CN113669304A

CN113669304A - Suction head for dredge pump capable of rapidly filtering and preventing blockage

Info

Publication number: CN113669304A
Application number: CN202110849715.4A
Authority: CN
Inventors: 柳洋
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-27
Filing date: 2021-07-27
Publication date: 2021-11-19

Abstract

The invention relates to the technical field of sewage pumps, and discloses a suction head for a sewage pump, which can quickly filter and prevent blockage. This suction head for dredge pump that can rapid filtration prevent blockking up rotates through the screw rod and drives the transmission shaft and rotate, and the transmission shaft drives the worm wheel and rotates, and the worm wheel drives the cam and rotates, and the cam drives the slide bar and slides, and the rethread slide bar is used with the cooperation of filter screen to reached and to have filtered the speed with higher speed, effect that the blowdown is efficient.

Description

Suction head for dredge pump capable of rapidly filtering and preventing blockage

Technical Field

The invention relates to the technical field of sewage pumps, in particular to a suction head for a sewage pump, which can quickly filter and prevent blockage.

Background

The sewage pump is a pump product which is connected with a motor and simultaneously submerged in liquid to work, and compared with a common horizontal pump or a vertical sewage pump, the sewage pump has the advantages of compact structure, small occupied area, no problems of cavitation damage, irrigation, water diversion and the like, and particularly brings great convenience to operators in the latter point, the vibration noise is small, the temperature rise of the motor is low, and the environment is not polluted.

The suction head of the existing sewage pump simply filters sewage, so that the impeller is easily blocked by long fibrous impurities in the sewage, the sewage pump is stopped, the service life of the impeller is influenced, and the sewage discharge efficiency is also influenced.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the suction head for the sewage pump, which can quickly filter and prevent blockage, has the advantages of good filtering effect, long service life, high filtering speed acceleration, high sewage discharge efficiency and the like, and solves the problems that the existing suction head for the sewage pump can simply filter sewage, so that an impeller is easily blocked by long fibrous impurities in the sewage, the sewage pump is stopped, the service life of the impeller is influenced, and the sewage discharge efficiency is also influenced.

(II) technical scheme

In order to realize the purposes of filtering and crushing the impurities, having good filtering effect, long service life, high filtering speed acceleration and high pollution discharge efficiency, the invention provides the following technical scheme: a suction head for a dredge pump capable of quickly filtering and preventing blockage comprises a shell, wherein a crank wheel is fixedly connected to the bottom of the shell, a crank rod is movably connected to the front side of the crank wheel, a toothed rod is movably connected to the top of the crank rod, a screw rod is fixedly connected to the inner bottom of the shell, a lifting block is in threaded connection with the outer side of the screw rod, a swing rod is movably connected to the outer side of the lifting block, a sliding block is movably connected to the top of the swing rod, a guide rail is fixedly connected to the inner wall of the shell, a gear is fixedly connected to the inner portion of the sliding block, a cleaning wheel is fixedly connected to the back side of the gear, an inner wheel is fixedly connected to the inner portion of the cleaning wheel, a cleaning rod is fixedly connected to the outer side of the cleaning wheel, a scraper is sleeved on the outer side of the cleaning rod, a push rod is fixedly connected to one side of the scraper, close to the cleaning wheel, and a transmission shaft is fixedly connected to the top of the screw rod, the outside threaded connection of transmission shaft has the worm wheel, the positive fixedly connected with cam of worm wheel, the inside sliding connection of guide rail has the slide bar, the inner wall swing joint of shell has the filter screen.

Preferably, the water inlet hole is opened in the outside of shell, the great impurity of prefilter.

Preferably, the sliding connection of ratch is at the interior bottom of shell, guarantees that the ratch transmission is stable.

Preferably, the bottom of the screw is fixedly connected with a driving wheel, and the driving wheel is meshed with the rack rod, so that the rack rod can drive the screw to rotate when moving.

Preferably, the inner bottom of the guide rail is provided with a tooth groove, and the gear is meshed in the tooth groove.

Preferably, the slider is connected in the guide rail in a sliding manner, so that the slider is stable in transmission and is used for limiting the rotation of the lifting block.

Preferably, the outer side of the inner wheel is fixedly connected with a top block which is matched with a push rod for use.

Preferably, one side of the push rod close to the inner wheel is fixedly connected with a roller, and one side of the push rod far away from the inner wheel is fixedly connected with a thrust spring.

(III) advantageous effects

Compared with the prior art, the invention provides the suction head for the sewage pump, which can quickly filter and prevent blockage, and has the following beneficial effects:

1. this suction head for dredge pump that jam was prevented in ability rapid draing, it rotates to drive the crank lever to rotate through the crank wheel rotation, the crank lever drives the ratch and slides, the ratch drives the drive wheel and rotates, the drive wheel drives the screw rod and rotates, the screw rod drives the elevator and removes, the elevator drives the pendulum rod swing, the pendulum rod drives the slider and slides, the slider drives gear shifting, the gear rotates under the effect of tooth's socket, gear shifting drives cleaning wheel and rotates, cleaning wheel drives cleaning rod and rotates, cleaning rod twines debris, the push rod slides under the effect of interior wheel simultaneously, the push rod slides and drives the scraper and slide, rethread scraper uses with cleaning rod's cooperation, thereby reached and filtered impurity and kibbling effect.

2. This suction head for dredge pump that can rapid filtration prevent blockking up rotates through the screw rod and drives the transmission shaft and rotate, and the transmission shaft drives the worm wheel and rotates, and the worm wheel drives the cam and rotates, and the cam drives the slide bar and slides, and the rethread slide bar is used with the cooperation of filter screen to reached and to have filtered the speed with higher speed, effect that the blowdown is efficient.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic view of a portion of a screen constructed in accordance with the present invention;

FIG. 3 is an enlarged view of part A of FIG. 2;

FIG. 4 is a schematic view of a portion of the drive shaft of the present construction;

fig. 5 is a partial schematic view of a crank wheel of the present invention construction.

In the figure: 1. a housing; 2. a crank wheel; 3. a crank lever; 4. a rack bar; 5. a screw; 6. a lifting block; 7. a swing rod; 8. a guide rail; 9. a slider; 10. a gear; 11. a cleaning wheel; 12. an inner wheel; 13. a cleaning rod; 14. a scraper; 15. a push rod; 16. a drive shaft; 17. a worm gear; 18. a cam; 19. a slide bar; 20. and (5) filtering by using a filter screen.

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 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.

Referring to fig. 1-5, a suction head for a dredge pump capable of rapidly filtering and preventing clogging comprises a housing 1, a water inlet is arranged on the outer side of the housing 1, and large impurities are primarily filtered, a crank wheel 2 is fixedly connected to the bottom of the housing 1, a crank rod 3 is movably connected to the front side of the crank wheel 2, a rack rod 4 is movably connected to the top of the crank rod 3, the rack rod 4 is slidably connected to the inner bottom of the housing 1 to ensure stable transmission of the rack rod 4, a screw 5 is fixedly connected to the inner bottom of the housing 1, a transmission wheel is fixedly connected to the bottom of the screw 5 and is meshed with the rack rod 4, so that the screw 5 can be driven to rotate when the rack rod 4 moves, a lifting block 6 is threadedly connected to the outer side of the screw 5, a swing rod 7 is movably connected to the outer side of the lifting block 6, a slide block 9 is movably connected to the top of the swing rod 7, the slide block 9 is slidably connected to the inner part of a guide rail 8 to ensure stable transmission of the slide block 9, and is used for limiting the rotation of the lifting block 6, the inner wall of the shell 1 is fixedly connected with a guide rail 8, the inner bottom of the guide rail 8 is provided with a tooth socket, the gear 10 is meshed in the tooth socket, the inside of the sliding block 9 is fixedly connected with a gear 10, the back of the gear 10 is fixedly connected with a cleaning wheel 11, the inside of the cleaning wheel 11 is fixedly connected with an inner wheel 12, the outside of the inner wheel 12 is fixedly connected with a top block which is matched with a push rod 15 for use, the outside of the cleaning wheel 11 is fixedly connected with a cleaning rod 13, the outside of the cleaning rod 13 is sleeved with a scraper 14, one side of the scraper 14 close to the cleaning wheel 11 is fixedly connected with the push rod 15, one side of the push rod 15 close to the inner wheel 12 is fixedly connected with a roller, one side far away from the inner wheel 12 is fixedly connected with a thrust spring, the top of the screw rod 5 is fixedly connected with a transmission shaft 16, the outside of the transmission shaft 16 is in threaded connection with a worm wheel 17, and the front of the worm wheel 17 is fixedly connected with a cam 18, a slide bar 19 is connected inside the guide rail 8 in a sliding way, and a filter screen 20 is movably connected on the inner wall of the shell 1.

The working principle is that when the device is started, the sewage pump discharges sewage through a suction head, simultaneously, the crank wheel 2 is electrified and rotates, the crank wheel 2 rotates to drive the crank rod 3 to swing, the crank rod 3 drives the rack rod 4 to slide left and right, the rack rod 4 drives the transmission wheel to rotate forward and backward, the transmission wheel drives the screw rod 5 to rotate forward and backward, when the screw rod 5 rotates forward, the screw rod 5 drives the lifting block 6 to descend, the lifting block 6 descends to drive the swing rod 7 to swing, the swing rod 7 drives the slide block 9 to slide towards the screw rod 5, the slide block 9 drives the gear 10 to move towards the screw rod 5, the gear 10 rotates under the action of the tooth socket, the gear 10 rotates to drive the cleaning wheel 11 to rotate, the cleaning wheel 11 drives the cleaning rod 13 to rotate, the cleaning rod 13 winds the sundries, when the push rod 15 rotates to the ejector block position, the ejector block pushes the push rod 15 to slide towards the outer side of the cleaning wheel 11, the push rod 15 drives the scraper 14 to slide towards the direction away from the cleaning wheel 11, when the push rod 15 is away from the ejector block, thrust spring drives push rod 15 and slides to cleaning wheel 11 is inside, push rod 15 drives scraper 14 and slides to cleaning wheel 11 orientation, along with cleaning wheel 11 rotates, scraper 14 is reciprocating sliding on cleaning rod 13, scraper 14 cuts up the winding debris on cleaning rod 13, when screw rod 5 reverses, screw rod 5 drives elevator 6 and rises, elevator 6 drives slider 9 and keeps away from screw rod 5, along with screw rod 5 rotates, slider 9 drives cleaning wheel 11 reciprocating motion, it is broken comprehensively to guarantee debris, thereby prevent debris jam impeller.

The screw 5 rotates and simultaneously drives the transmission shaft 16 to rotate, the transmission shaft 16 drives the worm wheel 17 to rotate, the worm wheel 17 drives the cam 18 to rotate, the cam 18 drives the slide rod 19 to slide, the slide rod 19 slides and drives the filter screen 20 to swing, and the filter screen 20 generates vibration under the action of the elastic rope and the slide rod 19, so that the filter screen 20 is ensured to have high filtering speed, and the influence on the pollution discharge efficiency is reduced.

In conclusion, according to the suction head for the sewage pump, which can quickly filter and prevent blockage, the crank rod 3 is driven to rotate through the rotation of the crank wheel 2, the crank rod 3 drives the toothed rod 4 to slide, the toothed rod 4 drives the driving wheel to rotate, the driving wheel drives the screw rod 5 to rotate, the screw rod 5 drives the lifting block 6 to move, the lifting block 6 drives the swing rod 7 to swing, the swing rod 7 drives the sliding block 9 to slide, the sliding block 9 drives the gear 10 to move, the gear 10 rotates under the action of the tooth grooves, the gear 10 rotates to drive the cleaning wheel 11 to rotate, the cleaning wheel 11 drives the cleaning rod 13 to rotate, the cleaning rod 13 winds impurities, meanwhile, the push rod 15 slides under the action of the inner wheel 12, the push rod 15 slides to drive the scraper 14 to slide, and the scraper 14 and the cleaning rod 13 are matched for use, so that the effects of filtering and crushing impurities can be achieved. This suction head for dredge pump that can rapid filtration prevent blockking up rotates drive transmission shaft 16 through screw rod 5 and rotates, and transmission shaft 16 drives worm wheel 17 and rotates, and worm wheel 17 drives cam 18 and rotates, and cam 18 drives slide bar 19 and slides, and rethread slide bar 19 uses with filter screen 20's cooperation to reach and to filter speed with higher speed, the efficient effect of blowdown, application scope is more extensive.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a suction head for dredge pump that jam was prevented in ability rapid draing, includes shell (1), its characterized in that: the bottom of the shell (1) is fixedly connected with a crank wheel (2), the front of the crank wheel (2) is movably connected with a crank rod (3), the top of the crank rod (3) is movably connected with a toothed rod (4), the inner bottom of the shell (1) is fixedly connected with a screw rod (5), the outer side of the screw rod (5) is in threaded connection with a lifting block (6), the outer side of the lifting block (6) is movably connected with a swing rod (7), the top of the swing rod (7) is movably connected with a sliding block (9), the inner wall of the shell (1) is fixedly connected with a guide rail (8), the inner part of the sliding block (9) is fixedly connected with a gear (10), the back of the gear (10) is fixedly connected with a cleaning wheel (11), the inner part of the cleaning wheel (11) is fixedly connected with an inner wheel (12), and the outer side of the cleaning wheel (11) is fixedly connected with a cleaning rod (13), scraper (14) have been cup jointed in the outside of clean pole (13), one side fixedly connected with push rod (15) that scraper (14) are close to clean wheel (11), top fixedly connected with transmission shaft (16) of screw rod (5), the outside threaded connection of transmission shaft (16) has worm wheel (17), the positive fixedly connected with cam (18) of worm wheel (17), the inside sliding connection of guide rail (8) has slide bar (19), the inner wall swing joint of shell (1) has filter screen (20).

2. The suction head for the dredge pump capable of fast filtering and preventing blockage according to claim 1, wherein: the outer side of the shell (1) is provided with a water inlet.

3. The suction head for the dredge pump capable of fast filtering and preventing blockage according to claim 1, wherein: the toothed bar (4) is connected to the inner bottom of the shell (1) in a sliding manner.

4. The suction head for the dredge pump capable of fast filtering and preventing blockage according to claim 1, wherein: the bottom of the screw rod (5) is fixedly connected with a driving wheel, and the driving wheel is meshed with the rack rod (4).

5. The suction head for the dredge pump capable of fast filtering and preventing blockage according to claim 1, wherein: tooth grooves are formed in the inner bottom of the guide rail (8), and the gears (10) are meshed in the tooth grooves.

6. The suction head for the dredge pump capable of fast filtering and preventing blockage according to claim 1, wherein: the sliding block (9) is connected inside the guide rail (8) in a sliding mode.

7. The suction head for the dredge pump capable of fast filtering and preventing blockage according to claim 1, wherein: the outer side of the inner wheel (12) is fixedly connected with a top block.

8. The suction head for the dredge pump capable of fast filtering and preventing blockage according to claim 1, wherein: one side of the push rod (15) close to the inner wheel (12) is fixedly connected with a roller, and one side of the push rod far away from the inner wheel (12) is fixedly connected with a thrust spring.