CN213419359U - Cylinder and compressor capable of reducing damage of blades - Google Patents
Cylinder and compressor capable of reducing damage of blades Download PDFInfo
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- CN213419359U CN213419359U CN202021494059.8U CN202021494059U CN213419359U CN 213419359 U CN213419359 U CN 213419359U CN 202021494059 U CN202021494059 U CN 202021494059U CN 213419359 U CN213419359 U CN 213419359U
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Abstract
The application relates to a cylinder and a compressor for reducing damage of blades, which comprise a cylinder body, an upper support and a lower support; the cylinder body is provided with a cylinder cavity and a blade groove communicated with the cylinder cavity along the axial direction of the cylinder body, and the cylinder body is sequentially provided with a slotted hole communicated with the blade groove and a suction hole communicated with the cylinder cavity along the circumferential direction of the cylinder body; the upper support and the lower support are respectively arranged at two axial ends of the cylinder body; the cylinder body is formed by splicing a first side cylinder body and a second side cylinder body, and the heat conductivity coefficient of the second side cylinder body is smaller than that of the first side cylinder body; wherein, two side walls of the blade groove are at least dug with a through hole. The beneficial effect of this application is: the through hole is additionally arranged in the blade groove, so that the contact area between the blade and the blade groove is reduced, the friction loss is reduced, and the mechanical efficiency is improved; the structure is simple and easy to realize, and extra cost can not be increased. The efficiency of the compressor is improved.
Description
Technical Field
The application relates to the technical field of compressor manufacturing, in particular to an air cylinder capable of reducing blade damage and a compressor.
Background
Rotary compressors are widely used in household refrigerators and air conditioners, and among them, large and medium sized rolling rotor compressors are also used in refrigerators.
The working principle of the existing rotary compressor is as follows: the motor stator produces magnetic pull after the circular telegram, electric motor rotor is rotary motion under the magnetic pull effect of stator, and the bent axle that drives compression mechanism is rotary motion together, the bent axle rotates and then drives the piston of cover at its eccentric portion and do eccentric circular motion in the cylinder, the blade is then installed in the blade groove of cylinder, withstand the piston plug all the time and do reciprocating motion in the blade groove under the effect of the compression spring in the spring hole, blade and piston have divided into high-pressure chamber and low-pressure chamber with the cylinder, the bent axle drives the piston rotatory a week and then breathes in from the low-pressure chamber and accomplish once exhaust from the high-pressure chamber, consequently, realize the compressor to gaseous compression.
In the conventional rotary compressor, the reciprocating motion between the vane and the vane slot causes large friction loss, which is one of the main factors that reduce the efficiency of the compressor.
SUMMERY OF THE UTILITY MODEL
This application can cause great friction loss's problem for the reciprocating motion between overcoming among the prior art blade and blade groove, and the technical problem that this application will solve provides a cylinder and compressor that reduces blade damage.
A cylinder for reducing damage of blades comprises a cylinder body, an upper support and a lower support;
the cylinder body is provided with a cylinder cavity and a blade groove communicated with the cylinder cavity along the axial direction of the cylinder body, and the cylinder body is sequentially provided with a slotted hole communicated with the blade groove and a suction hole communicated with the cylinder cavity along the circumferential direction of the cylinder body;
the upper support and the lower support are respectively arranged at two axial ends of the cylinder body;
the cylinder body is formed by splicing a first side cylinder body and a second side cylinder body, and the heat conductivity coefficient of the second side cylinder body is smaller than that of the first side cylinder body;
wherein, two side walls of the blade groove are at least dug with a through hole.
Optionally, the through hole diameter is smaller than the width of the vane slot sidewall.
Optionally, the center of the through hole is located in the blade groove
Optionally, the cylinder body further comprises a rotating shaft connected between the upper support and the lower support, a compression ring sleeved on the rotating shaft, and a blade, wherein the compression ring is rotatably arranged in the cylinder cavity, and the compression ring is used for separating or communicating the first side cylinder body and the second side cylinder body through rotating on the cylinder cavity; one end of each blade is abutted against the outer wall of the compression ring, and the other end of each blade extends into the corresponding blade groove.
Optionally, the axis of the slotted hole coincides with a central plane of the blade slot.
Optionally, the cylinder body is further dug with at least one exhaust hole penetrating through both axial ends thereof.
Optionally, the valve further comprises a valve, the upper support and the lower support are provided with a valve hole and a rivet hole, one end of the valve is connected to the valve hole, and the other end of the valve is fixed to the rivet hole through a rivet.
Optionally, the cylinder body axial surface is further provided with at least one screw hole, and the cylinder body fixes the upper support and the lower support on the screw hole through bolts.
Optionally, an upper silencing cover is arranged on one surface, far away from the cylinder body, of the upper support, and a lower silencing cover is arranged on one surface, far away from the cylinder body, of the lower support.
In addition, the application also provides a compressor, which comprises the cylinder for reducing the damage of the blades, and further comprises a machine shell, a rotor, a stator, a filter bottle, a bottom cover and a top cover;
the rotor, the stator and the cylinder are arranged in the machine shell, the bottom cover covers the bottom of the machine shell, the top cover covers the top of the machine shell, and an air outlet of the filter bottle penetrates through the machine shell and is connected to the air suction hole;
the rotor is fixed on the rotating shaft, and the rotor extends into the stator.
Compared with the prior art, the beneficial effects of this application are: the through hole is additionally arranged in the blade groove, so that the contact area between the blade and the blade groove is reduced, the friction loss is reduced, and the mechanical efficiency is improved; the structure is simple and easy to realize, and extra cost can not be increased. The efficiency of the compressor is improved.
Drawings
Fig. 1 is a schematic diagram of a cylinder explosion according to an embodiment of the present application.
Fig. 2 is a perspective view of a cylinder according to an embodiment of the present application.
Fig. 3 is a top view of the cylinder block according to the embodiment of the present application.
Fig. 4 is a schematic view of a compressor according to an embodiment of the present application.
Detailed Description
The present application will be further described with reference to the following detailed description.
The same or similar reference numerals in the drawings of the embodiments of the present application correspond to the same or similar components; in the description of the present application, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", and the like, if any, are used in the orientations and positional relationships indicated in the drawings only for the convenience of describing the present application and for simplicity of description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore the terms describing the positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
Furthermore, if the terms "first," "second," and the like are used for descriptive purposes only, they are used for mainly distinguishing different devices, elements or components (the specific types and configurations may be the same or different), and they are not used for indicating or implying relative importance or quantity among the devices, elements or components, but are not to be construed as indicating or implying relative importance.
In the embodiment shown in fig. 1-3, the application provides a cylinder for reducing blade damage, which comprises a cylinder body 1, an upper support 2, a lower support 3;
a cylinder cavity 11 and a blade groove 12 communicated with the cylinder cavity 11 are formed on the cylinder body 1 along the axial direction of the cylinder body 1, and a slotted hole 13 communicated with the blade groove 12 and a suction hole 14 communicated with the cylinder cavity 11 are sequentially formed on the cylinder body 1 along the circumferential direction of the cylinder body;
the upper support 2 and the lower support 3 are respectively arranged at the two axial ends of the cylinder body 1;
the cylinder body 1 is formed by splicing a first side cylinder body and a second side cylinder body, and the heat conductivity coefficient of the second side cylinder body is smaller than that of the first side cylinder body;
wherein, two side walls of the blade groove 12 are dug with at least one through hole 17.
In the embodiment, the cylinder cavity 11 of the present application is enclosed by the cylinder body 1, the upper support 2 and the lower support 3, and the upper support 2, the lower support 3 and the cylinder body 1 are connected in a sealing manner; the cylinder body 1 is fixedly connected with a blade 6 between a compression ring 5 and a slotted hole 13 through a blade groove 12, wherein one end of the blade 6 is connected to the compression ring 5, the other end of the blade 6 is connected to the slotted hole 13, the slotted hole 13 is also provided with an elastic part, the blade 6 is telescopic in the blade groove 12 through the compression ring 5 and the elastic part, the cylinder body 1 is formed by splicing a first side cylinder body and a second side cylinder body, the heat conductivity coefficient of the second side cylinder body is smaller than that of the first side cylinder body, and the cylinder separates or communicates the first side cylinder body and the second side cylinder body through the continuous rotation of the blade 6 and the compression ring 5; the cylinder of this application is formed by the concatenation of the first side cylinder body and the second side cylinder body that coefficient of heat conductivity is different, can reduce the temperature of the gas that suction hole 14 inhales from this, and compressor input power descends, complete machine efficiency promotes to improve its system matching performance. The at least one through hole 17 is additionally arranged in the blade groove 12, in the embodiment, the number of the through holes 17 is 1, so that the contact area between the blade 6 and the blade groove 12 is reduced, the friction loss is reduced, and the mechanical efficiency is improved; the structure is simple and easy to realize, and extra cost can not be increased. The efficiency of the compressor is improved.
In one implementation of the above embodiment, the through hole 17 has a diameter smaller than the width of the side wall of the vane slot 12; in the embodiment, the size of the through hole 17 is not limited, and is adjusted according to the specific requirements of the compressor; the optimal contact area between the blade and the blade groove 12 is achieved, and the friction loss is reduced.
In one embodiment of the above embodiment, the center of the through hole 17 is located in the vane slot 12, so that the through hole 17 falls within the stroke range of the vane.
In some embodiments, the cylinder device further comprises a rotating shaft 4 connected between the upper support 2 and the lower support 3, a compression ring 5 sleeved on the rotating shaft 4, and a blade, wherein the compression ring 5 is rotatably arranged inside the cylinder cavity 11, and the compression ring 5 separates or communicates the first side cylinder body and the second side cylinder body by rotating on the cylinder cavity 11; one end of the vane is abutted against the outer wall of the compression ring 5, and the other end of the vane extends into the vane groove 12. This application accomplishes the change of compression chamber internal volume through the rotary motion of pivot 4, compression ring 5, blade, realizes the refrigeration compression.
In some embodiments, the axis of the slotted hole 13 coincides with the central plane of the blade slot 12. The axis of the slotted hole 13 coincides with the central plane of the vane slot 12. When the cylinder is installed in the compressor, a compression spring is required to be installed in the slotted hole 13 to apply pressure to the vane in the vane slot 12, so that the vane can always abut against the compression ring 5 in the cylinder cavity 11. When the central plane of the blade groove 12 is parallel to the axis of the slotted hole 13, it is beneficial to ensure that the blade can always abut against the compression ring 5 and do regular reciprocating motion in the blade groove 12.
In some embodiments, the cylinder block 1 is formed in a cylindrical shape. The cylindrical cylinder cavity 11 is beneficial to ensuring the stability of the eccentric motion of the compression ring 5 driven by the crankshaft, so that the refrigerant entering the cylinder cavity 11 from the suction hole 14 is efficiently and stably compressed, and the overall performance of the compressor is improved.
In some embodiments, the cylinder body 1 is further dug with at least one exhaust hole 15 penetrating through both axial ends thereof; so as to improve the compression performance of the cylinder, and the overall performance of the compressor is further improved.
In some embodiments, the device further comprises a valve 22, wherein the upper support 2 and the lower support 3 are both provided with a valve hole and a rivet hole, one end of the valve 22 is connected to the valve hole, and the other end of the valve 22 is fixed to the rivet hole through a rivet. The valve 22 is used for sealing the refrigerant in the cylinder, the refrigerant is compressed in the cylinder, when the compressed pressure reaches a certain value, the valve plate is pressed open, and the compressed refrigerant is discharged from the exhaust port of the upper bearing. If there is no valve plate, the inside and outside of the cylinder are not communicated, i.e. the port is blocked in the compression process, and the port is opened when exhausting. The action is determined by the pressure inside the cylinder.
In some embodiments, the cylinder block 1 is further provided with at least one screw hole 16 on the axial surface thereof, and the cylinder block 1 fixes the upper support 2 and the lower support 3 to the screw hole 16 by bolts. The cylinder body 1, the upper support 2 and the lower support 3 are fixed in a sealing mode through bolts.
In some embodiments, the upper support 2 is provided with an upper silencing cover 21 on the surface far away from the cylinder body 1, and the lower support 3 is provided with a lower silencing cover 31 on the surface far away from the cylinder body 1; for reducing the compressor operating sound.
In the embodiment shown in fig. 4, the present application further provides a compressor, which includes the above-mentioned cylinder for reducing blade damage, and further includes a casing 9, a rotor 7, a stator 8, a filter flask 10, a bottom cover, and a top cover; the rotor 7, the stator 8 and the cylinder are arranged in the machine shell 9, the bottom cover covers the bottom of the machine shell 9, the top cover covers the top of the machine shell 9, and the air outlet of the filter bottle 10 penetrates through the machine shell 9 and is connected to the air suction hole 14; the rotor 7 is fixed on the rotating shaft 4, and the rotor 7 extends into the stator 8. The cylinder cavity 11 of the cylinder is defined by a cylinder body 1, an upper support 2 and a lower support 3, and the upper support 2, the lower support 3 and the cylinder body 1 are connected in a sealing way; the cylinder body 1 is fixedly connected with a blade between the compression ring 5 and the slotted hole 13 through the blade groove 12, wherein one end of the blade is connected to the compression ring 5, the other end of the blade is connected to the slotted hole 13, the slotted hole 13 is also provided with an elastic part, the blade can perform telescopic movement in the blade groove 12 through the compression ring 5 and the elastic part, the cylinder body 1 is formed by splicing a first side cylinder body and a second side cylinder body, the heat conductivity coefficient of the second side cylinder body is smaller than that of the first side cylinder body, and the cylinder separates or communicates the first side cylinder body and the second side cylinder body through the continuous rotation of the blade and the compression ring 5; the cylinder of this application is formed by the concatenation of the first side cylinder body and the second side cylinder body that coefficient of heat conductivity is different, can reduce the temperature of the gas that suction hole 14 inhales from this, and compressor input power descends, complete machine efficiency promotes to improve its system matching performance. The blade groove 12 is internally and additionally provided with at least one through hole 17, in the embodiment, the number of the through holes 17 is 1, so that the contact area between the blade and the blade groove 12 is reduced, the friction loss is reduced, and the mechanical efficiency is improved; the structure is simple and easy to realize, and extra cost can not be increased. The efficiency of the compressor is improved.
It should be understood that the above examples of the present application are only examples for clearly illustrating the present application, and are not intended to limit the embodiments of the present application. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present application shall be included in the protection scope of the claims of the present application.
Claims (10)
1. The cylinder capable of reducing damage of the blades is characterized by comprising a cylinder body (1), an upper support (2) and a lower support (3);
a cylinder cavity (11) and a blade groove (12) communicated with the cylinder cavity (11) are formed in the cylinder body (1) along the axial direction of the cylinder body, and a slotted hole (13) communicated with the blade groove (12) and a suction hole (14) communicated with the cylinder cavity (11) are sequentially formed in the cylinder body (1) along the circumferential direction of the cylinder body;
the upper support (2) and the lower support (3) are respectively arranged at two axial ends of the cylinder body (1);
the cylinder body (1) is formed by splicing a first side cylinder body and a second side cylinder body, and the heat conductivity coefficient of the second side cylinder body is smaller than that of the first side cylinder body;
wherein, two side walls of the blade groove (12) are at least dug with a through hole (17).
2. A cylinder with reduced vane damage as set forth in claim 1, characterized in that the diameter of the through hole (17) is smaller than the width of the side wall of the vane slot (12).
3. A cylinder with reduced vane damage according to claim 2, characterized in that the center of the through hole (17) is located in the vane slot (12).
4. The cylinder for reducing the damage of the blade as claimed in claim 1, further comprising a rotating shaft (4) connected between the upper support (2) and the lower support (3), a compression ring (5) sleeved on the rotating shaft (4), and a blade (6), wherein the compression ring (5) is rotatably disposed inside the cylinder cavity (11), and the compression ring (5) is rotated on the cylinder cavity (11) to separate or connect the first side cylinder body and the second side cylinder body; one end of the blade (6) is abutted against the outer wall of the compression ring (5), and the other end of the blade (6) extends into the blade groove (12).
5. A cylinder with reduced vane damage according to claim 1, characterized in that the axis of the slotted hole (13) coincides with the central plane of the vane slot (12).
6. A cylinder with reduced vane damage as claimed in claim 1, wherein the cylinder body (1) is further hollowed with at least one exhaust hole (15) through both axial ends thereof.
7. The cylinder for reducing the blade damage according to claim 1, further comprising a valve (22), wherein the upper support (2) and the lower support (3) are provided with a valve hole and a rivet hole, one end of the valve (22) is connected to the valve hole, and the other end of the valve (22) is fixed to the rivet hole through a rivet.
8. A cylinder for reducing vane damage according to claim 1, wherein the cylinder body (1) is further provided with at least one screw hole (16) on the axial surface thereof, and the cylinder body (1) fixes the upper support (2) and the lower support (3) on the screw hole (16) by bolts.
9. A cylinder with reduced vane damage as set forth in claim 1, characterized in that the upper support (2) is provided with an upper muffling cover (21) on the surface away from the cylinder body (1), and the lower support (3) is provided with a lower muffling cover (31) on the surface away from the cylinder body (1).
10. A compressor, comprising a cylinder with reduced vane damage as claimed in any one of claims 1 to 9, further comprising a casing (9), a rotor (7), a stator (8), a filter flask (10), a bottom cover, a top cover;
the rotor (7), the stator (8) and the cylinder are arranged in the machine shell (9), the bottom cover covers the bottom of the machine shell (9), the top cover covers the top of the machine shell (9), and an air outlet of the filter bottle (10) penetrates through the machine shell (9) and is connected to an air suction hole (14);
the rotor (7) is fixed on the rotating shaft (4), and the rotor (7) extends into the stator (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021494059.8U CN213419359U (en) | 2020-07-24 | 2020-07-24 | Cylinder and compressor capable of reducing damage of blades |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021494059.8U CN213419359U (en) | 2020-07-24 | 2020-07-24 | Cylinder and compressor capable of reducing damage of blades |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213419359U true CN213419359U (en) | 2021-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021494059.8U Active CN213419359U (en) | 2020-07-24 | 2020-07-24 | Cylinder and compressor capable of reducing damage of blades |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213419359U (en) |
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2020
- 2020-07-24 CN CN202021494059.8U patent/CN213419359U/en active Active
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