CN209943100U - Compressor and shell - Google Patents

Compressor and shell Download PDF

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Publication number
CN209943100U
CN209943100U CN201920799356.4U CN201920799356U CN209943100U CN 209943100 U CN209943100 U CN 209943100U CN 201920799356 U CN201920799356 U CN 201920799356U CN 209943100 U CN209943100 U CN 209943100U
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CN
China
Prior art keywords
compressor
crankshaft
cylinder
shell
bearing
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Active
Application number
CN201920799356.4U
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Chinese (zh)
Inventor
张昆
胡孔生
周忆
朱文杰
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Shanghai Highly Electrical Appliances Co Ltd
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Shanghai Highly Electrical Appliances Co Ltd
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Priority to CN201920799356.4U priority Critical patent/CN209943100U/en
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Abstract

The utility model discloses a compressor and a shell, wherein a supporting frame which is integrated with the shell is arranged in the shell; the compression subassembly, set up in the accommodation space, the compression subassembly includes: a cylinder; the upper cylinder cover is arranged at the upper end of the cylinder; the lower cylinder cover is arranged at the lower end of the cylinder, and the cylinder, the upper cylinder cover and the lower cylinder cover form a compression space; motor element, set up in the accommodation space, and be located the support frame with between the compression subassembly, the tip of the long axial region of bent axle be spacing in the support frame, the tip of the short axial region of bent axle be spacing in lower cylinder cap, the utility model discloses a set up integrated into one piece's support frame in the casing, can guarantee motor element's stator and rotor concentric, go up the casing and can not influence the support frame concentric with the bent axle with the welding thermal deformation of lower casing, further improved the concentricity of support frame and bent axle to improve compressor performance.

Description

Compressor and shell
Technical Field
The utility model relates to a technique in air conditioner refrigeration field, more specifically says, relates to a compressor and casing.
Background
The compressor is a driven fluid machine for lifting low-pressure gas into high-pressure gas, is the heart of a refrigeration system, sucks low-temperature low-pressure refrigerant gas from an air suction pipe, drives a piston to compress the refrigerant gas through the operation of a motor, and discharges the high-temperature high-pressure refrigerant gas to an exhaust pipe to provide power for a refrigeration cycle. The existing compressor comprises a shell, a motor assembly and a compression assembly, wherein the motor assembly and the compression assembly are arranged in the shell, the deformation of a crankshaft is large during high rotating speed, a stator and a rotor air gap is influenced, an upper supporting structure is usually adopted to reduce the deformation of the crankshaft, but the upper supporting structure needs to be clamped to be limited and to be concentric with the crankshaft when being assembled by welding, the crankshaft is easily enabled to generate concentric offset when the upper supporting structure is welded, and the service life of the compressor is shortened.
SUMMERY OF THE UTILITY MODEL
Problem to prior art exists, the utility model aims to provide a compressor and casing, through set up integrated into one piece's support frame in the casing, it is outside directly with this casing cover to the stator during assembly, then this casing welds with lower cap to can guarantee that motor element's stator and rotor are concentric, go up the welding thermal deformation of cap and lower cap and can not influence the support frame concentric with the bent axle, further improved the concentricity of support frame and bent axle, thereby improve the compressor performance.
According to an aspect of the present invention, there is provided a compressor, including:
the shell is internally provided with a supporting frame which is integrally formed with the shell, the shell comprises an upper edge part positioned on the upper side of the supporting frame and a lower edge part positioned on the lower side of the supporting frame, an upper shell cover is welded at an opening of the upper edge part, a lower shell cover is welded at an opening of the lower edge part, and the lower edge part of the shell, the lower shell cover and the supporting frame surround to form an accommodating space;
the compression subassembly, set up in the accommodation space, the compression subassembly includes:
a cylinder;
the upper cylinder cover is arranged at the upper end of the cylinder;
the lower cylinder cover is arranged at the lower end of the cylinder, and the cylinder, the upper cylinder cover and the lower cylinder cover form a compression space;
the motor assembly is arranged in the accommodating space and is positioned between the support frame and the compression assembly, the motor assembly comprises a crankshaft with a long shaft part, an eccentric part and a short shaft part, the end part of the long shaft part of the crankshaft is limited on the support frame, and the end part of the short shaft part of the crankshaft is limited on the lower cylinder cover.
Preferably, the support frame comprises:
a bearing portion through which an end portion of the long shaft portion of the crankshaft is inserted;
and the connecting parts are distributed on the periphery of the bearing part, and two ends of each connecting part are respectively connected with the bearing part and the inner wall of the shell.
Preferably, the bearing portion includes an annular flange extending toward the motor assembly, and the annular flange has a center hole that is fitted to an end of the long shaft portion of the crankshaft.
Preferably, a shaft sleeve matched with the end part of the long shaft part of the crankshaft is arranged in the central hole.
Preferably, the matching surface of the shaft sleeve and the crankshaft is provided with a polytetrafluoroethylene coating.
Preferably, at least one hollow part is arranged between two adjacent connecting parts.
Preferably, the compressor further comprises a reservoir which is arranged at one side outside the shell and is communicated with the compression space in the compression assembly through an air suction pipe.
According to the utility model discloses an aspect provides a compressor housing, integrated into one piece has a support frame in the casing, the support frame includes:
a bearing portion through which an upper end of a crankshaft in a compressor is inserted;
and the connecting parts surround the bearing parts, and two ends of each connecting part are respectively connected with the bearing parts and the inner wall of the shell.
Preferably, the bearing portion includes an annular flange centered at a center hole for engagement with the upper end of the crankshaft.
Preferably, a shaft sleeve matched with the crankshaft is arranged in the central hole.
The beneficial effects of the above technical scheme are: the utility model provides a compressor and casing, through set up integrated into one piece's support frame in the casing, it is outside directly to overlap this casing to the stator during assembly, then this casing and lower cap welding to can guarantee that motor element's stator and rotor are concentric, go up the welding thermal deformation of cap and lower cap and can not influence the support frame concentric with the bent axle, further improved the concentricity of support frame and bent axle, thereby improve the compressor performance.
Further features and advantages of the present invention, as well as the structure and operation of various embodiments of the present invention, are described in detail below with reference to the accompanying drawings. It should be noted that the present invention is not limited to the specific embodiments described herein. These examples are given herein for illustrative purposes only.
Drawings
Other features, objects and advantages of the invention will become more apparent from a reading of the following detailed description of non-limiting embodiments thereof, with reference to the accompanying drawings.
FIG. 1 is a schematic view of a compressor machine;
FIG. 2 is an enlarged schematic view of the housing of FIG. 1;
FIG. 3 is a top view of the housing of FIG. 2;
FIG. 4 is a top view of the bushing of FIG. 2;
fig. 5 is a front view of the bushing of fig. 4.
List of reference numerals:
10 compressor 145 hollow part
11 housing 15 motor assembly
12 upper shell cover 151 crankshaft
13 lower casing cover 152 stator
14 support frame 153 rotor
141 bearing 16 compression assembly
1411 annular flange 161 cylinder;
1412 center bore 162 upper head;
1413 shaft sleeve 163 lower cylinder cover
1413a open 17 reservoir
1413b coated 18 aspirator tube
142. 143, 144 upper edge of the connecting part 11a
11b lower edge 1511 Long shaft
1512 eccentric portion 1513 stub shaft portion
The features and advantages of the present invention will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings. Throughout the drawings, like reference numerals designate corresponding elements. In the drawings, like reference numbers generally indicate identical, functionally similar, and/or structurally similar elements.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As used in this application, the terms "first," "second," and the like do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be further described with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.
According to an aspect of the present invention, there is provided a compressor.
Fig. 1 is a schematic view of a compressor machine. The compressor 10 shown in fig. 1 includes: a housing 11, an upper housing cover 12, a lower housing cover 13, a compression assembly 16, and a motor assembly 15.
Referring to fig. 1, a supporting frame 14 is integrally formed with the housing 11 in the housing 11, and the housing 11 includes an upper edge portion 11a located on an upper side of the supporting frame 14 and a lower edge portion 11b located on a lower side of the supporting frame 14, i.e., the entire housing 11 includes two portions, i.e., the upper edge portion 11a and the lower edge portion 11 b. The upper case cover 12 is welded to the opening of the upper edge portion 11a, and the lower case cover 13 is welded to the opening of the lower edge portion 11b of the case 11. The lower edge 11b of the housing 11, the lower cover 13 and the supporting frame 14 enclose to form an accommodating space. The crankshaft 151 includes a long axis portion 1511, an eccentric portion 1512, and a short axis portion 1513. The long shaft portion 1511 of the crankshaft 151 in the motor module 15 is fixed by a support bracket 14 integrally formed with the housing 11. A compression assembly 16 of the compressor 10 is disposed at a bottom of an accommodating space formed by the lower edge portion 11b of the housing 11 and the lower housing cover 13, and the compression assembly 16 includes: a cylinder 161, a vane (not shown) for isolating a high-low pressure chamber in the cylinder 161, and an upper cylinder head 162 and a lower cylinder head 163 which are provided at both ends of the cylinder 161 and define a compression space together with the cylinder 161 and support the crankshaft 151. The upper head 162 is located at the upper end of the cylinder 161, and the lower head 163 is located at the lower end of the cylinder 161. The upper cylinder head 162 and the lower cylinder head 163 each have a through hole through which the crankshaft 151 passes. A rotary piston is disposed in the compression space between the upper cylinder head 162 and the lower cylinder head 163. The vanes are positioned in vane slots (not shown) and abut against a rotary piston disposed in an eccentric portion 1512 of the crankshaft 151, and a stub portion 1513 of the crankshaft 151 is retained in the lower cylinder head 163.
Referring again to fig. 1, a motor assembly 15 is disposed between the supporting bracket 14 and the compression assembly 16, and the motor assembly 15 includes a stator 152, a rotor 153, and a crankshaft 151 penetrating the rotor 153. An end of a long shaft portion 1511 of the crankshaft 151 shown in fig. 1 passes through the rotor 153 and is restrained to the support bracket 14, and an eccentric portion 1512 of the crankshaft 151 passes through a through hole of the upper cylinder head 162 to be connected to a rotary piston provided in the cylinder 161. The crankshaft 151 transmits the rotational force of the motor assembly 15 to a rotary piston in the cylinder, and compresses the refrigerant by rotating the piston. An air suction pipe 18 is arranged on the side wall of the shell 11 in a penetrating manner, the air suction pipe 18 comprises an air inlet end and an air outlet end, the air outlet end of the air outlet pipe penetrates through the side wall of the shell 11 to be communicated with the compression space, the air inlet end of the air suction pipe 18 is communicated with a liquid storage device 17 arranged on one side of the shell 11, and low-temperature and low-pressure air in the liquid storage device 17 is sucked into the air suction pipe 18 through the air suction pipe 18 and then enters the compression space formed by the air cylinder 161, the upper cylinder cover 162 and the lower.
Fig. 2 is an enlarged schematic view of the housing 11 of fig. 1. Fig. 3 is a plan view of the housing 11 in fig. 2. Referring to fig. 2 and 3, the supporting bracket 14 includes: a bearing portion 141 and a plurality of connecting portions. The end of the long shaft 1511 of the crankshaft 151 is restricted by the bearing 141, and the bearing 141 is connected to the inner wall of the housing 11 by the connecting portions 142, 143, and 144, that is, one ends of the connecting portions 142, 143, and 144 are connected to the bearing 141, and the other ends of the connecting portions 142, 143, and 144 are connected to the inner wall of the housing 11. Bearing portion 141 includes an annular flange 1411 extending toward motor assembly 15, and annular flange 1411 has a central aperture 1412 for engaging crankshaft 151. A boss 1413 is disposed within the central aperture 1412. The adjacent connection portions are provided with hollow portions 145 therebetween, the hollow portions 145 are provided between the connection portions 142 and 143, between the connection portions 143 and 144, and between the connection portions 142 and 144, and the high-pressure refrigerant compressed by the compression assembly 16 passes through the hollow portions 145 and is discharged from an exhaust pipe provided in the upper cylinder head 162.
Fig. 4 is a top view of the bushing 1413 of fig. 2. Fig. 5 is a front view of the bushing 1413 of fig. 4. Referring to fig. 4 and 5, the sleeve 1413 disposed in the central hole 1412 has an axial opening 1413a, and a coating 1413b is disposed on an inner surface of the sleeve 1413, the coating 1413b may be, but is not limited to, teflon, and the coating 1413b disposed on the inner surface of the sleeve 1413 may improve wear resistance of the sleeve 1413, thereby improving a service life of the sleeve 1413.
According to an aspect of the present invention, there is provided a compressor housing 11, including a supporting frame 14 integrally formed with the housing 11, the supporting frame 14 includes: a bearing 141 through which an upper end of a crankshaft 151 in the compressor is inserted; and a plurality of connecting portions which are distributed around the outer circumference of the bearing portion 141, and both ends of each connecting portion are connected to the bearing portion 141 and the inner wall of the housing 11, respectively. The bearing portion 141 includes an annular flange 1411, and the annular flange 1411 is centered on a center hole 1412 for engagement with the crankshaft 151. A bushing 1413 is disposed within the central bore 1412 and engages the crankshaft 151.
To sum up, the utility model discloses compressor and casing through set up integrated into one piece's support frame in the casing, directly overlaps this casing to the stator outside during the assembly, then this casing and lower cap welding to can guarantee that motor element's stator and rotor are concentric, go up the welding thermal deformation of cap and lower cap and can not influence the support frame concentric with the bent axle, further improved the concentricity of support frame and bent axle, thereby improve the compressor performance.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims (10)

1. A compressor, comprising:
the shell is internally provided with a supporting frame which is integrally formed with the shell, the shell comprises an upper edge part positioned on the upper side of the supporting frame and a lower edge part positioned on the lower side of the supporting frame, an upper shell cover is welded at an opening of the upper edge part, a lower shell cover is welded at an opening of the lower edge part, and the lower edge part of the shell, the lower shell cover and the supporting frame surround to form an accommodating space;
the compression subassembly, set up in the accommodation space, the compression subassembly includes:
a cylinder;
the upper cylinder cover is arranged at the upper end of the cylinder;
the lower cylinder cover is arranged at the lower end of the cylinder, and the cylinder, the upper cylinder cover and the lower cylinder cover form a compression space;
the motor assembly is arranged in the accommodating space and is positioned between the support frame and the compression assembly, the motor assembly comprises a crankshaft with a long shaft part, an eccentric part and a short shaft part, the end part of the long shaft part of the crankshaft is limited on the support frame, and the end part of the short shaft part of the crankshaft is limited on the lower cylinder cover.
2. The compressor of claim 1, wherein the support bracket comprises:
a bearing portion through which an end portion of the long shaft portion of the crankshaft is inserted;
and the connecting parts are distributed on the periphery of the bearing part, and two ends of each connecting part are respectively connected with the bearing part and the inner wall of the shell.
3. The compressor of claim 2, wherein the bearing portion includes an annular flange extending toward the motor assembly, the annular flange having a center hole that mates with an end of the long shaft portion of the crankshaft.
4. A compressor according to claim 3, wherein a boss is provided in said central bore to engage with an end of said long shaft portion of said crankshaft.
5. The compressor of claim 4, wherein the mating surface of said bushing with said crankshaft is provided with a polytetrafluoroethylene coating.
6. The compressor of claim 2, wherein at least one hollow-out portion is disposed between two adjacent connecting portions.
7. The compressor of claim 1, further comprising an accumulator disposed at an outer side of the housing and communicating with the compression space in the compression assembly through a suction pipe.
8. The utility model provides a compressor housing, its characterized in that, integrated into one piece has a support frame in the casing, the support frame includes:
a bearing portion through which an upper end of a crankshaft in a compressor is inserted;
and the connecting parts surround the bearing parts, and two ends of each connecting part are respectively connected with the bearing parts and the inner wall of the shell.
9. The compressor housing of claim 8, wherein the bearing portion includes an annular flange centered on a central aperture that mates with an upper end of the crankshaft.
10. The compressor housing of claim 9, wherein a bushing is disposed within the central bore for mating with the crankshaft.
CN201920799356.4U 2019-05-30 2019-05-30 Compressor and shell Active CN209943100U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920799356.4U CN209943100U (en) 2019-05-30 2019-05-30 Compressor and shell

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920799356.4U CN209943100U (en) 2019-05-30 2019-05-30 Compressor and shell

Publications (1)

Publication Number Publication Date
CN209943100U true CN209943100U (en) 2020-01-14

Family

ID=69134731

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920799356.4U Active CN209943100U (en) 2019-05-30 2019-05-30 Compressor and shell

Country Status (1)

Country Link
CN (1) CN209943100U (en)

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