CN209414109U - Cylinder holder structure and compressor with it - Google Patents

Abstract

The utility model provides a kind of cylinder holder structure and the compressor with it.Cylinder holder structure includes: cylinder block, and multiple silencing cavities are cast on cylinder block, connection through-hole is provided between two neighboring silencing cavity, and the aperture for being connected to the first end of through-hole is different from the connection aperture of second end of through-hole.The connection through-hole for being connected to two adjacent silencing cavities is arranged to the different mode in aperture, the noise that refrigerant generates in transmit process can be effectively reduced, improve the usage experience of user.

Description

Cylinder holder structure and compressor with it

Technical field

The utility model relates to compressor apparatus technical fields, in particular to a kind of cylinder holder structure and have it Compressor.

Background technique

The compressor in refrigerator is small-sized piston refrigeration compressor at present, and structure is crank link mechanism, passes through motor band Dynamic crankshaft and then drive connecting rod and piston, realize the reciprocating motion of piston.Cylinder block is mainly that Pump Body Parts provide support and are Piston provides working chamber, and bearing capacity and the run stability in specific operation generate very big shadow to the service life of complete machine It rings, and affects the economy, efficiency, vibration and noise of compressor.With the promotion of living standards of the people, consumption upgrading is given Refrigerator factory brings huge opportunities and challenges, and requirement of the consumer to noise in ice press is also higher and higher, and low noise is to disappear The ultimate aim that the person of expense pursues.Design has exhaust noise silencing chamber above cylinder block, mainly reduces the noise and vibration of compressor, existing Some refrigeration compressor cylinder blocks are typically provided 1 or 2 exhaust noise silencing chambers are cascaded, then into inside exhaust pipe In, limited to the frequency of noise elimination of noise or existing cylinder block uses four stabilizer blades, rectangular cylinder head, and four screws are locked Tightly, the weight and processing cost of cylinder block are increased.

Utility model content

It is existing to solve the main purpose of the utility model is to provide a kind of cylinder holder structure and with its compressor The big problem of compressor noise in technology.

To achieve the goals above, one aspect according to the present utility model provides a kind of cylinder holder structure, comprising: Cylinder block is cast with multiple silencing cavities on cylinder block, connection through-hole is provided between two neighboring silencing cavity, is connected to the of through-hole The aperture of one end is different from the connection aperture of second end of through-hole.

Further, cylinder holder structure further include: the first resonant cavity, the first resonant cavity are connected with connection through-hole.

Further, the first resonant cavity includes: the first resonant chamber；First interface channel, the first end of the first interface channel It is connected with the first resonant chamber, the second end of the first interface channel is connected with connection through-hole.

Further, the first resonant cavity is multiple, and multiple first resonant cavities are set along the axis direction compartment of terrain of connection through-hole It sets.

Further, the aperture of the first resonant chamber of the first resonant cavity of at least one of multiple first resonant cavities and remaining The aperture of first resonant cavity is different.

Further, multiple silencing cavities include: the first silencing cavity, the air inlet of the first silencing cavity and the exhaust pipe of piston chamber Road is connected；Second silencing cavity, the second silencing cavity are disposed adjacently with the first silencing cavity, are located at the first silencing cavity and the second noise reduction Connection the first silencing cavity and the second silencing cavity are provided on cylinder block ontology between chamber is connected to through-hole, is connected to the first of through-hole End is connected with the exhaust outlet of the first silencing cavity, and the second end for being connected to through-hole is connected with the air inlet of the second silencing cavity, connection The aperture of the first end of through-hole is greater than the aperture of the second end of connection through-hole.

Further, the axis of the axis and the first silencing cavity and/or the second silencing cavity that are connected to through-hole is set at an angle It sets.

Further, cylinder holder structure further include: exhaust passage, the first end of exhaust passage with piston chamber for being connected Logical, the second end of exhaust passage is connected with the air inlet of the first silencing cavity；Second resonant cavity, the second resonant cavity and exhaust passage It is connected.

Further, the second resonant cavity is multiple, and multiple second resonant cavities are set along the axis direction compartment of terrain of exhaust passage It sets, wherein the second resonant cavity and the second of the second side for being located at exhaust passage axis positioned at the first side of exhaust passage axis Resonant cavity is alternately arranged.

Further, the second resonant cavity includes: the second resonant chamber；Second interface channel, the first end of the second interface channel It is connected with the second resonant chamber, the second end of the second interface channel is connected with exhaust passage.

Further, the axis of exhaust passage and the axis of the first silencing cavity and/or the second silencing cavity are set at an angle It sets.

Further, piston chamber, the arc-shaped structure of the outer contour of at least part of piston chamber are additionally provided on cylinder block.

Further, it is provided with bulge-structure at the top of the outer surface of piston chamber, offers on bulge-structure along piston chamber Axis direction the first connecting hole, open up that there are two intervals to set on the end of the side opposite with the first connecting hole of piston chamber The second connecting hole set.

Further, connection through-hole is multiple, the setting that the axis of multiple connection through-holes is parallel to each other.

Further, multiple connection through-holes are arranged horizontally spacedly, alternatively, multiple connection through-holes are along the vertical direction It is positioned apart from.

Another aspect according to the present utility model, provides a kind of compressor, including cylinder holder structure, and cylinder holder structure is Above-mentioned cylinder holder structure.

Using the technical solution of the utility model, the connection through-hole for being connected to two adjacent silencing cavities is arranged to aperture not Same mode, can be effectively reduced the noise that refrigerant generates in transmit process, improve the usage experience of user.

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 first embodiment of cylinder block according to the present utility model；

Fig. 2 shows the structural schematic diagrams of the second embodiment of cylinder block according to the present utility model；

Fig. 3 show A-A in Fig. 2 to schematic cross-sectional view；

Fig. 4 shows the structural schematic diagram of the 3rd embodiment of cylinder block according to the present utility model；

Fig. 5 shows the structural schematic diagram of the fourth embodiment of cylinder block according to the present utility model；

Fig. 6 shows the schematic cross-sectional view of B-B direction in Fig. 5；

Fig. 7 shows the structural schematic diagram of the 5th embodiment of cylinder block according to the present utility model；

Fig. 8 shows the structural schematic diagram of the sixth embodiment of cylinder block according to the present utility model；

Fig. 9 show C-C in Fig. 8 to schematic cross-sectional view；

Figure 10 shows the structural schematic diagram of the embodiment of compressor according to the present utility model.

Wherein, the above drawings include the following reference numerals:

10, cylinder block；11, it is connected to through-hole；12, the first silencing cavity；13, the second silencing cavity；14, under-chassis；15, bearing hole； 16, piston chamber；

20, the first resonant cavity；21, the first resonant chamber；22, the first interface channel；

30, exhaust passage；

40, the second resonant cavity；41, the second resonant chamber；42, the second interface channel；

50, bulge-structure；51, the first connecting hole；52, the second connecting hole；

61, crankshaft；62, motor；63, cylinder head；64, valve group component；65, piston；66, connecting rod.

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. 1 to Figure 10, embodiment according to the present utility model provides a kind of cylinder holder structure.

Specifically, which includes cylinder block 10.Multiple silencing cavities are cast on cylinder block 10, it is two neighboring to disappear It is provided with connection through-hole 11 between sound chamber, is connected to aperture and the aperture for the second end for being connected to through-hole 11 of the first end of through-hole 11 not Together.

In the present embodiment, the connection through-hole for being connected to two adjacent silencing cavities is arranged to the different mode in aperture, energy It is enough effectively reduced the noise that refrigerant generates in transmit process, improves the usage experience of user.

Wherein, as shown in figure 3, cylinder holder structure is also provided with the first resonant cavity 20.First resonant cavity 20 be connected to through-hole 11 are connected.Setting enables the resonant cavity to carry out noise reduction process to the refrigerant passed through from connection through-hole 11 in this way, can Further decrease the noise of refrigerant.

Specifically, the first resonant cavity 20 includes the first resonant chamber 21 and the first interface channel 22.First interface channel 22 First end is connected with the first resonant chamber 21, and the second end of the first interface channel 22 is connected with connection through-hole 11.Wherein, first The cross section of resonant chamber 21 can be the shapes such as round, rectangular, triangle is oval.The internal diameter of first resonant chamber 21 is greater than or waits In the internal diameter of the first interface channel 22.

In order to further play the role of reduce compressor noise, set multiple for the first resonant cavity 20, it is more A first resonant cavity 20 is positioned apart from along the axis direction of connection through-hole 11.Wherein, in multiple first resonant cavities 20 at least The aperture of first resonant chamber 21 of one the first resonant cavity 20 is different from the aperture of remaining the first resonant cavity 20.In Fig. 3, show 2 the first resonant cavities 20.

Further, multiple silencing cavities include the first silencing cavity 12 and the second silencing cavity 13.The air inlet of first silencing cavity 12 Mouth is connected with the gas exhaust piping of piston chamber.Second silencing cavity 13 is disposed adjacently with the first silencing cavity 12, is located at the first noise reduction The company of connection the first silencing cavity 12 and the second silencing cavity 13 is provided on cylinder block ontology between chamber 12 and the second silencing cavity 13 Hole 11 all, connection through-hole 11 first end be connected with the exhaust outlet of the first silencing cavity 12, be connected to through-hole 11 second end and The air inlet of second silencing cavity 13 is connected, and the aperture for being connected to the first end of through-hole 11 is greater than the hole for being connected to the second end of through-hole 11 Diameter.Setting, which significantly reduces pulsation of the refrigerant in transmit process and then significantly reduces the generation of refrigerant, in this way makes an uproar Sound.

The axis of connection through-hole 11 and the axis of the first silencing cavity 12 and the second silencing cavity 13 are arranged at an angle.In this way Refrigerant can be increased in the transmitting range of connection through-hole 11 by being arranged, and effectively extend the delivery time of refrigerant, then effectively The pulsation energy consumption for reducing refrigerant, significantly reduces the noise of compressor.

As shown in figure 3, cylinder holder structure further includes exhaust passage 30 and the second resonant cavity 40.The first end of exhaust passage 30 For being connected with piston chamber 16, the second end of exhaust passage 30 is connected with the air inlet of the first silencing cavity 12.Second resonance Chamber 40 is connected with exhaust passage 30.Setting can be effectively reduced the noise that the cylinder holder structure generates at work in this way.

In order to further reduce noise, it can also set multiple for the second resonant cavity 40, multiple second resonance Chamber 40 is positioned apart from along the axis direction of exhaust passage 30, wherein second positioned at the first side of 30 axis of exhaust passage is total Vibration chamber 40 and second resonant cavity 40 of the second side for being located at 30 axis of exhaust passage are alternately arranged.

Specifically, the second resonant cavity 40 includes the second resonant chamber 41 and the second interface channel 42.Second interface channel 42 First end is connected with the second resonant chamber 41, and the second end of the second interface channel 42 is connected with exhaust passage 30.Second resonance The cross section of room 41 can be the shapes such as round, rectangular, triangle is oval.The internal diameter of second resonant chamber 41 can be set into big In or equal to the second interface channel 42 aperture.Wherein, the axis of exhaust passage 30 and the first silencing cavity 12 and the second silencing cavity 13 axis is arranged at an angle.Setting can equally increase stroke of the refrigerant in transmit process in this way, then play Effect reduces refrigerant pulsation and has the function that reduce noise.

As shown in Figure 4 and Figure 5, be additionally provided with piston chamber on cylinder block 10, the outer contour of at least part of piston chamber at Arcuate structure.Setting can reduce the consumptive material of cylinder block in this way, then efficiently reduce the production cost of compressor, subtract simultaneously The small size of compressor and the installation space of compressor.

It is provided with bulge-structure 50 at the top of the outer surface of piston chamber, the axis along piston chamber is offered on bulge-structure 50 First connecting hole 51 in direction, opens up that there are two interval settings on the end of the side opposite with the first connecting hole 51 of piston chamber The second connecting hole 52.Setting enables the cylinder holder structure to can be realized as cylinder head 63, valve by three screws in this way Group component 64 install, in the prior art in such a way that four screws are installed compared with, the technical solution of the application is adding A screw hole can be processed during work cylinder block less, has then been effectively saved processing process.

Preferably, connection through-hole 11 is multiple, the setting that the axis of multiple connection through-holes 11 is parallel to each other.As shown in figure 4, Multiple connection through-holes 11 are arranged horizontally spacedly.As shown in figure 9, can also be by multiple connection through-holes 11 along the vertical direction It is positioned apart from.

Cylinder holder structure in above-described embodiment can be also used for compressor apparatus technical field, i.e., according to the utility model Another aspect, provide a kind of compressor.The compressor includes cylinder holder structure, and cylinder holder structure is in above-described embodiment Cylinder holder structure.

Specifically, by increasing by the first resonant cavity in connection through hole, the volume for increasing exhaust accommodating chamber, solution can be played It has determined the big problem of exhaust noise in the prior art.By using approximate circle cylinder head (cylinder block piston chamber outer surface profile Line camber), cylinder block is locked using the support of three feet using three screws, play the production cost for reducing complete machine and Weight.

Resonator chamber is set by the connection through hole between two neighboring silencing cavity, thus not increasing exhaust noise silencing In the case of chamber quantity, setting can play the volume for increasing exhaust accommodating chamber in this way, and then increase the noise elimination for being vented the raw device that disappears Amount, further decreases the frequency of the pneumatic noise of gas.

As shown in Figure 10, crankshaft 61 drives connecting rod 66 and piston 65 in piston chamber 16 by gas under the drive of motor 62 Cylinder cap 63 and valve group component 64 carry out air-breathing, compression, exhaust, expansion process.The cylinder block includes under-chassis 14, bearing hole 15, spiral shell Nail hole, exhaust passage, multiple silencing cavities, gas enter the height of cylinder head by the gas that the compression of cylinder becomes high temperature and pressure Press intracavitary, enter the first silencing cavity then along the exhaust hole of the end face of cylinder block cylinder head, then by connection through-hole into Enter to the second silencing cavity, then accesses inside exhaust pipe discharge.

Wherein, the cylinder head end face of cylinder block offers exhaust passage, and it is (straight to be provided with the second interface channel in exhaust passage two sides Diameter is 1.5mm) and the second resonant chamber (diameter 1.5mm~3mm), the second resonant chamber is that circle (can also be rectangular or triangle Or other shapes), it is offered between the first noise reduction chamber and the second silencing cavity and is connected to through-hole, connection through-hole two sides offer First resonant cavity (diameter 1.5mm) and the first resonant chamber, two the first resonant chambers are that circle (can also be rectangular or triangle Shape or other shapes) (diameter is 5~8mm), volume size is different, the gas a part for the high temperature and pressure being discharged from cylinder It is flowed into the first silencing cavity, a part flows to exhaust passage resonator chamber, the high temperature and high pressure gas being discharged from cylinder and exhaust The remaining high temperature and pressure refrigerant of resonator chamber at channel interacts, and can reduce the fluctuation of air-flow, and then absorb part gas The sound energy of stream, then the gas of high temperature and pressure again some by connection through hole resonator chamber, another part pass through Connection through-hole enters directly into the second silencing cavity, and the remaining high temperature and high pressure gas of resonator chamber for being connected to through hole is logical with from being connected to The mixed gases that hole flows into, further decrease the fluctuation of air-flow, and the sound for absorbing fraction again can be so that reach preferable The purpose of noise reduction, compared with the identical casting silencing cavity of traditional two concatenated volume sizes, the exhaust of the cylinder block is accommodated The volume of chamber increases, and erasure effect is preferable.

As shown in figure 4, cylinder block offers the double casting exhaust in left and right between the first silencing cavity and the second silencing cavity Connection through-hole, due to the connection through-hole aperture use gradual change set-up mode, with two traditional concatenated volume sizes Identical casting silencing cavity is compared, and the flow area in the unit time of the cylinder block increases, the case where meeting noise requirements Under, gettering efficiency increases, and then promotes the overall performance of compressor.

As shown in figure 9, cylinder block offered between the first silencing cavity and the second silencing cavity it is arranged up and down be connected to through-hole, Compared with the identical casting silencing cavity of traditional two concatenated volume sizes, the cylinder block of the structure within the unit time Flow area increases, and in the case where meeting noise requirements, gettering efficiency increases, and can equally play the complete machine for promoting compressor Performance.

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 (16)

1. a kind of cylinder holder structure characterized by comprising

Cylinder block (10) is cast with multiple silencing cavities on the cylinder block (10), is provided between the two neighboring silencing cavity It is connected to through-hole (11), aperture and the aperture of the second end for being connected to through-hole (11) of the first end of connection through-hole (11) are not Together.

2. cylinder holder structure according to claim 1, which is characterized in that the cylinder holder structure further include:

First resonant cavity (20), first resonant cavity (20) are connected with the connection through-hole (11).

3. cylinder holder structure according to claim 2, which is characterized in that first resonant cavity (20) includes:

First resonant chamber (21)；

First interface channel (22), the first end of first interface channel (22) are connected with first resonant chamber (21), The second end of first interface channel (22) is connected with the connection through-hole (11).

4. cylinder holder structure according to claim 2, which is characterized in that first resonant cavity (20) be it is multiple, it is multiple First resonant cavity (20) is positioned apart from along the axis direction of connection through-hole (11).

5. cylinder holder structure according to claim 4, which is characterized in that in multiple first resonant cavities (20) at least The aperture of the first resonant chamber (21) of one first resonant cavity (20) and the aperture of remaining first resonant cavity (20) are not Together.

6. cylinder holder structure according to claim 1, which is characterized in that multiple silencing cavities include:

The air inlet of first silencing cavity (12), first silencing cavity (12) is connected with the gas exhaust piping of piston chamber；

Second silencing cavity (13), second silencing cavity (13) are disposed adjacently with first silencing cavity (12), are located at described Connection first silencing cavity is provided on cylinder block ontology between first silencing cavity (12) and second silencing cavity (13) (12) it is connected to through-hole (11) with the described of second silencing cavity (13), the first end and described first of connection through-hole (11) The exhaust outlet of silencing cavity (12) is connected, the second end of connection through-hole (11) and the air inlet of second silencing cavity (13) It is connected, the aperture of the first end of connection through-hole (11) is greater than the aperture of the second end of connection through-hole (11).

7. cylinder holder structure according to claim 6, which is characterized in that the axis of connection through-hole (11) and described the The axis of one silencing cavity (12) and/or second silencing cavity (13) is arranged at an angle.

8. cylinder holder structure according to claim 6, which is characterized in that the cylinder holder structure further include:

Exhaust passage (30), the first end of the exhaust passage (30) with piston chamber for being connected, the exhaust passage (30) Second end be connected with the air inlet of first silencing cavity (12)；

Second resonant cavity (40), second resonant cavity (40) are connected with the exhaust passage (30).

9. cylinder holder structure according to claim 8, which is characterized in that second resonant cavity (40) be it is multiple, it is multiple Second resonant cavity (40) is positioned apart from along the axis direction of the exhaust passage (30), wherein it is logical to be located at the exhaust The institute of second resonant cavity (40) of first side of road (30) axis and the second side for being located at the exhaust passage (30) axis The second resonant cavity (40) is stated alternately to be arranged.

10. cylinder holder structure according to claim 8, which is characterized in that second resonant cavity (40) includes:

Second resonant chamber (41)；

Second interface channel (42), the first end of second interface channel (42) are connected with second resonant chamber (41), The second end of second interface channel (42) is connected with the exhaust passage (30).

11. cylinder holder structure according to claim 8, which is characterized in that the axis of the exhaust passage (30) with it is described The axis of first silencing cavity (12) and/or second silencing cavity (13) is arranged at an angle.

12. cylinder holder structure according to claim 1, which is characterized in that be additionally provided with piston on the cylinder block (10) Room, the arc-shaped structure of outer contour of at least part of piston chamber.

13. cylinder holder structure according to claim 12, which is characterized in that the top of the outer surface of the piston chamber is arranged Have bulge-structure (50), the first connecting hole of the axis direction along the piston chamber is offered on the bulge-structure (50) (51), open up that there are two spaced the on the end of the side opposite with first connecting hole (51) of the piston chamber Two connecting holes (52).

14. cylinder holder structure according to any one of claim 1 to 13, which is characterized in that the connection through-hole (11) To be multiple, the setting that is parallel to each other of axis of multiple connections through-hole (11).

15. cylinder holder structure according to claim 14, which is characterized in that multiple connection through-holes (11) are along level side To being positioned apart from, alternatively, multiple connection through-holes (11) are positioned apart from along the vertical direction.

16. a kind of compressor, including cylinder holder structure, which is characterized in that the cylinder holder structure is to appoint in claim 1 to 15 Cylinder holder structure described in one.