CN215597460U - Fan assembly and air conditioner indoor unit - Google Patents
Fan assembly and air conditioner indoor unit Download PDFInfo
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- CN215597460U CN215597460U CN202120636318.4U CN202120636318U CN215597460U CN 215597460 U CN215597460 U CN 215597460U CN 202120636318 U CN202120636318 U CN 202120636318U CN 215597460 U CN215597460 U CN 215597460U
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- output shaft
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- 230000008878 coupling Effects 0.000 claims 3
- 238000010168 coupling process Methods 0.000 claims 3
- 238000005859 coupling reaction Methods 0.000 claims 3
- 238000000034 method Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/06—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
- F24F1/0025—Cross-flow or tangential fans
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
Abstract
The utility model belongs to the technical field of air conditioners, and particularly relates to a fan assembly and an air conditioner indoor unit. The utility model aims to solve the problems of poor balance during rotation and low assembly efficiency of the cross-flow fan and the motor caused by uneven mass of the cross-flow fan in the circumferential direction in the conventional connection mode of the cross-flow fan and the motor. For this purpose, in the utility model, a plurality of first limiting parts are uniformly arranged on a connecting rotating shaft of the cross-flow fan along the circumferential direction of the connecting rotating shaft, a plurality of second limiting parts matched with the plurality of first limiting parts are uniformly arranged on an output shaft of the motor along the circumferential direction of the output shaft, and the connecting rotating shaft and the output shaft are in inserted connection and matching through the first limiting parts and the second limiting parts. So, can guarantee that the cross-flow fan has better dynamic balance effect in order to guarantee that the working process has in its circumferencial direction quality is even, very big simplification the connected mode of cross-flow fan and motor simultaneously for cross-flow fan and motor are dismantled and are installed more simply.
Description
Technical Field
The utility model belongs to the technical field of air conditioners, and particularly relates to a fan assembly and an air conditioner indoor unit.
Background
A cross flow fan and a motor are disposed inside an indoor unit of a wall-mounted air conditioner, and one end of a rotating shaft of the cross flow fan is generally connected to a bearing seat through a bearing, while the other end of the rotating shaft of the cross flow fan is connected to an output shaft of the motor.
At present, in order to realize the connection between the rotating shaft of the cross-flow fan and the output shaft of the motor, a flat surface is generally arranged at the connecting end of the output shaft of the motor, a shaft sleeve is formed at the connecting end of the rotating shaft of the fan, and after the connecting end of the output shaft of the motor extends into the shaft sleeve, a screw extends into the shaft sleeve from outside to inside in the radial direction of the shaft sleeve in a threaded connection mode and abuts against the flat surface of the output shaft.
However, the conventional connection method of the cross flow fan and the motor has the problems that the mass of the cross flow fan in the circumferential direction is not uniform, the balance is poor during rotation, and the assembly efficiency of the cross flow fan and the motor is low.
Accordingly, there is a need in the art for a new fan assembly and an air conditioner indoor unit that solves the above problems.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the prior art, namely to solve the problems that the circumferential direction quality of a cross-flow fan is uneven in the existing connection mode of the cross-flow fan and a motor, so that the balance during rotation is poor and the assembly efficiency of the cross-flow fan and the motor is low, the utility model provides a fan assembly and an air conditioner indoor unit.
First, the present invention provides a fan assembly including a cross-flow fan and a motor; a plurality of first limiting parts are uniformly arranged on a connecting rotating shaft of the cross-flow fan along the circumferential direction of the connecting rotating shaft, and a plurality of second limiting parts matched with the plurality of first limiting parts are uniformly arranged on an output shaft of the motor along the circumferential direction of the output shaft; the connecting rotating shaft and the output shaft are in inserting fit through the first limiting part and the second limiting part.
As a preferred technical solution of the fan assembly provided by the present invention, the connecting rotating shaft is further uniformly provided with a plurality of third limiting portions along an annular direction thereof, and the first limiting portion and the third limiting portions are respectively arranged at intervals along a length direction of the connecting rotating shaft; the output shaft is also provided with a plurality of fourth limiting parts matched with the third limiting parts along the annular direction of the output shaft.
As a preferable technical solution of the fan assembly provided by the present invention, each third limiting portion is disposed between the included angles of two adjacent first limiting portions; or the third limiting part and the first limiting part are correspondingly arranged along the length direction of the connecting rotating shaft.
As a preferable technical solution of the fan assembly provided by the present invention, the first position-limiting portion is a groove and the third position-limiting portion is a bump; or, the first limiting part is a bump and the third limiting part is a groove; or, the first limiting part and the third limiting part are both grooves; or, the first limiting part and the third limiting part are both bumps.
As a preferable technical solution of the fan assembly provided by the present invention, the connecting rotating shaft is inserted into the output shaft, the first limiting portion is a projection, and the second limiting portion is a groove; or the output shaft is inserted into the connecting rotating shaft, the first limiting part is a groove, and the second limiting part is a lug.
As a preferable technical solution of the fan assembly provided by the present invention, the width of the projection gradually decreases along the radial direction of the cross flow fan; or the width of the lug is gradually increased outwards along the radial direction of the cross flow fan; alternatively, the width of the projection may be kept constant radially outward of the cross flow fan.
As a preferable technical solution of the fan assembly provided by the present invention, the connection rotating shaft is a connection hole formed at one axial end of the cross flow fan, and the output shaft is inserted into the connection hole.
Then, the utility model also provides an air conditioner indoor unit, wherein the fan assembly in any technical scheme is arranged in the shell of the air conditioner indoor unit.
As a preferable technical solution of the above air conditioner indoor unit provided by the present invention, a bearing is connected to a supporting rotating shaft of the cross flow fan opposite to the other end of the connecting rotating shaft; and a bearing seat for fixing the bearing is arranged on the framework in the housing.
As a preferable technical solution of the indoor unit of an air conditioner provided by the present invention, a motor mounting seat for fixing the motor is provided on the framework in the housing.
In the fan assembly and the air conditioner indoor unit provided by the utility model, the connecting rotating shaft of the cross-flow fan is uniformly provided with a plurality of first limiting parts along the circumferential direction, the output shaft of the motor is uniformly provided with a plurality of second limiting parts matched with the plurality of first limiting parts along the circumferential direction, and the connecting rotating shaft and the output shaft are in splicing fit through the first limiting parts and the second limiting parts. So, can guarantee that the cross-flow fan has better dynamic balance effect in order to guarantee that the working process has in its circumferencial direction quality is even, very big simplification the connected mode of cross-flow fan and motor simultaneously for cross-flow fan and motor are dismantled and are installed more simply.
In addition, in the fan assembly and the air conditioner indoor unit provided by the utility model, the connecting rotating shaft of the cross-flow fan is also uniformly provided with a plurality of third limiting parts along the circumferential direction, and the first limiting parts and the third limiting parts are respectively arranged at intervals along the length direction of the connecting rotating shaft; the output shaft is also provided with a plurality of fourth limiting parts matched with the plurality of third limiting parts along the annular direction of the output shaft. Therefore, the connection rotating shaft of the cross-flow fan is connected with the output shaft of the motor in an inserting mode through the plurality of first limiting parts and the plurality of third limiting parts which are arranged at the positions, with different lengths, of the connection rotating shaft in the annular direction, and the reliability of connection between the cross-flow fan and the motor is further improved.
Drawings
The fan assembly and the air conditioner indoor unit of the present invention will be described with reference to the accompanying drawings. In the drawings:
FIG. 1 is a first structural diagram of a fan assembly according to the present embodiment;
fig. 2 is a second structural schematic diagram of the fan assembly of the present embodiment.
List of reference numerals
1-a cross-flow fan; 11-connecting the rotating shaft; 111-a first stop; 12-supporting the rotating shaft;
2, a motor; 21-an output shaft; 211-second limit part.
Detailed Description
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
A cross flow fan and a motor are disposed inside an indoor unit of a wall-mounted air conditioner, and one end of a rotating shaft of the cross flow fan is generally connected to a bearing seat through a bearing, while the other end of the rotating shaft of the cross flow fan is connected to an output shaft of the motor.
At present, in order to realize the connection between the rotating shaft of the cross-flow fan and the output shaft of the motor, a flat surface is generally arranged at the connecting end of the output shaft of the motor, a shaft sleeve is formed at the connecting end of the rotating shaft of the fan, and after the connecting end of the output shaft of the motor extends into the shaft sleeve, a screw extends into the shaft sleeve from outside to inside in the radial direction of the shaft sleeve in a threaded connection mode and abuts against the flat surface of the output shaft.
However, the conventional connection method of the cross flow fan and the motor has the problems that the mass of the cross flow fan in the circumferential direction is not uniform, the balance is poor during rotation, and the assembly efficiency of the cross flow fan and the motor is low.
In order to solve the problems that the circumferential mass of the cross-flow fan is not uniform in the conventional connection mode of the cross-flow fan and the motor, so that the balance is poor during rotation, and the assembly efficiency of the cross-flow fan and the motor is low, the embodiment provides the fan assembly and the air conditioner indoor unit shown in fig. 1 and 2.
First, in a fan assembly provided in the present embodiment, as shown in fig. 1 and 2, the fan assembly includes a cross flow fan 1 and a motor 2; a plurality of first limiting parts 111 are uniformly arranged along the circumferential direction of a connecting rotating shaft 11 of the cross-flow fan 1, and a plurality of second limiting parts 211 matched with the plurality of first limiting parts 111 are uniformly arranged along the circumferential direction of an output shaft 21 of the motor 2; the connecting rotating shaft 11 and the output shaft 21 are matched in an inserting manner through the first limiting part 111 and the second limiting part 211.
Illustratively, in order to achieve the purpose of inserting and matching the connecting rotating shaft 11 of the cross flow fan 1 and the output shaft 21 of the motor 2 through the first limiting part 111 and the second limiting part 211. As shown in fig. 1, the first position-limiting portion 111 may be provided as a groove, and the second position-limiting portion 211 may be provided as a protrusion. At this time, the output shaft 21 of the motor 2 can be inserted into the connecting rotating shaft 11 of the cross flow fan 1, and the connecting rotating shaft 11 and the output shaft 21 are inserted and matched through the matching of the groove type first limiting part 111 and the convex type second limiting part 211.
In addition, in order to realize the purpose of inserting and matching the connecting rotating shaft 11 and the output shaft 21 through the first limiting part 111 and the second limiting part 211. As shown in fig. 2, the first position-limiting portion 111 may be a protrusion, and the corresponding second position-limiting portion 211 may be a groove. At this time, the connecting rotating shaft 11 of the crossflow fan 1 can be inserted into the output shaft 21, and the connecting rotating shaft 11 and the output shaft 21 are in plug fit by the cooperation of the first protruding block type limiting part 111 and the second recessed block type limiting part 211.
As a preferred embodiment of the fan assembly provided in this embodiment, the shape and size of the protruding block are not specifically limited, as long as the protruding block can achieve the purpose that the connection rotating shaft 11 and the output shaft 21 of this embodiment are in insertion fit through the first limiting portion 111 and the second limiting portion 211, and the quality of the cross flow fan 1 in the circumferential direction thereof can be ensured to be uniform, so as to ensure a good dynamic balance effect in the working process. For example, the width of the projection may be gradually reduced outward in the radial direction of the cross flow fan 1; alternatively, the width of the projection may also gradually increase outward in the radial direction of the cross flow fan 1; alternatively, the width of the projection may also be kept constant radially outward of the cross flow fan 1. Meanwhile, the requirements of the insertion fit of the connecting rotating shaft 11 of the cross-flow fan 1 and the output shaft 21 of the motor 2 can be met only by adapting the shape and the size of the groove to the convex block.
As a preferred embodiment of the above fan assembly provided in this embodiment, the connecting rotating shaft 11 of the cross flow fan 1 may be a shaft sleeve or a shaft rod, and the connecting rotating shaft 11 may also be a connecting hole formed at one axial end of the cross flow fan 1, and the output shaft 21 of the motor 2 may be inserted into the connecting hole to connect with the cross flow fan 1. It should be understood that the present embodiment has been explained for the connection rotation shaft 11 of the cross flow fan 1 in an enlarged way, but still belongs to the scope of the present embodiment for describing the connection rotation shaft 11 of the cross flow fan 1.
In summary, in the fan assembly provided in this embodiment, the connecting rotating shaft 11 of the cross flow fan 1 is uniformly provided with the plurality of first limiting portions 111 along the circumferential direction thereof, the output shaft 21 of the motor 2 is uniformly provided with the plurality of second limiting portions 211 matched with the plurality of first limiting portions 111 along the circumferential direction thereof, and the connecting rotating shaft 11 and the output shaft 21 are in insertion fit through the first limiting portions 111 and the second limiting portions 211. Therefore, the quality of the cross flow fan 1 in the circumferential direction of the cross flow fan is uniform, so that the cross flow fan 1 has a good dynamic balance effect in the working process, and meanwhile, the connection mode of the cross flow fan 1 and the motor 2 is greatly simplified, so that the cross flow fan 1 and the motor 2 are simpler to disassemble and assemble.
As a preferred embodiment of the fan assembly provided in this embodiment, the connecting rotating shaft 11 of the cross-flow fan 1 is further provided with a plurality of third limiting portions (not shown in the drawings) uniformly along the circumferential direction thereof, and the first limiting portion 111 and the third limiting portions are respectively disposed at intervals along the length direction of the connecting rotating shaft 11; the output shaft 21 of the motor 2 is also provided with a plurality of fourth limiting portions (not shown in the figure) which are matched with the plurality of third limiting portions uniformly along the circumferential direction.
Therefore, the connection rotating shaft 11 of the cross flow fan 1 and the output shaft 21 of the motor 2 are inserted and connected by respectively arranging the first limiting parts 111 and the third limiting parts along the circumferential direction at different length positions of the connection rotating shaft 11 of the cross flow fan 1, and the reliability of connection between the cross flow fan 1 and the motor 2 is further improved.
As a preferred embodiment of the fan assembly provided in this embodiment, each third limiting portion may be disposed between the included angles of two adjacent first limiting portions 111, so that the connection between the connection rotating shaft 11 of the crossflow fan 1 and the output shaft 21 of the motor 2 is more reliable.
In addition, the third position-limiting portion and the first position-limiting portion 111 may be disposed correspondingly along the length direction of the connecting shaft 11. The purpose of inserting and matching the connecting rotating shaft 11 of the cross flow fan 1 and the output shaft 21 of the motor 2 through the first limiting part 111 and the second limiting part 211 can also be achieved.
As a preferred embodiment of the fan assembly provided in this embodiment, the first limiting portion 111 and the second limiting portion 211 may have the same size and shape or different sizes and shapes. For example, the first position-limiting portion 111 is a groove and the third position-limiting portion is a bump; alternatively, the first position-limiting portion 111 is a bump and the third position-limiting portion is a groove; or, the first limiting part 111 and the third limiting part are both grooves; alternatively, the first position-limiting portion 111 and the third position-limiting portion are both bumps.
Then, the present embodiment further provides an air conditioner indoor unit, in which a housing (not shown) of the air conditioner indoor unit is provided with the fan assembly in any of the above embodiments.
It can be understood that, since the fan assembly is provided in the present embodiment, the connecting rotating shaft 11 of the cross flow fan 1 is uniformly provided with the plurality of first limiting portions 111 along the circumferential direction thereof, the output shaft 21 of the motor 2 is uniformly provided with the plurality of second limiting portions 211 matched with the plurality of first limiting portions 111 along the circumferential direction thereof, and the connecting rotating shaft 11 and the output shaft 21 are in inserting fit through the first limiting portions 111 and the second limiting portions 211. So, can guarantee that cross-flow fan 1 has better dynamic balance effect in order to guarantee the course of the work in its circumferencial direction quality is even, the very big connected mode of having simplified cross-flow fan 1 and motor 2 simultaneously for cross-flow fan 1 and motor 2 are dismantled and are installed more simply. Meanwhile, the air conditioner indoor unit provided by the embodiment can obtain better user experience.
As a preferred embodiment of the indoor unit of the air conditioner provided in this embodiment, as shown in fig. 2, a bearing (not shown) is connected to a supporting rotating shaft 12 of the cross flow fan 1 opposite to the other end connected to the rotating shaft 11. In order to fix the position of the cross flow fan 1 supporting the rotation shaft 12, a bearing housing (not shown) for fixing a bearing may be provided on a frame (not shown) in the casing so that the bearing may be mounted in the bearing housing.
As a preferred embodiment of the above-mentioned air conditioner indoor unit provided by this embodiment, in order to realize the fixed installation of the motor 2, a motor 2 installation seat (not shown in the figure) for fixing the motor 2 may be provided on the framework inside the housing.
Of course, the above alternative embodiments, and the alternative embodiments and the preferred embodiments can also be used in a cross-matching manner, so that a new embodiment is combined to be suitable for a more specific application scenario.
Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the utility model and form different embodiments. For example, in the claims of the present invention, any of the claimed embodiments may be used in any combination.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the utility model, and the technical scheme after the changes or substitutions can fall into the protection scope of the utility model.
Claims (10)
1. A fan assembly, comprising a cross-flow fan and a motor;
a plurality of first limiting parts are uniformly arranged on a connecting rotating shaft of the cross-flow fan along the circumferential direction of the connecting rotating shaft, and a plurality of second limiting parts matched with the plurality of first limiting parts are uniformly arranged on an output shaft of the motor along the circumferential direction of the output shaft;
the connecting rotating shaft and the output shaft are in inserting fit through the first limiting part and the second limiting part.
2. The fan assembly according to claim 1, wherein the connecting shaft further has a plurality of third limiting portions uniformly arranged along the circumferential direction thereof, and the first limiting portion and the third limiting portions are respectively arranged at intervals along the length direction of the connecting shaft;
the output shaft is also provided with a plurality of fourth limiting parts matched with the third limiting parts along the annular direction of the output shaft.
3. The fan assembly of claim 2, wherein each of the third limiting portions is disposed between the included angles of two adjacent first limiting portions; or,
the third limiting part and the first limiting part are correspondingly arranged along the length direction of the connecting rotating shaft.
4. The fan assembly of claim 2, wherein the first position-limiting portion is a groove and the third position-limiting portion is a protrusion; or,
the first limiting part is a lug and the third limiting part is a groove; or,
the first limiting part and the third limiting part are both grooves; or,
the first limiting part and the third limiting part are both bumps.
5. The fan assembly according to claim 1, wherein the connecting shaft is inserted into the output shaft, the first position-limiting portion is a protrusion, and the second position-limiting portion is a groove; or,
the output shaft is inserted into the connecting rotating shaft, the first limiting portion is a groove, and the second limiting portion is a lug.
6. The fan assembly of claim 5, wherein the width of the projection gradually decreases outward in a radial direction of the cross-flow fan; or,
the width of the lug is gradually increased outwards along the radial direction of the cross flow fan; or,
the width of the lug is kept constant along the radial direction of the cross flow fan.
7. The fan assembly according to claim 1, wherein the coupling rotation shaft is a coupling hole formed at one axial end of the cross flow fan, and the output shaft is inserted into the coupling hole.
8. An indoor unit of an air conditioner, wherein a fan assembly as claimed in any one of claims 1 to 7 is provided in a casing of the indoor unit.
9. An indoor unit of an air conditioner according to claim 8, wherein a bearing is connected to a supporting rotary shaft of the other end of the cross flow fan opposite to the connecting rotary shaft;
and a bearing seat for fixing the bearing is arranged on the framework in the housing.
10. An indoor unit of an air conditioner according to claim 8, wherein a motor mounting seat for fixing the motor is arranged on the framework in the housing.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120636318.4U CN215597460U (en) | 2021-03-29 | 2021-03-29 | Fan assembly and air conditioner indoor unit |
| PCT/CN2021/126760 WO2022068953A1 (en) | 2021-03-29 | 2021-10-27 | Fan assembly and air conditioner indoor unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120636318.4U CN215597460U (en) | 2021-03-29 | 2021-03-29 | Fan assembly and air conditioner indoor unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215597460U true CN215597460U (en) | 2022-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120636318.4U Active CN215597460U (en) | 2021-03-29 | 2021-03-29 | Fan assembly and air conditioner indoor unit |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN215597460U (en) |
| WO (1) | WO2022068953A1 (en) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB977883A (en) * | 1962-11-19 | 1964-12-16 | Cav Ltd | Couplings for transmitting rotary motion |
| JPH0658341A (en) * | 1992-08-10 | 1994-03-01 | Jidosha Buhin Kogyo Kk | Spline device |
| WO2004004980A1 (en) * | 1998-11-03 | 2004-01-15 | Carroll Sean M | Extendable spline-drive socket system |
| JP2005240886A (en) * | 2004-02-25 | 2005-09-08 | Koyo Seiko Co Ltd | Telescopic shaft |
| DE102009056332A1 (en) * | 2009-12-01 | 2011-06-09 | Vierck, Udo, Dipl.-Ing. Architekt | Connection element for supports, has spring element and pin arranged such that connection element is fastened at joint by insertion of support on connection element and locking receiving device corresponding to spring element and pin |
| CN203730590U (en) * | 2013-12-06 | 2014-07-23 | Tcl空调器(中山)有限公司 | Air conditioner, and transmission assembly of cross-flow fan of air conditioner |
| CN204647037U (en) * | 2015-05-30 | 2015-09-16 | 杭州博宇减速机有限公司 | Speed reducer rotatingshaft |
| CN107749695B (en) * | 2017-11-16 | 2020-06-02 | 宁波市鄞州堃信工业产品设计有限公司 | Connecting structure for motor output shaft and rotating shaft |
| CN214036778U (en) * | 2020-12-23 | 2021-08-24 | 厦门众力达机械有限公司 | Gear shaft |
-
2021
- 2021-03-29 CN CN202120636318.4U patent/CN215597460U/en active Active
- 2021-10-27 WO PCT/CN2021/126760 patent/WO2022068953A1/en active Application Filing
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| WO2022068953A1 (en) | 2022-04-07 |
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