CN207569195U - A kind of end-face seal ring of wash engine - Google Patents
A kind of end-face seal ring of wash engine Download PDFInfo
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- CN207569195U CN207569195U CN201721571184.2U CN201721571184U CN207569195U CN 207569195 U CN207569195 U CN 207569195U CN 201721571184 U CN201721571184 U CN 201721571184U CN 207569195 U CN207569195 U CN 207569195U
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- face
- ring
- ring body
- wash engine
- annular groove
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Abstract
The utility model discloses a kind of end-face seal rings of wash engine, including ring body, annular seal lip are equipped on the edge of an end face of the ring body, and cotter way hole is uniformly provided on the end face, and the cotter way hole is set between two annular seal lips；Another end face of the ring body is provided with annular groove, and wear-resistant seal ring is set in slot.The end-face seal ring bottom of the utility model is pressed by hydraulic pressure on the end face of rotary drum, is sealed so as to fulfill the end face to rotary drum position, improves the performance of end face seal, mortar leakage prevention.And it is inserted into cotter way hole and in the annular groove fixed to gland using bolt, when then being rotated at rotary drum position, under the action of bolt, ring body will not produce relative rotation, the abrasion of ring body can be reduced, service life is improved, improves the reliability and stability of sealing, has that simple in structure, service life is long, good seal performance and reliable and stable advantageous effect.
Description
Technical field
The utility model is related to sealing element technical fields, are related to a kind of end-face seal ring, refer in particular to a kind of wash engine and use
End-face seal ring.
Background technology
At present in paper industry, wash engine is generally sealed the end face at rotary drum position using inflatable seal airbag.
As shown in Figure 1, sealed air pocket 100 and sealing ring 103 are set in the annular groove 102 of gland 101, sealed air pocket 100 is being inflated
After expand, and fill full annular groove 102 and top pressure sealing ring 103, sealing ring 103 made to be tightly attached to the end face of rotary drum 104 and rise
To sealing function, but this sealing structure has the following disadvantages：1st, by frictional force between sealed air pocket 100 and sealing ring 103
Effect easily relatively rotates, and causes sealing effect bad, so as to spillage；2nd, sealed air pocket 100 is held by friction twisting force
Fatiguability aging generates gas leakage and then sealing effect is caused quickly to reduce, and service life is short, and sealing effect persistence is poor.
Utility model content
The purpose of this utility model is that solve end face of the existing wash engine using inflatable seal airbag to rotary drum position
The structure being sealed has that easily generation abrasion, service life are short and effect persistence is poor and lead to spillage, provides
It is a kind of it is simple in structure, service life is long, the end-face seal ring of good seal performance and reliable and stable wash engine.
Following technical scheme can be used to reach in the purpose of this utility model：
A kind of end-face seal ring of wash engine, including ring body, on the edge of an end face of the ring body
Annular seal lip is equipped with, and cotter way hole is uniformly provided on the end face, the cotter way hole is set between two annular seal lips；Institute
Another end face for stating ring body is provided with annular groove.
Further, slidably it is arranged with wear ring in the annular groove.
Further, it is fitted with bolt in the cotter way hole.
As a preferred solution, the section of the annular groove is frustum of a cone hole.
As a preferred solution, the section of the annular groove is ball.
As a preferred solution, the section of the annular groove includes the first circular hole and connected with the first circular hole the
Two circular holes, first circular hole and the second circular hole are distributed successively along the internal direction of ring body, the diameter of first circular hole
More than the diameter of the second circular hole.
Further, " V " type structure is formed between two annular seal lips, the cotter way hole is set on two rings
Between shape sealing lip.
As a preferred solution, the ring body is butyronitrile or EPDM or 4 third fluorine materials.
As a preferred solution, the wear ring is polytetrafluoroethylene material.
Implement the utility model, have the advantages that：
1st, the ring body of the utility model is installed in the annular groove of gland, annular seal lip is made to be tightly attached to annular recessed
The inside and outside circle wall of slot, can establish hydraulic pressure after water flowing, the wear ring of the seal body other end is made to press on the end face of rotary drum, so as to
Realization is sealed the end face at rotary drum position, improves the performance of end face seal, mortar leakage prevention.And it is installed in ring body
When in the groove of gland, it is inserted into cotter way hole using bolt and fixed on gland, wear ring is then embedded in seal body,
When rotary drum position rotates, it will not produce relative rotation between wear ring, ring body and groove, the mill of ring body can be reduced
Damage improves service life, improves the reliability and stability of sealing, has that simple in structure, service life is long, good seal performance
And the characteristics of reliable and stable.
2nd, it is interior and restrained to be sheathed on annular groove for the wear ring of the utility model so that wear ring presses in ring body
It is interior, the connection sealing between wear ring and ring body is improved, ensure that the reliability and stability of wear ring work.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be obtained according to these attached drawings other attached drawings.
The structure diagram of Fig. 1 prior arts；
Fig. 2 is the structure diagram of the end-face seal ring of the utility model wash engine；
Fig. 3 is the mounting structure schematic diagram of the end-face seal ring of the utility model wash engine；
Fig. 4 is the structure diagram of the embodiment 2 of the end-face seal ring of the utility model wash engine；
Fig. 5 is the structure diagram of the embodiment 3 of the end-face seal ring of the utility model wash engine.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without creative efforts
All other embodiments obtained shall fall within the protection scope of the present invention.
Embodiment 1
With reference to Fig. 2 and Fig. 3, the present embodiment is related to end-face seal ring, including ring body 1, one of the ring body 1
Annular seal lip 11 is equipped on the edge of end face, and cotter way hole 12 is uniformly provided on the end face, the cotter way hole 12 is set on two
Between a annular seal lip 11；Another end face of the ring body 1 is provided with annular groove 13.It can in the annular groove 13
Sliding sleeve is equipped with wear ring 2, and bolt 3 is fitted in the cotter way hole 12.
Ring body 1 is installed in the groove of gland, and annular seal lip 11 is made to be tightly attached to the inside and outside circle wall of annular groove, is led to
Hydraulic pressure can be established after water, the wear ring of the seal body other end is made to press on the end face of rotary drum, so as to fulfill to rotary drum position
End face be sealed, mortar leakage prevention.And when ring body 1 is installed in the groove of gland, cotter way is inserted by bolt 3
In hole 12 and fixed on gland, then when being rotated at rotary drum position, under the action of bolt 3, ring body 1 will not generate phase
To rotation, can prevent from relatively rotating between ring body 1 and gland groove, to reduce the abrasion of ring body 1, raising makes
With the service life, improve the reliability and stability of sealing, have it is simple in structure, service life is long, good seal performance and stabilization can
By the characteristics of.
It is interior and restrained that wear ring 2 is sheathed on annular groove 13 so that wear ring 2 presses in ring body 1 and is not easy
Rotation, improves the connection sealing between wear ring 2 and ring body 1, ensure that reliability and stabilization that wear ring 2 works
Property.
The section of the annular groove 13 is frustum of a cone hole.Wear ring 2 is coated the inside by the annular groove 13 of the structure, is made
Wear ring 2 is obtained preferably to be sealed in annular groove 13, and be not easy to deviate from.
" V " type structure is formed between two annular seal lips 11, it is close that the cotter way hole 12 is set on two annulars
It seals between lip 11.
The ring body 1 is butyronitrile or EPDM or 4 third fluorine materials.The wear ring 2 is polytetrafluoroethylene (PTFE) material
Material.Polytetrafluoroethylene (PTFE) has good self lubricity and wearability, and friction coefficient is low, and frictional resistance is small, can protect rubber body,
The service life of sealing ring is substantially increased, ensures the effect and persistence of sealing.
Embodiment 2
The present embodiment is on the basis of embodiment 1, as the improvement to annular groove 13, as shown in figure 4, the annular
The section of groove 13 is ball.The wear ring 2 of the structure is sphere, and is not easy to deviate from.
Embodiment 3
The present embodiment is on the basis of embodiment 1, as the improvement to annular groove 13, as shown in figure 5, the annular
The section of groove 13 includes the first circular hole 131 and the second circular hole 132 connected with the first circular hole 131,131 He of the first circular hole
Second circular hole 132 is distributed successively along the internal direction of ring body 1, and the diameter of first circular hole 131 is more than the second circular hole 132
Diameter.2 shapes and sizes of wear ring and the annular groove 13 of the structure match so that wear ring 2 is preferably sealed to
In annular groove 13, it is not easy to deviate from, in addition, wear ring separates seal body and rotary drum, seal body can be protected, prevent its mill
It is too fast to damage aging, extends sealing service life.
Above disclosed is only a kind of the utility model preferred embodiment, cannot limit this practicality with this certainly
Novel interest field, therefore the equivalent variations made according to the utility model claims, still belong to what the utility model was covered
Range.
Claims (9)
1. a kind of end-face seal ring of wash engine, it is characterised in that：Including ring body, an end face of the ring body
Edge on be equipped with annular seal lip, and cotter way hole is uniformly provided on the end face, the cotter way hole be set on two ring packings
Between lip；Another end face of the ring body is provided with annular groove.
2. a kind of end-face seal ring of wash engine according to claim 1, it is characterised in that：It can in the annular groove
Sliding sleeve is equipped with wear ring.
3. a kind of end-face seal ring of wash engine according to claim 1, it is characterised in that：It is inserted in the cotter way hole
There is bolt.
4. a kind of end-face seal ring of wash engine according to claim 1, it is characterised in that：The annular groove is cut
Face is frustum of a cone hole.
5. a kind of end-face seal ring of wash engine according to claim 1, it is characterised in that：The annular groove is cut
Face is ball.
6. a kind of end-face seal ring of wash engine according to claim 1, it is characterised in that：The annular groove is cut
Face includes the first circular hole and the second circular hole connected with the first circular hole, and first circular hole and the second circular hole are successively along ring body
Internal direction distribution, the diameter of first circular hole is more than the diameter of the second circular hole.
7. a kind of end-face seal ring of wash engine according to claim 1, it is characterised in that：Two ring packings
" V " type structure is formed between lip, the cotter way hole is set between two annular seal lips.
8. a kind of end-face seal ring of wash engine according to claim 1 or 6, it is characterised in that：The ring body
For butyronitrile or EPDM or 4 third fluorine materials.
9. a kind of end-face seal ring of wash engine according to claim 2, it is characterised in that：The wear ring is poly- four
Fluoride material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721571184.2U CN207569195U (en) | 2017-11-21 | 2017-11-21 | A kind of end-face seal ring of wash engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721571184.2U CN207569195U (en) | 2017-11-21 | 2017-11-21 | A kind of end-face seal ring of wash engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207569195U true CN207569195U (en) | 2018-07-03 |
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ID=62691539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721571184.2U Active CN207569195U (en) | 2017-11-21 | 2017-11-21 | A kind of end-face seal ring of wash engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207569195U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109210200A (en) * | 2018-11-12 | 2019-01-15 | 苏州展德自动化设备有限公司 | Screw-down valve High pressure rotary structure |
-
2017
- 2017-11-21 CN CN201721571184.2U patent/CN207569195U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109210200A (en) * | 2018-11-12 | 2019-01-15 | 苏州展德自动化设备有限公司 | Screw-down valve High pressure rotary structure |
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