CN206988276U - A kind of pivot device - Google Patents

Abstract

The utility model discloses a kind of pivot device, including rotating shaft, the first connector and the second connector for being arranged in the rotating shaft and mutually rotating, the rotating shaft outer peripheral face at least locally cave inward into non-disc, remaining outer peripheral face is the face of cylinder, first connector is connected with the axis of rotation, the pivot device also includes adjusting the pivot device opening, power-assisted is provided during closure, the linkage of resistance, because the utility model uses linkage to provide power-assisted or resistance when deploying or closing screen, it instead of existing Cam gasket structure, in the case that pivot device has certain loosen, enough power-assisteds or resistance can be also provided.

Description

A kind of pivot device

Technical field

Notebook computer accessories field is the utility model is related to, particularly a kind of pivot device.

Background technology

Usual notebook computer screen has certain power-assisted or resistance when deploying or closing screen, the usual part Power-assisted or resistance are made up of two cams to be cooperated in pivot device and multiple spring shims, still, are used in long-time When pivot device easily loosen, cam also easily wears, and causes the loosening of notebook screens, and power-assisted or the decrease of resistance Or disappear, so as to have impact on the use of notebook.

Therefore, a kind of longer pivot device of service life is needed at present.

The content of the invention

The purpose of this utility model is to provide a kind of longer pivot device of service life.

To reach above-mentioned purpose, the technical solution adopted in the utility model is：

A kind of pivot device, including rotating shaft, the first connector for being arranged in the rotating shaft and mutually rotating and second connect Fitting, the rotating shaft outer peripheral face at least locally cave inward into non-disc, remaining outer peripheral face is the face of cylinder, described first Connector is connected with the axis of rotation, and the pivot device, which also includes adjusting when the pivot device opens, closed, provides power-assisted, resistance The linkage of power, the linkage include the first bar that one end is arranged in the rotating shaft and coordinates with the non-disc, The second bar that the other end of one end and first bar is rotatablely connected, and one end and the other end of second bar are rotatablely connected The 3rd bar, the middle part of the 3rd bar rotates with first connector to be connected.

Preferably, second bar is bent curved to the rotor shaft direction.

Preferably, the other end of the 3rd bar extends the convex portion that convex is presented to both sides.

Preferably, first connector includes the first rotation section for being connected respectively with the axis of rotation of one end and the Two rotation sections, first rotation section are mutually fixedly connected with the other end of the second rotation section.

It is further preferred that the pivot device also includes being arranged in the rotating shaft in first rotation section along described turn The damping unit of damping force is provided when axle rotates.

It is further preferred that the damping unit include be engaged with the non-disc the first friction shim, with it is described The second friction shim, spring shim and the fixing nut of axis of rotation connection, first friction shim and second friction Pad is disposed adjacent, and has the pin for being fastened on first rotation section, the fixed spiral shell on second friction shim The spring shim, first friction shim and second friction shim are compressed setting by mother successively.

It is further preferred that limitation second rotation section that the pivot device also includes being arranged in the rotating shaft rotates The limit assembly of angle.

It is further preferred that the limit assembly includes the locating ring being fixedly installed in the rotating shaft and fixation is located at institute The locating piece on the second rotation section is stated, the locating ring is disposed adjacent with second rotation section, is had on the locating ring and is supplied The short slot that the locating piece slides, the two side walls of the grooving are to limit the confined planes that the locating piece slides.

Preferably, the second connector is mutually fixedly connected with the rotating shaft.

Because above-mentioned technical proposal is used, the utility model has following advantages compared with prior art：

Because the utility model uses linkage to provide power-assisted or resistance when deploying or closing screen, instead of Existing Cam gasket structure, in the case that pivot device has certain loosen, it can also provide enough power-assisteds or resistance.

Brief description of the drawings

Accompanying drawing 1 is schematic diagram of the present utility model；

Accompanying drawing 2 is decomposing schematic representation of the present utility model.

In the figures above：1st, rotating shaft；11st, non-disc；12nd, the face of cylinder；2nd, the first connector；21st, the first rotation section；22、 Second rotation section；3rd, the second connector；41st, the first bar；42nd, the second bar；43rd, the 3rd bar；44th, convex portion；51st, the first friction pad Piece；52nd, the second friction shim；53rd, spring shim；54th, fixing nut；61st, locating ring；62nd, locating piece.

Embodiment

Shown embodiment is further described to the utility model below in conjunction with the accompanying drawings：

Embodiment one：Referring to shown in accompanying drawing 1, a kind of pivot device, including rotating shaft 1, be arranged in rotating shaft 1 and mutually rotate The first connector 2 and the second connector 3, rotating shaft 1 outer peripheral face at least locally cave inward into non-disc 11, it is besides Side face is the face of cylinder 12, and the first connector 2 is rotatablely connected with rotating shaft 1, and the second connector 3 is fixedly connected with the phase of rotating shaft 1, pivot device Also include providing power-assisted, the linkage of resistance when regulation pivot device opens, closed, linkage is arranged on rotating shaft including one end The second bar 42, Yi Jiyi that the other end of the first bar 41, one end and the first bar 41 that coordinate on 1 and with non-disc 11 is rotatablely connected The 3rd bar 43 that the other end of end and the second bar 42 is rotatablely connected, the middle part of the 3rd bar 43 rotates with the first connector 2 and is connected. Wherein the first bar 41, the second bar 42, the 3rd bar 43 and the first connector 2 composition quadric chain.

Second bar 42 is curved to the bending of the direction of rotating shaft 1, can avoid rotating shaft 1 in 42 rotations of the second bar, increasing it can With the angle of rotation.

The other end of 3rd bar 43 extends the convex portion 44 that convex is presented to both sides, and convex portion 44 can use elastic component（Bullet Spring etc.）It is connected with notebook computer, reset force is provided for pivot device, in the case of having certain loosen even in pivot device, Enough power-assisteds or resistance can be also provided.

First connector 2 includes the first rotation section 21 and the second rotation section 22 that one end is rotatablely connected with rotating shaft 1 respectively, First rotation section 21 is mutually fixedly connected with the other end of the second rotation section 22.

Pivot device also includes being arranged on the resistance for providing damping force in rotating shaft 1 when the first rotation section 21 rotates along rotating shaft 1 Buddhist nun's device.The second friction that damping unit includes the first friction shim 51 being engaged with non-disc 11 and rotating shaft 1 is rotatablely connected Pad 52, spring shim 53 and fixing nut 54, the first friction shim 51 is provided with two panels and is separately positioned in the present embodiment The both sides of two friction shims 52, and there is the pin for being fastened on the first rotation section 21, fixing nut on the second friction shim 52 Spring shim 53, the first friction shim 51 and the second friction shim 52 are compressed setting by 54 simultaneously.

Pivot device also includes the limit assembly for the rotational angle of the second rotation section of limitation 22 being arranged in rotating shaft 1.Spacing group Part includes the locating ring 61 being fixedly installed in rotating shaft 1 and the fixed locating piece 62 being located on the second rotation section 22, locating ring 61 It is disposed adjacent with the second rotation section 22, there is the short slot slided for locating piece 62 on locating ring 61, the two side walls of grooving is limited The confined planes that locating piece 62 processed slides.

For above-described embodiment only to illustrate technical concepts and features of the present utility model, its object is to allow be familiar with technique Personage can understand content of the present utility model and implement according to this, the scope of protection of the utility model can not be limited with this. All equivalent change or modifications made according to the utility model Spirit Essence, should all cover the scope of protection of the utility model it It is interior.

Claims (9)

1. a kind of pivot device, including rotating shaft, the first connector for being arranged in the rotating shaft and mutually rotating and the second connection Part, it is characterised in that：The rotating shaft outer peripheral face at least locally cave inward into non-disc, remaining outer peripheral face is cylinder Face, first connector are connected with the axis of rotation, when the pivot device also includes adjusting the pivot device opening, closure Power-assisted, the linkage of resistance are provided, the linkage is arranged in the rotating shaft including one end and matched somebody with somebody with the non-disc The second bar that the first bar, the other end of one end and first bar closed is rotatablely connected, and one end and second bar are another 3rd bar of one end rotation connection, the middle part of the 3rd bar rotates with first connector to be connected.

A kind of 2. pivot device according to claim 1, it is characterised in that：Second bar is bent to the rotor shaft direction Arc.

A kind of 3. pivot device according to claim 1, it is characterised in that：The other end of 3rd bar extends to both sides The convex portion of existing convex.

A kind of 4. pivot device according to claim 1, it is characterised in that：First connector include one end respectively with The first rotation section and the second rotation section of the axis of rotation connection, the other end of first rotation section and the second rotation section Mutually it is fixedly connected.

A kind of 5. pivot device according to claim 4, it is characterised in that：The pivot device also includes being arranged on the rotating shaft On when first rotation section is along the axis of rotation provide damping force damping unit.

A kind of 6. pivot device according to claim 5, it is characterised in that：The damping unit includes and the non-disc phase The first friction shim coordinated, the second friction shim, spring shim and the fixing nut that are connected with the axis of rotation, described the One friction shim and second friction shim are disposed adjacent, and are had on second friction shim and be fastened on described first The pin of rotation section, the fixing nut by the spring shim, first friction shim and second friction shim according to Secondary compress is set.

A kind of 7. pivot device according to claim 4, it is characterised in that：The pivot device also includes being arranged on the rotating shaft On limitation second rotation section rotational angle limit assembly.

A kind of 8. pivot device according to claim 7, it is characterised in that：The limit assembly is described including being fixedly installed on Locating ring and the fixed locating piece being located on second rotation section, the locating ring and second rotation section phase in rotating shaft Neighbour is set, described fixed to limit with the short slot slided for the locating piece, the two side walls of the short slot on the locating ring The confined planes that position block slides.

A kind of 9. pivot device according to claim 1, it is characterised in that：Mutually fixation connects second connector with the rotating shaft Connect.