JP3142116B2 - Fixing structure of faucet mounting adapter - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fixing structure of an adapter for mounting a faucet to a mounting member such as a counter, and more particularly, to a fixing structure for fixing the faucet to a mounting member from a mounting surface side.

[0002]

2. Description of the Related Art As a mounting structure for mounting a faucet on a mounting surface of a predetermined mounting member, for example, an upper surface of a counter,
Conventionally, a mounting structure shown in FIG. 11 is employed. The mounting structure is such that a male screw tube 202 provided on the faucet main body 200 has a mounting surface with respect to a mounting hole 206 formed in the counter 204,
That is, after inserting the faucet from the upper surface side, the fixing nut 208 is screwed into the male screw tube 202 from the back surface side of the counter 204 to mount the faucet.

[0003]

However, in the case of this mounting structure, the work of tightening the fixing nut 208 must be performed from the back side of the counter 204, so that the workability of mounting the faucet is poor, and the mounting work of the mounting faucet is poor. Therefore, there is a problem that it takes a lot of trouble. As a solution to this, an adapter is fixed to the upper surface of the counter 204 in advance, and the end (lower end) of the faucet main body 200 is connected to the adapter in a state where the end (lower end) is fitted to the adapter. Plug body 2
It is conceivable to attach 00 to the upper surface of the counter 204 via such an adapter.

In such a case, the faucet main body 200 can be attached to the counter 204 from the upper surface side of the counter 204. However, even in this case, it is desired that the adapter can be fixed to the counter from the upper surface side.

[0005]

The invention of the present application has been made to solve such a problem. Thus, the fixing structure of the adapter for mounting a faucet of the present application includes an adapter for fitting and connecting the end of the faucet main body and mounting the faucet main body on the mounting surface of the mounting member through itself. A fixing structure of a faucet mounting adapter for disposing the adapter on the mounting surface so as to match the mounting hole of the mounting member and fixing the adapter to the mounting member from the mounting surface side, ) Is inserted through the mounting hole from the side of the mounting surface,
A clamping member that engages with the back surface of the mounting member by moving in a direction perpendicular to the axis of the mounting hole and clamps the mounting member together with the adapter; and (b) the adapter and the clamping member by operating from the mounting surface side. And a fastening means for fastening the adapter and the holding member in a state of holding the mounting member.

According to another aspect of the present invention, there is provided a fixing structure for a faucet mounting adapter, wherein the fastening means is formed on a bolt inserted into the adapter and on the holding member, and is screwed to the bolt. And a female thread portion (claim 2).

According to another aspect of the present invention, there is provided a fixing structure for a faucet mounting adapter according to any one of claims 1 and 2, wherein the adapter has an opening through which a water or hot water supply pipe is inserted. A plurality of the clamping members and the tightening means are provided on the inner peripheral side of the opening and at locations separated in the circumferential direction (claim 3).

According to another aspect of the present invention, there is provided a fixing structure of a water faucet mounting adapter according to any one of claims 1, 2 and 3, wherein the holding member is provided with a parallel movement perpendicular to an axis of the mounting hole of the adapter. Or, by the movement in the direction accompanied by the rotation, the inner peripheral surface of the mounting hole is slidably contacted with the inner peripheral surface of the mounting hole and rotated by a cam action. A cam portion for integrally rotating to a position where the cam portion is inserted is provided (claim 4).

According to another aspect of the present invention, there is provided a fixing structure for a faucet mounting adapter according to claim 4, wherein the shape of the cam surface of the cam portion is parallel to the axis of the adapter in a direction perpendicular to the axis. The rotation of the adapter causes the holding member to rotate to the predetermined optimum holding position, thereby preventing the adapter from moving in this direction, and preventing the adapter from rotating in both the forward and reverse directions at the stop position of the adapter. (Claim 5).

According to another aspect of the present invention, there is provided a faucet mounting adapter fixing structure according to claim 5, wherein a shape of a cam surface of the cam portion is such that the mounting hole is formed when the holding member is located at the optimum holding position. With reference to a portion that slides on the inner surface, the distance to the center of rotation gradually increases as the distance from the portion in the forward and reverse rotation directions increases.

According to another aspect of the present invention, there is provided a fixing structure for a faucet mounting adapter according to any one of claims 4, 5 and 6, wherein a frictional force between a cam surface of the cam portion and an inner surface of the mounting hole is provided. The friction resistance part which raises is provided, It is characterized by the above-mentioned (Claim 7).

According to still another aspect of the present invention, there is provided a faucet mounting adapter fixing structure according to any one of claims 3, 4, 5, 6, and 7.
The mounting hole has a circular shape, the adapter has a ring shape, the inner opening has the same shape as the mounting hole, and the holding member and the tightening means are provided in the opening. It is arranged at a position deviated to one side in a direction perpendicular to the axis from the center position (claim 8).

[0013]

As described above, in the fixing structure of the adapter according to the first aspect, the holding member and the fastening means are provided, and the holding member is inserted into the mounting hole of the mounting member from the side of the mounting surface. Above, the adapter is moved in the direction perpendicular to the axis of the mounting hole on the mounting surface side to engage the holding member with the back surface of the mounting member, so that the mounting member is sandwiched together with the adapter, and in this state by the fastening means By tightening the holding member and the adapter, the mounting member is held between the front and back sides by these. According to this fixing structure, the adapter is easily fixed to the mounting member from the mounting surface side. can do.

According to the second aspect of the present invention, the fastening means is constituted by the bolt inserted into the adapter and the female thread formed on the holding member. With this structure, the fastening means can be easily constituted. At the same time, the adapter and the holding member can be easily tightened by rotating the bolt from the mounting surface side.

According to a third aspect of the present invention, an opening for inserting a water or hot water supply pipe is formed inside the adapter, and at an inner circumferential side of the opening and at a position circumferentially separated from the opening.
According to this fixing structure, the supply pipe can be connected to the faucet body through the adapter, and the adapter can be provided at a plurality of positions in the circumferential direction. Since the adapter can be fixed to the mounting member, the adapter can be firmly fixed to the mounting member.

According to a fourth aspect of the present invention, in the fixing structure, a cam portion is provided on the holding member in an integrally rotating state, and the adapter is translated in a direction perpendicular to the axis of the mounting hole or in the same direction with rotation. By the cam action of the cam portion, the holding member is rotated to a predetermined position, that is, a position where the holding member is engaged with the back surface of the mounting member and is sandwiched together with the adapter. According to this fixing structure, the adapter is simply moved. By simply moving the holding member in a direction perpendicular to the axis of the mounting hole, the holding member can be rotated to the optimum position, and the mounting work of the adapter can be significantly simplified.

According to a fifth aspect of the present invention, the cam portion prevents further movement of the adapter in the same direction after the holding member is rotated to the predetermined optimum holding position, and the rotation of the cam portion in both the forward and reverse directions is prevented. In the case of this fixed structure, the holding member is optimally pinched by simply moving the adapter in a direction perpendicular to the axis of the mounting hole by parallel movement or rotation. And the position of the adapter itself in a direction perpendicular to the axis can be determined at the same time.

Further, in the stopped state of the adapter, the cam portion is prevented from rotating in both the forward and reverse rotation directions. Therefore, when the adapter and the holding member are fastened by the fastening means, the holding member rotates during the fastening operation. Thus, it is possible to prevent the position of the holding member from deviating from the optimum position. In this case, the shape of the cam surface is based on a portion that slides on the inner surface of the mounting hole when the holding member is located at the optimum holding position. Can gradually increase in shape (claim 6).

According to a seventh aspect of the present invention, there is provided a fixing structure in which a frictional resistance portion is provided on the cam surface. In this way, the cam portion, and hence the holding member, can be reliably and lightly rotated with the movement of the adapter. Can be done.

In the fixing structure of the present invention, the adapter is formed in a ring shape in which an opening inside the adapter has a circular shape the same as the mounting hole, and the holding member and the tightening means are connected to the opening. It is arranged at a position deviated to one side in the direction perpendicular to the axis from the center position of this. According to this fixing structure, the center of the opening and the mounting hole is shifted so that the holding member can be easily attached. The adapter can be inserted into the hole, and the adapter can be easily fixed so that the opening and the mounting hole coincide with each other by moving the adapter in a direction perpendicular to the axis of the mounting hole and tightening the fastening means. .

Further, since the mounting holes and the openings of the adapter coincide with each other, it is possible to easily connect the water or hot water supply pipe to the faucet body through the openings and the mounting holes, and to insert the supply pipes and the like. A space can be efficiently and widely secured.

[0022]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention will be described in detail with reference to the drawings. 1 to 3 show a structure for mounting a faucet to a counter 12 as a mounting member. In these figures, reference numeral 10 denotes a faucet erected on the counter 12, which has a faucet main body 14, an operation lever 16, and a water discharge pipe 18, and a lower end portion is fixed to the counter 12 in advance. It is attached to the counter 12 via the adapter 20.

More specifically, the faucet main body 14 has a cylindrical portion 22 at the lower end, and the cylindrical portion 22 is externally fitted to the corresponding flat circular adapter 20 and the adapter 20 and is attached to the counter 12 via the adapter 20.

In FIG. 1, reference numeral 28 denotes a supply pipe for water or hot water, which is inserted through a mounting hole 26 formed in the counter 12 and whose upper end is connected to the faucet body 14. As shown in FIGS. 2 and 3, the cylindrical portion 22 and the adapter 20 have a through hole 30 for the screw 24 and a female screw hole 3 respectively.
2 is formed, and a screw 24 is formed in the insertion hole 30.
Is screwed into the female screw hole 32 of the adapter 20 after being inserted through the cylindrical portion 22.

FIGS. 4 to 9 show a mounting structure and a mounting method of the adapter 20 to the counter 12. The adapter 20 is a circular ring-shaped member having a predetermined height in the axial direction. The adapter 20 has a circular opening 34 inside the same as the mounting hole 26. A flange 36 is formed.
At the upper side of the counter 12.

The lower end of the adapter 20 has an O-ring 3
The O-ring 38 seals the space between the adapter 20 and the upper surface of the counter 12 in a water-tight manner at a position surrounding the mounting hole 26.

A pair of inwardly protruding portions 40 are provided on the inner peripheral side of the adapter 20. As shown in FIG. 7, each of the protrusions 40 is provided with a bolt hole 42 that penetrates in a vertical direction, and a shaft portion 46 of the bolt 44 is rotatable with the head 47 on the upper side. It has been inserted. Incidentally, the pair of projecting portions 40 is disposed at a position offset to the lower side in the drawing with respect to the center O ₁ of the opening 34 as shown in FIG. That is, the opening 3 with respect to the center O ₁
4 is deviated to one side in a direction perpendicular to the axis.

In FIG. 4, reference numeral 48 denotes a claw member having a holding claw 50 as a holding member. This pinching claw 50
A cam portion 52 is provided integrally on the upper side. As shown in FIG. 6, each of the claw members 48 is formed with a female screw portion 54 penetrating the claw member 48 in the up-down direction, into which a male screw portion 56 of the bolt 44 (see FIG. 7) is screwed. Have been.

Here, the holding claw 50 has a substantially triangular planar shape such that the width gradually decreases from the base end to the tip end. On the other hand, the cam portion 52 has a cam surface having a predetermined shape on its outer peripheral surface. The shape of the cam surface is shown in FIG.
Center of the internally threaded portion 54 as shown (C), the words perpendicular direction from the intersection region Q ₁ and P ₁ between the center line P ₁ passing through the end center of the rotation center O ₃ and Kyojitsume 50 of the pawl member 48 over at an intersection Q ₂ and a line P _2, the distance to the rotational center O ₃ is a gradually increasing shape.

Further for Q ₁ portion near the cam surface is an arcuate surface having a larger circle R of curvature than the other portion. The arc surface serves as a stopper surface as will be described in detail later.
It can also be a straight parallel to ₂ . However, this Q ₁
The arcuate surface having the same curvature as the other portions may be formed in the vicinity.

Next, the procedure for fixing the adapter 20 in this embodiment will be specifically described below. First, the bolt 44 and the claw member 48 are attached to the adapter 20, and in this state, the adapter 20 is laid down so that the line connecting the centers of the pair of bolts 44 is oriented in the horizontal direction. At this time, the pair of holding claws 50 are in a state of facing downward due to gravity. In this state, the adapter 20 is set on the mounting hole 26, and the pair of claw members 48 are inserted through the mounting hole 26 so that the holding claws 50 are positioned on the back side of the counter 12 (FIGS. 4 and 5). reference).

At this time, as shown in FIG. 9 (I), the portion of Q _{2 on} the cam surface of the cam portion 52 comes into contact with the inner surface of the mounting hole 26. The arrangement positions of the protruding portion 40, the bolt 44, and the claw member 48 are determined in advance. However, the cam portion 52 may be brought into contact with the inner surface of the mounting hole 26 when the adapter 20 is moved a predetermined distance in a direction perpendicular to the axis of the mounting hole 26 after the claw member 48 is inserted into the mounting hole 26.

In this state, the adapter 20 is moved in a direction perpendicular to the axis passing through the center O ₁ of the mounting hole 26 (downward in FIG. 7) by parallel movement or accompanied by rotational movement. Then, by the action of the outer peripheral cam surface of the cam portion 52, the cam portion 52 and the holding claw 50 rotate integrally outwardly with each other as shown in FIG. 9 (II).

The center O _{1 of the} opening is the center O _{2 of the} mounting hole 26.
Just at matching, in a state where Q ₁ site on the cam surface is in contact with the inner surface of the mounting hole 26, as also shown in FIG. 9 (III), a line P passing through the tip center of the pinching claws 50 at this point
₁ is in a state of being directed at right angles to the inner surface of the mounting hole 26. That is, at this time, the holding claws 50 are engaged with the back surface of the counter 12 over the widest area, and the counter 1
2 is sandwiched from both upper and lower surfaces together with the adapter 20.

Then, when the bolt 44 is tightened from the upper surface side of the counter 12, the adapter 20 and the holding claws 50 are tightened.
Is a state where the counter 12 is strongly tightened, and the adapter 20 is firmly fixed to the upper surface of the counter 12 here.

It should be noted that in this example, the holding claws 50 are arranged as shown in FIG.
At the point when the optimum clamping position shown in I) is reached, the outer peripheral cam surface of the cam portion 52 acts to prevent further movement of the adapter 20.

Therefore, according to the present embodiment, simply by moving the adapter 20 in the direction perpendicular to the axis of the mounting hole 26, the adapter 20 can be automatically positioned and stopped at the optimum position. In addition, in this example, the bolt 44
, The claw member 48, that is, the pinching claw 50, is prevented from rotating together by the action of the outer peripheral cam surface of the cam portion 52.

FIG. 10 shows another embodiment of the present invention. In this embodiment, an uneven friction resistance portion 58 is provided on the outer peripheral cam surface of the cam portion 52 along the circumferential direction. In this case, the claw member 48, that is, the cam portion 52 and the holding claw 50 can be further smoothly rotated, and the adapter 20 can be smoothly moved in a direction perpendicular to the axis of the mounting hole 26.

Although the embodiment of the present invention has been described in detail above, this is merely an example. In the present invention, for example, a holding member is provided integrally with the adapter in a non-rotating state, and the adapter 20 is attached to the mounting hole. By moving the holding member in a direction perpendicular to the axis of 26, the holding member can be positioned on the back surface of the counter 12 together with the adapter 20 so as to hold the counter 12 from above and below. In the other examples above, a frictional resistance portion with an uneven shape is provided on the cam surface, but instead of providing such an uneven shape, it is also possible to attach a rubber cap or an adhesive tape that acts as a non-slip function, The present invention can be configured in a form in which various changes are made without departing from the gist thereof.

[Brief description of the drawings]

FIG. 1 is a view showing a state in which a faucet is mounted on a counter.

FIG. 2 is an exploded view of the faucet main body and the adapter in FIG. 1;

FIG. 3 is a diagram showing the faucet main body in FIGS. 1 and 2 separately from an adapter mounted on a counter.

FIG. 4 is a view showing the adapter in FIGS. 1 to 3 in a state before being attached to a counter.

FIG. 5 is a diagram showing the adapter of FIG. 4 in a middle stage of being attached to the counter.

FIG. 6 is a diagram showing a configuration of a claw member in FIGS. 4 and 5;

FIG. 7 is an explanatory diagram of a method of fixing the adapter in FIGS. 4 and 5;

FIG. 8 is a partially cutaway view showing a state where the adapter of FIGS. 4 and 5 is attached to a counter.

FIG. 9 is an explanatory diagram for explaining an operation of a cam portion in the claw member of FIG. 6;

FIG. 10 is a diagram showing a main part of another embodiment of the present invention.

FIG. 11 is an explanatory diagram for explaining the background of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 faucet 12 counter 14 faucet main body 20 adapter 26 mounting hole 28 supply pipe 34 opening 40 projecting part 44 bolt 48 claw member 50 clamping claw 52 cam part 54 female screw part 58 frictional resistance part

Claims (8)

(57) [Claims] 1. A state in which an end of a faucet main body is fitted and connected, and an adapter for mounting the faucet main body on the mounting surface of the mounting member via itself is fitted to a mounting hole of the mounting member. A fixing structure for a faucet mounting adapter for fixing the adapter to the mounting member from the side of the mounting surface after being disposed on the mounting surface, wherein (a) the mounting hole from the side of the mounting surface to the mounting hole. A gripping member that is inserted and engages the back surface of the mounting member by the movement of the adapter in a direction perpendicular to the axis of the mounting hole to hold the mounting member together with the adapter; and (b) operation from the mounting surface side A fastening means for fastening the adapter and the holding member in a state where the mounting member is held between the adapter and the holding member. 2. The apparatus according to claim 1, wherein said fastening means comprises a bolt inserted into said adapter, and a female screw portion formed on said holding member and screwed to said bolt. Fixing structure for faucet mounting adapter. 3. The adapter according to claim 1, wherein the adapter has an opening through which a supply pipe of water or hot water is inserted, and the holding member and the fastening means are provided with the opening. A fixing structure for a faucet attachment adapter, wherein a plurality of taps are provided on an inner circumferential side and at a position separated in a circumferential direction. 4. The mounting member according to claim 1, wherein said holding member is provided with said mounting hole by means of parallel movement or rotation in a direction perpendicular to the axis of said mounting hole of said adapter. A cam portion is provided which is brought into sliding contact with the inner peripheral surface to rotate by a cam action, engages the holding member with the back surface of the mounting member, and integrally rotates together with the adapter to a position where the mounting member is held. A fixing structure for a faucet mounting adapter, characterized in that: 5. The shape of a cam surface of the cam portion according to claim 4, wherein the shape of the cam surface is such that the adapter is rotated by itself in parallel with the axis of the adapter or by movement in the direction accompanied by rotation. The water is characterized in that the adapter is prevented from moving in the direction after the adapter is rotated to the determined optimum clamping position, and is prevented from rotating in both forward and reverse directions when the adapter is stopped. Fixing structure of plug mounting adapter. 6. The cam surface according to claim 5, wherein the shape of the cam surface of the cam portion is more reverse than the shape of the cam surface of the cam portion when the holding member is located at the optimum holding position. A fixing structure for a faucet mounting adapter, characterized in that the distance to the center of rotation gradually increases as the distance in both rotation directions increases. 7. A friction resistance portion according to claim 4, wherein a frictional portion for increasing a frictional force between the cam portion and the inner surface of the mounting hole is provided on the cam surface of the cam portion. Fixing structure of the faucet mounting adapter. 8. The mounting hole according to claim 3, wherein the mounting hole has a circular shape, the adapter has a ring shape, and the inner opening has the mounting hole. Wherein the holding member and the fastening means are disposed at a position deviated to one side in a direction perpendicular to the axis from the center of the opening. Adapter fixing structure.