CN208431193U - Pump uses sealing element - Google Patents
Pump uses sealing element Download PDFInfo
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- CN208431193U CN208431193U CN201820895924.6U CN201820895924U CN208431193U CN 208431193 U CN208431193 U CN 208431193U CN 201820895924 U CN201820895924 U CN 201820895924U CN 208431193 U CN208431193 U CN 208431193U
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- seal
- annular groove
- wall
- sealing
- pump
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Abstract
The utility model discloses a kind of pump sealing element, including with cover first seal and the second seal that is fixed on pump case in axis, the first seal and second seal are in circular ring structure；It is characterized by: one end of the first seal is equipped with the first bulge loop, one end end of the second seal is equipped with the first annular groove to match with the first bulge loop, and the first bulge loop activity is embedded in first annular groove；The other end of the first seal is equipped with the second bulge loop, and the end face of first bulge loop is bonded with the end face of second seal；Flow-guiding structure and liquid storage structure are additionally provided between the first seal and second seal.The pump sealing element can reduce the cost of pump, sealing effect it is good, reduce Leakage probability.
Description
Technical field
The utility model relates to pump housing technical field of sealing technology, are especially a kind of pump sealing element.
Background technique
Pump is mounted on pump case with sealing element, plays dynamic sealing action, and the fluid media (medium) in pump case is avoided to pass through pump shaft stream
Pump is outer out.Have at present a kind of pump sealing element include and cover axis first seal and be fixed on pump case second sealing
Part, the first seal and second seal are in circular ring structure.Since this structure pump is mounted in medium pressure with sealing element
On the lesser pump of power, mechanical seal is such as used, then greatly increases the cost of pump, is such as fixed using sealing ring, then sealing effect has
Limit, there are the hidden danger of leakage.
Utility model content
The technical problems to be solved in the utility model be to provide it is a kind of can reduce pump cost, sealing effect it is good, reduce let out
Leak the pump sealing element of probability.
The technical solution of the utility model is to provide a kind of pump sealing element having following structure, including with cover in axis
First seal and the second seal that is fixed on pump case, the first seal and second seal are in circular ring structure；
It is characterized by: one end of the first seal is equipped with the first bulge loop, one end end of the second seal is equipped with and the
The first annular groove that one bulge loop matches, the first bulge loop activity are embedded in first annular groove；The first seal
The other end be equipped with the second bulge loop, the end face of first bulge loop is bonded with the end face of second seal；The first seal
Inner wall be equipped with second annular groove, the first sealing ring, the outer wall of first sealing ring are equipped in the second annular groove
It offsets sealing with the bottom surface of second annular groove, the inner ring of first sealing ring and the outer wall of axis offset sealing；Described second
The outer wall of sealing element is equipped with third annular groove, and the second sealing ring, second sealing are equipped in the third annular groove
The inner wall of circle and the bottom surface of third annular groove offset sealing, and the outer wall of second sealing ring and the inner wall of pump case offset close
Envelope；Flow-guiding structure and liquid storage structure are additionally provided between the first seal and second seal.
The liquid storage structure includes the fourth annular groove for being located at first seal inner wall, is located at first seal outer wall
5th annular groove, the inner ring for being located at second seal outer wall on the 6th annular groove and be located at the outer ring of second seal
The 7th annular groove on inner wall, the fourth annular groove are aligned with the 6th annular groove, the 5th annular groove and
The alignment of seven annular grooves.
The flow-guiding structure include on the outer wall for be located at the inner ring of first seal inner wall and second seal between
Second flow channel between one runner, the end face for being located at first seal and first annular groove inner bottom surface and it is located at first seal
Third flow channel between outer wall and the outer ring inner wall of second seal, the first runner, second flow channel are connected to third flow channel.
It is connected between the fourth annular groove, the 5th annular groove, the 6th annular groove and the 7th annular groove.
A notch is additionally provided on the outer wall of second seal.
After using the above structure, the utility model, which has the advantage that, is equipped with the by one end of the first seal
One bulge loop activity is embedded in the first annular groove of one end end of second seal, and first in second annular groove is close
The second sealing ring in seal and third annular groove, so as to there is good sealing function, and structure is simple.Again due to described
Flow-guiding structure and liquid storage structure are additionally provided between first seal and second seal, flow-guiding structure and liquid storage structure can make to be situated between
Matter generate throttle effect and achieve the purpose that Drain Resistance, can reduce in this way pump cost, sealing effect it is good, reduction Leakage probability
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the installation of the pump sealing element of the utility model.
Fig. 2 is the structural schematic diagram of the first seal of the pump sealing element of the utility model.
Fig. 3 is the structural schematic diagram of the second seal of the pump sealing element of the utility model.
Fig. 4 is the portion the A enlarged structure schematic diagram of Fig. 3.
Fig. 5 is the pump of the utility model main view of sealing element.
It is as shown in the figure:
1, axis, 2, pump case,
3, first seal, the 3.1, first bulge loop, 3.2, second annular groove, the 3.3, second bulge loop, 3.4, fourth annular
Groove, the 3.5, the 5th annular groove；
4, second seal, 4.1, first annular groove, 4.2, third annular groove, the 4.3, the 6th annular groove, 4.4,
7th annular groove, 4.5, notch；
5, the first sealing ring, the 6, second sealing ring, 7, first runner, 8, second flow channel, 9, third flow channel.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
As shown in Figs. 1-5, the pump sealing element of the utility model, including with cover axis 1 first seal 3 and be fixed on
Second seal 4 on pump case 2, second seal 4 does not rotate when working, and first seal 3 rotates synchronously together with axis,
It is exactly first seal 3 for dynamic seal, the second seal 4 is static seal.The first seal 3 and the second sealing
Part 4 is in circular ring structure；It is characterized by: one end of the first seal 3 is equipped with the first bulge loop 3.1, the second seal 4
One end end be equipped with the first annular groove 4.1 that matches with the first bulge loop 3.1,3.1 activity of the first bulge loop is embedded in the
In one annular groove 4.1；After installing, first seal 3 and second seal 4 can be rotated mutually.The first seal 3
The other end be equipped with the second bulge loop 3.3, the end face of first bulge loop 3.1 is bonded with the end face of second seal 4；Described first
The inner wall of sealing element 3 is equipped with second annular groove 3.2, is equipped with the first sealing ring 5 in the second annular groove 3.2, and described the
The outer wall of one sealing ring 5 and the bottom surface of second annular groove 3.2 offset sealing, the inner ring of first sealing ring 5 and axis 1 outside
Wall offsets sealing；The outer wall of the second seal 4 is equipped with third annular groove 4.2, sets in the third annular groove 4.2
There is the second sealing ring 6, the inner wall of second sealing ring 6 and the bottom surface of third annular groove 4.2 offset sealing, and described second is close
The outer wall of seal 6 and the inner wall of pump case 2 offset sealing；First sealing ring 5 and the second sealing ring 6 are conventional hermetic circle.Institute
It states and is additionally provided with flow-guiding structure and liquid storage structure between first seal 3 and second seal 4.
The liquid storage structure includes the fourth annular groove 3.4 for being located at 3 inner wall of first seal, is located at first seal 3
5th annular groove 3.5 of outer wall, the 6th annular groove 4.3 on the outer wall for the inner ring for being located at second seal 4 and it is located at
The 7th annular groove 4.4 on the outer ring inner wall of two sealing elements 4, the fourth annular groove 3.4 and the 6th annular groove 4.3 are right
Together, the 5th annular groove 3.5 is aligned with the 7th annular groove 4.4.
The flow-guiding structure include on the outer wall for be located at the inner ring of 3 inner wall of first seal and second seal 4 between
Second flow channel 8 between 4.1 inner bottom surface of first runner 7, the end face for being located at first seal 3 and first annular groove and it is located at
Third flow channel 9 between one sealing element, 3 outer wall and the outer ring inner wall of second seal 4, the first runner 7,8 and of second flow channel
Third flow channel 9 is connected to.The leading portion of medium first runner 7 flows between second annular groove 3.2 and the 6th annular groove 4.3
Cavity, then the back segment of first runner 7 is flowed into, the 5th annular groove 3.5 is entered to using second flow channel 8 and third flow channel 9
The 7th space between annular groove 4.4 and.The width of 5th annular groove 3.5 is greater than the width of seven annular grooves 4.4.
The fourth annular groove 3.4, the 5th annular groove 3.5, the 6th annular groove 4.3 and the 7th annular groove 4.4
Between be connected to.
A notch 4.5 is additionally provided on the outer wall of second seal 4.
Claims (5)
1. a kind of pump sealing element, including with cover first seal and the second seal that is fixed on pump case in axis, it is described
First seal and second seal are in circular ring structure；It is characterized by: one end of the first seal is equipped with the first bulge loop,
One end end of the second seal is equipped with the first annular groove to match with the first bulge loop, the first bulge loop activity insertion
In first annular groove；The other end of the first seal is equipped with the second bulge loop, the end face and second of first bulge loop
The end face of sealing element is bonded；The inner wall of the first seal is equipped with second annular groove, is equipped in the second annular groove
First sealing ring, the outer wall of first sealing ring and the bottom surface of second annular groove offset sealing, first sealing ring
The outer wall of inner ring and axis offsets sealing；The outer wall of the second seal is equipped with third annular groove, and the third annular is recessed
It is equipped with the second sealing ring in slot, the inner wall of second sealing ring and the bottom surface of third annular groove offset sealing, and described second
The outer wall of sealing ring and the inner wall of pump case offset sealing；Flow-guiding structure is additionally provided between the first seal and second seal
And liquid storage structure.
2. pump sealing element according to claim 1, it is characterised in that: the liquid storage structure includes being located at first seal
The fourth annular groove of inner wall, the 5th annular groove for being located at first seal outer wall, be located at second seal inner ring it is outer
The 6th annular groove on wall and the 7th annular groove being located on the outer ring inner wall of second seal, the fourth annular groove
It is aligned with the 6th annular groove, the 5th annular groove is aligned with the 7th annular groove.
3. pump sealing element according to claim 1, it is characterised in that: the flow-guiding structure includes being located at first seal
First runner between on the outer wall of inner wall and the inner ring of second seal, the end face for being located at first seal with it is first annular recessed
Second flow channel between slot inner bottom surface and the third stream being located between first seal outer wall and the outer ring inner wall of second seal
Road, the first runner, second flow channel are connected to third flow channel.
4. it is according to claim 2 pump use sealing element, it is characterised in that: the fourth annular groove, the 5th annular groove,
It is connected between 6th annular groove and the 7th annular groove.
5. pump sealing element according to claim 1, it is characterised in that: be additionally provided with one on the outer wall of second seal and lack
Mouthful.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820895924.6U CN208431193U (en) | 2018-06-11 | 2018-06-11 | Pump uses sealing element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820895924.6U CN208431193U (en) | 2018-06-11 | 2018-06-11 | Pump uses sealing element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208431193U true CN208431193U (en) | 2019-01-25 |
Family
ID=65100038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820895924.6U Active CN208431193U (en) | 2018-06-11 | 2018-06-11 | Pump uses sealing element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208431193U (en) |
-
2018
- 2018-06-11 CN CN201820895924.6U patent/CN208431193U/en active Active
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