CN207349161U - Miniature dynamic sealing circulation pump suitable for conveying the medium containing granule foreign - Google Patents
Miniature dynamic sealing circulation pump suitable for conveying the medium containing granule foreign Download PDFInfo
- Publication number
- CN207349161U CN207349161U CN201721259850.9U CN201721259850U CN207349161U CN 207349161 U CN207349161 U CN 207349161U CN 201721259850 U CN201721259850 U CN 201721259850U CN 207349161 U CN207349161 U CN 207349161U
- Authority
- CN
- China
- Prior art keywords
- pump
- impeller
- shaft
- medium containing
- granule foreign
- 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.)
- Active
Links
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
It the utility model is related to a kind of miniature dynamic sealing circulation pump for being suitable for conveying medium containing granule foreign, including water conservancy overcurrent unit, driving unit and dynamic seal component, water conservancy overcurrent unit includes the pump housing, impeller, pump cover and pump shaft, pump chamber is formed between the pump housing and pump cover, impeller is located in pump chamber and is connected on pump shaft, pump shaft is sequentially connected through pump cover and driving unit, loading bearing is equipped between pump shaft and pump cover, dynamic seal component includes being installed on pump shaft and the accessory impeller between impeller and pump cover, the preceding door being arranged between impeller and accessory impeller and the spiral pump ring being arranged between pump shaft and pump cover.Compared with prior art, the utility model has the advantages that long, applied widely, the easily operated use of service life.
Description
Technical field
A kind of circulation pump is the utility model is related to, is suitable for conveying the medium containing granule foreign more particularly, to a kind of
Miniature dynamic sealing circulation pump.
Background technology
Circulating pump sealing form in system or unit installation is divided into two kinds of static seal and dynamic sealing, involved by this patent
And seal form that can be in the small power sealing circulating pump of conveying medium containing particles belong to one kind of dynamic sealing, it is and conventional dynamic
Sealing is by medium and isolated from atmosphere by the liquid film that rotating ring and stationary ring are formed, and when operation requires be full of medium in pump, it is impossible to does and transports
Turn and the medium containing granule foreign can not be conveyed, damage probability is larger, and maintenance cost is higher.
The content of the invention
The purpose of this utility model is exactly to be provided a kind of suitable for defeated to overcome the problems of the above-mentioned prior art
Send the miniature dynamic sealing circulation pump of the medium containing granule foreign.
The purpose of this utility model can be achieved through the following technical solutions：
It is a kind of be suitable for conveying the medium containing granule foreign miniature dynamic sealing circulation pump, including water conservancy overcurrent unit and
Driving unit, the water conservancy overcurrent unit include the pump housing, impeller, pump cover and pump shaft, pump chamber, leaf are formed between the pump housing and pump cover
Wheel is located in pump chamber and is connected on pump shaft, and pump shaft is sequentially connected through pump cover and driving unit, is set between pump shaft and pump cover
There is loading bearing, which further includes dynamic seal component, and the dynamic seal component includes being installed on pump shaft and being located at
Accessory impeller between impeller and pump cover, the preceding door being arranged between impeller and accessory impeller and it is arranged between pump shaft and pump cover
Spiral pump ring.
Preferably, the loading bearing is arranged on side of the spiral pump ring towards driving unit.
Preferably, the loading bearing is deep groove ball bearing.
Preferably, the deep groove ball bearing uses closed grease lubricating bearing.
Preferably, the spiral pump ring includes the external screw thread being arranged on pump shaft and is arranged on static on pump cover
Part, the external screw thread are rotated with pump shaft, and are coordinated with the inner surface of static element, for completely cutting off medium and secondary gas at work
The contact of source protection chamber.
Preferably, the impeller is back vane structure impeller, the sealing pressure head that back blade and accessory impeller produce during work
The sum of be more than the pump housing outlet pressure, the gas-liquid mixed area in the pump housing is at the blade center of accessory impeller.
Preferably, the driving unit includes the middle frame being connected on pump cover and the motor being connected between on frame,
The motor is sequentially connected by single-iris shaft coupling and pump shaft.
The utility model does work pumped (conveying) medium by the pump housing and impeller, completely cuts off medium by accessory impeller and spiral pump ring
Contact with air, back vane structure impeller is used cooperatively with accessory impeller, in operational process, makes to be in accessory impeller containing granule medium
Wheel hub gas-liquid mixed area, cancels tradition machinery sealing, the spiral pump ring added at pump cover, has completely cut off connecing for medium and bearing
Touch, so that the utility model is lubricated without medium, improve the efficiency of magnetic drive pump, it is therefore prevented that containing granule medium to deep-groove ball
Bearing, single-iris shaft coupling, the corrosion erosion damage of motor.
The utility model make use of closed grease lubricating bearing to be safeguarded as loading bearing, service free, moisten without cooling down
It is sliding, solve the problems, such as that magnetic drive pump ceramic bearing needs forced feed lubrication.
The utility model seals the isolation to its medium and air by non-contact power, and will contain granule medium sealing
At the gas-liquid two-phase of accessory impeller, solves the friction loss of conventional seals.
The output shaft of the motor of the utility model is sequentially connected with pump shaft using single-iris shaft coupling, it is allowed to is produced between two axis
Existence axial offset, and larger axial load and radial load will not be produced on one point.
Compared with prior art, the utility model has the advantages that：
(1) service life is grown：In addition to loading bearing, miscellaneous part is contactless, can no-load running, the liquid that can break operation, can
Small flow operation, will not cause parts damages due to the use of person's misoperation.Dynamic seal component material is wear-resisting stainless
Steel, service life length.
(2) use scope is wide：Due to pump inner part without friction, without lubrication, medium is in impeller and accessory impeller in operation
Gas-liquid mixed area, therefore on the basis of ensuring to pump performance, harsh operating mode medium can be conveyed, such as it is situated between containing granule medium, easily vaporization
Matter, high-temperature medium, cryogenic media etc..
(3) easily operated use：The utility model may be not only suitable for harsh operating mode, and without special operating requirements, be easy to
Use.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the structure diagram of the spiral pump ring of the utility model.
In figure, 1 is the pump housing, and 2 be impeller, and 3 be preceding door, and 4 be accessory impeller, and 5 be pump cover, and 6 be spiral pump ring, and 7 be deep
Ditch ball bearing, 8 be pump shaft, and 9 be middle frame, and 10 be single-iris shaft coupling, and 11 be motor, and 12 be external screw thread.
Embodiment
The utility model is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1
Miniature dynamic sealing circulation pump suitable for conveying the medium containing granule foreign, as shown in Figure 1, including water conservancy overcurrent
Unit, driving unit and dynamic seal component, water conservancy overcurrent unit include the pump housing 1, impeller 2, pump cover 5 and pump shaft 8, the pump housing 1 with
Pump chamber is formed between pump cover 5, impeller 2 is located in pump chamber and is connected on pump shaft 8, and pump shaft 8 is passed through pump cover 5 and driving unit
Dynamic connection, is equipped with loading bearing between pump shaft 8 and pump cover 5, dynamic seal component includes being installed on pump shaft 8 and being located at impeller 2
Accessory impeller 4 between pump cover 5, the preceding door 3 being arranged between impeller 2 and accessory impeller 4 and it is arranged on pump shaft 8 and pump cover 5
Between spiral pump ring 6.
The driving unit of the present embodiment includes the middle frame 9 being connected on pump cover 5 and the motor being connected between on frame 9
11, motor 11 is sequentially connected by single-iris shaft coupling 10 and pump shaft 8.
In the present embodiment, loading bearing is arranged on side of the spiral pump ring 6 towards driving unit.Loading bearing may be selected
Ground is deep groove ball bearing 7, and uses closed grease lubricating bearing.
As shown in Fig. 2, the spiral pump ring 6 of the present embodiment includes the external screw thread 12 being arranged on pump shaft 8 and is arranged on
Static element on pump cover 5, external screw thread 12 are rotated with pump shaft 8, and are coordinated with the inner surface of static element, for completely cutting off Jie at work
Matter contact with secondary source of the gas protection chamber.Static element can be pump cover 5 itself or with the separable component of pump cover.Outside
For screw thread according to pump rotation direction design, when pump rotates clockwise in terms of motor side, external screw thread is left-handed, and rotation counterclockwise is pumped in terms of motor side
When, external screw thread dextrorotation.
The impeller 2 of the present embodiment is back vane structure impeller, the sealing pressure head that back blade and accessory impeller 4 produce during work it
With the outlet pressure more than the pump housing 1, the gas-liquid mixed area in the pump housing 1 is set to be at the blade center of accessory impeller 4.If back blade and
The sealing pressure head that accessory impeller 4 produces can not offset outlet pressure, can separately continue to increase accessory impeller 4.
The above-mentioned description to embodiment is understood that for ease of those skilled in the art and using invention.
Person skilled in the art obviously easily can make these embodiments various modifications, and described herein general
Principle is applied in other embodiment without by performing creative labour.Therefore, the utility model is not limited to above-described embodiment,
Those skilled in the art's announcement according to the present utility model, does not depart from improvement that the utility model category made and modification all should
Should be within the scope of protection of the utility model.
Claims (7)
1. a kind of miniature dynamic sealing circulation pump for being suitable for conveying medium containing granule foreign, including water conservancy overcurrent unit and drive
Moving cell, the water conservancy overcurrent unit include the pump housing (1), impeller (2), pump cover (5) and pump shaft (8), the pump housing (1) and pump cover
(5) pump chamber is formed between, impeller (2) is located in pump chamber and is connected on pump shaft (8), and pump shaft (8) is through pump cover (5) with driving
Unit is sequentially connected, and loading bearing is equipped between pump shaft (8) and pump cover (5), it is characterised in that the device further includes dynamic seal
Component, the dynamic seal component includes being installed on pump shaft (8) and the accessory impeller between impeller (2) and pump cover (5)
(4), the preceding door (3) being arranged between impeller (2) and accessory impeller (4) and the spiral shell being arranged between pump shaft (8) and pump cover (5)
Rotation pumping ring (6).
2. the miniature dynamic sealing circulation pump according to claim 1 for being suitable for conveying medium containing granule foreign, it is special
Sign is that the loading bearing is arranged on spiral pump ring (6) towards the side of driving unit.
3. the miniature dynamic sealing circulation pump according to claim 1 or 2 for being suitable for conveying medium containing granule foreign, its
It is characterized in that, the loading bearing is deep groove ball bearing (7).
4. the miniature dynamic sealing circulation pump according to claim 3 for being suitable for conveying medium containing granule foreign, it is special
Sign is that the deep groove ball bearing (7) uses closed grease lubricating bearing.
5. the miniature dynamic sealing circulation pump according to claim 1 for being suitable for conveying medium containing granule foreign, it is special
Sign is that the spiral pump ring (6) includes the external screw thread (12) being arranged on pump shaft (8) and is arranged on pump cover (5)
Static element, the external screw thread (12) is rotated with pump shaft (8), and is coordinated with the inner surface of static element, at work every
The contact with secondary source of the gas protection chamber of exhausted medium.
6. the miniature dynamic sealing circulation pump according to claim 1 for being suitable for conveying medium containing granule foreign, it is special
Sign is, the impeller (2) is back vane structure impeller, the sealing pressure head that back blade and accessory impeller (4) produce during work it
With the outlet pressure more than the pump housing (1), the gas-liquid mixed area in the pump housing (1) is set to be at the blade center of accessory impeller (4).
7. the miniature dynamic sealing circulation pump according to claim 1 for being suitable for conveying medium containing granule foreign, it is special
Sign is that the driving unit includes the middle frame (9) being connected on pump cover (5) and the motor being connected between on frame (9)
(11), the motor (11) is sequentially connected by single-iris shaft coupling (10) and pump shaft (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721259850.9U CN207349161U (en) | 2017-09-28 | 2017-09-28 | Miniature dynamic sealing circulation pump suitable for conveying the medium containing granule foreign |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721259850.9U CN207349161U (en) | 2017-09-28 | 2017-09-28 | Miniature dynamic sealing circulation pump suitable for conveying the medium containing granule foreign |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207349161U true CN207349161U (en) | 2018-05-11 |
Family
ID=62356923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721259850.9U Active CN207349161U (en) | 2017-09-28 | 2017-09-28 | Miniature dynamic sealing circulation pump suitable for conveying the medium containing granule foreign |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207349161U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109578319A (en) * | 2017-09-28 | 2019-04-05 | 上海佰诺泵阀有限公司 | Suitable for conveying the miniature dynamic sealing circulation pump of the medium containing granule foreign |
| CN109595195A (en) * | 2018-12-31 | 2019-04-09 | 虞定生 | A kind of leak-proof sealing device for liquid pump |
| CN109578319B (en) * | 2017-09-28 | 2024-07-02 | 上海佰诺泵阀有限公司 | Miniature dynamic seal circulating pump device suitable for conveying medium containing particles and impurities |
-
2017
- 2017-09-28 CN CN201721259850.9U patent/CN207349161U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109578319A (en) * | 2017-09-28 | 2019-04-05 | 上海佰诺泵阀有限公司 | Suitable for conveying the miniature dynamic sealing circulation pump of the medium containing granule foreign |
| CN109578319B (en) * | 2017-09-28 | 2024-07-02 | 上海佰诺泵阀有限公司 | Miniature dynamic seal circulating pump device suitable for conveying medium containing particles and impurities |
| CN109595195A (en) * | 2018-12-31 | 2019-04-09 | 虞定生 | A kind of leak-proof sealing device for liquid pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3284981A1 (en) | Sliding parts | |
| US20060088238A1 (en) | Ball bearing and a vacuum pump that is equipped with a bearing of this type | |
| US5288213A (en) | Pump having an internal pump | |
| CN202851436U (en) | Axial flow pump with dry gas seal | |
| US5308229A (en) | Pump having an internal gas pump | |
| CN111120397A (en) | Centrifugal slurry pump | |
| JPH08159086A (en) | Pump | |
| CN207349161U (en) | Miniature dynamic sealing circulation pump suitable for conveying the medium containing granule foreign | |
| US20080044274A1 (en) | Bearing housing seal system for centrifugal pumps | |
| CN210889438U (en) | Combined dry gas sealing structure suitable for radial-flow impeller | |
| CN107044434B (en) | A kind of minitype high voltage centrifugal blower | |
| CN105987006A (en) | Corrosion-resisting and anti-dry-grinding magnetic axially split pump | |
| KR102029781B1 (en) | Mechanical Seal for Centrifugal Slurry Pump | |
| CN203822655U (en) | Pump for continuous reforming device | |
| CN109923284B (en) | Shaft seal comprising upstream non-contact portion such as labyrinth seal and downstream slinger | |
| US3395649A (en) | Impeller construction | |
| US4342537A (en) | Impeller pump and seal | |
| CN109578319A (en) | Suitable for conveying the miniature dynamic sealing circulation pump of the medium containing granule foreign | |
| CN201281034Y (en) | Bearing arrangement of fluid delivery pump | |
| CN202348682U (en) | Slow-rotary-speed corrosion-resisting wear-resisting centrifugal pump | |
| CN103591054A (en) | Shaft-seal water-cooling heat dissipation protecting system of centrifugal pump | |
| CN203516210U (en) | Water-cooling heat-dissipating protection system of shaft seal of centrifugal pump | |
| CN209370085U (en) | Centrifugal cryogenic liquid pump | |
| CN207377809U (en) | A kind of side goes out radial direction subdivision double suction centrifugal pump into side | |
| RU209697U1 (en) | Compressor shaft seal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |