JPH1199077A - Water discharge device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To open and close a water discharge port even by a rubber plug by providing an engaging and disengaging part on the lower end part of a water discharge port metal fitting fitted with a plug lid opened and closed through a release by external operation force and forming a water discharge space larger than the entire height dimension of the rubber plug inside the water discharge port metal fitting at the upper part of the engaging and disengaging part at the time of detaching a water discharge part. SOLUTION: One end of the release 5 whose other end is connected to an operation part 6 is connected to the lower end of the guide part 12 of the water discharge part 2 formed on the water discharge port metal fitting 1 disposed to the bottom part of the container A of a sink or the like. For the water discharge part 2, by elastically locking a pawl part 22c' at the lower end of an elastic locking pawl to a step surface provided on the lower end part of the metal fitting 1 at the time of inserting it from the upper part into the metal fitting 1, the water discharge part 2 is freely engageably and disengageably mounted to the state of being mounted to the engaging and disengaging part at the lower end part of the metal fitting 1. Then, in the state of pulling out the water discharge part 2 upwards by utilizing the elasticity of the elastic locking pawl, a deep space without projections is made to appear at the upper part of the engaging and disengaging part, the rubber plug provided with a prescribed height can be fitted to the space and this water discharge device using the rubber plug is provided.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a drainage device for opening / closing a drainage port by remote control of an operation unit, and more particularly to a drainage device for opening / closing a drainage port by transmitting the operating force of an operation unit to a stopper by release. Things.

[0002]

2. Description of the Related Art Conventionally, a drainage device has a structure in which a guide portion for vertically guiding a support shaft of a plug lid is locked to an inner peripheral surface of a drainage fitting. In this drainage device, a ratchet mechanism (thrust lock mechanism) that repeats locking and unlocking of the support shaft each time the operation unit is pressed is built in the guide unit, or the ratchet mechanism (thrust lock mechanism) is provided on the operation unit side. ) Is built in to communicate the end of the release and the support shaft in the guide. Such a drainage device is shown in FIGS.
As shown in FIG. 3, a rib 32 is integrally or integrally protruded from the guide portion 12 in a cross shape or a radial shape in a plan view to form a support portion 22, and the support portion 22 is formed on the inner peripheral surface of the drainage fitting 1 from above. It is structured so that it can be inserted and removed by inserting it. If the support portion 22 is configured to be locked by being inserted from above, the guide portion 12 as well as the support portion 22 can be pulled out, so that all of the drainage space of the drainage fitting 1 is relaced as shown in FIG. The space between the operation part 6 provided on the upper edge of the bathtub and the guide tube 200 extending from the operation part 6 to the drainage fitting 1 is inserted into the center of the rib 32 fixed to the drainage fitting 1. The space 32a is a space for attaching and fixing the guide portion. The relace 5 can be drawn out from the drainage fitting 1 into the bathtub as compared with the conventional one (indicated by a two-dot chain line), and the guide portion 12 on the drainage fitting 1 can be drawn out. In contrast, the advantage that the connection work of one end (the end opposite to the operation side end) of the relay 5 can be easily performed can be achieved.

[0003]

As a matter of fact, the locking structure described above is a guide ridge 7 projecting inward from the drainage fitting 1 and having a vertical groove 17 at the tip as shown in FIGS. And an elastic plate portion 18 protruding from the drainage fitting 1 and raising the upper half thereof and a locking ridge portion 8 having a hole 18a formed in the elastic plate portion 18 with the shaft core of the drainage fitting 1 respectively. The support portion 22 is provided with a pair of positioning protrusions 42 which are inserted into and engaged with the longitudinal grooves 17 of the guide ridges 7 at the protruding ends of the ribs 32 of the support portion 22, and which are inserted and locked into the holes 18a. Each of the projections 52 is formed, and the positioning projections 42 are engaged with the vertical grooves 17 by being inserted from above the support portions 22, and the locking projections 52 are fitted and fixed in the holes 18a. The locking relationship with the hole 18a of the locking projection 52 is released by the elastic pressing operation from the inside to the outside. It is, thereby making it possible to remove the water discharge portion itself comprised of a guide portion 12 supporting portion 22.. However, the guide ridges 7 and the locking ridges 8 extend vertically with the middle height position of the inner peripheral surface of the drainage fitting 1 as an intermediate region, and occupy a large amount of the drainage space of the drainage fitting 1 in the height direction. Therefore, it cannot be used as a drainage device for opening and closing a drainage port with a rubber stopper having a height of about 20 mm.

[0004] The present invention has been made in view of the conventional circumstances, and a technical problem thereof is a drainage device in which a guide portion that guides a support shaft of a plug lid so as to be vertically movable is disengaged from an inner peripheral surface of a drainage fitting. In addition, it is intended to be used as a drainage device that can be opened and closed with a rubber stopper.

[0005]

The technical means taken to achieve the above object is as follows. A first aspect is a drainage fitting and a guide portion which guides a supporting shaft of a stopper so as to be able to move up and down. A drain portion formed by projecting a support portion toward the drain portion, and an engaging / disengaging portion for inserting and removing an engaging portion formed on the drain portion from above at a lower end portion of the inner peripheral surface of the drain port fitting, The gist of the present invention is to secure a drainage space larger than the overall height of the rubber plug in the drainage fitting above the engagement / disengagement portion when the is removed from the engagement / disengagement portion. A second aspect of the present invention is directed laterally from a drainage fitting having a projection of a desired length protruding at a position near the lower end of the inner peripheral surface, and a guide portion for guiding a supporting shaft of a stopper so as to be vertically movable. A drain portion formed by projecting a support portion toward the drain portion, the drain portion having a width dimension smaller than the space between the projections on the support portion, and being elastically engaged with a lower end portion of the drainage fitting. The gist of the present invention is that a plurality of pawls are vertically provided between the projections, and a receiving portion mounted on the projection is formed at a lower end portion of the support portion. The gist of the present invention is that the depth dimension of the drainage space in the drainage fitting above the projection is secured to be larger than the overall height of the rubber plug. According to a fourth aspect of the present invention, the engagement / disengagement portion of the first aspect secures a drainage space in the drainage fitting with a depth greater than the entire height of the rubber plug so that the strainer can be pulled out and inserted into the lower end portion of the drainage fitting. The gist of this is that

According to the above technical means, the following effects are obtained. (Claim 1) In the present device, the drainage portion is provided at the lower end portion of the inner peripheral surface of the drainage fitting, so that the drainage portion above the engagement / disengagement portion has a deep space without protrusions after the drainage portion is removed. Can be left, and this space stably holds the rubber stopper. (Claims 2 and 3) In this device, when the drainage part is inserted into the drainage fitting from above, the elastic locking claw passes between the projections of the drainage fitting to reach the lower end of the fitting, and the lower end has an elasticity. At the same time, the mounted portion comes into contact with the projection. The abutment of the receiving portion against the projection prevents the drainage portion from dropping, and the engagement of the elastic locking claw with the lower end portion of the drainage mouthpiece prevents the drainage portion from rising, thereby stably supporting the drainage portion. . Then, the drainage portion can be pulled out upward by utilizing the elasticity of the elastic locking claw to release the engagement with the lower end portion of the drainage fitting, and can be used as a drainage device in which a rubber stopper is fixed in place. . (Claim 4) Furthermore, the strainer can be locked below the rubber stopper so as to be removable.

[0007]

Next, an embodiment of the present invention will be described with reference to the drawings. First, in the embodiment of the drainage device of the present invention shown in FIGS. 1 to 5, reference numeral 1 denotes a drainage fitting,
Reference numeral 2 denotes a drainage section, and 3 denotes an engaging / disengaging section.

As shown in the figure, the drainage fitting 1 has a short cylindrical shape having a hooking flange 11 for the drainage opening a integrally formed on the upper edge thereof. The bottom of the container A such as a bathtub, a basin, a sink, or the like is formed. The supporting member 4 is screwed to a screw portion 21 provided on the outer peripheral surface, and the holding member 11 sandwiches and attaches the supporting member 4. In addition, the drainage fitting 1 is provided with a projection 13 having a desired length at a desired interval at the same level position near the lower end of the inner peripheral surface (see FIGS. 2 and 3).
(See FIG. 4).

The drain portion 2 comprises a guide portion 12 of a support shaft 12a disposed on the axis of the drainage space 100 of the drainage fitting 1 and a support portion 22 projecting from the guide portion 12.

The guide portion 12 has a tubular shape and has a stopper lid 12.
The support shaft 12a provided at the upper end of a 'is inserted vertically movably from the upper end, and the thrust lock mechanism 12b is provided inside.

The thrust lock mechanism 12b has a well-known structure in which the support shaft 12a is alternately locked and unlocked at the rising end each time the lower end of the support shaft 12a is pushed upward (for example, in the case of a real honest). No. 7-12458).

The release 5 for operating the thrust lock mechanism 12b has a well-known structure in which a core coil (not shown) is slidably inserted into the outer tube 15. One end of the release 5 is an upper surface of a bathtub or a basin. Operation unit 6 arranged on the upper edge surface etc.
And a plunger 25 connected to the other end of the guide portion 12 and connected to the other end of a core coil (not shown) is provided protruding inside the guide portion 12.

The support portion 22 is connected to an end of a connecting piece 22a extending radially or crosswise from the guide portion 12 by an outer ring plate 22b, and is also spaced apart from the outer ring plate 22b by an elastic locking claw 22c. Are vertically provided with a slit (longitudinal slit) 22d therebetween. The elastic locking claw 22c serves as an engagement portion with the engagement / disengagement portion 3 described later.

The engaging and disengaging portion 3 is provided with the projection 13 of the drainage fitting 1.
And the lower end of the drainage fitting 1.

The elastic locking pawl 22c, which is the engaging portion, is provided on the outer race plate corresponding to the space between the adjacent projections 13, 13.
It is suspended from the 22b part, and its width dimension is the same as the projection 13,
Make the width smaller than the space between 13
22c 'protrudes outward.

When the drainage portion 2 is inserted into the drainage fitting 1 from above, the elastic locking claw 22c is locked to the lower end of the drainage fitting 1 at its lower end by utilizing its elasticity. You. The lower end portion of the drainage fitting 1 to which the elastic locking claw 22c is elastically engaged does not need to be the lower end surface of the drainage fitting 1 as shown in the figure, but encompasses the vicinity of the lower end portion. It is. In this case, a step portion 31 having a slight height facing inward upward from the lower end face portion immediately below the space between the projections 13 is formed. The claw portion of the elastic locking claw 22c is provided on this step surface 41.
22c 'is elastically locked so that the claw portion 22c' does not protrude from the lower end of the drainage fitting 1.

When the claw portion 22c 'of the elastically deformable claw 22c is locked to the lower end of the drainage fitting 1, the mounted portion 23, which is the lower surface of the outer race plate 22b, automatically engages with the projections 13 described above. The height position is determined so as to be placed on the upper surface.

In the drainage device constructed as described above, when connecting the other end of the release 5 having one end connected to the operation portion 6, one end is connected to the operation portion 6 and the guide tube 200 is inserted therethrough in the same manner as in the prior art. The other end of the wired release 5 is drawn out through the drainage space 100 of the drainage fitting 1 to above the drainage fitting 1, and is connected to the lower end of the guide 12 at that position. Then, when the drainage section 2 provided with the guide section 12 is inserted from above, the claw section 22c 'at the lower end of the elastic locking claw 22c is brought into contact with the projection 1 of the drainage fitting 1.
3 and 13 to reach the lower end of the bracket 1 and the step surface 41
At the same time, the receiving portion 23 is placed (contacted) on the upper surfaces of the protrusions 13. The receiving portion 23 on the upper surface of the protrusions 13...
The engagement of the claw portion 22c 'with the step surface 41 prevents the drainage portion 2 from rising. When the drainage portion 2 is pulled upward by using the elasticity of the elastic locking claw 22c so as to release the locking with the step surface 41, the projections 13 are present only in the vicinity of the lower end of the drainage fitting 1 ( The protrusion 13 is left deep in the upper part without any obstruction of the protrusion, and is used as a drainage device using a rubber stopper X having a height of about 20 mm. (FIG. 5). still,
The stopper lid 12a 'is connected to the drainage port a separated from the hook flange 11 of the drainage fitting 1 each time the support shaft 12a alternately locks and unlocks at the rising end thereof each time the operation unit 6 is pushed. The opening and closing of the drain port a while sitting on the latching flange 11 are alternately performed. Although not shown, the upper surfaces of the projections 13 may be formed as downward inclined surfaces inclined in the axial direction. With this configuration, the projection 13 is located below the rubber stopper X.
Are present, but since the upper surface is inclined downward, the guiding action prevents dust, hair, and the like from being caught, and cleaning is easy.

Next, the case of FIG. 6 will be described. FIG. 6 shows a case where there is no thrust lock mechanism in the guide part 12, that is, a thrust lock mechanism is provided on the operation part 6 side, and the lower end of the support shaft 12a is Drain part 2 of the type pushed by jar 25
Is shown. In the drainage section 2 of this embodiment, a support shaft 12a is inserted into the guide section 12 so as to be vertically movable, and the guide section 12
A screw hole 12c is formed in the lower end of the screw hole 12c.
Through the lower recess 12d recessed from the lower end of the support shaft 12a
The plunger 25 provided at the end of the release 5 is inserted into the screw hole 12c, and the base of the plunger 25 is detachably screwed into the screw hole 12c to form an operating portion. The support shaft 12a is provided with an upper recess 12e from the upper end side.
In FIG. 5E, a vertically extending rod 12a "vertically extending from the center of the stopper lid 12a 'is removably inserted. The configurations of the support portion, the engagement portion, and the engagement / disengagement portion are shown in FIGS. The configuration shown is adopted.

Referring further to FIG. 7, there is shown an embodiment in which the strainer 9 is provided below the rubber plug X so as to be removable therefrom. The strainer 9 has a form in which leg pieces 29 in a radial or cross shape are connected to an outer ring plate 19 having a total height of about several millimeters. The elastic locking claws 19a project downward, and the outward claws of the elastic locking claws 19a are provided.
At the same time, the lower surface of the outer race plate 19 is placed on the flat upper surface of the projection 13 (an engaging and disengaging portion) or on the upper surface of the downward slope. It has become.

[0021]

DESCRIPTION OF THE PREFERRED EMBODIMENTS In the embodiment in which the strainer 9 is not provided, the total height of the drainage fitting 1 is about 30 mm, and the highest position of the upper surface of the projection 13 is located several millimeters higher than the lower end of the drainage fitting 1. . Therefore, when the drainage portion 2 is removed, a drainage space 100 having no deep protrusions which can be closed by the rubber stopper X having a total height of about 20 mm can be secured above the upper surface position of the protrusion 13. When the strainer 9 is disposed, the entire height (several millimeters) of the outer race plate 9 is set to the drain space 10 above the projection 13.
Although it occupies 0, since it is several millimeters, the plugging with the rubber plug X is not obstructed.

[0022]

As described above, the present invention has the following advantages. Claims 1, 2 and 3 are drainage parts which are formed by projecting a support part laterally from a guide part which guides a support shaft of a plug lid in a vertically movable manner at a lower end portion of an inner peripheral surface of a drainage fitting. Since the engaging portion is provided with an engaging and disengaging portion which can be inserted and removed from above, a deep space without any protrusions is left above the engaging and disengaging portion after removing the drainage portion from the drainage fitting. Secures the rubber stopper deeply to secure the rubber stopper. Therefore, a convenient drainage device that can be used as a drainage device that can be opened and closed with a rubber stopper can be provided. Claim 2
In this case, the drainage part can be engaged and removed manually by inserting and pulling out, which not only simplifies the work, but also prevents the drainage part from dropping due to the contact of the receiving part with the projection, and elastically locks to the lower end of the drainage fitting. The drainage portion in use can be stably supported by preventing the drainage portion from rising by locking the claw. According to the fourth aspect, the lower part of the rubber stopper can be effectively used as a strainer mounting space.

[Brief description of the drawings]

FIG. 1 is a sectional view showing a use state of a drainage device.

FIG. 2 is an exploded sectional view of a main part.

FIG. 3 is an enlarged plan view of a main part.

FIG. 4 is an enlarged sectional view of a drainage device.

FIG. 5 is an enlarged sectional view of a main part showing a state in which a rubber stopper is used.

FIG. 6 is an enlarged sectional view of a drainage device according to still another embodiment.

FIG. 7 is an enlarged sectional view of a main part in a state where a rubber stopper is used in another embodiment.

FIG. 8 is a reference sectional view showing a state where the release is drawn out of the drainage space of the drainage fitting.

FIG. 9 is an enlarged plan view of a conventional drainage device.

FIG. 10 is a sectional view taken along line (10)-(10) in FIG. 9;

[Explanation of symbols]

1: Drainage fitting 2:
Drainage part 22: Support part 12:
Guide 12a ': stopper lid 12a:
Support shaft 3: Engagement / removal part (projection 13) X:
Rubber stoppers 22c, 19a: elastic locking claws (engaging portions) 23:
Received part 22c ', 19a': Claw part 100:
Drainage space 9: Strainer 12
a ": hanging rod

Claims (4)

[Claims] 1. A drainage fitting comprising: a drainage fitting; and a drainage part formed by projecting a support part laterally from a guide part for guiding a support shaft of a stopper so as to be vertically movable. At the lower end of the inner peripheral surface, there is provided an engaging / disengaging portion for inserting and removing the engaging portion formed on the drainage portion from above, and when the drainage portion is removed from the engaging / disengaging portion, a rubber stopper is provided in the drainage fitting above the engaging / disengaging portion. A drainage space that is larger than the overall height of the drainage device. 2. A drainage fitting having a projection of a desired length projecting at a position near a lower end of an inner peripheral surface thereof, and a guide portion for guiding a supporting shaft of a stopper so as to be movable up and down. And a drain portion formed by projecting a support portion. The drain portion has a width dimension smaller than a space between the projections on the support portion, and is elastically locked to a lower end portion of the drainage fitting. A plurality of pawls are provided vertically corresponding to the projections, and a receiving portion to be placed on the projections is formed at a lower end of the support portion. 3. The drainage device according to claim 2, wherein a depth dimension of the drainage space in the drainage fitting above the projection is larger than a total height dimension of the rubber stopper. 4. The engaging and disengaging portion locks a strainer at a lower end portion of the drainage fitting so as to be able to be inserted and removed with a drainage fitting having a drainage space deeper than the overall height of the rubber plug. The drainage device according to claim 1, wherein: