Direct-current submersible pump

Abstract

The utility model discloses a direct current submersible pump which comprises a pump shell, a motor is arranged at the upper end of the pump shell, an impeller is arranged in the pump shell and fixedly connected with an output shaft of the motor, a water inlet is formed in the lower surface of the pump shell, a water outlet pipe is arranged on the side wall of the pump shell, and a water outlet pipe is arranged on the side wall of the pump shell. By arranging the pump shell, the motor, the impeller, a water inlet, a water outlet pipe and the anti-blocking mechanism, during use, firstly, the motor is fixed to the pump shell, the impeller can be driven to rotate through an output shaft of the motor, at the moment, water enters the pump shell through the water inlet, then the impeller rotates to generate centrifugal force, and the impeller is driven to rotate; the anti-blocking mechanism can prevent impurities in the water from entering the pump shell, and the phenomenon that the pump shell is blocked is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical direction of submersible pump equipment, and specifically relates to a DC submersible pump. Background Art

[0002] DC submersible pump is a widely used water treatment tool. DC submersible pump usually includes a pump body, a motor, and an impeller. The pump body is provided with a water inlet base and a water outlet. When the motor is started, it drives the impeller to rotate, driving water to enter from the water inlet of the water inlet base and then discharge from the water outlet.

[0003] The existing Chinese utility model patent with announcement number: CN219139400U discloses a DC submersible pump, which is provided with a submersible pump housing, a lifting handle fixedly connected to the outer side of the top end face of the submersible pump housing; a snap-on limiter is concentrically fixedly connected to the outer side of the bottom end face of the submersible pump housing; a filter support frame is threadedly connected to the outer side of the inside of the snap-on limiter; a water inlet base is snap-connected to the outer side of the bottom end face of the snap-on limiter; three support adjustment frames are evenly arranged and fixedly connected to the outer side of the top end face of the water inlet base; the water inlet base is quickly disassembled and installed at the bottom end of the submersible pump housing, which improves the convenience of overhauling and maintaining the motor and impeller inside the submersible pump housing, and effectively reduces the operating procedures when maintaining and overhauling the DC submersible pump.

[0004] When water enters the submersible pump, it is filtered through a filter. However, the submersible pump is used in a variety of environments. If it is used in a river, there are many impurities in the river, especially fibrous impurities or aquatic plants in the river, which can easily clog the filter, causing the submersible pump to reduce its efficiency. Utility Model Content

[0005] The utility model aims to provide a DC submersible pump for existing devices to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a DC submersible pump, comprising a pump housing, a motor is arranged at the upper end of the pump housing, an impeller is arranged inside the pump housing, the impeller is fixedly connected to the output shaft of the motor, a water inlet is arranged on the lower surface of the pump housing, a water outlet pipe is arranged on the side wall of the pump housing, and an anti-blocking mechanism is arranged on the lower surface of the impeller;

[0007] The anti-blocking mechanism includes a mounting groove, a mounting plate, a fixing bolt, a rotating rod and a cutting blade. The mounting groove is arranged on the lower surface of the impeller, the mounting plate is provided with an interior of the mounting groove, the fixing bolt passes through the mounting plate to the interior of the mounting groove, the rotating rod is arranged on the mounting plate, the cutting blade is arranged on the side wall of the rotating rod, the cutting blade is arranged at an angle, and the number of the cutting blades is several and they are arranged circumferentially.

[0008] The utility model further describes that the lower surface of the pump housing is provided with support rods, the number of the support rods is several and they are arranged circumferentially, the lower surface of the support rods is provided with a grounding plate, and the lower end area of ​​the grounding plate is larger than the upper end area.

[0009] The utility model further illustrates that an intercepting rod is arranged on the support rod, the intercepting rod is arranged in an arc shape, and the number of the intercepting rods is several and they are arranged linearly.

[0010] The utility model further describes that the pump housing is provided with filter holes inside, the filter holes penetrate the pump housing to the water outlet pipe, and the number of the filter holes is several and evenly arranged.

[0011] The utility model further describes that a handle is provided on the upper surface of the motor, and an anti-skid groove is provided on the handle. The number of the anti-skid grooves is several and they are linearly arranged.

[0012] The utility model further describes that a smooth coating for reducing friction is arranged inside the pump housing.

[0013] Compared with the prior art, the beneficial effects achieved by the utility model are: the utility model,

[0014] (1) By setting a pump casing, a motor, an impeller, a water inlet, a water outlet pipe and an anti-clogging mechanism, when in use, the motor is first fixed on the pump casing, and the output shaft of the motor can drive the impeller to rotate. At this time, water enters the interior of the pump casing through the water inlet, and then the impeller rotates to generate centrifugal force to throw the water into the water outlet pipe. The anti-clogging mechanism can prevent impurities in the water from entering the pump casing, thereby preventing the pump casing from being blocked. The anti-clogging mechanism includes an installation groove, a mounting plate, fixing bolts, a rotating rod and a cutting blade. When in use, the installation groove is first set on the lower surface of the impeller, and the mounting plate is fixed in the installation groove by fixing bolts, and then the rotating rod and the cutting blade are fixed. When the impeller rotates, it can drive the rotating rod and the cutting blade to rotate. The rotation of the cutting blade can cut impurities in the water, thereby preventing the impurities from clogging the pump casing. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] 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:

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the structure of the impeller, the lubricious coating and the pump casing provided by the embodiment of the utility model;

[0018] Figure 3 It is a structural schematic diagram of the anti-blocking mechanism provided in an embodiment of the utility model.

[0019] In the figure: 1. pump casing; 2. motor; 3. impeller; 4. water inlet; 5. water outlet pipe; 6. anti-clogging mechanism; 7. support rod; 8. grounding plate; 9. intercepting rod; 10. filter hole; 11. handle; 12. anti-slip groove; 13. smooth coating; 601. mounting groove; 602. mounting plate; 603. fixing bolt; 604. rotating rod; 605. cutting blade. DETAILED DESCRIPTION

[0020] The following is a further non-limiting detailed description of the technical solution of the utility model in conjunction with the preferred embodiments and the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-3 The utility model provides a technical solution: a DC submersible pump, comprising a pump casing 1, a motor 2 is arranged at the upper end of the pump casing 1, an impeller 3 is arranged inside the pump casing 1, the impeller 3 is fixedly connected to the output shaft of the motor 2, a water inlet 4 is arranged on the lower surface of the pump casing 1, a water outlet pipe 5 is arranged on the side wall of the pump casing 1, and an anti-blocking mechanism 6 is arranged on the lower surface of the impeller 3;

[0022] The anti-blocking mechanism 6 includes a mounting groove 601, a mounting plate 602, a fixing bolt 603, a rotating rod 604 and a cutting blade 605. The mounting groove 601 is arranged on the lower surface of the impeller 3, the mounting plate 602 is provided with an interior of the mounting groove 601, the fixing bolt 603 penetrates the mounting plate 602 to the interior of the mounting groove 601, the rotating rod 604 is arranged on the mounting plate 602, the cutting blade 605 is arranged on the side wall of the rotating rod 604, the cutting blade 605 is arranged obliquely, and the number of the cutting blades 605 is several and arranged circumferentially.

[0023] The above scheme is adopted: by setting the pump casing 1, the motor 2, the impeller 3, the water inlet 4, the water outlet pipe 5 and the anti-blocking mechanism 6, when in use, the motor 2 is first fixed on the pump casing 1, and the output shaft of the motor 2 can drive the impeller 3 to rotate. At this time, water enters the interior of the pump casing 1 through the water inlet 4, and then the impeller 3 rotates to generate centrifugal force, and the water is thrown into the water outlet pipe 5, wherein the anti-blocking mechanism 6 can prevent impurities in the water from entering the pump casing 1, and prevent the pump casing 1 from being blocked, wherein the anti-blocking mechanism 6 includes an installation groove 601, mounting plate 602, fixing bolts 603, rotating rod 604 and cutting blade 605. When in use, firstly, the mounting groove 601 is set on the lower surface of the impeller 3, and the mounting plate 602 is fixed in the mounting groove 601 by the fixing bolts 603, and then the rotating rod 604 and the cutting blade 605 are fixed. When the impeller 3 rotates, it can drive the rotating rod 604 and the cutting blade 605 to rotate. The impurities in the water can be cut by the rotation of the cutting blade 605 to prevent the impurities from clogging the pump housing 1.

[0024] refer to Figure 1 The lower surface of the pump housing 1 is provided with support rods 7, the number of the support rods 7 is several and they are arranged circumferentially, and the lower surface of the support rods 7 is provided with a grounding plate 8, and the area of ​​the lower end of the grounding plate 8 is larger than the area of ​​the upper end.

[0025] The above scheme is adopted: by setting the support rod 7 and the grounding plate 8, when in use, the support rod 7 connects the grounding plate 8 to the pump casing 1, and the grounding area of ​​the pump casing 1 is increased through the grounding plate 8, thereby improving the stability of the pump casing 1, and then the area of ​​the upper surface of the grounding plate 8 is larger than the area of ​​the lower surface, which can further improve the stability of the pump casing 1.

[0026] refer to Figure 1 An interception rod 9 is arranged on the support rod 7, and the interception rod 9 is arranged in an arc shape. The number of the interception rods 9 is several and they are arranged linearly.

[0027] The above solution is adopted: by setting an intercepting rod 9, when there are fibrous impurities or aquatic plants in the water, the intercepting rod 9 can intercept the fibrous impurities or aquatic plants, prevent the fibrous impurities or aquatic plants from entering the pump housing 1, and further prevent the fibrous impurities or aquatic plants from adhering to the cutting blade 605.

[0028] refer to Figure 2 The pump housing 1 is provided with filter holes 10 inside. The filter holes 10 penetrate the pump housing 1 to the water outlet pipe 5. The number of the filter holes 10 is several and they are evenly arranged.

[0029] The above scheme is adopted: by setting the filter hole 10, when the impurities are cut at high speed by the cutting blade 605, the impurities can be turned into small particles. At this time, the filter hole 10 can filter the small particle impurities. When the impeller 3 stops working, the small particle impurities can be discharged from the pump casing 1 through the water inlet 4.

[0030] refer to Figure 1 A handle 11 is provided on the upper surface of the motor 2, and an anti-slip groove 12 is provided on the handle 11. The number of the anti-slip grooves 12 is several and they are linearly arranged.

[0031] The above scheme is adopted: by setting the handle 11 and the anti-slip groove 12, when in use, the handle 11 can increase the fulcrum for the staff, and can improve the portability of the motor 2 and the pump housing 1, and then the anti-slip groove 12 can increase the friction between the user and the handle 11 to prevent the user from slipping out of the hand.

[0032] refer to Figure 2 The interior of the pump housing 1 is provided with a smooth coating 13 for reducing friction.

[0033] By adopting the above solution, the lubricious coating 13 can be provided, so that the friction loss between the fluid inside the pump housing 1 and the pump wall can be reduced, and the efficiency of the pump can be improved.

[0034] The working principle of this utility model:

[0035] When in use, first the motor 2 is fixed on the pump casing 1, and the output shaft of the motor 2 can drive the impeller 3 to rotate. At this time, water enters the interior of the pump casing 1 through the water inlet 4, and then the impeller 3 rotates to generate centrifugal force to throw the water into the water outlet pipe 5, and then the mounting groove 601 is set on the lower surface of the impeller 3, and the mounting plate 602 is fixed in the mounting groove 601 by the fixing bolt 603, and then the rotating rod 604 and the cutting blade 605 are fixed. When the impeller 3 rotates, it can drive the rotating rod 604 and the cutting blade 605 to rotate. The impurities in the water can be cut by the rotation of the cutting blade 605 to prevent the impurities from clogging the pump casing 1, and then the support rod 7 connects the grounding plate 8 with the pump The pump casing 1 is connected, and the grounding area of ​​the pump casing 1 is increased by the grounding plate 8, thereby improving the stability of the pump casing 1. Then the area of ​​the upper surface of the grounding plate 8 is larger than the area of ​​the lower surface, which can further improve the stability of the pump casing 1. When there are fibrous impurities or aquatic plants in the water, the intercepting rod 9 can intercept the fibrous impurities or aquatic plants to prevent the fibrous impurities or aquatic plants from entering the pump casing 1, thereby preventing the fibrous impurities or aquatic plants from adhering to the cutting blade 605. Then, after the impurities are cut at high speed by the cutting blade 605, the impurities can become small particles. At this time, the filter hole 10 can filter the small particle impurities. When the impeller 3 stops working, the small particle impurities can be discharged from the pump casing 1 through the water inlet 4.

[0036] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0037] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit them. Although the utility model is described in detail with reference to the above embodiments, a person skilled in the art should understand that the technical solutions described in the above embodiments can still be modified, or some of the technical features can be replaced by equivalents, and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. A DC submersible pump, comprising a pump housing (1), characterized in that: The upper end of the pump housing (1) is provided with a motor (2), an impeller (3) is provided inside the pump housing (1), the impeller (3) is fixedly connected to the output shaft of the motor (2), a water inlet (4) is provided on the lower surface of the pump housing (1), a water outlet pipe (5) is provided on the side wall of the pump housing (1), and an anti-blocking mechanism (6) is provided on the lower surface of the impeller (3); The anti-blocking mechanism (6) comprises a mounting groove (601), a mounting plate (602), a fixing bolt (603), a rotating rod (604) and a cutting blade (605); the mounting groove (601) is arranged on the lower surface of the impeller (3); the mounting plate (602) is provided with an interior of the mounting groove (601); the fixing bolt (603) penetrates the mounting plate (602) to the interior of the mounting groove (601); the rotating rod (604) is arranged on the mounting plate (602); the cutting blade (605) is arranged on the side wall of the rotating rod (604); the cutting blade (605) is arranged obliquely; and the number of the cutting blades (605) is several and they are arranged in a circle.

2. A DC submersible pump according to claim 1, characterized in that: The lower surface of the pump housing (1) is provided with support rods (7), the support rods (7) are in multiple numbers and are arranged circumferentially, and the lower surface of the support rods (7) is provided with a grounding plate (8), and the lower end area of ​​the grounding plate (8) is larger than the upper end area.

3. A DC submersible pump according to claim 2, characterized in that: An intercepting rod (9) is arranged on the support rod (7), the intercepting rod (9) is arranged in an arc shape, and the intercepting rods (9) are in multiple numbers and are arranged linearly.

4. A DC submersible pump according to claim 1, characterized in that: The pump housing (1) is provided with filtering holes (10) inside, and the filtering holes (10) penetrate the pump housing (1) to the water outlet pipe (5), and the filtering holes (10) are multiple and evenly arranged.

5. A DC submersible pump according to claim 1, characterized in that: The upper surface of the motor (2) is provided with a handle (11), and the handle (11) is provided with an anti-slip groove (12), and the anti-slip grooves (12) are multiple and linearly arranged.

6. A DC submersible pump according to claim 1, characterized in that: The interior of the pump housing (1) is provided with a lubricious coating (13) for reducing friction.

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