CN214304346U - Scroll compressor pump body and scroll compressor - Google Patents

Abstract

The utility model relates to a scroll compressor pump body and scroll compressor, the scroll compressor pump body includes bearing, bent axle, fixed vortex dish and moves the vortex dish; the bearing penetrates through a shaft hole, the bearing comprises a bearing handle part and a bearing flange which are fixedly connected, and an accommodating groove is formed in the end face of the bearing flange; the fixed scroll disc and the bearing are detachably fixed; the movable scroll disk is movably arranged in the accommodating groove, the crankshaft movably penetrates through the shaft hole, and the end part of the crankshaft is fixedly connected with the movable scroll disk and can drive the movable scroll disk to rotate; the inner side surface of the side wall of the containing groove is provided with a first oil storage groove. The setting of first oil storage tank has effectively increased the oil storage space for can have sufficient lubricating oil to get into in the course of the work decide the whirlpool dish with move between the whirlpool dish and move the whirlpool dish with friction position between the bearing lubricates, helps increasing the backpressure space simultaneously, avoids because the refrigerant gas that is compressed acts on decide the whirlpool dish with move the whirlpool dish and make the clearance increase between the two, cause refrigerant gas leakage, influence the problem of compressor efficiency.

Description

Scroll compressor pump body and scroll compressor

Technical Field

The utility model relates to a compressor technical field especially relates to a scroll compressor pump body and scroll compressor.

Background

The vortex compressor pump body in the prior art comprises a main bearing, a fixed vortex disk, a movable vortex disk and a crankshaft, wherein the positioning disk is a fixed involute vortex disk, the movable vortex disk is an involute motion vortex disk which performs eccentric convolution translation, the fixed vortex disk is detachably fixed on the main bearing, is engaged with the movable vortex disk and forms a refrigerant compression working space, and comprises a plurality of crescent-shaped compression cavities; the crankshaft is an eccentric shaft and can drive the movable scroll disk to rotate around the base circle center of the fixed scroll disk in a plane with a small radius. Refrigerant gas is sucked into a compressor pump body from a compressor suction pipe and then is sucked into a refrigerant compression working space formed by the movable scroll and the fixed scroll, along with the rotation of the crankshaft, the refrigerant gas is gradually compressed into high-temperature and high-pressure gas in a plurality of crescent compression cavities, and then the high-temperature and high-pressure gas is continuously discharged from an axial hole of a central part of the fixed scroll. According to the reaction principle of stress, compressed gas can apply a gas force to the movable scroll disk and the fixed scroll disk, and the movable scroll disk and the fixed scroll disk are pushed away in the axial direction, so that the gap between the movable scroll disk and the fixed scroll disk is increased, refrigerant gas leakage is caused, and the performance of the compressor is reduced. In addition, when the supply amount of the lubricating oil is insufficient, the lubricating oil film between the movable scroll and the fixed scroll cannot be rapidly reformed after being damaged in the working process, so that the problem of abnormal abrasion caused by dry friction is caused.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims at providing a scroll compressor pump body, it has simple structure, back pressure space and the big advantage in oil storage space.

A scroll compressor pump body comprises a bearing, a crankshaft, a fixed scroll and a movable scroll; the bearing penetrates through a shaft hole, the bearing comprises a bearing handle part and a bearing flange which are fixedly connected, and an accommodating groove is formed in the end face of the bearing flange; the fixed scroll disc and the bearing are detachably fixed; the movable scroll disk is movably arranged in the accommodating groove, the crankshaft movably penetrates through the shaft hole, and the end part of the crankshaft is fixedly connected with the movable scroll disk and can drive the movable scroll disk to rotate; the inner side surface of the side wall of the containing groove is provided with a first oil storage groove.

The scroll compressor pump body provided by the embodiment of the utility model effectively increases the oil storage space by arranging the first oil storage groove at the inner side of the side wall of the containing groove, so that enough lubricating oil can enter the friction position between the fixed scroll disk and the movable scroll disk and between the movable scroll disk and the bearing for lubrication in the working process, thereby avoiding the problems of abrasion, sintering and the like caused by dry friction and prolonging the service life; meanwhile, the arrangement of the first oil storage tank is beneficial to increasing the backpressure space, and the problem that the energy efficiency of the compressor is influenced due to the fact that compressed refrigerant gas acts on the fixed scroll and the movable scroll and the gap between the fixed scroll and the movable scroll is increased is solved.

Furthermore, the first oil storage groove extends along the circumferential direction of the bearing, so that the space is effectively utilized, and the oil storage space is enlarged.

Furthermore, the first oil storage tank is annular, the circle center of the first oil storage tank coincides with the axis of the bearing, the space is fully utilized, and the oil storage space is enlarged.

Further, the cross section of the first oil storage tank is circular, semicircular, elliptical, rectangular or trapezoidal.

Further, the fixed scroll disc and the bearing are detachably fixed through a fixing bolt; the bearing flange has been seted up the screw along the axial, decide the whirlpool dish and correspond the screw position runs through and has seted up the fixed orifices, fixing bolt wears to establish and is fixed in the fixed orifices and the screw, fixed stability is good and dismouting easy and simple to handle, the production equipment of being convenient for and later maintenance.

Furthermore, the bottom surface of the accommodating groove is also provided with a plurality of second oil storage grooves; the second oil storage tank is waist-shaped.

Further, the number of the second oil storage tanks is at least 4. The setting of second oil storage tank can further increase the oil storage space, and its shape is convenient for machine-shaping.

The embodiment of the utility model provides a scroll compressor pump body is through setting up the setting of first oil storage tank in the lateral wall inboard of storage tank, and to the structure of first oil storage tank is injectd in preferred embodiment, further cooperates the setting of second oil storage tank, has effectively increased the oil storage space, makes can have enough lubricating oil to get into in the course of the work the fixed scroll dish with move between the scroll dish and move the friction position between the scroll dish with the bearing and lubricate, avoids because dry friction causes wearing and tearing sintering scheduling problem, has prolonged life; meanwhile, the arrangement of the first oil storage tank is beneficial to increasing the backpressure space, and the problem that the energy efficiency of the compressor is influenced due to the fact that compressed refrigerant gas acts on the fixed scroll and the movable scroll and the gap between the fixed scroll and the movable scroll is increased is solved.

Additionally, the embodiment of the utility model provides a still provide a scroll compressor, its include above the scroll compressor pump body, it has simple structure, the high and long service life's of efficiency advantage.

For a better understanding and an implementation, the present invention is described in detail below with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic view of a bearing structure according to embodiment 1 of the present invention;

fig. 2 is a schematic view of a second bearing structure according to embodiment 1 of the present invention;

FIG. 3 is a longitudinal cross-sectional view of the bearing shown in FIG. 1;

FIG. 4 is a longitudinal cross-sectional view of the bearing shown in FIG. 2;

fig. 5 is a schematic view of a pump body structure of a scroll compressor according to embodiment 1 of the present invention.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being 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.

Example 1

Referring to fig. 1-5, fig. 1 is a schematic view of a bearing structure according to embodiment 1 of the present invention, fig. 2 is a schematic view of a bearing structure according to embodiment 2 of the present invention, fig. 3 is a schematic view of a longitudinal section of a bearing shown in fig. 1, fig. 4 is a schematic view of a longitudinal section of a bearing shown in fig. 2, and fig. 5 is a schematic view of a pump body structure of a scroll compressor according to embodiment 1 of the present invention. The embodiment of the utility model provides a scroll compressor pump body, it includes bearing 10, bent axle 20, fixed vortex disk 30 and moves vortex disk 40; the bearing 10 is provided with a shaft hole 12 in a penetrating way, the bearing 10 comprises a bearing handle part 14 and a bearing flange 16 which are fixedly connected, and the end face of the bearing flange 16 is provided with a containing groove 18; the fixed scroll 30 and the bearing 10 are detachably fixed; the movable scroll 40 is movably arranged in the containing groove 18, the crankshaft 20 movably penetrates through the shaft hole 12, and the end part of the crankshaft is fixedly connected with the movable scroll 40 and can drive the movable scroll 40 to rotate; the inner surface of the sidewall of the accommodating groove 18 is formed with a first oil storage groove 182.

The scroll compressor pump body in the embodiment 1 of the invention effectively increases the oil storage space by arranging the first oil storage groove at the inner side of the side wall of the storage groove, so that enough lubricating oil can enter the friction position between the fixed scroll disk and the movable scroll disk and between the movable scroll disk and the bearing for lubrication in the working process, thereby avoiding the problems of abrasion, sintering and the like caused by dry friction and prolonging the service life; meanwhile, the arrangement of the first oil storage tank is beneficial to increasing the backpressure space, and the problem that the energy efficiency of the compressor is influenced due to the fact that compressed refrigerant gas acts on the fixed scroll and the movable scroll and the gap between the fixed scroll and the movable scroll is increased is solved.

As an alternative embodiment, the first oil reservoir 182 extends in the circumferential direction of the bearing 10, thereby effectively utilizing the space and increasing the oil reservoir space.

Further, the first oil storage tank 182 is annular, and the center of the first oil storage tank coincides with the axis of the bearing 10, so that the space is fully utilized, and the oil storage space is enlarged. Specifically, the cross section of the first oil reservoir 182 is circular, semicircular, elliptical, rectangular or trapezoidal, and in this embodiment, is rectangular, as shown in fig. 1 and 3, and in other embodiments, may be semicircular, as shown in fig. 2 and 4.

As an alternative embodiment, in the present embodiment, the fixed scroll 30 is detachably fixed to the bearing 10 by a fixing bolt (not shown); bearing flange 16 has seted up screw 162 along the axial, and the fixed scroll 30 corresponds screw 162 position and has run through and has seted up fixed orifices 32, fixing bolt wears to establish and is fixed in fixed orifices 32 and screw 162, and the good and dismouting easy and simple to handle of fixed stability is convenient for production equipment and later maintenance.

Further, the bottom surface of the accommodating groove 18 is also provided with a plurality of second oil storage grooves 184; the second oil reservoir 184 is kidney-shaped. As an alternative embodiment, the number of the second oil reservoirs 184 is at least 4, and in this embodiment is 4, and in other embodiments, it may be in other numbers. The second oil reservoir 184 is provided to further increase the oil storage space, and is shaped to facilitate the machining.

The embodiment of the utility model provides 1 the scroll compressor pump body is through setting up the setting of first oil storage tank in the lateral wall inboard of storage tank, and to the structure of first oil storage tank is injectd in preferred embodiment, further cooperates the setting of second oil storage tank, has effectively increased the oil storage space, makes can have enough lubricating oil to get into in the course of the work decide the whirlpool dish with move between the whirlpool dish and move the whirlpool dish with the friction position between the bearing lubricates, avoids causing because dry friction wearing and tearing sintering scheduling problem, has prolonged life; meanwhile, the arrangement of the first oil storage tank is beneficial to increasing the backpressure space, and the problem that the energy efficiency of the compressor is influenced due to the fact that compressed refrigerant gas acts on the fixed scroll and the movable scroll and the gap between the fixed scroll and the movable scroll is increased is solved.

Example 2

Embodiment 2 provides a scroll compressor, it includes embodiment 1 the scroll compressor pump body, it has simple structure, the high and long service life's of efficiency advantage.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present 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.

Claims (8)

1. A scroll compressor pump body characterized by: comprises a bearing, a crankshaft, a fixed scroll disk and a movable scroll disk; the bearing penetrates through a shaft hole, the bearing comprises a bearing handle part and a bearing flange which are fixedly connected, and an accommodating groove is formed in the end face of the bearing flange; the fixed scroll disc and the bearing are detachably fixed; the movable scroll disk is movably arranged in the accommodating groove, the crankshaft movably penetrates through the shaft hole, and the end part of the crankshaft is fixedly connected with the movable scroll disk and can drive the movable scroll disk to rotate; the inner side surface of the side wall of the containing groove is provided with a first oil storage groove.

2. The scroll compressor pump body of claim 1, wherein: the first oil reservoir extends in the circumferential direction of the bearing.

3. The scroll compressor pump body of claim 1, wherein: the first oil storage tank is annular, and the circle center of the first oil storage tank coincides with the axis of the bearing.

4. The scroll compressor pump body of claim 2 or 3, wherein: the cross section of the first oil storage tank is circular, semicircular, elliptical, rectangular or trapezoidal.

5. The scroll compressor pump body of claim 1, wherein: the fixed scroll disc and the bearing are detachably fixed through a fixing bolt; the bearing flange is provided with a screw hole along the axial direction, the fixed scroll disc penetrates through the position corresponding to the screw hole to form a fixed hole, and the fixed bolt penetrates through the fixed hole and the screw hole to be fixed on.

6. The scroll compressor pump body of claim 1, wherein: the bottom surface of the accommodating groove is also provided with a plurality of second oil storage grooves; the second oil storage tank is waist-shaped.

7. The scroll compressor pump body of claim 6, wherein: the number of the second oil storage tanks is at least 4.

8. A scroll compressor characterized by: comprising the scroll compressor pump body of any one of claims 1-7.

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