CN217762467U

CN217762467U - Leak-proof joint

Info

Publication number: CN217762467U
Application number: CN202221318759.0U
Authority: CN
Inventors: 赖炎村; 林志明; 陈震阳
Original assignee: FLUXTEK INTERNATIONAL CORP
Current assignee: FLUXTEK INTERNATIONAL CORP
Priority date: 2021-06-18
Filing date: 2022-05-30
Publication date: 2022-11-08
Anticipated expiration: 2032-05-30
Also published as: CN115492999A; TWI780782B; TW202300804A

Abstract

The utility model discloses leak protection connects, including a joint body, this joint body has first linking portion and a second linking portion, and this first linking portion is equipped with an external screw thread portion respectively with this second linking portion, and this external screw thread portion is connected with the internal screw tube spiro union of a water pipe, and this joint body is close to this external screw thread portion and has cup jointed an elastic leak-stopping ring. The outer peripheral wall of the leakage stopping ring is provided with external threads, the outer diameter of the leakage stopping ring is larger than the first joining part/the second joining part of the joint body, and the thread part of the leakage stopping ring is screwed with the inner screwed pipe of the water pipe, so that the joint body and the joint part of the water pipe have a leakage stopping effect.

Description

Leak-proof joint

Technical Field

The present invention relates to a joint for a water pipe, and more particularly to a joint having at least one elastic anti-leakage ring connected to the outer periphery of the joint, wherein the outer diameter of the anti-leakage ring has an external thread, the joint also has a male thread section, the diameter of the external thread of the anti-leakage ring is larger than the diameter of the male thread section of the joint, and the joint is screwed with an internal pipe of a water pipe to achieve the anti-leakage effect.

Background

The general water purifier is connected to a water inlet pipe and a water outlet pipe, water in the water pipe is conveyed into the water purifier and filtered by the water purifier, so that purified water flows out of the water outlet pipe, the joint is used for connecting the water inlet pipe/the water outlet pipe, the water inlet pipe/the water outlet pipe and the joint are connected together in a screw connection mode, and in order to enable the joint of the water inlet pipe/the water outlet pipe and the joint to have a water seepage prevention effect, a leakage stopping adhesive tape is wound on an external thread of the joint to achieve a leakage prevention effect. However, in practical operation, when the tightness of the external thread of the joint is different from the tightness of the internal thread of the water pipe, the number of turns of the leakage-stopping adhesive tape wound around the external thread of the joint is difficult to control, and often the number of turns of the leakage-stopping adhesive tape wound around the external thread of the joint is too many, so that the internal thread of the water pipe cannot be smoothly screwed with the external thread of the joint.

The utility model discloses a water purifier connects with resistance to compression leak protection is disclosed to new patent number M512086 in taiwan of knowing knowledge, this connects protruding an articulate portion that is equipped with, be formed with a screw thread portion in the outer fringe of this articulate portion, and be formed with dentate spiral shell tooth section in screw thread portion one section, it has soft manger plate portion to wrap outside this dentate spiral shell tooth section again, when combining with water purifier articulate hole spiro union by this, can not only reach the watertight effect, and can be comparatively convenient quick in the combination, and when the angle of use of this joint of rotation adjustment, can not exert an influence to its watertight effect, and increase practical efficiency in its whole implementation use.

However, in practical implementation, the metal joint is not machined well to form the toothed thread section on one section of the threaded portion, which results in time and labor consuming machining and is not economical.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a leak protection connects, this joint has a tip at least, the periphery of this tip is equipped with public screw thread section, the external diameter of this public screw thread section is greater than the pipe diameter of this joint, an elastic leak-stopping ring is established to the pipe diameter cover of this joint, the external diameter of this leak-stopping ring is greater than the external diameter of this public screw thread section, and this leak-stopping ring has an external screw thread, make the public screw thread section of this joint and the public screw thread of this leak-stopping ring and the interior screwed pipe of a water pipe close, can reach the leak-stopping effect, and have the quick easy advantage of equipment.

In order to achieve the above object, the present invention provides a leakage-proof joint, which is connected to a water pipe, the leakage-proof joint comprises a joint body and a first elastic leakage-stopping ring, the joint body has a first connection portion, the first connection portion is close to the opening of the first connection portion and is provided with a first male thread section, the diameter of the first male thread section is greater than the diameter of the first connection portion, the first leakage-stopping ring is sleeved to the first connection portion, the first leakage-stopping ring has an external thread, the diameter of the external thread of the first leakage-stopping ring is greater than the diameter of the first male thread section of the joint body, the water pipe has a connection portion, the connection portion has an internal thread pipe, and the internal thread of the connection portion is screwed with the first male thread section of the first connection portion and the external thread of the first leakage-stopping ring.

In some embodiments, the first engagement portion has a second male thread segment adjacent the first male thread segment, the first leak-stop ring has an internal thread, and the internal thread of the first leak-stop ring is threaded with the second male thread segment of the first engagement portion.

In some embodiments, the first male threaded section has a female neck configured with a second leak-stop ring having an external thread, the second leak-stop ring having a smaller diameter than the first leak-stop ring, the internal coil of the water pipe being in threaded engagement with the external thread of the second leak-stop ring.

In some embodiments, the female neck is provided with a third thread segment, the second leak-proof ring is provided with an internal thread, and the internal thread of the second leak-proof ring is screwed with the third thread segment of the female neck.

In some embodiments, the first leak-stopping ring is made of a rubber material.

In some embodiments, the connector body further includes a second engagement portion, and the first engagement portion and the second engagement portion are 90 ° with respect to each other.

In some embodiments, the pipe diameter of the first engagement portion is less than the pipe diameter of the second engagement portion.

The utility model further provides a leakage-proof joint which is connected with a water pipe and comprises a joint body and an elastic leakage-proof ring, wherein the joint body is provided with a first connecting part, the diameter of the first connecting part towards the opening direction is gradually reduced to form a taper, the first connecting part is provided with a first male thread section close to the opening, and the first connecting part is provided with a concave neck; the leak-stopping ring is arranged on the concave neck and provided with an external thread, the diameter of the external thread of the leak-stopping ring is larger than that of the first male thread section of the joint body, the water pipe is provided with a connecting part which is provided with an internal screw pipe, and the internal screw pipe of the connecting part is screwed with the first male thread section of the first connecting part and the external thread of the leak-stopping ring.

In some embodiments, the leak-stopping ring is made of rubber.

In some embodiments, the connector body further includes a second engagement portion, and the first engagement portion and the second engagement portion are 90 ° to each other.

Thus, the leakage-proof effect can be achieved, and the advantages of quick and easy assembly can be achieved, thereby having industrial applicability.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a perspective view of a first embodiment of the present invention.

Fig. 2 is a sectional view of the first embodiment of the present invention.

Fig. 3 is a sectional view of a second embodiment of the present invention.

Fig. 4 is a sectional view showing a combination of a water pipe and a second embodiment of the present invention.

Fig. 5 is a sectional view of a third embodiment of the present invention.

Fig. 6 is a sectional view of a third embodiment of the present invention in combination with a water pipe.

Description of the main element symbols:

100. 100a, 100b: a water pipe; 110. 110a, 110b: a connecting portion; 120. 120a, 120b: an internal thread; 10. 10a, 10b: a connector body; 11. 11a, 11b: a first engagement portion; 111. 111a, 111b: a first male thread segment; 12. 12a, 12b: a second engagement portion; 112. 112a: a second male thread segment; 113a, 113b: a concave neck; 114a: a third thread segment; 20. 20a, 20b, 20c: a leakage-stopping ring; 21. 21a: an internal thread; 22. 22a, 22b: and (4) external threads.

Detailed Description

The embodiments of the present invention will be described in detail with reference to the drawings, wherein the drawings are simplified and the basic structure of the present invention is illustrated schematically, so that only the components related to the present invention are shown in the drawings, and the components shown are not drawn according to the number, shape, size ratio, etc. in the implementation, the specification and size in the implementation are actually an optional design, and the layout of the components may be more complicated.

The following description of the embodiments refers to the accompanying drawings for illustrating the specific embodiments in which the invention may be practiced. In the description, unless explicitly described to the contrary, the word "comprise" will be understood to mean the inclusion of stated elements but not the exclusion of any other elements.

Referring to fig. 1 and 2, fig. 1 is a perspective view of a first embodiment of the present invention, and fig. 2 is a cross-sectional view of the first embodiment of the present invention. The utility model discloses a leak protection connects, this leak protection connects and a water pipe 100 links up, this leak protection connects including a joint body 10 and an elastic first leak-stopping ring 20, in this embodiment, this joint body 10 has a first linking portion 11 and a second linking portion 12, this first linking portion 11 and this second linking portion 12 are each 90, the pipe diameter of this first linking portion 11 is less than the pipe diameter of second linking portion 12, this first linking portion 11 is close its opening and has a first public screw thread section 111, the circle footpath of this first public screw thread section 111 is greater than the circle footpath of this first linking portion 11 that connects body 10, this first linking portion 11 that connects body 10 is close to this first public screw thread section 111 and is equipped with a second public screw thread section 112.

The first leakage-stopping ring 20 may be made of rubber, the first leakage-stopping ring 20 has an internal thread 21 and an external thread 22, the internal thread 21 is screwed with the second male thread section 112 of the joint body 10, and the diameter of the external thread 22 of the first leakage-stopping ring 20 is larger than the diameter of the first male thread section 111 of the joint body 10.

The water pipe 100 has a connecting portion 110 at an end thereof adjacent to the joint body 10, the connecting portion 110 has an internal threaded pipe 120, and the internal threaded pipe 120 of the connecting portion 110 is screwed with the first male thread section 111 of the joint body 10 and the external thread 22 of the first leak-stopping ring 20.

Therefore, the first leak-stopping ring 20 is elastically compressible and deformable, and the diameter of the first leak-stopping ring is larger than that of the first male thread section 111 of the joint body 10, so that when the internal thread pipe 120 of the water pipe 100 is simultaneously screwed with the first male thread section 111 of the joint body 10 and the external thread 22 of the first leak-stopping ring 20, the first leak-stopping ring 20 of the joint body 10 is pressed by the internal thread pipe 120 of the water pipe 100, and the leak-stopping effect can be achieved.

Referring to fig. 3 and 4 again, fig. 3 is a sectional view of a second embodiment of the present invention, and fig. 4 is a sectional view of a combination of the second embodiment of the present invention and a water pipe. The utility model discloses a leak-proof joint, this leak-proof joint links up with a water pipe 100a, this leak-proof joint is including a joint body 10a, elastic first leak-proof ring 20 and second leak-proof ring 20a, in this embodiment, this joint body 10 has a first linking portion 11a and a second linking portion 12a, this first linking portion 11a and this second linking portion 12a are each other 90, the pipe diameter of this first linking portion 11a is less than the pipe diameter of second linking portion 12a, this first linking portion 11a is close to its opening and has a first male thread section 111a, it is equipped with a second male thread section 112a to be close to this first male thread section 111a, this first male thread section 111a is equipped with a concave neck 113a, the round diameter of this first male thread section 111a is greater than the round diameter of this first linking portion 11a of this joint body 10a, the round diameter of second male thread section 112a is less than the round diameter of this first male thread section 111a, this third thread section is equipped with a concave neck 113a again.

The first leakage-stopping ring 20 is made of rubber and has an internal thread 21 and an external thread 22, the internal thread 21 of the first leakage-stopping ring 20 is screwed with the second male thread section 112a of the joint body 10a, and the diameter of the external thread 22 of the first leakage-stopping ring 20 is larger than that of the first thread section 111a of the joint body 10 a.

A second leakage-stopping ring 20a made of rubber and arranged on the concave neck 113a of the joint body 10a, wherein the second leakage-stopping ring 20a has an internal thread 21a and an external thread 22a, the diameter of the second leakage-stopping ring 20a is larger than the diameter of the first connecting part 11a of the joint body 10a, the diameter of the external thread 22 of the first leakage-stopping ring 20a is larger than the diameter of the second leakage-stopping ring 20a, and the internal thread 21a of the second leakage-stopping ring 20a is screwed with the third thread section 114a of the concave neck 113 a.

The water pipe 100a has a connecting portion 110a at an end thereof adjacent to the joint body 10a, the connecting portion 110a is provided with an internal threaded pipe 120a, and the internal threaded pipe 120a of the connecting portion 110a is screwed with the first male thread section 111a of the joint body 10a, the external thread 22a of the second leakage stop ring 20a and the external thread 22 of the first leakage stop ring 20.

Accordingly, when the internal thread 120a of the water pipe 100a is screwed with the first male thread section 111a of the joint body 10a and screwed with the

external threads

22, 22a of the first and second leakage stop rings 20a, since the second leakage stop ring 20a has elasticity and has a larger diameter than the first male thread section 111a of the joint body 10a, the leakage prevention effect is obtained when the internal thread 120a of the water pipe 100a is pressed and deformed, and the diameter of the first leakage stop ring 20 is larger than that of the second leakage stop ring 20a, the water pipe 100a is pressed more tightly, so that the internal thread 120a thereof is screwed with the first male thread section 111a of the joint body 10a, and the first and second

leakage stop rings

20, 20a are pressed by the internal thread 120a of the water pipe 100a and are compressed and deformed, thereby providing the leakage prevention effect between the water pipe 100a and the joint body 10a in a dual layer.

Referring to fig. 5 and 6 again, fig. 5 is a sectional view of a third embodiment of the present invention, and fig. 6 is a sectional view of a combination of the third embodiment of the present invention and a water pipe. The utility model discloses a leak protection connects, this leak protection connects links up with a water pipe 100b, this leak protection connects including a joint body 10b and an elastic leak protection ring 20b, in this embodiment, this joint body 10b has a first linking portion 11b and a second linking portion 12b, this first linking portion 11b and this second linking portion 12b are each other for 90, this first linking portion 11 b's circle footpath has the tapering towards its opening direction convergent, this first linking portion 11b is close its opening part and is equipped with a first public screw thread section 111b, and this first linking portion 11b is equipped with a concave neck 113b.

The leakage-stopping ring 20b is made of rubber and has an external thread 22b, and the circular diameter C of the external thread 22b of the leakage-stopping ring 20b is larger than the circular diameter D of the first male thread section 111b of the joint body 10 b.

The end of the water pipe 100b adjacent to the joint body 10b is a connecting portion 110b, the connecting portion 110b is provided with an internal threaded pipe 120b, and the internal threaded pipe 120b of the connecting portion 110b is screwed with the first male threaded section 111b of the joint body 10b and is screwed with the external thread 22b of the leakage stopping ring 20 b.

By the elastic compression deformation of the leakage-proof ring 20b, the leakage-proof ring 20b can be compressed and deformed by the inner screw tube 120b of the water pipe 100b when the water pipe 100b is tightened to make the inner screw tube 120b screwed with the first male thread section 111b of the joint body 10b and screwed with the outer thread 22b of the leakage-proof ring 20b, thereby achieving the effect of tight water leakage prevention.

To sum up, the first embodiment of the present invention provides elasticity by the first leak-stopping ring 20, when the inner screw tube 120 of the water pipe 100 is screwed with the first male screw section 111 of the joint body 10, the first external thread 22 of the first leak-stopping ring 20 can be screwed with the inner screw tube 120 of the water pipe 100, because the diameter of the first external thread 22 of the first leak-stopping ring 20 is slightly larger than the outer diameter of the first male screw section 111 of the joint body 10, the first leak-stopping ring 20 can be deformed by the inner screw tube 120 of the water pipe 100, so as to achieve the leak-stopping effect, and the present invention has the advantages of simple structure and easy assembly of the joint body 10 and the first leak-stopping ring 20, and can be quickly screwed with the inner screw tube 120 of the water pipe 100, having substantial industrial applicability, and issuing a patent application according to the patent application method.

The above-described embodiments are merely illustrative of the principles, features and effects of the present invention, and are not intended to limit the scope of the invention, which can be modified and varied by those skilled in the art without departing from the spirit and scope of the invention. Any equivalent changes and modifications made by the present disclosure should be covered by the present application.

Claims

1. A leak-proof joint, which is connected with a water pipe, is characterized in that the leak-proof joint comprises:

the connector comprises a connector body, a first connecting part and a second connecting part, wherein the connector body is provided with a first male thread section close to an opening of the first connecting part, and the circular diameter of the first male thread section is larger than that of the first connecting part;

the elastic first leakage-stopping ring is sleeved on the first connecting part and provided with an external thread, and the diameter of the external thread of the first leakage-stopping ring is larger than that of the first male thread section of the joint body;

the water pipe is provided with a connecting part which is provided with an inner screwed pipe, and the internal thread of the connecting part is screwed with the first male thread section of the first connecting part and the external thread of the first leakage-stopping ring.

2. The leak-proof adapter as claimed in claim 1, wherein the first engagement portion has a second male thread section adjacent to the first male thread section, the first leak-proof ring has an internal thread, and the internal thread of the first leak-proof ring is screwed with the second male thread section of the first engagement portion.

3. The leak-proof connector of claim 2 wherein the first male threaded section has a female neck configured with a second leak-proof ring having an external thread, the second leak-proof ring having a smaller diameter than the first leak-proof ring, the internal threaded tube of the water pipe being threaded with the external thread of the second leak-proof ring.

4. The leak-resistant fitting of claim 3 wherein the female neck is provided with a third threaded section and the second leak-stop ring is provided with an internal thread, the internal thread of the second leak-stop ring being threaded with the third threaded section of the female neck.

5. The leak-proof adapter as claimed in claim 1, wherein the first leak-stopping ring is made of rubber.

6. The leak-proof connector of claim 1, wherein the connector body further comprises a second engagement portion, the first engagement portion and the second engagement portion being at 90 ° to each other.

7. The leak-resistant joint as recited in claim 6, wherein the first joint has a smaller tube diameter than the second joint.

8. A leak resistant fitting for engagement with a water pipe, comprising:

a joint body, the joint body has a first connection part, the first connection part has a taper with a gradually reduced diameter towards the opening direction, the first connection part is provided with a first male thread section near the opening, the first connection part is provided with a concave neck;

a flexible leak-proof ring, which is installed on the concave neck and has an external thread, the diameter of the external thread of the leak-proof ring is larger than that of the first male thread section;

the water pipe is provided with a connecting part which is provided with an inner screw pipe, and the inner screw pipe of the connecting part is screwed with the first male thread section of the first connecting part and the outer thread of the leakage stopping ring.

9. The leak-resistant joint as recited in claim 8, wherein the leak-stopping ring is made of rubber.

10. The leak-proof joint as defined in claim 8, wherein the joint body further comprises a second connecting portion, the first connecting portion and the second connecting portion being at 90 ° to each other.