JPH06330668A - Hinge - Google Patents

Abstract

PURPOSE:To prevent twist of a device by mounting a second fitting body to a shaft connected to a first fitting body, winding a coil spring around the shaft, and enabling contact of an elastic member to be released against the second fitting body. CONSTITUTION:On the closed position of a hinge H, namely, under the condition in which a display part 35 is locked and closed, a coil spring 19 is locked with locking parts 6, 28 and restrained to the maximum extent. Next at unlocking a metallic plate 8 is rotationally moved together with a metallic plate 7 and a circular plate 1 by the torque of the coil spring 19, and the display part 35 in one body with the metallic plate 8 is opened in pop-up-motion. Next when an operator further opens the display part 35 by hand, the contact pin 20 of a shaft 15 is raised on the first step of a projecting part 5 accompanying rotational movement of the circular plate 1, and a wave washer 18 is elastically contacted with the external surface of the metallic plate 8. At further opening, the contact pin 20 is raised on the second step of the projecting part 5, and contacted with it strongly elastically, so as to open the display part in the nearly vertical state and stably hold it.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hinge used in a notebook personal computer or word processor, for example, so as to openably and closably connect a display section to a main body section.

[0002]

2. Description of the Related Art In a notebook type personal computer or word processor, a display section is rotated about a shaft fixed to the main body side to open and close. And
When the lock is released, the display section pops up and opens with the torque of the coil spring wound around the shaft, and the opened display section has the torque of the coil spring at the open position in the middle or even at the completely open position. It is designed to be held by.

[0003]

As described above, in the prior art, in addition to the pop-up opening of the display section, the coil spring is used to hold the display section at an appropriate open position. It is necessary to use a large torque, and as a result, a relatively large torque is applied to the display unit and the main body even when the display unit is closed, and there is a problem that twisting deformation easily occurs in each. there were.

The present invention has been made in view of such an actual situation, and an object thereof is to prevent the occurrence of the above-mentioned twisting deformation by making it possible to use a coil spring having a small torque. .

[0005]

In order to achieve the above object, the hinge of the present invention is provided with a first mounting body, a shaft connected to the first mounting body, and a pivotal movement on the shaft. A second mounting body to be mounted; a coil spring wound around the shaft and having both ends locked to the first and second mounting bodies to generate an opening biasing force at the hinge closed position; An elastic contact member that elastically contacts the second mounting body and a release mechanism that releases the contact of the elastic contact member at the closed position of the hinge are configured.

[0006]

According to the above construction, at the closed position of the hinge, the elastic contact of the elastic contact member with the second mounting body is released, and in the released state, the torque of the coil spring acts to open the hinge. In the further opened position, the elastic contact member makes elastic contact with the second mounting body.

When the hinge is used in a device, for example, the display portion is opened by a pop-up operation by the torque of the coil spring, and in the state where the display portion is further opened, the second attachment of the elastic contact member is performed. The display unit is held by the elastic contact structure with the body.

Therefore, as the coil spring, one having a small torque enough to perform the pop-up operation can be used.

[0009]

1 is a plan view showing a hinge H of the present invention,
2 is a front view, FIG. 3 is a side view, and FIG. 4 is an exploded perspective view.

In these drawings, reference numeral 1 is a circular plate made of a hard resin having a large friction coefficient, and a shaft support hole 2 is provided at the center thereof, and two mounting holes 4 are provided at peripheral positions thereof. Further, at a position where the mounting hole 4 does not exist on the inner surface, a projecting portion 5 centering on the shaft supporting hole 2 is integrally provided, and a cutout concave portion 3 is formed at a part of the periphery.

Reference numerals 7 and 8 denote metal plates used to hold the circular plate 1 therebetween. Each metal plate 7, 8
Is provided with a shaft-supporting hole 10 and a mounting hole 11 that match the shaft-supporting hole 2 and the mounting hole 4 of the circular plate 1, respectively, so that the protrusion 5 of the circular plate 1 can be fitted into the inner metal plate 7. Of the elongated hole 13 and a notch recess 14 that matches the notch recess 3 is formed at a part of the peripheral edge thereof, and the metal plate 8 on the outer side is bent at a part of the peripheral edge thereof to form the notch recesses 3, 14 therein. The locking piece 6 that is fitted into the is formed so as to project inward.

The circular plate 1 and the metal plates 7 and 8 constitute a second mounting body.

Reference numeral 15 denotes a shaft which is inserted into the circular plate 1, a flat portion 16 is formed on the inner end side, and a screw portion 17 is formed on the outer end side, and a releasing mechanism is provided near the screw portion 17 as a releasing mechanism. The contact pin 20 is projected. A coil spring 19 is wound around and attached to the shaft 15. As the coil spring 19, a coil torque that is smaller than that used conventionally is used.

The shaft 15 has its threaded portion 17
Is inserted into the shaft support holes 10, 2 and 10 of the metal plate 7, the circular plate 9 and the metal plate 8, respectively, and a wave washer 18 as an elastic contact member is attached to the screw portion 17 thereof.
Further, a nut 21 is screwed onto the screw portion 17 and integrally attached to the metal plate 7, the circular plate 9 and the metal plate 8.

Reference numeral 22 denotes a mounting metal fitting as a first mounting body, which is a horizontal base portion 25 in which two mounting holes 24 are formed.
And a connecting portion 27 provided with a connecting hole 26 formed by being raised from a side portion on one end side of the horizontal base portion 25 and into which the flat portion 16 of the shaft 15 is fitted, and the connecting portion 27.
And a locking portion 28 of the coil spring that is horizontally formed so as to be positioned one step higher than the horizontal base portion 25 in the vicinity of.

The flat portion 16 of the shaft 15 with the coil spring 19 mounted is attached to the mounting member 22.
It is fitted in the connecting hole 26 of the above and is connected to the mounting member 22.

As shown in FIG. 5, the hinge H constructed in this manner has the circular plate 1 and the metal plate on one side of the rear upper surface of the main body 30 where the mounting bracket 22 is provided with the operation surface 33 of the device. The 7th and 8th sides are attached to the inner surface of the side portion of the display unit 35 with screws 31 fixed thereto.

The operation in use will be described below.

FIGS. 1, 2 and 3 show the closed position of the hinge H,
That is, in the device, the display unit 35 is locked and closed, and in this state, the coil spring 19 is locked to the respective locking units 6 and 28 and is narrowed to the maximum. Further, in this state, as shown in FIG.
As shown in FIG.
Since it is not located on the protrusion 5 of the circular plate 1 protruding from the inner surface position of the circular plate 1, the circular plate 1 and the metal plates 7, 8
Is not pushed outward, and the wave washer 18 is not in elastic contact with the outer surface of the metal plate 8.

Therefore, when the lock is released, the metal plate 8 is rotated integrally with the metal plate 7 and the circular plate 1 by the torque of the coil spring 19, whereby the display portion 35 integrated with the metal plate 8 is opened by the pop-up operation. . Since the coil spring 19 uses a small torque generation, it is involved only in this pop-up operation.

Next, when the operator hands on the display unit 35 and further opens it, the contact pin 20 of the shaft 15 moves along with the rotation of the circular plate 1 as shown by the dotted arrow in FIG. The circular plate 1 and the metal plates 7 and 8 are pushed outward slightly by climbing on the first step 5a, and the wave washer 18 makes elastic contact with the outer surface of the metal plate 8. The display unit 35 is held in the inclined open position based on the frictional force due to the elastic contact.

Then, when the display unit 35 is further opened, the contact pin 20 of the shaft 15 climbs on the second step 5b of the projecting portion 5 as the circular plate 1 rotates, whereby the circular plate 1 and the metal plate 7 are made. , 8 are further pushed outward, and the wave washer 18 makes strong elastic contact with the outer surface of the metal plate 8. Due to the large frictional force due to this elastic contact, the display unit 35 is stably held in the substantially vertically opened position as shown in FIG.

In the above embodiment, the projecting portion 5 has a two-stage structure, but the size of the frictional force obtained by the elastic contact can be appropriately set by further increasing the number of stages or forming a continuous inclined surface. You can

[0024]

As is apparent from the above description, according to the present invention, the coil spring is used only in the initial stage of the opening operation, and thereafter, the elastic contact structure of the elastic contact member to the second mounting body. Since the open state is maintained by this, it is possible to use a coil spring with a torque that is small enough to perform a pop-up operation in the device, which allows the device to twist due to the excessive torque of the coil spring. Deformation is surely prevented.

[Brief description of drawings]

FIG. 1 is a plan view of a hinge of the present invention.

FIG. 2 is a front view of a hinge of the present invention.

FIG. 3 is a side view of the hinge of the present invention.

FIG. 4 is an exploded perspective view of the hinge of the present invention.

FIG. 5 is a perspective view showing a usage state of a hinge.

FIG. 6 is an operation explanatory diagram

[Explanation of symbols]

 1 circular plate (second mounting body) 7, 8 metal plate (second mounting body) 15 shaft 18 wave washer (elastic contact member) 19 coil spring 20 contact pin (release mechanism) 22 mounting plate (first mounting body) )

Claims (1)

[Claims] 1. A first mounting body, a shaft connected to the first mounting body, a second mounting body rotatably mounted on the shaft, and wound around the shaft. And both ends are the first
A coil spring that is locked to the second mounting body to generate an opening biasing force at the closed position of the hinge, an elastic contact member that elastically contacts the second mounting body, and a contact of the elastic contact member. And a releasing mechanism for releasing the hinge at the closed position.