CN115387982A - Suction silencer of refrigeration compressor - Google Patents
Suction silencer of refrigeration compressor Download PDFInfo
- Publication number
- CN115387982A CN115387982A CN202211123167.8A CN202211123167A CN115387982A CN 115387982 A CN115387982 A CN 115387982A CN 202211123167 A CN202211123167 A CN 202211123167A CN 115387982 A CN115387982 A CN 115387982A
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- Prior art keywords
- narrow
- gap
- muffler
- pipe
- probing
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0027—Pulsation and noise damping means
- F04B39/0055—Pulsation and noise damping means with a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes
- F04B39/0061—Pulsation and noise damping means with a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes using muffler volumes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/123—Fluid connections
Abstract
The utility model provides a refrigeration compressor muffler of breathing in, includes casing and cap, and the casing has casing amortization chamber and muffler induction port, and the cap is joined in marriage with the upper portion lid of casing, and there is the muffler outlet pipe seat cap one side that the cap moved towards on, and the muffler outlet of muffler outlet pipe seat communicates with each other with amortization chamber, characteristics: the right end of the shell extends downwards to form a narrow gap probing pipe, a silencing cavity partition plate is arranged at the longitudinal center of the narrow gap probing pipe cavity, the narrow gap probing pipe cavity is divided into a first silencing cavity of the narrow gap probing pipe on the right side of the silencing cavity partition plate and a second silencing cavity of the narrow gap probing pipe on the left side of the silencing cavity partition plate by the silencing cavity partition plate, a silencer air suction port is formed in the right side of the lower portion of the narrow gap probing pipe and is communicated with the first silencing cavity of the narrow gap probing pipe, and the first silencing cavity and the second silencing cavity of the narrow gap probing pipe are respectively communicated with the silencing cavity of the shell. The advantages are that: the narrow-gap probing pipe meets the installation requirement that the narrow-gap probing pipe probes into the narrow space of the steel shell of the refrigeration compressor, and has the advantages of compact structure, convenience and reliability in installation and good silencing effect.
Description
Technical Field
The invention belongs to the technical field of refrigeration compressor accessories, and particularly relates to a suction muffler of a refrigeration compressor.
Background
As known in the art, a fully-enclosed refrigeration compressor is usually provided with an air suction muffler therein, when the refrigeration compressor is in operation, a cylinder sucks refrigerant gas through the air suction muffler, and the air suction muffler not only reduces the heating effect of the refrigerant when the interior of the compressor generates heat, but also reduces noise and vibration caused by pressure pulsation in the flowing process of the refrigerant gas, thereby being beneficial to reducing noise in the operation process of the compressor, and simultaneously being capable of effectively improving the working efficiency of the compressor, i.e. improving the energy efficiency ratio (COP) of the compressor. It follows that the suction muffler is an indispensable and important accessory for the reciprocating hermetic refrigeration compressors at present.
As is also known in the art, some refrigeration compressors are relatively small and have a limited space for redundancy within the steel shell, which is cumbersome or even impossible to install in order to install the suction muffler. The current solutions are: the exhaust port of the compressor cylinder is connected with the air suction port of the silencer by adopting a transition connecting pipe, and the air suction port of the compressor cylinder is connected with the air outlet of the silencer by adopting the transition connecting pipe. This kind of mounting means degree of difficulty is great and the installation effectiveness is low on the one hand, and the connection effect of on the other hand connecting pipe is difficult to ensure, and the noise cancelling effect of muffler on the other hand is difficult to reach the expectation again. The problem of how to rationally install the suction muffler in the narrow, i.e. narrow, space of the steel shell has long been troubling in the industry. In particular, although a great deal of technical information related to the suction muffler of the refrigeration compressor can be found in the published chinese patent documents, such as CN2663663Y (muffler shell), CN2705629Y (muffler), CN2733037Y (full-enclosed refrigeration compressor suction muffler), CN2833127Y (new energy-saving muffler of the full-enclosed refrigeration compressor), CN2886124Y (semi-direct suction muffler for the refrigeration compressor), CN201165957Y (suction muffler for the refrigeration compressor), CN201386641Y (suction muffler for the refrigeration compressor), CN101487461B (matching structure of shell cover and shell of suction muffler for the refrigeration compressor), CN 3724 zxft 24B (suction muffler for the refrigeration compressor), CN101545473B (suction muffler for the refrigeration compressor), CN 42 zxft 42A (suction muffler for the compressor), CN 858583A (suction muffler for the refrigeration compressor), CN 4924 zxft 358543B (suction muffler for the refrigeration compressor), CN 35858543B (suction muffler for the refrigeration compressor), and the like, which are not listed as narrow suction muffler for the aforementioned suction muffler for the compressor.
Disclosure of Invention
The invention aims to provide a suction muffler of a refrigeration compressor, which is beneficial to meeting the installation requirement in a narrow space, can eliminate a transition connecting pipe, and has the advantages of compact structure, convenient and reliable installation and good muffling effect.
The invention aims to accomplish the task by providing a refrigeration compressor suction muffler, which comprises a shell and a shell cover, wherein the shell is provided with a shell sound-deadening cavity and a muffler air suction port, the shell cover is matched with the upper part of the shell in a covering manner, a muffler air outlet pipe seat is formed on one upward side of the shell cover, and a muffler air outlet of the muffler air outlet pipe seat is communicated with the sound-deadening cavity.
In a specific embodiment of the present invention, a housing left-abdicating inner concave cavity is formed on the rear side of the left end of the housing, and a housing right-abdicating inner concave cavity is formed on the rear side of the right end of the housing; the left end rear side of cap and with the corresponding position of the left-hand member inner concave cavity of stepping down of the casing constitutes has a left-hand member inner concave cavity of stepping down, and at the right-hand member rear side of cap and with the corresponding position of the right-hand member inner concave cavity of stepping down of the casing constitutes has a right-hand member inner concave cavity of stepping down.
In another specific embodiment of the present invention, a housing sealing flange is formed around the upper edge of the housing and around the upper edge, and a housing cover sealing groove is formed around the downward side of the housing cover and at a position corresponding to the housing sealing flange, the housing cover sealing groove being fitted with the housing sealing flange.
In a further specific embodiment of the present invention, a case cover bottom edge surface defining step protruding from the outer wall surface of the case is formed on the outer wall of the case and around the circumference of the case at a position corresponding to the lower portion of the sealing caulking of the case, and a side surface of the case cover facing downward is formed as a case cover bottom edge surface which is in contact with the case cover bottom edge surface defining step.
In a further specific embodiment of the present invention, a muffler suction port for communicating a muffler suction port of a muffler suction port with the first sound-deadening chamber i of the narrow-gap inlet pipe is formed in an outer wall of the narrow-gap inlet pipe at a position corresponding to the muffler suction port.
In a further specific embodiment of the invention, a first oil dripping hole I communicated with the outside is formed at the bottom of the first silencing cavity I of the narrow gap probing pipe, and a second oil dripping hole II also communicated with the outside is formed at the bottom of the second silencing cavity II of the narrow gap probing pipe; a housing drop port extends downward at the bottom of the housing and at positions corresponding to both the first drop hole I and the second drop hole II.
In a more specific embodiment of the present invention, the height of the housing cover sealing insert is adapted to the depth of the housing cover sealing insert groove, and the thickness of the housing cover sealing insert edge is adapted to the width of the housing cover sealing insert groove.
In a further embodiment of the present invention, the casing has a reverse-l shape.
In still another specific embodiment of the present invention, a mount positioning flange is formed on each of the left and right sides of the muffler outlet pipe base at positions corresponding to each other.
In yet another embodiment of the present invention, a muffler outlet pipe seat inlet extends from a downward-facing side of the housing cover at a position corresponding to the muffler outlet pipe seat, the muffler outlet pipe seat inlet communicates with a muffler outlet pipe seat cavity of the muffler outlet pipe seat, and the muffler outlet pipe seat cavity communicates with the muffler outlet.
The technical scheme provided by the invention has the technical effects that: because the right end of the shell extends downwards to form a narrow-gap probing pipe, and the longitudinal central position of the narrow-gap probing pipe cavity of the narrow-gap probing pipe forms a silencing cavity partition plate, the silencing cavity partition plate divides the narrow-gap probing pipe cavity into a first silencing cavity I of the narrow-gap probing pipe and a second silencing cavity II of the narrow-gap probing pipe which are positioned on the right side and the left side of the silencing cavity partition plate, the installation requirement of the narrow-gap probing pipe probing into the narrow space of the steel shell of the refrigeration compressor is met, a transition connecting pipe is not needed to be used like the prior art, the structure is compact, the installation is convenient and reliable, and the silencing effect is good.
Drawings
FIG. 1 is a block diagram of an embodiment of the present invention.
Detailed Description
In order to clearly understand the technical spirit and the advantages of the present invention, the applicant below describes in detail by way of example, but the description of the example is not intended to limit the technical scope of the present invention, and any equivalent changes made according to the present inventive concept, which are merely in form and not in material, should be considered as the technical scope of the present invention.
In the following description, all the concepts related to the directions or orientations of up, down, left, right, front and rear are based on the position state of fig. 1, and thus, it should not be understood as a particular limitation to the technical solution provided by the present invention.
Referring to fig. 1, there is shown a casing 1 and a cover 2 molded from plastic, the casing 1 having a casing sound-deadening chamber 11 and a muffler air-suction port 12, the cover 2 being fitted over an upper portion of the casing 1, and a muffler air-outlet seat 21 being formed on an upward-facing side of the cover 2, a muffler air-outlet 211 of the muffler air-outlet seat 21 communicating with the aforementioned sound-deadening chamber 11.
The key points of the technical scheme provided by the invention are as follows: a narrow-gap probe tube 13 for fitting the right end of the housing 1 into a narrow gap in an installation and use state is extended downward from the right end of the housing 1, a sound-deadening chamber partition 1311 is formed at a longitudinal center position of the narrow-gap probe tube chamber 131 of the narrow-gap probe tube 13, the narrow-gap probe tube chamber 131 is partitioned by the sound-deadening chamber partition 1311 into a first narrow-gap probe tube sound-deadening chamber i 1312 located on the right side of the sound-deadening chamber partition 1311 and a second narrow-gap probe tube sound-deadening chamber ii 1313 located on the left side of the sound-deadening chamber partition 1311, the muffler air-suction port 12 is formed on the lower right side of the narrow-gap probe tube 13 and communicates with the first narrow-gap probe tube sound-deadening chamber i 1312, and the first narrow-gap probe tube sound-deadening chamber i 1312 and the second narrow-gap probe tube sound-deadening chamber ii 1313 each communicate with the housing sound-deadening chamber 11.
Continuing to refer to fig. 1, a housing left-abdicating inner concave cavity 14a is formed on the rear side of the left end of the housing 1, and a housing right-abdicating inner concave cavity 14b is formed on the rear side of the right end of the housing 1; a housing cover left-yield inner recess 22a is formed at a position corresponding to the housing left-yield inner recess 14a on the rear side of the left end of the housing cover 2, and a housing cover right-yield inner recess 22b is formed at a position corresponding to the housing right-yield inner recess 14b on the rear side of the right end of the housing cover 2.
It goes without saying that the left and right depressed inner cavities 14a, 14b of the housing and the left and right depressed inner cavities 22a, 22b of the housing cover are provided to correspond to the installation space in the use state.
Continuing to refer to fig. 1, a housing sealing insert 15 is formed around the upper edge of the housing 1, and a housing cover sealing insert 23 is formed around the downward side of the housing cover 2 at a position corresponding to the housing sealing insert 15, the housing cover sealing insert 23 being fitted into the housing sealing insert 15.
Continuing to refer to fig. 1, a case cover bottom edge surface defining step 16 protruding from the outer wall surface of the case 1 is formed on the outer wall of the case 1 around the circumference of the case 1 at a position corresponding to the lower portion of the case seal caulking 15, and the downwardly facing side surface of the case cover 2 is formed as a case cover bottom edge surface 24 which is in contact with the case cover bottom edge surface defining step 16 along the surface 24.
An air intake hole 17 for communicating the muffler air intake chamber 121 of the muffler air intake port 12 with the first muffler chamber i 1312 of the narrow-gap inlet pipe is formed in the outer wall of the narrow-gap inlet pipe 13 at a position corresponding to the muffler air intake port 12.
A first oil dripping hole I13121 communicated with the outside is formed at the bottom of the first silencing cavity I1312 of the narrow-gap probing pipe, and a second oil dripping hole II 13131 also communicated with the outside is formed at the bottom of the second silencing cavity II 1313 of the narrow-gap probing pipe; a housing drop port 18 extends downward at the bottom of the housing 1 at positions corresponding to both the first drop hole i 13121 and the second drop hole ii 13131.
In the present embodiment, the height of the case sealing insert 15 is adapted to the depth of the case cover sealing insert 23 (i.e., is adapted to the depth of the case cover sealing insert 23), and the thickness of the case sealing insert 15 is adapted to the width of the case cover sealing insert 23 (i.e., is adapted to the width of the case cover sealing insert 23).
As shown in FIG. 1, the casing 1 has an L-shape.
A mount positioning flange 212 is formed on each of the left and right sides of the muffler outlet pipe base 21 at positions corresponding to each other.
A muffler outlet pipe seat inlet 25 extends from the downward side of the housing cover 2 at a position corresponding to the muffler outlet pipe seat 21, the muffler outlet pipe seat inlet 25 is communicated with a muffler outlet pipe seat cavity 213 of the muffler outlet pipe seat 21, and the muffler outlet pipe seat cavity 213 is communicated with the muffler outlet 211.
In a use state, the air suction port 12 of the silencer is matched and connected with the air outlet of the compressor cylinder, refrigerant gas from the air outlet of the compressor cylinder enters the air suction port 121 of the silencer, enters the first silencing cavity I1312 of the narrow-gap probing pipe through the air suction hole 17, is silenced by the first silencing cavity I1312 of the narrow-gap probing pipe, the second silencing cavity II 1313 of the narrow-gap probing pipe and the air suction port 121 of the silencer, sequentially passes through the air inlet 25 of the air outlet pipe seat of the silencer and the air outlet pipe seat cavity 213 of the silencer, and then is led to the air suction port of the compressor cylinder from the air outlet 211 of the silencer, and the operation is repeated.
In conclusion, the technical scheme provided by the invention overcomes the defects in the prior art, successfully completes the invention task and truly realizes the technical effects of the applicant in the technical effect column.
Claims (10)
1. A refrigeration compressor suction muffler comprises a shell (1) and a shell cover (2), wherein the shell (1) is provided with a shell sound-deadening cavity (11) and a muffler suction port (12), the shell cover (2) is matched with the upper part of the shell (1) in a covering mode, a muffler air outlet pipe base (21) is formed on one upward side of the shell cover (2), a muffler air outlet (211) of the muffler air outlet pipe base (21) is communicated with the sound-deadening cavity (11), the refrigeration compressor suction muffler is characterized in that a narrow-gap probing pipe (13) extends downwards from the right end of the shell (1), a longitudinal central position of a narrow-gap probing pipe cavity (131) of the narrow-gap probing pipe (13) is provided with a narrow-gap partition plate (1311), the narrow-gap probing pipe cavity (131) is divided into a first narrow-deadening cavity (1312) located on the right side of the narrow-gap probing pipe cavity partition plate (1311) and a second narrow-gap probing pipe (1313) located on the left side of the narrow-gap probing pipe cavity partition plate (1311), the narrow-gap probing pipe cavity (1312) is communicated with a first narrow-gap probing pipe (1312, a second narrow-gap probing pipe (1312) of the shell (I) and a second narrow-gap probing pipe (1313) of the narrow-gap probing pipe (1312, a narrow-gap probing pipe (1312) is communicated with a second narrow-gap probing pipe (1312, a narrow-gap probing pipe (I) of the first narrow-gap probing pipe (1312) located on the second narrow-gap probing pipe (1312) located on the right side of the narrow-gap probing pipe (1311) of the narrow-gap probing pipe (1312, and a second narrow-gap probing pipe (I) of the narrow-gap probing pipe (1313) of the narrow-gap probing pipe (1312, and a second narrow-side of the narrow-gap probing pipe (I) of the narrow-gap probing pipe (1312, and a second narrow-probing pipe (I) of the narrow-probing pipe (1312, and a second narrow-probing pipe (I, and a second narrow-probing pipe (1313) of the narrow-probing pipe (1312, and a second narrow-gap probing.
2. Refrigeration compressor suction muffler, according to claim 1, characterized in that a housing left relief inner cavity (14 a) is formed on the rear side of the left end of the housing (1), and a housing right relief inner cavity (14 b) is formed on the rear side of the right end of the housing (1); the left end rear side of cap (2) and with the corresponding position of the left yield inner concave cavity (14 a) of the housing is formed with a left yield inner concave cavity (22 a) of the cap, and the right end rear side of the cap (2) and the corresponding position of the right yield inner concave cavity (14 b) of the housing is formed with a right yield inner concave cavity (22 b) of the housing.
3. A suction muffler for a refrigerating compressor according to claim 1 or 2, wherein a housing sealing insert (15) is formed around the upper edge of said housing (1) and around the upper edge, and a housing cover sealing insert groove (23) is formed around the side of said housing cover (2) facing downward and at a position corresponding to the housing sealing insert edge (15), the housing cover sealing insert groove (23) being fitted into the housing sealing insert edge (15).
4. A suction muffler for a refrigerating compressor according to claim 3, wherein a cover bottom edge surface defining step (16) protruded from the outer wall surface of the casing (1) is formed on the outer wall of the casing (1) around the periphery of the casing (1) at a position corresponding to the lower portion of the sealing caulking part (15) of the casing, and a side surface of the cover (2) facing downward is formed as a cover bottom edge surface (24), and the cover bottom edge surface (24) is in contact with the cover bottom edge surface defining step (16).
5. Suction muffler for refrigeration compressors according to claim 1, characterized in that on the outer wall of said narrow-gap admission pipe (13) and in a position corresponding to said muffler suction opening (12) there is provided a suction opening (17) for communicating the muffler suction opening (121) of the muffler suction opening (12) with said first muffler chamber i (1312) of the narrow-gap admission pipe.
6. The suction muffler of a refrigerating compressor as claimed in claim 1, wherein a first oil dropping hole i (13121) communicating with the outside is formed at the bottom of the first muffling chamber i (1312) of the narrow gap probing pipe, and a second oil dropping hole ii (13131) also communicating with the outside is formed at the bottom of the second muffling chamber ii (1313) of the narrow gap probing pipe; a housing drop port (18) extends downward at the bottom of the housing (1) at positions corresponding to both the first drop hole I (13121) and the second drop hole II (13131).
7. Suction muffler for refrigeration compressors according to claim 3, characterized in that the height of the sealing edge (15) of the shell is adapted to the depth of the sealing edge (23) of the shell cover, and the thickness of the sealing edge (15) of the shell is adapted to the width of the sealing edge (23) of the shell cover.
8. Suction muffler for refrigeration compressors according to claim 1, 2, 4 or 6, characterized in that said shell (1) has an external shape of l-shape.
9. Suction muffler for refrigeration compressors according to claim 1, characterized in that a mount positioning flange (212) is formed on each of the left and right sides of said muffler outlet pipe seat (21) and at positions corresponding to each other.
10. Suction muffler for a refrigeration compressor according to claim 1, characterized in that a muffler outlet seat inlet (25) extends from the cover (2) on the side facing downwards and in a position corresponding to the muffler outlet seat (21), the muffler outlet seat inlet (25) communicating with a muffler outlet seat cavity (213) of the muffler outlet seat (21), and the muffler outlet seat cavity (213) communicating with the muffler outlet (211).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211123167.8A CN115387982A (en) | 2022-09-15 | 2022-09-15 | Suction silencer of refrigeration compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211123167.8A CN115387982A (en) | 2022-09-15 | 2022-09-15 | Suction silencer of refrigeration compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115387982A true CN115387982A (en) | 2022-11-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211123167.8A Pending CN115387982A (en) | 2022-09-15 | 2022-09-15 | Suction silencer of refrigeration compressor |
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| Country | Link |
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| CN (1) | CN115387982A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2729364Y (en) * | 2004-10-09 | 2005-09-28 | 黄石东贝电器股份有限公司 | Suction silencer for totally-enclosed refrigeration compressor |
| CN204900199U (en) * | 2015-09-14 | 2015-12-23 | 东贝机电（江苏）有限公司 | Amortization chamber of making an uproar falls |
| CN207647727U (en) * | 2017-12-22 | 2018-07-24 | 四川丹甫环境科技有限公司 | A kind of air-breathing silencing cavity for compressor |
| CN111963409A (en) * | 2020-08-19 | 2020-11-20 | 江苏白雪电器股份有限公司 | Air suction silencer |
| CN213981101U (en) * | 2020-11-05 | 2021-08-17 | 杭州钱江制冷压缩机集团有限公司 | Air suction silencer |
| CN218062597U (en) * | 2022-09-15 | 2022-12-16 | 常熟市天银机电股份有限公司 | Suction silencer of refrigeration compressor |
-
2022
- 2022-09-15 CN CN202211123167.8A patent/CN115387982A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2729364Y (en) * | 2004-10-09 | 2005-09-28 | 黄石东贝电器股份有限公司 | Suction silencer for totally-enclosed refrigeration compressor |
| CN204900199U (en) * | 2015-09-14 | 2015-12-23 | 东贝机电（江苏）有限公司 | Amortization chamber of making an uproar falls |
| CN207647727U (en) * | 2017-12-22 | 2018-07-24 | 四川丹甫环境科技有限公司 | A kind of air-breathing silencing cavity for compressor |
| CN111963409A (en) * | 2020-08-19 | 2020-11-20 | 江苏白雪电器股份有限公司 | Air suction silencer |
| CN213981101U (en) * | 2020-11-05 | 2021-08-17 | 杭州钱江制冷压缩机集团有限公司 | Air suction silencer |
| CN218062597U (en) * | 2022-09-15 | 2022-12-16 | 常熟市天银机电股份有限公司 | Suction silencer of refrigeration compressor |
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