CN201152424Y - Water pipe joint - Google Patents

Abstract

The utility model discloses a water pipe head, this joint comprise nipple and cylindrical swivel nut through screw thread interconnect, and the middle part of nipple is equipped with the water hole that link up, and the upper end is the screw thread mouth, and the centre is the screw thread section part, and the lower extreme is the taper sleeve pipe of connecting the water pipe, and one section glossy inner wall is left in the region that cylindrical swivel nut down at its internal thread, and forms the clearance that holds the water pipe wall thickness between the taper sleeve pipe of nipple. The utility model discloses the linking method is simple, revolves cylindrical swivel nut to the screw thread section part of nipple earlier during the installation, and after the toper sleeve pipe of nipple easily inserted the plastics water pipe again, only need the cylindrical swivel nut of the joint outer lane of screwing in with the hand in the opposite direction, can firmly lock it, infiltration, airtight after connecting.

Description

pipe connector

technical field

The utility model relates to a joint used for connecting plastic soft water pipes with faucets or water pipes.

Background technique

There are many kinds of existing water pipe joints, such as "a kind of water pipe joint" disclosed in Chinese patent CN200520049933.6, and "a water pipe joint" disclosed in Chinese patent CN200620028311. Complex, inconvenient to operate, prone to leakage.

Utility model content

Aiming at the deficiencies in the prior art, the utility model aims to provide a water pipe joint with simple structure, easy operation and stable performance.

The technical scheme that the utility model adopts is:

A water pipe joint, the joint is composed of an inner joint connected to each other through threads and a cylindrical screw sleeve, the middle part of the inner joint is provided with a through water hole, the upper end is a threaded opening, the middle is a threaded section, and the lower end is a connecting water pipe The tapered sleeve of the cylindrical screw sleeve has a smooth inner wall in the area where the internal thread goes down, and a gap is formed between the tapered sleeve of the inner joint to accommodate the wall thickness of the water pipe.

A section of cylinder is arranged between the threaded section of the inner joint and the tapered sleeve.

A cylindrical body is arranged between the threaded section of the inner joint and the threaded opening.

The tapered sleeve of the inner joint is provided with multiple annular ribs.

The rib surface is also tapered.

The connection method of the utility model is simple. When installing, first screw the cylindrical screw sleeve to the thread section of the inner joint, and then easily insert the tapered sleeve of the inner joint into the plastic water pipe, and then only need to reversely tighten the outer ring of the joint by hand. The cylindrical screw sleeve can be locked firmly, and it is not seepage and airtight after connection.

Description of drawings

Fig. 1 is the structural representation of inner joint;

Figure 2 is a sectional view of the inner joint;

Fig. 3 is the structural representation of cylindrical screw sleeve;

Fig. 4 is the sectional view of cylindrical screw sleeve;

Fig. 5 is a schematic diagram of the connection process of the present utility model;

Fig. 6 is a sectional view of the utility model after the water pipe is locked;

Fig. 7 is a schematic structural diagram of the second inner joint.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in further detail.

The reference signs are explained as follows:

11——Inner joint 12——Cylindrical threaded sleeve

13——Water hole 14——Threaded mouth

15——Threaded section 16——Taper sleeve

17——Cylinder 18——Annular rib

19——inner wall 20——plastic water pipe

As shown in Figures 1 to 4, the water pipe joint is composed of an inner joint 11 and a cylindrical screw sleeve 12 connected to each other through threads. The middle part of the inner joint 11 is provided with a through water hole 13, and the upper end is a threaded opening for connecting a faucet or a water pipe. 14. The middle part is a threaded part 15, and the lower end is a tapered casing 16 connected to the water pipe. There is a section of cylinder 17, the tapered sleeve 16 has multiple annular ribs 18, and the surface of the ribs is also tapered, and the cylindrical screw sleeve 12 has a section of smooth inner wall 19 in the area where the inner thread goes down. , form a gap to accommodate the wall thickness of the water pipe with the tapered sleeve of the inner joint.

As shown in Figures 5 and 6, when installing, first screw the cylindrical screw sleeve 12 to the threaded section of the inner joint, and then easily insert the tapered sleeve 16 of the inner joint into the plastic water pipe 20, and then reverse the direction by hand. Tighten the cylindrical screw sleeve 12 of the outer ring of the joint, and the plastic water pipe 20 can be pressed tightly on the tapered sleeve 16 by the cylindrical screw sleeve 12. The smaller the gap, the firmer the plastic water pipe 20 is locked.

The second type of inner joint shown in Figure 7, the tapered sleeve 16 of the inner joint 11 is a two-section structure, which is composed of two cones, and its diameter gradually decreases towards the end, so that it can not only be connected to the water pipe It is more firm, and it is also beneficial to shorten the length of the tapered sleeve, thereby saving manufacturing materials and reducing costs. The rest of the structure is basically the same as the first type of inner joint, and will not be repeated here.

The utility model is not limited to the above-mentioned best implementation mode, and anyone can draw other various forms of products under the enlightenment of the present invention. But no matter any changes are made in its shape or structure, all technical solutions identical or similar to the utility model are all within its protection scope.

Claims (5)

1, a kind of water pipe adapter, it is characterized in that, this joint is by forming by interconnective spigot of screw thread and cylindrical swivel nut, the middle part of described spigot is provided with the water hole of perforation, the upper end is a screw mouth, and the centre is the thread section part, and the lower end is for connecting the taper of water pipe, cylindrical swivel nut screw thread zone down within it leaves one section smooth inwall, and forms the gap that holds the water pipe wall thickness between the taper of spigot.

2, water pipe adapter according to claim 1 is characterized in that, is provided with one section cylindrical body between the thread section part of described spigot and the taper.

3, water pipe adapter according to claim 1 is characterized in that, is provided with one section cylindrical body between the thread section part of described spigot and the screw mouth.

4, water pipe adapter according to claim 1 is characterized in that, has the multiple tracks annular ridge on the taper of described spigot.

5, water pipe adapter according to claim 4 is characterized in that, described fin surface is also tapered.

Images