JPH09119424A - Clip for connection - Google Patents

Abstract

PROBLEM TO BE SOLVED: To connect, for example, a low tank and a closet seat strongly to a stool by a simple work, without using a tool even at a small place. SOLUTION: A clip for connection is provided with a nut 20 having first/ second nut pieces 20A, 20B which are each provided with a female screw 21 on their inner surfaces and also having an elastic spring material 20C for energizing so that each female screw 21 of the nut pieces 20A, 20B can be moved from the engaging position engaged with the male screw 4c of a bolt 4 to the direction of the non-engaging position where the engagement is released and a case 30 by which the nut pieces 20A, 20B each can be changed over from the non-engaging position to the engaging position by the movement for the nut 20 and against the energizing of the elastic spring material 20C.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connecting clip which can be used in place of a nut when, for example, a low tank or a toilet seat is attached to a toilet bowl by using a bolt.

[0002]

2. Description of the Related Art Today, Western style toilets have low tanks, heating,
A toilet seat having various functions such as cleaning and drying is used. This type of low tank and toilet seat is required to be easily removable for maintenance, inspection, and cleaning, and many technologies have been proposed that enable easy installation and removal without the use of special tools. There is. This can be seen, for example, in Japanese Utility Model Publication No. 59-64100.

FIG. 11 shows an example of a conventional toilet bowl with a toilet seat attached.
It is the same as the technique disclosed in No. 100. FIG.
As shown in FIG. 5, in this toilet 102, the connector 50 is used between the toilet seat 101 and the toilet 102 to attach the toilet seat 101 to the toilet 102.

As shown in detail in FIGS. 12 and 13, the connector 50 has a shaft 51a of a bolt 51 and a toilet seat 101.
The case 53 and the bolt insertion hole 103 of the toilet 102 are inserted and penetrated from above, and the ring-shaped rubber packing 52 and the ring-shaped pressing plate 6 are inserted from below into the bolt shaft portion 51a after the insertion.
After passing 3, the nut 54 is screwed. Also, nut 5
4, bosses 55 are provided on both sides of the boss 55 so that the main fasteners 56 are screwed into the bosses 55 on both sides so as to be tightly fixed. The main fastener 56 has a cam surface 56a formed at one end and an operation knob portion 56b formed at the other end. Further, the cam surface 56a is located at the center of the boss hole into which the boss portion 55 is fitted. , A <c <b.

In the full fastener 56, first, as shown in FIG.
2, tighten the nut 54 in the vertical position,
The rubber packing 52 is compressed while pushing the pressing plate 53 upward with the dimension a of the cam surface 56a. Next, as shown in FIG. 12, the main fastener 56 is tilted in the lateral direction. Then, a <
The pressing plate 63 is pushed upward by c, that is, the d dimension, which is the difference between the a dimension and the c dimension, and the rubber packing 52 is moved to the toilet 102.
The case 103 can be firmly connected to the toilet 102 by being crimped onto the lower surface of the toilet bowl. Therefore, even in the structure using the full fastener 56, the toilet seat 101 is inserted through the case 53 of the toilet seat 101.
Can be attached to the toilet 102.

[0006]

However, in the above-described conventional structure of the connector, when the toilet seat is attached to the toilet, first the nut 54 to which the main fastener 56 is fixed is rotated to move it to a predetermined position. After that, it is necessary to perform the final tightening by rotating the main fastener 56. On the other hand, when removing, conversely, the tightening by the final tightening fastener 56 that has been finally tightened is released, and then the nut 54 to which the final tightening fastener 56 is fixed is rotated to move to a predetermined position. It is necessary to remove the toilet seat 101 together with the case 53 from the toilet 102 after removing the bolt from the bolt 51, but this takes time. For this reason, there has been a problem that removal and installation are troublesome during maintenance inspection and cleaning.

The present invention has been made in view of the above problems, and an object thereof is to use a tool even in a narrow place without using a tool.
It is an object of the present invention to provide a connecting clip that can easily connect, for example, a low tank or a toilet seat to a toilet bowl by a simple operation. Further, other objects will be clarified sequentially in the contents described below.

[0008]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention relates to a connecting clip that engages with a male thread portion of a bolt, and has at least two semi-cylindrical shapes each having a female thread portion on its inner surface. Having nut pieces, the female thread portions of each nut piece are movably biased in a direction from an engagement position where the male thread portion of the bolt is engaged to a disengagement position where the engagement is released. A nut having a biasing means for moving the nut, and a case that can be switched from the non-engaging position to the engaging position by moving the nut pieces against the bias of the biasing means. It is configured to include.

According to this, when each nut piece is arranged at the non-engaging position, the bolt is passed through the nut, and when the nut is inserted to a predetermined position, the case is moved with respect to the nut. The piece is switched from the disengaged position to the engaged position. By this switching, the female thread portion of the nut is engaged (screwed) with the male thread portion of the bolt to prevent the nut from coming off, and thus, the engagement between the bolt and the nut can be easily performed.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described in detail below with reference to the drawings. FIG. 3 is a side view showing an example of a toilet bowl to which a toilet seat or a low tank is attached using the connecting clip of the present invention. In this embodiment, the connector 3 of the present invention is used for attaching the toilet seat 2 having various functions such as heating, washing, and drying to the toilet bowl 1 or for mounting the low tank T for storing water on the support portion 1A of the toilet bowl 1. Are using. The connection tool 3 will be described on the example of the low tank T side, but the same applies to the toilet seat 2 side.

The connector 3 is shown in FIG. 1 and FIG.
Bolt 4 as shown as an enlarged cross-section along the line
And a connecting clip 8.

More specifically, the bolt 4 has a head 4a.
And a shaft portion 4b, and a male screw 4c is engraved on the shaft portion 4b. Here, the bolt 4 is attached to the bottom portion 5 of the low tank T.
A mounting hole 6 through which the shaft portion 4b passes is provided. And
The bolt 4 is incorporated in the bottom portion 5 of the raw tank T by inserting the shaft portion 4b into the mounting hole 6. After that, the shaft 4 of the bolt 4
b is inserted into the bolt insertion hole 7 of the support portion 1A provided integrally with the toilet bowl 1. Further, when the bolt 4 is thus inserted into the bolt insertion hole 7 on the toilet bowl 1 side, the lower end of the shaft portion 4b is projected from the lower side of the support portion 1A.

The detailed structure of the connecting clip 8 is also shown in FIGS. 4 to 10. The connecting clip 8 is composed of nut pieces 20A and 20B, which are roughly divided, and a case for holding the nut 20. It is composed of 30 and.
4 is a side view of the clip, and FIG. 5 is B of FIG.
-B line sectional view, FIG. 6 is a side view of the clip, and FIG. 7 is a CC line sectional view of FIG. Further, FIG. 8 shows a single case, the same (a) is a top view, the same (b) is a side view, and the same (c).
[Fig. 4] is a side view of the same (a) viewed from the direction A. 9A and 9B show one nut piece. FIG. 9A is a top view, FIG. 9B is a front view, and FIG. 9C is a side view. FIG. 10 shows the other nut piece. FIG. 10 (a) is a top view, FIG. 10 (b) is a front view, and FIG. 10 (c) is a side view.

Therefore, the detailed structure of the connecting clip 8 will be described below with reference to FIGS. 4 to 10. First, the nut 20 includes a first nut piece 20A and a second nut piece 20B which are vertically divided, and the nut pieces 20A and 20B.
And an elastic spring member 20C that keeps a distance on the inner diameter side. The first nut piece 20A and the second nut piece 20B are made of a resin material and are formed substantially symmetrically except for the upper side. The inner peripheral surface of the first nut piece 20A and the second nut piece 20B are internally threaded with the male thread 4c of the bolt 4. 21 is formed over substantially the entire surface, and a support portion 22 that holds the elastic spring material 20C in an engaged state is formed to project at the lower end side. On the other hand, on the outer peripheral surface, a pin 23 is integrally formed on the lower end side in a state of protruding outward.

The upper side of the first nut piece 20A and the second nut piece 20B has an internal thread 2 as shown in FIGS.
1 has a diameter larger than that of the portion forming 1 and has semi-arcuate flange portions 24 and 25 which can be connected to each other, and a pair of connecting pieces 26 formed to project from the end surface of the flange portion 24. Is connected by engaging with a corresponding fitting hole 27 provided on the end face of the flange portion 25. That is, the connecting piece 26 is projected on both end surfaces of the flange portion 24, and the claw 26a is formed at the tip portion thereof. On the other hand, the fitting hole 27 is formed so as to penetrate rearward from both end surfaces of the flange portion 25. And each nut piece 20A, 2
When connecting 0B, the elastic spring member 20C is interposed on the lower side, while the connecting piece 26 is inserted into the fitting hole 27 and is prevented from coming off by the claw 26a when penetrating the fitting hole 27. With this retaining structure, each nut piece 20
The A and 20B are allowed to approach each other via the connecting piece 26.

The elastic spring member 20C is made of a metal spring member and is formed into a substantially C shape as shown in FIG.
And this elastic spring material 20C is a nut piece 20A, 2
0B is arranged on each support portion 22 to hold the lower inside (inner diameter) dimension between the nut pieces 20A, 20B when not receiving an external force, and when the external force is received, the nut pieces bend in a direction in which the inner diameter becomes smaller and each nut piece 20A, 20B is allowed to move inward, and when the external force is released, each nut piece 20A, 20B
The structure is such that B can be pushed back outward to increase the inner diameter. That is, when no external force is applied, the internal diameter of the female screw 21 formed by each of the nut pieces 20A and 20B is arranged at a position sufficiently larger than the male screw 4c of the bolt 4 (hereinafter referred to as "non-engaging position"). ing.
On the other hand, when an external force is applied, the inner diameter of the female screw 21 formed by each of the nut pieces 20A and 20B becomes smaller while the notch portion of the elastic spring member 20C narrows, and the female screw 21 conforms to the male screw 4c of the bolt 4. Then, the position where the male screw 4c and the female screw 21 can be screwed together (hereinafter, referred to as "engaging position").
Each nut piece 20A, 20B can be arranged.

The case 30 is formed of a resin material as a member having a substantially cylindrical shape having upper and lower surfaces opened. Also,
A cam groove 31 is formed on the peripheral surface, with which the pin 23 of each nut piece 20A, 20B is slidably engaged. The cam groove 31 constitutes cam means together with the pin 23, and the first cam groove 31a extends straight in the vertical direction.
And a second cam groove 31b continuously extending in the rotation direction (radial direction) from the lower end side of the first cam groove 31a.
And formed. The inner peripheral dimension of the case 30 is not uniform from the top to the bottom, and is formed larger in the upper portion 32a and smaller in the lower portion 32b.
Further, the part 32c in the middle thereof is formed as an inclined surface. Further, as shown in FIG. 8 (a), on the inner circumference, projections 33 for pressing are formed facing each other as shown in FIG. 8 (a), and as shown in FIG. As shown in FIG. 7, the positioning ribs 34 are also formed at two locations so as to face each other. Then, in the case 30, the nut pieces 20A combined through the elastic spring member 20C,
20B along the positioning rib 34 and the cam groove 31.
It is arranged while engaging the pin 23 with. By thus incorporating the nut 20 into the case 30, the connecting clip 8 as shown in FIGS. 4 to 7 is formed.

Further, in the connecting clip 8 thus formed, the position of the nut 20 in the case 30 is
As shown in FIGS. 4 to 6 (the same applies to FIG. 2), when the pin 23 is arranged in the state of being moved to the upper end of the first cam groove 31a, the nut 20 is arranged in the large diameter portion 32a of the case 30. In the "unlocked state", the nuts 20A and 20B of the nut 20 are connected to each other by the connecting piece 26, and are expanded to the maximum by the elastic spring member 20. Retained. On the other hand, nut 2
Move the case 30 in the direction along the axis with respect to 0
When 3 is arranged at the lower end of the first cam groove 31a, the lower end side of the nut 20 is moved to the small diameter portion 32b side of the case 30 in a "locking state", and the nut pieces 20A and 20B of the nut 20 The space is narrowed while bending the elastic spring material 20C, and is held at the "engagement position". In this case, the upper side of each nut piece 20A, 20B is the connecting piece 26.
Approach through. Further, since the pressing projections 33 provided on the case 30 are in pressure contact with the back surfaces of the nut pieces 20A and 20B, the engagement does not loosen,
Securely retained.

Next, the procedure for attaching the raw tank T to the toilet bowl 1 using the thus constructed connecting device 3 will be described. First, as shown in FIG. 1, the bolt 4 is inserted from the low tank T side into the bolt insertion hole 7 of the support portion 1A on the toilet bowl 1 side, and the lower end of the shaft portion 4b is projected from the lower side of the support portion 1A. It is in. Here, the connecting clip 8 is prepared, the connecting clip 8 is set in the “non-locking mode”, and the shaft portion 4b is inserted into the nut 20. At this time, nut 2
Since each nut piece 20A, 20B of 0 is held in the "non-engagement position" and the space between each nut piece 20A, 20B is maximally opened, the shaft portion 4b is smoothly inserted into the nut 20. Are arranged.

When the upper surface of the nut 20 is brought into contact with the lower surface of the supporting portion 1A, the case 30 is further strongly pressed upward (toward the supporting portion 1A). Then, the nut 20 does not move by hitting the supporting portion 1A of the toilet 1 as shown in FIG. 2, but the case 30 slides with respect to the nut 20 and the pin 23 is guided by the first cam groove 31a and moves to the groove lower end side. To be done. At this time, the protrusions 33 make the nut pieces 20A, 20
As a result of riding on the back of B, each nut piece 20A, 20B
Is pushed inward so that the female screw 21 is the male screw 4 of the bolt 4.
Firmly engage with c. At the same time, when the lower end of the nut 20 is placed in the small-diameter portion 32b of the case 30 by the movement of the pin 23, the nut pieces 20A and 20B are moved to the "engagement position".
, The entire connecting clip 8 is in the “locking mode”, and the female screw 21 of the nut 20 is screwed into the male screw 4c of the bolt 4 to lock the connecting clip 8 at that position, whereby the toilet seat Fixing of 1 and toilet 2 is completed. Then, when the case 30 is further rotated so that the pin 23 is arranged in the second cam groove 31b, the case 30 and the nut 20 are prevented from being inadvertently moved in the axial direction. be able to.

Next, when removing the low tank T from the toilet bowl 1, the case 30 is operated in the reverse direction with respect to the nut 20, that is, the case 30 is rotated in the reverse direction and the pin 23 causes the first cam groove 3 to move.
When the case 30 is moved downward after being positioned inside 1a, the space between the nut pieces 20A and 20B of the nut 20 is expanded by the urging force of the elastic spring member 20C to the "non-engagement position". Therefore, the connecting clip 8 can be easily removed from the bolt 4.

In the above embodiment, the two nut pieces 20A and 20B, the first and second nut pieces, have the upper portion connected movably by the connecting piece 26 and the fitting hole 27. It does not matter even if such a connecting piece is not provided. Further, in the above description, the example on the low tank T side in FIG. 3 has been described, but the connector 3 on the toilet seat 2 side in FIG.
The same is true for.

[0023]

As described above, according to the present invention,
With each nut piece in the disengaged position, insert a bolt through this nut, and when the nut piece is inserted to the specified position, move the case relative to the nut to engage each nut piece from the disengaged position. The bolt is easily moved to the position, and the female screw portion of the nut is engaged (screwed) with the male screw portion of the bolt to prevent the nut from coming off, whereby engagement between the bolt and the nut can be easily achieved. That is, both work of attachment and removal can be easily performed by a continuous series of operations, and workability is improved. Further, it is possible to easily perform the work even in a narrow place without using a tool.

[Brief description of the drawings]

FIG. 1 is an enlarged cross-sectional view at a non-engaging position taken along the line AA of FIG.

FIG. 2 is an enlarged sectional view of a portion shown in FIG. 1 at an engagement position.

FIG. 3 is a side view of a toilet bowl shown as an example of an embodiment of a connecting clip according to the present invention.

FIG. 4 is a side view showing the connecting clip according to the present invention in an unlocked state.

FIG. 5 is a sectional view taken along line BB of FIG. 4;

FIG. 6 is a side view showing the connecting clip according to the present invention in a locked state.

FIG. 7 is a sectional view taken along line CC of FIG. 6;

FIG. 8 is a view showing a single case of the connecting clip.

FIG. 9 is a view showing a nut piece on one side forming a nut of the connecting clip.

FIG. 10 is a view showing a nut piece on the other side which constitutes a nut of the connecting clip.

FIG. 11 is a side view showing an example of a conventional toilet bowl with a toilet seat attached.

FIG. 12 is an operation explanatory view showing the conventional connecting tool before being tightened and fixed.

FIG. 13 is an operation explanatory view showing the conventional connecting tool after it is fastened and fixed.

[Explanation of Codes] 1 Toilet bowl 3 Connecting tool 4 Bolt 4b Shaft portion 4c Male screw 8 Connecting clip 20 Nuts 20A, 20B Nut piece 20C Elastic spring material (biasing means) 21 Female screw 23 Pin (cam means) 30 Case 31 Cam groove (Cam means) T low tank

Claims (2)

[Claims] 1. A connecting clip to be engaged with a male screw portion of a bolt, comprising at least two or more semi-cylindrical nut pieces each having a female thread portion on an inner surface thereof, and the female thread portion of each of the nut pieces. A nut having an urging means for movably urging from an engagement position engaged with the male screw portion of the bolt toward a non-engagement position where the engagement is released; And a case capable of switching each nut piece from the non-engaging position to the engaging position against the bias of the biasing means. 2. When the case is moved between the nut and the case in a direction along an axis and then further rotated about the axis, the nut piece is engaged from the non-engagement position to the engagement position. The connecting clip according to claim 1, further comprising cam means that can be switched to a position.