CN217401971U - A leak-proof sealing ring for pressing pipe fittings - Google Patents

Abstract

The utility model discloses an anti-leakage clamping sealing ring for clamping a pipe fitting, comprising: a connecting pipe, a clamping pipe and at least one sealing ring. One end of the clamping pipe is sleeved on the connecting pipe, and the clamping pressure The inner wall of the pipe is provided with at least one accommodating groove, the sealing ring is arranged in the accommodating groove, the sealing ring has at least two special-shaped sections, and the inner walls of the two special-shaped sections have grooves; There is a certain gap in this place where water can leak. During the pressure test, it can play the role of prompting the leakage of clamping, ensuring the integrity of the product process, improving work efficiency and reducing engineering losses.

Description

A leak-proof sealing ring for pressing pipe fittings

technical field

The utility model relates to the technical field of sealing rings for pipe fittings, in particular to a leak-proof clamping sealing ring for pressing pipe fittings.

Background technique

The compression fitting is connected to the pipeline by a socket fitting with a special sealing ring. After the compression fitting is inserted into the compression fitting, the outer wall of the end of the compression fitting is pressed inward by a hydraulic compression tool to make the compression The inner wall of the pipe fitting, the sealing ring and the outer wall of the pipe fitting are deformed and stuck to each other, so as to realize the sealed connection between the compressed pipe fitting and the pipe fitting, and the connection work can be completed without welding and other operations. It has the characteristics of small operating space, earthquake resistance, and maintenance-free after installation.

The compression connection of the pipe fittings can achieve efficient and long-term sealing, but if the compression is not carried out, due to the effect of the sealing ring, the fluid will not leak a lot in a short time, and it may not be found that the compression process is omitted. Installation such as piping system will cause rework of the project, resulting in greater economic losses.

SUMMARY OF THE INVENTION

In view of the above-mentioned problems existing in the existing leak-proof card sealing ring, the present purpose is to provide a leakage-proof card sealing ring for a compression pipe fitting with a simple structure and easy to find leakage clamping.

The specific technical solutions are as follows:

An anti-leakage clamping sealing ring for clamping pipe fittings, comprising: a connecting pipe, a clamping pipe and at least one sealing ring, one end of the clamping pipe is sleeved on the connecting pipe, and the inner wall of the clamping pipe is provided with There is at least one accommodating groove, the sealing ring is arranged in the accommodating groove, the sealing ring has at least two special-shaped sections, and the inner walls of the two special-shaped sections have grooves.

As a further improvement and optimization of this solution, the sealing ring includes: at least two special-shaped sections and at least two conventional sections, and the two special-shaped sections are respectively arranged and connected to the two conventional sections at intervals.

As a further improvement and optimization of this solution, the cross-sectional area of the special-shaped segment is equal to that of the conventional segment.

As a further improvement and optimization of this solution, some of the special-shaped segments and some of the conventional segments are integrated structures.

As a further improvement and optimization of this solution, when the sealing ring has two special-shaped sections, the two special-shaped sections are not arranged opposite to each other.

As a further improvement and optimization of this solution, the projection of the outer wall of the sealing ring along its axial direction is circular.

As a further improvement and optimization of this solution, the section of the conventional segment is circular.

As a further improvement and optimization of this solution, the pressing tube is inserted into the connecting tube, and the inner wall of the sealing ring is in sealing fit with the outer wall of the pressing tube.

As a further improvement and optimization of this solution, the side wall of the pressing tube has at least one convex ring, and the accommodating groove is located on the inner wall of the convex ring.

As a further improvement and optimization of this solution, the outer diameter of the sealing ring is larger than the inner diameter of the accommodating groove.

Compared with the prior art, the above-mentioned technical solution has the following positive effects:

(1) In this utility model, the sealing ring is arranged in an irregular shape, and there is a certain gap at this place to allow water leakage during assembly. During the pressure test, it can play a role of prompting the leakage of clamping here, so as to ensure the integrity of the product process flow and improve the Work efficiency and reduce engineering losses.

(2) In the utility model, the cross-sectional area of the special-shaped section of the sealing ring is the same as that of the conventional section, and the filling effect of the sealing ring is not affected after the compression is realized, and the sealing effect is equivalent to that of the conventional sealing ring.

Description of drawings

Fig. 1 is a structural schematic diagram of a leak-proof sealing ring of the utility model for pressing pipe fittings;

Fig. 2 is an enlarged schematic view of the leak-proof sealing ring A of a compression pipe fitting of the present invention;

3 is a schematic structural diagram of a compression tube of a leak-proof sealing ring of a compression tube fitting according to the present invention;

FIG. 4 is a schematic structural diagram of a sealing ring of a leak-proof sealing ring for pressing a pipe fitting according to the present invention;

FIG. 5 is a side view of a sealing ring of a leak-proof sealing ring for pressing a pipe fitting according to the present invention;

In the drawings: 1, connecting pipe; 2, pressing pipe; 3, sealing ring; 21, accommodating groove; 31, conventional section; 32, special-shaped section.

Detailed ways

The present utility model will be further described below with reference to the accompanying drawings and specific embodiments, but not as a limitation of the present utility model.

Fig. 1 is a structural schematic diagram of a leak-proof snap seal ring of a pressing pipe fitting of the present invention, Fig. 2 is an enlarged schematic view of the leak-proof snap seal ring A of a pressing pipe fitting of the present invention, and Fig. 3 is a first Figure 4 is a schematic structural diagram of a sealing ring of a leak-proof sealing ring for a compression pipe fitting of the present invention, and Figure 5 is a sealing ring of the present invention. The side view of the sealing ring of the leak-proof snap seal of a pipe fitting, as shown in Figures 1-5, shows a leak-proof snap seal of a compression pipe fitting according to a preferred embodiment, including: a connecting pipe 1, a snap ring The compression tube 2 and at least one sealing ring 3, one end of the compression tube 2 is sleeved on the connecting tube 1, the inner wall of the compression tube 2 is provided with at least one accommodating groove 21, and the sealing ring 3 is arranged in the accommodating groove 21. 3 has at least two special-shaped sections 32, and the inner walls of the two special-shaped sections 32 have grooves.

The groove in this embodiment has a certain gap during assembly where water can leak, and can play a role of prompting leakage of clamping during pressure testing, ensuring the integrity of the product process flow, improving work efficiency, and reducing engineering losses.

Further, as a preferred embodiment, the sealing ring 3 includes: at least two special-shaped sections 32 and at least two conventional sections 31 , and the two special-shaped sections 32 are respectively arranged and connected to the two conventional sections 31 at intervals.

Further, as a preferred embodiment, the cross-sectional area of the special-shaped section 32 is equal to that of the conventional section 31;

Further, as a preferred embodiment, a plurality of special-shaped sections 32 and a plurality of conventional sections 31 are integral structures.

Further, as a preferred embodiment, when the sealing ring 3 has two special-shaped sections 32, the two special-shaped sections 32 are not arranged opposite each other; To remind the installation workers of the role of leakage clamping here, to avoid the leakage of the installation leakage and the clamping is not detected in time, and the water leakage in the later real life will cause serious property losses.

Further, as a preferred embodiment, the projection of the outer wall of the sealing ring 3 along its axial direction is circular.

Further, as a preferred embodiment, the section of the conventional segment 31 is circular.

Further, as a preferred embodiment, the pressing tube 2 is inserted into the connecting tube 1 , and the inner wall of the sealing ring 3 is in sealing fit with the outer wall of the pressing tube 2 .

Further, as a preferred embodiment, the side wall of the pressing tube 2 has at least one convex ring, and the accommodating groove 21 is located on the inner wall of the convex ring.

Further, as a preferred embodiment, the outer diameter of the sealing ring 3 is larger than the inner diameter of the accommodating groove 21 .

In this embodiment, the sealing ring 3 is set in an irregular shape, and there is a certain gap at this place for water leakage during assembly, and it can play a role of prompting the leakage of clamping here during the pressure test, so as to ensure the integrity of the product process and improve the work efficiency. , reduce engineering losses.

In this embodiment, the cross-sectional area of the special-shaped section 32 of the sealing ring 3 is the same as the cross-sectional area of the conventional section 31 .

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the implementation and protection scope of the present invention. Those skilled in the art should be able to realize that any application of the description and illustrations of the present invention has The solutions obtained from equivalent substitutions and obvious changes should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a leak protection card sealing ring of card pressure pipe fitting which characterized in that includes: the clamping and pressing pipe comprises a connecting pipe, a clamping and pressing pipe and at least one sealing ring, wherein one end of the clamping and pressing pipe is sleeved on the connecting pipe, at least one accommodating groove is formed in the inner wall of the clamping and pressing pipe, the sealing ring is arranged in the accommodating groove, the sealing ring is provided with at least two special-shaped sections, and the inner wall of each special-shaped section is provided with a groove.

2. The leak-proof gasket of a pipe clamp according to claim 1, wherein said gasket comprises: the special-shaped sections and the conventional sections are arranged at intervals and connected with each other.

3. The leak-proof seal ring for pipe clamp according to claim 2, wherein the cross-sectional area of said profiled section is equal to the cross-sectional area of said regular section.

4. The leak-proof seal ring for pipe fittings according to claim 3, wherein a plurality of said profiled sections and a plurality of said conventional sections are of an integral structure.

5. The leak-proof gasket of claim 1, wherein when said gasket has two said profiled sections, said sections are not disposed opposite each other.

6. The leak-proof seal ring for a pipe press-fitting according to claim 1, wherein the projection of the outer wall of said seal ring in the axial direction thereof is circular.

7. The leak-proof seal ring for a swaged tube according to claim 2, wherein the cross section of the regular section is circular.

8. The leak-proof sealing ring for the pipe clamping and pressing according to claim 1, wherein the clamping and pressing pipe is inserted into the connecting pipe, and the inner wall of the sealing ring is in sealing fit with the outer wall of the clamping and pressing pipe.

9. The leak-proof sealing ring for a clamping and pressing pipe fitting as claimed in claim 8, wherein the side wall of the clamping and pressing pipe fitting is provided with at least one convex ring, and the receiving groove is located on the inner wall of the convex ring.

10. The leak-proof seal ring for a pipe press-fitting according to claim 6, wherein an outer diameter of said seal ring is larger than an inner diameter of said receiving groove.

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