CN209414110U - Compressor and refrigerating plant with it - Google Patents

Abstract

The utility model provides a kind of compressor and the refrigerating plant with it.Compressor includes: lower case；Upper housing, upper housing are connected with lower case, and upper housing and lower case enclose and be set as accommodating chamber；Cylinder block, cylinder block are set in accommodating chamber, and piston chamber is provided on cylinder block；The first end of inside exhaust pipe, inside exhaust pipe is connected with piston chamber, and the second end of inside exhaust pipe is pierced by outside accommodating chamber from upper housing to be arranged, and compressed refrigerant is expelled to outside shell from piston chamber.By the way that inside exhaust pipe to be pierced by setting from upper housing, so that it is not necessary that reserved space is arranged between the inner wall and cylinder block of lower case, reduce the distance between lower case and cylinder block, to efficiently reduce the size of compressor complete machine, simultaneously, due to being that inside exhaust pipe is pierced by setting above cylinder block, avoids cylinder block and be set to the case where other component and inside exhaust pipe collide on cylinder block, effectively improve the reliability of compressor.

Description

Compressor and refrigerating plant with it

Technical field

The utility model relates to technical field of refrigeration equipment, in particular to a kind of compressor and with its refrigeration Device.

Background technique

Currently, the market competition of refrigerator piston compressor is increasingly fierce, each freezer compressor producer is generally strengthened Control to cost, it is intended to reach customer demand with minimum cost, therefore minimize necessarily becoming as freezer compressor Gesture.On the one hand, as the development and energy-saving requirement of compressor miniaturization subtract if can control the outer dimension of compressor Its light weight, reduces cost, can promote the market competitiveness of compressor.On the other hand, trend toward miniaturization makes in compressor Space becomes more compact, and integrity problem is following.

Exhaust pipe and stator core safe distance are matter of utmost importance, and Conventional press is protruded into using outer exhaust pipe from lower case After be welded and fixed, then carry out 90 ° of bend pipe process, allow inside exhaust pipe to be inserted perpendicularly into and may be implemented and inside exhaust pipe Automatic weld.Since machine core can be shaken in compressor operation, stator core and exhaust pipe are collided in order to prevent, generally It reserves certain safe distance and to consider the machining deviation of bent tube technique, this makes in shell space there are certain waste, Shell volume can not be accomplished ultimate attainment.In miniaturization compressor design, there are two types of conventional solutions, and one kind is fixed to change Stator core is done removal processing by sub- punching shape, and this method will lead to the wide reduction of motor yoke, causes yoke portion flux density to increase, shadow Ring motor performance.Another kind is big shell unilateral side tail dimension, can cause larger shadow to cost to compressor weight is increased in this way It rings, is runed counter to the target of miniaturization, low cost, and destroy the symmetrical structure of compressor, or even will cause noise and increase, vibrate The problems such as excessive.

As depicted in figs. 1 and 2, a kind of compact-sized, inexpensive piston compressor, but each component arrangement are disclosed in figure It is excessively compact, safe distance is not accounted for, the vibration generated during compressor operation will lead to internal part collision, promote Property, safety are poor；Internal part layout type differs greatly with the utility model miniaturization compressor, and it is practical new not influence this The novelty of exhaust pipe layout and assembly method in type.

A kind of micro-piston-type compressor is also disclosed in the prior art, since cylinder block and stationary part are directly fixed, Another side is fixed indirectly, be will lead to cylinder block and is shaken larger, frictional dissipation increase between cylinder block and crankshaft, motor effect in operation Rate reduces；Also without in view of the safe distance between each component, poor reliability；Process duct and air intake duct are distributed in upper casing, but Cylinder is sucked indirectly since air intake duct is directly connect with enclosure interior, then by air suction silencer, so the position of arrangement is unhelpful In solving the interference problem in compressor miniaturization, the innovation of the exhaust pipe layout and assembly method in the utility model is not influenced Property.

Utility model content

The main purpose of the utility model is to provide a kind of compressor and with its refrigerating plant, to solve existing skill The big problem of compressor size in art.

To achieve the goals above, one aspect according to the present utility model provides a kind of compressor, comprising: lower casing Body；Upper housing, upper housing are connected with lower case, and upper housing and lower case enclose and be set as accommodating chamber；Cylinder block, cylinder block are set to In accommodating chamber, piston chamber is provided on cylinder block；The first end of inside exhaust pipe, inside exhaust pipe is connected with piston chamber, interior exhaust The second end of pipe is pierced by outside accommodating chamber from upper housing to be arranged, and compressed refrigerant is expelled to outside shell from piston chamber.

Further, upper housing has concave station structure, and concave station structure offers the through-hole being pierced by for inside exhaust pipe.

Further, the plane of concave station structure is horizontally disposed, at the top of the plane where concave station structure and upper housing The distance between edge is L, wherein 15mm≤L≤20mm.

Further, compressor further include: the first end of outer exhaust pipe, outer exhaust pipe is connected with the outer surface of concave station structure It connects and is connected with through-hole, the surface far from upper housing is arranged after the second end bending predetermined angle of outer exhaust pipe, inside exhaust pipe Second end be arranged with being intratracheally pierced by from outlet.

Further, the contour line of the cross section of the radial direction of upper housing is in oval structure, the second end of outer exhaust pipe Long axis direction along oval structure is extended.

Further, the angle of the axis of the first end of the axis of the second end of outer exhaust pipe and outer exhaust pipe is right angle.

Further, the distance at the upper surface of the second end of outer exhaust pipe to concave station structure is less than or equal to upper housing Top sides are along to the distance at concave station structure.

Further, the inner peripheral surface of the second end of outer exhaust pipe and the outer surface of inside exhaust pipe pass through welded connecting.

Another aspect according to the present utility model, provides a kind of refrigerating plant, including compressor, and compressor is above-mentioned Compressor.

Further, refrigerating plant includes refrigeration system pipeline, and the inducer of refrigeration system pipeline is sheathed on compressor In the second end of outer exhaust pipe.

Using the technical solution of the utility model, by the way that inside exhaust pipe to be pierced by setting from upper housing, so that being not necessarily to Reserved space is set between the inner wall and cylinder block of lower case, that is, reduces the distance between lower case and cylinder block, to have The size of compressor complete machine is reduced to effect, simultaneously as being that inside exhaust pipe is pierced by setting above cylinder block, is avoided Cylinder block is set to the case where other component and inside exhaust pipe collide on cylinder block, and effectively improve compressor can By property.

Detailed description of the invention

The accompanying drawings constituting a part of this application is used to provide a further understanding of the present invention, this is practical Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model. In the accompanying drawings:

Fig. 1 shows the structural schematic diagram of the embodiment of compressor in the prior art；

Fig. 2 shows the structural schematic diagrams at another visual angle of the embodiment of compressor in the prior art；

Fig. 3 shows the structural schematic diagram of the first embodiment of compressor according to the present utility model；

Fig. 4 shows the structural schematic diagram of the second embodiment of compressor according to the present utility model；

Fig. 5 shows in Fig. 4 enlarged structure schematic diagram at A；

Fig. 6 shows the structural schematic diagram of the 3rd embodiment of compressor according to the present utility model.

Wherein, the above drawings include the following reference numerals:

1, crankshaft；2, connecting rod；3, cylinder block；4, muffler；5, motor rotor component；6, motor stator component；7, Lower case；8, upper housing；9, inside exhaust pipe；10, outer exhaust pipe；11, binding post；12, bearing outer rim；13, stator mounting leg； 14, pressure spring；15, air intake duct；16, process duct；17, balance weight；18, valve board assembly；19, concave station structure；20, soldering paste.

Specific embodiment

It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase Mutually combination.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.

It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.

It should be noted that term " first ", " second " etc. in the description and claims of this application and attached drawing It is to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that the art used in this way Language is interchangeable under appropriate circumstances, so that presently filed embodiment described herein for example can be in addition to illustrating herein Or the sequence other than those of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that Cover it is non-exclusive include, for example, containing the process, method, system, product or equipment of a series of steps or units need not limit In step or unit those of is clearly listed, but may include be not clearly listed or for these process, methods, produce The other step or units of product or equipment inherently.

For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ", " ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction " Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and " in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and And respective explanations are made to the opposite description in space used herein above.

Now, the illustrative embodiments according to the application are more fully described with reference to the accompanying drawings.However, these are exemplary Embodiment can be implemented by many different forms, and should not be construed to be limited solely to embodiment party set forth herein Formula.It should be understood that it is thoroughly and complete to these embodiments are provided so that disclosure herein, and these are shown The design of example property embodiment is fully conveyed to those of ordinary skill in the art, in the accompanying drawings, for the sake of clarity, it is possible to expand The big thickness of layer and region, and make that identical device is presented with like reference characters, thus omission retouches them It states.

In conjunction with shown in Fig. 3 to Fig. 6, embodiment according to the present utility model provides a kind of compressor.

Specifically, as shown in figure 3, the compressor includes lower case 7, upper housing 8, cylinder block 3 and inside exhaust pipe 9.Upper casing Body 8 is connected with lower case 7, and upper housing 8 and lower case 7 enclose and be set as accommodating chamber.Cylinder block 3 is set in accommodating chamber, cylinder block 3 On be provided with piston chamber.The first end of inside exhaust pipe 9 is connected with piston chamber, and the second end of inside exhaust pipe 9 is pierced by from upper housing 8 It is arranged outside accommodating chamber, compressed refrigerant is expelled to outside shell from piston chamber.

In the present embodiment, by the way that inside exhaust pipe to be pierced by setting from upper housing, so that without the inner wall in lower case Reserved space is set between cylinder block, that is, reduces the distance between lower case and cylinder block, to efficiently reduce pressure The size of contracting machine complete machine avoids cylinder block and is arranged simultaneously as being that inside exhaust pipe is pierced by setting above cylinder block In other component on cylinder block and inside exhaust pipe collide the case where, the reliability of compressor is effectively improved.

Specifically, as shown in Figures 2 and 3, upper housing 8 has concave station structure 19, and concave station structure 19 is offered for interior exhaust The through-hole that pipe 9 is pierced by.Setting can facilitate inside exhaust pipe 9 to stretch out out of upper housing 8 in this way.The concave station structure 19 is towards upper casing The bottom of the groove of body inner recess, groove has planar structure, and through-hole is provided in the planar structure.

Further, the plane of concave station structure 19 is horizontally disposed, plane and upper housing 8 where concave station structure 19 The distance between top sides edge is L, wherein 15mm≤L≤20mm.Setting enables to the height after the stretching of inside exhaust pipe 9 in this way Degree is not higher than the top of upper housing 8.Setting is conveniently positioned at the component above lower case in this way.

As shown in figure 4, compressor further includes outer exhaust pipe 10.The first end of outer exhaust pipe 10 and the appearance of concave station structure 19 Face is connected and is connected with through-hole, and the surface far from upper housing 8 is arranged after the second end bending predetermined angle of outer exhaust pipe 10, The second end of inside exhaust pipe 9 is arranged with being pierced by out of outer exhaust pipe 10.Setting can be avoided outer exhaust pipe 10 and be located at pressure in this way Component above contracting machine does not interfere.

Preferably, the contour line of the cross section of the radial direction of upper housing 8 is in oval structure, the second end of outer exhaust pipe 10 Long axis direction along oval structure is extended.The axis of the first end of the axis of the second end of outer exhaust pipe 10 and outer exhaust pipe 10 The angle of line is right angle.Wherein, the distance at the upper surface to concave station structure 19 of the second end of outer exhaust pipe 10 is less than or equal to The top sides of upper housing 8 are along to the distance at concave station structure 19.

As shown in figure 5, the outer surface of the inner peripheral surface of the second end of outer exhaust pipe 10 and inside exhaust pipe 9 passes through welded connecting. Welding position is at the inner edge of outer exhaust pipe port, and this exhaust pipe assembly method and welding position avoid after soldering paste 20 melts directly Tap into the hidden danger into refrigerator system.

Compressor in above-described embodiment can be also used for technical field of refrigeration equipment, i.e., according to the present utility model another Aspect, provides a kind of refrigerating plant, including compressor, and compressor is the compressor in above-described embodiment.Preferably, the refrigeration Device can be refrigerator.

Wherein, refrigerating plant includes refrigeration system pipeline, and the inducer of refrigeration system pipeline is sheathed on the outlet of compressor In the second end of tracheae 10.

Specifically, it using the compressor of the structure, solves exhaust pipe and motor stator core safe distance is insufficient, to increase The problem of adding safe distance to sacrifice motor performance or cause complete machine increased costs.Solves exhaust pipe assembly side in the prior art The problem that formula and welding position cause compressor reliability low.

Since compressor eliminates exhaust pipe and stator core in such a way that inside exhaust pipe is stretched out from upper casing in the application Interference, shell volume can be reduced to ultimate attainment, under the premise of not influencing motor performance, substantially reduce material cost and compression Machine weight.By changing assembly method and the welding position of inside and outside exhaust pipe, avoids soldering paste and shed into the hidden of refrigerator system Suffer from.

As shown in figure 3, the compressor include crankshaft 1, connecting rod 2, cylinder block 3, muffler 4, motor rotor component 5, Motor stator component 6, lower case 7, upper housing 8, inside exhaust pipe 9, outer exhaust pipe 10, binding post 11, bearing outer rim 12, pressure spring 14, air intake duct 15, process duct 16, balance weight 17, valve board assembly 18 are constituted, and wherein cylinder block is equipped with stator mounting leg 13, Motor stator is bolted in entire compression mechanism, is connect afterwards by pressure spring with lower case.When compressor is run, motor Rotor band dynamic crankshaft rotates, reciprocating by connecting rod band piston.

As shown in figure 4, upper shell of compressor forms the platform of a recess by forging type, platform is away from shell upper limb 15-20mm, the through-hole for being slightly larger than outer exhaust pipe is furnished at platform, and outer exhaust pipe passes through Kong Bingyu upper casing and passes through welding manner Connection, inside exhaust pipe penetrate outlet tracheae inner hole and slightly above outer exhaust pipe from below vertically, as shown in Figure 3.

By inside and outside exhaust pipe while bend pipe process is carried out after penetrating, 90 ° of bend pipe angle, in order not to interfere refrigerator body Cover board assembly, bend pipe direction are upper casing transverse direction, as shown in figure 4, the inside and outside exhaust gas pipe height after bend pipe is lower than upper casing Most upper limb can not interfere drip tray to be caught in from side in this way.Wherein, inside exhaust pipe outer diameter should be less than outlet tracheal diameter and partially Difference should not be too large, and can reduce shaking in this way, play fixed effect.Finally, refrigerator system pipeline is directly sleeved on outer exhaust pipe Outer wall is welded.The compressor is not sacrificing motor due to having above-mentioned exhaust pipe layout, assembly method and welding method Under the premise of energy, volume is reduced to ultimate attainment, material cost and main screw lift greatly reduces.

Than that described above, it is also necessary to which explanation is " one embodiment " spoken of in the present specification, " another implementation Example ", " embodiment " etc. refer to that specific features, structure or the feature of embodiment description is combined to be included in the application summary Property description at least one embodiment in.It is not centainly to refer to the same reality that statement of the same race, which occur, in multiple places in the description Apply example.Furthermore, it is understood that is advocated is knot when describing a specific features, structure or feature in conjunction with any embodiment Other embodiments are closed to realize that this feature, structure or feature are also fallen in the scope of the utility model.

In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment Point, reference can be made to the related descriptions of other embodiments.

The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of compressor characterized by comprising

Lower case (7)；

Upper housing (8), the upper housing (8) are connected with the lower case (7), the upper housing (8) and the lower case (7) It encloses and is set as accommodating chamber；

Cylinder block (3), the cylinder block (3) are set in the accommodating chamber, are provided with piston chamber on the cylinder block (3)；

The first end of inside exhaust pipe (9), the inside exhaust pipe (9) is connected with the piston chamber, and the of the inside exhaust pipe (9) Two ends are pierced by outside the accommodating chamber from the upper housing (8) to be arranged, and compressed refrigerant is expelled to from the piston chamber Outside shell.

2. compressor according to claim 1, which is characterized in that the upper housing (8) has concave station structure (19), described Concave station structure (19) offers the through-hole being pierced by for the inside exhaust pipe (9).

3. compressor according to claim 2, which is characterized in that the plane of the concave station structure (19) is set in the horizontal direction It sets, the distance between the plane where the concave station structure (19) and the upper housing (8) top sides edge are L, wherein 15mm≤ L≤20mm。

4. compressor according to claim 2, which is characterized in that the compressor further include:

The first end of outer exhaust pipe (10), the outer exhaust pipe (10) be connected with the outer surface of the concave station structure (19) and with The through-hole is connected, the surface far from the upper housing (8) after the second end bending predetermined angle of the outer exhaust pipe (10) The second end of setting, the inside exhaust pipe (9) is arranged with being pierced by out of described outer exhaust pipe (10).

5. compressor according to claim 4, which is characterized in that the cross section of the radial direction of the upper housing (8) Contour line is in oval structure, and the second end of the outer exhaust pipe (10) is extended along the long axis direction of the oval structure.

6. compressor according to claim 4, which is characterized in that the axis of the second end of the outer exhaust pipe (10) and institute The angle for stating the axis of the first end of outer exhaust pipe (10) is right angle.

7. compressor according to claim 4, which is characterized in that the upper surface of the second end of the outer exhaust pipe (10) is extremely Distance at the concave station structure (19) is less than or equal at the top sides edge to the concave station structure (19) of the upper housing (8) Distance.

8. compressor according to claim 4, which is characterized in that the inner peripheral surface of the second end of the outer exhaust pipe (10) with The outer surface of the inside exhaust pipe (9) passes through welded connecting.

9. a kind of refrigerating plant, including compressor, which is characterized in that the compressor is described in any one of claims 1 to 8 Compressor.

10. refrigerating plant according to claim 9, which is characterized in that the refrigerating plant includes

Refrigeration system pipeline, the inducer of the refrigeration system pipeline are sheathed on the second of the outer exhaust pipe (10) of the compressor On end.