Thin-wall flange connecting piece
By designing thin-walled flange connectors and utilizing the combination of tee connectors and flange connection end screws and nuts, the problem that existing thin-walled pipe compensators cannot connect three pipes has been solved, achieving efficient connection and filtration sealing effects.
Patent Information
- Application Number
- CN202520198813.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-08
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2035-02-08
AI Technical Summary
Existing thin-walled pipe compensators cannot effectively connect three pipes, resulting in low connection efficiency.
Design a thin-walled flange connector, including a tee connector, a metal bellows, and a flange connection end. A stable connection of three pipes is achieved by a combination of screws and nuts. A filter screen and a sealing ring are installed at the flange connection end to improve sealing and filtration efficiency.
It achieves efficient connection of three pipes, reduces installation difficulty, improves connection efficiency, and has filtration and sealing functions.
Smart Images

Figure CN223609649U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to metal material processing technical field, especially a thin wall flange connecting piece. BACKGROUND
[0002] Thin wall pipeline compensator, usually by metal bellows and component, it's main working principle is to utilize the elastic deformation function, to compensate the axial, angular, lateral and its combination displacement of pipeline due to various factors (such as temperature change, mechanical vibration etc.). This compensator has multiple advantages, including pressure resistance, sealing, corrosion resistance, temperature resistance, impact resistance and vibration reduction and noise reduction, can effectively reduce the deformation of pipeline, improve the service life of pipeline.
[0003] At present, the thin wall pipeline compensator on the market mostly connects two pipelines, when three pipelines need to be connected and connected, the above pipeline compensator cannot realize its function.
[0004] Therefore, it is necessary to research a thin wall flange connecting piece to solve the above technical problems. UTILITY MODEL CONTENT
[0005] The utility model discloses a thin wall flange connecting piece, which is suitable for connecting and compensating three pipelines, and improves the efficiency of connecting three pipelines.
[0006] To achieve the above utility model purposes, a thin wall flange connecting piece is provided, which comprises a tee connector, metal bellows and flange connecting ends.
[0007] The number of metal bellows and flange connecting ends is 3.
[0008] One end of the three metal bellows is welded on the three ports of the tee connector, and the three ports of the tee connector share the same axis.
[0009] Three flange connecting ends are welded with the other end of the three metal bellows respectively to realize communication.
[0010] In the tee connector, a plurality of first connecting parts are arranged in a ring array on the outside of the middle port, and a plurality of second connecting parts are arranged in a ring array on the outside of the flange connecting end connected with the middle port, and the second connecting parts correspond to the first connecting parts one by one.
[0011] A first screw rod is threadedly connected to the first connecting part, one end of the first screw rod is threadedly connected to the first connecting part, the other end of the first screw rod is threadedly connected to the second connecting part, and both ends of the first screw rod are sleeved with first nuts.
[0012] The outer sides of the other two flange connecting ends are each provided with an equal number of third connecting parts in a ring array, and the third connecting parts on the two flange connecting ends each correspond one-to-one;
[0013] The second screw is threadedly connected to the third connecting part on the other flange connecting end.
[0014] Preferably, the port inner wall of the three flange connecting ends is inwardly recessed to form a ring stepped portion, and the filter screen is fixed to the ring stepped portion by bolts.
[0015] Further, the filter screen has a curved surface structure.
[0016] Preferably, the port of the three flange connecting ends has a ring placement groove, and the ring placement groove is provided with a sealing ring.
[0017] Compared with the prior art, the thin-wall flange connecting piece has the following advantages:
[0018] (1) The connecting compensation function between three pipes is adapted, the installation difficulty is reduced, and the efficiency of connecting three pipes is effectively improved.
[0019] (2) The structure is simple and convenient to use. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 The structure of the thin-wall flange connecting piece of the embodiment Figure 1 ;
[0021] Figure 2 The structure of the thin-wall flange connecting piece of the embodiment Figure 2 ;
[0022] Figure 3 The structure of the filter screen in the embodiment
[0023] Figure 4 The structure of the thin-wall flange connecting piece of the embodiment Figure 3 . DETAILED DESCRIPTION
[0024] The utility model will be further described in combination with the drawings and specific embodiments.
[0025] As Figure 1 described, the thin-wall flange connecting piece of the embodiment comprises a tee connector 1, a metal corrugated pipe 2 and a flange connecting end 3.
[0026] Three said metal bellows 2 are welded at one end of the three-port connector 1 respectively, and share the same axis with the three-port connector 1.
[0027] Three said flange connecting ends 3 are welded with the other end of the three said metal bellows 2 respectively, realizing the communication.
[0028] In the three-port connector 1, a plurality of first connecting parts 4 are arranged in a ring array on the outside of the middle port, and a plurality of second connecting parts 5 are arranged in a ring array on the outside of the flange connecting end connected with the middle port, the second connecting part 5 corresponding to the first connecting part 4 one by one; the first connecting part 4 is threadedly connected with a first screw rod 6, one end of the first screw rod 6 is threadedly connected with the first connecting part 4, and the other end is threadedly connected with the second connecting part 5, both ends of the first screw rod 6 are sleeved with a first nut 7.
[0029] The outside of the remaining two flange connecting ends is provided with an equal number of third connecting parts 8 in a ring array, and the third connecting parts 8 on the two flange connecting ends correspond to each other one by one; the third connecting part 8 is threadedly connected with a second screw rod 9, the other end of the second screw rod 9 is threadedly connected with the corresponding third connecting part 8 on the other flange connecting end, and both ends of the second screw rod 9 are sleeved with a second nut 10.
[0030] In this way, after effective connection, the overall thin-walled flange connecting part is not deformed, and the connection strength is improved.
[0031] In this embodiment, the port inner wall of the three said flange connecting ends 3 is inwardly recessed to form a ring-shaped stepped part 11, and a filter screen 12 is fixed on the ring-shaped stepped part 11 through a bolt, as shown in Figure 2 In this way, effective filtering effect can be achieved.
[0032] Further, in this embodiment, as shown in Figure 3 The filter screen has a curved surface structure, effectively increasing the filtering area and improving the filtering effect of the medium in the pipeline.
[0033] In this embodiment, as shown in Figure 4 The three said flange connecting ends 3 have a ring-shaped placement groove 13 on the port, and a sealing ring (not shown in the figure) is placed in the ring-shaped placement groove 13, effectively improving the sealing performance of the flange connecting end 3 after being connected with the external pipeline.
[0034] When the connection is carried out, the flange connection end 3 in the middle is connected with the external pipeline through the bolt, and then the remaining two flange connection ends are connected with the remaining external pipelines to realize the communication, the first nut 7 at both ends of the first screw rod 6 and the second nut 10 at both ends of the second screw rod 9 are respectively tightened, and the metal bellows 2 can be fixed.
[0035] Although the embodiments of the utility model have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary and cannot be understood as limiting the utility model, and the ordinary skilled in the art can change, modify, replace and transform the above-mentioned embodiments within the scope of the utility model.
Claims
1. A thin-walled flanged connection, characterized in that Including three -way connector, metal bellows and flange connection end; The number of the metal bellows and the flange connection end is 3; One end of the three metal bellows is welded on the three ports of the three -way connector respectively, and shares the same axis with the three ports of the three -way connector; Three flange connection ends are welded with the other end of the three metal bellows respectively, realizing communication; In the three -way connector, the outside of the middle port is provided with a plurality of first connecting parts in a ring array, and the outside of the flange connection end connected with the middle port is provided with a plurality of second connecting parts in a ring array, the second connecting part corresponds to the first connecting part one by one; The first screw rod is screwed on the first connecting part, and the other end is screwed on the second connecting part, and the both ends of the first screw rod are sleeved with the first nut; The outside of the other two flange connection ends is provided with an equal number of third connecting parts in a ring array, and the third connecting parts on the two flange connection ends correspond one by one; The second screw rod is screwed on the third connecting part on the other flange connection end, and the both ends of the second screw rod are sleeved with the second nut.
2. A thin walled flanged connection as claimed in claim 1, characterised in that The inner wall of the port of the three flange connection ends is recessed to form a ring step part, and the ring step part is fixed with a filter screen through a bolt.
3. A thin walled flanged connection as claimed in claim 2, wherein, The filter screen is a curved surface structure.
4. A thin-walled flanged connection as claimed in any one of claims 1 to 3, characterized in that The port of the three flange connection ends has a ring placing groove, and the ring placing groove is placed with a sealing ring.