CN208348091U - A kind of centrifugation chemical pump of high sealing performance - Google Patents
A kind of centrifugation chemical pump of high sealing performance Download PDFInfo
- Publication number
- CN208348091U CN208348091U CN201820457269.6U CN201820457269U CN208348091U CN 208348091 U CN208348091 U CN 208348091U CN 201820457269 U CN201820457269 U CN 201820457269U CN 208348091 U CN208348091 U CN 208348091U
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- CN
- China
- Prior art keywords
- rear end
- end cap
- turbine case
- pump
- pump shaft
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of centrifugation chemical pumps of high sealing performance, including impeller, the impeller rear end and pump shaft are fixedly mounted, and turbine case is set outside impeller, water inlet is arranged in the turbine case side wall axial location, and the mouth of a river is provided in the outer wall side of turbine case, the turbine case rear end setting opening, rear end cap is set at the open rearward end of the turbine case, the rear end cap is connect by fixing bolt with turbine case, and install end cap seal circle between rear end cap and turbine case additional, the centrifugation chemical pump of this high sealing performance replaces sealing means, in such a way that spring force compresses, guarantee sealing effect, prevent side leakage, and the initial deformation amount of spring facilitates adjusting, it only needs that locking nut position is adjusted and can guarantee sealing effect, maintenance is simple, use cost is low.
Description
Technical field
The utility model relates to mechanical equipment technical field, the centrifugation chemical pump of specially a kind of high sealing performance.
Background technique
The working principle of self priming pump is: first filling water (or itself having water in pump case) before water pump starting in pump case.It opens
Impeller high speed rotation makes the water flow in impeller conduit to volute after dynamic, and at this moment entrance forms vacuum, makes to open into water non-return flap, inhale
The air entered in pipe enters in pump, and reaches outer rim through impeller conduit.Self priming pump category self priming centrifugal pump, it has structure tight
It gathers, is easy to operate, running smoothly, safeguarding that easy, high-efficient, the service life is long, and having the advantages that stronger suction capacity.Pipeline is not required to
Bottom valve is installed, only need to guarantee to contain in the pump housing quantitatively to draw liquid before work.Unlike material self priming pump can be used in different liquids.Mesh
Before, centrifugation chemical pump in the market, it includes electric pump ontology.Although this electric pump ontology using effect is good, in use process
Middle discovery because ontology pressure resistance effect and the pressure-resistant effect of sealing device are bad, be easy side leakage the problem of, reduce work effect
Rate, on the other hand, centrifugation chemical pump include the pump housing and machine capping, and the leakproofness between the pump housing and machine capping is poor, cause to want
Frequent repair and replacement, so as to shorten service life.
Utility model content
The technical problems to be solved in the utility model is to overcome existing defect, provides a kind of decentralization of high sealing performance
Work pump, replaces sealing means, in such a way that spring force compresses, guarantees sealing effect, prevents side leakage, and spring is initial
Deformation quantity facilitates adjusting, it is only necessary to be adjusted to locking nut position and can guarantee sealing effect, maintenance is simple, use cost
It is low, it can effectively solve the problems in background technique.
To achieve the above object, the utility model provides the following technical solutions: a kind of centrifugation chemical pump of high sealing performance,
Including impeller, the impeller rear end and pump shaft are fixedly mounted, and turbine case, the turbine case side wall axis position are arranged outside impeller
Water inlet is installed, and the mouth of a river is provided in the outer wall side of turbine case, the turbine case rear end setting is open, the turbine case
Rear end cap is set at open rearward end, and the rear end cap is connect by fixing bolt with turbine case, and between rear end cap and turbine case
Install end cap seal circle additional, through-hole is arranged in the rear end cap middle position, and pump shaft runs through the through-hole of rear end cap surface, and rear end cap
Through-hole be stepped hole, and stationary ring is fixedly mounted inside the stepped hole of rear end cap, swivel becket, institute is set outside the stationary ring
It states swivel becket and connect with spring base by spring, the spring socket sleeve is mounted in outside pump shaft, and the pump shaft is multi-diameter shaft, and spring
Seat is bonded with the shaft shoulder of pump shaft, and rear cover body is coupled outside the pump shaft, and the rear cover body passes through connection bolt and rear end cap
It is fixedly mounted, and bearing mounting hole is arranged in rear cover body rear end, is cooperated in the bearing mounting hole of the rear cover body by bearing pair and is pacified
Armored pump axis, and pump shaft rear end passes through the output axis connection of shaft coupling and motor, the motor and turbine case pass through mounting base respectively
It is fixedly mounted with pedestal.
As a kind of optimal technical scheme of the utility model, external screw thread, and spring base are set at the shaft shoulder of the pump shaft
Install locking nut additional between the shaft shoulder of pump shaft, and locking nut is locking nut, and locking nut and pump shaft surface is outer
It is threadedly engaged installation.
As a kind of optimal technical scheme of the utility model, pad is installed between the locking nut and the shaft shoulder of pump shaft additional
Piece, the gasket are opening gasket.
As a kind of optimal technical scheme of the utility model, the stationary ring is pacified by the way that lock-screw and rear end cap are fixed
Dress, and install stationary ring sealing ring between stationary ring and rear end cap additional.
As a kind of optimal technical scheme of the utility model, extension plate, the extension plate is arranged in the swivel becket rear end
Outside is fixedly connected with spring, and installs rotating ring sealing circle between swivel becket and pump shaft additional.
As a kind of optimal technical scheme of the utility model, the internal diameter of the stationary ring and swivel becket is greater than the outer of pump shaft
Diameter, and the rotating ring sealing circle inside swivel becket and swivel becket and pump shaft are interference fit.
Install rear cover body sealing additional as a kind of optimal technical scheme of the utility model, between the rear end cap and rear cover body
Circle, the back cover body sealing ring, end cap seal circle and rotating ring sealing circle are O-ring seal.
As a kind of optimal technical scheme of the utility model, petroleum pipeline, the petroleum pipeline are set inside the rear end cap
Oil outlet be located at right above the joint place of stationary ring and swivel becket.
As a kind of optimal technical scheme of the utility model, petroleum pipeline upper end and fuel tank inside the rear end cap connect
Logical, the fuel tank and rear end cap are fixedly mounted, and fuel tank internal fills lubricating oil.
As a kind of optimal technical scheme of the utility model, the mounting base of the motor and turbine case passes through fixed spiral shell
Bolt is connect with pedestal, and strip-shaped hole, and the upper and lower surface middle position of pedestal is arranged in the susceptor surface below the mounting base of motor
It is respectively provided with rectangular channel.
Compared with prior art, the utility model has the beneficial effects that the centrifugation chemical pump of this high sealing performance uses
The mode of stationary ring and swivel becket is arranged in impeller rear, is relatively rotated by stationary ring and swivel becket, and in stationary ring and rotation
The mode that oil sealing is formed between ring guarantees the leakproofness of centrifugal pump, while spring applies spring force, guarantees swivel becket and stationary ring
Between extruding force can change the position of spring base to guarantee oil sealing thickness, and the position of adjusting lock nut, from
And change the original length of spring, to realize the adjusting of spring force, guarantee spring to the function and effect of swivel becket.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model section view；
Fig. 3 is enlarged drawing at the utility model A.
In figure: 1 pedestal, 2 motors, 3 shaft couplings, 4 rear cover bodies, 5 turbine cases, 6 water inlets, 7 water outlets, 8 rear end caps, 9 leaves
Wheel, 10 springs, 11 stationary rings, 12 swivel beckets, 13 rotating ring sealing circles, 14 spring bases, 15 locking nuts, 16 gaskets, 17 pumps
Axis, 18 stationary ring sealing rings, 19 back cover body sealing rings, 20 petroleum pipelines, 21 fuel tanks, 22 lock-screws.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, 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 embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of centrifugation chemical pump of high sealing performance, packet
Impeller 9 is included, 9 rear end of impeller and pump shaft 17 are fixedly mounted, and turbine case 5,5 side wall axial location of turbine case are arranged outside impeller 9
Water inlet 6 is set, and the mouth of a river 7,5 rear end of turbine case setting opening, the rear end of turbine case 5 is provided in the outer wall side of turbine case 5
Rear end cap 8 is arranged in opening, and rear end cap 8 is connect by fixing bolt with turbine case 5, and is added between rear end cap 8 and turbine case 5
End cap seal circle is filled, prevents from leaking at the gap between rear end cap 8 and turbine case 5, the setting of 8 middle position of rear end cap is logical
Hole, and pump shaft 17 runs through the through-hole on 8 surface of rear end cap, and the through-hole of rear end cap 8 is stepped hole, and in the stepped hole of rear end cap 8
Stationary ring 11 is fixedly mounted in portion, and swivel becket 12 is arranged outside stationary ring 11, and swivel becket 12 is connect by spring 10 with spring base 14,
Spring base 14 is sleeved on outside pump shaft 17, and pump shaft 17 is multi-diameter shaft, and spring base 14 is bonded with the shaft shoulder of pump shaft 17, pump shaft 17
Outside is coupled rear cover body 4, and rear cover body 4 is fixedly mounted by connection bolt and rear end cap 8, and axis is arranged in 4 rear end of rear cover body
Mounting hole is held, the bearing mounting hole of rear cover body 4 is interior to be coupled pump shaft 17 by bearing pair, and 17 rear end of pump shaft passes through shaft coupling
3 are fixedly mounted by mounting base and pedestal 1 respectively with the output axis connection of motor 2, motor 2 and turbine case 5, the shaft shoulder of pump shaft 17
Place's setting external screw thread, and install locking nut 15 between spring base 14 and the shaft shoulder of pump shaft 17 additional, and locking nut 15 is locking
Nut, and locking nut 15 and the external screw thread on 17 surface of pump shaft are coupled, and prevent the displacement of locking nut 15 during the work time,
It installs gasket 16 between locking nut 15 and the shaft shoulder of pump shaft 17 additional, the position of locking nut 15 is determined, gasket 16 is to open
Mouth gasket, facilitates the replacement and increase and decrease of gasket 16, and stationary ring 11 is fixedly mounted by lock-screw 22 and rear end cap 8, is prevented quiet
Only ring 11 is rotated with swivel becket 12, and installs stationary ring sealing ring 18 between stationary ring 11 and rear end cap 8 additional, and 12 rear end of swivel becket is set
Extension plate is set, is fixedly connected outside extension plate with spring 10, and installs rotating ring sealing circle 13 between swivel becket 12 and pump shaft 17 additional,
The internal diameter of stationary ring 11 and swivel becket 12 be greater than pump shaft 17 outer diameter, and the rotating ring sealing circle 13 swivel becket 12 inside with turn
Rotating ring 12 and pump shaft 17 are interference fit, install back cover body sealing ring 19, rear cover body sealing between rear end cap 8 and rear cover body 4 additional
Circle 19, end cap seal circle and rotating ring sealing circle 13 are O-ring seal, and petroleum pipeline 20, petroleum pipeline 20 is arranged inside rear end cap 8
Oil outlet be located at right above the joint place of stationary ring 11 and swivel becket 12, facilitate the filling of lubricating oil, it is defeated inside rear end cap 8
20 upper end of oil pipe is connected to fuel tank 21, and fuel tank 21 and rear end cap 8 are fixedly mounted, and fill lubricating oil inside fuel tank 21, passes through oil
The filling of case 21 internal lubrication oil makes to form oil sealing between swivel becket 12 and the contact surface of stationary ring 11, is carried out using oil sealing close
Envelope, and oil sealing has both lubricating action, reduces the abrasion of stationary ring 11 and swivel becket 12, and the mounting base of motor 2 and turbine case 5 is equal
It is connect by fixing bolt with pedestal 1, and strip-shaped hole is arranged in 1 surface of pedestal below the mounting base of motor 2, it is convenient to motor 2
Position is adjusted, to guarantee the concentricity of motor 2 Yu pump shaft 17, and the upper and lower surface middle position of pedestal 1 is respectively provided with square
Shape slot reduces the contact area of mounting surface, reduces difficulty of processing.
When in use: water flow enters from water inlet 6, acts on through impeller 9, is discharged from water outlet, in 9 rear end of impeller, spring
10 pairs of rotating wheels 12 apply active force, are bonded swivel becket 12 with stationary ring 11, and 21 internal lubrication oil of fuel tank passes through petroleum pipeline 20
It is filled into the gap between swivel becket 12 and stationary ring 11, when motor 2 works, drives pump shaft 17 to rotate, to make swivel becket
12 and stationary ring 11 relatively rotate, form oil sealing, oil sealing combination stationary ring sealing ring 18 and rotating ring sealing circle 13, which are formed, to be sealed
Circuit effectively avoids the leakage of 5 internal liquid of turbine case, makes when abrasion occur in swivel becket 12 and stationary ring 11, adjusts locking screw
Mother 15 moves locking nut 15 toward the side of swivel becket 12, changes the position of spring base 14, to increase by 10 pairs of spring rotations
The active force of ring 12, to guarantee the stabilization in gap between swivel becket 12 and stationary ring 11.
The utility model passes through 11 He of stationary ring using in such a way that stationary ring 11 and swivel becket 12 is arranged in 9 rear of impeller
Swivel becket 12 relatively rotates, and the mode of oil sealing is formed between stationary ring 11 and swivel becket 12, guarantees the leakproofness of centrifugal pump,
Spring 10 applies spring force simultaneously, guarantees the extruding force between swivel becket 12 and stationary ring 11, thus guarantee oil sealing thickness, and
The position of adjusting lock nut 15, can change the position of spring base 14, to change the original length of spring 10, to realize
The adjusting of spring force guarantees spring 10 to the function and effect of swivel becket 12.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (10)
1. a kind of centrifugation chemical pump of high sealing performance, including impeller (9), it is characterised in that: impeller (9) rear end and pump shaft
(17) it is fixedly mounted, and turbine case (5) is set outside impeller (9), water inlet is arranged in turbine case (5) the side wall axial location
(6), and the outer wall side of turbine case (5) is provided the mouth of a river (7), turbine case (5) the rear end setting opening, the turbine case
(5) rear end cap (8) are set at open rearward end, the rear end cap (8) is connect by fixing bolt with turbine case (5), and rear end
It covers and installs end cap seal circle between (8) and turbine case (5) additional, through-hole is arranged in rear end cap (8) middle position, and pump shaft (17) passes through
The through-hole on rear end cap (8) surface is worn, and the through-hole of rear end cap (8) is stepped hole, and fixed peace inside the stepped hole of rear end cap (8)
It fills stationary ring (11), swivel becket (12) is set outside the stationary ring (11), the swivel becket (12) passes through spring (10) and bullet
Spring abutment (14) connection, it is external that the spring base (14) is sleeved on pump shaft (17), and the pump shaft (17) is multi-diameter shaft, and spring base
(14) it is bonded, is coupled rear cover body (4) outside the pump shaft (17), the rear cover body (4) passes through with the shaft shoulder of pump shaft (17)
It connects bolt and rear end cap (8) is fixedly mounted, and bearing mounting hole, the bearing of the rear cover body (4) is arranged in rear cover body (4) rear end
It is coupled pump shaft (17) in mounting hole by bearing pair, and pump shaft (17) rear end passes through the output of shaft coupling (3) and motor (2)
Axis connection, the motor (2) and turbine case (5) are fixedly mounted by mounting base and pedestal (1) respectively.
2. a kind of centrifugation chemical pump of high sealing performance according to claim 1, it is characterised in that: the pump shaft (17)
External screw thread is set at the shaft shoulder, and installs locking nut (15) additional between spring base (14) and the shaft shoulder of pump shaft (17), and locking nut
It (15) is locking nut, and locking nut (15) and the external screw thread on pump shaft (17) surface are coupled.
3. a kind of centrifugation chemical pump of high sealing performance according to claim 2, it is characterised in that: the locking nut
(15) gasket (16) are installed additional between the shaft shoulder of pump shaft (17), the gasket (16) is opening gasket.
4. a kind of centrifugation chemical pump of high sealing performance according to claim 1, it is characterised in that: the stationary ring (11)
It is fixedly mounted by lock-screw (22) and rear end cap (8), and it is close to install stationary ring between stationary ring (11) and rear end cap (8) additional
Seal (18).
5. a kind of centrifugation chemical pump of high sealing performance according to claim 1, it is characterised in that: the swivel becket (12)
Extension plate is arranged in rear end, is fixedly connected outside the extension plate with spring (10), and adds between swivel becket (12) and pump shaft (17)
It fills rotating ring sealing circle (13).
6. a kind of centrifugation chemical pump of high sealing performance according to claim 1, it is characterised in that: the stationary ring (11)
It is greater than the outer diameter of pump shaft (17), and the rotating ring sealing circle (13) and rotation that swivel becket (12) is internal with the internal diameter of swivel becket (12)
Ring (12) and pump shaft (17) are interference fit.
7. a kind of centrifugation chemical pump of high sealing performance according to claim 1, it is characterised in that: the rear end cap (8)
Back cover body sealing ring (19) are installed additional between rear cover body (4), and the back cover body sealing ring (19), end cap seal circle and swivel becket are close
Seal (13) is O-ring seal.
8. a kind of centrifugation chemical pump of high sealing performance according to claim 1, it is characterised in that: the rear end cap (8)
Inside setting petroleum pipeline (20), the oil outlet of the petroleum pipeline (20) are being located at the joint place of stationary ring (11) and swivel becket (12) just
Top.
9. a kind of centrifugation chemical pump of high sealing performance according to claim 1, it is characterised in that: the rear end cap (8)
Internal petroleum pipeline (20) upper end is connected to fuel tank (21), and the fuel tank (21) and rear end cap (8) are fixedly mounted, and fuel tank (21)
Inside filling lubricating oil.
10. a kind of centrifugation chemical pump of high sealing performance according to claim 1, it is characterised in that: the motor (2) and
The mounting base of turbine case (5) passes through fixing bolt and connect with pedestal (1), and pedestal (1) table below the mounting base of motor (2)
Strip-shaped hole is arranged in face, and the upper and lower surface middle position of pedestal (1) is respectively provided with rectangular channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820457269.6U CN208348091U (en) | 2018-04-03 | 2018-04-03 | A kind of centrifugation chemical pump of high sealing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820457269.6U CN208348091U (en) | 2018-04-03 | 2018-04-03 | A kind of centrifugation chemical pump of high sealing performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208348091U true CN208348091U (en) | 2019-01-08 |
Family
ID=64885815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820457269.6U Expired - Fee Related CN208348091U (en) | 2018-04-03 | 2018-04-03 | A kind of centrifugation chemical pump of high sealing performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208348091U (en) |
-
2018
- 2018-04-03 CN CN201820457269.6U patent/CN208348091U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190108 Termination date: 20210403 |