CN117189590A - Scroll compressor and refrigeration equipment - Google Patents

Abstract

The utility model discloses a scroll compressor and refrigeration equipment. The vortex compressor comprises a fixed vortex disc and an movable vortex disc, and a first oil groove is formed in the end face of the fixed vortex disc; the movable vortex plate is rotatably connected with the fixed vortex plate and is matched with the fixed vortex plate to define a compression cavity; the movable scroll is provided with a first oil supply channel, the first oil supply channel is provided with a first oil outlet on the end face of the movable scroll, and the first oil outlet is periodically communicated with the first oil groove; the end face of the movable scroll is also provided with a second oil groove, the second oil groove is positioned on one side of the movable scroll, which is close to the first oil outlet, and the second oil groove is suitable for being periodically communicated with the first oil groove. According to the technical scheme, the integral lubricating capability between the movable scroll and the fixed scroll is improved, the abrasion between the movable scroll and the fixed scroll is reduced, and the reliability of the compressor is improved.

Description

Scroll compressors and refrigeration equipment

Technical field

The present invention relates to the technical field of compressors, and in particular to a scroll compressor and refrigeration equipment.

Background technique

The scroll compressor includes a fixed scroll, an orbiting scroll and a crankshaft. The orbiting scroll is installed on the crankshaft. The orbiting scroll is assembled with the stationary scroll and is movable relative to the stationary scroll. The scroll compressor works At this time, the eccentric motion of the crankshaft drives the movable scroll to move, causing the refrigerant to form a continuous operation of suction, compression and discharge in the compression chamber defined by the cooperation between the fixed scroll and the movable scroll, thereby realizing the compressor suction, The process of compression and exhaust.

In the related art, an oil groove is usually provided on the end face of the fixed scroll, and the oil supply channel on the movable scroll supplies oil to the oil groove of the fixed scroll, so as to realize the connection between the fixed scroll and the movable scroll. Lubrication, but there will still be insufficient local lubrication of the scroll, causing wear problems.

Contents of the invention

The main purpose of the present invention is to propose a scroll compressor that aims to improve the lubrication effect of the scroll and reduce wear.

In order to achieve the above objectives, the scroll compressor proposed by the present invention includes:

a fixed scroll, the end surface of which is provided with a first oil groove; and

The movable scroll is rotatably connected to the fixed scroll, and cooperates with the fixed scroll to define a compression chamber; the movable scroll is provided with a first oil supply channel, and the first oil supply channel The oil channel is provided with a first oil outlet on the end surface of the orbiting scroll, and the first oil outlet is periodically connected to the first oil groove;

The end face of the orbiting scroll is also provided with a second oil groove that is not connected to the first oil supply channel. The second oil groove is located on the side of the orbiting scroll close to the first oil outlet. , the second oil tank is adapted to periodically communicate with the first oil tank.

In an embodiment of the present application, a scroll groove is provided on a side of the fixed scroll facing the movable scroll, and the first oil groove at least partially surrounds the outer periphery of the scroll groove, and the first oil groove The oil groove is provided with a first oil inlet portion near the suction end of the vortex groove, and the first oil inlet portion is located in the vortex extension direction of the vortex groove;

The first oil outlet is in periodic communication with the first oil inlet, and the second oil groove is located between the first oil outlet and the suction end of the scroll groove.

In an embodiment of the present application, the second oil groove is in periodic communication with the first oil inlet part.

In an embodiment of the present application, the projection shape of the second oil groove on the end surface of the orbiting scroll is arc-shaped;

And/or, the flow cross-sectional shape of the second oil groove is arc-shaped, V-shaped or U-shaped.

In an embodiment of the present application, the groove width dimension of the second oil groove is the same as the groove width dimension of the first oil groove.

In one embodiment of the present application, a third oil groove is further provided on the end surface of the fixed scroll, and the third oil groove is spaced on a side of the first oil groove away from the scroll groove;

The first oil outlet is periodically connected to the third oil tank, and the second oil tank is not connected to the first oil tank and the third oil tank.

In an embodiment of the present application, the first oil groove is annularly surrounding the outer periphery of the vortex groove, and the third oil groove is annularly spaced around the outer periphery of the first oil groove.

In one embodiment of the present application, the scroll compressor further includes a casing and a crankshaft located in the casing and connected to the movable scroll. An oil pool is provided at the bottom of the casing. An oil suction passage connected to the oil pool is provided in the crankshaft, and an outlet end of the oil suction passage is connected to the first oil supply passage.

In one embodiment of the present application, the movable scroll includes a movable scroll body, orbiting scroll teeth provided on the movable scroll body, and an eccentric bearing portion used to cooperate with the crankshaft;

The first oil supply channel is provided in the moving plate body, and the first oil supply channel is provided with a first oil inlet. The first oil inlet is located in the eccentric bearing part or in the direction of the moving plate body. On one side of the eccentric bearing part, the first oil outlet and the second oil groove are all provided on the end surface of the movable disk body facing the fixed scroll.

In an embodiment of the present application, the first oil supply channel extends along a radial direction of the moving plate body.

In order to achieve the above object, this application also provides a refrigeration equipment, including the above-mentioned scroll compressor; the scroll compressor includes:

a fixed scroll, the end surface of which is provided with a first oil groove; and

The movable scroll is rotatably connected to the fixed scroll, and cooperates with the fixed scroll to define a compression chamber; the movable scroll is provided with a first oil supply channel, and the first oil supply channel The oil channel is provided with a first oil outlet on the end surface of the orbiting scroll, and the first oil outlet is periodically connected to the first oil groove;

A second oil groove is also provided on the end face of the orbiting scroll. The second oil groove is located on the side of the orbiting scroll close to the first oil outlet. The second oil groove is suitable for use with the The first oil tank is periodically connected.

In the scroll compressor of the technical solution of the present invention, the fixed scroll and the movable scroll cooperate to define a compression chamber, the end surface of the fixed scroll is provided with a first oil groove, and the movable scroll is provided with a first oil supply channel. The first oil outlet of the first oil supply channel is periodically connected with the first oil tank to supply oil to the first oil tank. By disposing a second oil groove on the end surface of the orbiting scroll close to the first oil outlet, the second oil groove can periodically communicate with the first oil groove, so that the oil in the first oil groove can be directed to the second oil groove. , so that the second oil groove can lubricate areas that cannot be reached by the oil in the first oil groove, compensate for the defect of insufficient local lubrication, improve the overall lubrication capacity between the movable scroll and the fixed scroll, and reduce the friction between the two. Wear and improve the reliability of the compressor.

Description of the drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description are only These are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on the structures shown in these drawings without exerting creative efforts.

Figure 1 is a schematic structural diagram of an embodiment of a scroll compressor according to the present invention;

Figure 2 is a schematic structural diagram of an embodiment of the fixed scroll in the present invention;

Figure 3 is a schematic structural diagram of an embodiment of the orbiting scroll of the present invention;

Figure 4 is a schematic structural diagram of another embodiment of the orbiting scroll of the present invention;

Figure 5 is a full cross-sectional view of an embodiment of the orbiting scroll of the present invention;

Figure 6 is a schematic structural diagram of an embodiment of the present invention in which the second oil groove and the first oil inlet are not connected when the movable scroll and the fixed scroll are mated;

7 is a schematic structural diagram of an embodiment of the communication between the second oil groove and the first oil inlet when the movable scroll and the fixed scroll are in a mated state in the embodiment of the present invention.

Explanation of reference numbers:

label name label name 100 static scroll 220 Orbiting scroll teeth 101 First oil tank 230 Eccentric bearing part 101a First oil inlet part 201 First oil supply channel 102 Third oil tank 201a First oil outlet 1021 Annular oil groove 201b First oil inlet 1022 Connection slot 202 Second oil tank 110 fixed scroll teeth 300 chassis 120 Vortex trough 310 Oil pool 120a Suction end 400 crankshaft 200 Orbiting scroll 410 Oil suction channel 210 Moving plate body

The realization of the purpose, functional features and advantages of the present invention will be further described with reference to the embodiments and the accompanying drawings.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts fall within the scope of protection of the present invention.

It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back...), then the directional indications are only used to explain the position of a certain posture (as shown in the drawings). The relative positional relationship, movement conditions, etc. between the components under the display). If the specific posture changes, the directional indication will also change accordingly.

At the same time, the meaning of "and/or" or "and/or" appearing in the whole text is to include three options. Taking "A and/or B" as an example, it includes option A, or option B, or both A and B at the same time. Satisfactory solution.

In addition, if there are descriptions involving “first”, “second”, etc. in the embodiments of the present invention, the descriptions of “first”, “second”, etc. are only for descriptive purposes and shall not be understood as indications or implications. Its relative importance or implicit indication of the number of technical features indicated. Therefore, features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In addition, the technical solutions in various embodiments can be combined with each other, but it must be based on the realization by those of ordinary skill in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that such a combination of technical solutions does not exist. , nor within the protection scope required by the present invention.

The present invention proposes a scroll compressor, which aims to achieve lifting of the movable scroll and the fixed scroll by adding an oil groove on the movable scroll close to the oil outlet to periodically communicate with the high-pressure oil groove on the fixed scroll respectively. The lubrication between the rotating discs reduces the wear between them and improves compressor performance. It can be understood that the scroll compressor can be applied to different types of refrigeration equipment, such as refrigerators, air conditioners, cold chain vehicles, etc., and is not limited to a specific type of equipment. The structure of the scroll compressor will be described below.

In the embodiment of the present invention, as shown in FIGS. 1 , 3 , 4 , 6 and 7 , the scroll compressor includes a fixed scroll 100 and an orbiting scroll 200 .

A first oil groove 101 is provided on the end face of the fixed scroll 100; the movable scroll 200 is rotatably connected to the fixed scroll 100, and cooperates with the fixed scroll 100 to define a compression chamber; the movable scroll 200 is provided with The first oil supply channel 201 is provided with a first oil outlet 201a on the end surface of the orbiting scroll 200. The first oil outlet 201a is periodically connected with the first oil groove 101; the orbiting scroll A second oil groove 202 is also provided on the end face of 200. The second oil groove 202 is located on the side of the orbiting scroll 200 close to the first oil outlet 201a. The second oil groove 202 is suitable for periodic communication with the first oil groove 101.

It can be understood that the movable scroll 200 in the scroll compressor is connected to the crankshaft 400, and the rotation of the crankshaft 400 drives the movable scroll 200 to move relative to the fixed scroll 100. During the rotation of the movable scroll 200, the movable scroll 200 rotates. The orbiting scroll teeth 220 of the scroll 200 and the fixed scroll teeth 110 of the fixed scroll 100 mesh with each other to compress the gas in the compression chamber and then discharge it from the exhaust port, wherein the orbiting scroll teeth 220 and the fixed scroll teeth 110 The mutual cooperation structure between them can refer to the cooperation structure in a conventional scroll compressor, and will not be described again here. During the movement of the orbiting scroll 200 relative to the fixed scroll 100, the end surfaces of the fixed scroll 100 and the end surfaces of the orbiting scroll 200 cooperate with each other, and a first oil groove 101 is provided on the end surface of the fixed scroll 100. The orbiting scroll 200 is provided with a first oil supply channel 201. The first oil outlet 201a of the first oil supply channel 201 is opened on the end surface of the orbiting scroll 200. During the movement of the orbiting scroll 200, it can drive The first oil outlet 201a is periodically communicated with the first oil groove 101 to supply oil into the first oil groove 101, thereby lubrication between the fixed scroll 100 and the movable scroll 200. However, there will be an area between the scrolls in the compressor of the related art that the first oil groove 101 cannot lubricate (for example, an area where the first oil groove 101 cannot extend or the scroll groove between the first oil groove 101 and the fixed scroll 100 120/areas far away from edges, etc.), there will be local insufficient lubrication, leading to wear problems. Based on this, this embodiment provides a second oil groove 202 on the end surface of the orbiting scroll 200. The oil groove 202 is located on the side of the orbiting scroll 200 close to the first oil outlet 201a, and can be periodically connected to the first oil groove 101 during the operation of the orbiting scroll 200, so that the oil in the first oil groove 101 can flow to the first oil outlet 201a. The oil is stored in the second oil tank 202, and then swept along with the movement of the orbiting scroll 200, oil can be supplied to lubricate the areas that cannot be lubricated by the first oil tank 101, thereby compensating for the defect of insufficient local lubrication, and improving the relationship between the orbiting scroll 200 and the The overall lubrication capability between the fixed scrolls 100 reduces the wear between them.

It should be noted that the first oil outlet 201a in this embodiment is periodically communicated with the first oil tank 101, and its purpose is to supply oil into the first oil tank 101 through the first oil supply channel 201. A second oil groove 202 is provided on the end surface of the orbiting scroll 200 at a position close to the first oil outlet 201a, and allows the second oil groove 202 to periodically communicate with the first oil groove 101. The purpose is to enable the second oil groove 202 to communicate with the first oil groove 101 when the two are connected. The oil in the first oil groove 101 is led to the second oil groove 202, and then when the two are not connected, the oil in the second oil groove 202 can lubricate the end surface of the movable scroll 200 and the fixed scroll 100. , thereby being able to lubricate areas that the oil in the first oil groove 101 cannot reach, thereby promoting rapid and sufficient lubrication of the entire scroll end surface, improving the lubrication effect, reducing the occurrence of wear, and improving the reliability of the compressor.

It can be understood that the position where the first oil groove 101 communicates with the first oil outlet 201a is the area with the most abundant oil in the first oil groove 101. The oil entering the first oil groove 101 from the first oil outlet 201a is along the The path of the first oil groove 101 flows to other areas of the first oil groove 101. By disposing the second oil groove 202 close to the first oil outlet 201a, when the second oil groove 202 is connected with the first oil groove 101, it can be more convenient for lubricating oil to enter. The second oil tank 202 is stored in the second oil tank 202. When the second oil tank 202 is disconnected from the first oil tank 101, the second oil tank 202 can be swept along with the movement of the movable scroll 200 to lubricate the space between the two scroll end surfaces. , improve lubrication efficiency.

The first oil supply channel 201 supplies oil to the first oil tank 101. It can be understood that the scroll compressor includes a casing 300 and a crankshaft 400 located in the casing 300 and connected to the orbiting scroll 200. The bottom of the casing 300 An oil pool 310 is provided, and an oil suction channel 410 connected to the oil pool 310 is provided in the crankshaft 400. The outlet end of the oil suction channel 410 is connected to the first oil supply channel 201, and oil is pumped from the bottom of the casing 300 through the oil suction channel 410. The oil is then transported to the first oil tank 101 through the first oil supply channel 201 of the orbiting scroll 200 .

Optionally, the flow cross-sectional shape of the first oil groove 101 can be determined according to the actual situation, such as an arc shape, a V shape, a U shape, a square, a triangle or other special shapes.

Optionally, the flow cross-sectional shape of the second oil groove 202 can be determined according to the actual situation, such as an arc shape, a V shape, a U shape, a square, a triangle, or other special shapes.

In the scroll compressor of the technical solution of the present invention, the fixed scroll 100 and the movable scroll 200 cooperate to define a compression chamber. The end surface of the fixed scroll 100 is provided with a first oil groove 101, and the movable scroll 200 is provided with a third oil groove 101. An oil supply channel 201. The first oil outlet 201a of the first oil supply channel 201 is periodically connected with the first oil tank 101 to supply oil to the first oil tank 101. By disposing the second oil groove 202 on the end surface of the orbiting scroll 200 close to the first oil outlet 201a, the second oil groove 202 can periodically communicate with the first oil groove 101, so that the oil in the first oil groove 101 can The oil is directed to the second oil groove 202, so that the second oil groove 202 can lubricate the area that the oil in the first oil groove 101 cannot reach, compensate for the defect of insufficient local lubrication, and improve the friction between the movable scroll 200 and the fixed scroll 100. The overall lubrication ability reduces the wear between the two and improves the reliability of the compressor.

In an embodiment of the present application, please refer to Figures 2, 6 and 7. The fixed scroll 100 is provided with a scroll groove 120 on the side facing the movable scroll 200, and the first oil groove 101 at least partially surrounds the scroll groove. On the outer periphery of 120, the first oil groove 101 is provided with a first oil inlet portion 101a near the suction end 120a of the vortex groove 120, and the first oil inlet portion 101a is located in the spiral extension direction of the vortex groove 120; The oil outlet 201a is in periodic communication with the first oil inlet 101a, and the second oil groove 202 is located between the first oil outlet 201a and the suction end 120a of the scroll groove 120.

It can be understood that the fixed scroll teeth 110 of the fixed scroll 100 form the scroll groove 120, and the orbiting scroll teeth 220 of the orbiting scroll 200 fit in the scroll groove 120 and mesh with the fixed scroll teeth 110 to form a compression force. cavity. The fixed scroll 100 is provided with a suction port, and the suction end 120a of the scroll groove 120 is connected with the suction port for sucking the refrigerant gas into the compression chamber for compression. The first oil groove 101 is arranged in the outer area of the scroll groove 120 of the fixed scroll 100 and is entirely located within the operating range of the end plate of the orbiting scroll 200. The first oil groove 101 can at least partially surround the outer periphery of the scroll groove 120. provided to prevent the first oil groove 101 from communicating with the back pressure chamber of the orbiting scroll 200 .

In actual application, since the vortex groove 120 extends in a vortex shape, the suction end 120a of the vortex groove 120 is located in the area near the outside of the fixed scroll 100, and the exhaust end of the vortex groove 120 is located in the fixed scroll 100. 100 near the center, then the vortex groove 120 will have a larger solid area on the end surface of the vortex extension direction on the side of the suction end 120a, and the oil section of the first oil groove 101 close to the suction end 120a is here The area will be bent outward to adapt to the scroll shape of the scroll groove 120, so that there may be insufficient lubrication near the suction end 120a of the scroll teeth 120 to cause wear. Based on this, in this embodiment, a first oil inlet 101a is provided in the first oil groove 101 near the suction end 120a of the scroll groove 120, and the first oil outlet 201a is periodically connected to the first oil inlet 101a, so that it can be more More lubricating oil is supplied to the first oil inlet portion 101a to increase the lubrication effect of the scroll near the suction end 120a. At the same time, the second oil groove 202 is provided between the first oil outlet 201a and the suction end 120a of the scroll groove 120, so that when the second oil groove 202 communicates with the first oil groove 101, the lubricating oil can enter the second oil groove 201 Internal storage, when the second oil tank 202 is not connected to the first oil tank 101, the second oil tank 202 can sweep and supply oil to the area of the fixed scroll 100 near the suction end 120a under the movement of the movable scroll 200, In this way, the lubrication degree of the scroll near the suction end 120a can be further improved to eliminate wear and extend the service life.

In order to ensure a better oil supply effect, please refer to Figure 2, Figure 6 and Figure 7. As an example, the cross-sectional area of the first oil inlet portion 101a can be larger than the cross-sectional area of other areas of the first oil groove 101. For example, it can be set as Semi-circular groove, circular groove or square groove, etc.

Alternatively, the first oil groove 101 may be an annular groove or a "C"-shaped groove.

Further, the second oil groove 202 is in periodic communication with the first oil inlet portion 101a. It can be seen from the foregoing embodiments that the oil supply area and oil volume at the first oil inlet 101a are larger than other areas of the first oil tank 101. In this embodiment, the second oil tank 202 is periodically connected to the first oil inlet 101a, so that the second oil tank 202 is periodically connected to the first oil inlet 101a. When the second oil tank 202 is connected to the first oil inlet part 101a, the lubricating oil can enter the second oil tank 202 for storage more quickly, so that when the two are not connected, the second oil tank 202 has enough lubricating oil pairs. The area between the first oil inlet part 101a and the suction end 120a is supplied with oil for lubrication, which further improves the oil supply efficiency and promotes rapid and sufficient lubrication of the entire end surface area of the scroll.

In an embodiment of the present application, please refer to FIGS. 3 to 5 , the second oil tank 202 is not connected to the first oil supply channel 201 .

It can be understood that the second oil groove 202 is provided on the end surface of the orbiting scroll 200, and the first oil outlet 201a is the oil outlet of the first oil supply channel 201 on the end face of the orbiting scroll 200. By connecting the second oil groove 202 is not connected to the first oil supply channel 201, then the second oil tank 202 will not divert the oil in the first oil supply channel 201, so that the oil in the first oil supply channel 201 can be fully introduced into the first oil outlet. Oil is supplied to the first oil inlet part 101a at position 201a to ensure oil supply efficiency.

In addition, the second oil tank 202 is not connected with the first oil supply channel 201, which can also reduce the processing difficulty and improve the processing efficiency.

Optionally, the second oil groove 202 is a blind groove structure formed on the end surface of the orbiting scroll 200 .

In an embodiment of the present application, please refer to FIGS. 2 , 6 and 7 . The groove width dimension of the second oil groove 202 is the same as the groove width dimension of the first oil groove 101 .

In this embodiment, by making the groove width of the second oil groove 202 the same as the groove width of the first oil groove 101, sealing and excellent lubrication efficiency are ensured, and processing costs can be reduced at the same time.

In one embodiment of the present application, please refer to Figures 2, 6 and 7. A third oil groove 102 is also provided on the end surface of the fixed scroll 100. The third oil groove 102 is spaced apart from the first oil groove 101 and away from the scroll groove. 120 side; the first oil outlet 201a is periodically connected to the third oil tank 102, and the second oil tank 202 is not connected to the first oil tank 101 and the third oil tank 102.

According to the refrigerant pressure distribution, the first oil groove 101 close to the scroll groove 120 is a high-pressure oil groove, and the third oil groove 102 far away from the scroll groove 120 is a medium-pressure oil groove. In this embodiment, when the orbiting scroll 200 moves, it can drive the first oil outlet 201a to periodically communicate with the first oil tank 101 and the third oil tank 102 respectively, thereby supplying oil to the first oil tank 101 and the third oil tank 102 .

When the orbiting scroll 200 moves, it will drive the second oil tank 202 to move together. By setting the second oil tank 202 to not connect the first oil tank 101 and the third oil tank 102, it can prevent the high-pressure first oil tank 101 and the medium-pressure third oil tank from being connected. 102 to prevent the gas and liquid in the high-pressure area from flowing to the medium-pressure area and affecting the reliability of the cooperation between the movable scroll 200 and the fixed scroll 100 .

Optionally, the projection shape of the second oil groove 202 on the end surface of the orbiting scroll 200 is arc-shaped. The arc opening of the second oil groove 202 can be disposed toward the first oil outlet 201a. The extending direction of the second oil groove 202 forms an angle with the circumferential direction of the movable scroll 200, so that during the movement of the movable scroll 200, the second oil groove 202 can be driven to move the first oil outlet 201a. The second oil groove 202 sweeps along a wider sweeping line. This arrangement can increase the sweeping area and sweeping efficiency, and further improve the lubrication efficiency. Furthermore, the end of the second oil groove 202 away from the center of the orbiting scroll 200 can be no more than the circumference of the first oil outlet 201a. Such an arrangement can ensure that the second oil groove 202 will not interact with the medium pressure during the entire movement cycle. The third oil groove 102 is connected, which improves the structural reliability of the scroll.

In one embodiment, the first oil groove 101 is annularly surrounding the outer periphery of the vortex groove 120 , and the third oil groove 102 is annularly spaced around the outer periphery of the first oil groove 101 .

By surrounding the first oil groove 101 around the outer periphery of the fixed scroll teeth 110, the length of the first oil groove 101 is extended, the lubrication area is increased, and the lubrication effect is improved. Correspondingly, the third oil groove 102 is annularly surrounding the outer periphery of the first oil groove 101, so that the periphery of the fixed scroll 100 can be lubricated, and by arranging the third oil groove 102 and the first oil groove 101 at intervals, the high-pressure oil groove can be avoided. Air and oil flow between the medium pressure oil tank.

As an example, the third oil groove 102 includes two spaced annular oil grooves 1021 and a plurality of connecting grooves 1022 connecting the two annular oil grooves 1021 . The plurality of connecting grooves 1022 are distributed at intervals along the circumferential direction of the fixed scroll 100 . Such an arrangement can not only ensure the lubrication between the end surfaces of the fixed scroll 100 and the movable scroll 200, but also ensure the surface pressure between the fixed scroll 100 and the movable scroll 200, further improving the movable scroll. The reliability of the cooperation between the disc 200 and the fixed scroll 100.

In one embodiment of the present application, please refer to FIG. 1 and FIGS. 3 to 5 . The movable scroll 200 includes a movable scroll body 210 , movable scroll teeth 220 provided on the movable scroll body 210 , and an orbiting scroll 220 for cooperating with the crankshaft 400 . The eccentric bearing part 230; the first oil supply channel 201 is provided in the moving plate body 210, the first oil supply channel 201 is provided with a first oil inlet 201b, the first oil inlet 201b is located in the eccentric bearing part 230 or the moving plate body 210 On the side facing the eccentric bearing part 230, the first oil inlet 201b is connected with the outlet end of the oil suction passage 410. The first oil outlet 201a and the second oil groove 202 are both provided on the end surface of the movable plate body 210 facing the fixed scroll 100. superior.

This embodiment illustrates the structure of the orbiting scroll 200 . The orbiting scroll 220 and the eccentric bearing portion 230 are respectively provided at opposite ends of the orbiting scroll body 210 . The orbiting scroll 220 and the fixed scroll of the fixed scroll 100 The spiral teeth 110 mesh with each other, and the eccentric bearing part 230 is connected to the crankshaft 400. The crankshaft 400 drives the orbiting scroll 200 to rotate through the eccentric bearing part 230. It can be understood that an oil storage chamber is formed between the upper end of the crankshaft 400 and the eccentric bearing portion 230. The oil at the bottom of the casing 300 is pumped to the oil storage chamber through the oil suction channel 410. The first oil inlet of the first oil supply channel 201 201b is connected to the oil storage chamber, so that oil can be smoothly supplied to the first oil tank 101. The second oil groove 202 is provided on the end surface of the moving disk body 210 where the moving scroll teeth 220 are provided, so as to be in periodic communication with the first oil groove 101 to enhance lubrication.

In one embodiment, please refer to FIG. 5 , the first oil supply channel 201 extends along the radial direction of the moving plate body 210 .

In this embodiment, by arranging the first oil supply channel 201 to extend along the radial direction of the moving plate body 210, the path of the first oil supply channel 201 is effectively shortened, the flow efficiency of the lubricating oil is improved, and the flow efficiency of the lubricating oil is improved. The oil supply efficiency of the first oil tank 101 is beneficial to improving the reliability of the scroll compressor.

The utility model also proposes a refrigeration equipment. The refrigeration equipment includes a scroll compressor. The specific structure of the scroll compressor refers to the above-mentioned embodiments. Since this refrigeration equipment adopts all the technical solutions of all the above-mentioned embodiments, it at least has All the beneficial effects brought by the technical solutions of the above embodiments will not be repeated here. Optionally, the refrigeration equipment includes refrigerators, air conditioners, or cold chain trucks.

The above are only preferred embodiments of the present invention, and do not limit the patent scope of the present invention. Under the inventive concept of the present invention, equivalent structural transformations can be made using the contents of the description and drawings of the present invention, or direct/indirect applications. Other related technical fields are included in the patent protection scope of the present invention.

Claims (11)

1. A scroll compressor, characterized in that it includes: a fixed scroll, the end surface of which is provided with a first oil groove; and The movable scroll is rotatably connected to the fixed scroll, and cooperates with the fixed scroll to define a compression chamber; the movable scroll is provided with a first oil supply channel, and the first oil supply channel The oil channel is provided with a first oil outlet on the end surface of the orbiting scroll, and the first oil outlet is periodically connected to the first oil groove; The end face of the orbiting scroll is also provided with a second oil groove that is not connected to the first oil supply channel. The second oil groove is located on the side of the orbiting scroll close to the first oil outlet. , the second oil tank is adapted to periodically communicate with the first oil tank. 2. The scroll compressor according to claim 1, wherein the fixed scroll is provided with a scroll groove on a side facing the movable scroll, and the first oil groove at least partially surrounds the movable scroll. On the outer periphery of the vortex groove, the first oil groove is provided with a first oil inlet portion close to the suction end of the vortex groove, and the first oil inlet portion is located in the spiral extension direction of the vortex groove. ; The first oil outlet is in periodic communication with the first oil inlet, and the second oil groove is located between the first oil outlet and the suction end of the scroll groove. 3. The scroll compressor according to claim 2, wherein the second oil groove is in periodic communication with the first oil inlet portion. 4. The scroll compressor according to claim 1, wherein the projection shape of the second oil groove on the end surface of the orbiting scroll is arc-shaped; And/or, the flow cross-sectional shape of the second oil groove is arc-shaped, V-shaped or U-shaped. 5. The scroll compressor according to any one of claims 1 to 4, wherein a groove width dimension of the second oil groove is the same as a groove width dimension of the first oil groove. 6. The scroll compressor according to any one of claims 1 to 4, characterized in that a third oil groove is further provided on the end surface of the fixed scroll, and the third oil groove is spaced apart from the The side of the first oil groove away from the vortex groove; The first oil outlet is periodically connected to the third oil tank, and the second oil tank is not connected to the first oil tank and the third oil tank. 7. The scroll compressor according to claim 6, wherein the first oil groove is annularly surrounding the outer periphery of the scroll groove, and the third oil groove is annularly spaced around the third oil groove. The outer circumference of an oil tank. 8. The scroll compressor according to any one of claims 1 to 4, wherein the scroll compressor further includes a casing, which is disposed in the casing and connected with the movable scroll. The connected crankshaft has an oil pool at the bottom of the casing, an oil suction channel connected to the oil pool is provided in the crankshaft, and the outlet end of the oil suction channel is connected to the first oil supply channel. 9. The scroll compressor according to claim 8, wherein the orbiting scroll includes a orbiting plate body, orbiting scroll teeth provided on the orbiting plate body, and an orbiting scroll tooth for cooperating with the crankshaft. The eccentric bearing part; The first oil supply channel is provided in the moving plate body, and the first oil supply channel is provided with a first oil inlet. The first oil inlet is located in the eccentric bearing part or in the direction of the moving plate body. On one side of the eccentric bearing part, the first oil outlet and the second oil groove are all provided on the end surface of the movable disk body facing the fixed scroll. 10. The scroll compressor according to claim 9, wherein the first oil supply passage extends in a radial direction of the moving plate body. 11. Refrigeration equipment, characterized by comprising the scroll compressor according to any one of claims 1 to 10.