KR100216046B1 - Tilt hinge - Google Patents

Abstract

The insertion of the cable through-hole in the axial direction of the small diameter portion of the rotating shaft does not cause any trouble, and the first precushion washer is fixed to the rotating shaft to fix the first precushion washer and the bearing plate. It provides a tilting hinge which can generate precushion torque between and.

The tilting hinge forms an insertion through hole 7c through which the cable 8 is inserted and penetrated in the axial direction of the rotational shaft 7, and the pre-cushion mechanism 10 is formed of the large diameter portion 7b. A first precushion washer 11 provided between one side and one side of the bearing plate 5b; a second precushion washer 12 abutted and restrained on the other side of the bearing plate 5b; A spring washer 13 installed to rotate together with the rotation shaft 7 while being in contact with the second precushion washer 12; It consists of a pressing washer 14, which is installed to rotate together with the rotary shaft 7 while being in contact with the spring washer 13, the first pre-cushion washer 11 through the pressing washer 14 The end of the rotating shaft 7 is caulked to press the second precushion washer 12 against the spring washer 13 to generate the precushion torque, respectively, to the plate 5b, and the first precushion washer 11 And lubricant are applied between the bearing plate 5b and between the second precushion washer 12 and the spring washer 13, respectively.

Description

Tilting hinge

1 is a perspective view of a laptop (lap top) type personal computer according to an embodiment of the present invention,

2 is an enlarged cross-sectional view of the portion A of FIG.

3 is an exploded perspective view of a tilting hinge according to an embodiment of the present invention;

4 is a plan view of the rotation axis,

5 is a side view of a bearing plate on which an uneven process is performed;

Figure 6 is an enlarged cross-sectional view of a part of the uneven processing portion carried on the bearing plate.

* Explanation of symbols for main parts of the drawings

2: device body 3: mounting part

4: display body 5: mounting member

5a: mounting base 5b: bearing plate

5c: coupling hole (insertion hole) 6: bearing hole

7: rotating shaft 7a: small diameter portion

7b: large diameter part 7c: through hole

7d: deformation mounting part 7e: coupling part (insertion groove)

8 Cable 9 Bracket

10: free cushion mechanism

11: first precushion washer 11b: engaging projection

12: second precushion washer 12b: engaging projection

13: spring washer 14: crimp washer

15: uneven machining portion 16: operating plate

17: E ring

The present invention relates to a tilting hinge suitable for use in opening and closing the display body of an OA device, such as a laptop top word processor.

The applicant of the present invention is a mounting shaft mounted on the side of the apparatus main body, a rotating shaft having a small diameter portion on the bearing plate of the mounting member for supporting the display body, and between the rotating shaft and one side of the bearing plate and between the other side of the bearing plate and the rotating shaft. By interposing various washers between the ends, the rotating shaft rotates only when a predetermined rotating torque is applied to the rotating shaft, so that the structure is simple and stable free cushioning over the entire opening angle of the display body. A tilting hinge that supports the display body of an OA device such as a laptop-type personal computer or word processor that can obtain a torque has been proposed.

In a laptop type personal computer or word processor, the display body is mounted to be opened and closed via a tilting hinge to a device body to which a keyboard or the like is mounted, so that a cable connecting the device body and the display body is not visible from the outside. This is mainly required for design issues. Moreover, in recent years, since the durability of these OA devices has improved dramatically, the durability of the tilting hinge is much higher than that of the related art.

An object of the present invention is that the cable connecting between the device body and the display body can be greatly improved while passing through the inside, and there is a problem in installing through the insertion hole of the cable in the axial direction of the small diameter portion of the rotating shaft The first precushion washer is held on and rotated on the rotational shaft to provide a tilting hinge that can generate free cushion torque between the first precushion washer and the bearing plate.

In order to achieve this object, the present invention provides a rotating shaft having a mounting member mounted to the apparatus body 2 side, a large shaft portion supported by the bearing plate of the mounting member for supporting the display body, and between the rotating shaft and the bearing plate. A pre-cushion mechanism is provided, wherein the pre-cushion mechanism is formed between one side surface of the large diameter portion and one side surface of the bearing plate while forming an insertion hole for inserting and penetrating a cable in the axial direction of the rotation shaft. An insertion tube through-hole provided between the two shafts is inserted into and penetrated into the rotating shaft, and the first pre-cushion washer held in a large diameter portion of the rotating shaft and the other side of the bearing plate are contacted and locked to the rotating shaft. A second pre-cushion washer formed at the center of the insertion through hole to be inserted into and inserted into the center portion; A spring washer installed in contact with the second pre-cushion washer to rotate together with the rotating shaft, and an insertion through-hole inserted into and penetrated into the rotating shaft is formed, and is pressed to rotate together with the rotating shaft while in contact with the spring washer. And an end of the rotating shaft to press the first pre-cushion washer to the bearing plate and the second pre-cushion washer to the spring washer to generate the pre-cushion torque through the pressing washer. The lubricant is applied between the first precushion washer and the bearing plate, and between the second precushion washer and the spring washer, respectively.

In this case, an uneven machining portion is formed on the sliding surface of the bearing plate in contact with the first precushion washer, between the uneven machining portion and the first precushion washer, and between the second precushion washer and the spring washer, respectively. It is preferred that a lubricant is applied.

In addition, the operation plate fixed to the rotating shaft by an E ring can be mounted to rotate together with the rotating shaft.

In the operation according to the above-described configuration of the present invention, the cable connecting the device body side and the display body can pass through the insertion hole formed in the axial direction on the rotation axis of the tilting hinge, so that it is not noticeable from the outside. When the display body is opened and closed, there is no fear of the cable being chewed.

In addition, when the display body is opened and closed, the rotating shaft rotates together, and between the pre-cushion washer fixed to the rotating shaft and the uneven processing portion of the bearing plate, the other pre-cushion washer fixed to the bearing plate, and the spring washer rotating together with the rotating shaft. Pre-cushion torque is generated, but the pressure-contacting surface for the pre-cushion washer is always constant, and at the same time, the lubrication oil remains in the recessed portion and the recess of the spring washer for a long time, thereby improving the lubrication action.

Hereinafter, specific embodiments of the present invention will be described with reference to the accompanying drawings.

Figure 1 shows an embodiment of the present invention, in Figure 1, the keyboard body 1 is installed, for example, the device body 2 of the laptop-type personal computer, the display body 4 using the liquid crystal is the tooth portion (3) It is mounted so that opening and closing is possible. Although the display body 4 is shown in an open state in the embodiment, when not in use, the coupling hole 4a, 4a, which is closed and protrudes from the display body 4, is formed on the device body 2 side. (2a) It is inserted and coupled to (2a) to be fixed.

A tilting hinge for opening and closing the display body 4 is provided in part A of FIG. 1, the structure of which is shown below in FIG.

In Figs. 2 to 4, reference numeral 5 denotes a mounting member, which is mounted on the apparatus main body 2 side. The mounting member 5 is particularly composed of a mounting base 5a and a bearing plate 5b, as shown in FIG. 2, and a bearing hole 6 is formed in the bearing plate 5b.

A rotating shaft 7 serving as a supporting member is supported by the bearing hole 6 with the small diameter portion 7a as the axis, and the large diameter portion 7b is formed on the rotating shaft 7 after the small diameter portion 7a. At the same time, it has an insertion through hole 7c penetrating in the axial direction, and in particular, as shown in FIG. 2, the cable 8 exiting from the apparatus main body 2 side passes through the insertion through hole 7c. It is inserted into the display body (4). A deformation attaching portion 76 is formed following the large diameter portion 7b of the rotating shaft 7, and the rear end of the deformation attaching portion 76 is displayed via a briquette 9 into which the deformation hole 9a is inserted. A mounting portion 3, which is a protrusion of the body 4, is mounted.

Next, the precushion mechanism 10 will be described. Between the large diameter portion 7b of the rotating shaft 7 and one side of the bearing plate 5, for example, a first precushion washer made of a material such as phosphor bronze ( 11) inserts and penetrates the small diameter portion 7a through the insertion hole 11a. A coupling protrusion 11b is formed to protrude from the outer circumference of the precushion washer 11, and the coupling protrusion 11b is coupled to the coupling portion 7e formed at the outer circumference of the large diameter portion 7b. On the other side of the bearing plate 5b, the rotary shaft 7 is inserted into the through holes 12a and 13a of the second precushion washer 12 and the spring washer 13, which are made of, for example, phosphor bronze. The small diameter portion 7a of is inserted through.

The outer periphery of the second precushion washer 12 is formed so that the engaging projection 12b is projected, the engaging projection 12b is coupled to the engaging hole 5c formed in the bearing plate 5b.

In addition, the small washer portion 7a of the rotary shaft 7 is inserted through the insertion hole 14a of the pressing washer 14, which is a flat washer, so that the pressing washer 14 comes into contact with the spring washer 13. By caulking the rear end of the small diameter portion 7a, the first precushion washer 11 and the second precushion washer 12, as shown in FIG. It is pressed against both sides of (5b). The outer diameter of the large diameter portion 7b and the outer diameter of the first precushion washer 11 are substantially the same, and the outer diameter of the pressing washer 14 and the outer diameter of the second precushion washer 12 and the spring washer 13 are almost the same. Since it is the same, the first precushion washer 11 and the second precushion washer 12 are pressed against the bearing plate 5b and the spring washer 13 of the mounting member 5 evenly over the entire surface. In addition, the sliding surface of the bearing plate 5b in contact with the first precushion washer 11 is particularly a plurality of minute unevennesses 15a, 15b ... as shown in FIGS. 5 and 6. The processing part 15 is formed and is not shown between the uneven processing part 15 and the 1st precushion washer 11, and between the spring washer 13 and the 2nd precushion washer 12, Lubricant is applied. In addition, the deformation attaching portion 76 of the rotation shaft 7 is fixedly inserted into the deformation hole 16a of the operation plate 16, and the E-ring 17 is inserted into the circumferential groove 7f in the radial direction to operate the same. The plate 16 is fixed not to be bad.

In FIG. 2, reference numeral 18 denotes a micro switch, which is opened and closed by an actuating protrusion 16b of the actuating plate 16 which rotates together when the display body 4 is opened and closed.

According to the configuration and operation of the present invention described above, since the cable connecting the device body and the display body passes through the rotational axis of the tilting hinge, the cable is not visible from the outside and is beautiful in design. There is no risk of jamming, and the sliding surface, that is, the friction surface, is limited between the first pre-cushion washer and the bearing plate, and between the second pre-cushion washer and the spring washer. The sliding surface of the bearing plate to be contacted is subjected to uneven processing to apply permanently by applying a lubricant between the first pre-cushion washer and the second pre-cushion washer and the spring washer in contact with the uneven part. Since the lubricant remains in the grooves, the retention of the lubricant is excellent, and there is no wear on the precushion surface. There is an effect that can effectively prevent the occurrence of noise or noise and reduction of torque.

In addition, there is an effect that the mounting of the operation plate for operating the switch or other sensing sensor is extremely easy.

Claims (3)

Rotating shaft 7 having a mounting member 5 mounted to the apparatus body 2 side and a large diameter portion 7b supported on the bearing plate 5b of the mounting member 5 for supporting the display body 4. In addition, in the configuration of the pre-cushion mechanism 10 provided between the rotary shaft 7 and the bearing plate 5b, an insertion through hole for inserting and penetrating the cable 8 in the axial direction of the rotary shaft 7 ( At the same time, the pre-cushion mechanism 10 is provided between the one side surface of the large diameter portion 7b and the one side surface of the bearing plate 5b, and is inserted and penetrated by the rotation shaft 7. The insertion through-hole 11a is formed in the center portion, abutting on the other side of the first pre-washer (11) and the other side of the bearing plate (5b), a part of which is held on the large diameter portion (7b) of the rotary shaft (7), The second precushion washer 12 formed in the center portion is inserted into and penetrated by the insertion hole 12a which is locked and inserted into and penetrates the rotary shaft 7. An insertion through hole 13a is formed and is inserted into and penetrated through the spring washer 13 and the rotating shaft 7 which are installed to rotate together with the rotating shaft 7 while being in contact with the second precushion washer 12. An insertion through hole (14a) is formed, and in contact with the spring washer 13, consisting of a pressing washer (14) which is installed to rotate together with the rotary shaft (7), through the pressing washer (14). End of the rotary shaft 7 to press the first pre-cushion washer 11 to the bearing plate 5b and the second pre-cushion washer 12 to the spring washer 13 to generate the pre-cushion torque. Tilting hinge, characterized in that the lubricant is applied between the first pre-cushion washer (11) and the bearing plate (5b) and between the second pre-cushion washer (12) and the spring washer (13). The sliding surface of the bearing plate 5b in contact with the first precushion washer 11 is formed with an uneven portion 15, and the uneven portion 15 and the first precushion washer 11) A tilting hinge, characterized in that a lubricant is applied between the second precushion washer (12) and the spring washer (13). The tilting hinge according to claim 1 or 2, characterized in that an actuating plate (16) fixed to the rotating shaft (7) is mounted to rotate together with the rotating shaft (7).