CN217712879U - Compressor plastic casing and compressor - Google Patents

Abstract

The utility model discloses a plastic shell of a compressor, which comprises an upper shell, a lower shell and a base, wherein the upper shell is in threaded connection with the lower shell, a locking device is arranged between the upper shell and the lower shell, and the base is fixedly arranged at the bottom of the lower shell and used for supporting the shell; the outer wall of the upper shell is provided with a locking block, and the outer wall of the lower shell is provided with a locking sheet; the locking device comprises a locking column and a locking nut in threaded connection with the locking column, the locking column penetrates through the locking block and is arranged in a sliding mode with the locking block, a locking groove is formed in the lower portion of the locking column, a locking hole is formed in the locking sheet, the locking column is inserted into the locking hole, the locking sheet is clamped in the locking groove, and the locking nut is located above the locking block. The utility model discloses a plastics material preparation compressor housing can alleviate the whole quality of compressor, and need not to carry out welding process, saves a large amount of energy, can show reduction in production cost.

Description

Compressor plastic casing and compressor

Technical Field

The utility model relates to a compressor technical field especially relates to a compressor plastic casing and compressor.

Background

A compressor is a driven fluid machine that raises low-pressure gas into high-pressure gas, and is a heart of a refrigeration system. The motor is operated to drive the piston to compress the refrigerant gas, and the high-temperature and high-pressure refrigerant gas is discharged to the exhaust pipe to provide power for the refrigeration cycle.

The existing compressor shell is mainly made by stamping a steel plate, an upper shell and a lower shell are formed by stamping, after internal parts of the compressor are assembled and placed into the compressor shell, the upper shell and the lower shell are fixed together in a welding mode to form a closed space in the shell, parts such as a base, a pipeline and the like connected with the shell are fixedly connected with the shell by welding, and lubricating oil is coated on the steel plate in the stamping process of the shell, so that the stamping is facilitated; therefore, lubricating oil is adhered to the surface of the shell, high-temperature cleaning, decontamination and degreasing are needed before welding, a large amount of water resources are consumed in the process, resource waste is caused, a large amount of human resources and electric power resources needed by welding equipment are needed in the welding process, and the production cost is increased; if the compressor is not fixed by welding, the connection strength may be low, the inside of the casing needs to be filled with refrigerant, the pressure of the refrigerant inside the casing is higher than the external pressure, and if the connection strength is low, leakage may be caused, and the compressor may not be used.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compressor plastic casing and compressor to above-mentioned prior art's shortcoming.

In order to solve the above problems, the utility model adopts the following technical proposal:

the utility model provides a compressor plastic casing, includes epitheca, inferior valve and base, threaded connection between epitheca and the inferior valve, be equipped with locking device between epitheca and the inferior valve, the base is fixed to be set up in the bottom of inferior valve for support to the shell.

Furthermore, the outer wall of the upper shell is provided with a locking block, and the outer wall of the lower shell is provided with a locking sheet.

Furthermore, locking device includes locking post and threaded connection and the lock nut on the locking post, the locking post runs through the latch segment and slides with the latch segment and set up, the locking groove has been seted up to the lower part of locking post, seted up the locking hole on the latch segment, the locking post is inserted and is located in the locking hole, the latch segment card is located the locking inslot, lock nut is located the top of latch segment.

Furthermore, a circular groove is formed in the outer wall of the lower shell, and the locking piece is rotatably arranged in the groove.

Furthermore, the locking device is provided with a plurality of groups, and the plurality of groups of locking devices are uniformly arranged on the locking block along the circumferential direction.

Furthermore, the radial cross sections of the locking blocks and the locking sheets are both regular polygon structures.

Furthermore, a clamping block is arranged in the groove, a clamping groove matched with the clamping block is formed in the inner ring of the locking sheet, and the clamping block can be clamped in the clamping groove.

Further, the upper shell and the lower shell are integrally formed through injection molding.

Furthermore, reinforcing ribs are arranged on the upper shell and the lower shell.

A compressor comprises the compressor plastic shell, and refrigeration equipment is arranged in the compressor plastic shell.

Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:

1. the compressor shell of the utility model is made of plastic material through injection molding process, the weight is light, the cost is low, the weight of the compressor shell made of plastic is only 20% of that of the shell made of steel plate material, the labor cost and the energy consumption are greatly reduced;

2. the compressor shell in the utility model is made of plastic material, so that lubricating oil is not needed to be smeared in the production process, and subsequent high-temperature cleaning decontamination and degreasing processes are not needed, thereby saving water resources and being beneficial to environmental protection;

3. the upper shell and the lower shell of the utility model are connected by screw thread, and the pipeline and the shell are connected by embedding the shell in the injection molding process, so that welding is not needed, and the manpower, materials and the production cost can be saved; a locking device is arranged between the upper shell and the lower shell, so that the connection strength between the upper shell and the lower shell can be enhanced, and the leakage condition is avoided;

4. the utility model provides a compressor housing adopts the plastics material to make, can reduce the noise of compressor, reduces vibrations, and the noise can be reduced to 34dB by the 37dB of metal material shell, and is more quiet in the use.

Drawings

Fig. 1 is a perspective view of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is an exploded view of the present invention;

fig. 4 is a schematic perspective view of another embodiment of the present invention;

fig. 5 is an exploded view of another embodiment of the present invention;

fig. 6 is a perspective view of the lower case of the present invention;

fig. 7 is another perspective view of the lower case of the present invention.

In the figure: the structure comprises an upper shell 1, a lower shell 2, a base 3, a locking block 4, a locking sheet 5, a locking column 6, a locking nut 7, a locking groove 8, a locking hole 9, a groove 10, a clamping block 11, a clamping groove 12, a reinforcing rib 13, a sealing ring 14, a rib plate 15, a supporting column 16, a supporting pad 17, a compression device 18 and a spring 19.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

As shown in fig. 1 to 3, a plastic shell for a compressor comprises an upper shell 1, a lower shell 2 and a base 3, wherein the upper shell 1 is in threaded connection with the lower shell 2, a locking device is arranged between the upper shell 1 and the lower shell 2, and the base 3 is fixedly arranged at the bottom of the lower shell 2 and used for supporting the shell.

What traditional refrigerant adopted is freon, and freon is big filling the pressure behind the compressor, need can bear the shell that the great steel sheet of pressure was made, and the shell carries out fixed connection through the welded mode, just enables the compressor and normally works and does not produce the leakage, and through continuous development progress, through the renewal of refrigerant and the renewal of plastics material, the utility model provides a compressor shell adopts the plastics material to make, just can bear the pressure of refrigerant and do not produce the leakage, can make the compressor normally work. And the utility model provides a compressor plastic casing is formed by the assembly of epitheca 1 and inferior valve 2, the bottom of epitheca 1 is equipped with the internal thread, the upper portion of inferior valve 2 is equipped with the external screw thread, connects through the screw thread between epitheca 1 and the inferior valve 2, makes epitheca 1 and inferior valve 2 equipment together, need not the welding, can also keep the connection of high strength simultaneously, prevents that the refrigerant from leaking.

Further, be equipped with latch segment 4 on the outer wall on the epitheca 1, be equipped with stay 5 on the outer wall of inferior valve 2, the radial cross-section of latch segment 4 and stay 5 is regular polygon structure. The locking block 4 and the locking sheet 5 in the utility model are arranged in a polygon structure, which can lock the upper shell 1 and the lower shell 2 conveniently; specifically, the radial cross sections of the locking blocks 4 and the locking sheets 5 are regular hexagon structures, the structures of the locking blocks and the locking sheets are similar to nuts, and a spanner can be used for screwing the locking blocks and the locking sheets, so that the operation is convenient.

Further, locking device includes locking post 6 and threaded connection and locking nut 7 on the locking post 6, locking post 6 runs through the latch segment 4 and sets up with latch segment 4 slides, locking groove 8 has been seted up to the lower part of locking post 6, locking hole 9 has been seted up on the stay 5, locking post 6 is inserted and is located in locking hole 9, locking plate 5 blocks in locking groove 8, locking nut 7 is located the top of latch segment 4.

In the utility model, a through hole which penetrates through the locking block 4 in the vertical direction is formed in the locking block 4, the locking column 6 is inserted into the through hole and can slide up and down in the through hole, after the upper shell 1 and the lower shell 2 are in threaded connection and are locked with each other, in order to further strengthen the connection strength between the upper shell 1 and the lower shell 2, the locking column 6 is inserted into the locking hole 9, a locking groove 8 is horizontally formed on the side wall of the locking column 6, the width of the locking groove 8 is the same as the thickness of the locking sheet 5, so that the locking sheet 5 can be inserted into the locking groove 8; after the stay 5 inserts in the locking groove 8, screw up lock nut 7, lock nut 7 is rotatory on locking post 6, because lock nut 7 is located the top of latch segment 4, consequently lock nut 7 receives the blockking of latch segment 4 unable downstream at rotatory in-process, and lock nut 7 drives locking post 6 and upwards removes when rotating, and the card is equipped with stay 5 in the locking groove 8, consequently, stay 5 can play the effect of upwards hindering to locking post 6, screws up the back as lock nut 7, can strengthen the joint strength of epitheca 1 and inferior valve 2, prevents that the refrigerant from leaking.

Further, circular recess 10 has been seted up on the outer wall of inferior valve 2, stay 5 rotates and sets up in recess 10, can prevent the unable circumstances of aiming at of locking post 6 and locking hole 9, and after epitheca 1 and inferior valve 2 locking, when locking post 6 can't accurately insert locking hole 9, rotate stay 5, make locking hole 9 be located locking post 6 under, make locking post 6 insert in locking hole 9, after locking post 6 inserts locking hole 9, continue to rotate stay 5, make stay 5 insert in locking groove 8, screw up lock nut 7 afterwards, make epitheca 1 and inferior valve 2 locking fixed.

Furthermore, the plurality of groups of locking devices are uniformly arranged on the locking block 4 along the circumferential direction, and the plurality of groups of locking devices are uniformly arranged on the locking block 4, so that the stress can be uniform, and the refrigerant leakage caused by nonuniform stress can be prevented; the locking block 4 is of a polygonal structure, the locking columns 6 are respectively inserted at the included angle of the locking block 4, and the number of the locking columns 6 corresponds to the number of the sides of the locking block 4.

Furthermore, a clamping block 11 is arranged in the groove 10, a clamping groove 12 matched with the clamping block 11 is formed in the inner ring of the locking sheet 5, and the clamping block 11 can be clamped in the clamping groove 12; the width of the groove 10 is larger than the thickness of the locking sheet 5, the width of the groove 10 is at least twice the thickness of the locking sheet 5, the locking sheet 5 can slide up and down in the groove 10 while rotating in the groove 10, a clamping block 11 is arranged in the groove 10, the clamping block 11 is arranged at the upper part of the groove 10, the clamping block 11 can be clamped in a clamping groove 12 of an inner ring of the locking sheet 5 when the locking sheet 5 slides upwards, the locking sheet 5 cannot rotate in the groove 10, so that the upper shell 1 and the lower shell 2 are more convenient to lock, specifically, when the locking sheet 5 cannot rotate in the groove 10, a wrench is sleeved on the locking sheet 5, and when the upper shell 1 and the lower shell 2 are locked in a threaded manner, the wrench can apply a large force to the lower shell 2, and the locking of the upper shell 1 and the lower shell 2 can be convenient; after the upper shell 1 and the lower shell 2 are locked and fixed, the locking sheet 5 slides downwards in the groove 10, the locking sheet 5 is separated from the clamping block 11, the locking sheet 5 can freely rotate at the lower part of the groove 10, the locking sheet 5 rotates, the locking hole 9 rotates to the position right below the locking column 6, the locking column 6 is inserted into the locking hole 9, the locking sheet 5 is inserted into the locking groove 8, and the locking nut 7 is rotated to lock and fix the upper shell 1 and the lower shell 2.

Further, fixture block 11 is equipped with a plurality ofly, and a plurality of fixture blocks 11 evenly set up in recess 10 along the circumferencial direction, draw-in groove 12 is equipped with a plurality ofly, and the quantity of draw-in groove 12 is the same and position looks adaptation with fixture block 11, when stay 5 is located the below of fixture block 11 and is locked by locking post 6, because fixture block 11 has the effect of blockking to fixture block 5, and a plurality of fixture blocks 11 evenly set up and can make the atress of stay 5 even, avoid local atress to lead to unable locking completely between epitheca 1 and the inferior valve 2 fixed, produce and reveal.

As shown in fig. 4 and 5, in another embodiment, the latching block 11 may be a polygonal structure, and the inner ring of the locking plate 5 is adapted to the shape of the latching block 11, when the locking plate 5 slides upwards to latch the locking plate 5 on the latching block 11, the locking plate 5 cannot rotate in the groove 10, the polygonal structure may enable the locking plate 5 to bear a larger force without damaging the locking plate 5 or the latching block 11, and when the locking plate 5 slides downwards to a position below the latching block 11, the locking plate 5 may rotate in the groove 10.

Further, the inner circle of epitheca 1 is equipped with the seal groove, be equipped with sealing washer 14 in the seal groove, sealing washer 14 is the rubber material, sealing washer 14 is located inferior valve 2 directly over, after epitheca 1 and inferior valve 2 screw thread tightening, inferior valve 2 go up along with sealing washer 14 butt and closely laminate, sealing washer 14 receives the extrusion force and warp to fill whole seal groove, can prevent that the refrigerant from revealing by seal groove and threaded connection department.

As shown in fig. 6 and 7, the upper shell 1 and the lower shell 2 are both formed integrally by injection molding, a base 3 for stabilizing the compressor is arranged at the bottom of the lower shell 2, the base 3 and the lower shell 2 are formed integrally by injection molding, and a rib plate 15 is arranged between the lower shell 2 and the base 3 in order to enhance the connection strength between the lower shell 2 and the base 3; in order to enhance the structural strength of the base 3, a plurality of reinforcing rib plates are arranged on the bottom surface of the base 3. The utility model discloses a plastics material makes epitheca 1, inferior valve 2 and base 3, can save material, reduces compressor weight, and makes through the integrated into one piece that moulds plastics, can reduce manufacturing technology, reduction in production cost.

Further, be equipped with strengthening rib 13 on epitheca 1 and the inferior valve 2, strengthening rib 13 is when the production preparation through moulding plastics integrated into one piece with epitheca 1 or inferior valve 2, can strengthen the compressive strength of compressor, makes the inside refrigerant of compressor shell not damaged when keeping high pressure, can not damaged.

Further, the inside of inferior valve 2 is equipped with a plurality of support columns 16, support column 16 is vertical to be set up in the bottom of inferior valve 2, support column 16 is the plastics material, with inferior valve 2 sets up through the integrated into one piece that moulds plastics.

Further, the bottom of base 3 is equipped with supporting pad 17, supporting pad 17 and ground or outer quick-witted direct contact can play the effect of buffering shock attenuation.

Further, be equipped with a plurality of pipelines on inferior valve 3, the pipeline is used for the inner chamber and the external intercommunication of compressor, the pipeline is buried underground and is inlayed in inferior valve 3 at preparation inferior valve 3, need not to carry out welded fastening.

A compressor comprises the compressor plastic shell, wherein a compressor compression device 18 is arranged in the compressor plastic shell, a plurality of springs 19 are arranged at the bottom of the compression device, and the springs 19 are sleeved on supporting columns 16 respectively and used for buffering and damping the compression device 18.

The compressor shell of the utility model is made of plastic, and is integrally formed by injection molding in the manufacturing process, and the pipeline is embedded on the shell during injection molding without welding; the utility model can reduce the weight of the compressor and the production cost under the condition of normal use of the compressor by replacing steel materials with plastics; meanwhile, lubricating oil needs to be coated on a compressor shell made of a steel plate in the manufacturing process, the upper shell and the lower shell need to be welded after stamping is completed, meanwhile, each pipeline may need to be welded and fixed with the shell, the shell needs to be cleaned and decontaminated before welding, a large amount of water and manpower are needed to be wasted during cleaning, and manpower and material resources are wasted; and the utility model discloses in adopt the plastics material to make, need not to wash, threaded connection before epitheca and the inferior valve, need not the welding alright fixed, and in order to keep joint strength, be equipped with locking device between epitheca and the inferior valve and strengthen the joint strength between epitheca and the inferior valve, in order to prevent to leak simultaneously, the screw thread department that is equipped with the sealing washer between epitheca and the inferior valve and epitheca and inferior valve has painted liquid sealed glue, guarantee the seal between epitheca and the inferior valve and strengthen the joint strength between epitheca and the inferior valve. The utility model discloses can reduce 80% weight, can also obviously improve the noise condition simultaneously, reduce to 34dB by 37 dB.

The assembling process comprises the following steps: firstly, a compression device is placed in a lower shell, a spring is sleeved on a support column, then a sealing ring is plugged into a sealing groove of an upper shell, liquid sealant is coated on internal threads of the upper shell, the liquid sealant is also coated on external threads of the lower shell, the upper shell is in threaded connection with the lower shell, and in the tightening process, as the locking blocks and the locking pieces are in regular polygon structures and are matched with the structural size of a wrench, the wrench can be sleeved on the locking blocks and the locking pieces so as to apply tightening force to the upper shell and the lower shell better; after the spanner is sleeved on the locking block and the locking sheet, the locking sheet slides upwards in the groove, so that the clamping block is clamped in the clamping groove, and the locking sheet cannot rotate when the spanner is used for screwing the locking sheet; after the upper shell and the lower shell are screwed, the locking sheet slides downwards in the groove to be in a free rotating state, the locking sheet is rotated to enable the locking hole to be positioned under the locking column, the locking column is inserted into the locking hole, the locking sheet is rotated to enable the locking sheet to be clamped in the locking groove, and the locking nut is screwed to enable the upper shell and the lower shell to be locked and fixed, so that the leakage of a refrigerant is prevented, the connection strength between the upper shell and the lower shell can be enhanced, and the upper shell and the lower shell are prevented from being separated; the utility model discloses need not the welding, can reduce welding process flow, can also reduce electric power and manpower resources that the welding used, reduction in production cost.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims (10)

1. The utility model provides a compressor plastic casing, its characterized in that, includes epitheca (1), inferior valve (2) and base (3), threaded connection between epitheca (1) and inferior valve (2), be equipped with locking device between epitheca (1) and inferior valve (2), base (3) are fixed to be set up in the bottom of inferior valve (2) for the support to the shell.

2. The plastic shell for the compressor as claimed in claim 1, wherein the outer wall of the upper shell (1) is provided with a locking block (4), and the outer wall of the lower shell (2) is provided with a locking sheet (5).

3. The plastic shell of the compressor, according to claim 2, characterized in that the locking device comprises a locking column (6) and a locking nut (7) which is connected with the locking column (6) in a threaded manner, the locking column (6) penetrates through the locking block (4) and is arranged in a sliding manner with the locking block (4), a locking groove (8) is formed in the lower portion of the locking column (6), a locking hole (9) is formed in the locking sheet (5), the locking column (6) is inserted into the locking hole (9), the locking sheet (5) is clamped in the locking groove (8), and the locking nut (7) is located above the locking block (4).

4. The plastic shell of the compressor as claimed in claim 3, wherein the outer wall of the lower shell (2) is provided with a circular groove (10), and the locking piece (5) is rotatably arranged in the groove (10).

5. A plastic casing for a compressor according to claim 3, wherein said locking means are provided in a plurality of sets, said plurality of sets being circumferentially and uniformly arranged on the locking block (4).

6. The plastic shell for the compressor as claimed in claim 4, wherein the radial cross-sections of the locking block (4) and the locking strip (5) are regular polygon structures.

7. The plastic shell for the compressor as claimed in claim 4, wherein a clamping block (11) is arranged in the groove (10), a clamping groove (12) matched with the clamping block (11) is formed in an inner ring of the locking sheet (5), and the clamping block (11) can be clamped in the clamping groove (12).

8. A plastic casing for a compressor, according to claim 1, characterized in that said upper shell (1) and lower shell (2) are both integrally formed by injection moulding.

9. The plastic compressor housing as claimed in claim 8, wherein the upper shell (1) and the lower shell (2) are provided with reinforcing ribs (13).

10. A compressor, characterized in that, comprising the compressor plastic shell of any one of claims 1-9.

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