阅读说明：本技术 一种不易堵塞的高吸程自吸污水泵 (High suction lift self-priming sewage pump not easy to block ) 是由 曹珠明 曲昌平 孙才军 于 2020-06-22 设计创作，主要内容包括：本发明公开了一种不易堵塞的高吸程自吸污水泵,设置的过滤管以及筛选座和筛网的配合使用,可以解决自吸污水泵容易堵塞的问题,通过逆止阀防止水流回流,可以有效将污水中的杂物进行过滤筛选,避免异物进入至自吸污水泵中,消除了杂物对自吸污水泵工作影响,可以有效提高自吸污水泵的吸程效果；设置的连接环、固定孔以及第一观察窗和第二观察窗的配合使用,可以解决自吸污水泵中过滤的杂物不方便观察和处理的问题；通过第一观察窗和第二观察窗观察筛网上杂物的筛选情况,将过滤管水平放置在地面上,利用净水对筛网上的杂物进行冲洗清理,便于观察对杂物的过滤情况,便于及时对杂物进行清理,消除杂物对自吸污水泵工作的影响来提高工作效率。(The invention discloses a high suction lift self-priming sewage pump which is not easy to block, the filter pipe, the screening seat and the screen are matched for use, the problem that the self-priming sewage pump is easy to block can be solved, the backflow of water flow is prevented through a check valve, impurities in sewage can be effectively filtered and screened, foreign matters are prevented from entering the self-priming sewage pump, the influence of the impurities on the work of the self-priming sewage pump is eliminated, and the suction lift effect of the self-priming sewage pump can be effectively improved; the connecting ring, the fixing hole and the first observation window and the second observation window are matched for use, so that the problem that sundries filtered in the self-suction sewage pump are inconvenient to observe and treat can be solved; the screening condition of sundries on the screen is observed through the first observation window and the second observation window, the filter pipe is horizontally placed on the ground, the sundries on the screen are washed and cleaned by utilizing purified water, the filtering condition of the sundries is convenient to observe, the sundries are convenient to clean in time, and the influence of the sundries on the work of the self-suction sewage pump is eliminated to improve the working efficiency.)

1. A high suction lift self-priming sewage pump which is not easy to block is characterized by comprising a pump body (4) and a filter pipe (8), the filter pipe (8) is positioned at one side of the pump body (4), the other side of the pump body (4) is connected with the motor (2) and the coupling (3), the coupling (3) is positioned between the motor (2) and the pump body (4), a water outlet connecting pipe (5) is arranged at the upper end of the pump body (4), a water inlet connecting pipe (6) is arranged at one side of the pump body (4) far away from the motor (2), the water inlet connecting pipe (6) is positioned between the filter pipe (8) and the pump body (4), the lower parts of the motor (2) and the pump body (4) are both connected with a supporting base (1), a first fixed seat (11) is arranged between the motor (2) and the supporting base (1), a second fixed seat (12) is arranged between the pump body (4) and the supporting base (1);

one side that pump body (4) were kept away from in filter tube (8) is provided with go-between (9) and water guide mouth (10), water guide mouth (10) are located the inside of go-between (9), the inside through connection of filter tube (8) has spliced pole (18), solid fixed ring (23) are installed to the surface of spliced pole (18) near the position in the middle, the surface of solid fixed ring (23) is connected with screening seat (24), the internally mounted of screening seat (24) has screen cloth (25).

2. The high suction lift self-priming sewage pump not prone to blockage according to claim 1, wherein a first clamping seat (19) and a second clamping seat (20) are installed at positions, close to two sides, inside of the filtering pipe (8), a first sealing gasket (21) is installed at one side, away from the filtering pipe (8), of the first clamping seat (19), a second sealing gasket (22) is installed at one side, away from the filtering pipe (8), of the second clamping seat (20), the connecting column (18) penetrates through the inside of the first clamping seat (19), the second clamping seat (20), the first sealing gasket (21) and the second sealing gasket (22), and an isolating ring (26) is connected between the connecting column (18) and the first sealing gasket (21).

3. The high suction lift self-priming sewage pump not prone to blockage according to claim 1, wherein a plurality of supporting columns (27) are connected between the screening seat (24) and the fixing ring (23), a third fixing seat (29) and a fourth fixing seat (30) are respectively installed on two sides of each supporting column (27), the supporting columns (27) are connected with the fixing ring (23) in a welded mode through the third fixing seats (29), the supporting columns (27) are fixed with the screening seat (24) in a welded mode through the fourth fixing seats (30), and a plurality of flow guide holes (28) are formed in the supporting columns (27).

4. The high suction lift self-priming sewage pump not easy to be blocked according to claim 3, wherein a plurality of said supporting columns (27) are symmetrically arranged and distributed in the interior of the screening seat (24), and said screening seat (24) is welded and fixed with the fixing ring (23) through the supporting columns (27).

5. The high suction lift self-priming sewage pump not easy to block according to claim 1, wherein a check valve (31) is installed inside the water outlet connection pipe (5), the upper end of the water inlet connection pipe (6) is connected with an inlet check valve (13), the inlet check valve (13) penetrates into the water inlet connection pipe (6), an impeller (14) is arranged inside the pump body (4), one side, close to the motor (2), of the inside of the pump body (4) is connected with a sealing ring (15), a bearing seat (16) and a pump shaft (17), the sealing ring (15) and the bearing seat (16) are both located on the outer surface of the pump shaft (17), and the sealing ring (15) is located on one side of the bearing seat (16).

6. The high suction lift self-priming sewage pump not easy to block up according to claim 1, wherein the rear end of the pump body (4) is provided with a water tank (7), the upper end of the water tank (7) is provided with a water injection valve, one side of the filter pipe (8) is embedded with a first observation window (32) and a second observation window (33), and the first observation window (32) is positioned above the second observation window (33).

7. The high suction lift self-priming sewage pump not prone to clogging according to claim 1, characterized in that the screening base (24) and the fixed ring (23) are both cylindrical, and the screening base (24) is rotated back and forth inside the filtering pipe (8) through the connection column (18).

8. The high suction lift self-priming sewage pump not easy to block up of claim 1, wherein the water inlet connection pipe (6) is fixed with the filtering pipe (8) by screw thread, and one side of the connection ring (9) far away from the pump body (4) is provided with a plurality of fixing holes.

9. The non-clogging high suction side self-priming sewage pump according to any one of claims 1-8, wherein the non-clogging high suction side self-priming sewage pump is operated by the steps of:

the method comprises the following steps: the pump body (4) is transported and installed on the ground of a water pumping area through the supporting base (1), liquid storage water is injected into the water tank (7) after the water injection valve is rotated anticlockwise, the water tank (7) is closed by rotating the water injection valve clockwise, one end of the filter pipe (8) is fixedly connected with the water inlet connecting pipe (6) through threads, the other end of the filter pipe (8) is connected with the water suction pipe through the connecting ring (9), and one end of the water suction pipe is placed in the water pumping area;

step two: the power supply is switched on to start the motor (2), water flow is extracted from a water pumping area through the water suction pipe and enters the filter pipe (8), when the water flow passes through the filter pipe (8) and moves to one side of the water inlet connecting pipe (6), the screening seat (24) filters and screens sundries in the water flow, the screen (25) filters and isolates the sundries in the water flow, and the screening condition of the sundries on the screen (25) is observed through the first observation window (32) and the second observation window (33);

step three: the water flow after screening and filtering flows into the impeller (14) through the water inlet connecting pipe (6), the water flow is conveyed into the water outlet connecting pipe (5) through the rotation of the impeller (14), the water flow is discharged through the water outlet connecting pipe (5), after water pumping is finished, the motor (2) is stopped to work, and the water flow is prevented from flowing back in the water outlet connecting pipe (5) through the rotation of the check valve (31);

step four: separating the water suction pipe from the filter pipe (8), separating the filter pipe (8) from the water inlet connecting pipe (6), horizontally placing the filter pipe (8) on the ground, and washing and cleaning impurities on the screen (25) by using purified water.

Technical Field

The invention relates to the technical field of self-priming sewage pumps, in particular to a high-suction-lift self-priming sewage pump which is not easy to block.

Background

The sewage pump belongs to one kind of centrifugal impurity pump, mainly used for conveying the urban sewage, the excrement and urine or the medium that contains solid particle such as fibre, wastepaper in the liquid, because contain the fibrous thing of easy winding or bunching in the medium conveyed, so this kind of pump is apt to block up, the pump can't work normally once being stopped up, even burn out the motor, thus cause the blowdown not smooth, bring serious influence to urban life and environmental protection, if the sewage pump is in the operation in-process, the suction lift exceeds the critical value, then the sewage pump will take place the cavitation phenomenon, the unusual vibrations appear, the noise, the flow descends, the lift descends, produce the destruction to impeller, bearing, seal assembly simultaneously.

The high suction stroke self-priming pump is suitable for pumping, circulating, discharging and the like of all chemical liquid medicines, sewage and the like containing acid and alkali corrosive components, is widely applied to the industries of electroplating, electronics, chemical engineering, leather, dyeing and finishing wastewater, waste gas and the like, has higher and higher suction stroke requirements on a sewage pump along with the development of scientific technology, and has a limited suction stroke in the past, so that the requirement of sewage treatment cannot be met.

The patent publication No. CN106638927A discloses a high suction lift automatic vacuum sewage pump system, which comprises a base, a negative pressure tank, a vacuum pump, a liquid level controller, a sewage pump and a small water tank, wherein a water inlet of the vacuum pump is connected with a water outlet of the small water tank, a gas outlet of the negative pressure tank is connected with a gas inlet of the vacuum pump, a water inlet of the negative pressure tank is positioned at the top and is connected with a water suction pipe, the other end of the water suction pipe is connected with a sewage pool, the upper part in the negative pressure tank is provided with the liquid level controller, the liquid level controller is controlled by an electronic liquid level switch and is respectively the upper end and the lower end of the liquid level switch, a water outlet at the bottom of the negative pressure tank is connected with; the invention combines the negative pressure tank, the vacuum pump, the liquid level controller and the sewage pump for use, solves the problem of limited suction distance of the traditional sewage pump, only needs one-time water injection when in use, is convenient, practical, safe and reliable, and has larger commercial value. The current high suction lift self-priming sewage pump which is not easy to block has the defects that: the self-priming sewage pump is easily blocked by sundries, so that the working efficiency of the self-priming sewage pump is influenced; the problem that the sundries filtered in the self-suction sewage pump are inconvenient to observe and treat exists.

Disclosure of Invention

The invention aims to provide a high-suction-lift self-priming sewage pump which is not easy to block, and solves the technical problems that:

how to solve the problem that the self-priming sewage pump is easy to block; on one hand, the filtering pipe, the screening seat and the screen are matched for use, so that the problem that the self-priming sewage pump is easy to block can be solved, water flow is extracted from a water pumping area through the water suction pipe and enters the filtering pipe through the water suction pipe, when the water flow passes through the filtering pipe and moves to one side of the water inlet connecting pipe, impurities in the water flow are filtered and screened by the screening seat, the impurities in the water flow are filtered and isolated by the screen, the screening seat can rotate forwards and backwards in the filtering pipe through the connecting column, the function of guiding the water flow can be achieved through the plurality of guide holes and the screen, and the blocking effect of the screening seat on the water flow can be relieved; the water flow after screening and filtering flows into the impeller through the water inlet connecting pipe, the water flow is conveyed into the water outlet connecting pipe through the rotation of the impeller, the water flow is discharged through the water outlet connecting pipe, after the water pumping is finished, the motor is stopped, and the backflow of the water flow is prevented through the check valve; the impurity in the sewage can be effectively filtered and screened, the foreign matters are prevented from entering the self-priming sewage pump, the influence of the impurity on the work of the self-priming sewage pump is eliminated, and the suction stroke effect of the self-priming sewage pump can be effectively improved;

how to solve the problem of observing and treating the filtered sundries in the self-priming sewage pump; on the other hand disclosed by the embodiment of the invention, the connecting ring, the fixing hole and the first observation window and the second observation window are matched for use, so that the problem that sundries filtered in the self-suction sewage pump are inconvenient to observe and treat can be solved; one end of the filter pipe is fixedly connected with the water inlet connecting pipe through threads, the other end of the filter pipe is connected with the water suction pipe through the connecting ring, one end of the water suction pipe is placed in a water suction area to suck water, the screening condition of sundries on the screen is observed through the first observation window and the second observation window, the water suction pipe is separated from the filter pipe after water suction is finished, the filter pipe is separated from the water inlet connecting pipe, the filter pipe is horizontally placed on the ground, the sundries on the screen are cleaned, the filtering condition of the sundries is conveniently observed, the sundries are conveniently and timely cleaned, and the influence of the sundries on the work of the self-suction sewage pump is eliminated to improve the work efficiency.

The purpose of the invention can be realized by the following technical scheme:

a high suction lift self-priming sewage pump not easy to block comprises a pump body and a filter pipe, wherein the filter pipe is positioned on one side of the pump body, the other side of the pump body is connected with a motor and a coupler, the coupler is positioned between the motor and the pump body, the upper end of the pump body is provided with a water outlet connecting pipe, one side of the pump body, which is far away from the motor, is provided with a water inlet connecting pipe, the water inlet connecting pipe is positioned between the filter pipe and the pump body, supporting bases are respectively connected below the motor and the pump body, a first fixing base is installed between the motor and the supporting bases, and a second fixing base is installed between the pump body and the supporting bases;

one side that the pump body was kept away from to the filter tube is provided with go-between and water guide mouth, the water guide mouth is located the inside of go-between, the inside through connection of filter tube has the spliced pole, the surface of spliced pole is close to the position in the middle and installs solid fixed ring, gu fixed ring's surface is connected with the screening seat, the internally mounted of screening seat has the screen cloth.

Further, the inside position that is close to both sides of filter tube installs first holder and second holder, the first sealed pad is installed to one side that the filter tube was kept away from to first holder, the sealed pad of second is installed to one side that the filter tube was kept away from to the second holder, the spliced pole all runs through in the inside that first holder, second holder, first sealed pad and second were sealed, be connected with the spacer ring between spliced pole and the first sealed pad.

Further, be connected with a plurality of support column between screening seat and the solid fixed ring, third fixing base and fourth fixing base are installed respectively to the both sides of support column, the support column passes through third fixing base and solid fixed ring welded connection, the support column passes through fourth fixing base and screening seat welded fastening, be provided with a plurality of water conservancy diversion hole on the support column.

Furthermore, a plurality of the support column is the symmetrical arrangement and distributes in the inside of screening seat, the screening seat passes through support column and solid fixed ring welded fastening.

Further, the internally mounted who goes out the water takeover has the check valve, the upper end that the water takeover was connected with the import check valve, the import check valve runs through to the inside that the water was taken over, the inside of the pump body is provided with the impeller, one side that the inside of the pump body is close to the motor is connected with sealing ring, bearing frame and pump shaft, sealing ring and bearing frame all are located the surface of pump shaft, the sealing ring is located one side of bearing frame.

Further, the water tank is installed to the rear end of the pump body, the upper end of water tank is provided with the water injection valve one side of filter tube is inlayed and is had first observation window and second observation window, first observation window is located the top of second observation window.

Further, screening seat and solid fixed ring all are cylindrically, the screening seat passes through the spliced pole and rotates around the inside of filter tube.

Furthermore, the water inlet connecting pipe is fixed with the filtering pipe through threads, and one side, far away from the pump body, of the connecting ring is provided with a plurality of fixing holes.

The high suction lift self-priming sewage pump not easy to block comprises the following working steps:

the method comprises the following steps: transporting and installing a pump body on the ground of a water pumping area through a supporting base, injecting liquid storage water into a water tank after rotating a water injection valve anticlockwise, closing the water tank by rotating the water injection valve clockwise, fixedly connecting one end of a filter pipe with a water inlet connecting pipe thread, connecting the other end of the filter pipe with a water suction pipe through a connecting ring, and placing one end of the water suction pipe in the water pumping area;

step two: switching on a power supply to start a motor, pumping water flow from a water pumping area through a water suction pipe, enabling the water flow to enter a filter pipe through the water suction pipe, filtering sundries in the water flow by a screening seat to screen when the water flow passes through the filter pipe and moves to one side of a water inlet connecting pipe, filtering and isolating the sundries in the water flow by a screen, and observing the screening condition of the sundries on the screen through a first observation window and a second observation window;

step three: the water flow after screening and filtering flows into the impeller through the water inlet connecting pipe, the water flow is conveyed into the water outlet connecting pipe through the rotation of the impeller, the water flow is discharged through the water outlet connecting pipe, after the water pumping is finished, the motor stops working, and the water flow is prevented from flowing back in the water outlet connecting pipe through the rotation of the check valve;

step four: separating the water suction pipe from the filter pipe, separating the filter pipe from the water inlet connecting pipe, horizontally placing the filter pipe on the ground, and washing and cleaning impurities on the screen by using purified water.

The invention has the beneficial effects that:

on one hand, the filtering pipe, the screening seat and the screen are matched for use, so that the problem that the self-priming sewage pump is easy to block can be solved, water flow is extracted from a water pumping area through the water suction pipe and enters the filtering pipe through the water suction pipe, when the water flow passes through the filtering pipe and moves to one side of the water inlet connecting pipe, impurities in the water flow are screened by the screening seat, the impurities in the water flow are filtered and isolated by the screen, the screening seat can rotate forwards and backwards in the filtering pipe through the connecting column, the flow can be guided through the plurality of guide holes and the screen, the blocking effect of the screening seat on the water flow can be relieved, the first sealing gasket and the second sealing gasket play a sealing effect between the connecting column and the filtering pipe, and the water flow is prevented from leaking from a gap between the connecting column and the filtering pipe; the water flow after screening and filtering flows into the impeller through the water inlet connecting pipe, the water flow is conveyed into the water outlet connecting pipe through the rotation of the impeller, the water flow is discharged through the water outlet connecting pipe, after the water pumping is finished, the motor is stopped, and the backflow of the water flow is prevented through the check valve; the impurity in the sewage can be effectively filtered and screened, the foreign matters are prevented from entering the self-priming sewage pump, the influence of the impurity on the work of the self-priming sewage pump is eliminated, and the suction stroke effect of the self-priming sewage pump can be effectively improved;

on the other hand disclosed by the embodiment of the invention, the connecting ring, the fixing hole and the first observation window and the second observation window are matched for use, so that the problem that sundries filtered in the self-suction sewage pump are inconvenient to observe and treat can be solved; one end of the filter pipe is fixedly connected with the water inlet connecting pipe through threads, the other end of the filter pipe is connected with the water suction pipe through the connecting ring, one end of the water suction pipe is placed in a water suction area to suck water, the screening condition of sundries on the screen is observed through the first observation window and the second observation window, the water suction pipe is separated from the filter pipe after water suction is finished, the filter pipe is separated from the water inlet connecting pipe, the filter pipe is horizontally placed on the ground, the sundries on the screen are cleaned, the filtering condition of the sundries is conveniently observed, the sundries are conveniently and timely cleaned, and the influence of the sundries on the work of the self-suction sewage pump is eliminated to improve the work efficiency.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a perspective view of a high suction lift self-priming sewage pump of the present invention that is not prone to clogging;

FIG. 2 is a cross-sectional structural view of the pump body of the present invention;

FIG. 3 is a cross-sectional view of a filter tube according to the present invention;

FIG. 4 is a cross-sectional view of the connection of the connecting post and the sifting seat of the present invention;

FIG. 5 is a connection structure of the supporting column with the third and fourth fixing bases.

In the figure: 1. a support base; 2. a motor; 3. a coupling; 4. a pump body; 5. a water outlet connecting pipe; 6. a water inlet connecting pipe; 7. a water tank; 8. a filter tube; 9. a connecting ring; 10. a water guide port; 11. a first fixed seat; 12. a second fixed seat; 13. an inlet check valve; 14. an impeller; 15. a seal ring; 16. a bearing seat; 17. a pump shaft; 18. connecting columns; 19. a first holder; 20. a second holder; 21. a first gasket; 22. a second gasket; 23. a fixing ring; 24. a screening seat; 25. screening a screen; 26. an isolating ring; 27. a support pillar; 28. a flow guide hole; 29. a third fixed seat; 30. a fourth fixed seat; 31. a check valve; 32. a first observation window; 33. and a second observation window.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, 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 invention.