CN211550527U - Shaft rotating tetrafluoroethylene sealing element - Google Patents
Shaft rotating tetrafluoroethylene sealing element Download PDFInfo
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- CN211550527U CN211550527U CN201922273292.7U CN201922273292U CN211550527U CN 211550527 U CN211550527 U CN 211550527U CN 201922273292 U CN201922273292 U CN 201922273292U CN 211550527 U CN211550527 U CN 211550527U
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- tetrafluoroethylene
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Abstract
The utility model relates to an axle is with rotatory tetrafluoroethylene sealing member, including O type circle and slip ring, O type circle and the setting of slip ring mutual contact, the cross section of slip ring is the rectangle structure setting, and first recess has been seted up at the top of slip ring, and the cross section of first recess is the structure setting of falling the trapezium, and O type circle contacts the setting with the base of first recess, and a plurality of second recess has been seted up to the bottom of slip ring, and the bottom both sides of slip ring are provided with first chamfer and second chamfer respectively. The utility model has the advantages that the structure is arranged by the mutual contact of the O-shaped ring and the sliding ring, the friction is low, the side high pressure resistance is realized, the high temperature resistance and the corrosion resistance are good, and the O-shaped ring is mainly used for rotary joints of engineering machinery and metallurgical machinery; the structure that the first groove formed in the top of the sliding ring is in contact with the O-shaped ring makes the anti-extrusion capacity between the O-shaped ring and the sliding ring stronger.
Description
Technical Field
The utility model relates to a rotation axis mechanical seal technical field that is relevant especially relates to an axle is with rotatory tetrafluoroethylene sealing member.
Background
With the development of modern industry, the complexity of working conditions and the appearance of various hydraulic or pneumatic devices, the importance of mechanical device sealing is self-evident, and the importance of the mechanical device sealing is critical in industrial production, which determines the transmission performance of fluid and gas and the quality of sealing products in industrial automation. The rotary sealing element for the shaft in the prior art generally has larger friction coefficient and poorer high-pressure resistance, high-temperature resistance and corrosion resistance.
In view of the above-mentioned drawbacks, the present inventors have made active research and innovation to create a rotary tetrafluoroethylene sealing member for shaft, which has industrial application value.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model aims at providing an axle is with rotatory tetrafluoroethylene sealing member.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an axle is with rotatory tetrafluoroethylene sealing member, includes O type circle and slip ring, and O type circle and slip ring contact each other set up, and the cross section of slip ring is the rectangle structure setting, and first recess has been seted up at the top of slip ring, and the cross section of first recess sets up for falling the trapezium structure, and O type circle contacts the setting with the base of first recess, and a plurality of second recess has been seted up to the bottom of slip ring, and the bottom both sides of slip ring are provided with first chamfer and second chamfer respectively.
As a further improvement of the utility model, the length of the cross section of the sliding ring is larger than the outer diameter of the cross section of the O-shaped ring.
As a further improvement of the utility model, the length of the opening part of the first groove is smaller than the outer diameter of the cross section of the O-shaped ring.
As a further improvement, the number of the second grooves is 1-5.
As a further improvement of the present invention, the number of the second grooves is 2.
As a further improvement of the utility model, the cross section of the second groove is a triangular groove structure.
As a further improvement, the cross section of the second groove is arranged in a circular arc groove structure.
As a further improvement of the utility model, the first chamfer and the second chamfer are 45 degrees angles.
As a further improvement of the utility model, the O-shaped ring is a nitrile rubber or a fluorine rubber sealing ring.
As a further improvement of the utility model, the slip ring is a tetrafluoroethylene slip ring.
Borrow by above-mentioned scheme, the utility model discloses at least, have following advantage:
the rotary tetrafluoroethylene sealing element for the shaft is provided with a structure through mutual contact of the O-shaped ring and the sliding ring, has low friction, high side pressure resistance and good high temperature and corrosion resistance, and is mainly used in rotary joints of engineering machinery and metallurgical machinery; the anti-extrusion capacity between the O-shaped ring and the sliding ring is stronger through the structure that the first groove formed in the top of the sliding ring is in contact with the O-shaped ring; a plurality of second grooves are formed in the bottom of the sliding ring, so that a certain gap is formed between the sliding ring and the sealing section, and the sealing element is higher in impact resistance.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural view of a first embodiment of a rotary tetrafluoroethylene sealing member for a shaft according to the present invention;
fig. 2 is a schematic structural diagram of a second embodiment of the rotary tetrafluoroethylene sealing member for shaft according to the present invention.
In the drawings, the meanings of the reference numerals are as follows.
1O-shaped ring 2 sliding ring
3 first groove 4 first chamfer
5 second recess 6 second chamfer
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In order to make the technical solution of the present invention better understood, the technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
As shown in figures 1-2 of the drawings,
the utility model provides an axle is with rotatory tetrafluoroethylene sealing member, includes O type circle 1 and slip ring 2, and O type circle 1 and slip ring 2 contact each other and set up, and the cross section of slip ring 2 sets up for the rectangle structure, and first recess 3 has been seted up at the top of slip ring 2, and the cross section of first recess 3 sets up for falling the trapezium structure, and O type circle 1 contacts the setting with the base of first recess 3, and a plurality of second recess 5 has been seted up to the bottom of slip ring 2, and the bottom both sides of slip ring 2 are provided with first chamfer 4 and second chamfer 6 respectively.
Preferably, the length of the cross-section of the sliding ring 2 is greater than the outer diameter of the cross-section of the O-ring 1.
Preferably, the length of the opening of the first groove 3 is smaller than the outer diameter of the cross section of the O-ring 1.
Preferably, the number of the second grooves 5 is 1-5.
Preferably, the number of the second grooves 5 is 2.
As shown in fig. 1, the first embodiment of the present invention: preferably, the cross section of the second groove 5 is arranged in a triangular groove structure. More preferably, the triangular grooves have an included angle of 60 degrees.
As shown in fig. 2, the second embodiment of the present invention: preferably, the cross section of the second groove 5 is arranged in a circular arc groove structure.
Preferably, the first chamfer 4 and the second chamfer 6 are both 45 degrees.
Preferably, the O-ring 1 is a nitrile rubber or fluorine rubber sealing ring.
Preferably, the slip ring 2 is a tetrafluoroethylene slip ring.
The rotary tetrafluoroethylene sealing element for the shaft is provided with a structure through mutual contact of the O-shaped ring 1 and the sliding ring 2, has low friction, high lateral pressure resistance and good high temperature and corrosion resistance, and is mainly used in rotary joints of engineering machinery and metallurgical machinery; through the structure that the first groove 3 formed in the top of the sliding ring 2 is in contact with the O-shaped ring 1, the anti-extrusion capacity between the O-shaped ring 1 and the sliding ring 2 is higher; through the plurality of second recesses 5 that the bottom of slip ring 2 was seted up, can make the slip ring 2 and seal the certain clearance of production between the section for the shock resistance of sealing member is stronger.
The single-acting tetrafluoroethylene piston rod sealing element of the utility model has the working temperature of minus 30 ℃ to minus 100 ℃, the movement speed of 1m/s and the working pressure of 35Mpa, and is mainly used in rotary joints of engineering machinery and metallurgical machinery.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, connected through an intermediate medium, or connected to the inside of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides an axle is with rotatory tetrafluoroethylene sealing member, its characterized in that, includes O type circle (1) and slip ring (2), O type circle (1) and slip ring (2) contact each other and set up, the cross section of slip ring (2) is the rectangle structure setting, first recess (3) have been seted up at the top of slip ring (2), the cross section of first recess (3) sets up for falling the trapezium structure, O type circle (1) contacts the setting with the base of first recess (3), a plurality of second recess (5) have been seted up to the bottom of slip ring (2), the bottom both sides of slip ring (2) are provided with first chamfer (4) and second chamfer (6) respectively.
2. The rotary tetrafluoroethylene seal for shafts according to claim 1, wherein the length of the cross section of the slip ring (2) is greater than the outer diameter of the cross section of the O-ring (1).
3. The rotary tetrafluoroethylene seal for shafts according to claim 1, wherein the length of the opening of the first groove (3) is smaller than the outer diameter of the cross section of the O-ring (1).
4. The rotary tetrafluoroethylene seal according to claim 1, wherein the number of the second grooves (5) is 1 to 5.
5. The rotary tetrafluoroethylene seal according to claim 4, wherein the number of second grooves (5) is 2.
6. The rotary tetrafluoroethylene seal according to claim 1 or 4 or 5, wherein the second groove (5) is provided with a triangular groove structure in cross section.
7. The rotary tetrafluoroethylene seal for shafts according to any one of claims 1, 4 or 5, wherein the cross section of the second groove (5) is provided in a circular arc groove structure.
8. The rotary tetrafluoroethylene seal according to claim 1, wherein the first chamfer (4) and the second chamfer (6) are both at a 45 degree angle.
9. The rotary tetrafluoroethylene seal for shafts according to claim 1, wherein the O-ring (1) is a nitrile rubber or a fluororubber seal.
10. A rotary tetrafluoroethylene seal for shafts according to claim 1, characterized in that the slip ring (2) is a tetrafluoroethylene slip ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922273292.7U CN211550527U (en) | 2019-12-17 | 2019-12-17 | Shaft rotating tetrafluoroethylene sealing element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922273292.7U CN211550527U (en) | 2019-12-17 | 2019-12-17 | Shaft rotating tetrafluoroethylene sealing element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211550527U true CN211550527U (en) | 2020-09-22 |
Family
ID=72507005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922273292.7U Active CN211550527U (en) | 2019-12-17 | 2019-12-17 | Shaft rotating tetrafluoroethylene sealing element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211550527U (en) |
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2019
- 2019-12-17 CN CN201922273292.7U patent/CN211550527U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211209 Address after: 215000 Room 101 and M01, building 3, 3e Industrial Park, No. 18, Chunyao Road, Xiangcheng District, Suzhou City, Jiangsu Province Patentee after: Suzhou Puli Sealing Technology Co.,Ltd. Address before: 215000 No.25 jiangtianli Road, Shengpu Industrial Park, Suzhou City, Jiangsu Province Patentee before: UTEC (SUZHOU) SEALING TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220419 Address after: 215000 No.25 jiangtianli Road, Shengpu Industrial Park, Suzhou City, Jiangsu Province Patentee after: UTEC (SUZHOU) SEALING TECHNOLOGY Co.,Ltd. Address before: 215000 Room 101 and M01, building 3, 3e Industrial Park, No. 18, Chunyao Road, Xiangcheng District, Suzhou City, Jiangsu Province Patentee before: Suzhou Puli Sealing Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right |