CN210509526U - Cylinder block assembly, pump body assembly and refrigerator - Google Patents
Cylinder block assembly, pump body assembly and refrigerator Download PDFInfo
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- CN210509526U CN210509526U CN201921398247.8U CN201921398247U CN210509526U CN 210509526 U CN210509526 U CN 210509526U CN 201921398247 U CN201921398247 U CN 201921398247U CN 210509526 U CN210509526 U CN 210509526U
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Abstract
The utility model provides a cylinder block subassembly, pump body subassembly and refrigerator. The cylinder seat assembly comprises a cavity and a partition, wherein the partition is arranged in the cavity and divides the cavity into silencing chambers with different volumes; the partition is provided with a through hole for conducting the adjacent silencing chambers. Through set up the separator in the cavity, the cavity is separated into a plurality of noise reduction rooms that adjacently conduct, can eliminate the noise of a plurality of different audios to reduce exhaust noise.
Description
Technical Field
The utility model belongs to the technical field of the refrigerator, concretely relates to cylinder block subassembly, pump body subassembly and refrigerator.
Background
The compressor in the refrigerator at present is small-size piston refrigeration compressor, and concrete structure adopts crank link mechanism, drives the bent axle and then drives connecting rod and piston through the motor, realizes the reciprocating motion of piston. The cylinder block mainly provides support for pump body parts and working cavity for the piston, and its bearing capacity and running stability under specific working condition can produce very big influence to the life of complete machine to the economic nature, the efficiency, vibration and the noise of compressor are influenced.
With the improvement of the living standard of people, the upgrading of consumption brings huge opportunities and challenges to refrigerator factories, the requirements of consumers on noise in the ice compressor are higher and higher, and low noise is the ultimate goal pursued by the consumers. The cylinder block is designed with an exhaust silencing cavity, which mainly reduces the vibration and noise of the compressor, the existing cylinder block of the refrigeration compressor is generally provided with one or two exhaust silencing cavities connected in series, and the silencing frequency of the noise is limited.
The cylinder block in the compressor body is supported by three machine legs, an exhaust silencing cavity and the cylinder block are cast into a whole, the distance of a discharged gas circulation loop is closer, circulation resistance loss can be effectively reduced, but gas flows through the casting silencing cavity and is directly discharged through an inner exhaust pipe, local pressure loss is increased very easily, and then pressure loss of the whole gas flow is influenced, and further the efficiency of the whole compressor is influenced. Although the whole size of the cylinder block can be reduced, the requirement for low noise cannot be met because only one exhaust silencing cavity is provided and the silencing frequency band is narrow.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model is to provide a cylinder block subassembly, pump body subassembly and refrigerator, can eliminate the noise of a plurality of audio frequency sections, noise reduction effect is good.
In order to solve the above problems, the present invention provides a cylinder block assembly, comprising a chamber and a partition, wherein the partition is arranged in the chamber and divides the chamber into silencing chambers with different volumes; the partition is provided with a through hole for conducting the adjacent silencing chambers.
Preferably, the air inlet channel and the air outlet channel of the chamber are communicated with different silencing chambers.
Preferably, the separating piece comprises a plurality of sleeve pieces with different inner diameters, and the sleeve pieces are sleeved with gaps; the wall of the sleeve member is provided with the through hole.
Preferably, each of said sleeve members adjacent said sleeve member is provided with one of said through holes, and one of said sleeve members is provided with an axial cross-section; one through hole is positioned on one side of the axial section, the diameter of the through hole is vertical to the axial section, and the other through hole is positioned on the other side of the axial section.
Preferably, one of the through holes is located in an upper half portion of the sleeve member, and the other of the through holes is located in a lower half portion of the sleeve member.
Preferably, the partition further comprises a perforated partition in sealing contact with the end face of the sleeve member.
Preferably, the chamber comprises a groove body, a silencing cover and a screw, the silencing cover is buckled on the groove body, and the screw penetrates through the silencing cover and is in threaded connection with the bottom of the groove body.
Preferably, the wall of the tank body and the silencing cover are both provided with air holes, and the air holes are communicated with the air inlet channel or the air outlet channel of the chamber.
Preferably, the outer diameter of the screw is smaller than the diameter of the hole in the spacer.
Preferably, the cylinder block assembly further comprises a resonance cylinder, and the resonance cylinder is sleeved in the sleeve member.
According to another aspect of the present invention, there is provided a pump body assembly, including the cylinder block assembly as described above.
According to another aspect of the present invention, there is provided a refrigerator including the pump body assembly as described above.
The utility model provides a cylinder block component, which comprises a cavity and a separator, wherein the separator is arranged in the cavity and divides the cavity into silencing chambers with different volumes; the partition is provided with a through hole for conducting the adjacent silencing chambers. Through set up the separator in the cavity, the cavity is separated into a plurality of noise reduction rooms that adjacently conduct, can eliminate the noise of a plurality of different audios to reduce exhaust noise.
Drawings
Fig. 1 is an exploded view of a cylinder block assembly according to an embodiment of the present invention;
fig. 2 is a front cross-sectional view of a cylinder block assembly according to an embodiment of the present invention;
fig. 3 is a left side cross-sectional view of a cylinder block assembly according to an embodiment of the present invention;
fig. 4 is another schematic structural view of a cylinder block assembly according to an embodiment of the present invention;
FIG. 5 is a front cross-sectional view of another configuration of a cylinder block assembly according to an embodiment of the present invention;
fig. 6 is a cross-sectional view of a pump body in an air conditioning unit according to an embodiment of the present invention.
The reference numerals are represented as:
1. a cylinder block; 11. an exhaust through hole; 2. an exhaust silencing cavity; 21. an outer sleeve; 211. an outer sleeve through hole; 22. an inner sleeve; 221. an inner sleeve through hole; 23. a partition plate; 231. a partition plate through hole; 24. a silencing cover; 241. a silencing cover through hole; 25. a screw; 26. a resonance cylinder; 3. a connecting rod; 4. a crankshaft; 5. a piston; 6. an electric motor.
Detailed Description
Referring to fig. 1 to 5 in combination, according to an embodiment of the present invention, a cylinder block assembly is provided on a cylinder block 1, and includes a chamber and a partition, where the partition is provided in the chamber to divide the chamber into muffling chambers with different volumes; the partition is provided with a through hole for conducting the adjacent silencing chambers.
Through adding the separator in the cavity of casting exhaust noise elimination chamber 2, under the condition that the volume size of exhaust noise elimination chamber 2 is unchangeable basically, separate exhaust noise elimination chamber 2 for a plurality of noise elimination rooms, the volume size of a plurality of noise elimination rooms is different, and adjacent each other is linked together for exhaust noise elimination chamber 2 can eliminate the noise of a plurality of frequency channels, and the amortization frequency band is widened, has reduced exhaust noise.
The air inlet channel and the air outlet channel of the cavity are communicated with different silencing chambers, and the two adjacent silencing chambers are communicated through the through holes in the partition piece, so that the time of gas in the exhaust silencing cavity 2 is prolonged, the fluctuation frequency of the exhausted gas is reduced, and the aim of reducing exhaust noise is fulfilled.
The separating piece comprises a plurality of sleeve pieces with different inner diameters, and the sleeve pieces are sleeved with gaps; the wall of the sleeve member is provided with the through hole. Through the sleeve part that a plurality of covers were established, radially separating along the sleeve part to the cavity, can form the amortization room of a plurality of volume size differences, eliminate the noise of a plurality of frequency channels. In addition, the gas flows through the through holes on the wall of the sleeve piece, so that the time in the exhaust silencing cavity 2 is relatively prolonged, the fluctuation frequency of the exhausted gas is reduced, and the aim of reducing exhaust noise is fulfilled.
In order to better prolong the staying time of the gas in the exhaust silencing cavity 2, two adjacent sleeve parts are provided, each sleeve part is provided with a through hole, and one sleeve part is provided with an axial section; one through hole is positioned on one side of the axial section, the diameter of the through hole is vertical to the axial section, and the other through hole is positioned on the other side of the axial section; and/or one through hole is positioned at the upper half part of the sleeve part, and the other through hole is positioned at the lower half part of the sleeve part. The time in the exhaust silencing cavity 2 is relatively prolonged, so that the fluctuation frequency of the exhausted gas is reduced, and the aim of reducing the exhaust noise is also fulfilled.
The partition also includes a perforated partition 23, the partition 23 being in sealing contact with the end face of the sleeve member. Through baffle 23 and the combined use of cover barrel spare for the cavity can be separated into the amortization room of different volume size by baffle 23 along the axial of cover barrel spare, makes the noise can obtain eliminating in the axial of cover barrel spare and radially the homoenergetic, and noise reduction effect is good.
The chamber comprises a groove body, a silencing cover 24 and a screw 25, wherein the silencing cover 24 is buckled on the groove body, and the screw 25 penetrates through the silencing cover 24 to be in threaded connection with the bottom of the groove body. The chamber is formed by combining movable connecting pieces, is convenient to detach and assemble, and can replace and maintain internal parts.
The wall of the tank body and the silencing cover 24 are both provided with silencing cover through holes 241, and the silencing cover through holes 241 are communicated with an air inlet channel or an air outlet channel of the chamber. The air inlet or the air outlet is arranged on the groove body and the silencing cover 24, so that the staying time of the air in the chamber is prolonged, the fluctuation frequency of the exhausted air is reduced, and the aim of reducing the exhaust noise is fulfilled.
The outer diameter of the screw 25 is smaller than the aperture of the partition plate 23, and the screw 25 directly penetrates through the aperture of the partition plate 23 to be connected with the bottom of the groove body, so that additional hole resetting is avoided.
The cylinder block assembly further comprises a resonance cylinder 26, the resonance cylinder 26 is sleeved in the sleeve part, as shown in fig. 4 and 5, an exhaust through hole 231 is additionally arranged on the partition plate 23, the resonance cylinder 26 is not provided with a through hole, the whole silencing chamber is divided into a resonance chamber and two silencing chambers, compared with the traditional casting silencing chamber with the same volume, the silencing frequency band is widened, the resonance chamber can eliminate the noise peak value of a specific frequency point, and the exhaust noise is further reduced under the condition of meeting the air suction efficiency.
Another embodiment of the present invention is a pump body assembly, comprising the cylinder block assembly as described above.
The utility model discloses pump body subassembly, exhaust through-hole 11 (the aperture is 3mm) has been seted up at the cylinder head terminal surface, be equipped with two sleeves in the exhaust amortization chamber 2, outer sleeve 21 sheet metal component department is provided with outer sleeve through-hole 211 (the aperture is 3mm, the wall thickness is 1mm ~ 1.5mm), inner skleeve 22 sheet metal component department also is provided with inner skleeve through-hole 221 (the aperture is 2mm, the wall thickness is 1mm ~ 1.5mm), inner skleeve hole (the aperture is 3.2mm) has been seted up on amortization lid 24, gaseous compression through the cylinder becomes the highly compressed gas of high temperature, enter into the high-pressure intracavity of cylinder head, then the exhaust through-hole 11 along 1 cylinder head terminal surface of cylinder block gets into, then enter into a amortization room from outer sleeve through-hole 211 again, enter into second amortization room from inner skleeve through-hole 221 again, enter into in the third amo. Under the condition that the size and the length of the inner exhaust pipe are the same, high-temperature and high-pressure gas is exhausted from the cast silencing cavity, the time for entering the inner exhaust pipe is long, and the fluctuation frequency of the gas exhausted from the exhaust silencing cavity 2 is reduced, so that the noise can be reduced.
Compare with the same casting amortization chamber of traditional single volume size, the utility model discloses a pump body subassembly exhaust amortization chamber 2 is separated for the expansion amortization room of three different volume sizes, has increased the amortization frequency band on the one hand, has prolonged the circulation of gas return circuit on the other hand, increases gaseous transmission loss, and then reduces exhaust noise, and the noise cancelling effect is good.
The utility model discloses another embodiment, an air conditioner, include as above pump body subassembly. Specifically, the pump body assembly is arranged in a pump body of the air conditioner, and the pump body further comprises a connecting rod 3, a crankshaft 4, a piston 5 and a motor 6.
Through increasing baffle 23 and interior outer sleeve sheet metal component in casting amortization chamber department, separate the amortization cavity for the amortization room of a plurality of volume variation in size, compare with traditional one-level exhaust amortization chamber 2, increased the amortization frequency channel of amortization room, the amortization frequency band is widened, in addition through the through-hole of interior outer sleeve sheet metal component, has prolonged the time that gas got into interior exhaust pipe and has consumed, the fluctuation frequency of exhaust gas reduces in the amortization chamber 2 of following exhaust to reduce exhaust noise.
It is easily understood by those skilled in the art that the above embodiments can be freely combined and superimposed without conflict.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (12)
1. The cylinder seat assembly is characterized by comprising a cavity and a partition, wherein the partition is arranged in the cavity and divides the cavity into silencing chambers with different volumes; the partition is provided with a through hole for conducting the adjacent silencing chambers.
2. The cylinder block assembly of claim 1, wherein the inlet and outlet passages of the chamber communicate with different ones of the muffling chambers.
3. The cylinder block assembly according to claim 1, wherein said spacer comprises a plurality of sleeve members having different inner diameters, said plurality of sleeve members being disposed in a nested arrangement with clearance; the wall of the sleeve member is provided with the through hole.
4. A cylinder block assembly as claimed in claim 3, wherein one of said through holes is provided in each of said sleeve members adjacent said sleeve members, and one of said sleeve members is provided with an axial cross-section; one through hole is positioned on one side of the axial section, the diameter of the through hole is vertical to the axial section, and the other through hole is positioned on the other side of the axial section.
5. A cylinder block assembly according to claim 4, wherein one of the through holes is located in an upper half of the sleeve member and the other of the through holes is located in a lower half of the sleeve member.
6. A cylinder block assembly according to claim 3, characterised in that the partition further comprises a perforated partition (23), the partition (23) being in sealing contact with the end face of the sleeve member.
7. The cylinder block assembly according to claim 6, characterized in that the chamber comprises a groove, a silencing cover (24) and a screw (25), the silencing cover (24) is buckled on the groove, and the screw (25) penetrates through the silencing cover (24) to be in threaded connection with the bottom of the groove.
8. A cylinder block assembly according to claim 7, characterised in that the wall of the housing and the silencing cover (24) are provided with air holes which communicate with the inlet or outlet passages of the chamber.
9. A cylinder block assembly according to claim 7, characterised in that the screw (25) has an outer diameter smaller than the bore diameter in the partition plate (23).
10. A cylinder block assembly according to claim 3, further comprising a resonant cylinder (26), the resonant cylinder (26) fitting within the sleeve member.
11. A pump block assembly comprising a cylinder block assembly according to any one of claims 1 to 10.
12. A refrigerator comprising the pump body assembly of claim 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921398247.8U CN210509526U (en) | 2019-08-26 | 2019-08-26 | Cylinder block assembly, pump body assembly and refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921398247.8U CN210509526U (en) | 2019-08-26 | 2019-08-26 | Cylinder block assembly, pump body assembly and refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210509526U true CN210509526U (en) | 2020-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921398247.8U Active CN210509526U (en) | 2019-08-26 | 2019-08-26 | Cylinder block assembly, pump body assembly and refrigerator |
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| CN (1) | CN210509526U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110410294A (en) * | 2019-08-26 | 2019-11-05 | 珠海格力节能环保制冷技术研究中心有限公司 | Cylinder holder assembly, pump assembly and refrigerator |
-
2019
- 2019-08-26 CN CN201921398247.8U patent/CN210509526U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110410294A (en) * | 2019-08-26 | 2019-11-05 | 珠海格力节能环保制冷技术研究中心有限公司 | Cylinder holder assembly, pump assembly and refrigerator |
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