CN104832402A - Crankshaft and compressor with same - Google Patents
Crankshaft and compressor with same Download PDFInfo
- Publication number
- CN104832402A CN104832402A CN201510220790.9A CN201510220790A CN104832402A CN 104832402 A CN104832402 A CN 104832402A CN 201510220790 A CN201510220790 A CN 201510220790A CN 104832402 A CN104832402 A CN 104832402A
- Authority
- CN
- China
- Prior art keywords
- eccentricity
- adjusting device
- bent axle
- crankshaft
- crankshaft body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
The invention discloses a crankshaft and a compressor with the same. The crankshaft comprises a crankshaft body and an eccentric part, wherein the eccentric part is arranged on the crankshaft body; more than two circumferentially distributed mounting holes are formed in the crankshaft body; the eccentric part comprises more than two eccentricity adjusting devices; a connection part is arranged on each eccentricity adjusting device, the eccentricity adjusting devices are connected with the crankshaft body after the connection parts are inserted into the mounting holes, and the eccentricity adjusting devices are suitable for moving in a radial direction of the crankshaft body. When the crankshaft rotates, the vector sum of a rotation inertia force of a roller sleeving the exterior of the eccentric part and a rotation inertia force of each eccentricity adjusting device is equal to zero. Therefore, the problems that the existing compressor crankshaft assembly technique is complex and the universality of the compressor crankshaft is reduced are effectively solved.
Description
Technical field
The present invention relates to compressor field, particularly relate to a kind of bent axle and there is its compressor.
Background technique
At present, owing to there is eccentric circle in compressor crank shaft, the barycenter of crankshaft eccentric part and roller does not overlap with main shaft rotating center, thus can produce rotating inertia force in compressor operation process.Usually, rotatory inertia equilibrium of forces by setting up motor major-minor equilibrium block, by the incompatible realization that matches of major-minor equilibrium block and crankshaft eccentric part.But major-minor equilibrium block coordinates the complete equilibrium that can not realize rotating inertia force with crankshaft eccentric part, and the disequilibrium of rotating inertia force then can increase compressor winding degree, reduce cold and increase power consumption, finally making the hydraulic performance decline of compressor.Meanwhile, by setting up major-minor equilibrium block, also add the assembly technology of compressor crank shaft, the kind of compressor crank shaft being increased according to the different size of major-minor equilibrium block, thus reduces the versatility of compressor crank shaft.
Summary of the invention
Based on this, being necessary to cause compressor performance to decline for existing compressor crank shaft by setting up major-minor equilibrium block, the problem that the loaded down with trivial details and compressor crank shaft versatility of compressor crank shaft assembly technology reduces, a kind of bent axle being provided and there is its compressor.
For realizing a kind of bent axle that the object of the invention provides, comprising crankshaft body and being arranged on the eccentric part on described crankshaft body;
Described crankshaft body is provided with the plural mounting hole circumferentially distributed;
Described eccentric part comprises plural adjusting device of eccentricity;
Described adjusting device of eccentricity is provided with joint, and inserts described mounting hole by described joint and be connected with described crankshaft body, and described adjusting device of eccentricity is applicable to moving along the radial direction of described crankshaft body;
When described crank rotation, the vector being set in the rotating inertia force of the roller of described eccentric part outside and the rotating inertia force of each described adjusting device of eccentricity equals zero.
Wherein in an embodiment, described adjusting device of eccentricity comprises the first pin block, and the main body of described first pin block is described joint, and is provided with outside thread;
Described mounting hole inwall is provided with the internal thread matched with described outside thread.
Wherein in an embodiment, described adjusting device of eccentricity comprises the second pin block and fixed bolt;
The main body of described second pin block is described joint, and offers multiple positioning hole;
Described crankshaft body arranges the upper-end surface of the sidewall at described position of mounting hole place or lower end surface offers the fixed hole being communicated with described mounting hole;
Described fixed bolt, through after described fixed hole, inserts in the arbitrary described positioning hole of described second pin block.
Wherein in an embodiment, multiple described positioning hole is arranged in order in the main body of described second pin block.
Wherein in an embodiment, described positioning hole is circular, and the distance between the center of circle of every adjacent two positioning holes is less than or equal to the radius sum of adjacent two described positioning holes.
Wherein in an embodiment, described adjusting device of eccentricity is also provided with the suspending part be fixedly connected with described joint;
Described suspending part is arcuate structure, and described suspending part matches near the curved surface of described roller and the inner side surface of described roller.
Wherein in an embodiment, described joint and described suspending part one-body molded.
Wherein in an embodiment, when the number of described adjusting device of eccentricity is two, two described adjusting device of eccentricity are symmetrical arranged relative to the central axis of described crankshaft body;
When the number of described adjusting device of eccentricity is more than or equal to three, the angle often between adjacent two described adjusting device of eccentricity is equal.
Wherein in an embodiment, the material of described adjusting device of eccentricity is rigid.
Accordingly, present invention also offers a kind of compressor, it comprises as above arbitrary described bent axle.
The beneficial effect of above-mentioned bent axle:
It by arranging the plural mounting hole circumferentially distributed on crankshaft body, and be connected by the joint insertion mounting hole of plural adjusting device of eccentricity the eccentric part replacing existing bent axle with crankshaft body, because the joint of adjusting device of eccentricity of the present invention can move along the radial direction of crankshaft body, therefore the joint by controlling adjusting device of eccentricity moves along the radial direction of crankshaft body, reaches the freely regulated object of offset of bent axle.Meanwhile, time also by arranging crank rotation, the vector being set in the rotating inertia force of the roller of eccentric part outside and the rotating inertia force of each adjusting device of eccentricity equals zero, and achieves the complete equilibrium of the rotating inertia force of bent axle.According to the common practise of mechanics, F
rotating inertia force=m ω
2r.Wherein, m is the quality of roller or each adjusting device of eccentricity, and ω is roller or each adjusting device of eccentricity angular velocity when rotating, and r is the barycenter of roller or the perpendicular distance of the barycenter of each adjusting device of eccentricity and the central axis of crankshaft body.When rotation one timing of bent axle, ω is fixed value.Therefore, only need by the complete equilibrium regulating the quality of each adjusting device of eccentricity and radial feeds (i.e. the perpendicular distance of the barycenter of each adjusting device of eccentricity and the central axis of crankshaft body) that bent axle can be realized.And the adjustment of the radial feeds of each adjusting device of eccentricity realizes along moving radially of crankshaft body by the joint controlling each adjusting device of eccentricity.Therefore, bent axle of the present invention is realizing the controllability of offset, while improving the generalization level of bent axle, also achieves rotating inertia force complete equilibrium, improves compressor performance.And do not need the major-minor equilibrium block arranged again on existing bent axle, thus decrease the assembly technology of bent axle.Finally efficiently solving existing compressor crank shaft causes compressor performance to decline by setting up major-minor equilibrium block, the loaded down with trivial details problem reduced with compressor crank shaft versatility of compressor crank shaft assembly technology.
Accompanying drawing explanation
Fig. 1 is the plan view of the assembly structure of bent axle one specific embodiment of the present invention;
Fig. 2 is the front view of the assembly structure of bent axle one specific embodiment of the present invention;
Fig. 3 is the overall schematic of the assembly structure of bent axle one specific embodiment of the present invention;
Fig. 4 is the design principle figure of bent axle one specific embodiment of the present invention;
Fig. 5 is the plan view of the assembly structure of another specific embodiment of bent axle of the present invention when not installing roller;
Fig. 6 is the front view of the assembly structure of another specific embodiment of bent axle of the present invention when not installing roller;
Fig. 7 is the plan view of the assembly structure of bent axle of the present invention another specific embodiment when not installing roller;
Fig. 8 is the structural representation of adjusting device of eccentricity in the another specific embodiment of bent axle of the present invention;
Fig. 9 is the plan view of the assembly structure of bent axle of the present invention when a specific embodiment does not install roller again;
Figure 10 is the overall schematic of the assembly structure of bent axle of the present invention when a specific embodiment does not install roller again.
Embodiment
For making technical solution of the present invention clearly, below in conjunction with drawings and the specific embodiments, the present invention is described in further details.
See Fig. 1 to Fig. 3, comprise two adjusting device of eccentricity 120 for bent axle of the present invention, bent axle of the present invention is described.Wherein, the bent axle eccentric part that comprises crankshaft body 110 and be arranged on crankshaft body 110.This eccentric part comprises two adjusting device of eccentricity 120.Meanwhile, crankshaft body 110 is provided with two mounting holes circumferentially distributed 111.It should be noted that, mounting hole 111 and adjusting device of eccentricity 120 one_to_one corresponding herein.
Wherein, adjusting device of eccentricity 120 is provided with joint 121, and inserts in mounting hole 111 by joint 121, is connected with crankshaft body 110.Further, adjusting device of eccentricity 120 radial direction be applicable to along crankshaft body 110 moves.It inserts mounting hole 111 by the joint 121 arranging adjusting device of eccentricity 120, thus the joint 121 of adjusting device of eccentricity 120 can be moved freely in mounting hole 111, achieve adjusting device of eccentricity 120 to move along the radial direction of crankshaft body 110, reach the object of the radial feeds of eccentric adjustment quantity regulating device 120, finally achieve the free adjustment of the offset of bent axle, decrease the kind of compressor crank shaft, improve the generalization level of bent axle.
When the crank shaft rotates, the vector being set in the rotating inertia force of the roller 130 of eccentric part outside and the rotating inertia force of each adjusting device of eccentricity 120 equals zero.That is, when the crank shaft rotates, the rotating inertia force that the component of the rotating inertia force that is subject to of roller 130 in x-axis direction and each adjusting device of eccentricity 120 are subject to equals zero in the component sum in x-axis direction.Further, the rotating inertia force that the component of the rotating inertia force that is subject to of roller 130 in y-axis direction and each adjusting device of eccentricity 120 are subject to equals zero in the component sum in y-axis direction.Wherein, it should be noted that, the central axis of x-axis and crankshaft body 110 is perpendicular, and y-axis parallels with the central axis of crankshaft body 110.
Namely when the crank shaft rotates, by arranging rotating inertia force that roller 130 is subject to and the rotating inertia force that each adjusting device of eccentricity 120 is subject to meets rotatory inertia equilibrium equation: Σ F=0, see Fig. 4, comprise two adjusting device of eccentricity 120 (being respectively the first adjusting device of eccentricity 120a and the second adjusting device of eccentricity 120b) with the eccentric part of bent axle, and the first adjusting device of eccentricity 120a and the second adjusting device of eccentricity 120b relative to the central axis of crankshaft body 110 to being called that example is described.
See Fig. 4, rotate along clockwise direction for bent axle, according to rotating inertia force equation, known: F
second adjusting device of eccentricity=F
roller+ F
first adjusting device of eccentricity.Wherein, F
second adjusting device of eccentricityduring for crank rotation, the rotating inertia force suffered by the second adjusting device of eccentricity 120b; F
rollerfor the rotating inertia force suffered by roller (not shown); F
first adjusting device of eccentricityfor the rotating inertia force suffered by the first adjusting device of eccentricity 120a.
Can also learn according to mechanics common practise, F
rotating inertia force=m ω
2r.Therefore, rotating inertia force equation F
second adjusting device of eccentricity=F
roller+ F
first adjusting device of eccentricitycan be exchanged into m
second adjusting device of eccentricityr
2=m
rollere+m
first adjusting device of eccentricityr
1.
It should be noted that, m
second adjusting device of eccentricitybe the quality of the second adjusting device of eccentricity 120b, r
2be the perpendicular distance between the barycenter of the second adjusting device of eccentricity 120b and the central axis of crankshaft body 110, also can say to be distance between the barycenter of the second adjusting device of eccentricity 120b and the center of crankshaft body 110.In like manner, m
rollerfor the quality of roller 130, e is the distance between the barycenter of roller 130 and the center of crankshaft body 110.M
first adjusting device of eccentricitybe the quality of the first adjusting device of eccentricity 120a, r
1it is the distance between the barycenter of the first adjusting device of eccentricity 120a and the center of crankshaft body 110.
Therefore, according to m
second adjusting device of eccentricityr
2=m
rollere+m
first adjusting device of eccentricityr
1can clearly learn, by regulating the radial feeds at the quality of the first adjusting device of eccentricity 120a and the second adjusting device of eccentricity 120b and the center relative to crankshaft body 110, the complete equilibrium of the rotating inertia force of bent axle can be realized, eventually reduce compressor winding degree, improve compressor performance.And the quality of adjusting device of eccentricity 120 is selected by the material and shape etc. arranging adjusting device of eccentricity 120, adjusting device of eccentricity 120 realizes along the joint of radial feeds then by directly controlling adjusting device of eccentricity 120 of crankshaft body 110 along moving radially of crankshaft body 110.
Wherein, as a kind of embodiment of the adjusting device of eccentricity 120 arranged in bent axle of the present invention, see Fig. 5 and Fig. 6, it realizes by pin block.Concrete, adjusting device of eccentricity 120 comprises the first pin block.Wherein, the main body of the first pin block is as the joint 121 of adjusting device of eccentricity 120, and the main body of the first pin block is provided with outside thread (not shown).Accordingly, mounting hole 111 inwall is provided with the internal thread matched with outside thread.Thus make the connection between the first pin block with crankshaft body 110 for being threaded.When needing the offset regulating bent axle, only need the first pin block precession or mounting hole 111 to required separation distance of back-outing.Simple to operate, and only need can be realized by one piece of pin block, structure is simple, with low cost.
In addition, as the another kind of embodiment of the adjusting device of eccentricity 120 arranged in bent axle of the present invention, it realizes by pin block equally, and difference is the Placement of pin block and crankshaft body 110.
Specifically see Fig. 7 and Fig. 8, the another kind of mode of execution of the adjusting device of eccentricity 120 in bent axle of the present invention is: by arranging the second pin block and fixed bolt (not shown), wherein, the main body of the second pin block is as the joint 121 of adjusting device of eccentricity 120, the main body of this second pin block offers multiple positioning hole 1210, this positioning hole 1210 is for controlling the radial feeds of adjusting device of eccentricity 120.
Simultaneously, the upper-end surface or the lower end surface that arrange the sidewall of mounting hole 111 position at crankshaft body 110 also offer the fixed hole 112 being communicated with this mounting hole 111, after making fixed bolt pass fixed hole 112, to enter in mounting hole 111 and to insert arbitrary positioning hole 1210 of the second pin block, thus make the linkage structure of the second pin block and crankshaft body 110 be socket type structural, namely adjusting device of eccentricity 120 is socket type structural with the linkage structure of crankshaft body 110.It realizes the control of the radial feeds of the second pin block by the positioning hole 1210 be arranged in the main body of the second pin block.Structure is simple, is easy to realize, and after making the radial feeds of adjusting device of eccentricity 120 fixing, and the connection of itself and crankshaft body 110 is more firm, thus improves reliability and the working life of bent axle.
Herein, it should be noted that, fixed bolt and positioning hole 1210 match, namely fixed bolt inserts after in positioning hole 1210, gap between itself and positioning hole 1210 is close or equal zero, thus make fixed bolt to be firmly fixed on crankshaft body 110 by the main body of the second pin block, further ensure that reliability and the steadiness of bent axle.
In addition, see Fig. 8, the multiple positioning holes 1210 be arranged in the main body of the second pin block are arranged in order, the preferred arrangement in " one " font.Thus after passing fixed hole 112 by fixed bolt, can be inserted into smoothly in positioning hole 1210, realize the fixing of the second pin block, save the operating time, improve installation efficiency.
Further, the plurality of positioning hole 1210 can be the hole of the various shape such as circular port, square opening.Preferably, see Fig. 8, positioning hole 1210 can be set to circle, and the distance between the center of circle of every adjacent two positioning holes 1210 is less than or equal to the radius sum of adjacent two positioning holes 1210.Thus make the second pin block more accurate along the adjustment of the amount of feed of the radial direction of crankshaft body 110, improve accuracy and the validity of the adjustment of crankshaft eccentric amount.
In addition, multiple positioning hole 1210 also can be square opening, and often can arrange dividing plate between adjacent two square openings, is kept apart by adjacent positioning hole 1210, so that fixed bolt can insert in arbitrary positioning hole 1210 accurately by the dividing plate arranged.
What deserves to be explained is, no matter adjusting device of eccentricity 120 adopts which kind of mode above-mentioned to implement, its quantity all can be more than two or three.
See Fig. 5 and Fig. 7, when the number of adjusting device of eccentricity 120 is two, preferably, two adjusting device of eccentricity 120 are symmetrical arranged relative to the central axis of crankshaft body 110.
See Fig. 9 and Figure 10, when the number of adjusting device of eccentricity 120 is more than or equal to three, angle often between adjacent two adjusting device of eccentricity 120 is equal, i.e. on the sidewall of the homodisperse eccentric circle position being arranged on crankshaft body 110 of the adjusting device of eccentricity 120 of more than three.
Further, see Fig. 1, Fig. 5, Fig. 8 and Fig. 9, adjusting device of eccentricity 120 is also provided with the suspending part 122 be fixedly connected with joint 121, and this suspending part 122 is applicable to the inner side surface of the roller 130 abutting bent axle.Due in compressor crank shaft, roller 130 is set on the eccentric part of crankshaft body 110 usually, matches with eccentric part.Therefore, the inner side surface of roller 130 is abutted by the suspending part 122 arranging adjusting device of eccentricity 120, ensure that roller 130 is set on the eccentric part of crankshaft body 110, the stability coordinated with the eccentric part of bent axle, thus the reliability and stability that ensure that bent axle.
Preferably, the suspending part 122 of adjusting device of eccentricity 120 can be set to curved surface, and suspending part 122 matches with the inner side surface of roller 130 near the one side of roller 130, thus ensure to fit between the suspending part 122 of adjusting device of eccentricity 120 and the inner side surface of roller 130, further increase stability sheathed between the eccentric part of roller 130 and crankshaft body 110.
Further, the joint 121 of adjusting device of eccentricity 120 is one-body molded with suspending part 122, and forms " T " font structure.When needing the radial feeds of eccentric adjustment quantity regulating device 120, operator only need hold the suspending part 122 of adjusting device of eccentricity 120, and operation suspending part 122 moves and then drives the movement of joint 121.Facilitate the adjustment of operator to adjusting device of eccentricity 120.Further, preparation process is simple, is easy to realize.
In addition, the joint 121 of adjusting device of eccentricity 120 also can be with suspending part 122 and removably connects.For ensureing the rotating inertia force complete equilibrium of bent axle, need the quality adjusting adjusting device of eccentricity 120.Therefore, when the joint 121 of adjusting device of eccentricity 120 removably connects with suspending part 122, only need, by changing suspending part 122, the quality of adjusting device of eccentricity 120 be made to reach required quality.Simple to operate, be easy to realize, be conducive to the adjustment of operator to adjusting device of eccentricity 120 equally.
It is pointed out that the material of each adjusting device of eccentricity 120 can be different, as long as meet rotating inertia force equation.This also just improves the making flexibility of adjusting device of eccentricity 120.Preferably, the material of adjusting device of eccentricity 120 is rigid.Rigid hardness is higher, not yielding, thus extends the working life of bent axle, further ensures the reliability and stability of bent axle.
Accordingly, present invention also offers a kind of compressor, wherein the bent axle of compressor is any one bent axle above-mentioned.By adopting any one bent axle above-mentioned as the bent axle of compressor, decreasing compressor winding degree, reducing power consumption, thus improve compressor performance.
The above embodiment only have expressed several mode of execution of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a bent axle, is characterized in that, the eccentric part comprising crankshaft body (110) and be arranged on described crankshaft body (110);
Described crankshaft body (110) is provided with the plural mounting hole (111) circumferentially distributed;
Described eccentric part comprises plural adjusting device of eccentricity (120);
Described adjusting device of eccentricity (120) is provided with joint (121), and inserted described mounting hole (111) be connected with described crankshaft body (110) by described joint (121), and the applicable radial direction along described crankshaft body (110) of described adjusting device of eccentricity (120) moves;
When described crank rotation, the vector being set in the rotating inertia force of the roller (130) of described eccentric part outside and the rotating inertia force of each described adjusting device of eccentricity (120) equals zero.
2. bent axle according to claim 1, is characterized in that, described adjusting device of eccentricity (120) comprises the first pin block, and the main body of described first pin block is described joint (121), and is provided with outside thread;
Described mounting hole (111) inwall is provided with the internal thread matched with described outside thread.
3. bent axle according to claim 1, is characterized in that, described adjusting device of eccentricity (120) comprises the second pin block and fixed bolt;
The main body of described second pin block is described joint (121), and offers multiple positioning hole (1210);
Described crankshaft body (110) arranges the upper-end surface of the sidewall of described mounting hole (111) position or lower end surface and offers the fixed hole (112) being communicated with described mounting hole (111);
Described fixed bolt, through after described fixed hole (112), inserts in the arbitrary described positioning hole (1210) of described second pin block.
4. bent axle according to claim 3, is characterized in that, multiple described positioning hole (1210) is arranged in order in the main body of described second pin block.
5. bent axle according to claim 4, it is characterized in that, described positioning hole (1210) is circular, and the distance between the center of circle of every adjacent two positioning holes (1210) is less than or equal to the radius sum of adjacent two described positioning holes (1210).
6. the bent axle according to any one of claim 1 to 5, is characterized in that, described adjusting device of eccentricity (120) is also provided with the suspending part (122) be fixedly connected with described joint (121);
Described suspending part (122) is arcuate structure, and described suspending part (122) matches near the curved surface of described roller (130) and the inner side surface of described roller (130).
7. bent axle according to claim 6, is characterized in that, described joint (121) is one-body molded with described suspending part (122).
8. bent axle according to claim 1, it is characterized in that, when the number of described adjusting device of eccentricity (120) is two, two described adjusting device of eccentricity (120) are symmetrical arranged relative to the central axis of described crankshaft body (110);
When the number of described adjusting device of eccentricity (120) is more than or equal to three, the angle often between adjacent two described adjusting device of eccentricity (120) is equal.
9. bent axle according to claim 1, is characterized in that, the material of described adjusting device of eccentricity (120) is rigid.
10. a compressor, is characterized in that, comprises the bent axle described in any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510220790.9A CN104832402B (en) | 2015-04-30 | 2015-04-30 | Bent axle and the compressor with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510220790.9A CN104832402B (en) | 2015-04-30 | 2015-04-30 | Bent axle and the compressor with it |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104832402A true CN104832402A (en) | 2015-08-12 |
| CN104832402B CN104832402B (en) | 2017-10-03 |
Family
ID=53810520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510220790.9A Active CN104832402B (en) | 2015-04-30 | 2015-04-30 | Bent axle and the compressor with it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104832402B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6132177A (en) * | 1997-08-14 | 2000-10-17 | Bristol Compressors, Inc. | Two stage reciprocating compressors and associated HVAC systems and methods |
| CN101696690A (en) * | 2009-10-22 | 2010-04-21 | 珠海格力电器股份有限公司 | Eccentric crankshaft for compressor and rotary compressor using eccentric crankshaft |
| CN102797680A (en) * | 2012-07-03 | 2012-11-28 | 珠海格力电器股份有限公司 | Eccentricity variable crankshaft and rotary compressor using same |
| CN104421131A (en) * | 2013-08-22 | 2015-03-18 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor, air conditioner and heat-pump water heater system |
| CN204692032U (en) * | 2015-04-30 | 2015-10-07 | 珠海凌达压缩机有限公司 | Bent axle and there is its compressor |
-
2015
- 2015-04-30 CN CN201510220790.9A patent/CN104832402B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6132177A (en) * | 1997-08-14 | 2000-10-17 | Bristol Compressors, Inc. | Two stage reciprocating compressors and associated HVAC systems and methods |
| CN101696690A (en) * | 2009-10-22 | 2010-04-21 | 珠海格力电器股份有限公司 | Eccentric crankshaft for compressor and rotary compressor using eccentric crankshaft |
| CN102797680A (en) * | 2012-07-03 | 2012-11-28 | 珠海格力电器股份有限公司 | Eccentricity variable crankshaft and rotary compressor using same |
| CN104421131A (en) * | 2013-08-22 | 2015-03-18 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor, air conditioner and heat-pump water heater system |
| CN204692032U (en) * | 2015-04-30 | 2015-10-07 | 珠海凌达压缩机有限公司 | Bent axle and there is its compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104832402B (en) | 2017-10-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104603516B (en) | Cloud platform | |
| US20210372462A1 (en) | Variable torsion spring damping rotating shaft | |
| CN201523707U (en) | Position adjusting device for soldier helmet display | |
| CN103406759A (en) | Assembly tray for collinear production of various engines | |
| CN101689792A (en) | Rotor mounting device and rotor mounting method | |
| CN204692032U (en) | Bent axle and there is its compressor | |
| CN204647786U (en) | The Cloud Terrace and there is the unmanned vehicle of this The Cloud Terrace | |
| CN108119380A (en) | Head-shaking device and tower fan | |
| CN103606784B (en) | A kind of float connector | |
| CN104832402A (en) | Crankshaft and compressor with same | |
| CN103438147A (en) | Engine balance shaft | |
| CN106622791B (en) | A kind of spray coating mechanical arm system | |
| CN202080323U (en) | Steering gear box assembly device | |
| CN208529153U (en) | Robot head rotational structure | |
| CN104369884B (en) | rotary drive mechanism | |
| CN205504406U (en) | Cloud platform fixed establishment and unmanned aerial vehicle | |
| CN209720761U (en) | Rotate device for regulating direction | |
| CN203980605U (en) | The air-conditioner with stepper motor | |
| CN208314097U (en) | A kind of data line cripping test device | |
| CN208847192U (en) | Calibrate carrier | |
| CN207771703U (en) | Free wheels slewing equipment | |
| CN204961713U (en) | Gear formula translation mechanism | |
| CN109797679A (en) | Pat machine core connecting shaft limiting device | |
| CN205766116U (en) | Crossbeam frock installed by mechanical hand | |
| CN206988143U (en) | A kind of rotary buckle radiator fan |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170925 Address after: 519000 Guangdong city of Zhuhai Province Qianshan Co-patentee after: Zhuhai Landa Compressor Co., Ltd. Patentee after: GREE ELECTRIC APPLIANCES Inc. OF ZHUHAI Address before: 519110 Longshan Road, Doumen Industrial Zone, Guangdong, Zhuhai, No. 1 Co-patentee before: GREE ELECTRIC APPLIANCES Inc. OF ZHUHAI Patentee before: Zhuhai Landa Compressor Co., Ltd. |
|
| TR01 | Transfer of patent right |