CN221075212U - High-toughness polytetrafluoroethylene hydraulic sealing element - Google Patents
High-toughness polytetrafluoroethylene hydraulic sealing element Download PDFInfo
- Publication number
- CN221075212U CN221075212U CN202322727220.1U CN202322727220U CN221075212U CN 221075212 U CN221075212 U CN 221075212U CN 202322727220 U CN202322727220 U CN 202322727220U CN 221075212 U CN221075212 U CN 221075212U
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- main
- polytetrafluoroethylene
- sealing
- sealing shell
- toughness
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- 238000007789 sealing Methods 0.000 title claims abstract description 121
- 229920001343 polytetrafluoroethylene Polymers 0.000 title claims abstract description 36
- 239000004810 polytetrafluoroethylene Substances 0.000 title claims abstract description 36
- -1 polytetrafluoroethylene Polymers 0.000 title claims abstract description 35
- 230000000694 effects Effects 0.000 description 13
- 239000007788 liquid Substances 0.000 description 6
- 229920000049 Carbon (fiber) Polymers 0.000 description 5
- 239000004917 carbon fiber Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Sealing Material Composition (AREA)
Abstract
The application relates to the field of sealing elements, and discloses a high-toughness polytetrafluoroethylene hydraulic sealing element. According to the application, the hinge is fixedly connected to the outer surface of one end of the main sealing shell, the auxiliary sealing shell is fixedly connected to the outer surface corresponding to the hinge, the screw is movably connected to the outer surface of one end of the main sealing shell, which is far away from the hinge, of the main sealing shell, and the nut is movably connected to the outer surface of the screw.
Description
Technical Field
The application belongs to the technical field of sealing elements, and particularly relates to a high-toughness polytetrafluoroethylene hydraulic sealing element.
Background
Polytetrafluoroethylene is commonly called as "plastic king", which is a high molecular polymer prepared by polymerizing tetrafluoroethylene as a monomer, and has the characteristics of acid resistance, alkali resistance and resistance to various organic solvents, and is almost insoluble in all solvents. Meanwhile, polytetrafluoroethylene has the characteristic of high temperature resistance, and has extremely low friction coefficient, so the polytetrafluoroethylene can be used for lubrication, and also becomes an ideal paint for easily cleaning the inner layer of the water pipe.
For high toughness Polytetrafluoroethylene (PTFE) hydraulic seals, the toughness and strength are increased by adding fillers to the polytetrafluoroethylene. Common fillers include glass fibers, carbon fibers, graphite and the like, which can effectively improve the mechanical properties of polytetrafluoroethylene; the incorporation of a reinforcing layer, such as a metal foil or mesh structure, into the structure of the polytetrafluoroethylene seal to enhance its strength and tensile properties; the design and construction of the seal is optimized to minimize stress concentrations and shear stresses, thereby improving its toughness and durability, according to the practical application requirements.
The utility model discloses a polytetrafluoroethylene sealing element with good sealing effect, and relates to the technical field of sealing elements, wherein the polytetrafluoroethylene sealing element comprises a fixing device, a sealing base, a clamping device, a connecting device and a limiting device, the fixing device comprises a sealing gasket and a connecting bolt, the sealing gasket is of a circular plate-shaped structure, the sealing base comprises a bottom plate and a supporting cylinder, the lower surface of the bottom plate is connected with the upper surface of the sealing gasket, and a plurality of openings are formed in the lower surface of the sealing gasket. According to the polytetrafluoroethylene sealing element with good sealing effect, the fixing opening can clamp the device matched with the sealing element, the sealing performance is greatly enhanced, the limiting groove frame limits the position of equipment connected with the sealing element, the sealing performance is enhanced, the rubber ring protects the inside of the sealing element in the connecting process and enhances the tightness of connection with other equipment, the first sealing ring and the second sealing ring enhance the external sealing effect of the sealing element, and the polytetrafluoroethylene is used as a sealing main body material to enable the sealing element to be environment-friendly and resistant to high temperature.
However, in this application, only one sealing condition is completed, and sealing conditions in various complicated conditions cannot be satisfied.
Disclosure of utility model
The application aims at: in order to solve the problem that the sealing under one condition can only be completed and the sealing condition under a plurality of complex conditions can not be met, the high-toughness polytetrafluoroethylene hydraulic sealing piece is provided.
The technical scheme adopted by the application is as follows: the utility model provides a high toughness polytetrafluoroethylene hydraulic seal spare, includes main seal housing, main seal housing one end surface fixedly connected with hinge, the surface fixedly connected with that hinge corresponds with main seal housing assists seal housing, main seal housing keeps away from hinge one end surface swing joint and has the screw, screw surface swing joint has the nut.
Through adopting above-mentioned technical scheme, during the use, main seal shell in the equipment, assist seal shell main part and adopt polytetrafluoroethylene to fill carbon fiber, feasible variable effect has been strengthened in the time of improving the mechanization, form the main body shell that is fit for hydraulic seal spare, under the annular circumstances that needs urgent sealing position such as water pipe, main seal shell, assist seal shell fold under the effect of hinge, screw, the nut is screwed up, form annular hydraulic seal ring, the whole theory of action is simple, the effect is obvious, can cooperate a plurality of uses in different complex environments, the combination is various, the suitability is strong, repeatedly usable, be fit for urgent temporary sealing shutoff when various pipelines and hydraulic machinery come not to trade, avoid causing bigger loss.
In a preferred embodiment, the inner surface of the main seal housing is fixedly connected with a main seal ring, and the inner surface of the auxiliary seal housing is also fixedly connected with a main seal ring.
Through adopting above-mentioned technical scheme, the main part of main sealing ring adopts polytetrafluoroethylene, and inside sets up netted aluminum alloy reinforcement, improves its intensity and stretch-proofing performance in the time of can deforming, avoids high-density hydraulic impact to cause large tracts of land deformation when sealed simultaneously to polytetrafluoroethylene of high toughness causes to the durability reduces.
In a preferred embodiment, the outer surface of the main sealing shell is welded with a side connecting block, and the outer surface of the side of the auxiliary sealing shell corresponding to the side connecting block is also welded with a side connecting block.
Through adopting above-mentioned technical scheme, the side connecting block adopts the rotatory joint structure of pipeline side direction commonly used, can connect fixedly at the port that needs sealing member, accomplishes the passageway connection of liquid.
In a preferred embodiment, the inner pressure connecting block is welded on the outer surface of the main sealing shell, and the inner pressure connecting block is welded on the outer surface of the side of the auxiliary sealing shell corresponding to the inner pressure connecting block.
Through adopting above-mentioned technical scheme, interior pressure connecting block adopts the rotatory joint structure of the inboard commonly used of pipeline, can connect fixedly at the port that needs the sealing member, accomplishes the passageway connection of liquid.
In a preferred embodiment, a main fixing rod is movably connected to the outer side of the main sealing shell at the position of the protruding surface, and a limiting block is welded on the upper surface of the main fixing rod.
Through adopting above-mentioned technical scheme, main dead lever outside radius slightly is greater than at main seal housing department inboard radius, through knocking or main seal housing junction heating can, from top to bottom and rotatory, finds suitable position, accomplishes the seal in required position, and the stopper guarantees that main seal housing is unlikely to break away from main dead lever, accomplishes spacingly.
In a preferred embodiment, the outer convex surface of the main seal housing is welded with an auxiliary fixing rod corresponding to the position of the main fixing rod.
By adopting the technical scheme, the auxiliary fixing rod assists the main fixing rod to seal the other end position, so that various component combination effects are achieved.
In a preferred embodiment, the auxiliary fixing rod is movably connected with fixing nails corresponding to the outer surface of the main fixing rod, and the fixing nails penetrate through the main fixing rod, are arranged at the inner sides of the auxiliary fixing rod and are arranged at the two sides of the auxiliary fixing rod.
Through adopting above-mentioned technical scheme, the staple inserts the inboard when main dead lever and auxiliary dead lever card, accomplishes the stability of fixed assurance equipment.
In a preferred embodiment, the upper and lower sides of the main sealing shell are movably connected with positioning rings corresponding to the surfaces of the main sealing rings, and connecting pipes are fixedly connected between the surfaces of the positioning rings.
Through adopting above-mentioned technical scheme, go on the sealed liquid of equipment sealing department whole position space's sealing after main dead lever and auxiliary dead lever are fixed to holding ring, connecting pipe, increase the sealed application scenario of equipment.
In summary, due to the adoption of the technical scheme, the beneficial effects of the application are as follows:
In the application, when the sealing device is used, the main sealing shell and the auxiliary sealing shell in the device are made of polytetrafluoroethylene filled carbon fibers, the mechanical property is improved, the feasible variable effect is enhanced, the main sealing shell suitable for hydraulic sealing elements is formed, the main sealing shell and the auxiliary sealing shell are folded under the action of the hinge under the condition that the annular shape such as a water pipe needs an emergency sealing position, and screws and nuts are screwed down to form an annular hydraulic sealing ring.
Drawings
FIG. 1 is a schematic view of the structural configuration of the present application;
FIG. 2 is a schematic diagram of a fastening structure according to the present application;
FIG. 3 is a schematic view of a rotating structure according to the present application;
Fig. 4 is a schematic view of a device connection structure according to the present application.
The marks in the figure: 1. a main seal housing; 2. an auxiliary sealing shell; 3. a hinge; 4. a screw; 5. a nut; 6. a primary seal ring; 7. a side connecting block; 8. internal pressure connecting blocks; 9. a main fixing rod; 10. an auxiliary fixing rod; 11. fixing nails; 12. a positioning ring; 13. a connecting pipe; 14. and a limiting block.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions in the embodiments of the present application will be clearly and completely described in the following in conjunction with the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Examples:
Referring to fig. 1-3, a high-toughness polytetrafluoroethylene hydraulic seal piece comprises a main seal shell 1, wherein a hinge 3 is fixedly connected to the outer surface of one end of the main seal shell 1, an auxiliary seal shell 2 is fixedly connected to the outer surface of the hinge 3 corresponding to the main seal shell 1, a screw 4 is movably connected to the outer surface of one end, far away from the hinge 3, of the main seal shell 1, and a nut 5 is movably connected to the outer surface of the screw 4.
When the sealing device is used, the main sealing shell 1 and the auxiliary sealing shell 2 in the device are made of polytetrafluoroethylene filled carbon fibers, the mechanical property is improved, the feasible effect is enhanced, the main sealing shell suitable for hydraulic sealing elements is formed, the main sealing shell 1 and the auxiliary sealing shell 2 are folded under the action of the hinge 3 under the condition that the emergency sealing position is needed in the annular shape of a water pipe and the like, the screw 4 and the nut 5 are screwed down, the annular hydraulic sealing ring is formed, the whole action principle is simple, the effect is obvious, the sealing device can be matched with a plurality of sealing devices to be used in different complex environments, the sealing device is various in combination, the sealing device is high in applicability, can be repeatedly used, is suitable for emergency temporary sealing and sealing when various pipelines and hydraulic machines are not used for replacement, and avoids causing larger loss.
Referring to fig. 1-3, the inner surface of the main seal housing 1 is fixedly connected with a main seal ring 6, and the inner surface of the auxiliary seal housing 2 is also fixedly connected with the main seal ring 6.
Main part adoption polytetrafluoroethylene of main sealing ring 6, inside set up netted aluminum alloy reinforcement, improve its intensity and stretch-proofing performance in the time of can deforming, avoid high-density hydraulic shock to cause large tracts of land deformation when sealed simultaneously by high toughness polytetrafluoroethylene to the durability reduces.
Referring to fig. 1 to 3, the outer surface of the main seal housing 1 is welded with a side connection block 7, and the outer surface of the side of the auxiliary seal housing 2 corresponding to the side connection block 7 is also welded with the side connection block 7.
The side connecting block 7 adopts a common side rotating clamping structure of a pipeline, and can be connected and fixed at a port needing a sealing element to complete the channel connection of liquid.
Referring to fig. 1 to 3, an internal pressure connection block 8 is welded to the outer surface of the main seal housing 1, and an internal pressure connection block 8 is welded to the outer surface of the auxiliary seal housing 2 corresponding to one side of the internal pressure connection block 8.
The internal pressure connecting block 8 adopts a common inner side rotary clamping structure of a pipeline, and can be connected and fixed at a port needing a sealing element to complete the channel connection of liquid.
Referring to fig. 1-3, a main fixing rod 9 is movably connected to the outer side of the main sealing shell 1 at a convex surface position, and a limiting block 14 is welded on the upper surface of the main fixing rod 9.
The radius of the outer side of the main fixing rod 9 is slightly larger than the radius of the inner side of the main sealing shell 1, the main sealing shell 1 can be heated up and down and rotated through knocking or the joint of the main sealing shell 1, a proper position is found, the sealing of a needed position is completed, and the limiting block 14 ensures that the main sealing shell 1 is not separated from the main fixing rod 9, and limiting is completed.
Referring to fig. 1 to 3, an auxiliary fixing rod 10 is welded on the outer convex surface of the main seal housing 1 at a position corresponding to the main fixing rod 9.
The auxiliary fixing rod 10 assists the main fixing rod 9 to seal the other end position, so as to achieve the effect of combining various parts.
Referring to fig. 1-3, the auxiliary fixing rod 10 is movably connected with fixing nails 11 corresponding to the outer surface of the main fixing rod 9, and the fixing nails 11 penetrate through the main fixing rod 9, are arranged at the inner sides of the auxiliary fixing rod 10 and are arranged at the two sides of the auxiliary fixing rod 10.
The fixing nails 11 are inserted into the inner sides when the main fixing rod 9 and the auxiliary fixing rod 10 are clamped, and the fixing is completed to ensure the stability of the equipment.
Referring to fig. 4, positioning rings 12 are movably connected to the surfaces of the upper and lower sides of the main seal housing 1 corresponding to the main seal ring 6, and connecting pipes 13 are fixedly connected to the surfaces between the positioning rings 12.
After the fixing of the main fixing rod 9 and the auxiliary fixing rod 10 is completed, the positioning ring 12 and the connecting pipe 13 seal the whole position space of the liquid at the sealing position of the equipment, so that the application scene of the equipment sealing is increased.
The implementation principle of the embodiment of the high-toughness polytetrafluoroethylene hydraulic sealing element is as follows:
When the sealing device is used, the main sealing shell 1 and the auxiliary sealing shell 2 in the device are made of polytetrafluoroethylene filled carbon fibers, the mechanical property is improved, the feasible effect is enhanced, the main sealing shell suitable for hydraulic sealing elements is formed, the main sealing shell 1 and the auxiliary sealing shell 2 are folded under the action of the hinge 3 under the condition that the emergency sealing position is needed in the annular shape of a water pipe and the like, the screw 4 and the nut 5 are screwed down, the annular hydraulic sealing ring is formed, the whole action principle is simple, the effect is obvious, the sealing device can be matched with a plurality of sealing devices to be used in different complex environments, the sealing device is various in combination, the sealing device is high in applicability, can be repeatedly used, is suitable for emergency temporary sealing and sealing when various pipelines and hydraulic machines are not used for replacement, and avoids causing larger loss.
The above embodiments are only for illustrating the technical solution of the present application, and are not limiting; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims (8)
1. High-toughness polytetrafluoroethylene hydraulic seal, including main seal housing (1), its characterized in that: the novel sealing device is characterized in that a hinge (3) is fixedly connected to one end outer surface of the main sealing shell (1), an auxiliary sealing shell (2) is fixedly connected to the outer surface of the hinge (3) corresponding to the main sealing shell (1), a screw (4) is movably connected to the outer surface of one end, far away from the hinge (3), of the main sealing shell (1), and a nut (5) is movably connected to the outer surface of the screw (4).
2. A high-toughness polytetrafluoroethylene hydraulic seal as defined in claim 1, wherein: the inner surface of the main sealing shell (1) is fixedly connected with a main sealing ring (6), and the inner surface of the auxiliary sealing shell (2) is also fixedly connected with the main sealing ring (6).
3. A high-toughness polytetrafluoroethylene hydraulic seal as defined in claim 1, wherein: the outer surface of the main sealing shell (1) is welded with a side connecting block (7), and the outer surface of the side of the auxiliary sealing shell (2) corresponding to the side connecting block (7) is also welded with the side connecting block (7).
4. A high-toughness polytetrafluoroethylene hydraulic seal as defined in claim 1, wherein: the external surface of the main sealing shell (1) is welded with an internal pressure connecting block (8), and the external surface of one side of the auxiliary sealing shell (2) corresponding to the internal pressure connecting block (8) is also welded with the internal pressure connecting block (8).
5. A high-toughness polytetrafluoroethylene hydraulic seal as defined in claim 1, wherein: the main fixing rod (9) is movably connected to the position of the protruding surface of the outer side of the main sealing shell (1), and a limiting block (14) is welded on the upper surface of the main fixing rod (9).
6. A high-toughness polytetrafluoroethylene hydraulic seal as defined in claim 1, wherein: auxiliary fixing rods (10) are welded on the outer side convex surfaces of the main sealing shell (1) corresponding to the positions of the main fixing rods (9).
7. A high-toughness polytetrafluoroethylene hydraulic seal according to claim 6 wherein: the auxiliary fixing rod (10) is movably connected with fixing nails (11) corresponding to the outer surface of the main fixing rod (9), and the fixing nails (11) penetrate through the main fixing rod (9) and the inner sides of the auxiliary fixing rod (10) to be installed on two sides of the auxiliary fixing rod (10).
8. A high-toughness polytetrafluoroethylene hydraulic seal as defined in claim 1, wherein: the upper side and the lower side of the main sealing shell (1) are movably connected with positioning rings (12) corresponding to the surfaces of the main sealing rings (6), and connecting pipes (13) are fixedly connected between the surfaces of the positioning rings (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322727220.1U CN221075212U (en) | 2023-10-11 | 2023-10-11 | High-toughness polytetrafluoroethylene hydraulic sealing element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322727220.1U CN221075212U (en) | 2023-10-11 | 2023-10-11 | High-toughness polytetrafluoroethylene hydraulic sealing element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221075212U true CN221075212U (en) | 2024-06-04 |
Family
ID=91257366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322727220.1U Active CN221075212U (en) | 2023-10-11 | 2023-10-11 | High-toughness polytetrafluoroethylene hydraulic sealing element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221075212U (en) |
-
2023
- 2023-10-11 CN CN202322727220.1U patent/CN221075212U/en active Active
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