CN207213167U - A kind of piston rod sealing ring - Google Patents
A kind of piston rod sealing ring Download PDFInfo
- Publication number
- CN207213167U CN207213167U CN201721211038.9U CN201721211038U CN207213167U CN 207213167 U CN207213167 U CN 207213167U CN 201721211038 U CN201721211038 U CN 201721211038U CN 207213167 U CN207213167 U CN 207213167U
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- CN
- China
- Prior art keywords
- piston rod
- sealing ring
- lip
- sealed body
- interior sealing
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- Sealing With Elastic Sealing Lips (AREA)
Abstract
The utility model discloses a kind of piston rod sealing ring, the rubbery sealed body coated including metallic framework and by metallic framework, dust excluder lips, interior sealing lip and outer seal lip are disposed with the rubbery sealed body, dust excluder lips and the interior sealing lip is brought into close contact with piston rod；Notch is provided between the interior sealing lip and outer seal lip, the rubbery sealed body forms groove between the reinforcement that some circumference arrangements are provided with notch, dust excluder lips and the interior sealing lip, grease layer is coated with the groove.The utility model has the advantages that：This piston rod sealing ring can solve the problems, such as that the working life present in current piston rod sealing ring is short.
Description
Technical field
A kind of sealing ring is the utility model is related to, more particularly to a kind of piston rod sealing ring.
Background technology
Cylinder is a kind of pneumatic apparatus, and the common cylinder of in the market includes the parts such as cylinder body, piston, piston rod, its
Crimp produces prestressing force to reach sealing effectiveness when middle piston rod often assembles by matched sealing ring.Its sealing ring
Feature is：Simple in construction, high pressure, small volume.But it is big due to being worn in motion process, deformation state is chronically at, easily production
Raw permanent deformation loses elasticity, and working life is short, has much room for improvement.
Utility model content
The purpose of this utility model is to provide a kind of piston rod sealing ring, and it can solve current piston rod sealing ring
The problem of existing working life is short.
Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of piston rod sealing
Circle, including metallic framework and the rubbery sealed body that is coated metallic framework, it is disposed with the rubbery sealed body anti-
Dirt lip, interior sealing lip and outer seal lip, dust excluder lips and the interior sealing lip are brought into close contact with piston rod；The interior sealing lip with it is outer
Notch is provided between sealing lip, the rubbery sealed body is described anti-in the reinforcement that some circumference arrangements are provided with notch
Groove is formed between dirt lip and interior sealing lip, grease layer is coated with the groove.
The utility model is further arranged to：The metallic framework is preferably quoit made of mild steel.
The utility model is further arranged to：The rubbery sealed body is preferably the modified polyurethane that shore hardness is 90A
Material.
In summary, the utility model has the advantages that：
（1）By being provided with metallic framework in sealing ring, and then the structural strength of sealing ring is improved, be applicable to difference
Pressure demand and pressure environment, and then cause service life length, be advantageous to keep good sealing effectiveness, when need this is close
Seal is applied in other environment, can be avoided changing the dust-proof seal ring of relevant pressure, be expanded usage scenario scope；
（2）By setting gradually dust excluder lips, interior sealing lip and outer seal lip in rubbery sealed body, dust excluder lips can prevent dirty
With the intrusion of water smoke, foul is reliably struck off, groove is formed between dust excluder lips and interior sealing lip, lubricating grease can be smeared in groove
Layer, grease layer can prevent groove both sides dust excluder lips from dry grinding problem occurring during long-term use with interior sealing lip, and extension makes
Use the life-span；
（3）Dust excluder lips and interior sealing lip are brought into close contact with piston rod, and then form two separate linear sealings, now
Grease layer is smeared in groove to be located in the space that sealing ring is formed with piston rod, is being used so as to reduce grease layer
Loss rate in journey, the service life of sealing ring can be improved.
Brief description of the drawings
Fig. 1 is the structural representation of embodiment；
Fig. 2 is the structural representation on Fig. 1 other directions；
Fig. 3 is the schematic diagram of Fig. 1 sections；
Fig. 4 is Fig. 3 scheme of installation.
Reference：1st, metallic framework；2nd, rubbery sealed body；3rd, dust excluder lips；4th, interior sealing lip；5th, outer seal lip；6th, groove
Mouthful；7th, reinforcement；8th, groove；9th, mounting groove；10th, piston rod.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model
Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but
As long as all protected in right of the present utility model by Patent Law.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, a kind of piston rod sealing ring, including metallic framework 1 and by metallic framework 1
The rubbery sealed body 2 coated.Metallic framework 1 is all annular with rubbery sealed body 2, and metallic framework 1 can improve sealing ring
Structural strength, it is applicable to different pressure demands and pressure environment, and then causes service life length, is advantageous to keep good
Sealing effectiveness.When needing that the sealing ring is applied in other environment, it can avoid changing the dust-proof seal ring of relevant pressure, expand
Big usage scenario scope.
The section of rubbery sealed body 2 includes dust excluder lips 3, interior sealing lip 4 and outer seal lip 5.Dust excluder lips 3 can prevent it is dirty and
The intrusion of water smoke, reliably strikes off foul.Notch 6 is provided between interior sealing lip 4 and outer seal lip 5, notch 6 can be alleviated close
The pressure that seal is subject to.Rubbery sealed body 2 passes through reinforcement 7 in the reinforcement 7 that some circumference arrangements are provided with notch 6
Set to strengthen bearing capacity of the rubbery sealed body 2 under hyperbaric environment.Groove 8 is formed between dust excluder lips 3 and interior sealing lip 4,
During actual installation, grease layer is coated with groove 8（Accompanying drawing does not mark）, and then prevent the both sides dust excluder lips 3 of groove 8 with
Dry grinding problem occurs during long-term use for interior sealing lip 4, increases the service life.
The piston rod 10 of the present embodiment is arranged in mounting groove 9 with sealing ring, dust excluder lips 3 and interior sealing lip 4 and piston rod
10 are brought into close contact, and then form two separate linear sealings.Now, smear in groove 8 grease layer be located at sealing ring and
In the space that piston rod 10 is formed.So as to reduce the loss rate of grease layer in use, sealing ring can be improved
Service life.
Metallic framework 1 in the present embodiment is preferably quoit made of mild steel.
Rubbery sealed body 2 in the present embodiment is preferably the modified polyurethane material that shore hardness is 90A.Because rubber is close
Envelope body 2 is made up of single polymeric material, in use non-corrosiveness.
Claims (3)
1. a kind of piston rod sealing ring, it is characterized in that：Including metallic framework (1) and the rubber for being coated metallic framework (1)
Glue seal (2), dust excluder lips (3), interior sealing lip (4) and outer seal lip (5) are disposed with the rubbery sealed body (2),
The dust excluder lips (3) and interior sealing lip (4) are brought into close contact with piston rod (10)；
Notch (6) is provided between the interior sealing lip (4) and outer seal lip (5), the rubbery sealed body (2) is in notch (6)
The reinforcement (7) of some circumference arrangements is inside provided with, groove (8), institute are formed between the dust excluder lips (3) and interior sealing lip (4)
State in groove (8) and be coated with grease layer.
2. a kind of piston rod sealing ring according to claim 1, it is characterized in that：The metallic framework (1) is preferably low
Quoit made of carbon steel.
3. a kind of piston rod sealing ring according to claim 1, it is characterized in that：The rubbery sealed body (2) is preferably
Shore hardness is 90A modified polyurethane material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721211038.9U CN207213167U (en) | 2017-09-20 | 2017-09-20 | A kind of piston rod sealing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721211038.9U CN207213167U (en) | 2017-09-20 | 2017-09-20 | A kind of piston rod sealing ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207213167U true CN207213167U (en) | 2018-04-10 |
Family
ID=61822001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721211038.9U Active CN207213167U (en) | 2017-09-20 | 2017-09-20 | A kind of piston rod sealing ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207213167U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113551038A (en) * | 2021-08-05 | 2021-10-26 | 北京恩萨工程技术有限公司 | Metal combination dust ring in dangerous useless field |
-
2017
- 2017-09-20 CN CN201721211038.9U patent/CN207213167U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113551038A (en) * | 2021-08-05 | 2021-10-26 | 北京恩萨工程技术有限公司 | Metal combination dust ring in dangerous useless field |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190605 Address after: 315300 No. 398 Yiheng Road, Changhe Town Industrial Zone, Cixi City, Ningbo City, Zhejiang Province Patentee after: Ningbo Daqi Sealing Technology Co., Ltd. Address before: 317 200 Huaqian Industrial Zone, Pingqiao Town, Tiantai County, Taizhou City, Zhejiang Province Patentee before: Tiantai sub seal limited dynamic resistance |