JP4153729B2 - Sheath tube holder - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a sheath tube holder.
[0002]
[Prior art]
The present applicant is developing a sheath tube holder that holds a bellows-shaped sheath tube through which a resin pipe such as crosslinked polyethylene or crosslinked polybutene that forms a supply channel to a faucet is inserted.
[0003]
This sheath tube holder is used for, for example, a faucet (water outlet) that can supply water to a water supply hose of a machine such as a washing machine, a water purifier, a dishwasher, and a water heater (Japanese Patent Application No. 2001-016143) (See drawing). The water outlet has a housing body in which a faucet body is accommodated, and the housing body has a downstream end of the resin pipe protruding from the downstream end side of the sheath pipe and a connecting portion provided in the faucet body. The casing tube holder has a sheath tube holder body attached to the lower surface of the bottom portion with a sheath tube insertion hole communicating with the connection opening. And an engagement means having a claw for engaging with the groove of the sheath tube, and a retaining means for locking the engagement means to the sheath tube holder body so that the claw does not come out of the groove of the sheath tube. Have.
[0004]
[Problems to be solved by the invention]
However, the engaging means is composed of a plurality of members including, for example, a claw ring, and the attaching operation of the retaining means is complicated, and the sheath tube holder body itself is also attached to the bottom portion by screwing. Therefore, it takes time for construction, and it is necessary to prepare two sets of sheath tube holder main bodies, engaging means, and retaining means in order to cope with sheath tubes of different sizes.
[0005]
The present invention has been made in consideration of the above-mentioned matters. The purpose of the present invention is to provide a sheath tube holder that is easy to construct, has a small number of parts, and can accommodate different sizes of sheath tubes with a single sheath tube holder body. Is to provide.
[0006]
[Means for Solving the Problems]
To achieve the above object, the sheath tube holder of the present invention is a sheath tube holder for holding a bellows-shaped sheath tube through which a resin pipe forming a supply flow path to the faucet is inserted. A sheath tube holder main body that is detachably attached to the resin pipe insertion opening in a state having a sheath tube insertion hole communicating with the provided resin pipe insertion opening, and an inner claw that engages with the groove of the sheath pipe A claw ring having an inner peripheral surface, and the claw ring is detachably mounted to prevent the inner claw from coming out of the groove of the sheath tube, and is detachably mounted to the sheath tube holder main body. The retaining ring is attached to the sheath tube holder main body mounted on the resin pipe insertion opening, and the claw ring is attached to the retaining ring. And retaining ring After inserting the penetrated sheath tube into the sheath tube insertion hole, the sheath tube is pulled back by pulling the sheath tube back in the direction opposite to the insertion direction until the claw ring is locked to the retaining ring. It is configured to be held.
[0007]
Further, according to another aspect of the present invention, there is provided a sheath pipe holder for holding a bellows-like sheath pipe through which a resin pipe forming a supply flow path to the faucet is inserted. A claw ring having a sheath pipe holder main body continuously provided in the resin pipe insertion opening in a state having a sheath pipe insertion hole communicating with the opening, and an inner claw engaged with the groove of the sheath pipe on the inner peripheral surface And the claw ring is detachably attached to prevent the inner claw from coming out of the groove of the sheath tube, and a retaining ring that is detachably attached to the sheath tube holder body, Attach the retaining ring to the sheath tube holder main body, and insert the sheath tube penetrating the claw ring and retaining ring into the sheath tube insertion hole with the retaining ring attached to the retaining ring. And then opposite to the insertion direction Providing a sheath pipe holder, characterized in that said sheath tube by pulling back the sheath tube to the claw ring in the direction is engaged with the retaining ring is configured to be retained.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below.
1 to 9 show a first embodiment of the present invention in which a sheath pipe holder main body is detachably attached to a resin pipe insertion opening provided on the faucet side. In this embodiment, a water supply outlet for water supply is adopted as a water tap.
[0009]
First, a water outlet used in this embodiment (see Japanese Patent Application No. 2001-284840 specification / drawing) will be described with reference to FIGS.
[0010]
1 and 2, reference numeral 1 denotes a housing of a water outlet 2, which is made of resin. The water outlet 2 is installed through a hole H provided in a wall W, a floor, or a panel. The housing 1 is made of a resin that covers the front opening 3a via a resin housing body 3 and a resin frame 4 that covers a peripheral edge 75 that forms a rectangular front opening 3a of the housing main body 3. The cover plate (decorative plate) 5 is mainly used.
Further, the frame body 4 has an opening 4a having substantially the same size as the front opening 3a, and has screw insertion holes 4c at four corners. The peripheral portion 75 includes an outer frame portion 73 and a protruding frame portion 72 that protrudes forward from the inside of the outer frame portion 73, and the frame body 4 is fixed to the housing body 3 with screws 6. Screw holes (not shown) are provided at the four corners of the projecting frame portion 72.
The outer frame portion 73 has a function of sandwiching the wall W, floor, or panel up to the maximum thickness j ′ with the frame body 4, and both the outer shape and the inner shape are rectangular, the width j, the thickness t Have The outer frame portion 73 includes an upper plate portion 73a, a lower plate portion 73b, a left plate portion 73c, and a right plate portion 73d. On the other hand, the protruding frame portion 72 includes a left frame portion 72a and a right frame portion 72b that are formed to protrude forward from the inner shape side of each of the left plate portion 73c and the right plate portion 73d, and an inner shape of the lower plate portion 73b. The lower frame portion 72c is formed to protrude forward from the side, and has a protruding width and thickness t ′ substantially the same as the maximum thickness j ′. If the wall W, floor, or panel on which the water outlet 2 is installed has a thickness smaller than the thickness j ′, the thickness of the shortage is set as a spacer (see Japanese Patent Application No. 2000-111202 / drawing). Can be supplemented with. That is, this can be dealt with by interposing the spacer between the outer frame portion 73 and the frame body 4. That is, the back surface of the wall W, the floor, or the panel through a plurality of screw holes (not shown) provided in the housing main body 3 in which the faucet main body 10 to which a resin pipe 11 as a pipe to be described later is connected is accommodated. The housing body 3 is screwed to the studs and brackets located on the side, and then the wall W and the floor or panel are sandwiched between the outer frame portion 73 and the frame body 4 through the holes H, and the frame body 4 is covered with the cover plate 5. The water outlet 2 can be installed on the wall W, floor, or panel.
The frame body 4 is locked by a plurality of claws 77 provided on the back surface of the cover plate 4, whereby the cover plate 4 is attached to the frame body 4 fixed to the housing body 3 by screws 6. Can do.
The housing body 3 includes an inlet 7, an outlet 8, a faucet body 10 having a valve body 9 made of a ceramic movable disk 9a and a fixed disk 9b, the inlet 7 and water or hot water (hereinafter simply referred to as “water faucet”). A connecting portion 12 for connecting a resin pipe 11 for supplying water) is accommodated. In this embodiment, the connecting portion 12 as a joint is connected to the faucet body 10. The resin pipe 11 forms a supply flow path to the water outlet 2.
[0011]
The housing body 3 has a resin pipe insertion opening 14 at the bottom 13. In this embodiment, the resin pipe insertion opening 14 has a gourd shape in plan view along the X direction.
[0012]
The connecting portion 12 is inserted into an inner pipe 15 and an outer pipe 16 that are integrally connected to a lower portion of the faucet body 10, and an annular pipe insertion groove M formed between the inner pipe 15 and the outer pipe 16. A clawed split ring 17 mounted on the outer periphery of the resin pipe 11 and a cap nut 18.
[0013]
Furthermore, the water outlet 2 includes a flow rate adjusting member 19 that adjusts the flow rate of water that can be delivered from the outlet 8, a transmission mechanism 20 that transmits an opening / closing operation of the flow rate adjusting member 19 to the valve body 9, A joint member 21 (not shown) provided at an upstream end of a water supply hose (not shown) of a device such as a washing machine, a water purifier, a dishwasher, or a water heater is provided. The joint portion 21 is connected to the outlet 8 so as to be capable of rotating 360 ° around the central axis of the outlet 8.
[0014]
On the other hand, the cover plate 5 has two openings 22 and 23 in which the flow rate adjusting member 19 and the joint portion 21 are respectively arranged at the vertical position in the center portion. The opening 22 is a rectangle that is horizontally long when viewed from the front.
[0015]
Further, the resin pipe 11 is excellent in durability, such as a cross-linked polybutene pipe for water supply or a cross-linked polyethylene pipe for water supply, and is disposed inside the bellows-shaped sheath pipe 30 as shown in FIGS. 6, 7, and 8. It is accommodated and guided and protected by the sheath tube 30 on the piping path.
[0016]
The characteristic configuration of the present invention will be described below.
[0017]
3-9, 31 is a resin-made sheath tube holder. In FIG. 1 and FIG. 2, the sheath tube holder 31 is omitted for convenience. The resin pipe 11 forms a supply flow path to the water outlet 2 as described above, while the sheath tube holder 31 holds the bellows-shaped sheath tube 30 through which the resin pipe 11 is inserted. belongs to.
[0018]
The sheath tube holder 31 includes a resin sheath tube holder body 33 having a sheath tube insertion hole 32 communicating with the resin pipe insertion opening 14 provided in the bottom portion 13 of the housing body 3, and the sheath tube 30. A claw ring 36 having a plurality of inner claws 35 engaged with the grooves 34 at the upper end position of the inner peripheral surface, and the claw ring 36 are attached and detached so as to prevent the inner claws 35 from coming out of the grooves 34 of the sheath tube 30. A retaining ring 37 that is freely mounted is provided.
[0019]
The sheath tube holder body 33 is detachably attached to the resin pipe insertion opening 14. The retaining ring 37 is detachably attached to the sheath tube holder main body 33. Then, the sheath pipe holder main body 33 is attached to the resin pipe insertion opening 14, the retaining ring 37 is attached to the sheath pipe holder main body 33, and the claw ring 36 is attached to the retaining ring 37. In this state, the sheath tube 30 is inserted through the claw ring 36 and the retaining ring 37 to insert the sheath tube 30 into the sheath tube insertion hole 32, and then the claw ring 36 in a direction opposite to the insertion direction. The sheath tube 30 is held by the sheath tube holder 31 by pulling back the sheath tube 30 until it is locked to the retaining ring 37.
[0020]
That is, the sheath tube holder main body 33 includes an upper part A in which an upper opening 32a having substantially the same plan view shape as the plan view shape of the resin pipe insertion opening 14 is formed, and a lower opening 32b having a circular shape in plan view. It consists of the cylindrical lower part B in which is formed.
[0021]
The upper part A has a plurality of locking pieces 41 that form the upper opening 32a. Each locking piece 41 is locked to the opening 14 and has an outer claw 40 for locking at the tip. The outer claw 40 is formed to protrude outward so that it can be locked to the upper surface of the peripheral edge of the opening 14 with the locking piece 41 inserted through the opening 14 from below. The sheath tube holder body 33 can be detachably attached to the opening 14 by the plurality of outer claws 40.
[0022]
Further, the lower part B has a pair of locking pieces 42 and 42 that are continuously provided downward from the lower end. The locking pieces 42, 42 are opposed to each other so as to have a circumferential angle of 180 °. Each locking piece 42 is locked with respect to the retaining ring 37, and an outer claw 44 for locking projects outward from the outer peripheral surface of the locking piece 42 (the outer peripheral surface of the lower part B). At the tip.
[0023]
The retaining ring 37 has an arcuate shape on the left and right in a plan view, and has a substantially elliptical upper opening 37a and a lower opening 37b having a circular shape in plan view. The upper opening 37a is formed larger than the lower opening 37b. Reference numeral 48 denotes an annular portion having a circular inner peripheral surface forming the lower opening 37b. R is the inner diameter of the annular portion 48. Further, the retaining ring 37 has windows 46, 46 that can lock the outer claws 44 on the peripheral surface portions of the left and right arc-shaped plate portions 45, 45. On the other hand, the outer claw 44 has the locking pieces 42 inserted into the retaining ring 37 from the upper opening 37a, and the weights of the retaining ring 37 cause the windows 46, 46 of the retaining ring 37 to be placed on the claw upper surface 44a. The upper edge surface 46a (see FIG. 9) abuts and is formed to protrude outward so that it can be locked to the windows 46 and 46. Thus, the retaining ring 37 can be detachably attached to the sheath tube holder body 33 by the pair of outer claws 44, the windows 46 and 46, and the weight of the retaining ring 37.
For example, the inner diameter interval D between the centers of the arcuate plate portions 45, 45 facing each other and the outer diameter d of the lower portion B of the sheath tube holder main body 33 have the same length.
[0024]
On the other hand, r is the inner diameter r of the claw ring 36 and G is the outer diameter of the claw ring 36. Unlike the hole 37 a of the retaining ring 37, the hole 50 of the claw ring 36 has the same diameter r. The claw ring 36 has a plurality of vertical slits 90 along the circumferential direction at the upper end, and a notch 91 with the upper part cut into a concave shape. Further, the claw ring 36 has an upper end position where the inner claw 35 is formed. On the outer peripheral surface, the inner claw 35 has a plurality of outer claws 51 alternately through vertical slits 90. The reason why the vertical slit 90 and the notch 91 are provided is that the inner claw 35 can be easily deformed and the sheath tube 30 can be easily inserted into the sheath tube insertion hole 32 as shown in FIG. The outer claw 51 is formed to protrude outward so as to be locked to the windows 46 and 46, and the lower edge surface 46 b (see FIG. 9) of the windows 46 and 46 abuts. As shown in FIG. 6, the claw ring 36 has an outward flange 52 at the lower part that contacts the lower surface K of the retaining ring 37 when the sheath tube 30 is inserted into the sheath tube insertion hole 32.
[0025]
The outer diameter d of the sheath tube holder main body 33 and the inner diameter interval D between the centers of the arcuate plate portions 45, 45 of the retaining ring 37 facing each other are set to 37 mm. Further, the outer diameter interval E between the centers of the arc-shaped plate portions 45 of the retaining ring 37 is 42 mm, and the inner diameter R of the annular portion 48 of the retaining ring 37 is 31.2 mm. The outer diameter G of the claw ring 36 is 31 mm, and the inner diameter r of the claw ring 36 is 28 mm.
[0026]
Thus, the sheath pipe holder main body 33 is attached to the resin pipe insertion opening 14, the retaining ring 37 is attached to the sheath pipe holder main body 33, and the claw ring 36 is attached to the retaining ring 37. To do. In this state, the sheath tube 30 is inserted into the sheath tube insertion hole 32 through the claw ring 36 and the retaining ring 37. At this time, since the inner claw 35 of the claw ring 36 hits the sheath tube 30, the state shown in FIG. Thereafter, the sheath tube 30 is pulled back in the direction opposite to the insertion direction of the sheath tube 30 until the claw ring 36 is locked to the retaining ring 37, whereby the state shown in FIG. The tube 30 is held by the sheath tube holder 31.
[0027]
As described above, the three members 33, 37, and 36, which are fewer than the number of parts used in the related art, are used, and the sheath tube 30 is inserted into the sheath tube insertion hole 32, and then the sheath tube 30 can be easily pulled back. The tube 30 can be held in the sheath tube holder 31.
[0028]
Further, FIG. 9 shows a retaining ring 37 ′ and a claw ring 36 ′ that can accommodate a sheath tube (not shown) having an outer diameter larger than that of the sheath tube 30.
[0029]
In this case, the retaining ring 37 ′ and the retaining ring 37 are different in size, but the functions of the both 37 ′ and 37 are the same. Further, the claw ring 36 ′ and the claw ring 36 have the same functions except that the dimensions thereof are different. The retaining ring and the claw ring are prepared as many as the number of the sheath pipes having different outer diameters, but the common sheath pipe holder main body 33 can be used. Each dimension is as follows, for example.
[0030]
In the retaining ring 37 ′, the inner diameter distance D ′ between the centers of the arcuate plate portions 45, 45 facing each other is set to 37 mm, which is the same as the inner diameter distance D in the case of the retaining ring 37. Further, the outer diameter interval E ′ between the centers of the arcuate plate portions 45, 45 facing each other is set to 42 mm, which is the same as the outer diameter interval E in the case of the retaining ring 37. Further, the inner diameter R ′ of the annular portion 48 of the retaining ring 37 ′ is 34.2 mm which is 3 mm longer than the inner diameter R.
[0031]
In the claw ring 36 ′, the inner diameter r ′ is 31 mm which is 3 mm longer than the inner diameter r. Further, the outer diameter G ′ is 34 mm longer than the outer diameter G by 3 mm.
[0032]
As described above, in order to cope with the sheath tubes having different sizes, the common sheath tube holder body 33 can be used as compared with the conventional example in which the sheath tube holder body needs to be separately prepared.
[0033]
10 to 14 show a second embodiment of the present invention in which a sheath tube holder main body is connected to a resin pipe insertion opening. In this embodiment, a water outlet for water supply and hot water supply is adopted as a water tap. 10 to 14, the same reference numerals as those shown in FIGS. 1 to 9 are the same or equivalent.
[0034]
First, the water outlet 60 for water supply and hot water supply will be described with reference to FIGS.
[0035]
10 to 12, a water supply and hot water supply outlet 60 includes a mounting hole 61 formed in the wall W in a direction from the back side of the wall W toward the front side of the wall W, and from the back side to the mounting hole 61. A mounting frame portion 63 that sandwiches the entire peripheral edge W ′ of the mounting hole W between the resin-made housing main body 62 that is attached via 61 and the front outer frame 62a of the housing main body 62 after the housing main body 62 is attached. The housing 63 has a back surface 64a that contacts the frame portion 63 and contacts the mounting frame portion 63, and the front outer frame 62a of the housing main body 62, the opening 62b of the housing main body 62 formed in the front outer frame 62a, and the mounting frame portion. A resin cover plate 64 is provided to cover 63.
Further, the water outlet 60 for water supply and hot water supply includes the housing main body 62, the mounting frame portion 63 and the cover plate 64, the faucet main body 65, the flow rate adjusting portion 66, a washing machine, a water purifier, a dishwasher, hot water. A joint member 67 (not shown) provided at an upstream end of a water supply hose (not shown) of a device such as a boiler has a joint portion 67 that is detachable.
[0036]
The housing body 62 includes a faucet body 65, a flow rate adjusting unit 66, a tip (most downstream end) 68 of the resin pipe 11a connecting the faucet body 65 and the hot water pipe, a faucet body 65 and the water pipe. The tip (most downstream end) 69 of the resin pipe 11b connecting the two, a check valve portion 70 with a hot water-side water hammer mitigation mechanism, and a check valve portion 71 with a water-side water hammer mitigation mechanism are accommodated. Storage space 72.
[0037]
The faucet body 65 includes a temperature adjustment chamber (accommodating portion) 74 for accommodating a fitting type temperature controller (mixing cartridge) 73, and a flow rate adjusting portion 66 on the upper side (downstream side) of the temperature adjustment chamber 74. A ceramic flow rate adjusting valve 75 is provided. The temperature adjustment chamber 74 is formed by a wall surface portion 65 a of the faucet body 65.
[0038]
Hereinafter, a characteristic configuration will be described.
[0039]
13 and 14, the bottom portion 80 of the housing main body 62 is formed with an insertion opening 81 through which the water resin pipe 11b is inserted and an insertion opening 81 through which the hot water resin pipe 11a is inserted. ing.
[0040]
On the other hand, the sheath tube holder 31 includes a sheath tube holder main body 33 continuously provided in the resin pipe insertion opening 81 in a state having the sheath tube insertion hole 32 communicating with the resin pipe insertion opening 81, and the sheath tube 30. A claw ring 36 having an inner claw 35 engaging with the groove on the inner peripheral surface, and the claw ring 36 are detachably mounted so as to prevent the inner claw 35 from coming out of the groove of the sheath tube 30. A retaining ring 37 that is detachably attached to the sheath tube holder main body 33. The retaining ring 37 is attached to the sheath tube holder main body 33, and the claw ring 36 is attached to the retaining ring 37. In this state (see FIG. 13), after inserting the sheath tube 30 through which the claw ring 36 and the retaining ring 37 penetrate into the sheath tube insertion hole 32, the claw ring is inserted in a direction opposite to the insertion direction. 36 is The sheath tube 30 is configured to be held by until locked to serial retaining ring 37 is pulled back the sleeve pipe 30.
[0041]
【The invention's effect】
According to the present invention, there is an effect that it is possible to provide a sheath tube holder that is easy to construct and has a small number of parts, and that can handle sheath tubes of different sizes with a single sheath tube holder body.
[Brief description of the drawings]
FIG. 1 is a configuration explanatory diagram of a water outlet used in a first embodiment of the present invention.
FIG. 2A is a front view of a water outlet used in the embodiment.
(B) is a front view which shows the state which removed the decorative plate in the water outlet used in the said embodiment.
(C) is a bottom view showing the housing body of the water outlet used in the embodiment.
FIG. 3 is an exploded perspective view showing the embodiment.
FIG. 4 is an explanatory diagram of a main part configuration showing a state before insertion of a sheath tube in the embodiment.
FIG. 5 is a plan view showing a claw ring in the embodiment.
FIG. 6 is an explanatory diagram of a main part configuration showing a state after insertion of a sheath tube in the embodiment.
FIG. 7 is an entire configuration explanatory view showing a state after insertion of a sheath tube in the embodiment.
FIG. 8 is an explanatory diagram of a main part configuration showing a holding state of the sheath tube in the embodiment.
FIG. 9 is a diagram for explaining one of the features of the embodiment.
FIG. 10 is a front view of a water outlet used in the second embodiment of the present invention.
FIG. 11 is a front view showing a state where a decorative plate is removed from the water outlet used in the second embodiment.
FIG. 12 is a diagram illustrating the configuration of a water outlet used in the second embodiment.
FIG. 13 is a structural explanatory view showing an attachment state in the second embodiment.
FIG. 14 is a diagram for explaining one of the features of the second embodiment.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 2 ... Outlet for water supply, 11 ... Resin pipe, 14 ... Opening part for resin pipe insertion, 30 ... Sheath pipe, 31 ... Sheath pipe holder, 32 ... Sheath pipe insertion hole, 33 ... Sheath pipe holder main body, 34 ... Sheath pipe Groove, 35 ... inner claw, 36 ... claw ring, 37 ... retaining ring.

Claims (3)

A sheath tube holder for holding a bellows-shaped sheath tube through which a resin pipe that forms a supply channel to the faucet is inserted, and a sheath tube insertion hole that communicates with the resin pipe insertion opening provided on the faucet side. A sheath pipe holder main body that is detachably attached to the resin pipe insertion opening, a claw ring having an inner claw engaged with a groove of the sheath pipe on an inner peripheral surface, and the inner claw being the sheath The claw ring is detachably mounted so as to prevent it from coming out of the groove of the tube, and has a retaining ring that is detachably mounted on the sheath tube holder body, and is mounted on the resin pipe insertion opening. The retaining ring is attached to the sheath tube holder main body, and the sheath tube through which the claw ring and the retaining ring are inserted is inserted into the sheath tube while the retaining ring is attached to the retaining ring. After inserting into the hole Sheath pipe holder to the insertion direction, characterized in that it is configured to the sheath tube is maintained by pulling back the sheath tube to the claw ring in the opposite direction is engaged with the retaining ring. A sheath tube holder for holding a bellows-shaped sheath tube through which a resin pipe that forms a supply channel to the faucet is inserted, and a sheath tube insertion hole that communicates with the resin pipe insertion opening provided on the faucet side. A sheath pipe holder main body continuously provided in the resin pipe insertion opening, a claw ring having an inner claw engaged with a groove of the sheath pipe on an inner peripheral surface, and the inner claw of the sheath pipe The claw ring is detachably mounted so as to prevent detachment from the groove, and includes a retaining ring that is detachably mounted to the sheath tube holder body, and the retaining ring is disposed on the sheath tube holder body. In a state opposite to the insertion direction after being inserted into the sheath tube insertion hole after the sheath tube penetrating the claw ring and the retaining ring is inserted with the retaining ring being mounted on the retaining ring. The claw ring is removed Sheath pipe holder, characterized in that the sheath tube is configured to be held by pulling back the sheath tube to be engaged in order ring. 3. The sheath tube according to claim 1, wherein the retaining ring and the claw ring are prepared by the number of sheath tubes having different outer diameters so as to have sizes suitable for the sheath tubes having different outer diameters. holder.

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