JP2001355322A - Joint member for handrail - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a joint member for a handrail, which can positively form a desirable connecting angle, achieves fine adjustment of the connecting angle, and absorbs a load even if the load is applied thereto. SOLUTION: The joint member for the handrail can set handrail members (80 and 81) to a combination body (30) at an arbitrary angle. The combined body (30) is formed by combining a first connecting portion (15) of a first joint member (10) with a second connecting member (25) of a second joint member (20), and clamping the connecting portions together in a relatively rotatable manner by means of a clamping member (40) such as a bolt. According to the joint member for the handrail, a pressing plate (60) which is screwed onto the clamping member (40) in a state in which rotation thereof is blocked, is arranged in the combination body (30), and by clamping the clamping member (40), the pressing plate (60) is moved so as to make close contact with an internal surface of the combination body (30), whereby the first connecting portion (15) and the second connecting portion (25) are fixed to each other.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a handrail joint member for connecting handrails at an arbitrary angle.

[0002]

2. Description of the Related Art Conventionally, in order to connect handrails at a desired angle, a handrail joint member as shown in FIG. 10 has been used. That is, the conventional handrail joint member has a hemispherical first joint member (110) provided with a joint portion (170) to which the handrail (180) is attached, and the handrail (181) is attached. Hemispherical second joint member (120) provided with joint part (175)
Are combined to form a spherical connection body (130), and the connection body (130) is fastened by a fastening member of a bolt (140) and a nut (145) through the center of gravity of the connection body (130). Then, the first joint member (11
0) and the second joint member (120) are relatively rotatable around the bolt (140). With this structure,
The handrail (180) attached to the first joint member (110) can be freely adjusted by rotating the joint (170) and the joint part (175) relatively to adjust the angle (connection angle). And the handrail (181) attached to the second joint member (120) can be installed at a desired connection angle.

[0003]

However, the above-mentioned handrail joint member has a problem in that it is difficult to fasten the joint portions (170, 175) so that the joint portions (170, 175) have a desired connection angle. In particular, it has been difficult to finely adjust the connection angle. That is, in the conventional handrail joint member, the joint portion (17
0) and the joint part (175) are adjusted to a desired angle, and then the first joint member (110) and the second joint member (120) are bolted (14).
The work of tightening and fixing 0) is performed. At this time, bolt (1
Since the first joint member (110) and the second joint member (120) are in a free state until they are fixed by (40), the bolts (140) are mutually attached by a slight force. There is a problem that the shaft rotates (shaft rotation) and the desired connection angle shifts. Also, once the first joint member (110) and the second joint member (120) are fixed and then the bolt (140) is loosened in order to finely adjust the connection angle of the handrail, the bolt (140) is removed. Immediately after loosening slightly, the first joint member (110) and the second joint member (120) became free at once, and it was difficult to finely adjust the connection angle. further,
There was another problem. That is, when a load is applied to a handrail connected to a building by a conventional handrail joint member and attached to the building due to distortion or earthquake of the building caused by aging, the load is applied to the connecting body (130). Due to the concentration, even when a slight force is applied to the connecting body (130), it cannot withstand the load, and there is a risk that the handrail joint member may be broken.

It is an object of the present invention to provide a handrail joint member which facilitates installation of the handrail and allows fine adjustment of a desired handrail connection angle. Another object of the present invention is to provide a handrail joint member capable of absorbing a large load even when a large load is applied to the handrail.

[0005] (Claim 1) In order to solve the above-mentioned problem, the invention according to claim 1 is based on a first connecting portion (15) of a first joint member (10) and a second connecting member (20). Attach the handrail members (80, 81) to the connecting body (30) formed by combining the second connecting portion (25) and relatively rotatably fastened by the fastening member (40) such as a bolt. In the handrail joint member that allows the handrail members (80, 81) to be installed at an arbitrary angle, the handrail member is screwed to the fastening member (40) in a state where its rotation is prevented inside the connecting body (30). By disposing the pressing plate (60) and tightening the fastening member (40), the pressing plate (60) moves so as to be in close contact with the inner surface of the connecting body (30), and the first connecting portion (15) and the second The connection part (25) is fixed.

(Operation) The first coupling portion (15) of the first joint member (10) to which the handrail member (80) is attached, and the second joint member (15) to which the handrail member (81) is attached. The second connecting portions (25) of (20) are combined together and relatively rotatably fastened by a fastening member (40) such as a bolt to form a connected body (30). A pressing plate (6) whose substantially central portion is screwed to the fastening member (40) in a state where the rotation is prevented between the first connecting portion (15) and the second connecting portion (25).
Place 0). When the fastening members (40, 45) are tightened in this state, the rotation of the pressing plate (60) is prevented.
With the rotation of (40, 45), the pressing plate (60) moves in the axial direction. With this structure, when the fastening members (40, 45) are tightened, the pressing plate (60) moves and comes into close contact with the inner surface of the connector (30). In this state, when the first connection part (15) and the second connection part (25) are relatively rotated, they are not completely fastened due to frictional resistance between them, but can be rotated if a certain amount of force is applied In other words, it is in a semi-fastened state. Therefore, during the tightening work of the fastening members (40, 45), it is possible to prevent the first connecting portion (15) or the second connecting portion (25) from rotating spontaneously, and maintain a desired connection angle. The handrail members (80, 81) can be attached as they are.

According to a second aspect of the present invention, there is provided a handrail joint member according to the first aspect, wherein the pressing plates (6) are arranged to be in close contact with each other.
A plurality of protrusions (61, 61) are scattered on at least one of the surface of (0) and the inner surface of the connector (30).

(Operation) The fastening members (40, 50) facing each other and
The plurality of protrusions are provided so as to protrude on at least one of the surface of the pressing plate (60) and the inner surface of the connecting body (30) which are in close contact with each other. For example, a plurality of projections (61, 6) are formed on the surface of the pressing plate (60) toward the inner surface of the connector (30).
If (1) is provided so as to protrude, the connecting body (30) is connected to the fastening member (4).
(0,45) and the accompanying pressing plate (60)
Moves toward the connecting body (30), and the projections (61, 61) come into contact with the inner surface of the connecting body (30). At this time, the first joint member (10) and the second joint member (20) are not completely fastened by the fastening members (40, 45), but the projections (61, 61) are connected to each other. (30)
A state is formed in contact with the inner surface of the
It is possible to form a state in which the (60) is more securely in contact with the inner surface of the connector (30) than in a state of being in close contact with the inner surface. Therefore, an even greater force is required to relatively rotate the first joint member (10) and the second joint member (20).

According to a third aspect of the present invention, there is provided a handrail joint member according to the first aspect, wherein the inner surface of the connecting body (30) and the pressing plate (60) are provided. And a contact plate (50) is further disposed between the contact plate and the contact plate.

(Operation) A fastening member (40) such as a bolt is further penetrated into a connecting body (30) formed by being relatively rotatably fastened by a fastening member (40) such as a bolt. The contact board (50). When the fastening member (40) is tightened, the pressing plate (60) moves in the axial direction and comes into close contact with the contact board (50). When the fastening member (40) is further tightened, the pressing plate (60) presses the contact plate (50) so as to be in close contact with the inner surface of the connecting body (30),
The semi-fastened state described above is formed.

According to a fourth aspect of the present invention, there is provided a handrail joint member according to the third aspect, wherein the pressing plates (6) are arranged to be in close contact with each other.
0) and / or a plurality of projections (21, 61) on at least one of the inner surfaces of the contact plate (50) and / or the inner surface of the contact plate (50) and the connector (30). Features.

(Operation) The fastening members (40, 50) opposed to each other and
A plurality of protrusions are provided on one of the surfaces of the pressing plate (60) and the contact board (50), which are in close contact with each other, so as to protrude. For example, contact plate (50)
A plurality of protrusions (61, 61) are provided so as to protrude toward. On the other hand, a plurality of projections (21, 21) are provided on one of the surface of the contact plate (50) and the inner surface of the connecting body (30) which are opposed to each other and are brought into close contact by tightening the fastening members (40, 50). ) Is provided so as to protrude. For example, a plurality of protrusions (21, 21) are provided on the inner surface of the connecting body (30) so as to protrude. Then, when the connecting body (30) is tightened with the fastening members (40, 45), the projection (61) comes into contact with the surface of the contact board (50), and the projection on the surface of the contact board (50) on the opposite side. (21) contacts. At this time, the first joint member (10) and the second joint member (20) are
(0,45) is not completely fastened, but the protrusion (6
(21) is in contact with the contact plate (50),
Further, it is possible to surely form a close contact state. Therefore, a relatively large force is required to relatively rotate the first joint member (10) and the second joint member (20).

According to a fifth aspect of the present invention, there is provided a handrail joint member according to the third or fourth aspect, wherein the contact board (50) is formed of an elastic member. It is characterized by being.

The "elastic member" constituting the contact board (50) is as follows.
For example, it refers to a member having elasticity such as natural rubber, synthetic rubber, and synthetic resin. Since the contact board (50) is made of an elastic body, the first joint member (10) and the second joint member (20)
Even if a load such as distortion or vibration is applied to the joint, the load is absorbed by the contact board (50), so that an unreasonable force is not applied to the connecting body (30), and the probability of destruction of the handrail joint member can be reduced.

According to a sixth aspect of the present invention, there is provided a handrail joint member according to any one of the first to fifth aspects, wherein the first joint member (10 ) And the second coupling portion (2) of the second joint member (20).
5) are formed in a hemispherical shape, and the fastening members (40,
45) is fastened through the center of gravity of a substantially spherical connecting body (30) formed by combining the first connecting portion (15) and the second connecting portion (25), and the connecting body (30) is fastened to the fastening member (40). , 45) are relatively rotatable about an axis.

(Operation) The first connecting portion of the first joint member (10)
Since both (15) and the second connecting portion (25) of the second joint member (20) are formed in a hemispherical shape, the first connecting portion (15) and the second connecting portion (25) are combined. The formed coupling body (30) has a substantially spherical shape. The fastening members (40, 45) are provided through the center of gravity of the connecting body (30), and the first joint member (10) and the second joint member (20) are pivotally connected to the fastening members (40, 45). And is rotatably fastened.

(Seventh Aspect) According to a sixth aspect of the present invention, there is provided a handrail joint member according to any one of the first to sixth aspects, wherein the fastening member (40, 45) is provided. Is characterized in that a packing ring is arranged.

(Operation) When the first coupling member (10) and the second coupling member (20) are fastened by tightening the fastening members (40, 45), the packing ring (55) is arranged. Then, due to the elasticity of the packing ring (55), the first connecting portion (15) and the second connecting portion (25) are appropriately pressurized by the force with which the fastening members (40, 45) are tightened, and the connecting body (30) is pressed. maintain.

(Claim 8) In order to solve the above-mentioned problem, the invention according to claim 8 is directed to a joint member for a handrail according to any one of claims 1 to 7, wherein A capsule (35) containing an adhesive (35a).

(Operation) A pressing plate (60) screwed to the fastening member (40) is disposed inside the connecting body (30) in a state where its rotation is prevented, and the adhesive (35a) is included therein. Contains a capsule (35). Tighten the fastening members (40, 45) and press the plate
When the (60) is brought into close contact with the inner surface of the connector (30), the capsule (35) containing the adhesive (35a) located between the pressing plate (60) and the inner surface of the connector (30) is broken and adhered. The agent (35a) flows out. The connecting member (30) is firmly fixed by the adhesive (35a).

[0021]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A preferred embodiment of a handrail joint member according to the present invention will be described in more detail with reference to the drawings. The drawings used here are FIGS. 1 to 9.

First, as shown in FIG. 3, a first embodiment of a handrail joint member according to the present invention comprises a joint portion (70) to which a handrail member (80) is attached and a hemispherical first joint member. A first joint member (10) having a connecting portion (15), a joint portion (75) to which a handrail member (81) is attached, and a second joint member having a hemispherical second connecting portion (25) (20), a bolt (40) and a nut (45), which are fastening members for fastening by combining the first joint member (10) and the second joint member (20), and a disk having irregularities formed on a side surface Press plate (6
0).

Hemispherical first connecting portion (15) and second connecting portion (25)
To form a substantially spherical link (30),
A bolt (40) is inserted through the center of gravity of the connecting body (30) and fastened with a nut (45). The first connecting member (10) and the second connecting member (20) are relatively rotatable around the bolt (40). Thus, the handrail member (80) attached to the joint (70) of the first joint member (10) and the handrail member (81) attached to the joint (75) of the second joint member (20) )
Can be freely set at a desired angle (see FIG. 1).

On the other hand, a pressing plate (60) is arranged between the first connecting portion (15) and the second connecting portion (25). Press plate (60)
A thread groove for screwing with the bolt (40) is formed substantially at the center of the hole. Also, the first connecting portion (15) and the second connecting portion (25)
The inner surface is formed with irregularities that fit into the irregularities formed on the side surface of the pressing plate (60) (see FIG. 2). And
The unevenness formed on the side surface of the pressing plate (60) and the unevenness formed on the inner surface side of the first connecting portion (15) and the second connecting portion (25) are fitted to each other so that the pressing plate (60) is free. The rotation is prevented, and as a result, the pressing plate (60) is rotated with the rotation of the bolt (40).
Is movable in the axial direction of the bolt (40). bolt
When (40) is tightened, the pressing plate (60) moves to press the inner surface of the connecting body (30). And, due to the frictional resistance, the first joint member (10) and the second joint member (20) are not completely fastened, so to speak, in a semi-fastened state, during the installation work of the handrail members (80, 81). The first coupling part (15) or the second coupling part (25) can be prevented from rotating spontaneously, and while maintaining a desired connection angle, the first coupling member (10) and the second coupling Members (2
0) can be concluded.

Next, as a second embodiment, as shown in FIG. 4, a plurality of projections are formed on the surface of the pressing plate (60) toward the inner surface of the connecting body (30) in the first embodiment. (61,61)
Are provided so as to protrude. With this,
When the (30) is tightened by the fastening members (40, 45), the pressing plate (60) moves toward the connecting body (30) with the movement, and the protrusions (61, 61) move to the inner surface of the connecting body (30). Contact At this time, the first joint member (10) and the second joint member (20) are connected to the fastening members (40, 45).
Although not completely fastened by the projections (61, 61)
Is formed in a state in which the pressing plate (60) is in close contact with the inner surface of the connecting body (30) more securely than in a state in which the pressing plate (60) is in close contact with the inner surface of the connecting body (30). can do. Therefore, an even greater force is required to relatively rotate the first joint member (10) and the second joint member (20). The other configuration is the same as that of the first embodiment, and the description is omitted.

Further, as a third embodiment, as shown in FIG. 5, the pressing plate (6
A substantially disk-shaped contact plate (50) is arranged with a slight gap between the contact plate (0) and the second connecting portion (25). The contact board (50) has a bolt (40)
Are arranged so as to penetrate. As a result, as the bolt (40) is tightened, the pressing plate (60) moves and the bolt (4
It moves in the axial direction of 0) and contacts the contact board (50). When the bolt (40) is further tightened, the contact plate (5
0) is pressed, and the contact board (50) comes into contact with the inner surface of the second connecting portion (25). Then, the first joint member (10)
The second joint member (20) and the second joint member (20) are not completely fastened to form a semi-fastened state. By appropriately changing the thickness and hardness of the contact board (50), the coefficient of friction between the first connecting portion (15) and the second connecting portion (25) can be adjusted, and the absorption of load can be reduced. Adjustment is also possible.

FIG. 6 shows a fourth embodiment in which a plurality of projections (21, 21) are scattered on the surface of the pressing plate (60) and the inner surface of the second connecting portion (25). It is provided so as to protrude. That is, the contact plate (50) is provided on the lower side of the pressing plate (60).
A plurality of protrusions (61, 61) are provided toward the second connecting portion.
A plurality of projections (21, 2) are directed toward the contact plate (50) on the inner side of (25).
1) is provided. As a result, the connecting body (30) is bolted
When tightening with (40), the projections (21, 61) come into contact with both sides of the contact board (50) from both directions. And the first joint member (10) and the second joint member (20) are
5) Although not completely tightened, the protrusions (61, 2
1) comes into contact with the contact board (50), so that the first connecting part (15) and the second connecting part (25) simply provide a further frictional resistance than when the contacting board (50) is in contact. It is possible to make it larger. Therefore, the first joint member (10) and the second joint member (20)
A relatively large force is required to relatively rotate.

In the second and fourth embodiments, the contact board (50) may be formed of an elastic member such as natural rubber, synthetic rubber, and synthetic resin. In this case, even when a load is applied to the connecting body (30), the load is further added to the friction between the pressing plate (60) and the contact plate (50), etc.
(50) itself can be deformed and absorbed.

Further, for each of the ten embodiments described above,
A packing ring (55) made of an elastic member such as natural rubber, synthetic rubber, or synthetic resin may be attached to the nut (45). Fastening members due to the elasticity of the packing ring (55)
The first connecting portion (15) and the second connecting portion (25) are appropriately pressurized by the force for fastening the (40, 45), and the connected body (30) is maintained. In addition, bolt (40) and bolt head (41) of bolt (40)
A cap (43) can also be attached to protect the recess into which is fitted.

Further, the coupling body (30) can be constructed by enclosing the capsule (35) containing the adhesive (35a) inside the coupling body (30) (see FIG. 7). That is, the capsule (35) containing the adhesive (35a) is placed inside the connector (30) formed by the first connector (15) and the second connector (25). As a result, when the bolt (40) is tightened to move the pressing plate (60) so as to be in close contact with the inner surface of the connecting body (30), the capsule (35) containing the adhesive (35a) is broken and the adhesive (35a ) Leaks out.
The connector (30) is firmly connected by the adhesive (35a) that has flowed out. Further, when the projections (21, 61) are provided, the capsule (35) can be efficiently destroyed. In addition, it is preferable to use an adhesive which does not harden even if it hardens and has elasticity while being hardened in order to obtain an appropriate frictional force of the connecting body (30).

FIG. 8 shows a handrail joint member (80, 8
It is sectional drawing which shows an example of the structure for attaching 1).
A connection member (83) is attached to the joint (70) and the joint (75) by bolts (78). Then, the connecting member (8
Insert the handrail member (8) into the insertion portion (84) provided at the tip of (3).
The handrail member (80, 81) is connected to the handrail joint member by inserting the screw (0, 81) and fixing the screw with the screw (85, 85) through the screw hole. Then, as shown in FIG. 9, a handrail is installed.

[0032]

According to the joint member for a handrail according to the present invention,
Even if the fastening member that fastens the first connection portion and the second connection portion is loosened, the free state is not immediately established, and a semi-fastened state that can be rotated by applying a certain amount of force can be created. This facilitates the installation of the handrails, and allows fine adjustment of the desired handrail connection angle. In addition, it is possible to adjust the coefficient of friction between the first connecting portion and the second connecting portion, and it is also possible to adjust the load absorbing power. Furthermore, even when a load is applied to the handrail, the load is absorbed by the handrail joint member, so that there is an effect that the strength of the connected body is prevented from lowering.

Further, according to the handrail joint member of the present invention, since the projection is provided, the first connecting portion and the second connecting portion are connected with a larger frictional resistance.
Even when a load is applied to the handrail, there is an effect that the load can be reliably absorbed by the connecting body.

Further, according to the handrail joint member of the present invention, both the first connecting portion of the first joint member and the second connecting portion of the second joint member are formed in a hemispherical shape, and the fastening member is formed. Is fastened through the center of gravity of a connection body having a substantially spherical shape formed by combining the first connection part and the second connection part, and the connection body is configured to be relatively rotatable around the fastening member, so that it looks Also, there is an effect that a beautiful handrail joint member can be provided.

According to the handrail joint member of the present invention, since the packing member formed of the elastic member is disposed on the fastening member, the first connecting portion and the second connecting portion are formed by the force for fastening the fastening member. This has the effect of appropriately pressurizing and maintaining the connected body. In addition, since the capsule containing the adhesive is broken and the adhesive flows out, there is an effect that the connecting body is firmly fixed by the adhesive.

[Brief description of the drawings]

1A and 1B are perspective views showing the appearance of an embodiment of a handrail joint member.

FIG. 2 is an exploded perspective view of one embodiment of a handrail joint member.

FIG. 3 is a sectional view showing the internal structure of the first embodiment of the handrail joint member.

FIG. 4 is a cross-sectional view showing an internal structure of a second embodiment of a handrail joint member.

FIG. 5 is a sectional view showing an internal structure of a third embodiment of a handrail joint member.

FIG. 6 is a sectional view showing an internal structure of a fourth embodiment of a handrail joint member.

FIG. 7A is a cross-sectional view showing a state in which a capsule containing an adhesive is accommodated in a connected body, and FIG. 7B is a cross-sectional view showing a state in which the adhesive has flowed out.

FIG. 8 is a cross-sectional view illustrating an example of a structure when a handrail is attached to a handrail joint member.

FIG. 9 is a perspective view showing a use state of the handrail joint member.

FIG. 10 is a cross-sectional view showing an internal structure of a conventional handrail joint member.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 10 1st joint member 15 1st connection part 20 2nd joint member 25 2nd connection part 21 Projection 30 Connection body 31 Internal space 35 Capsule 35a Adhesive 40 Bolt 41 Bolt head 43 Cap 45 Nut 50 Contact board 55 Packing ring Reference Signs List 60 Pressing plate 61 Projection 70 Joint part 75 Joint part 78 Bolt 80 Handrail member 81 Handrail member 83 Connection member 84 Insertion part 85 Screw

Claims (8)

[Claims] 1. A connection body formed by combining a first connection portion of a first joint member and a second connection portion of a second joint member so as to be relatively rotatably fastened by a fastening member such as a bolt. A handrail joint member which can be installed at an arbitrary angle by attaching the handrail member to the joint member; A handrail, wherein a plate is arranged, and by tightening the fastening member, the pressing plate moves so as to be in close contact with the inner surface of the connecting body, and the first connecting portion and the second connecting portion are fixed. Fitting members. 2. The handrail joint member according to claim 1, wherein a plurality of protrusions are scattered on at least one of a surface of the pressing plate and an inner surface of the connecting body, which are arranged in close contact with each other. A joint member for handrails. 3. The joint member for a handrail according to claim 1, wherein a contact board is further arranged between an inner surface of the connecting body and the pressing plate. 4. The joint member for a handrail according to claim 3, wherein at least one of the pressing plate and the contact plate and / or the inner surface of the contact plate and the connecting member arranged so as to be in close contact with each other. A joint member for a handrail, wherein a plurality of protrusions are scattered on the surface of the handrail. 5. The handrail joint member according to claim 3, wherein the contact board is formed of an elastic member. 6. The handrail joint member according to claim 1, wherein the first joint portion of the first joint member and the second joint portion of the second joint member are both provided. While being formed in a hemispherical shape, the fastening member is fastened through the center of gravity of a substantially spherical connecting body formed by combining the first connecting portion and the second connecting portion, and the connecting body is formed by pivoting the fastening member. A joint member for a handrail, which is relatively rotatable. 7. The handrail joint member according to claim 1, wherein a packing ring is disposed on the fastening member. 8. The joint member for a handrail according to claim 1, wherein a capsule containing an adhesive is contained in the inside of the connecting body. .