CN204900203U - Prevent rotating compressor casing - Google Patents

Abstract

The utility model relates to the technical field of refrigeration compressors, and specifically provides an anti-rotation refrigeration compressor housing, which includes a housing upper cover and a lower housing, and the joint connection between the housing upper cover and the lower housing is Asymmetric structure. The problem of easy rotation and unstable operation between the upper cover and the lower housing of the existing refrigeration compressor housing is improved.

Description

Anti-rotation refrigeration compressor housing

technical field

The utility model relates to the technical field of refrigeration compressors, in particular to an anti-rotation refrigeration compressor housing.

Background technique

Refrigeration compressors are the heart and heart of a refrigeration system. The capabilities and characteristics of the compressor determine the capabilities and characteristics of the refrigeration system. The upper cover and the shell of the compressor are connected by welding. Before welding, the upper cover and the lower shell are assembled by buckling. After the upper cover and the shell are assembled, they are transferred to the welding equipment through the wire body. During the circulation process, If the casing and upper cover are rotated, the internal structure of the compressor and the casing will collide or the movement will be out of the correct position.

Utility model content

The purpose of the utility model is to provide an anti-rotation refrigeration compressor housing. to improve the above problems.

The utility model is achieved in that:

A anti-rotation refrigeration compressor housing includes a housing upper cover and a lower housing, and the joint connection between the housing upper cover and the lower housing is an asymmetrical structure.

In the anti-rotation refrigeration compressor housing described above, preferably, the upper cover of the housing is snap-fitted with the lower housing.

The upper cover of the housing and the lower housing are connected together through a fastening connection. Since the connected part is an asymmetrical structure, no rotation will occur between the upper cover of the housing and the lower housing. The fastening method is simple and convenient, and the parallel connection is very firm, and the fastening structure further limits the rotation between the upper cover of the housing and the lower housing.

In the anti-rotation refrigeration compressor housing described above, preferably, the connection port of the upper cover of the housing is provided with an annular protrusion, and the connection port of the lower housing is provided with an annular groove, and the annular protrusion and The annular groove fits and fastens.

The structure of the annular protrusion and the annular groove set above is an asymmetric structure and has the same shape, and the two can be clamped together. This structure is more capable of clamping the upper cover and the lower housing of the housing, and the annular protrusion The shape and structure of the annular groove can effectively prevent the relative rotation between the two.

In the anti-rotation refrigeration compressor housing described above, preferably, the inner and outer walls of the upper cover of the housing are arc-shaped structures, and the bottom and side surfaces of the lower housing are arc-surface structures.

The above arrangement makes the entire refrigeration compressor housing have a spherical shape, and this shape is beneficial to reduce the noise generated by vibration, so that the working environment of the refrigeration compressor is better.

The anti-rotation refrigeration compressor housing described above preferably further includes two machine feet, and the two machine feet are fixedly connected to the bottom of the lower housing.

The correct welding position of the machine feet can ensure the correct fixing of the compressor and the refrigerator, ensure the smooth operation of the compressor, and avoid abnormal noise caused by resonance of the refrigerator.

In the anti-rotation refrigeration compressor housing described above, preferably, the two machine feet are welded to the bottom of the lower housing. Connecting by welding can make the connection more stable and not easy to fall off.

For the anti-rotation refrigeration compressor housing described above, preferably, the bottom of the lower housing is provided with two welding slopes, the machine foot includes a horizontal part and an inclined welding part, and the inclined welding part and the welding slopes welding.

The horizontal part of the machine foot is used to support the entire refrigeration compressor shell, while the inclined welding part is used for welding with the shell. This structure makes the machine foot not only convenient to weld with the shell, but also to provide stable support. effect. However, if the inclined welding part is directly welded to the arc-shaped shell wall, there will be problems of inconvenient welding, and it is unstable and easy to fall off after long-term use. The setting of the welding slope makes it easy to weld the inclined welding part of the machine foot and the welding slope, and the welding effect of the two planes is good, very stable and not easy to fall off.

In the anti-rotation refrigeration compressor housing described above, preferably, the inner wall of the lower housing is further provided with a plurality of support blocks.

The motor and other components need to be installed in the refrigeration compressor. The multiple supporting blocks can support and connect the motor and other components. At the same time, the motor will vibrate in the working state. The direct contact with the body is conducive to protecting the shell and making it less likely to be damaged.

In the anti-rotation refrigeration compressor housing described above, preferably, the thickness of the housing upper cover and the housing wall of the lower housing are both less than 2.5 mm.

The thickness of the shell wall being less than 2.5 mm is beneficial to reduce the weight of the entire refrigeration compressor, which is convenient for installation and transportation. At the same time, the materials used for making the shell are correspondingly reduced, thereby reducing the cost.

In the anti-rotation refrigeration compressor housing described above, preferably, the upper cover and the lower housing of the housing are made of metal. The metal material has good mechanical strength and wear resistance, and is easy to process, making the housing of the refrigeration compressor durable, thereby prolonging the service life of the entire refrigeration compressor, and the metal housing also has good appearance performance .

The beneficial effects achieved by the utility model: by arranging the connecting part of the upper cover and the lower housing of the refrigeration compressor as an asymmetric structure, it is effectively prevented that the upper cover and the lower housing of the housing are assembled, and the wire flow When it comes to welding equipment, during the circulation process, the shell and the upper cover rotate, causing the internal structure of the compressor and the shell to collide or the core to deviate from the correct position.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following drawings will be briefly introduced in the embodiments. It should be understood that the following drawings only show some embodiments of the present invention. Therefore, it should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained according to these drawings without creative work.

Fig. 1 is a schematic structural view of the anti-rotation refrigeration compressor housing provided by the embodiment of the present invention;

Fig. 2 is a structural schematic diagram of the lower housing of the anti-rotation refrigeration compressor housing provided by the embodiment of the present invention;

Fig. 3 is a top view of the lower housing of the anti-rotation refrigeration compressor housing provided by the embodiment of the present invention;

Fig. 4 is a structural schematic diagram of the housing upper cover of the anti-rotation refrigeration compressor housing provided by the embodiment of the present invention;

Fig. 5 is a front view of the lower housing of the anti-rotation refrigeration compressor housing provided by the embodiment of the present invention.

Summary of reference numerals: housing upper cover 100 ; annular protrusion 110 ; lower housing 200 ; annular groove 210 ; welding slope 220 ; support block 230 ;

Detailed ways

The upper cover and the shell of the compressor are connected by welding. Before welding, the upper cover and the lower shell are assembled by buckling. After the upper cover and the shell are assembled, they are transferred to the welding equipment through the wire body. During the circulation process, If the casing and upper cover are rotated, the internal structure of the compressor and the casing will collide or the movement will be out of the correct position. The utility model provides an anti-rotation refrigeration compressor housing to solve the above problems.

The utility model will be described in further detail below through specific implementation examples and in conjunction with the accompanying drawings.

Referring to FIG. 1 , an anti-rotation refrigeration compressor housing provided by an embodiment of the present invention includes a housing upper cover 100 and a lower housing 200 .

The housing upper cover 100 and the lower housing 200 can be connected with each other, and the joint connection between the two is an asymmetrical structure. Specifically, in this embodiment, the joint between the two is irregular. Ellipse-like structure. After the two are connected, due to the asymmetry of their connection positions, there will be no relative rotation between the housing upper cover 100 and the lower housing 200 . Of course, in other embodiments, the shape of the connection portion between the upper case cover 100 and the lower case 200 may also be a trapezoid or other asymmetrical structure.

There are many ways to cooperate and connect between the housing upper cover 100 and the lower housing 200 , and they can be connected by bolts or the like. Specifically, in this embodiment, the housing upper cover 100 is fastened to the lower housing 200 .

The casing upper cover 100 and the lower casing 200 are connected together by buckling, which is simple and convenient, and the connection is also very firm. Due to the asymmetrical structure of the connecting part, there will be no rotation between the housing upper cover 100 and the lower housing 200. At the same time, the snap-fit structure further limits the relationship between the housing upper cover 100 and the lower housing 200. rotation between.

Referring to Fig. 2, Fig. 3, Fig. 4, further, in this embodiment, the connection port of the housing upper cover 100 is provided with an annular protrusion 110, and the connection port of the lower case 200 is provided with an annular groove 210, and the annular groove 210 is the same in size and shape as the annular protrusion 110, and the two cooperate with each other to lock.

The structure of the above-mentioned annular protrusion 110 and annular groove 210 is an asymmetric structure, which is more capable of clamping the housing upper cover 100 and the lower housing 200, and the shape of the annular protrusion 110 and the annular groove 210 The sum structure can effectively prevent the relative rotation between the casing upper cover 100 and the lower casing 200 .

As long as the connection between the upper housing cover 100 and the lower housing 200 is an asymmetric structure, the two will not rotate relative to each other, and the overall shape of the housing is not limited. Specifically, in this embodiment, the housing upper cover 100 The inner and outer walls are arc-shaped, and the bottom and side surfaces of the lower housing 200 are arc-shaped. Therefore, the entire refrigeration compressor housing is spherical, because the vibration of the motor will emit a certain sound, and the sound will propagate in the housing, and the sound will gradually decrease in this shape of the housing, which is beneficial to reduce The noise from vibration makes the working environment of the refrigeration compressor better.

Further, referring to FIG. 5 , the housing of the anti-rotation refrigeration compressor further includes two machine feet 300 , and the two machine feet 300 are fixedly connected to the bottom of the lower housing 200 .

The welding position of machine feet 300 is correct, which can ensure that the compressor and refrigerator are fixed correctly, ensure that the compressor can run smoothly, and avoid abnormal noise caused by resonance of the refrigerator.

Further, the two machine feet 300 are welded to the bottom of the lower casing 200 . Connecting by welding can make the connection more stable and not easy to fall off. Of course, in other embodiments, other connection methods such as riveting may also be used.

Further, referring to FIG. 3 and FIG. 5 , the bottom of the lower housing 200 is provided with two welding slopes 220 , the two welding slopes 220 are integrally formed with the lower housing 200 , and the two welding slopes 220 are opposite to the bottom of the lower housing 200 The bottom of the lower case 200 is arranged symmetrically at the central position. The machine foot 300 includes a horizontal part 310 and an inclined welding part 320. The horizontal part 310 and the inclined welding part 320 are integrally formed to make the structure more stable. The horizontal part 310 is rectangular and parallel to the horizontal plane. The horizontal part 310 is also provided with bolt connection holes. For fixed connections. The size of the inclined welding portion 320 matches the size of the welding slope 220 , and the inclined welding portion 320 is welded with the welding slope 220 during welding.

The horizontal part 310 of the machine foot 300 is used to support the whole refrigeration compressor housing, and the inclined welding part 320 is used for welding with the lower housing 200. This structure enables the machine foot 300 to be easily connected to the lower housing 200 Welding can also play a stable supporting role. However, if the inclined welding portion 320 is directly welded to the arc-shaped shell wall, there will be a problem of inconvenient welding, and it will be unstable and easy to fall off after long-term use. The setting of the welding slope 220 enables the inclined welding portion 320 of the machine foot 300 to be welded with the welding slope 220 conveniently and quickly, and the welding effect between the two planes is better, very stable and not easy to fall off.

Further, referring to FIG. 3 , in this embodiment, the inner wall of the lower housing 200 is further provided with a plurality of support blocks 230 .

Motors and other components need to be installed in refrigeration compressors. The multiple support blocks 230 provided can support and connect the motors and other components. At the same time, the motors will vibrate in the working state. The direct contact with the shell is beneficial to protect the shell and make it not easy to be damaged.

Further, in this embodiment, the thicknesses of the casing walls of the casing upper cover 100 and the bottom casing 200 are both less than 2.5mm. This setting is beneficial to reduce the weight of the entire refrigeration compressor under the condition of ensuring sufficient strength, and is convenient for installation and transportation. At the same time, the materials used for making the shell are correspondingly reduced, thereby reducing the cost. Of course, in other embodiments, the thickness of the shell wall can also be selected from other ranges of values, which is not limited to this embodiment.

Further, in this embodiment, the upper housing cover 100 and the lower housing 200 are made of metal. The metal material has good mechanical strength and wear resistance, and is easy to process, making the housing of the refrigeration compressor durable, thereby prolonging the service life of the entire refrigeration compressor, and the metal housing also has good appearance performance .

To sum up, through the setting of the asymmetric structure of the connecting part between the upper housing cover 100 and the lower housing 200, the rotation between the upper housing cover 100 and the lower housing 200 will not occur, so that the use of the refrigeration compressor is more efficient. It is stable and improves the working performance of the refrigeration compressor.

In order to make the purpose, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model have been clearly and completely described above in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described The embodiments are some embodiments of the present utility model, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the drawings herein may be arranged and designed in a variety of different configurations.

Therefore, the above detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship that is usually placed when the product of the utility model is used. It is only for the convenience of describing the utility model and simplifying the description, rather than Any indication or implication that a referenced device or element must have a particular orientation, be constructed, and operate in a particular orientation should not be construed as limiting the invention. In addition, the terms "first", "second", "third", etc. are only used for distinguishing descriptions, and should not be construed as indicating or implying relative importance.

In the description of the present utility model, it should also be noted that, unless otherwise specified and limited, the terms "setting", "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection , can also be detachably connected, or integrally connected; can be mechanically connected, can also be electrically connected; can be directly connected, can also be indirectly connected through an intermediary, and can be internal communication between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model in specific situations.

Claims (10)

1. An anti-rotation refrigeration compressor housing, characterized in that it includes a housing upper cover and a lower housing, and the joint connection between the housing upper cover and the lower housing is an asymmetrical structure. 2 . The anti-rotation refrigeration compressor housing according to claim 1 , wherein the upper cover of the housing is snap-fitted with the lower housing. 3 . 3. The anti-rotation refrigeration compressor housing according to claim 2, wherein the connection port of the upper cover of the housing is provided with an annular protrusion, and the connection port of the lower housing is provided with an annular groove, The annular protrusion cooperates and fastens with the annular groove. 4. The anti-rotation refrigeration compressor housing according to claim 1, wherein the inner and outer walls of the upper cover of the housing are arc-shaped structures, and the bottom and side surfaces of the lower housing are arc-surface structures . 5 . The anti-rotation refrigeration compressor housing according to claim 1 , further comprising two machine feet, and the two machine feet are fixedly connected to the bottom of the lower housing. 6 . 6. The anti-rotation refrigeration compressor housing according to claim 5, wherein the two machine feet are welded to the bottom of the lower housing. 7. The anti-rotation refrigeration compressor housing according to claim 6, wherein the bottom of the lower housing is provided with two welding slopes, the machine foot includes a horizontal part and an inclined welding part, and the inclined The welding part is welded with the welding slope. 8. The anti-rotation refrigeration compressor housing according to claim 1, wherein a plurality of support blocks are further provided on the inner wall of the lower housing. 9 . The anti-rotation refrigeration compressor housing according to claim 1 , wherein the thicknesses of the upper cover of the housing and the housing walls of the lower housing are both less than 2.5 mm. 10. The anti-rotation refrigeration compressor housing according to claim 1, wherein the housing upper cover and the lower housing are made of metal.