JPS62260663A - Opening/closing mechanism - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to an opening/closing mechanism that opens and closes a lid-like opening/closing member on the upper surface of a main body with one end of the opening/closing member as a pivot.

[Prior Art] A conventional opening/closing mechanism of this type is shown in FIG. 12, for example. The bearing is formed through a hole 2 at one end of the main body 1, and bearings 4 and 5 are integrally formed at both ends of the opening and closing member 3, and the holes of the bearings 4 and 5 of the opening and closing member 3 and the main body 1 are formed integrally. Insert the shaft 6 into the hole with the bearing aligned with the hole 2, and finally insert both ends 6a and 6b of the 1ill6.
It is constructed by fitting E-shaped stoppers 7 and 8 into grooves provided in the.

Further, a locking member 9 is provided at one end of the main body 1, and the locking member 9
A protruding member 10 attached to one side end of the opening/closing member 3 is inserted into a hole of the lug 9 to regulate the opening angle of the opening/closing member 3.

[Problems to be Solved by the Invention] However, in such a conventional device, the bearing provided at one end of the main body 1 is inserted into the hole 2 with the shaft 6 extending from one end to the other end. Therefore, there was a problem that a foot 6 passed through the interior of one end of the main body, making it impossible to store parts there. For this reason, there was a problem in that it was difficult to make the main body 1 more compact. For this reason, it is conceivable to divide the shaft 6 into two and connect the bearing iJ hole and the bearings 4 and 5 on each side using the shaft, but if this is done, the number of parts to be assembled will increase and the assembly will be troublesome. Problems arise.

Further, since both ends 6a and 6b of the support 6 are exposed to the outside, there is a problem that the appearance is spoiled.

Furthermore, since the locking portion 149 and the protruding member 10 used to regulate the opening angle of the opening/closing member 3 are exposed to the outside, there is also a problem in that the appearance is spoiled.

This invention was made to solve these problems, and the interior of the main body can be used effectively, the main body can be made more compact, and the opening/closing member can be easily assembled to the main body. It is an object of the present invention to provide an opening/closing mechanism that does not have a part +a exposed to the outside and does not have a risk of damaging its appearance.

Another object of the present invention is to provide an opening/closing mechanism in which the opening angle of the opening/closing member can be regulated without exposing the member to the outside, and in this respect, there is no risk of damaging the appearance.

[Means for Solving the Problems] The present invention has a lid-like opening/closing member on the upper surface of the main body that opens and closes with one end of the opening/closing member as a pivot, and a cross section integrally formed with the opening/closing member on the inner side of one end of the opening/closing member. An L-shaped rotating shaft is formed, and a bearing is formed integrally with the main body at a portion facing the rotating shaft inside one end of the main body and the rotating shaft is slidably inserted from the side. It is formed integrally with the main body near the insertion side, and when the rotating shaft is inserted, it is pressed by the rotating shaft and elastically deforms, and when the rotating shaft is inserted into the bearing, the pressure from the rotating shaft is released and the rotating shaft elastically returns to its original shape. A retaining member is provided to prevent the bearing from coming off the bearing.

The present invention further provides a stopper which is integrally formed inside the opening/closing member and is inserted into a locking hole provided inside the main body at the same time as the rotating shaft is inserted into the bearing to regulate the opening angle of the opening/closing member. It is something.

[Function] In the present invention having such a configuration, the opening and closing member can be easily damaged relative to the main body by simply sliding the rotating shaft of the opening and closing member into the bearing formed in the main body from the side. When the rotating shaft is inserted into the bearing, the falling-out IL member elastically deforms to facilitate the insertion of the rotating shaft into the support, and when the rotating shaft is inserted into the bearing, the elastic deformation of the retaining member is released and it returns to its original position. +J- Prevents the return rotation shaft from coming off from the bearing.

Further, in the present invention, the locking part formed on the opening/closing member is inserted into the locking hole at the same time as the rotating shaft is inserted into the bearing, and when the opening/closing member is opened at a certain angle when the opening/closing member is opened, the locking part is locked. It is locked by a stop hole and regulates the opening angle.

[Embodiments] Hereinafter, embodiments of the present invention will be described with reference to the drawings. In this embodiment, the present invention will be described as applied to an IC card writing/reading device.

Fig. 1 shows an external view, and Fig. 2 shows an exploded perspective view of the device, in which an IC card holder 22 as an opening/closing member also made of synthetic resin is provided at the rear end of the main body 21 of the device made of synthetic resin. It is provided so that it can be opened and closed freely using an opening and closing mechanism.

An IC card insertion slot 23 is provided at the tip of the IC card holder 22, and an IC card 24 is inserted through the insertion slot 23.

A terminal block 26 having a plurality of contact terminals 25, for example eight contact terminals 25 protruding from holes, is provided on the right side of the upper surface of the device main body 21. On the other hand, an opening 27 is provided on the right side of the lower surface of the IC card holder 22, and an opening 27 is provided when the IC card 24 is inserted into the holder 22.

Eight input/output terminals 28 provided on the bottom surface of the IC card 24 are exposed. And IC card 2
When the IC card holder 22 is closed with respect to the device main body 21 while the IC card 4 is inserted, each input/output terminal 28 of the IC card 24 comes into contact with each contact terminal 25.

Each of the contact terminals 25 is fixed to one end of a conductive leaf spring, and the upward movement of the leaf spring is prevented by a hole in the terminal block 26, so that each contact terminal 25 is always biased in two directions. ing. The other end of the leaf spring is soldered to a circuit pattern on a circuit board via a support, and these are housed inside the main body 21 of the device.

The opening/closing mechanism includes rotating shafts 27. which have an angular cross section on the left and right sides of one end of the IC card holder 22, for example, inside the rear end.
28 is formed integrally with the holding body 22. Further, it is formed integrally with the device main body 21 at a portion on the inside of the rear end side of the device main body 21 facing the rotation shafts 27.28, and is slidably inserted from the side of each rotation shaft 27.28, that is, from the left side in the figure. A support holder 29,30 is provided.

In the vicinity of the insertion side of the bearing 30, as shown in FIG.
As shown in the cross-sectional view taken along line I), when the rotating shaft 28 is inserted, it is pressed by the lower end of the rotating shaft 28 and elastically deforms in the direction shown by arrow A in the figure, and when the rotating shaft 28 is completely inserted into the bearing 30. A retaining member 31 with an inverted cross section that elastically returns when the pressure from the rotation shaft 28 is released is attached to the device main body 21.
is formed integrally with. This retaining member 31 locks the rear end portion of the rotary shaft 28 at a corner portion 31'a which elastically returns to prevent the lug 28 from coming off.

Further, the opening/closing mechanism has an opening spring 32 attached to the approximate center of the inside of the rear end of the device main body 21, and
is always biased in the direction of opening.

Furthermore, the opening/closing mechanism is provided with a stopper 33 having an angular cross-section inside the IC card holder 22 near where the rotating shaft 28 is provided, and is integrated with the holder 22.
A locking hole 34 is provided in a portion facing the stopper 33, so that the locking portion 33a of the stopper 33 is also inserted into the locking hole 34 when each of the rotating shafts 27, 28 is inserted into the bearing 29, 30. I have to.

The upper surface of the locking portion 33a of the stopper 33 is tilted upward rearward as shown in FIG. 4, and has an opening angle when the IC card holder 22 is released as shown in FIG. When the angle is reached, the upper surface of the locking portion 33a comes into contact with the inner surface of the locking hole 34 to restrict further opening of the holding body 22.

The IC card holder 22 is composed of an upper lid 22a made of, for example, a transparent acrylic material and a lower lid 22b made of an opaque synthetic resin. It is constructed by sliding rails provided inside both sides of the lid 22a.

An IC card detection member 35 is rotatably provided on the left side of the lower surface of the IC card holder 22.

This IC card detection member 35 is made of a long member as shown in FIGS.
a, 3'6'b are provided, and the rotation axis 36a,
'36b is supported by bearings 37a and 37b integrally provided on the lower lid 22b of the IC card holder 22 to rotate. These bearings 37a and 37b are the eighth
As shown in the figure, it has a U-shaped cross section, with a free piece on the inside and a hook at the tip.

Further, a spring storage part 39 is formed in the lower lid 22'b of the IC card holder 22 and is located in front of the bearings 37a and 37b and stores a return spring 38. 38, the tip end 35a of the IC card detection member 35 is always biased in both directions.

That is, the ICC card detection monthly interest rate 5 is pressed to the inside of the two lids 22a of the IC card holder 22 by the return spring 38.

The rear end portion 35b of the IC card detection member 35 is inserted into a guide groove 40 provided on the left side of the upper surface of the device main body 21. Through-holes 41 and 42 are provided on both sides of the interior rear of the guide groove 40, and a light-emitting element 43 and a light-receiving element 44 are provided inside the device main body 21 behind the through-holes 41 and 42.
An optical sensor consisting of the following is mounted and housed on a circuit board 45.

As shown in FIG. 9, when the IC card 24 is not inserted into the IC card holder 22, the front end 35a of the IC card detection member 35 is pushed upward, and the rear end 35b is lowered to emit light. Element 43 and light receiving cable 44
When the IC card 24 is inserted through the insertion slot 23 of the IC card holder 22 and the head of the tip 35a of the IC card 14 detection member 35 is pushed down, the IC card is detected. The rear end 35b of the member 35 rises to block the optical path connecting the light emitting element 43 and the light receiving element 44. By blocking this optical path, the IC card 2
4 is detected.

Even if the IC card holder 22 is closed with respect to the device main body 21 in this state, the light emitting element 43 and the light receiving element 44 by the rear end portion 35b of the IC card detection member 35 will not be detected as shown in FIG.
The interruption of the optical path connecting the two will be maintained.

A locking claw 46 is provided at the bottom of the IC card holder 22 to lock the holder 22 from opening.
When the IC card holder 22 is closed to the device main body 21, the locking claw 46 is inserted into the hole 4 provided on the device main body 21 side.
7 and is engaged with a stopper (not shown) provided in the hole 47 to lock the opening. This stopper is driven by, for example, an electromagnetic solenoid, and unless the electromagnetic solenoid is operated, the locking pawl 4 is moved by a separately provided spring.
6 in a locked state.

In the device of this embodiment having such a configuration, the IC card 24 is inserted into the IC card insertion slot 23 of the IC card holder 22.
When the card is inserted, the leading end 35a of the IC card detecting member 35 is pushed down by the card, and the optical path connecting the light emitting element 43 and the light receiving element 44 is blocked by the rear end 35b of the detecting member 35, thereby detecting the insertion of the card. And I
When the insertion of the IC card 24 into the C card holder 22 is completed and the holder 22 is opened from the device main body 21, the locking claw 46 of the holder 22 engages with a stopper provided on the device main body 21 side. Engage and lock. Immediately before this locking, each input/output terminal 28 of the IC card 24 comes into contact with each contact terminal 25 on the device main body 21 side.

In this way, it becomes possible to read and write information to and from the IC card 24 via each contact terminal 25.

In this embodiment, two rotating shafts 27, 28 and a stopper 33 are provided inside the rear end of the integrated IC card holder 13, and each rotating shaft 27, 28 is connected to the main body of the device.
The opening/closing mechanism can be easily established by simply sliding the IC card holder 29 into the bearing 29, 3.0 on the first side and inserting the locking part 33a of the stopper 33 into the locking hole 34 on the device main body 21 side. It becomes possible to open and close the main body 21.

When the rotary shaft 28 is inserted into the bearing 30, the rear end of the rotary shaft 28 is locked by the retaining member 31, so that there is no possibility that each rotary shaft 27, 28 will come off from the bearing 29, 30.

When the rotating shaft 27, 28 is removed from the bearing 29,30, the tip of the retaining member 31 is elastically deformed in the direction indicated by arrow A in the figure, so that the corner 31a of the member 31 becomes the rear end of the rotating shaft 28. Since it comes off, it can be easily removed.

Further, since the bearings 29.30 of the rotating shafts 27.28 only need to be partially provided in two places on the left and right inside the rear end of the device main body 21, even if the axes of the rotating shafts 27.28 are Other parts can be stored in the part where .30 is not formed. That is, in this embodiment, the light emitting element 4
3 and a light receiving element 44 are provided. In this way, the rotation axis 2
Since parts can be stored even on the 7.28 axis, the device main body 21 can be made more compact.

Furthermore, since the rotating shafts 27, 28 and the stopper 33 are provided inside the IC card holder 22, and the bearings 29, 30 and the locking hole 34 are provided inside the device main body 21, no members are exposed to the outside. There is no risk of damaging the appearance.

In the above embodiment, the present invention was applied to an IC card writing/reading device, but it is needless to say that the present invention is not limited thereto.

[Effects of the Invention] As detailed above, according to the present invention, the inside of the main body can be used effectively, the main body can be made more compact, and the opening/closing member can be easily assembled to the main body.
In addition, it is possible to provide an opening/closing mechanism that does not have any externally exposed members and does not pose a risk of damaging its appearance.

Further, according to the present invention, the opening angle of the opening/closing member can be controlled without exposing the member to the outside, and in this respect as well, it is possible to provide an opening/closing mechanism that does not cause damage to the appearance.

[Brief explanation of drawings]

Figures 1 to 11 show an embodiment of the present invention. Figure 1 is a perspective view showing the external appearance, Figure 2 is an exploded perspective view, and Figure 3 is taken along line I-1 in Figure 2. 4 and 5 are cross-sectional views along the line ■-■ in FIG. 2, FIG. 6 is an exploded perspective view showing the configuration of the IC card detection member installation section, and FIG.
A plan view showing the installation of the C card detection member, FIG. 8 is a cross-sectional view taken along line ■-■ in FIG. 7, and FIGS. 9 to 11 are cross-sectional views taken along line IV-IV in FIG. 2. In the figures, Figure 9 shows the IC card before insertion, Figure 10 shows the IC card inserted, and Figure 11 shows the IC card holder closed after the IC card is inserted. 12 are exploded perspective views showing a conventional example. 21...Device body, 22...IC card holder (opening/closing system), 27.28...Rotating shaft, 2'C'30...
Bearing, 31... Retaining member, 33... Storing/sonoku, 34... Locking hole. Applicant's agent Patent attorney Takehiko Suzue Figure 1 Figure 10 Figure 12 Figure 11

Claims (2)

[Claims] (1) In an opening/closing mechanism that opens and closes a lid-like opening/closing member on the top surface of the main body using one end of the opening/closing member as a pivot, a rotating shaft having an L-shaped cross section and integrally formed with the opening/closing member on the inner side of one end of the opening/closing member. a bearing formed integrally with the main body at a portion facing the rotating shaft inside one end of the main body and into which the rotating shaft is slidably inserted from the side; and a bearing near the insertion side of the rotating shaft with respect to the bearing. is formed integrally with the rotary shaft, and is elastically deformed by being pressed by the rotary shaft when the rotary shaft is inserted,
An opening/closing mechanism characterized in that the opening/closing mechanism comprises a retaining member that elastically returns when the rotation shaft is released from the pressure when the rotation shaft is inserted into the bearing and prevents the rotation shaft from coming off from the bearing. (2) In an opening/closing mechanism that opens and closes a lid-like opening/closing member on the top surface of the main body with one end of the opening/closing member as a pivot, a rotating shaft having an L-shaped cross section and integrally formed with the opening/closing member on the inner side of one end of the opening/closing member. a bearing formed integrally with the main body at a portion facing the rotating shaft inside one end of the main body and into which the rotating shaft is slidably inserted from the side; and a bearing near the insertion side of the rotating shaft with respect to the bearing. is formed integrally with the rotary shaft, and is elastically deformed by being pressed by the rotary shaft when the rotary shaft is inserted,
A retaining member is integrally formed inside the opening/closing member, and when the insertion of the rotating shaft into the bearing is completed, the pressure by the rotating shaft is released and elastically returns to prevent the rotating shaft from coming off from the bearing; An opening/closing mechanism characterized in that a locking part is inserted into a locking hole provided inside the main body when the rotating shaft is inserted into the bearing, and a stopper restricts the opening angle of the opening/closing member.