JP2021031988A - Mounting base - Google Patents

Abstract

To provide a mounting base mounted on a floor surface to support a temporary handrail, allowing fixation of protection moldings on a peripheral edge part of the mounting body to be carried out through using screws less or none.SOLUTION: Protection moldings 6 protecting a peripheral edge part of a mounting body 5 comprise: an upper side lip part 6a; a lower side lip part 6b; and an outer edge part 6c connecting outer ends of the upper side lip part 6a and the lower side lip part 6b, wherein either or both of the upper side lip part 6a and the lower side lip part 6b is provided with a nail 6d to detachably attach the protection moldings 6 on the mounting body 5 by inserting the peripheral edge part of the mounting base 5 between the upper side lip part 6a and the lower side lip part 6b and engaging the nail 6d on a step part 10 formed on a front surface or a rear surface of the peripheral edge part of the mounting base body 5.SELECTED DRAWING: Figure 5

Description

The present invention relates to a mounting base used for a temporary handrail provided with a handrail that assists elderly people and long-term care supporters to walk.

As a conventional example of a temporary handrail used in the fields of long-term care and welfare, one using the mounting base of Patent Document 1 below is known.

The mounting base of Patent Document 1 includes a substantially flat base main body and a protective molding attached to the peripheral edge of the base main body, and the protective molding uses a fixing screw to provide the base main body. It is detachably fixed to.

The base body is made by laminating a first plate material arranged on the front surface and a first plate material arranged on the back surface, and the peripheral edge of the laminated body is inclined downward toward the outside, and the surface position is closer to the outside. It is declining.

Further, the protective molding is formed by connecting the tip edges of the upper lip portion and the lower lip portion that face each other, and the first to fourth molding bodies to be attached to the four straight sides of the base and the base. It is divided into a total of eight parts, which are fan-shaped fifth to eighth moldings to be attached to the corners of the.

Each of the eight molding bodies is attached to the base body with the peripheral edge of the base body inserted between the upper lip part and the lower lip part, and is attached to the base body with a fixing screw that locks to the lower lip part on the back side. It is fixed to the base body.

The mounting base of Patent Document 1 is finished as a temporary handrail by erection of a support member on the upper portion of the base and attaching a handrail unit to the support member.

Japanese Unexamined Patent Publication No. 2014-201940

In the mounting base of Patent Document 1, each of the first to eighth moldings divided into eight is individually detachably fixed to the base main body with fixing screws.

However, with this structure, it is necessary to attach and detach at least 8 fixing screws (22 in total, as shown in FIG. 2 of the same document) when the protective molding needs to be replaced or removed for cleaning. There is, and the work becomes troublesome.

Further, in the case of fixing with screws, it is conceivable that when the temporary handrail is moved, the screws loosen due to vibration and fall off, and the fixing of the protective molding becomes unstable due to the falling off.

An object of the present invention is to provide a mounting base for a temporary handrail that eliminates the above-mentioned problems by reducing the number of screws used or making it possible to fix the protective molding without using screws at all. It is said.

In order to solve the above problems, in the present invention,
Base body and
A protective molding that protects the peripheral edge of the base body is provided.
The protective molding has an upper lip portion, a lower lip portion, and an outer edge portion connecting the outer ends of the upper lip portion and the lower lip portion.
Claws are provided on either or both of the upper lip portion and the lower lip portion.
The peripheral portion of the base body is inserted between the upper lip portion and the lower lip portion, and the claw is locked to a step portion formed on the front surface or the back surface of the peripheral edge portion of the base body. Provided is a mounting base on which a protective molding is detachably attached to the base body.

The upper lip portion or the lower lip portion of the protective molding provided with the claws is preferably elastically deformable.

Further, it is also preferable that the upper lip portion or the lower lip portion is formed so that the thickness of the portion located on the inner end side is thinner than the thickness of the portion located on the outer end side.

Further, it is also preferable that the surface of the base body and the surface of the abutting portion of the protection molding with respect to the base body are flush with each other in a state where the protection molding is attached to the base body. The flush with each other here is considered to be flush with steps that are inevitably generated due to manufacturing errors and the like.

The base body may include a reinforcing plate on the back surface.

The protective molding is preferably made of resin or hard rubber. The claws are preferably provided at the inner end of the lower lip portion and the upper lip portion of the protective molding. Further, the protective molding made of a resin or rubber that is hard to some extent preferably has a wall thickness on the inner end side of the lower lip portion or the upper lip portion on which the claws are provided thinner than the wall thickness on the outer edge side.

In the mounting base of the present invention, the peripheral edge portion of the base body is pushed between the upper lip portion and the lower lip portion of the protective molding. Then, at the end point of pushing, the claws provided on the lower lip portion and the upper lip portion of the protection molding are locked to the step portion formed on the peripheral edge of the base body.

As a result, the protective molding is fixed to the base body, and the fixing work becomes as simple as pushing the peripheral edge of the base body without the need for screwing.

Depending on the shape of the protective molding, the screwing work is not necessarily zero, but it can be significantly reduced as compared with the one using the mounting base of Patent Document 1.

The lower lip portion and the upper lip portion of the protective molding are elastically deformable, and the claws are provided on the elastically deformable lower lip portion and the upper lip portion, and the lower lip portion and the upper lip portion of the protective molding are provided. If the wall thickness on the inner end side of the lip portion is made thinner than the wall thickness on the outer edge side and the claw is provided on the inner end side of the lower lip portion or the upper lip portion, the lower lip portion or the upper lip portion is provided. Can be elastically deformed to attach / detach the protective molding to the base body, which facilitates the attachment / detachment work.

It is a perspective view which shows an example of the temporary handrail using the mounting base of this invention. It is an exploded perspective view of the mounting base adopted for the temporary handrail of FIG. It is a perspective view which shows a part of the base body of the mounting base adopted for the temporary handrail of FIG. It is a top view which shows the state in the process of assembling the mounting base adopted for the temporary handrail of FIG. It is sectional drawing along the VV line of FIG. It is sectional drawing along the VI-VI line of FIG. It is sectional drawing along the line VII-VII of FIG. It is a top view which shows a part of the modification of a protection molding. It is sectional drawing of the main part which shows the modification of the fixed structure of a protection molding.

Hereinafter, embodiments of the mounting base of the present invention will be described with reference to FIGS. 1 to 9 of the accompanying drawings.

FIG. 1 shows an entire example of the temporary handrail 1. The temporary handrail 1 includes a mounting base 2 of one form of the present invention, a support column 3 erected on the mounting base 2, and a handrail 4 supported by the support column 3.

The mounting base 2 is mounted on the floor surface, and has a base main body 5 and a protective molding 6 that protects the peripheral edge of the base main body 5.

The base body 5 is a rectangular base in a plan view having four straight sides and sides of a convex arc curve connecting two adjacent sides at the four corners (see FIGS. 1 to 4). The two sides of one pair of parallel arrangements are long sides, and the two sides of the other pair of parallel arrangements are also short sides, but the four sides of the straight line may be the same length. ..

The exemplary base body 5 is a first base plate 5a shown in FIGS. 2 and 5 to 7, a second base plate 5b overlaid on the back surface of the first base plate 5a, and a second base plate 5b thereof. It is a combination of the edge plate 5c fixed to the peripheral edge of the back surface and the reinforcing plate 5d attached to the second base plate 5b excluding the peripheral edge side of the back surface, but the base body 5 is integrated. It may be a molded product or the like.

In the illustrated base body 5, the first base plate 5a, the second base plate 5b, the edge plate 5c, and the reinforcing plate 5d are all made of stainless steel plates.

The outer peripheral edge of the second base plate 5b protrudes outward by a predetermined amount from the outer peripheral edge of the first base plate 5a, and is between the upper surface of the outer peripheral edge of the second base plate 5b and the upper surface of the first base plate 5a. As shown in FIGS. 5 to 7, there is a step corresponding to the thickness of the first base plate 5a.

The outer peripheral edge of the edge plate 5c protrudes outward by a predetermined amount from the outer peripheral edge of the second base plate 5b, and a second base plate 5c is located between the upper surface of the outer peripheral edge of the edge plate 5c and the upper surface of the second base plate 5b. 2 There is a stepped portion 10 corresponding to the thickness of the base plate 5b (also see FIGS. 5 to 7).

The edge plate 5c is divided into a part provided at a position along the long side of the base body 5 and a part provided at a position along the short side of the base body 5. The parts provided at the positions along the short sides of the base body 5 are further divided into two at the center of the short sides, but it is not an essential requirement that the edge plate 5c is composed of the divided parts.

As the edge plate 5c, a steel plate having a thickness of about 3.5 mm was used in the base body 5 of the example, but the thickness of the edge plate 5c is such that the step portion 10 to which the claws described later can be stably locked is used. Anything that can be produced is sufficient, and is not limited to the above numerical values.

As the reinforcing plate 5d, a plate having a chevron shape and having a reinforcing rib 5e bent so that the top is downward is used (see FIGS. 2, 3, and 5).

The protective molding 6 provided on the exemplary mounting base 2 is a straight first detachably attached to the divided parts shown in FIGS. 1 and 4, that is, the four straight sides of the base main body 5. ~ 4th molding body 6 _-1 ~ 6 _{-4 and 5th} ~ 8th molding body 6-5 ~ 6 with fan-shaped plan view shape that is detachably attached to the curved sides of the four corners of the base body 5 It consists of _-8.

First to fourth molding body ₆ -1 _{to 6 -4} and fifth to eighth molding body ₆ -5 _{6 -8} they are both formed of resin.

Each of the first to eighth molding body ₆ -1 _{to 6 -8,} the upper lip 6a shown in FIGS. 5 to 7 is provided with a lower lip part 6b, the outer edge portion 6c.

The first molding body _6-1 and the second molding body _6-2 have the same shape and the same dimensions. The third molding body _6-3 and the fourth molding body _6-4 also have the same shape and the same dimensions. Molding body ₆ -5 _{6 -8} also the same shape of the fifth to eighth, the same dimensions.

The upper lip portion 6a has a shape with a step on the inner surface, and the outer peripheral edges of the second base plate 5b and the edge plate 5c (the second base plate 5b projects outward from the outer circumference of the first base plate 5a). The portion is overlapped with the upper surface of the edge plate 5c (the portion where the edge plate 5c protrudes outward from the outer circumference of the second base plate 5b).

The surface of the abutting portion of the upper lip portion 6a with respect to the base body 2 is flush with the surface of the base body 2 (the surface of the first base plate 5a) when the protective molding 6 is mounted on the base body 2. As a result, the upper lip portion 6a is abutted against the outer peripheral edge of the base body 2 without a step.

The lower lip portion 6b faces the upper lip portion 6a. A space for inserting the peripheral edge of the base body 5 is created between the lower lip portion 6b and the upper lip portion 6a, and the lower lip portion 6b is arranged below the edge plate 5c.

The outer edge portion 6c is a portion connecting the outer ends of the upper lip portion 6a and the lower lip portion 6b, and the surfaces of the upper portion and the side portion have curved surfaces without edges.

In the protective molding 6 adopted for the mounting base 2 of the temporary handrail 1 of the example, the first to fourth molding bodies 6 _{-1 to} 6 _-4 are fixed to the base body 5 without using screws. molding body 6 _-5 6 _-8 fifth to eighth has become what is fixed to the base body 5 using screws.

In the first to fourth molding bodies 6 _{-1 to} 6 _-4 , the inner end of the lower lip portion 6b is inside the inner end of the edge plate 5c, and the inner end of the edge plate 5c is located at the inner end. It is provided with a claw 6d that rises upward to be locked to the step portion 10. The claw 6d may be a continuously extending ridge, or a plurality of independent claws may be arranged at a constant pitch in one molding body.

The lower lip portion 6b provided with the claw 6d is elastically deformable. First to fourth molding body 6 _-1 to 6 _-4 illustrated, thinner than the thickness of a portion located a thickness of a portion located on the inner end in the boundary vicinity of the center in the width direction on the outer end Therefore, the inner end side of the lower lip portion 6b is easily elastically deformed.

First to fourth molding body ₆ -1 _{to 6 -4,} state entering the peripheral portion of the base body 5 between the upper lip 6a and the lower lip part 6b having a pawl 6d to the lower lip portion 6b And push it toward the center of the base body 5.

This behavior, the upper surface of the claw 6d of the lower lip portion 6b is engaged with the stepped portion 10 the inner end of the edge plate 5c at pushing the end point, thereby pushing it molding body 6 _-1 to 6 _-4 base It is fixed to the main body 5 and the fixing work is easily completed.

_{As shown in FIG. 7, the fifth to} eighth molding bodies 6-5 to _6-8 are fixed to the base body 5 using screws 7 screwed into the bottom surface of the edge plate 5c.

One screw 7 fixes one molding body. Therefore, the operation of tightening and removing the screws 7 may be performed on only four screws, unlike the mounting base of Patent Document 1. As shown in FIG. 7, it is preferable that the screw 7 has its head housed in a recess provided on the bottom surface of the _{5th to} 8th molding bodies 6-5 to _{6-8 so as not to come into contact with the floor surface.} ..

Note that molding body ₆ -5 _{6 -8} fifth to eighth, like the first to fourth molding body ₆ -1 _{to 6 -4,} engages the edge of the inner end of the edge plate 5c It is possible to provide the claws on the lower lip portion 6b and fix them to the base body 5 without using screws.

Fifth to eighth molding body 6 _-5 6 _-8 for fixing by engaging the pawl 6d to the inner end of the edge plate 5c it can not secure a large locking area of the nail 6d against the edge plate.

Therefore, for the fifth to eighth molding body 6 _-5 6 _-8 fixed to the base body 5 without using screws provided claws 6d for engaging the inner end of the edge plate 5c, Figure 8 It is advisable to use the structures shown in combination.

In Figure 8, only one of them point to the abutting surfaces (Figure 8 of the first to fourth molding body ₆ -1 _{to 6 -4} fifth to eighth molding body ₆ -5 _{6 -8} A notch 8 is provided in (disclosure). The notch portion 8 is located at a corner portion on the outer end side of the butt surface. Further, the first to fourth molding body ₆ -1 _{to 6 -4} forms a convex portion 9 which is made to correspond to the notch 8.

In this way, by preceding the attachment of the first to eighth molding body ₆ -5 _{6 -8} against the base body 5, subsequently, the first to fourth molding body _{6 -1} against the base body 5 By mounting ~ 6 _-4 and inserting the convex portion 9 into the notch portion 8, _{the movements of the 5th to} 8th molding bodies 6-5 to _6-8 toward the outer peripheral side can be moved from the 1st to the 4th. It can be blocked by the molding body 6 _{-1 to} 6 _-4.

The first to fourth molding bodies 6 _{-1 to} 6 _-4 can secure a wide locking region of the claw 6d with respect to the edge plate 5c, and are stably fixed to the base body 5. According to the structure of FIG. 8, molding body ₆ -5 _{6 -8} fifth to eighth is stopped motion by the first to fourth molding body ₆ -1 _{to 6 -4,} thereby, fixing by screws It is possible to prevent the base body 5 from coming off even if this is not performed.

As shown in FIG. 9, a claw 6d projecting downward is formed on the inner surface of the upper lip portion 6a of the protective molding 6 on the inner end side, and the claw 6d is formed on the upper surface of the portion supporting the upper lip portion 6a of the base body 5. The protective molding 6 can be detachably fixed to the base body 5 by forming the step portion 10 corresponding to the above and locking the claw 6d to the step portion 10.

Both the claw 6d provided on the lower lip portion 6b and the claw 6d provided on the upper lip portion 6a may be provided side by side, or only one of them may be provided.

The base body 5 of the example has a shape in which four corners of a rectangular shape in a plan view are rounded. Therefore, the protection molding 6 divided into eight was used, but the plan view shape of the base body 5 may be elliptical or circular, and the number of divisions of the protection molding 6 is increased or decreased according to the plan view shape. Will be done.

In the temporary handrail 1 of FIG. 1, two columns 3 are erected and fixed on the mounting base 2 described above, and a grip-shaped handrail 4 is attached to the upper ends of the two columns 3. ing.

The height of the support column 3 can be adjusted stepwise by combining the outer pipe 3a shown in FIG. 1 and the inner pipe 3b slidably inserted inside the outer pipe 3a.

The inner pipe 3b is provided with pin holes (not shown) at a constant pitch in the height direction, and the outer pipe 3a is adjusted to hold the inner pipe 3b whose height has been adjusted stepwise at the adjustment position. A position holding mechanism 3c is provided.

The adjustment position holding mechanism 3c is a well-known mechanism capable of releasing the locked state by combining a spring and a lock pin urged by the spring and fitted into the pin hole.

The temporary handrail 1 illustrated is only one embodiment of the use of the mounting base of the present invention. In the handrail 4, a support member other than the support column may be erected on the mounting base 2 and supported by the support member.

1 Temporary handrail 2 Mounting base 3 Support 3a Outer pipe 3b Inner pipe 3c Adjustment position holding mechanism 4 Handrail 5 Base body 5a 1st base plate 5b 2nd base plate 5c Edge plate 5d Reinforcing plate 5e Reinforcing rib 6 Protective molding 6 _-1 to 6 _-4 first to fourth molding body ₆ -5 _{6 -8} molding body 6a upper lip part 6b lower lip part 6c outer edge 6d pawl 7 bis 8 notch of the fifth to eighth 9 Convex part 10 steps

Claims (4)

Base body and
A protective molding that protects the peripheral edge of the base body is provided.
The protective molding has an upper lip portion, a lower lip portion, and an outer edge portion connecting the outer ends of the upper lip portion and the lower lip portion.
Claws are provided on either or both of the upper lip portion and the lower lip portion.
The peripheral portion of the base body is inserted between the upper lip portion and the lower lip portion, and the claw is locked to a step portion formed on the front surface or the back surface of the peripheral edge portion of the base body. A mounting base on which the protective molding is detachably attached to the base body. The mounting base according to claim 1, wherein the upper lip portion or the lower lip portion is elastically deformable. The mounting according to claim 1 or 2, wherein the upper lip portion or the lower lip portion is formed so that the thickness of the portion located on the inner end side is thinner than the thickness of the portion located on the outer end side. Base for use. The mounting according to any one of claims 1 to 3, wherein the surface of the base body and the surface of the protection molding are substantially flush with each other in a state where the protection molding is attached to the base body. Standing base.

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