JP3337527B2 - Handle for floor shield lid - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a handle device applied to various floor shielding covers such as floor hatches and pit covers provided on floors inside and outside a building.

[0002]

2. Description of the Related Art In a handle device used for lifting a floor cover, a handle device having a handle formed in a substantially U-shape is required because a person walks on the upper portion of the cover. For safety, the base is pivotally supported on a support shaft extended into the main body case so that the handle can be turned upside down. When not in use, the handle is stored in the main body case and can be raised during use. Like that. Further, such a handle device is provided with a lock mechanism for locking the handle housed in the main body case so that the handle can be used in places requiring security such as schools and public facilities.

[0003]

However, the lock mechanism of the conventional handle device rotates the built-in cam plate by rotating a key inserted through a key hole opened on the surface of the main body case. The locking portion of the cam plate is disengaged from the hook projecting downward from the handle to lock and release the handle. Therefore, as its components, a camshaft turned by a key with the upper end facing the keyhole, a bearing rotatably supporting the camshaft, and a cam supported by the lower end of the camshaft A plate, a bolt for fixing the cam plate to the camshaft, a spring for urging the cam plate so as to maintain the engagement between the locking portion of the cam plate and the hook of the handle, and a mounting bolt for the spring. A large number of parts such as rubber caps to be fitted in the keyholes when the handle is not used,
Also, since the main body case is formed by casting to attach many of them, the structure is complicated and the manufacturing cost is high,
Further, the rubber cap is exposed on the surface of the main body case, so that the appearance is poor. SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned conventional problems, and has been attempted to improve the problem. It is an object of the present invention to provide a gripping device for a floor shielding lid which has a simple structure, is low in manufacturing cost, and has a good appearance. Things.

[0004]

According to the present invention, there is provided a main body case having a storage cavity therein, and a substantially U-shaped insertion opening formed in a top plate provided above the storage cavity. The base is pivotally supported within the gap so that the base can be turned up and down. The base is stored in the storage gap from the insertion opening, and the upper surface side is substantially flush with the top plate, and the upper surface side and the lower surface are laid down. Beside
A substantially U-shaped handle provided with a through hole vertically penetrating between the formed concave portions, and a handle housed in the storage space, elastically contacting the base of the handle, and urging the handle in the upright direction. A spring and a female screw hole are formed, and the bottom plate of the body case is
It is arranged and formed on the lower surface side of the handle in the lying state of the handle.
The upper end is fitted in the recessed part, and the through hole of the handle is female screw hole
Female screw seat facing and formed shorter than the thickness of the handle,
While being inserted from above into the through hole of the concave portion formed in the handle, the head provided with the rotation operation hole is immersed in the concave portion,
When the handle is lying down, it is formed from the through hole to the lower surface of the handle.
In the recessed part, insert the male screw at the lower end projecting downward
And a fixed screw that is screwed into the female screw hole of the child seat to hold the handle in the lying position. Furthermore, a configuration in which the rotation operation hole formed in the head of the fixing screw is provided in a substantially corolla shape in which wavy irregularities are continuously formed in the inner circumferential direction can be applied.

[0005]

The grip is laid down in the storage space against the urging force of the spring, and the lower end thereof is screwed into the female screw seat of the main body case by rotating the fixing screw. It can be stored in the storage space portion almost flush with the plate. On the other hand, in such a storage state, when the fixing screw is rotated in the reverse direction to release the screwing of the lower end portion, the handle is pushed up from the insertion opening by the urging force of the spring, and if this is further caused, the handle is gripped. Can be used.

[0006] Further, by providing the turning operation hole of the fixing screw in a substantially corolla shape in which wavy irregularities are continuously formed in the inner circumferential direction, it becomes difficult to turn using a key other than the dedicated key, and security is improved. Can be improved.

[0007]

1 and 2 show a shielding cover for a floor such as a floor hatch to which a handle device is attached. The floor shielding lid 1 is formed in a shallow box shape having an upper surface opened by a peripheral side plate 2 and a bottom plate 3, and handle devices 4, 4 are arranged on both sides in a pair. Each handle device 4 is held at a predetermined height on the bottom plate 3 of the floor shielding lid 1 via spacers 5 and 5, and the bottom plate 3 is secured by bolts 6 and 6 inserted into the spacers 5 and 5.
Fixed to Further, the inside of the floor shielding lid 1 is filled with a floor finishing material 7 such as mortar which is the same as the surrounding floor.

Next, a handle device 4 according to the present invention will be described with reference to FIGS. The main body case 8 constituting the outer shell of the handle device 4 is formed in a housing shape by press-forming a thin plate made of stainless steel or the like, and a substantially U-shaped insertion port 9 is provided at an upper portion thereof.
Is joined by welding. Also,
A rectangular bottom plate 1 also serving as reinforcement is provided on the bottom of the main body case 8.
The bottom plate 11 is joined to the bottom of the main body case 8 by welding.

The inside of the main body case 8 becomes a storage space 13, and a substantially U-shaped bearing plate 12 is welded to the storage space 13 along the inside of the insertion opening 9. A support shaft 14 is supported by the left and right side plates 12a, 12a of the bearing plate 12, and the support shaft 14 is inserted into the main body case 8 with both ends of the support shaft 14 inserted through the storage space 13.

Reference numeral 15 denotes a substantially U-shaped handle formed by press-forming a thin plate made of stainless steel or the like and welding it. The base 15a, 15a is pivotally supported on the support shaft 14 and is provided so as to be free to fall. The handle 15 is slightly smaller than the insertion opening 9 and is formed in a similar shape. The handle 15 is housed in the storage space 13 from the insertion opening 9, and the lower surface 15 c abuts against the stopper 11 a raised from the bottom plate 11. Then, the top side 1
5b is provided so as to be lying substantially flush with the top plate 10.

The support shaft 14 is provided with the left and right side plates 12.
Wound springs 16, 16 are provided at the inner positions of a, 12a, one end of which is supported on the side wall surface of the main body case 8, and the other end is open to the left and right side plates 12a, 12a.
The handle 15 is provided so as to urge the handle 15 in the upright direction by making the protrusion end elastically contact the lower surface of the base of the handle 15.

Further, the handle 15 in the reclined position is substantially U-shaped.
The central part of the shape has an upper surface 15b and a lower surface 19, 1
9 'are formed respectively, and a through hole 18 penetrating in the vertical direction is provided between the concave portions 19, 19' . And the through hole 18
As shown in FIGS. 7 and 8, a fixing screw 21 having a rotation operation hole 21 b in a head 21 a is recessed so that the head 21 a is substantially flush with the upper surface 15 b of the handle 15. The fixing screw 21 is retained by an E-ring 22 fitted on the protruding end side of the through hole 18 while being immersed and inserted in the fixing hole 21. Further, the fixing screw 21 is formed shorter than the thickness of the handle 15 so as not to protrude from the thickness width of the handle 15.

On the other hand, on the bottom plate 11 of the main body case 8, a female screw seat 23 joined by welding is provided so as to face the through hole 18, and the handle 15 is laid on the female screw seat 23 with the handle 15 lying down.
An end of the handle is screwed into a female screw hole 23a formed in the female screw seat 23 with a male screw 21c at a lower end of the fixed screw 21 being fitted into the concave portion 19 'of the lower surface 15b. It is provided so as to hold 15 lying postures.

Further, a rotation operation hole 21b formed in the head 21a of the fixing screw 21 is provided in a substantially corolla shape in which wavy irregularities are continuously formed in the inner circumferential direction.
As shown in FIG. 10, at the tip of a key 24 for rotating the fixing screw 21, a wavy irregularity 24a conforming to the hole shape of the rotation operation hole 21b is continuously formed in the outer peripheral direction.

In the drawings, reference numeral 25 denotes a drain hole provided at the bottom of the main body case 8, 26 denotes a drain pipe fitted to the edge of the drain hole 25, and 27 denotes a water passage opening in the bearing plate 12. Shown respectively.

In this configuration, as shown in FIG. 5, the handle 15 is used as a handle for lifting the floor shielding lid 1 in a state raised from the storage space 13.
And when not in use, the handle 15 is rotated downward,
The handle 15 is laid on the storage space 13 against the urging force of the springs 16, 16, and the fixing screw 21 is rotated in a predetermined direction by the key 24, so that the male screw 21 c at the lower end thereof is screwed into the female screw seat 23. The handle 15 is fixed by being screwed into the female screw hole 23a, and can be stored in the storage space 13 substantially flush with the top plate 10, as shown in FIG.

On the other hand, when the fixing screw 21 is rotated in the opposite direction by the key 24 in the retracted state of the handle 15 as described above and the male screw portion 21c at the lower end thereof is released, the chain line in FIG. As shown by, the handle 15 is pushed up from the insertion opening by the urging force of the springs 16 and 16, and if this is further caused, the handle 15 becomes usable.

[0018]

As described above, according to the present invention, the base of the substantially U-shaped handle is pivotally supported and provided so as to be able to be turned upside down. Part of the handle, and the holding state is maintained by screwing a fixing screw disposed on the handle, while releasing the fixing screw at the time of use so that the handle is pushed up by the urging force of a spring. Therefore, compared to the conventional one, there are few components, the structure is simple, and almost all the components such as the main body case and the handle are formed by pressing a thin plate without using a casting. Therefore, the manufacturing cost is low. Furthermore, unlike the conventional case, a keyhole is not opened on the surface of the main body case, and there is no need for a rubber cap to be fitted into the keyhole when the handle is not used.

Further, if the rotation operation hole formed in the head of the fixing screw is provided in a substantially corolla shape in which wavy irregularities are continuously formed in the inner peripheral direction, a driver other than a dedicated key can be used. It is difficult to rotate the fixed screw with a tool,
Pulling of the handle due to mischief or the like is prevented, and the security of the handle can be improved.

[Brief description of the drawings]

FIG. 1 is a plan view of a floor cover such as a floor hatch to which a handle device is attached.

FIG. 2 is a partial vertical sectional side view of the same.

FIG. 3 is a plan view of the handle device according to the present invention.

FIG. 4 is a vertical sectional front view of the handle device in which the handle is raised.

FIG. 5 is a longitudinal sectional side view of the handle device in which the handle is raised.

FIG. 6 is a vertical sectional side view showing a stored state of the handle in FIG. 5;

FIG. 7 is a front view of a fixing screw.

FIG. 8 is a plan view of a fixing screw.

FIG. 9 is a front view of a key for rotating the fixing screw.

FIG. 10 is a bottom view of a key for rotating the fixing screw.

[Explanation of symbols]

 Reference Signs List 4 Handle device 8 Main body case 9 Insertion port 10 Top plate 13 Storage cavity 14 Support shaft 15 Handle 16 Spring 18 Through hole 19 Depression 21 Fixed screw 21a Head 21b Rotating operation hole 23 Female screw seat

Claims (2)

(57) [Claims] 1. A main body case having a storage cavity therein, and a substantially U-shaped insertion opening formed in a top plate disposed above the storage cavity, wherein a base is pivotally supported in the storage cavity. It is provided so that it can be turned upside down, is stored in the storage space from the insertion opening, and its upper surface side is lying substantially flush with the top plate, and between the concave portions formed on the upper surface side and the lower surface side. A substantially U-shaped handle provided with a through-hole penetrating in the up-down direction, a spring housed in the storage space, elastically contacting the base of the handle, and urging the handle in the upright direction; and a female screw hole. Is formed and disposed on the bottom plate of the main body case.
A recess formed on the lower surface of the handle in a state where the handle is lying down.
The upper end of the handle is fitted inside, and the through hole of the handle faces the female screw hole.
Female screw seat, which is formed shorter than the thickness of the handle, is inserted from above into a through hole of a concave portion formed in the handle, and the head provided with the rotation operation hole is immersed in the concave portion, and the handle is in the lying state. In the above
Projects downward from the through hole in the recess formed on the lower surface of the handle
Screw the lower male screw into the female screw hole in the female screw seat.
And a fixing screw for holding the handle in a lying position. 2. The rotating operation hole formed in the head of the fixing screw is provided in a substantially corolla shape in which wavy irregularities are continuously formed in an inner circumferential direction. Handle of the floor covering lid.