JPH0754462Y2 - Connecting device for connected members - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of use] The present invention relates to a connecting device for connecting members to be connected, and particularly to connecting the connected members while pulling the connected members on both sides of the connecting member toward the connecting member. The present invention relates to a connecting device for connecting members.

[Conventional technology]

Conventionally, work such as renovation of a building is performed by using a frame scaffold made around the outer periphery thereof.

FIG. 7 shows such a framework scaffolding on the outer periphery of the building, and the reference numeral 11 indicates a building frame.

A large number of the building frames 11 are arranged in the lateral direction at a predetermined interval, and the building frames 11 are added to the upper part of the building frame 11 to extend upward.

A scaffolding plate 13 is laid substantially horizontally between the building frames 11 arranged to face each other so that a work sound can be walked.

Then, the side portions of the building frames 11 arranged to face each other are connected by an X-shaped brace 15 in order to secure safety of work noise and to make the scaffold a rigid structure.

As shown in FIG. 8, the brace 15 holds the support column 19 of the building frame 11 by the two holding members 17 arranged at the tip end thereof, and the safety pin 21 formed so as to project from the holding member 17.
The brace 15 is fixed to the building frame 11 by inserting into the small hole formed in the support column 19.

In the frame scaffold configured as described above, various works can be easily performed by using the scaffold plate.

[Problems to be solved by the device]

However, in such a framework scaffolding around the building,
When the X-shaped brace 15 interferes with the work, the brace 15 is often removed before the work. Therefore, it is necessary to attach the brace 15 after the work for safety reasons. There was a problem that it was difficult to attach 15.

That is, in the frame scaffolding once assembled to the upper layer, the rigidity of the scaffolding is large even if some braces 15 are removed,
As shown in FIG. 8, the braces 15 are attached to the columns 19 of the building frame 11.
There is a problem that it is difficult to hold the safety pin 21 by the holding member 17 and insert the safety pin 21 into the small hole of the column 19.

Therefore, if you try to attach the brace 15 by force, you will lose balance when you attach the brace 15 and you will fall from the frame scaffolding, or it will be difficult to attach the brace 15, so it will be left as it is, There was a problem that the safety measures in the part became insufficient.

As a result of earnest research to solve such a problem, the present applicant fixed the tip ends of the two divided braces to the columns of the building frame, and connected these divided braces to the building frame. I found that the brace can be attached to.

A turnbuckle is conceivable as a means for connecting the connected members composed of such two split braces. However, in the turnbuckle, it is necessary to rotate the turnbuckle many times to fasten the split brace, which is troublesome. There was a problem that was.

The present invention has been made to solve the above problems, and an object of the present invention is to provide a connecting device for a connected member that can easily and securely fasten the connected member.

[Means for Solving the Problems]

The connecting device for a connected member according to claim 1, wherein the one side connected member and the other side connected member are connected, and the right screw portion of the one side connected member is screwed to one side thereof. Side right screw part is formed, and the other side left screw part to which the left screw part of the other side connected member is screwed is formed on the other side, and a first gear provided on this connecting member. , And a rotating device for rotating the first gear.

In the connecting device of the connected member according to claim 2, the right screw portion of the one-side connected member is screwed to one side of the connecting member that connects the one-side connected member and the other-side connected member. One side right screw part is formed, the other side left screw part to which the left screw part of the other side connected member is screwed is formed on the other side, and a storage case into which the connecting member is rotatably inserted is provided. A first gear is provided on the connecting member located inside the storage case, the first gear being provided on the inner surface of the inner tubular portion, the outer tubular portion, and a support ball housed therebetween. An internal gear that meshes is formed, and a second gear that meshes with the first gear is rotatably arranged in the storage case, and a rotary shaft of a rotary device is connected to the second gear. Is.

[Action]

In the connecting device for the connected member according to claim 1, when the one connected member and the other connected member are screwed into the connecting member and the first gear is rotated by the rotating device, the connecting member is rotated. Moved,
The one-side connected member and the other-side connected member that are screwed into the connecting member are moved in opposite directions toward each other in the axial direction of the connecting member.

In the connecting device for the connected member according to claim 2, the one connected member and the other connected member are screwed into the connecting member, the outer tubular portion of the storage case is held by hand, and the connected gear is rotated by the second gear. When the rotation shaft of the device is connected and the second gear is rotated by this rotation device, the inner cylindrical portion formed with the first gear and the internal gear is rotated, and the connection member is provided via the first gear. Is rotated, and the one-side connected member and the other-side connected member that are screwed into the connecting member are moved in opposite directions toward each other in the axial direction of the connecting member.

〔Example〕

The present invention will now be described in detail with reference to an embodiment shown in the drawings.

1 to 4 show an embodiment of a connecting device for connecting members of the present invention. In the drawings, reference numeral 31 denotes a cylindrical connecting member.

As shown in FIGS. 1 and 5, on one side of the connecting member 31, a female one side right screw portion 35 to which the one side connected member 33 is screwed is formed, and on the other side. A female left-hand side screw portion 39 is formed on which the other-side connected member 37 is screwed.

These connected members 33, 37 are made of, for example, a reinforcing bar of φ19 mm, a male right screw portion 41 is formed at the end of the one side connected member 33 on the side of the connecting member 31, and the other side connected member 33 is connected. A male left screw portion 43 is formed at the end of the member 37 on the side of the connecting member 31. The male screw portions 41, 43 are respectively screwed into the female screw portions 35, 39 of the connecting member 31 to form the brace 44 that connects the building frames of the frame scaffolding.

Two gripping members 45 are formed at the ends of the connected members 33, 37 opposite to the connecting member 31 at predetermined intervals in the axial direction, and these gripping members 45 are connected to the connected member 33. , 37, which protrudes sideways, and the outer pinching member 45 has a safety pin.
47 is formed so as to project toward the connecting member 31 side. These safety pins 47 are inserted into the small holes formed in the columns of the building frame, whereby the members to be connected 33, 37 are positioned on the columns.

The connecting member 31 is inserted into the cylindrical storage case 49, and the connecting member 31 is rotatable with respect to the storage case 49. The connecting member 31 in the storage case 49,
As shown in FIGS. 2 to 4, the first gear is provided on the outer periphery of the first gear.
51 is formed, and the second gear 53 that meshes with the first gear 51 is rotatably arranged in the storage case 49. This second
The gear 53 has more teeth than the first gear 51.

Further, a hexagonal fitting hole 55 is formed in the center of the second gear 53, and a turning shaft 59 of a turning device 57 composed of, for example, a rechargeable electric machine is fitted into the fitting hole 55. Has been done.

The storage case 49, as shown in FIG.
An outer cylinder portion 63, and a large number of support balls 65 housed between the inner cylinder portion 61 and the outer cylinder portion 63. These support balls 65 cause the inner cylinder portion 61 to separate the outer cylinder portion 63 from the outer cylinder portion 63. It is rotatable with respect to. An inner gear 67 that meshes with the first gear 51 is formed on the inner surface of the inner tubular portion 61, and lubricating oil is filled between the inner tubular portion 61 and the outer tubular portion 63.

In the connecting device for the members to be connected configured as described above, as shown in FIG. 6, the pillars 75 of the building frame 73 on one side of the frame scaffold 71 from which the braces 44 have been removed for work are divided into brace pieces. It is held by the holding member 45 of the one side connected member 33, and the safety pin 47 of the holding member 45 is inserted into the small hole formed in the pillar 75 of the building frame 73, and the one side connected member 33 is on the one side. It is positioned on the pillar 75 of the building frame 73. Similarly, the other side connected member 37 is positioned on the column 75 of the other side building frame 73 at substantially the same height as the one side connected member 33.

Then, the right screw portion 41 of the one side connected member 33 and the left screw portion 43 of the other side connected member 37 are respectively inserted into both sides of the connecting member 31, and the connecting member 31 is slightly rotated, so that the connected member is connected. The screw portions 41 and 43 of 33 and 37 are the screw portions 35 and 39 of the connecting member 31.
Is screwed onto.

Then, the rotation shaft of the rotation device 57 is inserted into the insertion hole 55 of the second gear 53.
After 59 is fitted and the outer tubular portion 63 is held by hand, by turning on the manual switch 77, the connecting member 31 is rotated to one side, and the one side connected member 33 and the other side connected member 37, The brace 44 is attached substantially horizontally to the building frame 73 that is fastened to the center side of the connecting member 31 and that forms the frame scaffold 71.

When the fastening of the one side connected member 33 and the other side connected member 37 is completed, the turning shaft 59 of the turning device 57 is pulled out from the fitting hole 55 of the second gear 53.

In the connecting device for connected members configured as described above, one side connected member 33 and the other side connected member are provided on both sides of the connecting member 31.
When the second gear 53 is rotated by the rotating device 57 by screwing 37 together, the connecting member 31 is rotated through the first gear 51 and is screwed into the connecting member 31. The 33 and the other-side connected member 37 are moved in opposite directions toward the axial direction of the connecting member 31.

That is, when the second gear 53 is rotated to one side by the rotating device 57, the one side connected member 33 and the other side connected member 37 are connected to each other by the connecting member 31.
Is moved towards the center of.

On the other hand, when the second gear 53 is rotated to the other side by the rotating device 57, the one-side connected member 33 and the other-side connected member 37 are moved so as to be separated from each other.

Thus, in the connecting device for the connected members configured as described above, one side of the connecting member 31 that connects the one-side connected member 33 and the other-side connected member 37 to the right side of the one-side connected member 33. Screw part 41
Is formed on one side, and the other side is formed on the other side with the left side screw part 39 on which the left side screw part 43 of the other side connected member 37 is screwed. A first gear 51 is provided, and a second gear 53 that meshes with the first gear 51 is rotatably arranged in the storage case 49. The second gear 53 has a rotation shaft of a rotation device 57.
Since 59 is connected, the one-side connected member 33 and the other-side connected member 37 are screwed into the connecting member 31, and the second gear is rotated by the rotating device 57.
When 53 is rotated, the connecting member 31 is rotated via the first gear 51, and the one-side connected member 33 and the other-side connected member 37 screwed to the connecting member 31 are the shafts of the connecting member 31. Moved in the opposite direction to each other in the longitudinal direction to easily connect the connected members 33 and 37, and
It can be securely fastened.

That is, when the second gear 53 is rotated to one side by the rotating device 57, the one side connected member 33 and the other side connected member 37 are connected to each other by the connecting member 31.
When the one side connected member 33 and the other side connected member 37 are strongly attracted to each other, the connected member 3
3,37 can be fastened easily and surely, and the brace 44 can be attached to the building frame 73 of the frame scaffold 71 under a constant tensile load.

Further, in this embodiment, the storage case 49 into which the connecting member 31 is rotatably inserted is composed of the inner cylinder portion 61, the outer cylinder portion 63, and the support ball 65 accommodated therebetween, and is housed in the storage case 49. The connecting member 31 located is provided with the first gear 51, and the inner surface of the inner tubular portion 61 is formed with the inner gear 67 with which the first gear 51 meshes.
Since the second gear 53 that meshes with the first gear 51 is rotatably arranged in the storage case 49, the inner cylinder portion 61 is rotatable with respect to the outer cylinder portion 63. Since the outer cylinder portion 63 does not rotate even if the second gear 53 rotates, the outer cylinder portion 63 can be held by hand and the second gear 53 can be rotated by the rotation device 57, and the connected member 33 can be rotated. , 37 can be safely concluded.

In addition, in the above-described embodiment, an example in which the connecting device for the connected members of the present invention is used when attaching the brace 44 to the building frame 73 forming the frame scaffold 71 has been described, but the present invention is limited to the above-described embodiment. Of course, it may be used for other purposes.

Further, in the above-described embodiment, an example in which the female one side right screw portion 35 is formed on one side of the connecting member 31 and the female other side left screw portion 39 is formed on the other side has been described. The present invention is not limited to the above-mentioned embodiment, and a male one-sided right-hand screw portion is formed on one side of the connecting member and a male-type other-side left screw portion is formed on the other side. It is possible to obtain almost the same effect as.
In this case, female screw portions are formed on the one side connected member and the other side connected member.

Furthermore, in the above-described embodiment, an example in which the present invention is applied to the case where the brace 44 is attached to the building frame 73 substantially horizontally has been described. However, the present invention is not limited to the above-described embodiment, and the brace is used for the building frame. When the present invention is applied in the case of being obliquely attached to, the same effect as that of the above embodiment can be obtained.

Further, in the above-described embodiment, an example in which the number of teeth of the second gear 53 is larger than that of the first gear 51 has been described, but the present invention is not limited to the above-described embodiment, and the number of teeth of the second gear is 1
Even if the number of gears is smaller than that of the gears, it is possible to obtain substantially the same effect as that of the above embodiment. In this case, the screw portion of the connecting member can be fastened to the screw portion of the connecting member with a torque larger than that in the above-described embodiment.

[Effect of device]

In the connecting device for a connected member according to claim 1, the one side connected member and the other side connected member are connected, and the right screw portion of the one side connected member is screwed to one side thereof. A right-hand side screw part, and a connecting member formed on the other side by forming the other-side left screw part to which the left-side screw part of the other-side connected member is screwed, and a first gear provided on the connecting member, Since the rotating device for rotating the first gear is provided, the one-side connected member and the other-side connected member are screwed into the connecting member, and the first and second connecting members are screwed together.
When the gear is rotated, the connecting member is rotated, and the one-side connected member and the other-side connected member that are screwed into the connecting member are moved in opposite directions toward each other in the axial direction of the connecting member. The connected members can be fastened easily and reliably.

In the connecting device of the connected member according to claim 2, one side of the connecting member connecting the one side connected member and the other side connected member,
Forming one side right screw part screwed with the right screw part of the one side connected member, and forming the other side left screw part with which the left screw part of the other side connected member is screwed, on the other side, The storage case, into which the connecting member is rotatably inserted, includes an inner cylinder portion, an outer cylinder portion, and a support ball accommodated between the inner cylinder portion and the outer cylinder portion. First on the inner surface of the part
An internal gear that meshes with the gears is formed, and a second gear that meshes with the first gear is rotatably arranged in the storage case, and the rotation shaft of the rotation device is connected to the second gear. The member to be connected on one side and the member to be connected on the other side are screwed to the member, the outer cylindrical portion of the storage case is held by hand, and the rotating shaft of the rotating device is connected to the second gear. When the second gear is rotated, the inner cylindrical portion formed with the first gear and the internal gear is rotated, the connecting member is rotated through the first gear, and the one side cover screwed to the connecting member is rotated. The connecting member and the other-side connected member are mutually moved in the opposite directions in the axial direction of the connecting member, so that the connected member can be fastened easily and reliably.

[Brief description of drawings]

FIG. 1 is a partial vertical sectional view showing an embodiment of a connecting device for connecting members of the present invention. FIG. 2 is a side view showing the connecting member of FIG. 1 and a part of the vicinity thereof in a cutaway manner. FIG. 3 is a cross-sectional view taken along the line III-III in FIG. FIG. 4 is an explanatory view showing a connecting device for connecting members according to the present invention. FIG. 5 is a vertical cross-sectional view showing a state in which one side connected member and the other side connected member are screwed into the connecting member. FIG. 6 is a perspective view showing a state in which a brace is attached to a building frame forming a frame scaffold by using the connecting device for connecting members of the present invention. FIG. 7 is a perspective view showing a state in which work is being performed on the frame scaffold. FIG. 8 is a perspective view showing a state in which a brace is attached to a pillar of a building frame forming a frame scaffold. [Explanation of symbols of main parts] 31 …… Coupling member 33 …… One side connected member 35 …… One side right screw part 37 …… Other side connected member 39 …… Other side left screw part 41 …… Right Screw part 43 …… Left screw part 49 …… Storage case 51 …… First gear 53 …… Second gear 57 …… Rotating device 59 …… Rotating shaft 61 …… Inner cylinder 63 …… Outer cylinder 65 …… Supporting ball 67 …… Internal gear.

Claims (2)

[Scope of utility model registration request] Claim: What is claimed is: 1. One side connected member and the other side connected member are connected to each other, and one side right screw portion to which the right screw portion of the one side connected member is screwed is formed on one side thereof. A connecting member formed on the other side by forming the other side left screw part to which the left side screw part of the other side connected member is screwed, a first gear provided on the connecting member, and rotating the first gear. A connecting device for connecting members to be connected. 2. A one-sided right-handed screw portion to which a right-handed screw portion of the one-sided connected member is screwed is formed on one side of a connecting member which connects the one-sided connected member and the other-side connected member. An inner side tubular part and an outer side tubular part, the other side left screw part to which the left side screw part of the other side connected member is screwed is formed, and the storage case into which the connecting member is rotatably inserted. And a support ball housed between them, and a first gear is provided on the connecting member located in the housing case, and the first gear is provided on the inner surface of the inner tubular portion.
An internal gear that meshes with the gears is formed, and a second gear that meshes with the first gear is rotatably arranged in the storage case, and a rotation shaft of a rotation device is connected to the second gear. A connecting device for connecting members to be connected.