JPH10117072A - Electronic unit casing - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a hinge mechanism which is facilitated and miniaturized, when a casing main body and a cover body can be opened/closed with the hinge mechanism. SOLUTION: The casing is provided with a casing main body 1, where a shaft insertion hole 25 is formed on a side in a direction parallel to an opening face, a shaft body 27 having a shaft part 28 which is inserted into the shaft insertion hole 25, so that it can freely turn and a screw hole 31 orthogonal to the shaft line of the shaft part 28 at an end part and a cover body 2, where an insertion hole 36 corresponding to the screw hole of the shaft body 27 is formed on the side. A screw 41 is inserted from the insertion hole 36 of the cover body 2 and it is screwed into the screw hole 31 of the shaft body 27. Thus, the cover body 2 is fitted to the casing main body 1, and the cover body 2 is turned with the shaft body 27 as a center in a state where the screw 1 is loosened so as to open/close them.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic equipment housing in which a housing body and a lid can be opened and closed by a hinge mechanism.

[0002] Electronic devices, communication devices, etc. (In this specification, these are simply referred to as electronic devices.)
Although various types of functional circuits are combined, they are housed in, for example, a strong metal-made sealed housing for protection from the external environment and careless operation.

[0003] Such an electronic device housing is installed and operated in various postures not only indoors but also on a high place such as a steel pole in an outdoor environment. To open and operate the interior.

[0004] The housing is generally composed of a housing main body and a lid, but when the lid is opened and closed with respect to the housing main body, the lid may come off from the housing main body for safety reasons. There are no considerations.

[0005]

2. Description of the Related Art Referring to a plan view of FIG. 19, a rear view of FIG. 20, and a side view of FIG. An electronic device and the like, which are composed of a housing body 1 to be formed and a lid 2 also having a box shape on the upper side and facing each other so as to face each other, are protected from the atmosphere of the outside world and from the outside. doing.

As shown in a partially broken cross section of the rear view of FIG. 20, a ridge 3 is formed around the opening surface of the housing body 1, and a concave portion is formed around the opening surface of the lid 2. A groove 4 is formed. A gasket 5 made of synthetic rubber is fitted into the concave groove 4 and is pressed in an appropriate state by the ridges 3 so that harmful gas, dust, rainwater and the like in the air do not enter both opening surfaces. I have.

The position of the lid 2 in the plane direction with respect to the housing body 1 is slightly larger than the allowable limit due to the margin of the fitting portion between the ridge 3 and the concave groove 4, but is much larger. Is set not to occur.

[0008] At the lower side of both side surfaces of the housing body 1, mounting legs 6 are projected at two places, and holes 7 for mounting bolts are provided. Although not shown, a waterproof connector for connecting a power supply and a waterproof connector for connecting a signal line, a control line, and the like are also provided to penetrate the side wall of the housing body 1.

Screw holes (not shown) are provided in the right and left sides of the front side of the housing body 1 at positions separated from each other at positions protruding outward from the side walls in a direction orthogonal to the opening surface. Are provided with screw holes (not shown) in the corresponding projecting portions 9, 9, and screw holes 11, 11 in the screw holes on the lid 2 side.
Is screwed and screwed into a screw hole on the housing body 1 side, and the lid 2 is fastened to the housing body 1 and attached.

Even if the screw 11 is loosened, the screw 11 in the projection 9 of the cover 2 is fitted with the neck of the screw 11 so that the screw 11 may fall off the cover 2. There is no.

As shown in the partial enlarged view of FIG. 22, the right and left sides of the rear side and the opening side of the housing body 1 project outwardly from the side walls at an interval 12 with a gap 12 therebetween. The projecting portion has a shaft insertion hole 14 penetrating in a direction parallel to the opening surface and the side wall surface.
Are formed.

As shown in FIG. 23, the shaft body 15 has a columnar shape, and has a screw hole 16 penetratingly provided at a central portion in the longitudinal direction orthogonal to the axis center. The screw holes 16 are fitted in the protrusions 13, and the screw holes 16 are located at the intervals 12.

A projection 18 is formed on the cover 2 at a position corresponding to the screw hole 16 of the shaft 15, and a screw insertion hole 19 is provided. A screw 21 is inserted into the screw insertion hole 19 and screwed into the screw hole 16 of the shaft 15.

By unscrewing the screw 11 on the front side and detaching it from the housing body 1 and unscrewing the screw 21 on the back side so that it is engaged without being pulled out from the shaft 15, the cover 2 is It is supported by the screw 21 around the center 15 and can be opened by being rotated in the rear side direction. That is, the hinge mechanism is configured by the protruding portion 13 of the housing body 1 and the shaft body 15.

The housing body 1 and the lid 2 are respectively
It is an integrally molded product of an aluminum alloy cast by a die casting method, which is excellent in corrosion resistance having a light weight, a strength and an anticorrosion function against an installation environment, and is subjected to surface treatment such as appropriate coating.

The screw parts such as the screws 11, 21 and the washer, and the shaft body 15 are made of stainless steel in view of strength and corrosion resistance.

[0017]

According to the above-described conventional electronic equipment housing, the screw portion of the screw 21 constituting the hinge mechanism is tightened and the cover 2 is supported. I need.

The diameter of the cylindrical body 15 having the same diameter and the cylindrical shape is the screw 2
The diameter cannot be made extremely thin because the length of the screw hole 16 for 1 is required in an appropriate amount. Shaft 15
The amount of protrusion of the protruding portion 13 of the housing main body 1 for inserting and supporting the same cannot be reduced because the strength must be ensured.

As described above, the amount of protrusion from the side wall is determined, and the size of the entire housing, that is, the installation area of the electronic device is required to be large. In view of the above-described conventional problems, the present invention includes a hinge mechanism that can reduce the installation area, or, if the area is the same as the conventional one, can increase the accommodation capacity of electronic devices, and can be simplified and reduced in size. Another object of the present invention is to provide an electronic device housing.

[0020]

Means for Solving the Problems A first means of the present invention for solving the above-mentioned problems is that a housing having a shaft insertion hole formed in a side surface in a direction parallel to an opening surface. A body having a shaft portion rotatably inserted into the shaft insertion hole and a screw hole at the end perpendicular to the axis of the shaft portion; and a side surface corresponding to the screw hole of the shaft body. And a cover having a screw insertion hole formed therein.The cover is attached to the housing body by inserting a screw from the screw insertion hole of the cover and screwing into the screw hole of the shaft, and loosening the screw. This is an electronic device housing that can be opened and closed by rotating a lid around a shaft.

According to the first means, since the shaft body and the screw hole are different from each other in the region, the shaft portion can be made as thin as possible to guarantee the strength. It is individually possible to increase the strength of the screw, i.e., the length of the threaded portion.

Therefore, the projecting portion of the housing body into which the shaft portion is fitted can be reduced to the minimum necessary amount, so that the overall size can be reduced. The size of the portion forming the screw hole of the shaft body is set to the length required for the threaded portion, and the radius of rotation due to the rotation of the shaft body can be reduced by eliminating the additional portion. The influence on the housing body can be reduced.

The second means includes a housing body having first and second shaft insertion holes formed on the same axis, separated from each other in a direction parallel to the opening surface on the side surface, and pivoting to the shaft insertion holes. A shaft body having a shaft portion freely inserted and a screw hole at the end portion orthogonal to the axis of the shaft portion, and a lid formed on a side surface with a screw insertion hole corresponding to the screw hole of the shaft body separated from each other. A screw is inserted from the screw insertion hole of the lid, and screwed into the screw hole of the shaft inserted into the first and second shaft insertion holes of the housing body with the shaft part being symmetrical. The electronic device housing can be opened and closed by rotating the lid around a shaft in a state where the cover is attached to the housing body with the screws loosened.

According to the second means, since the shaft body and the screw hole are different from each other in the region, the shaft portion can be made as thin as possible to guarantee the strength. It is individually possible to increase the strength of the screw, i.e., the length of the threaded portion.

Therefore, the projection of the housing main body into which the shaft is fitted can be reduced to the minimum necessary amount, so that the overall size can be reduced. The size of the portion forming the screw hole of the shaft body is set to the length required for the threaded portion, and the radius of rotation due to the rotation of the shaft body can be reduced by eliminating the additional portion. The influence on the housing body can be reduced. By symmetrically disposing the shaft portions of the pair of shaft members with respect to the first and second shaft insertion holes so that the shaft portions face or separate from each other, the cover member is opened when the cover member is opened. It will not come off the body.

The third means includes a housing body having a shaft insertion hole formed in a side surface in a direction parallel to the opening surface; a shaft portion rotatably inserted into the shaft insertion hole; A lid having a shaft having a screw hole orthogonal to the axis of the portion, a screw insertion hole corresponding to the screw hole of the shaft, and an arm extending to an end face of the shaft insertion hole of the housing body. The cover is attached to the housing body by inserting a screw from the screw insertion hole of the cover and screwing it into the screw hole of the shaft, and the cover is centered on the shaft with the screw loosened. An electronic device housing that can be opened and closed by rotating, and that prevents the shaft body from coming out of the shaft insertion hole by the arm portion.

According to the third means, since the shaft body and the region of the screw hole are different from each other, the shaft portion can be made as thin as possible to guarantee the strength. It is individually possible to increase the strength of the screw, i.e., the length of the threaded portion.

Therefore, the protrusion of the housing main body into which the shaft is fitted can be reduced to the minimum necessary amount, so that the overall size can be reduced. The size of the portion forming the screw hole of the shaft body is set to the length required for the threaded portion, and the radius of rotation due to the rotation of the shaft body can be reduced by eliminating the additional portion. The influence on the housing body can be reduced.

When the arm is in contact with the end face of the shaft insertion hole of the housing body, the cover is prevented from moving in the direction in which the shaft comes off. Since the housing body is maintained in the open position, the hinge function can be achieved by itself without the lid body coming off or rotating around the screw.

The fourth means includes a housing body having a shaft insertion hole and a groove for bisecting the shaft insertion hole formed in a side surface in a direction parallel to the opening surface, a through hole and the through hole in the axial direction. A shaft body having a screw hole perpendicular to the axis as described above and rotatably inserted into the shaft insertion hole of the housing body, and a lid having a screw insertion hole formed on a side surface corresponding to the screw hole of the shaft body. Body, a screw with a length shorter than the diameter of the through hole of the shaft body at the tip, and a necked screw having a neck formed between the screw and the head,
A screw with a neck is inserted from the screw insertion hole of the lid, and the screw is screwed into the screw hole of the shaft in the groove of the housing body to attach the lid to the housing body. This is an electronic device housing that can be opened and closed by rotating a lid around the center.

According to the fourth means, the size cannot be reduced greatly. However, by setting the threaded portion of the screw with the neck to the position of the through hole of the shaft body, when the tightened state is loosened from the tightened state. Since the screw portion is positioned in the through hole, a sense of idling can be obtained, so that there is no need to perform any unnecessary loosening operation and it is not necessary to remove the screw carelessly.

If a tip guide portion having the same diameter as the neck portion is formed on the tip end side of the screw portion of the screw with the neck, the screw portion is easily guided into the screw hole of the shaft body when tightening again. Can be performed smoothly.

By increasing the length of the screw hole on the tightening side by setting the through hole of the shaft body at an eccentric position from the center. Alternatively, it is possible to increase the diameter of the through hole and set an extra allowance in the length direction of the screw portion.

Fifth means is a housing body having a shaft insertion hole formed on the same axis at a side surface with an interval in a direction parallel to the opening surface, and a shaft rotatably inserted into the shaft insertion hole. A shaft body having a portion and a screw portion formed at one end of the shaft portion, a pair of first screw holes formed coaxially from both side ends, and a middle portion between the first screw holes in a direction orthogonal to the shaft portion. A screw fitting having a second screw hole formed therein, and a lid having a screw insertion hole corresponding to the second screw hole of the screw fitting formed on a side surface, and a shaft insertion of the housing main body. The shaft is inserted into the shaft insertion hole from both sides of the screw fitting located between the holes, the screw portion of the shaft is screwed into the first screw hole of the screw fitting, and the screw is inserted from the screw insertion hole of the lid. The cover is attached to the housing body by inserting and screwing into the second screw hole of the screw fitting, and the cover is centered on the shaft with the screws loosened. An electronic device housing which can open and close by movement.

According to the fifth means, since the screw and the shaft are separate from each other, the size of the screw can be reduced to a minimum necessary size. Also, by minimizing the diameter of the shaft part,
The protrusion formed with the shaft insertion hole of the housing body can be significantly reduced in size.

The sixth means includes a housing body having a screw hole formed on the same axis on a side surface with an interval in a direction parallel to the opening surface, and a screw portion screwed into the screw hole of the housing body. A shaft body having a shaft portion formed at the tip, a shaft insertion hole formed on the same shaft from both side ends, and a screw hole formed in a middle portion of the shaft insertion hole in a direction perpendicular to the shaft body insertion hole. A screw fitting, and a lid formed with a screw insertion hole corresponding to the screw hole of the screw fitting on the side surface, and the housing body from both sides of the screw fitting positioned between the screw holes of the housing body. Screw the screw part of the shaft into the screw hole, insert the shaft part at the tip into the shaft part insertion hole of the screw fitting, insert a screw from the screw insertion hole of the lid, and screw it into the screw hole of the screw fitting, and the lid is An electronic device that can be attached to the housing body and opened and closed by rotating the lid around the shaft with the screws loosened A casing.

According to the sixth means, the screw fitting can be sized according to the shaft inserted from both sides, so that the screw fitting can be made as small as possible. Since the screw part of the shaft screwed into the housing body side is also small in diameter, the protrusion part where the screw hole of the housing body is formed can also be handled with a small size, so the protrusion amount is small. And miniaturization is possible.

The seventh means is a housing body having a shaft insertion hole formed on a side surface in a direction parallel to the opening surface and a groove portion bisecting the shaft insertion hole, and a screw hole in the middle in a direction perpendicular to the axis. A shaft body formed and rotatably inserted into a shaft insertion hole of the housing body; and a lid body having a screw insertion hole corresponding to a screw hole of the shaft body formed on a side surface; Insert the shaft into the shaft insertion hole of the main body, insert a screw from the screw insertion hole of the lid, and screw the screw into the screw hole of the shaft inside the groove of the housing main body, attach the lid to the housing main body, and screw The cover can be opened and closed by rotating the lid about the shaft in a state where the screw is loosened, and the notch that allows the screw to move in the axial direction of the shaft insertion hole of the housing body in the open position is provided in the shaft insertion hole. Is an electronic device housing having an opening formed around it.

According to the seventh means, the size of the housing cannot be greatly reduced. However, when the cover is in the open position and the screw is engaged with the shaft, the area around the shaft insertion hole of the housing main body can be reduced. Can be removed along with the screw along with the screw, that is, the lid, from the housing body.

[0040]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a housing of an electronic apparatus according to the present invention. The same parts are denoted by the same reference numerals throughout the drawings.

FIG. 1 shows a rear view of the electronic apparatus housing of the present invention. Since each of the present inventions has a feature in the hinge mechanism of the housing, the housing side has the same configuration as in the related art, so the same reference numerals are assigned, and a plan view, a side view, and the like of the entire housing are provided. Is omitted.

The housing of the electronic equipment comprises a box body 1 having a box shape on the lower side in the figure and a lid 2 also having a box shape on the upper side.
The electronic devices installed in the internal space are shielded from the outside atmosphere by covering the openings so as to face each other.

As shown in the partially broken section, the housing body 1
A convex stripe 3 is formed around the opening surface of the cover 2, and a concave groove 4 is formed around the opening surface of the lid 2. A gasket 5 made of synthetic rubber is fitted into the groove 4,
, So that harmful gas, dust, rainwater, and the like in the air do not enter the opening surfaces.

The position of the lid 2 in the plane direction with respect to the housing body 1 is slightly larger than the allowable limit due to the margin of the fitting portion between the ridge 3 and the concave groove 4, but is much larger. Is set not to occur.

At the lower side of both side surfaces of the housing body 1, two mounting legs 6 project from each other, and holes 7 for mounting bolts are provided. Although not shown, a waterproof connector for connecting a power supply and a waterproof connector for connecting a signal line, a control line, and the like are also provided to penetrate the side wall of the housing body 1.

On the left and right sides of the front side of the housing body 1, FIG.
As shown in FIG. 22, screw holes are provided in the projecting portions 8, 8 projecting outward from the side walls at spaced positions, and screw holes are provided in a direction orthogonal to the opening surface, and the projecting portions 9, 9 is provided with a screw hole. Screws 11 with necks are screwed into the screw holes on the lid 2 side, and screwed into the screw holes on the housing body 1 side to tighten the lid body 2 to the housing body 1. Is installed.

Even if the screw 11 is loosened, the screw 11 in the projection 9 of the lid 2 is fitted with the neck of the screw 11 so that the screw 11 is detached from the lid 2. There is no.

As shown in a partially enlarged view of FIG. 2, the first and second shafts are inserted into the outside of the side wall in the direction parallel to the opening surface on the right and left sides of the rear side and the opening side of the housing body 1. Hole 25, 2
5 are provided on two same coaxial axes at spaced positions.

FIG. 2 shows the left side of FIG. 1, wherein FIG. 2 (a) shows the rear side and FIG. 2 (b) shows the side. The shaft body 27 is a three-sided view of FIG.
As shown in the plan view, the side view in FIG. (B), and the front view in FIG. (C), a small-diameter shaft portion 28 rotatably inserted into the shaft insertion hole 25 of the housing body 1 is provided. , Large body 29 at the end
The main body 29 has a screw hole 31 orthogonal to the axis of the shaft 28.

The lower surface of the main body 29 has a flat surface 3 at a position along the diameter of the shaft 28, as is well shown in the front view of FIG.
2 has been deleted. The boundary between the shaft portion 28 and the main body portion 29 is formed with a curved surface 33 to avoid stress concentration, and all corners are chamfered for safety.

Projections 35 projecting outward are provided at two places (FIG. 1) on the side surface of the lid 2, and screw insertion holes 36 are formed corresponding to the positions of the screw holes 31 of the shaft 27. I have. The assembling procedure involves inserting the shaft portions 28 of the pair of shaft members 27 into the first and second two shaft insertion holes 25 of the housing body 1 with the shaft portions 28 facing each other as shown in FIG. . As shown in FIG. 4A of the plan view of FIG. 4, the direction of the shaft portion 28 of the shaft body 27 is aligned with the shaft body insertion hole 25 of FIG. 4B, as shown in FIG. To be inserted.

At the opening end of the shaft insertion hole 25, a shaft 27
In order to avoid the curved surface 33 and to facilitate insertion,
Since the chamfer 37 is provided, it can be easily inserted.

When the cover 2 is positioned so as to cover the opening surface of the housing body 1, the position of the screw hole 31 of the shaft 27 and the position of the screw insertion hole 36 of the cover 2 correspond to each other. Lid 2
The screw 41 is inserted into the screw insertion hole 36 with the spring washer 42 and the flat washer 43 interposed therebetween, and is screwed into the screw hole 31 of the shaft 27 so that the screw tip protrudes from the flat surface 32. The head of the screw 41 has a well-known hexagonal hole and can be operated by a hexagon wrench as a tool.

The cover 2 is attached to the housing body with screws 41 in a tightened state. The screw 2 with a neck on the front side of the housing is similarly tightened, so that the lid 2 covers the opening surface of the housing main body 1 and shields it from the outside.

Since a not-shown groove is formed at the tip of the screw 41, an E-shaped retaining ring (E-ring) 45 is formed in this groove.
Insert. This state is shown in FIGS. As shown, an appropriate gap 46 is formed between the surface of the flat surface 32 of the main body 29 of the shaft 27 and the E-shaped retaining ring 45.

The distance 46 is a length necessary to loosen the screw 41 and also prevents the screw 41 from being pulled out due to excessive loosening. E-shaped retaining ring 4
From 5 the length of the thread at the tip is set to a minimum length that is not unnecessarily long.

FIG. 5A shows that the cover 2 is
It is shown in a state where it is clamped by. In FIG.
As described above, the screw 41 is loosened, and the E-shaped retaining ring 45 is shown in contact with the flat surface 32 of the shaft 27. In this state, the screw 11 with the neck on the front side of the lid 2 is loosened. The lid 2 is detached from the housing body 1, and the lid 2 is the shaft 2 of the shaft 27.
8 can be rotated clockwise about the housing 8 so that it can be opened and closed with respect to the housing body 1.

As is clear from the figures, especially from the side view,
The projecting amount of the projecting portion 26 of the housing body 1 is the
Since the size is set to be equal to that of the outer shape of No. 9 and does not require the size as in the related art, the size can be reduced.

As shown in FIG. 5B, when the lid 2 is opened, the tip of the screw 41 together with the shaft 27 approaches the side wall surface of the housing body 1. Since the tip portion is close to the flat surface 32 and is within the range of the rotation outer diameter of the main body portion 29 of the shaft body 27 indicated by the two-dot chain line, it does not contact the side wall surface of the housing main body 1.

In the present embodiment, as shown in FIG. 1, the main body 29 of the shaft 27 is located on both outer sides of the projecting portion 26 of the housing main body 1. It is, of course, possible to adopt a configuration in which the parts 28 are separated from each other, that is, the main body part 29 is approached and opposed. Even so, the lid 2 does not come off from the housing body 1 in the open posture.

The shaft body 27 is different from the body part 29 of the screw hole 31 in the area of the shaft part 28.
8 can be narrowed to the limit that guarantees strength,
It is individually possible to increase the strength of the screw hole 31, that is, the size of the screw portion to a sufficient length.

Therefore, the housing body 1 into which the shaft 28 is fitted.
Can be reduced to a necessary minimum amount, so that the whole can be reduced in size. Body part 29 of shaft 27
Is smaller than the length required for the threaded portion, and the flat portion 32 is formed without any additional portion, so that the turning radius due to the turning can be reduced, and the housing body 1 can be reduced. Can be eliminated.

The housing body 1 and the lid 2 are respectively
It is an integrally molded product of an aluminum alloy cast by a die casting method, which is excellent in corrosion resistance having a light weight, a strength and an anticorrosion function against an installation environment, and is subjected to surface treatment such as appropriate coating.

The screw members 42 and 43 such as the shaft 27, the screw 41 and the washer are made of stainless steel in view of strength and corrosion resistance. In the above embodiment,
The E-shaped retaining ring 45 is not always necessary,
The same applies to the following embodiments.

FIG. 6 is a three-view drawing of a shaft according to a second embodiment of the present invention, which is shown in a plan view of FIG. 6A, a side view of FIG. 6B, and a front view of FIG. It is. The shaft body 51 has a small-diameter shaft portion 52 rotatably inserted into the shaft insertion hole 25 of the housing body 1, a main body portion 53 having a rectangular shape in a side view at an end portion, and a shaft portion A screw hole 54 orthogonal to the axis of 52;
Having.

On the lower surface of the main body 53, the flat surface 55 on the short side of the rectangle and the outer circumference of the diameter of the shaft 52 coincide with each other. Also,
The boundary between the shaft 52 and the main body 53 is formed with a curved surface 56 for avoiding stress concentration, and all corners are chamfered for safety.

This shaft body 51 can be applied to the shaft body 27 shown in FIG. The shaft body 51 has the short side width of the main body 53 that can be reduced to an extreme state because the shaft body 27 is a processed product made of a round bar, whereas the shaft body 27 is a processed product made of a rectangular bar. The length can be set to a length corresponding to the length of the screw hole 54 that requires the side. According to mass production, it is easy to finish and passivate necessary parts as a forged product of stainless steel, and the amount of material used can be reduced.

FIG. 7 is a plan view of a third embodiment of the electronic device housing of the present invention. FIG. 8 is an enlarged view of a main part,
(A) shows the back side, and (b) shows the side surface. The basic configuration of the housing is the same as that of the housing of FIG. 1, but is relatively small in size. From such a thing,
The same components are denoted by the same reference numerals as in FIGS. 1 and 2,
A rear view, a side view, and the like of the entire housing are omitted.

The electronic equipment housing comprises a box-shaped housing body 1 on the lower side in the figure and a box-shaped lid 2 on the upper side.
The mutual opening surfaces are opposed to each other, and the electronic devices installed in the internal space are shielded and protected from the outside atmosphere.

Although not shown, as in the case described above, a ridge 3 is formed on the opening surface of the housing body 1, and a concave groove 4 is formed around the opening surface of the lid 2. A gasket 5 made of synthetic rubber is fitted into the concave groove 4 and is pressed in an appropriate state by the ridges 3 so that harmful gas, dust, rainwater and the like in the air do not enter both opening surfaces. I have.

The position of the lid 2 in the planar direction with respect to the housing body 1 is slightly larger than the allowable limit due to the margin of the fitting portion between the ridge 3 and the concave groove 4, but is much larger. Is set not to occur.

At the lower side of both side surfaces of the housing body 1, two mounting legs 6 project from each other, and holes 7 for mounting bolts are provided. Although not shown, a waterproof connector for connecting a power supply and a waterproof connector for connecting a signal line, a control line, and the like are also provided so as to penetrate the side wall.

On the front side and both side faces of the housing body 1, projecting portions 8 protruding outward from the side wall face are formed at the central portions, and screw holes are provided in a direction orthogonal to the opening face. The lid 2 is provided with a protrusion 9 at a position to be rubbed, and a screw hole in the protrusion 9.

A screw 11 with a neck is screwed into a screw hole of the lid 2, and a screw 2 is screwed into a screw hole of the housing body 1, and the lid 2 is fastened and attached. Even if the head screw 11 is loosened, the head screw 11 does not come off the cover 2 because the head of the head screw 11 is fitted to the screw in the protrusion 9 of the cover 2.

As shown in FIG. 8, a projecting portion having a shaft insertion hole 25 formed in a direction parallel to the opening surface on the outside of the side wall is formed at the central portion on the back side and the opening side of the housing body 1 as shown in FIG. 26
Is provided.

The shaft 27 is shown in FIG.
The shaft body 28 is inserted into the shaft insertion hole 25 of the housing body 1, a screw hole 31 penetrating the body part 29 at the end in the orthogonal direction, and a flat surface 32 below the body part 29.

A projection 35 is provided on the side surface of the lid 2 so as to protrude outward. A screw insertion hole 36 corresponding to the position of the screw hole 31 of the shaft 27 and a shaft insertion hole 25 of the housing body 1 are provided. And an arm portion 61 formed so as to approach and cover the right end face in the drawing of the protruding portion 26 formed as described above.

In the assembling procedure, the shaft portion 28 of the shaft body 27 is inserted into the shaft insertion hole 25 of the housing body 1 as shown in the figure. When the lid 2 is positioned so as to cover the opening surface of the housing body 1,
Position of screw hole 31 of shaft 27 and screw insertion hole 36 of lid 2
Of the screw insertion hole 3 of the lid 2
6, a screw 41 is inserted with a spring washer 42 and a flat washer 43 interposed, and is screwed into the screw hole 31 of the shaft body 27 to protrude from the flat surface 32. The head of the screw 41 has a well-known hexagonal hole, and can be operated with a hexagon wrench as a tool.

The cover 2 is attached to the housing body 1 with screws 41 in a tightened state. By similarly tightening the necked screws 11 on the front side and both sides of the housing, the lid 2 covers the opening surface of the housing main body 1 and is shielded from the outside.

Since a not-shown groove is formed at the end of the screw 41, an E-shaped retaining ring (E-ring) 45 is inserted into this groove. The plane 32 of the main body 29 of the shaft 27 and E
Appropriate space 46 as shown in the figure is provided between
Is formed.

The interval 46 is a length necessary for tightening the screw 41 and also prevents the screw 41 from being pulled out due to excessive loosening. The length of the thread at the tip from the E-type snap ring 45 is not longer than necessary.
It is set to a minimum length.

An end face of a main body 29 of a shaft 27 inserted into one surface is in contact with the protruding portion 26 of the housing main body 1.
The arm 61 extending from the lid 2 covers the other surface and is in contact with the approach position.

The screw 41 of the cover 2 is loosened, and the screws 11 with the necks on the front side and both side surfaces are loosened to be detached from the housing main body 1. 8B, a clockwise rotation can be performed about the portion 28 to set the open position so as to be openable and closable with respect to the housing body 1. This is the same as the operation and effect shown in FIG. 5B, and the size can be reduced without requiring the conventional size.

When the cover 2 is open, the arm 61 is in contact with the end surface of the protruding portion 26 of the housing body 1.
Rotation around the screw insertion hole 36 around the center 1 is prevented, and the open posture is maintained.

Since the arm 2 prevents the cover 2 from moving in the direction in which the shaft 27 comes off, the cover 2 does not come off in the open state. This is because the arm 61
Lid 2 shown in FIG. 9A in a side view from the side.
Can be easily understood from the tightened closed state and the open state shown in FIG. In other words, the tip of the arm 61 covers the center of rotation of the shaft 27 and rotates in unison.
Thus, according to the present embodiment, the hinge mechanism is one set,
The configuration is simple because of the above.

FIG. 10 is an enlarged view of a main part of a fourth embodiment of the electronic apparatus housing of the present invention, which is a partial cross-sectional view of a main part viewed from the back side. Also in the present embodiment, portions not shown of the housing body 1 and the lid 2 are the same as those in FIG. In FIG. 10, FIG. 10A shows a state in which the lid is closed by tightening screws, and FIG. 10B shows a state in which the screws are loosened and can be opened.

A projecting portion 6 having a shaft insertion hole 65 formed in a direction parallel to the opening surface on the opening surface side of the housing body 1 and outside the side wall.
6 is formed with a groove 67 that bisects the protruding portion 66 in a direction orthogonal to the axial direction of the shaft insertion hole 65.

The shaft body 68 rotatably inserted into the shaft insertion hole 65 is shown in three views of FIG. 11, a plan view of FIG. 11A, a side view of FIG. 11B, and a front view of FIG. As shown in the drawing, a through hole 69 is provided at the center in the axial direction, and the through hole 69 is provided.
And a screw hole 71 orthogonal to the axis.

The cover 2 is provided with a protrusion 35 on the side surface of the protrusion 66 of the housing body 1 at a position corresponding to the center of the shaft insertion hole 65 and the groove 67, and a screw insertion hole 36 is formed. ing.

The screws for attaching the cover 2 to the housing body 1 are as follows.
A head screw 74 and a shaft 68
A screw portion 75 having a length shorter than the diameter of the through hole 69, a neck portion 76 between the head portion 74 and the screw portion 75 corresponding to the thread diameter of the screw portion 75, and a neck portion 76 at the tip of the screw portion 75. And a guide portion 77 having the same diameter as the above.

The shaft body 68 is inserted into the shaft insertion hole 65 of the housing body 1, and with the opening of the housing body 1 covered with the cover end 2, the screw 73 with a neck is inserted through the screw insertion hole 36 of the cover body 2. Is inserted with a spring washer 42 and a flat washer 43 interposed therebetween, and a screw portion 75 is screwed into a screw hole 71 of a shaft 68 by a groove 67 of the housing main body 1, thereby fastening the lid 2 to the housing main body 1. Then, as shown in FIG.
With the screw portion 75 positioned in the through hole 69 of FIG. 8, the lid 2 can be rotated about the shaft 68 to open and close the housing body 1.

When the screw portion 75 of the screw 73 with the neck is positioned in the through hole 69 of the shaft 68, the guide portion 77 at the tip is positioned in the lower screw hole 71 as shown in FIG. As a result, the screw 73 with the neck and the shaft 68 are rotated in synchronization with each other, and when tightening, the screw portion 75 is guided into the screw hole 71 and can be easily fitted and screwed.

When the screw 73 is loosened, the screw 7
By reaching the inside of the through hole 69, a sense of idling can be obtained, and the screw 73 with the neck can be prevented from being removed from the shaft body 68 without further loosening operation.

FIG. 12 is an enlarged view of a main part of a fifth embodiment of the electronic apparatus housing according to the present invention, which is a partial cross-sectional view of a main part viewed from the back side. Also in this embodiment, as in the fourth embodiment, portions of the housing main body 1 and the lid 2 not shown are the same as those in FIG. FIG.
In FIG. 2, (a) is shown in a closed state where the lid is screwed closed, and (b) is shown in a state where the screw is loosened and can be opened.

A projecting portion 6 having a shaft insertion hole 65 formed in a direction parallel to the opening surface on the opening side of the housing body 1 and outside the side wall.
6 is formed with a groove 67 that bisects the protruding portion 66 in a direction orthogonal to the axial direction of the shaft insertion hole 65.

The shaft body 81 rotatably inserted into the shaft insertion hole 65 is shown in three views of FIG. 13, a plan view of FIG. 13A, a side view of FIG. 13B, and a front view of FIG. As shown in the figure, the position is eccentric from the center in the axial direction, that is, the through-hole 82 is eccentric upward as shown best in FIG. And orthogonal screw holes 83.

The lid 2 is provided with a protrusion 35 on the side surface of the protrusion 66 of the housing body 1 at a position corresponding to the center of the shaft insertion hole 65 and the groove 67, and a screw insertion hole 36 is formed. ing.

The screws for attaching the cover 2 to the housing body 1 are as follows.
A head screw 86 and a shaft 81
A screw portion 87 having a length shorter than the diameter of the through hole 82, a neck portion 88 between the head portion 86 and the screw portion 87 corresponding to the thread diameter of the screw portion 87, and a neck portion 88 at the tip of the screw portion 87. And a guide portion 89 having the same diameter as the above.

With the shaft 81 inserted into the shaft insertion hole 65 of the housing body 1 and the opening of the housing body 1 covered with the cover 2, the screw 85 with a neck is inserted through the screw insertion hole 36 of the cover 2. Is inserted with the spring washer 42 and the flat washer 43 interposed therebetween, and the screw portion 87 is screwed into the screw hole 83 of the shaft 81 with the groove 67 of the housing main body 1, thereby tightening the lid 2 to the housing main body 1. To the shaft body 8 as shown in FIG.
With the screw portion 87 positioned in the through hole 82, the lid 2 can be rotated about the shaft 81 to open and close the housing body 1.

When the screw portion 87 of the screw with neck 85 is located in the through hole 82 of the shaft 81, the guide portion 89 at the tip is located in the lower screw hole 83 as shown in FIG. Therefore, the necked screw 85 and the shaft body 81 are rotated in synchronization with each other, and when tightening, the screw portion 87 is guided into the screw hole 83 and can be easily fitted and screwed.

When the screw 85 with the neck is loosened, the screw 8
By the fact that 7 reaches the inside of the through hole 82, a sense of idling is obtained, and the screw with neck 85 is prevented from being removed from the shaft body 81 without further loosening operation.

In the present embodiment, it is essential that the eccentric position of the through hole 82 of the shaft body 81 be on the head 86 side of the screw 85 with a neck. By doing so, the length of the screw portion 83 on the lower side of the shaft body 81 required for tightening can be made sufficient, and at the same time, the length of the screw portion 87 of the screw 85 with a neck is also increased. be able to.

The screw portion 87 of the screw 85 with the neck of the shaft body 81
The length of the upper screw hole 83 that contributes to preventing the screw from coming off does not require strength, and can be made the minimum length by the eccentricity of the through hole 82.

The screw part 87 of the screw 85 with the neck of the shaft body 81
The length of the lower screw hole 83 contributing to the tightening of the screw and the length of the threaded portion 87 of the necked screw 85 can be shortened if the required strength is ensured.
Can be reduced in size, so that it is possible to reduce the size of the protruding portion 66 and downsize the entire housing.

FIG. 14A is an enlarged view of a main part of the sixth embodiment of the electronic apparatus casing of the present invention as viewed from the rear side. Also in the present embodiment, the housing body 1 and the lid 2
The parts not shown are the same as those in FIG.
Illustration is omitted.

A projecting portion 9 having a shaft insertion hole 91 formed in a direction parallel to the opening surface on the opening surface side of the housing body 1 and outside the side wall.
2 are formed in a pair on the same axis at an interval 93 in the axial direction.

The shaft body 95 rotatably inserted into the shaft insertion hole 91 has a shaft portion 96 and a shaft portion 96 as shown in the side view of FIG. A screw portion 97 is formed at one end of the portion 96, and a hexagonal hole 98 is formed at an end portion of the shaft portion.

The screw fitting 101 arranged at the interval 93 between the projecting portions 92 of the housing body 1 is, as shown in FIG.
First screw holes 102 formed coaxially from both ends
And a second screw hole 103 formed in an intermediate portion of the first screw hole 102 in a direction orthogonal to the axis.

The lid 2 has a pair of projecting portions 9 of the housing body 1.
2 and the center of the shaft insertion hole 91, a protrusion 35 is provided on the side surface at a position corresponding to the portion.
6 are formed.

The screw fitting 101 is positioned within the space 93 between the shaft insertion holes 91 of the housing body 1 so that a pair of shaft insertion holes 91 are formed.
A shaft 95 is inserted into each side from both sides, and a screw fitting 101 is inserted.
The screw portion 97 is screwed into the first screw hole 102 with a hexagonal wrench and firmly tightened. Or
A lock material such as a known anaerobic adhesive is applied and screwed and fixed.

With the opening of the housing body 1 covered with the lid 2, a screw 105 is inserted from the screw insertion hole 36 of the lid 2 with the spring washer 42 and the flat washer 43 interposed therebetween.
1 and screwed into the second screw hole 103 to tighten the lid 2
Is attached to the housing body 1.

With the screw 105 loosened, the screw fitting 10
The cover 2 can be rotated about the shaft 95 together with the screw fitting 101 to open and close the housing main body 1 without being removed from the housing 1.

According to the present embodiment, since the screw fitting 101 and the shaft body 95 are separate from each other, the outer shape of the screw fitting 101 is defined by the first screw hole 102, the second screw hole 103,
Can be reduced to the necessary minimum.

Since the shaft portion 96 of the shaft body 95 may be slightly larger than the diameter of the screw portion 97, the size of the projecting portion 92 formed with the shaft insertion hole 91 of the housing body 1 is reduced. The size can be significantly reduced, and the outer shape of the housing can be reduced.

The external shape of the screw fitting 101 is not limited to a circle, but may be a square, especially a rectangle having a long side in the direction of the second screw hole 103, and the first screw hole 102.
By setting the position as an eccentric position, the size can be further reduced.

FIG. 15A is an enlarged view of a main portion of the seventh embodiment of the electronic device casing of the present invention as viewed from the rear side. Also in the present embodiment, the housing body 1 and the lid 2
The parts not shown are the same as those in FIG.
Illustration is omitted.

The projecting portion 1 in which the screw hole 111 is formed on the opening side of the housing body 1 and outside the side wall in a direction parallel to the opening surface.
12 are formed in pairs on the same axis at intervals 113 in the axial direction.

The shaft body 11 screwed into the screw hole 111
5 includes a head 116 having a hexagonal hole (not shown) formed on an end face, an intermediate screw portion 117, and a shaft portion 118 at the tip end, as shown in the side view of FIG. Shaft 118
Is set to be equal to or smaller than the root diameter of the thread of the thread portion 117.

As shown in the side view of FIG. (B) and the front view of FIG. (C), the screw fittings 121 arranged within the interval 113 of the projecting portion 112 of the housing body 1 are the same from both ends. A shaft portion 118 insertion hole 122 of the shaft body 115 is provided on the shaft, and a screw hole 123 formed in a middle portion of the shaft portion insertion hole 122 in a direction orthogonal to the axis.

The lid 2 is provided with a pair of projections 11 of the housing body 1.
2 and on the center line of the screw hole 111, a protrusion 35 is provided on a side surface at a position corresponding to the portion.
6 are formed.

The screw fitting 121 is positioned within the space 113 between the projecting portions 112 of the housing body 1 so that the pair of screw holes 111 is formed.
The shaft 115 is inserted from both sides with the spring washer 42 and the flat washer 43 interposed therebetween, and the screw 117 is screwed in using a hexagonal wrench, and the shaft 118 at the tip is inserted into the screw 121. The shaft 115 is fixed to the protruding portion 112 by inserting it into the hole 122 and tightening the screw strongly.

With the opening of the housing body 1 covered with the lid 2, a screw 105 is inserted from the screw insertion hole 36 of the lid 2 with the spring washer 42 and the flat washer 43 interposed therebetween.
The cover 2 is attached to the housing body 1 by screwing it into the screw hole 123 of the first case and tightening it.

With the screw 105 loosened, the screw fitting 12
The lid 2 can be rotated about the shaft 115 together with the screw fitting 121 to open and close the housing main body 1 without being removed from the housing 1.

According to the present embodiment, since the screw fitting 121 and the shaft body 115 are separate bodies, the screw fitting 121
Can be reduced to the necessary minimum size in accordance with the size of the screw hole 123.

The screw 117 of the shaft 115 is connected to the shaft 118
Therefore, the size of the protruding portion 112 of the housing body 1 can be significantly reduced, and the outer shape of the housing can be reduced.

Since the screw hole 123 is stopped before the screw hole 123 without penetrating the shaft insertion hole 122 of the screw fitting 121, the effective length of the screw hole 123 can be increased by the length of the shaft insertion hole 122. The outer shape of 121 can be further reduced.

The external shape of the screw fitting 121 is not limited to a circle, but is rectangular, in particular, a rectangle having a long side in the direction of the screw hole 123, and the position of the shaft insertion hole 122 is set as an eccentric position. , Etc., can be further downsized.

FIG. 16 is an enlarged view of an essential part of an eighth embodiment of the electronic device housing of the present invention. FIG. 16 (a) is a rear view, and FIG. 16 (b) is a left side view of FIG. A side view is shown. Also in the present embodiment, the housing body 1 and the lid 2
Are not shown because they are the same as those in FIG.

The projection 132 having the shaft insertion hole 131 formed in the direction parallel to the opening on the opening side of the housing main body 1 and outside the side wall is arranged so that the projection 132 is perpendicular to the axial direction of the shaft insertion hole 131. The groove 133 is divided into two.

As shown in the side view of only the housing main body 1 in FIG. 18A, the protrusion 132 on the left side of the drawing has a notch of a width through which a screw portion described later can pass below the drawing. 13
4 are formed.

The shaft 135 that is rotatably inserted into the shaft insertion hole 131 has a cylindrical shape, and has a screw hole 136 formed in the middle of the axial direction in a direction perpendicular to the axis. The cover 2 has a shaft insertion hole 131 formed in the protrusion 132 of the housing body 1.
A protrusion 35 is provided on the side surface at a position corresponding to the center of the groove 133 and the groove 133, and a screw insertion hole 36 is formed.

The shaft 135 is inserted into the shaft insertion hole 131 of the housing body 1.
Is inserted, and a screw 105 is inserted from the screw insertion hole 36 of the lid 2 with the spring washer 42 and the flat washer 43 interposed therebetween, with the opening of the housing body 1 covered with the lid 2. By screwing into the screw hole 136 of the shaft 135 with the groove 133 of the main body 1, the lid 2 is fastened and attached to the housing main body 1.
The cover 2 can be opened and closed with respect to the housing body 1 by loosening the cover 05 and rotating the cover 2 about the shaft 135 in the clockwise direction in FIG.

FIG. 17 shows a state where the cover 2 is opened by being rotated about 180 °. Similarly, FIG. 7A shows the back side, and FIG. To rotate, screw 105
Can be performed along the inside of the groove 133 between the protruding portions 132 of the housing body 1.

As is well shown in FIG.
5 is a notch 13 on the lower side of the projection 132.
4 is located. In this state, the shaft 135 can be easily pulled out and taken out from the shaft insertion hole 131 of the protrusion 132 by moving the shaft 135 to the near side of the paper surface, that is, to the left side in FIG. That is, the lid 2 can be removed from the housing body 1.

The notch 134 of the projection 132, which is a pair of hinge mechanisms (not shown) of the housing body 1, is also in the same direction.
It will be easily understood that the attachment of the lid 2 to the housing body 1 can be easily performed by a procedure reverse to the removal procedure. As described above, the lid 2 can be attached to and detached from the housing main body 1 only at the position shown in FIG. 17, and cannot be carried out at other positions. Because it is limited to only one direction, it cannot be accidentally detached or removed.

FIG. 17 (b) shows a modification in which the notch 134 of the projecting portion 132 of the housing body 1 is
32, the lid 2 can be attached to and detached from the housing body 1 in any direction.

In a further modification of such an embodiment, the position of the notch 134 is not the same position but different angle positions with respect to the projecting portions 132 on the left and right sides of the pair. In particular, when mounting, the screw 105
This is advantageous because the screw portion 135 can be reliably positioned in the groove portion 134.

[0138]

As described in detail above, according to the electronic device housing of the present invention, first, a housing main body having a shaft insertion hole formed in a side surface in a direction parallel to the opening surface, and this housing A shaft having a shaft rotatably inserted into a shaft insertion hole of the main body, a screw hole at an end of the shaft, and a screw hole orthogonal to the axis of the shaft, and a screw corresponding to the screw hole of the shaft on the side surface. The cover is attached to the housing body by inserting a screw from the screw insertion hole of the cover and screwing it into the screw hole of the shaft, and the shaft is loosened. An electronic device housing that can be opened and closed by rotating a lid around a body.

With such a configuration, the shaft portion and the screw portion of the shaft body are different from each other, so that the shaft portion can be thinned to the strength limit, and the screw hole portion has a size corresponding to the size of the screw hole. The length can be set appropriately.

The size of the entire housing can be reduced by making the projection forming the shaft insertion hole of the housing main body into which the shaft is fitted the minimum necessary size. By removing the unnecessary portion of the screw hole forming portion of the shaft body, the turning radius due to the turning of the shaft body can be reduced.

Second, the housing body having the first and second shaft insertion holes formed on the same axis and separated from each other in a direction parallel to the opening surface on the side surface, and the shaft insertion hole of the housing body. A shaft body having a shaft part rotatably inserted and a screw hole orthogonal to the axis of the shaft part at an end of the shaft part, and a screw insertion hole corresponding to the screw hole of the shaft body on the side surface are separated. And a screw formed from a screw insertion hole of the cover, and inserted into the first and second shaft insertion holes of the housing body with the shaft portion being symmetrically oriented in the screw hole of the shaft. This is an electronic device housing that can be opened and closed by rotating the lid around a shaft in a state where the lid is attached to the housing body by screwing in and the screw is loosened.

With such a configuration, the shaft portion and the screw portion are separate from each other, so that the shaft portion can be made as thin as possible to the strength limit, and the screw hole portion has a size corresponding to the size of the screw hole. The length can be set appropriately.

The size of the entire housing can be reduced by making the protrusion forming the shaft insertion hole of the housing body into which the shaft is fitted the minimum necessary size. By removing the unnecessary portion of the screw hole forming portion of the shaft body, the turning radius due to the turning of the shaft body can be reduced.

The lid is opened by symmetrically disposing the shafts of the pair of shafts with respect to the first and second shaft insertion holes such that the shafts of the pair of shafts face each other or separate from each other. Also, the lid does not come off the housing body.

Third, a housing body having a shaft insertion hole formed in a side surface in a direction parallel to the opening surface, a shaft portion rotatably inserted into the shaft insertion hole of the housing body, and this shaft portion. A shaft body having a screw hole orthogonal to the axis of the shaft portion at an end of the shaft body, a screw insertion hole corresponding to the screw hole of the shaft body on the side surface, and an arm portion extending to the end face of the shaft insertion hole of the housing body are formed. The cover is attached to the housing body by inserting a screw from the screw insertion hole of the cover and screwing it into the screw hole of the shaft, and the cover is centered on the shaft with the screw loosened You can open and close by rotating your body,
An electronic device housing in which an arm prevents a shaft from coming out of a shaft insertion hole.

With this configuration, the shaft portion and the screw portion of the shaft body are different from each other, so that the shaft portion can be made as thin as the strength limit, and the screw hole portion has a size corresponding to the size of the screw hole. The length can be set appropriately.

The size of the whole housing can be reduced by making the protrusion forming the shaft insertion hole of the housing main body into which the shaft is fitted the minimum necessary size. By removing the unnecessary portion of the screw hole forming portion of the shaft body, the turning radius due to the turning of the shaft body can be reduced.

Since the arm contacts the end face of the shaft insertion hole of the housing main body, the lid is prevented from moving in the direction in which the shaft comes off. Therefore, when the lid is open, the lid is attached to the housing main body. Since the lid is kept open and the lid does not come off or rotate around the screw, the hinge function can be achieved by itself.

Fourthly, a housing body having a shaft insertion hole formed in a side surface in a direction parallel to the opening surface and a groove portion bisecting the shaft insertion hole, a through hole in the axial direction, and an axis passing through the through hole. A shaft body having a screw hole orthogonal to the shaft and rotatably inserted into the shaft insertion hole of the housing body; a lid having a screw insertion hole corresponding to the screw hole of the shaft body formed on a side surface; A screw having a length shorter than the diameter of the through hole of the shaft body, and a necked screw having a neck formed between the screwed portion and the head. Is inserted and screwed into the screw hole of the shaft body in the groove of the housing body, the lid is attached to the housing body, and the lid is rotated around the shaft with the neck screw loosened, and opened and closed This is the electronic device housing that can be obtained.

With such a configuration, it is not possible to greatly reduce the size of the housing. However, by setting the threaded portion of the screw with the neck to the position of the through hole of the shaft, it is possible to reduce the tightened state to the loosened state. At this time, a feeling that the screw portion is located in the through hole and idles is obtained, and no further loosening operation is performed, so that the screw is prevented from being loosened excessively and removed.

By forming a distal end guide portion having the same diameter as the neck portion on the distal end side of the screw portion of the screw with a neck, the screw portion is securely guided in the screw hole of the shaft when tightening, and the tightening operation is performed. Can be performed smoothly and easily.

By setting the through hole of the shaft body at an eccentric position from the center, the length of the screw on the tightening side can be increased. Alternatively, it is possible to increase the diameter of the through hole and set an extra allowance in the length direction of the screw portion.

Fifthly, a housing body having a shaft insertion hole formed on the same axis with an interval in a direction parallel to the opening surface on the side surface, and rotatably inserted into the shaft insertion hole of the housing body. A shaft having a shaft portion and a screw portion formed at one end of the shaft portion, a pair of first screw holes formed on the same axis from both side ends, and an orthogonal direction between the first screw holes. A screw fitting having a second screw hole formed in the housing, and a lid having a screw insertion hole corresponding to the second screw hole of the screw fitting formed on a side surface, and a shaft insertion hole of the housing body. The shaft is inserted into the shaft insertion hole from both sides of the screw fitting located between the first and second screw fittings.
Screwing the screw portion of the shaft into the screw hole of, inserting the screw through the screw insertion hole of the lid and screwing it into the second screw hole of the screw fitting to attach the lid to the housing body and loosening the screw The electronic device housing can be opened and closed by rotating the lid around the shaft.

With such a configuration, the screw fitting and the shaft body are separate bodies, and the size of the screw fitting can be set to the minimum necessary size. Also with respect to the shaft body screwed from both sides, the diameter of the shaft portion is set to the minimum diameter, so that the protrusion in which the shaft insertion hole of the housing body is formed can be significantly reduced in size.

Sixth, a housing body having a screw insertion hole formed on the same axis on the side surface with an interval in a direction parallel to the opening surface, and a tip of a screw portion to be screwed into the screw hole of the housing body. A screw member having a shaft formed with a shaft portion, a shaft insertion hole formed on the same shaft from both side ends, and a screw hole formed in a middle portion of the shaft insertion hole in a direction orthogonal to the shaft body. And a lid having a screw insertion hole corresponding to the screw hole of the screw fitting formed on the side surface, and a shaft is attached to the screw hole of the housing body from both sides of the screw fitting positioned between the screw holes of the housing body. Screw in the thread of the body, insert the tip of the shaft into the shaft insertion hole of the screw fitting,
Insert the screw from the screw insertion hole of the lid, screw it into the screw hole of the screw bracket, attach the lid to the housing body, rotate the lid around the shaft with the screw loosened, and open and close it It is an electronic device housing to be obtained.

With such a configuration, the screw fitting can be sized according to the shaft inserted from both sides, so that the screw fitting can be made as small as possible. Since the screw portion of the shaft screwed into the housing main body side can also have a small diameter, the protrusion formed with the screw hole of the housing main body can also have a small size, and the size can be reduced.

Seventh, a housing body having a shaft insertion hole formed on the side surface in a direction parallel to the opening surface and a groove portion bisecting the shaft insertion hole, and a screw hole formed in the middle in a direction perpendicular to the axis. A shaft body rotatably inserted into the shaft insertion hole of the housing body, and a lid having a screw insertion hole corresponding to the screw hole of the shaft body formed on a side surface, and the shaft insertion hole of the housing body. Insert the shaft into
A screw is inserted from the screw insertion hole of the lid, and screwed into the screw hole of the shaft inside the groove of the housing main body, the lid is attached to the housing main body, and the cover is set around the shaft with the screw loosened. An electronic device housing in which a notch that can be opened and closed by rotating the body and that can move a screw in the axial direction of the shaft insertion hole of the housing body in the open position is formed around the shaft insertion hole. It is.

With such a configuration, it is not possible to greatly reduce the size of the housing. However, with the lid being in the open position and the screw being engaged with the shaft, the shaft insertion hole of the housing main body can be formed. By adjusting to the surrounding cutout position, the shaft body, that is, the lid body can be removed from the housing body along with the screw along with the cutout.

As described above, according to the present invention, the practical effect of obtaining a hinge mechanism that can simplify and reduce the size of an electronic device housing is extremely significant.

[Brief description of the drawings]

FIG. 1 is a rear view of an electronic device housing of the present invention.

FIG. 2 is an enlarged view of a main part of the first embodiment of the electronic device housing of the present invention.

FIG. 3 is a shaft body according to the first embodiment of the present invention.

FIG. 4 shows a combination of a housing body and a shaft according to the first embodiment of the present invention.

FIG. 5 is an operation explanatory view of the first embodiment of the present invention.

FIG. 6 is a shaft according to a second embodiment of the present invention.

FIG. 7 is a plan view of an electronic device housing according to a third embodiment of the invention.

FIG. 8 is an enlarged view of a main part of an electronic device housing according to a third embodiment of the invention.

FIG. 9 is a side view as viewed from the arm portion side in FIG. 8;

FIG. 10 is an enlarged view of a main part of an electronic device housing according to a fourth embodiment of the invention.

FIG. 11 is a shaft body according to a fourth embodiment of the present invention.

FIG. 12 is an enlarged view of a main part of an electronic device housing according to a fifth embodiment of the invention.

FIG. 13 is a shaft body according to a fifth embodiment of the present invention.

FIG. 14 is an enlarged view of a main part of an electronic device housing according to a sixth embodiment of the invention.

FIG. 15 is an enlarged view of a main part of an electronic device housing according to a seventh embodiment of the invention.

FIG. 16 is an enlarged view (part 1) of an essential part of an electronic device housing according to an eighth embodiment of the present invention.

FIG. 17 is an enlarged view (part 2) of an essential part of an electronic device housing according to an eighth embodiment of the present invention.

FIG. 18 is a side view of a housing main body according to an eighth embodiment of the present invention.

FIG. 19 is a plan view of a conventional electronic device housing.

FIG. 20 is a rear view of a conventional electronic device housing.

FIG. 21 is a side view of a conventional electronic device housing.

FIG. 22 is an enlarged view of a main part of a conventional electronic device housing.

FIG. 23 is a three-view drawing of a shaft body.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Housing main body 2 Lid 3 Protrusion 4 Depressed groove 5 Gasket 6 Mounting leg 7 Hole 8, 9 Projection 11 Necked screw 25 Shaft insertion hole 26 Projection 27 Shaft 28 Shaft 29 Body 31 Screw hole 32 Plane 33 Curved Surface 35 Projection 36 Screw Insertion Hole 37 Chamfer 41 Screw 42 Spring Washer 43 Flat Washer 45 E-Type Retaining Ring 46 Interval 51 Shaft 52 Shaft 53 Main Body 54 Screw Hole 55 Flat 56 Curved Surface 61 Arm 65 Shaft Insertion Hole 66 Projecting part 67 Groove part 68 Shaft body 69 Through hole 71 Screw hole 73 Neck screw 74 Head 75 Screw part 76 Neck 77 Guide part 81 Shaft body 82 Through hole 83 Screw hole 85 Necked screw 86 Head 87 Screw part 88 Neck 89 Guide portion 91 Shaft insertion hole 92 Projecting portion 93 Spacing 95 Shaft body 96 Shaft portion 97 Screw portion 98 Hexagon hole 101 Screw fitting 102 First thread Hole 103 Second screw hole 105 Screw 111 Screw hole 112 Projection 113 Spacing 115 Shaft 116 Head 117 Screw part 118 Shaft 121 Screw fitting 122 Shaft insertion hole 123 Screw hole 131 Shaft insertion hole 132 Projection 133 Groove 134 Notch 135 Shaft 136 Screw hole

Claims (7)

[Claims] A housing body having a shaft insertion hole formed in a side surface in a direction parallel to the opening surface; a shaft portion rotatably inserted into the shaft insertion hole; A shaft body having a screw hole orthogonal to the shaft, and a lid body having a screw insertion hole corresponding to the screw hole of the shaft body on the side surface, wherein a screw is inserted from the screw insertion hole of the lid body to form a shaft body. Wherein the cover is attached to the housing body by screwing the cover into a screw hole, and the cover can be opened and closed by rotating the cover around a shaft with the screws loosened. 2. A housing body having first and second shaft insertion holes formed on the same axis and separated from each other in a direction parallel to the opening surface on a side surface, and rotatably inserted into the shaft insertion holes. A shaft having a shaft portion and a screw hole orthogonal to the axis of the shaft portion at an end portion; and a lid body having a screw insertion hole corresponding to the screw hole of the shaft body formed on a side surface of the shaft body. A screw is inserted from the screw insertion hole of the lid, and the lid is screwed into the screw hole of the shaft inserted into the first and second shaft insertion holes of the housing body with the shaft part being symmetrical. An electronic device housing which is attached to a housing body and can be opened and closed by rotating a lid around a shaft in a state where screws are loosened. 3. A housing body having a shaft insertion hole formed on a side surface in a direction parallel to the opening surface, a shaft portion rotatably inserted into the shaft insertion hole, and an end portion having an axis line with the shaft portion. A shaft having orthogonal screw holes, and a lid formed on the side surface with a screw insertion hole corresponding to the screw hole of the shaft body and an arm extending to an end surface of the shaft insertion hole of the housing body. By inserting a screw from the screw insertion hole of the lid and screwing it into the screw hole of the shaft, the lid is attached to the housing body, and the cover is rotated around the shaft with the screws loosened. An electronic device housing which can be opened and closed and wherein the arm prevents the shaft from coming out of the shaft insertion hole. 4. A housing body in which a shaft insertion hole and a groove portion bisecting the shaft insertion hole are formed on a side surface in a direction parallel to the opening surface, and a through hole in the axial direction and a direction perpendicular to the axis passing through the through hole. A shaft body having a screw hole to be inserted and rotatably inserted into the shaft insertion hole of the housing main body; a lid body having a screw insertion hole corresponding to the screw hole of the shaft body formed on a side surface; A screw having a length shorter than the diameter of the through hole of the shaft, and a screw with a neck having a neck formed between the screw and the head. The cover is attached to the housing body by inserting a threaded screw and screwing it into the screw hole of the shaft inside the groove of the housing body, and rotating the cover around the shaft with the necked screw loosened An electronic device housing which can be opened and closed. 5. A housing body having a shaft insertion hole formed on the same axis on a side surface with an interval in a direction parallel to the opening surface, a shaft portion rotatably inserted into the shaft insertion hole, and A shaft body having a screw portion formed at one end of the shaft portion, a pair of first screw holes formed coaxially from both side ends, and a middle portion between the first screw holes formed in an orthogonal direction. A screw fitting having a second screw hole, and a lid having a screw insertion hole corresponding to the second screw hole of the screw fitting formed on a side surface, between the shaft insertion holes of the housing body. A shaft is inserted into the shaft insertion hole from both sides of the screw fitting to be screwed, a screw portion of the shaft is screwed into the first screw hole of the screw fitting, and a screw is inserted from the screw insertion hole of the lid. The cover is attached to the housing body by screwing it into the second screw hole of the bracket, and the cover is turned around the shaft with the screws loosened. Electronics enclosure, characterized in that the can closed. 6. A housing body having a screw hole formed on the same axis on a side surface with an interval in a direction parallel to the opening surface, and a shaft portion at a tip of a screw portion screwed into the screw hole of the housing body. And a screw fitting formed on the same axis from both side ends and having a shaft insertion hole of the shaft and a screw hole formed in a middle portion of the shaft insertion hole in a direction orthogonal to the shaft body, A lid having screw insertion holes corresponding to the screw holes of the screw fittings formed on the side surfaces thereof. Screw the screw part of the body, insert the shaft part of the tip into the shaft part insertion hole of the screw fitting, insert the screw from the screw insertion hole of the lid, and screw it into the screw hole of the screw fitting, so that the lid is attached to the housing body. The lid can be opened and closed by rotating the lid around the shaft with the screws loosened. Equipment cabinet. 7. A housing body in which a shaft insertion hole and a groove portion bisecting the shaft insertion hole are formed in a side surface in a direction parallel to the opening surface, and a screw hole is formed in the middle in a direction orthogonal to the axis. A shaft body rotatably inserted into the shaft insertion hole of the body main body, and a lid having a screw insertion hole corresponding to the screw hole of the shaft body formed on a side surface; Insert the shaft into the hole, insert the screw from the screw insertion hole of the lid, screw the screw into the screw hole of the shaft in the groove of the housing, attach the lid to the housing, and loosen the screw A notch is formed around the shaft insertion hole so that the cover can be opened and closed by rotating the lid around the shaft body, and the screw can be moved in the axial direction of the shaft insertion hole of the housing body in the open position. An electronic device housing characterized by being formed.