CN111594448B - Anti-blocking water pump - Google Patents
Anti-blocking water pump Download PDFInfo
- Publication number
- CN111594448B CN111594448B CN202010466987.1A CN202010466987A CN111594448B CN 111594448 B CN111594448 B CN 111594448B CN 202010466987 A CN202010466987 A CN 202010466987A CN 111594448 B CN111594448 B CN 111594448B
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- China
- Prior art keywords
- filter
- pump
- cavity
- central shaft
- water inlet
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/708—Suction grids; Strainers; Dust separation; Cleaning specially for liquid pumps
Abstract
The invention discloses an anti-blocking water pump which comprises a pump body, wherein a pump cavity is arranged in the pump body, a pump cover is fixedly arranged at an opening of the pump cavity, a power shaft is rotatably connected in the pump cover, an impeller is arranged on one power shaft, and a water inlet and a water outlet pipeline communicated with the pump cavity are arranged on the side surface of the pump body; a filter cavity is arranged on the side face of the pump body, a cover plate is fixedly arranged at the opening of the filter cavity, and a water inlet pipeline is arranged on the cover plate; a central shaft is fixedly arranged in the filter cavity, a filter shell is axially and slidably connected in the filter cavity, a filter cover is fixedly arranged at an opening of the filter shell, and a through hole is formed in the bottom of the filter shell; the central shaft extends into the filter shell and is provided with a filter disc, and the filter disc is provided with a plurality of filter element assemblies; a return spring is arranged in the filter cavity; the side wall of an inner hole of the filter disc matched with the central shaft is provided with a track groove, and the central shaft is provided with a convex column extending into the track groove; the anti-blocking water pump is simple in structure and capable of automatically switching the filter element assemblies.
Description
Technical Field
The invention belongs to the technical field of water pumps, and particularly relates to an anti-blocking water pump.
Background
The water pump is a machine for conveying liquid or pressurizing liquid, and transmits mechanical energy of a prime motor or other external energy to the liquid to increase the energy of the liquid, the common water pump generally has complicated working conditions, and a working place possibly contains more gravels and impurities, and the existing water pump is provided with a filtering device at a water inlet, so that the water pump continuously works for a long time and the water inlet is blocked; to avoid the water inlet clogging, cleaning is required regularly. During cleaning, relevant parts need to be disassembled, and the parts are reinstalled after cleaning. Not only is troublesome, but also delays the production progress and causes certain inconvenience for production. In view of the above technical problems, improvements are needed.
Disclosure of Invention
The invention aims to provide an anti-blocking water pump which is simple in structure and can automatically switch filter element assemblies.
In order to achieve the purpose, the invention provides the following technical scheme:
an anti-blocking water pump comprises a pump body, wherein a pump cavity is arranged in the pump body, a pump cover is fixedly installed at an opening of the pump cavity, a power shaft is connected in the pump cover in a rotating mode, one end of the power shaft extends into the pump cavity and is fixedly provided with an impeller, a water inlet communicated with the pump cavity is formed in the side face of the pump body along the axial direction of the power shaft, and a water outlet pipeline communicated with the pump cavity is formed in the radial direction of the impeller; a filter cavity is arranged on the outer side of the water inlet on the side face of the pump body, a cover plate is fixedly installed at the opening of the filter cavity, a water inlet pipeline communicated with the filter cavity is arranged on the cover plate, and the water inlet pipeline and the water inlet are coaxially arranged; a central shaft is fixedly arranged in the filter cavity along the axial direction of the power shaft, and the central shaft is arranged in parallel with the power shaft; a filter shell is connected in the filter cavity in a sliding manner along the axial direction of the central shaft, a filter cover is fixedly arranged at the opening of the filter shell, a sliding guide pipe which is connected in the water inlet pipeline in a sliding manner is arranged on the filter cover, and a through hole which is coaxial with the water inlet and the water inlet pipeline is arranged at the bottom of the filter shell; the central shaft extends into the filter shell and is provided with a filter disc, and the filter disc is uniformly provided with a plurality of filter element assemblies at intervals along the circumferential direction; a return spring for forcing the filter shell to move towards the cover plate is arranged in the filter cavity; the filter disc is characterized in that a track groove is formed in the inner hole side wall matched with the central shaft, and a convex column stretching into the track groove is arranged on the central shaft so as to guide the filter disc to move along the axial direction of the central shaft under the action of external force and rotate in the circumferential direction.
Through the technical scheme, this water pump is in long-time work, when taking place to block up with the filter element subassembly that the water inlet is just right, because the area of contact increase of the filter element subassembly that blocks up and water, the power increase that water produced the filter element subassembly when passing through the filter element subassembly, in addition because the filter element subassembly is installed on the filter disc, so promote the filter disc to drive the effort that the filter shell overcome reset spring and move right, when the filter disc moves right, because the cooperation of projection and track groove on the center pin, make the filter disc rotatory at the process of moving right simultaneously, the filter element subassembly that will block up is rotated away, and rotate new filter element subassembly to on the position just right with the water inlet, water inlet department changes new filter element subassembly back, the area of contact reconversion of filter element subassembly and water, reset spring promotes the filter disc and moves left and resets, the anti-blocking process of water pump has been accomplished, and form the circulation.
Furthermore, the track grooves comprise a plurality of straight grooves which are uniformly arranged along the circumferential direction of the side wall of the inner hole of the filter disc at intervals, and each straight groove is arranged along the axial direction of the central shaft; the side wall of the inner hole of the filter disc is provided with a positioning groove at the right end of each straight groove; the side wall of the inner hole of the filter disc is provided with a chute between two adjacent straight grooves, the left end of the chute is communicated with the left end of one of the straight grooves, and the right end of the chute is communicated with a positioning groove at the right end of the other straight groove; when the filter disc moves from left to right along the central shaft, the convex column enters the inclined groove from the positioning groove and is positioned at the left end of the straight groove when the filter disc moves to the right end position; when the filter disc moves from right to left along the central shaft, the convex column moves along the straight groove and is positioned in the positioning groove when the filter disc moves to the left end position.
Furthermore, the number of the filter element assemblies, the straight grooves, the positioning grooves and the inclined grooves is three.
Furthermore, the filter element component comprises a filter plate, a filter hole is formed in the filter disc, the filter plate is arranged in the filter hole, and a plurality of small filter holes are formed in the filter plate.
Furthermore, the number of the return springs is two and the return springs are symmetrically arranged on two sides of the central shaft.
Advantageous effects
Compared with the prior art, the technical scheme of the invention has the following advantages:
(1) the filter disc is pushed to move rightwards by the change of the pressure difference when the water pump filter element assembly is blocked, so that the blocked filter element assembly is replaced in a rotating mode, manual replacement is not needed in automatic replacement, and manpower is saved.
(2) The filter disc is pushed to move rightwards by the change of the pressure difference when the filter element assembly of the water pump is blocked, so that the blocked filter element assembly is rotated and replaced, the water pump cannot stop working due to the blockage of the filter element assembly, and the construction period is not influenced;
(3) a plurality of filter element assemblies are placed for automatic replacement, so that the period for cleaning the filter screen at regular intervals is prolonged, the frequency is lowered, the workload is saved, and the production is facilitated.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a left side view of the present invention;
FIG. 4 is a top view of the present invention;
FIG. 5 is a sectional view taken along line A-A of FIG. 2;
FIG. 6 is a schematic view showing the positions of the track groove and the stud in the state of FIG. 5 according to the present invention;
FIG. 7 is a sectional view taken along line B-B of FIG. 2;
FIG. 8 is a sectional view taken along line C-C of FIG. 2;
FIG. 9 is a sectional view taken along line A-A during replacement of the filter plate of FIG. 2;
FIG. 10 is a schematic view showing the positions of the track groove and the stud in the state of FIG. 9 according to the present invention;
FIG. 11 is a cross-sectional view taken in the direction C-C during replacement of the filter plate of FIG. 2;
FIG. 12 is a schematic view showing the positions of the track grooves and the studs after the replacement of the filter plate according to the present invention;
FIG. 13 is a view showing the construction of a filter disk;
FIG. 14 is a partial view of the track grooves on the side walls of the inner holes of the filter discs.
Detailed Description
Referring to fig. 1-14, an anti-blocking water pump includes a pump body 1, a pump cavity 1a is provided in the pump body 1, a pump cover 1b is fixedly installed at an opening of the pump cavity 1a, a power shaft 1c is rotatably connected in the pump cover 1b, one end of the power shaft 1c extends into the pump cavity 1a and is fixedly installed with an impeller 1d, a water inlet 12 communicated with the pump cavity 1a is provided on a side surface of the pump body 1 along an axial direction of the power shaft 1c, and a water outlet pipe 11 communicated with the pump cavity 1a is provided along a radial direction of the impeller 1 d; a filter cavity 1e is arranged on the outer side of the water inlet 12 on the side surface of the pump body 1, a cover plate 1f is fixedly installed at an opening of the filter cavity 1e, a water inlet pipeline 1g communicated with the filter cavity 1e is arranged on the cover plate 1f, and the water inlet pipeline 1g and the water inlet 12 are coaxially arranged; and a central shaft 5 is fixedly arranged in the filter cavity 1e along the axial direction of the power shaft 1c, and the central shaft 5 is arranged in parallel with the power shaft 1 c.
A filter shell 3 is connected in the filter cavity 1e in a sliding manner along the axial direction of the central shaft 5, a filter cover 4 is fixedly arranged at the opening of the filter shell 3, a slide guide pipe 41 connected in a sliding manner in the water inlet pipeline 1g is arranged on the filter cover 4, and a through hole 31 coaxial with the water inlet 12 and the water inlet pipeline 1g is arranged at the bottom of the filter shell 3; the central shaft 5 extends into the filter shell 3 and is provided with a filter disc 2, and the filter disc 2 is uniformly provided with three filter element assemblies at intervals along the circumferential direction; the filter cavity is internally provided with two return springs 6 for forcing the filter shell 3 to move towards the cover plate 1f, and the two return springs 6 are symmetrically arranged on two sides of the central shaft 5; the filter disc 2 is provided with a track groove on the inner hole side wall matched with the central shaft 5, and the central shaft 5 is provided with a convex column 5a extending into the track groove so as to guide the filter disc 2 to move along the axial direction of the central shaft 5 under the action of external force and rotate in the circumferential direction.
The track grooves comprise three straight grooves 2b uniformly arranged along the circumferential direction of the inner hole side wall of the filter disc 2 at intervals, and each straight groove 2b is arranged along the axial direction of the central shaft 5; the side wall of the inner hole of the filter disc 2 is provided with a positioning groove 2c at the right end of each straight groove 2 b; a chute 2a is arranged on the side wall of the inner hole of the filter disc 2 between two adjacent straight grooves 2b, the left end of the chute 2a is communicated with the left end of one of the straight grooves 2b, and the right end of the chute 2a is communicated with a positioning groove 2c at the right end of the other straight groove 2 b; when the filter disc 2 moves from left to right along the central shaft 5, the convex column 5a enters the inclined groove 2a from the positioning groove 2c and when the filter disc 2 moves to the right end position, the convex column 5a is positioned at the left end of the straight groove 2 b; when the filter disc 2 moves from right to left along the central shaft 5, the convex column 5a moves along the straight groove 2b and when the filter disc 2 moves to the left end position, the convex column 5a is positioned in the positioning groove 2 c.
The filter element assembly comprises a filter plate 7, a filter hole 2d is formed in the filter disc 2, the filter plate 7 is arranged in the filter hole 2d, and a plurality of small filter holes 71 are formed in the filter plate 7.
When the water pump works for a long time, when the filter plate 7 opposite to the water inlet 12 is blocked, the contact area of the blocked filter plate 7 and water is increased, the force generated by the water on the filter plate 7 when the water passes through the filter plate 7 is increased, so that the front-back pressure difference of the filter plate 7 is increased, in addition, the filter plate 7 is arranged on the filter disc 2, the filter disc 2 is pushed to drive the filter shell 3 to move rightwards by overcoming the acting force of the reset spring 6, when the filter disc 2 moves rightwards, the convex column 5a on the central shaft 5 enters the inclined groove 2a from the positioning groove 2c, so that the filter disc 2 rotates in the process of moving rightwards, the blocked filter plate 7 is rotated away, a new filter plate 7 is rotated to the position communicated with the water inlet 12, and when the filter disc 2 moves rightwards to the right end position, the convex column 5a is positioned at the left. After a new filter plate 7 is rotated from the water inlet 12, the contact area of the filter plate 7 and water is restored, the return spring 6 pushes the filter disc 2 to move leftwards to be reset, the convex column 5a moves along the straight groove 2b and is positioned in the positioning groove 2c when the filter disc 2 moves to the left end position, and the new filter plate 7 is over against the water inlet 12, so that the anti-blocking process of the water pump is completed, and circulation is formed.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (3)
1. An anti-blocking water pump comprises a pump body, wherein a pump cavity is arranged in the pump body, a pump cover is fixedly installed at an opening of the pump cavity, a power shaft is connected in the pump cover in a rotating mode, one end of the power shaft extends into the pump cavity and is fixedly provided with an impeller, a water inlet communicated with the pump cavity is formed in the side face of the pump body along the axial direction of the power shaft, and a water outlet pipeline communicated with the pump cavity is formed in the radial direction of the impeller; the water pump is characterized in that a filter cavity is arranged on the outer side of the water inlet on the side face of the pump body, a cover plate is fixedly installed at an opening of the filter cavity, a water inlet pipeline communicated with the filter cavity is arranged on the cover plate, and the water inlet pipeline and the water inlet are coaxially arranged; a central shaft is fixedly arranged in the filter cavity along the axial direction of the power shaft, and the central shaft is arranged in parallel with the power shaft; a filter shell is connected in the filter cavity in a sliding manner along the axial direction of the central shaft, a filter cover is fixedly arranged at the opening of the filter shell, a sliding guide pipe which is connected in the water inlet pipeline in a sliding manner is arranged on the filter cover, and a through hole which is coaxial with the water inlet and the water inlet pipeline is arranged at the bottom of the filter shell; the central shaft extends into the filter shell and is provided with a filter disc, and the filter disc is uniformly provided with a plurality of filter element assemblies at intervals along the circumferential direction; a return spring for forcing the filter shell to move towards the cover plate is arranged in the filter cavity; the side wall of an inner hole, matched with the central shaft, of the filter disc is provided with a track groove, and the central shaft is provided with a convex column extending into the track groove so as to guide the filter disc to axially move along the central shaft and also circumferentially rotate under the action of external force;
the track grooves comprise a plurality of straight grooves which are uniformly arranged along the circumferential direction of the side wall of the inner hole of the filter disc at intervals, and each straight groove is arranged along the axial direction of the central shaft; the side wall of the inner hole of the filter disc is provided with a positioning groove at the right end of each straight groove; the side wall of the inner hole of the filter disc is provided with a chute between two adjacent straight grooves, the left end of the chute is communicated with the left end of one of the straight grooves, and the right end of the chute is communicated with a positioning groove at the right end of the other straight groove; when the filter disc moves from left to right along the central shaft, the convex column enters the inclined groove from the positioning groove and is positioned at the left end of the straight groove when the filter disc moves to the right end position; when the filter disc moves from right to left along the central shaft, the convex column moves along the straight groove and is positioned in the positioning groove when the filter disc moves to the left end position;
the number of the filter element assemblies, the straight grooves, the positioning grooves and the inclined grooves is three.
2. The anti-clogging water pump according to claim 1, wherein the filter element assembly comprises a filter plate, the filter disc is provided with a filter hole, the filter plate is arranged in the filter hole, and the filter plate is provided with a plurality of small filter holes.
3. The anti-clogging water pump according to claim 2, wherein the number of the return springs is two and the return springs are symmetrically arranged on both sides of the central shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010466987.1A CN111594448B (en) | 2020-05-28 | 2020-05-28 | Anti-blocking water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010466987.1A CN111594448B (en) | 2020-05-28 | 2020-05-28 | Anti-blocking water pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111594448A CN111594448A (en) | 2020-08-28 |
| CN111594448B true CN111594448B (en) | 2021-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010466987.1A Active CN111594448B (en) | 2020-05-28 | 2020-05-28 | Anti-blocking water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111594448B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1410428A (en) * | 1972-02-14 | 1975-10-15 | Braun Ag | Portable ventilating appliance |
| CN201676595U (en) * | 2010-05-19 | 2010-12-22 | 安阳锦华中水处理设备有限公司 | Filter disc of rotating disc filter |
| JP2012206095A (en) * | 2011-03-30 | 2012-10-25 | Ben:Kk | Strainer |
| CN106884803A (en) * | 2017-03-27 | 2017-06-23 | 温岭市创嘉信息科技有限公司 | A kind of water pump with filtering function |
| CN209212668U (en) * | 2018-12-24 | 2019-08-06 | 夏勇 | Anti-clogging water outlet centrifugal pump |
| CN110124384A (en) * | 2019-05-19 | 2019-08-16 | 贾新奎 | A kind of sewage disposal system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7845913B2 (en) * | 2004-08-26 | 2010-12-07 | Pentair Water Pool And Spa, Inc. | Flow control |
-
2020
- 2020-05-28 CN CN202010466987.1A patent/CN111594448B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1410428A (en) * | 1972-02-14 | 1975-10-15 | Braun Ag | Portable ventilating appliance |
| CN201676595U (en) * | 2010-05-19 | 2010-12-22 | 安阳锦华中水处理设备有限公司 | Filter disc of rotating disc filter |
| JP2012206095A (en) * | 2011-03-30 | 2012-10-25 | Ben:Kk | Strainer |
| CN106884803A (en) * | 2017-03-27 | 2017-06-23 | 温岭市创嘉信息科技有限公司 | A kind of water pump with filtering function |
| CN209212668U (en) * | 2018-12-24 | 2019-08-06 | 夏勇 | Anti-clogging water outlet centrifugal pump |
| CN110124384A (en) * | 2019-05-19 | 2019-08-16 | 贾新奎 | A kind of sewage disposal system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111594448A (en) | 2020-08-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210527 Address after: 273500 No.288, Hongfa Road, Zoucheng Economic Development Zone, Jining City, Shandong Province Applicant after: SHANDONG ZHONGLIAN PUMP INDUSTRY Co.,Ltd. Address before: 710089 building 28, lanbowan, Yanliang District, Xi'an City, Shaanxi Province Applicant before: Fu Peng |
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| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Anti blocking water pump Effective date of registration: 20220421 Granted publication date: 20210615 Pledgee: Zou Cheng Branch of industrial and Commercial Bank of China Ltd. Pledgor: SHANDONG ZHONGLIAN PUMP INDUSTRY Co.,Ltd. Registration number: Y2022370000039 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |