CN208252754U - A kind of O-shaped sealing device - Google Patents
A kind of O-shaped sealing device Download PDFInfo
- Publication number
- CN208252754U CN208252754U CN201820800352.9U CN201820800352U CN208252754U CN 208252754 U CN208252754 U CN 208252754U CN 201820800352 U CN201820800352 U CN 201820800352U CN 208252754 U CN208252754 U CN 208252754U
- Authority
- CN
- China
- Prior art keywords
- sealing ring
- movable plate
- connecting rod
- cylinder
- sealing
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of O-shaped sealing devices, including the first sealing ring, the second sealing ring is arranged in the side of first sealing ring, the side of first sealing ring is arranged between the second sealing ring and elastic connecting device is arranged, spring is set in elastic connecting device, two sealing rings are arranged in the utility model, two sealing rings are respectively used to the sealing of annular groove both ends, two sealing rings can share the pressure of annular groove, extend the service life of this O-shaped sealing device, this O-shaped sealing device is used for the sealing of water.
Description
Technical field
The utility model relates to technical field of sealing technology more particularly to a kind of O-shaped sealing devices.
Background technique
O-ring seal is that a kind of section is that circular rubber seal is simple to manufacture because cheap, and function is reliable,
And installation requirement is simple, and O V-shaped ring is the most common sealing element.General O-ring seal designs for individual pen, and one O-shaped
Sealing ring will bear the pressure at annular groove both ends simultaneously, influence its service life.
Summary of the invention
Purpose of the utility model is to solve disadvantages existing in the prior art, and the O-shaped sealing dress of the one kind proposed
It sets.
To achieve the goals above, the utility model adopts the technical scheme that
The second sealing ring, institute is arranged in the side of a kind of O-shaped sealing device, including the first sealing ring, first sealing ring
The side for stating the first sealing ring, which is arranged between the second sealing ring, is arranged elastic connecting device, and the elastic connecting device includes first
Connecting rod, the first movable plate, spring, cylinder, the second movable plate and the second connecting rod, one end connection the of the first connecting rod
One sealing ring, the other end of the first connecting rod connect the first movable plate, and one end connection second of second connecting rod is close
The other end of seal, second connecting rod connects the second movable plate, is arranged between first movable plate and the second movable plate
Spring, first movable plate, the second movable plate and spring pocket are within the barrel.
Preferably, the shape of the cylinder is hollow cylinder, and two end faces of the cylinder open up through-hole, the cylinder
It is socketed first connecting rod in the through-hole of one end, is socketed the second connecting rod in the through-hole of the cylinder other end.
Preferably, one end of the spring is contacted with the first movable plate, and the other end of spring is contacted with the second movable plate.
Preferably, it is fixedly connected with block on the outer wall of the cylinder, water-swellable waterstop is fixedly connected on the link block,
Link block is Nian Jie with cylinder by glue, and link block is Nian Jie with water-swellable waterstop by glue.
Preferably, the first connecting rod is Nian Jie by glue with the first sealing ring, the second connecting rod and the second sealing ring
It is bonded by glue.
The beneficial effects of the utility model are:
1, this O-shaped sealing device is used for the sealing of water, and two sealing rings, two sealing rings are arranged in this O-shaped sealing device
It is respectively used to the sealing of annular groove both ends, and the pressure of the receiving annular groove side of a sealing ring, the receiving of another sealing ring
The pressure of the annular groove other side, two sealing rings can share the pressure of annular groove, extend the service life of this O-shaped sealing device,
Elastic connecting device is set between two sealing rings, can be reduced the influence between two sealing rings of connection, while liquid can be mitigated
The impact of pressure.
2, water-swellable waterstop is set in this O-shaped sealing device, water-swellable waterstop energy water-swellable, can absorb from
Water that sealing ring leaks out and expand so that water-swellable waterstop is contacted with the surface of workpiece, reinforce sealing effect.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of O-shaped sealing device structural schematic diagram；
Fig. 2 be the utility model proposes a kind of O-shaped sealing device side structural schematic diagram；
Fig. 3 be the utility model proposes a kind of O-shaped sealing device A at structural schematic diagram；
Fig. 4 be the utility model proposes a kind of O-shaped sealing device assembly structural schematic diagram.
In figure: 1 first sealing ring, 2 first connecting rods, 3 first movable plates, 4 water-swellable waterstops, 5 link blocks, 6 bullets
Spring, 7 cylinders, 8 second sealing rings, 9 second connecting rods, 10 second movable plates.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-4, a kind of O-shaped sealing device, including the first sealing ring 1, the side setting the of first sealing ring 1
Two sealing rings 8, the first sealing ring 1 is identical with shape with 8 structure of the second sealing ring, two sealings of setting in this O-shaped sealing device
Circle, two sealing rings are respectively used to the sealing of annular groove both ends, and the pressure of the receiving annular groove side of a sealing ring, another
The pressure of the receiving annular groove other side of sealing ring, two sealing rings can share the pressure of annular groove, more tired than sealing ring
Labor intensity is high, extends the service life of this O-shaped sealing device, and the side of first sealing ring 1 is arranged between the second sealing ring 8
Elastic connecting device is set, can be reduced the influence between two sealing rings of connection, while the impact of fluid pressure can be mitigated, it is described
Elastic connecting device includes first connecting rod 2, the first movable plate 3, spring 6, cylinder 7, the second movable plate 10 and the second connecting rod
9, one end of the first connecting rod 2 connects the first sealing ring 1, and first connecting rod 2 is Nian Jie by glue with the first sealing ring 1,
The other end of the first connecting rod 2 connects the first movable plate 3, and one end of second connecting rod 9 connects the second sealing ring 8,
Second connecting rod 9 is Nian Jie by glue with the second sealing ring 8, and the other end of second connecting rod 9 connects the second movable plate 10,
Spring 6 is set between first movable plate 3 and the second movable plate 10, and spring 6 can mitigate sealing ring one end liquid pressure simultaneously
The impact of power, one end of spring 6 are contacted with the first movable plate 3, and the other end of spring 6 is contacted with the second movable plate 10, and described
In cylinder 7, cylinder 7 protects spring 6, first the 3, second activity of movable plate for one movable plate 3, the second movable plate 10 and 6 sets of spring
Plate 10 can move in cylinder 7, and to cooperate the realization of 6 function of spring, the shape of cylinder 7 is hollow cylinder, the cylinder 7
Two end faces open up through-hole, socket first connecting rod 2 in the through-hole of described 7 one end of cylinder, in the through-hole of 7 other end of cylinder
It is socketed the second connecting rod 9, setting group elastic connecting device between two sealing rings can be reduced the shadow between two sealing rings of connection
It rings, while the impact of the fluid pressure of sealing ring side can be mitigated.
Further, it is fixedly connected with block 5 on the outer wall of cylinder 7, is fixedly connected with water-swellable waterstop on the link block 5
4, water-swellable waterstop 4 is annular, and the quantity of water-swellable waterstop 4 is two, outside external water-swellable waterstop 4
The size of diameter is less than the size of the outer diameter of sealing ring, and the size of the internal diameter of internal water-swellable waterstop 4 is greater than sealing ring
The size of internal diameter, 4 energy water-swellable of water-swellable waterstop, can absorb and expand from the water that sealing ring leaks out, so that it is swollen to meet water
Swollen waterstop 4 is contacted with the surface of workpiece, reinforces sealing effect, link block 5 is Nian Jie with cylinder 7 by glue, and link block 5 passes through
Glue is Nian Jie with water-swellable waterstop 4, and structure is simple.
Working principle
Two sealing rings are set in this O-shaped sealing device, and two sealing rings are respectively used to the sealing of annular groove both ends, and first is close
The pressure of the receiving annular groove side of seal 1, the pressure of the receiving annular groove other side of the second sealing ring 8, two sealing ring energy
Share the pressure of annular groove, the side of the first sealing ring 1, which is arranged between the second sealing ring 8, is arranged elastic connecting device, and elasticity is even
Spring 6 in connection device can be reduced the influence between two sealing rings of connection, while can mitigate the impact of fluid pressure.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (5)
1. a kind of O-shaped sealing device, including the first sealing ring (1), which is characterized in that the side of first sealing ring (1) is set
It sets the second sealing ring (8), elastic connecting device is set between the side setting the second sealing ring (8) of first sealing ring (1),
The elastic connecting device includes first connecting rod (2), the first movable plate (3), spring (6), cylinder (7), the second movable plate
(10) and the second connecting rod (9), one end of the first connecting rod (2) connect the first sealing ring (1), the first connecting rod
(2) the other end connects the first movable plate (3), and one end of second connecting rod (9) connects the second sealing ring (8), and described the
The other end of two connecting rods (9) connects the second movable plate (10), sets between first movable plate (3) and the second movable plate (10)
It sets spring (6), first movable plate (3), the second movable plate (10) and spring (6) cover in cylinder (7).
2. a kind of O-shaped sealing device according to claim 1, which is characterized in that the shape of the cylinder (7) is open circles
Cylinder, two end faces of the cylinder (7) open up through-hole, are socketed first connecting rod (2) in the through-hole of described cylinder (7) one end,
The second connecting rod (9) are socketed in the through-hole of cylinder (7) other end.
3. a kind of O-shaped sealing device according to claim 1, which is characterized in that one end of the spring (6) is living with first
Movable plate (3) contact, the other end of spring (6) are contacted with the second movable plate (10).
4. a kind of O-shaped sealing device according to claim 1, which is characterized in that fixed on the outer wall of the cylinder (7) to connect
It connects block (5), is fixedly connected water-swellable waterstop (4) on the link block (5), link block (5) is viscous by glue and cylinder (7)
It connects, link block (5) is Nian Jie with water-swellable waterstop (4) by glue.
5. a kind of O-shaped sealing device according to claim 1, which is characterized in that the first connecting rod (2) and first close
Seal (1) is bonded by glue, and the second connecting rod (9) is Nian Jie by glue with the second sealing ring (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820800352.9U CN208252754U (en) | 2018-05-28 | 2018-05-28 | A kind of O-shaped sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820800352.9U CN208252754U (en) | 2018-05-28 | 2018-05-28 | A kind of O-shaped sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208252754U true CN208252754U (en) | 2018-12-18 |
Family
ID=64651439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820800352.9U Expired - Fee Related CN208252754U (en) | 2018-05-28 | 2018-05-28 | A kind of O-shaped sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208252754U (en) |
-
2018
- 2018-05-28 CN CN201820800352.9U patent/CN208252754U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181218 Termination date: 20200528 |