CN213981985U - PTFE-coated rubber sealing ring - Google Patents
PTFE-coated rubber sealing ring Download PDFInfo
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- CN213981985U CN213981985U CN202022653475.4U CN202022653475U CN213981985U CN 213981985 U CN213981985 U CN 213981985U CN 202022653475 U CN202022653475 U CN 202022653475U CN 213981985 U CN213981985 U CN 213981985U
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- sealing ring
- sealing
- sealing washer
- ring
- coated rubber
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Abstract
The utility model discloses a PTFE-coated rubber sealing ring, which comprises a mounting ring and a first sealing ring, wherein a second sealing ring is fixedly embedded on the upper surface of the mounting ring, a first sealing ring is fixedly embedded on the upper surface of the second sealing ring, an end gasket is arranged on the upper surface of the first sealing ring, and a through hole is arranged at the top end of the end gasket, the utility model can effectively reduce the impact force of water flow through the layered arrangement of the first sealing lip and the second sealing lip, and a movable gap is arranged between the first sealing ring and the second sealing ring, so that the sealing ring can have a certain gap to release the impact force given by the water flow after being deformed by force, and the sealing ring can not fall off due to the impact force, thereby improving the sealing effect of the sealing ring, and a buffer zone is arranged in the first sealing ring, so that the water flow in the sealing ring can rapidly flow, reduce the impact of rivers to the sealing washer, improve the stability of this sealing washer.
Description
Technical Field
The utility model belongs to the technical field of rubber seal is relevant, concretely relates to PTFE coated rubber seal.
Background
The selection of the sealing ring material has important significance on the sealing performance and the service life of the sealing ring, the performance of the material directly influences the use performance of the sealing ring, and the prior art has the following problems: the existing rubber sealing ring has the defects of unobvious effect, short service life, easy damage, poor air tightness, low impact resistance, easy abrasion, inconvenience for production, delay of production time, and reduction of machine performance and production efficiency.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a tetrafluoro coated rubber seal to solve the current rubber seal effect that proposes in the above-mentioned background art not very obvious and life is not long, damage easily, the gas tightness is relatively poor, and shock resistance is lower, is worn and torn easily, has brought inconvenience for production, has delayed production time, has reduced machine performance and production efficiency's problem.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a tetrafluoro coated rubber seal, includes collar and first sealing washer, the last fixed surface embedding of collar has the second sealing washer, the last fixed surface embedding of second sealing washer has first sealing washer, first sealing washer upper surface is provided with the end pad, the through-hole has been seted up on the top of end pad.
Preferably, a movable gap is arranged between the first sealing ring and the second sealing ring.
Preferably, mounting holes are formed in the periphery of the upper surface of the mounting ring.
Preferably, the inside bottom of first sealing washer is provided with the second seal lip, the inside bottom of second sealing washer is provided with first seal lip.
Compared with the prior art, the utility model provides a PTFE coated rubber seal ring possesses following beneficial effect:
the utility model discloses a layering setting of first seal lip and second seal lip, can the effectual impact force that reduces rivers, the clearance sets up between first sealing washer and second sealing washer, can let the sealing washer have certain space to release the impact force that rivers gave after the atress warp, can not let the sealing washer drop because of receiving the impact force, thereby the sealed effect of sealing washer has been promoted, set up and to let the rivers in the sealing washer in the inside buffer zone of first sealing washer can let a buffering area occasionally of fast flow, reduce the impact of rivers to the sealing washer, improve the stability of this sealing washer.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:
fig. 1 is a schematic structural view of a tetrafluoro-coated rubber seal ring according to the present invention;
fig. 2 is a cross-sectional view of a tetrafluoro-coated rubber seal ring according to the present invention;
fig. 3 is a schematic view of a bottom view of a ptfe-coated rubber seal ring according to the present invention;
in the figure: 1. a mounting ring; 2. mounting holes; 3. a clearance for movement; 4. an end pad; 5. a through hole; 6. a first seal ring; 7. a second seal ring; 8. a first seal lip; 9. a second sealing lip.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a tetrafluoro coated rubber seal, including collar 1 and first sealing washer 6, the fixed surface embedding of collar 1 has second sealing washer 7, the fixed surface embedding of second sealing washer 7 has first sealing washer 6, 6 upper surfaces of first sealing washer are provided with end pad 4, through-hole 5 has been seted up on the top of end pad 4, be provided with clearance 3 between first sealing washer 6 and the second sealing washer 7, clearance 3's setting can let the sealing washer have certain space to release the impact force that rivers gave after the atress warp, the impact force that the sealing washer received has been reduced.
The inside bottom of first sealing washer 6 is provided with second seal lip 9, the inside bottom of second sealing washer 7 is provided with first seal lip 8, first seal lip 8 and the sealed 9 layering setting of second, the impact force that can effectual reduction rivers, the impact force that the sealing washer received has been reduced, thereby avoided the sealing washer to drop because of the atress is too big, first seal lip 8 passes through glue with second seal lip 9 and connects the inside bottom at second sealing washer 7 and first sealing washer 6, buffer has been seted up to the inside of first sealing washer 6, a buffer zone for rivers are in the sealing washer when the rapid flow, reduce the impact of rivers to the sealing washer, mounting hole 2 has been seted up all around to the upper surface of collar 1.
The utility model discloses a theory of operation and use flow:
firstly, the mounting ring 1 and the mounting hole 2 on the mounting ring 1 are used for mounting the PTFE-coated rubber sealing ring, and the through hole 5 is well corresponding to the position required, when in use, when the water flow in the sealing ring circulates, the water flow can sequentially impact the first sealing lip 8 and the second sealing lip 9, the first sealing lip 8 and the second sealing lip 9 are arranged in a layered manner, the impact force of the water flow can be effectively reduced, the impact force on the sealing ring is reduced, the falling of the sealing ring due to overlarge stress is avoided, the movable gap 3 arranged between the first sealing ring 6 and the second sealing ring 7 can ensure that the sealing ring has a certain gap after being deformed by stress to release the impact force given by the water flow, the sealing ring can not fall off due to the impact force, the sealing effect of the sealing ring is improved, the buffer zone arranged in the first sealing ring 6 can ensure that the water flow in the sealing ring can rapidly flow, reduce the impact of rivers to the sealing washer, improve the stability of this sealing washer.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a tetrafluoro coated rubber seal, includes collar (1) and first sealing washer (6), its characterized in that: the last fixed surface of collar (1) imbeds and has second sealing washer (7), the last fixed surface of second sealing washer (7) imbeds and has first sealing washer (6), first sealing washer (6) upper surface is provided with end pad (4), through-hole (5) have been seted up on the top of end pad (4).
2. The tetrafluoro-coated rubber seal ring according to claim 1, characterized in that: a movable gap (3) is arranged between the first sealing ring (6) and the second sealing ring (7).
3. The tetrafluoro-coated rubber seal ring according to claim 1, characterized in that: and mounting holes (2) are formed around the upper surface of the mounting ring (1).
4. The tetrafluoro-coated rubber seal ring according to claim 1, characterized in that: the inside bottom of first sealing washer (6) is provided with second seal lip (9), the inside bottom of second sealing washer (7) is provided with first seal lip (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022653475.4U CN213981985U (en) | 2020-11-16 | 2020-11-16 | PTFE-coated rubber sealing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022653475.4U CN213981985U (en) | 2020-11-16 | 2020-11-16 | PTFE-coated rubber sealing ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213981985U true CN213981985U (en) | 2021-08-17 |
Family
ID=77264752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022653475.4U Active CN213981985U (en) | 2020-11-16 | 2020-11-16 | PTFE-coated rubber sealing ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213981985U (en) |
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2020
- 2020-11-16 CN CN202022653475.4U patent/CN213981985U/en active Active
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