CN109488571B - Cylinder head assembly and compressor - Google Patents
Cylinder head assembly and compressor Download PDFInfo
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- CN109488571B CN109488571B CN201811515514.5A CN201811515514A CN109488571B CN 109488571 B CN109488571 B CN 109488571B CN 201811515514 A CN201811515514 A CN 201811515514A CN 109488571 B CN109488571 B CN 109488571B
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- cylinder head
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- valve plate
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/10—Adaptations or arrangements of distribution members
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- General Engineering & Computer Science (AREA)
- Compressor (AREA)
Abstract
The invention discloses a cylinder head assembly and a compressor, which are used in the field of compressors, wherein the cylinder head assembly comprises a cylinder head and a cylinder head part, the cylinder head part comprises air suction valve plates, a valve plate, an exhaust valve plate, a cylinder cover and a fixing clamp, the cylinder head part is circular, a cylinder hole is formed in the cylinder head, an ear seat is formed in the fixing clamp, the ear seat is connected with the edge of the fixing clamp through a connecting rib arranged along the stacking direction of the cylinder head part, the ear seat is connected with the cylinder head through a fastening piece, and the cylinder cover, the exhaust valve plate, the valve plate and the air suction valve plate are arranged at the front end of the cylinder hole of the cylinder. The compressor includes a cylinder head assembly. The cylinder head part adopts a circular design, and the circular cylinder head part is installed on the cylinder base through the fastening piece, so that the cylinder head in the prior art is abandoned to be in a square design, the overall size of the cylinder head part is saved, the compressor is favorably miniaturized, the material is saved, the weight is reduced, the gravity center offset of the compressor is avoided to be serious, and the vibration noise of the compressor during working is reduced. The weight of consumed materials is reduced, and the cost is reduced.
Description
Technical Field
The invention is used in the field of compressors, and particularly relates to a cylinder head assembly and a compressor.
Background
The cylinder head part of the existing compressor includes: the cylinder cover comprises a cylinder cover, a cylinder cover gasket, an air suction silencer, a valve plate component, an air suction valve plate, a valve plate gasket, cylinder cover screws and the like, wherein the number of the cylinder cover screws is four. The cylinder cover, the cylinder cover gasket, the valve plate component, the air suction valve plate and the valve plate gasket are in square design in appearance, and cylinder cover screw mounting holes are formed in four corner positions. Correspondingly, threaded holes are provided in the cylinder block panel surface (near the top ends of the cylinder bores), and four cylinder head screws are engaged with the threaded holes to fasten the cylinder head member.
The prior art has the following defects:
1. the cylinder head is designed in a square shape, so that the internal space of the shell of the compressor is occupied, and the miniaturization of the compressor is not facilitated;
2. the whole cylinder head has large size and weight, the gravity center of the compressor is seriously offset, and the compressor has large vibration and high noise;
3. the weight of consumed materials is also large, so that the cost of the compressor is high;
4. the cylinder cover is made of aluminum alloy and is easy to deform, so that the cylinder cover needs to be extremely thick to ensure enough strength, and the cost of the cylinder cover is high; because the thickness of the cylinder cover is large, the gap between the engine core and the shell is too small, so the size of the shell cannot be further reduced, or the distance between the surfaces of the cylinder block plates cannot be further lengthened;
5. the cylinder block threaded hole is close to the top end of the cylinder hole, and after a cylinder head part is fastened by a cylinder cover screw under the action of pretightening force, the deformation of the cylinder hole is large, particularly the deformation of the top end of the cylinder hole is large, the performance of a compressor is easily influenced, and particularly the high-efficiency compressor is high.
Disclosure of Invention
The present invention is directed to solve at least one of the problems of the prior art, and an object of the present invention is to provide a cylinder head assembly and a compressor, which can reduce the overall size of the cylinder head, reduce the weight, and reduce the cost.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a cylinder head subassembly, includes cylinder block and cylinder head part, and the cylinder head part includes suction valve piece, valve plate, discharge valve piece, cylinder head and fixation clamp, and the cylinder head part all is circularly, is equipped with the cylinder hole on the cylinder block, is equipped with the ear seat on the fixation clamp, and the ear seat is connected with the edge of fixation clamp through the splice bar that piles up the direction setting along the cylinder head part, and the ear seat passes through the fastener and is connected with the cylinder block, and the fixation clamp is installed cylinder head, discharge valve piece, valve plate and suction valve piece at the cylinder hole front end of cylinder block.
The cylinder head part positioning surface is arranged on the cylinder seat, the lug seat is fixed on the lug seat positioning surface by a fastener, the cylinder cover, the exhaust valve plate, the valve plate and the air suction valve plate are arranged on the front side of the cylinder head part positioning surface by a fixing clamp, and the fastener avoids the circular air suction valve plate and the circular air suction valve plate.
The cylinder seat is provided with a plurality of fastening action points, the fastening action points of the fastening pieces on the cylinder seat are positioned at the tail ends of the cylinder holes, the tail parts of the cylinder holes are provided with radial deformation avoiding structures, and the radial deformation avoiding structures and the fastening action points of the fastening pieces are distributed in a staggered mode in the circumferential direction of the cylinder holes.
The cylinder head component comprises a cylinder cover gasket, a limiting plate gasket and a valve plate gasket, the cylinder cover gasket, the limiting plate and the limiting plate gasket are sequentially arranged between a cylinder cover and an exhaust valve plate, screw installation avoiding grooves are formed in a fixing clamp, the cylinder cover gasket, the limiting plate gasket and the exhaust valve plate, the valve plate gasket is arranged between an air suction valve plate and a cylinder seat, a pressing block is arranged between a screw head and an ear seat of the screw, and the screw avoids the round valve plate gasket, the air suction valve plate and the valve plate.
Further as an improvement of the technical scheme of the invention, the periphery of the cylinder hole on the cylinder seat is provided with a screw hole, and the tail end of the screw hole is provided with a thread for screwing the screw.
Further as an improvement of the technical scheme of the invention, the cylinder base is provided with a radial positioning barrier, the radial positioning barrier is provided with a rotation limiting groove, and the cylinder cover gasket, the limiting plate gasket, the exhaust valve plate, the valve plate and the suction valve plate are all provided with rotation limiting protrusions matched with the rotation limiting groove.
Further as an improvement of the technical scheme of the invention, the neck of the rotation limiting bulge of the air suction valve plate is contracted, and an avoiding step is arranged on one side of the rotation limiting bulge of the valve plate, which is close to the bottom of the rotation limiting groove.
The cylinder cover gasket, the limiting plate gasket, the exhaust valve plate, the air suction valve plate and the cylinder seat are all provided with axial positioning holes, the air suction silencer further comprises an air suction silencer, a positioning column matched with the axial positioning holes is arranged on the air suction silencer, and the positioning column is provided with a non-circular section.
As further improvement of the technical scheme of the invention, the cylinder head part positioning surface and the lug seat positioning surface are positioned on different planes.
A compressor comprising a cylinder head assembly as claimed in any one of the preceding claims.
One of the above technical solutions has at least one of the following advantages or beneficial effects: the cylinder head part adopts a circular design, and the circular cylinder head part is installed on the cylinder base through the fastening piece, so that the cylinder head in the prior art is abandoned to be in a square design, the overall size of the cylinder head part is saved, the compressor is favorably miniaturized, the material is saved, the weight is reduced, the gravity center offset of the compressor is avoided to be serious, and the vibration noise of the compressor during working is reduced. The weight of consumed materials is reduced, and the cost is reduced.
Drawings
The invention will be further described with reference to the accompanying drawings in which:
FIG. 1 is an exploded view of the construction of an embodiment of the cylinder head assembly of the present invention;
FIG. 2 is a schematic view of a screw hole, radial deformation avoiding structure on a cylinder block according to an embodiment of the cylinder head assembly of the present invention;
FIG. 3 is a schematic view of a cylinder block construction of an embodiment of the cylinder head assembly of the present invention;
FIG. 4 is a schematic view of a suction valve plate according to an embodiment of the cylinder head assembly of the present invention;
FIG. 5 is a schematic view of a valve plate construction of an embodiment of the cylinder head assembly of the present invention;
FIG. 6 is a schematic view of a clamp according to an embodiment of the cylinder head assembly of the present invention;
fig. 7 is an exploded view of the structure of the compressor embodiment of the present invention.
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
In the present invention, if directions (up, down, left, right, front, and rear) are described, reference is made to the structure shown in fig. 1 or fig. 7, but it is only for convenience of describing the technical solution of the present invention, and it is not intended or implied that the technical features referred to must have a specific orientation, be constructed in a specific orientation, and operate, and thus it is not to be construed as limiting the present invention.
In the present invention, "a plurality" means one or more, "a plurality" means two or more, "more than", "less than", "more than", and the like are understood as not including the number; the terms "above", "below", "within" and the like are to be understood as including the number. In the description of the present invention, if there is description of "first" and "second" for the purpose of distinguishing technical features only, it is not to be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.
In the present invention, unless explicitly defined otherwise, the terms "disposed," "mounted," "connected," and the like are to be understood in a broad sense, and for example, may be directly connected or indirectly connected through an intermediate; can be fixedly connected, can also be detachably connected and can also be integrally formed; may be mechanically coupled, may be electrically coupled or may be capable of communicating with each other; either as communication within the two elements or as an interactive relationship of the two elements. The specific meaning of the above-mentioned words in the present invention can be reasonably determined by those skilled in the art in combination with the detailed contents of the technical solutions.
Referring to fig. 1 and 2, an embodiment of the present invention provides a cylinder head assembly, including a cylinder block 1 and a cylinder head part, where the cylinder head part includes an air suction valve plate 2, a valve plate 3, an air discharge valve plate 4, a cylinder head 5 and a fixing clamp 8, the cylinder head part is circular, a cylinder hole 6 is provided on the cylinder block 1, the fixing clamp 8 is formed by rigid or elastic material, an ear seat 9 is provided on the fixing clamp 8, the ear seat 9 is connected with an edge of the fixing clamp 8 through a connecting rib 10 arranged along a stacking direction of the cylinder head part, the ear seat 9 is connected with the cylinder block 1 through a fastener, and the fixing clamp 8 installs the cylinder head 5, the air discharge valve plate 4, the valve plate 3 and the air suction valve plate 2 at a front end of the cylinder hole 6 of the cylinder.
The cylinder head part is designed in a circular mode, wherein the circular mode is to be understood in a broad sense, the cylinder head part can be in a standard circular mode, the cylinder head part can also be in a non-standard circular mode, grooves, bulges and the like are formed in the standard circular part, the circular cylinder head part is installed on the cylinder base 1 through the fastening piece, the cylinder head in the prior art is abandoned to be in a square design, the overall size of the cylinder head part is saved, the compressor is favorably miniaturized, materials are saved, the weight is reduced, the phenomenon that the center of gravity of the compressor is seriously offset is avoided, and the vibration noise of the compressor during working is. The weight of consumed materials is reduced, and the cost is reduced.
In some embodiments, referring to fig. 6, one or more of the ear seats 9 are provided, each ear seat 9 is provided with a fastener, and the connecting rib 10 is used for connecting with the ear seat 9 and also for limiting other cylinder head components. The connecting rib 10, the lug seat 9 and the fixing clamp 8 are integrally formed or formed in a split mode, preferably, the connecting rib 10 comprises a left connecting rib and a right connecting rib, the exhaust pressure of the cylinder head acts on the fixing clamp 8 in an asymmetrical mode, the fixing clamp 8 is stressed in the single side in an overlarge mode, deformation is asymmetrical, and therefore the reinforcing rib 11 is arranged on the connecting rib 10 in the single side.
In some embodiments, the lug seat 9 is in contact with or separated from the cylinder seat 1, preferably, referring to fig. 3, a circular cylinder head part positioning surface 28 is arranged on the cylinder seat 1, a lug seat positioning surface 29 is arranged on the cylinder seat 1, the lug seat 9 is fixed on the lug seat positioning surface 29 by a fastener, the lug seat 9 is in contact with the lug seat positioning surface 29, the connection precision and stability are improved, the cylinder head 8, the exhaust valve plate 4, the valve plate 3 and the intake valve plate 2 are arranged on the front side of the cylinder head part positioning surface 28 by a fixing clamp 8, and the fastener avoids the circular intake valve plate 2 and the valve plate 3.
In some embodiments, the fastening action point of the fastener on the cylinder block 1 is located at the tail end of the cylinder hole 6, the tail part of the cylinder hole 6 is provided with a radial deformation avoiding structure, the radial deformation avoiding structure and the fastening action point of the fastener are distributed in a staggered manner in the circumferential direction of the cylinder hole 6, for example, when two fasteners are arranged, the radial deformation avoiding structure and the fastener are arranged in a diagonal position. Stress points fastened by the fastening pieces are arranged at the tail end of the cylinder hole 6, the top end of the cylinder hole 6 is far away, a radial deformation avoiding structure is arranged, the piston is prevented from being stuck at the top dead center, and the influence of the deformation of the cylinder hole 6 on the performance of the compressor is avoided.
In some embodiments, the radial deformation avoiding structure comprises a radial deformation avoiding pit, a radial deformation avoiding groove 7, a radial deformation avoiding gap and the like, and the radial deformation avoiding structure is a deformation point where the deformation amount of the cylinder hole 6 is negative, namely the radius is reduced, so that unsmooth movement of the piston caused by deformation of the cylinder hole 6 is avoided. Preferably, referring to fig. 2, the radial deformation avoiding structure includes a radial deformation avoiding groove 7 provided on a wall of a tail hole of the cylinder hole 6.
In some embodiments, the retaining clip 8 has a hollow inner ring 12, which leaves a protrudable aperture in the cylinder head 5, increasing the internal space of the cylinder head 5, and performing the exhaust silencing function.
In some embodiments, the fastener is a buckle, a bolt, a pull buckle, and the like, preferably, referring to fig. 2, the fastener includes a screw 13, a screw hole 14 is provided on the periphery of the cylinder hole 6 on the cylinder block 1, a thread 15 for screwing the screw is provided at the end of the screw hole 14, when in connection, the screw 13 passes through the lug seat 9, the screw head is matched with the lug seat 9, the end of the screw 13 is in threaded connection with the screw hole 14, while fastening the cylinder head component, a stress point for fastening the fastener is provided at the tail end of the cylinder hole 6, away from the top end of the cylinder hole 6, and a radial deformation avoiding structure is provided to avoid the piston from being stuck at the top dead center, and to avoid the influence of the.
In some embodiments, referring to fig. 1, the cylinder head component further includes a cylinder head gasket 16, a limit plate 17, a limit plate gasket 18, and a valve plate gasket 19, the cylinder head gasket 16, the limit plate 17, and the limit plate gasket 18 are sequentially disposed between the cylinder head 5 and the exhaust valve plate 4, and the fixing clamp 8, the cylinder head 5, the cylinder head gasket 16, the limit plate 17, the limit plate gasket 18, and the exhaust valve plate 4 are provided with screw installation avoiding grooves 20, so that a distance of more than 3mm is maintained between the cylinder head 5, the cylinder head gasket 16, the limit plate 17, the limit plate gasket 18, and the exhaust valve plate 4 and a screw head, and a tool for screwing is.
In some embodiments, referring to fig. 1, a valve plate gasket 19 is arranged between the suction valve plate 2 and the cylinder seat 1, a pressing block 21 is arranged between a screw head of the screw and the lug seat 9, and the pressing block 21 is additionally arranged between the lug seat 9 and the screw, so that sufficient strength is ensured to resist elastic deformation. Because the exhaust pressure in the cylinder cover is large, the design can reduce the material thickness of the fixing clamp 8 and ensure that the deformation of the pressing surface of the fixing clamp 8 is not too large. At the same time, the screws avoid the circular valve plate gasket 19, the suction valve plate 2 and the valve plate 3. Because fixation clamp 8 and compact heap 21 have certain thickness (1 ~ 2.5mm), the screw is bed hedgehopping, consequently the screw head with valve plate 3, 2 valve plate gaskets 19 of air suction valve block misplace in the vertical direction and arrange, do not set up the screw head installation on consequently valve plate 3, the 2 valve plate gaskets 19 of air suction valve block and dodge the groove. Therefore, the sealing performance of the valve plate gasket 19 of the valve plate 3 and the air suction valve plate 2 is guaranteed, leakage in the cylinder hole 6 is avoided, the diameter of the cylinder hole can be greatly increased, and the performance of the compressor is improved.
In various embodiments, the gasket can ensure the tightness of the cylinder head assembly.
In some embodiments, because the cylinder head component is designed in a circular shape, positioning needs to be performed after assembly, a positioning structure is arranged between the cylinder base 1 and the cylinder head component, the positioning structure can adopt a mutually matched tooth and groove structure, as a preferred example, referring to fig. 3, a radial positioning barrier 22 is arranged on the cylinder base 1, a rotation limiting groove 23 is arranged on the radial positioning barrier 22, and a rotation limiting protrusion 24 matched with the rotation limiting groove 23 is arranged on each of the cylinder head gasket 16, the limiting plate 17, the limiting plate gasket 18, the exhaust valve plate 4, the valve plate 3 and the suction valve plate 2. The rotation limiting groove 23 is matched with the rotation limiting bulge 24 of the cylinder head part to prevent the cylinder head part from rotating, and the accurate positioning effect is achieved.
In some embodiments, because the bottom of the rotation limiting groove 23 on the cylinder block is separately machined, the height precision control difficulty is high, the tolerance is large, and when the deviation is large, the suction valve plate 2 and the valve plate 3 may be jacked up to form internal leakage. Referring to fig. 4, the neck of the rotation limiting protrusion 24 of the suction valve plate 2 is contracted to facilitate deformation under stress, and referring to fig. 5, an avoiding step 31 is provided on one side of the rotation limiting protrusion 24 of the valve plate 3 near the bottom of the rotation limiting groove 23. After the rotary limiting bulges 24 of the air suction valve plate 2 and the valve plate 3 are designed in this way, the risk of internal leakage caused by jacking of the rotary limiting grooves 23 of the cylinder block can be effectively prevented.
In some embodiments, referring to fig. 1, the cylinder head gasket 16, the limiting plate 17, the limiting plate gasket 18, the exhaust valve plate 4, the valve plate 3, the intake valve plate 2, and the cylinder block 1 are all provided with axial positioning holes 25, and further include an intake silencer 26, the intake silencer 26 is provided with positioning pillars 27 matching with the axial positioning holes 25, and the positioning pillars 27 have a non-circular cross section. The axial positioning hole 25 is matched with a positioning column 27 at the neck of the silencer, so that the assembly and the positioning are convenient; and the locating post 27 is of non-circular configuration and also acts to prevent rotational movement.
In some embodiments, referring to fig. 3, the head member locating surface 28 and the ear mount locating surface 29 are located on different planes. The lug positioning surface 29 and the cylinder head part positioning surface 28 have a height difference of 0.1-0.5 mm, wherein the cylinder head part positioning surface 28 is designed to be concave. Therefore, the recessed cylinder head component positioning surface 28 can be milled in a rotating mode, and the lug positioning surface 29 is milled in a translating mode, and the two surfaces do not need to be coplanar, so that the flatness does not need to be guaranteed, and the processing difficulty is greatly reduced.
Referring to fig. 7, a compressor including a cylinder head assembly as described in any of the above embodiments, an inner discharge muffler 30 of the compressor is brazed into a mounting hole of a cylinder head.
The invention is not limited to the above embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the invention, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.
Claims (9)
1. A cylinder head assembly, characterized by: including cylinder head and cylinder head part, the cylinder head part includes the suction valve piece, the valve plate, the discharge valve piece, cylinder head and fixation clamp, the cylinder head part all is circularly, be equipped with the cylinder hole on the cylinder head, be equipped with the ear seat on the fixation clamp, the ear seat is connected with the edge of fixation clamp through the splice bar that the direction set up is piled up along the cylinder head part, the ear seat passes through the fastener and is connected with the cylinder head, the fixation clamp is with the cylinder head, the discharge valve piece, the valve plate is installed at the cylinder hole front end of cylinder head with the suction valve piece, be equipped with on the cylinder head and be the annular cylinder head part locating surface of circle, be equipped with the ear seat locating surface on the cylinder head, the fastener is fixed the ear seat at the ear seat locating surface, the fixation clamp is with the cylinder head, the discharge valve piece, valve plate and suction valve piece are installed.
2. The cylinder head assembly of claim 1, wherein: the fastener avoids the circular suction valve plate and the valve plate.
3. The cylinder head assembly of claim 2, wherein: the fastening action point of the fastener on the cylinder seat is located at the tail end of the cylinder hole, the tail part of the cylinder hole is provided with a radial deformation avoiding structure, and the radial deformation avoiding structure and the fastening action point of the fastener are distributed in a staggered mode in the circumferential direction of the cylinder hole.
4. The cylinder head assembly of claim 3, wherein: the fastener includes the screw, and the cylinder head part still includes the cylinder head gasket, the limiting plate, limiting plate gasket and valve plate gasket, and the cylinder head gasket, limiting plate gasket are established in proper order between cylinder head and exhaust valve piece, are equipped with the mounting screw on fixation clamp, cylinder head gasket, limiting plate gasket and the exhaust valve piece and dodge the groove, and the valve plate gasket is established between suction valve piece and cylinder block, is equipped with the compact heap between the screwhead of screw and the ear seat, and the circular valve plate gasket, suction valve piece and valve plate are kept away from to the screw.
5. The cylinder head assembly of claim 4, wherein: the periphery of the cylinder hole on the cylinder seat is provided with a screw hole, and the tail end of the screw hole is provided with a thread for screwing the screw.
6. The cylinder head assembly of claim 4, wherein: the cylinder base is provided with a radial positioning barrier, the radial positioning barrier is provided with a rotary limiting groove, and the cylinder cover gasket, the limiting plate gasket, the exhaust valve plate, the valve plate and the suction valve plate are provided with rotary limiting bulges matched with the rotary limiting groove.
7. The cylinder head assembly of claim 6, wherein: the neck of the rotation limiting bulge of the air suction valve plate is contracted, and the rotation limiting bulge of the valve plate is provided with an avoiding step at one side close to the bottom of the rotation limiting groove.
8. The cylinder head assembly of claim 4, wherein: the cylinder cover gasket, the limiting plate gasket, the exhaust valve plate, the air suction valve plate and the cylinder seat are all provided with axial positioning holes, the air suction silencer further comprises an air suction silencer, a positioning column matched with the axial positioning holes is arranged on the air suction silencer, and the positioning column is provided with a non-circular section.
9. A compressor, characterized by: comprising a cylinder head assembly according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811515514.5A CN109488571B (en) | 2018-12-12 | 2018-12-12 | Cylinder head assembly and compressor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811515514.5A CN109488571B (en) | 2018-12-12 | 2018-12-12 | Cylinder head assembly and compressor |
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| Publication Number | Publication Date |
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| CN109488571A CN109488571A (en) | 2019-03-19 |
| CN109488571B true CN109488571B (en) | 2020-02-21 |
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| CN201811515514.5A Active CN109488571B (en) | 2018-12-12 | 2018-12-12 | Cylinder head assembly and compressor |
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| CN113623171B (en) * | 2021-08-17 | 2023-04-14 | 广州万宝集团压缩机有限公司 | Compressor cylinder head structure, compressor and thermoregulation device |
| CN116398406A (en) * | 2023-03-23 | 2023-07-07 | 广州万宝集团压缩机有限公司 | Compressor assembly, compressor and refrigeration equipment |
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| JP4499550B2 (en) * | 2004-12-27 | 2010-07-07 | 株式会社日立製作所 | Reciprocating compressor |
| CN106996364A (en) * | 2017-05-12 | 2017-08-01 | 加西贝拉压缩机有限公司 | A kind of cylinder cap fixing structure of piston compressor |
| CN108266350B (en) * | 2017-12-20 | 2019-06-04 | 广州万宝集团压缩机有限公司 | A kind of refrigeration compressor circle cylinder head component |
| CN108278191B (en) * | 2017-12-20 | 2019-06-04 | 广州万宝集团压缩机有限公司 | A kind of refrigeration compressor |
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