CN215171122U - Supercharger sealing structure - Google Patents
Supercharger sealing structure Download PDFInfo
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- CN215171122U CN215171122U CN202122721385.9U CN202122721385U CN215171122U CN 215171122 U CN215171122 U CN 215171122U CN 202122721385 U CN202122721385 U CN 202122721385U CN 215171122 U CN215171122 U CN 215171122U
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Abstract
The utility model belongs to the technical field of isostatic pressing machine superchargers, and discloses a supercharger sealing structure, which comprises an oil cylinder and a water cylinder which are connected in sequence; the oil cylinder comprises a cylinder body, a piston which slides in the cylinder body in a reciprocating manner and a rod body connected with the piston; one end of the rod body is connected to the piston, the other end of the rod body extends to the water cylinder, and a sealing assembly is arranged between the water cylinder and the piston rod; the water cylinder is provided with a step hole along the extension direction of the rod body, and the large hole of the step hole is close to the oil cylinder; the sealing assembly comprises a check ring, a sealing ring assembly and a supporting ring which are sleeved outside the rod body; the sealing ring assembly is positioned between the retainer ring and the support ring; the retainer ring and the sealing ring assembly are both positioned in the large hole of the stepped hole; the outer circle of the retainer ring is in positioning fit with the large hole of the stepped hole, and the inner circle of the retainer ring is in positioning fit with the piston rod; one end of the support ring is matched with the large hole of the step hole in a positioning mode, and two end faces of the support ring are respectively abutted to the sealing ring assembly and the cylinder body.
Description
Technical Field
The utility model belongs to the technical field of isostatic pressing machine booster, concretely relates to booster seal structure.
Background
The booster is one of the important power sources of equipment such as a cold static press, and the like, and the booster mainly uses a reciprocating booster with a piston structure at present, the booster comprises two water cylinders and an oil cylinder between the two water cylinders, piston rods extend out of two ends of a piston of the oil cylinder, and the piston rods reciprocate in the water cylinders under the action of hydraulic oil of the oil cylinder to squeeze water in the water cylinders, so that a main cylinder of the static press is boosted.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems existing in the prior art, the utility model aims to provide a sealing structure of a supercharger.
The utility model discloses the technical scheme who adopts does:
a supercharger sealing structure comprises an oil cylinder and a water cylinder which are connected in sequence; the oil cylinder comprises a cylinder body, a piston which slides in the cylinder body in a reciprocating manner and a rod body connected with the piston; one end of the rod body is connected to the piston, the other end of the rod body extends to the water cylinder, and a sealing assembly is arranged between the water cylinder and the piston rod; the water cylinder is provided with a step hole along the extension direction of the rod body, and the large hole of the step hole is close to the oil cylinder; the sealing assembly comprises a check ring, a sealing ring assembly and a supporting ring which are sleeved outside the rod body; the sealing ring assembly is positioned between the retainer ring and the support ring; the retainer ring and the sealing ring assembly are both positioned in the large hole of the stepped hole; the outer circle of the retainer ring is in positioning fit with the large hole of the stepped hole, and the inner circle of the retainer ring is in positioning fit with the piston rod; one end of the support ring is matched with the large hole of the step hole in a positioning mode, and two end faces of the support ring are respectively abutted to the sealing ring assembly and the cylinder body.
As a further alternative of the sealing structure of the supercharger, the cylinder body is provided with a positioning hole matched with the supporting ring in a positioning way; the end face of the support ring, which is far away from the sealing ring assembly, abuts against the bottom of the fixed hole.
As a further alternative to the supercharger sealing structure, the support ring extends outwardly and forms a flange near one end edge of the cylinder block; the end face of the flange is provided with a through threaded hole.
As a further alternative to the booster seal structure, the seal ring assembly includes a seal ring and a triangular ring assembly; the sealing ring is positioned between the triangular ring component and the retainer ring; the triangular ring assembly comprises two matched triangular rings, the cross sections of the triangular rings are right-angled triangles, and the inclined planes of the right-angled triangles of the two triangular rings are opposite.
As a further alternative to the supercharger seal structure, the triangular ring is made of carbon fiber.
As a further alternative to the supercharger seal structure, the retainer ring is made of carbon fiber.
As a further alternative to the supercharger seal structure, the support ring is made of carbon fibre.
As a further alternative to the booster seal structure, the rod body is made of ceramic.
The utility model has the advantages that:
the utility model supports the end of the rod body far away from the piston through the retainer ring, and avoids the rod body from being inclined in the reciprocating motion process; one end of the support ring is in positioning fit with the large hole of the step hole, and the other end of the support ring is in positioning fit with the positioning hole of the cylinder body, so that the positioning effect is achieved; on the other hand, the support ring is used for propping against the seal ring assembly along the extension direction of the rod body, and the seal ring assembly deforms when bearing high pressure to seal the gap; the support ring, the retainer ring and the triangular ring in the sealing ring assembly are all made of carbon fiber, so that the support ring is lighter in weight, more wear-resistant, higher in strength and longer in service life, and the rod body is not damaged; the rod body is made of ceramic, so that the weight is lighter, the abrasion is more resistant, and the service life of the sealing assembly is longer.
Drawings
Fig. 1 is a schematic structural view of the sealing structure of the supercharger of the present invention.
In the figure: 1-a cylinder body; 2-a rod body; 3-water vat; 4-a stepped bore; 5-a retainer ring; 6-sealing ring; 7-triangular ring; 8-a support ring; 9-threaded hole.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be briefly described below with reference to the accompanying drawings and the description of the embodiments or the prior art, and it is obvious that the following description of the structure of the accompanying drawings is only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without any inventive work.
The technical solution provided by the present invention will be described in detail by way of embodiments with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto.
In some instances, some embodiments are not described or not in detail, as they are conventional or customary in the art.
Furthermore, the technical features described herein, or the steps of all methods or processes disclosed, may be combined in any suitable manner in one or more embodiments, in addition to the mutually exclusive features and/or steps. It will be readily appreciated by those of skill in the art that the order of the steps or operations of the methods associated with the embodiments provided herein may be varied. Any order in the drawings and examples is for illustrative purposes only and does not imply that a certain order is required unless explicitly stated to be required.
The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The terms "connected" and "coupled" when used in this application, encompass both direct and indirect connections (and couplings) where appropriate and where not necessary contradictory.
As shown in fig. 1, the sealing structure of the supercharger of the present embodiment includes an oil cylinder and a water cylinder 3 connected in sequence; the oil cylinder comprises a cylinder body 1, a piston which slides in the cylinder body 1 in a reciprocating manner and a rod body 2 connected with the piston; one end of the rod body 2 is connected to the piston, the other end of the rod body extends to the water tank 3, and a sealing assembly is arranged between the water tank 3 and the piston rod.
The above-described structures are the same as those of the prior art supercharger and will not be described in detail herein. The utility model discloses an improvement part lies in following aspect: the water cylinder 3 is provided with a step hole 4 along the extension direction of the rod body 2, and the large hole of the step hole 4 is close to the oil cylinder; the sealing assembly comprises a check ring 5, a sealing ring assembly and a supporting ring 8 which are sleeved outside the rod body 2; the sealing ring assembly is positioned between the retainer ring 5 and the support ring 8; the retainer ring 5 and the sealing ring component are both positioned in the large hole of the stepped hole 4; the outer circle of the retainer ring 5 is matched with the large hole of the stepped hole 4 in a positioning way, and the inner circle of the retainer ring 5 is matched with the piston rod in a positioning way; one end of the support ring 8 is matched with the large hole of the step hole 4 in a positioning mode, and two end faces of the support ring 8 are respectively abutted to the sealing ring assembly and the cylinder body 1.
The sealing ring assembly can adopt an O-shaped ring, a Yx sealing ring, a V-shaped sealing ring and the like, and in one embodiment, the sealing ring assembly comprises a sealing ring 6 and a triangular ring assembly; the sealing ring 6 is positioned between the triangular ring component and the retainer ring 5; the triangular ring assembly comprises two matched triangular rings 7, the cross sections of the triangular rings 7 are right-angled triangles, and the inclined planes of the right-angled triangles of the two triangular rings 7 are opposite. Two triangular rings 7 can follow the inclined plane relative slip under the high pressure effect, make the right angle face of one of them triangular ring 7 laminate with the big pore wall of step hole 4 all the time, and the right angle face of another triangular ring 7 laminates with the outer disc of the body of rod 2 all the time, and the leakproofness is better. The sealing ring 6 can adopt an O-shaped ring, a Yx sealing ring, a V-shaped sealing ring and the like. In one embodiment the triangular rings 7 are made of carbon fibre, which has the advantage that the triangular rings 7 made of carbon fibre are lighter in weight, more wear resistant, stronger, longer lived and do not damage the rod body 2.
The inner circle of the retainer ring 5 is matched with the rod body 2 in a positioning mode, a larger gap can be reserved between the rod body 2 and the small hole of the step hole 4, direct friction between the rod body 2 and the water cylinder 3 is avoided, and therefore the service life of the water cylinder 3 is prolonged.
In one embodiment the collar 5 is made of carbon fibre, which has the advantage that the collar 5 made of carbon fibre is lighter in weight, more wear resistant, stronger, longer in life and does not damage the rod body 2.
In one embodiment, the cylinder body 1 is provided with a positioning hole matched with the support ring 8 in a positioning way; the end face of the support ring 8 far away from the seal ring assembly is abutted to the bottom of the fixed hole. On one hand, one end of the support ring 8 is in positioning fit with the large hole of the step hole 4, and the other end of the support ring is in positioning fit with the positioning hole of the cylinder body 1, so that the positioning function is achieved, and the rod body 2 positioned in the rod body 2 is ensured to be coaxial with the rod body 2 positioned in the step hole 4; on the other hand, the support ring 8 is used for propping against the triangular rings 7 along the extending direction of the rod body 2, and when the sealing ring assembly bears high pressure, the two triangular rings 7 can only slide relatively along the inclined plane, so that the sealing effect is realized. In one embodiment, one end edge of the support ring 8 adjacent to the cylinder 1 extends outward and forms a flange; the end face of the flange is provided with a through threaded hole 9. During disassembly, a bolt and the like are screwed in the threaded hole 9, the support ring 8 can be pushed out of the large hole of the stepped hole 4 by rotating the bolt, and the disassembly is more convenient. In one embodiment, the support ring 8 is made of carbon fiber, with the advantage that the support ring 8 made of carbon fiber is lighter in weight, more wear resistant, stronger, longer-lived, and does not damage the rod body 2.
In one embodiment, the rod body 2 is made of ceramic, which has the advantage that the rod body 2 made of ceramic is lighter in weight, more wear resistant and has a longer life of the sealing ring assembly in direct contact with the rod body 2.
The present invention is not limited to the above-mentioned optional embodiments, and any other products in various forms can be obtained by anyone under the teaching of the present invention, and any changes in the shape or structure thereof, all the technical solutions falling within the scope of the present invention, are within the protection scope of the present invention.
Claims (8)
1. A supercharger sealing structure comprises an oil cylinder and a water cylinder which are connected in sequence; the oil cylinder comprises a cylinder body, a piston which slides in the cylinder body in a reciprocating manner and a rod body connected with the piston; one end of the rod body is connected to the piston, the other end of the rod body extends to the water cylinder, and a sealing assembly is arranged between the water cylinder and the piston rod; the method is characterized in that: the water cylinder is provided with a step hole along the extension direction of the rod body, and the large hole of the step hole is close to the oil cylinder; the sealing assembly comprises a check ring, a sealing ring assembly and a supporting ring which are sleeved outside the rod body; the sealing ring assembly is positioned between the retainer ring and the support ring; the retainer ring and the sealing ring assembly are both positioned in the large hole of the stepped hole; the outer circle of the retainer ring is in positioning fit with the large hole of the stepped hole, and the inner circle of the retainer ring is in positioning fit with the piston rod; one end of the support ring is matched with the large hole of the step hole in a positioning mode, and two end faces of the support ring are respectively abutted to the sealing ring assembly and the cylinder body.
2. The supercharger seal structure of claim 1, wherein: the cylinder body is provided with a positioning hole matched with the support ring in a positioning way; the end face of the support ring, which is far away from the sealing ring assembly, abuts against the bottom of the fixed hole.
3. The supercharger seal structure according to claim 1 or 2, wherein: the edge of one end of the support ring, which is close to the cylinder body, extends outwards and forms a flange; the end face of the flange is provided with a through threaded hole.
4. The supercharger seal structure of claim 1, wherein: the sealing ring assembly comprises a sealing ring and a triangular ring assembly; the sealing ring is positioned between the triangular ring component and the retainer ring; the triangular ring assembly comprises two matched triangular rings, the cross sections of the triangular rings are right-angled triangles, and the inclined planes of the right-angled triangles of the two triangular rings are opposite.
5. The supercharger seal structure of claim 4, wherein: the triangular ring is made of carbon fiber.
6. The supercharger seal structure of claim 1, wherein: the retainer ring is made of carbon fiber.
7. The supercharger seal structure of claim 1, wherein: the support ring is made of carbon fiber.
8. The supercharger seal structure of claim 1, wherein: the rod body is made of ceramic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122721385.9U CN215171122U (en) | 2021-11-09 | 2021-11-09 | Supercharger sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122721385.9U CN215171122U (en) | 2021-11-09 | 2021-11-09 | Supercharger sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215171122U true CN215171122U (en) | 2021-12-14 |
Family
ID=79404257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122721385.9U Active CN215171122U (en) | 2021-11-09 | 2021-11-09 | Supercharger sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215171122U (en) |
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2021
- 2021-11-09 CN CN202122721385.9U patent/CN215171122U/en active Active
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