KR100824231B1 - Joint apparus for drinking water pipe - Google Patents

Abstract

A joint apparatus for a drinking water pipe is provided to obtain a shock-absorbing ability between a chamber member and a housing by allowing the chamber member to slip on a pipe member while modifying an insertion angle between the chamber member and the pipe member. A joint apparatus for a drinking water pipe comprises a chamber member(100), a housing(110), a packing member(120) disposed in a space of the housing, an adjust bolt vertically installed on the housing and a pressing plate installed between the adjust bolt and the packing member. The chamber member has a locking protrusion(103) formed on an outer circumference of two ends thereof. A pipe member(200) is slip into the chamber member. The housing has a locking stepped part(114) and a locking groove(115) that are locked to the locking projection.

Description

Joint apparus for drinking water pipe}

1 is a view showing a slip joint of a general fluid transfer pipe,

Figure 2 is a facility diagram to which the joint device of the present invention drinking water pipe is applied,

Figure 3a is an enlarged perspective view of the main portion of the joint apparatus of the present invention drinking water pipe,

Figure 3b is an enlarged exploded perspective view of the main portion of another embodiment of the joint device of the drinking water pipe of the present invention,

Figure 4a, 4b is a cross-sectional view and a cross-sectional view of the housing portion carried out on one end of the housing of the joint apparatus of the drinking water pipe of the present invention,

5 is an enlarged cross-sectional view of the main portion of the joint apparatus of the drinking water pipe,

Figure 6 is a front view showing a partial cross section of the joint device of the drinking water pipe of the present invention,

7a to 7b show various embodiments of the pressure plate applied to the joint device of the drinking water pipe of the present invention,

8 is an operation of the packing member applied to the joint device of the drinking water pipe of the present invention.

※ Explanation of codes for main parts of drawing

100: chamber member, 103: locking projection, 104: stopper, 110: housing,

111, 113: first and second space, 114: locking jaw portion, 115: locking groove portion, 120: packing member,

130: adjustment bolt, 140: pressure plate, 200: piping member.

The present invention relates to a joint device for drinking water pipes, and in particular, to ensure the slip / rotation function between the chamber member and the piping member and to prevent the intrusion of harmful substances into the fluid while allowing the housing and the chamber member to be separated / assembled. It relates to a joint apparatus of drinking water pipes.

In general, a slip joint of a fluid transfer pipe is a chamber tube having a different diameter (hereinafter chamber member) to correct a distance error, pipe installation angle, etc. generated on a continuous pipe (hereinafter, the pipe member 200) as shown in FIG. It is known that the slip joint is made to stretch / adjust the length while the slip is made through, but the packing member 120 to block the leak.

In addition, a ball joint is known to allow the angle to be changed when the angle is inevitably changed when passing through a piers or when installed underground in a long distance pipe for fluid transfer, and is spaced apart from either inside or outside of the slip joint. Slip / ball composite joints, such as a ball joint superimposed on a pipe part in which such a joint is implemented, are known.

In order to prevent the leakage of fluid, the packing means is mobilized in these joints. A packing cylinder is formed through which the passage is formed and the packing material is introduced from the outside to compress the packing material in the gap. Cylindrical packing means are often used.

In the case of such a packing cylinder, the packing material lost by long-term use must be filled one by one, and a checking means for checking it is also required. In particular, there is no problem in transferring general fluids, but as a joint attachment applied to long distance piping of drinking water, Trace amounts are not applicable due to the hazards of the packing materials.

Therefore, it is suitable for the joint of drinking water pipes, avoiding the harmful effects caused by the packing material of the packing cylinder of the pipe joint as described above, and it is possible to make proper slip at the connection between the main pipe and the chamber pipe and at the same time at the slip position. There has been a need for a joint device with a set of rotating functions that can be changed.

The present invention is suitable for drinking water and drinking water in which the joint part of the slip / rotation pipe joint is connected / assembled without welding. The purpose is to provide a slip / rotating pipe joint for the pipe.

The present invention is to secure the slip / rotation function between the chamber member and the piping member in connecting the chamber member and the piping member, and to further retain the buffering force between the chamber member and the housing by separating the housing and the connection, in particular, the chamber member It is also an object of the present invention to achieve a coupling structure of the new chamber member and the housing by having a convex coupling structure of the connecting portion and the housing.

Joint device of the present invention drinking water pipe for achieving the above object,

A tubular hollow chamber member that is connected to the piping member while being slipped / contacted to the inner side, and has a circumferential protrusion formed around the outer circumferential surface of both ends; A housing having a bottom portion open to form a space inwardly, and having a hooking groove portion, a catching jaw portion, and a connecting portion forming a space at one side thereof, the hook groove being coupled to the latching protrusion of the chamber member; It is characterized in that the connection between the housing and the chamber member is assembled, including a packing member that is in close contact with the interior space in order to block the leakage fluid between the chamber member and the piping member in the space within the housing.

Joint device of the drinking water pipe of the present invention for achieving the above object preferably further comprises a control bolt which is installed in the housing vertically / to press / adjust the packing member.

Joint device of the drinking water pipe of the present invention for achieving the above object is characterized by separating the close contact structure of the packing member by further comprising a pressure plate between the adjusting bolt and the packing member.

In order to achieve the above object, the housing of the joint apparatus of the drinking water pipe of the present invention preferably forms a first space in which a packing member is inserted into a bottom portion, and a second space in which a locking protrusion is located.

The pressure plate of the joint device of the drinking water pipe of the present invention for achieving the above object is preferably connected to the insertion shaft in contact with the lower end of the adjustment bolt to form a plate below.

The locking projection of the joint apparatus of the present invention drinking water pipe for achieving the above object is preferably to form a stopper bent in the "a" shape at intervals along the chamber member.

The packing member of the joint apparatus of the present invention drinking water pipe for achieving the above object is characterized in that it forms a third space that is pressurized by the fluid pressure flowing from the inside of the chamber member.

In order to achieve the above object, the packing member of the joint apparatus of the drinking water pipe of the present invention may form a close wing to seal / contact the chamber member and the piping member, and preferably form an uneven portion on an upper surface thereof.

In order to achieve the above object, the housing of the joint apparatus of the drinking water pipe of the present invention is preferably formed at both ends of the chamber member.

The pressure plate of the joint device of the drinking water pipe of the present invention for achieving the above object is preferably carried out with at least one circular piece to form a gap (A) that is narrowed or opened between the starting point and the end point, into two semicircular pieces. Or it can be carried out with four arc sculptures.

The joint device of the drinking water pipe of the present invention has an assembly structure in which the coupling between the chamber member and the housing is not welded.

This assembly structure is also proposed a welding connection method for connecting the housing to the locking projection of the chamber member, but the assembly / connection of the housing and the chamber member in accordance with various construction sites in accordance with the proposal.

Such a connection method is possible by a method of connecting as a catching groove part and a catching jaw part corresponding to the catching protrusion formed on the chamber member. In particular, the concave-shaped connection part has a characteristic of having a buffer space capable of adjusting the length and angle of the up, down, left and right directions between the chamber member and the housing.

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

Figure 2 of the accompanying drawings is a schematic diagram of a partially omitted plumbing applied to the joint apparatus of the present invention drinking water pipe.

As shown in the drawings, the present invention provides a chamber member 100, a housing 110 connected to a pipe member 200 which is inserted while slipping / contacting an outer circumferential surface to an inner surface of the chamber member 100, Packing member 120 is inserted into the housing 110, and is installed vertically on the outer peripheral surface of the housing consists of a control bolt 130 for pressing / adjusting the packing member.

3A is an enlarged and exploded perspective view of main parts of the joint apparatus of the drinking water pipe of the present invention, and FIG. 3B is an enlarged exploded perspective view of the main portion of another embodiment of the joint device of the drinking water pipe of the present invention, and FIGS. 4A and 4B are views of the drinking water pipe of the present invention. 5 is a cross-sectional view of an enlarged main portion of the joint apparatus of the drinking water pipe, and FIG. 6 is a front view showing a partial cross section of the joint apparatus of the drinking water pipe of the present invention.

The joint apparatus of the drinking water pipe of the present invention according to the drawings is a tubular hollow chamber member 100 having a locking protrusion 103 formed around the outer peripheral surface of both ends, and slip / contact with the inner surface of the chamber member 100. And a housing 110 for sealing / connecting the pipe members 200 and the pipe members 200 to be moved while the pipe members 200 are moved to the inside of the chamber member 100 and the angle is adjusted while the pipe members 200 are welded. The packing member 120 and the packing member 120 which are located in the inner space 111 to be in close contact with each other to block the leakage fluid between the chamber member 100 and the piping member 200, and pressurize the packing member 120. Control bolt 130 and the pressure plate 140 is installed / perpendicular to the housing 110 to be adjusted.

The present invention of practical application is possible to apply the connection only by the assembly connection structure of the chamber member 100 and the housing 110.

In addition, in addition to the connection method, it is also possible to apply only the adjustment bolt 130 for pressing the packing member 120 therein.

In addition, in the joint apparatus of the drinking water pipe of the present invention, in addition to the locking / connection method of the housing 110 having the chamber member 100, the packing member 120, and the adjustment bolt 130, the pressure is applied to the inside of the space 111. Most preferably, the plate 140 is further provided.

The pressing plate 140 is connected to the insertion shaft 141 in contact with the lower end of the adjustment bolt 130 and forms a plate body 142 below.

The housing 110 is implemented at both ends of the chamber member 100, and may be implemented in a structure implemented only at one end.

In particular, the assembly structure in which the housing 110 is connected to the chamber member 100 is made as follows.

That is, the housing 110 has an open bottom and forms a space 111 inwardly, and a locking groove 115 and a locking jaw 114 that are engaged with and engaged with the locking protrusion 103 of the chamber member 100 at one side thereof. And a connection portion 112 having a space 113 formed thereon.

In particular, the locking projection 103 of the chamber member 100 of the present invention preferably forms a stopper 104 bent in a "b" shape at intervals along the chamber member 100.

In addition, the housing 110 forms a first space 111 in which the packing member 120 is inserted into a bottom portion thereof, and a second space 113 in which the locking protrusion 103 is positioned, and the adjustment bolt upwards. The tightening space 116 is formed so that 130 is screwed up and down. The tightening space 116 includes a predetermined shaft hole structure penetrating therein with the inner bottom space 111 of the housing 110.

The packing member 120 forms a third space 122 pressurized by the fluid pressure flowing from the inside of the chamber member 100, and the chamber member 100 and the piping member 200 contacted by the packing member 120. In close contact with both sides to form the wing 124.

The close wing 124 has a close contact force by the pressure of the leaking fluid applied to the third space 122. In addition, the upper surface of the packing member 120 may form a flat surface, but by forming an uneven portion 126 on the upper surface of the packing member 120 directly contacting the lower end of the control bolt 130 or pressurized by the plate body 142 of the pressing plate 140. This prevents slipping when the contact force is maintained closely.

Reference numeral 201 denotes a stopper of the pipe member 200 to prevent the slipping of the pipe member during the slip movement.

As described above, Figure 3b is an enlarged exploded perspective view of the main portion of another embodiment of the joint apparatus of the drinking water pipe of the present invention, Figure 4b is a cross-sectional view of the housing portion of the housing one end of the joint device of the drinking water pipe of the present invention.

As shown in the drawings, the joint apparatus of the drinking water pipe of the present invention has an assembly connection structure in which the coupling between the chamber member 100 and the housing 110 is not welded.

This connection is possible by connecting the locking groove 115, the locking jaw portion 114 to fit the locking projection 103 formed in the chamber member 100, the concave-shaped connection portion 112 is eventually the chamber member 100 ) And the housing 110 has a buffer space capable of adjusting the length and angle of the up, down, left and right directions.

In the joint device of the present invention drinking water pipe made in this way, unlike the conventional slip / ball composite joint as shown in Figure 4b is a linear slip operation and rotation for the angle adjustment is operated at the same time, in particular, the chamber member and the piping member It is characterized by providing a prefabricated slip / rotating composite joint that is assembled by covering a circular locking protrusion without welding in between. The coupling of the covering housing and the chamber member may be a bonding method of welding after assembly in a state in which the connection of the housing is separated.

In the present invention, the housing 110 is first connected to the chamber member 100, and the slip movement is possible to the inside / outside of the piping member 200 according to the field piping situation, and depending on the installation situation, at the same time slip and slightly There is also a feature that can be moved while changing the insertion angle of the piping member 200, even if there is a bend.

7A to 7B of the accompanying drawings disclose various embodiments of a pressure plate applied to the joint apparatus of the drinking water pipe of the present invention.

As shown in the drawings, the chamber member 100 is connected to at least one arc-shaped engraving member 115 having the adjusting bolt 130, and narrowed between the starting point and the end point of the pressing plate 140, or It is characterized by forming a gap A that opens.

In addition, the pressing plate 140 may be implemented in two semi-circular pieces, and may be implemented in four or more arc-shaped pieces.

8 is a schematic cross-sectional view of the packing member applied to the joint apparatus of the drinking water pipe of the present invention.

As shown in the drawing, when the pipe member 200 slips, the pressure of drinking water in the chamber member 100 is applied to the space 122 of the packing member 120, and the two wing blades 124 of the packing member 120 are pressed. It is maintained in close contact by pressing.

As described above, the joint apparatus of the drinking water pipe according to the present invention is suitable for drinking water, and the joint housing of the drinking / water pipe slip / rotating pipe joint is a slip / rotation function in which the slip operation of the pipe connection and the rotation for changing the connection angle are simultaneously performed. It provides slip / rotary pipe joints for drinking water pipes that are connected / assembled without this welding.

The present invention has the effect of ensuring a slip / rotation function between the chamber member and the piping member in the connection between the chamber member and the piping member, and further retains the buffering force between the chamber member and the housing by separating the housing and the connecting portion. The connecting member of the chamber member and the housing has a concave-coated structure to provide a new structure of the chamber member and the housing.

In particular, in the present invention, as the assembly construction is possible through a separate housing in connecting the chamber member and the piping member, the buffering / adjusting effect of the housing on the chamber member is ensured, and the control effect between the chamber member and the piping member is achieved. It has the effect of holding together.

Claims (18)

delete delete In the joint apparatus of drinking water pipes, A tubular hollow chamber member 100 in which the piping member 200 slips / moves inward, and is formed around the outer circumferential surface of both ends to form a locking protrusion 103; The bottom portion is open and forms a space 111 inward, and on one side there is formed a coupling portion 112 which is formed with a locking jaw portion and a locking groove portion 114, 115 engaged with the locking protrusion 103 of the chamber member 100. A housing 110; A packing member 120 positioned in the space 111 in the housing 110 to be in close contact with the chamber member 100 and the piping member 200 to block leakage fluid; An adjustment bolt 130 vertically / installed on the housing 110 to pressurize / adjust the packing member 120; And Joint device of the drinking water pipe, characterized in that it comprises a pressure plate (140) between the adjustment bolt 130 and the packing member 120. The tubing member 200 is slipped / moved inward, and the tubular hollow chamber member 100 having a circumferential protrusion 103 formed around the outer circumferential surface of both ends and the bottom is opened to form a space 111 inward, and one side thereof. A housing 110 having a connecting portion 112 formed with a locking jaw portion and a locking groove portion 114 and 115 coupled to the locking protrusion 103 of the chamber member 100 and a space in the housing 110. In the joint apparatus of the drinking water pipe which is located in the 111 and is made of a packing member 120 in close contact / internal to block the leakage fluid between the chamber member 100 and the piping member 200, The connection part 112 is a joint apparatus of drinking water pipes, characterized in that the bottom formed a second space 113 in which the locking projection 103 is located. The method of claim 3, wherein The pressing plate 140 is connected to the insertion shaft 141 which is in contact with the lower end of the adjustment bolt 130, the joint apparatus of the drinking water pipe, characterized in that to form a plate body 142 below. The method of claim 4, wherein The locking projection 103 is a joint device for drinking water pipes, characterized in that to form a stopper 104 bent in a "b" shape at intervals along the chamber member (100). The method of claim 3, wherein The packing member 120 is a joint member of the drinking water pipe, characterized in that to form a third space 122 is pressed by the fluid pressure flowing from the inside of the chamber member (100). The method of claim 7, wherein The packing member 120 is a joint device of the drinking water pipe, characterized in that to form a close wing 124 to seal / contact the chamber member 100 and the piping member 200. The method of claim 7, wherein The packing member 120 is a joint device of the drinking water pipe, characterized in that to form an uneven portion 126 on the upper surface. The method of claim 3, wherein The housing 110 is a joint device for drinking water pipes, characterized in that formed on both ends of the chamber member (100). The method according to claim 3 or 5, The pressing plate 140 is a joint device of drinking water pipes, characterized in that at least one circular piece to form a gap (A) narrowing or opening between the start point and the end point. The method of claim 11, The pressing plate 140 is a joint device of drinking water pipes, characterized in that two semi-circular pieces. The method of claim 11, The pressing plate 140 is a joint device of drinking water pipes, characterized in that four arc-shaped pieces. The tubing member 200 is slipped / moved inward, and the tubular hollow chamber member 100 having a circumferential protrusion 103 formed around the outer circumferential surface of both ends and the bottom is opened to form a space 111 inward, and one side thereof. A housing 110 having a connecting portion 112 formed with a locking jaw portion and a locking groove portion 114 and 115 coupled to the locking protrusion 103 of the chamber member 100 and a space in the housing 110. A packing member 120 which is located at 111 and is in close contact / internal contact to block leakage fluid between the chamber member 100 and the piping member 200, and the housing member to pressurize / adjust the packing member 120. In the joint device of the drinking water pipe consisting of a control bolt 130 vertically / installed at 110), The connection part 112 is a joint apparatus of drinking water pipes, characterized in that the bottom formed a second space 113 in which the locking projection 103 is located. The tubing member 200 is slipped / moved inward, and the tubular hollow chamber member 100 having a circumferential protrusion 103 formed around the outer circumferential surface of both ends and the bottom is opened to form a space 111 inward, and one side thereof. A housing 110 having a connecting portion 112 formed with a locking jaw portion and a locking groove portion 114 and 115 coupled to the locking protrusion 103 of the chamber member 100 and a space in the housing 110. In the joint apparatus of the drinking water pipe which is located in the 111 and is made of a packing member 120 in close contact / internal to block the leakage fluid between the chamber member 100 and the piping member 200, The packing member 120 is a joint member of the drinking water pipe, characterized in that to form a third space 122 is pressed by the fluid pressure flowing from the inside of the chamber member (100). The tubing member 200 is slipped / moved inward, and the tubular hollow chamber member 100 having a circumferential protrusion 103 formed around the outer circumferential surface of both ends and the bottom is opened to form a space 111 inward, and one side thereof. A housing 110 having a connecting portion 112 formed with a locking jaw portion and a locking groove portion 114 and 115 coupled to the locking protrusion 103 of the chamber member 100 and a space in the housing 110. A packing member 120 which is located at 111 and is in close contact / internal contact to block leakage fluid between the chamber member 100 and the piping member 200, and the housing member to pressurize / adjust the packing member 120. In the joint device of the drinking water pipe consisting of a control bolt 130 vertically / installed at 110), The packing member 120 is a joint member of the drinking water pipe, characterized in that to form a third space 122 is pressed by the fluid pressure flowing from the inside of the chamber member (100). The tubing member 200 is slipped / moved inward, and the tubular hollow chamber member 100 having a circumferential protrusion 103 formed around the outer circumferential surface of both ends and the bottom is opened to form a space 111 inward, and one side thereof. A housing 110 having a connecting portion 112 formed with a locking jaw portion and a locking groove portion 114, 115 coupled to the locking protrusion 103 of the chamber member 100 and a space in the housing 110. In the joint apparatus of the drinking water pipe which is located in the 111 and is made of a packing member 120 in close contact / internal to block the leakage fluid between the chamber member 100 and the piping member 200, The housing 110 is a joint device for drinking water pipes, characterized in that formed on both ends of the chamber member (100). The tubing member 200 is slipped / moved inward, and the tubular hollow chamber member 100 having a circumferential protrusion 103 formed around the outer circumferential surface of both ends and the bottom is opened to form a space 111 inward, and one side thereof. A housing 110 having a connecting portion 112 formed with a locking jaw portion and a locking groove portion 114 and 115 coupled to the locking protrusion 103 of the chamber member 100 and a space in the housing 110. A packing member 120 which is located at 111 and is in close contact / internal contact to block leakage fluid between the chamber member 100 and the piping member 200, and the housing member to pressurize / adjust the packing member 120. In the joint device of the drinking water pipe consisting of a control bolt 130 vertically / installed at 110), The housing 110 is a joint device for drinking water pipes, characterized in that formed on both ends of the chamber member (100).

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