JP2005016260A - Stopper made of resin - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a stopper made of resin simply fitted to a flexible tube. <P>SOLUTION: The flexible tube 4 is connected to the downstream end N of a mixed water supply pipe 2a for supplying water and hot water mixed water mixed in a water faucet 2 to a shower head 3 side and the upstream end M of the shower head 3 with the downstream end 4a inserted in a shower holder 3a supporting the shower head to be drawn out. The upstream one X of bent parts X, Y of the flexible pipe 4 is inserted, and the downstream side Y of the bent parts X, Y is inserted in the stopper 40 made of resin, thereby regulating the shower head 3 from being drawn out from the shower holder 3a to excess in drawing out the shower head 3. The stopper 40 is formed of two half bodies 41, 42, and further semicircular cutouts 44, 45 for passing the upstream one X out of the bent parts X, Y and semicircular cutouts 46, 47 for passing the downstream one Y out of the bent parts X, Y are provided in each symmetrical position of the half bodies 41 42, respectively. Further one half body 41 is provided with a locking part 50, and the other half body 42 is provided with a locked part 51. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a resin stopper.
[0002]
[Prior art]
[Patent Document 1] Japanese Patent Application Laid-Open No. 2002-106006 [Patent Document 2] Japanese Patent Application Laid-Open No. 2003-27547 The present applicant has provided a shower holder on the faucet body to support the shower head so that the shower head can be pulled out. A hot water mixing tap with a water purifying function is attached to a flexible pipe connected to the downstream end of the mixed water supply pipe and the upstream end of the shower head with a lead weight that restricts the shower head from coming out of the shower holder at the time of withdrawal. (Refer to Patent Document 1 and FIG. 7).
[0003]
That is, in FIG. 7, for example, a hot water mixing tap 100 with a water purification function for a kitchen is a mixing tap that appropriately mixes hot water and water flowing in from a hot water supply pipe H and a water supply pipe C and supplies mixed water to the mixed water supply pipe 102a. A main body 102, mixed water supplied from the mixing plug main body 102, or raw water made of water, a shower head 103 for discharging the purified water, and a flexible pipe connecting the shower head 103 and the mixed water supply pipe 102a 104, a supply pipe 102b communicatively connected to the hot water supply pipe H, a supply pipe 102c communicatively connected to the water supply pipe C, a mixing ratio of hot water supplied to the mixed water supply pipe 102a and a water discharge amount including water stoppage. The shower head 103 is supported by a shower holder 103a through which the flexible tube 104 can be inserted. Has become can be drawn out from the end 103b. The flexible tube 104 drawn out from the lower end of the shower holder 103a is connected to communicate with the mixed water supply tube 102a while passing through the guide 105, and a weight 106 made of lead is connected to the flexible tube 4. It is provided in the middle. The shower head 103 includes a synthetic resin grip 111 in which a cylindrical water purification cartridge 110 is interchangeably incorporated, and a synthetic resin spout body connected to the downstream end of the grip 111 by screwing. 112. When the shower head 103 is pulled out, the weight 106 moving to the flexible tube 4 and the friend hits the guide 105, thereby restricting the shower head 103 from coming out of the shower holder 103a too much.
[0004]
[Problems to be solved by the invention]
However, the weight 106 is divided into two parts and is tightened with two screws so as to sandwich the flexible tube 104, and a work for attaching the heavy weight 106 and a guide 105 against which the weight 106 hits are provided directly below the sink 120. The work of attaching to the attachment plate 121 is troublesome.
[0005]
In order to avoid this, out of the bent portion of the flexible pipe connected to the downstream end of the mixed water supply pipe for supplying hot water mixed water mixed in the faucet body to the shower head side and the upstream end of the shower head There is a resin stopper that restricts the shower head from coming out of the shower holder when the shower head is pulled out (see Patent Document 2). ).
[0006]
However, in the resin stopper described in Patent Document 2, before connecting the open end (upstream end) of the flexible pipe connected to the shower head to the downstream end of the mixed water supply pipe, first, the resin The open end is inserted downward into one opening of the stopper made from the upper surface side of the opening to reach a predetermined position on the downstream side of the flexible tube, and then the flexible tube is bent to the other end of the resin stopper. It is necessary to perform an installation work that requires time and effort to insert the open end upward from the lower surface side of the opening and then connect the open end to the downstream end of the mixed water supply pipe.
[0007]
In addition, Patent Document 2 describes a lightweight resin stopper that is attached in the middle of the flexible tube in place of the weight 106, but as with the weight 106, the flexible tube is sandwiched between them. A structure in which a resin stopper is attached by tightening a resin screw is employed, and it is desired to attach this kind of resin stopper with a single touch for work in a narrow space below the sink.
[0008]
The present invention has been made in view of the above problems, and an object thereof is to provide a resin stopper that can be attached to a flexible tube with one touch.
[0009]
[Means for Solving the Problems]
In order to achieve the above object, the resin stopper according to the present invention is provided with a showerhead that mixes hot and cold water mixed in the faucet body with the downstream end inserted into a shower holder that supports the showerhead so that it can be pulled out. While the upstream side of the bent portion of the flexible tube connected to the downstream end of the mixed water supply pipe to be supplied to the upstream side and the upstream end of the shower head is inserted, the downstream side of the bent portion is inserted, Thereby, a resin stopper that restricts the shower head from coming out of the shower holder when the shower head is pulled out, the stopper is formed of two halves, and further, the upstream side of the bent portion is disposed on the upstream side. Semi-circular cutouts for insertion and semicircular cutouts for insertion in the downstream side of the bent portions are respectively symmetrical positions of the halves. Provided, further, on one of the half body, characterized in that the locking portion, the other half body engaging portion is provided.
[0010]
Further, according to another aspect of the present invention, there is provided a mixing device that supplies hot water mixed water mixed in the faucet body to the shower head side in a state where the downstream end portion is inserted into a shower holder that supports the shower head so that the shower head can be pulled out. The first resin stopper through which the upstream side of the bent portion of the flexible pipe connected to the downstream end of the water supply pipe and the upstream end of the shower head is inserted, while the downstream side of the bent portion is inserted A resin stopper that restricts the shower head from coming out of the shower holder when the shower head is pulled out, and a second stopper made of a cylinder attached to the flexible tube. The first resin stopper member is formed of two first and second halves, and further, a semicircular notch for inserting an upstream side of the bent portion, A semicircular cutout for inserting the downstream side of the bent portion is provided at each symmetrical position of each of the first and second halves, and the first half is further associated with the first half. While the locking portion and the second half body are provided with a locked portion, the second resin stopper member is formed by two third and fourth half bodies and is also possible. Protrusions that fit into spiral grooves formed on the outer peripheral surface of the flexible tube are provided on the inner peripheral surfaces of the third and fourth halves, respectively, and further, There is provided a resin stopper characterized in that a locking portion is provided on the stopper and the fourth half body.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below. Note that the present invention is not limited thereby.
[0012]
1 to 4 show an embodiment of the present invention.
1 to 4, a hot water mixing tap 1 with a water purification function for a kitchen is a mixture that appropriately mixes hot water and water flowing in from a hot water supply pipe H and a water supply pipe C and supplies hot water mixed water to a mixed water supply pipe 2a. A stopper body (water faucet body) 2, mixed water supplied from the mixing stopper body 2, or raw water made of water, a shower head 3 for discharging the purified water, the shower head 3 and a mixed water supply pipe 2a And a flexible tube 4 for connecting the two. The flexible pipe 4 has a joint member T at a downstream end N of a mixed water supply pipe 2a that supplies hot water mixed water, whose upstream end 4b is mixed in the mixing plug main body (water faucet main body) 2 to the shower head 3 side. And the tip of the downstream end 4a is connected to the upstream end M of the shower head 3 to form a feed water supply flow path. As shown in FIGS. 1 and 3, the flexible tube 4 hangs downward from the upstream end 4 b, reaches the lowest position Z, and then bends upward from this to rise toward the shower head 3. is doing. X indicates the upstream portion of the bent portion of the flexible tube 4, and Y indicates the downstream portion of the bent portion of the flexible tube 4.
[0013]
2b and 2c are supply pipes connected to the hot water supply pipe H and the water supply pipe C, respectively. It is. The mixing plug body (water faucet body) 2 is mounted on the mounting surface portion 16 via a cylindrical mounting member 17 which is fixed after being fitted into one through hole 16a provided in the mounting surface portion 16 of the sink. The supply pipes 2b and 2c and the mixed water supply pipe 2a are inserted into the mounting member 17. The mounting member 17 has a male screw P on the outer periphery, while the mounting member 17 is screwed to the male screw P from the lower surface side of the mounting surface portion 16 via a packing 19a that contacts the peripheral surface of the through hole 16a on the lower surface of the mounting surface portion 16. It is fixed to the mounting surface portion 16 by a washer 19. Reference numeral 17 a denotes a lower opening of the attachment member 17.
[0014]
The shower head 3 is supported by a shower holder 3a through which the flexible tube 4 can be inserted, and can be pulled out from the tip 3b of the shower holder 3a. When the shower head 3 is pulled out, the flexible tube 4 is also pulled out from the lower end of the shower holder 3a. The shower holder 3 a is attached to a cylindrical rotating lid F that covers the lower part of the mixing plug body 2.
[0015]
The shower head 3 includes a synthetic resin grip 11 in which a cylindrical water purification cartridge 10 is interchangeably incorporated, and a synthetic resin water outlet connected to the downstream end of the grip 11 by screwing. It consists of a main body 12. The water purification cartridge 10 has, for example, a high performance antibacterial fiber activated carbon filter. 14 is a through hole of the water purification cartridge 10 and is located on the axis of the water purification cartridge 10. The through hole 14 forms a raw water flow path communicating with the water supply flow path.
[0016]
The spout main body 12 has a raw water opening 20 communicating with the raw water flow path on the axis at the upstream end, and a water purification opening 21 immediately below the raw water opening 20 at the upstream end. The water purification opening 21 communicates with an annular water purification passage formed outside the water purification cartridge 10. That is, in the clean water discharge state, the annular space S formed between the inner peripheral surface m from the grip portion 11 of the shower head 3 to the spout main body 12 and the outer peripheral surface n of the filter 13 is filtered by the filter 13. The purified water flows out to the purified water opening 21.
[0017]
The characteristic configuration of the present invention will be described below.
[0018]
Reference numeral 40 denotes a first resin stopper member having two insertion holes (round holes) 40a and 40b through which the flexible tube 4 is inserted. The upstream portion X of the bent portion of the flexible tube 4 is inserted through the insertion hole 40a. Further, the downstream portion Y of the bent portion of the flexible tube 4 is inserted into the insertion hole 40b.
[0019]
The first resin stopper member 40 is formed by two halves 41 and 42, and the two halves 41 and 42 are connected by a pair of thin upper and lower hinges 49.
[0020]
Furthermore, semicircular notches 44 and 45 for inserting the upstream portion X of the bent portion, and semicircular notches 46 and 47 for inserting the downstream portion Y of the bent portion are provided. , Respectively provided at symmetrical positions of the halves 41 and 42. In other words, the first half body 41 has two semicircular cutouts 44 and 46, and the second half body 42 also has two semicircular cutouts 45 and 47. That is, the second half-divided body 42 includes a semicircular notch 45 that forms the insertion hole 40 a with the semicircular notch 44, and a semicircular notch 47 that forms the insertion hole 40 b with the semicircular notch 46. Have
[0021]
The insertion hole 40a is set to have an inner diameter that makes it difficult for the flexible tube 4 to pass through the insertion hole 40b. That is, the inner diameter of the insertion hole 40a is set to be approximately equal to the outer diameter of the flexible tube 4. Therefore, the portion 400 inserted through the insertion hole 40a of the portion X on the upstream side of the flexible tube 4 is caught in the insertion hole 40a. On the other hand, the inner diameter of the insertion hole 40 b is set larger than the outer diameter of the flexible tube 4. Thus, as shown in FIG. 3, when the shower head 3 is pulled out, the two-dot chain line from the state indicated by the solid line while the flexible tube 4 is raised in the direction of the lower opening 17a of the mounting member 17 (J direction). It will be in the state shown by. That is, as the shower head 3 is pulled out, the downstream portion Y rises in the J direction through the insertion hole 40b, but the portion 400 inserted through the insertion hole 40a in the upstream portion X is caught by the insertion hole 40a. Thus, the fixed position can be maintained in the insertion hole 40a without protruding downward from the insertion hole 40a. In this state, the lowest position Z rises to the position of Z ′, but in the flexible tube 4, the upstream part X ′ and the downstream part Y ′ below the first resin stopper member 40 are Compared with the case of the lowest position Z, the length from the lowest position Z ′ becomes shorter and the flexible tube 4 cannot be pulled up any more, so that the shower head 3 can be prevented from coming out of the shower holder 3a too much. .
[0022]
The first resin stopper member 40 has a claw (locking portion) 50 at the tip of one half body 41 and a claw (locking portion) 50 at the tip of the other half body 42. It has an engaging hole (locked portion) 51 to be mated.
[0023]
Thus, one resin stopper member 40 in the state shown in FIG. 4A is set so that the portion 400 of the flexible tube 4 comes to the position of the insertion hole 40a, and is engaged with the claw (locking portion) 50. The first resin stopper member 40 can be attached to a predetermined position of the flexible tube 4 by a simple one-touch attachment operation in which the joint hole (locked portion) 51 is engaged. In other words, the first resin stopper member 40 is formed of two halves 41 and 42, and the engagement hole (engaged) that engages the claw (locking portion) 50 and the claw (locking portion) 50. Since the stoppers 51 are integrally provided on the halves 41 and 42 themselves, the resin stopper is fastened with a single screw as in the prior art, or the open end of the flexible tube connected to the shower head ( Prior to connecting the upstream end) to the downstream end of the mixed water supply pipe, it is possible to dispense with laborious mounting work and improve workability.
[0024]
5 and 6 show another embodiment of the present invention. 5 and 6, the same reference numerals as those shown in FIGS. 1 to 4 are the same or equivalent.
[0025]
Reference numeral 50 denotes a resin stopper, which includes the first resin stopper member 40 and a cylindrical second resin stopper member 20 attached to the flexible tube 4. As described above, the first resin stopper member 40 is formed of the first and second halves 41 and 42 and the first and second halves 41 and 42. Are connected by a pair of thin upper and lower hinge portions 49.
[0026]
The cylindrical second resin stopper member 20 is attached to a predetermined position of the flexible tube 4. This predetermined position is a position where it is possible to restrict the shower head 3 from being excessively pulled out of the shower holder 3a when the shower head 3 is pulled out, and the first resin stopper member 40 can be placed below the insertion hole 40b. It is attached between the lowest position Z of the flexible tube 4. The outer diameter of the resin stopper member 20 is set larger than the inner diameter of the insertion hole 40b.
[0027]
Further, the cylindrical second resin stopper member 20 is formed by the third and fourth two halves 21 and 22 and the third and fourth two halves 21 and 22. Are connected by a pair of thin upper and lower hinge portions 26, 27. Then, semicircular cutouts 29 and 30 for covering the flexible tube 4 while being in contact with the outer peripheral surface A of the flexible tube 4 are provided at symmetrical positions of the halves 21 and 22, respectively.
[0028]
Each of the third half body 21 and the fourth half body 22 has one protrusion having a predetermined inclination angle that fits into the spiral groove 23 formed on the outer peripheral surface A of the flexible tube 4. 24 and 25 are provided on the inner peripheral surfaces 21a and 22a. The third half body 21 has a size that abuts against a half body having an inner peripheral surface 21 a and an annular lower surface 17 a ′ of the lower opening 17 a of the mounting member 17. It consists of arcuate upper and lower flanges 36 and 37 projecting outward from the end face in a horizontal state. The fourth half body 22 has a size that abuts against a half body having an inner peripheral surface 22 a and an annular lower surface 17 a ′ of the lower opening 17 a of the mounting member 17. The upper and lower end surfaces are arcuate upper and lower flanges 38 and 39 projecting outward in a horizontal state.
[0029]
Further, the locking means between the third and fourth halves 21 and 22 includes a locking hole (locked portion) 32 and a locking claw (locking portion) provided in the third half body 21. 33, a locking claw (locking portion) 34 and a locking hole (locked portion) 35 provided in the fourth half body 22 and engaging with the locking hole 32 and the locking claw 33, respectively. It becomes more. The locking hole 32 and the locking claw 33 are formed at the upper and lower positions of the half surface portion 21 a of the third half body 21, and the locking claw 34 and the locking hole 35 are formed in the fourth half body 22. Are formed at the upper and lower positions of the half surface portion 22a.
[0030]
Thus, while the protrusion 24 of the third half 21 and the protrusion 25 of the fourth half 22 are fitted in the spiral groove 23 formed on the outer peripheral surface A of the flexible tube 4, The engaging claw 34 of the other half-divided body 22 is engaged with the engaging hole 32 of the third half-divided body 21, and the third half-divided body 21 is engaged with the engaging hole 35 of the fourth half-divided body 22. The second resin stopper member 20 can be attached to a predetermined position of the flexible tube 4 by a simple attachment operation that only engages the locking claws 33. Further, the first resin stopper member 40 is a second resin stopper member with a simple one-touch mounting operation in which the claw (locking portion) 50 and the engagement hole (locked portion) 51 are engaged. It can be attached to the flexible tube 4 so that the insertion hole 40b is positioned above the position 20.
[0031]
When the shower head 3 is pulled out, the flexible tube 4 is moved from the state shown in FIG. 5 to the insertion hole 40b direction (J ′ direction) of the first resin stopper member 40 as shown in FIG. At the same time, the second resin stopper member 20 moves while being fixed to the flexible tube 4, and thereafter, the upper flange 36 of the third half body 21 and the upper flange 38 of the fourth half body 22 are Since it contacts the lower surface of the first resin stopper member 40 without passing through the insertion hole 40b, it is possible to prevent the shower head 3 from coming out of the shower holder 3a too much.
[0032]
【The invention's effect】
As described above, according to the present invention, it is possible to provide a resin stopper that can be attached to a flexible tube with one touch.
[Brief description of the drawings]
FIG. 1 is an explanatory diagram of an overall configuration showing a use state in an embodiment of the present invention.
FIG. 2 is a configuration explanatory view showing a water tap to which the embodiment is applied.
FIG. 3 is a main part configuration explanatory view for explaining an attaching operation in the embodiment.
FIG. 4A is a configuration explanatory view showing a first resin stopper member before engagement in the embodiment.
(B) is a configuration explanatory view showing the first resin stopper member after engagement in the embodiment.
(C) is sectional drawing which shows the 1st resin-made stopper members after the engagement in the said embodiment.
FIG. 5 is an overall configuration explanatory view showing a use state in another embodiment of the present invention.
FIG. 6 is a main part configuration explanatory view for explaining the mounting operation of the second resin stopper member in the other embodiment.
FIG. 7 is an explanatory diagram of an overall configuration showing a use state in a conventional example.
[Explanation of symbols]
2 ... faucet body, 2a ... mixed water supply pipe, 3 ... shower head, 3a ... shower holder, 4a ... downstream end, 4 ... flexible pipe, 40 ... resin stopper, 41, 42 ... two halves, 44-47 ... semicircular cutout, 50 ... locking part, 51 ... locked part, X ... upstream part, Y ... downstream part, N ... downstream end, M ... upstream end.

Claims (4)

With the downstream end inserted into the shower holder that supports the shower head so that it can be pulled out, the downstream end of the mixed water supply pipe that supplies hot water mixed water mixed in the faucet body to the shower head side and the shower head While the upstream side of the bent portion of the flexible tube connected to the upstream end is inserted, the downstream side of the bent portion is inserted, so that when the shower head is pulled out, the shower head goes out of the shower holder too much. A stopper made of resin, which is formed of two halves, further a semicircular notch for inserting the upstream side of the bent part, and the downstream of the bent part A semicircular cutout for inserting the side is provided at each symmetrical position of the half body, and further, one half body has a locking portion and the other half Plastic stopper in the body, characterized in that the locked portion is provided. The resin stopper according to claim 1, wherein the two halves are connected by a thin hinge. The resin stopper according to claim 1, wherein the two halves are formed separately from each other. With the downstream end inserted into the shower holder that supports the shower head so that it can be pulled out, the downstream end of the mixed water supply pipe that supplies hot water mixed water mixed in the faucet body to the shower head side and the shower head A first resin stopper member into which the upstream side of the bent portion of the flexible tube connected to the upstream end is inserted, while the downstream side of the bent portion is inserted, and is attached to the flexible tube. A resin-made stopper that restricts the shower head from coming out of the shower holder when the shower head is pulled out. The first resin stopper member includes two A semicircular cutout formed by the first and second halves and further passing through an upstream side of the bent portion; a downstream side of the bent portion; A semicircular cutout for passing through is provided at each symmetrical position of each of the first and second halves, and the first half is further provided with a locking portion and the second half. While the body is provided with a locked portion, the second resin stopper member is formed of two third and fourth halves and formed on the outer peripheral surface of the flexible tube. A protrusion that fits in the spiral groove is provided on the inner peripheral surface of each of the third and fourth halves, and the third half is further provided with a locking portion and the fourth half. A resin stopper characterized in that a locked portion is provided on the body.

Images