CN111577662B

CN111577662B - Water pump

Info

Publication number: CN111577662B
Application number: CN202010453371.0A
Authority: CN
Inventors: 吴虹; 许长鑫; 亓丽红
Original assignee: Shandong Huali Water Supply Equipment Co ltd
Current assignee: SHANDONG HUALI WATER SUPPLY EQUIPMENT Co.,Ltd.
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2021-07-13
Anticipated expiration: 2040-05-26
Also published as: CN111577662A

Abstract

The application discloses a water pump, which comprises a pump body with an inlet and an outlet, wherein the inlet is communicated with the outlet through a main runner; the water pump still includes can follow the gliding filtration piece of the pump body can the import with switch between the recoil mouth, work as filter the piece and be located when the import, filter the medium that gets into the pump body, work as filter the piece and be located when the recoil mouth, medium backwash filter. Compared with the prior art, the scheme has the advantages that the water pump can clean the filtering piece without stopping, and the working efficiency of the water pump is improved.

Description

Water pump

Technical Field

The application relates to the field of pumps, in particular to a water pump.

Background

The water pump is a machine for conveying liquid or pressurizing liquid, and it can transfer the mechanical energy of prime mover or other external energy to the liquid to increase the energy of liquid, and is mainly used for conveying liquid including water, oil, acid-base liquid, emulsion, suspoemulsion, liquid metal, etc., and can also convey liquid, gas mixture and liquid containing suspended solid matter.

When the water pump works, impurities such as more gravels can be mixed in the medium, if the water pump works continuously for a long time, when the accumulation of the impurities reaches a certain degree, the operation of parts such as blades of the water pump is unsmooth, the functions are reduced, the pump body structure of the water pump is also influenced, and the abrasion and the loss of a machine are increased.

At present, a water pump is provided with a filtering device at an inlet and needs to be cleaned regularly. When clearing up filter equipment, need dismantle relevant spare part, filter equipment washs the completion back, needs reinstallate, can cause the clearance of water pump not only troublesome, delays the production progress again.

Disclosure of Invention

Therefore, the water pump is needed to be provided for solving the technical problems that the cleaning of the water pump in the prior art is troublesome and the production progress is delayed.

The invention discloses a water pump, which comprises a pump body with an inlet and an outlet, wherein the inlet is communicated with the outlet through a main runner; the water pump still includes can follow the gliding filtration piece of the pump body can the import with switch between the recoil mouth, work as filter the piece and be located when the import, filter the medium that gets into the pump body, work as filter the piece and be located when the recoil mouth, medium backwash filter.

In one embodiment, the number of the backflushing ports is two, each backflushing port is communicated with the main flow channel through a secondary flow channel, and the two backflushing ports are located on two sides of the inlet along the horizontal direction; the filtering piece comprises two filtering areas which are arranged along the horizontal direction, and the two filtering areas can be respectively matched with the inlet and one of the backflushing openings.

In one embodiment, a sliding groove is formed in the pump body and is communicated with the main flow passage and each auxiliary flow passage; the filter element is arranged in the chute and can move along the chute.

In one embodiment, the water pump further includes an adjustment lever coupled to the filter element for adjusting the position of the filter element on the pump body.

In one embodiment, the pump body is further provided with an adjusting hole communicated with the sliding groove, one end of the adjusting rod is connected with the filter element, and the other end of the adjusting rod penetrates through the adjusting hole and extends out of the pump body.

In one embodiment, the filter element further comprises a support frame, the filter area being located within the support frame, the support frame engaging an inner wall of the chute and being slidable along the chute.

In one embodiment, the water pump further comprises a ball valve rotatably mounted in the pump body, and the ball valve can control the secondary flow passage to be opened and closed.

In one embodiment, the ball valve is provided with a valve passage, and the valve passage can communicate the main flow passage with the auxiliary flow passage by rotating the ball valve.

In one embodiment, the primary flow passage comprises:

a horizontal segment extending in a horizontal direction, one end of the horizontal segment being in communication with the inlet;

the vertical section extends along the vertical direction, one end of the vertical section is communicated with the horizontal section, and the other end of the vertical section is communicated with the outlet; the outlet is located at the top of the pump body.

In one embodiment, the main runner further comprises a tributary section extending in a horizontal direction, the tributary section communicating with the vertical section; the ball valve is located between the sub-flow section and the secondary flow passage.

The technical scheme has the advantages that:

1. through setting up vice runner and recoil mouth to make and filter the piece and can remove between side runner and recoil mouth, can be convenient carry out the backwash to filtering piece, avoid filtering piece jam.

2. Through setting up first filtering area and second filtering area to make first filtering area and second filtering area can switch, make the water pump just can clear up filtering piece under the condition that need not shut down, improved the work efficiency of water pump.

3. The ball valve can selectively adjust the on-off of the backflushing opening, and can selectively backflush the first filtering area or the second filtering area by matching with the adjusting rod, so that the first filtering area and the second filtering area of the filtering piece can work repeatedly and alternately,

drawings

Fig. 1 is a perspective view of a water pump according to the present application;

FIG. 2 is a front view of a water pump according to the present disclosure;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is a cross-sectional view taken along line B-B of FIG. 2;

FIG. 5 is a cross-sectional view taken along line C-C of FIG. 2;

FIG. 6 is a left side view of a water pump according to the present disclosure;

FIG. 7 is a cross-sectional view taken along line D-D of FIG. 6;

fig. 8 is a sectional view of a water pump according to another embodiment of the present invention.

In the figure, a water pump 100, a pump body 10, an inlet 11, an outlet 12, a back flushing port 13, a first back flushing port 131, a second back flushing port 132, a main flow passage 14, a horizontal section 141, a vertical section 142, a branch flow section 143, a secondary flow passage 15, a first passage 151, a second passage 152, a third passage 153, a chute 16, a filter element 20, a first filtering area 21, a second filtering area 22, an adjusting rod 23, a support frame 24, an operating portion 25, a ball valve 30, a valve passage 31, an impeller 40 and a main shaft 41.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the present application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 and 2, the present application provides a water pump 100, which includes a pump body 10 having an inlet 11 and an outlet 12, wherein the inlet 11 and the outlet 12 are communicated with each other through a main flow passage 14, the pump body 10 is further provided with a back flushing port 13, the back flushing port 13 is communicated with the main flow passage 14 through a secondary flow passage 15, and the back flushing port 13 and the inlet 11 are located on the same side of the pump body 10; the water pump 100 further comprises a filter element 20 slidable along the pump body 10, the filter element 20 being switchable between the inlet 11 and the backflush port 13, the filter element 20 being capable of filtering the medium entering the pump body 10 when the filter element 20 is located at the inlet 11, and the medium being capable of backflushing the filter element 20 when the filter element 20 is located at the backflush port 13.

It can be understood that, when the medium enters the main flow passage 14, after being filtered by the filtering element 20, the filtering element 20 is easily blocked after a period of time, and needs to be cleaned, at this time, only the filtering element 20 needs to be slid to the back flushing port 13, then the medium in the main flow passage 14 enters the secondary flow passage 15, and the medium reversely flushes the filtering element 20, so as to flush out the impurities on the filtering element 20. After the filter element 20 is flushed, the filter element 20 is then slid to the inlet 11 to continue filtering the media passing through the primary channel 14.

The water pump 100 can clean the filter element 20 without stopping the water pump, thereby improving the working efficiency of the water pump.

As shown in fig. 3, the water pump 100 further includes an impeller 40 disposed in the pump body 10, the impeller 40 is connected to an external motor (not shown) through a main shaft 41, and the impeller 40 is used for providing power for the medium flowing in the main flow passage 14.

Preferably, the number of the backflushing ports 13 is two, each backflushing port 13 is respectively communicated with the main flow passage 14 through the auxiliary flow passage 15, and the two backflushing ports 13 are respectively positioned on two sides of the inlet 11 along the horizontal direction; the filter element 20 comprises two horizontally arranged filter zones which can be associated with the inlet 11 and one of the backflush openings 13.

Specifically, the two filtering zones are a first filtering zone 21 and a second filtering zone 22 respectively; the two backflushing ports 13 are respectively a first backflushing port 131 and a second backflushing port 132, the filter element 20 has two working states, in the first working state, the first filtering area 21 corresponds to the first backflushing port 131, the second filtering area 22 corresponds to the inlet 11, in the second working state, the second filtering area 22 corresponds to the second backflushing port 132, and the first filtering area 21 corresponds to the inlet 11.

Preferably, as shown in fig. 4, in order to facilitate the installation of the filter element 20 in the pump body 10, a chute 16 is formed in the pump body 10, and the chute 16 is communicated with the main flow passage 14 and each of the sub flow passages 15; the filter member 20 is disposed in the chute 16 and is movable along the chute 16.

Preferably, the water pump 100 further comprises an adjusting lever 23 connected to the filter member 20, the adjusting lever 23 being used to adjust the position of the filter member 20 on the pump body 10. So arranged, the operation of the filter element 20 can be more convenient,

preferably, as shown in fig. 3, the pump body 10 is further provided with an adjusting hole communicated with the sliding groove 16, one end of the adjusting rod 23 is connected with the filter member 20, and the other end passes through the adjusting hole and extends out of the pump body 10.

It is understood that the end of the adjusting plate disposed outside the pump body 10 is provided with an operating portion 25, and an operator can pull/push the adjusting member by gripping the operating portion 25.

Preferably, as shown in fig. 3, the filter element 20 further comprises a support frame 24, the filter area being located within the support frame 24, the support frame 24 engaging the inner wall of the chute 16 and being slidable along the chute 16.

Preferably, the water pump 100 further includes a ball valve 30 rotatably installed in the pump body 10, and the ball valve 30 can control the opening and closing of the secondary flow passage 15.

It can be understood that when the filtering area to be washed is located at the backflushing port 13, the main flow passage 14 is communicated with the secondary flow passage 15 by rotating the ball valve 30, the medium backflushs the filtering area, and after the impurities on the filtering element 20 are washed away, the main flow passage 14 and the secondary flow passage 15 can be disconnected by rotating the ball valve 30.

Specifically, as shown in fig. 2, when the filtering area to be washed is located at the first backflush port 131, the ball valve 30 is rotated counterclockwise to communicate the main flow passage 14 with the left-side secondary flow passage 15, the medium backflushs the filtering area, and after the impurities on the filtering member 20 are washed away, the ball valve 30 is rotated clockwise to disconnect the main flow passage 14 from the left-side secondary flow passage 15.

Or, when the filtering area to be washed is located at the second back flushing port 132, the ball valve 30 is rotated clockwise to communicate the main flow passage 14 with the right-side sub flow passage 15, the medium will back flush the filtering area, and after the impurities on the filtering member 20 are flushed away, the ball valve 30 is rotated counterclockwise to disconnect the main flow passage 14 from the right-side sub flow passage 15.

Preferably, as shown in fig. 5 and 7, the ball valve 30 is opened with a valve passage 31, and the valve passage 31 can communicate the main passage 14 with the sub-passage 15.

Preferably, as shown in fig. 3, main flow channel 14 includes a horizontal section 141 extending in a horizontal direction, and a vertical section 142 extending in a vertical direction, one end of horizontal section 141 communicating with inlet 11; one end of the vertical section 142 communicates with the horizontal section 141 and the other end communicates with the outlet 12.

It can be understood that the impeller 40 is located between the horizontal section 141 and the vertical section 142, the inflow port of the impeller 40 corresponds to the end of the horizontal section 141 away from the inlet 11, and the outflow port 12 corresponds to the end of the vertical section 142 away from the outlet 12.

Preferably, as shown in fig. 5 and 7, the main runner 14 further includes a branch flow section 143 extending in the horizontal direction, and the branch flow section 143 communicates with the vertical section 142; the pump body 10 is located between the branch section 143 and the sub-flow passage 15.

It is understood that the sub-flow passage 15 includes a first passage 151 extending in the horizontal direction, a second passage 152 extending in the vertical direction, and a third passage 153 extending in the horizontal direction, the first passage 151 communicating with the kick port 13, the third passage 153 communicating with the branch section 143, the second passage 152 to be disposed between the first passage 151 and the third passage 153 and communicating the first passage 151 with the third passage 153, and the ball valve 30 to be disposed at a junction of the third passage 153 and the branch section 143.

The working process of the invention is as follows: as shown in fig. 4, if the initial position of the filter member 20 is: the first filtering area 21 corresponds to the inlet 11, the second filtering area 22 corresponds to the second backwashing port 132, when the first filtering area 21 needs to be cleaned, the filter element 20 is slid leftwards, the second filtering area 22 is matched with the inlet 11, the first filtering area 21 is matched with the first backwashing port 131, then the ball valve 30 is rotated clockwise, the medium in the main flow passage 14 enters the left auxiliary flow passage, the medium reversely flushes the first filtering area 21, impurities on the first filtering area 21 are flushed away, and meanwhile, the second filtering area 22 continuously filters the medium passing through the main flow passage 14.

As shown in fig. 8, if the initial position of the filter member 20 is: the second filtering area 22 corresponds to the inlet 11, the first filtering area 21 corresponds to the first backwashing port 131, when the second filtering area 22 needs to be cleaned, the filter element 20 slides to the right side, so that the first filtering area 21 is matched with the inlet 11, the second filtering area 22 is matched with the second backwashing port 132, then the ball valve 30 rotates clockwise, the medium in the main flow passage 14 enters the auxiliary flow passage on the right side, the medium reversely flushes the second filtering area 22, impurities on the second filtering area 22 are flushed away, and meanwhile the first filtering area 21 continuously filters the medium passing through the main flow passage 14.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features. When technical features in different embodiments are represented in the same drawing, it can be seen that the drawing also discloses a combination of the embodiments concerned.

The above examples only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application.

Claims

1. A water pump comprises a pump body with an inlet and an outlet, wherein the inlet is communicated with the outlet through a main runner, and the water pump is characterized in that the pump body is also provided with a backflushing port which is communicated with the main runner through an auxiliary runner, and the backflushing port and the inlet are positioned on the same side of the pump body;

the water pump further comprises a filter element slidable along the pump body and switchable between the inlet and the backwash opening, wherein the filter element filters a medium entering the pump body when located at the inlet and backflushs the filter element when located at the backwash opening;

the number of the back flushing ports is two, the back flushing ports are respectively a first back flushing port and a second back flushing port, each back flushing port is communicated with the main flow channel through an auxiliary flow channel, and the two back flushing ports are positioned on two sides of the inlet along the horizontal direction; the filter element comprises two filter areas which are arranged along the horizontal direction, namely a first filter area and a second filter area, and the two filter areas can be matched with the inlet and one of the backflushing ports respectively;

the water pump also comprises a ball valve which is rotatably arranged in the pump body, the ball valve can control the on-off of the auxiliary flow passage, and when the first filtering area corresponds to the first backflushing port and the second filtering area corresponds to the inlet, the first backflushing port is communicated with the main flow passage by rotating the ball valve; when the second filtering area corresponds to the second backflushing port and the first filtering area corresponds to the inlet, the ball valve is rotated to enable the second backflushing port to be communicated with the main flow channel.

2. The water pump of claim 1, wherein a chute is formed in the pump body and is in communication with the primary flow passage and each secondary flow passage; the filter element is arranged in the chute and can move along the chute.

3. The water pump of claim 2, further comprising an adjustment lever coupled to the filter element for adjusting the position of the filter element within the pump body.

4. The pump of claim 3, wherein the pump body further defines an adjustment hole in communication with the sliding groove, one end of the adjustment rod being connected to the filter element, and the other end of the adjustment rod extending through the adjustment hole and out of the pump body.

5. The water pump of claim 2, wherein the filter element further includes a support frame, the filter region being positioned within the support frame, the support frame engaging an inner wall of the spout and being slidable along the spout.

6. The water pump according to claim 1, wherein the ball valve is opened with a valve passage, and the valve passage can communicate the main flow passage with the sub-flow passage by rotating the ball valve.

7. The water pump of claim 1, wherein the primary flow passage comprises:

and the vertical section extends along the vertical direction, one end of the vertical section is communicated with the horizontal section, the other end of the vertical section is communicated with the outlet, and the outlet is positioned at the top of the pump body.

8. The water pump of claim 7, wherein the main runner further includes a tributary section extending horizontally, the tributary section communicating with the vertical section; the ball valve is located between the sub-flow section and the secondary flow passage.