CN215719368U - Cylinder head, compressor and refrigeration plant - Google Patents

Abstract

The utility model relates to the technical field of compressors and provides a cylinder cover, a compressor and refrigeration equipment. Because the thermal conductivity of thermal-insulated lid is lower, can effectively improve the compressor combustion gas and the inspiratory gaseous condition of taking place heat-conduction, simultaneously, through adopting the installed part to install thermal-insulated lid in the cylinder main part of compressor, in the installation, the installed part is main atress object, and thermal-insulated lid atress is less, can effectively prevent the condition that thermal-insulated lid appears warping to can ensure the gas tightness of the cylinder of compressor.

Description

Cylinder head, compressor and refrigeration plant

Technical Field

The utility model relates to the technical field of compressors, and particularly provides a cylinder cover, a compressor and refrigeration equipment.

Background

The cylinder head is a sealing member for closing a cylinder body of the compressor. Currently, cylinder heads are typically made of metal materials. During the operation of the compressor, the refrigerant gas discharged through the cylinder cover and the refrigerant gas sucked through the cylinder cover are subjected to heat conduction, so that the temperature of the refrigerant gas sucked into the cylinder body of the compressor is relatively increased, the suction is overheated, and the refrigeration capacity of the compressor and the energy efficiency ratio of a refrigeration system are adversely affected.

In order to improve the condition that the temperature of the gas sucked into the cylinder body of the compressor is relatively raised, part of the cylinder cover is made of heat insulating materials. However, since the strength of the cylinder head is insufficient, the cylinder head is deformed by a force during the process of connecting the cylinder head to the cylinder body, resulting in a decrease in the airtightness of the cylinder.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a cylinder cover, a compressor and refrigeration equipment, and aims to solve the technical problem of poor air tightness of the conventional cylinder cover.

In order to achieve the purpose, the embodiment of the utility model adopts the technical scheme that: a cylinder head is used for covering a cylinder body of a compressor and comprises a heat insulation cover body and a mounting piece, wherein the mounting piece is connected with the heat insulation cover body, and the mounting piece is used for being connected with the cylinder body.

In one embodiment, the heat insulation cover body is an injection molding piece, the mounting piece is a metal piece, and the heat insulation cover body and the mounting piece are integrally injection molded.

In one embodiment, a plurality of gaps are arranged on the peripheral side of the heat insulation cover body, and one mounting piece is hermetically mounted in each gap.

In one embodiment, a first groove is formed in a side wall of the mounting member, and a first protruding strip matched with the first groove is formed in a side wall of the heat insulation cover body.

In one embodiment, when a first groove is formed in a side wall of the mounting member, which is connected to the heat insulation cover body, the first groove has a plurality of first cross sections perpendicular to a depth direction of the first groove, and areas of the plurality of first cross sections sequentially increase as the depth of the first groove increases;

in one embodiment, a first concave portion is arranged on a side wall of the first groove, and a first convex portion matched with the first concave portion is arranged on a side wall of the first convex strip; or,

the side wall of the first groove is provided with a first convex part, and the side wall of the first convex strip is provided with a first concave part matched with the first concave part.

In one embodiment, a second protruding strip is arranged on the side wall of the mounting part, and a second groove matched with the second protruding strip is arranged on the side wall of the heat insulation cover body.

In one embodiment, the second ribs have a plurality of second cross sections perpendicular to the protruding direction of the second ribs, and the areas of the plurality of second cross sections sequentially increase as the protruding distance of the second ribs increases.

In one embodiment, a second concave portion is arranged on a side wall of the second protruding strip, and a second convex portion matched with the second concave portion is arranged on a side wall of the second groove; or,

and a second convex part is arranged on the side wall of the second convex strip, and a second concave part matched with the second convex part is arranged on the side wall of the second groove.

The cylinder cover provided by the embodiment of the utility model at least has the following beneficial effects: because the refrigerant gas sucked into the cylinder body by the compressor and the refrigerant gas exhausted from the cylinder body pass through the cylinder cover, and the heat insulation cover body of the cylinder cover provided by the application is made of heat insulation materials, the heat conductivity of the heat insulation cover body is low, so that excessive heat exchange does not exist between the exhausted refrigerant gas and the sucked refrigerant gas, when the cylinder cover is applied to the compressor, the condition of heat conduction between the refrigerant gas exhausted by the compressor and the sucked refrigerant gas can be effectively improved, the temperature of the sucked refrigerant gas can be ensured not to be too high, the compressor is further ensured to have stable refrigerating capacity, and the energy efficiency ratio of refrigerating equipment with the compressor can be effectively improved; simultaneously, will insulate against heat the lid through setting up the installed part and install on the cylinder main part of compressor, in the installation, the installed part is main atress object, and thermal-insulated lid atress is less, can prevent effectively that the condition of deformation from appearing in the thermal-insulated lid to can ensure the gas tightness of the cylinder of compressor.

In order to achieve the above object, the present invention further provides a compressor, including a cylinder body and the cylinder head according to any of the above embodiments, wherein the cylinder body has a compression chamber, and the heat insulation cover is mounted on the cylinder body through the mounting member to close the compression chamber.

Since the compressor adopts all the embodiments of the cylinder cover, at least all the beneficial effects of the embodiments are achieved, and no further description is given here.

In order to achieve the above object, the present invention also provides a refrigeration apparatus including the above compressor.

Since the refrigeration equipment adopts all the embodiments of the compressor, at least all the advantages of the embodiments are achieved, and detailed description is omitted.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic structural view of a cylinder head provided in an embodiment of the present invention;

FIG. 2 is a schematic view of the construction of the thermal cover in the cylinder head of FIG. 1;

FIG. 3 is a schematic structural view of a mounting member according to an embodiment of the present invention;

FIG. 4 is a schematic structural view of a mounting member according to another embodiment of the present invention;

FIG. 5 is a schematic structural view of a mount provided in accordance with yet another embodiment of the present invention;

FIG. 6 is a schematic structural view of a mount provided in accordance with yet another embodiment of the present invention;

fig. 7 is a schematic structural diagram of a longitudinal section of a first groove according to an embodiment of the present invention;

fig. 8 is a schematic structural view of a longitudinal section of a first rib according to an embodiment of the present invention;

FIG. 9 is a front view of an insulated cover provided in accordance with an embodiment of the present invention;

FIG. 10 is a cross-sectional view of the insulated lid of FIG. 9 taken along the line A-A.

Wherein, in the figures, the respective reference numerals:

100. a cylinder head; 110. a heat insulating cover body; 111. a first rib; 112. a notch; 113. an exhaust chamber; 114. an air suction cavity; 115. a thermally insulating cavity; 120. a mounting member; 121. a first groove; 122. a second convex strip; 123. a first recess; 124. a first convex portion; 125. a second recess; 126. a second convex portion; 127. mounting holes; 128. a top surface; 129. a bottom surface.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the description of the present invention, it is to be understood that the terms "length," "width," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship illustrated in the drawings, which are used for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and, therefore, should not be taken to be limiting.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In one technical scheme, a cylinder cover of a compressor is usually made of a metal material, and during the operation of the compressor, refrigerant gas discharged through the cylinder cover and refrigerant gas sucked through the cylinder cover are subjected to heat conduction, so that the temperature of the refrigerant gas sucked into a cylinder body is relatively increased, suction overheating is caused, and thus the refrigeration capacity of the compressor and the energy efficiency ratio of a refrigeration system are adversely affected.

In another solution, in order to improve the situation that the temperature of the gas sucked into the cylinder body is relatively increased, the cylinder head of the compressor is made of heat insulating material, however, due to the insufficient strength of the cylinder head, the cylinder head may be deformed by the stress during the process of connecting the cylinder head and the cylinder body, resulting in the reduction of the airtightness of the cylinder.

In view of this, the first aspect of the present application provides a cylinder head 100, which can effectively improve the temperature rise of the gas sucked into the cylinder body by the compressor, and can effectively prevent the cylinder head 100 from deforming during the connection process between the cylinder head 100 and the cylinder body, thereby ensuring that the cylinder head 100 provides good sealing performance for the cylinder of the compressor.

The structure of the cylinder head 100 described above will be described in detail with reference to the accompanying drawings.

Referring to fig. 1, a cylinder head 100 for covering a cylinder body of a compressor includes a heat insulating cover body 110 and a mounting member 120. It is understood that the thermal insulation cover body 110 is made of a thermal insulation material, and the mounting member 120 is coupled to the thermal insulation cover body 110, and the mounting member 120 is used to be coupled to the cylinder body such that the thermal insulation cover body 110 is disposed on the cylinder body.

Because the refrigerant gas sucked into the cylinder body and the refrigerant gas discharged from the cylinder body both pass through the cylinder cover 100, and the heat insulation cover body 110 of the cylinder cover 100 provided by the application is made of heat insulation materials, the heat conductivity of the heat insulation cover body 110 is low, so that excessive heat exchange does not occur between the discharged refrigerant gas and the sucked refrigerant gas, when the cylinder cover 100 is applied to a compressor, the condition of heat conduction between the refrigerant gas discharged by the compressor and the sucked refrigerant gas can be effectively improved, the temperature of the sucked refrigerant gas is ensured not to be too high, the compressor is further ensured to have stable refrigerating capacity, and the energy efficiency ratio of refrigerating equipment with the compressor is effectively improved; meanwhile, the heat insulation cover body 110 is installed on the cylinder body of the compressor through the installation part 120, in the installation process, the installation part 120 is a main stress object, the stress of the heat insulation cover body 110 is less, the deformation of the heat insulation cover body 110 can be effectively prevented, and therefore the air tightness of the cylinder of the compressor can be ensured.

In one embodiment, the thermal cover 110 is an injection molded part, and the mounting member 120 is a metal part, in other words, the thermal cover 110 is made of a material with low thermal conductivity such as plastic or rubber, the mounting member 120 is made of a metal material, and the thermal cover 110 and the mounting member 120 are integrally injection molded.

By adopting the injection molding process to integrate the heat insulation cover body 110 and the mounting member 120, the tightness of the connection part between the heat insulation cover body 110 and the mounting member 120 is better, on one hand, the connection strength between the heat insulation cover body 110 and the mounting member 120 can be effectively improved, and on the other hand, the sealing performance between the heat insulation cover body 110 and the mounting member 120 can be effectively improved.

In one embodiment, as shown in fig. 2, a plurality of notches 112 are formed on the periphery of the heat insulation cover body 110, and each notch 112 is hermetically installed with a mounting member 120, so as to prevent the mounting member 120 from protruding outward from the side portion of the heat insulation cover body 110 after being connected with the heat insulation cover body 110.

In one embodiment, as shown in fig. 3 and 4, the mounting member 120 has a first groove 121 formed on a side wall thereof, and the first groove 121 may be disposed parallel to or perpendicular to an outer periphery of the heat insulation cover 110, or may be disposed obliquely between the top surface 128 and the bottom surface 129 of the mounting member 120.

Referring further to fig. 2, during the injection molding process, the molten material flows into the first groove 121 of the mounting member 120 and fills the space in the first groove 121, after the molten material is cooled and solidified, the thermal insulation cover 110 is formed, and at the same time, the thermal insulation cover 110 having the first protrusion 111 is formed. The first protruding strip 111 is tightly matched with the first groove 121, so that on one hand, the connection strength between the heat insulation cover body 110 and the mounting piece 120 can be effectively improved, on the other hand, a sealing barrier can be formed between the mounting piece 120 and the heat insulation cover body 110, the sealing performance between the heat insulation cover body 110 and the mounting piece 120 can be effectively improved, and the air tightness of the cylinder of the compressor can be more effectively ensured.

In some specific examples of the present embodiment, please refer to fig. 7, the first groove 121 has a plurality of first cross sections (not shown) perpendicular to the depth direction of the first groove 121, and the areas of the plurality of first cross sections sequentially increase as the depth of the first groove 121 increases. In other words, the width of the first groove 121 may be varied in multiple steps, for example, the first groove 121 has a first width dimension, a second width dimension and a third width dimension, and the first width dimension, the second width dimension and the third width dimension sequentially increase as the depth of the first groove 121 increases; alternatively, the width of the first groove 121 is steplessly varied, that is, the width of the first groove 121 gradually increases with the depth of the first groove 121, for example, the longitudinal section of the first groove 121 has a trapezoidal structure.

Through the design of changing the width of the first groove 121, in the injection molding process, after the molten material flows into the first groove 121 and is cooled and solidified, the formed first protruding strip 111 also forms the same changing structure, so that the first protruding strip 111 can be clamped in the first groove 121, and the connection strength between the heat insulation cover body 110 and the mounting piece 120 can be further improved.

In some specific examples of the embodiment, please refer to fig. 3, a first concave portion 123 is disposed on a sidewall of the first groove 121, and it can be understood that the first concave portion 123 may be disposed on one sidewall of the first groove 121, or the first concave portions 123 may be disposed on two opposite sidewalls of the first groove 121, respectively.

In the injection molding process, the molten material flows into the first groove 121 of the mounting member 120 and then flows into the first concave portion 123, after the molten material is cooled and solidified, the side wall of the first protruding strip 111 forms the first convex portion 124, the first convex portion 124 is tightly matched with the first concave portion 123, so that the first groove 121 and the first concave portion 123 of the side wall form a clamping groove structure, the first protruding strip 111 and the first convex portion 124 thereon form a clamping convex structure, and the clamping convex structure is matched with the clamping groove structure, that is, the clamping structure exists between the mounting member 120 and the heat insulation cover body 110, and the connection strength between the heat insulation cover body 110 and the mounting member 120 can be further improved.

In one specific example, please refer to fig. 3, the first concave portion 123 is a groove-shaped structure, the first concave portion 123 extends from one end of the first groove 121 to the other end of the first groove 121, and correspondingly, the first convex portion 124 is a strip-shaped structure, and the first convex portion 124 extends from one end of the first convex strip 111 to the other end of the first convex strip 111, so that a second sealing barrier is formed between the mounting member 120 and the heat insulation cover 110, the sealing performance between the heat insulation cover 110 and the mounting member 120 can be further improved, and the air tightness of the cylinder of the compressor can be more effectively ensured.

In another specific example, the number of the first concave portions 123 is plural, the plural first concave portions 123 are each in a notch structure, and the plural first concave portions 123 are sequentially provided at intervals in the extending direction of the first groove 121, and correspondingly, the number of the first convex portions 124 is also plural, the plural first convex portions 124 are each in a bump structure, and the plural first convex portions 124 are sequentially provided at intervals in the extending direction of the first convex strip 111.

In other specific examples of the present embodiment, please refer to fig. 4, a first protrusion 124 is disposed on a sidewall of the first groove 121, it can be understood that the first protrusion 124 may be disposed on one sidewall of the first groove 121, or the first protrusion 124 may be disposed on two opposite sidewalls of the first groove 121.

In the injection molding process, after the molten material flows into the first groove 121 of the mounting member 120 and covers the first protrusion 124, after the molten material is cooled and solidified, at least one sidewall of the first protrusion 111 forms a first concave portion 123, and the first concave portion 123 and the first protrusion 124 are tightly matched, that is, a clamping structure is formed between the mounting member 120 and the heat insulation cover body 110, so that the connection strength between the heat insulation cover body 110 and the mounting member 120 can be further improved.

In one specific example, please refer to fig. 4, the first protruding portion 124 has a strip structure, the first protruding portion 124 extends from one end of the first groove 121 to the other end of the first groove 121, and correspondingly, the first recessed portion 123 has a groove structure, and the first recessed portion 123 extends from one end of the first protrusion 111 to the other end of the first protrusion 111, so that a second sealing barrier is formed between the mounting member 120 and the heat insulation cover 110, and the sealing performance between the heat insulation cover 110 and the mounting member 120 can be further improved, so as to ensure the air tightness of the cylinder of the compressor more effectively.

In another specific example, the number of the first protruding portions 124 is plural, the plural first protruding portions 124 are each in a bump structure, and the plural first protruding portions 124 are sequentially arranged at intervals along the extending direction of the first groove 121, and correspondingly, the number of the first recessed portions 123 is also plural, the plural first recessed portions 123 are each in a notch structure, and the plural first recessed portions 123 are sequentially arranged at intervals along the extending direction of the first protruding strip 111.

In another embodiment, please refer to fig. 5 and 6, the side wall of the mounting member 120 connected to the heat insulation cover 110 is provided with a second rib 122, the second rib 122 can be disposed parallel or perpendicular to the outer periphery of the heat insulation cover 110, or disposed obliquely between the top surface 128 and the bottom surface 129 of the mounting member 120, i.e. the second rib 122 extends obliquely downward from the top surface 128 to the bottom surface 129.

In the injection molding process, the second protrusion 122 is covered by the molten material, and after the molten material is cooled and solidified, the heat insulation cover 110 is formed, and at the same time, the heat insulation cover 110 having a second groove (not shown) is formed. The second groove is tightly matched with the second protruding strip 122, so that on one hand, the connection strength between the heat insulation cover body 110 and the mounting piece 120 can be effectively improved, on the other hand, a sealing barrier can be formed between the mounting piece 120 and the heat insulation cover body 110, the sealing performance between the heat insulation cover body 110 and the mounting piece 120 can be effectively improved, and the air tightness of the cylinder of the compressor can be effectively ensured.

In some specific examples of the present embodiment, please refer to fig. 8, the second ribs 122 have a plurality of second cross sections (not shown) perpendicular to the protruding direction of the second ribs 122, and the areas of the plurality of second cross sections sequentially increase as the protruding distance of the second ribs 122 relative to the sidewall of the mounting member 120 increases. In other words, the width of the second rib 122 can be varied in multiple steps, for example, the second rib 122 has a first width dimension, a second width dimension and a third width dimension, and the first width dimension, the second width dimension and the third width dimension sequentially increase with the protrusion distance of the second rib 122 from the side wall of the mounting member 120; alternatively, the width of the second protruding strip 122 is continuously varied, that is, the width of the second protruding strip 122 gradually increases as the protruding distance of the second protruding strip 122 relative to the sidewall of the mounting member 120 increases, for example, the longitudinal section of the second protruding strip 122 has a trapezoidal structure.

Through the design of changing the width of second sand grip 122, in the in-process of moulding plastics, after the molten material covers second sand grip 122, wait that the molten material cools off the solidification back, the second recess that forms also can form same change structure thereupon for second sand grip 122 can be in the block of second recess, can further improve the joint strength between thermal-insulated lid 110 and the installed part 120 like this.

In some specific examples of the present embodiment, please refer to fig. 5, in which the side wall of the second protrusion 122 is provided with a second concave portion 125, it can be understood that one side wall of the second protrusion 122 may be provided with the second concave portion 125, and two opposite side walls of the second protrusion 122 may also be provided with the second concave portion 125, respectively.

In the injection molding process, the molten material covers the second protruding strip 122 of the mounting member 120 and then continuously flows into the second concave portion 125, after the molten material is cooled and solidified, at least one sidewall of the second groove forms a second protruding portion 126, and the second protruding portion 126 is tightly matched with the second concave portion 125, that is, a clamping structure is arranged between the mounting member 120 and the heat insulation cover body 110, so that the connection strength between the heat insulation cover body 110 and the mounting member 120 can be further improved.

In one specific example, please refer to fig. 5, the second concave portion 125 is a groove-shaped structure, the second concave portion 125 extends from one end of the second protruding strip 122 to the other end of the second protruding strip 122, and correspondingly, the second convex portion 126 is a strip-shaped structure, and the second convex portion 126 extends from one end of the second groove to the other end of the second groove, so that a second sealing barrier can be formed between the mounting member 120 and the heat insulation cover 110, the sealing performance between the heat insulation cover 110 and the mounting member 120 can be further improved, and the air tightness of the cylinder of the compressor can be further effectively ensured.

In another specific example, the number of the second concave portions 125 is plural, the plural second concave portions 125 are each in a notch structure, and the plural second concave portions 125 are sequentially arranged at intervals along the extending direction of the second convex strip 122, and correspondingly, the number of the second convex portions 126 is also plural, the plural second convex portions 126 are each in a bump structure, and the plural second convex portions 126 are sequentially arranged at intervals along the extending direction of the second concave strip.

In other specific examples of the present embodiment, please refer to fig. 6, in which a sidewall of the second protrusion 122 is provided with a second protrusion 126, it can be understood that one sidewall of the second protrusion 122 may be provided with the second protrusion 126, and two opposite sidewalls of the second protrusion 122 may be provided with the second protrusions 126, respectively.

In the injection molding process, the molten material covers the second protruding portion 126 while covering the second protruding strip 122 of the mounting member 120, after the molten material is cooled and solidified, at least one sidewall of the second groove forms a second recessed portion 125, and the second recessed portion 125 and the second protruding portion 126 are tightly fitted, that is, a clamping structure exists between the mounting member 120 and the heat insulation cover body 110, so that the connection strength between the heat insulation cover body 110 and the mounting member 120 can be further improved.

In one specific example, please refer to fig. 4, the second protrusion 126 is a strip structure, the second protrusion 126 extends from one end of the second protrusion 122 to the other end of the second protrusion 122, and correspondingly, the second recess 125 is a groove structure, and the second recess 125 extends from one end of the second groove to the other end of the second groove, so that a second sealing barrier is formed between the mounting member 120 and the heat insulation cover 110, the sealing performance between the heat insulation cover 110 and the mounting member 120 can be further improved, and the air tightness of the cylinder of the compressor can be more effectively ensured.

In another specific example, the number of the second protrusions 126 is plural, the plural second protrusions 126 each have a bump structure, and the plural second protrusions 126 are sequentially spaced in the extending direction of the second convex strip 122, and correspondingly, the number of the second recesses 125 is also plural, the plural second recesses 125 each have a notch structure, and the plural second recesses 125 are sequentially spaced in the extending direction of the second concave strip.

In some specific examples of the embodiment, the heat insulation cover 110 may be made of one of PBT (polybutylene terephthalate) material, PES (polyether sulfone) material, PSU (Polysulfone) material, PEEK (polyether ether ketone) material, PPS (Polyphenylene sulfide) material, and PPO (Polyphenylene Oxide) material, and of course, the heat insulation cover 110 may be made of a material formed by compounding two or more of the above materials.

The various materials have the characteristics of low thermal conductivity, high strength, high temperature resistance and the like, so that the heat insulation performance and the strength performance of the heat insulation cover body 110 made of the materials can be effectively ensured, excessive heat exchange between the discharged refrigerant gas and the sucked refrigerant gas is avoided, the condition of heat conduction between the refrigerant gas discharged by the compressor and the sucked refrigerant gas can be effectively improved, the temperature of the sucked refrigerant gas is not overhigh, the compressor is ensured to have stable refrigerating capacity, and the energy efficiency ratio of refrigerating equipment with the compressor is effectively improved; meanwhile, in the process of mounting the cylinder head 100 to the cylinder body, the thermal insulation cover body 110 is effectively prevented from being deformed, and the thermal insulation cover body 110 can also bear a large pressure during the operation of the compressor, so that the airtightness of the cylinder of the compressor can be ensured.

It should be noted that, in addition to the above-mentioned various materials, the thermal insulation cover body 110 may be made of other materials having low thermal conductivity and high strength, and is not limited in particular.

In some specific examples of the present embodiment, since the aluminum alloy material has characteristics of light weight, high strength, and the like, the mounting member 120 is an aluminum alloy member, that is, the mounting member 120 is made of an aluminum alloy material, which can effectively reduce the mass of the cylinder head 100 and improve the connection strength between the cylinder head 100 and the cylinder body.

It should be noted that, besides the aluminum alloy material, the mounting member 120 may also be made of other metal materials, such as stainless steel, copper, etc., and is not limited in particular.

It should be noted that, in addition to the mounting component 120 and the heat insulation cover body 110 being integrally connected by injection molding, other connection methods may also be used to integrally connect the mounting component 120 and the heat insulation cover body 110, for example, the heat insulation cover body 110 is formed by injection molding, and then the mounting component 120 and the heat insulation cover body 110 are integrally connected by a snap structure; for another example, the thermal insulation cover body 110 is formed by an injection molding process, and then the mounting member 120 and the thermal insulation cover body 110 are connected into a whole by a fastening structure; and is not particularly limited herein.

In one embodiment, as shown in FIG. 9 and FIG. 10, the thermal cover 110 has an exhaust chamber 113, an intake chamber 114 and a thermal insulation chamber 115, and the thermal insulation chamber 115 is located between the exhaust chamber 113 and the intake chamber 114. As can be appreciated, the suction chamber 114 serves to receive refrigerant gas sucked into the cylinder body, and the discharge chamber 113 serves to receive refrigerant gas discharged from the compression chamber of the cylinder body. In addition, the insulating cavity 115 is square, circular, or arc-shaped or any other shape, and the size thereof can be adjusted as needed.

During the operation of the compressor, the sucked refrigerant gas enters the compression cavity of the cylinder body through the suction cavity 114, the temperature of the sucked refrigerant gas is low, the refrigerant gas is compressed in the compression cavity and then discharged to the discharge cavity 113, and the temperature of the discharged refrigerant gas is high. Because the heat insulation cover body 110 is made of heat insulation materials, and the heat insulation cavity 115 is arranged between the exhaust cavity 113 and the suction cavity 114, a heat conduction path between the discharged refrigerant gas and the sucked refrigerant gas can be further blocked, so that the condition of heat conduction between the refrigerant gas discharged by the compressor and the sucked refrigerant gas can be effectively improved, the temperature of the sucked refrigerant gas is ensured not to be too high, the compressor is ensured to have stable refrigerating capacity, and the energy efficiency ratio of the refrigeration equipment with the compressor is effectively improved.

In one embodiment, as shown in fig. 1, the number of the mounting members 120 is multiple, and the plurality of mounting members 120 are disposed along the circumferential side of the heat insulation cover body 110. Specifically, the plurality of mounting members 120 are uniformly distributed along the circumferential direction of the heat insulation cover body 110, so that after the cylinder head 100 is mounted on the cylinder body, the whole cylinder head 100 is uniformly stressed, and the sealing uniformity between the cylinder head 100 and the cylinder body can be effectively improved.

Specifically, as shown in fig. 3, the mounting member 120 is provided with a mounting hole 127, and after the mounting member 120 and the heat insulation cover 110 are integrally connected, a fastening member is inserted through the mounting hole 127 of the mounting member 120 and then connected to the cylinder body, so as to mount the cylinder head 100 on the cylinder body.

In one specific example, please refer to fig. 1, the number of the mounting members 120 is four, the thermal insulation cover 110 has a substantially square structure, the four corners of the thermal insulation cover 110 form the notches 112, and each mounting member 120 is disposed in one of the notches 112.

In another embodiment, as shown in fig. 1, the number of the mounting members 120 is three, the thermal insulation cover 110 has a substantially triangular structure, the three corners of the thermal insulation cover 110 form the notches 112, and each mounting member 120 is disposed in one of the notches 112.

It should be noted that the number of the mounting members 120 is determined according to the actual application requirement, and is not limited in particular, and the number of the notches 112 of the heat insulation cover 110 is the same as the number of the mounting members 120.

A second aspect of the present application provides a compressor including a cylinder body having a compression chamber, and the cylinder head 100 of any of the above embodiments, and a heat insulating cover 110 mounted on the cylinder body by a mounting member 120 to close the compression chamber.

Since the compressor adopts all the embodiments of the cylinder head 100, at least all the advantages of the embodiments are achieved, and no further description is given here.

A third aspect of the present application provides a refrigeration apparatus including the above-described compressor.

It should be noted that the refrigeration device of the embodiment of the present invention may be any device for adjusting temperature, such as a refrigerator, a freezer, an air conditioner, a dehumidifier, and the like.

Since the refrigeration equipment adopts all the embodiments of the compressor, at least all the advantages of the embodiments are achieved, and detailed description is omitted.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (11)

1. The utility model provides a cylinder head for cover locate the cylinder main part of compressor on, its characterized in that: the cylinder cover comprises a heat insulation cover body and a mounting piece, wherein the mounting piece is connected with the heat insulation cover body, and the mounting piece is used for being connected with the cylinder main body.

2. The cylinder head of claim 1, wherein: the thermal-insulated lid is the injection molding, the installed part is the metalwork, thermal-insulated lid with the integrative injection moulding of installed part.

3. The cylinder head of claim 1, wherein: the week side of thermal-insulated lid is equipped with a plurality of breachs, each the breach is one of seal installation respectively the installed part.

4. The cylinder head according to claim 1, 2 or 3, characterized in that: be equipped with first recess on the lateral wall of installed part, be equipped with on the lateral wall of thermal-insulated lid with first groove complex first sand grip.

5. The cylinder head of claim 4, wherein: the first groove has a plurality of first cross sections perpendicular to a depth direction of the first groove, and areas of the plurality of first cross sections increase sequentially as the depth of the first groove increases.

6. The cylinder head of claim 4, wherein: a first concave part is arranged on the side wall of the first groove, and a first convex part matched with the first concave part is arranged on the side wall of the first convex strip; or,

the side wall of the first groove is provided with a first convex part, and the side wall of the first convex strip is provided with a first concave part matched with the first concave part.

7. The cylinder head according to claim 1, 2 or 3, characterized in that: and a second convex strip is arranged on the side wall of the mounting part, and a second groove matched with the second convex strip is arranged on the side wall of the heat insulation cover body.

8. The cylinder head of claim 7, wherein: the second convex strip is provided with a plurality of second cross sections which are vertical to the protruding direction of the second convex strip, and the areas of the plurality of second cross sections are sequentially increased along with the increase of the protruding distance of the second convex strip.

9. The cylinder head of claim 7, wherein: a second concave part is arranged on the side wall of the second convex strip, and a second convex part matched with the second concave part is arranged on the side wall of the second groove; or,

and a second convex part is arranged on the side wall of the second convex strip, and a second concave part matched with the second convex part is arranged on the side wall of the second groove.

10. A compressor, characterized by: the compressor includes a cylinder body having a compression chamber and the cylinder head as claimed in any one of claims 1 to 9, the thermal insulating cover being mounted on the cylinder body by the mounting member to close the compression chamber.

11. A refrigeration apparatus, characterized by: the refrigeration appliance comprising a compressor as claimed in claim 10.

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