CN218522814U - Sewage pump - Google Patents

Abstract

The utility model provides a sewage pump, which comprises a pump body and a pump cover arranged at one end of the pump body, wherein the pump cover is provided with a first pipe joint and a second pipe joint; a baffle is arranged between the pump cover and the pump body, a sealing ring is arranged between the baffle and the pump cover, and a sealing element is arranged between the baffle and the end part of the motor; the utility model discloses in, separate through the baffle between the pump cover and the pump body, seal through the sealing washer between the outside of baffle and the pump cover, seal through the sealing member between baffle inboard and the pivot, can effectively seal sewage inside the cavity of pump cover, avoid sewage to see through the baffle and get into the motor, guarantee the good running state of motor.

Description

Sewage pump

Technical Field

The utility model belongs to the technical field of the water pump, concretely relates to sewage pump.

Background

The sewage pump is mainly used for pumping sewage, and is provided with a pump body and a pump cover arranged at the end part of the pump body, wherein an impeller is arranged inside the pump cover, a motor for driving the impeller to rotate is arranged inside the pump body, and the sewage pump drives the impeller to rotate through the motor to drive sewage to flow so as to pump the sewage.

The sealing performance of the motor of the sewage pump in the prior art is poor, and in the process of pumping sewage, sewage and impurities mixed in the sewage easily enter the motor, so that the normal operation of the motor is influenced, and even the motor is damaged.

Therefore, it is necessary to design a sewage pump having a good sealing performance to solve the technical problems faced at present.

Disclosure of Invention

To the deficiency that exists among the prior art, the utility model provides a sewage pump with good sealing performance.

The technical scheme of the utility model is that: the sewage pump comprises a pump body and a pump cover arranged at one end of the pump body, wherein the pump cover is provided with a first pipe joint and a second pipe joint, a motor is arranged inside the pump body, one end of the motor is provided with a shaft seat, a rotating shaft is rotatably arranged inside the shaft seat, and an impeller is assembled on the rotating shaft and positioned at the outer side of one end of the pump cover; a baffle is arranged between the pump cover and the pump body, a sealing ring is arranged between the baffle and the pump cover, and a sealing element is arranged between the baffle and the end part of the motor.

The sealing element is sleeved on the outer side of the rotating shaft, one end of the sealing element is provided with a mounting groove matched with the shaft seat, the other end of the sealing element is provided with a conical cylinder matched with the rotating shaft, and the inner side of the upper end of the conical cylinder is in contact with the outer side of the rotating shaft.

And the bottom of the baffle is provided with a pressing ring corresponding to the sealing piece.

And a convex ring corresponding to the compression ring is arranged at the top of the sealing element.

The pump cover is characterized in that a clamping groove is formed in the outer side of the baffle, the sealing ring is arranged inside the clamping groove, and steps corresponding to the sealing ring are arranged on the pump cover.

The sealing ring is an O-shaped sealing ring.

The first pipe joint and the pump cover are coaxially and fixedly arranged at the end part of the pump cover, the second pipe joint is arranged on the side surface of the pump cover, and the second pipe joint is tangent to the inner side wall of the pump cover.

The pump body and the pump cover can be detachably and fixedly connected.

The pump cover is evenly provided with first connecting holes all around, the tip of the pump body be provided with first connecting hole corresponding second connecting hole, first connecting hole with can dismantle fixed connection through the bolt between the second connecting hole.

The motor is fixed in the pump body through a bolt.

The utility model has the advantages that: the utility model discloses in, separate through the baffle between the pump cover and the pump body, seal through the sealing washer between the outside of baffle and the pump cover, seal through the sealing member between baffle inboard and the pivot, can effectively seal sewage inside the cavity of pump cover, avoid sewage to see through the baffle and get into the motor, guarantee the good running state of motor.

Drawings

Fig. 1 is a schematic structural view of the sewage pump of the present invention.

Fig. 2 isbase:Sub>A cross-sectional view taken along linebase:Sub>A-base:Sub>A of fig. 1.

Fig. 3 is a schematic view of the explosion structure of the sewage pump of the present invention.

Fig. 4 is a partially enlarged view of fig. 2 at B.

Fig. 5 is a schematic structural diagram of the sealing member of the present invention.

Detailed Description

Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. The description of the exemplary embodiments is merely illustrative and is in no way intended to limit the invention, its application, or uses. The present invention may be embodied in many different forms and is not limited to the embodiments described herein. These embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. It should be noted that: the relative arrangement of parts and steps, the composition of materials, numerical expressions and numerical values set forth in these embodiments are to be construed as merely illustrative, and not as limitative, unless specifically stated otherwise.

The use of "first," "second," and the like in the present application does not denote any order, quantity, or importance, but rather the terms "first," "second," and the like are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element preceding the word comprises the element listed after the word, and does not exclude the possibility that other elements may also be included. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

As shown in fig. 1 to 3, the sewage pump includes a pump body 1 and a pump cover 2 disposed at one end of the pump body 1, the pump cover 2 has a first pipe joint 21 and a second pipe joint 22, the pump body 1 is provided with a motor 3 inside, one end of the motor 3 has a shaft seat 32, the shaft seat 32 is rotatably provided with a rotating shaft 31 inside, and an impeller 7 is assembled at the outer side of one end of the rotating shaft 31, which is located at the pump cover 2; a baffle 4 is arranged between the pump cover 2 and the pump body 1, a sealing ring 6 is arranged between the baffle 4 and the pump cover 2, and a sealing element 5 is arranged between the baffle 4 and the end part of the motor 3; in this embodiment, separate through baffle 4 between pump cover 2 and the pump body 1, seal through sealing washer 6 between the outside of baffle 4 and the pump cover 2, seal through sealing member 5 between 4 inboards of baffle and the pivot 31, can effectively seal sewage inside the cavity of pump cover 2, avoid sewage to see through baffle 4 and get into motor 3, guarantee the good running state of motor 3.

As a specific implementation manner of the sealing element 5 in the above embodiment, as shown in fig. 4 and 5, a through hole is formed at an axis of the sealing element 5, the sealing element 5 is sleeved on the outer side of the rotating shaft 31, one end of the sealing element 5 is provided with an installation groove 53 matched with the shaft seat 32, the sealing element 5 is sleeved on the top end of the shaft seat 32 through the installation groove 53 and is tightly attached and sealed with the shaft seat 32, the other end of the sealing element 5 is provided with a tapered cylinder 52 matched with the rotating shaft 31, the diameter of the upper end of the tapered cylinder 52 is smaller, and the inner side of the upper end of the tapered cylinder 52 is tightly connected with the outer side of the rotating shaft 31 for sealing; specifically, the tapered tube 52 is integrally formed at an end portion of the sealing member 5, and the sealing member 5 is made of a rubber material.

In some embodiments, the bottom of the baffle 4 is provided with a pressing ring 41 corresponding to the sealing member 5, and the sealing member 5 is pressed and fixed on the end of the shaft seat 32 by the pressing ring 41 to ensure the sealing effect; furthermore, a convex ring 51 corresponding to the pressing ring 41 is arranged on the top of the sealing member 5, the convex ring 51 is an annular protrusion concentrically arranged at the end of the sealing member 5, and the sealing performance between the pressing ring 41 and the sealing member 5 is improved by matching the convex ring 51 and the pressing ring 41.

In some embodiments, as shown in fig. 2 and 3, a clamping groove 42 is formed on the outer side of the baffle 4, the sealing ring 6 is arranged inside the clamping groove 42, a step 23 corresponding to the sealing ring 6 is arranged on the pump cover 2, and the step 23 is tightly attached to the sealing ring 6 to seal the pump cover 2 and the pump body 1; more specifically, the seal ring 6 is an O-ring.

In some embodiments, the first pipe joint 21 is fixedly arranged at the end of the pump cover 2 coaxially with the pump cover 2, the second pipe joint 22 is arranged on the side surface of the pump cover 2, and the second pipe joint 22 is tangent to the inner side wall of the pump cover 2.

In some embodiments, the pump body 1 and the pump cover 2 are detachably and fixedly connected, so that the pump cover 2 and the pump body 1 can be detached and separated, and the interior of the pump body 1 can be conveniently cleaned and maintained; the periphery of the pump cover 2 is uniformly provided with first connecting holes 24, the end part of the pump body 1 is provided with second connecting holes 11 corresponding to the first connecting holes 24, and the first connecting holes 24 are detachably and fixedly connected with the second connecting holes 11 through bolts; specifically, an internal thread structure may be disposed inside the second connection hole 11, and a bolt is assembled inside the first connection hole 24 to connect with the second connection hole 11; four first connection holes 24 are uniformly formed around the pump cover 2.

In some embodiments, the motor 3 is fixed inside the pump body 1 by means of bolts.

Thus far, various embodiments of the present invention have been described in detail. Some details which are well known in the art have not been described in order to avoid obscuring the concepts of the present invention. Those skilled in the art can now fully appreciate how to implement the teachings disclosed herein, in view of the foregoing description.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. A sewage pump is characterized by comprising a pump body and a pump cover arranged at one end of the pump body, wherein the pump cover is provided with a first pipe joint and a second pipe joint; the pump cover with be provided with the baffle between the pump body, the baffle with be provided with the sealing washer between the pump cover, the baffle with be provided with the sealing member between the tip of motor.

2. The sewage pump of claim 1, further comprising: the sealing element is sleeved on the outer side of the rotating shaft, one end of the sealing element is provided with a mounting groove matched with the shaft seat, the other end of the sealing element is provided with a conical cylinder matched with the rotating shaft, and the inner side of the upper end of the conical cylinder is in contact with the outer side of the rotating shaft.

3. The sewage pump of claim 2, wherein: and the bottom of the baffle is provided with a pressing ring corresponding to the sealing piece.

4. The sewage pump of claim 3, further comprising: and a convex ring corresponding to the compression ring is arranged at the top of the sealing element.

5. The sewage pump of claim 1, wherein: the pump cover is characterized in that a clamping groove is formed in the outer side of the baffle, the sealing ring is arranged inside the clamping groove, and steps corresponding to the sealing ring are arranged on the pump cover.

6. The sewage pump of claim 5, wherein: the sealing ring is an O-shaped sealing ring.

7. The sewage pump of claim 1, further comprising: the first pipe joint and the pump cover are coaxially and fixedly arranged at the end part of the pump cover, the second pipe joint is arranged on the side surface of the pump cover, and the second pipe joint is tangent to the inner side wall of the pump cover.

8. The sewage pump of claim 1, further comprising: the pump body and the pump cover can be detachably and fixedly connected.

9. The sewage pump of claim 8, further comprising: the pump cover is evenly provided with first connecting holes all around, the tip of the pump body be provided with first connecting hole corresponding second connecting hole, first connecting hole with can dismantle fixed connection through the bolt between the second connecting hole.

10. The sewage pump of claim 1, further comprising: the motor is fixed in the pump body through a bolt.

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