CN2800347Y - Pivotal device - Google Patents

Abstract

The utility model relates to a pivotal device which comprises a pivot shaft which is fixed on an upper cover of a notebook computer, and a fixed piece body which is fixed on a bottom seat of the notebook computer, wherein a concave positioning block and an elastic buffer device are arranged on the fixed piece body, a concave part is arranged on the concave positioning block and the concave positioning block is sheathed on the pivot shaft. A convex positioning block is sheathed on the pivot shaft and molded with a convex part corresponding to the concave part, and the circumference of the convex positioning block is molded with a flange which is pushed with an elastic buffer device. Because the convex positioning block can be blocked to automatically and quickly embed with the concave positioning block by the elastic buffer device, users can conveniently control the occasion that the upper cover is relatively closed on the bottom seat; meanwhile, the impact of the upper cover and the bottom seat can be avoided, which is caused by that the utility model can quickly close.

Description

Pivot device

Technical field

The utility model relates to a kind of pivot device, relates in particular to a kind of mobile computer that is installed in, with so that the loam cake of mobile computer with respect to the pivot device of base closure or openness.

Background technology

Pivot device is installed between the loam cake and base of mobile computer, with so that loam cake with respect to the base closure or openness, closed relatively when the base for fear of loam cake, loam cake and base produce bump, and the screen that is arranged at loam cake is damaged, the pivot device of prior art includes protruding locating piece and recessed locating piece, protruding locating piece is provided with protuberance, recessed locating piece is provided with relative recess, section is non-circular pivot and matches with a positioning block wherein, rotate to drive this locating piece, and when making loam cake closed with respect to base, the recess tabling of the protuberance of protruding locating piece and recessed locating piece, to reach locating effect, prevent that loam cake and base from producing bump, yet, when the pivot device of prior art uses, when the recess of the protuberance of protruding locating piece and recessed locating piece soon chimeric, because the part area of protuberance has fallen into recess, and the weight that had by loam cake itself influences, can produce a strength of quickening makes loam cake closed relatively fast in base, the strength of this acceleration allows loam cake closed relatively in base under the unexpected state of user easily, cause the inconvenience in the use, and wait easily therefore closure fast, and make loam cake and base produce bump, cause the screen that is arranged at loam cake to damage.

The utility model content

Because the shortcoming of aforesaid prior art, the utility model is improved the pivot device of prior art, make loam cake closed relatively before base, can produce a resistance and that loam cake is able to is slow closed relatively in base, clash into to avoid loam cake and base to produce.

For reaching above-mentioned creation purpose, the technological means that the utility model adopted is a kind of pivot device of design, and it comprises:

One pivot, one end are that section is non-circular sleeving connecting rod;

One fixing lamellar body, has a fixed part on it, fixed part is provided with elastic buffering mechanism, fixedly be provided with recessed locating piece with respect to one of elastic buffering mechanism top side on the lamellar body, recessed locating piece central authorities form a circular hole, recessed locating piece mat circle hole sleeve is located on the sleeving connecting rod of pivot, forms two relative recesses with respect to elastic buffering mechanism one side on the recessed locating piece, and the recess two ends form arc surface;

One protruding locating piece, it is located on the elastic buffering mechanism, protruding locating piece central authorities are formed with a non-circular perforation, protruding locating piece mat perforation is sheathed on the sleeving connecting rod of pivot, protruding locating piece forms protuberance with respect to recess with respect to recessed locating piece one side, the protuberance two ends form arc surface, and protruding locating piece periphery forms an arcuation flange that is used for the mutual ejection of elastic buffering mechanism;

One elastic device, it is sheathed on the sleeving connecting rod of pivot;

One pad, it is sheathed on the sleeving connecting rod of pivot;

One fixture, it is fixedly arranged on the sleeving connecting rod end.

The loam cake of pivot and mobile computer interfixes, fixedly the base of lamellar body and mobile computer interfixes, rotate to drive protruding locating piece by the rotation loam cake, and make the protuberance of protruding locating piece and the recess tabling of recessed locating piece, to reach the effect of location.

Advantage of the present utility model is, by the mutual ejection of the flange of elastic buffering mechanism and protruding locating piece, so that the resistance of protruding locating piece before desire and recessed locating piece tabling to be provided, make that the protuberance of protruding locating piece can be not automatically and fall into the recess of recessed locating piece fast, closure is the opportunity of base relatively so that the user controls loam cake, and the while can be avoided producing bump because of quick-make makes loam cake and base.

Description of drawings

Fig. 1 is a stereo appearance figure of the present utility model.

Fig. 2 is an assembly exploded view of the present utility model.

Fig. 3 is the stereo appearance figure of the another embodiment of the utility model.

Fig. 4 is the assembly exploded view of the another embodiment of the utility model.

Fig. 5 is an enforcement action synoptic diagram of the present utility model.

Fig. 6 is an enforcement action synoptic diagram of the present utility model.

Fig. 7 is an enforcement action synoptic diagram of the present utility model.

Fig. 8 is the stereo appearance figure of another embodiment of the utility model.

Fig. 9 is the assembly exploded view of another embodiment of the utility model.

Figure 10 is the enforcement action synoptic diagram of another embodiment of the utility model.

Figure 11 is the enforcement action synoptic diagram of another embodiment of the utility model.

Figure 12 is the enforcement action synoptic diagram of another embodiment of the utility model.

Embodiment

See also Fig. 1, Fig. 2, the utility model comprises a pivot 10, fixedly lamellar body 20, one protruding locating piece 30, an elastic device 40, a pad 50 and a fixture 60.

See also Fig. 2, aforesaid pivot 10 1 ends are fixed bar 11, and the other end is that section is non-circular sleeving connecting rod 12, and sleeving connecting rod 12 ends form threaded portion 121, and 12 of fixed bar 11 and sleeving connecting rods form bizet 13.

See also Fig. 1, Fig. 2, aforesaid fixedly lamellar body 20 has a fixed part 21, fixed part 21 is provided with elastic buffering mechanism 22, fixedly the side with respect to elastic buffering mechanism 22 tops is provided with recessed locating piece 23 on the lamellar body 20, recessed locating piece 23 central authorities form a circular hole 231, recessed locating piece 23 mat circular holes 231 are sheathed on the sleeving connecting rod 12 of pivot 10, form two relative recesses 232 with respect to elastic buffering mechanism 22 1 sides on the recessed locating piece 23, recess 232 two ends form arc surface, and the bizet 13 of recessed locating piece 23 opposite sides and pivot 10 reclines mutually.

See also Fig. 1, Fig. 2, aforesaid elastic buffering mechanism 22 includes the square accommodation chamber of being located on the fixed part 21 221, accommodation chamber 221 is plastic on fixed part 21, or as shown in Figures 3 and 4, fixed part 21 is provided with two guide blocks 211, accommodation chamber 221 both sides are provided with the slide rail 221a with respect to guide block 211, accommodation chamber 221 is arranged on the fixed part 21 by slide rail 221a, accommodation chamber 221 tops form a breach 221b, one spring 222 is arranged in the accommodation chamber 221, one ejecting sheet 223 is arranged in the accommodation chamber 221, ejecting sheet 223 is held between spring 222 and the accommodation chamber 221 top inwalls, ejecting sheet 223 forms groove 223a with respect to breach 221b one side of accommodation chamber 221, and a cylinder 224 is located among the breach 221b of accommodation chamber 221, and cylinder 224 is posted by on the ejecting sheet 223 and is placed among the groove 223a of ejecting sheet 223.

Aforesaid protruding locating piece 30 is located on the elastic buffering mechanism 22, protruding locating piece 30 central authorities form a non-circular perforation 31, protruding locating piece 30 mats perforation 31 is sheathed on the sleeving connecting rod 12 of pivot 10, protruding locating piece 30 forms protuberance 32 with respect to recess 232 with respect to recessed locating piece 23 1 sides, protuberance 32 two ends form arc surface, protruding locating piece 30 peripheries form an arcuation flange 33, by flange 33 and elastic buffering mechanism 22 mutual ejections.

Aforesaid elastic device 40 is sheathed on the sleeving connecting rod 12 of pivot 10, and aforesaid pad 50 is sheathed on the sleeving connecting rod 12, and aforesaid fixture 60 is fixedly arranged on sleeving connecting rod 12 ends, and fixture 60 can be a nut and is screwed together on the threaded portion 121 of sleeving connecting rod 12.

See also Fig. 2 and Fig. 5, the fixed bar 11 of pivot 10 interfixes with the loam cake 70 of mobile computer, fixedly the fixed part 21 of lamellar body 20 interfixes with the base 80 of mobile computer, when loam cake 70 pivots with respect to base 80, drive pivot 10 rotations, because sleeving connecting rod 12 sections of pivot 10 are non-circular, and protruding locating piece 30 is sheathed on the sleeving connecting rod 12 with non-circular perforation 31, so pivot 10 drives protruding locating piece 30 rotations, when the recess 232 of the protuberance 32 of protruding locating piece 30 and recessed locating piece 23 mutual chimeric, make loam cake 70 closed or open 180 when spending, all have locating effect with respect to base 80.

See also Fig. 2, Fig. 5 to Fig. 7, when loam cake 70 is about to closed relatively during in base 80, the part area of the protuberance 32 of protruding locating piece 30 has fallen into the recess 232 of recessed locating piece 23, the spring 22 of elastic buffering mechanism 22 leans ejecting sheet 223, make ejecting sheet 223 push against cylinders 224, the flange 33 of the protruding locating piece 30 of cylinder 224 ejections, so produce a resistance, to stop protruding locating piece 30 automatic and recessed locating piece 23 tablings, the user must the application of force make the flange 33 of protruding locating piece 30 press down cylinder 224, use the elastic force of antagonistic spring 222, can continue to make loam cake 70, and make loam cake 70 closed relatively in base 80 with respect to base 80 rotations.

See also Fig. 8 and Fig. 9, another embodiment of elastic buffering mechanism 22 ' includes the fixed muffle 221 ' that is formed on the fixing lamellar body 20, form internal thread in fixed muffle 221 ' one end opening and its, one fixed mount 222 ' is located at the open side of fixed muffle 221 ', one screw 223 ' runs through fixed mount 222 ' and is screwed together in the fixed muffle 221 ', one spring 224 ' is arranged in fixed mount 222 ' and is sheathed on the screw 223 ', spring 224 ' one end is posted by in the fixed mount 222 ', the other end is posted by on the fixed part 21 of fixing lamellar body 20, one ejection piece 225 ' is arranged in fixed mount 222 ' and part exposes to fixed mount 222 ', one latch 226 ' runs through fixed mount 222 ' and ejection piece 225 ', by this ejection piece 225 ' is fixed on the fixed mount 222 '.

See also Fig. 9 to Figure 12, when loam cake 70 is about to closed relatively during in base 80, the part area of the protuberance 32 of protruding locating piece 30 has fallen into the recess 232 of recessed locating piece 23, the flange 33 of the protruding locating piece 30 of ejection piece 225 ' ejection, because spring 224 ' leans fixed mount 222 ', so produce a resistance, to stop protruding locating piece 30 automatic and recessed locating piece 23 tablings, the user must the application of force make the flange 33 of protruding locating piece 30 press down the elastic force that ejection piece 225 ' is used antagonistic spring 224 ', can continue to make loam cake 70 with respect to base 80 rotations, and make loam cake 70 closed relatively in base 80.

Claims (8)

1. pivot device, it is characterized in that: comprise a pivot, the one end is that section is non-circular sleeving connecting rod; One fixing lamellar body, has a fixed part on it, fixed part is provided with elastic buffering mechanism, fixedly be provided with recessed locating piece with respect to one of elastic buffering mechanism top side on the lamellar body, recessed locating piece central authorities form a circular hole, recessed locating piece mat circle hole sleeve is located on the sleeving connecting rod of pivot, forms two relative recesses with respect to elastic buffering mechanism one side on the recessed locating piece, and the recess two ends form arc surface; One protruding locating piece, it is located on the elastic buffering mechanism, protruding locating piece central authorities are formed with a non-circular perforation, protruding locating piece mat perforation is sheathed on the sleeving connecting rod of pivot, protruding locating piece forms protuberance with respect to recess with respect to recessed locating piece one side, the protuberance two ends form arc surface, and protruding locating piece periphery forms an arcuation flange that is used for the mutual ejection of elastic buffering mechanism; One elastic device, it is sheathed on the sleeving connecting rod of pivot; One pad, it is sheathed on the sleeving connecting rod of pivot; One fixture, it is fixedly arranged on the sleeving connecting rod end.

2. pivot device as claimed in claim 1, it is characterized in that, elastic buffering mechanism includes the square accommodation chamber of being located on the fixed part, the accommodation chamber top forms a breach, and a spring is arranged in the accommodation chamber, and an ejecting sheet is arranged in the accommodation chamber, ejecting sheet be held on spring and accommodation chamber top inwall between, one cylinder is located at the breach of accommodation chamber, and cylinder is posted by on the ejecting sheet, the mutual ejection of the flange of cylinder and protruding locating piece.

3. pivot device as claimed in claim 2 is characterized in that, the accommodation chamber of elastic buffering mechanism takes shape on the fixed part of fixing lamellar body.

4. pivot device as claimed in claim 2 is characterized in that fixedly the fixed part of lamellar body is provided with two guide blocks, and the accommodation chamber both sides are provided with the slide rail with respect to guide block, and accommodation chamber is arranged on the fixed part by slide rail.

5. as claim 2,3 or 4 described pivot devices, it is characterized in that the ejecting sheet of elastic buffering mechanism forms groove with respect to breach one side of accommodation chamber, cylinder card places groove.

6. pivot device as claimed in claim 5, it is characterized in that, be fixed bar with respect to the sleeving connecting rod other end on the pivot, form bizet between fixed bar and sleeving connecting rod, bizet is posted by on the recessed locating piece opposite side with respect to recess, the sleeving connecting rod end forms the threaded portion, and fixture is a nut and is screwed together on the threaded portion of sleeving connecting rod.

7. pivot device as claimed in claim 6, it is characterized in that, be fixed bar with respect to the sleeving connecting rod other end on the pivot, form bizet between fixed bar and sleeving connecting rod, bizet is posted by on the recessed locating piece opposite side with respect to recess, the sleeving connecting rod end forms the threaded portion, and fixture is a nut and is screwed together on the threaded portion of sleeving connecting rod.

8. pivot device as claimed in claim 1, it is characterized in that, elastic buffering mechanism comprises the fixed muffle that is formed on the fixing lamellar body, form internal thread in fixed muffle one end opening and its, one fixed mount is located at the open side of fixed muffle, one screw runs through fixed mount and is screwed together in the fixed muffle, one spring is arranged in fixed mount and is sheathed on the screw, spring one end is posted by in the fixed mount, the other end is posted by on the fixed part of fixing lamellar body, and an ejection piece is arranged in fixed mount and part exposes to fixed mount, the mutual ejection of the flange of ejection piece and protruding locating piece, one latch runs through fixed mount and ejection piece, by this ejection piece is fixed on the fixed mount.

Images