JPH0769359A - Lid body and opening and closing structure thereof - Google Patents

Abstract

PURPOSE:To hide locking recess parts and locking projecting parts inside a lid body, when closed, to make them invisible from outside so as to improve the appearance by a method wherein, as the rotary mounting part for attaching the lid body to a device body in a freely opening and closing manner and the locking recess parts and the locking projecting parts are formed integrally with the lid body and the device body, respectively, and are provided inside the end wall. CONSTITUTION:A pair of locking recess parts 15 are formed on the inner surface of a lid body 14 as in the shape of a U opening toward the rear surface of a lid body 14 and each locking recess part 15 is formed integrally with the lid body with its one side piece forming a unitary connection with the side wall 14a thereof. A recess part with semicircular cross section is formed at the central part of the opening 15b of the locking recess part 15. A pair of locking projection parts 16 are provided projecting from the upper end part of the recess part 17 of a lower cover 10. Each locking projection part 16 is provided with a rotary mounting part 16a formed as in the shape of a U connecting the end part on the opening side with the inner wall surface of the recess part 17 and engageable with the opening 15b of the locking recess part 15. The locking recess parts 15 and the locking projecting parts 16 are formed integrally with the lid body 14 and the cover 10, respectively, rotary mounting members are not required separately and, since they are provided inside the side wall 14a, the appearance is improved.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lid body which is attached to a main body of an apparatus so as to be openable and closable, and an opening and closing structure for attaching the lid body to the main body of the apparatus so as to be openable and closable.

[0002]

[Prior Art] In schools, cram schools, offices, factories, etc.
7 shows a timer (generally called a bell timer) that displays time on a clock (analog clock), sounds a built-in notification sound (chime sound or melody) at a desired time, and controls an external device. Shown in.

The timer shown in FIG. 7 has a box-shaped body 90a having a front surface which is attached to a wall surface, and a cover as a lid body which is openably and closably attached to the front surface of the body 90a and is provided with an analog clock on the front surface. The housing 90 is constituted by 90b. In this timer, the time-of-day time is set by using the time-of-day disk 92 provided on the back side of the analog clock unit 91. A plurality of screw holes 92a are provided around the outer circumference of the time signal disk 92, and the setting pin 92b is screwed into the screw hole 92a corresponding to the time desired for time information to set the time time. . For the time report,
This is performed by the speaker 93 provided on the cover 90b. The timer can also set the time at which the external device is controlled using the time disc 92. The setting output is input to the control unit 94, and the control output is given to the external device via the output terminal 95.

[0004]

By the way, in the above apparatus, the cover 90b as the lid is rotatably attached to the body 90a as the apparatus main body by using the hinge 96. When the cover 90b is closed, the latch 97 is formed integrally with the body 90a.
To keep the cover 90b closed.

However, with the conventional opening / closing structure such as the above-mentioned device, a pivotal mounting member such as the hinge 97 is separately required, and when the cover 90b is closed, the pivotal mounting member is visible from the outside. There was a problem that it looked bad. The present invention has been made in view of the above points, and an object of the present invention is to provide an opening / closing structure for a good-looking lid that does not require a rotating attachment member individually.

[0006]

According to a first aspect of the invention, in order to achieve the above object, at least the front surface and the outer surface of the end wall on the rotation mounting side constitute a part of the outer shell. In a device that is attached to the main body in a freely openable and closable manner, a bearing portion is integrally formed on the inner surface of the end wall of the lid body, a concave portion for accommodating the end wall is formed in the main body of the apparatus, and the bearing portion is rotatable in the concave portion. A shaft portion that fits into the projection is provided in a projecting manner, and the lid body is attached to the apparatus main body so as to be openable and closable with the shaft portion serving as a fulcrum.

According to a second aspect of the present invention, in the lid body having the opening / closing structure according to the first aspect, the lid is provided so that articles necessary for operation setting of the apparatus such as an instruction manual can be stored in the apparatus. An accommodating portion for accommodating articles necessary for operation setting of the device such as an instruction manual is formed on the back side of the body, and a detachable detachment preventing body for preventing the article accommodated in the accommodating portion from falling out is provided.

[0008]

According to the first aspect of the present invention, the bearing portion and the shaft portion, which serve as a pivotal mounting portion for opening and closing the lid body to be opened and closed as described above, are formed integrally with the lid body and the apparatus body. No pivotal mounting member is required. Further, since the bearing portion and the shaft portion are provided inside the end wall,
With the lid closed, the bearing and the shaft are hidden inside the lid so that they cannot be seen from the outside to improve the appearance.

According to the second aspect of the present invention, as described above, the storage section for storing the articles necessary for the operation setting of the apparatus such as the instruction manual is formed in the lid body, so that the storage section can be individually provided at another location. Eliminates the problem that the shape becomes large as when it is provided. Further, by storing the articles such as an instruction manual necessary for the operation setting of the apparatus together with the apparatus, the risk of loss is reduced as compared with the case where the articles are stored separately.

[0010]

【Example】

(Embodiment 1) An embodiment of the present invention will be described with reference to FIGS. In the following description, as in the conventional example, the time is displayed on a clock (analog clock) at a school, cram school, office, factory, etc., and a built-in notification sound (chime sound or melody) is desired. As an example, a case where the timer is activated at a time and controls an external device is applied.

As shown in FIG. 3 or 4, the timer comprises a timer main body 1 attached to a wall surface and a setting section 2 detachably attached to the timer main body 1. The timer main body 1 operates by using a commercial power source as a power source. When the setting device 2 is attached to the timer main body 1, the timer main body 1 supplies power to the setting device 2. Then, the setting device 2 is individually provided with a nickel-cadmium battery, a chillium battery, a dry battery, a solar battery or the like as a power source when it is removed from the timer main body 1.

The timer body 1 is provided with an analog timepiece 11 at the upper part, a speaker part 12 having a speaker for generating a notification sound such as a chime sound is provided on the lower right side thereof, and a housing part for housing the setting device 2 on the left side. 13 is formed. Below the storage unit 13, a plurality of switches 18 ₁ to 18 ₃ for manually setting the timer are provided. here,
In particular, the switches 18 ₁ and 18 ₂ are for performing on / off control of the operation of the external device manually without depending on the operation of the timer, and the shoulders of the switches 18 ₁ and 18 ₂ have external devices. Indicators 19 ₁ and 19 ₂ for displaying the operating state of
Is provided.

The housing 10 of the timer main body 1 is made of synthetic resin, and includes a body 10a facing the wall surface of the timer when it is mounted on the wall surface, an upper cover 10b to which an analog clock 11 is mounted, a housing portion 13 and a speaker. It is composed of a lower cover 10c having a sound output hole. The upper cover 10b is attached to the body 10a so as to be openable and closable, and the upper cover 10b can be opened to adjust the time of the analog timepiece 11, for example.

The accommodating portion 13 is formed in a rectangular shape, and a concave portion 13 into which a finger is inserted when the setting device 2 is attached / detached to / from the upper and lower portions thereof.
a and 13b are formed. A lid 14 is openably and closably attached to the front surface of the storage portion 13. Here, the front surface and the outer peripheral surface of the storage portion 13 in a state in which the setting device 2 is stored are of such a size that the lid 14 is fitted therein, and the housing 1
0 is recessed one step lower than the front surface, and the lid body 14 is flush with the front surface of the housing 10 when the lid body 14 is attached. That is, the front portion of the lower cover 10c excluding the recessed portion such as the storage portion 13 and the front portion of the upper cover 10b excluding the display surface of the analog timepiece 11 are flush with the front surface of the lid body 14. .

The lid 14 is attached in an openable and closable manner with its outer edge (the left edge in FIG. 4) pivotally supported by the lower cover 10c. The structure of the rotary mounting portion of the lid body 14 is shown in FIG. An end wall 14a is provided on the outer edge of the lid body 14.
And a recess 17 for accommodating the end wall 14a is formed at the outer end of the lower cover 10c. Where the recess 1
Reference numeral 7 is recessed one step lower than the outer peripheral surface of the storage portion 13.

A pair of bearings 15 are formed on the inner surface of the end wall 14a of the lid 14. These bearing portions 15 are formed in a substantially U shape that opens toward the rear surface of the lid body 14, and one side piece thereof is integrally formed by integrally connecting to the end wall 14b. A recess having a semicircular cross section is formed in the center of the opening 15b of the bearing portion 15. A pair of shafts 16 is provided so as to project from the upper end of the recess 17 of the lower cover 10c. This shaft 16
When viewed from above in FIG. 1, the end on the opening side is recessed 1
It is formed in a substantially U shape connected to the inner wall surface of 7. Here, the lateral piece of the shaft portion 16 is formed into a cylindrical shape, and the bearing portion 1
5 is a rotating shaft 16a fitted in the opening 15b.

2A and 2B, the shaft portion 16 and the bearing portion 1 are shown.
5 shows the state of being combined with 5. This coupling is performed by fitting the rotating shaft 16a into the opening 15b of the bearing portion 15. In this coupled state, the rotating shaft 16a is fitted into the semicircular recess of the opening 15b of the bearing portion 15, so that the lid body 14 once coupled cannot be easily removed. The lid 14 is opened from the state shown by the solid line in FIG. 2, that is, the state where the lid 14 is closed to the state shown by the chain double-dashed line in FIG. That is, the lid body 14 is rotated about the rotation shaft 16a of the shaft portion 16 to be opened and closed. When the lid 14 is rotated to the state indicated by the chain double-dashed line, the end portion of the end wall 14a of the lid 14 is moved to the recess 1
The state where the lid 14 abuts against the inner wall surface of the lid 7 and the lid 14 is opened is restricted to the two-dot chain line state in FIG.

FIG. 4 shows an external view of the timer with the lid 14 closed. Here, the lid 14 is provided with a latch piece 14b (see FIG. 5) protruding from the other end, which is shown in FIG.
It is inserted into the latch receiving hole 24 formed in the outer peripheral portion of the pressure roller 3 in a press-fitted state, and is kept closed by the elastic engagement between the latch piece 14b and the latch receiving hole 24. In this closed state, the end wall 14a of the lid body 14 closes the outer side portion of the recess 17, as shown by the solid line in FIG. That is,
The front surface of the lid 14 and the outer surface of the end wall 14a form a part of the outer shell.

According to the opening / closing structure of the lid 14 of this embodiment,
The bearing portion 15 and the shaft portion 16 include the lid 14 and the lower cover 10c.
Since it is integrally formed with the cover 14, there is an advantage that a pivotal mounting member such as a hinge is not required for mounting the lid 14. Further, since the bearing portion 15 and the shaft portion 16 are provided inside the end wall 14a, the bearing portion 15 and the shaft portion 16 are hidden by the end wall 14a and cannot be seen from the outside, and the appearance is good.

In the above description, the case of the lid 14 has been described, but the upper cover 10b may be attached to the body 10a so as to be openable and closable. (Embodiment 2) Another embodiment of the present invention will be described with reference to FIGS. The present embodiment is basically a timer including an opening / closing structure of the lid body 14 as described in the first embodiment.

By the way, like this type of timer,
In devices where operation settings are relatively difficult, it is often the case that operations or settings are performed while looking at the instruction manual. Therefore, the instruction manual had to be kept so as not to lose it. However, if the instruction manual is stored separately from the device, it is likely to be lost. Therefore, as a conventional timer for improving this point, a timer shown in FIG. 8 is provided. This timer is also basically
Similar to the first embodiment, an analog clock 11 for displaying the time is provided, and a notification sound (chime sound or melody) is displayed at the desired time.
Is provided and a function of controlling an external device is provided, and the setting unit 2 ′ sets the time and the like. This timer is equipped with a writable reading device 30, and once the operation setting is performed, the operation setting state is stored in a card such as a magnetic card, and when the same operation setting is performed next, the operation setting state is stored. The operation setting can be automatically performed only by inserting the card into the reading device 30.

In this timer, a storage unit 31 for storing the card or the instruction manual is provided below the reader 30 and the setting unit 2'to prevent the card and the instruction manual from being lost. There is. The front surface of the storage unit 31 is closed by a lid. However, when the storage unit 31 for storing the card and the instruction manual is provided like the above-mentioned timer, there is a problem that the external shape of the device unnecessarily increases.

Therefore, in the present embodiment, there is little risk of losing the instruction manual, which is an article necessary for the operation setting of the apparatus, and the above-mentioned instruction manual can be stored with little space. is there. That is, in this embodiment, the above-mentioned instruction manual and the like are stored in the lid 14. In addition, the following description will be given for the case where the article necessary for the operation setting of the apparatus is an instruction manual.

In this embodiment, as shown in FIG.
An accommodation recess 20 for accommodating the instruction manual 17 is formed on the back surface of the No. 4. Here, the lid body 14 has a peripheral wall including the end wall 14a formed along the outer peripheral edge, and both side walls gradually increase in height as they approach the end wall 14a. A semicircular take-out portion 20a is integrally provided at one end of the storage concave portion 20, and a finger is put into the take-out portion 20a to pry it,
The instruction manual 17 can be easily taken out from the storage recess 20.

By the way, the operation manual 17 is detached only by accommodating it in the accommodating recess 20, so that the detachment prevention plate 23 is provided to prevent the detachment. The fall prevention plate 23 is a flat plate having a pair of locking claws 23a projecting from both ends, and the locking claws 23a are formed in the inner surface of both side walls of the lid 14 to form a recess. The structure is such that it is inserted into 21 and fixed to the lid 14.

Here, for example, the fall prevention plate 23 may be formed of a flexible material such as synthetic resin, and can be attached and detached in a bent state. In addition, it is preferable to use a transparent plate as the fall prevention plate 18. That is, FIG.
With the lid 14 open as shown in,
This is so that it can be easily understood that is stored.

By storing the instruction manual on the apparatus side in this way, it is possible to reduce the risk of losing it as in the case where the instruction manual is stored individually. Moreover, the lid 14
By using the back of the above as the storage section for the instruction manual, the outer shape does not become large unlike the conventional case where the storage sections are individually formed. By the way, although the above description has explained the timer as an example, it is needless to say that the present invention can be applied to a device other than the timer.

[0028]

As described above, according to the first aspect of the present invention, the lid body in which at least the front surface and the outer surface of the end wall on the rotation mounting side constitutes a part of the outer shell is attached to the apparatus main body so as to be openable and closable. In the device, a bearing portion is integrally formed on the inner surface of the end wall of the lid body, a recess for accommodating the end wall is formed in the device main body, and a shaft portion that is rotatably fitted in the bearing portion is provided in the recess. The lid is attached to the main body of the device so that the lid can be opened and closed with the shaft as a fulcrum. Since it is formed integrally with the above, it is not necessary to separately provide a rotary mounting member. Further, since the bearing portion and the shaft portion are provided inside the end wall, the bearing portion and the shaft portion are hidden inside the lid body and cannot be seen from the outside when the lid body is closed, and the appearance is improved. .

According to the second aspect of the present invention, an accommodating portion for accommodating articles such as an instruction manual necessary for operation setting of the device is formed on the back side of the lid, and the articles accommodated in the accommodating portion are prevented from falling off. It has a detachable cap that can be detached and attached, and by forming a storage unit on the lid to store items necessary for operating settings of the device such as an instruction manual, separate storage units are provided at different locations. There is no problem that the shape becomes large as in the case. In addition, since an article such as an instruction manual necessary for the operation setting of the apparatus can be stored together with the apparatus, the risk of loss can be reduced as compared with the case where the article is stored separately.

[Brief description of drawings]

FIG. 1 is a partial perspective view of a main part of an embodiment of the present invention.

2 (a) and 2 (b) are cross-sectional views showing a combined state of the rotary mounting portions, respectively.

FIG. 3 is a perspective view showing an overall appearance of the above.

FIG. 4 is a perspective view showing an overall appearance of a state in which a lid is closed.

FIG. 5 is an exploded perspective view showing a structure of a lid body according to another embodiment.

FIG. 6 is a perspective view showing an overall appearance of the above.

FIG. 7 is a front view of a conventional timer with a cover open.

FIG. 8 is a front view of a timer having a conventional instruction manual storage unit.

[Explanation of symbols]

 10c Lower cover 14 Lid body 14a End wall 15 Bearing portion 16 Shaft portion 17 Recessed portion 20 Storage recessed portion 22 Instruction manual 23 Fall-out prevention plate

Claims (2)

[Claims] 1. In an apparatus in which a lid body, at least a front surface and an outer surface of an end wall of which is mounted on a rotation side, constitutes a part of an outer shell, is attached to a main body of the apparatus in an openable and closable manner, an inner surface of the end wall of the lid body. A bearing part is formed integrally with the device body, a recess for accommodating the end wall is formed in the main body of the device, and a shaft part that rotatably fits in the bearing part is projectingly provided in the recess part. An opening / closing structure for a lid, which is attached to the main body of the device so as to be openable / closable. 2. The lid body having the opening / closing structure according to claim 1, wherein a storage portion is formed on the back side of the lid body for containing articles necessary for operating and setting the apparatus, such as an instruction manual, A lid body comprising a detachable detachment prevention body for preventing detachment of an article stored in the storage portion.