CN214466081U - Flexible sealing dynamic sealing device and box body with same - Google Patents
Flexible sealing dynamic sealing device and box body with same Download PDFInfo
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- CN214466081U CN214466081U CN202022762239.6U CN202022762239U CN214466081U CN 214466081 U CN214466081 U CN 214466081U CN 202022762239 U CN202022762239 U CN 202022762239U CN 214466081 U CN214466081 U CN 214466081U
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Abstract
The utility model belongs to the technical field of sealing device, the utility model discloses a flexible sealed dynamic seal device and have dynamic seal device's box. The flexible sealing dynamic sealing device comprises a cylindrical body, wherein the cylindrical body comprises a plurality of ports, a plurality of O-shaped rings are arranged at the edges of the ports, and the O-shaped rings and the cylindrical body are made of flexible materials. The sealing device has the advantages of simple structure and low cost.
Description
Technical Field
The utility model relates to a sealing device technical field, concretely relates to flexible sealing's dynamic seal device and have dynamic seal device's box.
Background
The description of the background art pertaining to the present invention is provided for the purpose of illustration and understanding only, and is not intended to be construed as an admission that the applicant specifically believes or is believed to be the prior art in the filing date of the first filing date of the present invention.
The sealing design is an indispensable important link in the design of electromechanical equipment, various electromechanical equipment can be influenced by external environmental factors such as humidity, temperature, dirt, corrosive gas and the like during operation, so that the mechanical and electrical properties of the equipment are influenced, and the sealing technology can isolate main equipment elements from the external environment, for example, a conductor and some high-voltage elements of high-voltage switch equipment are completely isolated from the external environment, so that the influences of damp heat, condensation, air pollution and the like caused by weather and environmental change are avoided. The operation of the equipment is not influenced by the external environment, so that the normal mechanical and electrical properties of the equipment are ensured, and the safety operation of the electromechanical equipment is very important. Some electromechanical devices such as SF6 gas-filled switchgear are low-pressure and even zero gauge pressure electrical devices, and need a gas box type structural design, conductors and some high-voltage elements in the high-voltage switchgear are designed in a gas box, and are completely isolated from the external environment, so that the influences of damp heat, condensation, air pollution and the like caused by weather and environmental changes are avoided, and some mechanical box type elements need to be sealed by a mechanical operating mechanism, belong to hermetic sealing, and only need to keep a relatively stable sealed environment in the box, so that the elements are prevented from being influenced by the pollutants such as moisture, corrosive gas, dust and the like in the environment. These box-like sealing elements have devices that need to penetrate the box and move relative to the box during operation, requiring the design of a dynamic seal.
The existing dynamic seal design generally comprises various sealing ring seals, magnetic fluid seals and bellows seals. The structure of the sealing ring needs to select a proper sealing ring, process a proper groove for placing the sealing ring, and design auxiliary structures such as a check ring and the like; the magnetic fluid seal is developed on the basis of magnetic fluid, when the magnetic fluid is injected into the gap of a magnetic field, the magnetic fluid can fill the whole gap to form a liquid O-shaped seal ring; the corrugated pipe seal is formed by welding a metal corrugated pipe and a related part, and the corrugated pipe moves along with the movement of the moving part when the metal corrugated pipe moves.
In the prior art, dynamic seal designs of various seal rings are most common, but the seal structure generally has large action resistance when relative motion is generated between parts, complex structural design and high processing difficulty; although the magnetic fluid seal is reliable, the price is high, and the magnetic fluid seal is easy to lose efficacy; the bellows seal needs welding or crimping to fix two ends, so that the cost is high and the process requirement is high.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a flexible seal's dynamic seal device and have dynamic seal device's box is provided. The flexible sealing dynamic sealing device has the advantages of simple structure and low cost.
The utility model aims at realizing through the following technical scheme:
the utility model provides a flexible seal's dynamic seal device, includes the tube-shape body, the tube-shape body include a plurality of ports, it is a plurality of the edge of port be equipped with O type circle, O type circle and tube-shape body material be flexible material.
Further, the method comprises the following steps: the cylinder-shaped body be both ends open-ended tubular structure, the first end edge of cylinder-shaped body be equipped with first O type circle, the second end edge of cylinder-shaped body be equipped with second O type circle, first 0 type circle, second O type circle and cylinder-shaped body material be flexible material.
Further, the diameter of the first end of the cylindrical body is larger than the diameter of the second end of the cylindrical body.
Furthermore, the cylindrical body is integrally formed with the first O-shaped ring and the second O-shaped ring.
Furthermore, the flexible material is rubber.
In another aspect, a housing with a flexible seal dynamic seal includes: the flexible sealing device is the flexible sealing device, the box body is provided with a hole communicated with the outside, the edge of the inner side of the hole is provided with an annular sealing seat, and the outer side of the annular sealing seat is provided with a first annular groove; the moving part is arranged in the hole in a penetrating mode, a second annular groove is formed in the part, located in the box body, of the moving part, the first O-shaped ring is sleeved on the first annular groove, and the second O-shaped ring is sleeved on the second annular groove.
Borrow by above-mentioned scheme, the utility model discloses possess following beneficial effect at least:
the flexible sealing dynamic sealing device of the utility model can be used in various motion modes, not only in relative motion of hole shafts, but also in other modes of shaking, swinging and the like, between two parts, and among a plurality of parts; the sealing element has no resistance to relative movement, when the sealing element moves relatively, one end of the sealing element moves along with the moving element, the cylindrical sealing film automatically stretches along with the sealing element, and the sealing element does not generate additional resistance in the whole process; the flexible sealing dynamic sealing device of the utility model has convenient installation and simple structure, and the sealing element only needs to sleeve the O-shaped rings at the two ends into the corresponding slots without additional accessories for pressing, positioning, fixing and the like; the utility model discloses a flexible seal's dynamic seal device is with low costs, this sealing member simple structure, and is small, and the material is ordinary, and is with low costs.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described as follows:
fig. 1 is a schematic structural diagram of a box body of a dynamic sealing device with a flexible seal in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a flexible sealing dynamic sealing device according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following examples, which should be understood by those skilled in the art to understand the technical solutions of the present invention more easily, and should not be taken as a limitation of the protection scope of the present invention.
In the following description, the terms "first" and "second" are used for descriptive purposes only and are not intended to indicate or imply relative importance. The following description provides embodiments of the invention, which may be combined or substituted for various embodiments, and is intended to include all possible combinations of the same and/or different embodiments described herein. Thus, if one embodiment includes feature A, B, C and another embodiment includes feature B, D, the invention should also be construed as including embodiments that include all other possible combinations of one or more of A, B, C, D, even though such embodiments may not be explicitly recited in the following text.
With reference to fig. 1 and 2, the flexible sealing dynamic sealing device comprises a cylindrical body 301, wherein the cylindrical body 301 comprises a plurality of ports, O-rings are arranged on the edges of the plurality of ports, and the O-rings and the cylindrical body 301 are made of flexible materials.
In some embodiments of the present invention, include: the cylindrical body 301 is of a cylindrical structure with openings at two ends, a first O-shaped ring 302 is arranged on the edge of the first end of the cylindrical body 301, a second O-shaped ring 303 is arranged on the edge of the second end of the cylindrical body, and the first 0-shaped ring 302, the second O-shaped ring 303 and the cylindrical body 301 are made of flexible materials.
A flexible connected dynamic sealing device 3 is made of rubber high elastic material, the shape is a cylinder with two ends (or multiple ends) opened, the end opening is designed into an O-shaped ring structure with larger elasticity, the middle is communicated through a cylinder thin film structure with high elasticity and flexibility made of the same material, a dynamic part and a static part needing dynamic sealing are provided with annular grooves, the O-shaped ring of the dynamic sealing element is sleeved into the grooves, and the O-shaped ring is tightly matched with the grooves after being contracted and can move together with the moving element to realize sealing.
The utility model discloses a move seal structure, the main part is the cylinder that both ends are the middle seal membrane that is of O type circle, has high elasticity and pliability.
The cylindrical sealing element is formed by injection molding of rubber high-elasticity materials through a mold. The two ends of the sealing element are open, the opening part is designed into an O-shaped ring structure, and the middle of the sealing element is connected with a cylindrical rubber membrane.
In some embodiments of the present invention, the diameter of the first end of the cylindrical body 301 is larger than the diameter of the second end of the cylindrical body. The size of each port is not limited, and is specifically determined according to the size of the seal groove on the moving and static members.
In some embodiments of the present invention, the cylindrical body 301 is integrally formed with the first and second O- rings 302 and 303. Of course, other embodiments may also be possible, such as different materials for the O-ring and the body, and welding, adhesion, etc. may be required.
In some embodiments of the present invention, the flexible material is rubber. The material used herein is only a preferable material, and is not particularly limited.
Here, it is to be noted that: the tubular body 301 of the sealing device 3 is preferably a tubular structure with a larger diameter in the middle than at both ends, so that the distance of stretching during movement can be longer.
A housing with a flexible seal dynamic seal, comprising: the flexible sealing device 3 is the flexible sealing device, the box body 1 is provided with a hole communicated with the outside, the edge of the inner side of the hole is provided with an annular sealing seat 2, and the outer side of the annular sealing seat 2 is provided with a first annular groove; the moving part 4 penetrates through the hole, a second annular groove is formed in the part, located in the box body 1, of the moving part 4, the first O-shaped ring 302 is sleeved on the first annular groove, and the second O-shaped ring 303 is sleeved on the second annular groove.
The box body 1 is a box body needing to be sealed, the box body 1 and the sealing seat 2 are welded together in a sealing way, during installation, two O-shaped rings of the sealing element 3 are respectively sleeved in annular grooves of the sealing seat 2 needing to be sealed and the moving element 4, because the two O-shaped rings have higher elasticity, the O-shaped rings can be tightly combined with the annular grooves of the sealing seat 2 and the moving element 4 after being contracted, when parts needing to be dynamically sealed have axial, rotary and radial relative motions, and when the motion amplitude is in the size range of a middle cylindrical film, the dynamic sealing can be realized
The design structure is simple, no resistance exists when relative movement is carried out between parts, no accessories such as fixing, positioning and pressing are needed to be additionally arranged, and the air sealing device is suitable for air sealing occasions with low requirements on sealing degree.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The flexible sealing dynamic sealing device is characterized by comprising a cylindrical body, wherein the cylindrical body comprises a plurality of ports, an O-shaped ring is arranged at the edge of each port, and the O-shaped ring and the cylindrical body are made of flexible materials.
2. The flexible seal dynamic seal of claim 1, comprising: the cylinder-shaped body be both ends open-ended tubular structure, the first end edge of cylinder-shaped body be equipped with first O type circle, the second end edge of cylinder-shaped body be equipped with second O type circle, first O type circle, second O type circle and cylinder-shaped body material be flexible material.
3. The flexible seal dynamic seal of claim 2, wherein said first end of said cylindrical body has a diameter greater than a diameter of said second end of said cylindrical body.
4. The flexible seal dynamic seal of claim 2, wherein said cylindrical body is integrally formed with said first and second O-rings.
5. The flexible seal dynamic seal of claim 2, wherein the flexible material is rubber.
6. The utility model provides a box with flexible seal's dynamic seal device which characterized in that includes: the flexible sealing dynamic sealing device is the flexible sealing dynamic sealing device in any one of claims 1 to 5, the box body is provided with a hole communicated with the outside, the inner edge of the hole is provided with an annular sealing seat, and the outer side of the annular sealing seat is provided with a first annular groove; the moving part is arranged in the hole in a penetrating mode, a second annular groove is formed in the part, located in the box body, of the moving part, the first O-shaped ring is sleeved on the first annular groove, and the second O-shaped ring is sleeved on the second annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022762239.6U CN214466081U (en) | 2020-11-25 | 2020-11-25 | Flexible sealing dynamic sealing device and box body with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022762239.6U CN214466081U (en) | 2020-11-25 | 2020-11-25 | Flexible sealing dynamic sealing device and box body with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214466081U true CN214466081U (en) | 2021-10-22 |
Family
ID=78184193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022762239.6U Active CN214466081U (en) | 2020-11-25 | 2020-11-25 | Flexible sealing dynamic sealing device and box body with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214466081U (en) |
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2020
- 2020-11-25 CN CN202022762239.6U patent/CN214466081U/en active Active
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