Titanium-lined flange structure
By introducing a fixing and sealing mechanism into the titanium-lined flange, the problems of titanium ring welding deformation and sealing surface damage are solved, achieving higher sealing performance and service life, while reducing labor costs.
Patent Information
- Application Number
- CN202520920890.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-12
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-05-12
AI Technical Summary
During the welding process of existing titanium-lined flanges, the titanium ring sealing surface is prone to deformation and weld beads, which impairs the sealing effect and increases labor requirements.
The design employs a fixing and sealing mechanism, using bolts and plug welding to secure the titanium ring. Combined with the design of a sealing ring and a compression ring, it ensures a stable connection and sealing effect between the titanium ring and the base flange.
It improves the sealing performance and service life of titanium-lined flanges, reduces damage to the titanium ring sealing surface, and lowers labor requirements.
Smart Images
Figure CN223953544U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of lining titanium flange, concretely relates to a lining titanium flange structure. BACKGROUND
[0002] Flange, also known as flange lug plate or lug, is a kind of hollow disc mechanical parts for connecting and disassembling shaft, pipeline and simple body and head, and the sealing property of flange connection is mainly composed of flange itself, gasket and bolt. By the pre-tightening force of bolt, the gasket is deformed and tightly pressed on the flange sealing surface, fills the recess gap on the compression surface, increases the resistance of sealing port to fluid flow, so as to prevent medium leakage.
[0003] Lining titanium flange is a kind of composite flange lined with titanium material on ordinary flange base, which has the advantages of corrosion resistance of titanium and the mechanical properties of ordinary flange, and is usually composed of base flange, titanium ring, titanium gasket and titanium liner. The titanium ring is welded with the base flange to form a firm connection.
[0004] And considering that the existing lining titanium flange needs to be welded on the sealing surface of the titanium ring during welding processing to ensure the fixing effect of the titanium ring and the base flange, the titanium ring welding sealing surface is prone to deformation and welding tumor, so that the titanium ring sealing surface needs to be processed twice, but it still affects the integrity of the titanium ring sealing surface and the sealing effect of the lining titanium flange, and increases the labor force. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a lining titanium flange structure.
[0006] To achieve this purpose, the utility model adopts the following technical scheme:
[0007] A lining titanium flange structure is provided, which comprises a base flange, a titanium liner, a titanium ring, a fixing mechanism and a sealing mechanism. The titanium ring is fixedly installed on the base flange through the fixing mechanism, the titanium liner is fixedly installed on the titanium ring, and the titanium liner is inserted into the base flange. The sealing mechanism is fixedly installed on the titanium ring, and is used for sealing between the titanium ring and the base flange.
[0008] Further, the fixing mechanism comprises a fixing block and a bolt. The fixing block is fixedly installed on the titanium ring, and a threaded hole is formed in the base flange. The bolt is threadedly connected with the fixing block and the threaded hole.
[0009] Further, the fixing block and the bolt are fixed by plug welding, and a plug welding part is formed at the welding position.
[0010] Further, the fixing mechanism is provided with seven groups, and the seven groups of fixing mechanisms are arrayed along the outer edge circumference of the titanium ring.
[0011] Further, the sealing mechanism comprises a sealing ring and a pressing ring, an annular groove is formed on the base flange, the sealing ring is arranged in the annular groove, and the pressing ring is fixedly installed on the titanium ring and is inserted with the annular groove.
[0012] Further, the sealing mechanism further comprises a mounting block and a wedge block, the mounting block is fixedly installed on the titanium ring and is inserted with the annular groove, the wedge block is connected with the mounting block through a spring and is slidingly connected with the mounting block, and a clamping groove is formed in the annular groove and the wedge block is clamped with the clamping groove.
[0013] The titanium lining flange structure has the advantages that: the fixed mechanism is arranged, the fixed block and the threaded hole are connected through a bolt, the titanium ring is fixed, the fixed block and the bolt are fixedly connected through titanium welding wire plug welding, the titanium ring sealing surface is prevented from being damaged, the sealing effect of the titanium lining flange is improved, the labor is reduced, the sealing mechanism is arranged, the sealing ring can be pressed, the sealing ring is deformed by expansion, the titanium ring and the base flange are sealed, and the service life and use effect of the titanium lining flange are improved. BRIEF DESCRIPTION OF DRAWINGS
[0014] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will be briefly introduced to the drawings needed to be used in the embodiments of the utility model.
[0015] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;
[0016] Figure 2 It is the sectional structure schematic diagram of the base flange, titanium ring and titanium lining cylinder of the utility model;
[0017] Figure 3 It is the sectional structure schematic diagram of the utility model Figure 2 The enlarged structure schematic diagram of A part;
[0018] Figure 4 It is the split structure schematic diagram of the base flange and sealing ring of the utility model;
[0019] Figure 5 It is the split structure schematic diagram of the utility model Figure 4 The enlarged structure schematic diagram of B part;
[0020] Figure 6 It is the split structure schematic diagram of the titanium ring of the utility model.
[0021] In the drawing: 1, base flange; 2, titanium lining cylinder; 3, titanium ring; 4, fixed mechanism; 41, fixed block; 42, bolt; 43, threaded hole; 44, plug welding part; 5, sealing mechanism; 51, sealing ring; 52, annular groove; 53, pressing ring; 54, mounting block; 55, spring; 56, wedge block; 57, clamping groove. DETAILED DESCRIPTION
[0022] The technical scheme of the utility model is further illustrated below in combination with the drawings and specific embodiments.
[0023] The drawings are only used for illustrative explanation, and the representation is only a schematic diagram, not a real object diagram, and cannot be understood as a limitation on the patent; in order to better illustrate the embodiments of the utility model, some components in the drawings can be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings can be omitted.
[0024] Referring to Figure 1 and Figure 2 , a titanium-lined flange structure is shown, which comprises a base flange 1, a titanium lining 2, a titanium ring 3, a fixing mechanism 4 and a sealing mechanism 5. The titanium ring 3 is fixedly installed on the base flange 1 through the fixing mechanism 4. The titanium ring 3 is connected with the base flange 1 through the fixing mechanism 4 provided, so as to be combined into a titanium-lined flange. When two base flanges 1 are butted, the titanium rings 3 on the two base flanges 1 are connected in abutment. The titanium lining 2 is fixedly installed on the titanium ring 3, and the titanium lining 2 is inserted with the base flange 1. The titanium lining 2 is arranged in the middle through hole of the base flange 1, and the length is the same as the depth of the through hole, so as to support the titanium ring 3 from the side and seal the side gap of the titanium ring 3. The sealing mechanism 5 is fixedly installed on the titanium ring 3. The sealing mechanism 5 is used for sealing between the titanium ring 3 and the base flange 1. The sealing mechanism 5 provided can support the titanium ring 3, so as to avoid the inclination of the titanium ring 3 during fixing.
[0025] Referring to Figures 1 to 3 , the fixing mechanism 4 comprises a fixing block 41 and a bolt 42. The fixing block 41 is fixedly installed on the titanium ring 3. Threaded holes are provided on the fixing block 41, which are used for connecting the bolt 42. Threaded holes 43 are formed on the base flange 1. The bolt 42 is threadedly connected with the fixing block 41 and the threaded holes 43. The bolt 42 is inserted through the threaded holes, and is connected with the threaded holes 43, so that the fixing block 41 and the titanium ring 3 are fixedly installed on the base flange 1. The fixing block 41 and the bolt 42 are fixed by plug welding. The plug welding part 44 is formed at the welding position. The fixing block 41 and the bolt 42 are connected by plug welding with titanium welding wire, so that the plug welding part 44 is located in the threaded hole of the fixing block 41, thereby avoiding damaging the sealing surface of the titanium ring 3, and improving the sealing performance of the titanium-lined flange. The fixing mechanism 4 is provided with seven groups. The seven groups of fixing mechanisms 4 are distributed along the outer edge circumference of the titanium ring 3. The seven groups of fixing mechanisms 4 are provided, so as to stably install the titanium ring 3 on the base flange 1, and make the titanium ring 3 keep uniform stress on all sides.
[0026] Referring to Figure 4 and Figure 6The sealing mechanism 5 comprises a sealing ring 51 and a pressing ring 53, the base flange 1 is provided with an annular groove 52, the sealing ring 51 is placed in the annular groove 52, the sealing ring 51 has an elastic deformation effect, the sealing ring 51 can be sealed between the titanium ring 3 and the base flange 1 through the deformation effect of the sealing ring 51, the pressing ring 53 is fixedly installed on the titanium ring 3 and is inserted with the annular groove 52, the sealing ring 51 in the annular groove 52 is pressed by the pressing ring 53, so that the sealing ring 51 is deformed to expand, thereby generating a sealing effect.
[0027] With reference to Figure 5 and Figure 6 The sealing mechanism 5 further comprises a mounting block 54 and a wedge block 56, the mounting block 54 is fixedly installed on the titanium ring 3 and is inserted with the annular groove 52, when the mounting block 54 is inserted with the annular groove 52, the wedge block 56 is pressed, so that the spring 55 is contracted, the wedge block 56 is connected with the mounting block 54 through the spring 55 and is slidingly connected with the mounting block 54, the wedge block 56 is always kept in clamping connection with the clamping groove 57 through the elastic force of the spring 55, the annular groove 52 is provided with the clamping groove 57, the wedge block 56 is clamped with the clamping groove 57, the mounting block 54 can be limited through the clamping effect of the wedge block 56 and the clamping groove 57, so that the titanium ring 3 is kept fixed, thereby the pressing ring 53 always keeps the pressing effect on the sealing ring 51.
[0028] The titanium lining flange structure, through the fixing mechanism, the fixed block and the threaded hole are connected by the bolt, the titanium ring is fixed, and the fixed block and the bolt are fixedly connected by the titanium welding wire plug welding, so that the titanium ring sealing surface is avoided from being damaged, the sealing effect of the titanium lining flange is improved, the labor is reduced, in addition, through the sealing mechanism, the sealing ring can be pressed, so that the sealing ring is deformed to expand, the titanium ring and the base flange are sealed, and the service life and use effect of the titanium lining flange are improved.
[0029] It should be noted that the above specific embodiments are only the preferred embodiments of the present application and the technical principles applied. Those skilled in the art should understand that various modifications, equivalent replacements, changes, etc. can be made to the present application. However, as long as these changes do not deviate from the spirit of the present application, they should be within the protection scope of the present application. In addition, some terms used in the specification and claims of the present application are not limited, but only for convenience of description.
Claims
1. A structure of a flange with titanium liner, characterized by, The utility model provides a titanium ring sealing device, including base flange (1), titanium lining (2), titanium ring (3), fixed mechanism (4) and sealing mechanism (5), titanium ring (3) is fixedly installed on base flange (1) through fixed mechanism (4), titanium lining (2) is fixedly installed on titanium ring (3), and titanium lining (2) is inserted with base flange (1), sealing mechanism (5) is fixedly installed on titanium ring (3), and sealing mechanism (5) is used to seal between titanium ring (3) and base flange (1).
2. The structure of the flange with titanium liner according to claim 1, characterized in that, The fixed mechanism (4) includes fixed block (41) and bolt (42), the fixed block (41) is fixedly installed on the titanium ring (3), the base flange (1) is provided with a threaded hole (43), and the bolt (42) is screwed with the fixed block (41) and the threaded hole (43).
3. The structure of the flange with titanium liner as claimed in claim 2, wherein, The fixed block (41) and bolt (42) are fixed by plug welding, and a plug welding part (44) is formed at the welding position.
4. The structure of the flange with titanium liner as claimed in claim 2, wherein, The fixed mechanism (4) is provided with seven groups, and the seven groups of fixed mechanism (4) are distributed along the outer edge circumference of the titanium ring (3).
5. The structure of the flange with titanium liner as claimed in claim 1, wherein, The sealing mechanism (5) includes sealing ring (51) and extrusion ring (53), the base flange (1) is provided with an annular groove (52), the sealing ring (51) is placed in the annular groove (52), the extrusion ring (53) is fixedly installed on the titanium ring (3), and the extrusion ring (53) is inserted with the annular groove (52).
6. The structure of the flange with titanium liner as claimed in claim 5, wherein, The sealing mechanism (5) further includes mounting block (54) and wedge block (56), the mounting block (54) is fixedly installed on the titanium ring (3), and the mounting block (54) is inserted with the annular groove (52), the wedge block (56) is connected with the mounting block (54) through the spring (55), and the wedge block (56) is slidably connected with the mounting block (54), the annular groove (52) is provided with a clamping groove (57), and the wedge block (56) is clamped with the clamping groove (57).