CN201851488U

CN201851488U - Pivoting device

Info

Publication number: CN201851488U
Application number: CN2010205851341U
Authority: CN
Inventors: 陈圣山; 陈圳鸿; 卓萌卿; 林佑叡
Original assignee: Foxlink Electronics Dongguan Co Ltd; Cheng Uei Precision Industry Co Ltd
Current assignee: Foxlink Electronics Dongguan Co Ltd; Cheng Uei Precision Industry Co Ltd
Priority date: 2010-10-22
Filing date: 2010-10-22
Publication date: 2011-06-01
Anticipated expiration: 2020-10-22

Abstract

The utility model discloses a pivoting device which comprises a rotating shaft piece, a shaft sleeve piece and an elastic component, wherein the rotating shaft piece is provided with a rotating shaft and a clamping piece which is fixed on the rotating shaft, and the clamping piece is provided with a plurality of clamping grooves along the circumferential direction. The shaft sleeve piece can be movably pivoted and sheathed on the rotating shaft piece relative to the axial direction, the shaft sleeve piece is provided with one pivot hole, the rotating shaft piece can be movably pivoted and sheathed in the pivot holes relative to the axial direction, the shaft sleeve piece is provided with at least one clamping tooth, and the clamping teeth can be optionally clamped in one of the clamping grooves. The elastic component is arranged between the rotating shaft piece and the shaft sleeve piece, so that the clamping teeth are clamped in the clamping grooves. The rotating shaft piece can axially move relative to the shaft sleeve piece, so that the clamping teeth are separated from the clamping grooves. The clamping teeth of the pivoting device can be optionally clamped in one clamping groove, and the rotating shaft piece can axially move relative to the shaft sleeve piece, so that the clamping teeth are separated from the clamping grooves, therefore, the pivoting device can conveniently and reliably limit and position the relative angle between the shaft sleeve piece and the rotating shaft piece.

Description

Pivot device

Technical field

The utility model relates to a kind of pivot device, relates in particular to a kind of orientable pivot device.

Background technique

When the prelocalization pivot device generally includes a rotating shaft, an axle sleeve and a spring.This axle sleeve one end has a rotary shaft hole, and this rotating shaft is installed in the rotary shaft hole, is provided with radial fluting around this rotary shaft hole, and spring retaining sleeve is located in the rotating shaft, and the elastic force of spring makes an end of rotating shaft be resisted against axle sleeve one end.

But, aforesaid location pivot device, action function is simple, along with development of science and technology, does not satisfy people's demand.

The model utility content

The purpose of this utility model is to overcome above-mentioned deficiency of the prior art, and a kind of pivot device that limits the location is provided.

For achieving the above object, the utility model provides a kind of pivot device, comprises a rotating shaft part, a sleeve member and an elastic element.The rotating shaft part has a rotating shaft and and is fixed in holder in the rotating shaft, and holder is provided with several draw-in grooves in a circumferential direction.Sleeve member can move to axial the ground pivot and be placed on the rotating shaft part, offer a pivot hole on this sleeve member, described rotating shaft part can move to axial the ground pivot be placed in this pivot hole, this sleeve member is provided with at least one latch, this latch one of selectively is fastened in the draw-in groove.Elastic element is installed between rotating shaft part and the sleeve member, and latch is fastened in the draw-in groove.Wherein, the rotating shaft part relatively sleeve member move axially and latch deviate from draw-in groove.

As mentioned above, the utility model pivot device, the latch of sleeve member selectively is fastened in the draw-in groove of holder and the rotating shaft part can move to axial with sleeve member and latch is deviate from draw-in groove, can adjust the relative angle between rotating shaft part and the sleeve member thus easily, and after adjusting, sleeve member and rotating shaft part are moved to axial and latch is fastened in another draw-in groove, so can limit the relative angle between positioning shaft external member and the rotating shaft part easily and reliably.

Description of drawings

Fig. 1 is the stereogram of the utility model pivot device.

Fig. 2 is the three-dimensional exploded view of pivot device shown in Figure 1.

Fig. 3 is the stereogram of the sleeve member of pivot device shown in Figure 1.

The stereogram that Fig. 4 does not move to axial as yet for pivot device shown in Figure 1.

The stereogram that Fig. 5 has moved to axial for pivot device shown in Figure 1.

Fig. 6 is the schematic representation of the latch of pivot device shown in Figure 1 limiting stopper and stop block relative position when engaging with draw-in groove.

Fig. 7 is the schematic representation of the latch of pivot device shown in Figure 1 and draw-in groove limiting stopper and stop block relative position when breaking away from.

The description of reference numerals of each component is as follows among the figure:

Pivot device 100 Couplings 10

Rotary shaft hole 11 limiting stoppers 12

20 rotating shafts 21 of rotating shaft part

Holder 22 draw-in grooves 221

Stop block 222 sleeve member 30

Pivot hole 31 elastic arms 32

Latch 321 containing grooves 33

First containing groove, 331 second containing grooves 332

Elastic element 40

Embodiment

By describing technology contents of the present utility model, structure characteristics in detail, realized purpose and effect, give explanation below in conjunction with mode of execution and conjunction with figs. are detailed.

See also Fig. 1, the utility model pivot device 100 has a Coupling 10, a rotating shaft part 20, a sleeve member 30 and an elastic element 40.

See also Fig. 1 to Fig. 3, offer a rotary shaft hole 11 on the described Coupling 10, this Coupling 10 is provided with a limiting stopper 12.

Described rotating shaft part 20, have a rotating shaft 21 and and be fixed in holder 22 in the rotating shaft 21, rotating shaft 21 1 ends pass from the rotary shaft hole 11 of Coupling 10, and holder 22 is provided with several draw-in grooves 221 in a circumferential direction, and holder 22 1 ends are in circumferencial direction and outwards convex with two stop blocks 222.

Described sleeve member 30 is fixed on this Coupling 10, sleeve member 30 can move to axial the ground pivot and be placed on the rotating shaft part 20, these sleeve member 30 tops offer a pivot hole 31, described rotating shaft part 20 can move to axial the ground pivot and be placed in this pivot hole 31, wherein, offer a containing groove 33 that communicates with pivot hole 31 in pivot hole 31 belows of sleeve member 30, this containing groove comprises one first containing groove 331 and one second containing groove 332 that is interconnected, described Coupling 10 shutoff second containing groove 332.But stretch out the elastic arm 32 of an elasticity activity on the cell wall of first containing groove 331 of described sleeve member 30, protrude out on this elastic arm 32 and form a latch 321, this latch 321 extend in this first containing groove 331 and selectively be fastened in holder 22 one of in the draw-in groove 221; Rotating shaft part 20 sleeve member 30 relatively can move to axial and latch 321 is deviate from draw-in groove 221.

See also Fig. 3, Fig. 6 and Fig. 7, when holder 22 is in second containing groove 332, described latch 321 is deviate from draw-in groove 221, stop block 222 is positioned at same horizontal plane with limiting stopper 12, wherein a stop block 222 can be when rotating shaft part 20 turns clockwise backstop in limiting stopper 12 places, another stop block 222 can be when rotating shaft part 20 be rotated counterclockwise backstop in limiting stopper 12 places, thereby the angle of swing of rotating shaft part 20 is limited to prevents rotating shaft part 20 and sleeve member 30 excessive relative rotations in the scope, when being positioned at first containing groove 331, holder 22 also can make rotating shaft part 20 and sleeve member 30 relative rotations, damage because of misoperation preventing, and this moment, stop block 222 can be avoided limiting stopper 12.

Described elastic element 40 is installed between rotating shaft part 20 and the sleeve member 30, and this elastic element 40 is a spring in the most preferred embodiment of the present utility model, and latch 321 is fastened in the draw-in groove 221.

See also Fig. 2 to Fig. 5, described pivot device 100 fixedly is hubbed at rotating shaft 20 on other element, Coupling 10 is fixed on the object, when downward pulling rotating shaft 21 or when upwards lifting Coupling 10, holder 22 is in second containing groove 332, and rotary sleeve fitting 10 is to required angle, unclamp rotating shaft 20 or Coupling 10, spring 40 is replaced holder 22 to first containing grooves 331, and this moment, draw-in groove 221 can engage with described holder 22, and also rotatable Coupling 10 is to required angle.The utility model pivot device 100 can be applicable to electronic product such as mobile phone, MP3 etc., also can be used for door and goes up its function of realization.

In sum, the latch 321 of the sleeve member 30 of the utility model pivot device 100 selectively is fastened in the draw-in groove 221 of holder 22 and rotating shaft part 20 can move to axial with sleeve member 30 and latch 321 is deviate from draw-in groove 221, can adjust the relative angle between rotating shaft part 20 and the sleeve member 30 thus easily, and sleeve member 30 and rotating shaft part 20 are moved to axial and latch 321 is fastened in another draw-in groove 221, so can limit the relative angle between positioning shaft external member 30 and the rotating shaft part 20 easily and reliably.

Claims

1. pivot device, comprise a rotating shaft part, a sleeve member and an elastic element, the rotating shaft part has a rotating shaft, offer a pivot hole on this sleeve member, described rotating shaft part pivot is placed in this pivot hole, it is characterized in that: be fixed with a holder in the rotating shaft, holder is provided with several draw-in grooves in a circumferential direction; Elastic element is installed between rotating shaft part and the sleeve member, and latch is fastened in the draw-in groove; Sleeve member can move to axial the ground pivot be placed on the rotating shaft part, described rotating shaft part can move to axial in this pivot hole, this sleeve member is provided with at least one latch, this latch one of selectively is fastened in the draw-in groove; Wherein, the rotating shaft part relatively sleeve member move axially and latch deviate from draw-in groove.

2. pivot device as claimed in claim 1 is characterized in that: offer one first containing groove and one second containing groove that are interconnected on the described sleeve member, described latch extend in this first containing groove.

3. pivot device as claimed in claim 2 is characterized in that: but stretch out the elastic arm of an elasticity activity on the cell wall of first containing groove of described sleeve member, protrude out on this elastic arm and form described latch.

4. pivot device as claimed in claim 2 is characterized in that: also comprise a Coupling, this Coupling offers a rotary shaft hole, and rotating shaft one end passes from rotary shaft hole, thereby sleeve member is fixed at this Coupling shutoff second containing groove on this Coupling.

5. pivot device as claimed in claim 4, it is characterized in that: described Coupling is provided with a limiting stopper, described holder one end is in and outwards convexes with two stop blocks on the circumferencial direction, wherein a stop block can be when the rotating shaft part turns clockwise backstop in the limiting stopper place, another stop block can be when the rotating shaft part be rotated counterclockwise backstop in the limiting stopper place.