CN210397016U - Sealing device and compressor using same - Google Patents
Sealing device and compressor using same Download PDFInfo
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- CN210397016U CN210397016U CN201921031989.7U CN201921031989U CN210397016U CN 210397016 U CN210397016 U CN 210397016U CN 201921031989 U CN201921031989 U CN 201921031989U CN 210397016 U CN210397016 U CN 210397016U
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Abstract
The utility model relates to a daily electric appliance technical field, concretely relates to sealing device and applied this sealing device's compressor. The utility model provides a sealing device is including the sealing member, the both ends of sealing member are seted up flutedly, two the intercommunication has a plurality of sound-absorbing holes between the recess, the resonant cavity has been seted up on the outer wall of sealing member, and this sealing device not only can solve the pulsation of breathing in under the compressor suction state, and refrigerant steam when also avoiding breathing in simultaneously produces the vortex with the steam that has got into the pump body, reduces compressor moving noise and vibration, and then can improve compressor operation in-process stability of breathing in, has reduced pressure pulsation, because of the vibration and the noise that the vortex produced when having reduced the compressor suction state simultaneously, has guaranteed compressor moving steady.
Description
Technical Field
The utility model relates to a daily electric appliance technical field especially relates to a sealing device and applied this sealing device's compressor.
Background
With the gradual improvement of the living standard of people, the popularization rate of the air conditioner is higher and higher. The compressor is the heart of air conditioner in the present domestic air conditioner, and its rotational speed directly influences the availability factor of air conditioner, and the sealing washer belongs to compressor unit spare part simultaneously, mainly through interference fit, and the pump trachea is inhaled to the bloated tight pump, reduces to inhale the trachea and leaks. However, in the existing compressor, in the actual operation process, suction pulsation is generated, which causes noise and vibration to be increased, and when a pump body sucks air, vortex is easily formed at a cylinder suction port, which also causes pressure pulsation of the whole system, and brings adverse effects to the operation of the compressor.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention is directed to a sealing device for avoiding the disadvantages of the prior art, which not only can solve the suction pulsation of the compressor in the suction state, but also can avoid the generation of vortex between the refrigerant vapor during suction and the vapor entering the pump body, thereby reducing the noise and vibration of the compressor.
The utility model provides a sealing device, including the sealing member, the both ends of sealing member are seted up flutedly, two the intercommunication has a plurality of sound-absorbing holes between the recess, the resonant cavity has been seted up on the outer wall of sealing member.
Furthermore, the two grooves are consistent in shape and symmetrically distributed at two ends of the sealing element, and the grooves are of spherical concave structures.
Further, the sealing element is a rubber sealing element.
Further, a plurality of the sound absorption holes are arranged in a honeycomb shape.
Furthermore, the single sound absorption hole positioned in the right middle of the sealing element is arranged in a circular truncated cone shape.
Furthermore, a semicircular groove communicated with the resonant cavity is formed in the outer wall of the sealing element along the axial direction of the sealing element.
Further, the resonant cavity is annularly arranged and located in the middle of the sealing member.
The embodiment of the utility model provides an on the other hand provides a compressor, including compressor body and sealing device, sealing device is fixed in the pump aspiration tube of compressor body.
Furthermore, a metal ring communicated with the sealing device is fixed on the outer peripheral wall of the sealing device.
Furthermore, a copper plating layer is arranged on the peripheral wall of the sealing device.
The utility model has the advantages as follows: because the sealing element is arranged, and the two ends of the sealing element are provided with the grooves, after refrigerant steam passes through the sealing element, the concave surface of the groove can effectively buffer the impact of the refrigeration steam on the air suction port, the air suction pulsation of the compressor in the air suction state is solved, meanwhile, through the plurality of sound suction holes which are opened between the two grooves and the resonant cavity on the sealing element, the mass flow of the refrigerant steam flowing through the sealing element can generate self-coherence on one hand, and on the other hand, the refrigerant steam can generate friction absorption energy with the hole wall, the comprehensive effect effectively reduces the vibration and noise during air suction operation, and the generation of vortex due to the impact of the refrigerant.
Drawings
The invention is further described with the aid of the accompanying drawings, in which, however, the embodiments do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be derived from the following drawings without inventive effort.
Fig. 1 is a cross-sectional view of the sealing device of the present invention.
Fig. 2 is a side view of the sealing device of the present invention.
Fig. 3 is a sectional view of a metal ring according to a first embodiment of the present invention.
Fig. 4 is a side view of a metal ring according to a first embodiment of the present invention.
Fig. 5 is a partial schematic view of a compressor according to a first embodiment of the present invention.
Fig. 6 is a partial schematic view of a compressor according to a second embodiment of the present invention.
Fig. 7 is a partial schematic view of a compressor according to a third embodiment of the present invention.
The figure includes: the sealing device comprises a sealing device 1, a sealing piece 2, a groove 3, a sound absorption hole 4, a resonant cavity 5, a semicircular groove 6, a compressor body 7, a pump suction pipe 8, a metal ring 9 and a copper plating layer 10.
Detailed Description
The invention will be further described with reference to the following examples.
Example 1
Referring to fig. 1-2, the present invention provides a sealing device, which comprises a sealing member 2, two ends of the sealing member 2 are provided with grooves 3, a plurality of sound absorption holes 4 are communicated between the two grooves 3, a resonant cavity 5 is provided on an outer wall of the sealing member 2, after the refrigerant vapor passes through the sealing element 2, the concave surface of the groove 3 can effectively buffer the impact of the refrigeration vapor on the air suction port of the compressor, solve the air suction pulsation of the compressor in the air suction state, at the same time, by the cooperation between the sound absorption holes 4 between the two grooves 3 and the resonant cavity 5 on the sealing member 1, so that the mass flow of the refrigerant vapor flowing through the sealing member 2 can generate self-coherence on one hand and generate friction with the wall of the sound absorption hole 4 to absorb energy on the other hand, the said comprehensive effect can reduce vibration and noise of compressor in sucking operation and avoid the collision of refrigerant vapor with the sucking cavity to produce vortex.
Referring to fig. 1, in a preferred embodiment, the two grooves 3 are identical in shape and symmetrically distributed at two ends of the sealing member 2, and the grooves 3 are spherical concave structures, so that the impact of the refrigerant vapor on the suction port can be effectively buffered due to the large surface area of the spherical concave structures.
Referring to fig. 1, in a preferred embodiment, the sealing member 2 is a rubber sealing member 2, and further, the plurality of sound absorption holes 4 on the sealing member 2 are arranged in a honeycomb shape, so that the sealing member 2 is a spherical honeycomb-shaped rubber damping structure, and the vibration damping and noise reduction effects of the sealing member 2 are better.
Referring to fig. 1, in the preferred embodiment, the single sound-absorbing hole 4 located at the center of the sealing member 2 is disposed in a truncated cone shape, and it is preferable to ensure that the small surface of the single sound-absorbing hole 4 is a refrigerant vapor inlet and the large surface is a refrigerant vapor outlet.
Referring to fig. 1, in a preferred embodiment, a semicircular groove 6 is formed in an outer wall of the sealing member 2 along an axial direction thereof, the semicircular groove 6 is located at an upper end of the sealing member, and a helmholtz resonant cavity is formed between the semicircular groove 6 and the resonant cavity 5 by matching the semicircular groove 6 and the resonant cavity 5, so as to reduce noise, and simultaneously, the size of the resonant cavity 5 can be adjusted to adjust a resonant frequency, thereby reducing noise with a specific frequency.
Referring to fig. 1, in the preferred embodiment, the resonant cavity 5 is disposed in a ring shape, and the resonant cavity 5 is located in the middle of the sealing member 2, so that the sealing member 2 has better resonance effect.
Referring to fig. 5, another aspect of the present invention provides a compressor, which includes a compressor body 7 and a sealing device 1, wherein the sealing device 1 is fixed in a pumping air pipe 8 of the compressor body 7. Referring to fig. 3-5, further, a metal ring 9 is sleeved on the outer peripheral wall of the sealing device 1 and is communicated with the sealing device 1. Preferably, becket 9 adopts the SPCC material, can effectual improvement becket 9's life, and similar drinking cup structure, the bottom is the round through-hole, and overall structure and sealing device 1 looks adaptation to adopt interference fit with pump suction pipe 8, can be effectual be fixed in the pump suction pipe with sealing device 1, and guarantee that sealing device 1 is stable be fixed in pump suction pipe 8 in, can not take place the skew.
The working process of the compressor comprises the following steps: before the compressor works, the metal ring 9 is nested on the sealing device 1, then the metal ring is directly driven into a pumping air pipe 8 by punching force, after the compressor works, the compressor is in a turbulent flow state with high Reynolds number when sucking air, refrigerant steam mass flow passes through the sealing device 1, the turbulent flow mass flow is changed into a nearly laminar flow by matching the structure of the plurality of sound absorption holes 4 of the sealing piece 2 with the resonance cavity 5, the mass flow through the outflow small holes generates self-coherence, the pulsation fluctuation of mass flow can be eliminated, meanwhile, the resonance cavity also eliminates a part of specific frequency noise, and the structure of the sealing device 1 can be considered to be adopted by single-cylinder and double-cylinder models.
Example 2
Referring to fig. 1-2, the present invention provides a sealing device, which comprises a sealing member 2, two ends of the sealing member 2 are provided with grooves 3, a plurality of sound absorption holes 4 are communicated between the two grooves 3, a resonant cavity 5 is provided on the outer wall of the sealing member 2, when refrigerant vapor passes through the sealing member 2, the concave surface of the groove 3 can effectively buffer the impact of the refrigerant vapor on the air suction port of the compressor, thereby solving the air suction pulsation of the compressor in the air suction state, meanwhile, through the cooperation between the sound absorption holes 4 between the two grooves 3 and the resonant cavity 5 on the sealing member 1, the refrigerant vapor mass flow passing through the sealing member 2 can generate self-coherence on one hand, and generate friction absorption energy with the hole wall of the sound absorption hole 4 on the other hand, the vibration and noise of the compressor during air suction operation can be effectively reduced through the cooperation of the above-, the refrigerant vapor impingement with the suction chamber is also avoided from producing a vortex.
Referring to fig. 1, in a preferred embodiment, the two grooves 3 are identical in shape and symmetrically distributed at two ends of the sealing member 2, and the grooves 3 are spherical concave structures, so that the impact of the refrigerant vapor on the suction port can be effectively buffered due to the large surface area of the spherical concave structures.
Referring to fig. 1, in a preferred embodiment, the sealing member 2 is a rubber sealing member 2, and further, a plurality of sound absorption holes 4 on the sealing member 2 are arranged in a honeycomb shape. The sealing element 2 can be a spherical honeycomb rubber damping structure, and the vibration reduction and noise reduction effects are better.
Referring to fig. 1, in the preferred embodiment, the single sound-absorbing hole 4 located at the center of the sealing member 2 is disposed in a truncated cone shape, and it is preferable to ensure that the small surface of the single sound-absorbing hole 4 is the refrigerant vapor inlet and the large surface is the refrigerant vapor outlet.
Referring to fig. 1, in a preferred embodiment, a semicircular groove 6 is formed in an outer wall of the sealing member 2 along an axial direction thereof, the semicircular groove 6 is located at an upper end of the sealing member, and a helmholtz resonant cavity is formed between the semicircular groove 6 and the resonant cavity 5 by matching the semicircular groove 6 and the resonant cavity 5, so as to reduce noise, and simultaneously, the size of the resonant cavity 5 can be adjusted to adjust a resonant frequency, thereby reducing noise with a specific frequency.
Referring to fig. 1, in the preferred embodiment, the resonant cavity 5 is disposed in a ring shape, and the resonant cavity 5 is located in the middle of the sealing member 2, so that the sealing member 2 has better resonance effect.
Referring to fig. 6, another aspect of the present invention provides a compressor, which includes a compressor body 7 and a sealing device 1, wherein the sealing device 1 is fixed in a pumping air pipe 8 of the compressor body 7. Through the electro-coppering on the periphery wall of sealing device 1 for be provided with copper plate layer 10 on the periphery wall of sealing device 1, then directly squeeze into it with the punching press and pump in 8 trachea, can effectual improvement sealing device 1 and the compressor between the assembly efficiency.
The working process of the compressor comprises the following steps: before the compressor works, firstly, the outer surface of the sealing device 1 is subjected to copper plating treatment, so that a copper plating layer with a certain thickness is formed on the sealing device 1, then the copper plating layer is directly driven into a pumping air pipe 8 by punching force, after the compressor works, the compressor is in a high-Reynolds-number turbulent flow state when air is sucked, refrigerant steam mass flow flows through the sealing device 1, passes through a plurality of sound suction hole 4 structures and a resonant cavity 5 of the sealing piece 2, the turbulent mass flow is changed into a nearly laminar flow, self-coherence is generated through the mass flow of an outflow small hole, pulsation fluctuation of certain mass flow can be eliminated, and meanwhile, the resonant cavity can eliminate a part of specific frequency noise.
Example 3
Referring to fig. 1-2, the present invention provides a sealing device, which comprises a sealing member 2, two ends of the sealing member 2 are provided with grooves 3, a plurality of sound absorption holes 4 are communicated between the two grooves 3, a resonant cavity 5 is provided on an outer wall of the sealing member 2, after the refrigerant vapor passes through the sealing element 2, the concave surface of the groove 3 can effectively buffer the impact of the refrigeration vapor on the air suction port of the compressor, solve the air suction pulsation of the compressor in the air suction state, at the same time, by the cooperation between the sound absorption holes 4 between the two grooves 3 and the resonant cavity 5 on the sealing member 1, so that the mass flow of the refrigerant vapor flowing through the sealing member 2 can generate self-coherence on one hand and generate friction with the wall of the sound absorption hole 4 to absorb energy on the other hand, the said comprehensive effect can reduce vibration and noise of compressor in sucking operation and avoid the collision of refrigerant vapor with the sucking cavity to produce vortex.
Referring to fig. 1, in a preferred embodiment, the two grooves 3 are identical in shape and symmetrically distributed at two ends of the sealing member 2, and the grooves 3 are spherical concave structures, so that the impact of the refrigerant vapor on the suction port can be effectively buffered due to the large surface area of the spherical concave structures.
Referring to fig. 1, in a preferred embodiment, the sealing member 2 is a rubber sealing member 2, and further, a plurality of sound absorption holes 4 on the sealing member 2 are arranged in a honeycomb shape. The sealing element 2 can be a spherical honeycomb rubber damping structure, and the vibration reduction and noise reduction effects are better.
Referring to fig. 1, in the preferred embodiment, the single sound-absorbing hole 4 located at the center of the sealing member 2 is disposed in a truncated cone shape, and it is preferable to ensure that the small surface of the single sound-absorbing hole 4 is a refrigerant vapor inlet and the large surface is a refrigerant vapor outlet.
Referring to fig. 1, in a preferred embodiment, a semicircular groove 6 is formed in an outer wall of the sealing member 2 along an axial direction thereof, the semicircular groove 6 is located at an upper end of the sealing member, and a helmholtz resonant cavity is formed between the semicircular groove 6 and the resonant cavity 5 by matching the semicircular groove 6 and the resonant cavity 5, so as to reduce noise, and simultaneously, the size of the resonant cavity 5 can be adjusted to adjust a resonant frequency, thereby reducing noise with a specific frequency.
Referring to fig. 1, in the preferred embodiment, the resonant cavity 5 is disposed in a ring shape, and the resonant cavity 5 is located in the middle of the sealing member 2, so that the sealing member 2 has better resonance effect.
Referring to fig. 7, another aspect of the embodiment of the present invention provides a compressor, which includes a compressor body 7 and a sealing device 1, wherein the sealing device 1 is fixed in a suction pipe 8 of the compressor body 7, so as to eliminate a subsequent processing process for the sealing device 1 and improve work efficiency.
The working process of the compressor comprises the following steps: before the compressor works, the sealing device 1 is firstly driven into a pumping air pipe 8 by punching force, after the compressor works, the compressor is in a turbulent flow state with high Reynolds number when air is sucked, refrigerant vapor mass flow flows through the sealing device 1, then passes through the plurality of sound absorption hole 4 structures and the resonant cavity 5 of the sealing piece 2, the turbulent flow mass flow is changed into approximate laminar flow, the mass flow through the outflow small holes is self-coherent, some pulsation fluctuation of the mass flow can be eliminated, and meanwhile, the resonant cavity can eliminate a part of specific frequency noise.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, 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 (10)
1. A seal assembly, characterized by: the sound absorption device comprises a sealing element, wherein grooves are formed in two ends of the sealing element, a plurality of sound absorption holes are communicated between the two grooves, and a resonant cavity is formed in the outer wall of the sealing element.
2. A seal assembly as defined in claim 1, wherein: the two grooves are consistent in shape and symmetrically distributed at two ends of the sealing element, and the grooves are of spherical concave structures.
3. A seal assembly as defined in claim 1, wherein: the sealing element is a rubber sealing element.
4. A seal assembly as defined in claim 1, wherein: the sound absorption holes are arranged in a honeycomb shape.
5. A seal assembly as defined in claim 1, wherein: and the single sound absorption hole positioned in the right middle of the sealing element is arranged in a circular truncated cone shape.
6. A seal assembly as defined in claim 1, wherein: and a semicircular groove communicated with the resonant cavity is formed in the outer wall of the sealing element along the axial direction of the sealing element.
7. A seal assembly as defined in claim 1, wherein: the resonant cavity is annularly arranged and is positioned in the middle of the sealing piece.
8. A compressor, characterized by: comprising a compressor body and a sealing device according to any one of claims 1 to 7, said sealing device being fixed in a pump suction pipe of said compressor body.
9. A compressor as set forth in claim 8, wherein: and a metal ring communicated with the sealing device is fixed on the peripheral wall of the sealing device.
10. A compressor as set forth in claim 8, wherein: and a copper plating layer is arranged on the peripheral wall of the sealing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921031989.7U CN210397016U (en) | 2019-07-04 | 2019-07-04 | Sealing device and compressor using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921031989.7U CN210397016U (en) | 2019-07-04 | 2019-07-04 | Sealing device and compressor using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210397016U true CN210397016U (en) | 2020-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921031989.7U Active CN210397016U (en) | 2019-07-04 | 2019-07-04 | Sealing device and compressor using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210397016U (en) |
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2019
- 2019-07-04 CN CN201921031989.7U patent/CN210397016U/en active Active
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