JPH02243864A - Joint coupling connection structure for water collecting device - Google Patents

Abstract

PURPOSE:To easily execute construction by inserting a joint coupling between a drain cylinder and a connecting ring installed onto the outer periphery of the drain cylinder and deforming an elastic piece by the cam part of the drain cylinder by turning the connecting ring and engaging the engagement part of the elastic piece and the engaged part of the joint coupling. CONSTITUTION:An elastic piece 5 is deformed outward by oppositely setting the gradient part of a cam part 9 installed on a drain cylinder 2 and the elastic piece 5 of a connecting ring 4 by turning the connecting ring 4. The connecting ring 4 is turned furthermore, and the elastic piece 5 contacts the stopper 15 of the cam part 9, and the turn of the connecting ring 4 is suppressed. Then, a joint coupling 6 is inserted between the connecting ring 4 and the drain cylinder 2, and the engagement part 7 of the elastic piece 5 and the engaged part of the joint coupling 6 are set oppositely. The connecting ring 4 is turned furthermore, together with the joint coupling 6, and the elastic piece 5 is returned vertically by oppositely setting the elastic piece 5 and the gradient part 9a of the cam part 9, and the engagement part 7 and the engaged part 8 are engaged.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a structure for connecting a joint such as an elbow to a water collector, and particularly to a structure for removably connecting a rectangular joint to a rectangular water collector. It is related to.

[Conventional technology 1] Conventionally, when connecting a joint such as an elbow to a water collector, the upper part of the joint was fitted into a drain pipe provided at the bottom of the water collector and fixed by gluing it with an adhesive. The protrusion and hole were fitted together in a tight-fitting manner to secure the protrusion and hole.

[Problem to be Solved by the Invention 1] However, in such conventional examples, once the joint is connected to the water collector, it cannot be removed. It was inconvenient if you wanted to replace it.

The present invention has been made in view of the above points, and an object of the present invention is to connect a joint to a water collector in a detachable manner so that cleaning and repair can be easily done outside. To provide a structure for connecting a joint to a water collector so that the position at which the joint comes off can be sensed by turning.

[Means for Solving the Problems 1] In order to achieve the above object, the joint connection structure to the water collector of the present invention is such that a drain pipe 2 is provided at the lower part of the water collector 1, and a drain pipe 2 is provided at the lower part of the water collector 1.
A connecting ring 4 is rotatably attached to the outer circumference of the connecting ring 4, an elastic piece 5 that can be deformed in the outward and outward directions is provided on the inner circumferential side of the connecting ring 4, and the upper part of the joint 6 is inserted between the connecting ring 4 and the drain pipe 2. Then, by locking the locking part 7 provided on the elastic piece 5 and the locked part 8 provided at the upper end of the joint 6, and rotating the connecting ring 4, the locking part 7 is separated from the locked part 8. A cam part 9 is provided on the outer periphery of the drain tube 2, which deforms the elastic piece 5 outward so that it separates, or deforms the elastic piece 5 inward so that the locking part 7 locks on the locked part 8,
When the elastic piece 5 is deformed outward by the cam part 9, the elastic piece 5
It is characterized in that a stopper 15 is provided on the cam portion 9 to prevent the connecting ring 4 from rotating any further when it hits the cam portion.

[Operation] While the connecting ring 4 is rotated and the elastic piece 5 is deformed outward by the cam part 9, the upper part of the joint 6 is inserted between the connecting ring 4 and the drain tube 2, and the locking part 7 and The locked portions 8 are made to correspond to each other, and the connecting ring 4 is rotated to deform the elastic piece 5 inward, whereby the locking portion 7 and the locked portion 8 can be locked and connected. After construction, the connecting ring 4 is rotated, the elastic piece 5 is deformed outward by the cam part 9, the locking part 7 and the locked part 8 are disengaged, and the joint 6 is pulled out downward. 6 can be removed.

When the connecting ring 4 is rotated and the elastic piece 5 deforms outward and the locking part 7 and the locked part 8 are disengaged, the elastic piece 5 hits the stopper 15 and the connecting ring 4 no longer rotates. , it can be sensed that the locking part 7 and the locked part 8 have been disengaged.

[Example] First, the embodiment shown in FIGS. 1 to 9 will be described.

The water collector 1 is a rectangular one made of synthetic resin or the like,
A cylindrical drain pipe 2 is integrally suspended from the lower part, and an annular groove 10 is bored on the upper outer periphery of the drain pipe 2 over the entire circumference. A cam portion 9 is provided below this groove 10 over the entire circumference. This cam part 9 includes a circular arc part 9a centered on the center of the drain pipe 2 and a slope part 9b projecting from the circular arc part 9a.
It is made up of. In the case of this embodiment, most of the arc portions 9
A sloped portion 9b is provided at a position 180° rotationally symmetrical to a. Further, a bottle 15a is provided as a stopper 15 projecting from the top of the slope portion 9a. The connecting ring 4 is formed of a synthetic resin or the like in a rectangular shape that is continuous with the rectangular water collector 1, and is arranged around the outer periphery of the drain tube 2. A pair of protruding pieces 11 are provided inwardly protruding from the upper part of the connecting ring 4, and the protruding pieces 11 are inserted into the groove 1.
0, and the arcuate surface 11a of the projecting piece 11 is brought into sliding contact with the bottom of the groove 10, so that the connecting ring 4 is rotatably mounted. The lower part of the connecting ring 4 is provided with an edge 12 that projects toward the inner periphery, and a rectangular opening 13 is provided on the inner periphery of the edge 12. A pair of elastic pieces 5 are protruded symmetrically from the inner periphery of the edge 12, and a locking part 7 is provided on the elastic pieces 5 to protrude inwardly, and the upper end of the elastic piece 5 is connected to a cam part. It is in contact with 9. The elbow-like joint 6 is made of synthetic resin and has a rectangular shape. A locked portion 8 is provided at the upper end of the joint 6 so as to protrude outward. The connection of the joint 6 to the water collector 1 is performed as follows. By rotating the connecting ring 4, the inclined part 9b of the cam part 9 and the elastic piece 5 are made to correspond to each other, and the elastic piece 5 is deformed outward as shown in FIG.
As shown in Figure (a) (+3), connect the upper part of the joint 6 to the connecting ring 4.
and the drain pipe 2, so that the locking part 7 and the locked part 8 correspond to each other. With the elastic piece 5 deformed outward, the elastic piece 5
It can be sensed that the elastic piece 5 is in a state where it hits the stopper 15, the connecting ring 4 no longer rotates, and the elastic piece 5 is deformed outward. Next, as shown in FIG. 9(c), the connecting ring 4 is rotated together with the joint 6 so that the elastic piece 5 and the arcuate part 9a of the cam part 9 correspond to each other, and the elastic piece 5 is returned vertically by elastic force. Then, as shown in FIG. 7, the locking portion 7 and the locked portion 8 are locked. When removing the joint 6, rotate the connecting ring 4 as shown in FIG. 9(c) to bring it into the state shown in FIG. 8, and remove the joint 6 as shown in FIG. 9(d). At this time, it can be felt that the elastic piece 5 hits the stopper 10 and the connecting ring 4 stops rotating, so that the locking part 7 and the locked part 8 are disengaged.

Further, FIG. 10 shows another embodiment. In the case of this embodiment, the cam portion 9 has a pair of concave curved portions 9c spanning an approximately 90° range and approximately 90°.
It is composed of a pair of convex curved portions 9d extending over a range of 100° to 1000°C, and a bottle 15a is provided as a stopper 15 protruding from the convex curved portions 9d. In this case, when the concave portion 9c of the cam portion 9 and the elastic piece 5 correspond to each other, the elastic piece 5 deforms inward so that the locking portion 7 and the locked portion 8 are locked. When the curved portion 9d and the elastic piece 5 correspond to each other, the elastic piece 5 deforms outward and the locking portion 7 and the locked portion 8 are disengaged.

Also, when the convex curved portion 9d and the elastic piece 5 correspond to each other, the stopper 1
5, the connecting ring 4 no longer rotates, and the user can feel that the locking portion 7 and the locked portion 8 are no longer locked.

Furthermore, FIG. 11 shows another embodiment. In this embodiment, the cam portion 9 is composed of a circular arc portion 9a and a convex curved portion 9d, and a concave portion 15b is provided as a stopper 15 at the top of the convex curved portion 9d. Moreover, in this embodiment, there is a recess 1 in the center of the arcuate portion 9a.
6 is provided. In this case, when the elastic piece 5 fits into the recess 16 of the arcuate portion 9a of the cam portion 9, the elastic piece 5 deforms inward and the locking portion 7 and the locked portion 8 are locked. At this time, by fitting the elastic piece 5 into the recess 16, the position where the locking part 7 and the locked part 8 are locked can be sensed and the connection ring 4 can be prevented from rotating inadvertently. When the top of the convex curved portion 9d corresponds to the elastic piece 5, the elastic piece 5 deforms outward and the locking part 7 and the locked part 8 are disengaged. It fits into the fourth part 15)) and locks the locking part 7.
You can feel that the locked part 8 has come off.

Furthermore, FIG. 12 shows another example. In this case, the cam portion 9 is composed of a circular arc portion 9a and a convex curved portion 9d, and a step portion 17 is provided between the circular arc portion 9a and the convex curved portion 9d. In this case, when the arcuate portion 9a of the cam portion 9 and the elastic piece 5 correspond, the elastic piece 5 deforms inward so that the locking portion 7 and the locked portion 8 are locked, and the convex curved portion When the elastic piece 9d corresponds to the elastic piece 5, the elastic piece 5 deforms outward and the locking part 7 and the locked part 8 are disengaged. In addition, since there is a stepped portion 17, even if the connecting ring 4 rotates within the range of angle α, the locking portion 7 and the locked portion 8
β is not released and the elastic piece 5 overcomes the stepped portion 17.
In the angle range of
You can confirm that it has reached the position where it can be removed.

[Effect of the invention 1] Since the present invention is constructed as described above, when the connecting ring is rotated and the elastic piece is deformed outward at the cam part, the upper part of the joint is inserted between the connecting ring and the drain tube. By inserting it, the locking part and the locked part can be matched, and the connecting ring can be rotated to deform the elastic piece inward to lock and connect the locking part and the locked part. The joint can be removed by rotating the connecting ring and deforming the elastic piece outward at the cam part to release the lock between the locking part and the locked part and pulling the joint downward, The joint can be easily connected to the water collector and also easily removed from the water collector, making it easy to remove the joint from the water collector for cleaning, etc., and to repair parts if they break. It is easy to replace, etc., and can be easily temporarily assembled during construction.Moreover, it is designed to prevent the connecting ring from rotating further when it hits the elastic piece when the elastic piece is deformed outward at the cam part. Since the stopper is provided on the cam part, when the connecting ring is rotated and the locking part and the locked part come to a position where they are released, the elastic piece will hit the stopper and you can feel the position and easily remove the joint. It is possible.

[Brief explanation of drawings]

Fig. 1 is a perspective view showing a water collector and a connecting ring of the present invention, Fig. 2 is a perspective view of the above connecting ring in a rotated state, Fig. 3 is a partially cutaway perspective view of the main parts of the above, and Fig. Fig. 4 is a perspective view of the drain tube portion same as above, Fig. 5 is a perspective view of the connecting ring same as above, Fig. 6 is a partially omitted perspective view of the state in which the above joint is connected, Fig. 7 (a) (b).
) is a front sectional view and a plan sectional view of the same connection state as above, and Fig. 8 (
,)(b) is a front sectional view and a plan sectional view of the same as above when the connection is removed, and Figure 9(,)(b)(c)(d) shows the state of connecting the joint to the same as the water collector. The schematic perspective view, FIG. 10, FIG. 11, and FIG. 12 are explanatory diagrams showing the other side of the same as above, in which 1 is a water collector, 2 is a drain pipe, 4 is a connecting ring, 5 is an elastic piece,
6 is a joint, 7 is a locking part, 8 is a locked part, 9 is a cam part, 1
5 is a stopper. Agent Patent attorney Ishi 1) 艮 7r Figure 6 5...Elastic piece 6...Joint

Claims (1)

[Claims] [1] A drain pipe is provided at the bottom of the water collector, a connecting ring is rotatably attached to the outer periphery of the drain pipe, and an elastic piece that can be deformed in the outward and outward directions is provided on the inner circumferential side of the connecting ring. Insert the upper part of the joint between the cylinder, lock the locking part provided on the elastic piece and the locked part provided at the upper end of the joint, and rotate the connecting ring to lock the locked part. A cam part is provided on the outer periphery of the drain pipe, which deforms the elastic piece outward so as to separate from the stop part, and deforms the elastic piece inward so that the locking part locks with the locked part. A structure for connecting a joint to a water collector, characterized in that a stopper is provided on a cam part to prevent a connecting ring from rotating any further when it hits an elastic piece while the elastic piece is deformed outward.