CN218780763U - External dynamic medium-high pressure sealing ring for one-way hole - Google Patents
External dynamic medium-high pressure sealing ring for one-way hole Download PDFInfo
- Publication number
- CN218780763U CN218780763U CN202222886209.5U CN202222886209U CN218780763U CN 218780763 U CN218780763 U CN 218780763U CN 202222886209 U CN202222886209 U CN 202222886209U CN 218780763 U CN218780763 U CN 218780763U
- Authority
- CN
- China
- Prior art keywords
- sealing washer
- vice
- sealing ring
- ring
- section
- Prior art date
- 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.)
- Active
Links
Images
Landscapes
- Sealing Devices (AREA)
Abstract
The utility model relates to a sealing washer technical field just discloses an one-way hole is with outer dynamic well high-pressure seal circle. The main seal ring is characterized by comprising a main seal ring with an annular section, wherein the root of the U-shaped seal ring with a long inner part and a short outer part is a straight surface and is inverted with an installation chamfer. The width of the vice sealing washer of second is greater than the thickness of first vice sealing washer, it is annular spread groove to constitute a section jointly between the lateral wall that main seal circle is close to first vice sealing washer and the vice sealing washer of second and first vice sealing washer and the vice sealing washer of second, main seal circle, the whole cross-section of the vice sealing washer of first vice sealing washer and second are long lip U-shaped and set up, and the outer lip of cross-section is short, the inner lip is long. The utility model discloses a setting of U type, the oil impact sealing washer for the sealing washer receives the impact force, and then improves the leakproofness between sealing washer and the hydro-cylinder.
Description
Technical Field
The utility model relates to a sealing washer technical field especially relates to an one-way hole is with outer dynamic well high-pressure seal circle.
Background
The oil cylinder is also called a hydraulic cylinder, and is a hydraulic execution component which converts hydraulic energy into mechanical energy and makes linear reciprocating motion (or swinging motion). It has simple structure and reliable operation. When it is used to implement reciprocating motion, it can omit speed-reducing device, and has no transmission gap, and its motion is stable, so that it can be extensively used in various mechanical hydraulic systems. The output force of the hydraulic cylinder is in direct proportion to the effective area of the piston and the pressure difference between the two sides of the effective area; the hydraulic cylinder is basically composed of a cylinder barrel and a cylinder cover, a piston and a piston rod, a sealing device, a buffering device and an exhaust device.
The sealing ring is one of a plurality of parts in the oil cylinder, the traditional sealing ring is made of simple rubber, the sealing performance of the sealing ring can be reduced after the traditional rubber is used for a long time, and therefore the dynamic medium-high pressure sealing ring for the one-way hole is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that traditional sealing washer for the hydro-cylinder appears at the in-process that uses among the prior art, and the problem of the outer dynamic medium and high pressure seal circle of an one-way hole that proposes, and the outer dynamic medium and high pressure seal circle of an one-way hole that proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an one-way hole is with outer dynamic well high-pressure seal circle, is annular main seal circle including the section, all be the first secondary seal circle and the vice sealing washer of second that the annular set up from inside to outside fixedly connected with section in proper order on the vertical lateral wall of one side of main seal circle, the width of the vice sealing washer of second is greater than the thickness of first secondary seal circle, it is annular spread groove to constitute a section jointly between the lateral wall that main seal circle is close to first secondary seal circle and the vice sealing washer of second and first secondary seal circle and the vice sealing washer of second, main seal circle, first secondary seal circle and the whole cross-section of the vice sealing washer of second are long short lip U-shaped and set up, and the outer lip of cross-section is short, the inner lip is long.
Preferably, the inner diameter of the first secondary sealing ring is 40.86mm at the shortest.
Preferably, the sum of the thicknesses of the main sealing ring and the second auxiliary sealing ring is 8mm.
Preferably, the radius of the U-shaped cross section of each of the main sealing ring, the first auxiliary sealing ring and the second auxiliary sealing ring is 0.8mm.
Preferably, the second secondary sealing ring is away from the outer side of the primary sealing ring and is arranged in a chamfer angle of 172 degrees.
Preferably, the first secondary sealing ring is away from the inner side of the main sealing ring and is arranged in a 30-degree chamfer angle mode.
Compared with the prior art, the utility model provides an one-way hole is with outer dynamic well high-pressure seal circle possesses following beneficial effect:
the outer dynamic medium-high pressure sealing ring for the one-way hole is provided with a main sealing ring, a first auxiliary sealing ring, a second auxiliary sealing ring and a connecting groove, wherein the cross section of the main sealing ring is in a long and short lip U-shaped sealing ring form, the outer lip is short, the inner lip is long, and the outer lip is specially suitable for the size of a pull rod groove of an oil cylinder; the U-shaped arrangement is adopted, and the sealing ring is impacted by oil pressure, so that the sealing ring is impacted, and the sealing property between the sealing ring and the oil cylinder is improved.
The device does not relate to the part among all the same with prior art or can adopt prior art to realize, the utility model discloses a setting of U type, the oil pressure strikes the sealing washer for the sealing washer receives the impact force, and then improves the leakproofness between sealing washer and the hydro-cylinder.
Drawings
Fig. 1 is the utility model provides a structural schematic diagram of one-way hole is with outer dynamic medium-high pressure seal circle.
In the figure: 1 main sealing ring, 2 first auxiliary sealing rings, 3 second auxiliary sealing rings and 4 connecting grooves.
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.
In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1, an external dynamic medium-high pressure seal ring for a one-way hole, which comprises a main seal ring 1 with an annular section, wherein a first auxiliary seal ring 2 and a second auxiliary seal ring 3 with annular sections are fixedly connected on the vertical side wall of one side of the main seal ring 1 from the ring center of the main seal ring 1 from inside to outside in sequence, the width of the second auxiliary seal ring 3 is larger than the thickness of the first auxiliary seal ring 2, a connecting groove 4 with an annular section is formed between the side wall of the main seal ring 1 close to the first auxiliary seal ring 2 and the second auxiliary seal ring 3 and the first auxiliary seal ring 2 and the second auxiliary seal ring 3, the main seal ring 1, the first auxiliary seal ring 2 and the second auxiliary seal ring 3 are integrally arranged in a long and short lip U shape in section, the outer lip and the inner lip of the section are long, the section is in a long and short lip U shape seal ring form, the outer lip is long, the inner lip is short, the seal ring is specially suitable for the size of a piston groove of an oil cylinder, the seal ring utilizes a hydraulic principle, hydraulic oil in the sealed hydraulic oil cylinder is pressed to the U-shaped position under the pressure of an oil pump, the oil pressure can be extruded to the seal lips at two sides, the seal lips are also extruded to the oil cylinder and the cylinder wall under the stress, so that the seal effect is achieved, the short lip position requires short and strong force due to pull rod friction, the overpressure on the cylinder wall can be prevented, the friction force is reduced, and the good sealing performance and the small friction force are very well known to be used for a one-way pull rod for a shaft; the U-shaped arrangement is adopted, and the oil pressure impacts the sealing ring, so that the sealing ring is subjected to impact force, and the sealing performance between the sealing ring and the oil cylinder is improved.
The first secondary sealing ring 2 has a minimum inner diameter of 40.86mm.
The sum of the thicknesses of the main sealing ring 1 and the second auxiliary sealing ring 3 is 8mm.
The radiuses of the U-shaped cross sections of the main sealing ring 1, the first auxiliary sealing ring 2 and the second auxiliary sealing ring are 0.8mm.
The outside that the second pair of sealing washer 3 kept away from main sealing washer 1 is 172 degrees chamfer settings.
The inner side of the first auxiliary sealing ring 2 far away from the main sealing ring 1 is chamfered by 30 degrees.
The utility model discloses in, the cross-section is a long short lip U-shaped sealing washer form, the outer lip is short, the inner lip is long, specially adapted cylinder piston slot size, the sealing washer utilizes hydraulic principle, the hydraulic oil in the sealed hydraulic cylinder is supplied pressure to the U-shaped position by the pressure of oil pump, the oil pressure can be to both sides seal lip extrusion, the seal lip atress also extrudees to hydro-cylinder and cylinder wall, thereby play the sealing action, the short lip position requires short and short forcefully because of the pull rod friction, can prevent the excessive pressure in the cylinder wall, the frictional force has been reduced, good leakproofness and little frictional force are known very much to be used for hole to use one-way piston to seal; the U-shaped arrangement is adopted, and the oil pressure impacts the sealing ring, so that the sealing ring is subjected to impact force, and the sealing performance between the sealing ring and the oil cylinder is improved.
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 (6)
1. The utility model provides an one-way hole is with outer dynamic medium and high pressure seal circle, is annular main seal circle (1) including the section, its characterized in that, starting from the ring center of main seal circle (1) on the vertical lateral wall in one side of main seal circle (1) from inside to outside in proper order fixedly connected with section all is the first vice sealing washer (2) and the vice sealing washer (3) of second that the annular set up, the width of the vice sealing washer (3) of second is greater than the thickness of first vice sealing washer (2), constitute a section jointly between the lateral wall that main seal circle (1) is close to the vice sealing washer (3) of first vice sealing washer (2) and second and first vice sealing washer (2) and the vice sealing washer (3) of second and be annular spread groove (4), main seal circle (1), first vice sealing washer (2) and the vice sealing washer (3) whole section of second are long short lip U-shaped setting, and the outer lip of section is short, interior lip is long.
2. An external dynamic medium-high pressure seal ring for a unidirectional bore according to claim 1, characterized in that the first secondary seal ring (2) has an outer diameter of at least 40.86mm.
3. An external dynamic medium high pressure seal ring for unidirectional holes according to claim 1, characterized in that the sum of the thicknesses of the primary seal ring (1) and the secondary seal ring (3) is 8mm.
4. The external dynamic medium-high pressure sealing ring for the one-way hole is characterized in that the radius of the U-shaped section of the main sealing ring (1), the first secondary sealing ring (2) and the second secondary sealing ring (3) is 0.8mm.
5. The external dynamic medium-high pressure sealing ring for the one-way hole is characterized in that the outer side of the second auxiliary sealing ring (3) far away from the main sealing ring (1) is chamfered at 172 degrees.
6. The external dynamic medium-high pressure sealing ring for the one-way hole is characterized in that the first secondary sealing ring (2) is arranged at a 30-degree chamfer angle away from the inner side of the main sealing ring (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222886209.5U CN218780763U (en) | 2022-10-31 | 2022-10-31 | External dynamic medium-high pressure sealing ring for one-way hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222886209.5U CN218780763U (en) | 2022-10-31 | 2022-10-31 | External dynamic medium-high pressure sealing ring for one-way hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218780763U true CN218780763U (en) | 2023-03-31 |
Family
ID=85709239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222886209.5U Active CN218780763U (en) | 2022-10-31 | 2022-10-31 | External dynamic medium-high pressure sealing ring for one-way hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218780763U (en) |
-
2022
- 2022-10-31 CN CN202222886209.5U patent/CN218780763U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211202492U (en) | Hydraulic cylinder structure with built-in steel ball self-locking mechanism at any position | |
| CN218780763U (en) | External dynamic medium-high pressure sealing ring for one-way hole | |
| CN214063791U (en) | One-way inner dynamic middle-high pressure seal ring for shaft | |
| CN206072011U (en) | A kind of cylinder with lock with water-proof function | |
| CN205858848U (en) | There is the energy-saving and noise-reducing single-acting blow cylinder of return reset gas spring in cylinder | |
| CN209925327U (en) | Multi-cylinder combined lorry-mounted crane telescopic boom oil cylinder with sequential front belt and rear belt for buffering | |
| CN207583734U (en) | Hydraulic cylinder assembly | |
| CN216430125U (en) | Structure for increasing starting pressure when piston rod of hydraulic cylinder extends out | |
| CN111677714B (en) | Piston structure for high-pressure low-friction hydraulic cylinder | |
| CN210769627U (en) | Single-rod piston type hydraulic cylinder | |
| CN214998550U (en) | High-precision multilayer sealing hydraulic piston | |
| CN208203693U (en) | A kind of oil cylinder cylinder seat connection component | |
| CN219605707U (en) | High-reliability 150Mpa ultrahigh-pressure hydraulic cylinder | |
| CN211144968U (en) | Servo cylinder with improved valve block O-shaped ring mounting groove structure | |
| CN216430130U (en) | Farm limiting oil cylinder capable of being started and stopped randomly | |
| CN221374431U (en) | High-efficient seal structure is used to pneumatic cylinder | |
| CN219795744U (en) | Underwater oil cylinder | |
| CN211820174U (en) | Hydraulic cylinder combination seal structure | |
| CN221195583U (en) | Hydraulic cylinder with combined sealing structure | |
| CN210178679U (en) | Low-noise hydraulic oil cylinder | |
| CN210889885U (en) | Novel oil buffer | |
| CN213360639U (en) | Material pumping device based on hydraulic cylinder | |
| CN215334398U (en) | Hydraulic cylinder with adjustable piston rod buffering force and self-adaptive angle | |
| CN212717489U (en) | Self-sealing hydraulic oil cylinder | |
| CN219082245U (en) | High-temperature high-speed wear-resistant reciprocating sealing ring for unidirectional hole made of PTFE+B material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |