CN218669822U - Compressor core structure and compressor - Google Patents
Compressor core structure and compressor Download PDFInfo
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- CN218669822U CN218669822U CN202223233948.0U CN202223233948U CN218669822U CN 218669822 U CN218669822 U CN 218669822U CN 202223233948 U CN202223233948 U CN 202223233948U CN 218669822 U CN218669822 U CN 218669822U
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Abstract
The utility model discloses a compressor core structure and a compressor, which comprises a core body, a first-stage oil retaining mechanism and a second-stage oil retaining mechanism; the first-stage oil blocking mechanism is arranged on the outer side of the upper end of the upper bearing cover of the machine core body, one end of the first-stage oil blocking mechanism is fixedly connected with the end face of the outer side of the upper bearing cover, and the other end of the first-stage oil blocking mechanism extends towards the radial outer side of the upper bearing cover; the second-stage oil blocking mechanism is arranged on the outer side of the lower end of a lower bearing cover of the machine core body, one end of the second-stage oil blocking mechanism is fixedly connected with the end face of the outer side of the lower bearing cover, and the other end of the second-stage oil blocking mechanism extends towards the radial outer side of the lower bearing cover; the utility model realizes the blocking effect of oil in high-pressure gas passing through the vicinity of the lower bearing cover through the second-stage oil blocking mechanism; the first-stage oil blocking mechanism arranged on the outer side of the upper end of the upper bearing cover of the machine core body is combined, so that the oil carrying capacity of high-pressure airflow of the compressor is effectively reduced, the COP value of the compressor is improved, and the adaptability of the compressor and a refrigerating system is ensured.
Description
Technical Field
The utility model belongs to the technical field of the compressor, in particular to compressor core structure and compressor.
Background
At present, the oil retaining design of a horizontal type refrigeration compressor generally adopts a mode of adding an oil retaining cup on a machine core bearing, and belongs to a single-stage oil retaining structure; the mode of adding an oil retaining mechanism on the silencer is also adopted, and the silencer also belongs to a single-stage oil retaining structure; although the single-stage oil retaining structure can block the oil carrying amount of high-pressure gas, the oil retaining effect is poor, the oil carrying amount of the compressor is high, and the COP value of the compressor is seriously reduced.
SUMMERY OF THE UTILITY MODEL
To the technical problem who exists among the prior art, the utility model provides a compressor core structure and compressor to it is relatively poor to solve current single-stage fender oil structure and keep off oily effect, and the oily volume of taking of compressor is higher, has seriously reduced the technical problem of the COP value of compressor.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
the utility model provides a compressor core structure, which is used in a horizontal type refrigeration compressor; the compressor core structure comprises a core body, a first-stage oil retaining mechanism and a second-stage oil retaining mechanism;
the first-stage oil blocking mechanism is arranged on the outer side of the upper end of an upper bearing cover of the machine core body, one end of the first-stage oil blocking mechanism is fixedly connected with the end face of the outer side of the upper bearing cover, and the other end of the first-stage oil blocking mechanism extends towards the radial outer side of the upper bearing cover;
the second-stage oil blocking mechanism is arranged on the outer side of the lower end of a lower bearing cover of the machine core body, one end of the second-stage oil blocking mechanism is fixedly connected with the outer side of the lower bearing cover, and the other end of the second-stage oil blocking mechanism extends towards the radial outer side of the lower bearing cover.
Further, the first-stage oil retaining mechanism is of a first annular plate-shaped structure; the inner side arc end of the first annular plate-shaped structure is fixedly connected with the outer side end face of the upper bearing cover, and the outer side arc end of the first annular plate-shaped structure extends towards the radial outer side of the upper bearing cover.
Further, the secondary oil retaining mechanism is of a second annular plate-shaped structure; the inner side arc end of the second annular plate-shaped structure is fixedly connected with the outer side end face of the lower bearing cover, and the outer side arc end of the second annular plate-shaped structure extends towards the radial outer side of the lower bearing cover.
Furthermore, an oil return hole is also formed in the second-stage oil retaining mechanism; the oil return hole is arranged close to the outer arc end of the second-stage oil retaining mechanism and is positioned below the oil surface of an internal oil pool of the horizontal type freezing and refrigerating compressor.
The utility model also provides a compressor, which is a horizontal type freezing and refrigerating compressor; wherein, the horizontal freezing and refrigerating compressor comprises the compressor core structure.
Furthermore, a first exhaust gap is formed between the outer arc end of the primary oil baffle mechanism and the inner wall of the cylinder in the horizontal type refrigeration compressor; and a second exhaust gap is formed between the outer arc end of the secondary oil retaining mechanism and the inner wall of the cylinder in the horizontal type refrigeration compressor.
Further, the second exhaust gap is an annular through-flow gap; wherein the width of the annular through-flow gap is 1.5-3.5mm.
Further, the inner side arc end of the secondary oil retaining mechanism is fixedly connected with the outer side end face of the lower bearing cover by bolts; an air outlet is formed in a cylinder body in the horizontal type freezing and refrigerating compressor and is positioned on the outer side of the secondary oil blocking mechanism; and a compressor exhaust pipe is arranged at the exhaust port.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a compressor core structure and a compressor, wherein a secondary oil retaining mechanism is additionally arranged outside the lower end of a lower bearing cover of a core body to realize the blocking effect on oil in high-pressure gas passing through the vicinity of the lower bearing cover; the first-stage oil blocking mechanism arranged on the outer side of the upper end of the upper bearing cover of the machine core body is combined, so that the oil carrying capacity of high-pressure airflow of the compressor is effectively reduced, the COP value of the compressor is improved, the adaptability of the compressor and a refrigerating system is ensured, and the efficient operation of the refrigerating system is ensured.
Furthermore, the first-stage oil retaining mechanism and the second-stage oil retaining mechanism both adopt annular plate-shaped structures, and are simple in structure, convenient to install, low in maintenance cost and small in occupied space.
Furthermore, an oil return hole is formed in the second-stage oil retaining mechanism, and oil liquid retained by the second-stage oil retaining mechanism is recovered by the oil return hole and flows back to an oil cavity of the compressor.
Furthermore, an exhaust gap is formed between the oil blocking mechanism and the inner wall of the cylinder of the compressor, so that the gas circulation effect after oil blocking is achieved, and the normal operation of the compressor is ensured.
Drawings
Fig. 1 is a schematic structural view of a compressor movement according to embodiment 1;
fig. 2 is a schematic structural view of the first-stage oil blocking mechanism in embodiment 1;
fig. 3 is a sectional view of the one-stage oil retaining structure in embodiment 1;
fig. 4 is a schematic structural view of the two-stage oil blocking mechanism in embodiment 1;
fig. 5 is a schematic view of the compressor in embodiment 2.
The oil-retaining mechanism comprises a machine core body 1, a first-stage oil-retaining mechanism 2, a second-stage oil-retaining mechanism 3, a motor assembly 4, a cylinder 5 and a compressor exhaust pipe 6, wherein the machine core body is connected with the motor assembly; 11 upper bearing cover, 12 lower bearing cover, 13 cylinder, 14 crankshaft, 15 rotor, 16 oil suction cover.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solution and the beneficial effects thereof are more clearly understood, and the following detailed description is made for the present invention. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
As shown in fig. 1 to 4, the present embodiment 1 provides a compressor core structure, which is used for a horizontal compressor freezing and refrigerating compressor; the compressor core structure comprises a core body 1, a first-stage oil retaining mechanism 2 and a second-stage oil retaining mechanism 3; the movement body 1 comprises an upper bearing cover 11, a lower bearing cover 12, a cylinder 13, a crankshaft 14, a rotor 15 and an oil suction cover 16; the upper bearing cover 11 is arranged at the upper end of the cylinder 13 in a sealing manner, and the lower bearing cover 12 is arranged at the lower end of the cylinder 13 in a sealing manner; the rotor 15 is arranged in a working cavity of the cylinder 13, and the crankshaft 14 is used for driving the rotor to rotate; the oil suction cover 16 is provided at the shaft end of the crankshaft 14 and is disposed at the outer center of the lower bearing cap 12.
In this embodiment 1, one-level oil blocking mechanism 2 is arranged outside the upper end of upper bearing cap 11, one end of one-level oil blocking mechanism 2 is fixedly connected with the outer end face of upper bearing cap 11, and the other end of one-level oil blocking mechanism 2 faces the radial outer side of upper bearing cap 11 is extended.
The primary oil baffle mechanism 2 is of a first annular plate-shaped structure; the inner circular arc end of the first annular plate-shaped structure is fixedly connected with the outer end face of the upper bearing cover 11, and the outer circular arc end of the first annular plate-shaped structure extends towards the radial outer side of the upper bearing cover 11.
In this embodiment 1, the secondary oil blocking mechanism 3 is disposed at the outer side of the lower end of the lower bearing cap 12, one end of the secondary oil blocking mechanism 3 is fixedly connected to the outer end face of the lower bearing cap 12, and the other end of the secondary oil blocking mechanism 3 extends toward the radial outer side of the lower bearing cap 12; the second-stage oil retaining mechanism 3 is of a second annular plate-shaped structure; the inner circular arc end of the second annular plate-shaped structure is fixedly connected with the outer end face of the lower bearing cover 12, and the outer circular arc end of the second annular plate-shaped structure extends towards the radial outer side of the lower bearing cover 12.
An oil return hole is formed in the secondary oil retaining mechanism 3, is close to the outer arc end of the secondary oil retaining mechanism 3 and is positioned below the oil surface of an internal oil pool of the horizontal refrigeration compressor; through set up the oil gallery in the second grade keeps off oily mechanism 3, utilize the oil gallery to keep off the fluid that oily mechanism department stopped of second grade was retrieved to flow back to the oil pocket of compressor, avoid the fluid that blocks to produce the hindrance to the circulation of high-pressure draught.
The working principle is as follows:
in the compressor movement assembly described in this embodiment 1, during operation, high-pressure gas discharged from the compressor firstly passes through the oil throwing sheet in the electrode assembly, enters the electrode upper wire covering cavity, then passes through the primary oil blocking mechanism and the secondary oil blocking mechanism in sequence, and enters the liquid storage cylinder through the exhaust port on the cylinder; the two-stage oil blocking mechanism is arranged on the machine core body, so that the oil carrying amount of the compressor is reduced, the efficient operation of the horizontal compressor is realized, and the energy efficiency ratio of the compressor is improved.
In the core structure of the compressor in embodiment 1, the secondary oil blocking mechanism 3 is additionally arranged on the outer side of the lower end of the lower bearing cover 12, so that the blocking effect on oil in high-pressure gas passing through the vicinity of the lower bearing cover 12 is realized; the first-stage oil retaining mechanism 2 arranged on the outer side of the upper end of the upper bearing cover 11 is combined, so that the oil carrying capacity of high-pressure airflow of the compressor is effectively reduced, the COP value of the compressor is improved, the adaptability of the compressor and a refrigerating system is ensured, and the efficient operation of the refrigerating system is ensured.
Example 2
As shown in fig. 5, the present embodiment 2 provides a compressor, which is a horizontal type freezing and refrigerating compressor; the compressor comprises the compressor movement structure in embodiment 1.
The compressor comprises a core assembly, a motor assembly 4 and a barrel 5; the movement assembly and the motor assembly 4 are assembled in the barrel 5; wherein, the movement assembly adopts the compressor movement structure as in embodiment 1; the input end of the movement assembly is connected with the output end of the motor assembly 4.
In this embodiment 2, a first exhaust gap is provided between the outer arc end of the first-stage oil blocking mechanism 2 in the core assembly and the inner wall of the cylinder 5, and a second exhaust gap is provided between the outer arc end of the second-stage oil blocking mechanism 3 in the core assembly and the inner wall of the cylinder 5; the second exhaust gap is an annular through-flow gap, and the width of the annular through-flow gap is 1.5-3.5mm; the inner side arc end of the secondary oil retaining mechanism 3 is fixedly connected with the outer side of the lower bearing cover 12 or is arranged below the outer side of the lower bearing cover 12; an air outlet is formed in the cylinder 5 and is positioned on the outer side of the secondary oil retaining mechanism 3; a compressor exhaust pipe 6 is arranged at the exhaust port; the compressor exhaust pipe 6 adopts a double-bending structure; the compressor exhaust pipe 6 comprises an air outlet section, a first bend section, a connecting section and a second bend section; one end of the air outlet section is connected with the air outlet, the other end of the air outlet section is connected with one end of the first bent pipe section, the other end of the first bent pipe section is connected with one end of the connecting pipe section, the other end of the connecting pipe section is connected with one end of the second bent pipe section, and the other end of the second bent pipe section is used for being connected with a liquid storage cylinder; the first bent pipe section realizes inputting of refrigerating gas to the air inlet of the compressor, and the second bent pipe section realizes the air outlet transmission path of the liquid storage cylinder.
A compressor core structure and compressor, through the one-level oil retaining mechanism that sets up in the upper end outside of last bearing cap, add the second grade in the lower extreme outside of lower bearing cap and keep off oil mechanism, form doublestage and keep off oil mechanism, effectively reduced horizontal rotor compressor high pressure gas flow area oil mass, improved compressor COP value, and then realize compressor and refrigerating system's suitability, realize refrigerating system's high-efficient operation.
The utility model realizes the first-stage oil-retaining function of high-pressure gas under the precondition that the original horizontal compressor core mechanism is not changed through the action of the first-stage oil-retaining mechanism of the upper bearing cover; through increasing design second grade fender oil mechanism on the lower bearing cap, play the further effect of blockking of the high-pressure airflow oil mass to realize the increase of compressor COP value, and then realize compressor and refrigerating system's suitability, realize refrigerating system's high-efficient operation.
The utility model is provided with a primary oil baffle mechanism on the upper bearing, and realizes the primary oil baffle function of high-pressure gas through the primary oil baffle function of the upper bearing part; the method aims to solve the problem of further reduction of the oil carrying amount of high-pressure airflow of the horizontal rotor type compressor so as to increase the COP value of the compressor, further realize the adaptability of the compressor and a refrigerating system and realize the efficient operation of the refrigerating system.
The above embodiment is only one of the embodiments that can realize the technical solution of the present invention, and the scope of the present invention is not limited only by the embodiment, but also includes any variations, substitutions and other embodiments that can be easily conceived by those skilled in the art within the technical scope of the present invention.
Claims (8)
1. The compressor movement structure is characterized in that the compressor movement structure is used in a horizontal type refrigeration compressor; the compressor core structure comprises a core body (1), a primary oil retaining mechanism (2) and a secondary oil retaining mechanism (3);
the primary oil blocking mechanism (2) is arranged on the outer side of the upper end of an upper bearing cover (11) of the movement body (1), one end of the primary oil blocking mechanism (2) is fixedly connected with the end face of the outer side of the upper bearing cover (11), and the other end of the primary oil blocking mechanism (2) extends towards the radial outer side of the upper bearing cover (11);
the oil retaining mechanism is characterized in that the second-stage oil retaining mechanism (3) is arranged on the outer side of the lower end of a lower bearing cover (12) of the movement body (1), one end of the second-stage oil retaining mechanism (3) is fixedly connected with the outer side of the lower bearing cover (12), and the other end of the second-stage oil retaining mechanism (3) extends towards the radial outer side of the lower bearing cover (12).
2. A compressor movement structure according to claim 1, wherein the first-stage oil blocking mechanism (2) is a first annular plate-shaped structure; the inner circular arc end of the first annular plate-shaped structure is fixedly connected with the outer end face of the upper bearing cover (11), and the outer circular arc end of the first annular plate-shaped structure extends towards the radial outer side of the upper bearing cover (11).
3. A compressor movement structure according to claim 1, wherein the secondary oil baffle mechanism (3) is a second annular plate-like structure; the inner side arc end of the second annular plate-shaped structure is fixedly connected with the outer side end face of the lower bearing cover (12), and the outer side arc end of the second annular plate-shaped structure extends towards the radial outer side of the lower bearing cover (12).
4. The compressor movement structure according to claim 1, wherein an oil return hole is further formed in the second-stage oil blocking mechanism (3); the oil return hole is arranged close to the outer arc end of the second-stage oil retaining mechanism (3) and is positioned below the oil surface of an internal oil pool of the horizontal freezing and refrigerating compressor.
5. The compressor is characterized in that the compressor is a horizontal type freezing and refrigerating compressor; the horizontal type freezing and refrigerating compressor comprises a compressor movement structure as claimed in any one of claims 1 to 4.
6. The compressor of claim 5, wherein a first exhaust gap is arranged between the outer circular arc end of the primary oil baffle mechanism (2) and the inner wall of the cylinder body in the horizontal type freezing and refrigerating compressor; and a second exhaust gap is arranged between the outer arc end of the second-stage oil retaining mechanism (3) and the inner wall of the cylinder in the horizontal freezing and refrigerating compressor.
7. A compressor according to claim 6, characterized in that the second discharge gap is an annular through-flow gap; wherein the width of the annular through-flow gap is 1.5-3.5mm.
8. The compressor as claimed in claim 5, wherein the inner circular arc end of the secondary oil retaining mechanism (3) is fixedly connected with the outer end face of the lower bearing cover (12) by bolts; an exhaust port is formed in a cylinder body in the horizontal type freezing and refrigerating compressor and is positioned on the outer side of the secondary oil blocking mechanism (3); and a compressor exhaust pipe (6) is installed at the exhaust port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223233948.0U CN218669822U (en) | 2022-11-29 | 2022-11-29 | Compressor core structure and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223233948.0U CN218669822U (en) | 2022-11-29 | 2022-11-29 | Compressor core structure and compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218669822U true CN218669822U (en) | 2023-03-21 |
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ID=85541983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223233948.0U Active CN218669822U (en) | 2022-11-29 | 2022-11-29 | Compressor core structure and compressor |
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| Country | Link |
|---|---|
| CN (1) | CN218669822U (en) |
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2022
- 2022-11-29 CN CN202223233948.0U patent/CN218669822U/en active Active
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