CN110043668B - Sealing assembly with metal rubber material as sealing element - Google Patents
Sealing assembly with metal rubber material as sealing element Download PDFInfo
- Publication number
- CN110043668B CN110043668B CN201910034178.0A CN201910034178A CN110043668B CN 110043668 B CN110043668 B CN 110043668B CN 201910034178 A CN201910034178 A CN 201910034178A CN 110043668 B CN110043668 B CN 110043668B
- Authority
- CN
- China
- Prior art keywords
- sealing ring
- sealing
- metal rubber
- ring
- stainless steel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3248—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3268—Mounting of sealing rings
- F16J15/3276—Mounting of sealing rings with additional static sealing between the sealing, or its casing or support, and the surface on which it is mounted
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3284—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings characterised by their structure; Selection of materials
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Devices (AREA)
- Gasket Seals (AREA)
Abstract
The invention relates to a sealing assembly, in particular to a sealing assembly taking a metal rubber material as a sealing element, which comprises a sealing ring, a metal rubber sealing ring, a stainless steel sealing flange plate, an inner sealing Y-shaped sealing ring and a transmission sealing ring; the sealing ring and the transmission sealing ring are arranged in a ring groove of the metal rubber sealing ring, the stainless steel sealing flange is sleeved on the metal rubber sealing ring, and the inner sealing Y-shaped sealing ring is arranged in a ring cavity between the stainless steel sealing flange and the metal rubber sealing ring. The metal rubber material is used as the sealing element ring, and the metal rubber ring can be better matched with the rotating shaft through the self ductility and plasticity of the material, so that the problems of slipping, rotation loss and the like are prevented. The metal rubber sealing ring can be better attached to the Y-shaped sealing ring, so that a better sealing effect is achieved. Meanwhile, the stainless steel sealing flange plate has good wear resistance and an automatic compensation function, so that the contact surface of the stainless steel sealing flange plate is ensured to have longer service life.
Description
The technical field is as follows:
the invention relates to a sealing assembly, in particular to a sealing assembly taking a metal rubber material as a sealing element.
Background art:
the sealing assembly plays an important role in sealing the rotary motion device. Such as a gearbox output shaft, input shaft seal assembly. The common mechanical seal of the gear box is generally made of alloy steel materials for the static ring and aluminum alloy materials for the dynamic ring. It uses the pressure of elastic component (such as spring or corrugated pipe and spring combined component) and sealing medium to produce proper pressing force on the contact surface (end surface) of rotating moving ring and static ring to make these two end surfaces tightly contact, and between the end surfaces a very thin liquid film is maintained so as to attain the goal of sealing. The liquid film has hydrodynamic pressure and hydrostatic pressure, and plays roles of lubrication and balance pressure. Because of the structural form, the mechanical seal is often subjected to sealing end face damage, thermal stress, deformation and breakage, and is particularly a non-metal sealing end face. In addition, spring relaxation, cracking and corrosion are also prone to mechanical seal failure. The auxiliary sealing ring has the phenomena of chipping, cracking, bumping, curling and twisting, and also has non-assembly faults of deformation, hardening, cracking, deterioration and the like. During the operation of the device, the failure of the sealing component is often manifested as vibration, heat generation and abrasion, and finally appears in the form of medium leakage. Therefore, it is necessary to design a sealing assembly which has a good sealing effect and can effectively reduce the abrasion of the sealing friction pair.
The invention content is as follows:
the invention aims to provide a sealing assembly which has a good sealing effect and can effectively reduce the abrasion of a sealing friction pair. The metal rubber sealing ring can be better kept attached to the Y-shaped sealing ring, so that a better sealing effect is achieved. Meanwhile, the stainless steel sealing flange plate has good wear resistance and an automatic compensation function, so that the contact surface of the stainless steel sealing flange plate has a longer service life.
The technical scheme adopted by the invention is as follows: a sealing assembly taking a metal rubber material as a sealing element comprises a sealing ring, a metal rubber sealing ring, a stainless steel sealing flange plate, an inner sealing Y-shaped sealing ring and a transmission sealing ring; the sealing ring and the transmission sealing ring are arranged in an annular groove of the metal rubber sealing ring, the stainless steel sealing flange plate is sleeved on the metal rubber sealing ring, and the inner sealing Y-shaped sealing ring is arranged in an annular cavity between the stainless steel sealing flange plate and the metal rubber sealing ring.
Furthermore, the sealing ring is made of hydrogenated butadiene-acrylonitrile rubber material, and the cross section of the sealing ring is circular; the transmission sealing ring is made of acrylate rubber; the metal rubber sealing ring is made of a metal rubber material.
Furthermore, the sealing ring and the transmission sealing ring are made of flexible graphite materials, and the cross sections of the sealing ring and the transmission sealing ring are rectangular.
Furthermore, one end of the stainless steel sealing flange plate, which is close to the output end, is a protruding shaft section, the surface of the protruding shaft section is plated with chrome, and the axial size of the protruding shaft section is larger than 4mm.
Furthermore, the metal rubber sealing ring and the stainless steel sealing flange plate have two contact surfaces in the axial direction, wherein the contact gap of the end surface close to the output end is 0.01-0.06mm larger than the gap of the end surface far away from the output end.
Furthermore, the metal rubber sealing ring is provided with a ring groove for collecting water vapor and oil gas at one side close to the output end shaft section.
Further, the metal rubber sealing ring and the stainless steel sealing flange are of split type or integral type structures.
Furthermore, the surface of the friction pair on one side of the metal rubber sealing ring close to the output end is coated with a polytetrafluoroethylene coating; the thickness of the polytetrafluoroethylene coating is 0.1-0.6mm.
Furthermore, the metal rubber sealing ring is in interference fit with a contact shaft section of the inner sealing Y-shaped sealing ring.
Furthermore, the surface roughness of the contact surface of the Y-shaped sealing ring of the internal sealing of the stainless steel sealing flange is Ra0.4.
The invention has the beneficial effects that: the utility model provides a sealed effectual and can effectively reduce the sealed vice seal assembly who weares and teares of friction to metal rubber material passes through material self ductility and plasticity as the sealing element ring, can be better with the pivot cooperation, and then prevent to produce and skid, lose and change scheduling problem. The metal rubber sealing ring can be better attached to the Y-shaped sealing ring, so that a better sealing effect is achieved. Meanwhile, the stainless steel sealing flange plate has good wear resistance and an automatic compensation function, so that the contact surface of the stainless steel sealing flange plate is ensured to have a longer service life, and the stainless steel sealing flange plate is simple in structure, reasonable in design, safe, reliable, economical and applicable, and easy to popularize and use on a large scale.
Description of the drawings:
fig. 1 is a schematic structural diagram of the first embodiment.
The specific implementation mode is as follows:
example one
Referring to fig. 1, a sealing assembly using a metal rubber material as a sealing element comprises a sealing ring 1, a metal rubber sealing ring 2, a stainless steel sealing flange 3, an inner sealing Y-shaped sealing ring 4 and a transmission sealing ring 5; sealing washer 1 and transmission sealing washer 5 are installed in the annular of metal rubber sealing ring 2, stainless steel sealing flange 3 suit is on metal rubber sealing ring 2, interior seal Y type sealing washer 4 is installed in the ring cavity between stainless steel sealing flange 3 and metal rubber sealing ring 2. The sealing assembly adopts a metal rubber material as a movable ring, the movable ring is connected with the rotating shaft through the sealing ring and the metal rubber sealing ring and used for transmitting motion, rotation of the movable ring is realized, and the inner sealing Y-shaped sealing ring and the friction pair are utilized to form sealing with the stainless steel sealing flange plate.
The sealing ring is made of hydrogenated butadiene-acrylonitrile rubber material, and the cross section of the sealing ring is circular; the transmission sealing ring is made of acrylate rubber; the metal rubber sealing ring is made of metal rubber materials. The metal rubber sealing ring and the stainless steel sealing flange plate have two contact surfaces in the axial direction, wherein the contact gap of the end surface close to the output end is 0.01-0.06mm larger than the gap of the end surface far away from the output end. The metal rubber sealing ring is in a split or integral structure, and a ring groove structure is arranged on the shaft section close to one side of the output end and used for collecting water vapor and oil gas. The metal rubber sealing ring is in interference fit with the contact shaft section of the inner sealing Y-shaped sealing ring. The metal rubber sealing ring and the stainless steel sealing flange have two contact surfaces in the axial direction, and the contact clearance of the end surface close to the output end is 0.01-0.06mm larger than that of the end surface far away from the output end. Through the structure, the metal characteristic of the metal rubber material is utilized to reduce the abrasion and the heating condition, and the rubber characteristic is utilized to increase the self-compensation function, so the vibration and the abrasion can be effectively reduced.
Further improve material intensity attribute, more effectual reduction corruption, stainless steel sealing flange adopts 304 stainless steel to make, adopts split type structure or subdivision formula structure, and is Ra0.4 with the contact surface roughness of inner seal Y type sealing washer, is close to the output and is equipped with protruding shaft portion, and shaft portion surface chromium plating is handled, and axial dimension is greater than 4mm. The structure can ensure that the heat dissipation state of the sealing component is superior to that of the sealing component made of common aluminum alloy materials, so that the service life of the sealing friction pair is effectively prolonged.
One end of the stainless steel sealing flange plate (3) close to the output end is a protruding shaft section, the surface of the protruding shaft section is plated with chrome, and the axial size of the protruding shaft section is larger than 4mm.
Example two
On the basis of the technical scheme of the embodiment, the sealing ring and the transmission sealing ring are made of flexible graphite materials, and the cross sections of the sealing ring and the transmission sealing ring are rectangular. The pretightening force is formed through the flexibility of the flexible graphite material, so that the contact area is increased, and the transmission efficiency is effectively improved. By utilizing the characteristic of the rectangular section, the sealing contact area is increased, and the sealing effect is improved.
EXAMPLE III
On the basis of the technical scheme of the embodiment, the surface of the friction pair on one side of the metal rubber sealing ring close to the output end is coated with a polytetrafluoroethylene coating; the thickness of the polytetrafluoroethylene coating is 0.1-0.6mm. Through the self-lubricating effect of the polytetrafluoroethylene coating, the wear resistance of the metal rubber sealing ring is further improved, friction heating is reduced, and abrasion is reduced.
The sealing assembly adopts metal rubber material as a movable ring, and the movable ring is connected with the rotating shaft through a sealing ring and a metal rubber sealing ring to transfer motion. The metal rubber sealing ring and the stainless steel sealing flange plate form sealing through the Y-shaped sealing ring, and can be better matched with a rotating shaft through the ductility and plasticity of materials, so that the problems of slipping, loss and rotation and the like are prevented. The metal rubber sealing ring can be better attached to the Y-shaped sealing ring, so that a better sealing effect is achieved. Meanwhile, the stainless steel sealing flange plate has good wear resistance and an automatic compensation function, so that the contact surface of the stainless steel sealing flange plate is ensured to have longer service life.
Claims (1)
1. A seal assembly with a metal rubber material as a seal element, characterized in that: the sealing assembly comprises a sealing ring (1), a metal rubber sealing ring (2), a stainless steel sealing flange (3), an inner sealing Y-shaped sealing ring (4) and a transmission sealing ring (5); the sealing ring (1) and the transmission sealing ring (5) are arranged in an annular groove of the metal rubber sealing ring (2), the stainless steel sealing flange plate (3) is sleeved on the metal rubber sealing ring (2), and the inner sealing Y-shaped sealing ring (4) is arranged in an annular cavity between the stainless steel sealing flange plate (3) and the metal rubber sealing ring (2);
the sealing ring (1) is made of hydrogenated nitrile rubber material, and the cross section of the sealing ring is circular; the transmission sealing ring (5) is made of acrylate rubber; the metal rubber sealing ring (2) is made of a metal rubber material;
the sealing ring (1) and the transmission sealing ring (5) are made of flexible graphite materials, and the cross sections of the sealing ring (1) and the transmission sealing ring (5) are rectangular;
one end of the stainless steel sealing flange plate (3) close to the output end is a protruding shaft section, the surface of the protruding shaft section is plated with chrome, and the axial size of the protruding shaft section is larger than 4mm;
the metal rubber sealing ring (2) and the stainless steel sealing flange plate (3) are provided with two contact surfaces in the axial direction, wherein the contact gap of the end surface close to one side of the output end is 0.01-0.06mm larger than the gap of the end surface far away from the output end;
an annular groove for collecting water vapor and oil gas is formed in one side, close to the output end shaft section, of the metal rubber sealing ring (2);
the metal rubber sealing ring (2) and the stainless steel sealing flange plate (3) are of split type or integral type structures;
the surface of the friction pair on one side, close to the output end, of the metal rubber sealing ring (2) is coated with a polytetrafluoroethylene coating; the thickness of the polytetrafluoroethylene coating is 0.1-0.6mm;
the contact shaft section of the metal rubber sealing ring (2) and the inner sealing Y-shaped sealing ring (4) is in interference fit;
the surface roughness of the contact surface of the stainless steel sealing flange plate (3) and the inner sealing Y-shaped sealing ring (4) is Ra0.4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910034178.0A CN110043668B (en) | 2019-01-15 | 2019-01-15 | Sealing assembly with metal rubber material as sealing element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910034178.0A CN110043668B (en) | 2019-01-15 | 2019-01-15 | Sealing assembly with metal rubber material as sealing element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110043668A CN110043668A (en) | 2019-07-23 |
| CN110043668B true CN110043668B (en) | 2023-03-17 |
Family
ID=67274097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910034178.0A Active CN110043668B (en) | 2019-01-15 | 2019-01-15 | Sealing assembly with metal rubber material as sealing element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110043668B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111473117B (en) * | 2020-05-14 | 2022-11-18 | Abb瑞士股份有限公司 | Annular sealing member and robot |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB903391A (en) * | 1958-12-01 | 1962-08-15 | Friedrich Stuempfig | Improvements in packings comprising an annular resilient sealing element |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3327817A1 (en) * | 1983-08-02 | 1985-02-14 | Jörn, geb. Roth, Frieda, 7012 Fellbach | RUBBER-METAL SOCKET, IN PARTICULAR FOR THE STORAGE OF A STABILIZER ON A MOTOR VEHICLE |
| CN101311584B (en) * | 2008-04-01 | 2011-07-20 | 胡年丰 | Shock resistance axial seal device for screw shaft of ship |
| CN105889327A (en) * | 2015-01-26 | 2016-08-24 | 株洲时代新材料科技股份有限公司 | Composite bearing bush strip |
| CN204647323U (en) * | 2015-05-28 | 2015-09-16 | 东营海森密封技术有限责任公司 | A kind of liquid film non-contacting sealing structure |
-
2019
- 2019-01-15 CN CN201910034178.0A patent/CN110043668B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB903391A (en) * | 1958-12-01 | 1962-08-15 | Friedrich Stuempfig | Improvements in packings comprising an annular resilient sealing element |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110043668A (en) | 2019-07-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2018059249A1 (en) | Axial lip sealing device for rotating shaft | |
| CN110043668B (en) | Sealing assembly with metal rubber material as sealing element | |
| CN201110379Y (en) | Combined oil seal for rotational shaft | |
| CN201173188Y (en) | Double end-face mechanical sealing structure for high speed screw compressor | |
| CN106286842A (en) | A kind of horizontal reactor axle end sealing device | |
| CN203202254U (en) | Double-eccentric and bidirectional metallic seal butterfly valve | |
| CN206410150U (en) | Submerged slag conveyor external bearings Mechanical Sealed Type inner guide pulley device | |
| CN211344034U (en) | Mechanical sealing device of vapor compressor | |
| CN202611916U (en) | Diamond-like carbon cladding combined-type piston ring | |
| CN201144856Y (en) | Series packaging type welding metal bellows machine sealing apparatus | |
| CN200946673Y (en) | Double-eccentric bi-directional metal seal butterfly valve | |
| CN204533535U (en) | A kind of polytetrafluoroethylreinforced reinforced seal with automatic compensation function | |
| CN201636347U (en) | Rubber sealing butterfly valve | |
| CN208268408U (en) | A kind of multiple lip seal device | |
| CN206419966U (en) | The sealed inner guide pulley device of submerged slag conveyor bearing built-in machines | |
| CN211449852U (en) | High-temperature-resistant dustproof hard-sealing bidirectional eccentric butterfly valve | |
| CN215634980U (en) | Framework oil seal for valve of engine combustion chamber | |
| CN212004364U (en) | High-temperature hard-sealing fixed ball valve with novel structure | |
| CN201723360U (en) | No-heeling moment automatic compensation type high-pressure oil distributing mechanism | |
| CN206753978U (en) | Mechanical sealing device used for pump | |
| CN210509698U (en) | Water pump bearing sleeve | |
| CN205207037U (en) | Split type hydraulic turbine seal ring | |
| CN212899783U (en) | Bidirectional metal sealing flange butterfly valve | |
| CN216078288U (en) | Oil seal device with iron sheath | |
| CN210178929U (en) | PTFE bellows integrated into one piece mechanical seal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |