CN201326606Y - Reliable sealing device between two contact surfaces - Google Patents
Reliable sealing device between two contact surfaces Download PDFInfo
- Publication number
- CN201326606Y CN201326606Y CNU2008202392426U CN200820239242U CN201326606Y CN 201326606 Y CN201326606 Y CN 201326606Y CN U2008202392426 U CNU2008202392426 U CN U2008202392426U CN 200820239242 U CN200820239242 U CN 200820239242U CN 201326606 Y CN201326606 Y CN 201326606Y
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- CN
- China
- Prior art keywords
- sealing
- ring seals
- contact
- sealing device
- contact surfaces
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- 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
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Abstract
The utility model discloses a reliable sealing device between two contact surfaces, which relates to a sealing device of hydraulic equipment. The device comprises an upper sealing block, a lower sealing block and a sealing device; wherein the sealing device comprises a connecting pipe, an O-shaped sealing ring, and an O-shaped sealing groove. Hole slashes are arranged above or below a fluid flow passage of the contact surface of the upper sealing block and the lower sealing block. The O-shaped sealing groove is processed close to the upper and the lower ends of the connecting pipe; the O-shaped sealing ring is arranged in the O-shaped sealing groove; and the connecting pipe with the O-shaped sealing ring is arranged in the hole slash. The sealing device adopts the sealing connection between contact surfaces such as sandwich valves, sub-blocks and mother blocks, hydraulic cylinders and valve blocks, and changes the plane sealing between two contact surfaces into two path radial sealing by a cylindrical connecting pipe. The device has the advantages of novel and unique structure, simple manufacturing, safe and reliable operation, low cost, good effect and the like, thus belonging to a novel reliable sealing device between two contact surfaces integrating the economy and practicability.
Description
Technical field
The reliable sealing device relates to the hydraulic equipment seal arrangement between two surface of contact described in the utility model.
Background technique
At present, in the valve group of vertical overlaying structure, in the primary and secondary block structure valve group, between large-scale AGC servo-cylinder and the AGC control valve group etc. than between large contact surface, because of area of contact is big, planeness is difficult for guaranteeing that the degree of finish that the O-ring seals groove of seal ring is installed is difficult to guarantee, the high pressure of system also can cause the big resiliently deformable of surface of contact intermediate portion, can cause between sealing surface seepage even sealing total failure to cause equipment scrapping.At existing problem in the above-mentioned prior art, reliable sealing device between a kind of two novel surface of contact of research and design, existing problem is very necessary in the prior art thereby overcome.
Summary of the invention
In view of existing problem in the above-mentioned prior art, the purpose of this utility model is a reliable sealing device between a kind of two novel surface of contact of research and design, and purpose of the present invention just provides and a kind ofly can effectively solve the new structure that seals between surface of contact.Thereby it is big because of area of contact to solve two surface of contact, planeness is difficult for guaranteeing, the degree of finish that the O-ring seals groove of seal ring is installed is difficult to guarantee, the high pressure of system also can cause the big resiliently deformable of surface of contact intermediate portion, can cause between sealing surface seepage even sealing total failure to cause problems such as equipment scrapping.
The reliable sealing device is made up of last sealing block, lower seal piece and seal arrangement between two surface of contact described in the utility model.Its structure is that described seal arrangement comprises connecting tube, O-ring seals, O-ring seals groove.In the upper and lower equal reaming in the fluid passage of last sealing block and lower seal piece surface of contact, connecting tube is near upper and lower end parts processing O-ring seals groove, and O-ring seals is installed in the O-ring seals groove, and the connecting tube of band O-ring seals is placed in the reaming.
The O-ring seals groove of processing on the described connecting tube described in the utility model also can be processed on the hole wall of the fluid passage institute reaming of last sealing block and lower seal piece surface of contact, and connecting tube then adopts smooth body.
Reliable sealing device between two surface of contact described in the utility model, be with between two surface of contact that seal request arranged, with the plane sealing between two surface of contact, change the twice radial seal into by cylindrical connecting tube, new structural type is not subjected to the influence of planeness between surface of contact, surface finishment and two acting surface stress deformations.Between the Sandwich plate valve piece, between sub-piece and the mother tuber, being tightly connected between the surface of contact such as between oil hydraulic cylinder and the valve piece relates to all two interplanars by cylindrical connecting tube and adopt the two seals circle to reach the structural type of hydraulic seal effect.
The utility model can effectively solve than the reliable sealing problem between large contact surface.Purpose of the present invention just provides and a kind ofly can effectively solve the new structure that seals between surface of contact.
The utlity model has novel structure, making is simple, safe and reliable, fabricating cost is low, advantage such as effective, it puts goods on the market in enormous quantities and will produce positive social benefit and remarkable economic efficiency.
Description of drawings
The utility model has three width of cloth accompanying drawings, wherein:
Fig. 1 is for adopting the structural representation of processing O shape seal groove on the connecting tube;
Fig. 2 is a structural representation of processing O shape seal groove in two sealing block reamings respectively;
Fig. 3 opens the structural representation that O shape seal groove is pressed O-ring seals on the traditional plane.
Among the figure: 1, connecting tube 2, O-ring seals 3, last sealing block 4, lower seal piece 5, clamping bolt 6, fluid passage 7, O-ring seals groove.
Embodiment
Specific embodiment of the utility model shown in 1, is made up of last sealing block 3, lower seal piece 4 and seal arrangement as shown in drawings.Described seal arrangement comprises connecting tube 1, O-ring seals 2, O-ring seals groove 7.In the 6 upper and lower equal reamings of the fluid passage of last sealing block 3 and lower seal piece 4 surface of contact, connecting tube 1 is near upper and lower end parts processing O-ring seals groove 7, and O-ring seals 2 is installed in the O-ring seals groove 7, and the connecting tube 1 of band O-ring seals 2 is placed in the reaming.The O-ring seals groove 7 of processing on the described connecting tube 1 described in the utility model also can be processed on the hole wall of 6 reamings in fluid passage of last sealing block 3 and lower seal piece 4 surface of contact, 1 smooth body of employing of connecting tube, as shown in Figure 2.Accompanying drawing 3 is to open the structural representation that O shape groove is pressed O-ring seals on the traditional plane.
Determine the diameter of reaming when the utility model is made according to flow system flow, determined the internal diameter of connecting tube 1 simultaneously, according to the wall thickness of definite connecting tubes 1 such as pressure material, and according to the tolerance of size of hole axle fit tolerance valve design piece reaming and connecting tube 1.
Claims (2)
1, reliable sealing device between a kind of two surface of contact is made up of last sealing block (3), lower seal piece (4) and seal arrangement; It is characterized in that described seal arrangement comprises connecting tube (1), O-ring seals (2), O-ring seals groove (7); The upper and lower equal reaming in fluid passage (6) at last sealing block (3) and lower seal piece (4) surface of contact, connecting tube (1) is near upper and lower end parts processing O-ring seals groove (7), O-ring seals (2) is installed in the O-ring seals groove (7), and the connecting tube (1) of band O-ring seals (2) is placed in the reaming.
2, reliable sealing device between two surface of contact according to claim 1, it is characterized in that the upward O-ring seals groove (7) of processing of described connecting tube (1), also can process on the hole wall of fluid passage (6) the institute reaming of last sealing block (3) and lower seal piece (4) surface of contact, connecting tube (1) then adopts smooth body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202392426U CN201326606Y (en) | 2008-12-29 | 2008-12-29 | Reliable sealing device between two contact surfaces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202392426U CN201326606Y (en) | 2008-12-29 | 2008-12-29 | Reliable sealing device between two contact surfaces |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201326606Y true CN201326606Y (en) | 2009-10-14 |
Family
ID=41178579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202392426U Expired - Fee Related CN201326606Y (en) | 2008-12-29 | 2008-12-29 | Reliable sealing device between two contact surfaces |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201326606Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102062012A (en) * | 2010-12-31 | 2011-05-18 | 中国兵器工业集团第七○研究所 | Return water sealing structure with transversely serially connected cylinder covers |
| CN102661212A (en) * | 2012-05-15 | 2012-09-12 | 北京理工大学 | Cylinder cover bidirectional squeezing sealing device with serially connected cooling water cavities |
| CN107339274A (en) * | 2017-06-20 | 2017-11-10 | 北京机械设备研究所 | A kind of oil path block combination |
-
2008
- 2008-12-29 CN CNU2008202392426U patent/CN201326606Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102062012A (en) * | 2010-12-31 | 2011-05-18 | 中国兵器工业集团第七○研究所 | Return water sealing structure with transversely serially connected cylinder covers |
| CN102661212A (en) * | 2012-05-15 | 2012-09-12 | 北京理工大学 | Cylinder cover bidirectional squeezing sealing device with serially connected cooling water cavities |
| CN107339274A (en) * | 2017-06-20 | 2017-11-10 | 北京机械设备研究所 | A kind of oil path block combination |
| CN107339274B (en) * | 2017-06-20 | 2019-05-31 | 北京机械设备研究所 | A kind of oil path block combination |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091014 Termination date: 20131229 |