CN210290138U - Compressor pump body structure and rotor compressor - Google Patents
Compressor pump body structure and rotor compressor Download PDFInfo
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- CN210290138U CN210290138U CN201920857772.5U CN201920857772U CN210290138U CN 210290138 U CN210290138 U CN 210290138U CN 201920857772 U CN201920857772 U CN 201920857772U CN 210290138 U CN210290138 U CN 210290138U
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Abstract
The utility model relates to a compressor pump body structure and a rotor compressor, the compressor pump body structure comprises a rotating shaft, an eccentric roller and a cylinder; the eccentric roller is arranged in the cylinder; the eccentric roller comprises an eccentric hole and an eccentric part; the eccentric roller is provided with an eccentric hole along the axial direction, and an eccentric part is formed on one side of the eccentric hole of the eccentric roller; the rotating shaft penetrates through the eccentric hole and can drive the eccentric roller to rotate in the cylinder; the utility model provides a compressor pump body structure and rotor compressor, structural design is simple, reasonable, cancels the pivot eccentric part, and sets up the roller into eccentric roller, can enough make the pivot drive the roller rotatory like this to guarantee not to produce wearing and tearing between pivot and the roller, can make the sealed distance of baffle and roller again strengthen, guarantee effectively sealed between the working chamber of cylinder and the hole of baffle, improve double-cylinder compressor's performance.
Description
Technical Field
The utility model relates to a compressor technical field especially relates to a compressor pump body structure and rotor compressor.
Background
As shown in fig. 1 and 2, in a conventional twin-cylinder rotor compressor, a pump body mechanism is generally configured as a crankshaft having an upper eccentric portion and a lower eccentric portion, and each eccentric portion is sleeved with an inner concentric roller and an outer concentric roller; therefore, when the pump body of the structure operates, the outer wall of the eccentric part of the crankshaft and the inner wall of the concentric roller generate circumferential relative friction, so that the abrasion of parts is increased, and the extra operating power consumption is increased, thereby reducing the performance and the reliability of the compressor; in addition, in the process of assembling the pump body of the double-cylinder compressor, a pump body partition plate is required to be arranged between two eccentric parts of the crankshaft to separate two cylinder working cavities, and the need to ensure that the pump body partition plate can be placed between the two eccentric parts of the crankshaft is considered, so that the bore diameter of an inner bore of the pump body partition plate is required to be larger than the outer diameter of the eccentric part of the crankshaft, the sealing between the pump body partition plate and the upper and lower concentric rollers is influenced, the gas leakage between the two working cavities is increased, and the working performance of the compressor is reduced; meanwhile, the limitation of the eccentric amount by the pump body structure adopting the crankshaft and the concentric roller also limits the development of miniaturization and high efficiency of the compressor.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving the problem of wearing and tearing between current compressor pivot and the roller.
The utility model mainly aims at providing a compressor pump body structure, which comprises a rotating shaft, an eccentric roller and a cylinder; the eccentric roller is arranged in the cylinder; the eccentric roller comprises an eccentric hole and an eccentric part; the eccentric roller is provided with an eccentric hole along the axial direction, and an eccentric part is formed on one side of the eccentric hole of the eccentric roller; the rotating shaft passes through the eccentric hole and can drive the eccentric roller to rotate in the cylinder.
Further, the cylinders include a first cylinder and a second cylinder; the eccentric rollers include a first eccentric roller and a second eccentric roller; a partition plate is arranged between the first cylinder and the second cylinder; the first eccentric roller is arranged in the first cylinder, and the second eccentric roller is arranged in the second cylinder; the rotating shaft penetrates through the first eccentric roller, the partition plate and the second eccentric roller and can drive the first eccentric roller to rotate in the first cylinder and drive the second eccentric roller to rotate in the second cylinder.
Furthermore, the first eccentric roller is provided with a first eccentric part along one side of the eccentric hole thereof, and the second eccentric roller is provided with a second eccentric part along one side of the eccentric hole thereof; the eccentric direction of the first eccentric portion is opposite to that of the second eccentric portion.
Furthermore, a first matching section and a second matching section are arranged on the rotating shaft; the rotating shaft is connected with the eccentric hole of the first eccentric roller in a radial clamping manner through the first matching section, and the rotating shaft is connected with the eccentric hole of the second eccentric roller in a radial clamping manner through the second matching section.
Furthermore, the partition board is provided with a through hole, and the inner diameter of the through hole is larger than the outer diameter of the rotating shaft; the first matching section, the second matching section, the eccentric hole and the through hole are coaxially arranged.
Furthermore, the rotating shaft is connected with the inner wall of the eccentric hole through a limiting groove and a limiting block.
Furthermore, a limiting groove is formed in the inner wall of the eccentric hole, a limiting block is arranged on the outer wall of the rotating shaft, and the rotating shaft is clamped in the limiting groove through the limiting block; or the inner wall of the eccentric hole is provided with a limiting block, the outer wall of the rotating shaft is provided with a limiting groove, and the rotating shaft is connected with the limiting block in a clamping manner through the limiting groove; or the inner wall of the eccentric hole is provided with a first limit groove, the outer wall of the rotating shaft is provided with a second limit groove, and the rotating shaft and the eccentric roller are clamped in the first limit groove and the second limit groove through limit blocks to be connected.
Furthermore, the limiting groove is a groove, and the limiting block is a bulge; or the limiting groove is a semicircular groove, and the limiting block is a semicircular bulge; or the limiting groove is a key groove, and the limiting block is a key block.
Another object of the present application is to provide a compressor pump body assembling method, comprising the following processes:
s1: sleeving a first eccentric roller on a first matching section of a rotating shaft through a limiting structure;
s2: then the partition plate is arranged between the first matching section and the second matching section of the rotating shaft;
s3: then, sleeving a second eccentric roller on a second matching section of the rotating shaft through a limiting structure to form a pump body assembly body;
s4: and finally, mounting the assembled pump body assembly body in a cylinder of the rotor compressor.
The utility model provides a rotor compressor, including compressor pump body structure, compressor pump body structure is the aforesaid compressor pump body structure.
The utility model provides a compressor pump body structure, assembly method and rotor compressor, structural design is simple, reasonable, cancels the pivot eccentric portion, and sets up the roller into eccentric roller, can enough make the pivot drive the roller rotatory like this to guarantee not to produce wearing and tearing between pivot and the roller, can make the sealed distance of baffle and roller strengthen again, guarantee effectively sealed between the working chamber of cylinder and the hole of baffle, improve double-cylinder compressor's performance.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of a pump body structure of a compressor in the prior art;
FIG. 2 is an enlarged view of portion A of FIG. 1;
fig. 3 is a schematic structural view of a compressor pump body according to the present invention;
FIG. 4 is an enlarged view of portion B of FIG. 4;
fig. 5 is a schematic view of the assembly of the rotating shaft, the eccentric roller and the partition board provided by the present invention;
fig. 6 is a schematic view of the structure of the rotating shaft provided by the present invention;
fig. 7 is a first schematic view of an embodiment of an eccentric roller structure provided by the present invention;
fig. 8 is a second schematic view of an embodiment of an eccentric roller structure provided by the present invention;
fig. 9 is a schematic view of an embodiment of an eccentric roller structure according to the present invention.
In the figure: 1. the utility model discloses a long shaft section of a rotating shaft; 11. a first mating segment; 12. a second mating segment; 2. the utility model discloses an eccentric roller; 21. an eccentric hole; 22. a groove; 23. a protrusion; 24. a projection; 5. the utility model discloses a short shaft section of a rotating shaft; 6. the utility model discloses a baffle; 7. the utility model has a semicircular bulge; 8. the utility model discloses a key block; 9. a first cylinder; 10. a second cylinder; 100. a long shaft section of a rotating shaft in the prior art; 200. a roller in the prior art; 300. a first eccentric portion of the prior art; 400. a second eccentric portion of the prior art; 500. a short shaft section of a rotating shaft in the prior art; 600. prior art separators; 700. a first cylinder of the prior art; 800. the second cylinder of the prior art.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiment of the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
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. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or quantity or location.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
Example 1
As shown in fig. 3 to 9, the present invention provides a pump body structure of a compressor, which includes a rotating shaft, an eccentric roller and a cylinder; the rotating shaft comprises a rotating shaft long shaft section 1 and a rotating shaft short shaft section 5; the eccentric roller 2 is rotatably arranged in a cylinder of the compressor; specifically, the eccentric roller 2 includes an eccentric hole and an eccentric portion; the eccentric roller is provided with an eccentric hole 21 along the axial direction, the design of the eccentric hole 21 enables the eccentric roller 2 to be provided with a roller outer circle and a roller inner circle which is eccentric relative to the outer circle, an eccentric part is formed between the roller outer circle and the roller inner circle, namely the eccentric hole 21 enables the eccentric roller 2 to be provided with the eccentric part along one side of the eccentric hole 21; the axial length section 1 of the rotating shaft penetrates through the eccentric hole 21 and can drive the eccentric roller 2 to rotate in the cylinder, so that the rotating shaft can drive the eccentric part of the eccentric roller 2 to rotate in the cylinder, and gas in the cylinder is compressed; by adopting the scheme, the eccentric part on the rotating shaft is cancelled, the rotating shaft is changed into a concentric circle structure, the roller provided with the eccentric part is concentrically arranged with the rotating shaft, the rotating shaft structure is simplified, the abrasion between the rotating shaft and the roller is reduced, and the limitation of the crankshaft structure on the eccentric amount of the compressor is cancelled, so that the displacement of the compressor is favorably improved.
Preferably, in combination with the above scheme, as shown in fig. 3 to 9, in the present embodiment, the cylinders include a first cylinder 9 and a second cylinder 10; wherein the eccentric roller 2 includes a first eccentric roller and a second eccentric roller; a partition plate 6 is arranged between the first cylinder 9 and the second cylinder 10; the first eccentric roller is arranged in the first air cylinder 9, and the second eccentric roller is arranged in the second air cylinder 10; a rotating shaft long shaft section 1 of the rotating shaft penetrates through the first eccentric roller, the partition plate 6 and the second eccentric roller, and can drive the first eccentric roller to rotate in the first cylinder 9 and drive the second eccentric roller to rotate in the second cylinder 10; specifically, two eccentric rollers 2 are respectively arranged on the rotating shaft, the eccentric rollers 2 are respectively arranged in two cylinders of the compressor, and a partition plate 6 is arranged on the rotating shaft and is placed between the two cylinders; the utility model provides a pump body structure, pivot adopt concentric shaft structure simultaneously with two eccentric rollers in two cylinders, can effectively break through the restriction of prior art double-cylinder rotary compressor structure like this, under the prerequisite of guaranteeing the leakproofness, through the increase eccentricity, the compressor design of the bigger discharge capacity is realized to the structural realization of the same cylinder, is favorable to the development of double-cylinder compressor miniaturization, low cost.
Preferably, in combination with the above solutions, as shown in fig. 3 to 9, in the present embodiment, the eccentric roller 2 is formed with an eccentric portion along one side of its eccentric hole 21, and the thicker side of the eccentric portion is a protruding portion 24; specifically, the first eccentric roller is formed with a first eccentric portion along one side of its eccentric hole, and the second eccentric roller is formed with a second eccentric portion along one side of its eccentric hole; the eccentric direction of the first eccentric part is opposite to that of the second eccentric part, namely the convex part of the first eccentric part and the convex part of the second eccentric part are respectively positioned at two symmetrical sides of the rotating shaft.
Preferably, in combination with the above solutions, as shown in fig. 3 to 9, in this embodiment, the rotating shaft is provided with a matching section, and the matching section is arranged between the rotating shaft long shaft section 1 and the rotating shaft short shaft section 5; the matching section specifically comprises a first matching section 11 and a second matching section 12; the rotating shaft is in clamping connection with an eccentric hole of the first eccentric roller along the radial direction through a first matching section 11, and is in clamping connection with an eccentric hole of the second eccentric roller along the radial direction through a second matching section 12; the above design is adopted.
Preferably, in combination with the above scheme, as shown in fig. 3 to 9, in this embodiment, the partition plate 6 is provided with a through hole, and an inner diameter of the through hole is greater than an outer diameter of the rotating shaft, specifically: the inner diameter of the through hole of the partition board 6 is slightly larger than the shaft diameter of the matching section of the rotating shaft, so that the partition board 6 can pass through the rotating shaft and be placed between the first matching section 11 and the second matching section 12; the first matching section 11, the second matching section 2, the eccentric hole 21 and the through hole are coaxially arranged to form a coaxial structure; by adopting the coaxial structure, the diameter of the through hole of the partition plate 6 is reduced, the effective sealing distance with the eccentric roller 2 is increased, and the leakage amount can be reduced and the unit refrigerating capacity of the double-cylinder compressor can be improved by adopting the corresponding structure and a reasonable assembly mode; in the embodiment, the rotating shaft, the eccentric roller and the partition plate of the pump body structure are of a concentric shaft structure, and the diameter of the through hole of the partition plate is only slightly larger than that of the matching section of the rotating shaft, so that the sealing performance of the working cavity of the air cylinder and the through hole of the partition plate can be ensured; on the other hand, the concentric shaft structure can break through the limitation of the double-cylinder rotary compressor structure in the prior art, and on the premise of ensuring the sealing performance of the compressor cylinder, the design of the compressor with larger displacement is realized on the same cylinder structure by increasing the eccentric amount of the eccentric roller, thereby being beneficial to the development of the miniaturization and the low cost of the double-cylinder compressor.
Preferably, in combination with the above scheme, as shown in fig. 3 to 9, in this embodiment, the rotating shaft is connected with the inner wall of the eccentric hole 21 through a limiting groove and a limiting block, so as to perform connection and limiting in the radial direction; by adopting the scheme, the eccentric roller is connected with the rotating shaft through the limiting groove and the limiting block, so that the friction between the inner wall of the eccentric roller and the outer wall of the rotating shaft is limited, and the operation power consumption is reduced; meanwhile, the matching part between the eccentric roller and the rotating shaft is not abraded, so that the reliability of the compressor can be improved.
Preferably, in combination with the above scheme, as shown in fig. 3 to 9, in this embodiment, a limiting groove is formed on an inner wall of the eccentric hole 21, a limiting block is arranged on an outer wall of the rotating shaft, and the rotating shaft is clamped in the limiting groove by the limiting block; or, the inner wall of the eccentric hole 21 is provided with a limiting block, the outer wall of the rotating shaft is provided with a limiting groove, and the rotating shaft is connected with the limiting block in a clamping manner through the limiting groove; or the inner wall of the eccentric hole is provided with a first limit groove, the outer wall of the rotating shaft is provided with a second limit groove, and the rotating shaft and the eccentric roller are clamped in the first limit groove and the second limit groove through limit blocks to be connected; furthermore, the limiting groove is a groove 22, and the limiting block is a protrusion 23; or the limiting groove is a semicircular groove, and the limiting block is a semicircular bulge 7; or, the limiting groove is a key groove, and the limiting block is a key block 8; specifically, one or more circular bulges can be reserved in the vertical direction when the eccentric hole of the eccentric roller is machined, and one or more circular grooves can be machined at the corresponding positions of the matching section of the rotating shaft; when the pump body structure is assembled, the groove of the bulge of the eccentric roller corresponding to the matching section of the rotating shaft is sleeved in the rotating shaft, so that the roller and the rotating shaft can be prevented from circumferential relative motion; furthermore, the matching section of the rotating shaft comprises a cylindrical surface matched with the eccentric roller and a strip-shaped bulge, the strip-shaped bulge is arranged at the matching position of the matching section and the eccentric roller, the eccentric hole 21 of the eccentric roller 2 comprises the cylindrical surface matched with the matching section of the rotating shaft and a strip-shaped limiting groove, the strip-shaped limiting groove is arranged at the matching position of the eccentric roller and the matching section, and during assembly, the bulge of the rotating shaft is inserted only by aligning the strip-shaped limiting groove in the eccentric hole; similarly, the cooperation section of pivot includes with eccentric roller complex face of cylinder and rectangular shape spacing groove, and rectangular shape spacing groove sets up in cooperation section and eccentric roller cooperation department, includes in eccentric hole 21 of eccentric roller 2 with pivot cooperation section complex face of cylinder and rectangular shape arch, and rectangular shape arch sets up in the cooperation department of eccentric roller and cooperation section, during the assembly, only need with the rectangular shape spacing groove of pivot aim at the downthehole rectangular shape arch of eccentric center and insert can.
Preferably, with reference to the above solutions, as shown in fig. 3 to 9, in this embodiment, a first key groove is formed on an inner wall of the eccentric hole 21, a second key groove is formed on an outer wall of the rotating shaft, and the rotating shaft and the eccentric roller are clamped in the first key groove and the second key groove by a key block to be connected; specifically, the cooperation section of pivot includes the cooperation face of cylinder and the semicircle keyway with the roller, the cooperation department of semicircle keyway setting at cooperation section and eccentric roller up end, the eccentric orfice of eccentric roller includes with pivot complex eccentric face of cylinder and semicircle keyway, the semicircle keyway sets up the up end department at eccentric roller, during the assembly, embolia the cooperation section department of pivot with eccentric roller, and align two semicircle keyways, the semicircle keyway of reuse is rotatory to be inserted in the semicircle keyway, make the key piece just in time sink into in the semicircle keyway of pivot and eccentric roller, make eccentric roller not with the pivot take place relative motion can.
The utility model provides a compressor pump body structure, an assembly method and a rotor compressor, which cancel an eccentric part arranged on a rotating shaft, change the rotating shaft into a concentric circle structure, and are provided with a matching section connected with an eccentric roller on the rotating shaft, wherein the diameter of the matching section is equal to or slightly larger than that of a long shaft section of the rotating shaft; the roller matched with the rotating shaft is set as an eccentric roller with an eccentric hole, and the eccentric roller and the rotating shaft are assembled into an eccentric shaft assembly, so that the eccentric amount is not limited by the eccentric structure of the rotating shaft; the key groove is arranged on the eccentric hole of the eccentric roller and the matching section of the rotating shaft, and the rotating shaft and the eccentric roller are assembled together by using the key block, so that the rotating shaft can drive the roller to rotate when rotating, the assembling surface of the eccentric roller and the rotating shaft does not generate friction, the extra power consumption is reduced, and the performance and the reliability of the compressor are improved; and simultaneously, the utility model provides a compressor pump body structure is owing to cancelled the pivot eccentric portion for the through-hole diameter of baffle need not consider eccentric circle diameter, thereby reduces the baffle through-hole internal diameter and slightly increases only slightly in pivot diameter, can effectively guarantee the sealed between the working chamber of cylinder and the hole of baffle through corresponding structure and reasonable assembly mode, improves double-cylinder compressor's unit refrigerating output.
Example 2
Correspondingly, in combination with the above solution, as shown in fig. 3 to 9, the present application also provides a compressor pump body assembly method, which is applied to the above compressor pump body structure; the method specifically comprises the following steps:
s1: sleeving a first eccentric roller on a first matching section of a rotating shaft through a limiting structure; the limiting structure can be a matching structure of a limiting groove and a limiting block; specifically, a limiting block can be arranged on the inner wall of the eccentric hole of the first eccentric roller, and a limiting groove is arranged on the first matching section of the rotating shaft; or, the inner wall of the eccentric hole of the first eccentric roller is provided with a limit groove, and the first matching section of the rotating shaft is provided with a limit block; or, the inner wall of the eccentric hole of the first eccentric roller is provided with a first limit groove, the first matching section of the rotating shaft is provided with a second limit groove, and the first limit groove and the second limit groove are tightly clamped by a key block for connection; the limiting groove is a groove, and the limiting block is a bulge; or the limiting groove is a semicircular groove, and the limiting block is a semicircular bulge; or the limiting groove is a key groove, and the limiting block is a key block;
s2: then the partition plate is arranged between the first matching section and the second matching section of the rotating shaft; the partition board is provided with a through hole, and the diameter of the through hole is slightly larger than that of the rotating shaft;
s3: then, sleeving a second eccentric roller on a second matching section of the rotating shaft through a limiting structure to form a pump body; the limiting structure can be a matching structure of a limiting groove and a limiting block; specifically, a limiting block can be arranged on the inner wall of the eccentric hole of the second eccentric roller, and a limiting groove is arranged on the second matching section of the rotating shaft; or, the inner wall of the eccentric hole of the second eccentric roller is provided with a limit groove, and the second matching section of the rotating shaft is provided with a limit block; or the inner wall of the eccentric hole of the second eccentric roller is provided with a first limit groove, the second matching section of the rotating shaft is provided with a second limit groove, and the first limit groove and the second limit groove are tightly clamped by a key block for connection; the limiting groove is a groove, and the limiting block is a bulge; or the limiting groove is a semicircular groove, and the limiting block is a semicircular bulge; or the limiting groove is a key groove, and the limiting block is a key block;
s4: and finally, mounting the assembled pump body in a cylinder of the rotor compressor.
By adopting the method for assembling the compressor pump body, the assembly efficiency of the compressor pump body can be effectively improved, the distance between the outer circumferential surface of the eccentric roller and the inner hole of the partition plate is large enough, the sealing effect between the working cavity of the cylinder and the partition plate is ensured, the effective sealing between the working cavity of the cylinder and the partition plate is realized, and the performance of the double-cylinder compressor is ensured.
Example 3
Correspondingly, in combination with the above technical scheme, the utility model also provides a rotor compressor, which comprises a compressor pump body structure, wherein the compressor pump body structure is the above compressor pump body structure; specifically, the rotor compressor is a double-cylinder rotor compressor.
The utility model provides a compressor pump body structure, assembly method and rotor compressor, structural design is simple, reasonable, cancels the pivot eccentric portion, and sets up the roller into eccentric roller, can enough make the pivot drive the roller rotatory like this to guarantee not to produce wearing and tearing between pivot and the roller, can make the sealed distance of baffle and roller strengthen again, guarantee effectively sealed between the working chamber of cylinder and the hole of baffle, improve double-cylinder compressor's performance.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the principles and spirit of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. A compressor pump body structure is characterized by comprising a rotating shaft, an eccentric roller and a cylinder; the eccentric roller is arranged in the cylinder; the eccentric roller comprises an eccentric hole and an eccentric part; the eccentric roller is provided with the eccentric hole along the axial direction of the eccentric roller, and an eccentric part is formed on the eccentric roller along the outer side of the eccentric hole; the rotating shaft penetrates through the eccentric hole and can drive the eccentric roller to rotate in the cylinder.
2. The compressor pump body structure according to claim 1, wherein the cylinder includes a first cylinder and a second cylinder; the eccentric rollers include a first eccentric roller and a second eccentric roller; a partition plate is arranged between the first cylinder and the second cylinder; the first eccentric roller is arranged in the first cylinder, and the second eccentric roller is arranged in the second cylinder; the rotating shaft penetrates through the first eccentric roller, the partition plate and the second eccentric roller and can drive the first eccentric roller to rotate in the first cylinder and drive the second eccentric roller to rotate in the second cylinder.
3. The compressor pump body structure according to claim 2, wherein the first eccentric roller is formed with a first eccentric portion along a side of an eccentric hole thereof, and the second eccentric roller is formed with a second eccentric portion along a side of an eccentric hole thereof; the eccentric direction of the first eccentric portion is opposite to the eccentric direction of the second eccentric portion.
4. The compressor pump body structure according to claim 2, wherein the rotating shaft is provided with a first fitting section and a second fitting section; the rotating shaft is connected with the eccentric hole of the first eccentric roller in a radial clamping mode through the first matching section, and the rotating shaft is connected with the eccentric hole of the second eccentric roller in a radial clamping mode through the second matching section.
5. The compressor pump body structure according to claim 4, wherein the partition plate is provided with a through hole, and an inner diameter of the through hole is larger than an outer diameter of the rotating shaft; the first matching section, the second matching section, the eccentric hole and the through hole are coaxially arranged.
6. The compressor pump body structure according to claim 1, wherein the rotating shaft is connected to an inner wall of the eccentric hole through a limiting groove and a limiting block.
7. The compressor pump body structure according to claim 6, wherein a limiting groove is formed in an inner wall of the eccentric hole, a limiting block is arranged on an outer wall of the rotating shaft, and the rotating shaft is clamped in the limiting groove through the limiting block; or the inner wall of the eccentric hole is provided with a limiting block, the outer wall of the rotating shaft is provided with a limiting groove, and the rotating shaft is connected with the limiting block in a clamping manner through the limiting groove; or, be equipped with first spacing groove on the inner wall of eccentric orfice, be equipped with the second spacing groove on the outer wall of pivot, the pivot with eccentric roller is in through the stopper chucking first spacing groove with the second spacing inslot is connected.
8. The compressor pump body structure according to claim 6, wherein the stopper groove is a groove, and the stopper is a protrusion; or, the limiting groove is a semicircular groove, and the limiting block is a semicircular bulge; or, the limiting groove is a key groove, and the limiting block is a key block.
9. A rotary compressor comprising a compressor pump body structure, characterized in that it is a compressor pump body structure according to any one of the preceding claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920857772.5U CN210290138U (en) | 2019-06-10 | 2019-06-10 | Compressor pump body structure and rotor compressor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920857772.5U CN210290138U (en) | 2019-06-10 | 2019-06-10 | Compressor pump body structure and rotor compressor |
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| CN210290138U true CN210290138U (en) | 2020-04-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110332114A (en) * | 2019-06-10 | 2019-10-15 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of compressor pump structure, assembly method and rotor compressor |
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2019
- 2019-06-10 CN CN201920857772.5U patent/CN210290138U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110332114A (en) * | 2019-06-10 | 2019-10-15 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of compressor pump structure, assembly method and rotor compressor |
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