CN219623232U - High-pressure combined sealing ring - Google Patents
High-pressure combined sealing ring Download PDFInfo
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- CN219623232U CN219623232U CN202320533354.7U CN202320533354U CN219623232U CN 219623232 U CN219623232 U CN 219623232U CN 202320533354 U CN202320533354 U CN 202320533354U CN 219623232 U CN219623232 U CN 219623232U
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Abstract
The utility model relates to the technical field of sealing rings, in particular to a high-pressure combined sealing ring, which comprises a T-shaped sealing ring, a V-shaped sealing ring, a Y-shaped sealing ring, a U-shaped sealing ring and a retainer ring, wherein one end of the T-shaped sealing ring is propped against a sealed surface, and the other end of the T-shaped sealing ring is provided with a C-shaped groove; the V-shaped sealing ring comprises a main body and an elastic piece, the elastic piece is contained in the main body and partially exposed out of the surface of the main body, and the T-shaped sealing ring is overlapped on the elastic piece through a C-shaped groove; the main part is folded and is located Y type sealing washer, and Y type sealing washer is folded and is located U type sealing washer, and U type sealing washer supports in the top of retaining ring, makes T type sealing washer, V type pan-plug seal sealing washer, Y type sealing washer, U type sealing washer and retaining ring fold in proper order and establishes and form the combination sealing washer. According to the utility model, the Y-shaped sealing ring is inserted into the U-shaped sealing ring, so that the Y-shaped sealing ring is wrapped and protected in the U-shaped sealing ring, the impact of working medium on the Y-shaped sealing ring is reduced, and the service life of the Y-shaped sealing ring is prolonged.
Description
Technical Field
The utility model relates to the technical field of sealing rings, in particular to a high-pressure combined sealing ring.
Background
In hydraulic or pneumatic transmission systems and components thereof, the sealing device and the sealing element are arranged to prevent leakage of working medium and intrusion of external dust and foreign matter, and the element arranged in the sealing device to perform sealing function is called a sealing element. When the hydraulic and pneumatic driving working medium flows or is temporarily stored in the cavity of the system and the element, a small amount of working medium passes through the boundary of the cavity due to the change of pressure, intermittence, viscosity and other factors, and flows out from the high-pressure cavity to the low-pressure cavity or the outside, and the phenomenon of out-of-boundary flowing out is called leakage. Leakage is classified into internal leakage and external leakage. Internal leakage refers to the leakage of working medium from the high pressure chamber to the low pressure chamber within the system or component. External leakage is leakage from the interior of the system or component to the outside. The volume of working medium that leaks per unit time is referred to as the leakage amount. In the pneumatic transmission system, the working medium is compressed air and the working pressure is not high, so that the problem of gas leakage is often not paid attention. In fact, leakage in the pneumatic transmission system can also cause system pressure reduction, energy consumption increase, action disorder or negative pressure in the vacuum system cannot be established, and leakage of the air inlet of the air cylinder can cause problems of creeping of the air cylinder running at a low speed and the like.
The problem with the seals is that the working medium leaks in and/or out, resulting in failure to function properly. The combined sealing ring is widely used in a high-pressure high-temperature hydraulic or pneumatic transmission system, but in the high-speed high-pressure flow of a working medium, the sealing ring of the combined sealing ring is impacted by high-speed high-pressure fluid, so that abrasion and even impact damage are easy to occur, and the sealing effect between the combined sealing ring and a sealed surface is invalid, so that the combined sealing ring needs to be improved.
Disclosure of Invention
The utility model aims to provide a high-pressure combined sealing ring, which aims at the defects that a sealing ring of the combined sealing ring in the prior art is impacted by high-speed high-pressure fluid and is easy to wear, and the Y-shaped sealing ring is inserted into the U-shaped sealing ring, so that the Y-shaped sealing ring is wrapped and protected in the U-shaped sealing ring, the impact of working medium on the Y-shaped sealing ring is reduced, and the service life of the Y-shaped sealing ring is prolonged.
In order to achieve the aim, the utility model relates to a high-pressure combined sealing ring which comprises a T-shaped sealing ring, a V-shaped universal plug sealing ring, a Y-shaped sealing ring, a U-shaped sealing ring and a check ring,
one end of the T-shaped sealing ring is propped against the sealed surface, and a C-shaped groove is formed in the other end of the T-shaped sealing ring; the V-shaped pantagraph seal ring comprises a main body and an elastic piece, wherein the elastic piece is accommodated in the main body and partially exposed out of the surface of the main body, and the T-shaped seal ring is overlapped on the elastic piece through the C-shaped groove; the main part is folded and is located on the Y type sealing washer, the Y type sealing washer is folded and is located the U type sealing washer, the U type sealing washer support in the top of retaining ring makes T type sealing washer, V type pan-plug seal sealing washer, Y type sealing washer, U type sealing washer and retaining ring fold in proper order and establishes and form the combination sealing washer, through Y type sealing washer inserts in the U type sealing washer, make in the U type sealing washer will Y type sealing washer parcel protection reduces working medium to Y type sealing washer impact, extension Y type sealing washer life.
Preferably, an L-shaped avoiding groove is formed in one side of the T-shaped sealing ring, opposite to the C-shaped groove, so that interference of the T-shaped sealing ring on the V-shaped sealing ring is reduced.
Preferably, a first inner lip is arranged on the inner side of the upper portion of the main body, a first outer lip is arranged on the outer side of the upper portion of the main body, a semicircular groove is formed between the first inner lip and the first outer lip, the elastic piece part is accommodated in the semicircular groove, and the elastic piece part is exposed in the semicircular groove.
Preferably, a first sealing protruding ring is arranged on the outer side of the first inner lip and the outer side of the first outer lip.
Preferably, the lower part of main part is provided with the trapezoid of falling protruding, Y type sealing washer top is provided with the trapezoid of falling recess, the width of trapezoid of falling protruding bottom is greater than the width of the inside tank bottom of trapezoid of falling recess, trapezoid of falling protruding support in on two inside walls of trapezoid of falling recess, trapezoid of falling protruding with form the lubrication groove between the inside tank bottom of trapezoid of falling recess.
Preferably, the height of the inverted trapezoid protrusion is larger than the depth of the inverted trapezoid groove, so that a first abdication space for the Y-shaped sealing ring to deform is formed between the inverted trapezoid protrusion and the inner side wall of the inverted trapezoid groove.
Preferably, a second inner lip is arranged on the inner side of the upper part of the U-shaped sealing ring, a second outer lip is arranged on the outer side of the upper part of the U-shaped sealing ring, a Y-shaped groove is formed between the second inner lip and the second outer lip, and the lower part of the Y-shaped sealing ring is inserted into the Y-shaped groove.
Preferably, a second sealing protruding ring is arranged on the outer sides of the second inner lip and the second outer lip.
Preferably, the top of the second inner lip and the top of the second outer lip are both provided with straight parts, and a second abdication space for the deformation of the Y-shaped sealing ring is formed between the upper part of the Y-shaped sealing ring and the straight parts.
Preferably, the inner side of the retainer ring is provided with a sealing groove group, the sealing groove group comprises a plurality of sealing grooves which are arranged at intervals, and the section of each sealing groove is arc-shaped.
The utility model has the beneficial effects that: according to the utility model, the Y-shaped sealing ring is inserted into the U-shaped sealing ring, so that the Y-shaped sealing ring is wrapped and protected in the U-shaped sealing ring, the impact of working medium on the Y-shaped sealing ring is reduced, the service life of the Y-shaped sealing ring is prolonged, the combined sealing ring is propped against a sealed surface through the T-shaped sealing ring, the section of the elastic piece is circular, the C-shaped groove is propped against the elastic piece, the displacement of the elastic piece is prevented, the elastic piece is enabled to continuously prop up the main body, the two sides of the main body are kept to prop against the sealed surface to form a sealing effect, meanwhile, the contact area of the elastic piece and the working medium is reduced due to the fact that the T-shaped sealing ring props against the elastic piece, the influence of the working medium on the elastic piece is reduced, and the service life of the elastic piece is prolonged. And both sides of the Y-shaped sealing ring and the U-shaped sealing ring are propped against the sealed surface to form a sealing effect. The check ring prevents the T-shaped sealing ring, the V-shaped sealing ring, the Y-shaped sealing ring and the U-shaped sealing ring from being extruded out of the sealing gap under the pressure of working medium.
Drawings
Fig. 1 is a schematic cross-sectional view of the present utility model.
FIG. 2 is a schematic cross-sectional view of a T-ring seal of the present utility model.
Fig. 3 is a schematic cross-sectional structure of the V-shaped pan plug seal ring, Y-shaped seal ring and U-shaped seal ring of the present utility model.
Fig. 4 is a schematic structural view of the V-shaped pan plug sealing ring in a sectional exploded state.
FIG. 5 is a schematic cross-sectional view of a Y-shaped seal ring of the present utility model.
Fig. 6 is a schematic cross-sectional view of the U-shaped seal ring of the present utility model.
Fig. 7 is a schematic cross-sectional view of the retainer ring of the present utility model.
The reference numerals include:
1. a T-shaped sealing ring; 11. a C-shaped groove; 12. an L-shaped avoidance groove; 2. v-shaped sealing ring with sealing plug; 21. a main body; 211. a first inner lip; 212. a first outer lip; 213. a semicircular groove; 214. a first sealing bead; 215. inverted ladder-shaped bulges; 22. an elastic member; 3. a Y-shaped sealing ring; 31. inverted ladder-shaped grooves; 32. a lubrication groove; 33. cutting into sections; 4. a U-shaped sealing ring; 41. a second inner lip; 42. a second outer lip; 43. y-shaped grooves; 44. a lubrication chamber; 45. a second sealing bead; 46. a straight portion; 5. a retainer ring; 51. sealing grooves; 6. a first yield space; 7. and a second yielding space.
Detailed Description
The present utility model will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 7, the high-pressure combined sealing ring of the utility model comprises a T-shaped sealing ring 1, a V-shaped sealing ring 2, a Y-shaped sealing ring 3, a U-shaped sealing ring 4 and a retainer ring 5.
One end of the T-shaped sealing ring 1 is propped against a sealed surface, and a C-shaped groove 11 is formed in the other end of the T-shaped sealing ring 1. The V-shaped pan-plug sealing ring 2 comprises a main body 21 and an elastic member 22, wherein the elastic member 22 is a wire-shaped spring ring made of an impermeable steel material or a V-shaped spring ring made of an impermeable steel material, and in this embodiment, the elastic member 22 is accommodated in the main body 21 and partially exposed on the surface of the main body 21, and the T-shaped sealing ring 1 is stacked on the elastic member 22 through a C-shaped groove 11. The main body 21 is overlapped on the Y-shaped sealing ring 3, the Y-shaped sealing ring 3 is overlapped on the U-shaped sealing ring 4,U type sealing ring 4 to be propped against the top of the check ring 5, so that the T-shaped sealing ring 1, the V-shaped sealing ring 2, the Y-shaped sealing ring 3, the U-shaped sealing ring 4 and the check ring 5 are sequentially overlapped to form a combined sealing ring.
The Y-shaped sealing ring 3 is inserted into the U-shaped sealing ring 4, so that the Y-shaped sealing ring 3 is wrapped and protected in the U-shaped sealing ring 4, the impact of working medium on the Y-shaped sealing ring 3 is reduced, and the service life of the Y-shaped sealing ring 3 is prolonged.
When the combined sealing ring is used, the combined sealing ring is propped against a sealed surface through the T-shaped sealing ring 1, the section of the elastic piece 22 is circular, the C-shaped groove 11 is propped against the elastic piece 22, the displacement of the elastic piece 22 is prevented, the elastic piece 22 is enabled to continuously prop up the main body 21, two sides of the main body 21 are enabled to be kept against the sealed surface to form a sealing effect, meanwhile, the contact area of the elastic piece 22 and a working medium is reduced due to the fact that the T-shaped sealing ring 1 is propped against the elastic piece 22, the influence of the working medium on the elastic piece 22 is reduced, and the service life of the elastic piece 22 is prolonged. Both sides of the Y-shaped sealing ring 3 and the U-shaped sealing ring 4 are propped against the sealed surface to form a sealing effect. The retainer ring 5 prevents the T-shaped sealing ring 1, the V-shaped universal plug sealing ring 2, the Y-shaped sealing ring 3 and the U-shaped sealing ring 4 from being extruded out of the sealing gap under the pressure of working medium.
The T-shaped sealing ring 1 of the embodiment is provided with an L-shaped avoiding groove 12 relative to one side of the C-shaped groove 11, the cross section of the L-shaped avoiding groove 12 is L-shaped, and interference of the T-shaped sealing ring 1 on the V-shaped sealing ring 2 is reduced.
The inner side of the upper portion of the main body 21 of the present embodiment is provided with a first inner lip 211, the outer side of the upper portion of the main body 21 is provided with a first outer lip 212, a semicircular groove 213 is provided between the first inner lip 211 and the first outer lip 212, the elastic member 22 is partially accommodated in the semicircular groove 213, the elastic member 22 is partially exposed in the semicircular groove 213, and the elastic member 22 is accommodated in the main body 21 and partially exposed on the surface of the main body 21.
The outer sides of the first inner lip 211 and the first outer lip 212 of the embodiment are respectively provided with a first sealing protruding ring 214, and the V-shaped pan plug sealing ring 2 is abutted against the sealed surface through the first sealing protruding rings 214 to form a sealing effect.
The lower part of the main body 21 of the present embodiment is provided with an inverted trapezoidal protrusion 215, and the cross section of the inverted trapezoidal protrusion 215 is inverted trapezoidal. The cross section of the Y-shaped sealing ring 3 is Y-shaped, the top of the Y-shaped sealing ring 3 is provided with an inverted trapezoid groove 31, and the cross section of the inverted trapezoid groove 31 is inverted trapezoid. The width of the bottom of the inverted ladder-shaped protrusion 215 is larger than the width of the bottom of the inner groove of the inverted ladder-shaped groove 31, and the inverted ladder-shaped protrusion 215 is propped against the two inner side walls of the inverted ladder-shaped groove 31. The lubrication groove 32 is formed between the inverted trapezoid protrusion 215 and the inner groove bottom of the inverted trapezoid groove 31, and lubrication grease is injected into the lubrication groove 32, so that the tightness between the V-shaped sealing ring 2 and the Y-shaped sealing ring 3 is better, and meanwhile, the abrasion of the V-shaped sealing ring 2 and the Y-shaped sealing ring 3 is reduced.
The height of the inverted trapezoid protrusion 215 of this embodiment is greater than the depth of the inverted trapezoid groove 31, so that a first abdication space 6 for the deformation of the Y-shaped sealing ring 3 is formed between the inverted trapezoid protrusion 215 and the inner side wall of the inverted trapezoid groove 31, and the Y-shaped sealing ring 3 is more attached to the sealed surface through the first abdication space 6, so that the sealing effect is better.
The inner side of the upper part of the U-shaped sealing ring 4 of the embodiment is provided with a second inner lip 41, the outer side of the upper part of the U-shaped sealing ring 4 is provided with a second outer lip 42, a Y-shaped groove 43 is arranged between the second inner lip 41 and the second outer lip 42, the lower part of the Y-shaped sealing ring 3 is inserted into the Y-shaped groove 43, and the Y-shaped sealing ring 3 is inserted into the U-shaped sealing ring 4, so that the Y-shaped sealing ring 3 is wrapped and held in the U-shaped sealing ring 4, the impact of fluid on the Y-shaped sealing ring 3 is reduced, and the service life of the Y-shaped sealing ring 3 is prolonged.
The length of the cutting is shorter than the depth in the Y-shaped groove 43, so that a lubrication cavity 44 for storing lubricating grease is formed at the bottom of the Y-shaped groove 43, and the lubricating grease is injected into the lubrication cavity 44, so that the tightness between the Y-shaped sealing ring 3 and the U-shaped sealing ring 4 is better. The width of the lower part of the Y-shaped sealing ring 3 is smaller than that of the Y-shaped groove 43, and when the Y-shaped sealing ring 3 and the U-shaped sealing ring 4 are pressed, lubricating grease in the lubricating cavity 44 overflows between the Y-shaped sealing ring 3 and the U-shaped sealing ring 4, so that abrasion of the Y-shaped sealing ring 3 and the U-shaped sealing ring 4 is reduced. The tangential planes 33 are arranged on two sides of the lower part of the Y-shaped sealing ring 3, and lubricating grease in the lubricating cavity 44 is easier to overflow between the Y-shaped sealing ring 3 and the U-shaped sealing ring 4 through the tangential planes 33.
In actual use, the bottom of the lubrication cavity 44 is arc-shaped, the inner wall of the lubrication cavity 44 is smooth, and the resistance of lubricating oil in the lubrication cavity 44 is reduced.
The outer sides of the second inner lip 41 and the second outer lip 42 of the present embodiment are both provided with a second sealing protruding ring 45, and the u-shaped sealing ring 4 is abutted against the sealed surface through the second sealing protruding ring 45 to form a sealing effect.
The tops of the second inner lip 41 and the second outer lip 42 in this embodiment are both provided with a straight portion 46, and a second abdication space 7 for deformation of the Y-shaped sealing ring 3 is formed between the upper portion of the Y-shaped sealing ring 3 and the straight portion 46, and the Y-shaped sealing ring 3 is more attached to the sealed surface through the second abdication space 7, so that the sealing effect is better.
The inner side of the retainer ring 5 of the embodiment is provided with a seal groove 51 group, the seal groove 51 group comprises a plurality of seal grooves 51 which are arranged at intervals, the cross section of the seal groove 51 is arc-shaped, the friction force between the retainer ring 5 and a sealed surface is increased through the seal groove 51, and the T-shaped seal ring 1, the V-shaped pan-plug seal ring 2, the Y-shaped seal ring 3 and the U-shaped seal ring 4 are prevented from being extruded out of a seal gap under the pressure of working medium.
The foregoing is merely exemplary of the present utility model, and those skilled in the art should not be considered as limiting the utility model, since modifications may be made in the specific embodiments and application scope of the utility model in light of the teachings of the present utility model.
Claims (10)
1. The utility model provides a high pressure combination sealing washer which characterized in that: comprises a T-shaped sealing ring (1), a V-shaped pan-plug sealing ring (2), a Y-shaped sealing ring (3), a U-shaped sealing ring (4) and a retainer ring (5),
one end of the T-shaped sealing ring (1) is propped against a sealed metal surface, and a C-shaped groove (11) is formed in the other end of the T-shaped sealing ring (1); the V-shaped pan-plug sealing ring (2) comprises a main body (21) and an elastic piece (22), wherein the elastic piece (22) is contained in the main body (21) and is partially exposed out of the surface of the main body (21), and the T-shaped sealing ring (1) is overlapped on the elastic piece (22) through the C-shaped groove (11); the main part (21) is folded and is located on Y type sealing washer (3), Y type sealing washer (3) are folded and are located U type sealing washer (4), U type sealing washer (4) support in the top of retaining ring (5), make T type sealing washer (1), V type pan-plug seal sealing washer (2), Y type sealing washer (3), U type sealing washer (4) and retaining ring (5) fold in proper order and establish and form the composite seal circle, through Y type sealing washer (3) are inserted in U type sealing washer (4), make in U type sealing washer (4) with Y type sealing washer (3) parcel keeps, reduces fluid to Y type sealing washer (3) impact, extension Y type sealing washer (3) life.
2. The high pressure composite seal ring of claim 1, wherein: the T-shaped sealing ring (1) is provided with an L-shaped avoiding groove (12) at one side opposite to the C-shaped groove (11), so that interference of the T-shaped sealing ring (1) on the V-shaped sealing ring (2) is reduced.
3. The high pressure composite seal ring of claim 1, wherein: the novel elastic piece comprises a main body (21), and is characterized in that a first inner lip (211) is arranged on the inner side of the upper portion of the main body (21), a first outer lip (212) is arranged on the outer side of the upper portion of the main body (21), a semicircular groove (213) is formed between the first inner lip (211) and the first outer lip (212), an elastic piece (22) is partially accommodated in the semicircular groove (213), and the elastic piece (22) is partially exposed in the semicircular groove (213).
4. A high pressure composite seal ring as defined in claim 3, wherein: the first inner lip (211) and the first outer lip (212) are provided with a first sealing protruding ring (214) on the outer sides.
5. The high pressure composite seal ring of claim 1, wherein: the lower part of main part (21) is provided with and falls trapezoidal protruding (215), Y type sealing washer (3) top is provided with and falls trapezoidal recess (31), fall the width of trapezoidal protruding (215) bottom and be greater than fall the width of the inside tank bottom of trapezoidal recess (31), fall trapezoidal protruding (215) support in fall on two inside walls of trapezoidal recess (31), fall trapezoidal protruding (215) with form lubrication groove (32) between the inside tank bottom of trapezoidal recess (31).
6. The high pressure composite seal ring of claim 5, wherein: the height of the inverted trapezoid protrusion (215) is larger than the depth of the inverted trapezoid groove (31), so that a first abdication space (6) for deformation of the Y-shaped sealing ring (3) is formed between the inverted trapezoid protrusion (215) and the inner side wall of the inverted trapezoid groove (31).
7. The high pressure composite seal ring of claim 1, wherein: a second inner lip (41) is arranged on the inner side of the upper part of the U-shaped sealing ring (4), a second outer lip (42) is arranged on the outer side of the upper part of the U-shaped sealing ring (4), a Y-shaped groove (43) is formed between the second inner lip (41) and the second outer lip (42), and the lower part of the Y-shaped sealing ring (3) is inserted into the Y-shaped groove (43);
the length of the lower part of the Y-shaped sealing ring (3) is shorter than the depth in the Y-shaped groove (43), so that a lubrication cavity (44) for storing lubricating grease is formed at the bottom of the Y-shaped groove (43).
8. The high pressure composite seal ring of claim 7, wherein: and a second sealing protruding ring (45) is arranged on the outer sides of the second inner lip (41) and the second outer lip (42).
9. The high pressure composite seal ring of claim 7, wherein: the top of second inner lip (41) and second outer lip (42) all is provided with straight portion (46), the upper portion of Y type sealing washer (3) with form between straight portion (46) and supply Y type sealing washer (3) deformed second space (7) of stepping down.
10. The high pressure composite seal ring of claim 7, wherein: the inner side of the retainer ring (5) is provided with a sealing groove (51) group, the sealing groove (51) group comprises a plurality of sealing grooves (51) which are arranged at intervals, and the section of each sealing groove (51) is arc-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320533354.7U CN219623232U (en) | 2023-03-17 | 2023-03-17 | High-pressure combined sealing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320533354.7U CN219623232U (en) | 2023-03-17 | 2023-03-17 | High-pressure combined sealing ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219623232U true CN219623232U (en) | 2023-09-01 |
Family
ID=87770375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320533354.7U Active CN219623232U (en) | 2023-03-17 | 2023-03-17 | High-pressure combined sealing ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219623232U (en) |
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2023
- 2023-03-17 CN CN202320533354.7U patent/CN219623232U/en active Active
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