Corrosion-resistant metal-coated gasket
By using a filler layer composed of tin bronze, polytetrafluoroethylene, and nickel-based alloys, along with a stainless steel ring, in metal-clad gaskets, and combining it with a limiting device, the problems of easy corrosion and loosening of metal-clad gaskets are solved, achieving stable sealing and wide applicability in corrosive environments.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-12
- Publication Date
- 2026-03-27
AI Technical Summary
Existing metal-clad gaskets are prone to corrosion when in contact with raw materials inside the container, leading to seal failure and loosening of the filler layer, thus limiting their application.
The filling layer consists of tin bronze ring material, polytetrafluoroethylene-coated ring material and nickel-based alloy-coated ring material, combined with stainless steel ring material to enhance corrosion resistance. It is limited and fixed by auxiliary devices such as tubes, springs and rods to improve the tightness of contact.
It improves the stability and operational stability of the device in environments with strong acids, strong alkalis, and strong oxidants, expands its applicable range, and enhances the sealing effect.
Smart Images
Figure CN224049680U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of cladding gasket, specifically is a kind of anticorrosion metal cladding gasket. BACKGROUND
[0002] Metal cladding gasket advantage is strong, not easy to break, firm and solid, but limited resilience, need to seek flange surface flat and fastening force very high to achieve good effect, it is suitable for the pressure vessel of larger diameter, the existing metal cladding gasket is widely used, however, it is not generally considered to contact with other raw materials in container during setting process Possible, so it is easy to appear when raw material leakage and gasket contact, it is easy to appear the phenomenon that gasket is corroded and causes damage to effectively seal, and filling layer long time use process can be loose and separated with inner and outer ring material, for this, we propose a kind of anticorrosion metal cladding gasket. SUMMARY
[0003] In view of the above situation, to overcome the defects of the prior art, the utility model provides a kind of anticorrosion metal cladding gasket, effectively solve the above problems.
[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of anticorrosion metal cladding gasket, including tin bronze ring material, filling layer and stainless steel ring material, the tin bronze ring material is located in the inside of filling layer, the stainless steel ring material is located at the outside of filling layer, the filling layer includes polytetrafluoroethylene cladding ring material and nickel-based alloy cladding ring material, the filling layer is wound by polytetrafluoroethylene cladding ring material and nickel-based alloy cladding ring material.
[0005] Preferably, the outside of the tin bronze ring material is provided with multiple sets of auxiliary devices, and the filling layer is provided with a plug hole matched with the auxiliary device.
[0006] Preferably, the auxiliary device includes a plug tube, a spring is connected in the inside of the plug tube, and a plug rod is connected to the upper side of the spring.
[0007] Preferably, the lower side of the plug rod is connected with an auxiliary rod.
[0008] Preferably, the front side of the stainless steel ring material is provided with a guide groove matched with the plug rod.
[0009] Preferably, an ethylene-propylene rubber layer is arranged in the interlayer of the polytetrafluoroethylene cladding ring material and the nickel-based alloy cladding ring material.
[0010] Compared with the prior art, the utility model has the beneficial effects that:
[0011] 1、By setting tin bronze ring material, filling layer and stainless steel ring material, the device has good corrosion resistance, and is stable when corroded by chemical drugs such as strong acid, strong alkali, aqua regia and strong oxidant, improves the application range of the device, and improves the practicality of the device.
[0012] 2、By setting the auxiliary device, the tin bronze ring material, the filling layer and the stainless steel ring material are limited, the contact tightness of the tin bronze ring material, the filling layer and the stainless steel ring material is indirectly improved, and the lower side of the auxiliary rod can be limited by setting the auxiliary rod, so that the stability of the device is improved. BRIEF DESCRIPTION OF DRAWINGS
[0013] The accompanying drawings are used to provide a further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation on the present application.
[0014] In the drawings:
[0015] Fig. 1 It is a structure schematic view of the anti-corrosion metal coated gasket of the present application.
[0016] Fig. 2 It is a structure schematic view of the auxiliary device of the present application.
[0017] Fig. 3 It is a structure schematic view of the filling layer of the present application.
[0018] In the drawings: 100, tin bronze ring material; 200, filling layer; 210, polytetrafluoroethylene coated ring material; 220, nickel-based alloy coated ring material; 230, ethylene-propylene rubber layer; 300, stainless steel ring material; 310, guide groove; 400, auxiliary device; 410, insertion pipe; 420, spring; 430, insertion rod; 440, auxiliary rod. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.
[0020] Please refer to Figs. 1-3The utility model provides an anticorrosion metal clad gasket, including tin bronze ring material 100, filling layer 200 and stainless steel ring material 300, tin bronze ring material 100 is located inside filling layer 200, and stainless steel ring material 300 is located outside filling layer 200, and filling layer 200 includes polytetrafluoroethylene clad ring material 210 and nickel base alloy clad ring material 220, and filling layer 200 is wound by polytetrafluoroethylene clad ring material 210 and nickel base alloy clad ring material 220, and the interlayer of polytetrafluoroethylene clad ring material 210 and nickel base alloy clad ring material 220 is provided with ethylene propylene rubber layer 230, and polytetrafluoroethylene clad ring material 210, nickel base alloy clad ring material 220, ethylene propylene rubber layer 230 are wound outside tin bronze ring material 100 to form filling layer 200, and then punch the outside of filling layer 200, put auxiliary device 400 into the insertion hole outside filling layer 200, then tin bronze ring material 100 is sleeved on the outside of filling layer 200, and the front side of stainless steel ring material 300 outside filling layer 200 is provided with guide groove 310, and guide groove 310 is matched with insertion rod 430, when stainless steel ring material 300 is sleeved on the outside of filling layer 200, stainless steel ring material 300 moves from the back side of filling layer 200 to the outside of filling layer 200, insertion rod 430 is clamped into guide groove 310, until stainless steel ring material 300 is completely attached to the outside of filling layer 200, and the elastic force of spring 420 deformation drives insertion rod 430 to be inserted into the insertion hole in the inner wall of stainless steel ring material 300, by setting tin bronze ring material 100, filling layer 200 and stainless steel ring material 300, the utility model has good anticorrosion performance, the utility model is also relatively stable when being corroded by chemical medicine such as strong acid, strong alkali, aqua regia and strong oxidant, improve the application range of the utility model, improve the practicality of the utility model, ethylene propylene rubber layer 230 is formed by the copolymerization of ethylene and propylene, has excellent weather resistance, ozone resistance and chemical corrosion resistance, so that filling layer 200 can be filled in the gap between tin bronze ring material 100 and stainless steel ring material 300, improve the stability of the utility model.
[0021] The outer side of the tin bronze ring material 100 is provided with a plurality of groups of auxiliary devices 400, the filling layer 200 is provided with a plug hole matched with the auxiliary device 400, the auxiliary device 400 comprises a plug pipe 410, the inside of the plug pipe 410 is fixedly connected with a spring 420, the upper side of the spring 420 is fixedly connected with a plug rod 430, in the use process, the plug pipe 410 is inserted into the filling layer 200, the ring material of each ring layer of the filling layer 200 is limited and fixed, and then the stability of the filling layer 200 in the long time use process is improved, the plug rod 430 and the spring 420 make the auxiliary device 400 limit the tin bronze ring material 100, the filling layer 200 and the stainless steel ring material 300, the auxiliary device 400 is arranged to limit the tin bronze ring material 100, the filling layer 200 and the stainless steel ring material 300, and the contact tightness of the tin bronze ring material 100, the filling layer 200 and the stainless steel ring material 300 is indirectly improved, the lower side of the plug rod 430 is fixedly connected with an auxiliary rod 440, the auxiliary rod 440 can be limited through the arrangement of the auxiliary rod 440, and the stability of the device is improved.
Claims
1. A corrosion-resistant metal-coated gasket, characterized in that: The material includes a tin bronze ring (100), a filler layer (200), and a stainless steel ring (300). The tin bronze ring (100) is located inside the filler layer (200), and the stainless steel ring (300) is located outside the filler layer (200). The filler layer (200) includes a polytetrafluoroethylene-coated ring (210) and a nickel-based alloy-coated ring (220). The filler layer (200) is formed by winding the polytetrafluoroethylene-coated ring (210) and the nickel-based alloy-coated ring (220).
2. The corrosion-resistant metal-coated gasket according to claim 1, characterized in that: The outer side of the tin bronze ring material (100) is provided with multiple sets of auxiliary devices (400), and the filling layer (200) has insertion holes that match the auxiliary devices (400).
3. The corrosion-resistant metal-coated gasket according to claim 2, characterized in that: The auxiliary device (400) includes a cannula (410), a spring (420) is connected inside the cannula (410), and a rod (430) is connected to the upper side of the spring (420).
4. The corrosion-resistant metal-coated gasket according to claim 3, characterized in that: An auxiliary rod (440) is connected to the lower side of the insertion rod (430).
5. The corrosion-resistant metal-coated gasket according to claim 2, characterized in that: The stainless steel ring (300) has a guide groove (310) on its front side, and the guide groove (310) matches the insert rod (430).
6. The corrosion-resistant metal-coated gasket according to claim 1, characterized in that: The polytetrafluoroethylene-coated ring material (210) and the nickel-based alloy-coated ring material (220) have an ethylene propylene rubber layer (230) inside the interlayer.