CN217632971U

CN217632971U - Centrifugal pump body structure

Info

Publication number: CN217632971U
Application number: CN202221806380.4U
Authority: CN
Inventors: 罗宇荣
Original assignee: Kunming Changpump Technology Co ltd
Current assignee: Kunming Changpump Technology Co ltd
Priority date: 2022-07-14
Filing date: 2022-07-14
Publication date: 2022-10-21
Anticipated expiration: 2032-07-14

Abstract

The utility model provides a centrifugal pump body structure, which belongs to the technical field of centrifugal pumps and comprises a pump head and a motor, wherein the end part of the pump head is fixedly connected with a water inlet, the side wall of the pump head is fixedly communicated with a water outlet, a filtering mechanism is fixedly arranged inside the water inlet, and a position of the bottom of the pump head corresponding to the filtering mechanism is provided with an impurity cleaning device; be provided with fixed establishment on the lateral wall of motor, motor drive end has the transmission shaft through shaft coupling movable mounting, the transmission shaft extends to the inside of pump head, the one end of transmission shaft is provided with the impeller, the impeller is located the inside of pump head, the solid impurity in this pump body filterable and the discharge water, it is efficient to have the water absorption, long service life, characteristics that can install and use in a flexible way.

Description

Centrifugal pump body structure

Technical Field

The utility model belongs to the technical field of the centrifugal pump, particularly, relate to a centrifugal pump body structure.

Background

A centrifugal water pump, called a centrifugal pump for short, is a machine for pumping water by using the centrifugal motion of water, and has the working principle that before the water pump works, a pump body and a water inlet pipe are filled with water to form a vacuum state, when an impeller rotates quickly, blades promote the water to rotate quickly, the rotating water flies away from the impeller under the action of centrifugal force, and after the water in the pump is thrown out, the central part of the impeller forms a vacuum area. The water is pressurized into the water inlet pipe through the pipe network under the action of atmospheric pressure (or water pressure). Therefore, continuous water pumping can be realized after circulation.

The inner structure of centrifugal pump is comparatively complicated, and the size is great, and the installation is comparatively inconvenient during the use, and when the aquatic solid impurity of extraction was more, inside solid impurity can get into the pump body along with rivers, causes the harm to the impeller in the pump body, and then influences the life of the pump body, increase cost of maintenance, in addition, a large amount of solid impurity when piling up inside the pump body, will influence the flow and the velocity of flow of rivers, and then influence the efficiency of absorbing water.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a centrifugal pump body structure has the operation and stabilizes, long service life, and work efficiency is high, can install the characteristics of use in a flexible way.

The utility model discloses a realize like this:

the utility model provides a centrifugal pump body structure, wherein, a pump head and a motor are provided, the end part of the pump head is fixedly connected with a water inlet, the side wall of the pump head is fixedly communicated with a water outlet, a filtering mechanism is fixedly arranged inside the water inlet, and a position of the bottom of the pump head corresponding to the filtering mechanism is provided with an impurity cleaning device; be provided with fixed establishment on the lateral wall of motor, motor drive end has the transmission shaft through shaft coupling movable mounting, the transmission shaft extends to the inside of pump head, the one end of transmission shaft is provided with the impeller, the impeller is located the inside of pump head.

The utility model provides a pair of centrifugal pump body structure's technological effect as follows: by arranging the pump head and the motor, the motor directly drives the impeller through the transmission shaft, so that the power loss of the motor is reduced, and the pumping efficiency of the pump body is improved; the pump body can be stably fixed on the bottom surface or the base platform in the working process through the fixing structure arranged on the side wall of the motor, so that the stable operation of the pump body is ensured; through setting up filtering mechanism, impurity such as silt, gravel in can effectively filtering aquatic avoids causing the damage of inner structure, improves life, and in addition through the impurity cleaning device who sets up, can carry out the clearance operation of impurity such as silt, prevents that silt from blockking up the water inlet, makes the pump body keep clear internal environment.

On the basis of the technical scheme, the utility model discloses a centrifugal pump body structure can also be as follows the improvement:

optionally, one end of the pump head connected with the motor is connected with an end cover, a connecting hole matched with the transmission shaft is formed in the end cover, and the transmission shaft is embedded into the connecting hole.

Optionally, an annular fastening groove is formed in the outer side wall of the water outlet.

The beneficial effect who adopts above-mentioned improvement scheme does: through setting up annular fastening groove, can make the tip of delivery port inseparabler with being connected of conduit, the conduit takes place the obscission when avoiding the velocity of water flow great.

Optionally, the filtering mechanism comprises a filtering frame, a filtering net is fixedly connected to the middle of the filtering frame, and the filtering frame is connected to the inside of the water inlet through an embedding mechanism.

Optionally, the impurity cleaning device includes a collecting cavity recessed downwards, a cleaning hole is formed in the bottom of the collecting cavity, and a detachable sealing cover is arranged in the cleaning hole.

Optionally, the transmission mechanism is an M-shaped fixed support arranged at the bottom of the motor.

Furthermore, a sealing ring is nested between the transmission shaft and the connecting hole.

The beneficial effect who adopts above-mentioned improvement scheme does: through setting up connecting hole and sealing washer, can avoid leading to the damage of motor because leaking because the vacuum environment of gap influence pump head inside in can being so that the pump head forms the confined environment, avoid simultaneously.

Furthermore, the bottom of the fixing support extends outwards, a plurality of fixing holes are formed in the extending part, and fixing screws are movably connected in the fixing holes.

The beneficial effect who adopts above-mentioned improvement scheme does: by arranging the fixed support, the device can be flexibly arranged on the ground or an operation base station, and is convenient to use; and through setting up the fixed band, can be so that pump head and motor stable connection in the fixed bolster top, vibrations when avoiding the motor operation cause the removal of device and then influence the effect of drawing water.

Further, the top of fixed bolster still is provided with many fixed bands, the fixed band with the lateral wall of motor meets.

Furthermore, the end part of the fixing band is fixedly connected with the fixing support through a bolt.

Compared with the prior art, the utility model provides a pair of centrifugal pump body structure's beneficial effect is: by arranging the filtering mechanism, solid impurities in water can be effectively filtered, the solid impurities are prevented from entering the interior of the pump head to damage the impeller, and the service life of the pump body is prolonged; by arranging the impurity cleaning device, the filtered solid impurities can be collected and cleaned, the problem of impurity accumulation in the pump body can be solved, the water inlet is prevented from being blocked, the internal environment of the pump body is kept clean, and the working efficiency of the pump body is improved; the transmission shaft is directly connected with the impeller, so that the rotating torque output by the motor directly acts on the impeller, the loss is reduced, and the water absorption effect is improved; through setting up the fixed bolster, can make the pump body nimble install in various environment, the flexibility is stronger.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

FIG. 1 is a schematic diagram of a centrifugal pump body structure;

FIG. 2 is a schematic diagram of a pump head of a centrifugal pump body structure;

FIG. 3 is a schematic view of a fixed structure of a pump body structure of the centrifugal pump;

FIG. 4 is an enlarged view taken at A in FIG. 3;

in the drawings, the components represented by the respective reference numerals are listed below:

10. a pump head; 11. a water inlet; 12. a water outlet; 121. a fastening groove; 13. a filtering mechanism; 131. a filter frame; 132. a filter screen; 14. an impurity cleaning device; 141. a collection chamber; 142. cleaning the holes; 143. a sealing cover; 15. an end cap; 151. connecting holes; 152. a seal ring; 20. a motor; 21. a drive shaft; 22. an impeller; 23. a fixed bracket; 231. a fixing hole; 232. and (7) fixing the belt.

Detailed Description

To make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

As shown in fig. 1-3, the first embodiment of the pump body structure of the centrifugal pump provided by the present invention is a pump head 10 and a motor 20, the end of the pump head 10 is fixedly connected with a water inlet 11, the side wall of the pump head 10 is fixedly communicated with a water outlet 12, a filtering mechanism 13 is fixedly disposed inside the water inlet 11, and a position of the bottom of the pump head 10 corresponding to the filtering mechanism 13 is provided with an impurity cleaning device 14; the side wall of the motor 20 is provided with a fixing mechanism, the transmission end of the motor 20 is movably provided with a transmission shaft 21 through a coupling, the transmission shaft 21 extends into the pump head 10, one end of the transmission shaft 21 is provided with an impeller 22, and the impeller 22 is positioned inside the pump head 10.

When the water outlet device is used, a user fixedly communicates the water inlet 11 with the water inlet pipeline, sleeves the water delivery pipeline outside the water outlet 12, and tightly ties the pipeline inside the fastening groove 121 by using a fastening tie; after the centrifugal pump is operated, water flow enters from the water inlet 11, when the water flow passes through the position of the filtering mechanism 13 in the water inlet 11, impurities such as silt, gravel and the like in the water flow are filtered under the action of the filtering net 132 and are deposited into the impurity cleaning device 14, the filtered water flow flows to the impeller 22, flows to the water outlet 12 under the rotation action of the impeller 22 driven by the motor 20 and flows out along a water pipeline; during cleaning, the sealing cover 143 at the bottom of the collecting cavity 141 is opened, and impurities such as silt and gravel can be discharged out of the pump body under the action of gravity.

Optionally, in the above technical solution, an end cover 15 is connected to one end of the pump head 10 connected to the motor 20, a connection hole 151 matched with the transmission shaft 21 is formed in the end cover 15, and the transmission shaft 21 is embedded in the connection hole 151.

As shown in fig. 4, in the above technical solution, the outer side wall of the water outlet 12 is provided with a ring-shaped fastening groove 121.

During the use, on the lateral wall of delivery port 12 was located to the conduit cover, the fastening ribbon tightly tied up in the outside of conduit, and the fastening ribbon nestification is inside fastening groove 121.

Optionally, in the above technical solution, the filtering mechanism 13 includes a filtering frame 131, a filtering net 132 is fixedly connected to the middle of the filtering frame 131, and the filtering frame 131 is connected to the inside of the water inlet 11 through an embedding mechanism.

In use, impurities such as silt and gravel in the liquid flow through the water flow towards the filtering mechanism 13, the water flow can continue to move forward through the holes on the filtering net 132, and the impurities such as silt and gravel are blocked.

Optionally, in the above technical solution, the impurity cleaning device 14 includes a collecting cavity 141 recessed downward, a cleaning hole 142 is formed at the bottom of the collecting cavity 141, and a detachable sealing cover 143 is disposed in the cleaning hole 142.

During the use, after the filtration of straining mechanism 13, impurity such as silt, gravel gets into inside the collection chamber 141 through the deposit, and during the clearance operation, opens sealed lid 143, impurity such as silt, gravel can discharge outside the pump body.

Optionally, in the above technical solution, the transmission mechanism is an M-shaped fixing bracket 23 disposed at the bottom of the motor 20.

In use, the motor 20 is placed in the groove at the top of the fixing bracket 23, and the fixing bracket 23 is fixed to the bottom surface or the operation base by using the fixing screw through the fixing hole 231.

Further, in the above technical solution, a sealing ring 152 is nested between the transmission shaft 21 and the connection hole 151.

When the sealing ring is used, the transmission shaft 21 at the output end of the motor 20 penetrates through the connecting hole 151 in the end cover 15, and at the moment, the inner wall of the sealing ring 152 is attached to the outer wall of the transmission shaft 21; the outer wall of the sealing ring 152 is attached to the side wall of the connection hole 151.

Further, in the above technical scheme, the bottom of the fixing bracket 23 extends outwards, and the extending part is provided with a plurality of fixing holes 231, and a fixing screw is movably connected in the fixing hole 231.

Further, in the above technical solution, a plurality of fixing bands 232 are further disposed above the fixing bracket 23, and the fixing bands 232 are connected with the side wall of the motor 20.

When the fixing device is used, the inner wall of the fixing belt 232 is connected with the side wall of the motor 20, the end part of the fixing belt 232 is fixed on the fixing support 23 through the bolt mechanism, and the motor 20 is fixedly connected with the fixing support 23 at the moment.

Further, in the above technical solution, the end of the fixing band 232 is fixedly connected with the fixing bracket 23 through a bolt.

Specifically, the utility model discloses a theory of operation is: when water pumping is carried out, the impeller 22 rotates, a near vacuum state is formed inside the pump body, and external water flow enters the inside of the pump body from the water inlet 11; the water flow firstly reaches the position of the filtering mechanism 13, the water flow continues to move inwards after being filtered by the filtering mechanism 13, flows into the cavity where the impeller 22 is located, and flows to the water outlet 12 under the rotation action of the impeller 22 and is discharged along the water outlet 12; meanwhile, impurities such as silt, gravel and the like filtered by the filtering mechanism 13 are accumulated at the bottom of the impurity cleaning device 14 through sedimentation, so that the circulation environment inside the water inlet 11 can be kept smooth; during cleaning, the sealing cover 143 at the bottom of the impurity cleaning device 14 is removed, and impurities such as silt and gravel can be discharged outwards under the action of gravity.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A centrifugal pump body structure is characterized by comprising a pump head (10) and a motor (20), wherein a water inlet (11) is fixedly connected to the end of the pump head (10), a water outlet (12) is fixedly communicated with the side wall of the pump head (10), a filtering mechanism (13) is fixedly arranged inside the water inlet (11), and a foreign matter cleaning device (14) is arranged at the position, corresponding to the filtering mechanism (13), of the bottom of the pump head (10); be provided with fixed establishment on the lateral wall of motor (20), motor (20) transmission end has transmission shaft (21) through shaft coupling movable mounting, transmission shaft (21) extend to the inside of pump head (10), the one end of transmission shaft (21) is provided with impeller (22), impeller (22) are located the inside of pump head (10).

2. The centrifugal pump body structure according to claim 1, wherein an end cover (15) is connected to an end of the pump head (10) connected to the motor (20), a connecting hole (151) matched with the transmission shaft (21) is formed in the end cover (15), and the transmission shaft (21) is embedded in the connecting hole (151).

3. A centrifugal pump body structure according to claim 1, characterized in that the outer side wall of the water outlet (12) is provided with an annular fastening groove (121).

4. A centrifugal pump body structure according to claim 1, characterized in that the filter mechanism (13) comprises a filter frame (131), a filter screen (132) is fixedly connected to the middle of the filter frame (131), and the filter frame (131) is connected to the inside of the water inlet (11) through a fitting mechanism.

5. A centrifugal pump body structure according to claim 1, characterized in that the impurity cleaning device (14) comprises a collecting cavity (141) which is concave downwards, a cleaning hole (142) is formed at the bottom of the collecting cavity (141), and a detachable sealing cover (143) is arranged in the cleaning hole (142).

6. A centrifugal pump body structure according to claim 1, characterized in that said fixing means are M-shaped fixing brackets (23) provided at the bottom of said motor (20).

7. A centrifugal pump body structure according to claim 2, characterized in that a seal ring (152) is nested between the transmission shaft (21) and the connection hole (151).

8. A centrifugal pump body structure according to claim 6, characterized in that the bottom of the fixing support (23) extends outwards, and a plurality of fixing holes (231) are arranged at the extending part, and fixing screws are movably connected in the fixing holes (231).

9. A centrifugal pump body structure according to claim 6, characterized in that a plurality of fixing belts (232) are further arranged above the fixing support (23), and the fixing belts (232) are connected with the side wall of the motor (20).

10. A centrifugal pump body structure according to claim 9, characterized in that the end of the fixing band (232) is fixedly connected with the fixing bracket (23) by a bolt.