CN217401971U

CN217401971U - Leak-proof sealing ring for clamping and pressing pipe fitting

Info

Publication number: CN217401971U
Application number: CN202220084422.1U
Authority: CN
Inventors: 孔令洋; 叶小敏; 赵友全; 叶敏; 何涛
Original assignee: Ningbo Jintian Copper Tube Co Ltd
Current assignee: Ningbo Jintian Copper Tube Co Ltd
Priority date: 2022-01-13
Filing date: 2022-01-13
Publication date: 2022-09-09
Anticipated expiration: 2032-01-13

Abstract

The utility model discloses a leak protection card sealing washer of pipe fitting is pressed to card, include: the sealing device comprises a connecting pipe, a clamping pipe and at least one sealing ring, wherein one end of the clamping pipe is sleeved on the connecting pipe, the inner wall of the clamping pipe is provided with at least one accommodating groove, the sealing ring is arranged in the accommodating groove, the sealing ring is provided with at least two special-shaped sections, and the inner walls of the two special-shaped sections are provided with grooves; the utility model discloses there is certain clearance to leak this department when the assembly, can play the suggestion here and leak tight effect of clamp when the pressure testing, guarantees that product process is complete, improves work efficiency, reduces the engineering loss.

Description

Leak-proof sealing ring for clamping and pressing pipe fitting

Technical Field

The utility model relates to a technical field of pipe fitting sealing washer especially relates to a leak protection card sealing washer of pipe fitting is pressed to card.

Background

The clamping and pressing type pipe fitting is a connecting pipeline of a socket pipe fitting with a special sealing ring, after the clamping and pressing pipe fitting is inserted into the clamping and pressing pipe fitting, the end outer wall of the clamping and pressing pipe fitting is clamped and pressed inwards by using a hydraulic clamping and pressing tool, so that the inner wall of the clamping and pressing pipe fitting, the sealing ring and the outer wall of the pipe fitting are deformed, clamped and tightly attached to each other, the sealing connection between the clamping and pressing pipe fitting and the pipe fitting is realized, the connection work can be completed without operations such as welding, and the clamping and pressing pipe fitting has the characteristics of tensile pulling resistance, rotation resistance, simplicity and convenience in installation, small required operation space, shock resistance, maintenance-free performance after installation and the like.

Carry out the card to the pipe fitting and press the connection, can realize high-efficient, long-time sealed, nevertheless if not carry out the card and press, because the effect of sealing washer, fluid can not a large amount of seepage in the short time yet, probably can not discover also that the card presses the process to omit, in case the installation like pipe-line system, will cause the engineering to rework, form great economic loss.

Disclosure of Invention

Aiming at the problems of the existing leak-proof sealing ring, the leak-proof sealing ring for the clamping and pressing pipe fitting is simple in structure and easy to leak and clamp.

The specific technical scheme is as follows:

a leak-proof seal ring for swaging tubing, comprising: 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.

As a further improvement and optimization of this aspect, the seal ring includes: the special-shaped sections and the conventional sections are arranged at intervals and connected with each other.

As a further improvement and optimization of the solution, the cross-sectional area of the profiled section is equal to the cross-sectional area of the conventional section.

As a further improvement and optimization of the scheme, the plurality of special-shaped sections and the plurality of conventional sections are of an integrated structure.

As a further improvement and optimization of the scheme, when the sealing ring is provided with two special-shaped sections, the two special-shaped sections are not arranged oppositely.

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

As a further improvement and optimization of the solution, the conventional section has a circular cross-section.

As a further improvement and optimization of the scheme, the clamping and pressing pipe is connected with the connecting pipe in an inserting mode, and the inner wall of the sealing ring is in sealing fit with the outer wall of the clamping and pressing pipe.

As a further improvement and optimization of the scheme, the side wall of the clamping pipe is provided with at least one convex ring, and the accommodating groove is positioned on the inner wall of the convex ring.

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

Compared with the prior art, the technical scheme has the positive effects that:

(1) the utility model discloses well sealing washer sets to irregular shape, and this department has certain clearance to leak when the assembly, can play the suggestion here and leak tight effect of clamp when the pressure testing, guarantees that product process is complete, improves work efficiency, reduces the engineering loss.

(2) The utility model discloses well sealing washer abnormal shape section area is the same with conventional section area, realizes that the card presses back sealing washer to fill the effect and is not influenced, and sealed effect is equivalent with conventional sealing washer effect.

Drawings

Fig. 1 is a schematic structural view of a leak-proof sealing ring for a pipe fitting to be clamped and pressed according to the present invention;

FIG. 2 is an enlarged schematic view of the anti-seizing seal ring A of the pipe clamping and pressing device of the present invention;

FIG. 3 is a schematic structural view of a clamping pipe of the anti-sticking sealing ring of the clamping pipe fitting of the present invention;

fig. 4 is a schematic structural view of a sealing ring of a leak-proof sealing ring of a pipe fitting to be clamped and pressed according to the present invention;

fig. 5 is a side view of the sealing ring of the anti-sticking sealing ring of the sticking and pressing pipe fitting of the present invention;

in the drawings: 1. a connecting pipe; 2. clamping the pipe; 3. a seal ring; 21. accommodating grooves; 31. a conventional section; 32. and (4) a special-shaped section.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.

Fig. 1 is the utility model relates to a card presses leak protection card seal ring's of pipe fitting structural schematic diagram, fig. 2 is the utility model relates to a card presses leak protection card seal ring A department of pipe fitting to enlarge the schematic diagram, fig. 3 is the utility model relates to a card presses pipe fitting's leak protection card seal ring's card to press tubular fitting and presses tubular structure schematic diagram, fig. 4 is the utility model relates to a card presses pipe fitting's leak protection card seal ring's seal ring structural schematic diagram, fig. 5 is the utility model relates to a card presses pipe fitting's leak protection card seal ring's sealing washer side view, as shown in fig. 1-5, a better embodiment's leak protection card seal ring of card pressure pipe fitting has been shown, include: connecting pipe 1, card press pipe 2 and an at least sealing washer 3, and a pot head that the card pressed pipe 2 is established on connecting pipe 1, and the inner wall that the card pressed pipe 2 is provided with an at least holding tank 21, and sealing washer 3 sets up in holding tank 21, and sealing washer 3 has two at least special-shaped sections 32, and the inner wall of two special-shaped sections 32 all has the recess.

The groove of the embodiment has a certain gap at the position for water leakage during assembly, and can play a role in prompting the leakage clamping at the position during pressure testing, thereby ensuring the completeness of the product process flow, improving the working efficiency and reducing the engineering loss.

Further, as a preferred embodiment, the seal ring 3 includes: at least two special-shaped sections 32 and at least two regular sections 31, wherein the two special-shaped sections 32 are respectively arranged at intervals and connected with the two regular sections 31.

Further, as a preferred embodiment, the sectional area of the special-shaped section 32 is equal to that of the conventional section 31; the filling effect of the sealing ring 3 is not affected after the clamping and pressing are realized, and the sealing effect is equivalent to that of the conventional sealing ring 3.

Further, as a preferred embodiment, the plurality of profiled sections 32 and the plurality of conventional sections 31 are of an integral structure.

Further, as a preferred embodiment, when the seal ring 3 has two profiled sections 32, the two profiled sections 32 are not arranged opposite to each other; preferably, when the pipeline pressure test has obvious water leakage, the clamping device can play a role in prompting the installation worker to clamp the pipeline in a leakage mode, and avoids the phenomenon that the installation leakage clamp is not found in time and serious property loss is caused by water leakage in later-stage actual life.

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

Further, as a preferred embodiment, the conventional section 31 is circular in cross-section.

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

Further, as a preferred embodiment, the side wall of the clamping tube 2 has at least one convex ring, and the receiving 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 receiving groove 21.

Sealing washer 3 sets to irregular shape in this embodiment, and this department has certain clearance and can leak when the assembly, can play the effect that the suggestion here leaks to press from both sides tightly when the pressure testing, guarantees that product process is complete, improves work efficiency, reduces the engineering loss.

The cross-sectional area of the special-shaped section 32 of the sealing ring 3 in the embodiment is the same as that of the conventional section 31, so that the filling effect of the sealing ring 3 is not affected after clamping and pressing, and the sealing effect is equivalent to that of the conventional sealing ring 3.

The above description is only an example of the preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and those skilled in the art should be able to realize the equivalent alternatives and obvious variations of the present invention.

Claims

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.