Noise reduction shell structure of refrigerator compressor
By installing noise reduction components inside the upper housing of the refrigerator compressor, including damping pads, honeycomb boards and ring sound-absorbing boards, the noise problem radiates outward from the compressor housing is solved, and effective for high-frequency and high-decibel noise is achieved Relieve and reduce noise.
Patent Information
- Application Number
- CN202421012066.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-11
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2034-05-11
AI Technical Summary
The problem of noise radiating outward from the refrigerator compressor housing has not been effectively solved by the prior art.
Design a refrigerator compressor noise reduction housing structure, including the upper case and the lower case, and the upper case is equipped with noise reduction components. The noise reduction components are composed of damping pads, honeycomb boards, ring sound absorption panels, etc., through these The components absorb and weaken vibration and sound waves and reduce noise.
It effectively reduces the noise radiated outward from the compressor housing, especially high frequency and high decibel noise, and improves the overall noise level of the refrigerator.
Smart Images

Figure CN222502018U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of compressor noise reduction, in particular to a noise reduction shell structure of a refrigerator compressor. Background Art
[0002] The compressor is the biggest noise source of the refrigerator. Part of the noise generated by the compressor is mechanical or fluid noise caused by the vibration and pulsation of the suction and exhaust pipes, and the other part is the noise inside the compressor radiated through the shell. With the increase in refrigerator volume and the requirement for improved energy efficiency, the speed of refrigerator compressors has increased accordingly. The problem brought about by the high-speed operation of the compressor is that the internal friction of the compressor is intensified, the turbulence of the fluid is enhanced, and the noise radiated outward from the shell is inevitably increased.
[0003] Existing Chinese patent: Application No. (CN201620681121.1), discloses a compressor and a refrigerator having the same, wherein the compressor includes a shell and an external exhaust muffler, an exhaust pipe is provided on the shell, the external exhaust muffler is provided outside the shell, and a silencer cavity is provided inside the external exhaust muffler, and the silencer cavity is connected to the exhaust pipe. According to the compressor of the utility model, by providing an external exhaust muffler outside the shell of the compressor, it is not limited by the space of the compressor, and the silencer cavity of the external exhaust muffler can be provided larger, so as to achieve better shock absorption and noise reduction effects, and the noise reduction effect is achieved by reducing the mechanical or fluid noise generated by the vibration and pulsation of the suction and exhaust pipelines through the silencer device, but the noise radiated outward from the compressor shell is not taken into account. Summary of the invention
[0004] To this end, the utility model provides a refrigerator compressor noise reduction housing structure to solve the problem of noise radiated outward from the compressor housing.
[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a noise reduction shell structure of a refrigerator compressor, comprising an upper shell and a lower shell, a noise reduction component is arranged inside the upper shell, the noise reduction component comprises a damping pad, the damping pad is arranged at the bottom of the upper shell, a threaded rod is fixedly arranged at the bottom of the upper shell, the threaded rod passes through the damping pad, a honeycomb panel is fixedly arranged on the top of the honeycomb panel, a cover plate is arranged on the top of the cover plate, an annular sound absorbing panel is fixedly arranged on the top of the cover plate, the annular sound absorbing panel is in contact with the inner wall of the upper shell, a mounting component is arranged inside the upper shell, and a fixing component is arranged outside the upper shell.
[0006] Preferably, the mounting assembly includes a mounting base, which is arranged inside the upper shell, the mounting base is connected to the threaded rod by threads, the bottom of the mounting base is in contact with the top of the cover plate, the top of the mounting base is movably connected to a limiting strip via a rotating shaft, a limiting groove is provided on the top of the threaded rod, and the limiting strip is engaged with the limiting groove.
[0007] Preferably, the fixing assembly includes a slide, which is fixed on one side of the upper shell body, a slider is provided on the top of the slide, a chuck is fixed on the top of the slider, the chuck limits the upper shell body and the lower shell body, a knob is provided on the top of the chuck, a stud is fixedly connected to one side of the knob, the stud passes through the top of the chuck and is connected to the top of the chuck by a thread, a pressure plate groove is provided on the inner side of the chuck, one end of the stud is connected to a pressure plate through a bearing, the pressure plate slides inside the pressure plate groove, and a plurality of slots are provided on the top of the lower shell body, and the pressure plate extends into the slots.
[0008] Preferably, a sound absorbing cover plate is connected inside the lower shell through threads.
[0009] Preferably, a limiting plate is fixedly provided on the top of the upper shell, and a slot is opened on one side of the lower shell, and the limiting plate is buckled with the slot.
[0010] Preferably, two sealing rings are embedded in the top of the upper shell.
[0011] Preferably, a connection port is provided on one side of the upper shell.
[0012] Preferably, a plurality of air pipes are connected to the outside of the upper shell.
[0013] Preferably, the slide bracket is slidably connected to the slider.
[0014] The utility model embodiment has the following advantages:
[0015] The sound-absorbing cover is installed inside the lower shell, and the noise reduction component is installed inside the upper shell. The sound-absorbing cover is made of polyester fiber, which has a good effect on alleviating high-frequency and high-decibel noise. The annular sound-absorbing panel is made of polyester fiber, and the wavy surface can weaken sound waves and reduce noise. The damping pad is made of silicone material, which can weaken vibration force and reduce noise. The honeycomb panel has a sound-absorbing effect.
[0016] The stud is driven to rotate by the knob, and the stud drives the pressure plate to rotate. The pressure plate moves down and enters the slot, so that the pressure plate makes the lower shell and the upper shell contact closely. The sealing ring enhances the sealing of the connection between the upper shell and the lower shell to avoid sound leakage and facilitate the installation and disassembly of the upper shell and the lower shell. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the implementation or the prior art description. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.
[0018] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantial technical significance. Any structural modification, change in proportion or adjustment of size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.
[0019] Figure 1 The overall structural diagram provided by the utility model;
[0020] Figure 2 A sectional view of the overall structure provided by the utility model;
[0021] Figure 3 A diagram showing the upper shell and the lower shell provided by the utility model being separated;
[0022] Figure 4 An exploded view of the noise reduction component provided by the utility model;
[0023] Figure 5 The utility model is a cross-sectional view of the sound absorbing cover plate.
[0024] In the figure: 1. upper shell; 2. lower shell; 3. connection port; 4. air pipe; 5. slide; 6. chuck; 7. slider; 8. knob; 9. sealing ring; 10. stud; 11. pressure plate groove; 12. pressure plate; 13. sound absorbing cover plate; 14. threaded rod; 15. damping pad; 16. honeycomb panel; 17. cover plate; 18. mounting base; 19. annular sound absorbing panel; 20. limit strip; 21. slot; 22. limit slot; 23. slot; 24. limit plate. DETAILED DESCRIPTION
[0025] The following is a specific embodiment of the present invention. People familiar with the technology can easily understand the other advantages and functions of the present invention from the contents disclosed in this specification. Obviously, the described embodiment is a part of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0026] See attached Figure 1 -Attached Figure 5The utility model provides a refrigerator compressor noise reduction housing structure, comprising an upper housing 1 and a lower housing 2, wherein a noise reduction component is arranged inside the upper housing 1, and the noise reduction component comprises a damping pad 15, wherein the damping pad 15 is arranged at the bottom of the upper housing 1, wherein a threaded rod 14 is fixedly arranged at the bottom of the upper housing 1, wherein the threaded rod 14 penetrates the damping pad 15, wherein a honeycomb panel 16 is fixedly arranged on the top of the damping pad 15, wherein a cover panel 17 is arranged on the top of the honeycomb panel 16, wherein an annular sound absorbing panel 19 is fixedly arranged on the top of the cover panel 17, wherein the annular sound absorbing panel 19 contacts the inner wall of the upper housing 1, wherein a mounting component is arranged inside the upper housing 1, wherein a fixing component is arranged outside the upper housing 1, and wherein a sound absorbing cover panel 13 is connected to the inside of the lower housing 2 by threads;
[0027] In this embodiment, the sound absorbing cover plate 13 is installed inside the lower shell 2, and the noise reduction component is installed inside the upper shell 1. The sound absorbing cover plate 13 is made of polyester fiber, which has a good mitigation effect on high-frequency and high-decibel noise. The annular sound absorbing plate 19 is made of polyester fiber, and the wavy surface can weaken the sound waves and reduce the noise. The damping pad 15 is made of silicone material, which can weaken the vibration force and reduce the noise. The honeycomb plate 16 has a sound-absorbing effect.
[0028] Among them, in order to achieve the purpose of installation, the device is implemented by the following technical solutions: the installation assembly includes a mounting base 18, the mounting base 18 is arranged inside the upper shell 1, the mounting base 18 is connected to the threaded rod 14 by threads, the bottom of the mounting base 18 is in contact with the top of the cover plate 17, the top of the mounting base 18 is movably connected to the limit strip 20 through a rotating shaft, the top of the threaded rod 14 is provided with a limit groove 22, the limit strip 20 is buckled with the limit groove 22, the mounting base 18 is rotated and sleeved on the outside of the threaded rod 14, the bottom of the mounting base 18 presses the cover plate 17 to fix the noise reduction assembly, the sound absorbing cover plate 13 is installed inside the lower shell 2, and then the limit strip 20 is rotated to make the limit strip 20 stuck in the limit groove 22 to limit and fix the mounting base 18, and the compressor can be installed on the top of the mounting base 18;
[0029] Among them, in order to achieve the purpose of fixing, the present device adopts the following technical solutions: the fixing component includes a slide 5, the slide 5 is fixedly arranged on one side of the upper shell 1, the top of the slide 5 is provided with a slider 7, the top of the slider 7 is fixedly provided with a chuck 6, the chuck 6 limits the upper shell 1 and the lower shell 2, the top of the chuck 6 is provided with a knob 8, one side of the knob 8 is fixedly connected with a stud 10, the stud 10 passes through the top of the chuck 6 and is connected to the top of the chuck 6 by a thread, the inner side of the chuck 6 is provided with a pressure plate groove 11, one end of the stud 10 is connected to a pressure plate 12 through a bearing, and the pressure plate 12 is connected to the upper shell 1 and the lower shell 2. The plate 12 slides inside the pressure plate groove 11, and a plurality of slots 21 are provided on the top of the lower shell 2. The pressure plate 12 extends into the slots 21. The slide 5 is slidably connected with the slider 7 to dock the lower shell 2 with the upper shell 1. The limit plate 24 is stuck in the slot 23, and then the chuck 6 is pushed. The slider 7 at the bottom of the chuck 6 slides on the slide 5, so that the chuck 6 clamps the upper shell 1 and the lower shell 2. Then the knob 8 is turned, and the knob 8 drives the stud 10 to rotate, and the stud 10 drives the pressure plate 12 to rotate. The pressure plate 12 moves down and enters the slot 21, so that the pressure plate 12 makes the lower shell 2 and the upper shell 1 in close contact;
[0030] In order to achieve the purpose of sealing, the device is implemented by adopting the following technical solution: two sealing rings 9 are embedded on the top of the upper shell 1, and the sealing rings 9 enhance the sealing of the connection between the upper shell 1 and the lower shell 2 to prevent sound leakage;
[0031] Among them, in order to achieve the purpose of convenient use, the present device is implemented by adopting the following technical solution: a connection port 3 is provided on one side of the upper shell 1, and a plurality of air pipes 4 are connected to the outside of the upper shell 1. A connector can be installed at the connection port 3 to electrically connect with the compressor, and the air pipe 4 is used for air intake and exhaust.
[0032] The use process of the utility model is as follows: when using the utility model, the noise reduction component is installed inside the upper shell 1, and then the mounting base 18 is rotated and sleeved on the outside of the threaded rod 14, the bottom of the mounting base 18 presses the cover plate 17 to fix the noise reduction component, the sound absorbing cover plate 13 is installed inside the lower shell 2, and then the limiting strip 20 is rotated to make the limiting strip 20 stuck in the limiting groove 22 to limit and fix the mounting base 18, the compressor can be installed on the top of the mounting base 18, and then the lower shell 2 and The upper shell 1 is docked, the limit plate 24 is stuck in the slot 23, and then the chuck 6 is pushed, the slider 7 at the bottom of the chuck 6 slides on the slide 5, so that the chuck 6 clamps the upper shell 1 and the lower shell 2, and then the knob 8 is turned, the knob 8 drives the stud 10 to rotate, the stud 10 drives the pressure plate 12 to rotate, the pressure plate 12 moves down and enters the slot 21, so that the pressure plate 12 makes the lower shell 2 and the upper shell 1 in close contact, and the sealing ring 9 enhances the sealing of the connection between the upper shell 1 and the lower shell 2 to prevent sound leakage.
[0033] The above is only a preferred embodiment of the utility model. Any person skilled in the art may modify the utility model by using the above technical solution or modify it into an equivalent technical solution. Therefore, any simple modification or equivalent replacement based on the technical solution of the utility model shall fall within the scope of protection claimed by the utility model.
Claims
1. A refrigerator compressor noise reduction housing structure, comprising an upper housing (1) and a lower housing (2), characterized in that: A noise reduction component is provided inside the upper shell (1), and the noise reduction component comprises a damping pad (15), the damping pad (15) is provided at the bottom of the upper shell (1), a threaded rod (14) is fixedly provided at the bottom of the upper shell (1), the threaded rod (14) passes through the damping pad (15), a honeycomb panel (16) is fixedly provided on the top of the damping pad (15), a cover panel (17) is provided on the top of the honeycomb panel (16), an annular sound absorbing panel (19) is fixedly provided on the top of the cover panel (17), and the annular sound absorbing panel (19) is in contact with the inner wall of the upper shell (1), a mounting component is provided inside the upper shell (1), and a fixing component is provided outside the upper shell (1).
2. A refrigerator compressor noise reduction housing structure according to claim 1, characterized in that: The mounting assembly comprises a mounting base (18), the mounting base (18) being arranged inside the upper shell (1), the mounting base (18) being connected to the threaded rod (14) via threads, the bottom of the mounting base (18) being in contact with the top of the cover plate (17), the top of the mounting base (18) being movably connected to a limit strip (20) via a rotating shaft, the top of the threaded rod (14) being provided with a limit slot (22), the limit strip (20) being engaged with the limit slot (22).
3. A refrigerator compressor noise reduction housing structure according to claim 1, characterized in that: The fixing assembly comprises a slide (5), the slide (5) being fixedly arranged on one side of the upper shell (1), a slider (7) being provided on the top of the slide (5), a chuck (6) being fixedly arranged on the top of the slider (7), the chuck (6) limiting the position of the upper shell (1) and the lower shell (2), a knob (8) being provided on the top of the chuck (6), a stud (10) being fixedly connected to one side of the knob (8), the stud (10) passing through the top of the chuck (6) and being connected to the top of the chuck (6) by a thread, a pressure plate groove (11) being provided on the inner side of the chuck (6), one end of the stud (10) being connected to a pressure plate (12) by a bearing, the pressure plate (12) sliding inside the pressure plate groove (11), a plurality of card slots (21) being provided on the top of the lower shell (2), the pressure plate (12) extending into the card slots (21).
4. A refrigerator compressor noise reduction housing structure according to claim 1, characterized in that: A sound absorbing cover plate (13) is threadedly connected to the interior of the lower shell (2).
5. The refrigerator compressor noise reduction housing structure according to claim 1, characterized in that: A limiting plate (24) is fixedly provided on the top of the upper shell (1), a slot (23) is provided on one side of the lower shell (2), and the limiting plate (24) is buckled with the slot (23).
6. The refrigerator compressor noise reduction housing structure according to claim 1, characterized in that: Two sealing rings (9) are embedded in the top of the upper shell (1).
7. A refrigerator compressor noise reduction housing structure according to claim 1, characterized in that: A connection port (3) is provided on one side of the upper shell (1).
8. The refrigerator compressor noise reduction housing structure according to claim 1, characterized in that: The upper shell (1) is externally connected to a plurality of air pipes (4).
9. The refrigerator compressor noise reduction housing structure according to claim 3, characterized in that: The slide bracket (5) is slidably connected to the slider (7).
Citation Information
Patent Citations
Compressor and refrigerator that has it
CN205841216U