CN213093975U

CN213093975U - Supporting device for motor rotor of refrigeration compressor

Info

Publication number: CN213093975U
Application number: CN202021839144.3U
Authority: CN
Inventors: 周园
Original assignee: Taixing Sutai Precision Machinery Casting Co ltd
Current assignee: Taixing Sutai Precision Machinery Casting Co ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-04-30
Anticipated expiration: 2030-08-28

Abstract

The utility model discloses a supporting arrangement of refrigeration compressor motor rotor, including motor support and rotor, the fixed batch oil tank that is provided with on the inside wall of motor support, the bottom both sides of batch oil tank all are provided with the liquid outlet, liquid outlet department sealing connection has first oil pipeline, the one end of first oil pipeline is connected with second oil pipeline through the arc connecting piece, the inside slip of second oil pipeline is provided with the piston, the fixed threaded rod that is provided with in upper end of piston, one of them the upper end threaded connection of threaded rod has first sprocket, the fixed first conical gear that is provided with in upper end of first sprocket, the meshing of upper end one side of first conical gear is connected with second conical gear, first sprocket is connected with the second sprocket through belt transmission. The utility model discloses need not dismantle motor casing and add lubricating oil, it is simple and convenient.

Description

Supporting device for motor rotor of refrigeration compressor

Technical Field

The utility model relates to the technical field of motors, specifically be a supporting arrangement of compressor motor rotor.

Background

The rotor of the electrical machine is also a rotating part in the electrical machine. The motor consists of a rotor and a stator, and is a conversion device for realizing electric energy and mechanical energy and electric energy. And the refrigeration compressor needs to use a motor to drive the equipment to operate in the using process.

At present, a plurality of outer rotor motors in the market use an oil-containing bearing to support a rotor, if the oil content of the oil-containing bearing is low, the oil-containing bearing cannot provide continuous lubrication for a rotating shaft after being worn or the stored oil is consumed in the using process, and finally the bearing is seriously worn. The existing electronic rotor supporting device of the refrigeration compressor is inconvenient to add lubricating oil to the bearing inside the rotor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a supporting arrangement of refrigeration compressor motor rotor to solve the problem that proposes among the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: a supporting device for a motor rotor of a refrigeration compressor comprises a motor support and a rotor, wherein the rotor is rotatably arranged on one side of the motor support, a rotating shaft is fixedly arranged on one side, close to the motor support, of the rotor, an oil-containing bearing is arranged inside the motor support, the rotating shaft is rotatably arranged in the oil-containing bearing in a penetrating manner, an oil storage tank is fixedly arranged on the inner side wall of the motor support, liquid outlets are formed in two sides of the bottom end of the oil storage tank, a first oil pipeline is hermetically connected to the liquid outlets, one end of the first oil pipeline is connected with a second oil pipeline through an arc-shaped connecting piece, one end of the second oil pipeline is communicated with a cavity, containing the bearing, in the motor support, a piston is slidably arranged in the second oil pipeline, a threaded rod is fixedly arranged at the upper end of the piston, and the upper end of the threaded, one of them the upper end threaded connection of threaded rod has first sprocket, the fixed first conical gear that is provided with in upper end of first sprocket, the meshing of upper end one side of first conical gear is connected with second conical gear, the fixed connecting rod that is provided with in outside intermediate position of second conical gear, first sprocket is connected with the second sprocket through belt transmission, second sprocket screw thread sets up on another threaded rod, the inside inboard that is located two oil bearings of motor support all is provided with the cushion ring.

Furthermore, the lateral wall of piston and the inside wall phase-match of second oil pipeline, first oil pipeline, arc connecting piece and second oil pipeline all set up inside the lateral wall of motor support.

Furthermore, the bottom of first sprocket and second sprocket all is provided with support piece, the bottom of first sprocket and second sprocket all is provided with the ring channel, support piece's top slides and sets up in the ring channel.

Furthermore, one end of the connecting rod penetrates through the side walls of the motor bracket and the motor shell and is fixedly connected with a knob arranged at the outer end of the motor shell.

Further, the inboard interval of buffering ring is even is provided with a plurality of buffer spring, one side that arc connecting piece was kept away from to buffer spring all fixes the setting on the buffer board, one side that buffer spring was kept away from to the buffer board all is provided with the ball.

Furthermore, the pivot rotates the intermediate position that sets up at a plurality of buffer boards, every the outside of buffer board all is provided with two buffer spring.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is:

1. the utility model discloses a through being provided with batch oil tank, oil pipeline, piston, threaded rod, sprocket, gear and connecting rod, when needing to add lubricating oil to the oiliness bearing, through twisting the knob that moves motor casing outer end and drive connecting rod and gear revolve, can make the sprocket rotate during the gear revolve, make the threaded rod drive the piston and remove in the oil pipeline, thereby make the lubricating oil in the batch oil tank flow into oiliness bearing department, do not need to dismantle motor casing and add lubricating oil, it is simple and convenient;

2. the utility model discloses a be provided with buffering ring, buffer spring, buffer board and ball, pivot and the inboard buffer board contactless of buffering ring during the usual use, when the motor operation in-process takes place vibrations, the inboard buffer board of buffering ring is touched easily in the pivot, and the rotation of the convenient pivot of inboard ball of buffer board, buffer spring can cushion the motor vibrations for equipment operation is more stable.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the bottom end surface structure of the first sprocket of the present invention;

FIG. 4 is a schematic side view of the cushion ring of the present invention;

in the figure: 1, a motor bracket; 2, a rotor; 3, rotating a shaft; 4 an oil-retaining bearing; 5 an oil storage tank; 6 a first oil transport pipeline; 7, an arc-shaped connecting piece; 8 a second oil conveying pipeline; 9 a piston; 10 a threaded rod; 11 a first sprocket; 12 a first bevel gear; 13 a second bevel gear; 14 connecting rods; 15 belts; 16 a second sprocket; 17 a buffer ring; 18 a support member; 19 a buffer spring; 20 a buffer plate; 21 balls.

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.

Referring to fig. 1-3, the utility model provides a supporting device for a motor rotor of a refrigeration compressor, which comprises a motor bracket 1 and a rotor 2, wherein the rotor 2 is rotatably arranged at one side of the motor bracket 1, a rotating shaft 3 is fixedly arranged at one side of the rotor 2 close to the motor bracket 1, an oil-containing bearing 4 is arranged inside the motor bracket 1, the rotating shaft 3 is rotatably arranged inside the oil-containing bearing 4, an oil storage tank 5 is fixedly arranged on the inner side wall of the motor bracket 1, both sides of the bottom end of the oil storage tank 5 are provided with liquid outlets, the liquid outlets are hermetically connected with a first oil pipeline 6, one end of the first oil pipeline 6 is connected with a second oil pipeline 8 through an arc-shaped connecting piece 7, one end of the second oil pipeline 8 is communicated with a cavity containing the bearing 4 inside the motor bracket 1, a piston 9 is slidably arranged inside the second oil pipeline 8, the fixed threaded rod 10 that is provided with in upper end of piston 9, the lateral wall setting of motor support 1 is passed to the upper end of threaded rod 10, one of them the upper end threaded connection of threaded rod 10 has first sprocket 11, the fixed first conical gear 12 that is provided with in upper end of first sprocket 11, the meshing of upper end one side of first conical gear 12 is connected with second conical gear 13, the fixed connecting rod 14 that is provided with in outside intermediate position of second conical gear 13, first sprocket 11 is connected with second sprocket 16 through belt 15 transmission, second sprocket 16 screw thread sets up on another threaded rod 10.

In a preferred embodiment, the outer side wall of the piston 9 is matched with the inner side wall of the second oil pipeline 8, and the first oil pipeline 6, the arc-shaped connecting piece 7 and the second oil pipeline 8 are all arranged inside the side wall of the motor support 1, so that the piston 9 can be conveniently used for plugging the second oil pipeline 8.

In a preferred embodiment, the bottom ends of the first and

second sprockets

11 and 16 are each provided with a support member 18, the bottom ends of the first and

second sprockets

11 and 16 are each provided with an annular groove, and the top end of the support member 18 is slidably disposed in the annular groove to facilitate the rotation of the first and

second sprockets

11 and 16.

In a preferred embodiment, one end of the connecting rod 14 passes through the motor bracket 1 and the side wall of the motor housing and is fixedly connected with a knob arranged at the outer end of the motor housing, so that the operation of the equipment is facilitated without disassembling the motor housing.

The utility model discloses a theory of operation: when lubricating oil needs to be added to the oil-containing bearing 4, a knob at the outer end of a motor shell drives a connecting rod 14 to rotate, the connecting rod 14 can drive a second bevel gear 13 to rotate when rotating, the second bevel gear 13 drives a second bevel gear 12 and a first chain wheel 11 to rotate, the first chain wheel 11 can drive a second chain wheel 16 to rotate through a belt 15, the first chain wheel 11 and the second chain wheel 16 rotate under the action of a supporting piece 18, a threaded rod 10 can drive a piston 9 to move upwards when the first chain wheel 11 and the second chain wheel 16 rotate, so that the lubricating oil enters the oil-containing bearing 4 at the inner side of the motor bracket 1 through the first oil pipeline 6 and the second oil pipeline 8, the adding of the lubricating oil is convenient, the knob is rotated reversely after the adding is completed, the first chain wheel 11 and the second chain wheel 16 rotate reversely, the threaded rod 10 drives the piston 9 to move downwards, the piston 9 is utilized to block the second oil, the operation is simple and convenient, and the use of people is convenient.

Please refer to fig. 1 and 4, the utility model provides a supporting arrangement of refrigeration compressor motor rotor, the inboard that motor support 1 is inside to be located two oil-retaining bearings 4 all is provided with buffer ring 17, the inboard interval of buffer ring 17 is even to be provided with a plurality of buffer spring 19, one side that arc connecting piece 7 was kept away from to buffer spring 19 is all fixed to be set up on buffer board 20, one side that buffer spring 19 was kept away from to buffer board 20 all is provided with ball 21, pivot 3 rotates the intermediate position that sets up at a plurality of buffer boards 20, every the outside of buffer board 20 all is provided with two buffer spring 19.

The utility model discloses a theory of operation: in the motor operation process, if pivot 3 rocks because of motor vibrations, the outside of pivot 3 contacts with the inboard buffer board 20 of buffer ring 17, and the inboard ball 21 of buffer board 20 makes things convenient for the rotation of pivot 3, and buffer spring 19 in the buffer board 20 outside can cushion motor vibrations for equipment operation is more stable.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The supporting device for the motor rotor of the refrigeration compressor comprises a motor support (1) and a rotor (2), wherein the rotor (2) is rotatably arranged on one side of the motor support (1), and a rotating shaft (3) is fixedly arranged on one side, close to the motor support (1), of the rotor (2), and is characterized in that: the motor support is characterized in that an oil-containing bearing (4) is arranged in the motor support (1), the rotating shaft (3) rotates to penetrate through the oil-containing bearing (4), an oil storage tank (5) is fixedly arranged on the inner side wall of the motor support (1), liquid outlets are formed in two sides of the bottom end of the oil storage tank (5), a first oil pipeline (6) is connected to the liquid outlets in a sealing mode, one end of the first oil pipeline (6) is connected with a second oil pipeline (8) through an arc-shaped connecting piece (7), one end of the second oil pipeline (8) is communicated with a cavity containing the bearing (4) in the motor support (1), a piston (9) is arranged in the second oil pipeline (8) in a sliding mode, a threaded rod (10) is fixedly arranged at the upper end of the piston (9), and the upper end of the threaded rod (10) penetrates through the side wall of the motor support (1, one of them the upper end threaded connection of threaded rod (10) has first sprocket (11), the fixed first conical gear (12) that is provided with in upper end of first sprocket (11), the meshing of upper end one side of first conical gear (12) is connected with second conical gear (13), the fixed connecting rod (14) that is provided with in outside intermediate position of second conical gear (13), first sprocket (11) are connected with second sprocket (16) through belt (15) transmission, second sprocket (16) screw thread sets up on another threaded rod (10), the inside inboard that is located two oil bearing (4) of motor support (1) all is provided with cushion ring (17).

2. A support device for a refrigeration compressor motor rotor according to claim 1, characterized in that: the lateral wall of piston (9) and the inside wall phase-match of second oil pipeline (8), first oil pipeline (6), arc connecting piece (7) and second oil pipeline (8) all set up inside the lateral wall of motor support (1).

3. A support device for a refrigeration compressor motor rotor according to claim 1, characterized in that: the bottom of first sprocket (11) and second sprocket (16) all is provided with support piece (18), the bottom of first sprocket (11) and second sprocket (16) all is provided with the ring channel, the top of support piece (18) slides and sets up in the ring channel.

4. A support device for a refrigeration compressor motor rotor according to claim 1, characterized in that: one end of the connecting rod (14) penetrates through the motor bracket (1) and the side wall of the motor shell and is fixedly connected with a knob arranged at the outer end of the motor shell.

5. A support device for a refrigeration compressor motor rotor according to claim 1, characterized in that: the inboard interval of buffer ring (17) is even is provided with a plurality of buffer spring (19), one side that arc connecting piece (7) were kept away from in buffer spring (19) all fixes the setting on buffer board (20), one side that buffer spring (19) were kept away from in buffer board (20) all is provided with ball (21).

6. A supporting device of a refrigeration compressor motor rotor according to claim 5, characterized in that: the pivot (3) rotate and set up the intermediate position in a plurality of buffer board (20), every the outside of buffer board (20) all is provided with two buffer spring (19).