CN2769596Y

CN2769596Y - Pivot device

Info

Publication number: CN2769596Y
Application number: CN 200420064296
Authority: CN
Inventors: 吕胜男; 徐敬祥; 詹曜聪
Original assignee: Shin Zu Shing Co ltd
Current assignee: Shin Zu Shing Co ltd
Priority date: 2004-05-27
Filing date: 2004-05-27
Publication date: 2006-04-05
Anticipated expiration: 2014-05-27

Abstract

The utility model relates to a pivot device which is mainly arranged between an upper cover and a bottom seat of a palm type game device. The utility model comprises a rotary device, a pivot shaft, a positioning block and a fixing sheet, wherein the rotary device is fixed on the upper cover, one end of the fixing sheet is fixed on the bottom seat and the other end of the fixing sheet is fixed on the pivot shaft. One end of the pivot shaft is provided with a noncircular shaft rod, a first shaft seat and a second shaft seat are arranged on the rotary device, wherein shaft holes are molded on the first shaft seat and the second shaft seat and two convex blocks which are positioned on a same straight line are molded on the end edge of the second shaft seat. A first groove and a second groove are molded on the positioning block, the first and the second grooves are respectively positioned on the straight line which passes through the circle center of the positioning block and the pivot shaft is arranged on each shaft hole of each shaft seat. When the upper cover is opened or closed, the rotary device can be driven to rotate, and thus, each convex block is embedded with each groove. The upper cover can be positioned in an easy-to-use view angle by users, and the utility model can avoid the damage caused by that the upper cover is collide with the bottom seat when the upper cover is closed.

Description

Pivot device

Technical field

The utility model relates to a kind of connection set, relates in particular to a kind of locating function with multistage, and also locate at the visual angle that allows the user can be adjusted at more convenient use, and avoids loam cake and base to produce the pivot device structure of bump when closure.

Background technique

Existing pivot device can be used on notebook computer, translating machine or the hand held Game device, general hand held Game device as shown in figure 10, its display screen 71 is located on the loam cake 70, its button 81 is located on the base 80, loam cake 70 articulates mutually with base 80 with a pivot 90, it is that fulcrum rotates with respect to base 80 with pivot 90 that pivot 90 makes loam cake 70, to reach the function of opening loam cake 70 or closing loam cake 70.Existing pivot 90 does not have the function of location, when the user when opening loam cake 70, the weight that can be had because of loam cake 70 makes loam cake 70 can't be positioned at the required visual angle of user, when user's closure loam cake 70, the also weight that can be had because of loam cake 70, and make the display screen 71 of loam cake 70 and base 80 produce the bump situation easily, and cause the damage of display screen 71, really have its inconvenience in the use.

The model utility content

In order to overcome the above-mentioned shortcoming that existing pivot device exists, the utility model provides a kind of pivot device of tool locating function, the locating function that it has multistage, also locate at the visual angle that allows the user can be adjusted at more convenient use, and avoid loam cake and base to produce bump when closure.

The technological scheme that its technical problem that solves the utility model adopts is:

A kind of pivot device, it is characterized in that, comprise: a whirligig, it is provided with a fixing part, the two ends of fixing part are respectively equipped with one first axle bed and second axle bed, are formed with the axis hole of a non-enclosed shape on first axle bed and second axle bed respectively, are formed with breach on the periphery of axis hole, form outward extending two projections on the ora terminalis of second axle bed, one side, two projections lay respectively on the straight line by the axis hole center of circle; One pivot, its external diameter conforms to the aperture of the first axle bed axis hole, pivot is located in the axis hole of first axle bed, end at pivot is provided with one to piece, the external diameter that supports piece is identical with the external diameter of first axle bed, support piece and compress driving fit on the end face of first axle bed, it is one non-circular and form dihedral axostylus axostyle that the other end of pivot is provided with, and the length of axostylus axostyle and width are less than the aperture of the axis hole of second axle bed; A positioning block, its external diameter is identical with the external diameter of first axle bed of whirligig, form a slotted hole that is consistent with the axostylus axostyle shape on the positioning block, axostylus axostyle is located in the axis hole of the slotted hole and second axle bed in regular turn, the ora terminalis of positioning block one side be provided with first groove of the projection tabling of first axle bed and with second groove of the projection tabling of first axle bed, first and second groove lays respectively on the straight line by the positioning block center of circle, non-90 degree of the angle of first groove and second groove; One fixed plate, the one end is fixed on the pivot, and other is provided with a spring, and axostylus axostyle is arranged in the spring, and spring is pressed between positioning block and the pivot.

Aforesaid pivot device, wherein the section of first groove and second groove is taper.

Aforesaid pivot device, wherein positioning block forms a tank with respect to the opposite side of first groove and second groove, and slotted hole takes shape in the bottom surface of tank, and spring one end is placed in the tank.

Aforesaid pivot device, wherein pivot is provided with screw, is provided with perforation with respect to the screw place on the fixed plate, and other has one to be arranged in the perforation and to be fixed on screw in the screw.

Aforesaid pivot device wherein forms a short slot in screw one end opening side on the pivot, and fixed plate one end width is consistent with short slot, and perforation is positioned on this end of fixed plate.

Aforesaid pivot device, wherein be provided with the fixed block that a radius conforms to the axis hole of second axle bed, fixed block is provided with a circular hole, and the diameter of circular hole is greater than the length and the width of the axostylus axostyle of pivot, fixed block is held in the axis hole by second axle bed, and axostylus axostyle is arranged in the circular hole of fixed block.

Aforesaid pivot device, wherein whirligig is provided with several fixed holes.

Aforesaid pivot device, wherein fixed plate is provided with several fixed holes.

Advantage of the present utility model is, utilize the chimeric of the projection and first groove or second groove, reach the effect of location, allow the user loam cake can be fixed on the visual angle of more convenient use in use, and loam cake is when closure, locating effect because of projection and the first groove tabling produce can not clash into loam cake with base, really has practicability in the use.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is a schematic appearance of the present utility model

Fig. 2 is the schematic appearance of the utility model after being inverted

Fig. 3 is a decomposing schematic representation of the present utility model

Fig. 4 is the decomposing schematic representation of the utility model other direction

Fig. 5 is a side cutaway view of the present utility model

Fig. 6 opens the action schematic representation of 180 degree for the utility model loam cake

Fig. 7 is opened into the action schematic representation of a certain angle for the utility model loam cake

Fig. 8 is the action schematic representation of the utility model loam cake closure

Fig. 9 is an enforcement illustration of the present utility model

Figure 10 is the schematic appearance of existing pivot device

The number in the figure explanation:

10 whirligigs, 11 fixing parts

111 fixed holes, 12 first axle beds

121 axis holes, 122 breach

13 second axle beds, 131 axis holes

132 breach, 133 projections

20 pivots, 21 screws

22 short slots 23 support piece

24 axostylus axostyles, 30 positioning blocks

31 tanks, 311 slotted holes

32 first grooves, 33 second grooves

41 perforation of 40 fixed plates

42 fixed holes, 43 screws

50 fixed blocks, 51 circular holes

60 springs

Embodiment

See also Figure 1 and Figure 2, pivot device of the present utility model comprises members such as a whirligig 10, a pivot 20, a positioning block 30, a fixed plate 40, a fixed block 50 and a spring 60.

See also shown in Figure 3, aforesaid whirligig 10 is provided with a fixing part 11, fixing part 11 is provided with fixed hole 111, fixing part 11 two ends form first axle bed 12 and second axle bed 13 respectively, first axle bed 12 and second axle bed 13 are provided with two identical axis holes 121131 of aperture, be formed with breach 122132 on the periphery of axis hole 121131, that is form the pass of a non-sealing form, form outward extending two projections 133 at second axle bed 13 on respect to the ora terminalis of first axle bed, 12 1 sides, two projections 133 lay respectively at same online always by axis hole 131 centers of circle, projection 133 is circular-arc, the external diameter of aforesaid fixed block 50 is identical with axis hole 131 apertures of second axle bed 13, as shown in Figure 5, fixed block 50 can be positioned at axis hole 131 by 13 clampings of second axle bed, axially is formed with a circular hole 51 on the fixed block 50.

See also Fig. 2 and shown in Figure 3, aforesaid pivot 20 external diameters conform to axis hole 121 apertures of first axle bed 12, as shown in Figure 5, pivot 20 is located in the axis hole 121, pivot 20 1 ends are provided with one and support piece 23, the external diameter that supports piece 23 is identical with the external diameter of first axle bed 12, and it is one non-circular and form dihedral axostylus axostyle 24 that the other end of pivot 20 is provided with.The length of axostylus axostyle 24 and width are less than the aperture of the circular hole 51 of fixed block 50, and as shown in Figure 5, axostylus axostyle 24 can be located in the circular hole 51, and a side forms a short slot 22 at axostylus axostyle 24 and between the piece 23 on the pivot 20, and short slot 22 is provided with two screws 21.Aforesaid fixed plate 40 is the lamellar body of an approximate T shape, one end width is consistent with short slot 22 and is provided with perforation 41 with respect to screw 21, as shown in Figure 5, fixed plate 40 1 ends place on the short slot 22 of pivot 20, the other end of fixed plate 40 is provided with several fixed holes 42, and other has two screws 43 to be arranged in the perforation 41 and combines with screw 21.

See also shown in Figure 3, the external diameter of aforesaid positioning block 30 is identical with the external diameter of first axle bed 13 of whirligig 10, a side is provided with a tank 31 on the positioning block 30, the width of tank 31 is consistent with the external diameter of aforesaid spring 60, promptly as shown in Figure 5, spring 60 1 ends place in the tank 31, the slotted hole 311 that tank 31 bottom surface moulding one are consistent with axostylus axostyle 24 shapes.See also shown in Figure 4, the end face of positioning block 30 opposite sides is provided with first groove 32 and second groove 33, on the straight line that first and

second groove

32,33 lays respectively at by positioning block 30 centers of circle, the angle of first groove 32 and second groove 33 is not 90 degree, and the section of first groove 32 and second groove 33 becomes taper.

During combination, see also Fig. 3 and shown in Figure 4, first groove 32 of positioning block 30 is placed with respect to the projection 133 of whirligig 10, spring 60 is placed in the tank 31 of positioning block 30, fixed block 50 is placed in the axis hole 131 of second axle bed 13, utilize axostylus axostyle 24 1 ends to pass axis hole 121, spring 60, the slotted hole 311 of positioning block 30 and the circular hole 51 of fixed block 50 of first axle bed 12 in regular turn on pivot 20.The end face pushing clamping spring 60 that is connected with axostylus axostyle 24 by pivot 20, spring 60 compressions are made the end face driving fit of supporting the piece 23 and first axle bed 12 of pivot 20, fixed plate 40 is placed on the short slot 22 with the end that short slot 22 width of pivot 20 conform to, utilize screw 43 to be located in perforation 41 and the screw 21, fixed plate 40 is fixed on the pivot 20, promptly finishes opening state as shown in Figure 6.

During use, as shown in Figure 9, the fixed hole 42 of fixed plate 40 is fixed on the base 80, the fixing part 11 of whirligig 10 is fixed on the loam cake 70, when loam cake 70 is opened, see also shown in Figure 6, loam cake 70 driven rotary devices 10 rotate, the axis hole 131 of cause second axle bed 13 and the circular hole 51 of fixed block 50 all belong to circular, and the slotted hole 311 of axostylus axostyle 24 and positioning block 30 all belongs to non-circular, so when whirligig 10 rotates, axostylus axostyle 24 can be fixed positioning block 30, positioning block 30 is not rotated thereupon, and this moment, the projection 133 of second axle bed 13 was embedded in first groove 32 of positioning block 30, reached locating effect.When adjusting loam cake 70 visual angles, see also shown in Figure 7ly, this moment, projection 133 was embedded in second groove 33, reached locating effect.When closed loam cake 70, see also shown in Figure 8ly, this moment, projection 133 was embedded in first groove 32, reached locating effect.

Claims

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

One whirligig, it is provided with a fixing part, the two ends of fixing part are respectively equipped with one first axle bed and second axle bed, be formed with the axis hole of a non-enclosed shape on first axle bed and second axle bed respectively, be formed with breach on the periphery of axis hole, form outward extending two projections on the ora terminalis of second axle bed, one side, two projections lay respectively on the straight line by the axis hole center of circle;

One pivot, its external diameter conforms to the aperture of the first axle bed axis hole, pivot is located in the axis hole of first axle bed, end at pivot is provided with one to piece, the external diameter that supports piece is identical with the external diameter of first axle bed, support piece and compress driving fit on the end face of first axle bed, it is one non-circular and form dihedral axostylus axostyle that the other end of pivot is provided with, and the length of axostylus axostyle and width are less than the aperture of the axis hole of second axle bed;

A positioning block, its external diameter is identical with the external diameter of first axle bed of whirligig, form a slotted hole that is consistent with the axostylus axostyle shape on the positioning block, axostylus axostyle is located in the axis hole of the slotted hole and second axle bed in regular turn, the ora terminalis of positioning block one side be provided with first groove of the projection tabling of first axle bed and with second groove of the projection tabling of first axle bed, first and second groove lays respectively on the straight line by the positioning block center of circle, non-90 degree of the angle of first groove and second groove;

One fixed plate, the one end is fixed on the pivot, and other is provided with a spring, and axostylus axostyle is arranged in the spring, and spring is pressed between positioning block and the pivot.

2. pivot device according to claim 1 is characterized in that the section of described first groove and second groove is taper.

3. pivot device according to claim 2 is characterized in that described positioning block forms a tank with respect to the opposite side of first groove and second groove, and slotted hole takes shape in the bottom surface of tank, and spring one end is placed in the tank.

4. according to claim 2 or 3 described pivot devices, it is characterized in that described pivot is provided with screw, be provided with perforation with respect to the screw place on the fixed plate, other has one to be arranged in the perforation and to be fixed on screw in the screw.

5. pivot device according to claim 4 is characterized in that forming a short slot in screw one end opening side on the described pivot, and fixed plate one end width is consistent with short slot, and perforation is positioned on this end of fixed plate.

6. pivot device according to claim 5, it is characterized in that being provided with the fixed block that a radius conforms to the axis hole of second axle bed, fixed block is provided with a circular hole, the diameter of circular hole is greater than the length and the width of the axostylus axostyle of pivot, fixed block is held in the axis hole by second axle bed, and axostylus axostyle is arranged in the circular hole of fixed block.

7. pivot device according to claim 6 is characterized in that described whirligig is provided with several fixed holes.

8. pivot device according to claim 7 is characterized in that described fixed plate is provided with several fixed holes.