CN208803967U - A kind of light-duty commercial refrigeration compressor - Google Patents
A kind of light-duty commercial refrigeration compressor Download PDFInfo
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- CN208803967U CN208803967U CN201821642515.1U CN201821642515U CN208803967U CN 208803967 U CN208803967 U CN 208803967U CN 201821642515 U CN201821642515 U CN 201821642515U CN 208803967 U CN208803967 U CN 208803967U
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- refrigeration compressor
- commercial refrigeration
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Abstract
The utility model discloses a kind of light-duty commercial refrigeration compressors, it include: shell, base, compression mechanism, valve train, draw socket, motor, support frame, base is fixedly connected on the bottom of shell, compression mechanism and valve train are placed in enclosure interior, support frame is immobilized in the shell on wall and supports the compression mechanism, the second support construction is equipped with below support frame, there is the second support construction of spring support seat by being arranged, pass through the buffer function of the second support construction when making crank rotation, reduce the noise in compressor operating, simultaneously, by being provided with muffler on shell, muffler is equipped with plastics silencer, the refrigerant gas sucked outside compressor by muffler, it is directly entered plastics inhaling silencer, since silencer simultaneously can be heat-insulated, reduce compressor internal heat to sucking refrigerant gas The gas flow of the heat effect of body, sucking is increased, and improves the efficiency of compressor.
Description
Technical field
The utility model relates to Compressor Technology fields, more particularly to a kind of light-duty commercial refrigeration compressor.
Background technique
Compressor is the driven fluid machinery that low-pressure gas is promoted to high pressure gas, is the heart of refrigeration system, it
From the refrigerant gas of air intake duct sucking low-temp low-pressure, operated by motor after being compressed with piston to it, to exhaust pipe
Be discharged high temperature and pressure refrigerant gas, provide power for refrigeration cycle, thus realize compression → condensation (heat release) → expansion →
The refrigeration cycle of (heat absorption) is evaporated, common compressor has piston compressor, helical-lobe compressor, centrifugal compressor, straight line
Compressor etc..
Refrigerator and cooler compressor in the market is all positive displacement, including reciprocating, rotary, reciprocating compression
Machine uses piston, crankshaft, link mechanism or piston, crank, slip pipe mechanism, by link mechanism around crank rotation to
It moves reciprocatingly in cylinder with piston and realizes the purpose of compressed gas, currently, light-duty commercial refrigeration compressor is all using suction
Air cavity and base cast the frame mode being integrated.
Integral type air suction structure is used in traditional commercial refrigeration compressor, during air-breathing, due to the heat of cylinder body
Amount is conducted to inlet chamber, to be easy to cause the reduction of gas transmission coefficient to sucking gas heating, compressor efficiency is caused to reduce.
Summary of the invention
The utility model is intended to provide a kind of light-duty commercial refrigeration compressor, to solve to deposit in current commercial refrigeration compressor
Sucking gas heated by cavity, be easy to cause the reduction of gas transmission coefficient, the problem of causing compressor efficiency to reduce.
To achieve the above object, the technical solution that the utility model uses is: providing a kind of light-duty commercial refrigeration pressure
Contracting machine, a kind of light-duty commercial refrigeration compressor, comprising: shell, base, draw socket, motor, support frame；The base is fixed
It is connected to the bottom of shell；It is characterized by: the light-duty commercial refrigeration compressor further includes compression mechanism and valve train；Institute
It states compression mechanism and valve train is placed in enclosure interior；Support frame as described above is immobilized in the shell on wall and supports the compressor
Structure；The second support construction is equipped with below support frame as described above；
The compression mechanism includes: the cylinder being fixed on support frame as described above, crankshaft, the company for being rotatably connected on crankshaft upper end
Bar, the piston being fixedly connected with connecting rod；The piston is slidably arranged in cylinder；The underfill of the shell has lubricating oil；
Oil duct is equipped with inside the compression mechanism；The oil duct lower part is equipped with the oil pump being connected to the oil duct；
The valve train includes: the inlet valve being connected to the cylinder and exhaust valve, is sealedly connected on inlet valve respectively
With two valve decks, the inside exhaust pipe for being connected to inlet valve and exhaust valve, the muffler that is located on shell on exhaust valve；The return-air
Inhaling silencer is connected on pipe.
Further, second support construction is connected to the lower support base group on support frame as described above by support frame and spring
At；The lower support base is fixedly connected on shell.
Further, refrigerant gas is passed through in the muffler.
Further, the material of the inhaling silencer is plastics.
Further, the motor includes: the stator being bolted on support frame as described above, is placed in turning for stator interior
Son, the lead for being connected electrically in stator lower end.
Further, the crankshaft is connected on the rotor.
Further, starter is further fixed on the side wall of the shell；The lead is electrically connected on the starter.
Further, the rotor is equipped with axis hole；The oil pump is located at the middle and lower part of rotor shaft hatch.
Further, the lubricating oil in the oil pump is by entering oil duct in the middle part of rotor shaft hatch.
Further, the oil pump is connected to lubricating oil liquid level.
The beneficial effects of the utility model are:
By being provided with return pipe, also, the second support construction by setting with spring support seat on shell, make
By the buffer function of the second support construction when crank rotation, the noise in compressor operating is reduced, meanwhile, by shell
On be provided with muffler, muffler is equipped with plastics silencer, the refrigerant gas sucked outside compressor by muffler, directly
It taps into plastics inhaling silencer, it is heat-insulated due to plastics, reduce compressor internal heat and sucking refrigerant gas is added
The gas flow of heat effect, sucking is increased, and improves the efficiency of compressor.
Detailed description of the invention
Fig. 1 is the top view of light-duty commercial refrigeration compressor provided by the utility model；
Fig. 2 is cross-sectional view of this Fig. 1 along line A-A；
Appended drawing reference: 1- shell, 2- base, 3- compression mechanism, 4 valve trains, 5- draw socket, 6- motor, 7- support
Frame, the second support construction of 8-, 32- cylinder, 33- crankshaft, 34- connecting rod, 35- piston, 36- oil duct, 37- oil pump, 38- lubricating oil,
41- inlet valve, 42- exhaust valve, 43- valve deck, 44- exhaust pipe, 45- muffler, 46- inhaling silencer.
Specific embodiment
Light-duty commercial refrigeration compressor provided by the utility model is described in detail with reference to the accompanying drawing.
In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right",
"bottom", "inner", "outside", etc. instructions orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for describing the utility model and simplifying description, rather than the device or element of indication or suggestion meaning must have specific side
Position is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " first ",
" second " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or implicitly indicates indicated technology
The quantity of feature.For the ordinary skill in the art, it can understand that above-mentioned term is practical at this as the case may be
Concrete meaning in novel.
Embodiment 1
As Figure 1-Figure 2, the light-duty commercial refrigeration compressor, comprising: shell 1, base 2, draw socket 5, motor 6,
Support frame 7；The base 2 is fixedly connected on the bottom of shell 1；The light-duty commercial refrigeration compressor further include compression mechanism 3,
Valve train 4；The compression mechanism 3 and valve train 4 are placed in inside shell 1；Support frame as described above 7 is immobilized in the shell on wall
And the support compression mechanism 3；The second support construction 8 is equipped with below support frame as described above 7；
The compression mechanism 3 includes: the cylinder 32 being fixed on support frame 7, the crankshaft being connected to inside motor 33, rotation
The connecting rod 34 for being connected to 33 upper end of crankshaft, the piston 35 being fixedly connected with connecting rod 34；The piston 35 is slidably arranged in cylinder 32
It is interior；Oil duct 36 is equipped with inside the compression mechanism 3；36 lower part of oil duct is equipped with the oil pump 37 being connected to the oil duct 36；Institute
The underfill for stating shell has lubricating oil 38；
The valve train 4 includes: the inlet valve 41 being connected to the cylinder and exhaust valve 42, is sealedly connected on suction respectively
Air valve 41 on exhaust valve 42 two valve decks 43, be connected to inlet valve 41 and exhaust valve 42 inside exhaust pipe 44, be located on shell
Muffler 45；Inhaling silencer 46 is connected on the muffler 45.
Shell 1 as shown in Figure 1 is to split into upper and lower two halves in fact, can be with when installing the light-duty commercial refrigeration compressor
After installing base 2 and lower half of shell, start the compression mechanism 3 and valve train 4 inside installation, therefore realizes that installation should
The purpose of light-duty commercial refrigeration compressor.
The compression mechanism 3 and valve train 4 are placed in inside shell 1, by the way that the branch being immobilized in the shell on wall is arranged
Support 7 supports the compression mechanism 3, since the material of compression mechanism 3 and the part of valve train 4 is generally steel, and compresses
Mechanism 3 and valve train 4 are connected and are supported on support frame as described above 7；Second support construction 8 is connected by support frame 7 and spring
The lower support base 81 connect on support frame as described above 7 forms；The lower support base 81 is fixedly connected on shell, by the branch
The second support construction 8 is equipped with below support 7, the second support construction 8 includes support frame 7 and increased support newly on support frame 7
Seat 81, and support base 81 is connect with support frame 7 by spring, in compression mechanism work, passes through the work of the second support construction 8
With buffering the vibration support base 81 in fixed compression mechanism 3 and the work of valve train 4, to reduce vibration
Amplitude, with achieve the purpose that reduce noise, while improve compression mechanism 3 and valve train work in performance.
As shown in Fig. 2, compression mechanism 3 includes the cylinder 32 that upper end is fixed on support frame 7, lower part is connected to electricity
Crankshaft 33 inside machine, and the piston 35 for being rotatably connected on the connecting rod 34 of 33 upper end of crankshaft, being fixedly connected with connecting rod 34, herein
It should be noted that the crankshaft 33 is connected to inside motor and refers to, all there is rotor inside usual motor, by piston and turns
Son connection, in motor work, rotor rotation, to be rotated with dynamic crankshaft 33, since 33 upper end of crankshaft connects connecting rod 34, herein
It should be noted that connecting rod 34 is link mechanism, being able to achieve one end can swing with the rotation of crankshaft 33, and the other end can be drawn
Move the piston 35 and do piston motion in cylinder, by the piston 35 being slidably arranged in cylinder 32, link mechanism it is another
Connection piston 35 in end sucks gas and the effect of compression and discharge gas to realize in cylinder 32.
Oil duct 36 is equipped with inside the compression mechanism 3, herein it should be noted that the oil duct is arranged on crankshaft 33
Groove, crank rotation when, lubricating oil can be thrown away and be passed through piston, so that piston can lubricate, reach reduction and make an uproar
The purpose of sound and guard block, 36 lower part of oil duct are equipped with the oil pump 37 being connected to the oil duct 36；The bottom of the shell
Filled with lubricating oil 38；Lubricating oil is conveyed to the oil duct 36 by the effect of oil pump 37, to guarantee that lubricating oil is conveyed in time
Piston ensure that the normal work of piston.
Embodiment 2
On the basis of embodiment 1, the crankshaft 33 is connected on the rotor 62, above-mentioned it is stated that crankshaft is connected to
In the motor 6, and by the way that crankshaft 33 is connected on the rotor 62, turn when realizing that rotor 62 is rotated with dynamic crankshaft 33
It is dynamic, herein it should be noted that so-called clamping is can be by crankshaft 33 since crankshaft 33 and rotor 62 are usually metal parts
It is realized with the interference fit of rotor 62.
Embodiment 3
The material of the inhaling silencer 46 is plastics, and the silencer is the silencer commonly used, refers to while having
Have the airflow line of noise transmission, be have sound absorption lining pipeline and elbow or utilize sectional area sudden change sound transmission
With equal noise reductions device, noise in pipeline is set to be decayed or be reflected back, inhaling silencer 46 used in this use information is
The inhaling silencer 46 generally used has good noise elimination effect by using the silencer 46 of plastics.
Embodiment 4
It is passed through refrigerant gas in the muffler 45, herein it should be noted that the refrigerant gas is universal
The refrigerant gas used, not special limitation realize refrigeration machine by the circulation heat exchange action of compression refigerating machine gas
Refrigeration.
Embodiment 5
Starter is further fixed on the side wall of the shell 1；The lead is electrically connected on the starter, this is practical new
The starting model MTRP, lead used by type are connected to starter by way of electrical connection, thus by manually grasping
Achieve the purpose that control starting and stopping for motor as starter.
Embodiment 6
Axis hole is equipped on the rotor；The oil pump is located at the middle and lower part of rotor shaft hatch, the lubricating oil in the oil pump
By entering oil duct in the middle part of rotor shaft hatch, the oil duct lower part is connected to lubricating oil liquid level.By the setting of axis hole, and oil pump
The effect for extracting lubricating oil keeps lubricating oil upward from oil duct transport and is conveyed to piston.
The above description is only the embodiments of the present invention, is not intended to limit the present invention/utility model the scope of the patents,
Equivalent structure or equivalent flow shift made by using the description of the utility model and the drawings, is directly or indirectly transported
Used in other related technical areas, it is also included in the patent protection scope of the utility model.
Claims (10)
1. a kind of light-duty commercial refrigeration compressor, comprising: shell, base, draw socket, motor, support frame；The base is fixed
It is connected to the bottom of shell；It is characterized by: the light-duty commercial refrigeration compressor further includes compression mechanism and valve train；Institute
It states compression mechanism and valve train is placed in enclosure interior；Support frame as described above is immobilized in the shell on wall and supports the compressor
Structure；The second support construction is equipped with below support frame as described above；
The compression mechanism include: the cylinder being fixed on support frame as described above, crankshaft, the connecting rod for being rotatably connected on crankshaft upper end,
The piston being fixedly connected with connecting rod；The piston is slidably arranged in cylinder；The underfill of the shell has lubricating oil；It is described
Oil duct is equipped with inside compression mechanism；The oil duct lower part is equipped with the oil pump being connected to the oil duct；
The valve train includes: the inlet valve being connected to the cylinder and exhaust valve, is sealedly connected on inlet valve and row respectively
The inside exhaust pipe of two valve decks, connection inlet valve and exhaust valve on air valve, the muffler being located on shell；On the muffler
It is connected with inhaling silencer.
2. light-duty commercial refrigeration compressor according to claim 1, it is characterised in that: second support construction is by supporting
Frame and spring are connected to the composition of the lower support base on support frame as described above；The lower support base is fixedly connected on shell.
3. light-duty commercial refrigeration compressor according to claim 1, it is characterised in that: be passed through refrigerant in the muffler
Gas.
4. light-duty commercial refrigeration compressor according to claim 1, it is characterised in that: the material of the inhaling silencer is
Plastics.
5. light-duty commercial refrigeration compressor according to claim 1, it is characterised in that: the motor includes: to be bolted
Stator on support frame as described above, the rotor for being placed in stator interior, the lead for being connected electrically in stator lower end.
6. light-duty commercial refrigeration compressor according to claim 5, it is characterised in that: the crankshaft is connected to the rotor
On.
7. light-duty commercial refrigeration compressor according to claim 5, it is characterised in that: also fixed on the side wall of the shell
There is starter；The lead is electrically connected on the starter.
8. light-duty commercial refrigeration compressor according to claim 5, it is characterised in that: the rotor is equipped with axis hole；Institute
State the middle and lower part that oil pump is located at rotor shaft hatch.
9. light-duty commercial refrigeration compressor according to claim 8, it is characterised in that: the lubricating oil in the oil pump passes through
Enter oil duct in the middle part of rotor shaft hatch.
10. light-duty commercial refrigeration compressor according to claim 1, it is characterised in that: the oil pump is connected to lubricating oil
Liquid level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821642515.1U CN208803967U (en) | 2018-10-10 | 2018-10-10 | A kind of light-duty commercial refrigeration compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821642515.1U CN208803967U (en) | 2018-10-10 | 2018-10-10 | A kind of light-duty commercial refrigeration compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208803967U true CN208803967U (en) | 2019-04-30 |
Family
ID=66238938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821642515.1U Active CN208803967U (en) | 2018-10-10 | 2018-10-10 | A kind of light-duty commercial refrigeration compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208803967U (en) |
-
2018
- 2018-10-10 CN CN201821642515.1U patent/CN208803967U/en active Active
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