CN206419481U - A kind of sealing device and lobe pump - Google Patents
A kind of sealing device and lobe pump Download PDFInfo
- Publication number
- CN206419481U CN206419481U CN201621392688.3U CN201621392688U CN206419481U CN 206419481 U CN206419481 U CN 206419481U CN 201621392688 U CN201621392688 U CN 201621392688U CN 206419481 U CN206419481 U CN 206419481U
- Authority
- CN
- China
- Prior art keywords
- sealing
- sealed end
- pad body
- lobe pump
- curved surface
- 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
Abstract
The utility model discloses a kind of good sealing effect, the sealing device of service life length and the lobe pump using the sealing device.Including sealing pad body, the sealing pad body is in annular shape, and the top and bottom of the sealing pad body are respectively upper sealed end and lower sealed end；It is described sealing pad body upper sealed end and lower sealed end at least one be compound sealing structure；The sealing pad body is alloy seal pad body.The main body of sealing device first employs alloy product, solves the etching problem for utilizing rubber blanket in the prior art, and service life is longer.
Description
Technical field
The utility model is related to lobe pump oil seal technique field, more particularly to a kind of sealing device and lobe pump.
Background technology
In ethylene carbonate production, lobe pump is most commonly seen equipment, and general producer does not use oil-free sieve also
Thatch pump.Therefore, in the presence of having oil, the oil-sealing arrangement of Roots's pump bearing is just particularly important, but present lobe pump
Oil sealing mostly use rubber seal, the sealing device of quality of rubber materials be used for a long time it is lower can be corroded by oil, permanent corrosion
It can be allowed to lose sealing effectiveness, serious oil leak.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides a kind of good sealing effect, the sealing of service life length
Device and the lobe pump using the sealing device.
Technical problem to be solved in the utility model is achieved through the following technical solutions：
A kind of sealing device of the present utility model, including：
Seal pad body, the sealing pad body in annular shape, it is described sealing pad body top and bottom be respectively on
Sealed end and lower sealed end；
It is described sealing pad body upper sealed end and lower sealed end at least one be compound sealing structure；
The sealing pad body is alloy seal pad body.
Further, the lower sealed end of the upper sealed end for sealing pad body and the sealing pad body is sealing gasket
On projection, and the upper sealed end and/or the lower sealed end are compound sealing structure；
The compound sealing structure include the first sealing, first sealing to it is described sealing pad body upper end or
Lower end convexes to form the upper sealed end or the lower sealed end；Being caved inward in the middle part of first sealing, it is recessed to form one
Groove, filled with a fill-in pad the second sealing of formation in the groove, and second sealing outermost face higher than described
The outermost face of first sealing.
Further, the both sides of the groove of first sealing are two to recline portion, and the outer end in the portion that reclines has song
Face.
Further, the outermost end outwardly convex in portion of being reclined described in two forms the curved surface, the curved surface be circular arc and/or
Circular cone.
Further, it is formed with a plane in the middle part of the curved surface.
Further, the fill-in pad is rubber blanket.
A kind of lobe pump of the present utility model, the junction of the bearing of the lobe pump is provided with above-mentioned sealing device.
Further, the axle of the curved surface and the lobe pump of the upper sealed end of the sealing pad body and/or lower sealed end
The joint face for holding junction is affixed pressured tight, and after compression, the outer face of second sealing is outer with first sealing
End face is located at same level.
A kind of beneficial effect of sealing device of the present utility model：
The main body of sealing device first employs alloy product, solves and is asked in the prior art using the corrosion of rubber blanket
Topic, service life is longer；Secondly, the sealed end of sealing device upper and lower ends of the present utility model is compound sealing structure, sealing
Effect more preferably, the rubber blanket of the second sealing can be changed in real time, and outside sealing pad body can be recycled, saved into
This.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand skill of the present utility model
Art means, and being practiced according to the content of specification, with preferred embodiment of the present utility model and coordinate accompanying drawing detailed below
Describe in detail bright as after.
Brief description of the drawings
Fig. 1 is a kind of the first structural representation of sealing device of the present utility model；
Fig. 2 is a kind of second of structural representation of sealing device of the present utility model；
Fig. 3 is a kind of the third structural representation of sealing device of the present utility model；
Fig. 4 is a kind of structural representation of the first sealing of sealing device of the present utility model.
1st, pad body is sealed；2nd, upper sealed end；3rd, lower sealed end；4th, the first sealing；5th, recline portion；6th, groove；7th, it is bent
Face；8th, plane；9th, the second sealing.
Embodiment
With reference to the accompanying drawings and examples, embodiment of the present utility model is described in further detail.Below
Embodiment is used to illustrate the utility model, but is not limited to scope of the present utility model.
Referring to shown in Fig. 1 to 3, a kind of sealing device of the present utility model is specifically included：
Pad body 1 is sealed, sealing pad body 1 is in annular shape, and the top and bottom of sealing pad body 1 are respectively upper sealed end
2 and lower sealed end 3；
Seal pad body 1 upper sealed end 2 and lower sealed end 3 at least one be compound sealing structure；Sealing pad body 1 is
Alloy seal pad body, it is primarily to solve only using rubber blanket easily to corrode in the prior art, and service life is short
The problem of.
In addition, the upper sealed end 2 of sealing pad body 1 and the lower sealed end 3 of sealing pad body 1 are convex on sealing gasket
Rise, and upper sealed end 2 and/or lower sealed end 3 are compound sealing structure；
Shown in Figure 4, compound sealing structure includes the first sealing 4, and the first sealing 4 is upper to sealing pad body 1
End or lower end convex to form sealed end 2 or lower sealed end 3；The middle part of first sealing 4 caves inward to form a groove 6, recessed
Filled with a fill-in pad the second sealing 9 of formation in groove 6, and the outermost face of the second sealing 9 is higher than the first sealing 4 most
Outer face.The both sides of the groove 6 of first sealing 4 are two to recline portion 5, and the outer end in the portion 5 that reclines has curved surface 7.Second sealing 9
Higher than the first sealing 4, and the fill-in pad of rubber blanket elastomeric material is filled with the second sealing 9, in actual use,
By compressing, the outermost end of the second sealing 9 and the first sealing 4 is allowed to be placed in same plane, such sealing effectiveness can be more preferable.
In the utility model, upper sealed end 2 and lower sealed end 3 can all be above-mentioned composite constructions, and it is upper that can also select one
State sealing structure.
The two outermost end outwardly convexs for reclining portion 5 form curved surface 7, and curved surface 7 is circular arc and/or circular cone.Wherein, above-mentioned curved surface
7 middle part is formed with a plane 8.Fill-in pad is rubber blanket.The design of plane 8 is the contact in order to increase curved surface 7 in oil sealing
Area, makes sealing effectiveness more preferable.And be not in offset phenomena.
A kind of lobe pump of the present utility model, the junction of the bearing of lobe pump is provided with above-mentioned sealing device.
Seal the upper sealed end 2 of pad body 1 and/or the curved surface 7 of lower sealed end 3 and the connection of the bearing junction of lobe pump
Face is affixed pressured tight, and after compression, the outer face of the second sealing 9 and the outer face of the first sealing 4 are located at same level.
A kind of beneficial effect of sealing device of the present utility model：
The main body of sealing device first employs alloy product, solves and is asked in the prior art using the corrosion of rubber blanket
Topic, service life is longer；Secondly, the sealed end of sealing device upper and lower ends of the present utility model is compound sealing structure, sealing
More preferably, the rubber blanket of the second sealing 9 can be changed effect in real time, and outside sealing pad body 1 can be recycled, and be saved
Cost.
Described above is only preferred embodiment of the present utility model, is not limited to the utility model, it is noted that
For those skilled in the art, on the premise of the utility model technical principle is not departed from, it can also do
Go out some improvement and modification, these improvement and modification also should be regarded as protection domain of the present utility model.
Claims (4)
1. a kind of sealing device, it is characterised in that including：
Pad body (1) is sealed, the sealing pad body (1) is in annular shape, the top and bottom difference of the sealing pad body (1)
For upper sealed end (2) and lower sealed end (3)；
It is described sealing pad body (1) upper sealed end (2) and lower sealed end (3) at least one be compound sealing structure；
The sealing pad body (1) is alloy seal pad body；The sealing pad body upper sealed end (2) of (1) and described close
The lower sealed end (3) of packing body (1) is to seal the projection on pad body (1), and the upper sealed end (2) and/or described
Lower sealed end (3) is compound sealing structure；
The compound sealing structure includes the first sealing (4), and first sealing (4) is to the sealing pad body (1)
Upper end or lower end convex to form the upper sealed end (2) or the lower sealed end (3)；The middle part of first sealing (4) to
Sunken inside one groove of formation (6), filled with a fill-in pad the second sealing of formation (9) in the groove (6), and it is described second close
The outermost face in envelope portion (9) is higher than the outermost face of first sealing (4)；The groove (6) of first sealing (4)
Both sides are two to recline portion (5), and the outer end of the portion that reclines (5) has curved surface (7)；Reclined described in two portion (5) outermost end it is outside
The curved surface (7) is convexed to form, the curved surface (7) is circular arc and/or circular cone；A plane is formed with the middle part of the curved surface (7)
(8)。
2. a kind of sealing device according to claim 1, it is characterised in that the fill-in pad is rubber blanket.
3. a kind of lobe pump, it is characterised in that the junction of the bearing of the lobe pump is set appoints just like in claim 1 to 2
Sealing device described in one.
4. a kind of lobe pump according to claim 3, it is characterised in that the upper sealed end (2) of the sealing pad body (1)
And/or the joint face of the bearing junction of the curved surface (7) of lower sealed end (3) and the lobe pump be affixed it is pressured tight, after compression, institute
State the outer face of the second sealing (9) and be located at same level with the outer face of first sealing (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621392688.3U CN206419481U (en) | 2016-12-17 | 2016-12-17 | A kind of sealing device and lobe pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621392688.3U CN206419481U (en) | 2016-12-17 | 2016-12-17 | A kind of sealing device and lobe pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206419481U true CN206419481U (en) | 2017-08-18 |
Family
ID=59576236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621392688.3U Active CN206419481U (en) | 2016-12-17 | 2016-12-17 | A kind of sealing device and lobe pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206419481U (en) |
-
2016
- 2016-12-17 CN CN201621392688.3U patent/CN206419481U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206419481U (en) | A kind of sealing device and lobe pump | |
| CN204664672U (en) | Band neck socket welding flange | |
| CN107166166B (en) | A kind of method and device for the leakage of non-stop plugging sand holes | |
| CN205663145U (en) | Good building decorative panel sealing strip of stability | |
| CN206268164U (en) | The combined seal ring of piston rod | |
| CN205534741U (en) | Terminal seal structure of pipeline | |
| CN206885738U (en) | A kind of can of sealing | |
| CN205078907U (en) | Three formula double containment ball valves | |
| CN207394074U (en) | Valve deck | |
| CN210890349U (en) | Dedicated graphite packing subassembly on valve rod | |
| CN207213139U (en) | A kind of dicyclic gasket seal | |
| CN206770772U (en) | Valve stem packing sealing structure | |
| CN201136670Y (en) | Self-sealed manhole cover of bulk powder tanker vehicle | |
| CN206918528U (en) | A kind of pressure-resistant injection head | |
| CN206000476U (en) | A kind of petroleum oil joint | |
| CN206503930U (en) | A kind of durable bearing sealed ring | |
| CN206719880U (en) | Bung, bucket and water dispenser bottled water | |
| CN206000479U (en) | Petroleum oil joint | |
| CN205023394U (en) | High -efficient corrosion resistant enhancement mode waterproof sealing for bearing roller | |
| CN211845566U (en) | Sealing structure suitable for olive oil bottle | |
| CN207179008U (en) | A kind of ruggedized construction of natural gas line three-way connection | |
| CN206257279U (en) | The static seal of piston rod | |
| CN209705485U (en) | A kind of pipe fitting of good seal performance | |
| CN208057934U (en) | A kind of loose unpacked material chute flange double sealing structure | |
| CN207583511U (en) | Air cylinder leakproof structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 257000 Building 5, Houli village, Yong'an Town, Kenli District, Dongying City, Shandong Province Patentee after: Shenghua new energy technology (Dongying) Co.,Ltd. Address before: 257000 south of outer ring, southwest of Boxin Road, Yong'an Town, Kenli County, Dongying City, Shandong Province Patentee before: DONGYING UPC INDUSTRY & TRADE Co.,Ltd. |