CN102053674B

CN102053674B - Shielding device of ventilation hole

Info

Publication number: CN102053674B
Application number: CN200910308989A
Authority: CN
Inventors: 路少伟; 吴品先; 李光曜
Original assignee: Hongfujin Precision Industry Shenzhen Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Hongfujin Precision Industry Shenzhen Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2009-10-28
Filing date: 2009-10-28
Publication date: 2012-10-03
Anticipated expiration: 2029-10-28
Also published as: CN102053674A

Abstract

The invention discloses a shielding device of a ventilation hole, comprising a fixed seat, a sliding seat arranged on the fixed seat in a sliding manner, an operation part rotatably arranged on the sliding seat and a shielding module arranged on the sliding seat, wherein the fixed seat is provided with a first rack and a first hook hanging piece; the sliding seat is provided with a gear set and a third hook hanging piece; the third hook hanging piece is away from the first rack compared with the first hook hanging piece; the gear set comprises a first gear and a second gear which are coaxially arranged; the first gear is meshed with the first rack; a second arc rack is arranged at the operation part and is meshed with the second gear; the shielding module comprises a plurality of shielding pieces and a connected shaft body capable of driving the shielding pieces to rotate simultaneously; the connected shaft body is provided with two second hook hanging pieces which are positioned between the first hook hanging piece and the third hook hanging piece; a first spring is connected between the first hook hanging piece and the adjacent second hook hanging piece; and a second spring is connected between the third hook hanging piece and the adjacent second hook hanging piece. By operating the operation part, the opening-closing state of the shielding pieces can be controlled, thereby effectively preventing dust.

Description

The air vent masking device

Technical field

The present invention relates to a kind of air vent masking device.

Background technology

Computer housing generally can be provided with densely covered air vent being positioned on the panel of front side.When computer work, said air vent plays the purpose that helps computer case radiation.Yet air vent also makes the outer dust of computer housing can get into computer housing inside, and especially a large amount of dust quit work and get into computer housing by air vent when need not to dispel the heat at computer.This has jeopardized the interior electronic component of computer housing, has influenced the serviceable life of computer.

Summary of the invention

In view of above content, be necessary to provide a kind of can in good time the adjustment and effective dustproof air vent masking device.

A kind of air vent masking device comprises that a holder, is installed in the module that covers that operating portion and that the sliding seat of said holder, is installed in said sliding seat rotationally is installed in said sliding seat slidably; Said holder is provided with one first tooth bar and one first hook sheet; Said sliding seat is provided with a gear set and one the 3rd hook sheet; Said the 3rd hook sheet with respect to the said first hook sheet away from said first tooth bar; Said gear set comprises first gear and second gear of being located at same axle, and said first gear is meshed with said first tooth bar, and said operating portion extends second tooth bar of an arc; Said second tooth bar is meshed with said second gear; The said module that covers comprises that some rotating mattes that are arranged side by side and can drive the connecting shaft body that said matte rotates simultaneously, and said connecting shaft body extends two second hook sheets, and said two second hook sheets are between said first hook sheet and said the 3rd hook sheet; The said first hook sheet reaches and connects one first spring between the approaching with it said second hook sheet, and said the 3rd hook sheet reaches and connects one second spring between the approaching with it said second hook sheet.

After air vent masking device of the present invention is installed in electronic equipment such as computer, through operating its operating portion, the closure of may command matte, opens and open angle and degree, thereby can when computer quits work, avoid dust to get at least.

Description of drawings

Fig. 1 for the preferred embodiments of air vent masking device of the present invention in the stereographic map of closure state.

Fig. 2 is the three-dimensional exploded view of Fig. 1.

Fig. 3 is the part enlargement decomposition that covers module among Fig. 2.

Fig. 4 is the enlarged drawing of the sliding seat among Fig. 2.

Fig. 5 is that air vent masking device among Fig. 1 is in the stereographic map of open mode.

Fig. 6 is the stereographic map after the air vent masking device among Fig. 5 removes cover cap.

Embodiment

See also Fig. 1 and Fig. 2, the preferred embodiments of air vent masking device 8 of the present invention comprises that holder 10, a sliding seat 30, cover module 50, an operating portion 70 and a cover cap 90 one by one.

Holder 10 generally is the rectangle of growing crosswise.A rectangle plenum area 11 is established at holder 10 middle parts, and the lateral separation offers the air vent of some lengthwises in the plenum area 11.Holder 10 is in offering a groove 12 near the centre position at its right-hand member place, installing one locking part 13 in the groove 12.Holder 10 respectively is provided with one first tooth bar 14 in the both sides, front and back of groove 12.On the front and back both side edges of holder 10 respectively the compartment of terrain be provided with two leading screw fixed bodies 15, be used to set up leading screw 17.Each leading screw fixed body 15 comprises that a back-up block 151 and presses solidly piece 152.Back-up block 151 is fixedly arranged on the respective lateral edge of holder 10, is used to support leading screw 17.Press solidly piece 152 and can be used to press solidly leading screw 17 through screws in back-up block 151 tops.Back-up block 151 tops and press solidly piece 152 bottoms and establish half cylinder groove 153 respectively.Press solidly after piece 152 is locked in back-up block 151, their semicolumn groove 153 is merged into a cylinder groove, with the shape of coupling leading screw 17.The front and back both side edges of holder 10 extends upward out one first hook sheet 16 respectively.Each first hook sheet 16 is between two leading screw fixed bodies 15 of respective lateral edge.Each first hook sheet 16 is offered a hole 160.

Please combine Fig. 3, cover module 50 and comprise that some mattes that are arranged side by side 51, two press solidly bar 52 and two connecting shaft bodies 53.Each matte 51 comprises a microscler lamellar body 511.A protruding axle 512 is extended at the two ends of each lamellar body 511 respectively, and protruding axle 512 is in abutting connection with lamellar body 511 same lateral margins.The end away from corresponding lamellar body 511 of each protruding axle 512 vertically extends a coupled arm 513.The coupled arm 513 that is positioned at matte 51 the same sides all is installed in a said connecting shaft body 53 rotationally.The middle part of each connecting shaft body 53 is to extend two second hook sheets 54 away from the direction of matte 51.Each the second hook sheet, 54 installings, one link 540.Press solidly protruding axle 512 that bar 52 is used to press solidly matte 51 to sliding seat 30.Each presses solidly and offers the semicolumn groove 520 that protruding 512 shape some and matte 51 is complementary on the bar 52.Each end that presses solidly bar 52 extends one first stator, 55, the first stators 55 and offers a hole 550.

Please combine Fig. 4, sliding seat 30 generally is " H " shape, comprises that the two bar shaped sides 31 and that are oppositely arranged are vertically connected at the beam 39 between said dual-side 31 middle parts.Sliding seat 30 forms one first opening 32 in beam 39 left sides, forms one second opening 33 in beam 39 right sides.The part of adjacency first opening 32 of each side 31 is offered the semicolumn groove 310 that protruding 512 shape some and matte 51 is complementary, and is used to support the protruding axle 512 of matte 51.A grab 316 is extended at one end place of adjacency first opening 32 of each side 31.Each side 31 is established one the 3rd hook sheet 314 in corresponding grab 316 outsides, extends a hook 315 on said the 3rd hook sheet 314.Sliding seat 30 is convexly equipped with second stator, 35, two second stators 35 at two intervals respectively and offers coaxial hole 350 in the junction of its dual-side 31 and beam 39.Be provided with a rotating shaft 34 in contiguous Liang39Chu in second opening 33.Rotating shaft 34 is parallel to beam 39, and its two ends are set up in said dual-side 31 separably.Sheathed separably two torsion springs 36 in the rotating shaft 34.Each torsion spring 36 is provided with one first leg 361 and one second leg 362.First leg 361 is solidly plugged in beam 39.The part of adjacency second opening 33 of each side 31 is equiped with a gear set.Said gear set comprises that one rotates axle (figure does not show) and coaxial first gear 37 and second gear 38 that is installed in said axle that is installed in respective side edge 31.Wherein, second gear 38 is positioned at second opening, 33, the first gears 37 to be positioned at second opening 33 outer and be complementary with first tooth bar 14 of holder 10.Each side 31 has been offered two first corresponding to the leading screw fixed body 15 of holder 10 and has been kept away a hole 311.Each side 31 two first is kept away and is provided with two projections 312 between the hole 311 in it, and said two projections 312 are kept away a hole 311 in abutting connection with said two first respectively.Said two projections 312 offer coaxial through hole 3120.Each side 31 is offered one second corresponding to the first hook sheet 16 of holder 10 and is kept away a hole 313.

Operating portion 70 is a cuboid hollow shell.The opposite end of operating portion 70 offers axis hole 71 corresponding to the rotating shaft on the sliding seat 30 34.Said opposite end extends second tooth bar 72 of an arc respectively downwards corresponding to second gear 38 on the sliding seat 30.Operating portion 70 bottom surfaces are extended a tongue 73 (see figure 6)s downwards.Tongue 73 is supporting with the locking part 13 of holder 10, and has such fiting property: when external force made tongue 73 be pressed in locking part 13, tongue 73 was by locking part 13 lockings; When external force is pushed tongue 73 once more, tongue 73 will be unlocked.

Cover cap 90 is used to be covered on sliding seat 30, and its shape and sliding seat 30 adapt, and generally is " H " shape.

Please combine Fig. 6; During assembling; Sliding seat 30 is flat on holder 10; Make the plenum area 11 of first opening, 32 secured in alignment seats 10 of sliding seat 30, and make leading screw fixed body 15 and the first hook sheet 16 of holder 10 pass corresponding first of sliding seat 30 respectively to keep away a hole 311 and second and keep away a hole 313.Two leading screws 17 are passed respectively sliding seat 30 dual-side 31 projection 312 through hole 3120 and be fixed in the respective fixation body 15 of holder 10, thereby sliding seat 30 is installed in holder 10 slidably through leading screw 17.At this moment, first gear 37 of sliding seat 30 is meshed with corresponding first tooth bar 14 of holder 10.To cover first opening 32 that module 50 places sliding seat 30, and make the protruding axle 512 of matte 51 be supported in the corresponding semicolumn groove 310 of sliding seat 30.Press solidly bar 52 with said two and press solidly protruding axle 512, and each first stator 55 that presses solidly bar 52 is inserted between corresponding two second stators 35 of sliding seat 30 to matte 51 both sides.Utilize pin (figure does not show) or screw (figure does not show) to pass the hole 350 of second stator 35 and the hole 550 of first stator, can an end that press solidly bar 52 be fixed in sliding seat 30.The other end that presses solidly bar 52 is hooked by the corresponding grab 316 of sliding seat 30.So, press solidly bar 52 and be fixed in sliding seat 30, thereby press solidly in sliding seat 30 through pressing solidly the matte 51 that bar 52 will cover module 50.Each first hook sheet 16 of holder 10 with cover module 50 and these first hook sheet, 16 immediate second hook sheets 54 between be connected one first spring 41.During connection, the two ends of first spring 41 are hooked in the hole 160 of the corresponding first hook sheet 16 and the link 540 of the corresponding second hook sheet 54 respectively.Each the 3rd hook sheet 314 of sliding seat 30 with cover module 50 and the 3rd hook sheet 314 immediate second hook sheets 54 between be connected one second spring 42.During connection, the two ends of second spring 42 are hooked in the hook 315 of corresponding the 3rd hook sheet 314 and the link 540 of the corresponding second hook sheet 54 respectively.Operating portion 70 is installed in rotationally the rotating shaft 34 (this process needs earlier rotating shaft 34 to be separated with sliding seat 30) of sliding seat 30 through its axis hole 71; Make second leg 362 of torsion spring 36 replace operating portion 70 bottom surfaces or be solidly plugged in the operating portion 70, and make second tooth bar 72 of operating portion 70 be meshed with corresponding second gear 38 of sliding seat 30.At last cover cap 90 is covered on sliding seat 30.

Wherein, the half slot 91 that protruding 512 shape some and matte 51 is complementary has been offered in cover cap 90 bottom surfaces, further to press solidly matte 51.In addition, cover cap 90 is mainly used in covering sliding seat 30 and makes air vent masking device 8 of the present invention more attractive in appearance.In other embodiments, can save cover cap 90.

Please contrast with reference to Fig. 1, Fig. 5 and Fig. 6, during use, if tongue 73 is locked (like Fig. 1) by locking part 13, then matte 51 is in closed condition, and at this moment, first spring 41 and second spring 42 are not stretched.Press operating part 70 makes tongue 73 releases, and simultaneously the elastic force of torsion spring 36 makes operating portion 70 rotate counterclockwise (like Fig. 5 and Fig. 6) a bit of distance, with tongue 73 by ejecting in the locking part 13.Manual operation operating portion 70 rotates counterclockwise operating portion 70.Second tooth bar 72 of operating portion 70 makes gear set rotate because of second gear, 38 engagements with gear set.The rotation of gear set makes its first gear 37 roll along first tooth bar 14 of holder 10 left, thereby makes the sliding seat 30 at gear set place slide left.Sliding seat 30 slides left; Make the module 50 that covers be installed on sliding seat 30 fail to agree slips, make also that simultaneously the 3rd hook sheet 314 of movable work 30 causes first spring 41 and second spring 42 to be stretched away from the first hook sheet 16 of holder 10 along with sliding seat 30 integral body.Wherein, Because first spring 41 and second spring 42 are the equal of series relationship, this makes and is series at connecting shaft body 53 between first spring 41 and second spring 42 to the distance of the left movement total elongation (that is being the distance of sliding seat 30 to left movement) less than first spring 41 and second spring 42.That is to say that connecting shaft body 53 is actually with respect to sliding seat 30 and moves right mutually, driven and clockwise rotate by connecting shaft body 53 so cover the matte 51 of module 50, thereby make matte 51 be opened gradually with respect to sliding seat 30.In addition owing to have stiction between sliding seat 30 and the holder 10, this stiction greater than first spring 41, second spring 42 and torsion spring 36 with joint efforts, this makes sliding seat 30 slidably to the optional position and locate.Like this, the operator can through operating operation portion 70 control the matte 51 that covers module 50 closure, open and open angle and degree.

What need explanation is, matte 51 is when rotating, and connecting shaft body 53 can fluctuate because of the rotation of matte 51.The present invention has adopted the flexible connection mode of first spring 41 and second spring 42, can offset the influence that connecting shaft body 53 fluctuates.

In other embodiments, can save a said torsion spring 36.

In other embodiments, can save all torsion springs 36.Like this when opening operation portion 70, as long as operator's manual operation both can.In addition, also can save tongue 73 and locking part 13 simultaneously.

In other embodiments, can save a connecting shaft body 53 and corresponding first,

second spring

41,42.

In other embodiments, can save a said gear set and first,

second tooth bar

14,72 accordingly.

Claims

1. air vent masking device; Comprise that operating portion and that sliding seat, that a holder, is installed in said holder slidably and is positioned at said holder top is installed in said sliding seat rotationally is installed in said sliding seat and is positioned at the module that covers of said holder top; Said holder is provided with one first tooth bar and one first hook sheet; Said sliding seat is provided with a gear set and one the 3rd hook sheet; Away from said first tooth bar, said gear set comprises first gear and second gear of being located at same axle to said the 3rd hook sheet with respect to the said first hook sheet, and said first gear is meshed with said first tooth bar; Said operating portion extends second tooth bar of an arc; Said second tooth bar is meshed with said second gear, and the said module that covers comprises that some rotating mattes that are arranged side by side and can drive the connecting shaft body that said matte rotates simultaneously, and said connecting shaft body extends two second hook sheets; Said two second hook sheets are between said first hook sheet and said the 3rd hook sheet; The said first hook sheet reaches and connects one first spring between the approaching with it said second hook sheet, and said the 3rd hook sheet reaches and connects one second spring between the approaching with it said second hook sheet, when said operating portion rotates; Said second gear of second rack drives of said operating portion rotates; Said gear set is rotated, and said first gear rolls towards first direction along said first tooth bar, and said sliding seat slides towards first direction along said holder; The module that covers that is installed in said sliding seat moves towards the second direction opposite with first direction towards the first direction slip and relative to said sliding seat relative to said holder, makes said connecting shaft body drive said matte and rotates.

2. air vent masking device as claimed in claim 1; It is characterized in that: be installed with a locking part on the said holder; Said operating portion extend one with the supporting tongue of said locking part, when external force made tongue be pressed in said locking part, said tongue was locked by said locking part; When external force was pushed said tongue once more, said tongue was unlocked.

3. air vent masking device as claimed in claim 2; It is characterized in that: said operating portion is installed in said sliding seat rotationally through a rotating shaft; A sheathed torsion spring in the said rotating shaft; Said torsion spring is provided with one first leg and one second leg, and said first leg is fixed on said sliding seat, and said second leg acts on said operating portion.

4. air vent masking device as claimed in claim 1 is characterized in that: said holder is provided with two leading screws that are parallel to each other, and said two leading screws are arranged in the relative both sides of said sliding seat respectively, and said sliding seat can be slided along said leading screw.

5. air vent masking device as claimed in claim 1; It is characterized in that: said each matte that covers module comprises a lamellar body; The opposite end of each lamellar body extends a protruding axle respectively; Said sliding seat is offered the semicolumn groove that some and said protruding shape shaft is complementary, and said protruding axle is supported in the corresponding semicolumn groove of said sliding seat.

6. air vent masking device as claimed in claim 5; It is characterized in that: the said module that covers comprises that also two press solidly bar; Each presses solidly the semicolumn groove that the shape of the protruding axle of offering some and said matte on the bar is complementary, and the said bar that presses solidly presses solidly respectively on the said protruding axle that is positioned at homonymy that covers module through its semicolumn groove.

7. air vent masking device as claimed in claim 6; It is characterized in that: each end that presses solidly bar extends one first stator; Each presses solidly first stator of bar and offers a hole; Said sliding seat is convexly equipped with second stator at two intervals corresponding to each first stator; Said two second stators are offered coaxial hole, and said first stator inserts respectively between corresponding two second stators, and pin or screw pass the hole of said second stator and the hole of said first stator makes the said bar that presses solidly be fixed in said sliding seat.

8. air vent masking device as claimed in claim 5 is characterized in that: saidly cover being positioned on the protruding axle of each of homonymy of module and vertically extend a coupled arm, said coupled arm is installed in said connecting shaft body rotationally.