CN210106098U

CN210106098U - Shell cover device and muffler on muffler and compressor

Info

Publication number: CN210106098U
Application number: CN201920481537.2U
Authority: CN
Inventors: 祁杰; 朱利锋; 唐建国
Original assignee: Shanghai Highly Electrical Appliances Co Ltd
Current assignee: Shanghai Highly Electrical Appliances Co Ltd
Priority date: 2019-04-11
Filing date: 2019-04-11
Publication date: 2020-02-21
Anticipated expiration: 2029-04-11

Abstract

The utility model provides a cap device and muffler and compressor on muffler, including last cap body and blast pipe. The exhaust pipe passes through the upper shell cover body and two ends of the exhaust pipe are respectively positioned at two sides of the upper shell cover body. The blast pipe includes first non-inflation section, second non-inflation section and inflation section, and the both ends of inflation section communicate with first non-inflation section and second non-inflation section respectively, and the inflation section is located the upper shell cover body, and the free end of first non-inflation section and second non-inflation section is located upper shell cover body both sides respectively. The diameter of the expansion section along the extension direction of the vertical exhaust pipe is a first diameter, and the diameter of the first non-expansion section along the extension direction of the vertical exhaust pipe is a second diameter. The problem of heat transfer sound is solved, the exhaust pipe in the shell cover component on the compressor is directly optimized into an exhaust silencing pipe type, and therefore the corresponding size of the exhaust silencing pipe can be designed by combining the actual transmission sound frequency in the system, and the problem of sound transfer is directly solved.

Description

Shell cover device and muffler on muffler and compressor

Technical Field

The utility model belongs to the technical field of the noise control, in particular to cap device and muffler and compressor on muffler.

Background

With the continuous development of society, the noise requirement of people on air conditioners is continuously improved, so that the requirement of air conditioner manufacturers on the noise of compressors is more and more strict. The noise level of the compressor manufacturer is an important index for selecting the compressor by the air conditioner manufacturer, so that the improvement of the noise level of the compressor is also an important way for improving the product competitiveness.

The problem of sound transmission in the existing air conditioning system belongs to a big problem of air conditioning noise, the sound transmission can be divided into heating sound transmission and refrigerating sound transmission, generally, an air conditioner manufacturer solves the problem by adding a silencer in a system pipeline, the refrigerating sound transmission is generally realized by optimizing a liquid storage device for a compressor, the heating sound transmission needs to optimize an exhaust pipe, and the exhaust pipe is relatively complicated to optimize.

Therefore, there is a need for a muffler upper cover device and a muffler and compressor that optimizes the discharge pipe.

SUMMERY OF THE UTILITY MODEL

The utility model provides a cap device and muffler and compressor are used for solving the transmission sound problem that heats among the prior art on the muffler.

In order to solve the above technical problem, a first aspect of the present invention provides a muffler cover attaching device, which includes a cover attaching body and an exhaust pipe;

the exhaust pipe penetrates through the upper shell cover body, and two ends of the exhaust pipe are respectively positioned on two sides of the upper shell cover body;

the exhaust pipe comprises a first non-expansion section, a second non-expansion section and an expansion section, two ends of the expansion section are respectively communicated with the first non-expansion section and the second non-expansion section, the expansion section is positioned in the upper shell cover body, and free ends of the first non-expansion section and the second non-expansion section are respectively positioned on two sides of the upper shell cover body;

the diameter of the expansion section along the direction vertical to the extension direction of the exhaust pipe is a first diameter, and the diameter of the first non-expansion section along the direction vertical to the extension direction of the exhaust pipe is a second diameter;

the first diameter is greater than the second diameter.

Optionally, a diameter of the second non-expansion section in a direction perpendicular to an extending direction of the exhaust pipe is a third diameter, and the third diameter is greater than or equal to the second diameter and smaller than the first diameter.

Optionally, the ratio of the first diameter to the second diameter is 2:1-3.5: 1.

Optionally, the ratio of the first diameter to the second diameter is 2: 1.

Optionally, the ratio of the first diameter to the second diameter is 3.5: 1.

Optionally, an end of the first non-expansion section, which is in communication with the expansion section, is provided with an insertion portion, and the insertion portion is disposed inside the expansion section.

Optionally, a ratio of a length of the expansion pipe in the extending direction of the exhaust pipe to a length of the insertion portion in the extending direction of the exhaust pipe ranges from 3:1 to 2: 1.

Optionally, the number of expansion stages is one or more.

Optionally, two ends of the expansion section are respectively communicated with the first non-expansion section and the second non-expansion section through a connecting piece.

A second aspect of the present invention provides a muffler, including any one of the above features.

A third aspect of the present invention provides a compressor, including a muffler as described in the above feature.

The utility model provides a cap device and muffler and compressor on muffler have improved the transmission sound problem of heating, directly optimize the blast pipe in the cap subassembly on the compressor for exhaust hush pipe style, can combine the transmission audio frequency that actually exists in the system like this, design corresponding exhaust hush pipe size to directly solve the problem of transmission sound. In addition, the structure also has certain effect on optimizing the oil circulation rate of the compressor. In addition, the design is more beneficial by combining the characteristics of the upper space of the motor of the current commercial compressor.

Drawings

Fig. 1 is a schematic structural view of a muffler upper shell cover device according to a first embodiment of the present invention;

fig. 2 is a schematic structural view of another muffler cover mounting device according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a cover mounting device for a muffler according to a second embodiment of the present invention;

10-upper casing cover body, 20-exhaust pipe, 201-expansion section, 202-first non-expansion section, 2021-insertion portion, 203-second non-expansion section.

Detailed Description

The present invention provides a cover attaching device for a muffler, and a compressor motor, which will be described in detail with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.

In the description of the present invention, it should be understood that the terms "center", "upper", "lower", "left", "right", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

Example one

As shown in fig. 1 and 2, the present embodiment provides a muffler cover device, which includes a cover body 10 and an exhaust pipe 20. The exhaust pipe 20 penetrates through the upper case cover body 10 and two ends of the exhaust pipe 20 are respectively positioned at two sides of the upper case cover body 10. The exhaust pipe 20 includes a first non-expansion section 202, a second non-expansion section 203, and an expansion section 201, both ends of the expansion section 201 are respectively communicated with the first non-expansion section 202 and the second non-expansion section 203, the expansion section 201 is located in the upper casing cover body 10, and free ends of the first non-expansion section 202 and the second non-expansion section 203 are respectively located on both sides of the upper casing cover body 10.

The diameter of the expansion section 201 in the direction perpendicular to the extension direction of the exhaust pipe 20 is a first diameter, and the diameter of the first non-expansion section 202 in the direction perpendicular to the extension direction of the exhaust pipe 20 is a second diameter. The first diameter is greater than the second diameter. A sound-deadening chamber is formed in the expansion section 201.

It should be noted that the length of the expansion section 201 of the exhaust pipe 20 is selected according to the frequency of the transmitted sound, and the structure of the exhaust pipe 20 may be an integral structure of the expansion section 201 and the non-expansion section, or the expansion section 201 and the non-expansion section are fixedly connected into a whole through a connecting piece, or the expansion section 201 and the non-expansion section are welded into a whole structure, where the connection form of the expansion section 201 and the non-expansion section is not limited. In addition, the position of the exhaust pipe 20 is not limited to the position shown in fig. 1, and may be disposed at other positions on the upper housing cover, which is not described herein.

Through changing the structure of the exhaust pipe 20, the exhaust of the compressor passes through the silencing cavity, so that the silencing effect is achieved, and the problem of heating and sound transmission of an air conditioning system is obviously improved. In addition, the inventor has found that the oil circulation rate of the compressor can be reduced to some extent by using this structure.

Alternatively, the diameter of the second non-expansion section 203 in the direction perpendicular to the extending direction of the exhaust pipe 20 is a third diameter, and the third diameter is equal to or larger than the second diameter and smaller than the first diameter.

Alternatively, the inventor found in experimental tests that when the diameter of the expanded section 201 of the exhaust pipe 20 is 2 to 3.5 times the diameter of the non-expanded section 202 of the exhaust pipe 20, the heat transfer sound can be effectively suppressed.

Alternatively, the diameter of the expanded section 201 of the exhaust pipe 20 may be 2 times the diameter of the non-expanded section of the exhaust pipe 20, or the diameter of the expanded section 201 of the exhaust pipe 20 may be 3.5 times the diameter of the non-expanded section of the exhaust pipe 20, or the diameter of the expanded section 201 of the exhaust pipe 20 may be 2.5 times the diameter of the non-expanded section of the exhaust pipe 20, or the diameter of the expanded section 201 of the exhaust pipe 20 may be 2.7 times the diameter of the non-expanded section of the exhaust pipe 20. The specific structure of the exhaust pipe 20 is selected according to actual needs.

Alternatively, the number of the expansion section 201 is only one, and the number of the non-expansion sections is two, that is, the expansion section 201 is disposed at the middle portion or near the middle portion of the exhaust pipe 20 instead of at the two end positions of the exhaust pipe 20.

The embodiment of the utility model provides a still provide a muffler, including in the above-mentioned characteristic arbitrary a muffler goes up cap device.

An embodiment of the present invention further provides a compressor, including a muffler in the above-mentioned features.

Example two

As shown in fig. 3, a second embodiment of the present invention is different from the first embodiment in that the second embodiment provides a cover attaching device for a muffler, an inserting portion 2021 is disposed at an end of the first non-expansion section 202 communicating with the expansion section 201, and the inserting portion 2021 is disposed inside the expansion section 201. The rest of the structure of the device is the same as that described in the first embodiment. The structure is applied to the better effect of the heating and sound transferring effect of the air conditioner part frequency.

The inventors have found that, in order to achieve a preferable sound deadening effect, the ratio of the length of the expansion pipe in the exhaust pipe extending direction to the length of the insertion portion 2021 in the exhaust pipe extending direction is in the range of 3:1 to 2: 1. It should be noted that the length of the insertion portion 2021 is selected according to the frequency of the air conditioner, and generally, a value between one third and one half of the expansion pipe is selected.

To sum up, the utility model provides a cap device and muffler and compressor on muffler have improved the transmission sound problem of heating, directly optimize the blast pipe in the cap subassembly on the compressor for exhaust hush pipe style, can combine the transmission sound frequency that actually exists in the system like this, design corresponding exhaust hush pipe size to directly solve the problem of transmission sound. In addition, the inventor finds that the structure has certain effect on optimizing the oil circulation rate of the compressor. In addition, the design is more beneficial by combining the characteristics of the upper space of the motor of the current commercial compressor.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example" or "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. And the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. A silencer upper shell cover device is characterized by comprising an upper shell cover body and an exhaust pipe;

the first diameter is greater than the second diameter.

2. A muffler cover mounting apparatus according to claim 1, wherein said second non-expanded section has a third diameter in a direction perpendicular to the direction of extension of said exhaust pipe, said third diameter being equal to or greater than said second diameter and smaller than said first diameter.

3. A muffler cover mounting apparatus according to claim 1 or claim 2, wherein the ratio of the first diameter to the second diameter is from 2:1 to 3.5: 1.

4. A muffler cover mounting apparatus according to claim 1 or claim 2, wherein the ratio of the first diameter to the second diameter is 2: 1.

5. A muffler cover mounting apparatus according to claim 1 or claim 2, wherein the ratio of the first diameter to the second diameter is 3.5: 1.

6. A cover mounting apparatus for a muffler according to claim 1 or 2, wherein an end of said first non-expansion section communicating with said expansion section is provided with an insertion portion, said insertion portion being provided inside said expansion section.

7. A cover mounting apparatus for a muffler according to claim 6, wherein the ratio of the length of said expansion pipe in the extending direction of said exhaust pipe to the length of said insertion portion in the extending direction of said exhaust pipe is in the range of 3:1 to 2: 1.

8. A muffler cover mounting apparatus according to claim 1 or 2 wherein the number of said expansion stages is one or more.

9. A cover mounting apparatus for a muffler according to claim 1 or 2, wherein both ends of said expansion section are respectively communicated with said first non-expansion section and said second non-expansion section through a connecting member.

10. A muffler comprising a muffler cover mounting according to any one of claims 1 to 9.

11. A compressor, comprising a muffler as claimed in claim 10.