CN210153217U - High-performance high-pressure-resistant trapezoidal combined seal - Google Patents
High-performance high-pressure-resistant trapezoidal combined seal Download PDFInfo
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- CN210153217U CN210153217U CN201921031140.XU CN201921031140U CN210153217U CN 210153217 U CN210153217 U CN 210153217U CN 201921031140 U CN201921031140 U CN 201921031140U CN 210153217 U CN210153217 U CN 210153217U
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- sealing slip
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Abstract
The utility model discloses a trapezoidal composite seal of high performance high pressure resistant, including sealed sliding ring, the notch has been seted up to sealed sliding ring's upper end, and the cross-section of notch is the rectangle structure, and notch bottom both sides have seted up the transition circular arc, be equipped with the elastic ring in the notch, the fluting has been seted up at sealed sliding ring's bottom side middle part, and a side of sealed sliding ring is the right angle, and another side slope sets up, one side that sealed sliding ring is close to the inclined plane is equipped with the wedge retaining ring, contained angle between sealed sliding ring slope one side and the bottom surface is β, and the elastic ring is provided with O shape circle and cladding O shape circle the utility model discloses the leakproofness is good, high-speed and high pressure resistant, has self-sealing performance, high life, low friction high reliability, the extensive characteristics of applicable medium scope, especially the elastic ring is surrounded the anti extrusion of protection and wedge retaining ring by trapezoidal sealing.
Description
Technical Field
The utility model relates to a combined seal circle technical field especially relates to a trapezoidal combined seal of high performance high pressure resistant.
Background
Along with the development of society, degree of automation is higher and higher, and there is high-pressure seal environment in many machines inside, this just leads to mechanical equipment to the requirement of high-pressure sealing washer higher and higher, and current ordinary high-pressure sealing washer structure is complicated, and occupation space is big, and can not install in closed slot, and fixed unstable, has restricted the development of host computer, also very easily leads to sealed the inefficacy, can not satisfy the long-term operation requirement, can't reach the stability of sealing performance again, so it is very meaningful to study a high performance resistant high pressure trapezoidal combination seal and solve above problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects of poor high pressure resistant effect and short service life in the prior art, and providing a high-performance high pressure resistant trapezoidal combined seal.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a trapezoidal composite seal of high pressure resistant of high performance, includes sealed sliding ring, the notch has been seted up to sealed sliding ring's upper end, and the cross-section of notch is the rectangle structure, and notch bottom both sides have seted up the transition circular arc, be equipped with the elastic ring in the notch, the fluting has been seted up at sealed sliding ring's bottom side middle part, and a side of sealed sliding ring is the right angle, and another side slope sets up, one side that sealed sliding ring is close to the inclined plane is equipped with the wedge retaining ring.
Preferably, an included angle between one inclined side of the sealing slip ring and the bottom surface is β, a distance between two sides of the lower end of the sealing slip ring is L, a distance between one end, close to the right-angle side surface, of a notch at the upper end of the sealing slip ring and the right-angle side surface is L1, a distance between the upper end and the lower end of the sealing slip ring is h2, a distance between two sides of the notch is L2, and a distance between the upper end of the notch and the bottom of the notch is h 1.
Preferably, the elastic ring is provided with an O-shaped ring and a wrapping O-shaped ring.
Preferably, the fluting can be established to straight face, triangle-shaped, multichannel triangular groove, semicircular groove and door shape groove, and the wedge retaining ring can be established to trapezoidal and triangle-shaped.
Preferably, the sealing slip ring is made of rubber, polyurethane, polytetrafluoroethylene or ultra-high molecular weight polyethylene.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses the leakproofness is good, high-speed high pressure resistant, have self sealss performance, high life, low friction high reliability, the extensive characteristics of applicable medium scope, especially the elastic ring is surrounded the anti extrusion effect of protection and wedge retaining ring by trapezoidal sealing ring, makes it have good high pressure resistant characteristics.
Drawings
Fig. 1 is a cross-sectional view of a high-performance high-pressure resistant trapezoidal combined seal provided by the present invention;
fig. 2 is a cross-sectional view of a sealing slip ring in a high-performance high-pressure-resistant trapezoidal combined seal provided by the present invention;
FIG. 3 is a cross-sectional view of a wedge-shaped retainer ring in a high-performance high-pressure resistant trapezoidal combined seal provided by the present invention;
FIG. 4 is a cross-sectional view of the O-ring wrapped in the high-performance high-pressure resistant trapezoid combined seal provided by the present invention;
fig. 5 is a cross-sectional view of a groove in the high-performance high-pressure-resistant trapezoidal combined seal, which is a straight surface;
FIG. 6 is a cross-sectional view of a semicircular groove formed in a high-performance high-pressure-resistant trapezoidal combined seal according to the present invention;
fig. 7 is a cross-sectional view of a high-performance high-pressure-resistant trapezoidal combined seal with a gate-shaped groove;
FIG. 8 is a cross-sectional view of the wedge-shaped retainer ring in the high-performance high-pressure resistant trapezoid combined seal provided by the present invention, which is triangular;
fig. 9 is the utility model provides a trapezoidal composite seal in-service use schematic diagram of high performance high pressure resistant.
In the figure: the sealing device comprises a sealing sliding ring 1, a notch 2, an elastic ring 3, a slot 4, a wedge-shaped retainer ring 5, a sealing seat 6 and a piston rod 7.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-9, a trapezoidal composite seal of high performance high pressure resistant, including sealing sliding ring 1, notch 2 has been seted up to sealing sliding ring 1's upper end, and the cross-section of notch 2 is the rectangle structure, and 2 bottom both sides of notch have seted up the transition circular arc, are equipped with elastic ring 3 in the notch 2, and fluting 4 has been seted up at sealing sliding ring 1's bottom side middle part, and one side of sealing sliding ring 1 is the right angle, and another side slope sets up, and one side that sealing sliding ring 1 is close to the inclined plane is equipped with wedge retaining ring 5.
The utility model discloses a theory of operation is: when in use, the sealing device is arranged between the sealing seat 6 and the piston rod 7, the O-shaped ring is embedded into the notch 2 of the sealing sliding ring 1 to provide radial force application, so that the extrusion force direction of the elastic ring 3 to the sealing sliding ring 1 is ensured not to deviate, the sealing sliding ring 1 is tightly attached to the piston rod 7 to realize sealing, under the action of high-pressure fluid, the sealing holding force is larger, so that the sealing performance is better, the elastic ring 3 is surrounded and protected by the sealing sliding ring 1 and cannot be extruded out, the high-pressure-resistant sealing device can resist high pressure, the wedge-shaped retainer ring 5 plays a role in protecting the sealing sliding ring 1, has an anti-extrusion function, further improves the high-pressure-resistant capacity of combined sealing, and the inner wall of the sealing sliding ring 1 is provided with a triangular groove, a semicircular groove, a door-shaped groove and the like, has the functions of storing, lubricating and reducing friction, and therefore has the effects of long service life, low friction and excellent high-pressure-resistant sealing performance.
Further, contained angle between sealed sliding ring slope one side and the bottom surface is β, distance between the sealed sliding ring lower extreme both sides is L, and the distance that sealed sliding ring upper end notch is close to right angle side one end and right angle side is L1, distance between the sealed sliding ring upper and lower both ends is h2, the distance of notch both sides is L2, the distance of notch upper end distance bottom is h1, thereby reach fine sealed effect, elastic ring 3 is provided with O shape circle and cladding O shape circle, fluting 4 can be established to straight face, triangle-shaped, multichannel triangular groove, semicircular groove and door shape groove, wedge retaining ring 5 can be established to trapezoidal and triangle-shaped, thereby adapt to the use of different environment, trapezoidal sealing ring 1 and wedge retaining ring 5 adopt rubber, polyurethane, polytetrafluoroethylene or its combined material's ultrahigh molecular weight polyethylene preparation, thereby improve resistance to pressure and wearability.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides a trapezoidal composite seal of high performance high pressure resistant, includes sealing slip ring (1), its characterized in that, notch (2) have been seted up to the upper end of sealing slip ring (1), and the cross-section of notch (2) is the rectangle structure, and notch (2) bottom both sides have seted up the transition circular arc, be equipped with elastic ring (3) in notch (2), fluting (4) have been seted up at the bottom side middle part of sealing slip ring (1), and a side of sealing slip ring (1) is the right angle, and another side slope sets up, one side that sealing slip ring (1) is close to the inclined plane is equipped with wedge retaining ring (5).
2. The high-performance high-pressure-resistant trapezoidal combined seal as claimed in claim 1, wherein the included angle between the inclined side of the sealing slip ring (1) and the bottom surface is β, the distance between the two sides of the lower end of the sealing slip ring (1) is L, the distance between the end of the notch (2) at the upper end of the sealing slip ring (1) close to the right-angled side surface and the right-angled side surface is L1, the distance between the upper end and the lower end of the sealing slip ring (1) is h2, the distance between the two sides of the notch (2) is L2, and the distance between the upper end of the notch (2) and the bottom is h 1.
3. A high-performance high-pressure resistant trapezoidal composite seal according to claim 1, characterized in that the elastic ring (3) is provided with an O-ring and a wrapping O-ring.
4. A high-performance high-pressure resistant trapezoidal combined seal as claimed in claim 1, characterized in that the open groove (4) can be designed as a flat surface, a triangle, a multi-channel triangular groove, a semi-circular groove and a door-shaped groove, and the wedge-shaped retainer ring (5) can be designed as a trapezoid and a triangle.
5. A high performance high pressure resistant ladder shaped combined seal as claimed in claim 1, characterized in that the sealing slip ring (1) is made of rubber, polyurethane, Polytetrafluoroethylene (PTFE) or ultra high molecular weight polyethylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921031140.XU CN210153217U (en) | 2019-07-04 | 2019-07-04 | High-performance high-pressure-resistant trapezoidal combined seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921031140.XU CN210153217U (en) | 2019-07-04 | 2019-07-04 | High-performance high-pressure-resistant trapezoidal combined seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210153217U true CN210153217U (en) | 2020-03-17 |
Family
ID=69765197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921031140.XU Active CN210153217U (en) | 2019-07-04 | 2019-07-04 | High-performance high-pressure-resistant trapezoidal combined seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210153217U (en) |
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2019
- 2019-07-04 CN CN201921031140.XU patent/CN210153217U/en active Active
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