CN211370746U

CN211370746U - Drainage pump with self-aligning bearing

Info

Publication number: CN211370746U
Application number: CN201921696014.6U
Authority: CN
Inventors: 许鸣飞; 司洪伟
Original assignee: Jiangsu Huayang Intelligent Equipment Co ltd
Current assignee: Jiangsu Huayang Intelligent Equipment Co ltd
Priority date: 2019-10-11
Filing date: 2019-10-11
Publication date: 2020-08-28
Anticipated expiration: 2029-10-11

Abstract

The utility model relates to a drain pump with aligning bearing, including motor and pump leaf subassembly, the motor includes pivot, stator module, rotor subassembly, upper end cover and bottom end cover fixed connection respectively are in the upper portion and the lower part of stator module and rotor subassembly, still include upper bearing and lower bearing, the upper end cover has first mounting hole, the first damping ring of fixedly connected with in the first mounting hole, and the inner wall of first damping ring has first concave arc wall, upper bearing and first concave arc wall assembly, the bottom end cover has the second mounting hole, and fixedly connected with second damping ring in the second mounting hole, the inner wall of second damping ring has second concave arc wall, and lower bearing and second concave arc wall assembly, and the upper end and the upper bearing assembly of pivot, lower extreme and lower bearing assembly. The utility model discloses simple structure, it is with low costs, have the noise reduction effect, have the aligning structure moreover.

Description

Drainage pump with self-aligning bearing

Technical Field

The utility model relates to a drain pump with self-aligning bearing.

Background

The drainage pump is a pump body, and is a device which is used for driving pump blades to rotate by means of power generated by a motor so as to output water flow. If the rotating shaft is not installed in a centering way, noise is generated, the rotation of the pump blade is influenced, and the service life of the drainage pump is shortened.

Disclosure of Invention

An object of the utility model is to provide a simple structure, it is with low costs, the noise reduction has self-aligning bearing's drain pump moreover.

In order to achieve the purpose, the utility model relates to a drain pump with aligning bearing, including motor and pump leaf subassembly, the motor includes pivot, stator module, rotor subassembly, upper end cover and bottom end cover fixed connection respectively are in the upper portion and the lower part of stator module and rotor subassembly, still include upper bearing and lower bearing, the upper end cover has first mounting hole, the first shock attenuation ring of fixedly connected with in the first mounting hole, and the inner wall of first shock attenuation ring has first concave arc wall, upper bearing and first concave arc wall assembly, the bottom end cover has the second mounting hole, and fixedly connected with second shock attenuation ring in the second mounting hole, and the inner wall of second shock attenuation ring has the second concave arc wall, and lower bearing and the assembly of second concave arc wall, and the upper end and the upper bearing assembly of pivot, lower extreme and lower bearing assembly.

Preferably, the pump blade assembly comprises a pump blade, a pump cover and a support, the support is fixedly connected to the pump cover, and the pump blade is fixedly connected to the upper end of the rotating shaft and located in the pump cover.

Preferably, the pump vane assembly further comprises a water retaining ring, the pump cover is provided with an extending hole, one end of the pump vane is provided with an extending cylindrical boss, and the water retaining ring is fixedly connected to the rotating shaft and abuts against the extending cylindrical boss.

Preferably, more than one radial annular protrusion is arranged in each of the first concave arc-shaped groove of the first damping ring and the second concave arc-shaped groove of the second damping ring, and the outer surfaces of the upper bearing and the lower bearing are provided with radial annular grooves respectively matched with the radial annular protrusions.

Preferably, the inner diameter of the upper bearing and the lower bearing is 2.5-4.5 mm.

After the structure of the oil pipe is adopted, the utility model discloses because the periphery of upper bearing and lower bearing is convex arc structure, the first concave arc groove assembly of the first damping ring of upper bearing and upper end cover, and the second concave arc groove assembly of the second damping ring of lower bearing and lower end cover. Therefore, if the rotating shaft is in a non-centering state in the using process, the rotating shaft needs to be centered, the centering state of the rotating shaft can be finely adjusted only by rotating the lower bearing or the upper bearing anticlockwise or clockwise, the centering operation is performed, the structure is simple, the cost is low, and the noise is reduced.

Drawings

FIG. 1 is a sectional view of the structure of the present invention;

fig. 2 is a schematic view of the second cushion ring of fig. 1 assembled with the lower bearing.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments, which are illustrated in the accompanying drawings.

Referring to fig. 1, a drain pump with a self-aligning bearing includes a motor 10 and a pump blade assembly 20, the motor 10 includes a rotating shaft 11, a stator assembly 12, a rotor assembly 13, an upper end cover 14 and a lower end cover 15, the upper end cover 14 and the lower end cover 15 are fixedly connected to the upper portion and the lower portion of the stator assembly 12 and the rotor assembly 13, respectively, and further includes an upper bearing 1 and a lower bearing 2, the upper end cover 14 has a first mounting hole 141, a first damping ring 30 is fixedly connected to the first mounting hole 141, the inner wall of the first damping ring 30 has a first concave arc-shaped groove 142, the upper bearing 1 is assembled with the first concave arc-shaped groove 142, the lower end cover 15 has a second mounting hole 151, a second damping ring 40 is fixedly connected to the second mounting hole 151, the inner wall of the second damping ring 40 has a second concave arc-shaped groove 152, the lower bearing 2 is assembled with the second concave arc-shaped groove 152, and the upper end of the rotating shaft 11 is assembled, the lower end is assembled with the lower bearing 2.

Referring to fig. 1, the vane assembly 20 includes a vane 21, a pump cover 22 and a bracket 23, the bracket 23 is fixedly connected to the pump cover 22 to form a liquid movement cavity for accommodating the vane 21, and the vane 21 is fixedly connected to the upper end of the rotating shaft 11 and is located in the pump cover 22. The pump cover 22 is provided with a liquid inlet hole and a liquid outlet hole.

Referring to fig. 1, the vane assembly 20 further includes a water retaining ring 24, the pump cover 22 has an extending hole 221, one end of the vane 21 has an extending cylindrical boss 212, and the water retaining ring 24 is fixedly connected to the rotating shaft 11 and abuts against the extending cylindrical boss 212. The cylindrical boss 212 can make the pump vane 21 firmly installed, and the water retaining ring 24 can block the liquid in the pump cover 22 from seeping out.

Referring to fig. 2, more than one radial annular protrusion is disposed in each of the first concave arc-shaped groove 142 of the first damping ring 30 and the second concave arc-shaped groove 152 of the second damping ring 40, and the outer surfaces of the upper bearing 1 and the lower bearing 2 have radial annular grooves respectively matched with the radial annular protrusions. In the use, when the rolling bearing is required to be aligned, the radial annular bulge is matched with the corresponding radial annular groove, and the bearing cannot reset after adjustment.

Referring to fig. 1, the inner diameters of the upper bearing 1 and the lower bearing 2 are 2.5-4.5 mm. The tight fit is performed in accordance with the diameter of the rotating shaft 11.

The utility model discloses a rotor subassembly 13 is installed in stator module 12, and pivot 11 is installed on rotor subassembly 13 to fix through upper end cover 14 and lower end cover 15 and form wholly. When the rotating shaft 11 rotates, the pump vane 21 is driven to rotate at the same time, water flow is thrown out from the water inlet hole of the pump cover 22 and flows out from the water outlet hole. The surface of upper bearing 1 and lower bearing 2 is convex arc face, the assembly of first concave arc groove 142 of first shock-absorbing ring 30 of upper bearing 1 and upper end cover 14, the assembly of second concave arc groove 152 of second shock-absorbing ring 40 of lower bearing 2 and lower end cover 15, this cooperation is interference fit, make upper bearing 1 and lower bearing 2 have can clockwise or anticlockwise rotation in corresponding arc inslot, to the aligning process of countershaft 11, also as long as radial rotation upper bearing 1 or lower bearing 2 can, this aligning is the fine setting, join in marriage the in-process and play the additional action in changeing. And the first and

second damping rings

30 and 40 are made of plastic, which has a certain noise reduction effect.

The upper bearing 1 and the lower bearing 2 can be plastic bearings or oil-retaining bearings, and the upper end cover 14 and the lower end cover 15 can be cast aluminum end covers or plastic end covers.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and improvements can be made without departing from the inventive concept, and all of them belong to the protection scope of the present invention.

Claims

1. The utility model provides a drain pump with self-aligning bearing, includes motor (10) and pump impeller subassembly (20), and motor (10) are including pivot (11), stator module (12), rotor subassembly (13), upper end cap (14) and bottom end cover (15) fixed connection respectively are in the upper portion and the lower part of stator module (12) and rotor subassembly (13), its characterized in that: still include upper bearing (1) and lower bearing (2), upper end cover (14) have first mounting hole (141), the first shock attenuation ring (30) of fixedly connected with in first mounting hole (141), and the inner wall of first shock attenuation ring (30) has first concave arc wall (142), upper bearing (1) and first concave arc wall (142) assembly, lower end cover (15) have second mounting hole (151), fixedly connected with second shock attenuation ring (40) in second mounting hole (151), the inner wall of second shock attenuation ring (40) has second concave arc wall (152), lower bearing (2) and second concave arc wall (152) assembly, and the upper end and the upper bearing (1) assembly of pivot (11), the lower extreme and lower bearing (2) assembly.

2. A drain pump with self-aligning bearing according to claim 1, wherein: pump impeller subassembly (20) are including pump impeller (21), pump cover (22) and support (23), and support (23) fixed connection is on pump cover (22), and pump impeller (21) fixed connection is in the upper end of pivot (11) to be located pump cover (22).

3. A drain pump with self-aligning bearing according to claim 2, wherein: the pump blade assembly (20) further comprises a water retaining ring (24), the pump cover (22) is provided with an extending hole (221), one end of the pump blade (21) is provided with an extending cylindrical boss (212), and the water retaining ring (24) is fixedly connected to the rotating shaft (11) and is abutted to the extending cylindrical boss (212).

4. A drain pump with self-aligning bearing according to claim 1, wherein: more than one radial annular bulge is arranged in each of the first concave arc-shaped groove (142) of the first damping ring (30) and the second concave arc-shaped groove (152) of the second damping ring (40), and the outer surfaces of the upper bearing (1) and the lower bearing (2) are provided with radial annular grooves matched with the radial annular bulges respectively.

5. A drain pump with self-aligning bearing according to claim 1, wherein: the inner diameters of the upper bearing (1) and the lower bearing (2) are 2.5-4.5 mm.