CN207687041U - A kind of centrifugal blower oil-sealing arrangement - Google Patents
A kind of centrifugal blower oil-sealing arrangement Download PDFInfo
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- CN207687041U CN207687041U CN201721858541.3U CN201721858541U CN207687041U CN 207687041 U CN207687041 U CN 207687041U CN 201721858541 U CN201721858541 U CN 201721858541U CN 207687041 U CN207687041 U CN 207687041U
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- oil
- sealing ring
- recovery tank
- shaft
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Abstract
The utility model discloses a kind of centrifugal blower oil-sealing arrangements, including：Fuel tank, left wall, the right wall of the fuel tank are respectively equipped with left and right through-hole；Across the shaft of the left and right through-hole of fuel tank, the shaft connects bearing, which connects bearing block；It is separately connected left and right seal assembly on the peripheral wall of the left and right through-hole of fuel tank；The left and right only oily boss of annular is respectively set in the left and right both ends of the shaft.When work, due to the rotation of shaft, under the influence of centrifugal force, only oily boss gets rid of the lubricating oil in shaft circumference into oil-recovery tank, it is connected to by oil return hole between two adjacent oil-recovery tanks, lubricating oil is pooled to an oil-recovery tank, then the lubricating oil after collecting is back in fuel tank by another oil return hole, to prevent leaking for lubricating oil.The utility model is simple in structure, can effectively prevent the leakage of lubricating oil, ensure that the normal operation of equipment, reduces production cost, avoids environmental pollution.
Description
Technical field
The utility model belongs to blower technology field more particularly to a kind of centrifugal blower oil-sealing arrangement.
Background technology
Centrifugal blower is widely used in the industrial production, and the shaft of centrifugal blower is usually to be connected with bearing
It connects, and the rotation of bearing must be lubricated using lubricating oil, to reduce the abrasion of bearing and take away the heat of bearing friction generation,
Achieve the purpose that extend bearing or even air blower service life, this just needs to prevent the lubricating oil in fuel tank from releasing using oil sealing
And other sundries intrusion bearings such as prevent dust, labyrinth oil seal have widely been adopted as the critical component of centrifugal blower
With this is because labyrinth oil seal can adapt to high temperature, high pressure, and simple in structure, dependable performance is stablized.But labyrinth oil seal
There are the big defect of leakage rate, this defect inevitably brings detrimental effect to production, and causes the wave of lubricating oil
Take.
Utility model content
Above-mentioned in order to solve the problems, such as, the utility model proposes a kind of centrifugal blower oil-sealing arrangement, the device knots
Structure is simple, can effectively prevent the leakage of lubricating oil, ensure that the normal operation of equipment, reduces production cost, avoids environment
Pollution.
To achieve the goals above, the utility model uses following scheme, including：
Fuel tank, left wall, the right wall of the fuel tank are respectively equipped with left and right through-hole；
Across the shaft of the left and right through-hole of fuel tank, the shaft connects bearing, which connects bearing block；
It is separately connected left and right seal assembly on the peripheral wall of the left and right through-hole of fuel tank；The left and right both ends of the shaft point
The left and right only oily boss of annular is not set.
The left seal assembly includes,
The internal perisporium of left outside sealing ring, the left outside sealing ring is equipped with labyrinth seal structure, the labyrinth seal structure
Inner peripheral surface close to the peripheral surface of shaft, the left outside sealing ring is uniformly arranged in the circumferential direction several axial through-holes；
The internal perisporium of the left sealing ring being connected on the right side of left outside sealing ring, the left sealing ring is equipped with labyrinth sealing
Structure, the inner peripheral surface of the labyrinth seal structure is close to the peripheral surface of shaft, the arranged on left and right sides of left sealing ring edge respectively
Several axial threaded holes are circumferentially uniformly arranged, left first bolt passes through the through-hole rear thread connection on left outside sealing ring left close
Seal, the left outside sealing ring connect and compose left first oil-recovery tank with left sealing ring；
The internal perisporium of the left inside sealing ring being connected on the right side of left sealing ring, the left inside sealing ring is equipped with labyrinth sealing
Structure, the inner peripheral surface of the labyrinth seal structure close to shaft peripheral surface, if the left inside sealing ring is uniformly arranged in the circumferential direction
Axial through-hole is done, left second bolt passes through the through-hole rear thread on left inside sealing ring to connect left sealing ring, described left inside close
Seal connects and composes left second oil-recovery tank with left sealing ring；
The arranged on left and right sides of the left first oil-recovery tank inner tank mouths is respectively equipped with the groove of annular, left second oil-recovery tank
The arranged on left and right sides of inner tank mouths is respectively equipped with the groove of annular, the bottom with the left side of right groove in left first oil-recovery tank
Along the circumferential direction it is uniformly arranged several left first oil return holes in second oil-recovery tank between the bottom of left groove, described left second time
The bottom of right groove is along the circumferential direction uniformly arranged the second oil return hole of a left side of several connection fuel tank internals in oil groove.
The right seal assembly includes,
The internal perisporium of right exterior seal ring, the right exterior seal ring is equipped with labyrinth seal structure, the labyrinth seal structure
Inner peripheral surface close to the peripheral surface of shaft, the right exterior seal ring is uniformly arranged in the circumferential direction several axial through-holes；
It is connected to sealing ring in the right side on the left of right exterior seal ring, the internal perisporium of sealing ring is equipped with labyrinth sealing in the right side
Structure, the inner peripheral surface of the labyrinth seal structure close to shaft peripheral surface, it is described it is right in sealing ring arranged on left and right sides edge respectively
Several axial threaded holes are circumferentially uniformly arranged, right first bolt is close in passing through the through-hole rear thread connection on right exterior seal ring right
Sealing ring connects and composes right first oil-recovery tank in seal, the right exterior seal ring and the right side；
The internal perisporium of the right inner seal ring being connected in the right side on the left of sealing ring, the right inner seal ring is equipped with labyrinth sealing
Structure, the inner peripheral surface of the labyrinth seal structure close to shaft peripheral surface, if the right inner seal ring is uniformly arranged in the circumferential direction
Do axial through-hole, sealing ring during right second bolt passes through the through-hole rear thread connection on right inner seal ring right is close in the right side
Sealing ring connects and composes right second oil-recovery tank in seal and the right side；
The arranged on left and right sides of the right first oil-recovery tank inner tank mouths is respectively equipped with the groove of annular, right second oil-recovery tank
The arranged on left and right sides of inner tank mouths is respectively equipped with the groove of annular, the bottom with the right side of left groove in right first oil-recovery tank
Along the circumferential direction it is uniformly arranged several right first oil return holes in second oil-recovery tank between the bottom of right groove, described right second time
The bottom of left groove is along the circumferential direction uniformly arranged the second oil return hole of the right side of several connection fuel tank internals in oil groove.
The left left side for stopping oily boss is inverted round table surface, and it is two that oily boss is stopped on the left side, is respectively protruding into a left side
First oil-recovery tank, left second oil-recovery tank.
The right right side for stopping oily boss is inverted round table surface, and it is two that oily boss is stopped on the right side, is respectively protruding into the right side
First oil-recovery tank, right second oil-recovery tank.
When work, due to the rotation of shaft, under the influence of centrifugal force, only oily boss gets rid of the lubricating oil in shaft circumference
Enter oil-recovery tank, be connected to by oil return hole between two adjacent oil-recovery tanks, lubricating oil is pooled to an oil-recovery tank, then pass through another time
Lubricating oil after collecting is back in fuel tank by oilhole, to prevent leaking for lubricating oil.
The utility model is simple in structure, can effectively prevent the leakage of lubricating oil, ensure that the normal operation of equipment, reduces
Production cost avoids environmental pollution.
Description of the drawings
Fig. 1 is the utility model broken section structural schematic diagram.
Fig. 2 is the local A enlarged diagrams of Fig. 1.
Fig. 3 is the local B enlarged diagrams of Fig. 1.
Specific implementation mode
The utility model is described in further detail below in conjunction with the accompanying drawings, so that those skilled in the art can be more
Add and is apparent from, as shown in Figure 1, Figure 2, Figure 3 shows, the utility model uses following scheme, including：
Fuel tank 1, left wall, the right wall of the fuel tank 1 are respectively equipped with left and right through-hole；
Across the shaft 2 of 1 left and right through-hole of fuel tank, the shaft 2 connects bearing 3, which connects bearing block 4；
It is separately connected left and right seal assembly on the peripheral wall of 1 left and right through-hole of the fuel tank；The left and right both ends of the shaft 2
The left and right only oily boss 5,6 of annular is respectively set.
The left seal assembly includes,
The internal perisporium of left outside sealing ring 7, the left outside sealing ring 7 is equipped with labyrinth seal structure, the labyrinth sealing knot
For the inner peripheral surface of structure close to the peripheral surface of shaft 2, the left outside sealing ring 7 is uniformly arranged in the circumferential direction several axial through-holes；
It is connected to the left sealing ring 8 on 7 right side of left outside sealing ring, the internal perisporium of the left sealing ring 8 is equipped with labyrinth type
Sealing structure, the inner peripheral surface of the labyrinth seal structure is close to the peripheral surface of shaft 2, the arranged on left and right sides of the left sealing ring 8
It is uniformly arranged in the circumferential direction several axial threaded holes respectively, left first bolt 9 passes through the through-hole rear thread on left outside sealing ring 7 to connect
Left sealing ring 8 is connect, the left outside sealing ring 7 connects and composes left first oil-recovery tank 10 with left sealing ring 8；
It is connected to the left inside sealing ring 11 on 8 right side of left sealing ring, the internal perisporium of the left inside sealing ring 11 is equipped with labyrinth
Formula sealing structure, the inner peripheral surface of the labyrinth seal structure is close to the peripheral surface of shaft 2, and the left inside sealing ring 11 is circumferentially
Even several axial through-holes of setting, left second bolt 12 pass through the through-hole rear thread on left inside sealing ring 11 to connect left sealing ring
8, the left inside sealing ring 11 connects and composes left second oil-recovery tank 13 with left sealing ring 8；
The arranged on left and right sides of left first oil-recovery tank, 10 inner tank mouths is respectively equipped with the groove of annular, left second oil return
The arranged on left and right sides of 13 inner tank mouths of slot is respectively equipped with the groove of annular, in left first oil-recovery tank 10 bottom of right groove with
Several left first oil return holes 14, institute are along the circumferential direction uniformly arranged in left second oil-recovery tank 13 between the bottom of left groove
The bottom for stating right groove in left second oil-recovery tank 13 is along the circumferential direction uniformly arranged several left sides being connected to inside fuel tanks 1 second time
Oilhole 15.
The right seal assembly includes,
The internal perisporium of right exterior seal ring 16, the right exterior seal ring 16 is equipped with labyrinth seal structure, the labyrinth sealing
For the inner peripheral surface of structure close to the peripheral surface of shaft 2, the right exterior seal ring 16 is uniformly arranged in the circumferential direction several axial through-holes；
It is connected to sealing ring 17 in the right side in the left side of right exterior seal ring 16, the internal perisporium of sealing ring 17 is equipped with labyrinth in the right side
Formula sealing structure, the inner peripheral surface of the labyrinth seal structure close to shaft 2 peripheral surface, it is described it is right in sealing ring 17 it is left and right
Both sides are uniformly arranged in the circumferential direction several axial threaded holes respectively, after right first bolt 18 passes through the through-hole on right exterior seal ring 16
Sealing ring 17 connects and composes right first oil-recovery tank 19 in sealing ring 17 during threaded connection is right, the right exterior seal ring 16 and the right side；
It is connected to the right inner seal ring 20 in 17 left side of sealing ring in the right side, the internal perisporium of the right inner seal ring 20 is equipped with labyrinth
Formula sealing structure, the inner peripheral surface of the labyrinth seal structure is close to the peripheral surface of shaft 2, and the right inner seal ring 20 is circumferentially
Even several axial through-holes of setting, sealing ring during right second bolt 21 passes through the through-hole rear thread connection on right inner seal ring 20 right
17, the right inner seal ring 20 with it is right in sealing ring 17 connect and compose right second oil-recovery tank 22；
The arranged on left and right sides of right first oil-recovery tank, 19 inner tank mouths is respectively equipped with the groove of annular, right second oil return
The arranged on left and right sides of 22 inner tank mouths of slot is respectively equipped with the groove of annular, in right first oil-recovery tank 19 bottom of left groove with
Several right first oil return holes 23, institute are along the circumferential direction uniformly arranged in right second oil-recovery tank 22 between the bottom of right groove
The bottom for stating left groove in right second oil-recovery tank 22 is along the circumferential direction uniformly arranged several right sides being connected to inside fuel tanks 1 second time
Oilhole 24.
The left left side for stopping oily boss 5 is inverted round table surface, and it is two that oily boss 5 is stopped on the left side, is respectively protruding into
Left first oil-recovery tank 10, left second oil-recovery tank 13.
The right right side for stopping oily boss 6 is inverted round table surface, and it is two that oily boss 6 is stopped on the right side, is respectively protruding into
Right first oil-recovery tank 19, right second oil-recovery tank 22.
When work, due to the rotation of shaft, under the influence of centrifugal force, only oily boss gets rid of the lubricating oil in shaft circumference
Enter in oil-recovery tank, be connected to respectively by oil return hole between two adjacent oil-recovery tanks, lubricating oil is pooled to an oil-recovery tank, then pass through
Lubricating oil after collecting is back in fuel tank by another oil return hole, to prevent leaking for lubricating oil.
The utility model is simple in structure, can effectively prevent the leakage of lubricating oil, ensure that the normal operation of equipment, reduces
Production cost avoids environmental pollution.
Claims (5)
1. a kind of centrifugal blower oil-sealing arrangement comprising
Fuel tank (1), left wall, the right wall of the fuel tank (1) are respectively equipped with left and right through-hole；
Across the shaft (2) of fuel tank (1) left and right through-hole, shaft (2) the connection bearing (3), the bearing (3) connects bearing block
(4)；
It is characterized in that：
It is separately connected left and right seal assembly on the peripheral wall of the left and right through-hole of the fuel tank (1)；The left and right both ends of the shaft (2)
The left and right only oily boss (5,6) of annular is respectively set.
2. oil-sealing arrangement according to claim 1, which is characterized in that the left seal assembly includes:
The internal perisporium of left outside sealing ring (7), the left outside sealing ring (7) is equipped with labyrinth seal structure, the labyrinth sealing knot
For the inner peripheral surface of structure close to the peripheral surface of shaft (2), being uniformly arranged in the circumferential direction for the left outside sealing ring (7) be several axial logical
Hole；
The internal perisporium of the left sealing ring (8) being connected on the right side of left outside sealing ring (7), the left sealing ring (8) is equipped with labyrinth
Formula sealing structure, the inner peripheral surface of the labyrinth seal structure close to shaft (2) peripheral surface, a left side for the left sealing ring (8),
Right both sides are uniformly arranged in the circumferential direction several axial threaded holes respectively, and left first bolt (9) passes through logical on left outside sealing ring (7)
Hole rear thread connects left sealing ring (8), and the left outside sealing ring (7) and connecting and composing for left sealing ring (8) are first time left
Oil groove (10)；
The internal perisporium of the left inside sealing ring (11) being connected on the right side of left sealing ring (8), the left inside sealing ring (11) is equipped with fan
Palace formula sealing structure, the inner peripheral surface of the labyrinth seal structure is close to the peripheral surface of shaft (2), left inside sealing ring (11) edge
Several axial through-holes are circumferentially uniformly arranged, left second bolt (12) passes through the through-hole rear thread connection on left inside sealing ring (11)
Left sealing ring (8), the left inside sealing ring (11) connect and compose left second oil-recovery tank (13) with left sealing ring (8)；
The arranged on left and right sides of left first oil-recovery tank (10) inner tank mouths is respectively equipped with the groove of annular, left second oil-recovery tank
(13) arranged on left and right sides of inner tank mouths is respectively equipped with the groove of annular, the bottom of the interior right groove of left first oil-recovery tank (10)
Several left first oil return holes are along the circumferential direction uniformly arranged between the bottom of the interior left groove of left second oil-recovery tank (13)
(14), the bottom of the interior right groove of left second oil-recovery tank (13) is along the circumferential direction uniformly arranged in several connection fuel tanks (1)
Second oil return hole of a left side (15) in portion.
3. oil-sealing arrangement according to claim 1, which is characterized in that the right seal assembly includes:
The internal perisporium of right exterior seal ring (16), the right exterior seal ring (16) is equipped with labyrinth seal structure, the labyrinth sealing
Close to the peripheral surface of shaft (2), the right exterior seal ring (16) is uniformly arranged in the circumferential direction several axial logical the inner peripheral surface of structure
Hole；
It is connected to sealing ring (17) in the right side on the left of right exterior seal ring (16), the internal perisporium of sealing ring (17) is equipped with fan in the right side
Palace formula sealing structure, the inner peripheral surface of the labyrinth seal structure close to shaft (2) peripheral surface, it is described it is right in sealing ring (17)
Arranged on left and right sides is uniformly arranged in the circumferential direction several axial threaded holes respectively, and right first bolt (18) passes through right exterior seal ring (16)
On through-hole rear thread connection it is right in sealing ring (17), the right exterior seal ring (16) connects and composes with sealing ring (17) in the right side
Right first oil-recovery tank (19)；
The internal perisporium of the right inner seal ring (20) being connected on the left of sealing ring in the right side (17), the right inner seal ring (20) is equipped with fan
Palace formula sealing structure, the inner peripheral surface of the labyrinth seal structure is close to the peripheral surface of shaft (2), right inner seal ring (20) edge
Several axial through-holes are circumferentially uniformly arranged, right second bolt (21) passes through the through-hole rear thread connection on right inner seal ring (20)
Sealing ring (17) connects and composes right second oil-recovery tank (22) in sealing ring (17) in the right side, the right inner seal ring (20) and the right side；
The arranged on left and right sides of right first oil-recovery tank (19) inner tank mouths is respectively equipped with the groove of annular, right second oil-recovery tank
(22) arranged on left and right sides of inner tank mouths is respectively equipped with the groove of annular, the bottom of the interior left groove of right first oil-recovery tank (19)
Several right first oil return holes are along the circumferential direction uniformly arranged between the bottom of the interior right groove of right second oil-recovery tank (22)
(23), the bottom of the interior left groove of right second oil-recovery tank (22) is along the circumferential direction uniformly arranged in several connection fuel tanks (1)
Second oil return hole of the right side (24) in portion.
4. oil-sealing arrangement according to claim 2, it is characterised in that：The left left side for stopping oily boss (5) is inverted
Round table surface, the left oil boss (5) that stops is two, is respectively protruding into left first oil-recovery tank (10), left second oil-recovery tank (13).
5. oil-sealing arrangement according to claim 3, it is characterised in that：The right right side for stopping oily boss (6) is inverted
Round table surface, the right oil boss (6) that stops is two, is respectively protruding into right first oil-recovery tank (19), right second oil-recovery tank (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721858541.3U CN207687041U (en) | 2017-12-27 | 2017-12-27 | A kind of centrifugal blower oil-sealing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721858541.3U CN207687041U (en) | 2017-12-27 | 2017-12-27 | A kind of centrifugal blower oil-sealing arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207687041U true CN207687041U (en) | 2018-08-03 |
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ID=62992294
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721858541.3U Active CN207687041U (en) | 2017-12-27 | 2017-12-27 | A kind of centrifugal blower oil-sealing arrangement |
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| Country | Link |
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| CN (1) | CN207687041U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108087323A (en) * | 2017-12-27 | 2018-05-29 | 安徽虎渡科达流体机械有限公司 | A kind of centrifugal blower oil-sealing arrangement |
-
2017
- 2017-12-27 CN CN201721858541.3U patent/CN207687041U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108087323A (en) * | 2017-12-27 | 2018-05-29 | 安徽虎渡科达流体机械有限公司 | A kind of centrifugal blower oil-sealing arrangement |
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