CN203867955U - Pump shaft transmission structure and magnetic drive pump comprising same - Google Patents
Pump shaft transmission structure and magnetic drive pump comprising same Download PDFInfo
- Publication number
- CN203867955U CN203867955U CN201420312366.8U CN201420312366U CN203867955U CN 203867955 U CN203867955 U CN 203867955U CN 201420312366 U CN201420312366 U CN 201420312366U CN 203867955 U CN203867955 U CN 203867955U
- Authority
- CN
- China
- Prior art keywords
- pump
- pump shaft
- magnetic drive
- axle sleeve
- drum type
- 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 pump shaft transmission structure and a magnetic drive pump comprising the same. The pump shaft transmission structure comprises a pump shaft and a shaft sleeve, wherein the pump shaft is sleeved with a drum type ring which is installed between the pump shaft and the shaft sleeve in an interference mode. The utility model further discloses the magnetic drive pump comprising the pump shaft transmission structure. Due to the fact that the drum type ring is additionally arranged between the pump shaft and the shaft sleeve, by means of the interference fit between the drum type ring and the shaft sleeve, the situation that power transmission is achieved by means of keys and key grooves is changed, power transmission of the pump shaft is achieved effectively, the service life of the shaft sleeve of the magnetic drive pump is prolonged, and reliable operation of equipment is guaranteed.
Description
Technical field
The utility model relates to a kind of magnetic drive pump technical field, specifically a kind of pump shaft drive mechanism and comprise the magnetic drive pump of this structure.
Background technique
The distinguishing features such as magnetic drive pump is hermetically sealed with it, nothing is leaked, corrosion-resistant, become the conventional equipment of the departments such as China's oil chemical industry, along with industrial develop rapidlys such as China's oil, chemical industry, demand to magnetic drive pump product is increasing, and the operational safety that therefore how to improve product has become the problem that first technician of magnetic drive pump research and development will consider of being engaged in.
As everyone knows, the flow passage components of magnetic drive pump are corrosion-resistant material, wherein, determine that the critical component in magnetic drive pump working life is thrust ring, sliding bearing and axle sleeve (being commonly called as three-piece).Specific (special) requirements based on above-mentioned use, in recent years, each design, manufacturer all selected excellent performance, corrosion-resistant strong silicon carbide material to act as first-selection to above-mentioned three-piece.Therefore, be contained in the axle sleeve (silicon carbide) on pump shaft if adopt traditional splining to realize the transmission of power of pump shaft, by causing axle sleeve finally to cause pump serious consequence out of service in the place's of splining fracture, fragmentation, affected reliability and the advance of equipment.
Model utility content
The utility model is for the problem of above-mentioned existence, a kind of pump shaft drive mechanism is provided and comprises the magnetic drive pump of this structure.
The utility model for achieving the above object, takes following technological scheme to be achieved:
A pump shaft drive mechanism for magnetic drive pump, comprises pump shaft and axle sleeve, and described pump shaft is arranged with drum type circle, is arranged in axle sleeve to the interference of described cydariform circle.When pump shaft rotates, the interference fit by drum type circle cylindrical drives axle sleeve to rotate.This pump shaft drive mechanism can be widely used in existing magnetic drive pump, changes the conventional construction that magnetic drive pump utilizes key and keyway transferring power, has met the specific (special) requirements of corrosion-resistant magnetic drive pump, has improved the working life of pump.
Described drum type circle can be plastic ring.The most handy polytetrafluoroethylene manufacture of described cydariform circle, decay resistance is good.
The cylindrical of described drum type circle is provided with and runs through the upper and lower opening of cylindrical, is convenient to drum type snare on pump shaft.
The angle of described opening direction and drum type circle end face is 45 °.
Another object of the present utility model is to provide a kind of magnetic drive pump that comprises said pump axis transmission structure, comprises the pump housing, and the described pump housing is provided with pump shaft and axle sleeve, and described pump shaft is arranged with drum type circle, is arranged in axle sleeve to the interference of described cydariform circle.
Compared with prior art, the beneficial effects of the utility model are as follows: the utility model is set up drum type circle between pump shaft and axle sleeve, utilize the interference fit of itself and axle sleeve, effectively realized the transmission of power of pump shaft, improved the working life of axle sleeve and the reliable operation of equipment.When pump shaft rotates, by the tight power of giving of cydariform circle, drive axle sleeve synchronous rotary, efficiently solve axle sleeve and spline, by the key on pump shaft, drive axle sleeve rotation and cause silicon carbide axle sleeve cracking, the serious consequence that equipment is out of service.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of drum type circle in the utility model;
Fig. 3 is the hatch frame schematic diagram of drum type circle in the utility model;
Fig. 4 is the structural representation of the utility model magnetic drive pump.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.
Embodiment 1
Referring to Fig. 1～3, a kind of pump shaft drive mechanism of magnetic drive pump, comprises pump shaft 9 and axle sleeve 12, and pump shaft 9 is arranged with drum type circle 5, is arranged in axle sleeve 12 to 5 interference of drum type circle.When pump shaft 9 rotates, by interference fit drive axle sleeve 12 rotations of drum type circle 5 cylindricals.This pump shaft drive mechanism can be widely used in existing magnetic drive pump, changes the conventional construction that magnetic drive pump utilizes key and keyway transferring power, has met the specific (special) requirements of corrosion-resistant magnetic drive pump, has improved the working life of pump.
Drum type circle 5 can be plastic ring.Wherein, the most handy polytetrafluoroethylene manufacture of cydariform circle 5, decay resistance is good.
For the ease of installing, the cylindrical of drum type circle 5 is provided with and runs through the upper and lower opening of cylindrical 20, is convenient to drum type circle 5 to be enclosed within on pump shaft 9.The angle of opening 20 directions and drum type circle 5 end faces is preferably 45 °.
In order to realize better transmission effect, a plurality of drum type circles can be set between pump shaft 9 and axle sleeve 12, example as described in Figure 1, is provided with two drum type circles in each axle sleeve.
The utility model is set up drum type circle between pump shaft and axle sleeve, utilizes the interference fit of itself and axle sleeve, has effectively realized the transmission of power of pump shaft, has improved the working life of axle sleeve and the reliable operation of equipment.When pump shaft rotates, by the tight power of giving of cydariform circle, drive axle sleeve synchronous rotary, efficiently solve axle sleeve and spline, by the key on pump shaft, drive axle sleeve rotation and cause silicon carbide axle sleeve cracking, the serious consequence that equipment is out of service.
Embodiment 2
Referring to Fig. 4, a kind of magnetic drive pump that comprises pump shaft drive mechanism described in embodiment 1, comprises the pump housing 1, and the pump housing 1 is provided with pump shaft 9 and axle sleeve 12, and pump shaft 12 is arranged with drum type circle 5, is arranged in axle sleeve 12 to 5 interference of drum type circle.
The pump housing 1 also comprises impeller 2, pump cover 3, separation sleeve 4, hitch 6, outer magnet rotor 7, interior magnet rotor 8, plain bearing housing 10, sliding bearing 11 and bearing housing 13.The annexation of these parts belongs to prior art, and therefore not to repeat here.
Magnetic drive pump of the present utility model is set up drum type circle between pump shaft and axle sleeve, utilizes the interference fit of itself and axle sleeve, has effectively realized the transmission of power of pump shaft, has improved the working life of axle sleeve and the reliable operation of equipment.
Above-mentioned is the preferred embodiment of the utility model, when not limiting with this scope of the utility model enforcement, according to the content described in the utility model claim and model utility specification, make simple equivalence and change, within all still belonging to the utility model claim scope.In addition, summary part and title are only the use for auxiliary patent document search, are not used for limiting the interest field of the utility model.
Claims (4)
1. a pump shaft drive mechanism for magnetic drive pump, comprises pump shaft and axle sleeve, it is characterized in that, described pump shaft is arranged with cydariform circle, is arranged in axle sleeve to the interference of described cydariform circle.
2. the pump shaft drive mechanism of a kind of magnetic drive pump according to claim 1, is characterized in that, the cylindrical of described cydariform circle is provided with and runs through the upper and lower opening of cylindrical.
3. the pump shaft drive mechanism of a kind of magnetic drive pump according to claim 1, is characterized in that, the angle of described opening direction and drum type circle end face is 45 °.
4. a magnetic drive pump that comprises pump shaft drive mechanism described in claim 1～3 any one, comprises the pump housing, and the described pump housing is provided with pump shaft and axle sleeve, it is characterized in that, described pump shaft is arranged with drum type circle, is arranged in axle sleeve to the interference of described cydariform circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420312366.8U CN203867955U (en) | 2014-06-12 | 2014-06-12 | Pump shaft transmission structure and magnetic drive pump comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420312366.8U CN203867955U (en) | 2014-06-12 | 2014-06-12 | Pump shaft transmission structure and magnetic drive pump comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203867955U true CN203867955U (en) | 2014-10-08 |
Family
ID=51648915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420312366.8U Expired - Fee Related CN203867955U (en) | 2014-06-12 | 2014-06-12 | Pump shaft transmission structure and magnetic drive pump comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203867955U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112253480A (en) * | 2020-10-20 | 2021-01-22 | 江苏旺源泵阀制造有限公司 | Rotating shaft connecting mechanism and magnetic pump |
-
2014
- 2014-06-12 CN CN201420312366.8U patent/CN203867955U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112253480A (en) * | 2020-10-20 | 2021-01-22 | 江苏旺源泵阀制造有限公司 | Rotating shaft connecting mechanism and magnetic pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141008 Termination date: 20200612 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |