CN209278480U - A kind of multi-state sealing ring for petroleum machinery - Google Patents
A kind of multi-state sealing ring for petroleum machinery Download PDFInfo
- Publication number
- CN209278480U CN209278480U CN201821915298.9U CN201821915298U CN209278480U CN 209278480 U CN209278480 U CN 209278480U CN 201821915298 U CN201821915298 U CN 201821915298U CN 209278480 U CN209278480 U CN 209278480U
- Authority
- CN
- China
- Prior art keywords
- ring body
- low pressure
- seal ring
- sealing ring
- pressure seal
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of multi-state sealing rings for petroleum machinery, including low pressure seal ring body, high pressure sealing ring body is provided on the upside of the low pressure seal ring body, the low pressure seal ring body is made of anti-corrosive rubber material, annular through-hole is provided in the middle part of the low pressure seal ring body, it can make low pressure seal ring body that can stretch around after stress the low pressure seal ring body made of anti-corrosive rubber material, good sealing effect can be played, annulus inner lining plate has reliable intensity to the elevated pressure seal ring body for playing support in the middle part of low pressure seal ring body, under high pressure, high pressure sealing ring body with ring-shaped groove effectively can play the role of stopping up to the graininess grains of sand, the material of gasket ring body can be austenitic stainless steel, gasket ring body can be made not scratch the higher stem surface of hardness, Sealing ring provided by the utility model can reliably realize sealing function, and simple processing, can reduce cost.
Description
Technical field
The utility model relates to technical field of petroleum machinery, specific field is a kind of multi-state sealing for petroleum machinery
Circle.
Background technique
Petroleum, one of main object of geological prospecting are a kind of sticky, auburn liquid, referred to as " industrial blood
Liquid ".There are petroleum storage in upper crustal some areas.Main component is the mixture of various alkane, cycloalkane, aromatic hydrocarbon.
With the development of industrial technology, higher and higher for the coefficient of mining of petroleum, and consequent is the complexity of equipment
It is constantly promoted with measure of precision, the working environment of equipment is more and more harsher, for example, the pressure in valve can under hyperbaric environment
20000PSI (138Mpa) can be reached, for such pressure, generally use particularly customized sealing ring to realize sealing, however,
The production cost of particularly customized sealing ring is expensive, stock condition is difficult, is unfavorable for the maintenance and operation of oil equipment.For this purpose,
We provide a kind of multi-state sealing ring for petroleum machinery.
Utility model content
The purpose of this utility model is to provide a kind of multi-state sealing rings for petroleum machinery, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the utility model provides the following technical solutions: a kind of multi-state for petroleum machinery is close
Seal, including low pressure seal ring body are provided with high pressure sealing ring body, the low pressure sealing ring on the upside of the low pressure seal ring body
Body is made of anti-corrosive rubber material, and annular through-hole, the low pressure seal ring body are provided in the middle part of the low pressure seal ring body
Upper end be fixedly connected with the rear surface of the high pressure sealing ring body, be provided in the middle part of the lower end of the high pressure sealing ring body
Annular trough body, the annular trough body and the annular through-hole are interconnected, the annular through-hole inside the low pressure sealing ring body
Middle part level is fixedly installed annulus inner lining plate, and the slot bottom of the annular trough body is provided with cyclic spring piece, the cyclic spring
The lower surface of piece is provided with pressure ring body, and the upper end top of the pressure ring body is held in the lower surface of the cyclic spring piece, described
The lower end top of pressure ring body is held in the upper surface of the annulus inner lining plate, and being fixedly arranged at the upper side for the high pressure sealing ring body is close
Packing ring body, the gasket ring body are equal with the internal diameter of the high pressure sealing ring body.
Preferably, the lower end of the low pressure seal ring body is provided with notch section, and the notch section runs through the low pressure seal
The lower end of ring body and it is set as ring-shaped through slot.
Preferably, the annulus inner lining plate and the pressure ring body are made of stainless steel material.
Preferably, the inner surface and outer surface of the lower end of the high pressure sealing ring body are correspondingly arranged on annular ditch
Slot.
Preferably, the quantity of the ring-shaped groove is at least 4.
Preferably, the internal diameter of the low pressure seal ring body is slightly less than the gasket ring body and the high pressure sealing ring body
Internal diameter.
Compared with prior art, the utility model has the beneficial effects that a kind of multi-state sealing ring for petroleum machinery,
It can make low pressure seal ring body that can stretch around after stress the low pressure seal ring body made of anti-corrosive rubber material
Exhibition, can play the role of good sealing effect, annulus inner lining plate to playing support in the middle part of low pressure seal ring body, by
Under high pressure, annulus inner lining plate can contradict pressure ring body under the effect of the pressure, due to the upper end annular elastic piece of pressure ring body
With certain elasticity, pressure rings body is enable to have certain displacement, to resist certain pressure, and high pressure sealing ring body can
To be made of the harder material of hardness, such as high pressure sealing ring body can be made of carbon fibre material, make high pressure sealing ring body
With reliable intensity, under high pressure, the high pressure sealing ring body with ring-shaped groove can effectively be played the graininess grains of sand
Stop up effect, the material of gasket ring body can be austenitic stainless steel, gasket ring body can be made not scratch hardness higher
Stem surface, sealing ring provided by the utility model can reliably realize sealing function, and simple processing, can reduce into
This.
Detailed description of the invention
Fig. 1 is a kind of the schematic diagram of the section structure of the multi-state sealing ring for petroleum machinery of the utility model.
In figure: 1- low pressure seal ring body, 2- high pressure sealing ring body, 3- annular through-hole, 4- annular trough body, 5- annular trough body,
6- cyclic spring piece, 7- pressure ring body, 8- gasket ring body, 9- notch section, 10- ring-shaped groove.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig. 1, the utility model provides a kind of technical solution: a kind of multi-state sealing ring for petroleum machinery,
Including low pressure seal ring body 1, low pressure seal ring body can be made of anti-corrosive rubber material, the low pressure seal ring body being arranged in this way
1 can stretch around after stress, can play good sealing effect, be provided with height on the upside of the low pressure seal ring body
Means of press seals ring body, high pressure sealing ring body can be made of carbon fibre material, so that high pressure sealing ring body is had reliable intensity, in height
Pressure, the high pressure sealing ring body with ring-shaped groove effectively can play the role of stopping up to the graininess grains of sand, and the low pressure is close
Seal ring body is made of anti-corrosive rubber material, and annular through-hole 3, the low pressure seal are provided in the middle part of the low pressure seal ring body
The upper end of ring body is fixedly connected with the rear surface of the high pressure sealing ring body, is set in the middle part of the lower end of the high pressure sealing ring body
It is equipped with annular trough body 4, the annular trough body and the annular through-hole are interconnected, and the annular inside the low pressure sealing ring body is logical
The middle part level in hole is fixedly installed annulus inner lining plate 5, and annulus inner lining plate plays the work of support to the middle part of low pressure seal ring body 1
With, the slot bottom of the annular trough body is provided with cyclic spring piece 6, and the lower surface of the cyclic spring piece is provided with pressure ring body 7,
The upper end top of the pressure ring body is held in the lower surface of the cyclic spring piece, and the lower end top of the pressure ring body is held in the circle
The upper surface of ring inner lining plate, the high pressure sealing ring body have been fixedly arranged at the upper side gasket ring body 8, the material of gasket ring body
It can be austenitic stainless steel, gasket ring body can be made not scratch the higher stem surface of hardness, the gasket ring body
It is equal with the internal diameter of the high pressure sealing ring body.
Specifically, the lower end of the low pressure seal ring body is provided with notch section 9, the notch section is close through the low pressure
The lower end of seal ring body and it is set as ring-shaped through slot.
Specifically, the annulus inner lining plate and the pressure ring body are made of stainless steel material.
Specifically, the inner surface and outer surface of the lower end of the high pressure sealing ring body are correspondingly arranged on annular ditch
The intensity of high pressure sealing ring body can be enhanced in slot 10.
Specifically, the quantity of the ring-shaped groove is at least 4.
Specifically, the internal diameter of the low pressure seal ring body is slightly less than the gasket ring body and the high pressure sealing ring body
Internal diameter.
Working principle: the utility model provides a kind of multi-state sealing ring for petroleum machinery, and low pressure seal ring body 1 can
To be made of anti-corrosive rubber material, the low pressure seal ring body 1 being arranged in this way can stretch around after stress, can play
Good sealing effect, annulus inner lining plate 5 play the role of support to the middle part of low pressure seal ring body 1, under by high pressure, circle
Ring inner lining plate 5 can contradict pressure ring body 7 under the effect of the pressure, since the upper end annular elastic piece 6 of pressure ring body 7 has one
Fixed elasticity enables pressure ring body 7 to have certain displacement, and to resist certain pressure, and high pressure sealing ring body 2 can be
It is made of the harder material of hardness, such as high pressure sealing ring body 2 can be made of carbon fibre material, has high pressure sealing ring body 2
There is reliable intensity, under high pressure, the high pressure sealing ring body 2 with ring-shaped groove 10 can effectively play the graininess grains of sand
Stop up effect, the material of gasket ring body 8 can be austenitic stainless steel, and gasket ring body 8 can be made not scratch hardness more
High stem surface.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of multi-state sealing ring for petroleum machinery, including low pressure seal ring body (1), it is characterised in that: the low pressure
It is provided on the upside of seal ring body (1) high pressure sealing ring body (2), the low pressure seal ring body (1) is by anti-corrosive rubber material system
At, be provided with annular through-hole (3) in the middle part of the low pressure seal ring body (1), the upper end of the low pressure seal ring body (1) with it is described
The rear surface of high pressure sealing ring body (2) is fixedly connected, and is provided with annular groove in the middle part of the lower end of the high pressure sealing ring body (2)
Body (4), the annular trough body (4) and the annular through-hole (3) are interconnected, the internal annular of the low pressure seal ring body (1)
The middle part level of through-hole (3) is fixedly installed annulus inner lining plate (5), and the slot bottom of the annular trough body (4) is provided with cyclic spring
The lower surface of piece (6), the cyclic spring piece (6) is provided with pressure ring body (7), and the upper end top of the pressure ring body (7) is held
Hold the upper table in the annulus inner lining plate (5) in the lower end top of the lower surface of the cyclic spring piece (6), the pressure ring body (7)
Face, the high pressure sealing ring body (2) have been fixedly arranged at the upper side gasket ring body (8), the gasket ring body (8) and the height
The internal diameter of means of press seals ring body (2) is equal.
2. a kind of multi-state sealing ring for petroleum machinery according to claim 1, it is characterised in that: the low pressure is close
The lower end of seal ring body (1) is provided with notch section (9), and the notch section (9) is run through the lower end of the low pressure seal ring body (1) and set
It is set to ring-shaped through slot.
3. a kind of multi-state sealing ring for petroleum machinery according to claim 1, it is characterised in that: in the annulus
Liner (5) and the pressure ring body (7) are made of stainless steel material.
4. a kind of multi-state sealing ring for petroleum machinery according to claim 1, it is characterised in that: the high densification
The inner surface and outer surface of the lower end of seal ring body (2) are correspondingly arranged on ring-shaped groove (10).
5. a kind of multi-state sealing ring for petroleum machinery according to claim 4, it is characterised in that: the annular ditch
The quantity of slot (10) is at least 4.
6. a kind of multi-state sealing ring for petroleum machinery according to claim 1, it is characterised in that: the low pressure is close
The internal diameter of seal ring body (1) is slightly less than the internal diameter of the gasket ring body (8) Yu the high pressure sealing ring body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821915298.9U CN209278480U (en) | 2018-11-21 | 2018-11-21 | A kind of multi-state sealing ring for petroleum machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821915298.9U CN209278480U (en) | 2018-11-21 | 2018-11-21 | A kind of multi-state sealing ring for petroleum machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209278480U true CN209278480U (en) | 2019-08-20 |
Family
ID=67602014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821915298.9U Expired - Fee Related CN209278480U (en) | 2018-11-21 | 2018-11-21 | A kind of multi-state sealing ring for petroleum machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209278480U (en) |
-
2018
- 2018-11-21 CN CN201821915298.9U patent/CN209278480U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190820 Termination date: 20201121 |