is omitted to simplify and is described.

With reference to Fig. 5 a, when sucker 110 adsorbed, this tooth bar 120 was positioned at this second place, and on-slip push rod 151 is positioned at a first orientation.Then; With reference to Fig. 5 b, the user presses down after this button 141, and translation is changeed rotary unit 140 driven gears 130 and promoted tooth bar 120; At this moment; First end 1511 of on-slip push rod 151 slides along the hypotenuse of these second teeth 122, and on-slip push rod 151 is pushed to a second orientation, and allows that this tooth bar 120 moves with respect to this first end 1511.Then; With reference to Fig. 5 c, this elastic element 152 promotes on-slip push rod 151 and returns back to this first orientation, these second teeth 122 of first end, 1511 butts of on-slip push rod 151; The inwall of second end, the 1512 butt openings 161 of this on-slip push rod 151 is to be limited to this tooth bar position, one location.Borrowing above-mentioned action, the user can progressively make sucker 110 be adsorbed in this surface 101 through pressing button 141.

With reference to Fig. 5 d, when sucker 110 fully adsorbed, this tooth bar 120 was positioned at this primary importance, and on-slip push rod 151 is positioned at a first orientation.With reference to Fig. 5 e, when user's desire with this fixing device 100 from this surface 101 when breaking away from, the user promotes this second end 1512 so that this on-slip push rod 151 is rotated to this second orientation, this first end 1511 leaves these second teeth 122 and discharges this tooth bar 120.With reference to Fig. 5 f, tooth bar 120 is owing to the elastic force of sucker 110 is replied this second place.Then; With reference to Fig. 5 g, this elastic element 152 promotes on-slip push rod 151 and returns back to this first orientation, these second teeth 122 of first end, 1511 butts of on-slip push rod 151; The inwall of second end, the 1512 butt openings 161 of this on-slip push rod 151 is to be limited to this second place with this tooth bar.

Though the present invention discloses as above with concrete preferred embodiment; Right its is not in order to limit the present invention; Anyly have the knack of this art; Do not breaking away from the spirit and scope of the present invention, still can do a little change and retouching, so protection scope of the present invention is as the criterion when looking claims person of defining.

Claims

1. a fixing device is fixed in a surface, it is characterized in that, comprising:

Sucker;

Tooth bar connects above-mentioned sucker;

Gear meshes above-mentioned tooth bar, and said gear comprises second inclined guide rails;

Rotary unit is changeed in translation, connects said gear, and above-mentioned translation is changeed rotary unit and rotated said gear; Wherein, above-mentioned translation is changeed rotary unit and is comprised the button and first inclined guide rails, and above-mentioned first inclined guide rails is formed in the above-mentioned button; Above-mentioned second inclined guide rails of the corresponding contact of above-mentioned first inclined guide rails, when above-mentioned button moved, above-mentioned second inclined guide rails slided with respect to above-mentioned first inclined guide rails; Rotate to drive said gear, and then it is mobile between the primary importance and the second place to promote above-mentioned tooth bar, when above-mentioned tooth bar is positioned at above-mentioned primary importance; Above-mentioned tooth bar spurs above-mentioned sucker; So that above-mentioned surface is produced suction, when above-mentioned tooth bar was positioned at said second position, above-mentioned sucker was released the above-mentioned suction on above-mentioned surface; And

The on-slip unit connects above-mentioned tooth bar, in order to limit the position of above-mentioned tooth bar.

2. fixing device according to claim 1 is characterized in that, above-mentioned tooth bar comprises a plurality of first teeth and a plurality of second tooth, above-mentioned these first tooth engagement said gear, the above-mentioned on-slip of above-mentioned these second tooth butts unit.

3. fixing device according to claim 2; It is characterized in that; Above-mentioned tooth bar comprises first rack surface and second rack surface; Above-mentioned first rack surface is perpendicular to above-mentioned second rack surface, and above-mentioned these first profiles of tooth are formed on above-mentioned first rack surface, and above-mentioned these second profiles of tooth are formed on above-mentioned second rack surface.

4. fixing device according to claim 2; It is characterized in that above-mentioned on-slip unit comprises on-slip push rod and elastic element, above-mentioned on-slip push rod comprises first end and second end; When the above-mentioned tooth bar in restriction location, above-mentioned on-slip unit; Above-mentioned these second teeth of the above-mentioned first end butt, the above-mentioned second end butt, one housing, above-mentioned elastic element contact above-mentioned on-slip push rod and push away and make above-mentioned these second teeth of the above-mentioned first end butt.

5. fixing device according to claim 4; It is characterized in that above-mentioned on-slip unit also comprises pivot, above-mentioned on-slip push rod rotatably is located on the above-mentioned pivot; When the above-mentioned tooth bar in restriction location, above-mentioned on-slip unit, above-mentioned on-slip push rod is positioned at first orientation.

6. fixing device according to claim 5 is characterized in that, when above-mentioned on-slip push rod was rotated to second orientation, above-mentioned first end left above-mentioned these second teeth and discharges above-mentioned tooth bar.

7. fixing device according to claim 4 is characterized in that, above-mentioned elastic element is a pressure spring, and above-mentioned on-slip unit also comprises guide pillar, and above-mentioned pressure spring is sheathed on the above-mentioned guide pillar, and above-mentioned guide pillar is located in the above-mentioned housing.

8. fixing device according to claim 4; It is characterized in that above-mentioned on-slip unit comprises on-slip push rod and elastic element, above-mentioned on-slip push rod comprises first end and second end; When the above-mentioned tooth bar in restriction location, above-mentioned on-slip unit; The above-mentioned tooth bar of the above-mentioned first end butt, the above-mentioned housing of the above-mentioned second end butt, above-mentioned elastic element contact above-mentioned on-slip push rod and push away and make the above-mentioned tooth bar of the above-mentioned first end butt.

9. fixing device according to claim 8; It is characterized in that above-mentioned on-slip unit also comprises pivot, above-mentioned on-slip push rod rotatably is located on the above-mentioned pivot; When the above-mentioned tooth bar in restriction location, above-mentioned on-slip unit, above-mentioned on-slip push rod is positioned at first orientation.

10. fixing device according to claim 9 is characterized in that, when above-mentioned on-slip push rod was rotated to second orientation, above-mentioned first end left above-mentioned these second teeth and discharges above-mentioned tooth bar.

11. fixing device according to claim 8 is characterized in that, above-mentioned elastic element is a pressure spring, and above-mentioned on-slip unit also comprises guide pillar, and above-mentioned pressure spring is sheathed on the above-mentioned guide pillar, and above-mentioned guide pillar is located in the above-mentioned housing.