JPH08312626A - Connector - Google Patents

Abstract

PURPOSE: To provide a connector which can firmly connect together two members by a simple operation without using a tool even in a narrow place. CONSTITUTION: This connector is provided with a bolt in which stripe-like undercuts 18 cutting out parts of the external thread 17 and continuing along the axis are provided on the outer circumferential face, and a slider 21 in which a fitting hole to be inserted with the bolt is provided in the center and internal thread 22 slidable in the undercuts 18 and capable of being threadedly engaged with the external thread 17 by rotation of a fixed quantity is provided on the inner face of the fitting hole. Further this connector is provided with a cylindrical body 31 covering the outer circumference of the slider 21 and independently movable against the slider 21, and a cam means which is provided between the slider 21 and the cylindrical body 31, and applies moving force in the direction along the axis of the bolt to the cylindrical body 31 by rotating the cylindrical body 31 independently from the slider 21.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connector suitable for use, for example, in attaching a toilet seat to a toilet bowl.

[0002]

2. Description of the Related Art Today, in Western style toilets, toilet seats having various functions such as heating, washing and drying are used. This type of toilet seat is required to be easily removable during maintenance and cleaning, and to meet this demand, we also propose a number of technologies that allow it to be easily installed and removed without using special tools. Has been done. This is for example
It can also be seen in 9-64100.

[0003]

However, in the structure of the conventional connector, when the toilet seat is attached to the toilet, the nut to which the main fastener is attached is rotated many times to move it to a predetermined position. After this, it is necessary to rotate the final fastener to perform the final tightening. Also, when removing the toilet, it is necessary to release the final tightening, rotate the nut again many times to return it to the predetermined position, remove the nut from the bolt, and then remove the toilet seat from the toilet bowl. take time. For this reason, it is troublesome to remove and install it for maintenance, inspection, cleaning, etc., and it is particularly difficult to work in a narrow space.

The present invention has been made in view of the above problems, and an object thereof is a connecting tool capable of firmly connecting two members with each other by a simple work without using a tool even in a narrow space. To provide. Furthermore, other purposes will be clarified one after another in the content described below.

[0005]

In order to achieve the above object, in the present invention, a striped relief groove is formed on the outer peripheral surface, with a part of the male screw being cut off and continuing along the center of the shaft. It has a bolt that is provided and a mounting hole that inserts the bolt in the center, and can slide in the clearance groove on the inner surface of the mounting hole, and can be screwed with the male screw when rotated by a predetermined amount. A slider provided with a female screw, a cylindrical body that covers the outer circumference of the slider and is movable independently of the slider, and a slider that is provided between the slider and the cylindrical body. On the other hand, when the tubular body is independently rotated, a cam means for applying a force that moves the tubular body in the direction along the center of the shaft of the bolt is provided. .

[0006]

According to this structure, the slider is moved together with the tubular body with respect to the bolt until the tip of the tubular body abuts the mating side by making the female screw correspond to the clearance groove, and then the slider and the tubular body. When the screw is rotated with respect to the bolt, the female screw and the male screw are screwed together, and when only the outer cylindrical body is rotated, the slider is screwed into the bolt and only the cylindrical body is moved by the cam action of the cam means. Is moved in the direction along the center of the axis of the bolt, that is, toward the mating side, and this tubular body is firmly pressed against the mating side, whereby the final connection and fixing is performed.

[0007]

Embodiments of the present invention will be described in detail below with reference to the drawings. FIG. 4 is a side view showing an example of a toilet bowl to which a toilet seat is attached using the connector to which the present invention is applied. In this toilet bowl 1, a connector 10 is used between the toilet bowl 1 and the toilet seat 2 to attach the toilet seat 2 having functions such as heating, washing, and drying.

As shown in FIG. 2 as an enlarged cross-sectional view taken along the line AA of FIG. 4 and in FIG. 3 as an exploded perspective view of its essential parts, the connector 10 is roughly a bolt 11 and a rubber. Washer 12, rubber bush 13, resin washer 1
4, the fastening nut unit 15 and the like.

More specifically, the bolt 11 includes the head 1
1a and a shaft portion 11b, and a male screw 17 is formed on the outer periphery of the shaft portion 11b. The male screw 17 is not formed over the entire circumference of the shaft portion 11b and is
A structure is provided in which a striped escape groove 18 is provided by continuously cutting off the male screw at a position displaced by 80 degrees along the center of the shaft. Further, here, the case 4 on the toilet seat 2 side is provided with an engagement chamber 6 having a bolt slit 5 through which the shaft portion 11b of the bolt 11 passes.

Then, the bolt 11 inserts the head portion 11a into the engagement chamber 6 through the shaft portion 11b through the bolt slit 5, the toilet bowl 2 and the bolt 11 are integrated, and the lower surface of the engagement chamber 6 is centered. After passing the ring-shaped rubber washer 12 having the through hole 12a, the shaft portion 11b of the bolt 11 is inserted into the bolt insertion hole 7 of the toilet 1 to be attached. Further, when the bolt 11 is inserted into the bolt insertion hole 7 of the toilet bowl 1 in this manner, the tip of the shaft portion 11b is projected from the lower side of the toilet bowl 1.

The rubber bush 13 is formed in a hemispherical shape, and has a hole 1 through which the shaft portion 11b of the bolt 11 can pass.
8 are formed. A resin washer 14 is attached to the lower side of the rubber bush 13, and a hole 19 through which the shaft portion 11b of the bolt 11 penetrates is formed at the center of the resin washer 14.

5 to 7 show the fastening nut unit 15 alone, FIG. 5 is its side view, FIG. 6 is its bottom view, and FIG. 7 is an exploded perspective view. Therefore, the structure of the fastening nut unit 15 shown in FIGS. 2 to 4 together with FIGS. 5 to 7 will be further described.
Is composed of a slider 21 and a tubular body 31.

Of these, the slider 21 is formed of a resin material such as polyacetal resin (POM) in a substantially cylindrical shape. Further, on the inner surface, a position corresponding to the escape groove 18 of the bolt 11 and at which the internal thread 22 slidable in the escape groove 18 and capable of screwing with the external thread 17 when rotated is displaced 180 degrees from each other. Is formed in. On the other hand, on the outer surface, engaging cam pins 23 are projected at positions displaced by 180 degrees. Then, in this slider 21, when the internal thread 22 is made to correspond to the clearance groove 18, the shaft portion 11b of the bolt 11 can be inserted into the slider 21 and allowed to ride as it is. The male screw 17 and the female screw 22 are screwed together, and by this screwing, movement in the direction along the center of the shaft between the bolt 11 and the slider 21 can be suppressed.

The tubular body 31 is the same as the slider 21, for example, a resin material such as polyacetal resin (POM), and is formed in a substantially tubular shape with a through hole 32 in the center of which the slider 21 can be placed. Also, on the peripheral surface, the slider 21
Pair of cam holes 3 respectively corresponding to the engaging cam pins 23 of
3 are provided separately at positions displaced by 180 degrees, and a collar-shaped knob portion 37 is integrally formed on the lower end side.

The slider 2 is fitted in the cam hole 33.
The engagement cam pin 23 on the first side is engaged and attached, and the cam hole 33 and the engagement cam pin 23 form a cam means. When the tubular body 31 is rotated with respect to the slider 21, the cam action of the cam hole 33 and the engagement cam pin 23 allows the tubular body 31 to move in a direction along the center of the shaft. Further, at one end side 33a of the cam hole 33, a small raised portion 34 for releasably click-locking the engaging cam pin 23 reaching the one end 33a side is provided, and this small raised portion 34 is provided. Immediately corresponding to the above, an escape hole 35 for elastically deforming the small raised portion 34 downward so that the engagement cam pin 23 can pass through the portion of the small raised portion 34 is formed. In addition, an escape groove 36 and an elastic piece 38 for allowing the engagement cam pin 23 to escape when the slider 21 is inserted and arranged in the tubular body 31 are formed on the inner peripheral surface of the through hole 32. Then, in the tubular body 31, the engagement cam pin 23 is inserted into the escape groove 36.
When the slider 21 is inserted correspondingly, the engaging cam pin 23 is released in the escape groove 36 and is inserted. Further, when the elastic piece 37 is inserted to a position corresponding to the elastic piece 38, the elastic piece 37 is elastically deformed outward and released, and when the engaging cam pin 23 is arranged in the cam hole 33, the elastic piece 3 is formed.
7 is self-elastically restored, and the tip surface 38 of this elastic piece 38 is
The part a of the cam surface of the cam hole 33 is formed so as to be prevented from coming off, and the fastening nut unit 15 is formed.

FIG. 1 is a diagram for explaining the operation of the connector 10. Therefore, a procedure for attaching the toilet seat 2 to the toilet bowl 1 using the connecting tool 10 having the above configuration will be described. Note that FIG. 1A is a side view in a state in operation, FIG. 1B is a bottom view in a state in operation, and FIG. 1C is a side view in a state in operation. FIG. 6D is a bottom view in the operation state, FIG. 8E is a side view in the operation state, and FIG. 6F is a bottom view in the operation state.

First, the head 11a is inserted into the engagement chamber 6 of the case 4 on the side of the toilet seat 2 to integrate the toilet seat 2 and the bolt 11, and the engagement chamber 6 is further integrated.
After passing the ring-shaped rubber washer 12 on the lower surface of the bowl, the shaft 11b of the bolt 11 is inserted into the bolt insertion hole 7 of the toilet 1.
To insert. Next, the toilet bowl 1 is passed through the bolt insertion hole 7.
The rubber bush 13 is attached to the shaft portion 11b protruding from the lower side.
And insert the resin washer 14.

Next, the fastening unit 15 is attached to the shaft portion 11b of the bolt 11. In this case, as shown in FIG.
As in the operation shown in (b), the engaging cam pin 23 is arranged at the one end 33a of the cam hole 33 so that the entire tubular body 31 is displaced downward with respect to the slider 21, and in this state The female screw 22 is attached to the bolt 11 so as to correspond to the escape groove 18. Then, the fastening unit 15
While being slid on the bolt 11 without being disturbed by the male screw 17 of the bolt 11, the tip end of the tubular body 31 is mounted until it comes into contact with the toilet bowl 1 via the resin washer 14 and the rubber bush 13.

When the tip of the tubular body 31 is brought into contact with the toilet bowl 1, the knob 37 of the tubular body 31 is pinched and rotated about 45 degrees. Then, as in the operation shown in (c) and (d) of FIG. 1, the engagement cam pin 23 is arranged at the one end 33 a of the cam hole 33, and the entire tubular body 31 is moved downward with respect to the slider 21. The female screw 2 is attached to the male screw 17 in the displaced state.
Two are screwed together.

Next, as in the operation shown in FIG. 1 (f), the knob 37 of the tubular body 31 is picked and further rotated by about 45 degrees. Then, in this rotation, since the male screw 17 and the female screw 22 are screwed together, this screwing becomes a resistance,
The bolt 11 and the slider 21 do not rotate, and slippage occurs between the tubular body 31 and the slider 21 so that only the tubular body 31 engages with the other end 33b of the cam hole 33.
It is rotated until 3 is abutted. Further, when this rotation is performed, only the engagement pin tubular body 31 is moved along the center of the shaft by the cam action of the engagement cam pin 23 and the cam hole 33, as shown in FIG. Then, the tip of the tubular body 31 is firmly pressed against the toilet bowl 1 side while elastically compressing the rubber bush 13. Further, in this state, the reaction force of the rubber bush 13 acts between the male screw 17 and the female screw 22 to prevent the male screw 17 and the female screw 22 from being easily unscrewed, and the toilet bowl 1 and the toilet seat 2 It is firmly fixed and held between.

Next, when the toilet seat 2 is to be removed from the toilet bowl 1, it can be removed by performing a completely reverse operation to the case of attaching the toilet seat 2.

In the above embodiment, the case where the toilet seat 2 is attached to the toilet bowl 1 has been described, but the present invention is not limited to this and can be widely applied as a general fixing means. Further, the structure in which the cam hole 33 is provided in the tubular body 31 and the engaging cam pin 23 is provided on the slider 21 side is disclosed.
The engaging cam pin 23 may be provided on the cylindrical body 31 side.

[0023]

As described above, according to the present invention,
Slide the slider together with the tubular body to a predetermined position on the bolt, and then rotate it so that the slide and the bolt are screwed together.If the tubular body is further rotated, the tip of the tubular body moves toward the other side. It is strongly abutted, and the final fixing is made by this abutment, and when removing it conversely, it is sufficient to perform the reverse operation, so both attachment and detachment work can be easily performed with a continuous series of operations Therefore, the workability is improved. Further, it is possible to easily perform the work even in a narrow place without using a tool.

[Brief description of drawings]

FIG. 1 is an operation explanatory view of a connector of the present invention.

FIG. 2 is an enlarged sectional view taken along the line AA of FIG.

FIG. 3 is an exploded perspective view of a main part of the connector of the present invention.

FIG. 4 is a side view showing an example of a toilet bowl using the connector of the present invention.

FIG. 5 is a side view of a fastening nut unit used in the connector of the present invention.

FIG. 6 is a bottom view of the fastening nut unit used in the connector of the present invention.

FIG. 7 is an exploded perspective view of a fastening nut unit used in the connector of the present invention.

[Explanation of symbols]

 10 Connecting Tool 11 Bolt 15 Tightening Nut Unit 17 Male Thread 18 Escape Groove 21 Slider 22 Female Thread 23 Engaging Cam Pin 31 Cylindrical Body 33 Cam Hole

Claims (2)

[Claims] 1. A bolt having a striped relief groove formed on an outer peripheral surface thereof, which is formed by cutting off a part of the male screw and is continuous along the center of the shaft, and a mounting hole into which the bolt is inserted. In addition, the slider is provided on the inner surface of the mounting hole so as to be slidable in the clearance groove and capable of being screwed with the male screw when rotated by a predetermined amount. A tubular body that is independently movable with respect to the slider; and a tubular body that is provided between the slider and the tubular body and that rotates independently of the tubular body with respect to the slider. And a cam means for applying a force for moving the body in a direction along the center of the axis of the bolt. 2. The cam structure according to claim 1, wherein the cam means is composed of a cam hole provided on the peripheral surface of the cylindrical body and an engagement cam pin provided on the peripheral surface of the slider by being engaged with the cam hole. The described connector.