CN217080732U - Swash plate shaft assembly for air conditioner compressor - Google Patents
Swash plate shaft assembly for air conditioner compressor Download PDFInfo
- Publication number
- CN217080732U CN217080732U CN202220983481.2U CN202220983481U CN217080732U CN 217080732 U CN217080732 U CN 217080732U CN 202220983481 U CN202220983481 U CN 202220983481U CN 217080732 U CN217080732 U CN 217080732U
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- swash plate
- ball pin
- seat
- main shaft
- sloping cam
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- 238000009434 installation Methods 0.000 claims abstract description 6
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 230000001050 lubricating effect Effects 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 9
- 238000005461 lubrication Methods 0.000 claims description 5
- 239000000945 filler Substances 0.000 claims description 3
- 238000004378 air conditioning Methods 0.000 claims 1
- 239000003921 oil Substances 0.000 description 33
- 238000000034 method Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The utility model discloses a swash plate axle subassembly for air condition compressor aims at providing a swash plate seat and main shaft joint strength height, the swash plate axle subassembly for air condition compressor that stability is good, and its technical scheme main points are swash plate axle subassembly for air condition compressor, including sloping cam plate and main shaft, one side that the axle center was kept away from to the sloping cam plate is connected with the piston head, and one side that is close to the axle center is equipped with the swash plate seat, and swash plate seat and main shaft fixed connection still include: the flange plates are sleeved on the outer surface of the main shaft, are respectively positioned on two sides of the swash plate seat and are provided with through holes in a circumferential penetrating manner; a plurality of threaded holes with the circumferences arranged at the two sides of the swash plate seat at equal intervals are arranged corresponding to the through holes; wherein, the sloping cam plate seat is installed on the ring flange through being equipped with screw hole complex bolt, through the ring flange structure, is convenient for on the one hand to the installation and the dismantlement of sloping cam plate seat, and on the other hand improves structural strength and stability between sloping cam plate seat and the main shaft, prevents to influence the use of compressor, the utility model is suitable for a compressor accessory technical field.
Description
Technical Field
The utility model belongs to the technical field of the compressor accessory, refer in particular to an air condition is sloping cam plate axle subassembly for compressor.
Background
The swash plate type compressor is a piston type compressor, and the swash plate rotating motion which is inclined to a certain degree with a main shaft drives a piston or a piston rod to reciprocate so as to realize gas compression; and because small, the performance is good, by the wide application in the car air conditioner, adopt interference fit's mode fixed connection between traditional swash plate and the main shaft usually, but this mode is comparatively difficult to the dismantlement maintenance or the change of swash plate.
For example, the chinese patent application No. (CN201821827279.0) discloses a swash plate seat structure for a vane type electric compressor of an automobile air conditioner, which comprises a main shaft, wherein a swash plate is mounted on the surface of the main shaft, the swash plate comprises a swash plate seat and a swash plate selection plate, a cylinder is arranged above the main shaft, a piston is slidably mounted in the cylinder, the piston comprises a piston head and a mounting seat, and the edge of the swash plate rotation plate, which is far away from the rotation center, is clamped in the mounting seat; the swash plate seat and the main shaft of this application adopt last keyway and the flat key of key inslot joint down to install fixedly to the swash plate seat, this structure has the effect of being convenient for to install and dismantle for interference fit's mode, but this structure exists intensity low, the poor stability's when swash plate rotates problem, long-time the use, or the high-speed condition that rocks of swash plate appears easily in the use, and then lead to the local too fast wearing and tearing of piston, influence the performance and the life of compressor.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a swash plate shaft subassembly for air condition compressor that swash plate seat and main shaft joint strength are high, and stability is good.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an air condition is swash plate shaft subassembly for compressor, includes sloping cam plate and main shaft, and one side that the axle center was kept away from to the sloping cam plate is connected with the piston head, and one side that is close to the axle center is equipped with the sloping cam plate seat, and sloping cam plate seat and main shaft fixed connection still include:
the flange plates are sleeved on the outer surface of the main shaft and are respectively positioned on two sides of the swash plate seat, and through holes are formed in the periphery of the flange plates in a penetrating manner;
a plurality of threaded holes are formed in the two sides of the swash plate seat at equal intervals in the circumference and are respectively arranged corresponding to the through holes;
wherein, the sloping cam plate seat is installed on the ring flange through being equipped with the bolt with screw hole complex.
The utility model discloses further set up to, still include:
the bearing is arranged on the swash plate and divides the swash plate into a part close to the axis and a part far away from the axis;
wherein, a part of the swash plate close to the axis is connected with the swash plate seat, and one side far away from the axis is connected with the piston head.
The utility model discloses further set up to, still include:
the movable head is arranged on one side of the swash plate, which is far away from the axis;
the piston head is arranged on one side of the return block;
the mounting groove is formed in the return block and used for mounting the movable head.
The utility model discloses further set up to, the activity head includes:
the ball pin piece is arranged on one surface of the swash plate, which is far away from the axis;
the ball pin seat is positioned in the mounting groove, and one surface, close to the ball pin piece, of the ball pin seat is provided with a first arc groove which is matched with the ball pin piece;
the connecting pieces are arranged on two sides of the ball pin seat and are used for connecting the ball pin seat with the inner wall of the mounting groove;
wherein, the ball pin piece is in threaded connection with one surface of the swash plate away from the axis; the ball pin member is engaged with the ball pin socket.
The utility model discloses further set up to, the connecting piece includes:
the hemispherical blocks are arranged on two side surfaces of the ball pin base;
the connecting column is arranged on the inner wall of the mounting groove, a second arc groove is formed in one side, close to the hemispherical block, of the connecting column, and the second arc groove is matched with the hemispherical block;
wherein, the hemisphere piece matches with the spliced pole.
The utility model discloses further set up to, still include:
and the lubricating assembly is arranged between the ball pin seat and the return block and is used for lubricating the ball pin piece and the ball pin seat.
The utility model discloses further set up to, lubricated subassembly includes:
the oil storage groove is formed in one side, far away from the ball pin piece, of the ball pin seat;
the sealing cover is arranged on the ball pin seat and is used for sealing the oil storage tank;
the oil filling hole is formed in the sealing cover and is connected with an oil filling pipe;
the capillary holes are multiple and arranged in the ball pin seat, and two ends of the capillary holes are respectively communicated with the oil storage tank and the first arc groove.
The utility model discloses further set up to, lubricated subassembly still includes:
the through hole is formed in the return block, penetrates through the bottom wall of the mounting groove and is in threaded connection with a plug;
and the connectors are respectively connected to the two ends of the oil filling pipe and are respectively used for connecting the two ends of the oil filling pipe with the oil filling hole and the through hole.
The utility model discloses further set up to, still include:
the lubricating layer is installed on the inner wall of the first arc groove.
The utility model has the advantages that:
1. by arranging the flange plate, the swash plate seat and the main shaft are installed by adopting the flange plate and the bolts, so that on one hand, the installation and the disassembly of the swash plate seat are convenient, the maintenance and the replacement of the swash plate seat are convenient, on the other hand, the structural strength and the stability between the swash plate seat and the main shaft are effectively improved by adopting the flange plate structure, the swash plate is prevented from shaking during the operation, the stable sliding of the piston is prevented from being influenced, the local over-fast abrasion of the piston is avoided, and the use effect and the service life of the compressor are prevented from being influenced;
2. the bearing is arranged in the swash plate, so that the swash plate is divided into two parts, one part is connected with the swash plate seat and rotates along with the main shaft, the other part is connected with the piston, only the piston is driven to do linear reciprocating motion, the radial acting force on the piston caused by friction between the swash plate and the piston is reduced, the local over-fast abrasion of the piston is reduced, the use effect of the compressor is improved, and the service life of the compressor is prolonged;
3. through the arrangement of the movable head and the return block, the swash plate can better push the piston to do linear reciprocating motion along the axial direction parallel to the main shaft;
4. by arranging the connecting piece which adopts the hemispherical block and the second arc groove on the connecting column, the deviation compensation is realized between the return block and the swash plate, the occurrence of the blocking is reduced, and the running stability of the compressor is improved;
5. by arranging the lubricating assembly, the friction resistance between the first arc groove on the ball pin seat and the ball pin piece is reduced, so that the acting force of the return block ball inlet pin piece and the ball pin seat pushes the piston to reciprocate more stably and efficiently, and the utilization efficiency of power is improved; wherein the lubricating layer can serve for further lifting.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is an enlarged view of the present invention at A in FIG. 1;
in the drawings: 1. a swash plate; 2. a main shaft; 3. a piston head; 4. a swash plate base; 5. a flange plate; 6. a through hole; 7. a threaded hole; 8. a bearing; 9. a movable head; 90. a ball pin member; 91. a ball pin seat; 92. a first arc groove; 93. a hemispherical block; 94. connecting columns; 95. a second arc groove; 10. a return block; 11. mounting grooves; 12. a lubrication assembly; 120. an oil storage tank; 121. sealing the cover; 122. an oil filler hole; 123. an oil filling pipe; 124. a capillary hole; 125. a through hole; 126. a plug; 127. a connector; 13. a lubricating layer; 14. a piston rod.
Detailed Description
The invention is further described in the following with reference to fig. 1 to 2 in a specific embodiment:
example 1:
this embodiment provides a swash plate axle subassembly for air condition compressor, including sloping cam plate 1 and main shaft 2, one side that sloping cam plate 1 kept away from the axle center is connected with piston head 3, and one side that is close to the axle center is equipped with sloping cam plate seat 4, sloping cam plate seat 4 and 2 fixed connection of main shaft still include:
the flange 5 is sleeved on the outer surface of the main shaft 2, the flange 5 is respectively positioned on two sides of the inclined disc seat 4, and a through hole 6 is formed in the flange 5 in a penetrating mode;
a plurality of threaded holes 7 are formed, the circumferences of the threaded holes 7 are arranged on two sides of the swash plate seat 4 at equal intervals, and the threaded holes 7 are respectively arranged corresponding to the through holes 6;
wherein, the swash plate seat 4 is arranged on the flange plate 5 through a bolt matched with the threaded hole 7; the flange 5 and the main shaft 2 are preferably welded.
This embodiment can be seen from, through setting up ring flange 5, install flange 5 and bolt between swash plate seat 4 and the main shaft 2, be convenient for on the one hand to the installation and the dismantlement of swash plate seat 4, thereby be convenient for maintenance and change to swash plate seat 4, on the other hand adopts ring flange 5 structure, effectively improve structural strength and stability between swash plate seat 4 and the main shaft 2, prevent that swash plate 1 from taking place to rock when the operation, avoid influencing the steady slip of piston, cause the local too fast wearing and tearing of piston, prevent to cause the influence to the result of use and the life of compressor.
Example 2:
in this embodiment, in addition to the structural features of embodiment 1, the present invention further includes:
the bearing 8 is arranged on the swash plate 1, and divides the swash plate 1 into a part close to the axis and a part far away from the axis;
wherein, a part of the swash plate 1 close to the axis is connected with the swash plate seat 4, and one side far away from the axis is connected with the piston head 3;
wherein, bearing 8 preferably adopts the cross roller bearing, and preferably adopts interference fit between 1 with the swash plate (this kind of mode is the preferred mode of this application only, also can adopt other bearing 8 and other fixed modes that are used for connecting bearing 8 and swash plate 1, also can adopt other modes to divide into two parts that can rotate relatively with swash plate 1 simultaneously).
In the embodiment, the bearing 8 is arranged in the swash plate 1, so that the swash plate 1 is divided into two parts, one part is connected with the swash plate seat 4 and rotates along with the main shaft 2, the other part is connected with the piston, only the piston is driven to do linear reciprocating motion, the radial acting force on the piston caused by the friction between the swash plate 1 and the piston is reduced, the local over-fast abrasion of the piston is reduced, and the using effect and the service life of the compressor are improved; wherein, adopt the cross roller bearing, make two-part sloping cam plate 1 receive along axial effort when, improve the stability of bearing 8 operation.
Example 3:
in this embodiment, in addition to the structural features of embodiment 2, the method further includes:
the movable head 9, the movable head 9 is installed on one side of the swash plate 1 far away from the axle center;
the piston head 3 is arranged on one side of the return block 10;
the mounting groove 11 is formed in the return block 10 and used for mounting the movable head 9;
the piston head 3 and the return block 10 are preferably connected by a piston rod 14.
In this embodiment, it can be seen that the swash plate 1 is better driven by the movable head 9 and the return block 10 to reciprocate linearly along the axial direction parallel to the main shaft 2.
Example 4:
in this embodiment, in addition to the structural features of embodiment 3, further, the movable head 9 includes:
the ball pin piece 90 is arranged on one surface of the swash plate 1 far away from the axis;
the ball pin seat 91 is positioned in the mounting groove 11, one surface of the ball pin seat 91 close to the ball pin piece 90 is provided with a first arc groove 92, and the first arc groove 92 is matched with the ball pin piece 90;
the connecting pieces are arranged on two sides of the ball pin seat 91 and are used for connecting the ball pin seat 91 with the inner wall of the mounting groove 11;
wherein, the ball pin piece 90 is in threaded connection with one surface of the swash plate 1 far away from the axis; the ball pin member 90 mates with the ball pin socket 91.
In the embodiment, the ball pin member 90 and the ball pin seat 91 provided with the first arc groove 92 matched with the ball pin member 90 are matched, so that the ball pin member 90 can rotate in the ball pin seat 91 more efficiently, and the low-friction operation is ensured; and the connecting member facilitates to improve the mounting strength and stability of the ball pin seat 91 in the mounting groove 11.
Example 5:
in this embodiment, in addition to the structural features of embodiment 4, further, the connecting member includes:
the hemispherical block 93, the hemispherical block 93 is installed on two side surfaces of the ball pin seat 91;
the connecting column 94 is installed on the inner wall of the installation groove 11, a second arc groove 95 is formed in one side, close to the hemispherical block 93, of the connecting column 94, and the second arc groove 95 is matched with the hemispherical block 93;
wherein, the hemispherical block 93 is matched with the connecting column 94; the connecting column 94 is preferably welded to the inner wall of the mounting groove 11, and the hemispherical block 93 is preferably abutted to the side surface of the ball pin seat 91.
In the embodiment, the connecting piece is arranged and adopts the hemispherical block 93 and the second arc groove 95 on the connecting column 94, so that the deviation compensation is realized between the return block 10 and the swash plate 1, the occurrence of the blocking is reduced, and the running stability of the compressor is improved; and the hemisphere block 93 is abutted with the ball pin seat 91, so that the hemisphere block 93 can be conveniently mounted and dismounted.
Example 6:
in this embodiment, in addition to the structural features of embodiment 5, the method further includes:
a lubrication assembly 12, the lubrication assembly 12 being mounted between the ball pin socket 91 and the return block 10 and serving to lubricate the ball pin member 90 and the ball pin socket 91.
In this embodiment, it can be seen that, by providing the lubricating assembly 12, the frictional resistance between the first arc groove 92 on the ball pin seat 91 and the ball pin 90 is reduced, and further, the acting force of the ball pin 90 and the ball pin seat 91 of the return block 10 pushes the piston to reciprocate more stably and efficiently, so as to increase the utilization efficiency of power.
Example 7:
in this embodiment, in addition to the structural features of embodiment 6, further, the lubricating assembly 12 includes:
an oil storage groove 120, wherein the oil storage groove 120 is formed on one side of the ball pin seat 91 far away from the ball pin member 90;
a cover 121, the cover 121 being mounted on the ball pin seat 91 and sealing the oil reservoir 120;
the oil filling hole 122 is formed in the cover 121, and the oil filling hole 122 is connected with an oil filling pipe 123;
a plurality of capillary holes 124, wherein the capillary holes 124 are arranged in the ball pin seat 91, and two ends of the capillary holes 124 are respectively communicated with the oil storage groove 120 and the first arc groove 92;
wherein, the sealing cover 121 and the ball pin seat 91 are preferably installed and connected by bolts and are subjected to sealing treatment (preferably, a sealing gasket is additionally arranged); the filler pipe 123 is preferably a rubber pipe.
In this embodiment, it can be seen that the lubricant is stored in the oil storage tank 120 and is delivered to the surface of the first arc groove 92 through the capillary hole 124, so as to improve the lubricating effect between the ball pin 90 and the first arc groove 92, ensure the power transmission and utilization efficiency, and avoid the excessive power offset caused by the friction between the ball pin 90 and the first arc groove 92; meanwhile, lubricating oil is added into the oil storage tank 120 through the oil filling hole 122, the oil filling pipe 123 improves the convenience of oil filling, and meanwhile the oil storage tank 120 and the capillary hole 124 are convenient to process due to the arrangement of the sealing cover 121.
Example 8:
in this embodiment, in addition to the structural features of embodiment 7, further, the lubricating assembly 12 further includes:
a through hole 125, wherein the through hole 125 is formed in the return block 10, penetrates through the bottom wall of the mounting groove 11 and is in threaded connection with a plug 126;
the connectors 127 are respectively connected to two ends of the oil filling pipe 123 and are respectively used for connecting two ends of the oil filling pipe 123 with the oil filling hole 122 and the through hole 125;
the connection head 127 is preferably screwed to the oil hole 122 and the through hole 125.
In this embodiment, it can be seen that the connector 127 and the oil filling pipe 123 are matched to conduct the outer side of the return block 10 and the oil storage tank 120, so that oil transportation from the outside of the return block 10 to the inside of the oil storage tank 120 is facilitated, and the convenience of oil transportation is improved.
Example 9:
in this embodiment, in addition to the structural features of embodiment 8, the method further includes:
the lubricating layer 13, the lubricating layer 13 is installed on the inner wall of the first arc groove 92;
the lubricating layer 13 is preferably made of polytetrafluoroethylene, and has a fine hole corresponding to the capillary hole 124.
It can be seen that, can play the lubricated effect between further promotion ball round pin piece 90 and the first arc groove 92 through lubricated layer 13, cooperation lubricating oil for activity head 9 motion has the high efficiency, and the polytetrafluoroethylene material still has better wear-resisting effect, increase of service life simultaneously.
While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. The utility model provides an air condition is sloping cam plate axle subassembly for compressor, includes sloping cam plate (1) and main shaft (2), one side that the axle center was kept away from in sloping cam plate (1) is connected with piston head (3), and one side that is close to the axle center is equipped with sloping cam plate seat (4), sloping cam plate seat (4) and main shaft (2) fixed connection, characterized by still includes:
the flange plate (5) is sleeved on the outer surface of the main shaft (2), is respectively positioned on two sides of the inclined disc seat (4), and is provided with a through hole (6) in a penetrating manner on the circumference of the flange plate (5);
the number of the threaded holes (7) is multiple, the threaded holes (7) are arranged on two sides of the swash plate seat (4) at equal intervals in the circumference and correspond to the through holes (6) respectively;
the swash plate seat (4) is arranged on the flange plate (5) through bolts matched with the threaded holes (7).
2. The swash plate assembly for an air conditioner compressor as claimed in claim 1, further comprising:
the bearing (8) is mounted on the swash plate (1), and divides the swash plate (1) into a part close to the axis and a part far away from the axis;
wherein, a part of the swash plate (1) close to the axis is connected with the swash plate seat (4), and one side far away from the axis is connected with the piston head (3).
3. The swash plate shaft assembly for an air conditioner compressor as claimed in claim 2, further comprising:
the movable head (9), the said movable head (9) is installed on one side far away from axle center of the sloping cam plate (1);
the return block (10), the said piston head (3) is installed on one side of the return block (10);
the installation groove (11), installation groove (11) are seted up on return stroke piece (10), and are used for installing activity head (9).
4. A swash plate assembly for air-conditioning compressors according to claim 3, characterized in that said movable head (9) comprises:
the ball pin piece (90) is installed on one surface, far away from the axis, of the swash plate (1);
the ball pin seat (91) is positioned in the mounting groove (11), a first arc groove (92) is formed in one surface, close to the ball pin piece (90), of the ball pin seat (91), and the first arc groove (92) is matched with the ball pin piece (90);
the connecting pieces are arranged on two sides of the ball pin seat (91) and are used for connecting the ball pin seat (91) with the inner wall of the mounting groove (11);
the ball pin piece (90) is in threaded connection with one surface, far away from the axis, of the swash plate (1); the ball pin member (90) is fitted with the ball pin seat (91).
5. The swash plate shaft assembly for an air conditioner compressor of claim 4, wherein the connecting member comprises:
the semi-spherical blocks (93), the semi-spherical blocks (93) are arranged on two side surfaces of the ball pin seat (91);
the connecting column (94), the connecting column (94) is installed on the inner wall of the mounting groove (11), a second arc groove (95) is formed in one side, close to the hemispherical block (93), of the connecting column, and the second arc groove (95) is matched with the hemispherical block (93);
wherein, the hemisphere block (93) is matched with the connecting column (94).
6. The swash plate assembly for an air conditioner compressor as claimed in claim 4, further comprising:
a lubrication assembly (12), the lubrication assembly (12) being mounted between the ball pin seat (91) and the return block (10) and being for lubricating the ball pin member (90) and the ball pin seat (91).
7. The swash plate assembly for air conditioner compressor as claimed in claim 6, wherein said lubricating unit (12) comprises:
the oil storage groove (120), the oil storage groove (120) is arranged on one side of the ball pin seat (91) far away from the ball pin piece (90);
a cover (121), wherein the cover (121) is arranged on the ball pin seat (91) and is used for sealing the oil storage tank (120);
the oil filling hole (122) is formed in the sealing cover (121), and the oil filling hole (122) is connected with an oil filling pipe (123);
and a plurality of capillary holes (124), wherein the capillary holes (124) are formed in the ball pin seat (91), and two ends of the capillary holes are respectively communicated with the oil storage groove (120) and the first arc groove (92).
8. The swash plate assembly for air conditioner compressor as claimed in claim 7, wherein said lubricating unit (12) further comprises:
the through hole (125) is formed in the return block (10), penetrates through the bottom wall of the mounting groove (11), and is in threaded connection with a plug (126);
the connector (127), connector (127) is connected respectively at oiling pipe (123) both ends to be used for oiling pipe (123) both ends respectively and connect oil filler point (122) and through hole (125).
9. The swash plate assembly for an air conditioner compressor as claimed in claim 8, further comprising:
and the lubricating layer (13), wherein the lubricating layer (13) is arranged on the inner wall of the first arc groove (92).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220983481.2U CN217080732U (en) | 2022-04-26 | 2022-04-26 | Swash plate shaft assembly for air conditioner compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220983481.2U CN217080732U (en) | 2022-04-26 | 2022-04-26 | Swash plate shaft assembly for air conditioner compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217080732U true CN217080732U (en) | 2022-07-29 |
Family
ID=82500620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220983481.2U Active CN217080732U (en) | 2022-04-26 | 2022-04-26 | Swash plate shaft assembly for air conditioner compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217080732U (en) |
-
2022
- 2022-04-26 CN CN202220983481.2U patent/CN217080732U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Linpeng Inventor before: Zhang Linming |
|
| CB03 | Change of inventor or designer information |