CN210344264U - Low-pressure V-shaped combined piston sealing element - Google Patents
Low-pressure V-shaped combined piston sealing element Download PDFInfo
- Publication number
- CN210344264U CN210344264U CN201921378549.9U CN201921378549U CN210344264U CN 210344264 U CN210344264 U CN 210344264U CN 201921378549 U CN201921378549 U CN 201921378549U CN 210344264 U CN210344264 U CN 210344264U
- Authority
- CN
- China
- Prior art keywords
- ring
- section
- cross
- diameter surface
- sealing washer
- 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
Abstract
The utility model relates to the technical field of mechanical seal, especially, relate to a low pressure V-arrangement combined piston sealing member, including the one deck support ring, the same sealing washer of at least three-layer cross-section and the stack of one deck retaining ring outside-in are in the same place, the cross-section of sealing washer is the V-arrangement cross-section of opening inside, the scope of the contained angle α in V-arrangement cross-section is 50 degrees ~ 60 degrees, the middle part cross-section of sealing washer outer diameter face is the polygon, the middle part cross-section of sealing washer inner diameter face is arc, the V-arrangement sealing washer that is middle thin both sides thick is of sealing washer, the notched square sealing washer is seted up for the inner wall to the support ring, two corners of the outer wall of support ring all establish to the chamfer, the retaining ring is the irregular octagon retaining ring of axial symmetry in cross-section, the outer diameter face of retaining ring comprises the three face of irregular octagon, the inner diameter face of retaining ring comprises the other three face of irregular octagon, the top surface and the.
Description
Technical Field
The utility model relates to a mechanical seal technical field especially relates to a low pressure V-arrangement composite piston sealing member.
Background
With the development of modern industry, the complexity of working conditions and the appearance of various hydraulic or pneumatic devices, the importance of mechanical device sealing is self-evident, and the importance of the mechanical device sealing is critical in industrial production, which determines the transmission performance of fluid and gas and the quality of sealing products in industrial automation. Because the V-shaped sealing ring is a lip-shaped sealing ring, when the V-shaped sealing ring works, the end face of the V-shaped sealing ring is thick and solid, and the size is accurate, so that the double-acting combined sealing element which has the advantages of stable placement, reliable sealing performance, large elastic modulus, good rebound elasticity, wear resistance, stain resistance, water resistance and oil splashing resistance is obtained.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model aims at providing a can axial motion, elasticity modulus is big, wear-resisting low pressure V-arrangement composite piston sealing member.
The utility model provides a low pressure V-arrangement composite piston sealing member, including the same sealing washer of one deck support ring, at least three-layer cross-section and the stack of one deck retaining ring outside-in together, the cross-section of sealing washer is the inward V-arrangement cross-section of opening, the scope of V-arrangement cross-section's contained angle α is 50 degrees ~ 60 degrees, the middle part cross-section of sealing washer outer diameter face is the polygon, the middle part cross-section of sealing washer inner diameter face is convex, the V-arrangement sealing washer that is middle thin both sides thick of sealing washer, the notched square seal circle is seted up for the inner wall to the support ring, the chamfer is all established to two corners of the outer wall of support ring, the retaining ring is the irregular octagon retaining ring of axial symmetry in cross-section, the outer diameter face of retaining ring by the three face of irregular octagon is constituteed, the inner diameter face of retaining ring by the other three face of irregular octagon is.
Furthermore, the cross section of the middle part of the outer diameter surface of the sealing ring is a triangle with an inward opening.
Furthermore, two corners of the inner diameter surface of the retainer ring are both provided with chamfers.
Furthermore, the outer diameter surface of the retainer ring is an inverted trapezoidal surface formed by three surfaces of the irregular octagon.
Furthermore, the retainer ring is abutted against the inner diameter surface of the sealing ring through the joint of the outer diameter surface of the retainer ring and the top surface and the bottom surface of the retainer ring.
Borrow by above-mentioned scheme, the utility model discloses at least, have following advantage: the utility model provides a low pressure V-arrangement composite piston sealing member's terminal surface is thick and durable, and the size is accurate to obtain a sealing washer and lay stably, sealing performance is reliable, elastic modulus is big and have the two effect composite seal spare of good resilience, wearability.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
Fig. 1 is a cross-sectional view of a low pressure V-shaped composite piston seal provided by the present invention.
The meanings of the reference symbols in the drawings are as follows.
1 support ring 2 seal ring
3 baffle ring 4 chamfer
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
Referring to fig. 1, the utility model provides a pair of low pressure V-arrangement combination piston sealing member, including one deck support ring 1, the same sealing washer 2 of at least three-layer cross-section and the stack of one deck retaining ring 3 outside-in are in the same place, the cross-section of sealing washer 2 is the V-arrangement cross-section of opening inwards, the scope of V-arrangement cross-section's contained angle α is 50 degrees ~ 60 degrees, the middle part cross-section of sealing washer 2 outer diameter face is the polygon, the middle part cross-section of sealing washer 2 inner diameter face is convex, sealing washer 2 is middle thin both sides thick V-arrangement sealing washer 2, notched square seal ring is seted up for the inner wall to support ring 1, two corners of support ring 1's outer wall all establish to chamfer 4, retaining ring 3 is the irregular octagon retaining ring of axial symmetry in the cross-section, retaining ring 3's outer diameter face comprises the three face of irregular octagon, retaining ring 3's inner diameter face comprises the.
The low-pressure V-shaped combined piston sealing element adopts the superposition work of the outside and the inside of one layer of support ring 1, at least three layers of sealing rings 2 with the same cross section and one layer of retainer ring 3, thus, the stable and reliable sealing performance can be ensured, and the sealing performance of the sealing element for bearing impact is ensured by matching at least three layers of composite sealing rings, and the sealing element has large elastic modulus, has good rebound resilience, wear resistance, antifouling, waterproof and oil splashing prevention performances, and can meet the sealing requirements of various hydraulic or pneumatic devices.
In order to fill sealing materials conveniently, the cross section of the middle part of the outer diameter surface of the sealing ring 2 is a triangle with an inward opening.
In order to make the low-pressure V-shaped combined sealing element provided by the application be matched and used in various places, two corners of the inner diameter surface of the retainer ring 3 are provided with chamfers 4.
In order not to collide with the inner diameter surface of the sealing ring 2, the outer diameter surface of the retainer ring 3 is an inverted trapezoidal surface formed by three surfaces of an irregular octagon.
In order to play a role of buffering and sealing, the retainer ring 3 is abutted against the inner diameter surface of the sealing ring 2 through the joint of the outer diameter surface and the top surface and the bottom surface.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (5)
1. The low-pressure V-shaped combined piston sealing element is characterized by comprising a support ring layer, at least three seal rings with the same cross section and a check ring layer, wherein the seal rings and the check ring layer are overlapped from outside to inside, the cross sections of the seal rings are V-shaped cross sections with inward openings, the included angle α of the V-shaped cross sections ranges from 50 degrees to 60 degrees, the middle cross section of the outer diameter surface of each seal ring is polygonal, the middle cross section of the inner diameter surface of each seal ring is arc-shaped, each seal ring is a V-shaped seal ring with a thin middle and thick two sides, each support ring is a square seal ring with a groove formed in the inner wall, two corners of the outer wall surface of each support ring are provided with chamfers, each check ring is an irregular octagonal check ring with an axisymmetrical cross section, the outer diameter surface of each check ring is composed of three irregular octagonal faces, the inner diameter surface of each check ring is composed of the other three irregular.
2. The low pressure V-pack piston seal according to claim 1, wherein: the middle cross section of the outer diameter surface of the sealing ring is a trilateral with an inward opening.
3. The low pressure V-pack piston seal according to claim 1, wherein: two corners of the inner diameter surface of the retainer ring are both provided with chamfers.
4. The low pressure V-pack piston seal according to claim 1, wherein: the outer diameter surface of the retainer ring is an inverted trapezoidal surface formed by three surfaces of the irregular octagon.
5. The low pressure V-pack piston seal according to claim 1, wherein: the retainer ring is abutted against the inner diameter surface of the sealing ring through the joint of the outer diameter surface of the retainer ring and the top surface and the bottom surface of the retainer ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921378549.9U CN210344264U (en) | 2019-08-23 | 2019-08-23 | Low-pressure V-shaped combined piston sealing element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921378549.9U CN210344264U (en) | 2019-08-23 | 2019-08-23 | Low-pressure V-shaped combined piston sealing element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210344264U true CN210344264U (en) | 2020-04-17 |
Family
ID=70176049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921378549.9U Active CN210344264U (en) | 2019-08-23 | 2019-08-23 | Low-pressure V-shaped combined piston sealing element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210344264U (en) |
-
2019
- 2019-08-23 CN CN201921378549.9U patent/CN210344264U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101956780B (en) | Viscous damper | |
| CN204201078U (en) | A kind of y-type seal ring | |
| CN210344264U (en) | Low-pressure V-shaped combined piston sealing element | |
| US10907736B2 (en) | Split seal ring | |
| US8424657B2 (en) | Cylinder assembly | |
| CN208123444U (en) | Dust seal | |
| CN203717927U (en) | Sealing ring | |
| CN205371632U (en) | Cambered surface Y composite seal that appears | |
| CN204852337U (en) | High performance multipurpose cusp Y shape composite seal device | |
| JP6478551B2 (en) | Composite sealing material for excavator | |
| CN210484612U (en) | Single-acting piston sealing ring | |
| CN207437771U (en) | A kind of interior bag skeleton composite seal | |
| US20170074442A1 (en) | Rotary joint for a high pressure fluid | |
| CN211039667U (en) | Double-acting hydraulic pneumatic sealing ring | |
| CN101936396B (en) | Shaft seal structure | |
| CN211449637U (en) | Combined sealing washer | |
| CN206175666U (en) | Two skeleton oil blanket spares | |
| CN203585324U (en) | Sealing element | |
| CN207864625U (en) | V-arrangement rotating seal | |
| CN206257098U (en) | Piston rod sealing ring | |
| CN205350358U (en) | High pressure resistant V -arrangement resistance to compression ring composite seal that takes | |
| CN210484615U (en) | Double-acting piston sealing ring | |
| CN204253502U (en) | Cylinder piston structure-improved | |
| CN218625421U (en) | Rotary sealing ring | |
| CN212106899U (en) | Sealing assembly and piston sealing structure for hydraulic breaking hammer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |