KR100541321B1 - torque variable hinge apparatus - Google Patents

Abstract

The present invention relates to a hinge device, and more particularly, to a torque variable hinge that can adjust the torque by adjusting the position of the shaft of the hinge, and can prevent breakage of the hinge.

Torque variable hinge according to the invention the first member; And a second member capable of moving differently from the first member; a friction force adjusting unit having a different internal diameter to be inserted into the second member to adjust a frictional force, wherein the frictional force adjusting unit and the first member are included. A shaft inserted into the member; is included.

By the torque variable hinge according to the present invention constituting the above configuration, the torque can be adjusted so that the hinge by the same configuration can be used in various devices. In addition, the curling cam can be easily separated during the curling process, thereby preventing scratches inside the curling. In addition, brittleness of the friction force adjusting unit may be prevented by processing the chamfering portion of the burr generating unit and the axial friction surface of the friction force adjusting unit.

Hinge Device, Friction Control, Shaft

Description

Torque variable hinge apparatus

1 is an exploded perspective view of a variable torque hinge according to the spirit of the present invention.

2 is a vertical sectional view of a second member of the torque variable hinge;

3 is a combined perspective view of the variable torque hinge according to the invention.

4 is a perspective view showing a second embodiment in which two torque variable hinges are symmetrically fastened according to the present invention;

5 is a perspective view showing a third embodiment of a variable torque hinge according to the spirit of the present invention.

6 is a perspective view showing a fourth embodiment of the variable torque hinge according to the spirit of the present invention.

7 is a vertical cross-sectional view of the friction force adjusting unit according to the fourth embodiment.

<Description of the symbols for the main parts of the drawings>

100: first member 200: shaft

300: frictional force adjustment unit 302: front circumference

303: rear circumference 321: fixing protrusion

322: departure preventing projection 400: second member

The present invention relates to a hinge, and more particularly, to a torque variable hinge that can adjust the position of the shaft of the hinge is further adjusted to the torque, and can prevent the breakage of the hinge.

In general household goods, a plurality of hinge devices are employed in order to be able to move with up and down or left and right day freedom. For example, in a state in which the weight of the LCD monitor is supported, a hinge may be applied between the rear surface of the LCD monitor and a predetermined support so that the position of the monitor in the up, down, left and right directions is conveniently adjusted.

This conventional hinge device is composed of a first member and a second member, and a shaft connected to the first member and the second member. Then, the first member is fastened to the rotating article and the second member is fastened to the fixed article, respectively, to perform relative rotational movements of the rotating article and the fixed article about the shaft. For example, the rotating article may be illustrated by an LCD monitor, and the fixed article may be illustrated by the strut portion. In addition, the hinge device may be interposed between the LCD monitor and the holding unit so that the LCD monitor moves up and down while the self-weight of the LCD monitor is supported.

However, the conventional hinge device has a problem in that the torque is kept constant in the state in which the manufacture of the hinge device is completed, and thus it is not applicable to a portion requiring variable torque. For example, after the manufacture of the hinge to a specific size and / or shape for the torque applied as a design factor is completed, it can be applied only to the corresponding article, there was a disadvantage that can not be applied to other articles. Therefore, when a different amount of torque needs to be applied as a design factor, there is a problem that the shape of the hinge needs to be changed.

In addition, the hinge was frequently damaged due to various shocks generated during operation of the hinge.

The present invention has been proposed to solve the above problems, and an object of the present invention is to propose a torque adjusting hinge device in which a predetermined structure for adjusting torque is formed.

In addition, an object of the present invention is to propose a torque adjustment hinge device that can suppress the breakage of the hinge due to brittleness of the metal material forming the material of the hinge. Furthermore, it aims at suggesting the torque adjustment hinge apparatus which can improve the convenience store on assembly of a hinge.

It is also an object of the present invention to provide a torque variable hinge that can prevent the occurrence of brittleness by burrs.

Torque variable hinge according to the present invention for achieving the object as described above, the first member; and the second member that can move differently from the first member; and the first member and / or the second member A shaft in contact with a predetermined portion to generate a frictional force; And a frictional force adjusting unit fitted to the first member or the second member in a state in which at least one portion is in contact with the shaft, and the surface pressure applied to the shaft according to the degree of fitting of the shaft.

By the torque variable hinge according to the present invention having the above configuration, the torque can be adjusted, the hinge by the same configuration can be used in various devices.

In addition, the curling cam is easily removed during the curling process has the effect of preventing scratches in the curling.

In addition, through the chamfering of the burr generating portion and the processing of the axial friction surface of the friction force adjusting portion there is an effect that brittleness of the friction force adjusting portion can be prevented.

Hereinafter, specific embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, the spirit of the present invention is not limited to the embodiments presented, and other embodiments included within the scope of the inventive concept and other inventions can be easily added by adding, changing, or deleting other elements. I can suggest.

<First Embodiment>

1 to 3 are diagrams illustrating a first embodiment according to the spirit of the present invention.

1 is an exploded perspective view of a variable torque hinge according to the spirit of the present invention.

Referring to FIG. 1, the variable torque hinge according to the present invention (see 10 in FIG. 3) is fixed relative to the first member 100 and the first member 100, which is fastened to the rotating article. It includes a second member 400 is fastened to. In addition, the friction force adjusting unit 300 is inserted into the second member 400 to allow torque adjustment, and the shaft 200 is inserted into the friction force adjusting unit 300 and the first member 100. By way of example, the rotatable article may be a flat image panel and the stationary article may be a strut. However, the first member 100 may be fastened to the fixed article, or the second member 400 may be fastened to the pivotal article. In other words, within the range in which a predetermined hinge movement is possible between the first member 100 and the second member 400 by the shaft 200, the first member 100 and the second member 400 may be formed. It shall not be a limiting element that the rotating article be fixed on either side. Hereinafter, for convenience of description, the first member 100 will be fixed to the rotating article, and the second member 400 will be described by way of example.

Hereinafter, the shape and configuration of the components shown will be described in detail.

The first member 100 has a rotating article fastening hole 101 for fastening the first member 100 to the rotating article, and a first shaft insertion hole 110 for inserting the shaft 200. This includes. And, the angle adjusting groove 102 for adjusting the rotation angle of the torque variable hinge (see 10 of Figure 3) within a predetermined range is included.

In more detail, the shape of the first shaft insertion hole 110 may be substantially the same as the first member insertion portion of the shaft 200 within a performance range for the purpose of forcibly inserting the shaft 200. Note that it may be different.

In addition, the second member 400, the second member fastening hole 401 for fastening the second member 400 to the fixed article and the friction force adjusting unit 300 is inserted into the second A fixing groove 410 is included to prevent rotation about the member 400.

In addition, the frictional force adjusting unit 300 includes a separation prevention groove 411 for preventing the separation from being inserted again, and the frictional force adjusting unit insertion hole 420 for inserting the frictional force adjusting unit 300 is included. .

On the other hand, the friction force adjusting unit 300 includes an axial friction surface 301 to directly contact the shaft to cause friction, and a second shaft insertion hole 310 for inserting the shaft.

In addition, the front circumferential portion 302 positioned on the front surface of the friction force adjusting unit 300 to contact the first member 100 to cause friction, and the rear surface of the friction force adjusting unit 300 to change torque. A rear circumferential portion 303 smaller in diameter than the front circumferential portion 302 is included in order to be possible.

In addition, the angle adjusting projection formed on the front circumferential portion 302 to be inserted into the angle adjusting groove 102 to adjust the rotation angle of the torque variable hinge (see 10 in FIG. 3) within a predetermined range ( 305).

In addition, at least one control part groove 306 may be included on the friction force adjusting part 300 as necessary. At this time, whether or not the number and the number of the adjusting unit grooves 306 can be determined by the need for adjustment of the fine torque or the like.

In addition, an upper protrusion 320 for preventing rotation of the friction force adjusting unit 300 with respect to the second member 400 is included.

In more detail, the upper protrusion 320 has a fixing protrusion 321 for fixing the friction force adjusting unit 300 is inserted into the second member 400 and the friction force adjusting unit 300 is the second protrusion. After the insertion is inserted into the member 400, a departure preventing protrusion 322 is included to prevent separation.

Here, the release preventing protrusion 322 may be included as needed in the plural to prevent the separation of the friction force control unit 300.

Meanwhile, the shaft 200 includes a first member inserting portion 210 inserted into the first shaft inserting hole 110 and a friction force adjusting inserting portion 220 inserted into the second shaft inserting hole 310. Included.

In addition, at least one oil groove 221 may be included on the friction force adjusting unit insertion part 220 as necessary. At this time, whether or not to include the oil groove 221 and the number, etc. It can be determined that the need for lubrication or the need for cooling the friction heat.

Hereinafter, with reference to the configuration and shape of the torque variable hinge of the present invention as described above, the operation of the torque variable hinge of the present invention will be described.

First, the friction force adjusting unit insertion part 220 of the shaft 200 is forcibly inserted into the second shaft insertion hole 301 of the friction force adjusting unit 300 by an external force. Here, the diameter of the friction force adjusting unit inserting portion 220 is shaped to be the same as the diameter of the second shaft insertion hole 310, the predetermined contact surface between the shaft 200 and the shaft friction surface 301 Friction force is generated as a braking force.

At this time, the oil contained in the oil groove 221 has a predetermined lubrication action and cooling action of heat by friction.

On the other hand, the friction force control unit 300 is inserted into the shaft 200 is inserted into the friction force control unit insertion hole 420 of the second member (400). Here, the diameter of the front circumferential portion 302 and the diameter of the rear circumferential portion 303 of the friction force adjusting unit 300 are the same as the front diameter and the rear diameter of the friction force adjusting unit insertion hole 420, respectively. Shaped, the friction force control unit 300 is completely inserted into the friction force control unit insertion hole 420.

Then, the fixing protrusion 321 on the upper protrusion 320 of the friction force adjusting unit 300 is fixed to the fixing groove 410 of the second member 400 so that the friction force adjusting unit 300 is fixed to the second. It is fixed to the inside of the member 400.

In addition, after the friction force adjusting unit 300 is fixed, the release preventing protrusion 322 is in close contact with the inner wall of the release preventing groove 411 by its elasticity, and the friction force adjusting unit 300 is again. It is possible to prevent the departure.

This can be seen more clearly with reference to FIG. 2, which shows a vertical cross-sectional view of the second member 400.

2 is a vertical sectional view of a second member of the torque variable hinge.

2, the area of the separation preventing groove 411 is smaller than the area of the fixing groove 410, so that the insertion of the fixing protrusion 321 is made only in the fixing groove 410, and thus the friction force adjusting unit. Fixing of 300 is made.

In addition, after the friction force adjusting unit 300 and the second member 400 are coupled, an external force using a striking member (for example, a hammer) is applied to the second member 400 to increase the reliability of the coupling. Can be increased.

Meanwhile, the first member insertion part 210 of the shaft 200 is inserted into the first shaft insertion hole 110 inside the first member 100. Here, the first member insertion portion 210 has a sawtooth shape along the circumference, and rotates the first member 100 of the shaft 200 after being inserted into the first shaft insertion hole 110. You can prevent it.

In addition, the length of the first member inserting portion 210 is formed to be shorter than the length of the first shaft insertion hole 110, the shaft 200 by the external force inside the first shaft insertion hole 110. It becomes movable left and right.

In detail, the shape, length, etc. of the first member insertion portion 210 are not limited to the embodiment of the present invention, and the rotation of the shaft 200 with respect to the first member 100 is prevented and at the same time the first member. It will be appreciated that various ways in which the shaft 200 can be moved within the shaft insertion hole 110 can be proposed.

3 is a combined perspective view of a variable torque hinge according to the present invention.

Referring to FIG. 3, a friction force adjusting member 500 necessary to change the torque of the variable torque hinge 10 to a required value is included.

The first member 100 is coupled to the rotating article by the first member fastening hole 101, the second member 400 is coupled to the fixed article by the second member 401, respectively, the torque variable The hinge 10 is mounted between the rotating article and the fixed article.

The required torque value may be obtained by the friction force generated at the contact surface between the shaft 200 and the axial friction surface 301 of the friction force adjusting unit 300.

When the user of the product equipped with the torque variable hinge 10 rotates the rotating article, if a torque value larger than the current torque value is required, the torque adjusting member 500 may be moved to the first shaft insertion hole ( 110).

Then, when an external force is applied to the torque adjusting member 500 using a striking member (not shown), the shaft 200 is inserted more deeply in the direction of the rear circumference 303 of the friction force adjusting unit 300. Will be. At this time, it is possible to know the amount of torque to be adjusted as the control unit hole 306 is present, it is possible to adjust the fine torque, the curling process becomes easy.

Then, since the diameter of the rear circumferential portion 303 is smaller than the diameter of the front nuclear power plant 302, the adhesion between the shaft 200 and the friction force adjusting unit 300 is increased. Therefore, the friction force between the shaft 200 and the axial friction surface 301 is increased to obtain a torque value as designed.

Conversely, if a torque value smaller than the current torque value is required, the torque adjusting member 500 is inserted into the second shaft insertion hole 310.

In addition, when an external force is applied to the torque adjusting member 500 using a hammer (not shown), the shaft 200 is transferred in the direction of the first shaft insertion hole 110.

Then, not only the adhesion between the shaft 200 and the friction force adjusting unit 300 is lowered by the shape of the friction force adjusting unit 300 as described above, but also the shaft 200 and the axial friction surface ( The contact between the 301 is lowered so that the required torque value can be obtained.

Second Embodiment

In the first embodiment, a single number of the first member 100 and the second member 400 is used. By such a configuration, the purpose of adjusting the torque to be achieved by the present invention can be achieved to some extent. However, in the above configuration, the reliability of the torque variable hinge 10 may be a problem due to the torque generated by the load applied to the first member 100.

In addition, since the friction force adjusting unit 300 is used in the singular, there is a problem that the magnitude of the required friction force is not easily generated.

4 is a perspective view showing a second embodiment in which a plurality of torque variable hinges according to the present invention are used.

In this embodiment, in order to solve the above problems, the invention is composed of a single number of second members and a plurality of first members to improve the reliability of the torque variable hinge and to easily generate the required frictional force. .

Referring to FIG. 4, the variable torque hinge 10 includes a plurality of first members 100 fastened to a rotating article and a plurality of second members 400 fastened to a fixed article. In addition, the shaft 200 and the friction force adjusting unit 300 are included.

In detail, the second member 400 used in the present embodiment has a shape in which an upper side portion including the second member fastening hole 401 is extended. In addition, the friction force adjusting unit insertion hole 420, the fixing groove 410, and the release preventing groove 411 are formed under the upper side in a symmetrical plurality.

In addition, the shape of other members other than the said 2nd member 400 is the same as that of 1st Embodiment.

Under the above configuration, each of the shaft 200 and the friction force adjusting unit 300 is inserted into each of the friction force adjusting unit insertion holes 420. Then, each of the first members 100 is fastened.

As described above, the friction force between the shaft 200 and the friction force adjusting unit 300 may be increased by the shape of the torque variable hinge 10. In addition, the durability of the torque variable hinge 10 due to the vertical strength and torque in the direction of the shaft 200 is increased, thereby increasing the reliability of the torque variable hinge 10.

Here, the shape and the like of the second member 400 is not limited to the embodiment of the present invention, it turns out that various ways that the reliability of the torque variable hinge 10 can be increased can be proposed.

Third Embodiment

In the friction force adjusting unit 300 applied in the above embodiments, burrs are generated in the front circumferential portion 302 and the rear circumferential portion 303 by general processing. In addition, the generated burr may be a cause of cracking of the friction force adjusting unit 300.

5 is a perspective view showing a third embodiment of a variable torque hinge according to the spirit of the present invention.

In this embodiment, in order to solve the above problems, the front circumferential portion 302 and the rear circumferential portion 303 may be chamfered to remove the burrs causing brittleness.

Referring to FIG. 5, the frictional force adjusting unit 300 includes the front circumference 302 and the rear circumference 303.

Burrs may be generated in the front circumference 302 and the rear circumference 303 when the friction force adjusting unit 300 is processed. Such burrs become notches and cause brittleness of the friction force adjusting unit 300. Therefore, burrs generated during processing are preferably removed in view of product reliability.

The front circumference 302 and the rear circumference 303 may be chamfered (aka chamfered), and the burr may be removed by the chamfering. The shape in which the chamfering was performed is shown in FIG.

By the chamfering as described above, cracking of the frictional force adjusting unit 300 due to brittleness caused by burrs generated during processing of the frictional force adjusting unit 300 may be prevented.

Fourth Example

In general, during the operation of the hinge, frictional heat is generated on the sliding surface. Such frictional heat causes wear and deformation of the member, which adversely affects the reliability of the product.

6 is a perspective view showing a fourth embodiment of a variable torque hinge according to the spirit of the present invention, Figure 7 is a vertical cross-sectional view of the friction force control unit according to the fourth embodiment.

In this embodiment, the friction force adjusting unit 300 is configured to cool the frictional heat generated during the operation of the torque variable hinge 10 is to prevent deformation due to the frictional heat.

6 and 7, a plurality of oil grooves 304 may be processed on the axial friction surface 301 of the friction force adjusting unit 300.

Heat generated by the friction between the axial friction surface 301 and the shaft 200 by the oil contained in the oil groove 304 is cooled, and is caused by the heat of the friction force adjusting unit 300. Deformation can be prevented. In addition, when the friction force adjusting unit 300 operates, lubrication may also be performed by the oil.

In addition, as the groove of the oil groove 304 is reduced during the curling process of the friction force adjusting unit 300, the shape of the axial friction surface 301 becomes a perfect circle. And, by the formation of the garden, the surface pressure on the axial friction surface 301 is uniformly distributed so that the deformation of the friction force adjusting unit 300 can be prevented.

At this time, the oil groove 304 is processed only inside the axial friction surface 301 so as not to contact the front circumference 302 and the rear circumference 303. In addition, the notch may be prevented by the above processing to prevent the friction force adjusting unit 300 from being broken.

By the torque variable hinge according to the present invention constituting the above configuration, the torque can be adjusted so that the hinge by the same configuration can be used in various devices.

In addition, the curling cam is easily removed during the curling process has the effect of preventing scratches in the curling.

In addition, through the chamfering of the burr generating portion and the processing of the axial friction surface of the friction force adjusting portion there is an effect that brittleness of the friction force adjusting portion can be prevented.

Claims (13)

A first member; A second member movable differently from the first member; A shaft in which a frictional force is generated by contacting the first member and / or the second member with a predetermined portion; And The variable torque hinge is included in the first member or the second member in a state in which at least one portion is in contact with the shaft, the frictional force adjusting portion for varying the surface pressure applied to the shaft in accordance with the fitting degree of the shaft. The method of claim 1, And the first member and / or the second member have an internal shape consisting of a concave portion and a convex portion to enable the shaft to move in the axial direction. The method of claim 1, The friction force adjusting unit is a variable torque hinge of different diameters. The method of claim 1, Torque variable hinge, wherein the friction force adjusting portion includes a rib on the top. The method of claim 1, And the shaft has an outer shape of irregularities so as to be able to move in the axial direction inside the first member and / or the second member. The method of claim 1, The friction force adjusting unit includes a rib at an upper portion of the variable torque hinge includes a fixing projection for fitting to the first member or the second member on the rib. The method of claim 1, The first member or the second member is a variable torque hinge includes a fixing groove to which the friction force adjusting portion is fitted. The method of claim 1, The friction force adjusting part includes a rib at an upper portion thereof, and a torque varying hinge including a release preventing protrusion for preventing the separation from the first member or the second member on the rib. The method of claim 1, The first member or the second member is a variable torque hinge that includes a separation prevention groove for preventing the separation of the friction force control unit. The method of claim 1, After the friction force adjustment unit is fitted, the variable torque hinge is increased by the external force of the striking member. The method of claim 1, The friction force adjusting unit is a variable torque hinge chamfered both ends. The method of claim 1, The friction force adjusting unit is a variable torque hinge that includes at least one oil groove on the friction surface with the shaft. The method of claim 1, The friction force adjusting unit is a variable torque hinge includes at least one oil groove formed on the inner side of both ends.

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