CN209818331U - Vertical water pump - Google Patents

Abstract

The utility model discloses a vertical water pump, include: the pump body is internally provided with a first partition plate which divides the pump body into two parts; the water inlet pipe orifice is connected to the side wall of the pump body and communicated with the lower half part of the pump body; the water outlet pipe orifice is connected to the side wall of the pump body and communicated with the upper half part of the pump body; the check valve is connected to the water outlet pipe orifice; the motor is connected to the pump body through a bracket; the joint is connected to the motor; a pump shaft connected to the joint and capable of extending into the upper half of the pump body; the first impeller is connected to the pump shaft and is in clearance fit with the first partition plate; a seal connected to the pump shaft and the bracket and disposed in an upper half of the pump body; thereby overcome the relatively poor technical problem of sealed effect, reached that the leakproofness is good, peripheral operational environment is good technical effect.

Description

Vertical water pump

Technical Field

The utility model relates to a pump technical field, specific vertical water pump that says so.

Background

The pump is a machine for conveying fluid or pressurizing fluid, and transfers mechanical energy of a prime mover or other external energy to the liquid to increase the energy of the liquid; the pump is mainly used for conveying media such as water, oil, acid-base liquid, emulsion, suspoemulsion, liquid metal and the like; in a specific use process, the defects that the sealing effect of a general vertical water pump is poor, a medium leaks from the pump shaft to the motor direction, the waste of the medium is caused, and the peripheral working environment is influenced are found.

Disclosure of Invention

To the above-mentioned weak point that exists among the correlation technique, the utility model aims at providing a vertical water pump to solve the relatively poor technical problem of sealed effect among the correlation technique.

The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is: a vertical water pump is structurally characterized by comprising:

the pump body is internally provided with a first partition plate which divides the pump body into two parts;

the water inlet pipe orifice is connected to the side wall of the pump body and communicated with the lower half part of the pump body;

the water outlet pipe orifice is connected to the side wall of the pump body and communicated with the upper half part of the pump body;

the check valve is connected to the water outlet pipe orifice;

the motor is connected to the pump body through a bracket;

the joint is connected to the motor;

a pump shaft connected to the joint and capable of extending into the upper half of the pump body;

the first impeller is connected to the pump shaft and is in clearance fit with the first partition plate;

a seal connected to the pump shaft and the bracket and disposed in an upper half of the pump body;

the sealing part comprises a sealing cylinder body connected to the bracket; the two second impellers are connected to the pump shaft and are in clearance fit with the sealing cylinder; and the third cover plate is connected to the sealing cylinder body and is in clearance fit with one of the second impellers.

Further: the pump body comprises a first cylinder; the first plate is connected to the lower end face of the first cylinder; the second plate is connected to the upper end face of the first cylinder and used for connecting the bracket; and a plurality of third plates connected between the first cylinder and the first plate.

Further: and the pump body is also provided with a drainage port.

Further: the first clapboard is also provided with a runner part; the flow channel part comprises a flow channel which is connected to the first partition plate, is matched with the first impeller and is used for conveying media, and a flow guide pipe which is connected to the flow channel, is communicated with the flow channel and extends to the water outlet pipe opening.

Further: the check valve includes a second cylinder; the fifth plate is connected to the lower end face of the second cylinder and is used for being connected with the water outlet pipe orifice; the sixth plate is connected to the upper end face of the second cylinder; a seventh plate connected within the second cylinder; and the blocking piece is connected to the seventh plate, can move up and down along the seventh plate, can be in contact with the water outlet pipe opening, and can open or close the water outlet pipe opening.

Further: the bracket comprises an eighth plate which is used for being connected with the pump body; the ninth plate is used for being connected with the motor; and a plurality of tenth plates connected between the eighth plate and the ninth plate.

Further: the first impeller is a semi-open impeller and comprises a first hub which is used for being connected with the pump shaft; the first cover plate is connected to the excircle of the first hub; and a plurality of first blades connected to the first cover plate.

Further: the sealing cylinder comprises a third cylinder; an eleventh plate coupled to an upper surface of the third cylinder; the twelfth plate is connected to the lower surface of the third cylinder; and the second partition plate is connected in the third cylinder and divides the third cylinder into two parts which are used for accommodating the second impeller respectively.

Further: the third cylinder is also provided with a plurality of first through holes.

Further: the second impeller comprises a second hub which is used for being connected with the pump shaft; the second cover plate is connected to the excircle of the second hub; and a plurality of second blades connected to the second cover plate.

The utility model has the advantages that: compared with the prior art, after a medium enters from a water inlet pipe orifice, the medium is pushed away from a check valve and discharged under the action of a first impeller and a pump body, the two second impellers can rotate along with a pump shaft to throw the medium out by arranging a sealing part, and a multi-turn structure is formed among a sealing cylinder body, the second impellers and a third cover plate, so that the medium can be effectively prevented from leaking from the pump shaft to the direction of a motor; thereby overcome the relatively poor technical problem of sealed effect, reached that the leakproofness is good, peripheral operational environment is good technical effect, the practicality is strong.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic structural view of a runner portion in an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a first impeller according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a sealing portion in an embodiment of the present invention;

fig. 5 is a schematic structural diagram of the sealing cylinder in the embodiment of the present invention;

fig. 6 is a schematic structural diagram of a second impeller according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a third cover plate in the embodiment of the present invention;

in the figure: 1. the pump body, 2, a first partition plate, 3, a water inlet nozzle, 4, a water outlet nozzle, 5, a check valve, 6, a motor, 7, a bracket, 8, a joint, 9, a pump shaft, 10, a first impeller, 11, a sealing part, 12, a drainage port, 13, a flow passage part, 1101, a sealing cylinder, 1102, a second impeller, 1103, a third cover plate, 101, a first cylinder, 102, a first plate, 103, a second plate, 104, a third plate, 1301, a flow passage, 1302, a drainage pipe, 501, a second cylinder, 502, a fifth plate, 503, a sixth plate, 504, a seventh plate, 505, a stopper, 701, an eighth plate, 702, a ninth plate, 703, a tenth plate, 1001, a first hub, 1002, a first cover plate, 1003, a first blade, 1101-1, a third cylinder, 1101-2, an eleventh plate, 1101-3, a twelfth plate, 1101-4, a second partition plate, 1101-5, a first through hole, 1102-1, a second hub, 1102-2, a second cover plate, 1102-3, and a second blade.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments;

the utility model relates to a vertical water pump has solved the relatively poor technical problem of sealed effect among the correlation technique, and the general thinking is as follows:

see fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7; a vertical water pump comprising:

the pump body 1 is internally provided with a first partition plate 2, and the first partition plate 2 divides the pump body 1 into two parts;

the water inlet pipe orifice 3 is connected to the side wall of the pump body 1 and communicated with the lower half part of the pump body 1;

the water outlet pipe mouth 4 is connected to the side wall of the pump body 1 and is communicated with the upper half part of the pump body 1;

a check valve 5 connected to the water outlet pipe orifice 4;

the motor 6 is connected to the pump body 1 through a bracket 7;

a joint 8 connected to the motor 6;

a pump shaft 9 connected to the joint 8 and capable of extending into the upper half of the pump body 1;

a first impeller 10 connected to the pump shaft 9 and in clearance fit with the first baffle plate 2;

a seal 11 connected to the pump shaft 9 and the bracket 7 and disposed in the upper half of the pump body 1;

the sealing part 11 comprises a sealing cylinder 1101 connected to the bracket 7; two second impellers 1102 connected to the pump shaft 9 and in clearance fit with the seal cylinder 1101; and a third cover plate 1103 connected to the seal cylinder 1101 and clearance-fitted to one of the second impellers 1102;

specifically, in implementation, after a medium enters from the water inlet pipe orifice 3, the medium is pushed away from the check valve 5 and discharged from the water outlet pipe orifice 4 under the action of the first impeller 10 and the pump body 1, the two second impellers 1102 can rotate along with the pump shaft 9 by virtue of the sealing part 11, the medium is thrown out, and a multi-turn structure is formed among the sealing cylinder 1101, the second impellers 1102 and the third cover plate 1103, so that the medium can be effectively prevented from leaking from the pump shaft 9 to the motor 6; thereby overcoming the technical problem of poor sealing effect and achieving the technical effects of good sealing performance and good surrounding working environment;

the first embodiment is as follows:

specifically, in fig. 1, the pump body 1 comprises a first cylinder 101; a first plate 102 connected to a lower end surface of the first cylinder 101; the second plate 103 is connected to the upper end face of the first cylinder 101 and is used for connecting the bracket 7; and a plurality of third plates 104 connected between the first cylinder 101 and the first plate 102;

the first cylinder 101 is formed by rolling, welding and machining a steel plate;

the first plate 102 is a circular steel plate, is welded with the first cylinder 101, and is used for mounting the vertical water pump;

the second plate 103 is a circular steel plate and is welded with the first cylinder 101;

the third plate 104 is six triangular steel plates, and is welded with the first cylinder 101 and the first plate 102, so that the structural strength is increased;

when the vertical water pump is implemented, the pump body 1 forms a cavity capable of containing a medium and is used for installing and positioning the vertical water pump, so that the operation is convenient;

specifically, in fig. 1, the first partition plate 2 is a circular steel plate, and is welded with the first cylinder 101 to divide the pump body 1 into two parts, and a medium enters the lower half part of the pump body 1 through the water inlet pipe orifice 3, and then is discharged through the water outlet pipe orifice 4 under the action of the first impeller 10; the volume of the lower half part on the pump body 1 is generally larger than that of the upper half part, so that the quantity of media is sufficient, and the cutoff is prevented;

specifically, in fig. 1, the water inlet pipe orifice 3 is assembled and welded with the first cylinder 101 after being assembled and welded with a straight pipe, a bent pipe and a flange, so that a medium can conveniently enter the lower half part of the pump body 1;

specifically, in fig. 1, the water outlet pipe port 4 is formed by assembling and welding a straight pipe, a bent pipe and a flange, and then assembling and welding the straight pipe, the bent pipe and the flange with the first cylinder 101, so as to facilitate the discharge of the medium;

specifically, in fig. 1, the check valve 5 includes a second cylinder 501; a fifth plate 502 connected to the lower end surface of the second cylinder 501 for connecting with the outlet nozzle 4; a sixth plate 503 connected to the upper end surface of the second cylinder 501; a seventh plate 504 connected to the second cylinder 501; and a stopper 505 connected to the seventh plate 504, capable of moving up and down along the seventh plate 504, and capable of contacting the outlet 4 to open or close the outlet 4;

the second cylinder 501 is welded with the circular steel plate through two cylinders with different diameters to form a step-shaped cylinder, which has the function of increasing the flow velocity of the medium;

the fifth plate 502 is a circular steel plate, is welded with the second cylinder 501, and is used for being connected with the water outlet pipe port 4 pad by penetrating a bolt after being provided with a sealing pad;

the sixth plate 503 is a circular steel plate, is welded with the second cylinder 501, and is used for being connected with other pipeline gaskets by penetrating bolts after sealing gaskets are arranged on the pipeline gaskets;

the seventh plate 504 is a rectangular parallelepiped steel plate, welded in the second cylinder 501, and has a second through hole connected to the stopper 505 at the middle;

the stopper 505 comprises a cylinder penetrating through the second through hole, and a circular plate welded on the bottom surface of the cylinder; the diameter of the circular plate is larger than the inner diameter of the water outlet pipe opening 4, so that the circular plate can cover the water outlet pipe opening 4 and has the function of preventing the medium from flowing back;

when the vehicle is parked, the pressure medium is reduced, the stopper 505 falls off to block the water outlet pipe opening 4 and prevent a large amount of media from flowing back, so that the medium does not flow back to impact the first impeller 10, the motor 6 is enabled to rotate reversely, and the motor 6 is protected;

specifically, in fig. 1, the motor 6 is of a prior art construction, such as the Y2 series;

more specifically, in fig. 1, the bracket 7 comprises an eighth plate 701 for connection to the pump body 1; a ninth plate 702 for connection with said electric machine 6; and a plurality of tenth plates 703 connected between the eighth plate 701 and the ninth plate 702;

the eighth plate 701 is an annular steel plate, is connected with the pump body 1 through a bolt, and is connected with the sealing cylinder 1101 through a bolt after a sealing ring is arranged between the eighth plate and the sealing cylinder;

the ninth plate 702 is a circular steel plate and is connected with the motor 6 through bolts;

the number of the tenth plates 703 is four, and the tenth plates 703 are welded with the eighth plate 701 and the ninth plate 702;

when in implementation, the distance between the pump body 1 and the motor 6 is convenient to control, and the joint 8 and the pump shaft 9 are convenient to mount;

specifically, in fig. 1, the joint 8 is integrally cast and formed, then machined, and is connected with the shaft on the motor 6 through a key, and at least two threaded holes are arranged on the side wall of the joint 8 and abut against the shaft on the motor 6 through bolts, so that the joint 8 and the motor 6 are reliably positioned;

specifically, in fig. 1, the pump shaft 9 is machined by round steel and connected with the joint 8 by a bolt;

specifically, in fig. 1 and 3, the first impeller 10 is a semi-open impeller, and includes a first hub 1001 for connecting with the pump shaft 9; a first cover plate 1002 connected to the outer circle of the first hub 1001; a plurality of first blades 1003 connected to the first cover plate 1002;

in practice, the first impeller 108 is integrally cast and formed and then machined; the number of the first blades 1003 is six, and a gap of 0.2mm is reserved between the first blades and the first partition plate 2, so that the efficiency of conveying the medium is ensured, and blockage is not easy to generate;

specifically, in fig. 1, 4, 5, 6, and 7, the sealing cylinder 1101 includes a third cylinder 1101-1; an eleventh plate 1101-2 attached to an upper surface of the third cylinder 1101-1; a twelfth plate 1101-3 attached to a lower surface of the third cylinder 1101-1; and a second partition 1101-4 connected to the inside of the third cylinder 1101-1 to divide the third cylinder 1101-1 into two parts for accommodating the second impeller 1102; the third cylinder 1101-1 is also provided with a plurality of first through holes 1101-5;

the third cylinder 1101-1 is formed by rolling, welding and machining a steel plate, and ten first through holes 1101-5 are machined, so that the medium can be thrown out of the first through holes 1101-5 by the second impeller 1102;

the eleventh plate 1101-2 is a circular steel plate, is welded with the third cylinder 1101-1 and is used for being connected with the eighth plate 701 through a bolt;

the twelfth plate 1101-3 is a circular steel plate, is welded with the third cylinder 1101-1, and is used for being connected with the third cover plate 1103 by penetrating a bolt after a sealing ring is arranged on the third cover plate;

the second partition plate 1101-4 is a circular steel plate, is welded with the third cylinder 1101-1 and is used for partitioning the second impeller 1102, so that a plurality of corners are formed between the second impeller 1102 and the sealing cylinder 1101, and the leakage prevention function is achieved;

the second impeller 1102 includes a second hub 1102-1 for coupling with the pump shaft 9; a second cover plate 1102-2 connected to the outer circle of the second hub 1102-1; and a plurality of second blades 1102-3 connected to the second cover plate 1102-2; the second impeller 1102 is integrally cast and formed and then machined; the number of the second blades 1102-3 is six; the second impeller 1102 is connected with the pump shaft 9 through a key, and after the second impeller 1102 is matched with the sealing cylinder 1101, at least two round nuts are connected on the pump shaft 9, so that the second impeller 1102 is reliably positioned;

six third blades are arranged on the second partition 1101-4 and the third cover plate 1103, the third blades are of rectangular structures and are in clearance fit with the second cover plate 1102-2 on the second impeller 1102, the clearance is generally 0.2mm, the leakage prevention function is achieved, and the second impeller 1102 and the third blades act together when rotating, so that foreign matters can be cut off, and the blockage and jamming prevention function is achieved;

specifically, in fig. 1, the pump body 1 is further provided with a drainage port 12, and when the vertical water pump is started, since a period of time is required, air in the pump body 1 is firstly exhausted, and then the medium can be normally conveyed, and the medium is added through the drainage port 12, the vertical water pump can quickly and normally operate;

specifically, in fig. 1 and 2, the first separator 2 is further provided with a flow path portion 13; the flow passage part 13 comprises a flow passage 1301 connected to the first partition plate 2, cooperating with the first impeller 10, and conveying a medium, and a flow guide pipe 1302 connected to the flow passage 1301, communicating with the flow passage 1301, and extending to the water outlet pipe opening 4;

in implementation, the runner part 13 forms a runner 1301 by assembling and welding an annular steel plate and a cylinder, and a guide pipe 1302 is welded on the cylinder; one end of the flow guide pipe 1302 is communicated with the third through hole on the side wall of the cylinder, and the other end of the flow guide pipe extends to the water outlet pipe opening 4; then the whole body is welded on the first clapboard 2 through a cylinder and is in clearance fit with the first impeller 10, so that when the first impeller 10 rotates, the medium can be quickly pressurized and discharged from the water outlet pipe orifice 4;

specifically, when the pump is installed, the first partition plate 2, the water inlet pipe orifice 3 and the water outlet pipe orifice 4 are assembled and welded with the pump body 1;

the runner part 13 is assembled and welded with the first clapboard 2;

a joint 8 is arranged on the motor 6;

the pump shaft 9 penetrates through the support 7, the sealing part 11 is connected with the pump shaft 9 and the support 7, the first impeller 10 is connected to the pump shaft 9 through a key and is locked by a bolt at the end part;

the motor 6 is connected with the bracket 7 through a bolt, the joint 8 is connected with the pump shaft 9 through a bolt, and the whole body of the joint and the pump shaft is connected to the pump body 1 through the bracket 7;

finally, installing a check valve 5 and a drainage port 12;

the utility model discloses a theory of operation: in implementation, after a medium enters from the water inlet pipe orifice 3, the medium is pushed away from the check valve 5 and discharged from the water outlet pipe orifice 4 under the action of the first impeller 10 and the pump body 1, the two second impellers 1102 can rotate along with the pump shaft 9 by virtue of the sealing part 11, the medium is thrown out, and a multi-turn structure is formed among the sealing cylinder 1101, the second impellers 1102 and the third cover plate 1103, so that the medium can be effectively prevented from leaking from the pump shaft 9 to the motor 6; thereby overcome the relatively poor technical problem of sealed effect, reached that the leakproofness is good, peripheral operational environment is good technical effect.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like, which indicate orientations or positional relationships, are based on the positional relationships illustrated in the drawings, and are only for convenience of describing the present invention or simplifying the description, but do not indicate specific orientations that must be provided; the operation processes described in the embodiments are not absolute use steps, and may be adjusted accordingly when actually used.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (10)

1. A vertical water pump, comprising:

a pump body (1) internally provided with a first partition plate (2), wherein the first partition plate (2) divides the pump body (1) into two parts;

the water inlet pipe orifice (3) is connected to the side wall of the pump body (1) and communicated with the lower half part of the pump body (1);

the water outlet pipe mouth (4) is connected to the side wall of the pump body (1) and is communicated with the upper half part of the pump body (1);

the check valve (5) is connected to the water outlet pipe orifice (4);

a motor (6) connected to the pump body (1) by a bracket (7);

a joint (8) connected to the motor (6);

a pump shaft (9) connected to the joint (8) and able to project into the upper half of the pump body (1);

a first impeller (10) connected to the pump shaft (9) and in clearance fit with the first diaphragm (2);

a seal (11) connected to the pump shaft (9) and to the bracket (7) and arranged in the upper half of the pump body (1);

the sealing part (11) comprises a sealing cylinder (1101) connected to the bracket (7); two second impellers (1102) connected to the pump shaft (9) and in clearance fit with the sealing cylinder (1101); and a third cover plate (1103) connected to the seal cylinder (1101) and clearance-fitted with one of the second impellers (1102).

2. The vertical water pump according to claim 1, wherein: the pump body (1) comprises a first cylinder (101); a first plate (102) connected to the lower end surface of the first cylinder (101); a second plate (103) connected to the upper end surface of the first cylinder (101) for connecting the bracket (7); and a number of third plates (104) connected between the first cylinder (101) and the first plate (102).

3. The vertical water pump according to claim 1, wherein: the pump body (1) is also provided with a drainage port (12).

4. The vertical water pump according to claim 1, wherein: the first clapboard (2) is also provided with a runner part (13); the flow passage part (13) comprises a flow passage (1301) which is connected to the first partition plate (2) and matched with the first impeller (10) to convey media, and a flow guide pipe (1302) which is connected to the flow passage (1301), communicated with the flow passage (1301) and extended to the water outlet pipe opening (4).

5. The vertical water pump according to claim 1, wherein: the check valve (5) comprises a second cylinder (501); the fifth plate (502) is connected to the lower end face of the second cylinder (501) and is used for being connected with the water outlet pipe nozzle (4); a sixth plate (503) connected to the upper end surface of the second cylinder (501); a seventh plate (504) connected within the second cylinder (501); and a stopper (505) connected to the seventh plate (504), capable of moving up and down along the seventh plate (504) and capable of contacting the outlet nozzle (4) to open or close the outlet nozzle (4).

6. The vertical water pump according to claim 1, wherein: the bracket (7) comprises an eighth plate (701) for connection with the pump body (1); a ninth plate (702) for connection to said electric machine (6); and a number of tenth plates (703) connected between the eighth plate (701) and the ninth plate (702).

7. The vertical water pump according to claim 1, wherein: the first impeller (10) is a semi-open impeller and comprises a first hub (1001) which is used for being connected with the pump shaft (9); a first cover plate (1002) attached to the outer circle of the first hub (1001); and a plurality of first blades (1003) connected to the first cover plate (1002).

8. The vertical water pump according to claim 1, wherein: the sealing cylinder (1101) comprises a third cylinder (1101-1); an eleventh plate (1101-2) attached to an upper surface of the third cylinder (1101-1); a twelfth plate (1101-3) attached to a lower surface of the third cylinder (1101-1); and a second partition plate (1101-4) connected in the third cylinder (1101-1) to divide the third cylinder (1101-1) into two parts for respectively accommodating the second impeller (1102).

9. The vertical water pump according to claim 8, wherein: the third cylinder (1101-1) is also provided with a plurality of first through holes (1101-5).

10. The vertical water pump according to claim 1, wherein: the second impeller (1102) comprises a second hub (1102-1) for connection to the pump shaft (9); a second cover plate (1102-2) connected to the outer circle of the second hub (1102-1); and a plurality of second blades (1102-3) connected to the second cover plate (1102-2).