CN215109362U - Compressor and air conditioner - Google Patents

Abstract

The utility model discloses a compressor and air conditioner, include: the motor drives a crankshaft of the pump body assembly to rotate, a refrigerating oil cavity located below the pump body assembly is arranged in the shell, and a stirring mechanism used for stirring refrigerating oil and/or blowing airflow for heat dissipation is arranged at the bottom of the crankshaft. The utility model discloses set up rabbling mechanism in the inside of shell, the rabbling mechanism design has stirring rod or flabellum, through the stirring rod to the intensive mixing of refrigeration oil, avoids the refrigeration oil to solidify, blows the air current through the flabellum and dispels the heat to the motor to increase the life of motor.

Description

Compressor and air conditioner

Technical Field

The utility model relates to a compressor technical field especially relates to compressor and air conditioner with rabbling mechanism.

Background

Along with the continuous development of present science and technology, the compressor is more and more wide in the application of daily life, the compressor is as the core component of air conditioner, its durable degree directly influences the life of air conditioner, the compressor in the air conditioner is mostly vertical compressor, it includes the casing, motor and pump body subassembly, the equal fixed mounting of motor and pump body subassembly is in the casing, bottom in the casing is equipped with freezing oil pocket, the bent axle bottom of pump body subassembly is equipped with the oil absorption pipe that stretches into in the freezing oil pocket, freezing oil gets into pump body subassembly through oil absorption pipe, realize the lubrication action.

When the refrigerating fluid is not used for a long time or dust is mixed in or the compressor is in a low-temperature state, the refrigerating oil in the refrigerating oil cavity is easy to solidify, so that the refrigerating oil is difficult to enter the pump body assembly, and the working performance of the compressor is affected. And because the internal airflow of the conventional compressor can not flow circularly, the motor can generate a large amount of heat when rotating rapidly in the shell, so that the temperature of the area where the motor is located is overhigh, and the service life of the motor is shortened.

Therefore, how to optimize the internal structure of the compressor to make the operation more stable and reliable is a technical problem to be solved in the industry.

SUMMERY OF THE UTILITY MODEL

In order to solve the defect that exists among the prior art, the utility model provides a compressor and air conditioner with rabbling mechanism, this compressor realizes the intensive mixing of refrigeration oil and the heat dissipation of motor through rabbling mechanism, and the guarantee compressor can last steady operation in different environment homoenergetic.

The utility model discloses a technical scheme be, design the compressor, include: the motor drives a crankshaft of the pump body assembly to rotate, a refrigerating oil cavity located below the pump body assembly is arranged in the shell, and a stirring mechanism used for stirring refrigerating oil and/or blowing airflow for heat dissipation is arranged at the bottom of the crankshaft.

In one embodiment, the agitation mechanism comprises: the fan blades are arranged around the central column at intervals.

In another embodiment, the agitation mechanism comprises: the central column is driven by the crankshaft to rotate, and the stirring rods are distributed on the outer side of the central column and extend into the refrigerating oil cavity, and the stirring rods revolve around the axis of the central column.

In yet another embodiment, the agitation mechanism includes: the central column is driven by the crankshaft to rotate, the fan blades are fixed on the outer wall of the central column, and the stirring rods are installed on the fan blades, are arranged at intervals around the central column, and extend into the refrigerating oil cavity.

Preferably, the stirring rod is rotatable about its axis.

Preferably, the stir bar is helical.

Preferably, the bottom end of the center post is rotatably mounted on the bottom surface of the refrigeration oil chamber, and the end of the crankshaft is in pressing contact with the top surface of the center post.

Preferably, the inside of center post is equipped with the hole of stepping down, is equipped with the filtration hole with the hole intercommunication of stepping down around the center post, and the oil absorption pipe that the bent axle bottom stretches out inserts in the hole of stepping down.

Preferably, the maximum outer diameter of the pump body assembly is in clearance fit with the inner diameter of the shell, and an overflowing seam for air flow to pass through is formed between the pump body assembly and the shell.

Preferably, through holes are formed in the periphery of the shell, and welding wires fixedly connected with the pump body assembly and the shell are arranged in the through holes.

Preferably, the shell comprises an upper shell and a lower shell detachably mounted with the upper shell, the motor and the pump body assembly are fixedly mounted in the upper shell, and the lower shell is provided with a refrigerating oil cavity.

The utility model also provides an air conditioner, it includes the compressor, and this compressor adopts foretell compressor.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the stirring mechanism is arranged in the shell and is provided with a stirring rod or a fan blade, the frozen oil is fully stirred through the stirring rod, the freezing oil is prevented from being solidified, and the fan blade blows airflow to dissipate heat of the motor, so that the service life of the motor is prolonged;

2. the shell is formed by detachably mounting the upper shell and the lower shell, and the motor and the pump body assembly are fixedly mounted inside the upper shell, so that the compressor is convenient to detach and maintain.

Drawings

The invention is explained in more detail below with reference to exemplary embodiments and the accompanying drawings, in which:

fig. 1 is a schematic view of an internal structure of a compressor of the present invention;

FIG. 2 is a schematic structural view of a stirring mechanism of the present invention;

fig. 3 is a schematic structural view of the upper housing of the present invention;

fig. 4 is a schematic structural view of the middle and lower housing of the present invention.

Detailed Description

As shown in fig. 1, the utility model provides a compressor includes shell 1, motor 2 and pump body subassembly 3, and motor 2 and pump body subassembly 3 are all installed inside shell 1, and the upper cover subassembly of shell 1's top fixed mounting compressor, upper cover subassembly pass through the welding mode to be fixed on the top of shell 1, cover the top of shell 1 completely through the upper cover subassembly. The upper cover component is provided with a binding post for connecting the motor 2 positioned in the shell with an external power supply, and the motor 2 is started or closed by controlling the power supply of the external power supply. The outer wall of motor 2 and the inner wall interference fit of shell 1 make its internal diameter increase through heating shell 1 in the assembling process, pack into shell 1 with motor 2 and after the cooling, accomplish the fixed mounting of motor 2 and shell 1.

The pump body assembly 3 is located below the motor 2, the pump body assembly 3 usually comprises an upper flange, a cylinder, a lower flange and a crankshaft, the crankshaft penetrates through the upper flange, the cylinder and the lower flange, a piston located in a cylinder cavity is arranged on the crankshaft, the crankshaft of the pump body assembly 3 is fixedly connected with a rotor of the motor, when the rotor of the motor 2 rotates, the crankshaft of the pump body assembly 3 can be driven to synchronously rotate, and the piston rotates along with the crankshaft to realize air compression. The outer wall of the shell 1 is provided with an air suction pipe 15, the air suction pipe 15 is connected to an air outlet of the liquid distributor, the air suction pipe 15 is connected with an air cylinder air suction hole of the pump body assembly 3, and the air cylinder air suction hole sucks air through the air suction pipe 15.

A refrigerating oil cavity 13 positioned below the pump body assembly 3 is arranged in the shell 1, a stirring mechanism 4 is arranged at the bottom of the crankshaft, and refrigerating oil in the refrigerating oil cavity 13 is stirred by the stirring mechanism 4 or air flow in the shell 1 is blown for heat dissipation. In order to realize the airflow flow in the shell 1, the maximum outer diameter of the pump body assembly 3 is in clearance fit with the inner diameter of the shell 1, and a flow passing seam for the airflow to pass is formed between the pump body assembly 3 and the shell 1.

Generally, the maximum outer diameter of the pump body assembly 3 refers to the outer diameter of the upper flange, i.e. a flow gap is provided between the upper flange and the inner wall of the housing 1. Through holes 14 are formed in the periphery of the shell 1, welding wires which are used for fixedly connecting the pump body assembly 3 and the shell 1 are arranged in the through holes 14, the welding wires are usually metal wires, and the upper flange is fixedly welded in the shell 1 through the welding wires. In an embodiment of the present invention, the number of the through holes 14 is 6, but the number of the through holes 14 is not limited to 6, as long as the stable connection between the pump body assembly 3 and the housing 1 can be realized. It should be noted here that the through hole 14 is not necessarily sealed by the welding wire, and from the viewpoint of optimizing the heat dissipation effect, the through hole 14 may retain a ventilation function so that the inside and outside air flows of the housing 1 may enter and exit from the through hole.

As shown in fig. 2, there are various specific configurations of the stirring mechanism, and only three are exemplified below.

In the first embodiment, the stirring mechanism 4 includes: central post 41 and flabellum 42, flabellum 42 are fixed on central post 41 outer wall and encircle central post 41 interval setting, and central post 41 is rotated by the bent axle drive, and flabellum 42 flabellum moves the air current and flows to pump body subassembly 3 and motor 2 during the bent axle rotation for temperature balance in the shell 1 avoids motor 2 overheated condition to appear in the operation, prolongs motor 2's life.

In the second embodiment, the stirring mechanism 4 includes: the central column 41 and the stirring rods 43, the stirring rods 43 are distributed on the outer side of the central column 41, the stirring rods 43 extend into the refrigerating oil cavity 13, the central column 41 drives the stirring rods 43 to revolve around the axis of the central column 41 when rotating, and the stirring rods 43 stir the refrigerating oil to prevent the refrigerating oil from being solidified and being difficult to enter the pump body assembly 3. In this embodiment, in order to improve the stirring effect of the refrigeration oil, the stirring rod 43 is rotatably connected to the central column 41, and the stirring rod 43 can rotate around the axis of the central column 41 while revolving around the axis thereof, so as to sufficiently stir the refrigeration liquid during the rotation.

In the third embodiment, the stirring mechanism 4 includes: center post 41, flabellum 42 and stirring rod 43, flabellum 42 is fixed on center post 41 outer wall and is encircleed center post 41 interval setting, stirring rod 43 installs on flabellum 42, and stirring rod 43 stretches into in freezing oil pocket 13, center post 41 drives stirring rod 43 and flabellum 42 when rotating and encircles the axis revolution of center post 41, through the stirring of stirring rod 43 to the refrigeration oil, avoid the refrigeration oil to solidify, flow to pump body subassembly 3 and motor 2 through flabellum 42 fan-moving air current, make temperature balance in the shell 1, avoid motor 2 overheated. In this embodiment, in order to improve the stirring effect of the refrigerant oil, the stirring rod 43 is rotatably connected to the lower end surface of the fan 42, and the stirring rod 43 can rotate around its own axis while revolving around the axis of the central column 41, so as to sufficiently stir the refrigerant liquid during the rotation.

In the second and third embodiments, the stirring rod 43 has a spiral shape in order to enhance the stirring effect of the frozen oil. In practical applications, the stirring rod 43 may be designed in other shapes, which is not limited in the present invention.

Further, as shown in fig. 1, the bottom end of the center post 41 is rotatably mounted on the bottom surface of the freezing oil chamber 13, the end of the crankshaft is in pressing contact with the top surface of the center post 41, the center post 41 is driven to rotate by friction when the crankshaft rotates, the inside of the center post 41 is provided with a relief hole 412, and the aperture of the relief hole 412 is larger than the outer diameter of the oil suction pipe, so as to prevent the oil suction pipe from being damaged and affecting the oil suction of the pump body assembly 3 due to collision in the rotation process of the center post 41 or the oil suction pipe. The center post 41 is equipped with all around and lets the filtration hole 411 that hole 412 communicates, and the oil absorption pipe that the bent axle bottom stretches out inserts and lets the hole 412 in, and inside the refrigeration oil can get into center post 41 by filtering hole 411, and the rethread oil absorption pipe gets into pump body subassembly 3, filters hole 411 and can effectually keep apart impurity, the particulate matter in the refrigeration oil outside center post 41, has avoided impurity to be inhaled and has caused the jam in the oil absorption pipe.

Further, as shown in fig. 3 and 4, in order to facilitate maintenance of the internal structure of the compressor, the shell 1 of the compressor adopts a detachable structure, the shell 1 is composed of an upper shell 11 and a lower shell 12 detachably mounted to the upper shell 11, the upper and lower ends of the upper shell 11 are both open, an upper cover assembly is mounted at the upper end of the upper shell 11, the motor 2 and the pump body assembly 3 are fixedly mounted inside the upper shell 11, and the through hole 13, the air suction pipe 15 and the like are all disposed on the upper shell 11. The upper end of the lower shell 12 is open, the lower end is closed, the inner cavity of the lower shell 12 is a refrigerating oil cavity 13, and the stirring mechanism 4 is positioned in the lower shell 12.

The lower tip of going up casing 11 is provided with outside convex first disc 111, a plurality of first fixed orificess 112 have been seted up on first disc 111, first fixed orificess 112 is along the circumference evenly distributed of first disc 111, the upper end of lower casing 12 is provided with outside convex second disc 121, a plurality of second fixed orificess 122 have been seted up on the second disc 121, the circumference evenly distributed of second disc 121 is followed to second fixed orificess 122, first fixed orificess 112 and second fixed orifices 122 one-to-one, through at first fixed orificess 112 and second fixed orifices 122 installation bolt nut, in order to realize going up casing 11 and lower casing 12's removable being connected, after going up casing 11 and lower casing 12 dismantlement, can maintain rabbling mechanism 5, cooling oil chamber 13 etc. the dismouting is very convenient.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (12)

1. A compressor, comprising: the refrigeration oil pump is characterized in that a stirring mechanism used for stirring refrigeration oil and/or blowing airflow for heat dissipation is arranged at the bottom of the crankshaft.

2. The compressor of claim 1, wherein the agitation mechanism comprises: the fan blades are arranged around the central column at intervals.

3. The compressor of claim 1, wherein the agitation mechanism comprises: the central column is driven by the crankshaft to rotate, and the stirring rods are distributed on the outer side of the central column and extend into the freezing oil cavity, and the stirring rods revolve around the axis of the central column.

4. The compressor of claim 3, wherein the agitation mechanism comprises: the central column is driven to rotate by the crankshaft, the fan blades are fixed on the outer wall of the central column, and the stirring rods are installed on the fan blades, the fan blades are arranged around the central column at intervals, and the stirring rods extend into the freezing oil cavity.

5. A compressor according to claim 3 or 4, wherein the agitator bars are rotatable about their axes.

6. A compressor according to claim 3 or 4, wherein the agitator bars are helical.

7. The compressor of any one of claims 2 to 4, wherein a bottom end of the center post is rotatably connected to a bottom surface of the refrigeration oil chamber, and an end of the crankshaft is in pressing contact with a top surface of the center post.

8. The compressor of claim 7, wherein the center post is provided with a recess therein, the center post is provided with a filter hole around the center post, the filter hole is communicated with the recess, and the oil suction pipe extending from the bottom end of the crankshaft is inserted into the recess.

9. The compressor of any one of claims 1 to 4, wherein the maximum outer diameter of the pump body assembly is in clearance fit with the inner diameter of the housing, and a flow passing slit for air flow is formed between the pump body assembly and the housing.

10. The compressor of claim 9, wherein the housing defines a through-hole disposed therethrough, the through-hole having a welding wire disposed therein for fixedly connecting the pump body assembly to the housing.

11. The compressor according to any one of claims 1 to 4, wherein the housing is composed of an upper housing and a lower housing detachably mounted to the upper housing, the motor and the pump body assembly are fixedly mounted inside the upper housing, and the lower housing is provided with the refrigerating oil chamber.

12. An air conditioner comprising: a compressor, characterized in that the compressor of any one of claims 1 to 11 is employed.

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