Cross-linked pipe type self-sealing ball valve connecting structure
By using a cross-linked tube self-sealing ball valve connection structure, and by incorporating designs such as abutment grooves, abutment rings, extension tubes, and sealing grooves, the problems of cumbersome installation, easy loosening, and poor sealing performance of existing ball valve connection structures are solved, achieving convenient installation and efficient sealing.
Patent Information
- Application Number
- CN202520461095.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-17
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-03-17
AI Technical Summary
Existing ball valve connection structures are cumbersome to install and prone to loosening, have poor sealing performance, and are difficult to adapt to the connection requirements of different pipe diameters, resulting in problems such as leakage and high installation costs.
The valve adopts a cross-linked tube self-sealing ball valve connection structure. Through the design of the groove, the ring, the extension tube, the double cone ring and the sealing groove, combined with the extrusion contact of the outer sealing ring and the inner sealing ring, a convenient seal is achieved. The seal is also achieved by extending the cross-linked tube material into the valve body.
While achieving convenient installation, it improves the sealing performance and adaptability of the ball valve, reduces installation difficulty and cost, and avoids leakage.
Smart Images

Figure CN223708893U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to self -sealing ball valve technical field especially relates to a crosslinking pipe type self -sealing ball valve connecting structure. BACKGROUND
[0002] In various fluid conveying systems, the ball valve as a commonly used valve for cutting off and controlling fluid flow, its connection structure with the pipeline is very important, the existing ball valve connection structure has some shortcomings.
[0003] On the one hand, although the traditional flange connection mode is widely used, the installation process is relatively cumbersome, needs more bolt and nut to be fastened, not only long installation time, and in the long-term use process, due to vibration, temperature change and other factors, bolt is easy to loosen, leads to sealing failure, appears leakage phenomenon, on the other hand, although some quick connection structure is convenient to install, but the sealing performance is often not ideal, it is difficult to meet the occasion that the sealing performance is required higher, in addition, the existing connection structure is poor in flexibility when coping with the connection of pipelines of different pipe diameters, usually needs to customize the connecting parts of different specifications, increases the cost and installation difficulty. SUMMARY
[0004] The utility model provides a crosslinking pipe type self -sealing ball valve connecting structure to solve the technical problems in the prior art.
[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:
[0006] A crosslinking pipe type self -sealing ball valve connecting structure, including the valve body, the one side of valve body is fixedly connected with the connecting flange, the connecting flange is equipped with the abutment groove away from the valve body, the one side of abutment groove is equipped with the abutment ring, the abutment ring is equipped with the sealing mechanism for the sealing of connecting flange between the abutment ring and connecting flange, the outer sealing ring is equipped between the abutment groove and abutment ring, the inner side of outer sealing ring is equipped with the inner sealing ring, the one side of outer sealing ring and inner sealing ring is equipped with the lamination mechanism for the lamination sealing.
[0007] Preferably, the sealing mechanism includes the extension pipe fixedly connected on the one side of the abutment ring, the inner wall of the connecting flange is provided with the inner groove, the extension pipe extends into the inner groove, the inner wall of the extension pipe is provided with the sealing groove, and the sealing groove is an inner tapered structure.
[0008] Preferably, the double taper ring is slidably connected in the sealing groove, the two sides of the double taper ring are provided with tapered surfaces, the two sides of the double taper ring are provided with clamping grooves, and the double taper ring is arranged between the sealing groove and the extension pipe.
[0009] Preferably, the fitting structure comprises two symmetrically arranged outer convex rings fixedly connected on both sides of the outer sealing ring, and the inner sealing ring is fixedly connected with an inner convex ring on both sides, and the inner convex ring and the outer convex ring are matched with the extension pipe and the resisting groove respectively.
[0010] Preferably, a plurality of circumferentially arranged connecting strips are fixedly connected between the outer sealing ring and the inner sealing ring, and the connecting strips are made of soft rubber material.
[0011] Preferably, an inner sealing pipe is fixedly connected to the inner wall of the inner sealing ring, and the inner sealing pipe is sleeved on the side wall of the extension pipe.
[0012] Compared with the prior art, the utility model has the advantages that:
[0013] 1. The utility model discloses a resisting groove, a resisting ring, an extension pipe, a double taper ring and a sealing groove, and the extension pipe is extended to the inside of the valve body through the resisting groove and the resisting ring, and the outer convex ring on the outer sealing ring is extruded and contacted, so that the valve is sealed through external extrusion deformation, and the double taper ring and the extension pipe and the sealing groove are contacted, so that the connecting flange is contacted and sealed from the inside, and the self-sealing effect of the ball valve is achieved.
[0014] 2. The utility model discloses an extension pipe, an outer sealing ring, a connecting strip, an inner sealing ring and an inner sealing pipe, and the extension pipe is extended to the inside of the valve body through the extension pipe material, and the sealing pipe and the inner sealing ring are contacted and extruded, so that the sealing structure installation is convenient, and the sealing property of the valve body is guaranteed. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a front view structure schematic diagram of a crosslinking pipe type self-sealing ball valve connecting structure provided by the utility model;
[0016] Figure 2 It is a resisting ring structure schematic diagram of a crosslinking pipe type self-sealing ball valve connecting structure provided by the utility model;
[0017] Figure 3 It is a double taper ring structure schematic diagram of a crosslinking pipe type self-sealing ball valve connecting structure provided by the utility model;
[0018] Figure 4 It is a connecting strip structure schematic diagram of a crosslinking pipe type self-sealing ball valve connecting structure provided by the utility model.
[0019] In the drawing: 1 valve body, 2 connecting flange, 3 resisting groove, 4 inner groove, 5 resisting ring, 6 extension pipe, 7 sealing groove, 8 double taper ring, 9 conical surface, 10 clamping groove, 11 outer sealing ring, 12 connecting strip, 13 outer convex ring, 14 inner sealing ring, 15 inner convex ring, 16 inner sealing pipe. DETAILED DESCRIPTION
[0020] In order to make the above objects, features and advantages of the present application more apparent, a detailed description of the specific embodiments of the present application will be given below with reference to the drawings. In the following description, a large number of specific details are set forth in order to provide a thorough understanding of the present application. However, the present application can be implemented in many different ways other than those described herein, and those skilled in the art can make similar improvements without departing from the spirit of the present application. Therefore, the present application is not limited by the specific implementations disclosed below.
[0021] With reference to Figures 1-4 The application relates to a cross-linked pipe type self-sealing ball valve connecting structure, which comprises a valve body 1, a connecting flange 2 fixedly connected to one side of the valve body 1, a resisting groove 3 arranged on the side, away from the valve body 1, of the connecting flange 2, and a resisting ring 5 arranged on one side of the resisting groove 3.
[0022] A sealing mechanism for sealing the connecting flange 2 is arranged between the resisting ring 5 and the connecting flange 2, and the sealing mechanism comprises an extension pipe 6 fixedly connected to one side of the resisting ring 5, an inner groove 4 formed in the inner wall of the connecting flange 2, the extension pipe 6 extending into the inner groove 4, a sealing groove 7 formed in the inner wall of the extension pipe 6, the sealing groove 7 being in an inner conical structure, a double-cone ring 8 slidably connected in the sealing groove 7, conical faces 9 arranged on the two sides of the double-cone ring 8, clamping grooves 10 formed in the two sides of the double-cone ring 8, and the double-cone ring 8 being arranged between the sealing groove 7 and the extension pipe 6.
[0023] An outer sealing ring 11 is arranged between the resisting groove 3 and the resisting ring 5, a plurality of circumferentially-arranged connecting strips 12 are fixedly connected between the outer sealing ring 11 and an inner sealing ring 14, and the connecting strips 12 are made of soft rubber.
[0024] The inner side of the outer sealing ring 11 is provided with the inner sealing ring 14, an inner sealing pipe 16 is fixedly connected to the inner wall of the inner sealing ring 14, and the inner sealing pipe 16 is sleeved on the side wall of the extension pipe 6.
[0025] The two sides of the outer sealing ring 11 and the inner sealing ring 14 are provided with abutting mechanisms for abutting sealing, the abutting mechanisms comprise two symmetrically-arranged outer convex rings 13 fixedly connected to the two sides of the outer sealing ring 11, the two sides of the inner sealing ring 14 are fixedly connected with inner convex rings 15, and the inner convex rings 15 and the outer convex rings 13 are matched with the extension pipe 6 and the resisting groove 3 respectively.
[0026] When the application is used, for example, Figures 1-4As shown, in use, first, the double-tapered ring 8 is placed in the inner groove 4, the inner sealing ring 14 and the inner sealing tube 16 are sleeved on the side wall of the extension tube 6, the outer part of the extension tube 6 is sealed by contact and sleeve tightening, then the extension tube 6 is slid to the other side of the double-tapered ring 8, at this time, the tapered surface 9 of the double-tapered ring 8 is in contact with the extension tube 6, one fluorine sealing ring is added on each side of the double-tapered ring 8, the contact sealing part between the inner groove 4 and the extension tube 6 is sealed by the contact and extrusion of the fluorine sealing ring by the tapered surface 9, the liquid or gas flowing through the extension tube 6 is buffered by the inner tapered structure of the sealing groove 7, so that the problem of leakage of the contact sealing part caused by too large pressure of the liquid or gas is avoided, at this time, the abutting ring 5 is in contact with the outer sealing ring 11, and the extrusion deformation of the outer convex ring 13 is used for sealing, and the contact and extrusion of the inner sealing ring 14 and the inner convex ring 15 by the contact part of the inner groove 4 and the extension tube 6 can ensure the sealing of the inner side, at this time, the inner sealing ring 14 and the outer sealing ring 11 are used for maintaining the use strength of the sealing ring by extruding the connecting strip 12, and the connecting strip 12 made of soft rubber material can also be sealed by extrusion deformation.
[0027] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A cross-linked tubular self-sealing ball valve connection structure comprising a valve body (1), characterized in that, One side of the valve body (1) is fixedly connected with a connecting flange (2), the connecting flange (2) is provided with a abutting groove (3) away from the valve body (1), one side of the abutting groove (3) is provided with an abutting ring (5), the abutting ring (5) and the connecting flange (2) are provided with a sealing mechanism for sealing the connecting flange (2), the abutting groove (3) and the abutting ring (5) are provided with an outer sealing ring (11), the inner side of the outer sealing ring (11) is provided with an inner sealing ring (14), one side of the outer sealing ring (11) and the inner sealing ring (14) is provided with a lamination mechanism for lamination sealing.
2. A cross-linked tubular self-sealing ball valve connection according to claim 1, wherein, The sealing mechanism comprises an extension pipe (6) fixedly connected on one side of the abutting ring (5), an inner groove (4) is formed in the inner wall of the connecting flange (2), the extension pipe (6) extends into the inner groove (4), the inner wall of the extension pipe (6) is provided with a sealing groove (7), the sealing groove (7) is an inner tapered structure.
3. A cross-linked tubular self-sealing ball valve connection according to claim 2, wherein, The double taper ring (8) is slidably connected in the sealing groove (7), the two sides of the double taper ring (8) are provided with tapered surfaces (9), the two sides of the double taper ring (8) are provided with clamping grooves (10), and the double taper ring (8) is arranged between the sealing groove (7) and the extension pipe (6).
4. The crosslinked tubular self-sealing ball valve connection of claim 3, wherein, The lamination mechanism comprises two symmetrical outer convex rings (13) fixedly connected on both sides of the outer sealing ring (11), the inner sealing ring (14) is fixedly connected with an inner convex ring (15) on both sides, and the inner convex ring (15) and the outer convex ring (13) are matched with the extension pipe (6) and the abutting groove (3) respectively.
5. A cross-linked tubular self-sealing ball valve connection according to claim 4, wherein, A plurality of circumferentially arranged connecting strips (12) are fixedly connected between the outer sealing ring (11) and the inner sealing ring (14), and the connecting strips (12) are made of soft rubber material.
6. A cross-linked tubular self-sealing ball valve connection according to claim 5, wherein, The inner wall of the inner sealing ring (14) is fixedly connected with an inner sealing pipe (16), and the inner sealing pipe (16) is sleeved on the side wall of the extension pipe (6).