CN213144773U - Convenient pipeline centrifugal pump - Google Patents
Convenient pipeline centrifugal pump Download PDFInfo
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- CN213144773U CN213144773U CN202020635747.5U CN202020635747U CN213144773U CN 213144773 U CN213144773 U CN 213144773U CN 202020635747 U CN202020635747 U CN 202020635747U CN 213144773 U CN213144773 U CN 213144773U
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- pump
- motor
- shaft
- rigid coupling
- ball bearing
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Abstract
The utility model provides a convenient pipeline centrifugal pump, which comprises a pump body, wherein the pump body is connected with a motor, the pump body comprises a pump shaft, an impeller is arranged at the lower end part of the pump shaft, the motor comprises a motor shaft, the motor shaft is connected with the pump shaft through a rigid coupling, a lead screw is fixed between the pump shaft and the motor shaft, a deep groove ball bearing is sleeved on the pump shaft, and the deep groove ball bearing is positioned between the impeller and the rigid coupling; the motor shaft is sleeved with a motor bearing, and the motor bearing is positioned above the rigid coupling. The utility model discloses the load that the pump end deep groove ball bearing of addding has shared the motor bearing and has born has prolonged the life of motor. Because of the added pump end deep groove ball bearing, under the configuration of the original motor power, the load of the bearing is greatly increased. The pump shaft is connected with the motor shaft through a rigid coupling, and when parts such as a deep groove ball bearing at the pump end of the water pump or an impeller and the like need to be overhauled and replaced, the rigid coupling for connecting the pump shaft with the motor shaft is disassembled.
Description
Technical Field
The utility model relates to a centrifugal pump for pipeline, concretely relates to convenient formula centrifugal pump for pipeline structure.
Background
The main structure of the pipeline centrifugal pump in the current market is shown in figure 1, an impeller of the centrifugal pump and a motor share the same shaft, the advantage of the structure sharing the same shaft is that the shaft is short, but when a large flow is required to be selected, the phenomenon that the bearing of the motor is burnt and damaged frequently occurs in the pump of the structure, and the equipment cannot normally run. In addition, when the bearing of the motor is replaced, the water pump and the motor need to be completely disassembled, and other parts are easily damaged carelessly.
SUMMERY OF THE UTILITY MODEL
Problem to prior art existence, the utility model provides a convenient formula pipeline centrifugal pump structure to solve the problem of above-mentioned at least one kind of technique.
The technical scheme of the utility model is that: a convenient pipeline centrifugal pump comprises a pump body, and is characterized in that the pump body is connected with a motor, the pump body comprises a pump shaft, an impeller is arranged at the lower end part of the pump shaft, the motor comprises a motor shaft, the motor shaft is connected with the pump shaft through a rigid coupling, a screw rod is fixed between the pump shaft and the motor shaft,
the pump shaft is also sleeved with a deep groove ball bearing, and the deep groove ball bearing is positioned between the impeller and the rigid coupling;
the motor shaft is sleeved with a motor bearing, and the motor bearing is located above the rigid coupling.
The utility model discloses the load that the pump end deep groove ball bearing of addding has shared the motor bearing and has born has prolonged the life of motor. Because of the added pump end deep groove ball bearing, under the configuration of the original motor power, the load of the bearing is greatly increased. The pump shaft is connected with the motor shaft through the rigid coupling, when parts such as a deep groove ball bearing at the pump end of the water pump or an impeller and the like need to be overhauled and replaced, the rigid coupling for connecting the pump shaft with the motor shaft is disassembled, and the motor is taken down, so that the part of the water pump can be overhauled, and the water pump is very convenient.
The one end of pump shaft is equipped with the keyway, be equipped with the screw hole that is used for fixed lead screw in the keyway, the other end of pump shaft is equipped with the mounting groove that is used for installing the impeller.
The utility model discloses a screw hole realizes the fixed of lead screw.
The pump body includes a casing, the central authorities of the bottom of casing are and are equipped with the decurrent depressed cavity of opening, the lower surface of casing with the impeller offsets, the lower tip of pump shaft is located the depressed cavity, just deep groove ball bearing is located the depressed cavity is intracavity.
The utility model discloses an optimize the structure of casing, the installation of deep groove ball bearing of can being convenient for.
The upper surface of the shell is fixed with the shell of the motor, and a compression gasket is arranged at the joint of the shell and the shell of the motor. Thereby ensuring the firmness of the connection.
The lead screw is a trapezoid body, and one side of the lead screw is provided with a long-strip-shaped groove. Used for clamping the pump shaft and the motor shaft.
The depth of the groove is not less than one fifth of the whole thickness of the screw rod, and is not more than one fourth of the whole thickness of the screw rod.
The utility model discloses thereby the degree of depth of having optimized the recess can optimize the joint effect.
The rigid coupling is an open-close type rigid coupling, and an open-close groove is formed in the rigid coupling.
The installation of the rigid coupling is facilitated.
Drawings
FIG. 1 is a schematic diagram of the background art
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is a schematic structural view of the pump shaft of the present invention;
fig. 4 is a schematic structural view of the screw rod of the present invention;
fig. 5 is a sectional view of the screw rod of the present invention;
fig. 6 is a schematic structural diagram of the rigid coupling of the present invention.
In the figure: the motor comprises an impeller 1, a motor 2, a pump shaft 3, a motor bearing 4, a deep groove ball bearing 5, a rigid coupling 6, a motor shaft 7, a key groove 8, a screw hole 9, a mounting groove 10, a lead screw 11, a groove 12 and an opening and closing groove 13.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 2-6, a convenient pipeline centrifugal pump comprises a pump body, and is characterized in that the pump body is connected with a motor 2, the pump body comprises a pump shaft 3, an impeller 1 is installed at the lower end part of the pump shaft, the motor comprises a motor shaft 7, the motor shaft is connected with the pump shaft through a rigid coupling 6, a lead screw 11 is further fixed between the pump shaft and the motor shaft, a deep groove ball bearing 5 is further sleeved on the pump shaft, and the deep groove ball bearing is located between the impeller and the rigid coupling; the motor shaft is sleeved with a motor bearing 4, and the motor bearing is positioned above the rigid coupling. The utility model discloses the load that the pump end deep groove ball bearing of addding has shared the motor bearing and has born has prolonged the life of motor. Because of the added pump end deep groove ball bearing, under the configuration of the original motor power, the load of the bearing is greatly increased. The pump shaft is connected with the motor shaft through the rigid coupling, when parts such as a deep groove ball bearing at the pump end of the water pump or an impeller and the like need to be overhauled and replaced, the rigid coupling for connecting the pump shaft with the motor shaft is disassembled, and the motor is taken down, so that the part of the water pump can be overhauled, and the water pump is very convenient.
One end of the pump shaft is provided with a key groove 8, a screw hole 9 for fixing the lead screw is arranged in the key groove, and the other end of the pump shaft is provided with a mounting groove 10 for mounting the impeller. The utility model discloses a screw hole realizes the fixed of lead screw. The pump body includes a casing, and the center of the bottom of casing is and is equipped with the decurrent sunken chamber of opening, and the lower surface and the impeller of casing offset, and the lower tip of pump shaft is located sunken intracavity, and deep groove ball bearing is located sunken intracavity. The utility model discloses an optimize the structure of casing, the installation of deep groove ball bearing of can being convenient for. The upper surface of the shell is fixed with the shell of the motor, and a pressing gasket is arranged at the joint of the shell and the shell of the motor. Thereby ensuring the firmness of the connection. The screw rod is a trapezoid body, and one side of the screw rod is provided with a strip-shaped groove 12. Used for clamping the pump shaft and the motor shaft.
The depth of the groove is not less than one fifth of the whole thickness of the screw rod and not more than one fourth of the whole thickness of the screw rod. The utility model discloses thereby the degree of depth of having optimized the recess can optimize the joint effect. The rigid coupling is an open-close type rigid coupling, and an open-close groove 13 is formed in the rigid coupling. The installation of the rigid coupling is facilitated.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. A convenient pipeline centrifugal pump comprises a pump body, and is characterized in that the pump body is connected with a motor, the pump body comprises a pump shaft, an impeller is arranged at the lower end part of the pump shaft, the motor comprises a motor shaft, the motor shaft is connected with the pump shaft through a rigid coupling, a screw rod is fixed between the pump shaft and the motor shaft,
the pump shaft is also sleeved with a deep groove ball bearing, and the deep groove ball bearing is positioned between the impeller and the rigid coupling;
a motor bearing is sleeved on the motor shaft and is positioned above the rigid coupling;
the rigid coupling is an open-close type rigid coupling, and an open-close groove is formed in the rigid coupling.
2. A centrifugal pump of the type described in claim 1, wherein: the one end of pump shaft is equipped with the keyway, be equipped with the screw hole that is used for fixed lead screw in the keyway, the other end of pump shaft is equipped with the mounting groove that is used for installing the impeller.
3. A centrifugal pump of the type described in claim 1, wherein: the pump body includes a casing, the central authorities of the bottom of casing are and are equipped with the decurrent depressed cavity of opening, the lower surface of casing with the impeller offsets, the lower tip of pump shaft is located the depressed cavity, just deep groove ball bearing is located the depressed cavity is intracavity.
4. A centrifugal pump of the kind described in claim 3, wherein: the upper surface of the shell is fixed with the shell of the motor, and a compression gasket is arranged at the joint of the shell and the shell of the motor.
5. A centrifugal pump of the type described in claim 1, wherein: the lead screw is a trapezoid body, and one side of the lead screw is provided with a long-strip-shaped groove.
6. A centrifugal pump of the kind described in claim 5, wherein: the depth of the groove is not less than one fifth of the whole thickness of the screw rod, and is not more than one fourth of the whole thickness of the screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020635747.5U CN213144773U (en) | 2020-04-24 | 2020-04-24 | Convenient pipeline centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020635747.5U CN213144773U (en) | 2020-04-24 | 2020-04-24 | Convenient pipeline centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213144773U true CN213144773U (en) | 2021-05-07 |
Family
ID=75708312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020635747.5U Active CN213144773U (en) | 2020-04-24 | 2020-04-24 | Convenient pipeline centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213144773U (en) |
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2020
- 2020-04-24 CN CN202020635747.5U patent/CN213144773U/en active Active
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