CN205090078U - Novel gas circuit dynamic compensation seal structure - Google Patents
Novel gas circuit dynamic compensation seal structure Download PDFInfo
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- CN205090078U CN205090078U CN201520768978.2U CN201520768978U CN205090078U CN 205090078 U CN205090078 U CN 205090078U CN 201520768978 U CN201520768978 U CN 201520768978U CN 205090078 U CN205090078 U CN 205090078U
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- gas circuit
- dynamic compensation
- novel gas
- circuit dynamic
- wear
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Abstract
The utility model discloses a novel gas circuit dynamic compensation seal structure, including valve barrel, a case that is located valve barrel inside that has the inner chamber, have such characteristic, the case is equipped with the recess and installs elasticity O type circle in the recess, the outer snare of elasticity O type circle is equipped with wear -resisting circle, wear -resisting circle is located the clearance of valve barrel and case and hugs closely valve barrel inner chamber inner wall. The utility model provides a novel gas circuit dynamic compensation seal structure effectively improves the sealed effect of valve, has also greatly prolonged the life of valve simultaneously.
Description
Technical field
The utility model belongs to valve field, is specifically related to a kind of novel gas circuit dynamic compensation sealing configuration.
Background technique
The key of valve gas circuit is to seal position, and the sealed department bit architecture of prior art is primarily of valve pocket, spool, O type circle composition.Single O type circle is set directly at the shaft-like outside of spool, and spool is positioned at valve pocket inside, and O type circle is filled in the gap of spool and valve pocket.Shortcoming is, common O type circle sealing configuration, and passing into compressed-air actuated pressure can not be too high, otherwise O type circle cannot play sealing effect, and namely sealing can produce gas leak phenomenon more than the pressurized air of 9bar.The pressurized air of elevated pressures can make greatly reduce the working life of O type circle simultaneously, and necessary frequent replacement o circle, improves cost, also result in inconvenience.
Model utility content
In order to solve the problem, the purpose of this utility model is to provide a kind of novel gas circuit dynamic compensation sealing configuration.
In order to achieve the above object, the utility model have employed following technological scheme:
A kind of novel gas circuit dynamic compensation sealing configuration, comprise the spool that a valve pocket, with inner chamber is positioned at valve pocket inside, there is such feature, described spool is provided with groove and is arranged on the elastomeric O-type circle in described groove, described elastomeric O-type circle outer ring sleeve is provided with wear-resisting ring, and described wear-resisting ring is positioned at the gap of valve pocket and spool and is close to valve pocket cavity wall.
Further, in the novel gas circuit dynamic compensation sealing configuration that the utility model provides, such feature can also be had: the outer side surface of described wear-resisting ring is higher than spool face.
Further, in the novel gas circuit dynamic compensation sealing configuration that the utility model provides, such feature can also be had: the quantity of described elastomeric O-type circle is at least two, and spaced setting.
Further, in the novel gas circuit dynamic compensation sealing configuration that the utility model provides, such feature can also be had: described elastomeric O-type circle is made up of rubber.
Further, in the novel gas circuit dynamic compensation sealing configuration that the utility model provides, such feature can also be had: described wear-resisting ring is made up of PTFE.
Further, in the novel gas circuit dynamic compensation sealing configuration that the utility model provides, such feature can also be had: described wear-resisting ring is made up of glass fibre.
The good effect that the utility model has on the basis of the above is:
The novel gas circuit dynamic compensation sealing configuration that the utility model provides, effectively improves the sealing effect of valve, also greatly extends the working life of valve simultaneously.
Accompanying drawing explanation
Fig. 1 is structural representation Fig. 1 of novel gas circuit dynamic compensation sealing configuration of the present utility model;
Fig. 2 is structural representation Fig. 2 of novel gas circuit dynamic compensation sealing configuration of the present utility model;
Fig. 3 is structural representation Fig. 3 of novel gas circuit dynamic compensation sealing configuration of the present utility model.
Embodiment
The technological means realized to make the utility model, creation characteristic, reach object and effect is easy to understand, following examples are specifically addressed the novel gas circuit dynamic compensation sealing configuration that the utility model provides by reference to the accompanying drawings.
As Figure 1-3, the novel gas circuit dynamic compensation sealing configuration that the present embodiment provides, is formed primarily of a valve pocket 1 with inner chamber, the spool 2 that is positioned at valve pocket 1 inside.Concrete, the elastomeric O-type circle 4 that spool 2 is provided with groove 3 and is arranged in groove 3, elastomeric O-type circle 4 outer ring sleeve is provided with wear-resisting ring 5, and wear-resisting ring 5 is close to cavity wall in valve pocket 1.
In preferred embodiment of the present utility model, elastomeric O-type circle 4 is made up of rubber, and the quantity of elastomeric O-type circle 4 is two, the spaced setting of elastomeric O-type circle 4, wear-resisting ring 5 is set in outside two elastomeric O-type circles 4, makes the outer side surface of wear-resisting ring 5 higher than spool 2 surface.Wear-resisting ring 5 is made up of PTFE or glass fibre.
In wear-resisting ring 5 friction process, due to the characteristic of material self, play self-lubricating effect.
This design, using elastomeric O-type circle 4 as elastic compensating part, makes valve pocket 1 and wear-resisting ring 5 produce certain pressure each other, the complete planar flexible of valve pocket 1 and wear-resisting ring 5 is fitted, ensure that sealing effect.Further, if wear-resisting ring 5 is when long-time use has wearing and tearing, because of elastic compensating effect, the contact of valve pocket 1 and wear-resisting ring 5 can be kept dynamically, thus the sealing that guarantee can be permanently effective.Meanwhile, the setting at two elastomeric O-type circle 4 intervals is not only convenient to install, and also improves the stability of wear-resisting ring 5 when sliding.After tested, sealing configuration of the present utility model, becomes dynamic compensation sealing configuration in gas circuit critical seal Position Design, can allow to seal the pressurized air up to 18bar, and comparatively prior art is doubled.
Novel gas circuit dynamic compensation sealing configuration involved by certain the utility model is not merely defined in the structure in above-described embodiment, any equivalent modifications of carrying out the utility model and substituting also all in category of the present utility model.
Claims (6)
1. a novel gas circuit dynamic compensation sealing configuration, comprise a valve pocket (1), with inner chamber and be positioned at the inner spool (2) of valve pocket (1), it is characterized in that, described spool (2) is provided with groove (3) and is arranged on the elastomeric O-type circle (4) in described groove (3), described elastomeric O-type circle (4) outer ring sleeve is provided with wear-resisting ring (5), and described wear-resisting ring (5) is positioned at the gap of valve pocket (1) and spool (2) and is close to valve pocket (1) cavity wall.
2. novel gas circuit dynamic compensation sealing configuration according to claim 1, is characterized in that, the outer side surface of described wear-resisting ring (5) is higher than spool (2) surface.
3. novel gas circuit dynamic compensation sealing configuration according to claim 1, is characterized in that, the quantity of described elastomeric O-type circle (4) is at least two, and spaced setting.
4. novel gas circuit dynamic compensation sealing configuration according to claim 1, is characterized in that, described elastomeric O-type circle (4) is made up of rubber.
5. novel gas circuit dynamic compensation sealing configuration according to claim 1, it is characterized in that, described wear-resisting ring (5) is made up of PTFE.
6. novel gas circuit dynamic compensation sealing configuration according to claim 1, it is characterized in that, described wear-resisting ring (5) is made up of glass fibre.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520768978.2U CN205090078U (en) | 2015-09-29 | 2015-09-29 | Novel gas circuit dynamic compensation seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520768978.2U CN205090078U (en) | 2015-09-29 | 2015-09-29 | Novel gas circuit dynamic compensation seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205090078U true CN205090078U (en) | 2016-03-16 |
Family
ID=55480764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520768978.2U Active CN205090078U (en) | 2015-09-29 | 2015-09-29 | Novel gas circuit dynamic compensation seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205090078U (en) |
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2015
- 2015-09-29 CN CN201520768978.2U patent/CN205090078U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |