A joint fastening assembly for flange type five-valve group
By designing a sealing method that combines the sealing airbag mechanism and the airbag ring, combined with the combination of the gasket ring and the fastening thread groove, the problems of airbag loss and leakage of flange-type five-valve group joints are solved, achieving the effect of sealing and waterproofing and moisture-proofing.
Patent Information
- Application Number
- CN202421922754.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-08
- Publication Date
- 2025-04-04
- Estimated Expiration
- 2034-08-08
AI Technical Summary
The existing flange five-valve joints are prone to folding and breaking of the airbag during long-term use, and are easily corroded by rainwater or moisture during outdoor use, resulting in leakage.
A flange-type five-valve group joint fastening assembly is designed, and sealed by combining the sealing airbag mechanism and the airbag ring. The combination of the gasket ring and the fastening thread groove is used to avoid direct fixation of the airbag ring to prevent breakage, and sealing with the end snap mechanism and the sealing ring.
It effectively avoids direct fixation of the airbag ring, prevents folding and loss of the airbag, and through the combination of sealing the airbag mechanism and sealing ring, the flange five-valve joint is sealed to prevent rainwater and moisture from entering and avoid leakage.
Smart Images

Figure CN222717568U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of flange type five-valve groups, in particular to a joint fastening component for a flange type five-valve group. Background Art
[0002] The flange type five-valve group is composed of high-pressure and low-pressure valves, a balancing valve and two check (drain) valve groups; the five-valve group is suitable for various imported instrument devices and installed with various differential pressure, flow, liquid level and other transmitters. When working, the two sets of check valves and the balancing valve are closed. If inspection is required, just cut off the high-pressure and low-pressure valves, open the balancing valve and the two check valves, and then close the balancing valve and the transmitter can be checked and balanced.
[0003] The existing flange-type five-valve group joint uses an airbag and a flange for sealing. When the airbag is squeezed on the inside of the flange for a long time, the airbag will be folded and damaged. When the flange-type five-valve group joint is used outdoors, rain or moisture can easily corrode the airbag and the flange, causing the flange-type five-valve group joint to leak. Utility Model Content
[0004] The utility model aims to provide a joint fastening assembly for a flange type five-valve group to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions, the joint fastening assembly for the flange-type five-valve group: comprises a joint end and a connecting end, a snap groove is opened in the middle of the joint end, a flange fixing tube is fixed in the middle of the snap groove, and a convex ring is fixed at the front end of the flange fixing tube, the connecting end is welded to the middle of the convex ring, fastening bolts are passed through the four sides of the snap groove, a sealing airbag mechanism is movably installed on the outside of the connecting end, and an airbag ring is provided at the front end of the sealing airbag mechanism, an end snap mechanism is movably installed on the outside of the sealing airbag mechanism, and a sealing ring is fixed at the front end of the end snap mechanism.
[0006] Preferably, the sealing airbag mechanism and the airbag ring are fastened and mounted on the flange fixing tube via connecting ends.
[0007] Preferably, the end snap mechanism and the sealing ring are threadedly connected to the outside of the flange fixing tube.
[0008] Preferably, the sealing airbag mechanism includes a gasket and a fastening thread groove, and the gasket is movably installed inside the fastening thread groove.
[0009] Preferably, the fastening thread groove is movably mounted on the convex ring, and the convex ring is movably mounted on the fastening thread groove and the convex ring via a gasket.
[0010] Preferably, the end snap mechanism comprises a sleeve and a snap ring, and the sleeve is movably installed inside the snap ring.
[0011] Preferably, the ring sleeve and the snap ring are threadedly fastened to the snap groove and the joint end.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] 1. The utility model seals the airbag mechanism components, the airbag ring, the ring sleeve and the snap ring at the connection between the snap groove and the joint end through the provided ring sleeve and the snap ring. When the fastening bolt is threaded through the end snap mechanism, the sealing ring and the joint end, the airbag ring can be fastened and sealed inside the end snap mechanism, the sealing ring and the joint end, and the airbag ring can be sealed as a whole. When the flange-type five-valve group joint is used outdoors, rain or moisture is prevented from entering the airbag ring and the joint end, thereby preventing leakage of the flange-type five-valve group joint.
[0014] 2. The utility model provides a gasket and a fastening thread groove to movably install the gasket on the fastening thread groove and the convex ring, effectively seal the gasket and the fastening thread groove on the convex ring, and can seal the joints of the connecting end, the convex ring and the flange fixing pipe. When the flange type five-valve group joint adopts an airbag and a flange for sealing, the airbag ring is sealed on the convex ring through the gasket and the fastening thread groove, avoiding direct fixation of the airbag ring and preventing the airbag from folding and breaking. The gasket, the fastening thread groove and the convex ring are fastened and installed internally, which is convenient for outdoor use of the flange type five-valve group joint. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;
[0016] Figure 2 This is a schematic diagram of the structure of the sealing airbag mechanism of the utility model;
[0017] Figure 3 It is a structural schematic diagram of the end buckle mechanism of the utility model.
[0018] In the figure: 1, joint end; 2, fastening bolt; 3, flange fixing pipe; 4, connecting end; 5, end snap mechanism; 6, sealing ring; 7, sealing airbag mechanism; 8, airbag ring; 9, convex ring; 10, snap groove;
[0019] 11. Gasket; 12. Fastening thread groove; 13. Ring sleeve; 14. Snap ring. DETAILED DESCRIPTION
[0020] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of the utility model. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0021] Embodiment 1
[0022] See also Figure 1-Figure 3 The utility model provides a technical solution, including a joint end 1 and a connection end 4, a snap groove 10 is opened in the middle of the joint end 1, a flange fixing tube 3 is fixed in the middle of the snap groove 10, and a convex ring 9 is fixed at the front end of the flange fixing tube 3, the connection end 4 is welded to the middle of the convex ring 9, a fastening bolt 2 is penetrated around the snap groove 10, a sealing airbag mechanism 7 is movably installed on the outside of the connection end 4, and an airbag ring 8 is arranged at the front end of the sealing airbag mechanism 7, an end snap mechanism 5 is movably installed on the outside of the sealing airbag mechanism 7, a sealing ring 6 is fixed at the front end of the end snap mechanism 5, the flange fixing tube 3 and the snap groove 10 are fixedly connected to the joint end 1, so that the sealing airbag mechanism 7 and the airbag ring 8 are movably installed on the connection end 4 and the convex ring 9, the airbag ring 8 is movably installed on the connection end 4 and the convex ring 9 through the sealing airbag mechanism 7 assembly, and the snap fastening is performed, and the end snap mechanism 5 and the sealing ring 6 are movably installed on the law On the flange fixing tube 3 and the buckle groove 10, the end buckle mechanism 5 and the sealing ring 6 can be sealed and fastened on the sealing airbag mechanism 7 and the airbag ring 8, and the sealing airbag mechanism 7 and the airbag ring 8 can be sealed and covered, which is beneficial to the fastening installation of the flange type five-valve group joint, and at the same time has the effect of isolating rainwater and moisture. The sealing airbag mechanism 7 and the airbag ring 8 are fastened and installed on the flange fixing tube 3 through the connecting end 4, and the connecting end 4 is connected and fixedly connected to the convex ring 9, so that the connecting end 4 and the convex ring 9 are fixedly connected at the junction of the joint end 1, and the airbag ring 8 is movably installed on the connecting end 4 and the convex ring 9 through the sealing airbag mechanism 7 assembly for covering and fastening. The end buckle mechanism 5 and the sealing ring 6 are threadedly connected to the outside of the flange fixing tube 3, and the sealing ring 6 is movably installed on the flange fixing tube 3 through the end buckle mechanism 5 assembly, so that the sealing ring 6 covers the sealing airbag mechanism 7 and the airbag ring 8 through the end buckle mechanism 5 assembly for sealing and fastening.
[0023] Embodiment 2
[0024] like Figure 2 and Figure 3As shown, the sealing airbag mechanism 7 includes a gasket 11 and a fastening thread groove 12, the gasket 11 is movably installed inside the fastening thread groove 12, the fastening thread groove 12 is movably installed on the convex ring 9, and the convex ring 9 is movably installed on the fastening thread groove 12 and the convex ring 9 through the gasket 11. When the sealing airbag mechanism 7 and the airbag ring 8 are movably installed on the connecting end 4 and the convex ring 9, the airbag ring 8 is movably installed on the connecting end 4 and the convex ring 9 through the sealing airbag mechanism 7 assembly, and when the fastening buckle is performed, the sealing ring 6 is movably installed through the fastening thread groove 12 Installed on the convex ring 9, the gasket 11 is movably installed on the fastening thread groove 12 and the convex ring 9, and the gasket 11 and the fastening thread groove 12 are effectively sealed on the convex ring 9, so that the connection end 4, the convex ring 9 and the flange fixing pipe 3 can be sealed. When the flange type five-valve group joint adopts the airbag and the flange for sealing, the airbag ring 8 is sealed on the convex ring 9 through the gasket 11 and the fastening thread groove 12, avoiding direct fixing of the airbag ring 8 and preventing the airbag from folding and breaking. It is fastened and installed inside the gasket 11, the fastening thread groove 12 and the convex ring 9. It is convenient for the outdoor use of the flange type five-valve group joint. The end buckle mechanism 5 includes a ring sleeve 13 and a buckle ring 14. The inner part of the buckle ring 14 is movably installed with the ring sleeve 13. The ring sleeve 13 and the buckle ring 14 are threadedly fastened on the buckle groove 10 and the joint end 1. When the end buckle mechanism 5 and the sealing ring 6 are movably installed on the flange fixing tube 3 and the buckle groove 10, the end buckle mechanism 5 and the sealing ring 6 are sealed and fastened on the sealing airbag mechanism 7 and the airbag ring 8. The ring sleeve 13 and the buckle ring 14 are threadedly fastened on the buckle groove 10 and the joint end 1. On the head end 1, the sealed airbag mechanism 7 components, the airbag ring 8, the ring sleeve 13 and the snap ring 14 are fastened at the connection between the snap groove 10 and the joint end 1, and the fastening bolt 2 is threaded through the end snap mechanism 5, the sealing ring 6 and the joint end 1. The airbag ring 8 can be fastened and sealed inside the end snap mechanism 5, the sealing ring 6 and the joint end 1, and the airbag ring 8 can be sealed as a whole. When the flange-type five-valve group joint is used outdoors, rain or moisture can be prevented from entering the airbag ring 8 and the joint end 1 to prevent leakage of the flange-type five-valve group joint.
[0025] In actual use, the airbag ring 8 is movably installed on the connecting end 4 and the convex ring 9 through the sealing airbag mechanism 7 assembly, and is fastened and buckled. When the end buckle mechanism 5 and the sealing ring 6 are movably installed on the flange fixing tube 3 and the buckle groove 10, the end buckle mechanism 5 and the sealing ring 6 can be sealed and fastened on the sealing airbag mechanism 7 and the airbag ring 8, and the sealing airbag mechanism 7 and the airbag ring 8 can be sealed and covered, which is conducive to the fastening installation of the flange type five-valve group joint. The ring sleeve 13 and the buckle ring 14 are threadedly fastened on the buckle groove 10 and the joint end 1, so the sealing airbag mechanism 7 assembly, the airbag ring 8, the ring sleeve 13 and the buckle ring 14 is fastened at the connection between the snap groove 10 and the joint end 1. When the fastening bolt 2 is threaded through the end snap mechanism 5, the sealing ring 6 and the joint end 1, the airbag ring 8 can be fastened and sealed inside the end snap mechanism 5, the sealing ring 6 and the joint end 1. The gasket 11 is movably installed on the fastening thread groove 12 and the convex ring 9, and the gasket 11 and the fastening thread groove 12 are effectively sealed on the convex ring 9. The connection end 4, the convex ring 9 and the flange fixing tube 3 can be sealed at the joint. When the flange type five-valve group joint adopts an airbag and a flange for sealing, the airbag ring 8 is sealed on the convex ring 9 through the gasket 11 and the fastening thread groove 12.
[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A joint fastening assembly for a flange type five-valve group, characterized in that: The joint fastening assembly for the flange-type five-valve group comprises a joint end (1) and a connection end (4); a snap groove (10) is provided in the middle of the joint end (1); a flange fixing tube (3) is fixed in the middle of the snap groove (10); a convex ring (9) is fixed at the front end of the flange fixing tube (3); the connection end (4) is welded to the middle of the convex ring (9); a fastening bolt (2) penetrates around the snap groove (10); a sealing airbag mechanism (7) is movably installed on the outside of the connection end (4); an airbag ring (8) is provided at the front end of the sealing airbag mechanism (7); an end snap mechanism (5) is movably installed on the outside of the sealing airbag mechanism (7); a sealing ring (6) is fixed at the front end of the end snap mechanism (5).
2. A joint fastening assembly for a flange type five-valve group according to claim 1, characterized in that: The sealing airbag mechanism (7) and the airbag ring (8) are fastened and mounted on the flange fixing tube (3) via a connecting end (4).
3. A joint fastening assembly for a flange type five-valve group according to claim 1, characterized in that: The end snap mechanism (5) and the sealing ring (6) are threadedly connected to the outside of the flange fixing pipe (3).
4. A joint fastening assembly for a flange type five-valve group according to claim 1, characterized in that: The sealing airbag mechanism (7) comprises a gasket (11) and a fastening thread groove (12), and the gasket (11) is movably installed inside the fastening thread groove (12).
5. A joint fastening assembly for a flange type five-valve group according to claim 4, characterized in that: The fastening thread groove (12) is movably mounted on the convex ring (9), and the convex ring (9) is movably mounted on the fastening thread groove (12) and the convex ring (9) via a gasket (11).
6. A joint fastening assembly for a flange type five-valve group according to claim 1, characterized in that: The end snap mechanism (5) comprises a ring sleeve (13) and a snap ring (14), and the ring sleeve (13) is movably mounted inside the snap ring (14).
7. A joint fastening assembly for a flange type five-valve group according to claim 6, characterized in that: The ring sleeve (13) and the snap ring (14) are threadedly fastened on the snap groove (10) and the joint end (1).