JP2005041563A - Lid attaching structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a lid attaching structure whereby a lid disposed over an opening defined at the top of a housing can be opened or closed from both opposite sides of the opening and the lid can easily be detached. <P>SOLUTION: A lid hinge 18 includes: a rotating center pin 22 which extends in a direction perpendicular to the direction in which the lid 14 is opened or closed, and a movable pin 24 which is disposed parallel to the rotating center pin 22 with a specific distance between them. A housing hinge 16 includes: an introducing groove 20 which introduces the rotating center pin 22 and the movable pin 24 vertically, and has a contact part 20b defined in a particular part between two ends of the groove so that the rotating center pin 22 comes into contact with the part when the lid 14 is set on the housing 12; and a guide groove 24 which communicates with the introducing groove 20, is defined along the locus of the movable pin 24 moved when the lid 14 is opened or closed around the rotating center pin 22 as its axis, and restricts the position of the moved end of the movable pin 24. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a lid attachment structure, and more particularly, to a lid attachment structure for attaching a lid to an upper portion of a casing so that the lid can be opened and closed on one side and the other side.

As a conventional device in which a lid is provided on the upper portion of the housing, a device in which the lid is attached so as to be opened and closed by a hinge provided on one side edge of the housing opening is known (for example, Patent Document 1). However, in the above configuration, when the worker is on the side opposite to the opening side of the lid, it is necessary to wrap around to the opening side, so that there is a problem that the work is inefficient.
On the other hand, when the removable cover 104 is provided on the upper surface of the housing 102 as in the apparatus 100 shown in FIG. 6, it takes time to work because the cover must be removed every time work is performed, and the cover is removed. There is a problem that it is necessary to secure a place to store the lid so as not to get in the way.
JP-A-11-208699 Japanese Utility Model Publication No. 5-87182

  From this, in order to work efficiently, it was considered to attach lids that can be opened and closed from both sides of the opposite side edges of the upper surface of the opened casing. However, in the conventional both-side opening / closing mechanism (for example, see Patent Document 2), the mechanism is complicated and the lid cannot be easily removed from the housing. For this reason, the assembly of the apparatus is complicated, and if the cover cannot be easily removed, the apparatus may not be suitably adjusted or maintained.

  Therefore, the present invention has been made to solve these problems, and an object of the present invention is to open and close the lid provided on the upper surface of the opening of the housing from both sides of the opposite side edges of the opening. An object of the present invention is to provide a lid mounting structure that can be easily removed.

The present invention has the following configuration in order to achieve the above object.
That is, a lid mounting structure in which the upper surface opening of the casing is hinged to one side edge and the other side edge of the casing, and the lid is attached to the one side and the other side of the casing so as to be opened and closed. In each of the housing and the lid, a housing hinge portion and a lid hinge portion are provided, and the lid hinge portion includes a rotation center pin extending in a direction perpendicular to an opening / closing direction of the lid, and the rotation center pin, In parallel, a moving pin disposed at a predetermined distance is provided, and when the rotation center pin and the moving pin are introduced in the vertical direction into the housing hinge, and the lid is set on the housing An introduction groove provided in the middle of the contact portion with which the rotation center pin contacts, and a track of the moving pin that communicates with the introduction groove and moves when the lid is opened and closed with the rotation center pin as a rotation axis The moving end position of the moving pin provided along Characterized in that a guide groove is provided.
In addition, the housing | casing as used in the field of this invention does not mean the box body in which an apparatus etc. are incorporated, but is used by the concept also including the container, frame, etc. which accommodate things.

The rotation center pin may be a roller.
The moving pin is formed to have a smaller diameter than the rotation center pin, and the intermediate position is formed to be narrow so that the movement pin passes through the introduction groove and the rotation center pin comes into contact therewith. A contact portion is provided.

  According to the lid mounting structure of the present invention, with the above-described configuration, the lid can be opened and closed from both sides of the opposite side edge of the opening of the housing, and the lid can be easily removed. Play.

  Hereinafter, a lid mounting structure according to the present invention will be described in detail with reference to the accompanying drawings. In the present embodiment, an apparatus having a lid attached to the upper part of a housing will be described as an example of an object having a lid attachment structure according to the present invention.

FIG. 1 is a front view showing a configuration of a housing of the apparatus and a lid attached to an upper portion of the housing in the present embodiment.
The apparatus 10 according to the present embodiment includes a housing 12 whose upper surface is fully open, and a lid 14 formed in a shape in which an end edge abuts against an opening edge of the housing 12, and the lid 14 is a hinge portion. By 15a and 15b, it attaches with respect to the housing | casing 12 so that opening and closing and removal are possible.
The upper surface opening 12a of the housing 12 is formed such that opposing side edges provided with the hinge portions 15a and 15b are parallel to each other. In the present embodiment, the planar shape is provided in a rectangular shape. .

As shown in FIG. 1, the hinge portions 15 a and 15 b are provided on the outer surface of the casing hinge portion 16... Provided on the outer surface of the opposite side edge of the casing opening 12 a and the outer edge surface of the lid 14. The lid hinge portion 18 is provided.
The housing hinge portion 16... And the lid hinge portion 18... Are provided in total on the side edge on one side of the housing 12 and the lid 14, and a total of four are provided. At this time, the casing hinge portion 16 and the lid hinge portion 18 are formed to engage with each other.

FIG. 2 is an enlarged front view showing the housing hinge portion 16 of one hinge portion 15a of the housing 12 and the lid hinge portion 18 of the lid 14 shown in FIG.
2 (a) has an introduction groove 20 and a guide groove 21. The lid hinge part 18 shown in FIG. 2 (b) has a direction orthogonal to the opening / closing direction of the lid 14. In other words, a rotation center pin 22 extending in parallel with the side edge of the housing 12 and a moving pin 24 arranged in parallel with the rotation center pin 22 and spaced apart from each other by a predetermined distance are provided.

  The introduction groove 20 is formed in a groove shape in a direction perpendicular to the opening / closing direction of the lid 14 and is formed in a shape extending a predetermined distance vertically downward from the upper opening 20a. In the middle of the introduction groove 20, an abutting portion 20 b with which the rotation center pin 22 of the lid hinge portion 18 abuts is formed. The contact portion 20b is formed in a curved surface that follows the outer peripheral shape of the rotation center pin 22, and is lower than the width of the introduction groove 20 from the opening 20a to the contact portion 20b. The introduction groove 20 has a narrow width. Thereby, the moving pin 24 introduced from the opening 20a of the introduction groove 20 passes through the contact portion 20b, and the rotation center pin 22 contacts and is supported by the contact portion 20b.

  As shown in FIG. 1, the rotation center pin 22 in contact with the contact portion 20 b serves as a central axis for opening and closing when the lid 14 is opened and closed. Therefore, in the present embodiment, the rotation center pin 22 is formed of a roller so that the rotation center pin 22 does not rotate and the contact portion 20b is not worn when the lid 14 is opened and closed.

  As shown in FIG. 2, the moving pin 24 provided on the lid hinge portion 18 is formed to have a smaller diameter than the rotation center pin 22, and is positioned directly below the rotation center pin 22 when the lid 14 is attached to the housing 12. It is provided to do. The moving pin 24 is introduced from the opening 20a of the introduction groove 20, and when the rotation center pin 22 comes into contact with the contact part 20b of the introduction groove 20, the lowermost part 20c (however, the lowermost part 20c). It is provided so that it may be arrange | positioned in the position which does not contact | abut.

FIG. 3 is an enlarged front view showing a state in which the housing hinge 16 and the lid hinge 18 are engaged.
As shown in FIG. 3, the introduction groove 20 is provided with a guide groove 21 that is curved and extends from the lowermost part 20 c of the introduction groove 20 toward the housing 12 and communicates with the introduction groove 20. The guide groove 21 is formed in an arc shape along a locus along which the moving pin 24 moves when the lid 14 is opened and closed with the illustrated rotation center pin 22 as a central axis. The guide groove 21 is provided so as to prevent the housing hinge 16 and the lid hinge 18 from being disengaged by guiding the moving pin 24 when the lid 14 is opened and closed.
Further, as shown in FIG. 4, the end portion 21 a of the guide groove 21 serves as a stopper that restricts the moving range of the moving pin 24. For this reason, the maximum opening angle of the lid | cover 14 can be adjusted by setting the length of the guide groove 21 suitably at the time of manufacture.

  All of the four hinge portions 15... Provided in the housing 12 of the present embodiment are formed in the same configuration as described above. Thereby, as shown in FIG. 1, the lid 14 can be opened and closed with respect to the housing 12 from both sides, and the lid 14 can be easily removed. Below, attachment and opening / closing operation | movement of the lid | cover 14 is demonstrated based on FIG.

  As shown in FIGS. 1 (a) and 1 (b), when the lid 14 is set on the housing 12, the lid 14 is placed from above the housing 12 in accordance with the opening 12a of the housing 12. Then, the lid 14 is set by engaging the housing hinge 16 and the lid hinge 18. That is, by lowering the lid 14 from directly above the housing 12, the rotation center pin 22 and the moving pin 24 of the lid hinge portion 18 are introduced from the opening 20a of the introduction groove 20 opened in the vertical direction, and the housing When the opening 12a of the body 12 and the edge of the lid 14 are in contact, the contact portion 20b of the introduction groove 20 and the rotation center pin 22 are in contact with each other.

As shown in FIGS. 1 (c) and 1 (d), the lid 14 attached to the housing 12 is opened and closed from both sides of opposing side edges of the housing 12 provided with the hinge portions 15a and 15b. Can do.
That is, when the lid 14 is opened from the side where the one hinge portion 15a (the right side shown in FIG. 1) of the housing 12 is provided as shown in FIG. 1 (c), the hinge portion 15a is Since the lid hinge portion 18 moves in a substantially vertical direction with respect to the housing hinge portion 16, the rotation center pin 22 that has been in contact with the contact portion 20b of the introduction groove 20 is released. Further, the moving pin 24 also comes off without being caught because the introduction groove 20 below the contact portion 20b is formed slightly wider than the diameter of the moving pin 24. Thus, when the lid 14 is lifted from one side, the engagement of the one hinge portion 15a is easily released. And the rotation center pin 22 of the other hinge part 15b (left side shown in FIG. 1) facing one hinge part 15a becomes the central axis for opening and closing the cover 14, whereby the cover 14 can be opened and closed to one side. .

Contrary to the above, when the side on which the other hinge portion 15b is provided is lifted, the lid 14 can be opened and closed from the opposite side as shown in FIG. is there.
Further, by lifting the lid 14 directly above the housing 12, the rotation center pin 22 and the moving pin 24 are detached from the introduction groove 20, and the lid 14 can be easily removed as shown in FIG. Can do.
Further, during the opening / closing operation of the lid 14, the moving pin 24 of the hinge portion 15 on the opening / closing axis side enters the guide groove 21, so that the hinge portion 15 can be opened / closed without being disengaged.

  As described above, in the apparatus 10 of the present embodiment, the lid 14 attached to the housing 12 can be opened from both opposite side edges of the opening of the housing 12 and can be easily detached. Accordingly, the lid 14 can be opened from both sides of the apparatus 10 and the work can be performed, and the work can be performed by removing the lid 14 during the adjustment and maintenance of the apparatus.

In the present embodiment, two hinge portions are provided for one side of the opening of the housing 12, but one or three or more hinge portions may be provided.
Further, in the present embodiment, the introduction groove 20 is formed narrower below the contact portion 20b, the moving pin 24 formed with a smaller diameter than the rotation center pin 22 passes, and the rotation center pin 22 is in contact with the contact portion 20b. It is provided so that it may contact | abut. However, in the present invention, the form of the contact portion provided in the introduction groove is not limited to the above form. For example, it is possible to provide a projecting portion with which the rotation center pin abuts in the middle of the introduction groove, or only a part of the middle of the introduction groove forming the abutting portion may be formed narrow. In addition, the contact part as used in the field of this invention refers to the site | part provided so that it may contact | abut and support a rotation center pin in the middle of an introduction groove | channel.

It is a front view which shows the structure of the apparatus which is one Embodiment of the thing provided with the attachment structure of the lid concerning this invention. It is an enlarged front view which expands and shows the housing | casing hinge part and lid hinge part which are shown in FIG. It is an enlarged front view which shows the state which the housing | casing hinge part and cover hinge part shown in FIG. 2 engaged. It is an enlarged front view which shows the operation state of the housing hinge part and lid hinge part shown in FIG. It is an enlarged front view which shows the state which the cover hinge part shown in FIG. 1 remove | deviates from a housing | casing hinge part. It is a schematic perspective view which shows an example of the housing | casing which has the conventional lid | cover.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Apparatus 12 Case 14 Lid 15 Hinge part 16 Case hinge part 18 Cover hinge part 20 Introducing groove 21 Guide groove 22 Rotation center pin 24 Moving pin

Claims (3)

In the lid mounting structure in which the upper surface opening of the casing is hinge-engaged with one side edge and the other side edge of the casing, and the lid is attached to the one side and the other side of the casing so as to be openable and closable.
Each of the casing and the lid is provided with a casing hinge portion and a lid hinge portion,
The lid hinge portion is provided with a rotation center pin extending in a direction orthogonal to the opening and closing direction of the lid, and a movement pin arranged in parallel to the rotation center pin and spaced apart by a predetermined distance,
The casing hinge portion is provided with a contact portion in the middle of which the rotation center pin and the moving pin are introduced in the vertical direction and the rotation center pin contacts when the lid is set on the casing. An introduction groove, and a guide groove that communicates with the introduction groove and that is provided along a track of the movement pin that moves when the lid is opened and closed with the rotation center pin as a rotation axis, and that regulates a movement end position of the movement pin And a lid mounting structure characterized by that. The container with a lid according to claim 1, wherein the rotation center pin is a roller. The moving pin is formed with a smaller diameter than the rotation center pin,
3. The abutment portion having a narrow midway position is provided in the introduction groove so that the moving pin passes and the rotation center pin abuts. The lid mounting structure described.

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