CN211174735U - Corrosion-resistant plastic vertical centrifugal pump - Google Patents
Corrosion-resistant plastic vertical centrifugal pump Download PDFInfo
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- CN211174735U CN211174735U CN201922285500.5U CN201922285500U CN211174735U CN 211174735 U CN211174735 U CN 211174735U CN 201922285500 U CN201922285500 U CN 201922285500U CN 211174735 U CN211174735 U CN 211174735U
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Abstract
The utility model discloses a vertical centrifugal pump of corrosion-resistant plastics in liquid delivery pump field. Including the pump body, mount, drive mechanism and motor, the pump body is installed on the mount, and the motor passes through drive mechanism and pump body coupling, its characterized in that: the pump body includes pump case, pump cover and impeller, and the pump case, pump cover and impeller adopt high strength, corrosion resistance's plastics to pass through high pressure one-time compression moulding, and the pump body passes through the pump shaft to be connected with drive mechanism, the impeller is connected to pump shaft one end, and the pump shaft other end passes pump cover, drive mechanism and the pivot antithetical couplet of motor are connected, the junction of pump shaft and pump cover is equipped with the sealing member, and the sealing member is wedge sealing washer. The utility model discloses an advantage such as have good corrosion resisting property, operational reliability height and long service life.
Description
Technical Field
The utility model relates to a corrosion-resistant plastics vertical centrifugal pump for liquid delivery pump field.
Background
In the occasion of steel, oil, chemical industry, papermaking, environmental protection, non ferrous metal and pickling acidification etc. transport strong corrosive fluid, silver metal centrifugal pump corrosion resistance is poor not to be suitable for the transport of strong corrosive fluid, steel lining plastics centrifugal pump often is because reasons such as impurity life is very short, and ordinary centrifugal pump adopts the impeller to install in the pivot of motor mostly, the axial distance between motor and the seal structure is shorter, the ubiquitous leaks the phenomenon of burning out the motor because of sealed inefficacy in the weeping arrives the motor bearing. Particularly, on some tanks or troughs, a vertical all-plastic centrifugal pump is needed to replace a submerged pump.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome prior art not enough, provide a compact structure, safe and reliable's corrosion-resistant plastics vertical centrifugal pump.
The utility model discloses a following technical scheme realizes:
the utility model provides a vertical centrifugal pump of corrosion-resistant plastics, includes the pump body, mount, drive mechanism and motor, and the pump body is installed on the mount, and the motor passes through drive mechanism and pump body coupling, its characterized in that: the pump body comprises a pump shell, a pump cover and an impeller, wherein the pump shell, the pump cover and the impeller are formed by high-strength corrosion-resistant plastics through high-pressure one-time pressing, the pump body is connected with a transmission mechanism through a pump shaft, one end of the pump shaft is connected with the impeller, the other end of the pump shaft penetrates through the pump cover and the transmission mechanism to be connected with a rotating shaft of a motor, a sealing element is arranged at the joint of the pump shaft and the pump cover, and the sealing element is a wedge-shaped sealing; the technical scheme is further explained as follows: the pump shell and the pump cover are both made of polyvinylidene fluoride formed by one-time pressing of a die; the impeller is a polyvinylidene fluoride coating layer formed by one-time pressing of a die; the technical scheme is further explained as follows: the fixed frame comprises an installation plate, a supporting pipe and a cover plate, the supporting pipe is connected to the pump body, and the transmission mechanism is fixed on the installation plate; the technical scheme is further explained as follows: the transmission mechanism comprises a pump shaft, a shaft sleeve, a bearing frame and a bearing; the technical scheme is further explained as follows: the pump shaft is connected with a rotating shaft of the motor through a close-type coupler.
Compared with the prior art, the utility model discloses a have characteristics such as good corrosion resisting property, operational reliability height and long service life.
Drawings
Fig. 1 is a structural view of a corrosion-resistant plastic vertical centrifugal pump.
Fig. 2 is a view showing the installation of the wedge-shaped seal ring.
Fig. 3 is a view showing the structure of a wedge-shaped seal ring.
In the figure: the pump comprises a pump shell 1, an impeller 2, a pump cover 3, a metal pump body 4, a pump shaft 5, a support pipe 6, a mounting plate 7, a cover plate 8, a shaft sleeve 9, a bearing 10, a bearing frame 11, a bearing 12, a bearing cover 13, a coupling 14, a connecting frame 15, a motor 16 and a wedge-shaped sealing ring 17.
Detailed Description
The contents of the present invention will be further explained with reference to the drawings attached to the specification:
as shown in the figure, the structure of the corrosion-resistant plastic vertical centrifugal pump comprises a pump shell 1, an impeller 2, a pump cover 3, a metal pump body 4, a pump shaft 5, a support pipe 6, a mounting plate 7, a cover plate 8, a shaft sleeve 9, a bearing 10, a bearing frame 11, a bearing 12, a bearing cover 13, a coupling 14, a connecting frame 15, a motor 16 and a wedge-shaped sealing ring 17. Pump case and pump cover are the disposable compression molding of whole fluoroplastics (PVDF) mould, average thickness is no less than 20mm, be equipped with the steel skeleton in the impeller, the appearance profile of this skeleton is less than impeller appearance profile, disposable compression molding fluoroplastics (PVDF) outside the steel skeleton, with the outer complete package fluoroplastics (PVDF) average thickness of steel skeleton be no less than 20mm, the outer metal of pure plastics pump case (nodular cast iron) pump body, guarantee the pump in case receive accidental impact, can effectual protection, and do not cause the damage pure plastics pump case. The sealing in the installation drawing of the wedge-shaped sealing ring shown in the figure 2 is of a wedge-shaped sealing ring structure, the minimum overflow of a medium is ensured, the normal operation is realized under the condition of no medium, the application range is wider, and the service life is greatly prolonged.
The pump body is connected with the transmission mechanism through the pump shaft, the impeller is connected with a rotating shaft of the motor through the pump shaft, the bearing is arranged between the pump shaft and the bearing frame, the distance between the motor and the pump body is far, liquid leakage to the bearing of the motor due to sealing failure can be avoided, and the operation reliability is improved.
The pump shaft is connected with the rotating shaft of the motor through the encircling type coupler, so that the pump shaft and the rotating shaft of the motor are simply and quickly aligned, and the encircling type coupler is positioned in the motor support.
The above is one embodiment of the present invention, but the present invention is not limited thereto. To the technical personnel in this field, under the circumstances that does not deviate from the technical scheme scope of the utility model, can all utilize the above-mentioned technical content who reveals to the technical scheme of the utility model make many possible changes and embellishments, do not break away from the technical scheme's of the utility model content, according to the utility model discloses simple modification, the equivalent change and the embellishment that technical essence was done to above embodiment all should fall in the scope of the protection of technical scheme of the utility model.
Claims (5)
1. The utility model provides a corrosion-resistant plastics vertical centrifugal pump, includes the pump body, mount, drive mechanism and motor, and the pump body is installed on the mount, and the motor passes through drive mechanism and pump body coupling, its characterized in that: the pump body includes pump case, pump cover and impeller, and the pump case, pump cover and impeller adopt high strength, corrosion resistance's plastics to pass through high pressure one-time compression moulding, and the pump body passes through the pump shaft to be connected with drive mechanism, the impeller is connected to pump shaft one end, and the pump shaft other end passes pump cover, drive mechanism and the pivot antithetical couplet of motor are connected, the junction of pump shaft and pump cover is equipped with the sealing member, and the sealing member is wedge sealing washer.
2. The corrosion-resistant plastic vertical centrifugal pump of claim 1, wherein: the pump shell and the pump cover are both made of polyvinylidene fluoride formed by one-time pressing of a die; the impeller is a polyvinylidene fluoride coating layer formed by one-time pressing of a die.
3. The corrosion-resistant plastic vertical centrifugal pump of claim 1, wherein: the fixing frame comprises an installation plate, a supporting pipe and a cover plate, the supporting pipe is connected to the pump body, and the transmission mechanism is fixed to the installation plate.
4. The corrosion-resistant plastic vertical centrifugal pump of claim 1, wherein: the transmission mechanism comprises a pump shaft, a shaft sleeve, a bearing frame and a bearing.
5. The corrosion-resistant plastic vertical centrifugal pump of claim 1, wherein: the pump shaft is connected with a rotating shaft of the motor through a close-type coupler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922285500.5U CN211174735U (en) | 2019-12-18 | 2019-12-18 | Corrosion-resistant plastic vertical centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922285500.5U CN211174735U (en) | 2019-12-18 | 2019-12-18 | Corrosion-resistant plastic vertical centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211174735U true CN211174735U (en) | 2020-08-04 |
Family
ID=71827222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922285500.5U Active CN211174735U (en) | 2019-12-18 | 2019-12-18 | Corrosion-resistant plastic vertical centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211174735U (en) |
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2019
- 2019-12-18 CN CN201922285500.5U patent/CN211174735U/en active Active
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