CN210118555U

CN210118555U - Nested formula card pressure formula pipe fitting

Info

Publication number: CN210118555U
Application number: CN201920598694.1U
Authority: CN
Inventors: 何宇光; 王斌; 叶永波
Original assignee: Zhejiang Haohai Pipe Co Ltd
Current assignee: Zhejiang Haohai Pipe Co Ltd
Priority date: 2019-04-28
Filing date: 2019-04-28
Publication date: 2020-02-28
Anticipated expiration: 2029-04-28

Abstract

The utility model discloses a nested formula card pressure formula pipe fitting, connect pipe fitting, sealing washer A, sealing washer B, sealing washer C and sealing washer D including pipe fitting A, pipe fitting B, reducing, pipe fitting A pipe fitting B gets through the connected mode cover of card pressure formula in the reducing connects the pipe fitting, sealing washer A sealing washer B sealing washer C with sealing washer D is the O type sealing washer of plastic material, sealing washer A sealing washer B sealing washer C with sealing washer D places respectively pipe fitting A pipe fitting B with in the reducing connects the pipe fitting. This application device is for connecting the connecting piece of different internal diameter pipelines, and this application connects the reducing pipe with the different joint mode of card pressure formula connecting pipe of two internal diameters through card pressure formula, realizes the connection of the different pipelines of internal diameter.

Description

Nested formula card pressure formula pipe fitting

Technical Field

The utility model relates to a pipe fitting technical field, concretely relates to nested formula card pressure formula pipe fitting.

Background

The clamping and pressing type pipe fitting is a connecting piece, has reliable and safe connection, convenient and quick construction, is suitable for embedded installation, is free from maintenance and updating, and has relatively superior economical efficiency. The clamping and pressing type pipe fitting is characterized in that a thin-wall stainless steel pipe is inserted into a socket of the clamping and pressing type pipe fitting, the stainless steel pipe is clamped and fixed in the pipe fitting by a special clamping and pressing tool, the section of a clamping and pressing position of the clamping and pressing type pipe fitting is hexagonal, and in addition, an O-shaped ring is arranged between the stainless steel pipe and the pipe fitting for sealing, so that the clamping and pressing type pipe fitting has the characteristics of leakage prevention, pulling resistance, vibration resistance, high pressure resistance. In daily life, a plurality of connecting pipe fittings are arranged between pipelines, particularly, the connecting pipes with different diameters are welded together through reducing pipes, the connecting is time-consuming and labor-consuming, and leakage is easy to occur.

When some pipe fittings are connected, the outer diameter of the pipe fitting on one side of the connection is different from that of the pipe fitting on the other side of the connection, and at the moment, the pipe fittings need to be connected by using the reducing pipes, but the phenomenon of leakage is easy to occur when the reducing pipes are connected.

Disclosure of Invention

In view of the above-mentioned shortcomings or drawbacks of the prior art, it is desirable to provide a nested snap-on fitting.

According to the technical scheme provided by the embodiment of the application, the nested clamping-pressing type pipe fitting comprises a pipe fitting A, a pipe fitting B, a reducing connecting pipe fitting, a sealing ring A, a sealing ring B, a sealing ring C and a sealing ring D, wherein the pipe fitting A is sleeved at the left end part of the reducing connecting pipe fitting through a clamping-pressing type connecting mode, the pipe fitting B is sleeved at the right end part of the reducing connecting pipe fitting through a clamping-pressing type connecting mode, the sealing ring A, the sealing ring B, the sealing ring C and the sealing ring D are O-shaped sealing rings made of plastic materials, the left end part of the inner side of the pipe fitting A is provided with an inner groove, the right end part of the inner side of the pipe fitting B is provided with an inner groove, the left end part and the right end part of the inner side of the reducing connecting pipe fitting are both provided with inner grooves, the sealing ring A is positioned in the inner groove in the pipe fitting A, the sealing ring B is positioned, the sealing washer C with sealing washer D is located respectively reducing and connects pipe fitting left end position and right-hand member position the inner groovy is interior, the inner groovy is convex recess, the longitudinal section diameter of reducing and connecting the pipe fitting left end face is greater than the longitudinal section diameter of reducing and connecting the pipe fitting right-hand member face, sealing washer C's diameter is greater than sealing washer A's diameter, sealing washer D's diameter is greater than sealing washer B's diameter.

In this application, pipe fitting A with the card that the pipe fitting is connected to the reducing is pressed the face and is located sealing washer C's left side, pipe fitting B with the card that the pipe fitting is connected to the reducing is pressed the face and is located sealing washer D's right side.

In this application, sealing washer A is outstanding for the inner wall of pipe fitting A, sealing washer B is outstanding for the inner wall of pipe fitting B, sealing washer C with sealing washer D is outstanding for the inner wall of reducing connecting pipe fitting.

In this application, the external diameter of pipe fitting A longitudinal section with the longitudinal section internal diameter of reducing connecting pipe fitting left end face is the same.

In this application, the internal diameter of pipe fitting B longitudinal section with the longitudinal section internal diameter of reducing connecting pipe fitting right-hand member face is the same.

In this application, pipe fitting A with the junction of reducing connection pipe fitting uses the welding strip welding, pipe fitting B with the junction of reducing connection pipe fitting uses the welding strip welding, pipe fitting A pipe fitting B with reducing connection pipe fitting formula structure as an organic whole.

To sum up, the beneficial effect of this application: this application device is for connecting the connecting piece of different internal diameter pipelines, and this application connects the reducing pipe with the different joint mode of card pressure formula connecting pipe of two internal diameters through card pressure formula, realizes the connection of the different pipelines of internal diameter.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

FIG. 1 is a schematic front view of the overall apparatus of the present application;

FIG. 2 is a schematic cross-sectional front view of the overall apparatus of the present application;

FIG. 3 is a schematic side view of a tube A of the apparatus of the present application;

fig. 4 is a schematic front sectional view of a pipe a of the apparatus of the present application.

Reference numbers in the figures: 1. a pipe fitting A; 2. a pipe fitting B; 3. reducing connecting pipe fittings; 4. a sealing ring A; 5. a seal ring B; 6. a seal ring C; 7. a seal ring D; 8. an inner groove; 9. a plastic strip.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in fig. 1, the nested clamping-pressing type pipe fitting comprises a pipe fitting a1, a pipe fitting B2, a reducing connection pipe fitting 3, a sealing ring a4, a sealing ring B5, a sealing ring C6 and a sealing ring D7, wherein the pipe fitting a1 is sleeved at the left end of the reducing connection pipe fitting 3 in a clamping-pressing type connection mode, and the pipe fitting B2 is sleeved at the right end of the reducing connection pipe fitting 3 in a clamping-pressing type connection mode.

As shown in fig. 2, the sealing ring a4, the sealing ring B5, the sealing ring C6, and the sealing ring D7 are all plastic O-shaped sealing rings, an inner groove is disposed at the left end of the inner side of the tube a1, an inner groove is disposed at the right end of the inner side of the tube B2, inner grooves are disposed at the left end and the right end of the inner side of the reducing connecting tube 3, the sealing ring a4 is disposed in the inner groove of the tube a1, the sealing ring B5 is disposed in the inner groove of the tube B2, the sealing ring C6 and the sealing ring D7 are respectively disposed in the inner grooves at the left end and the right end of the reducing connecting tube 3, the inner grooves are arc grooves, the longitudinal section diameter of the left end surface of the reducing connecting tube 3 is greater than the longitudinal section diameter of the right end surface of the reducing connecting tube 3, the diameter of the sealing ring C6 is greater than the diameter of the sealing ring a4, the diameter of the sealing ring D7 is larger than that of the sealing ring B5. The clamping and pressing surface of the pipe fitting A1 connected with the reducing connecting pipe fitting 3 is positioned on the left side of the sealing ring C6, and the clamping and pressing surface of the pipe fitting B2 connected with the reducing connecting pipe fitting 3 is positioned on the right side of the sealing ring D7. The seal ring a4 is protruded with respect to the inner wall of the tube member a1, the seal ring B5 is protruded with respect to the inner wall of the tube member B2, and the seal rings C6 and D7 are protruded with respect to the inner wall of the reducing connection tube member 3. The outer diameter of the longitudinal section of the pipe fitting A1 is the same as the inner diameter of the longitudinal section of the left end face of the reducing connecting pipe fitting 3. The inner diameter of the longitudinal section of the pipe fitting B2 is the same as the inner diameter of the longitudinal section of the right end face of the reducing connecting pipe fitting 3. The pipe fitting A1 and the junction of reducing connection pipe fitting 3 use the welding strip welding, pipe fitting B2 with the junction of reducing connection pipe fitting 3 uses the welding strip welding, pipe fitting A1, pipe fitting B2 and reducing connection pipe fitting 3 formula structure as an organic whole.

Example 1: the pipe fitting A1 is sleeved at the left end part of the reducing connecting pipe fitting 3, after the pipe fitting A1 is sleeved in the reducing connecting pipe fitting 3, the superposition part of the pipe fitting A1 and the reducing connecting pipe fitting 3 is clamped and pressed by a professional clamping and pressing tool, and then the joint part of the pipe fitting A1 and the left end part of the reducing connecting pipe fitting 3 is welded together by a welding strip.

The pipe fitting B2 is sleeved at the right end part of the reducing connecting pipe fitting 3, the pipe fitting B2 is sleeved in the reducing connecting pipe fitting 3, after the pipe fitting B2 is clamped and pressed at the superposition part of the pipe fitting B2 and the reducing connecting pipe fitting 3 through a professional clamping and pressing tool, and then the pipe fitting B2 is welded with the connection part of the right end part of the reducing connecting pipe fitting 3 through a welding strip.

The seal ring A4, the seal ring B5, the seal ring C6 and the seal ring D7 are placed in the corresponding inner grooves.

Example 2: when the connecting pipe is used, one connecting pipe is inserted into the pipe fitting A1, the other connecting pipe is inserted into the pipe fitting B2, and then clamping and pressing are respectively carried out on the left side and the right side of the sealing ring A4 and the sealing ring B5 through a professional clamping and pressing tool, so that clamping and pressing connection is realized. The outer diameter of one connecting pipe was the same as the inner diameter of the pipe member A1, and the outer diameter of the other connecting pipe was the same as the inner diameter of the pipe member B2.

Example 3: this application still can be in the inboard left end position of pipe fitting A1 is equipped with inner groovy 8, cylindrical plastic strip 9 has been placed in the inner groovy 8, plastic strip 9 is fixed through the mode of pasting in the inner groovy 8, the existence of plastic strip 9 can prevent sealing washer A's dislocation. The protruding height of the plastic strip 9 is lower than that of the sealing ring A4. Similarly, the inner groove 8 and the plastic strip 9 are also arranged on the inner side of the tube B2, and the protruding height of the plastic strip 9 is lower than that of the sealing ring B5, as shown in fig. 3 and 4.

The foregoing description is only exemplary of the preferred embodiments of the application and is provided for the purpose of illustrating the general principles of the technology and the like. Meanwhile, the scope of the invention according to the present application is not limited to the technical solutions in which the above-described technical features are combined in a specific manner, and also covers other technical solutions in which the above-described technical features or their equivalent are combined arbitrarily without departing from the inventive concept described above. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims

1. The utility model provides a nested formula card pressure formula pipe fitting which characterized by: comprises a pipe fitting A (1), a pipe fitting B (2), a reducing connecting pipe fitting (3), a sealing ring A (4), a sealing ring B (5), a sealing ring C (6) and a sealing ring D (7), wherein the pipe fitting A (1) is sleeved at the left end part of the reducing connecting pipe fitting (3) in a clamping and pressing type connecting mode, the pipe fitting B (2) is sleeved at the right end part of the reducing connecting pipe fitting (3) in a clamping and pressing type connecting mode, the sealing ring A (4), the sealing ring B (5), the sealing ring C (6) and the sealing ring D (7) are O-shaped sealing rings made of plastic materials, the left end part of the inner side of the pipe fitting A (1) is provided with an inner groove, the right end part of the inner side of the pipe fitting B (2) is provided with an inner groove, and the left end part and the right end part of the inner side of the reducing connecting pipe fitting (3) are both, sealing washer A (4) are located in pipe fitting A (1) the inner grove in, sealing washer B (5) are located in pipe fitting B (2) the inner grove in, sealing washer C (6) with sealing washer D (7) are located respectively reducing is connected pipe fitting (3) left end position and right-hand member position the inner grove is interior, the inner grove is convex recess, the longitudinal section diameter of reducing is connected pipe fitting (3) left end face is greater than the longitudinal section diameter of reducing is connected pipe fitting (3) right-hand member face, the diameter of sealing washer C (6) is greater than the diameter of sealing washer A (4), the diameter of sealing washer D (7) is greater than the diameter of sealing washer B (5).

2. The nested snap-in pipe of claim 1, wherein: pipe fitting A (1) with the card that reducing connection pipe fitting (3) are connected presses the face to be located the left side of sealing washer C (6), pipe fitting B (2) with the card that reducing connection pipe fitting (3) are connected presses the face to be located the right side of sealing washer D (7).

3. The nested snap-in pipe of claim 1, wherein: the sealing ring A (4) is protruded relative to the inner wall of the pipe fitting A (1), the sealing ring B (5) is protruded relative to the inner wall of the pipe fitting B (2), and the sealing ring C (6) and the sealing ring D (7) are protruded relative to the inner wall of the reducing connecting pipe fitting (3).

4. The nested snap-in pipe of claim 1, wherein: the outer diameter of the longitudinal section of the pipe fitting A (1) is the same as the inner diameter of the longitudinal section of the left end face of the reducing connecting pipe fitting (3).

5. The nested snap-in pipe of claim 1, wherein: the inner diameter of the longitudinal section of the pipe fitting B (2) is the same as the inner diameter of the longitudinal section of the right end face of the reducing connecting pipe fitting (3).

6. The nested snap-in pipe of claim 1, wherein: the pipe fitting A (1) with the junction of reducing connecting pipe fitting (3) uses the welding strip welding, pipe fitting B (2) with the junction of reducing connecting pipe fitting (3) uses the welding strip welding, pipe fitting A (1) pipe fitting B (2) with reducing connecting pipe fitting (3) formula structure as an organic whole.