KR100443196B1 - Water pipe coupling - Google Patents

Abstract

PURPOSE: A connection port of a water supply pipe is provided to maintain the watertight property by easily connecting the water supply pipe with a hose and fixing firmly. CONSTITUTION: A connection port(10) contains a connection body(16) and a clamp device(18). The connection body is combined with a hose. The connection body offers a fluid flow passage from a fluid supply pipe to a hose and has a flange portion in the upper part. The clamp device fixes the connection body in the end of the fluid supply pipe. The clamp device comprises a tightening ring and a tightening lever device(72). The tightening ring has a first groove(80) through an inner girth to insert the flange portion and a protrusion to hold the end of the fluid supply pipe. The tightening lever device combines to hold the fluid supply pipe with the protrusion by connecting with the tightening ring. The tightening lever device has two levers(98,99). Thereby, the connection port connects the water supply pipe with the hose easily and maintains the connected status stably.

Description

Water Pipe End Connection {WATER PIPE COUPLING}

The present invention relates to a fluid supply pipe connector, and more particularly, to a water supply pipe connector which improves the fastening force fixed to the faucet and facilitates the fastening when the hose or the like is connected to a water supply pipe such as a faucet.

Usually, the hose is directly connected to the tap and used. However, separate water line connections are used for reliable, robust and airtight connections. For example, a connector used to connect a hose connected to a washing machine to a tap requires a connector that, for example, withstands a water pressure of 17.5 kgf / cm ² .

Conventional water supply pipe connector for this is fixed to the faucet by tightening the fastening screw in four directions when it is coupled to the faucet. Therefore, the fixing work is inconvenient, if the wrong work is not securely fixed to the connector is not kept confidentiality is likely to cause leakage problems. In addition, the conventional water pipe connector is a configuration that maintains airtightness by using a flat annular packing in close contact with the end of the faucet. However, such a configuration is difficult to maintain airtightness when the magnitude of the force pushing the packing is weakened or an uneven distribution of force occurs. In order to overcome this point, a water pipe connector having a configuration inserted into the faucet end has been proposed. In addition to the structure of the packing, a water supply line connector provided with a clamp device for fast and easy fixing is also proposed. However, the outer diameter of the water supply pipe varies. There is a demand for a water supply pipe connector provided with a clamp device corresponding to the outer diameters of various water supply pipes. There is also a need for an improved feed pipe connection to be a clamp device that is easy and securely fixed.

It is an object of the present invention to provide a water supply pipe connector which is easily connected between the water supply pipe and the hose while being secured to maintain the airtightness as a whole.

Another object of the present invention is to provide a water supply line connector with a clamp device that is easily tightened by the operation of two levers and is strongly coupled to the water supply line.

It is another object of the present invention to provide a water supply pipe connector having a clamp device that can cope with an outer diameter or a large outer diameter of various water supply pipes.

1 is a perspective view of a water supply pipe connector according to an embodiment of the present invention

FIG. 2 is a cross-sectional view of the water pipe connector of FIG. 1 connected to a faucet and a hose; FIG.

FIG. 3 is an exploded perspective view of the water supply pipe connector of FIG. 1, with some parts partially cut away to show the inside; FIG.

Figure 4 (a) and (b) is a view showing an example of the process of processing by fixing the hinge pin when coupling the lever and the connecting pin in the water supply pipe connector of Figure 1

FIG. 5 is a view for explaining lever mechanism operation of the clamp device of the water supply line connector of FIG.

6 is a perspective view showing a water supply pipe connector according to a second embodiment of the present invention;

FIG. 7 is an exploded perspective view showing only the clamp device of the water supply pipe connector shown in FIG.

<Description of the symbols for the main parts of the drawings>

10: water pipe connector 12: hose 14: faucet

16: connecting body 18: clamp device 20: housing

22: packing 24: annular cover 26: collet

28: cap

According to one aspect of the invention, the fluid supply pipe connector is coupled to the end of the fluid supply pipe to connect the hose with the fluid supply pipe so that the flow of the fluid,

A connecting body having a hose coupled thereto to provide a fluid flow passage from the fluid supply pipe to the hose and having a flange at the top thereof;

It includes a clamp device for fixing the connection body to the end of the fluid supply pipe,

The clamp device

A fastening ring having a first groove formed along a circumference of the inner circumferential surface such that the flange portion is inserted, and having a jaw biting the end of the fluid supply pipe;

A tightening lever mechanism is provided which is connected to the tightening ring and is adapted to cause the tightening ring to bite and engage the fluid supply pipe, the lever mechanism being provided with a fluid supply pipe connector having two levers.

In one embodiment, the fastening ring has a pair of semi-circular supports coupled to each other, each semi-circular support is formed with a second groove on the upper side of the first groove, the fastening ring is a second groove of the semi-circular support It has a pair of jaws respectively fitted in the, the tightening lever mechanism can be coupled to tighten between the semi-circular support. In addition, the pair of semi-circular supports may be connected at one end to the hinge pins and at the other end thereof by a tightening lever mechanism. The tightening lever mechanism may include a connecting rod penetrating one end of the semi-circular support and two levers rotatably coupled to both ends of the connecting rod. The connecting rod may have a head and a leg, and may have a pair of connecting pins provided with a fastening structure between the legs.

In another embodiment there are two tightening lever mechanisms connecting between the ends of each of the pair of semi-circular supports, each lever mechanism passing between the lever and the ends of the pair of semi-circular supports and one end of the The other end may be provided with a connection pin having a head that is hinged and connected to the lever. The connecting pin may include a bolt having a head and a nut connected to one end of the support.

Preferably, the lever has a head and a handle, the head of the lever is provided with a groove in the center and the head of the connecting pin is inserted into the groove, the hinge pin passing through the head of the lever and the head of the connecting pin It may be provided.

According to another aspect of the present invention, a method of manufacturing a fluid supply pipe connector,

Inserting the head of the connecting pin into the groove formed in the head of the lever;

Coupling the hinge pin through the head of the coupled lever and the head of the connecting pin;

Provided is a method for producing a fluid supply pipe connector including pressurizing with a punch such that at least one end of the hinge pin is plastically deformed.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 to 3, the water supply pipe connector 10 according to the first embodiment of the present invention includes a connection body 16 for forming a passage of water between the hose 12 and the faucet 14, which is a water supply pipe, The clamp device 18 is engaged with the faucet 14 so that the connecting body 16 is held in place.

The connection body 16 has a housing 20, a packing 22, and an annular cover 24. In addition, the connecting body 16 includes a collet 26 and a cap 28 for firmly coupling the hose 12. The housing 20 is generally cylindrical and provides a passage hole 30 through which water passes between the faucet 14 and the hose 12 in the center. The housing 20 has an upper packing seating portion 32 and a lower hose connecting portion 34. The packing seating part 32 is provided so that the packing 22 may be seated above the passage hole 30. To this end, the housing 20 has a cylindrical outer wall 36 extending in the vertical direction so that the inner diameter thereof is larger than the passage hole 30 to form the packing insertion space 35. At the upper end of the outer wall 36, a support flange 38 facing outward is provided. Unevenness 39 is provided on the lower outer surface of the outer wall 36 to be easily gripped by hand. Meanwhile, the inner wall 40 having a low height is provided in the inner packing insertion space 35 of the outer wall 36. The inner side surface of the inner wall 40 is connected to the passage hole 30, and in the subsequent portion, the tapered portion extends and then vertically extends upward again, so that the inner wall 40 has an expanded inner diameter.

In the hose connecting portion 34, which is the lower portion of the housing 20, a male screw 42 is provided so that the cap 28 to be described later is fitted. The housing 20 is provided with a hose insertion end 44 extending below the portion where the male screw is provided. The hose insertion end 44 generally has a tapered surface 46 which is tapered so that the outer diameter thereof is slightly increased while going upward from the end so that the hose 12 can be easily inserted as it extends. The jaw 48 is provided. The housing 20 is manufactured by injection molding a plastic resin (preferably engineering plastic).

2 and 3, the packing 22 has a generally funnel-shaped body 50 and a cover flange 52 formed in a circumferential direction on the upper portion of the body 50. This packing 22 is preferably made of a rubber material having elasticity. The thickness and inclination of the inner surface of the funnel torso 50 may be determined such that, when the faucet 14 is fitted into the torso 50, by a deformation as shown in FIG. It will be understood by those skilled in the art. The lower end of the body 50 is provided on the upper end of the inner wall 40 provided in the packing seating portion 32 of the housing 20, and is provided with a stepped end 54 to be fitted into the inner wall 40. Of course, the lower end of the body 50 is provided with a through hole 56 connected to the passage hole (30). The cover flange 52 rests on the support flange 38 of the housing 20. The cover flange 52 has a rim 58 extended downwardly to enclose the backing flange 38.

2 and 3, the annular cover 24 covers these flanges 38, 52 with the cover flange 52 placed on the support flange 38 of the housing 20. The annular cover 24 has a rim extending in the up and down direction, and an upper and a lower flange extending radially inward from the top and bottom of the rim so that the cross section is generally 'c' shaped (Fig. 2). The annular cover 24 is made of a metal sheet such as copper or copper alloy, which can be plastically deformed. In FIG. 3, the annular cover 24 is separated from the assembled state for convenience of illustration, but the annular cover 24 includes the cover flange 52 and the support flange 38 on the 'b' shaped material. Overlaid and molded to form a 'c' through plastic working. In this case, the annular cover 24, the cover flange 52, and the support flange 38 form a flange portion of the connecting body 16. Referring to Fig. 2, this flange portion is inserted into the lower groove 94 provided in the support of the clamping device described later, and this portion enters the lower groove 94 when tightened between the two supports 76,78.

Referring again to FIGS. 1 to 3, the collet 26 and the cap are secured to the main body 16 so as to firmly fix the hose 12 fitted to the hose insertion end 44 to withstand the required water pressure. 28 is provided. The collet 26 has a plurality of feet 62 extending downwardly and toward the center and separated from each other by the grooves 60. The lower end of the foot 62 is provided with a pressurizing protrusion 64 so as to press the hose 12 strongly. This pressurizing protrusion 64 is preferably formed to be pointed so as to apply a strong pressure to the hose 12. As best shown in Fig. 2, the outer surface of the foot 62 is formed to be inclined.

1 to 3, the cap 28 is for pressing the foot 62 of the collet 26 without covering the collet 26. As shown in FIGS. 2 and 3, the cap 28 has a female thread 66 formed thereon that engages the male screw 42 of the housing 20. The lower end has a ridge 68 formed to protrude inward in a circumferential direction. When the cap 28 is rotated and screwed, the cap 28 rises and the ridge 68 deforms the foot 62 inward while riding on the outer inclined surface of the foot 62. Then, the protrusion 64 formed on the foot 62 pressurizes the hose 12 so that the hose 12 does not fall out even at high water pressure.

1 and 3, the clamp device 18 for firmly fixing the main body 16 to the faucet 14 includes a tightening ring 70 and a lever mechanism 72. The tightening ring 70 has a first semicircular support 76 and a second semicircular support 78 that are rotatably connected to each other by a hinge pin 74. One end of the first semi-circular support 76 is provided with a groove 80 in the middle in the thickness direction, and protrusions 82 are provided on both sides of the groove 80. One end of the second semicircular support 78 is provided with a protrusion 84 in the middle. The protrusions 84 are fitted into the grooves 80, and the protrusions 82 and 84 are provided with holes crossing in the vertical direction, and the hinge pins 74 are fitted into the holes. On the other hand, the inner circumferential surface of each support 76, 78 is formed with a fine upper groove 92 and a lower groove 94 to extend in the circumferential direction. When the two supports 76 and 78 are joined, the upper groove 92 and the lower groove 94 form a generally annular groove.

Opposite sides of the projections 82, 84 of each support 76, 78 are provided with extensions 86, 88 extending generally radially. The extensions 86 and 88 are provided with holes 90 extending in the tangential direction. When the extensions 86 and 88 are brought into contact with each other, the holes are connected to each other, and the male and female connecting pins 96 and 97 of the lever mechanism 72 described later pass through the holes 90.

1 and 3, the clamp device 18 includes a pair of jaws 110 correspondingly inserted into the upper grooves 92 of the supports 76 and 78, respectively. Each jaw 110 is a semi-circular plate shape and an arcuate groove is dug in the center portion. In this arc-shaped groove, one or several (three in the figure) are arranged at equal intervals along the circumference with protrusions 112 projecting sharply toward the center. It will be understood by those skilled in the art that the size of the arcuate groove and the height of the protrusion 112 can be determined corresponding to the size of the faucet 14 fitted. The bath 110 is preferably made of a metal plate having a thick thickness (for example, a thickness of 1 to 2 mm) such as rigid stainless steel.

1 and 3, the lever mechanism 72 is rotatably connected to the first and second clamp levers 98 and 99 and the hinge pins 100 and 101 to the clamp levers 98 and 99, respectively. Male and female connecting pins 96 and 97 are provided. The levers 98 and 99 are generally curved arcuate shapes having a head 104 connected to the male and female connecting pins 96 and 97 and a handle 106 extending from the head, respectively. Head 104 is provided with a groove 108 in the middle is inserted into the head of the male and female connecting pins 96,97 to be described later. The head 104 is provided with a hole 109 into which the hinge pins 100 and 101 penetrate in the vertical direction. The male and female connecting pins 96 and 97 are connected to the first and second levers 98 and 99, respectively, and include heads 112 and 113 and legs 114 and 115, respectively. Each of the heads 112 and 113 has a flat cylindrical shape and is provided with a hinge pin hole 116 and 117 connected to the hole 109 of the lever 98 and 99 at the center thereof. Each leg 114, 115 extends from each head 112, 113. The leg 114 of the female connecting pin 96 is provided with a hole extending in the longitudinal direction from the end to the inner thread is formed there. The leg 115 of the male connecting pin 97 is provided with a male screw 119 fitted into the hole of the female connecting pin 96 at an end thereof.

As best shown in Figs. 3 and 4 (a), the levers 98 and 99 and the male and female connecting pins 96 and 97 have hinge pins 100 or 101 in the through holes 109 and 116 or 117. After fitting, the punches 122 and 123 are moved up and down. Each punch 122, 123 has a ring-shaped pointed projection 124 at the end. When the protrusion 124 strikes the hinge pins 100 and 101, a part of the ends of the hinge pins 100 and 101 are opened while plastic deformation. Then, the hinge pins 100 and 100 are tightly inserted into the holes 109 of the levers 98 and 99 so that the hinge pins 100 and 101 are securely engaged. In this case, as shown in FIG. 4B, some regions of the lever surrounding the hinge pins 100 and 101 may also be plastically deformed. At this time, it will be understood by those skilled in the art that the hinge pins 100 and 101 and the holes 116 and 117 of the connection pins 96 and 97 are rotatably coupled.

Referring again to FIGS. 1 and 3, the assembled levers 98 and 99 and the connecting pins 96 and 97 are fitted into the holes 90 of the semi-circular supports 76 and 78, respectively, and the levers 98 or 99 are turned off. When rotated, the connecting pins 96 and 97 are coupled by the female screw and the male screw.

Referring to Fig. 5, the heads 104 of the levers 98 and 99 have a circumferential curve different from the hinge center axis (rotational center axis). For example, when the levers 98 and 99 are rotated so as to be spaced between the supports 76 and 78 and the handle 106, the radius of the contact position with the supports 76 and 78 is R1 (refer to the solid state). ), When the levers 98 and 99 are rotated and closed, the radius of the position of contact with the supports 76 and 78 is R2 (see the dashed line). It will be understood by those skilled in the art that the movement will result in a tight fit between the supports 76, 78. In the case of having the configuration of the clamp device as shown in the embodiment shown in Fig. 1, since there are two levers, the tightening state of the tightening ring can be made stronger. Of course, those skilled in the art will understand that the distance between the connecting pins 96 and 97 may be adjusted by rotation.

6 and 7, the water supply pipe connector 10a according to the second embodiment of the present invention has a connecting body 16a and a clamp device 18a. Since the connecting body 16a is the same as in the first embodiment, detailed description thereof will be omitted. The clamp device 18a for firmly fixing the main body 16a to the faucet includes a tightening ring 70a and a pair of lever mechanisms 72a having the same configuration. The tightening ring 70a has a first semicircular support 76a and a second semicircular support 78a. Both ends of the first semi-circular support 76a are provided with extensions 86a and 88a which are equally generally radially extending. The extension portions 86a and 88a are provided with holes 90a extending in the tangential direction. When the extensions 86a and 88a are abutted, the holes are connected to each other, and the bolts 90a of the lever mechanism 72a described later are inserted into the holes 90a. Since the other structure of the support body 76a is the same as that of the said 1st Example, detailed description is abbreviate | omitted.

6 and 7, the lever mechanism 72a includes a clamp lever 98a, a bolt 100a, and a nut 101a. Since the shape and configuration of the lever 98a are the same as in the first embodiment, detailed description thereof will be omitted. The bolt 100a has a head 104a, which has the same configuration as that of the hinge pin of the first embodiment. The male thread is formed in the leg 114a of the bolt 100a. The nut 101a has a female thread that engages with the male thread of the bolt 100a. It is preferable that a squatting is provided in the outer periphery of the nut 101a.

Since the engagement of the lever 98a and the head of the bolt 100a is the same as in the first embodiment, detailed description thereof will be omitted. The bolt 100a is inserted into a hole provided in the extension portions 86a and 88a of the supports 76a and 78a, and the nut 101a is rotated to be engaged. As can be seen from Fig. 6, each lever mechanism 72a is provided symmetrically with respect to the center axis line. As will be appreciated by those skilled in the art, referring to the first embodiment, the lever mechanism 72a thus installed is tightened by rotating and retracting the lever 98a, respectively. The clamping device 18a of the water supply pipe connector 10a according to the second embodiment of this configuration can adjust the distance between the supports at both ends of the supports 76a and 78a, so that the faucet pipe can respond to everything from small to large. Can be.

In the above-described embodiment, the connection body of the water supply pipe connector is described with reference to the drawings, but those skilled in the art will understand that a connection body having a different structure may be used as long as it forms a passage through which water flows between the water supply pipe and the hose and maintains proper airtightness. Could be.

The water pipe connector of the embodiment described above can be used for the connection of the washing machine water hose, the water hose connection of the flower source. In addition, although the embodiment has been described as a water supply pipe connector for supplying water, the present invention is not limited thereto and may be used to connect other fluid flows.

As described above, according to the present invention, all the objects of the present invention described above are achieved. Specifically, the hose is easily connected while maintaining a stable connection. This provides a water line connection that maintains good overall tightness. In addition, by operating the two levers, they are easily tightened and tightly coupled to the water line. In addition, a water supply pipe connector provided with a clamp device that can cope with an outer diameter or a large outer diameter of various water supply pipes is provided.

Claims (9)

A fluid supply pipe end coupled to the end of the fluid supply pipe to connect the hose with the fluid supply pipe so that the flow of fluid extends, A connecting body having a hose coupled thereto to provide a fluid flow passage from the fluid supply pipe to the hose and having a flange at the top thereof; It includes a clamp device for fixing the connection body to the end of the fluid supply pipe, The clamp device A fastening ring having a first groove formed along a circumference of the inner circumferential surface such that the flange portion is inserted, and having a jaw biting the end of the fluid supply pipe; A tightening lever mechanism connected to the tightening ring and adapted to allow the tightening ring to bite and engage the fluid supply pipe, the lever mechanism including two levers; Fluid supply line connection. The fluid supply pipe connector of claim 1, wherein the tightening ring has a pair of semicircular supports coupled to each other, wherein each of the semicircular supports is formed with a second groove on the upper side of the first groove, and the fastening ring is the semicircle. And a pair of jaws fitted in the second grooves of the support, wherein the tightening lever mechanism engages and tightens between the semicircular supports. The fluid supply pipe connector of claim 2, wherein the pair of semi-circular supports are connected at one end to a hinge pin, and the other end is connected by a tightening lever mechanism. The fluid supply pipe connector of claim 3, wherein the tightening lever mechanism includes a connecting rod passing through one end of the semi-circular support and two levers rotatably coupled to both ends of the connecting rod. The fluid supply pipe connector of claim 4, wherein the connecting rod has a head and a leg and has a pair of connecting pins provided with a fastening structure between the legs. 3. The fluid supply tube connector of claim 2, comprising two tightening lever mechanisms connecting between ends of each of the pair of semi-circular supports, each lever mechanism passing between the lever and the ends of the pair of semi-circular supports. And one end supported so as not to fall out, and the other end having a connecting pin having a head hinged to the lever. The fluid supply pipe connector according to claim 6, wherein the connection pin has a head having a bolt and a nut connected to one end of the support. The fluid supply pipe connector of claim 5 or 6, wherein the lever has a head and a handle, a head is provided at the center of the lever, and the head of the connecting pin is inserted into the groove, and the head of the lever Fluid supply pipe connector having a hinge pin passing through the head of the connecting pin. A method of manufacturing the fluid supply pipe connector of claim 8, Inserting the head of the connecting pin into the groove formed in the head of the lever; Coupling the hinge pin through the head of the coupled lever and the head of the connecting pin; And pressing with a punch such that at least one end of the hinge pin is plastically deformed.