CN216851634U - Motor pre-assembly structure and pipeline pump - Google Patents

Abstract

The utility model provides a motor preassembling structure, which comprises a motor and an inner cylinder, wherein the inner wall of the inner cylinder is provided with a mounting seat, the mounting seat is provided with an embedding groove, and a motor body of the motor is embedded in the embedding groove; the end cover is provided with a bearing and is hermetically covered on the notch of the embedding groove; a rotating shaft of the motor is connected with the end cover through a bearing; the end cover and the mounting seat are both provided with water through holes. The utility model discloses utilize the inner tube to gomphosis the motor on the mount pad, connect other parts with the motor in proper order again, form the motor pre-assembly spare, utilize the disconnect-type design of inner tube and urceolus, assemble each part in the urceolus in advance and accomplish, for directly installing each part in longer urceolus, reduce the assembly degree of difficulty, improve assembly efficiency; will the utility model discloses a motor pre-assembly structure extends to the tubing pump, has the efficient characteristics of assembly equally.

Description

Motor pre-assembly structure and pipeline pump

Technical Field

The utility model relates to a liquid conveyor field, specifically speaking relates to a motor pre-assembly structure and tubing pump.

Background

The pipeline pump is a single-suction single-stage or multi-stage centrifugal pump, belongs to a vertical structure, and is named as a pipeline pump (also called a booster pump) because the inlet and the outlet of the pipeline pump are on the same straight line, have the same caliber as the inlet and the outlet, can be installed at any position of the pipeline like a section of pipeline. Because the shell of tubing pump is the tube-shape, will install parts such as motor seal circle, impeller in proper order during the assembly, because the shell inner space is long and thin, the assembly operation degree of difficulty is big, and especially when the part installation misplaces, can only with the help of the instrument during the adjustment, operating space is narrow and small, and the degree of difficulty of adjustment is big, leads to production efficiency to be lower, consequently, needs a motor pre-assembly structure and tubing pump that the assembly degree of difficulty is low, and assembly efficiency is high urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the weak point of above-mentioned conventional art, provide and need for an assembly degree of difficulty low urgently, motor pre-assembly structure that assembly efficiency is high.

The purpose of the utility model is achieved through the following technical measures: a motor preassembling structure comprises a motor and an inner cylinder, wherein a mounting seat is arranged on the inner wall of the inner cylinder, an embedding groove is formed in the mounting seat, and a motor body of the motor is embedded in the embedding groove; the end cover is provided with a bearing and is hermetically covered on the notch of the embedding groove; a rotating shaft of the motor is connected with the end cover through a bearing; the end cover and the mounting seat are both provided with water through holes.

Preferably, the inner cylinder is provided with an overflow hole, and a gap between the motor body and the bearing is communicated with the overflow hole.

Preferably, the inner cylinder is provided with a wire hole, the wire hole is communicated with the embedded groove, and the wire hole is not communicated with the water passing hole of the end cover.

Preferably, a first sealing ring is arranged between the mounting seat and the inner cylinder; second sealing rings are arranged between the end cover and the inner cylinder, and the wire holes and the overflow holes are located between the first sealing rings and the second sealing rings.

Preferably, the rotating shaft of the motor is coaxially provided with an impeller, and the impeller is positioned in the inner barrel.

The utility model also provides a pipeline pump, including motor pre-assembly structure, set up the protecgulum of inlet opening, set up the back lid and the urceolus of apopore, inside motor pre-assembly structure was located the urceolus, protecgulum and back lid were covered respectively and are fitted the urceolus both ends, and the both ends of inner tube offset with protecgulum and back lid respectively, and the inner tube is inside to communicate with each other with inlet opening and apopore respectively.

Preferably, the motor further comprises a circuit board electrically connected with the motor body, the circuit board is installed in a cavity enclosed by the inner wall of the outer cylinder, the outer wall of the inner cylinder, the front end cover and the rear end cover, and the cavity is not communicated with the interior of the inner cylinder.

Preferably, the outer cylinder has an outer cylindrical shape and the inner cylinder has a circular cylindrical shape.

Compared with the pipeline pump structure in the prior art, the motor is embedded in the mounting seat through the inner cylinder, other parts are sequentially connected with the motor to form a motor pre-assembly part, the components in the outer cylinder are pre-assembled through the separated design of the inner cylinder and the outer cylinder, the assembly difficulty is reduced and the assembly efficiency is improved compared with the mode that the components are directly mounted in the outer cylinder.

Drawings

Fig. 1 is an axial sectional view of a motor pre-assembly structure in an embodiment.

FIG. 2 is an axial cross-sectional view of a tubing pump in an embodiment.

Wherein: 101. a body; 102. a rotating shaft; 20. an inner barrel; 201. an overflow hole; 202. a wire guide hole; 30. a mounting seat; 40. An end cap; 401. a bearing; 501. a first seal ring; 502. a second seal ring; 60. An impeller; 70. a front cover; 701. a water inlet hole; 80. a rear cover; 801. a water outlet hole; 901. an outer cylinder; 902. a circuit board.

Detailed Description

Reference will now be made in detail to the present embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 2, the arrow direction in fig. 2 is the flowing direction of the liquid in the flow channel, the present embodiment provides a pipeline pump, which includes a motor pre-assembly structure, a front cover 70 provided with a water inlet 701, a rear cover 80 provided with a water outlet 801, and an outer cylinder 901, the motor pre-assembly structure is located inside the outer cylinder 901, the front cover 70 and the rear cover 80 respectively cover two ends of the outer cylinder 901, two ends of the inner cylinder 20 respectively abut against the front cover 70 and the rear cover 80, and the inside of the inner cylinder 20 is respectively communicated with the water inlet 701 and the water outlet 801. The motor preassembling structure comprises a motor and an inner cylinder 20, wherein the inner wall of the inner cylinder 20 is provided with a mounting seat 30, the mounting seat 30 is provided with an embedding groove, and a machine body 101 of the motor is embedded in the embedding groove; the end cover 40 is provided with a bearing 401, and the end cover 40 is hermetically covered on the notch of the embedding groove; the rotating shaft 102 of the motor is connected with the end cover 40 through a bearing 401; the end cover 40 and the mounting seat 30 are provided with water through holes. The inner cylinder 20 is provided with an overflow hole 201, and a gap between the motor body 101 and the bearing 401 is communicated with the overflow hole 201. The inner cylinder 20 is provided with a wire guide hole 202, the wire guide hole 202 is communicated with the embedding groove, and the wire guide hole 202 is not communicated with the water through hole of the end cover 40. A first sealing ring 501 is arranged between the mounting seat 30 and the inner barrel 20; a second sealing ring 502 is arranged between the end cover 40 and the inner barrel 20, and the wire guide hole 202 and the overflow hole 201 are positioned between the first sealing ring 501 and the second sealing ring 502. The rotating shaft 102 of the motor is coaxially provided with an impeller 60, and the impeller 60 is positioned inside the inner barrel 20.

The working principle is as follows: the body 101 of the motor is embedded in the embedding groove, the end cover 40 seals the body 101 of the motor in a space enclosed by the end cover 40 and the embedding groove, the motor is started, the rotating shaft 102 of the motor rotates to drive the impeller 60 to rotate, the rotating impeller 60 pumps external liquid such as water through the water inlet hole, the water inlet hole 701, the inner cylinder 20, the water through hole on the end cover 40, the water through hole on the mounting seat 30 and the water outlet hole 801 form a communicated flow channel, and the water flows through the flow channel under the action of the impeller 60 and is discharged from the water outlet hole 801 at the left back.

The motor, the impeller 60 and other components are assembled in advance by utilizing the shorter inner barrel 20 to form a motor pre-assembly structure, the motor pre-assembly structure is arranged inside the outer barrel 901, and the front cover 70 and the rear cover 80 are installed in place to stably clamp the motor pre-assembly structure, so that the inner barrel 20 is fixed in the outer barrel 901, the positioning and the adjustment caused when the components such as the motor are directly assembled into the outer barrel 901 are avoided, the assembly difficulty is reduced, and the assembly efficiency is improved.

When the rotating shaft 102 rotates, no matter the sealing performance of the bearing 401 is better, water in the flow channel is easy to permeate into the embedding groove through the bearing 401 due to the existence of the shearing force, the water is easy to permeate into the machine body 101 of the motor after staying in the embedding groove for a long time, the motor is damaged, and the permeated permeating water is discharged through the overflow hole 201 by arranging the overflow hole 201, so that the permeating water is prevented from staying in the embedding groove for a long time.

The first sealing ring 501 and the second sealing ring 502 isolate the flow passage inside the inner cylinder 20 from the wire guide 202 and the overflow hole 201, so that water in the flow passage is prevented from flowing into the motor through the wire guide 202 and the overflow hole 201.

The motor further comprises a circuit board 902 electrically connected with the motor body 101, wherein the circuit board 902 is installed in a cavity enclosed by the inner wall of the outer cylinder 901, the outer wall of the inner cylinder 20, the front end cover 40 and the rear end cover 40, and the cavity is not communicated with the interior of the inner cylinder 20. By forming the wire guide 202, the motor is connected to the circuit board 902 by wiring through the wire guide 202; the aperture of the wire guide 202 can be larger than the diameter of the wire, and when the motor pre-assembly structure is installed in the outer cylinder 901, the reserved wire can be hidden in the wire guide 202, so that the wire is prevented from being scratched. The circuit board 902 is disposed in the enclosed cavity to reduce the waterproof requirement of the circuit board 902, and the circuit board 902 may be disposed adjacent to the wire guides 202 to facilitate connection of the circuit board 902.

The outer cylinder 901 has an outer cylindrical shape, and the inner cylinder 20 has a circular cylindrical shape. Compared with the circular outer cylinder 901, the cavity formed by the square outer cylinder 901 and the circular inner cylinder 20 has a larger space, which is convenient for the installation of the circuit board 902.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (8)

1. A motor preassembling structure comprises a motor and an inner cylinder, and is characterized in that a mounting seat is arranged on the inner wall of the inner cylinder, an embedding groove is formed in the mounting seat, and a motor body of the motor is embedded in the embedding groove; the end cover is provided with a bearing, and the end cover is sealed and closed on the notch of the embedding groove; the rotating shaft of the motor is connected with the end cover through the bearing; the end cover with the mount pad all is equipped with the water hole of crossing.

2. The pre-assembly structure of the motor according to claim 1, wherein the inner cylinder is provided with a water overflow hole, and a gap between the motor body and the bearing is communicated with the water overflow hole.

3. The pre-assembly structure of the motor according to claim 2, wherein the inner cylinder is provided with a wire guide hole, the wire guide hole is communicated with the fitting groove, and the wire guide hole is not communicated with the water through hole of the end cover.

4. The motor preassembly structure according to claim 3, wherein a first sealing ring is arranged between the mounting seat and the inner cylinder; and second sealing rings are arranged between the end cover and the inner cylinder, and the wire hole and the overflow hole are positioned between the first sealing ring and the second sealing ring.

5. The motor preassembly structure according to claim 1, wherein a rotating shaft of the motor is coaxially provided with an impeller, and the impeller is positioned inside the inner barrel.

6. A pipeline pump, comprising the motor preassembly structure according to any one of claims 1 to 5, characterized in that the motor preassembly structure comprises a front cover provided with a water inlet, a rear cover provided with a water outlet and an outer cylinder, the motor preassembly structure is positioned in the outer cylinder, the front cover and the rear cover respectively cover two ends of the outer cylinder, two ends of the inner cylinder respectively abut against the front cover and the rear cover, and the interior of the inner cylinder is respectively communicated with the water inlet and the water outlet.

7. The tube pump according to claim 6, further comprising a circuit board electrically connected to the body of the motor, said circuit board being mounted in a chamber enclosed by the inner wall of said outer tube, the outer wall of said inner tube, the front end cap and the rear end cap, said chamber not being in communication with the interior of said inner tube.

8. The tubing pump of claim 7, wherein the outer barrel is an outer square barrel and the inner barrel is a circular barrel.

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