CN210484085U

CN210484085U - Large-flow cast iron sewage pump

Info

Publication number: CN210484085U
Application number: CN201921571379.6U
Authority: CN
Inventors: 邱小明
Original assignee: Ningbo Fluent Tools Co ltd
Current assignee: Ningbo Fluent Tools Co ltd
Priority date: 2019-09-20
Filing date: 2019-09-20
Publication date: 2020-05-08
Anticipated expiration: 2029-09-20

Abstract

The utility model discloses a large-traffic cast iron sewage pump, concretely relates to sewage pump technical field, which comprises an outer shell, the fixed base that is equipped with in bottom of shell, the fixed siphon membrane that is equipped with in inside of base, one side of siphon membrane is equipped with the push rod, the tip and the siphon membrane welding of push rod, one side of push rod is equipped with the sleeve pipe, sheathed tube one side is equipped with the knee. The utility model discloses the curved bar drives the push rod and removes when rotating, the central point that drives the siphon membrane when the push rod is removed puts and removes, the siphon membrane that elastic steel material made takes place elastic deformation under the drive of push rod and is the arc plate shape, control round trip movement and can make the inside siphon action that produces of base, the impurity that will adhere to on sewage pump working part is sucked up and is released, make impurity along with the together discharge base of sewage, when this sewage pump carried cast iron sewage, impurity in the sewage is difficult for adhering to on sewage pump working part, reduce sewage pump later maintenance cost effectively.

Description

Large-flow cast iron sewage pump

Technical Field

The utility model relates to a sewage pump technical field, more specifically say, the utility model relates to a large-traffic cast iron sewage pump.

Background

The sewage pump belongs to one of centrifugal impurity pumps, is mainly used for conveying urban sewage, and as the sewage contains impurities of solid particles, a common water pump cannot be used for conveying the sewage and needs a sewage pump with strong sewage discharge capacity and high anti-blocking performance to convey the sewage;

the prior art has the following defects: when the sewage pump transmits the cast iron sewage, because a large amount of metal impurities are carried in the cast iron sewage, when the metal impurities are transmitted to the inside of the sewage pump, the metal impurities can be attached to the working parts inside the sewage pump, the sewage pump after being used needs to be manually flushed by a large amount of clear water, and the maintenance cost is high.

Therefore, it is necessary to develop a large flow cast iron sewage pump to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In order to overcome prior art's above-mentioned defect, the embodiment of the utility model provides a large-traffic cast iron sewage pump, the curved bar drives the push rod when rotating and removes, the central point that drives the siphon membrane when removing about the push rod puts the removal, the siphon membrane that elastic steel material made takes place elastic deformation under the drive of push rod and is the arc plate shape, control round trip movement and can make the inside siphoning action that produces of base, the impurity that will adhere to on sewage pump working part is sucked up and is released, make impurity along with the together discharge base of sewage, when this sewage pump carries cast iron sewage, impurity in the sewage is difficult for adhering to on sewage pump working part, reduce sewage pump later maintenance cost effectively.

In order to achieve the above object, the utility model provides a following technical scheme: a large-flow cast iron sewage pump comprises a shell, wherein a base is fixedly arranged at the bottom of the shell, a siphon membrane is fixedly arranged inside the base, a push rod is arranged on one side of the siphon membrane, the end part of the push rod is welded with the siphon membrane, a sleeve is arranged on one side of the push rod, a curved rod is arranged on one side of the sleeve, the push rod is movably connected with the curved rod through the sleeve, a motor is arranged at the top end of the curved rod, and the curved rod is in transmission connection with the motor;

a water pumping pipe is fixedly arranged at the bottom of the base and is communicated with the base, a water discharging pipe is fixedly arranged at one side of the base, the top of the shell is provided with a top cover which is detachably connected with the shell through a screw, a motor stator is arranged inside the shell, a cable is arranged on one side of the motor stator, a motor rotor is arranged at the center of the motor stator, the bottom of the motor rotor is provided with a support frame, the bottom of the support frame is provided with a sealing element, the support frame is in lap joint with the sealing element, the motor rotor penetrates through the support frame and the sealing element, the motor rotor is in clearance fit with the inner walls of the support frame and the sealing element respectively, the bottom mounting of motor rotor is equipped with the impeller, the top mounting of impeller is equipped with the holding ring, the bottom of sealing member is equipped with the constant head tank, the holding ring and the constant head tank looks adaptation.

In a preferred embodiment, the siphon membrane is made of elastic steel and has a thickness of 5 MM.

In a preferred embodiment, the curved rod is of a concave design, the sleeve is nested in the central position of the curved rod, and the curved rod is in clearance fit with the inner wall of the sleeve.

In a preferred embodiment, both ends of the curved rod are embedded in the base, the curved rod is in clearance fit with the inner wall of the base, and the other end of the push rod is welded with the sleeve.

In a preferred embodiment, a protective cover is arranged on the outer side of the motor, the protective cover is detachably connected with the base through a screw, and the motor is embedded in the protective cover.

In a preferred embodiment, the bottom of the base is provided with four supporting foot frames, and the four supporting foot frames are all welded with the base.

In a preferred embodiment, the drain pipe is of a trumpet-shaped design and is in fluid connection with the seat.

In a preferred embodiment, a ball bearing is fixedly arranged on the inner wall of the top cover, the top end of the motor rotor is embedded in the ball bearing, and the motor rotor is in interference fit with the inner annular wall of the ball bearing.

The utility model discloses a technological effect and advantage:

1. the motor drives the curved bar to rotate, the curved bar is in a concave design, the sleeve is nested in the central position of the curved bar, the curved bar can drive the push rod to move left and right when rotating, the push rod is welded with the siphon membrane, the central position of the siphon membrane is driven to move when the push rod moves left and right, the siphon membrane made of elastic steel materials is driven by the push rod to elastically deform to form an arc plate shape, the siphon action can be generated inside the base by the left and right back-and-forth movement, impurities attached to the working part of the sewage pump are sucked and pushed out, the impurities are discharged out of the base along with sewage, and compared with the existing sewage pump with high later maintenance cost, when the sewage pump conveys cast iron sewage, the impurities in the sewage are not easy to attach to the working part of the sewage pump, and the later;

2. when the impeller rotates to pump water, the positioning ring at the top of the impeller rotates in the positioning groove at the bottom of the sealing element, the rotating stability of the impeller can be kept, the flow of the sewage pump is effectively increased by the aid of the water discharge pipe in the horn-shaped design, the sealing element prevents water from entering the upper portion of the machine shell, the supporting frame supports the motor rotor, and compared with a sewage pump with small water flow, the sewage pump is large in water flow and good in operation stability.

Drawings

Fig. 1 is a longitudinal sectional view of the present invention.

Fig. 2 is a view of a usage scenario of the present invention.

Fig. 3 is an enlarged view of a portion a of fig. 1 according to the present invention.

Fig. 4 is a schematic view of a partial structure of the knee lever of the present invention.

Fig. 5 is a schematic view of a partial structure of the impeller of the present invention.

The reference signs are: the device comprises a shell 1, a base 2, a siphon membrane 3, a push rod 4, a sleeve 5, a curved rod 6, a motor 7, a protective cover 8, a water pumping pipe 9, a support foot stool 10, a water discharging pipe 11, a top cover 12, a motor stator 13, a cable 14, a motor rotor 15, a ball bearing 16, a support frame 17, a sealing element 18, an impeller 19, a positioning ring 20 and a positioning groove 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a large-traffic cast iron sewage pump as shown in fig. 1-5, including shell 1, the bottom of shell 1 is fixed and is equipped with base 2, the inside of base 2 is fixed and is equipped with siphon membrane 3, one side of siphon membrane 3 is equipped with push rod 4, the tip of push rod 4 and siphon membrane 3 welding, one side of push rod 4 is equipped with sleeve pipe 5, one side of sleeve pipe 5 is equipped with curved bar 6, push rod 4 and curved bar 6 pass through sleeve pipe 5 swing joint, the top of curved bar 6 is equipped with motor 7, curved bar 6 is connected with motor 7 transmission;

the fixed drinking-water pipe 9 that is equipped with in bottom of base 2, drinking-water pipe 9 and base 2 turn-on connection, the fixed drain pipe 11 that is equipped with in one side of base 2, the top of shell 1 is equipped with top cap 12, top cap 12 can dismantle with shell 1 through the screw and be connected, the inside of shell 1 is equipped with motor stator 13, one side of motor stator 13 is equipped with cable conductor 14, motor stator 13's central point puts and is equipped with motor rotor 15, motor rotor 15's bottom is equipped with support frame 17, support frame 17's bottom is equipped with sealing member 18, support frame 17 and sealing member 18 overlap joint, motor rotor 15 link up support frame 17 and sealing member 18, motor rotor 15 respectively with support frame 17 and sealing member 18 inner wall clearance fit, motor rotor 15's bottom mounting is equipped with impeller 19, impeller 19's top fixing is equipped with holding ring 20, a positioning groove 21 is formed at the bottom of the sealing element 18, and the positioning ring 20 is matched with the positioning groove 21;

the implementation mode is specifically as follows: the motor stator 13 is connected with a power supply to drive the motor rotor 15 to work, the motor rotor 15 drives the impeller 19 to rotate clockwise, the impeller 19 rotates to enable the interior of the base 2 to generate negative pressure, cast iron sewage is pumped in through the water pumping pipe 9, and the sewage is discharged through the water discharging pipe 11, when the sewage pump operates the working steps, the motor 7 is connected with the power supply to drive the curved rod 6 to rotate, because the curved rod 6 is in a concave design, the sleeve pipe 5 is nested in the central position of the curved rod 6, when the curved rod 6 rotates, the push rod 4 can be driven to move left and right, because the push rod 4 is welded with the siphon membrane 3, the central position of the siphon membrane 3 is driven to move when the push rod 4 moves left and right, the siphon membrane 3 made of elastic steel material is elastically deformed to be in an arc plate shape under the driving of the push rod 4, the siphon action can be generated inside, make impurity along with sewage together discharge base 2, when the sewage pump carried cast iron sewage, impurity in the sewage was difficult for on being attached to sewage pump workpiece, reduced the sewage pump later maintenance cost effectively, and when this embodiment had specifically solved sewage pump among the prior art and used, need a large amount of clear water and time to wash, problem that the maintenance cost is high.

Referring to the large-flow cast iron sewage pump shown in the attached figures 1-5 of the specification, the siphon membrane 3 is made of elastic steel and has the thickness of 5 mm;

the bent lever 6 is in a concave design, the sleeve 5 is embedded in the center of the bent lever 6, and the bent lever 6 is in clearance fit with the inner wall of the sleeve 5;

both ends of the curved rod 6 are embedded in the base 2, the curved rod 6 is in clearance fit with the inner wall of the base 2, and the other end of the push rod 4 is welded with the sleeve 5;

a protective cover 8 is arranged on the outer side of the motor 7, the protective cover 8 is detachably connected with the base 2 through a screw, and the motor 7 is embedded in the protective cover 8;

the bottom of the base 2 is provided with four support foot frames 10, and the four support foot frames 10 are all welded with the base 2;

the drain pipe 11 is in a horn-shaped design, and the drain pipe 11 is communicated and connected with the seat 2;

a ball bearing 16 is fixedly arranged on the inner wall of the top cover 12, the top end of the motor rotor 15 is embedded in the ball bearing 16, and the motor rotor 15 is in interference fit with the inner annular wall of the ball bearing 16;

the implementation mode is specifically as follows: the base 2 is horizontally placed on the ground through a supporting foot stand 10, the base 1 can be connected with a soft belt pipe through a water pumping pipe 9, then a motor 7 and a motor stator 13 are electrically connected with an external distribution box through a cable 14, the sewage pump is used, when the impeller 19 rotates to pump water, a positioning ring 20 at the top of the impeller 19 rotates in a bottom positioning groove 21 of a sealing piece 18, the rotating stability of the impeller 19 can be kept, a water discharging pipe 11 in a horn-shaped design effectively increases the flow of the sewage pump, the sealing piece 18 prevents a water body from entering the upper portion of the machine shell 1, a supporting frame 17 supports the motor rotor 15, the water flow of the sewage pump is large, the operation stability is good, and the problems of small water flow and poor stability of the sewage pump in the prior.

The utility model discloses the theory of operation:

referring to the attached drawings 1-5 of the specification, a motor 7 is connected with a power supply to drive a curved bar 6 to rotate, the curved bar 6 is in a concave design, a sleeve 5 is nested in the central position of the curved bar 6, the curved bar 6 can drive a push rod 4 to move left and right when rotating, the push rod 4 is welded with a siphon membrane 3, the central position of the siphon membrane 3 is driven to move when the push rod 4 moves left and right, the siphon membrane 3 made of an elastic steel material is elastically deformed to be in an arc plate shape under the driving of the push rod 4, and the siphon action can be generated inside a base 2 by the left and right back and forth movement to suck and push out impurities attached to a working part of a sewage;

referring to the attached

drawings

1, 2 and 4 of the specification, a water pumping pipe 9 is used as a base 1 to be connected with a soft belt pipe, a motor 7 and a motor stator 13 are electrically connected with an external distribution box through a cable 14, the sewage pump is used, when an impeller 19 rotates to pump water, a positioning ring 20 at the top of the impeller 19 rotates in a positioning groove 21 at the bottom of a sealing element 18, the rotating stability of the impeller 19 can be kept, a water discharging pipe 11 in a horn shape effectively increases the flow of the sewage pump, the sealing element 18 prevents water from entering the upper portion of a machine shell 1, and a supporting frame 17 supports a motor rotor 15.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a large-traffic cast iron sewage pump, includes shell (1), its characterized in that: the siphon film siphon device is characterized in that a base (2) is fixedly arranged at the bottom of the shell (1), a siphon film (3) is fixedly arranged inside the base (2), a push rod (4) is arranged on one side of the siphon film (3), the end part of the push rod (4) is welded with the siphon film (3), a sleeve (5) is arranged on one side of the push rod (4), a curved rod (6) is arranged on one side of the sleeve (5), the push rod (4) is movably connected with the curved rod (6) through the sleeve (5), a motor (7) is arranged at the top end of the curved rod (6), and the curved rod (6) is in transmission connection with the motor (7);

the fixed drinking-water pipe (9) that is equipped with in bottom of base (2), drinking-water pipe (9) and base (2) turn-on connection, the fixed drain pipe (11) that is equipped with in one side of base (2), the top of shell (1) is equipped with top cap (12), top cap (12) can be dismantled with shell (1) through the screw and be connected, the inside of shell (1) is equipped with motor stator (13), one side of motor stator (13) is equipped with cable conductor (14), the central point of motor stator (13) puts and is equipped with motor rotor (15), the bottom of motor rotor (15) is equipped with support frame (17), the bottom of support frame (17) is equipped with sealing member (18), support frame (17) and sealing member (18) overlap joint, motor rotor (15) link up support frame (17) and sealing member (18), motor rotor (15) respectively with support frame (17) and sealing member (18) inner wall clearance fit, the bottom mounting of motor rotor (15) is equipped with impeller (19), the fixed holding ring (20) that is equipped with in top of impeller (19), the bottom of sealing member (18) is equipped with constant head tank (21), holding ring (20) and constant head tank (21) looks adaptation.

2. The high flow cast iron sewage pump of claim 1, further comprising: the siphon membrane (3) is made of elastic steel and has the thickness of 5 mm.

3. The high flow cast iron sewage pump of claim 1, further comprising: the bent lever (6) is of a concave design, the sleeve (5) is embedded in the center of the bent lever (6), and the bent lever (6) is in clearance fit with the inner wall of the sleeve (5).

4. The high flow cast iron sewage pump of claim 1, further comprising: the both ends of curved bar (6) all imbed the setting in base (2), curved bar (6) and the inner wall clearance fit of base (2), the other end and sleeve pipe (5) welding of push rod (4).

5. The high flow cast iron sewage pump of claim 1, further comprising: the outside of motor (7) is equipped with protection casing (8), protection casing (8) can be dismantled with base (2) through the screw and be connected, motor (7) embedding sets up in protection casing (8).

6. The high flow cast iron sewage pump of claim 1, further comprising: the base is characterized in that supporting foot frames (10) are arranged at the bottom of the base (2), the number of the supporting foot frames (10) is four, and the four supporting foot frames (10) are all welded with the base (2).

7. The high flow cast iron sewage pump of claim 1, further comprising: the drain pipe (11) is in a horn-shaped design, and the drain pipe (11) is in conduction connection with the base (2).

8. The high flow cast iron sewage pump of claim 1, further comprising: the inner wall of the top cover (12) is fixedly provided with a ball bearing (16), the top end of the motor rotor (15) is embedded into the ball bearing (16), and the motor rotor (15) is in interference fit with the inner annular wall of the ball bearing (16).