Water pump facilitating installation of floating ball device

Abstract

The utility model belongs to the technical field of water pumps, and particularly relates to a water pump convenient for mounting a floating ball device, which comprises a shell, a driving motor is fixedly mounted in the middle of the bottom of the shell, a water pump impeller is fixedly mounted on the driving motor through a rotating shaft at the output end, and a connecting hole is formed in the middle of the top of the shell. A fixing cylinder is installed on the outer side of the connecting hole, and a movable screw cap is installed on the top of the fixing cylinder in a threaded mode. The water pump impeller is driven by the driving motor to rotate, water can be sucked into the shell through the mounting groove and then enters the fixing cylinder through the connecting hole, when the water passes through the connecting hole, the floating ball can be jacked up, the telescopic spring is compressed, and then the water is discharged through the connecting pipe; and the connecting hole is blocked by the floating ball, so that water is prevented from flowing back to the interior of the shell, and the abrasion of the water pump is favorably reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of water pumps, and in particular relates to a water pump which is convenient for installing a floating ball device. Background Art

[0002] A water pump is a machine that transports liquids or pressurizes liquids. It transfers the mechanical energy of the prime mover or other external energy to the liquid to increase the energy of the liquid. It is mainly used to transport liquids including water, oil, acid and alkali liquids, emulsions, suspensions and liquid metals. Water pumps can also transport liquids, gas mixtures and liquids containing suspended solids. The technical parameters of water pump performance include flow rate, suction head, head, shaft power, water power, efficiency, etc.; according to different working principles, it can be divided into positive displacement water pumps, vane pumps and other types.

[0003] Water pumps are widely used in daily life. When using water pumps to transport liquids, after the water pump stops working, the water in the water pipe is prone to backflow. When the water in the water pipe flows back, the impeller and seals of the water pump will be subjected to friction and impact from the reverse force, which can easily lead to wear of the impeller and seals and shorten the service life of the water pump. The problem addressed by this device is how to prevent the water in the water pipe from flowing back after the water pump stops working. Utility Model Content

[0004] In order to solve the problems raised in the above background technology, the utility model provides a water pump which is easy to install a float device, and solves the problem of how to avoid the backflow of water in the water pipe after the water pump stops working.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a water pump that is easy to install a float device, comprising a shell, a driving motor is fixedly installed in the middle of the bottom of the shell, and the driving motor is fixedly installed with a water pump impeller through a rotating shaft at the output end, a connecting hole is opened in the middle of the top of the shell, a fixing cylinder is installed on the outside of the connecting hole, a movable screw cover is threadedly installed on the top of the fixing cylinder, a telescopic rod is fixedly installed on the bottom of the movable screw cover, a float is fixedly installed on the bottom of the telescopic rod, a telescopic spring is fixedly installed on the top of the float, and the top of the telescopic spring is fixedly connected to the bottom of the movable screw cover, a connecting pipe is fixedly installed on one side of the fixing cylinder, and installation grooves are opened on the front and back of the shell, and a plurality of installation grooves are provided, and the installation grooves are linearly arranged on the front and back of the shell.

[0006] Preferably, a filter plate is installed on the outer side of the installation groove, and connecting plates are fixedly installed on both the left and right sides of the filter plate, and connecting screws are installed on the middle thread of the connecting plate.

[0007] Preferably, a connecting ring is fixedly mounted on one end of the connecting pipe, a mounting hole is opened on the surface of the connecting ring, and there are a plurality of mounting holes, which are arranged in a circle on the surface of the connecting ring.

[0008] Preferably, a mounting ring is fixedly mounted on the bottom of the fixing tube, and mounting screws are threadedly mounted on the surface of the mounting ring. A plurality of mounting screws are provided and are arranged in a circle on the surface of the mounting ring.

[0009] Preferably, a movable plate is fixedly installed in the middle of the top of the movable rotary cover, and both sides of the top of the movable plate are rounded.

[0010] Preferably, support rods are fixedly mounted around the bottom of the shell, and a support plate is fixedly mounted at the bottom end of the support rods.

[0011] Preferably, fixed handles are fixedly installed on both left and right sides of the top of the shell, and anti-slip patterns are fixedly installed on the surfaces of the fixed handles.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] By driving the water pump impeller to rotate with a driving motor, water can be sucked into the casing through the mounting groove and then enter the fixed cylinder through the connecting hole. When water passes through the connecting hole, the float can be lifted up and the telescopic spring can be compressed. The water is then discharged through the connecting pipe. When the water pump stops working, the float will rebound downward and reset under the action of the telescopic spring, and the connecting hole can be blocked with the float to prevent water from flowing back into the casing, thereby reducing the wear of the water pump. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0015] Figure 1 It is a three-dimensional structural diagram of the utility model;

[0016] Figure 2 It is an enlarged schematic diagram of the housing of the utility model;

[0017] Figure 3 It is an internal cross-sectional view of the housing of the utility model;

[0018] Figure 4 It is an internal cross-sectional view of the fixing cylinder of the utility model.

[0019] In the figure: 1. outer shell; 2. mounting screws; 3. fixing handle; 4. fixing cylinder; 5. connecting ring; 6. connecting plate; 7. driving motor; 8. supporting plate; 9. supporting rod; 10. filter plate; 11. connecting hole; 12. connecting screws; 13. mounting groove; 14. water pump impeller; 15. movable screw cover; 16. movable plate; 17. telescopic rod; 18. mounting ring; 19. floating ball; 20. telescopic spring; 21. connecting pipe; 22. mounting hole. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-4 The utility model provides the following technical solutions: a water pump for facilitating installation of a float device, comprising a shell 1, a driving motor 7 is fixedly installed in the middle of the bottom of the shell 1, a water pump impeller 14 is fixedly installed on the driving motor 7 through a rotating shaft at the output end, a connecting hole 11 is opened in the middle of the top of the shell 1, a fixing cylinder 4 is installed on the outer side of the connecting hole 11, a movable rotary cover 15 is threadedly installed on the top of the fixing cylinder 4, a telescopic rod 17 is fixedly installed on the bottom of the movable rotary cover 15, a float 19 is fixedly installed on the bottom of the telescopic rod 17, a telescopic spring 20 is fixedly installed on the top of the float 19, and the top of the telescopic spring 20 is fixedly connected to the bottom of the movable rotary cover 15, a connecting pipe 21 is fixedly installed on one side of the fixing cylinder 4, installation grooves 13 are opened on the front and back of the shell 1, and a plurality of installation grooves 13 are provided, and the installation grooves 13 are linearly arranged on the front and back of the shell 1.

[0022] The starting drive motor 7 can drive the water pump impeller 14 to rotate through the rotating shaft at the output end. The high-speed rotation of the water pump impeller 14 can be used to suck water into the interior of the housing 1 through the mounting groove 13, and then enter the interior of the fixed cylinder 4 through the connecting hole 11. When water passes through the connecting hole 11, the float 19 can be lifted up and the telescopic spring 20 can be compressed. Then the water is discharged through the connecting pipe 21. When the water pump stops working, the float 19 will rebound downward and reset under the action of the telescopic spring 20, and the connecting hole 11 will be blocked by the float 19 to prevent water from flowing back into the interior of the housing 1, which is beneficial to reducing the wear of the water pump. The connecting screws 12 can be used to conveniently fix the connecting plate 6 on the surface of the housing 1, so that the filter plate 10 can be installed on the outside of the mounting groove 13. The filter net 10 can filter out water plants and other debris in the water to avoid the problem of clogging of the water pump. The setting of the connecting ring 5 and the mounting hole 22 can facilitate the connection of the connecting pipe 21 with the external water pipe, and due to the multiple The mounting holes 22 are arranged in a circle on the surface of the connecting ring 5, which can ensure the firmness and reliability of the connection between the external water pipe and the connecting pipe 21. The setting of the support rod 9 and the support plate 8 can facilitate the horizontal placement of the device on the ground. The setting of the fixed handle 3 can facilitate the carrying of the device. The setting of the anti-slip texture can increase the friction on the surface of the fixed handle 3, so that the user is less likely to slip when holding the fixed handle 3. The setting of the mounting ring 18 and the mounting screws 2 can facilitate the installation of the fixed cylinder 4 on the top of the shell 1. Since multiple mounting screws 2 are arranged in a circle on the surface of the mounting ring 18, the firmness of the installation of the fixed cylinder 4 can be ensured. As for the setting of the movable plate 16, since the movable screw cover 15 is connected to the internal thread of the fixed cylinder 4, the movable screw cover 15 can be easily screwed through the movable plate 16 to facilitate the removal or installation of the float 19. All electrical equipment in the device is powered by an external power supply.

[0023] In one aspect of the present embodiment, the connecting screws 12 can be used to conveniently fix the connecting plate 6 to the surface of the outer shell 1, so that the filter plate 10 can be installed on the outside of the mounting groove 13, and the filter net 10 can be used to filter out aquatic plants and other debris in the water to avoid clogging of the water pump. The setting of the connecting ring 5 and the mounting hole 22 can facilitate the connection between the connecting pipe 21 and the external water pipe, and because the multiple mounting holes 22 are arranged in a circle on the surface of the connecting ring 5, the firmness and reliability of the connection between the external water pipe and the connecting pipe 21 can be guaranteed.

[0024] In one aspect of the present embodiment, the arrangement of the mounting ring 18 and the mounting screws 2 can facilitate the installation of the fixed cylinder 4 on the top of the housing 1, and since the plurality of mounting screws 2 are arranged in a circle on the surface of the mounting ring 18, the firmness of the installation of the fixed cylinder 4 can be ensured. As for the arrangement of the movable plate 16, since the movable screw cover 15 is connected to the internal thread of the fixed cylinder 4, the movable screw cover 15 can be easily screwed through the movable plate 16 to facilitate the removal or installation of the float 19.

[0025] In one aspect of the present embodiment, the arrangement of the support rod 9 and the support plate 8 can facilitate the horizontal placement of the device on the ground, and the arrangement of the fixed handle 3 can facilitate the carrying of the device, and the arrangement of the anti-slip texture can increase the friction on the surface of the fixed handle 3, so that the user is less likely to slip when holding the fixed handle 3.

[0026] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A water pump that is convenient for installing a float device, comprising a housing (1), characterized in that: A driving motor (7) is fixedly mounted in the middle of the bottom of the housing (1), and a water pump impeller (14) is fixedly mounted on the driving motor (7) via a rotating shaft at the output end. A connecting hole (11) is provided in the middle of the top of the housing (1), and a fixing cylinder (4) is installed on the outside of the connecting hole (11). A movable rotary cover (15) is threadedly mounted on the top of the fixing cylinder (4), and a telescopic rod (17) is fixedly mounted on the bottom of the movable rotary cover (15). A floating ball (19) is fixedly mounted on the bottom of the telescopic rod (17), and a telescopic spring (20) is fixedly mounted on the top of the floating ball (19), and the top end of the telescopic spring (20) is fixedly connected to the bottom of the movable rotary cover (15). A connecting pipe (21) is fixedly mounted on one side of the fixing cylinder (4). The housing (1) is provided with mounting grooves (13) on both the front and back sides, and a plurality of mounting grooves (13) are provided, and the mounting grooves (13) are linearly arranged on the front and back sides of the housing (1).

2. A water pump that is easy to install a float device according to claim 1, characterized in that: A filter plate (10) is installed on the outside of the installation groove (13), and connecting plates (6) are fixedly installed on the left and right sides of the filter plate (10), and connecting screws (12) are installed on the middle threads of the connecting plates (6).

3. A water pump that is easy to install a float device according to claim 1, characterized in that: A connecting ring (5) is fixedly mounted on one end of the connecting pipe (21), and a mounting hole (22) is provided on the surface of the connecting ring (5). A plurality of mounting holes (22) are provided, and the mounting holes (22) are arranged in a circumferential manner on the surface of the connecting ring (5).

4. A water pump that is easy to install a float device according to claim 1, characterized in that: A mounting ring (18) is fixedly mounted on the bottom of the fixing tube (4), and mounting screws (2) are threadedly mounted on the surface of the mounting ring (18). A plurality of mounting screws (2) are provided, and the mounting screws (2) are arranged in a circle on the surface of the mounting ring (18).

5. A water pump that is easy to install a float device according to claim 1, characterized in that: A movable plate (16) is fixedly mounted in the middle of the top of the movable rotary cover (15), and both sides of the top of the movable plate (16) are rounded.

6. A water pump that is easy to install a float device according to claim 1, characterized in that: Support rods (9) are fixedly mounted on all four sides of the bottom of the housing (1), and a support plate (8) is fixedly mounted on the bottom end of the support rods (9).

7. A water pump that is easy to install a float device according to claim 1, characterized in that: Fixed handles (3) are fixedly mounted on both left and right sides of the top of the housing (1), and anti-slip patterns are fixedly mounted on the surfaces of the fixed handles (3).

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