CN205207186U - Compressor crankshaft and compressor - Google Patents
Compressor crankshaft and compressor Download PDFInfo
- Publication number
- CN205207186U CN205207186U CN201520930746.2U CN201520930746U CN205207186U CN 205207186 U CN205207186 U CN 205207186U CN 201520930746 U CN201520930746 U CN 201520930746U CN 205207186 U CN205207186 U CN 205207186U
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- China
- Prior art keywords
- compressor
- crank shaft
- crankshaft body
- exhaust port
- motor
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Abstract
The utility model discloses a compressor crankshaft and compressor, this compressor crankshaft include the bent axle body, the bent axle body includes first end and second end, be equipped with on the bent axle body and be located first end with eccentric portion between the second end, the follow has been seted up on the bent axle body off -centre portion with position between the second end extends to the exhaust hole of second end. This compressor includes above -mentioned compressor crankshaft. In above -mentioned compressor crankshaft and compressor, make full use of compressor crankshaft's inner space, increase gaseous flow area, has reduced gaseous resistance, and has not needed to make any change to the rotor and the stator of compressor, can not influence the efficiency of motor.
Description
Technical field
The utility model relates to technical field of heat exchange equipment, in particular to a kind of compressor crank shaft and compressor.
Background technique
Refer to Fig. 1, a kind of rotary compressor comprises shell 11, motor 13 and pump assembly 15, and motor 13 comprises rotor 131 and stator 133, is formed with middle chamber 17 between the bottom of motor 13 and pump assembly 15, and motor 13 is formed with upper cavity 19 on top.In rotary compressor, first the gas that pump assembly 15 exports can arrive middle chamber 17, then arrive upper cavity 19 and discharge rotary compressor by outlet pipe.
At present, the gas of rotary compressor middle chamber 17 flows to upper cavity 19 by the gap a between shell 11 and stator 133 and the gap b between stator 133 and rotor 131.But, because the sectional area of gap a and gap b is little, define certain exhaust resistance, improve the power consumption of rotary compressor to a certain extent.For increasing the circulation area of gas to reduce exhaust resistance, through hole can be offered in rotor 131 or stator 133, but, the magnetic circuit of motor 13 can be changed like this, affect magnetic close, sacrifice the efficiency of a part of motor.
Model utility content
Based on this, be necessary to be subject to exhaust resistance impact for compressor and power consumption improves and the affected problem of electric efficiency, a kind of compressor crank shaft and compressor are provided.
A kind of compressor crank shaft, comprise crankshaft body, described crankshaft body comprises first end and the second end, described crankshaft body is provided with the eccentric part between described first end and described second end, described crankshaft body offers the exhaust port extending to described second end from the position between described eccentric part and described second end.
Wherein in an embodiment, described exhaust port is opened in the inside of described crankshaft body, and one end of described exhaust port is opened in described second end of described crankshaft body, and the other end is opened in the sidewall in the middle part of described crankshaft body.
Wherein in an embodiment, the other end of described exhaust port has multiple aperture on the sidewall of described crankshaft body.
Wherein in an embodiment, described crankshaft body also offers oil duct, described oil duct extends to the position between described eccentric part and described second end from the described first end of described crankshaft body.
Wherein in an embodiment, described compressor crank shaft also comprises the guide plate be fixed in the described exhaust port of described crankshaft body.
Wherein in an embodiment, described guide plate is helical.
The utility model also discloses a kind of compressor, comprises above-mentioned compressor bent axle.
Wherein in an embodiment, described compressor also comprises shell, motor and pump assembly, described motor, described pump assembly and described compressor crank shaft are arranged in described shell, and described motor and described pump assembly are sheathed on described compressor crank shaft respectively, middle chamber is formed between described motor and described pump assembly, described motor is formed with upper cavity away from one end of described pump assembly, and the described exhaust port of described compressor crank shaft is communicated with described middle chamber and described upper cavity.
Wherein in an embodiment, described motor comprises rotor and stator, and described rotor is sheathed on outside described compressor crank shaft, and described stator sleeve is located at outside described rotor, be provided with the first gap between described shell and described stator, between described stator and described rotor, be provided with the second gap.
Wherein in an embodiment, described pump assembly comprises upper flange, lower flange and piston assembly, described piston assembly coordinates with the described eccentric part of described crankshaft body, described upper flange and described lower flange lay respectively at described piston assembly both sides, and described upper flange is positioned at the side near described motor; Described middle chamber comprises and is opened in the depression of described rotor near one end of described pump assembly, and one end of the position of described exhaust port between described eccentric part with described second end extends to the position of corresponding described depression.
In above-mentioned compressor bent axle and compressor, take full advantage of the inner space of compressor crank shaft, increase the circulation area of gas, reduce the resistance of gas, and do not need to make any change to the rotor of compressor and stator, the efficiency of motor can not be affected.
Accompanying drawing explanation
Fig. 1 is a kind of compressor partial structurtes schematic diagram;
Fig. 2 is the structural representation of the utility model compressor crank shaft one mode of execution;
The crankshaft body structural representation that Fig. 3 is compressor crank shaft shown in Fig. 2; And
Fig. 4 is the structural representation of the guide plate of compressor crank shaft shown in Fig. 2;
Fig. 5 is the structural representation of the utility model compressor one mode of execution.
Embodiment
For the ease of understanding the utility model, below with reference to relevant drawings, the utility model is described more fully.Preferred embodiment of the present utility model is given in accompanying drawing.But the utility model can realize in many different forms, is not limited to embodiment described herein.On the contrary, provide the object of these embodiments be make the understanding of disclosure of the present utility model more comprehensively thorough.
It should be noted that, when element is called as " being fixed on " another element, it can directly on another element or the element that also can exist between the two.When an element is considered to " connection " another element, it can be the element being directly connected to another element or may existing between the two simultaneously.
Unless otherwise defined, all technology used herein and scientific terminology are identical with belonging to the implication that those skilled in the art of the present utility model understand usually.The object of the term used in specification of the present utility model herein just in order to describe specific embodiment, is not intended to be restriction the utility model.Term as used herein " and/or " comprise arbitrary and all combinations of one or more relevant Listed Items.
Refer to Fig. 2 and Fig. 3, the compressor crank shaft 27 of the utility model one embodiment comprises crankshaft body 271, crankshaft body 271 comprises first end 2711 and the second end 2713, and crankshaft body 271 is provided with the eccentric part 2714 between first end 2711 and the second end 2713.Crankshaft body 271 offers the exhaust port 2715 extending to the second end 2713 from the position between eccentric part 2714 and the second end 2713.
Due to crankshaft body 271 offering exhaust port 2715, therefore this compressor crank shaft 27 is applied to when being compressor, gas can enter exhaust port 2715 from the position between eccentric part 2714 and the second end 2713, the exhaust port 2715 of crankshaft body 271 is discharged from the position of the second end 2713 of crankshaft body 271, finally discharge compressor, take full advantage of the inner space of compressor crank shaft 27, increase the circulation area of gas, reduce the resistance of gas, and do not need to make any change to the rotor of compressor and stator, the efficiency of motor can not be affected.
It should be noted that, exhaust port 2715 can be opened in the inside of crankshaft body 271, also can be opened in the sidewall of crankshaft body 271.Be appreciated that exhaust port 2715 also partly can be opened in crankshaft body 271 inner, part is opened in the sidewall of crankshaft body 271.
In the present embodiment, exhaust port 2715 is opened in the inside of crankshaft body 271.More preferably, one end of exhaust port 2715 is opened in the second end 2713 of crankshaft body 271, and the other end is opened in the sidewall in the middle part of crankshaft body 271.Preferably, the other end of exhaust port 2715 has multiple aperture on the sidewall of crankshaft body 271, is convenient to gas and enters exhaust port 2715.
Preferably, crankshaft body 271 also offers oil duct 2717, oil duct 2717 extends to the position between eccentric part 2714 and the second end 2713 from the first end 2711 of crankshaft body 271.Fluid can enter oil duct 2717 from the first end 2711 of crankshaft body 271, to lubricate with multiple part fits place crankshaft body 271.Particularly, crankshaft body 271 offers multiple oilhole 2718, flow out from oil duct 2717 to make fluid.
Preferably, oil duct 2717 is arranged near the interval, one end of first end 2711 near one end of the second end 2713 and exhaust port 2715, and such oil duct 2717 is not communicated with exhaust port 2715, can prevent fluid from entering exhaust port 2715.
Refer to Fig. 2 and Fig. 4, preferably, compressor crank shaft 27 also comprises the guide plate 273 be fixed in the exhaust port 2715 of crankshaft body 271.In the working procedure of compressor, guide plate 273 rotates with crankshaft body 271, and the circulation of guide plate 273 pairs of gases is accelerated, and reduce further the resistance of gas.
Preferably, guide plate 273 is helical.That is, one end of guide plate 273 is relative to the other end screw twisted, and whole guide plate 273 is not in same plane.Be appreciated that guide plate 273 can also be other shapes, as long as it can play to gas the effect accelerating circulation, such as, guide plate 273 can be set to the shape of fan blade.
Refer to Fig. 5, the utility model also provides a kind of compressor, and it comprises above-mentioned compressor bent axle 27.
Preferably, compressor also comprises shell 21, motor 23 and pump assembly 25, motor 23, pump assembly 25 and compressor crank shaft 27 are arranged in shell 21, and motor 23 and pump assembly 25 are sheathed on compressor crank shaft 27 respectively, middle chamber 28 is formed between motor 23 and pump assembly 25, motor 23 is formed with upper cavity 29 away from one end of pump assembly 25, and the exhaust port 2715 of bent axle 27 is communicated with middle chamber 28 and upper cavity 29.
Preferably, motor 23 comprises rotor 231 and stator 233, and rotor 231 is sheathed on outside compressor crank shaft 27, and stator 233 is sheathed on outside rotor 231, is provided with the first gap c, is provided with the second gap d between stator 233 and rotor 231 between shell 21 and stator 233.
Preferably, pump assembly 25 comprises upper flange 251, lower flange 253 and piston assembly 255, piston assembly 255 coordinates with the eccentric part 2714 of crankshaft body 271, and upper flange 251 and lower flange 253 lay respectively at piston assembly 255 both sides, and upper flange 251 is positioned at the side near motor 23.Middle chamber 28 comprises and is opened in the depression 281 of rotor 231 near one end of pump assembly 25, one end of the position of exhaust port 2715 between eccentric part 2714 and the second end 2713 extend to should cave in 281 position.
When above-mentioned compressor works, gas enters middle chamber 28 from pump assembly 25, then as shown by the arrows in Figure 5, through exhaust port 2715, first gap c and second gap d of compressor crank shaft 27, enters upper cavity 29, finally discharges compressor.This compressor takes full advantage of the inner space of compressor crank shaft 27, increases the circulation area of gas, reduces the resistance of gas, and does not need to make any change to the rotor of compressor and stator, can not affect the efficiency of motor; Meanwhile, in compressor operation, crankshaft body 271 rotates with the rotor 231 of motor 23, and guide plate 273 rotates with crankshaft body 271, and the circulation of rotation to gas of guide plate 273 is accelerated, and reduce further the resistance of gas.
The above embodiment only have expressed several mode of execution of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (10)
1. a compressor crank shaft (27), comprise crankshaft body (271), described crankshaft body (271) comprises first end (2711) and the second end (2713), described crankshaft body (271) is provided with the eccentric part (2714) be positioned between described first end (2711) and described second end (2713), it is characterized in that, described crankshaft body (271) offers the exhaust port (2715) extending to described second end (2713) from the position between described eccentric part (2714) and described second end (2713).
2. compressor crank shaft according to claim 1, it is characterized in that, described exhaust port (2715) is opened in the inside of described crankshaft body (271), one end of described exhaust port (2715) is opened in described second end (2713) of described crankshaft body (271), and the other end is opened in the sidewall at described crankshaft body (271) middle part.
3. compressor crank shaft according to claim 2, is characterized in that, the other end of described exhaust port (2715) has multiple aperture on the sidewall of described crankshaft body (271).
4. compressor crank shaft according to claim 1, it is characterized in that, described crankshaft body (271) also offers oil duct (2717), described oil duct (2717) extends to the position between described eccentric part (2714) and described second end (2713) from the described first end (2711) of described crankshaft body (271).
5. compressor crank shaft according to claim 1, it is characterized in that, described compressor crank shaft (27) also comprises the guide plate (273) be fixed in the described exhaust port (2715) of described crankshaft body (271).
6. compressor crank shaft according to claim 5, is characterized in that, described guide plate (273) is helical.
7. a compressor, is characterized in that, comprises the compressor crank shaft (27) as described in claim 1-6 any one.
8. compressor according to claim 7, it is characterized in that, described compressor also comprises shell (21), motor (23) and pump assembly (25), described motor (23), described pump assembly (25) and described compressor crank shaft (27) are arranged in described shell (21), and described motor (23) and described pump assembly (25) are sheathed on described compressor crank shaft (27) respectively, middle chamber (28) is formed between described motor (23) and described pump assembly (25), described motor (23) is formed with upper cavity (29) away from one end of described pump assembly (25), the described exhaust port (2715) of described compressor crank shaft (27) is communicated with described middle chamber (28) and described upper cavity (29).
9. compressor according to claim 8, it is characterized in that, described motor (23) comprises rotor (231) and stator (233), described rotor (231) is sheathed on described compressor crank shaft (27) outward, described stator (233) is sheathed on described rotor (231) outward, be provided with the first gap (c) between described shell (21) and described stator (233), between described stator (233) and described rotor (231), be provided with the second gap (d).
10. compressor according to claim 8, it is characterized in that, described pump assembly (25) comprises upper flange (251), lower flange (253) and piston assembly (255), described piston assembly (255) coordinates with the described eccentric part (2714) of described crankshaft body (271), described upper flange (251) and described lower flange (253) lay respectively at described piston assembly (255) both sides, and described upper flange (251) is positioned at the side near described motor (23); Described middle chamber (28) comprises the depression (281) of the one end being opened in the close described pump assembly (25) of rotor (231), and the one end of the position that described exhaust port (2715) is positioned between described eccentric part (2714) with described second end (2713) extends to the position of corresponding described depression (281).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520930746.2U CN205207186U (en) | 2015-11-20 | 2015-11-20 | Compressor crankshaft and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520930746.2U CN205207186U (en) | 2015-11-20 | 2015-11-20 | Compressor crankshaft and compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205207186U true CN205207186U (en) | 2016-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520930746.2U Active CN205207186U (en) | 2015-11-20 | 2015-11-20 | Compressor crankshaft and compressor |
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| CN (1) | CN205207186U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110425163A (en) * | 2019-07-31 | 2019-11-08 | 联想(北京)有限公司 | A kind of shaft and electronic equipment |
-
2015
- 2015-11-20 CN CN201520930746.2U patent/CN205207186U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110425163A (en) * | 2019-07-31 | 2019-11-08 | 联想(北京)有限公司 | A kind of shaft and electronic equipment |
| CN110425163B (en) * | 2019-07-31 | 2021-01-15 | 联想(北京)有限公司 | Rotating shaft and electronic equipment |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |