CN215333412U - Pump body structure, scroll compressor and air conditioner - Google Patents

Abstract

The utility model provides a pump body structure, scroll compressor and air conditioner, pump body structure includes: the vortex compressor comprises a fixed vortex disc, a movable vortex disc and a support, wherein a compression cavity is formed between the fixed vortex disc and the movable vortex disc, a back pressure cavity is formed between the movable vortex disc and the support, a communication channel is further arranged inside the movable vortex substrate, one end of the communication channel can be communicated with the compression cavity to suck gas from the compression cavity, and the other end of the communication channel can be communicated to a position between the movable vortex disc and the support and located on the radial outer side of the back pressure cavity to form a gas film between the movable vortex disc and the support. According to the invention, partial movable disc overturning moment is counteracted through the support reaction force formed between the movable disc and the support, so that the overturning force generated by the compression cavity acting on the radial outer side of the movable scroll is reduced, the overturning moment is reduced, and the condition that the movable scroll overturns can be effectively prevented.

Description

Pump body structure, scroll compressor and air conditioner

Technical Field

The disclosure relates to the technical field of compressors, in particular to a pump body structure, a scroll compressor and an air conditioner.

Background

Axial gas force is one of the main defects of the scroll compressor, mainly under the action of gas force of a compression cavity, the surface of a movable scroll plate is separated from the surface of a fixed scroll plate, leakage is generated, and the energy consumption of the compressor is reduced.

The compressor has the advantages that the reliability of the compressor is guaranteed when the introduced gas back pressure is small, the separation of the scroll plates is large, the performance of the compressor is reduced, the requirements on the machining precision of the end faces of the moving plate and the size precision of the movable space of the movable plate, which can be provided by the support, of the moving plate are greatly improved, the machining investment is large, and the service life of the compressor is shortened by the friction between the moving plate and the support.

The scheme that prior art exists is all to set up the backpressure hole on the driving disk in order to introduce the gas in the compression chamber to the backpressure chamber between driving disk and the support, in order to provide the backpressure to the driving disk, but its backpressure that provides usually is little, it produces the poor effect of power to offset the compression of moving quiet dish, and the backpressure chamber is usually at the position far away from the radial outer fringe of driving disk, the power of overturning between the moving quiet dish is usually acted on the driving disk edge, consequently, the backpressure in the current structure can't prevent effectively that the driving disk from taking place to overturn, there is the problem that the driving disk topples. And because there are friction and bring great consumption and noise problem in movable disk and support for the machining precision to the compressor support requires highly, makes the floating space limit of movable disk compress.

Because the scroll compressor among the prior art has back pressure chamber and backpressure hole and can't prevent effectively that the movable disk from taking place to overturn, has the movable disk technical problem such as overturn, consequently this disclosure research design a pump body structure, scroll compressor and air conditioner.

BRIEF SUMMARY OF THE PRESENT DISCLOSURE

Therefore, the technical problem to be solved by the present disclosure is to overcome the defect that the dynamic disk of the scroll compressor in the prior art cannot be effectively prevented from overturning due to the existence of the back pressure cavity and the back pressure hole, and the dynamic disk overturns, so as to provide a pump body structure, a scroll compressor and an air conditioner.

In order to solve the above problem, the present disclosure provides a pump body structure, which includes:

the vortex compressor comprises a fixed vortex disc, a movable vortex disc and a support, wherein a compression cavity is formed between the fixed vortex disc and the movable vortex disc, a back pressure cavity is formed between the movable vortex disc and the support, a communication channel is further arranged inside the movable vortex substrate, one end of the communication channel can be communicated with the compression cavity to suck gas from the compression cavity, and the other end of the communication channel can be communicated to a position between the movable vortex disc and the support and located on the radial outer side of the back pressure cavity to form a gas film between the movable vortex disc and the support.

In some embodiments, the orbiting scroll comprises an orbiting scroll wrap and an orbiting scroll base plate, the orbiting scroll wrap being disposed on the orbiting scroll base plate, and the orbiting scroll base plate comprising a first radially outer section opposite the bracket in an axial direction of the orbiting scroll, the bracket comprising a second radially outer section opposite the first radially outer section in the axial direction; the first radially outer section and the second radially outer section are both located radially outward of the back pressure cavity;

the communication passage is provided inside the orbiting scroll base plate, and the other end of the communication passage is communicable between the first radially outer section and the second radially outer section to form a gas film between the first radially outer section and the second radially outer section.

In some embodiments, the communication channel includes a first bleed air channel, an intermediate channel, and a jet channel, one end of the first bleed air channel communicates with the compression cavity, the other end communicates with the intermediate channel, the intermediate channel opens inside the orbiting scroll base plate, and one end of the jet channel communicates with the intermediate channel, the other end communicates with an end surface of the second radially outer section opposite to the first radially outer section.

In some embodiments, the first bleed air channel extends along the axial direction and the injection channel extends along the axial direction.

In some embodiments, the intermediate channel includes second bleed air passageway and annular, the second bleed air passageway is in the inside extension of vortex base plate moves, just the one end of second bleed air passageway with first bleed air passageway intercommunication, the other end with the annular intercommunication, the annular is the groove that the annular extends, the annular with jet passage intercommunication.

In some embodiments, the second bleed air passage extends perpendicular to the axial direction, and the annular groove is an arc-shaped annular groove centered at the center of the movable scroll in the cross section of the movable scroll.

In some embodiments, the injection channel is an arc-shaped slot centered on the center of the orbiting scroll.

In some embodiments, the annular is two, second bleed passageway with first bleed passageway is two, just first bleed passageway with second bleed passageway one-to-one, second bleed passageway with the annular one-to-one, first bleed passageway second bleed passageway with the annular communicates in proper order.

In some embodiments, the pump body structure further includes a rotation limiting assembly, a key groove capable of being matched with the rotation limiting assembly is further provided on the movable vortex substrate, one of the ring grooves is located on one side of the circumferential direction of the key groove, and the other of the ring grooves is located on the other side of the circumferential direction of the key groove.

In some embodiments, the circular angle of the ring grooves ranges from (0,180 °), the key grooves are two and are symmetrically disposed with respect to the center of the orbiting scroll, and the two ring grooves are symmetrically disposed with respect to the center of the orbiting scroll.

In some embodiments, further comprising an annular groove formation, a portion of the first radially outer section opposite the second radially outer section forming a gap, the annular groove formation being disposed at the gap to form the injection channel and the annular groove with the first radially outer section.

In some embodiments, the ring groove forming member has an L-shaped configuration in a cross section passing through the axis of the orbiting scroll, so that the injection passage is connected to the ring groove to form an L-shaped groove.

The present disclosure also provides a scroll compressor including the pump body structure of any one of the preceding claims.

The present disclosure also provides an air conditioner including the scroll compressor of any one of the preceding claims.

The utility model provides a pair of pump body structure, scroll compressor and air conditioner have following beneficial effect:

the movable scroll plate comprises a support, a movable scroll plate support, a connecting channel, a back pressure cavity, a support counter force, a support and a support, wherein the connecting channel is formed in the movable scroll plate, and the other end of the connecting channel is positioned at the position outside the back pressure cavity in the radial direction; the contact between the movable scroll and the support can be isolated through the air film formed between the support and the movable scroll, so that the friction between the movable scroll and the support is effectively reduced, and the problems of high power consumption and friction noise caused by friction are solved; and because the contact and the friction between the movable scroll and the support are isolated, the processing precision of the support can be effectively reduced, the floating space of the movable scroll is increased, and the operation reliability of the compressor is improved.

Drawings

FIG. 1 is a partial longitudinal internal cross-sectional view of a scroll compressor pump body structure of the present disclosure;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is a front longitudinal cross-sectional view of the orbiting scroll of FIG. 1;

FIG. 4 is a bottom plan view of the orbiting scroll of FIG. 1.

The reference numerals are represented as:

1. a fixed scroll; 2. a movable scroll; 3. a support; 4. a shaft system; 5. a compression chamber; 6. a back pressure chamber; 21. a movable vortex substrate; 22. a movable scroll wrap; 23. a first radially outer section; 24. a keyway; 31. a second radially outer section; 202. a ring groove forming part; 100. a communication channel; 2-4, a first bleed air channel; 200. a middle channel; 2-1, a second bleed air channel; 2-2, a ring groove; 2-3, injection channel.

Detailed Description

As shown in fig. 1-4, the present disclosure provides a pump body structure comprising:

the scroll compressor comprises a fixed scroll 1, a movable scroll 2 and a support 3, wherein a compression cavity 5 is formed between the fixed scroll 1 and the movable scroll 2, a back pressure cavity 6 is formed between the movable scroll 2 and the support 3, a communication channel 100 is further arranged inside the movable scroll 2, one end of the communication channel 100 can be communicated with the compression cavity 5 to suck gas from the compression cavity, and the other end of the communication channel 100 can be communicated to a position between the movable scroll 2 and the support 3 and located on the radial outer side of the back pressure cavity 6 to form a gas film between the movable scroll 2 and the support 3.

The movable scroll plate comprises a support, a movable scroll plate support, a connecting channel, a back pressure cavity, a support counter force, a support and a support, wherein the connecting channel is formed in the movable scroll plate, and the other end of the connecting channel is positioned at the position outside the back pressure cavity in the radial direction; the contact between the movable scroll and the support can be isolated through the air film formed between the support and the movable scroll, so that the friction between the movable scroll and the support is effectively reduced, and the problems of high power consumption and friction noise caused by friction are solved; and because the contact and the friction between the movable scroll and the support are isolated, the processing precision of the support can be effectively reduced, the floating space of the movable scroll is increased, and the operation reliability of the compressor is improved.

The traditional scroll compressor only carries out fine adjustment on the design of a back pressure part on the basis of experience accumulation, mainly ensures the precision of a movable disc, a fixed disc and a bracket, achieves the limit on the floating space of the movable disc with better precision, and has no obvious effect on the overturning effect of the movable disc; reduce driving disk floating space and can cause the wearing and tearing of driving disk terminal surface, traditional compressor can only guarantee the contact of minimizing between the terminal surface through oil lubrication effect, consequently great to the oil demand, in case lack of oil sound dish wearing and tearing rapidly.

The backpressure floating structure mainly aims at inhibiting the abrasion of the movable disc and the bracket when the backpressure is insufficient, ensuring that the bracket is not in contact with the bottom of the movable disc under various conditions and ensuring the backpressure environment.

The backpressure floating structure of the invention forms an air film between the backpressure floating structure and the bracket, and the air film generates a reaction force to the movable disc, so that the edge part of the movable disc generates an upward reaction force, thereby offsetting the overturning moment effect generated by the air force and ensuring the stable operation of the movable disc.

In some embodiments, the orbiting scroll 2 includes an orbiting scroll wrap 22 and an orbiting scroll base plate 21, the orbiting scroll wrap 22 is provided on the orbiting scroll base plate 21, and the orbiting scroll base plate 21 includes a first radially outer section 23 opposite to the bracket 3 in an axial direction of the orbiting scroll 2, and the bracket 3 includes a second radially outer section 31 opposite to the first radially outer section 23 in the axial direction; the first and second radially outer sections 23, 31 are both located radially outside the back pressure chamber 6;

the communication passage 100 is provided inside the orbiting scroll base plate 21, and the other end of the communication passage 100 is communicable between the first radially outer section 23 and the second radially outer section 31 to form a gas film between the first radially outer section 23 and the second radially outer section 31.

The preferable opening position and the opening mode of the communicating channel are that the position of the movable scroll plate at the radial outer side is a first radial outer side section, the position of the support opposite to the first radial outer side section is a second radial outer side section, the first radial outer side section and the second radial outer side section are both positioned at the outer side of the backpressure cavity, the first radial outer side section and the second radial outer side section are connected in the prior art, two end faces are connected, large friction can be generated at the position, and the movable scroll plate can still be overturned by the overturning force and the moment generated in the compression cavity, one end of the communicating channel is arranged at the position at the radial outer side of the communicating channel, gas in the compression cavity is introduced between the first radial outer side section and the second radial outer side section, a gas film can be formed between the radial outer end of the movable scroll plate and the radial outer end of the support, the overturning moment is counteracted, and the friction between the support and the movable scroll plate is reduced, reduce consumption and noise, and the machining precision of the up end of support can suitably reduce, and it is bigger to move the floating space of vortex dish, does benefit to the compression process.

In some embodiments, the communication channel 100 includes a first bleed air channel 2-4, an intermediate channel 200, and an injection channel 2-3, the first bleed air channel 2-4 communicates with the compression chamber 5 at one end and communicates with the intermediate channel 200 at the other end, the intermediate channel 200 opens inside the orbiting scroll base 21, and the injection channel 2-3 communicates with the intermediate channel 200 at one end and communicates with the second radially outer section 31 at an end surface opposite to the first radially outer section 23. This is the preferred form of construction of the communication passage of the present disclosure, namely a first bleed air passage communicating with the compression chamber and an injection passage communicating with the lower end face of the orbiting scroll, and an intermediate passage, such that high or medium pressure gas drawn into the compression chamber through the first bleed air passage passes through the transfer function of the intermediate passage into the end face space between the first and second radially outer sections for injection into the injection passage to form a gas film thereat.

In some embodiments, the first bleed air channel 2-4 extends in the axial direction and the injection channel 2-3 extends in the axial direction. This is the preferred form of construction of the first bleed air passage and the injection passage of the present disclosure, i.e. the first bleed air passage extends in the axial direction of the orbiting scroll and is capable of introducing gas axially from inside the compression chamber, and the injection passage extends along the axis and is capable of injecting gas axially to the end face between the first and second radially outer sections to enhance the impact force of the gas, effectively forming a gas film, insulating the support and the orbiting scroll.

In some embodiments, the middle channel 200 includes a second bleed air channel 2-1 and an annular groove 2-2, the second bleed air channel 2-1 extends inside the movable scroll base plate 21, one end of the second bleed air channel 2-1 is communicated with the first bleed air channel 2-4, the other end is communicated with the annular groove 2-2, the annular groove 2-2 is an annularly extending groove, and the annular groove 2-2 is communicated with the injection channel 2-3. This is the preferred structural style of this disclosed intermediate channel, and the second causes the passageway to be arranged in introducing gas from first bleed air passageway, and the annular extends along the annular on moving the vortex dish, can increase the area of action of the gas that distributes on moving the terminal surface between vortex dish and the support to make the gas pressure distribution that acts between moving the vortex dish and the support more even, improve the effect that the gas film of outside section formed, the problem of toppling is solved more thoroughly, and friction and noise problem are solved more thoroughly also.

The movable disc main body is provided with a small air-entraining hole (a first air-entraining channel 2-4) and a transverse air-entraining hole (a second air-entraining channel 2-1), the small air-entraining hole is communicated with the transverse air-entraining hole, the transverse air-entraining hole is communicated with an annular groove 2-2 which takes the key groove as a dividing point, and the annular grooves are not communicated; the movable disc is provided with an airflow outlet (an injection channel 2-3) which is communicated with the annular groove 2-2, and the movable disc is supported by the bracket as a whole.

In some embodiments, the second bleed air channel 2-1 extends perpendicular to the axial direction, and in the cross section of the movable scroll 2, the annular groove 2-2 is an arc-shaped groove centered at the center of the movable scroll 2. This is a further preferred form of construction of the second bleed air duct of the present disclosure, i.e. as shown in fig. 2-4, it extends in the horizontal direction, the annular groove is an arc-shaped groove that takes the center of the movable scroll as the center of circle, which can improve the uniformity of the area of action acting on the bracket, and since the shape of the bracket matches the shape of the movable scroll, the arc-shaped groove that takes the center of the movable scroll as the center of circle of the present disclosure can improve the uniformity of action acting on the end face of the bracket.

In some embodiments, the injection passage 2-3 is an arc-shaped annular groove centered on the center of the orbiting scroll 2. This is the preferred structural style of injection passageway of this disclosure, through set up it as the arc annular of centre of a circle along the center of moving vortex dish, can increase the area that injection passageway acted on the support, can strengthen the power that the gas acted on between the relative radial outside terminal surface of moving vortex dish and support, strengthen the air film, improve the degree that reduces the power of overturning, and improve the degree that reduces friction and noise.

The injection channel of the present disclosure may also be a single groove extending in the axial direction, and a plurality of axial groove structures spaced apart in the circumferential direction.

In some embodiments, annular 2-2 is two, second bleed passageway 2-1 with first bleed passageway 2-4 is two, just first bleed passageway 2-4 with second bleed passageway 2-1 one-to-one, second bleed passageway 2-1 with annular 2-2 one-to-one, first bleed passageway 2-4, second bleed passageway 2-1 with annular 2-2 communicates in proper order. The two annular grooves, the two first air-entraining channels and the two second air-entraining channels can form two gas action air films in the circumferential direction, improve the distribution area of the air films at the bottom of the movable scroll plate, improve the acting force on the radial outer side, further reduce the overturning force and reduce the friction and the noise.

In some embodiments, the pump body structure further includes a rotation limiting assembly, a key groove 24 capable of being matched with the rotation limiting assembly is further disposed on the movable scroll base plate 21, one of the ring grooves 2-2 is located on one side of the key groove 24 in the circumferential direction, and the other ring groove 2-2 is located on the other side of the key groove 24 in the circumferential direction. As shown in fig. 4, the number of the ring grooves is two, one is located on one side of the two key grooves, and the other is located on the other side of the two key grooves, so that the ring grooves are arranged on the radial outer side of the movable scroll in the circumferential direction as far as possible, and the action area of introducing gas is increased.

In some embodiments, the circular center angle of the ring grooves 2-2 ranges from (0,180 °), the key grooves 24 are two and are symmetrically disposed with respect to the center of the orbiting scroll 2, and the two ring grooves 2-2 are symmetrically disposed with respect to the center of the orbiting scroll 2. This is the further preferred structural style of the annular groove of this disclosure, and two annular grooves, no more than 180, are respectively for the centrosymmetry of vortex dish that moves, and two keyways are also for centrosymmetry for the gas film distribution is more even, and the gas effort is more even reliable.

In some embodiments, further comprising a ring groove formation 202, a portion of the first radially outer section 23 opposite the second radially outer section 31 forming a gap, the ring groove formation 202 being provided at the gap to form the injection channel 2-3 and the ring groove 2-2 with the first radially outer section 23. This openly still through the setting of annular formed part, can form injection passage and annular with the radial outside section effect of first, such split type structure helps manufacturing, avoids offering a plurality of complicated holes and leading to the inconvenient problem of processing inside the vortex dish that moves.

In some embodiments, the ring groove forming member 202 has an L-shaped structure in a cross section passing through the axis of the orbiting scroll 2, so that the injection passage 2-3 is connected to the ring groove 2-2 to form an L-shaped groove. This is the preferred structure of the ring groove of this disclosure, through the setting of the ring groove forming part, makes the connection of injection passageway and ring groove form L-shaped on the longitudinal section.

The present disclosure also provides a scroll compressor including the pump body structure of any one of the preceding claims.

The back pressure floating structure comprises a static vortex disc 1, a movable vortex disc 2, a support 3, a shaft system 4 and a compression cavity 5, wherein the bottom of an upper tooth of the movable disc is provided with two small holes (a first air-entraining channel 2-4), the holes do not penetrate through the whole movable disc, the lower ends of the holes are connected with a transverse hole (a second air-entraining channel 2-1), the transverse hole is communicated with the edge of the movable disc, the shorter the transverse hole is, the better the transverse hole is, and the influence on the rigidity of a movable disc substrate is avoided; the edge of the movable disc is provided with an L-shaped groove; the movable disc is connected with the ring groove forming part 202 into a whole, an annular communicated inner groove (ring groove 2-2) is formed inside the ring groove forming part 202 and the movable disc after assembly, the ring groove 2-2 takes a key groove as a boundary point, the angle of the ring groove is smaller than 180 degrees, the ring grooves 2-2 are not communicated, a gas jet hole (jet channel 2-3) is arranged below the ring groove 2-2 and on the back surface of the base plate, the sectional area of the gas jet hole is smaller than that of the ring groove 2-2, and a gas film can be formed between the movable disc and the support after certain pressure gas is jetted out.

The backpressure floating structure disclosed by the invention can lead the gas in the compression cavity to the annular groove 2-2, the annular groove 2-2 can be fully filled after being dispersed, and the gas can be sprayed out from the gas spraying port (the spraying channel 2-3) under the pressure action, when the sprayed gas is on the surface of the bracket 3, a gas film is formed between the movable vortex disc 2 and the bracket 3 under the action of gas force, and the gas film reacts on the movable disc to form supporting reaction force so as to counteract the overturning moment action of the movable disc.

The present disclosure also provides an air conditioner including the scroll compressor of any one of the preceding claims.

The above description is only exemplary of the present disclosure and should not be taken as limiting the disclosure, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present disclosure should be included in the scope of the present disclosure. The foregoing is only a preferred embodiment of the present disclosure, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present disclosure, and these modifications and variations should also be regarded as the protection scope of the present disclosure.

Claims (14)

1. A pump body structure, its characterized in that: the method comprises the following steps:

the vortex plate comprises a fixed vortex plate (1), a movable vortex plate (2) and a support (3), wherein a compression cavity (5) is formed between the fixed vortex plate (1) and the movable vortex plate (2), a back pressure cavity (6) is formed between the movable vortex plate (2) and the support (3), a communication channel (100) is further arranged inside the movable vortex plate (2), one end of the communication channel (100) can be communicated with the compression cavity (5) to suck gas from the compression cavity, and the other end of the communication channel (100) can be communicated to a position between the movable vortex plate (2) and the support (3) and located on the radial outer side of the back pressure cavity (6) to form a gas film between the movable vortex plate (2) and the support (3).

2. The pump body structure according to claim 1, wherein:

the movable scroll (2) comprises a movable scroll wrap (22) and a movable scroll base plate (21), the movable scroll wrap (22) is arranged on the movable scroll base plate (21), the movable scroll base plate (21) comprises a first radial outer section (23) opposite to the bracket (3) in the axial direction of the movable scroll (2), and the bracket (3) comprises a second radial outer section (31) opposite to the first radial outer section (23) in the axial direction; -said first radially outer section (23) and said second radially outer section (31) are both located radially outside said back pressure chamber (6);

the communication passage (100) is provided inside the orbiting scroll base plate (21), and the other end of the communication passage (100) is communicable between the first radially outer section (23) and the second radially outer section (31) to form a gas film between the first radially outer section (23) and the second radially outer section (31).

3. The pump body structure according to claim 2, wherein:

the communication channel (100) comprises a first air-entraining channel (2-4), a middle channel (200) and an injection channel (2-3), one end of the first air-entraining channel (2-4) is communicated with the compression cavity (5), the other end of the first air-entraining channel is communicated with the middle channel (200), the middle channel (200) is arranged in the movable vortex base plate (21), one end of the injection channel (2-3) is communicated with the middle channel (200), and the other end of the injection channel is communicated to the end face, opposite to the first radial outer section (23), on the second radial outer section (31).

4. The pump body structure according to claim 3, wherein:

the first bleed air channel (2-4) extends in the axial direction, and the injection channel (2-3) extends in the axial direction.

5. The pump body structure according to claim 3, wherein:

middle passageway (200) include second bleed passageway (2-1) and annular (2-2), second bleed passageway (2-1) is in move the inside extension of vortex base plate (21), just the one end of second bleed passageway (2-1) with first bleed passageway (2-4) intercommunication, the other end with annular (2-2) intercommunication, annular (2-2) are the groove that the annular extends, annular (2-2) with jet passage (2-3) intercommunication.

6. The pump body structure according to claim 5, wherein:

the second air-entraining channel (2-1) extends along the direction perpendicular to the axial direction, and in the cross section of the movable scroll (2), the annular groove (2-2) is an arc-shaped groove taking the center of the movable scroll (2) as the center of a circle.

7. The pump body structure according to claim 6, wherein:

the injection channel (2-3) is an arc-shaped annular groove which takes the center of the movable scroll (2) as the center of a circle.

8. The pump body structure according to any one of claims 5 to 7, wherein:

annular (2-2) are two, second bleed passageway (2-1) with first bleed passageway (2-4) are two, just first bleed passageway (2-4) with second bleed passageway (2-1) one-to-one, second bleed passageway (2-1) with annular (2-2) one-to-one, first bleed passageway (2-4), second bleed passageway (2-1) with annular (2-2) communicate in proper order.

9. The pump body structure according to claim 8, wherein:

the pump body structure still includes the spacing subassembly of rotation, move on vortex base plate (21) still be provided with can with spacing subassembly complex keyway of rotation (24), one annular (2-2) are located one side of the circumferencial direction of keyway (24), another annular (2-2) are located the opposite side of the circumferencial direction of keyway (24).

10. The pump body structure according to claim 9, wherein:

the central angle range of the ring grooves (2-2) is (0,180 degrees), the number of the key grooves (24) is two, the key grooves are symmetrically arranged relative to the center of the movable scroll (2), and the number of the ring grooves (2-2) is symmetrically arranged relative to the center of the movable scroll (2).

11. The pump body structure according to any one of claims 5 to 7, wherein:

still include annular shaped part (202), the part that the first radial outside section (23) is relative with second radial outside section (31) forms the breach, annular shaped part (202) set up in the breach with form between first radial outside section (23) injection passageway (2-3) with annular (2-2).

12. The pump body structure according to claim 11, wherein:

in a cross section passing through the axis of the movable scroll (2), the annular groove forming part (202) is of an L-shaped structure, so that the injection channel (2-3) is connected with the annular groove (2-2) to form an L-shaped groove.

13. A scroll compressor characterized by: comprising a pump body structure according to any one of claims 1-12.

14. An air conditioner, characterized in that: including the scroll compressor of claim 13.

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