CN208185447U - Silicon nitride sealing ring and silicon nitride seal ring assembly - Google Patents
Silicon nitride sealing ring and silicon nitride seal ring assembly Download PDFInfo
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- CN208185447U CN208185447U CN201820752998.4U CN201820752998U CN208185447U CN 208185447 U CN208185447 U CN 208185447U CN 201820752998 U CN201820752998 U CN 201820752998U CN 208185447 U CN208185447 U CN 208185447U
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Abstract
A kind of silicon nitride sealing ring and silicon nitride seal ring assembly, belong to sealing element field.The silicon nitride sealing ring includes the second circle body made of the first circle body and at least one elastic material made of silicon nitride, the inner wall of first circle body is equipped at least one for accommodating the groove of the second circle body, at least one channel is also provided with inside first lap body, the both ends in channel are connected to the inner wall of groove and the first circle body respectively.The advantages of silicon nitride sealing ring provided by the utility model has sealing performance strong, adapts to air pressure change.The utility model additionally provides a kind of silicon nitride seal ring assembly comprising above-mentioned silicon nitride sealing ring.
Description
Technical field
The utility model relates to sealing element fields, in particular to a kind of silicon nitride sealing ring and silicon nitride sealing ring
Component.
Background technique
Sealing ring is common sealing element, but existing sealing ring cannot well adapt to pressure change when in use at present
Change, the sealing performance of sealing ring serious can be influenced when the pressure change of working environment is larger.
Therefore, it is necessary to a kind of sealing rings that can adapt to working environment pressure change to satisfy the use demand.
Utility model content
It is strong with sealing performance the purpose of this utility model is to provide a kind of silicon nitride sealing ring, adapt to air pressure
The advantages of variation.
The another object of the utility model is to provide one kind, can adapt to the air pressure change of sealing space and sealing is imitated
Fruit is strong.
The embodiments of the present invention are achieved in that
A kind of silicon nitride sealing ring comprising made of the first circle body and at least one elastic material made of silicon nitride
Two circle bodies, the inner wall of the first circle body are equipped at least one for accommodating the groove of the second circle body, are also provided with inside first lap body
At least one channel, the both ends in channel are connected to the inner wall of groove and the first circle body respectively.
In the utility model preferred embodiment, at least one end of above-mentioned first circle body extends to far from its axis direction
Form enlarged portion.
In the utility model preferred embodiment, the outer diameter of above-mentioned enlarged portion first increases with the end far from the first circle body
Reduce after big.
In the utility model preferred embodiment, at least one row inside and outside it is offered on above-mentioned first circle body
Stomata, gas vent is interior to be equipped with sealing-plug.
In the utility model preferred embodiment, above-mentioned gas vent is connected to at least one groove.
In the utility model preferred embodiment, the inner wall of above-mentioned first circle body is additionally provided at least two annular glue
Circle.
In the utility model preferred embodiment, the section of above-mentioned cushion rubber is trapezoidal, round or ellipse.
In the utility model preferred embodiment, above-mentioned first circle body is set between two adjacent cushion rubbers.
In the utility model preferred embodiment, one end that above-mentioned channel is connected to wall in first lap body is located at adjacent
Between two cushion rubbers.
The utility model additionally provides a kind of silicon nitride seal ring assembly comprising above-mentioned silicon nitride sealing ring and at least
One is sheathed on the third circle body of the external wall of first lap.
The beneficial effect of the utility model embodiment is: silicon nitride sealing ring provided by the embodiment of the utility model includes nitrogen
The inner wall of second circle body made of first circle body and at least one elastic material made of SiClx, the first circle body is equipped at least one
For accommodating the groove of the second circle body, be also provided at least one channel inside first lap body, the both ends in channel respectively with groove
It is connected to the inner wall of the first circle body.Silicon nitride sealing ring provided by the utility model has sealing performance strong, adapts to air pressure change
The advantages of change.The utility model additionally provides a kind of silicon nitride seal ring assembly comprising above-mentioned silicon nitride sealing ring, can
It adapts to the air pressure change of sealing space and sealing effect is strong.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the cross-sectional view for the silicon nitride sealing ring that the utility model embodiment 1 provides；
Fig. 2 is the cross-sectional view for the silicon nitride seal ring assembly that the utility model embodiment 2 provides.
In figure: 001- silicon nitride sealing ring；002- silicon nitride sealing ring；The first circle body of 100-；101- groove；102- is logical
Road；The second circle body of 110-；120- enlarged portion；130- gas vent；131- sealing-plug；140- cushion rubber；200- third circle body.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, or
The utility model product using when the orientation or positional relationship usually put, be merely for convenience of description the utility model and letter
Change description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construct and
Operation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second ", " third " etc. are only used for area
Divide description, is not understood to indicate or imply relative importance.
In addition, the terms such as term "horizontal", "vertical", " pendency " are not offered as requiring component abswolute level or pendency, and
It is that can be slightly tilted.It is not to indicate the structure if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical"
It has to fully horizontally, but can be slightly tilted.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediary can also be passed through
It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed with concrete condition
Solve the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it
"lower" may include that the first and second features directly contact, and also may include that the first and second features are not direct contacts but lead to
Cross the other characterisation contact between them.Moreover, fisrt feature includes above the second feature " above ", " above " and " above "
One feature is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.First is special
Sign is directly below and diagonally below the second feature including fisrt feature under the second feature " below ", " below " and " below ", or only
Indicate that first feature horizontal height is less than second feature.
Embodiment 1
Fig. 1 is please referred to, the present embodiment provides a kind of silicon nitride sealing rings 001 comprising the first circle body made of silicon nitride
100 and two elastic materials made of the second circle body 110, the inner wall of the first circle body 100 is equipped with two for accommodating the second circle body
110 groove 101 is also provided with two passes 102 inside first circle body 100, and one end of two passes 102 is recessed with two respectively
Slot 101 is connected to, and the other end of two passes 102 is connected to the inner wall of the first circle body 100 respectively, the elastic material in the present embodiment
For polyurethane elastomeric materials.
Silicon nitride sealing ring 001 provided by the embodiment of the utility model includes using the first circle body made of silicon nitride material
100 and two the second circle bodies 110 made of polyurethane material in the first circle body 100, wherein two the second circle bodies
110 are respectively arranged in two grooves 101 of 100 inner wall of the first circle body setting, and 100 inner wall of the first circle body and groove 101 are by leading to
Road 102 is connected to, because when environmental change increases, the air pressure of increase is transferred to the air pressure outside the first circle body 100 by channel 102
The second circle body 110 is pushed to carry out even closer sealing to the component to be sealed in the first circle body 100 in groove 101, thus suitable
It answers the pressure change outside the first circle body 100 and improves the whole sealing performance of silicon nitride sealing ring 001.
The both ends of first circle body 100 extend to form enlarged portion 120 to far from its axis direction, the outer diameter of enlarged portion 120 with
Far from the first circle body 100 end first increases and then decreases.The both ends outer wall of first circle body 100 expands outwardly the enlarged portion to be formed
120 can effectively improve the overall structural strength of the first circle body 100, to guarantee to use ring in silicon nitride sealing ring 001
It will not be damaged due to being pressurized excessive when the pressure change of border；In addition, the outer diameter of enlarged portion 120 is with far from the first circle body 100
End first increases and then decreases can be avoided dust and accumulated in enlarged portion 120, make part dust with the appearance of enlarged portion 120
Face is slided.
Two gas vents 130 inside and outside it are offered on first circle body 100, are equipped with sealing-plug in gas vent 130
131.The gas vent 130 opened up on first circle body 100 and the sealing-plug 131 in gas vent 130 can further make it
The pressure change inside and outside the first circle body 100 is adapted to, when pressure increases inside or outside the first circle body 100, air pressure will push close
Blocking 131 moves into 100 outside or inside of the first circle body along gas vent 130, the pressure for keeping the first circle body 100 inside and outside
Reach balance, guarantees that the first circle body 100 is not subject to biggish external and internal pressure, it is larger in pressure change to improve the first circle body 100
Working life under environment.
Embodiment 2
Referring to figure 2., the present embodiment provides a kind of silicon nitride seal ring assemblies comprising silicon nitride sealing ring 002, nitridation
Silicon sealing ring 002 includes the second circle body 110 made of the first circle body 100 made of silicon nitride and two rubber materials, first lap
The inner wall of body 100 is equipped with two for accommodating the groove 101 of the second circle body 110, and two are also provided with inside the first circle body 100 and is led to
Road 102, one end of two passes 102 are connected to two grooves 101 respectively, the other end of two passes 102 respectively with first lap
The inner wall of body 100 is connected to, and one end of the first circle body 100 extends to form enlarged portion 120, enlarged portion 120 to far from its axis direction
Outer diameter with the end first increases and then decreases far from the first circle body 100, silicon nitride seal ring assembly further includes one and is sheathed on
The third circle body 200 of first circle body, 100 outer wall.
Silicon nitride seal ring assembly provided by the embodiment of the utility model includes silicon nitride sealing ring 002 and is sheathed on nitridation
One third circle body 200 of 100 outer wall of the first circle body of silicon sealing ring 002, third circle body 200 can be to the first circle bodies 100
Position is defined, and improves the sealing function of silicon nitride sealing ring 002.
Two gas vents 130 inside and outside it are offered on first circle body 100, are equipped with sealing-plug in gas vent 130
131, every gas vent 130 is connected to a groove 101, and gas vent 130 is connected to groove 101, can will be in the first circle body 100
Outer pressure change is transferred in groove 101 and pushes the second circle body 110 in groove 101 mobile to improve to its axis direction
Sealing effect.
The inner wall of first circle body 100 is additionally provided with two annular cushion rubbers 140, and the section of cushion rubber 140 is ellipse, the second circle
Body 110 is set between two adjacent cushion rubbers 140, and one end that channel 102 is connected to the inner wall of the first circle body 100 is located at adjacent
Between two cushion rubbers 140.Two cushion rubbers 140 of 100 inner wall of the first circle body setting can cooperate with the second circle body 110 to be sealed
Effect, and the pressure change inside the first circle body 100 is reduced, avoid pressure variations influence sealing effect, channel 102 and first lap
It one end of 100 inner wall of body connection, can be in the pressure change outside the first circle body 100 between two adjacent cushion rubbers 140
The pressure change is transferred at the second circle body 110 in groove 101 when influencing the first 100 internal pressure of circle body, to improve
The sealing effect of two circle bodies 110 is to reduce the influence that external pressure changes.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of silicon nitride sealing ring, which is characterized in that it includes the first circle body made of silicon nitride and at least one elastic material
Second circle body made of expecting, the inner wall of first circle body are equipped at least one for accommodating the groove of second circle body, institute
State and be also provided at least one channel inside first lap body, the both ends in the channel respectively with the groove and first circle body
Inner wall connection.
2. silicon nitride sealing ring according to claim 1, which is characterized in that at least one end of first circle body is to separate
Its axis direction extends to form enlarged portion.
3. silicon nitride sealing ring according to claim 2, which is characterized in that the outer diameter of the enlarged portion is with far from described
The end first increases and then decreases of first circle body.
4. silicon nitride sealing ring according to claim 1, which is characterized in that offer at least one on first circle body
Gas vent inside and outside it, the gas vent is interior to be equipped with sealing-plug.
5. silicon nitride sealing ring according to claim 4, which is characterized in that the gas vent and at least one groove
Connection.
6. silicon nitride sealing ring according to claim 1, which is characterized in that the inner wall of first circle body is additionally provided at least
Two annular cushion rubbers.
7. silicon nitride sealing ring according to claim 6, which is characterized in that the section of the cushion rubber be it is trapezoidal, round or
Ellipse.
8. silicon nitride sealing ring according to claim 6, which is characterized in that second circle body is set to two adjacent institutes
It states between cushion rubber.
9. silicon nitride sealing ring according to claim 7, which is characterized in that wall connects in the channel and the first lap body
Logical one end is between two adjacent cushion rubbers.
10. a kind of silicon nitride seal ring assembly, which is characterized in that it includes nitridation as claimed in any one of claims 1-9 wherein
Silicon sealing ring and at least one be sheathed on the third circle body of the external wall of the first lap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820752998.4U CN208185447U (en) | 2018-05-18 | 2018-05-18 | Silicon nitride sealing ring and silicon nitride seal ring assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820752998.4U CN208185447U (en) | 2018-05-18 | 2018-05-18 | Silicon nitride sealing ring and silicon nitride seal ring assembly |
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| Publication Number | Publication Date |
|---|---|
| CN208185447U true CN208185447U (en) | 2018-12-04 |
Family
ID=64427384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820752998.4U Active CN208185447U (en) | 2018-05-18 | 2018-05-18 | Silicon nitride sealing ring and silicon nitride seal ring assembly |
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| Country | Link |
|---|---|
| CN (1) | CN208185447U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109751415A (en) * | 2018-12-25 | 2019-05-14 | 北京品驰医疗设备有限公司 | sealing element |
-
2018
- 2018-05-18 CN CN201820752998.4U patent/CN208185447U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109751415A (en) * | 2018-12-25 | 2019-05-14 | 北京品驰医疗设备有限公司 | sealing element |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Silicon nitride seals and silicon nitride seal assemblies Effective date of registration: 20220812 Granted publication date: 20181204 Pledgee: Bank of Nanjing Co.,Ltd. Lianyungang Branch Pledgor: JIANGSU DONGPU FINE CERAMICS TECHNOLOGY Co.,Ltd. Registration number: Y2022320000463 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |