Sewage pump with spraying structure

Abstract

The utility model provides a sewage pump with a jet structure, which comprises a pump body, a motor is fixedly connected in the pump body, a pump cavity is arranged in the pump body, an impeller is arranged in the pump cavity, a water inlet and a water outlet are arranged on the pump body, the water inlet and the water outlet are both communicated with the pump cavity, and the jet structure is arranged in the pump cavity. The motor drives the impeller to rotate, the pump body is provided with spraying holes, and the spraying holes are all communicated with the pump cavity. After the impeller rotates and sucks sewage into the pump cavity from the water inlet, one part of the sewage is guided out from the water outlet, and the other part of the sewage is guided out from the spraying hole, so that the purpose of improving practicability is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewage pump especially, relate to a sewage pump with jet structure. BACKGROUND

[0002] At present, the Chinese patent with the authorization announcement number CN204716602U discloses a sewage pump, including pump body, rotating shaft, impeller and pump cover, the one end of rotating shaft stretches to the outside of impeller and forms the shaft end axle stretch, and the outer circumferential surface of shaft end axle stretch is equipped with external thread structure;The sewage pump still includes a cover-shaped impeller nut, and the middle part of cover-shaped impeller nut is equipped with the internal thread shaft hole matched with shaft end axle stretch, when installing, cover-shaped impeller nut is screwed into on shaft end axle stretch, and shaft end axle stretch is wrapped in the internal thread shaft hole of cover-shaped impeller nut inside;The end face of the one end of cover-shaped impeller nut and impeller contact extends outward along the circumferential direction and forms impeller surrounding edge, when installing, impeller surrounding edge and impeller contact.

[0003] This sewage pump not only is favorable to the assembly and disassembly of sewage pump, avoids the phenomenon that shaft end axle stretch is corroded by sewage medium and cannot be disassembled and maintained, also is favorable to reducing cost.

[0004] But there are often more solid substances in sewage, such as sand, and solid substances often deposit at the bottom of sewage pool due to large density.This sewage pump cannot fully mix solid substances and sewage in the process of pumping sewage, and solid substances cannot be pumped along with sewage as sewage reduces, therefore, practicality is not high. INVENTION CONTENTS

[0005] Therefore, the utility model aims at providing a sewage pump with jet structure, water is led out from jet hole to impact solid substances, so that solid substances are mixed with sewage, thereby facilitating pumping solid substances, and practicality is improved.

[0006] In order to solve the above technical problem, the technical scheme of the utility model is as follows: a sewage pump with jet structure, including pump body, the pump body is fixedly connected with motor, the pump body is provided with pump cavity, the pump cavity is provided with impeller, the pump body is provided with water inlet and water outlet, the water inlet and water outlet are communicated with pump cavity, the motor drives impeller to rotate, the pump body is provided with jet hole, and the jet hole is communicated with pump cavity.

[0007] After the impeller rotates and absorbs sewage from water inlet into pump cavity, part of sewage is led out from water outlet, and another part of sewage is led out from jet hole.

[0008] The motor is started, the impeller rotates, part of sewage is guided out from the injection hole and impacts on solid substances, so that the solid substances can be uniformly mixed in the sewage, so that the sewage and the solid substances can be pumped together, and the practicability is improved.

[0009] As a preferred scheme of the utility model, the filter screen is fixedly connected to the inner wall of the pump cavity, and the filter screen is conical.

[0010] The filter screen filters the solid substances, so that the injection hole is not easily blocked, and because the filter screen is conical, the solid substances are not easily deposited on the filter screen, so that the injection hole is not easily blocked.

[0011] As a preferred scheme of the utility model, the injection hole is provided with a plurality of injection holes, and the plurality of injection holes are uniformly distributed along the axis of the impeller.

[0012] The above technical scheme improves the mixing efficiency of the solid substances and the sewage, and further improves the practicability.

[0013] As a preferred scheme of the utility model, the injection hole is provided with a plurality of injection holes, and the plurality of injection holes are uniformly distributed along the axis of the impeller.

[0014] The above technical scheme improves the mixing efficiency of the solid substances and the sewage, and further improves the practicability.

[0015] As a preferred scheme of the utility model, the injection hole is provided with a plurality of injection holes, and the plurality of injection holes are uniformly distributed along the axis of the impeller.

[0016] The bending pipe is moved towards the supporting rod, the sliding block slides towards the mounting groove when the guide slope contacts the supporting rod, the sliding block is embedded into the limiting groove by the elastic force of the elastic member when the sliding block corresponds to the limiting groove, the connection between the bending pipe and the supporting rod is realized, the operation is simple, and the sliding block contacts the inner wall of the limiting groove when the bending pipe is subjected to the pressure of water flow, so that the bending pipe is not easy to be separated from the supporting rod.

[0017] As a preferred scheme of the utility model, the bending pipe is provided with a supporting hole, the supporting hole is communicated with the inner wall of the bending pipe, and the included angle between the axis of the supporting hole and the axis of the bending pipe is 15°-30°.

[0018] The above technical scheme is realized, part of water is guided out of the supporting hole, and the mixing efficiency of solid substances and sewage is further improved.

[0019] As a preferred scheme of the utility model, the end of the bending pipe is provided with a water collecting slope.

[0020] The above technical scheme is realized, when the sewage is guided out of the bending pipe, the water flow is more concentrated through the water collecting slope, the impact force on the solid substances is improved, and the mixing efficiency of the solid substances and the sewage is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a structural schematic view of the utility model;

[0022] Figure 2 It is a position schematic view of the filter screen;

[0023] Figure 3 It is a position schematic view of the paddle;

[0024] Figure 4 It is a position schematic view of the bending pipe;

[0025] Figure 5 It is a structural schematic view of the bending pipe;

[0026] Figure 6 It is a structural schematic view of the connecting mechanism;

[0027] Figure 7 It is a cross-sectional schematic view of the bending pipe.

[0028] The drawings show that: 1, the pump body; 11, motor; 12, pump cavity; 13, impeller; 14, water inlet; 15, water outlet; 2, injection hole; 21, filter screen; 3, cross rod; 31, supporting rod; 32, paddle; 4, bending pipe; 41, water collecting slope; 5, connecting mechanism; 51, fixed pipe; 52, mounting groove; 53, limiting groove; 54, sliding block; 55, guide slope; 56, elastic member; 6, supporting hole; 7, water collecting slope. DETAILED DESCRIPTION

[0029] The specific embodiments of the utility model are further described in detail below in combination with the drawings, so that the technical scheme of the utility model is easier to understand and master.

[0030] A sewage pump with a jet structure, comprising a pump body 1, a motor 11 is fixedly connected in the pump body 1, the motor 11 is vertically arranged, a pump cavity 12 is formed in the pump body 1, an impeller 13 is arranged in the pump cavity 12, and the motor 11 drives the impeller 13 to rotate. A water inlet 14 and a water outlet 15 are formed in the pump body 1, and the water inlet 14 and the water outlet 15 are communicated with the pump cavity 12. A jet hole 2 is formed in the pump body 1, the jet hole 2 is communicated with the pump cavity 12, and the jet hole 2 is formed with three and uniformly distributed along the axis of the impeller 13. The water inlet 14 is coaxially arranged with the impeller 13.

[0031] When the motor 11 is started, the impeller 13 rotates and sucks sewage from the water inlet 14 into the pump cavity 12, part of the sewage is discharged from the water outlet 15, and the other part of the sewage is discharged from the jet hole 2.

[0032] A filter screen 21 is fixedly connected on the inner wall of the pump cavity 12, the filter screen 21 is conically arranged, and the jet hole 2 is located in the filter screen 21. The filter screen 21 is made of stainless steel, and the mesh number of the filter screen 21 is 20.

[0033] A cross rod 3 is fixedly connected in the jet hole 2, and the length direction of the cross rod 3 is arranged along the radial direction of the jet hole 2. A support rod 31 is rotatably connected on the cross rod 3, and the support rod 31 is coaxially arranged with the jet hole 2. A paddle 32 is fixedly connected on the support rod 31, and a plurality of paddles 32 are uniformly distributed along the axis of the support rod 31. The support rod 31 is connected with an elbow pipe 4 through a connecting mechanism 5. The elbow pipe 4 is fixedly connected with a water collecting slope 41 at one end close to the paddle 32, and the water collecting slope 41 extends towards the inner wall close to the jet hole 2.

[0034] The paddle 32 and the elbow pipe 4 are respectively located on both sides of the cross rod 3.

[0035] The connecting mechanism 5 comprises a fixing tube 51, a mounting groove 52, a limiting groove 53, a sliding block 54, a guide slope 55 and an elastic piece 56. The fixing tube 51 is fixedly connected to the inner wall of the elbow pipe 4, and the fixing tube 51 is coaxially arranged with the elbow pipe 4. The limiting groove 53 is arranged on the outer wall of the supporting rod 31, and the length direction of the limiting groove 53 is parallel to the length direction of the supporting rod 31. The mounting groove 52 is arranged on the inner wall of the fixing tube 51, and the cross section of the mounting groove 52 is square. The sliding block 54 is slidingly connected in the mounting groove 52. The elastic piece 56 is a spring, and the elastic piece 56 is located in the mounting groove 52 and abuts against one end of the inner wall of the mounting groove 52, and the other end of the elastic piece 56 abuts against the sliding block 54. The guide slope 55 is arranged on one end of the sliding block 54 away from the mounting groove 52, and the guide slope 55 is used for abutting against the outer wall of the supporting rod 31, and the sliding block 54 is used for being embedded in the limiting groove 53.

[0036] The elbow pipe 4 is inserted into the spray hole 2, the guide slope 55 abuts against the outer wall of the supporting rod 31, the sliding block 54 slides towards the mounting groove 52, the elbow pipe 4 continues to move towards the supporting rod 31, when the limiting groove 53 corresponds to the sliding block 54, the sliding block 54 is embedded in the limiting groove 53 by the elastic force of the elastic piece 56, and the connection between the elbow pipe 4 and the supporting rod 31 is completed.

[0037] A plurality of supporting holes 6 are arranged on the elbow pipe 4, the supporting holes 6 are communicated with the inner wall of the elbow pipe 4, and the included angle a between the axis of the supporting hole 6 and the axis of the elbow pipe 4 is 20°.

[0038] A water collecting slope 7 is arranged on the end of the elbow pipe 4, so that the cross section area of the water inlet end of the elbow pipe 4 is larger than that of the water outlet end of the elbow pipe 4, so as to improve the flow rate of the sewage from the elbow pipe 4, improve the impact force on the solid substances, and make the mixing efficiency of the solid substances and the sewage higher.

[0039] Of course, the above is only a typical example of the present application, in addition to this, the present application can have other various specific implementation manners, and the technical solutions formed by equivalent replacement or equivalent transformation all fall within the scope required to be protected by the present application.

Claims

1. A sewage pump with a jet structure, comprising a pump body (1), wherein a motor (11) is fixedly connected inside the pump body (1), a pump chamber (12) is provided inside the pump body (1), an impeller (13) is provided inside the pump chamber (12), an inlet (14) and an outlet (15) are provided on the pump body (1), both the inlet (14) and the outlet (15) are connected to the pump chamber (12), and the motor (11) drives the impeller (13) to rotate, characterized in that: The pump body (1) is provided with injection holes (2), and the injection holes (2) are all connected to the pump cavity (12); After the impeller (13) rotates and draws sewage into the pump chamber (12) from the inlet (14), part of the sewage is discharged from the outlet (15) and the other part of the sewage is discharged from the jet hole (2).

2. A sewage pump with a jet structure according to claim 1, characterized in that: A filter screen (21) is fixedly connected to the inner wall of the pump chamber (12). The filter screen (21) is cone-shaped, and the injection hole (2) is located inside the filter screen (21).

3. A sewage pump with a jet structure according to claim 1, characterized in that: The injection holes (2) are provided in multiple ways, and the multiple injection holes (2) are evenly distributed along the axis of the impeller (13).

4. A sewage pump with a jet structure according to claim 2, characterized in that: A support rod (31) is rotatably connected inside the injection hole (2). A blade (32) is fixedly connected to the support rod (31). The support rod (31) is connected to a bent pipe (4) through a connecting mechanism (5). A water-gathering inclined surface (41) is fixedly connected to one end of the bent pipe (4) near the blade (32). The water-gathering inclined surface (41) extends towards the inner wall of the injection hole (2).

5. A sewage pump with a jet structure according to claim 4, characterized in that: The connecting mechanism (5) includes a fixed tube (51), a mounting groove (52), a limiting groove (53), a slider (54), a guide slope (55), and an elastic element (56). The fixed tube (51) is fixedly connected to the inner wall of the bent tube (4). The limiting groove (53) is opened on the outer wall of the support rod (31), and the length direction of the limiting groove (53) is parallel to the length direction of the support rod (31). The mounting groove (52) is opened on the inner wall of the fixed tube (51). The slider (54) is slidably connected in the mounting groove (52). The elastic element (56) is located in the mounting groove (52) and one end abuts against the inner wall of the mounting groove (52). The other end of the elastic element (56) abuts against the slider (54). The guide slope (55) is opened at the end of the slider (54) away from the mounting groove (52). The guide slope (55) is used to abut against the outer wall of the support rod (31). The slider (54) is used to be embedded in the limiting groove (53).

6. A sewage pump with a jetting structure according to claim 4 or 5, characterized in that: The bent pipe (4) is provided with a support hole (6), which is connected to the inner wall of the bent pipe (4). The included angle between the axis of the support hole (6) and the axis of the bent pipe (4) is 15°-30°.

7. A sewage pump with a jet structure according to claim 4, characterized in that: The end of the bend (4) is provided with a water-binding inclined surface (7).

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