CN220379104U

CN220379104U - Waterproof ring for pipeline clamping connection

Info

Publication number: CN220379104U
Application number: CN202321957782.9U
Authority: CN
Inventors: 张奇昊
Original assignee: Ningbo Purui Fluid Technology Co ltd
Current assignee: Ningbo Purui Fluid Technology Co ltd
Priority date: 2023-07-24
Filing date: 2023-07-24
Publication date: 2024-01-23
Anticipated expiration: 2033-07-24

Abstract

The utility model discloses a waterproof ring for pipe clamping connection, which comprises a body (2) connected to the insertion end of a clamping connection piece (1), wherein the body (2) is axially provided with an axial through hole (3) along the clamping connection piece (1), the axial through hole (3) is used for sleeving and inserting a pipe (4), the inner periphery of the axial through hole (3) is provided with a continuous round of elastic skirt piece (5), the inner diameter of the elastic skirt piece (5) is smaller than the outer diameter of the pipe (4), and when the pipe (4) is sleeved and inserted, the elastic skirt piece (5) is attached to the outer peripheral wall of the pipe (4); the waterproof ring is favorable for solving the rust problem and is suitable for pipeline clamping connection.

Description

Waterproof ring for pipeline clamping connection

Technical Field

The utility model relates to the technical field of pipeline connection, in particular to a waterproof ring for pipeline clamping connection.

Background

The pipeline is a device which is formed by connecting pipes, valves and the like and is used for conveying gas, liquid or fluid with solid particles, the clamping and pressing pipe fitting is one of compression joint type pipeline systems, namely, two pipelines to be connected are connected in a clamping and pressing mode through the clamping and pressing connecting piece, and when the two pipelines to be connected are connected in the clamping and pressing mode, the clamping and pressing connecting piece is deformed in the clamping and pressing mode through clamping and pressing tools, so that the two pipelines to be connected are connected and fixed together, the two pipelines can bear internal fluid pressure, the pipelines cannot be separated from each other under the condition of design pressure, and meanwhile sealing is achieved, and fluid cannot leak. The pipeline clamping connection is a purely mechanical connection structure form and has the advantages of high efficiency and reliability.

However, the applicant found that in practical application, the clamping connection portion is rusted, and further analysis shows that, due to deformation caused by clamping connection, a certain gap exists between the sealing ring of the clamping connection member and the portion between the sealing ring of the clamping connection member and the insertion port (the pipe is inserted into the clamping connection member from the insertion port), the distribution of the gaps is random, and the serious conditions of rusting are different.

The applicant provides a waterproof ring for pipeline clamping connection, which is favorable for solving the problem of corrosion and is simultaneously suitable for pipeline clamping connection.

Disclosure of Invention

The utility model aims to solve the technical problem of providing the waterproof ring for the pipeline clamping connection, which is favorable for solving the rust problem and is suitable for the pipeline clamping connection.

The utility model provides a waterproof ring for pipe clamping connection, which comprises a body connected to the insertion end of a clamping connection piece, wherein the body is axially provided with an axial through hole along the clamping connection piece, the axial through hole is used for sleeving and inserting a pipe, the inner periphery of the axial through hole is provided with a continuous round of elastic skirt piece, the inner diameter of the elastic skirt piece is smaller than the outer diameter of a pipe, and the elastic skirt piece is attached to the outer peripheral wall of the pipe when the pipe is sleeved and inserted.

According to the technical scheme, when the waterproof ring is used for clamping and pressing connection of a pipeline, the waterproof ring is firstly connected to the insertion end of the clamping and pressing connection piece, namely, the body is connected to the insertion end of the clamping and pressing connection piece, then the pipe is inserted in a sleeved mode, the waterproof ring and the clamping and pressing connection piece are sequentially inserted into the waterproof ring and the clamping and pressing connection piece, then clamping and pressing are carried out by a clamping and pressing tool, when the clamping and pressing is carried out, the clamping and pressing connection piece is subjected to clamping and pressing deformation by the clamping and pressing tool to form a clamping and pressing connection structure, and because the inner diameter of the elastic skirt piece is smaller than the outer diameter of the pipe, when the pipe is inserted in the sleeved mode, the elastic skirt piece is attached to the outer peripheral wall of the pipe in a horn shape or a sleeve shape, then the elastic skirt piece is elastically soft when the clamping and pressing connection piece is subjected to clamping and pressing deformation by the clamping and pressing tool, therefore the elastic skirt piece can still be attached to the outer peripheral wall of the pipe well, and gaps between the inner wall and the outer wall of the clamping and pressing connection piece, which are generated after the clamping and pressing connection piece is deformed, the elastic skirt piece can be automatically filled in the gap.

According to the waterproof ring, before clamping, the waterproof ring is connected to the insertion end of the clamping connecting piece, the pipe can be sleeved and inserted, the elastic skirt piece is attached to the outer peripheral wall of the pipe in a horn shape or a sleeve shape by the outer peripheral wall of the pipe, then the waterproof ring can automatically fill a gap according to deformation conditions during clamping and after clamping, so that certain sealing can be realized, continuous entering of external water vapor, condensed water and the like is ensured, an internal gear ring is protected, hidden danger caused by failure of the rust of the gear ring is avoided, and the waterproof ring is favorable for solving the problem of rust.

In a word, this waterproof circle is special waterproof circle, is special for pipeline card pressure connection design.

As an improvement, the side of the body facing the insertion end is provided with an annular groove for sleeving with the insertion end to realize the connection of the waterproof ring at the insertion end.

As an improvement, an elastic skirt piece is arranged on the outer side of the axial through hole.

As an improvement, the outer side surface of the elastic skirt piece is leveled with the outer side end surface of the body.

As an improvement, the outer end face of the body is provided with a circumferential collar disposed around the outer periphery of the outer side face of the elastic skirt piece.

As an improvement, the inner periphery of the axial through hole is also provided with a radial positioning ring, when the pipe is sleeved and inserted, the radial positioning ring is used for being mutually pasted and sleeved and matched with the outer peripheral wall of the pipe, the elastic skirt piece and the radial positioning ring are sequentially arranged along the insertion direction of the pipe, and the inner diameter of the radial positioning ring is smaller than the inner diameter of the gear ring in the clamping and pressing connecting piece.

As an improvement, the inner peripheral wall of the axial through hole is used as the radial positioning ring.

As an improvement, the body and the elastic skirt piece are integrally formed into a whole by adopting a rubber molding process.

Drawings

Fig. 1 is a schematic perspective view of a waterproof ring for pipe clamping connection.

Fig. 2 is a schematic diagram of a waterproof ring for pipe clamping connection in a semi-sectional view.

Fig. 3 is an enlarged view of a.

Fig. 4 is a schematic diagram in half section before the snap connection.

Fig. 5 is a schematic half-sectional view after the snap-fit connection.

Fig. 6 is a cross-sectional view in the A-A direction.

Fig. 7 is an enlarged B view.

The figure shows: 1. clamping and pressing the connecting piece; 2. a body; 3. an axial through hole; 4. a tube; 5. an elastic skirt piece; 6. an annular groove; 7. a circumferential collar; 8. a radial positioning ring; 9. a gear ring; 10. a seal ring; 11. a spigot; 12. a gap.

Detailed Description

For a better understanding of the present application, various aspects of the present application will be described in more detail with reference to the accompanying drawings. It should be understood that these detailed description are merely illustrative of exemplary embodiments of the application and are not intended to limit the scope of the application in any way. Like reference numerals refer to like elements throughout the specification.

In the drawings, the thickness, size and shape of the object have been slightly exaggerated for convenience of explanation. The figures are merely examples and are not drawn to scale.

It will be further understood that the terms "comprises," "comprising," "includes," "including," "having," "including" and/or "having," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

As shown in fig. 1 to 3, the present embodiment discloses a waterproof ring for pipe press connection, which is used for pipe press connection, pipe press connection connects pipes 4 in a press connection form by press connection 1, both the press connection 1 and the pipes 4 are copper pipes, for example, both ends of the press connection 1 are insertion ends, wherein the structure is symmetrically arranged left and right, a spigot 11 is arranged in the press connection 1, and when the pipe 4 is inserted from the insertion end, the pipe can be axially positioned by means of the spigot 11.

As shown in fig. 4 and 5, the inside of the clamping and pressing connector 1 is provided with a gear ring 9 and a sealing ring 10 in sequence along the insertion direction of the pipe 4, and when the pipe 4 is inserted, the pipe 4 is in sleeve joint fit with the gear ring 9 and the sealing ring 10 in sequence until the pipe is inserted into the spigot 11 for axial positioning.

The radial arrows shown in fig. 5 indicate the location and direction of the clamping pressure exerted by the clamping tool on the outer wall of the clamping connection 1.

As shown in fig. 1 to 3, the waterproof ring of the present disclosure includes a body 2 for connecting at an insertion end of a press-clamping connector 1, the body 2 is axially provided with an axial through hole 3 along the press-clamping connector 1, the axial through hole 3 is provided with a tube 4 for socket insertion, the inner circumference of the axial through hole 3 is provided with a continuous round of elastic skirt piece 5, the inner diameter of the elastic skirt piece 5 is smaller than the outer diameter of the tube 4, and when the tube 4 is socket inserted, the elastic skirt piece 5 is attached to the outer circumferential wall of the tube 4. When the clamping and pressing connector 1 deforms to generate a gap 12 between the inner wall of the clamping and pressing connector 1 and the outer wall of the pipe 4, the elastic skirt piece can be automatically filled in the gap, and therefore certain sealing can be achieved.

In some embodiments, as shown in fig. 2 and 3, the side of the body 2 facing the insertion end is provided with an annular groove 6, which annular groove 6 is adapted to socket with the insertion end to enable the connection of a waterproof ring at the insertion end. This facilitates the connection of the body 2 at the insertion end, i.e. the connection of the waterproof ring at the insertion end.

In order to further facilitate connection, the cross section of the annular groove 6 is in a splayed shape with a large opening and a narrow bottom, so that the annular groove 6 is conveniently sleeved at the insertion end, and the narrow part can be clung to the insertion end along with the sleeve penetration so as to fix the waterproof ring to be axially immovable.

In some embodiments, as shown in fig. 2 and 3, the outside of the axial through hole 3 is provided with an elastic skirt 5. In this way, the elastic skirt 5 can be fitted to the outer wall when the tube 4 is inserted.

In some embodiments, as shown in fig. 2 and 3, the outer side surface of the elastic skirt 5 is flush with the outer end surface of the body 2. After such design, the inner peripheral wall of the axial through hole 3 can be leveled, and harder bulges can not be inwards arranged due to the arrangement of the elastic skirt piece 5, and in addition, the elastic skirt piece 5 is conveniently produced and obtained by the improvement, so that the manufacturing difficulty is reduced.

In some embodiments, as shown in fig. 2 and 3, the outer end face of the body 2 is provided with a circumferential collar 7, the circumferential collar 7 being disposed around the outer periphery of the outer side face of the resilient skirt panel 5. The circumferential collar 7 may or may not be present, and for example, the waterproof ring in fig. 4 and 5 is not provided with the circumferential collar 7.

In some embodiments, as shown in fig. 2, 3, 4 and 5, the inner circumference of the axial through hole 3 is further provided with a radial positioning ring 8, when the pipe 4 is inserted in a sleeved mode, the radial positioning ring 8 is used for being matched with the outer circumferential wall of the pipe 4 in a sleeved mode, the elastic skirt piece 5 and the radial positioning ring 8 are sequentially arranged along the insertion direction of the pipe 4, and the inner diameter of the radial positioning ring 8 is smaller than the inner diameter of the gear ring 9 in the clamping and pressing connecting piece 1. After the design, when the pipe 4 is inserted, the pipe 4 is positioned in a certain radial direction, the outer wall of the pipe 4 is not easy to collide with teeth on the gear ring 9, and the condition that the outer wall of the pipe 4 is injured during the insertion is reduced.

In some embodiments, as shown in fig. 2, 3, 4, 5, the inner circumferential wall of the axial through hole 3 serves as said radial positioning ring 8. In this way, the production and manufacture are simplified.

In some embodiments, as shown in fig. 1 and 2, the body 2 and the elastic skirt 5 are integrally formed into a whole by using a rubber molding process. Therefore, the production and the manufacture are convenient, and the rubber molding process is the prior art and is not repeated.

In understanding the present utility model, the above-described structure may be understood together with other embodiments/drawings, if necessary, and will not be described herein.

The foregoing description is only illustrative of the present utility model and is therefore intended to cover all such modifications and changes in form, details, and materials as fall within the true spirit and scope of the utility model.

Claims

1. A waterproof ring for connection is pressed to pipeline card, a serial communication port, including body (2) that are used for connecting the end of inserting at card pressure connecting piece (1), body (2) are equipped with axial through-hole (3) along card pressure connecting piece (1) axial, and this axial through-hole (3) supply pipe (4) to cup joint and insert, and axial through-hole (3) inner periphery is equipped with elasticity skirt piece (5) of continuous round, and the internal diameter of elasticity skirt piece (5) is less than the external diameter of pipe (4), and when pipe (4) cup joint and insert, elasticity skirt piece (5) laminating is at pipe (4) peripheral wall.

2. A water-repellent ring for pipe clamping connection according to claim 1, characterized in that the side of the body (2) facing the insertion end is provided with an annular groove (6), which annular groove (6) is intended to be in socket connection with the insertion end for the purpose of connecting the water-repellent ring to the insertion end.

3. A water-repellent ring for pipe clamping connection according to claim 1 or 2, characterized in that the outside of the axial through-hole (3) is provided with an elastic skirt (5).

4. A water-repellent ring for pipe clamping connection according to claim 3, characterized in that the outer side of the elastic skirt (5) is flush with the outer side of the body (2).

5. A water-repellent ring for pipe clamping connection according to claim 4, characterized in that the outer end face of the body (2) is provided with a circumferential collar (7), which circumferential collar (7) is arranged around the outer circumference of the outer side face of the elastic skirt (5).

6. The waterproof ring for pipe clamping connection according to claim 1 or 2, characterized in that the inner periphery of the axial through hole (3) is further provided with a radial positioning ring (8), when the pipe (4) is sleeved and inserted, the radial positioning ring (8) is used for being matched with the outer peripheral wall of the pipe (4) in a sleeved mode, the elastic skirt piece (5) and the radial positioning ring (8) are sequentially arranged along the insertion direction of the pipe (4), and the inner diameter of the radial positioning ring (8) is smaller than the inner diameter of the gear ring (9) in the clamping connection piece (1).

7. A water-repellent ring for pipe clamping connection according to claim 6, characterized in that the inner circumferential wall of the axial through-hole (3) serves as the radial positioning ring (8).

8. The waterproof ring for pipe clamping connection according to claim 1, wherein the body (2) and the elastic skirt (5) are integrally formed into a whole by a rubber molding process.