KR101340366B1 - Hinge assembly for electronic goods and electronic goods having the same - Google Patents

Abstract

The present invention is a product body is fixed, the rotating fixing portion having a first coupling end concave at the end; A rotation shaft part fitted to the first coupling end to be rotatable to form a rotation axis; One end is formed to be convex so as to engage with the first coupling end, is installed to make a plurality of surface contact to the rotating shaft portion, and flows along the rotation axis to be spaced apart or engaged from the first coupling portion in accordance with the rotation of the rotating shaft portion Cam portion; And an elastic part disposed on the rotary shaft part and elastically flowing the cam part. The present invention also provides an electronic product having the hinge assembly.

Description

HINGE ASSEMBLY FOR ELECTRONIC GOODS AND ELECTRONIC GOODS HAVING THE SAME

The present invention relates to a hinge assembly for a large electronic product, and more particularly, to a hinge assembly for a large electronic product and a large electronic product having the same so that the rotating shaft included in the folder hinge structure of the electronic product can be stably rotated. .

In general, the hinge assembly 10 used for a folding type wireless terminal includes a main body B1 equipped with a pad and a liquid crystal for displaying an input signal of a keypad, as described in Korean Registered Room No. 20-0417430. It is installed in the connecting portion of the sub body (B2) having a display device to serve to quickly open and close the sub body (B2) at a predetermined angle.

The conventional hinge assembly 10 is manufactured by a drawing method using a metal plate, and a pair of rotation shafts 31 are provided on one side and a pair on the other side so as to rotate together when the sub-body B2 is rotated. Rotary cam (30) having a cam of the cam, a linear cam (40) having a pair of cams formed on the shaft pin paper ground so as to move linearly in engagement with the rotary cam (30), and the rotary cam (30) A housing 60 having an accommodating portion 61 therein to accommodate the moving cam 40, a shaft pin 20 for coupling the linear moving cam 40 and the rotary operation cam 30 to the housing 60; It consists of a washer 70 and a snap ring 71 for rotationally fixing the shaft pin 20 to the housing 60, and a spring 50 that is compressed or expanded during linear movement of the linear cam 40.

The rotary operation cam 30 and the linear movement cam 40 are formed with through holes 33 and 41 so that the shaft pin 20 is coupled through the center, and the through hole 62 is similarly formed in the housing 60. do. The rotation operation cam 30 has a rotation shaft 31 formed at one side to be coupled to the sub-body B2, and inside the rotation shaft 31 has a head-shaped recess to accommodate the head 21 of the shaft pin 20 ( 32 is formed, and a pair of cams 34 protrude from the other side.

In addition, in response to the cam 34 of the rotary actuating cam 30, a pair of cams 42 protrude from one side of the linear cam 40, and an outer surface of the housing 61 of the housing 60 is formed. Is formed in the same shape as the linear movement cam 40 is prevented from rotating in the receiving portion 61 of the housing 60 is guided to be linearly moved in the receiving portion (61).

In the hinge assembly configured as described above and attached to the connecting portion of the main body B1 and the sub main body B2, the rotary actuating cam 30 is rotated when the sub main body B2 is opened and closed. By the linear movement cam 40 is moved to the rear (right in the drawing) is moved quickly to the front (left in the drawing) by the repulsive force of the compressed or compressed spring.

However, when such a conventional clamshell hinge assembly is applied to a hinge structure of an electronic product having a predetermined size or more, such as a notebook, a structural problem occurs such that the rotary actuating cam fitted to the shaft pin is twisted inside the housing.

SUMMARY OF THE INVENTION An object of the present invention is to provide a hinge assembly for a large electronic product and a large electronic product having the same so that the rotating shaft included in the folder hinge structure of the electronic product can be stably rotated.

It is another object of the present invention to prevent mechanical malfunctions such as the cams interlocked and rotated according to the rotation of the rotary shaft and the left and right upward and downward movements caused by the rotation of the rotary shaft and the resulting twists. Further, the present invention provides a hinge assembly for a large electronic product and a large electronic product having the same, which can effectively prevent mechanical damage caused by repeated use.

In one aspect, the present invention includes a rotational fixing portion having a product body is fixed, having a first engaging end concave at the end; A rotation shaft part fitted to the first coupling end to be rotatable to form a rotation axis; One end is formed to be convex so as to engage with the first coupling end, is installed to make a plurality of surface contact to the rotating shaft portion, and flows along the rotation axis to be spaced apart or engaged from the first coupling portion in accordance with the rotation of the rotating shaft portion Cam portion; And an elastic part disposed on the rotation shaft and including an elastic part for elastically flowing the cam part.

The rotating shaft portion, the rotating hole is formed, the housing is covered with the first coupling end at one end, the rotating shaft body is inserted into the rotating hole, the predetermined length and fitted to the first coupling end rotatably installed; It is preferable to have a rotating shaft which is formed on the outer circumference of the rotating shaft body and has a fixed body constituting a plurality of surfaces.

The cam portion is preferably inserted into the fixed body.

Preferably, the cam part has a second coupling end engaged with the first coupling end at one end thereof, and a fixing hole fitted into the fixing body is formed.

The fixing hole may be formed to correspond to the outer circumferential shape of the fixing body.

It is preferable that both surfaces of the fixing body are formed convexly curved, and planes parallel to each other are formed on the upper and lower sides of the fixing body.

Preferably, the elastic part is a coil spring which is installed inside the housing so that the rotating shaft passes, and elastically supports the other end of the cap part and the other end of the inner side of the housing.

Protruding guide protrusions are formed on both side portions of the cam portion.

In addition, the both sides of the housing, it is preferable that the guide hole which is slidably moved along the rotation axis direction in the state where the guide projection protrudes to the outside is preferably formed.

The fixed body is preferably installed detachably from the outer periphery of the rotating shaft body.

The cam unit preferably includes an outer cam body having a defect hole formed therein, and a coupling cam body which is coupled to the coupling hole and has the fixing hole formed therein.

In another aspect, the invention also provides an electronic product having the hinge assembly.

The present invention has the effect of allowing the rotating shaft included in the folder hinge structure of the electronic product to be stably rotated.

In addition, the present invention is to prevent the mechanical malfunction, such as the left and right flow up and down and the resulting twist between the cam and the cam interlocked in accordance with the rotation of the rotary shaft is installed on the rotary shaft, the housing is installed, further It has an effect that can effectively prevent mechanical damage caused by repeated use.

1 is an exploded perspective view showing the hinge assembly of the present invention.
FIG. 2 is a perspective view illustrating the rotating shaft of FIG. 1. FIG.
3 is a front view showing the cam portion according to the present invention.
4 is a view illustrating a state in which the rotating shaft and the cam unit are coupled to each other.
5 is a view illustrating a cross-sectional state in which the rotating shaft and the cam unit are coupled to each other.
Figure 6 is a partial perspective view showing the coupling between the cam portion and the housing,
7 is a cross-sectional view showing the coupling between the cam portion and the housing.
8 and 9 are cross-sectional views showing another example of the cam unit according to the present invention.
10 is a partial perspective view showing a coupling relationship between a fixed body and a rotating shaft body according to the present invention.
FIG. 11 is a cross-sectional view along the line AA of FIG. 10.

Hereinafter, a hinge assembly for a large electronic product and a large electronic product having the same will be described with reference to the accompanying drawings.

The hinge assembly of the present invention may be a collapsible portion, such as a folder type, and the electronic product may be a large product such as a notebook or tablet PC having the hinge assembly. Of course, the electronic product of the present invention may include all other electronic products having a hinge assembly in addition to the notebook.

1 is an exploded perspective view showing the hinge assembly of the present invention.

Referring to FIG. 1, the hinge assembly of the present invention is largely composed of a rotation fixing part, a rotation shaft part, a cam part and an elastic part.

The following describes each configuration.

Rotating fixture 100

The rotation fixing part 100 is composed of a plate-shaped fixing plate 110 and the coupling portion 120 extending to a predetermined length on both sides of the upper end of the fixing plate 110. The coupling part 120 may be formed in a circular shape.

The fixing plate 110 is a portion to which the folding object is coupled and fixed in the electronic product. The fixing plate 110 is provided with fastening holes 111 to be coupled to the object.

Although not shown in the drawing, the fastening bolts are fastened to the fastening holes 111 to couple the folding plate 110 to the folding object of the electronic product.

The first coupling end 121 is formed at both ends of the coupling part 120 to form a 'T' shape as a whole. In addition, the first coupling end 121 is formed in a concave shape in the axial direction of the coupling end.

Rotary shaft part 200

The rotating shaft part 200 is composed of a housing 210 and the rotating shaft 220.

The housing 210 is composed of a first housing 211 and a second housing 212.

The first housing 211 has a rotating hole 211a is formed on one side, the other side is opened, the space is formed inside. The first housing 211 is disposed at one side of the coupling part 120.

One side and the other side of the second housing 212 is opened and a space is formed therein. The rotary shaft 220 may be fitted through the other side of the second housing 212. The second housing 212 is disposed at the other side of the coupling part 120.

FIG. 2 is a perspective view illustrating the rotating shaft of FIG. 1. FIG.

1 and 2, the configuration of the rotating shaft 220 is as follows.

The rotating shaft 220 has a rotating shaft body 221 having a predetermined length, a disc 222 formed on one end of the rotating shaft body 221, and a pair of fixed bodies 223 formed on the outer circumference of the rotating shaft body. It consists of.

Here, the pair of fixed bodies 223 are formed at intervals in the rotating shaft body 221, and are composed of first and second fixed bodies 223a and 223b, the cross sections of which are formed to be the same.

The fixed body 223 has a predetermined length, and the upper and lower sides form a plane (a), both sides are formed as a curved surface (b) convex outward.

The rotating shaft body 221 is disposed to be rotatable through the coupling portion 120.

In this case, the first fixing body 223a is located at one side of the coupling part 120, and the second fixing body 223b is located at the other side of the coupling part 120.

In addition, one end of the rotary shaft body 221 is located in the inner space of the first housing 211, is inserted into the rotary hole 211a and supported by rotation, the other end of the rotary shaft body 221 is the inside of the second housing 212 Located in the space, the disk 222 formed at the other end of the rotary shaft body 221 is coupled to the other side of the second housing 212 to be rotatable.

Cam part 300

Figure 3 is a front view showing a cam portion according to the present invention, Figure 4 shows a state in which the rotating shaft and the cam portion coupled to each other, Figure 5 shows a cross-sectional state in which the rotation shaft and the cam portion coupled to each other.

Referring to FIG. 1, the cam part 300 according to the present invention includes the first and second cam parts 310 and 320. Here, the rotating shaft body 221 penetrates the first and second cam parts 310 and 320.

The first cam portion 310 is located on one side of the coupling portion 120, the second coupling end 311 formed in a convex shape to be in close contact with the first coupling end 121 formed on one side of the coupling portion 120 Is formed.

Here, the first and second coupling stages 121 and 311 may achieve a combined state or a disengaged state as one of the first and second coupling stages 121 and 311 rotates and returns to the distal position.

The second cam portion 320 is located on the other side of the coupling portion 120, the second coupling end 321 formed in a convex shape to be in close contact with the first coupling end 121 formed on the other side of the coupling portion 120 Is formed.

The first cam part 310 is disposed on one side of the coupling part 120 and is fitted into the first fixing body 223a to be fixed.

The second cam part 320 is disposed on the other side of the coupling part 120 and fitted into the second fixing body 223b to be fixed.

The shape of the fixing holes H formed in the first and second cam portions 310 and 320 is formed to correspond to the longitudinal cross-sectional shapes of the first and second fixing bodies 223a and 223b.

The outer circumferences of the first and second fixing bodies 223a and 223b fitted into the fixing holes H of the first and second cam parts 310 and 320 have a predetermined tolerance range with the inner surface of the fixing holes H. In close contact with the state.

Accordingly, the first and second cam parts 310 and 320 may be in a state in which the first and second cam parts 310 and 320 may flow along the rotation shaft body 221 in a state of being fitted into the first and second fixed bodies 223a and 223b.

Elastic part 400

Referring to FIG. 1, the elastic part 400 of the present invention includes first and second coil springs 410 and 420.

The first coil spring 410 is disposed in the inner space of the first housing 211 in a state of being fitted to the rotating shaft body 221 on one side of the coupling portion 120. The first coil spring 410 elastically supports the inner surface of the first housing 211 and the first cam portion 310.

The second coil spring 420 is disposed in the inner space of the second housing 212 in a state of being fitted to the rotary shaft body 221 on the other side of the coupling portion 120. The second coil spring 420 elastically supports the disc 222 and the second cam portion 320 formed at the other end of the rotation shaft body 221.

In this case, the first and second cam portions 310 and 320 form a state in which the first and second cam portions 310 and 320 are closely coupled to both sides of the coupling portion 120.

Next, referring to Figures 1 to 5, the operation of the hinge assembly of the present invention.

State before rotation

Referring to FIG. 1, the first and second cam parts 310 and 320 are pushed outward by the elasticity of the first and second coil springs 410 and 420 to form a state of being coupled to both sides of the coupling part 120.

At this time, the fixing holes H of the first and second cam parts 310 and 320 form a state fitted to the first and second fixing bodies 223a and 223b.

Rotation state

When the rotation fixing part 100 is rotated, the first and second cam parts 310 and 320 coupled to both sides of the coupling part 120 may move away from each other while the first and second coupling ends 121, 311 and 321 are shifted from each other. It is moved by two fixed bodies (223a, 223b). At this time, the first and second coil springs 410 and 420 form a compressed state.

Here, the first and second fixed bodies 223a and 223b have upper and lower planes a and curved surfaces b on both sides, and the fixing holes H are formed to correspond to their shapes. As the second cam portions 310 and 320 move along the first and second fixed bodies 223a and 223b, warpage in the rotation direction may be prevented.

Accordingly, in the present invention, when rotating the product body connected to the rotation fixing part 100, because the guide guides the stable movement while preventing the twist in the rotation direction of the first and second cam portion 310, 320, the product body stably It can be rotated.

On the contrary, when the rotation fixing part 100 is returned to its original position, the first and second cam portions 310 and 320 are returned to their original positions by the return elastic force of the respective coil springs 410 and 420, and the first and second cam portions 310 and 320 are coupled to the first and second cam portions 310 and 320. On both sides of the unit 120, the first and second coupling ends 121, 311 and 321 form a state in which they are coupled to each other.

6 is a partial perspective view showing the coupling between the cam portion and the housing, and FIG. 7 is a sectional view showing the coupling between the cam portion and the housing.

6 and 7, guide holes 211b are formed at both sides of the first housing 211 to have a predetermined length along the rotation axis direction.

In addition, guide protrusions 312 protruding to the outside are formed at both sides of the first cam part 310 in a state of being fitted into the guide holes 211b.

Therefore, when the first cam part 310 is moved along the first fixing body 223a, since the guide protrusion 312 is moved along the guide hole 211b, the first cam part 310 may be moved more stably without distortion.

Here, although not shown in the drawing, the same guide protrusion as described above is formed in the second cam part 320, and the guide hole in which the guide protrusion is slidably moved is formed in the second housing 212.

8 and 9 are cross-sectional views showing another example of the cam unit according to the present invention.

Referring to FIG. 8, the cam part 500 according to the present invention is coupled to the outer cam body 510 having the coupling hole 511 and the coupling hole 511, and the fixing hole H is formed. It may be composed of a coupling cam body 520 is.

Here, as shown in Figure 8, the coupling cam body 520 and the coupling hole 511 may be coupled in a screw coupling manner, as shown in Figure 9, the coupling cam body 620 is a coupling hole ( 611 may be coupled in a press fit manner through a separate fitting protrusion 621 and the fitting hole 512 of the outer cam body 610,

Therefore, the embodiment according to the present invention, by configuring the coupling cam body to be moved to the fixed body detachably from the outer cam body, when the fixing hole of the coupling cam body is damaged in accordance with long-term use, only the coupling cam body There is an advantage that can be replaced.

10 is a partial perspective view illustrating a coupling relationship between a fixed body and a rotating shaft body according to the present invention, and FIG. 11 is a cross-sectional view along the line A-A of FIG. 10.

10 and 11, the fixed body according to the present invention is detachably installed from the outer periphery of the rotary shaft body 221.

A first example of the first fixed body 230 will be described.

The first fixed body 230 may be divided into an upper body 231 and a lower body 232.

The first mounting groove 231a is formed on the lower surface of the upper body 231, the second mounting groove 232a is formed on the upper surface of the lower body 232, and the upper body 231 and the lower body 232 are formed. When combined with each other, the first and second installation grooves 231a and 232a form one installation hole.

Here, the stepped portion (D) to which the installation hole is fitted is formed in the rotating shaft body 221.

In addition, fastening holes 10 are formed at the lower edge of the upper body 231, and fastening protrusions 20 fitted to the fastening holes 10 are formed at the upper edge of the lower body 232.

Therefore, when the fastening protrusions 20 and the fastening holes 10 are fastened to each other, the upper and lower bodies 231 and 232 are fastened to each other in a state where the fastening protrusions 20 and the fastening holes 10 are fixed to the stepped portion D of the rotating shaft body 221 to be fixed. Form the body.

Accordingly, the embodiment according to the present invention has the advantage that the first fixed body can be detached from the rotating shaft body, and can be replaced according to whether the first fixed body is damaged.

While the present invention has been described above, the fixed body has been described with a two-stage hinge structure having the first and second fixed body and the first and second cam portions, but a single-stage hinge structure and a multiple hinge structure with a single fixed body and cam portion. Of course, the same can be applied to.

In the above description, the first fixed body has been representatively described, but the second fixed body may also be configured in the same manner.

As described above, according to the above configuration, the embodiment according to the present invention may allow the rotating shaft included in the folder hinge structure of the electronic product to be stably rotated.

In addition, the embodiment according to the present invention is installed on the rotary shaft and the mechanical malfunction such as the left and right flow up and down and the resulting distortion between the cam and the cam is interlocked in accordance with the rotation of the rotary shaft and the housing is installed It is possible to effectively prevent mechanical damage caused by repeated use.

As mentioned above, although specific embodiments regarding the hinge assembly for an electronic product and the electronic product having the same have been described, it is obvious that various modifications and variations can be made without departing from the scope of the present invention.

Therefore, the scope of the present invention should not be limited to the above-described embodiments, but should be determined by the scope of the appended claims and equivalents thereof.

It is to be understood that the foregoing embodiments are illustrative and not restrictive in all respects and that the scope of the present invention is indicated by the appended claims rather than the foregoing description, It is intended that all changes and modifications derived from the equivalent concept be included within the scope of the present invention.

100: rotation fixing part 110: fixing plate
120: coupling portion 121: first coupling end
200: rotating shaft portion 210: housing
211: first housing 211a: rotating hole
211b: guide hole 212: second housing
220: rotating shaft 221: rotating shaft body
222 disc 223 fixed body
223a: first fixed body 223b: second fixed body
300: cam portion 310: the first cam portion
320: second cam portion 400: elastic portion
410: the first elastic spring 420: the second elastic spring

Claims (9)

A rotation fixing portion having a product body fixed thereto and having a first coupling end concave at an end thereof;
A rotation shaft part fitted to the rotation fixing part to be rotatable to form a rotation axis;
One end is formed to be convex so as to engage with the first coupling end, is installed to make a plurality of surface contact to the rotating shaft portion, and flows along the rotation axis to be spaced apart or engaged from the first coupling end in accordance with the rotation of the rotating shaft portion. Cam portion; And
Is disposed on the rotating shaft, and includes an elastic portion for elastically flowing the cam portion,
The rotating shaft portion, the rotating hole is formed, the housing is covered with the first coupling end at one end, the rotating shaft body is inserted into the rotating hole, the predetermined length and fitted to the first coupling end rotatably installed; It is formed on the outer periphery of the rotating shaft body, and has a rotating shaft having a fixed body constituting a plurality of surfaces, wherein the cam portion is fitted to the fixed body,
The fixing body is a hinge assembly for an electronic product, characterized in that installed detachably from the outer periphery of the rotating shaft body.
delete The method of claim 1,
The cam portion
A second coupling end which is engaged with the first coupling end is formed at one end, and a fixing hole is fitted to the fixing body,
The fixing hole is a hinge assembly for an electronic product, characterized in that formed to correspond to the outer peripheral shape of the fixing body.
The method of claim 3, wherein
Curved surfaces formed convexly on both sides of the fixed body;
Hinge assembly for an electronic product, characterized in that the upper and lower sides of the fixed body are formed parallel to each other.
The method of claim 3, wherein
The elastic portion
And a coil spring installed inside the housing such that the rotation shaft penetrates and elastically supporting the other end of the cam portion and the other end of the housing.
The method of claim 3, wherein
Guide protrusions protruding from both sides of the cam portion are formed,
Both sides of the housing, the hinge assembly for an electronic product, characterized in that formed in the guide hole which is slidably moved along the rotation axis direction in the state where the guide projection protrudes to the outside.
delete The method of claim 3, wherein
The cam portion
An outer cam body having a coupling hole formed therein;
And a coupling cam body coupled to the coupling hole and having the fixing hole formed therein.
An electronic product comprising the hinge assembly for an electronic product according to any one of claims 1, 3 to 6 and 8.

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