CN201437818U - Pivot structure using flange to provide torsion - Google Patents

Abstract

A pivot structure using a flange to provide torque force can be arranged in an electronic device such as a notebook computer to open and close the electronic device. The pivot structure comprises a shaft rod, a first fixing piece and a second fixing piece, wherein the first fixing piece and the second fixing piece are pivoted on the shaft rod. The pivot structure utilizes the reaction force between the cam part of the first fixing piece and the first stopping part of the second fixing piece to increase the torsion between the first fixing piece and the second fixing piece.

Description

Pivot structure using flanges to provide torque

technical field

The utility model relates to a pivot structure, in particular to a pivot structure that uses a flange to provide torsion.

Background technique

In daily life, in order to open and close the foldable objects, a pivot structure is usually installed between the two objects. Most of the existing pivot structures are composed of a male shaft and a female shaft. The male shaft usually includes a connecting portion and a shaft, while the female shaft usually includes another connecting portion and a shaft barrel. Generally, the shaft rod of the male shaft is rotatably combined with the shaft cylinder of the female shaft, the connecting part of the male shaft is combined with a first object, and the connecting part of the female shaft is combined with a second object. Therefore, the first object can be rotated around the axis of the shaft, so that the first object and the second object can be opened and closed, so as to form the above-mentioned foldable object.

In practical applications, in order to make the relative positioning relationship between the male shaft and the female shaft, many positioning components such as shrapnels, gaskets, and friction plates are usually arranged on the shaft rod, which will cause the volume of the pivot structure to be insufficient. Further shrinkage will also increase the production cost and complicate assembly.

In addition, when the male shaft and the female shaft rotate relative to each other, these positioning components will rotate or deform elastically, which will easily cause the wear and elastic fatigue damage of the positioning components themselves. As long as one of the positioning components is damaged, it will shorten The service life of the pivot structure.

Utility model content

The purpose of this utility model is to provide a pivot structure that utilizes the flange to provide torsion. The pivot structure utilizes the reaction force between the cam part of the first fixing part and the first stopper part of the second fixing part to increase The torsional force between the first fixing part and the second fixing part.

In order to achieve the above purpose, the utility model provides a pivot structure using a flange to provide torsion, which is characterized in that it includes:

a shaft;

A first fixing part has again:

A cam part is pivotally connected to the shaft, and the outer edge of the cam part is provided with a flange side and a gradually convex side; and

A second fixing part has again:

a pivot portion pivotally connected to the shaft; and

a first stop part, used to abut against the flange side and the gradually convex side of the cam part, so as to exert a reaction force;

Wherein the first fixing part and the second fixing part are relatively rotated, so that the first stop part corresponds to the flange side from the gradually convex side in order to gradually increase the reaction force, thus increasing the first The torsional force between the fixing piece and the second fixing piece.

In the above-mentioned pivot structure using a flange to provide torsion, the second fixing part further has a second stopper, and the second stopper is used to abut against the side of the flange to increase the first fixing The torsional force between the piece and the second fixing piece.

In the above-mentioned pivot structure using the flange to provide torsion force, the side of the flange is arc-shaped.

In the aforementioned pivot structure using a flange to provide torsion, the flange side is a polygon formed by a plurality of fitting planes, and one of the fitting planes fits on the second stop portion.

In the above-mentioned pivot structure using a flange to provide torsion, the outer edge of the cam part further has a starting side, and there is a gap between the starting side and the first stop part, wherein the first fixing part and the The second fixing member is relatively rotated, so that the first stop portion corresponds to the flange side from the starting side, the gradually convex side in sequence.

In the aforementioned pivot structure using the flange to provide torsion, the shaft rod extends along a rotation axis, and the first fixing member and the second fixing member rotate around the rotation axis.

In the aforementioned pivot structure using the flange to provide torsion force, the cam portion extends perpendicular to the rotation axis.

In the above-mentioned pivot structure using the flange to provide torsion, the first fixing part has a first holding part, and the first holding part extends from the cam part and is used for fixing to a first object.

In the above-mentioned pivot structure using the flange to provide torsion force, the second fixing part has a second holding part, and the second holding part extends from the pivot joint and is used for fixing to a second object.

The above-mentioned pivot structure using the flange to provide torsion force further includes an elastic component, and the elastic component includes:

an elastic body wound around the shaft;

a first elastic end, extending from one end of the elastic body, and used to apply elastic restoring force to the first fixing member; and

A second elastic end extends from the other end of the elastic body, and is used for exerting an elastic restoring force on the second fixing member.

In the aforementioned pivot structure using the flange to provide torsion force, the elastic component is a spring.

In the above-mentioned pivot structure using a flange to provide torsion, the shaft rod has a restricting portion, and the elastic component is restricted between the restricting portion and the cam portion.

In the above-mentioned pivot structure using a flange to provide torsion, the first fixing member has a first holding portion, and the first elastic end exerts an elastic restoring force on the first holding portion.

In the above-mentioned pivot structure using the flange to provide torsion, the second fixing member has a second holding portion, and the second elastic end exerts an elastic restoring force on the second holding portion.

In the above-mentioned pivot structure using flanges to provide torsion force, the first fixing part is a metal plate part.

In the above-mentioned pivot structure using flanges to provide torsion force, the second fixing part is a metal plate part.

To sum up, the pivot structure of the present invention, which utilizes the flange to provide torsion force, can produce a pivot structure with torsion force with a small number of components, which can reduce the production cost and the complexity of assembly compared with the existing pivot structure. Spend. The utility model provides the torsion force between the first fixing part and the second fixing part by the counter force between the outer edge of the flat cam part and the first stop part, because the cam part and the first stop part The blocking parts are not easy to be damaged due to wear, thereby increasing the service life of the pivot structure. In addition, the utility model does not need to arrange numerous positioning components such as shrapnels, gaskets, and friction plates on the shaft, so the pivot structure will not be shortened because one of the positioning components is damaged as in the prior art service life.

In addition, the utility model also uses the elastic component to exert an elastic restoring force, and the elastic restoring force can be directly applied to the first holding part and the second holding part, which can provide a larger torsion force than the existing positioning component.

The utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the utility model.

Description of drawings

Fig. 1 is a perspective view of a pivot structure utilizing a flange to provide torsion in the utility model;

Fig. 2 is an exploded view of the pivot structure of the utility model;

Fig. 3 is a side sectional view of the pivot structure utilizing the flange to provide torsion in the utility model;

Fig. 4 is a view of the use state of the pivot structure utilizing the flange to provide torsion force of the present invention, wherein the first fixing member and the spring assembly are located at a second position; and

FIG. 5 is a view of the use state of the pivot structure using the flange to provide torsion force of the present invention, wherein the first fixing member and the spring assembly are in a third position.

Among them, reference signs

pivot structure 1

Shaft 100

Restricted Section 120

first fixing member 200

Cam part 210

Starting side 211

Convex side 212

Flange side 213

Fitting plane 2131

The first holding part 230

Second fixing member 300

Pivot 310

first stopper 320

Second stopper 330

Second holding part 340

Elastic component 400

Elastic body 410

The first elastic end 420

The second elastic end 430

Rotation axis AX1

first position P1

Second position P2

third position P3

Detailed ways

Below in conjunction with accompanying drawing, structural principle and working principle of the present utility model are specifically described:

The pivot structure of the utility model can be arranged in an electronic device such as a notebook computer to make the electronic device open, close and fold.

Please refer to FIG. 1 , which is a three-dimensional view of a pivot structure using a flange to provide torsion in the present invention. The pivot structure 1 includes a shaft 100 , a first fixing part 200 , a second fixing part 300 , and an elastic component 400 .

The first fixing part 200 and the second fixing part 300 are pivotally connected to the shaft 100 and can rotate relative to each other. The first fixing part 200 can be fixed to a first object (not shown, such as a notebook computer) upper cover), the second fixing member 300 can be fixed to a second object (not shown in the figure, such as the lower cover of a notebook computer), so the first object and the second object can be relatively opened and closed. The elastic component 400 provides an elastic restoring force between the first fixing part 200 and the second fixing part 300 .

Please refer to FIG. 2 , which is an exploded view of the pivot structure 1 of the present invention. The shaft 100 has a rotation axis AX1 and can extend along the rotation axis AX1. To save material cost, the shaft 100 can be a hollow cylinder. The shaft 100 may include a shaft body 110 and a restricting portion 120 . The restricting portion 120 is disposed at two ends of the shaft body 110 and protrudes outside the shaft body 110 .

The first fixing member 200 can be made by stamping and bending a metal plate, and can rotate around the rotation axis AX1. The first fixing member 200 includes a cam portion 210 and a first holding portion 230 . The cam portion 210 is pivotally connected to the shaft 100 , and the cam portion 210 may be a flat plate extending in a direction perpendicular to the rotation axis AX1 . The outer edge of the cam portion 210 has a starting side 211 , a gradually convex side 212 , and a flange side 213 . The first holding portion 230 extends from the cam portion 210 and is used for fixing to the first object.

The second fixing part 300 can be made by punching and bending a metal plate. The second fixing part 300 is pivotally connected to the shaft 100 and can rotate around the rotation axis AX1. The second fixing member 300 includes a pivot portion 310 , a first stop portion 320 , a second stop portion 330 , and a second holding portion 340 . The pivot portion 310 is pivotally connected to the shaft 100 . The first stop portion 320 can extend from the pivot portion 310 and can be perpendicular to the pivot portion 310 . The first stop portion is used to abut against the convex side 212 and the flange side 213 of the cam portion 210 to apply a reaction force to increase the torque between the first fixing member 200 and the second fixing member 300 .

The second stop portion 330 is used to abut against the flange side 213 , and the flange side 213 may be a polygon formed by a plurality of bonding planes 2131 , so when the first fixing member 200 is opposite to the second fixing member 300 When rotating, one of the fitting planes 2131 can fit against the second stopper 330 sequentially, so as to provide an auxiliary positioning function between the first fixing part 200 and the second fixing part 300, and increase the Torsion between the first fixing part 200 and the second fixing part 300 . In another embodiment, the flange side 213 has an arc shape, and when the first fixing member 200 and the second fixing member 300 rotate relative to each other, the flange side 213 abuts against the second stop portion 330 To generate a frictional force to increase the torque between the first fixing part 200 and the second fixing part 300 . The second holding portion 340 extends from the pivot portion 310 and is used for fixing to a second object.

The elastic component 400 can be a spring. The elastic component 400 may include an elastic body 410 , a first elastic end 420 , and a second elastic end 430 . The elastic body 410 is helically wound around the shaft 100 , and the elastic body 410 can be limited between the restricting portion 120 and the cam portion 210 of the first fixing member 200 . The first elastic end 420 is extended from one end of the elastic body 410 to be fixed, coupled or abutted against the first holding portion 230 , and used to apply elastic restoring force to the first holding portion 230 of the first fixing member 200 . The second elastic end 430 is extended from the other end of the elastic body 410 to be fixed, coupled or abutted against the second holding portion 340 , and is used to apply elastic restoring force to the second holding portion of the second fixing member 300 340.

Please also refer to FIG. 3 , which is a side sectional view of the pivot structure using the flange to provide torsion force of the present invention. In the figure, the first fixing member 200 and the elastic component 400 are at a first position P1. At this moment, the starting side 211 of the cam portion 210 is separated from the first stop portion 320 by a gap. A bonding plane 2131 of the flange side 213 is bonded to the second stop portion 330 .

The first elastic end 420 and the second elastic end 430 of the elastic component 400 are pressed in opposite directions, so the elastic restoring force of the first elastic end 420 and the second elastic end 430 is respectively stronger than that of the first fixing member 200 and the second fixing part 300 to increase the torque between the first fixing part 200 and the second fixing part 300, so that the first fixing part 200 and the second fixing part 300 can have a relative positioning relationship .

Please also refer to FIG. 3, FIG. 4 and FIG. 5. In FIG. 4, the first fixing member 200 and the elastic component 400 are at a second position P2. 400 is located at a third position P3. The first fixing part 200 and the second fixing part 300 rotate relative to each other, so that the first fixing part 200 and the elastic component 400 sequentially go from the first position P1 , the second position P2 to the third position P3 . At this time, the first stop portion 320 corresponds to the flange side 213 from the starting side 211 , the gradually convex side 212 in sequence.

In FIG. 4 , the gradually convex side 212 is separated from the first stop portion 320 by the gap from the first position P1 to the second position P2, and the gradually convex side 212 gradually touches the first stop portion. 320 , and gradually increase the reaction force between the gradually convex side 212 and the first stop portion 320 . A bonding plane 2131 of the flange side 213 also abuts against the second stop portion 330 .

In FIG. 5 , the flange side 213 is in contact with the first stop portion 320 , and the elastic component 400 is in a relaxed state, so no elasticity will be produced on the first fixing member 200 and the second fixing member 300 Resilience.

To sum up, the pivot structure 1 using the flange to provide torsion force of the present invention can produce the pivot structure 1 with torsion force with a small number of components, which can reduce production cost and assembly compared with the existing pivot structure 1 time complexity. The utility model uses the reaction force between the outer edge of the flat cam portion 210 and the first stopper portion 320 to provide the torque between the first fixing part 200 and the second fixing part 300, because the cam part 210 and the second fixing part 300 The space between the first stop portions 320 is not easy to be damaged due to wear, thereby increasing the service life of the pivot structure 1 . In addition, the utility model does not need to arrange numerous positioning components such as shrapnels, gaskets, and friction plates on the shaft 100, so it will not be damaged by one of these positioning components as in the prior art, thereby shortening the pivot Service life of Structure 1.

In addition, the utility model also uses an elastic component 400 to exert an elastic restoring force, which can be directly applied to the first holding part 230 and the second holding part 340, which can provide greater torque.

Of course, the utility model can also have other various embodiments, and those skilled in the art can make various corresponding changes and deformations according to the utility model without departing from the spirit and essence of the utility model, but These corresponding changes and deformations should all belong to the protection scope of the appended claims of the present utility model.

Claims (16)

1. a pivot structure that utilizes flange that torsion is provided is characterized in that, comprises:

One axostylus axostyle;

One first fixed block has again:

One cam part is articulated in this axostylus axostyle, and the outer rim of this cam part is provided with a flange side, a gradually protruding side; And

One second fixed block has again:

One pin-joint part is articulated in this axostylus axostyle; And

One first blocked part is in order to the flange side of replacing this cam part and protruding side gradually, to apply a reaction force;

Wherein second fixed block is relative rotates with this for this first fixed block, so that this first blocked part corresponds to this flange side by this gradually protruding side in regular turn, to increase this reaction force gradually, increases the torsion between this first fixed block and this second fixed block for this reason.

2. the pivot structure that utilizes flange that torsion is provided according to claim 1, it is characterized in that, this second fixed block also further has one second blocked part, and this second blocked part is in order to replace this flange side, to increase the torsion between this first fixed block and this second fixed block.

3. the pivot structure that utilizes flange that torsion is provided according to claim 2 is characterized in that, this flange side is a circular arc type.

4. the pivot structure that utilizes flange that torsion is provided according to claim 2 is characterized in that, this flange side is the polygonal that a plurality of applyings plane is formed, and one of those applying planes fit in this second blocked part.

5. the pivot structure that utilizes flange that torsion is provided according to claim 1, it is characterized in that, the outer rim of cam part further has an origination side, one gap, interval between this origination side and this first blocked part, wherein second fixed block is relative rotates with this for this first fixed block, so that this first blocked part corresponds to this flange side by this origination side, this gradually protruding side in regular turn.

6. the pivot structure that utilizes flange that torsion is provided according to claim 1 is characterized in that this axostylus axostyle extends along a running shaft, and this first fixed block and this second fixed block are the axle center rotation with this running shaft.

7. the pivot structure that utilizes flange that torsion is provided according to claim 6 is characterized in that, this cam part is to extend perpendicular to this running shaft.

8. the pivot structure that utilizes flange that torsion is provided according to claim 1 is characterized in that, this first fixed block has one first fixed part, and this first fixed part is extended by this cam part, and in order to be fixed in one first object.

9. the pivot structure that utilizes flange that torsion is provided according to claim 1 is characterized in that, this second fixed block has one second fixed part, and this second fixed part is extended by this pin-joint part, and in order to be fixed in one second object.

10. the pivot structure that utilizes flange that torsion is provided according to claim 1 is characterized in that, also further comprises an elastic component, and this elastic component comprises:

One elastic body is set around this axostylus axostyle;

One first elastic force end is extended by this elastic body's a end, and in order to apply elastic restoring force in this first fixed block; And

One second elastic force end is extended by this elastic body's the other end, and in order to apply elastic restoring force in this second fixed block.

11. the pivot structure that utilizes flange that torsion is provided according to claim 10 is characterized in that, this elastic component is a spring.

12. the pivot structure that utilizes flange that torsion is provided according to claim 10 is characterized in that this axostylus axostyle has a limitation part, this elastic component is limited between this limitation part and this cam part.

13. the pivot structure that utilizes flange that torsion is provided according to claim 10 is characterized in that, this first fixed block has one first fixed part, and this first elastic force end applies elastic restoring force in this first fixed part.

14. the pivot structure that utilizes flange that torsion is provided according to claim 10 is characterized in that, this second fixed block has one second fixed part, and this second elastic force end applies elastic restoring force in this second fixed part.

15. the pivot structure that utilizes flange that torsion is provided according to claim 1 is characterized in that, this first fixed block is a metal sheet.

16. the pivot structure that utilizes flange that torsion is provided according to claim 1 is characterized in that, this second fixed block is a metal sheet.

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