JP2001304224A - Connector - Google Patents

Abstract

(57) [Summary] [Object] To enable a simple structure to manufacture a connecting tool that can be fitted to a connected rod without rotating and the fitting position thereof can be fixed. A casing (3) having a through hole (4) penetrating in the axial direction is provided with a mounting plate (10) on the base side outer periphery. In the casing 3, a plate-shaped nut which is a ring-shaped plate member and has a plurality of locking claws 5c on its inner periphery in the circumferential direction, and the locking claws 5c have elasticity in the axial direction of the casing 3. 5 is provided. The connecting rod 1 is inserted into the through hole 4 from the base side of the casing 3.
By inserting 6, the locking claw 5c of the plate nut 5 is locked on the outer periphery of the connected rod 16 and is fixed to each other.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] The present invention relates to a connector.

[0002]

2. Description of the Related Art Conventionally, there has been known a nut which can be inserted into a bolt without rotating to a tightening position and completely tightened by slightly rotating the nut at the tightening position (for example, Japanese Utility Model Publication No. 55-48171).

[0003] As shown in FIG. 9, a taper hole 10 is provided in a casing 101 of the nut 100.
The nut segments 103 divided into a plurality in the circumferential direction are slidably disposed in the taper hole 102 in the axial direction, and the nut segments 103 are moved by the axial movement of the nut segments 103. A spring 105 is provided so as to expand and contract the formed screw hole 104 and to urge each nut segment 103 toward the small diameter side of the tapered hole 102. A guide piece 109 is provided between the nut segments 103 so as to protrude from the casing 101.

[0004] Then, the above-mentioned nut 100 is connected to the nut 100 shown in FIG.
As shown in the figure, when the bolt 106 is press-fitted in the direction of arrow A, the nut 100
Nut segment 103 moves toward the large diameter side of tapered hole 102 against the urging force of spring 105, and
The diameter of the nut 04 is increased, and the nut 100 can be inserted into the bolt 106 without rotating.

The surface 1 of the member 107 to be fastened is
When the nut 100 hits the nut 08, the biasing force of the spring 105 pushes each nut segment 103 toward the smaller diameter side of the tapered hole 102, and the female thread of each nut segment 103 fits into the male thread of the bolt 106. The nut 100 can be completely tightened only by slightly rotating the nut 100 in the tightening direction.

[0006]

The conventional nut shown in FIG. 9 has a problem that there are many kinds of parts.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a connector which can be inserted into a bolt without rotating like the conventional nut and which can be manufactured simply and inexpensively with few types of components.

[0008]

According to a first aspect of the present invention, there is provided a first aspect of the present invention, comprising: a casing having a through-hole penetrating in an axial direction; In the casing, there is provided a plate-shaped nut which is a ring-shaped plate member and has a plurality of locking claws on its inner periphery in the circumferential direction, and the locking claws have elasticity in the axial direction of the casing. By inserting a connected rod into the through hole from the base side of the above, the locking claw of the plate-shaped nut is locked to the outer periphery of the connected rod and fixed to each other. It is.

In the present invention, when a connected rod having a diameter slightly larger than the diameter between the locking claws of the plate nut is inserted between the locking claws,
The locking claw is deformed by its elasticity, so that the nut portion can be relatively fitted to the connected rod. When the nut portion is to be pulled out from the fitted state, each locking claw is locked to the outer peripheral surface of the connected rod, and the pulling out is prevented.

According to a second aspect of the present invention, in the first aspect, a plurality of the plate nuts are provided in a stacked state.

According to a third aspect of the present invention, in the first or second aspect, the mounting plate is provided on the casing so as to be rotatable about an axis thereof, and the mounting plate is provided with a casing. And a claw projecting to the opposite side.

According to a fourth aspect of the present invention, in the first aspect of the present invention, the nut is provided with:
The plurality of locking claws are spirally arranged.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to the embodiments shown in FIGS.

1 to 4 show a first embodiment.

The outer peripheral surface 3a of the casing 3 in the nut portion 2 constituting the connector 1 is formed in a polygonal surface, in the example shown in the figure, a hexagonal surface. Inside the casing 3 is formed a through hole 4 through which a connected rod such as a bolt or a reinforcing bar is inserted. A plate-shaped nut 5 is fixedly fitted around the through hole 4.

As shown in FIG. 3, the plate-like nut 5 has an annular base 5a, a flat annular plate-like portion 5b bent at a substantially right angle inward from the upper end of the base 5a, and Shape part 5
locking claw 5c inclined outward at a predetermined angle θ from the inner end of b
The locking claw 5c is provided in a plurality of divisions at appropriate intervals in the circumferential direction of the plate-like portion 5b via a notch 5d, and an insertion hole 5e is provided inside the locking claw 5c. Is formed. The plate-shaped nut 5 is formed of a metal plate, and each locking claw 5c has elasticity in the front and back directions (axial direction of the casing 3). The angle θ of the locking claw 5c is about 30
° is set. The distance between the inner ends of the opposing engaging claws 5c, that is, the diameter D of the insertion hole 5e in the normal state, is the maximum diameter of the bolt or the reinforcing bar or the like, which is a connected rod inserted into the insertion hole 5e. It is set smaller than. The plate nut is generally called a push nut.

Then, as shown in FIG. 2, the plate-like nut 5 is set so that its locking claw 5c faces the side opposite to the insertion opening 6 for a bolt or the like in the casing 3.
It is arranged and fixed inside. The inner diameter of the insertion port 6 and the inner diameter of the outlet 7 are set to be larger than the inner diameter D between the locking claws 5c.

Although three nuts 5 are arranged in a stack in the example of FIG. 2, the number of nuts 5 is not limited to three but may be provided in a required number, for example, one or four or more may be provided. .

A fitting portion 9 is formed on the outer periphery of the base 8 of the casing 3. The fitting portion 9 is formed by a concave groove coaxial with the through hole 4.

As shown in FIG. 2, a mounting plate 10 and a reinforcing plate 11 are rotatably loosely fitted to the fitting portion 9 in an overlapping state.

The mounting plate 10 is made of a metal material and includes a disk-shaped main part 10a and a claw part 10b formed integrally with the outer periphery of the main part 10a. The main body 1
At the center of Oa, a fitting hole 10c for loosely fitting with the fitting portion 9 of the casing 3 is formed.

The claw portion 10b is bent rearward at a substantially right angle to the main body portion 10a, that is, a leg portion 10d protruding to the opposite side to the casing 3, and a tip formed at the tip of the leg portion 10d. And a cusp 10e. Further, the inner surface of the pointed portion 10e has a guiding surface 1 formed of a tapered surface whose tip side opens outward.
0f.

A desired number of the claw portions 10b are provided on the outer periphery of the main body portion 10a. In the illustrated embodiment, four claw portions 10b are provided at equal intervals as shown in FIG.

The reinforcing plate 11 is made of a metal plate, has a disk shape as shown in FIG. 1, and has a fitting hole 11a which is loosely fitted in the fitting portion 9 of the casing 3 at the center.

The mounting plate 10 and the reinforcing plate 11
Are connected by a screw 12, and in this connection state, they are loosely fitted to the fitting portion 9 of the casing 3 as shown in FIG. 2, and then the rear end of the fitting portion 9 is caulked and attached by the caulking portion 13. The plate 10 and the reinforcing plate 11 are prevented from coming off. Even by this caulking, the axial length of the fitting portion 9 is set slightly longer than the total thickness of both plates so that the plates 10 and 11 can rotate.

With the above configuration, the mounting plate 10 and the reinforcing plate 11 are provided so as to be rotatable with respect to the nut portion 2 and to move integrally with the nut portion 2 in the axial direction.

Next, a case where the operation of the above embodiment is used for connection between wooden members of a building shown in FIG. 4 will be described.

The nut portion 2 of the connecting member 1 assembled as shown in FIGS. 1 and 2 is fixed to one wooden member 14 as shown in FIG. 16 is press-fitted from its tip.

That is, in FIG.
The bolt 16 is inserted into the through hole 4 so that the bolt 16 is inserted.
When pressed to the side (in the direction of arrow A), each locking claw 5c of the plate-shaped nut 5 is pushed open by the crest 16a of the bolt 16, and
The nut 2 can be fitted to the bolt 16 without rotating. Therefore, the nut portion 2 can be easily inserted by a manual operation without rotating until the tip of the locking claw 10b hits the other wooden member 15 and without using a jig.

Next, the mounting plate 10 and the reinforcing plate 11 are beaten appropriately with a jig, and the claw portion 10b is driven into the other wooden member 15 to be fixed. When the nut portion 2 moves forward by this driving, each locking claw 5c of the plate-like nut 5 also moves forward over the peak portion 16a of the bolt 16 and fits into the valley portion 16b of the bolt 16 to be fitted on the side surface of the peak portion 16a. Lock.

In this manner, the nut 2 is
In the state of reaching the most advanced position (tightened and fixed position), each locking claw 5c of the plate-shaped nut 5 is locked to the ridge 16a of the bolt 16, and the nut 2 is tightened and fixed to the bolt 16. Is firmly held.

Therefore, according to the connecting device of the present invention, the tightening operation can be performed extremely easily as compared with a conventional nut that tightens while rotating to the tightening position with respect to the bolt.

Further, when the wooden member 15 is dried and shrunk (thinned) after the members 14 and 15 are connected to each other, the mounting plate 10 is moved by the claws 10b as described above.
5, the mounting plate 10 is attached to the member 15 without forming a gap between the mounting plate 10 and the member 15.
It moves following the contraction of. Therefore, this mounting plate 1
The nut 2 provided on the nut 0 is also pulled toward the member 15, and each locking claw 5c of the plate nut 5 moves over the peak 16a of the bolt 16 and moves to the tightening side together with the nut 2, thereby loosening the tightening force. Is prevented and the fully tightened state is maintained.

FIGS. 5 to 8 show a second embodiment.

The second embodiment is a modification of the plate nut 5 in the first embodiment.

That is, as shown in FIG. 5 (a), a cut 5f is formed in a part of the plate-shaped nut 5 and the plate-shaped portion 5 is formed.
b is spirally inclined from the one end 5g to the other end 5h in the circumferential direction so as to gradually incline in the front and back directions.
g and the other end 5h are provided with a step H relatively in the front-back direction. This step is equal to the step of the screw pitch of the bolt 16 at one end 5g and the other end 5h. As a result, the plurality of locking claws 5c of one plate-shaped nut 5 are spirally arranged, and all the locking claws 5c are sequentially fitted to the spiral valley portion 16b of the bolt 16 which makes one round. I do.

In order to maintain the step H,
A step holding member 17 as shown in FIGS. 6 to 8 may be provided. As shown in FIG. 6, the step holding member 17 has insertion grooves 18 and 19 formed with the above-mentioned step H on the left and right, and as shown in FIG. Is fitted in one insertion groove 18 and the other end 5h is fitted in the other insertion groove 19 to secure a step H. Then, the plate-shaped nut 5 is provided in the casing 3 together with the step holding member 17 as shown in FIG. Note that the plate-like nut 5 shown in FIGS. 5 to 8 is spirally inclined as described above,
Does not have. Therefore, the separator 2 as shown in FIG.
0 is provided.

The number of the plate nuts 5 may be one, or a plurality of them may be stacked as shown in FIG. In the example of FIG. 8, three are stacked.

Since other structures are the same as those of the first embodiment, the same parts as those described above are denoted by the same reference numerals and the description thereof will be omitted.

In the second embodiment, the same operation and effect as those of the first embodiment are exhibited, and each locking claw 5c of the plate nut 5 is formed in a spiral shape along the valley 16b of the bolt 16. , The nut portion 2 is rotated by the forward rotation of the nut portion 2.
Can be tightened into the bolt 16 or the nut 2 can be easily removed from the bolt 16 by reverse rotation of the nut 2.

The embodiment shown in FIG. 2 and FIG.
Although the claw portion 10b is provided on the mounting plate 10 and the mounting plate 10 is fixed to the member, the mounting plate 10 may be fixed to the member with screws or the like without forming the claw portion 10b.

Further, the embodiment shown in FIG. 2 and FIG.
Although the connected rod has been described as a bolt, the connecting tool of the present invention can be applied to a connected rod such as a round bar having no screw, a reinforcing bar or a deformed reinforcing bar in addition to the bolt. Further, although the embodiment shown in FIGS. 2 and 8 is provided with the mounting plate 10 and the reinforcing plate 11, the reinforcing plate 11 may be omitted and only the mounting plate 10 may be provided.

[0043]

As described above, according to the first aspect of the present invention, the connecting tool of the present invention can be fitted to the connected rod without rotating, and the connecting tool can be connected as compared with the conventional nut by screw rotation. Work becomes easier.

Further, the number of types of parts is smaller than that of the coupler shown in FIG.

According to the second aspect of the invention, furthermore, a firm connection is made possible.

According to the third aspect of the present invention, when the nut is rotated to press and fix the claw of the mounting plate to the member, the nut is rotated even when the mounting plate is not rotated. The mounting plate can be fixed.

According to the fourth aspect of the present invention, the locking claw of the plate-shaped nut can be rotated along the valley of the bolt, and the nut can be tightened and removed.

[Brief description of the drawings]

FIG. 1 is a plan view showing an embodiment of the present invention.

FIG. 2 is a side sectional view in FIG.

3A and 3B show a plate-shaped nut of the present invention, wherein FIG. 3A is a plan view and FIG.

FIG. 4 is a view showing an example of use of the connector of the present invention.

FIG. 5 shows another example of the plate nut of the present invention.
(A) is a top view, (b) is a BB sectional view of (a).

FIG. 6 is a front view showing a step holding member used for the plate nut of FIG. 5;

FIG. 7 is a plan view of a plate nut using the step holding member of FIG. 6;

FIG. 8 is a side cross-sectional view showing a connecting tool to which a plate nut is mounted using the step holding member of FIG. 6;

9 (a) is a side sectional view, FIG. 9 (b) is a plan sectional view, and FIG. 9 (c) is a sectional side view showing a used state.

[Explanation of symbols]

 Reference Signs List 2 nut portion 3 casing 4 through hole 5 plate-shaped nut 5c locking claw 10 mounting plate 10b claw portion 16 connected rod 17 step holding member for holding spirally

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Akira Sugiyama 510 Yabuta-cho, Moriyama-ku, Nagoya Mitsuchinai Co., Ltd. (72) Inventor Kaoru Taneichi 463-11 Aiko, Atsugi-shi, Kanagawa

Claims (4)

[Claims] 1. A casing having a through hole penetrating in the axial direction, a mounting plate is provided on the base side outer periphery, and an annular plate material is provided in the casing, and a plurality of locking members are provided on the inner periphery in the circumferential direction. Claws are provided, and the locking claws are provided with plate-shaped nuts having elasticity in the axial direction of the casing. By inserting the connected rod into the through hole from the base side of the casing, the outer periphery of the connected rod is A coupling tool characterized in that the locking claws of the plate nut are locked and fixed to each other. 2. The connector according to claim 1, wherein a plurality of said plate nuts are provided in a stacked state. 3. The mounting plate is provided so as to be rotatable about an axis of the casing with respect to a casing.
3. The connecting tool according to claim 1, further comprising a claw projecting to a side opposite to the casing. 4. The connecting tool according to claim 1, wherein the plurality of locking claws of the nut are spirally arranged.