CN214330948U - Fan blade mounting structure and electrical equipment - Google Patents
Fan blade mounting structure and electrical equipment Download PDFInfo
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- CN214330948U CN214330948U CN202120444046.8U CN202120444046U CN214330948U CN 214330948 U CN214330948 U CN 214330948U CN 202120444046 U CN202120444046 U CN 202120444046U CN 214330948 U CN214330948 U CN 214330948U
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Abstract
The utility model relates to an installation field of through-flow fan blade provides a fan blade mounting structure and electrical equipment. The fan blade mounting structure comprises a cross-flow fan blade and a shell, wherein the cross-flow fan blade is provided with a first mounting shaft, a blade and a second mounting shaft which are sequentially distributed along the axial direction, the first mounting shaft is rotatably supported on the shell, and a connecting piece protruding out of the radial outer side is fixed on the outer peripheral wall of the second mounting shaft; the fan blade mounting structure is characterized by further comprising an end mounting seat, the end mounting seat is provided with a first half body and a second half body which are distributed along a first direction, the first half body is fixed with the shell, a mounting hole which penetrates through the first half body and the second half body in the axial direction is formed in a surrounding mode of the first half body and the second half body, the first half body and the second half body can be connected in an opening-closing mode, a second mounting shaft penetrates through the mounting hole, the second mounting shaft and the hole wall of the mounting hole are arranged at intervals, the first direction is perpendicular to the axial direction, and the connecting piece is located on one side, far away from the blades, of the end mounting seat in the axial direction. The cross-flow fan blade has simple structure and simple and convenient disassembly and installation process.
Description
Technical Field
The utility model relates to an installation technical field of through-flow fan blade specifically is to relate to a fan blade mounting structure and electrical equipment.
Background
The Chinese patent application with the publication number of CN108775627A discloses a bearing rubber ring assembly and an air conditioner with the same.
However, when the scheme is used for installing the through-flow fan blade, on one hand, the fastener and the avoidance hole are eccentrically arranged relative to the connecting shaft, so that the fastener and the avoidance hole need to be aligned when the bearing rubber ring seat and the connecting shaft are matched for installation/disassembly, which causes great difficulty in matching the bearing rubber ring seat and the connecting shaft; on the other hand, the existence of the avoidance holes also causes the cross-flow fan blade to leak air through the avoidance holes in the operation process, and the operation performance of the cross-flow fan blade is influenced.
SUMMERY OF THE UTILITY MODEL
One of the purposes of the utility model is to provide a simple structure, easy dismounting and be difficult to the fan blade mounting structure who leaks out.
In order to achieve the above object, the utility model provides a fan blade mounting structure includes through-flow fan blade and casing, and the through-flow fan blade has first installation axle, blade and the second installation axle that distributes along the axial in proper order, and first installation axle rotatably supports on the casing, is fixed with the connecting piece that is protruding outside radially on the periphery wall of second installation axle, and the connecting piece is eccentric relative to second installation axle; the fan blade mounting structure is characterized by further comprising an end mounting seat, the end mounting seat is provided with a first half body and a second half body which are distributed along a first direction, the first half body is fixed with the shell, a mounting hole which penetrates through the first half body and the second half body in the axial direction is formed in a surrounding mode of the first half body and the second half body, the first half body and the second half body can be connected in an opening-closing mode, a second mounting shaft penetrates through the mounting hole, the second mounting shaft and the hole wall of the mounting hole are arranged at intervals, the first direction is perpendicular to the axial direction, and the connecting piece is located on one side, far away from the blades, of the end mounting seat in the axial direction.
Therefore, on one hand, the connecting piece is fixed on the peripheral wall of the second mounting shaft, so that the connecting difficulty between the second mounting shaft and the power device is reduced, the connecting piece does not need to be detached when the second mounting shaft and the end mounting seat are mounted in a matched mode, and the mounting process of the cross-flow fan blade is simplified; on the other hand, the utility model discloses need not to set up specially for the connecting piece on the tip mount pad and dodge the hole, be favorable to simplifying the structure of tip mount pad, be favorable to reducing the complex risk of leaking out of tip mount pad and second installation axle to when second installation axle and tip mount pad cooperation installation, need not the connecting piece and dodge the hole and aim at, be favorable to reducing the installation cooperation degree of difficulty of second installation axle and tip mount pad.
The second installation axle sets up with the pore wall interval of mounting hole, and the second installation axle does not contact with the pore wall of mounting hole promptly, and the second installation axle can not rub with the pore wall of mounting hole when rotating like this, is favorable to ensureing that the second installation axle rotates smoothly.
Preferably, the first half is integrally formed on the housing.
The further scheme is that the second installation axle has first shaft segment and second shaft segment, and the second shaft segment is located one side of keeping away from the blade along the axial of first shaft segment, and the radial dimension of first shaft segment is greater than the radial dimension of mounting hole, and the radial dimension of second shaft segment is less than the radial dimension of mounting hole, and the second shaft segment is worn to locate in the mounting hole.
It is thus clear that first axle section can cover the interval space between the pore wall of second axle section and mounting hole like this, is favorable to further reducing the complex risk of leaking out of tip mount pad and second installation axle.
The second mounting shaft is provided with a third shaft section, the first shaft section, the second shaft section and the third shaft section are sequentially connected along the axial direction, and the radial dimension of the third shaft section is larger than that of the mounting hole.
Therefore, the third shaft section can cover the space between the second shaft section and the hole wall of the mounting hole, and the matched air leakage risk of the end mounting seat and the second mounting hole is further reduced.
In another preferred embodiment, the first mounting shaft is rotatably mounted on the housing through a bearing rubber ring seat, and the bearing rubber ring seat is detachably inserted into the housing along the first direction.
Still another preferred scheme is that, the second installation axle is the tube-shape, and the connecting piece is the screw, and connecting piece and second installation axle threaded connection, the connecting piece runs through to in the section of thick bamboo chamber of second installation axle.
In another preferred scheme, the first half body is provided with a first matching surface facing the second half body, the second half body is provided with a second matching surface facing the first half body, and the first matching surface is attached to the second matching surface; the first matching surface is provided with a first positioning bulge which protrudes towards the second matching surface, the second matching surface is provided with a first positioning groove which is sunken back to the first matching surface, and the first positioning bulge is matched with the first positioning groove; and/or the second matching surface is provided with a second positioning bulge which protrudes towards the first matching surface, the first matching surface is provided with a second positioning groove which is sunken back to the second matching surface, and the second positioning bulge is matched with the second positioning groove.
Therefore, the stability of the first half body and the second half body in matching is improved, the matching precision of the first half body and the second half body is improved, the coaxiality of the mounting holes is ensured, and the interference between any one of the first half body and the second mounting shaft is avoided.
The first half body and the second half body are detachably connected at least at one end along a second direction by adopting an elastic buckle, the second direction is vertical to the first direction, and the second direction is vertical to the axial direction.
The elastic buckle comprises a first extension section, a bending section, a second extension section and a clamping protrusion which are sequentially connected, wherein the first extension section and the second extension section are arranged at intervals along a second direction, the second extension section is positioned on one side of the first extension section, which is back to the mounting hole, along the second direction, and the clamping protrusion is connected to one side of the second extension section, which is back to the first extension section; the first extension section is fixedly connected with the second half body, the first extension section extends from the second half body to the first half body along a first direction, and the first extension section and the second extension section are connected with the bending section at one end facing the first half body; the first half body is provided with a clamping hole with an opening facing the second half body, the elastic buckle is inserted in the clamping hole, the clamping protrusion is limited on one side of the first half body back to the second half body, and one end of the second extending section, which is far away from the first half body along the first direction, is exposed out of the clamping hole.
Therefore, the elastic buckle and the first half body are conveniently separated from the clamping connection by breaking the second extending section, the opening and closing operation of the second half body is convenient, and the simple and convenient dismounting process of the through-flow fan blade is facilitated.
The second half body is provided with a second magnetic attraction piece which is attracted with the first magnetic attraction piece.
From the top down, it can be seen that this further helps to promote the stability of first halfbody and second halfbody complex.
The second purpose of the utility model is to provide an electrical equipment with simple structure and easy assembly and disassembly.
In order to realize the above purpose, the utility model provides an electrical equipment includes power device and aforementioned fan blade mounting structure, and the one end of keeping away from the blade along the axial of second installation axle is connected with the power device transmission, and the connecting piece is connected with power device.
Drawings
Fig. 1 is a structural diagram of an embodiment of the fan blade mounting structure of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
fig. 3 is an exploded view of an embodiment of the fan blade mounting structure of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3 at B;
fig. 5 is a sectional view and a partial enlarged view of the fan blade mounting structure of the present invention;
fig. 6 is a state diagram of the alternative embodiment of the fan blade mounting structure of the present invention when the second half body is not yet mounted;
fig. 7 is a structural diagram of an alternative embodiment of the fan blade mounting structure of the present invention.
Detailed Description
Fan blade mounting structure and electrical equipment embodiment:
fig. 1 to 5 of this embodiment adopt a uniform spatial rectangular coordinate system (right-hand system) to represent the relative position relationship of each component of the blade mounting structure in the assembled state, where the X-axis direction is the second direction, the Y-axis direction is the axial direction of a following cross-flow blade 2, and the Z-axis direction is the first direction.
The electrical equipment of this embodiment is wall-hanging air conditioning indoor set, optionally in other embodiments of the utility model, electrical equipment also can be tower fan, vertical air conditioning indoor set or be the whole air conditioning system including air conditioning indoor set.
The electrical equipment of this embodiment includes a motor (an example of a power device) and the blade mounting structure of this embodiment, please refer to fig. 1 to 5, the blade mounting structure includes a housing 1, a cross-flow blade 2, a bearing rubber ring seat 3, a second half body 4 and screws 5, please refer to fig. 5, the cross-flow blade 2 includes a first mounting shaft 21, a blade 22 and a second mounting shaft 23 which are distributed along the Y axis in the forward direction, the second mounting shaft 23 includes a first shaft section 231, a second shaft section 232 and a third shaft section 233 which are connected in sequence along the axial direction, the first shaft section 231 is located at one end close to the blade 22, and the screws 5 are fixed on the outer peripheral wall of the third shaft section 233.
Referring to fig. 5, the second mounting shaft 23 of the present embodiment is cylindrical, the screw 5 is screwed with the third shaft section 233, and the screw 5 radially penetrates into the cylindrical cavity 234 of the second mounting shaft 23 from the outer circumferential wall of the third shaft section 233.
Referring to fig. 3 and 4, the first half body 11 is integrally formed on the housing 1, the first half body 11 and the second half body 4 form an end portion mounting seat, a first mating surface 111 is formed on a Z-axis forward side wall of the first half body 11, a normal line of the first mating surface 111 is along the Z-axis direction, the first mating surface 111 has two fastening holes 113 opening toward the Z-axis forward direction, two positioning slots 112 (examples of second positioning slots) and a first half circular slot hole 114 (see fig. 5), the first half circular slot hole 114 penetrates the first half body 11 along the Y-axis direction, the two positioning slots 112 are symmetrically distributed on two sides of the first half circular slot hole 114 along the X-axis direction, the two fastening holes 113 are symmetrically distributed on two sides of the first half circular slot hole 114 along the X-axis direction, and the first half circular slot hole 114 and the two positioning slots 112 are both located between the two fastening holes 113 along the X-axis direction.
The second half body 4 is installed on the positive side of the Z axis of the first half body 11, the negative side wall of the Z axis of the second half body 4 has a second matching surface, the normal line of the second matching surface is along the Z axis direction, the second matching surface has a second semicircular slot hole 41 with an opening facing the first half body 11 and two positioning protrusions 42 (example of second positioning protrusion) protruding towards the first half body 11, the first matching surface 111 is jointed with the second matching surface, the first semicircular slot hole 114 and the second semicircular slot hole 41 form an installation hole, the two positioning protrusions 42 are inserted into the two positioning grooves 112 one by one, the section of the normal line of the mounting hole along the Y-axis direction is circular, the center line of the mounting hole is superposed with the axis of the second mounting shaft 23, the second shaft section 232 is arranged in the mounting hole in a penetrating way, the diameter of the mounting hole is larger than that of the second shaft section 232, the diameter of the mounting hole is smaller than that of the first shaft section 231, and the diameter of the mounting hole is smaller than that of the third shaft section 233; namely: the second shaft section 232 is spaced apart from the wall of the mounting hole, and the first shaft section 231 and the third shaft section 233 both cover the gap between the mounting hole and the second shaft section 232 when viewed in the Y-axis direction.
The second half body 4 further has two elastic buckles 43, each elastic buckle 43 has a first extending portion 431, a bent portion 432, a second extending portion 433, and a locking protrusion 434, the first extending portion 431 extends from the second mating surface along the negative Z-axis direction, both the negative Z-axis end of the first extending portion 431 and the negative Z-axis end of the second extending portion 433 are connected to the bent portion 432, the second extending portion 433 extends from the bent portion 432 along the positive Z-axis direction, the second extending portion 433 is located on the side of the first extending portion 431 facing away from the mounting hole along the X-axis direction, the second extending portion 433 is spaced apart from the first extending portion 431, the locking protrusion 434 is connected to the side of the second extending portion 433 facing away from the first extending portion 431, and the positive Z-axis end of the second extending portion 433 is exposed out of the locking hole 113.
The two elastic buckles 43 correspond to the two clamping holes 113 one by one, the elastic buckles 43 are clamped in the corresponding clamping holes 113, and the clamping protrusions 434 are limited on the negative Z-axis side of the first half body 11.
The matching connection mode of the elastic buckle 43 and the buckle hole 113 can be set by referring to the scheme of the chinese patent application with publication number CN107740784A, and is not described herein again.
When the fan blade mounting structure is assembled, firstly, the bearing rubber ring seat 3 and the first mounting shaft 21 are mounted; then, a combination of the bearing rubber ring seat 3 and the cross-flow fan blade 2 is arranged on the shell 1 along the negative direction of the Z axis, the bearing rubber ring seat 3 is inserted on the shell 1, and the second shaft section 232 of the second installation shaft 23 is arranged in the first semicircular groove hole 114; and finally, installing the second half body 4 to the first half body 11 along the Z-axis negative direction to complete the assembly of the fan blade installation structure.
After the assembly of the fan blade mounting structure is completed, the rotating shaft of the motor is fixedly connected with the third shaft section 233 through the screw 5, specifically, the rotating shaft of the motor is firstly inserted into the barrel cavity 234 of the second mounting shaft 23, then the screw 5 is screwed, and the screw 5 is abutted against the rotating shaft of the motor, so that the rotating shaft of the motor is fixedly connected with the second mounting shaft 23.
On one hand, the peripheral wall of the second mounting shaft 23 is fixed with the screws 5, so that the difficulty in connecting the second mounting shaft 23 and the rotating shaft of the motor is reduced, and the end mounting seat is provided with the first half body 11 and the second half body 4 which can be opened and closed, so that the second mounting shaft 23 and the end mounting seat can be mounted in a matched manner by firstly placing the second mounting shaft 23 in the first half-circular groove hole 114 and then mounting the first half body 11 and the second half body 4 in a matched manner, so that the screws 5 do not need to be detached when the second mounting shaft 23 and the end mounting seat are mounted in a matched manner, the mounting process of the cross-flow fan blade 2 is simplified, and the mounting efficiency of the cross-flow fan blade 2 is improved; on the other hand, this embodiment need not to set up specially on the tip mount pad and dodge the hole for screw 5, and this structure that not only is favorable to simplifying the tip mount pad is favorable to reducing the complex risk of leaking out of tip mount pad and second installation axle 23, when second installation axle 23 and tip mount pad cooperation installation, need not screw 5 moreover and dodge the pore pair and aim at, is favorable to reducing the installation cooperation degree of difficulty of second installation axle 23 and tip mount pad.
Similarly, when cross-flow fan blade 2 needs to be dismantled, this embodiment need not to dismantle screw 5 from second installation axle 23, also need not screw 5 and dodge the hole and align, and only need open second halfbody 4, just can dismantle second installation axle 23 along the Z axle forward, and cross-flow fan blade 2's dismantlement is convenient.
In addition, the positioning groove 112 and the positioning protrusion 42 are provided in the present embodiment, so that the stability of the first half body 11 and the second half body 4 can be improved.
Optionally, in other embodiments of the present invention, the first half body 11 and the second half body 4 may also be cooperatively connected only at one end along the X-axis direction by using the elastic buckle 43, and the other end along the X-axis direction is connected by using a hinged or pin-connected manner, and the scheme that the first half body 11 and the second half body 4 are hinged at one end may refer to the scheme of CN107740784A in the chinese patent application, and is not described herein again; in the solution of the first half body 11 and the second half body 4 connected by a pin at one end, for example, as shown in fig. 6 and fig. 7, the second half body 4 'has a pin 44' extending away from the mounting hole in the X-axis direction, the first half body 11 'has a hole, the pin 44' is inserted into the hole, and the pin 44 'is limited to the negative Z-axis side of the first half body 11. in the solution, when assembling the first half body 11' and the second half body 4 ', the pin 44' is first inserted into the hole, and then the second half body 4 'is rotated to insert the elastic buckle 43' into the hole.
Preferably, the first half body 11 is provided with a first magnetic attraction piece (not shown in the figure), the second half body 4 is provided with a second magnetic attraction piece (not shown in the figure), and the first magnetic attraction piece and the second magnetic attraction piece attract each other; therefore, the matching stability of the first half body 11 and the second half body 4 is improved, and the second half body 4 is prevented from being loosened compared with the first half body 11; optionally, the first magnetic attraction piece and the second magnetic attraction piece may both be magnets, and one of the first magnetic attraction piece and the second magnetic attraction piece may be a magnet, and the other is an iron body; alternatively, in other embodiments of the present invention, the elastic buckle 43 can be eliminated, and the first half body 11 and the second half body 4 are fixedly connected only by the magnetic attraction force of the first magnetic attraction member and the second magnetic attraction member.
Alternatively, in other embodiments of the present invention, the power device may also be a system composed of a motor and a transmission mechanism, the motor is in transmission connection with the third shaft section 233 through the transmission mechanism, and the screw 5 is used for realizing the connection of the third shaft section 233 with the transmission mechanism.
Alternatively, in other embodiments of the present invention, the positioning groove may be disposed on the second mating surface, and the positioning protrusion may be disposed on the first mating surface, so as to provide the limiting position for the first half body and the second half body.
Optionally, in other embodiments of the present invention, the matching between the bearing rubber ring seat and the housing may also be configured to be non-detachable, such that when installing the cross-flow fan blade, the first installation shaft is first inserted into the hole of the bearing rubber ring seat, and the second installation shaft is overlapped to the first semicircular slot hole, then the first half body and the second half body are installed in a matching manner, and finally the second installation shaft and the motor are installed in a matching manner; the purpose of quickly installing the cross-flow fan blade can be achieved.
Finally, it should be emphasized that the above-described embodiments are merely preferred examples of the present invention, and are not intended to limit the invention, as those skilled in the art will appreciate that various changes and modifications may be made, and any and all modifications, equivalents, and improvements made, while remaining within the spirit and principles of the present invention, are intended to be included within the scope of the present invention.
Claims (11)
1. The fan blade mounting structure comprises a cross-flow fan blade and a shell, wherein the cross-flow fan blade is provided with a first mounting shaft, a blade and a second mounting shaft which are sequentially distributed along the axial direction, the first mounting shaft is rotatably supported on the shell, a connecting piece protruding to the radial outer side is fixed on the peripheral wall of the second mounting shaft, and the connecting piece is eccentrically arranged relative to the second mounting shaft;
the method is characterized in that:
the fan blade mounting structure is characterized by further comprising an end mounting seat, the end mounting seat is provided with a first half body and a second half body which are distributed along a first direction, the first half body is fixed with the shell, a mounting hole which penetrates through the first half body and the second half body in the axial direction is defined by the first half body and the second half body, the first half body and the second half body are connected in an openable mode, the second mounting shaft penetrates through the mounting hole, the second mounting shaft and the hole wall of the mounting hole are arranged at intervals, the first direction is perpendicular to the axial direction, and the connecting piece is located on one side, far away from the blades, of the end mounting seat in the axial direction.
2. The fan blade mounting structure of claim 1, wherein:
the first half is integrally formed on the housing.
3. The fan blade mounting structure of claim 2, wherein:
the second installation axle has first shaft section and second shaft section, the second shaft section is located the edge of first shaft section one side of keeping away from the blade in the axial, the radial dimension of first shaft section is greater than the radial dimension of mounting hole, the radial dimension of second shaft section is less than the radial dimension of mounting hole, the second shaft section is worn to locate in the mounting hole.
4. The fan blade mounting structure of claim 3, wherein:
the second installation axle still has the third shaft section, first shaft section, the second shaft section reaches the third shaft section is followed the axial connects gradually, the radial dimension of third shaft section is greater than the radial dimension of mounting hole.
5. The fan blade mounting structure of claim 1, wherein:
the first mounting shaft is rotatably mounted on the shell through a bearing rubber ring seat, and the bearing rubber ring seat is detachably inserted in the shell along the first direction.
6. The fan blade mounting structure of claim 1, wherein:
the second installation axle is the tube-shape, the connecting piece is the screw, the connecting piece with second installation axle threaded connection, the connecting piece run through to in the barrel cavity of second installation axle.
7. The fan blade mounting structure according to any one of claims 1 to 6, wherein:
the first half body is provided with a first matching surface facing the second half body, the second half body is provided with a second matching surface facing the first half body, and the first matching surface is attached to the second matching surface;
the first matching surface is provided with a first positioning bulge which protrudes towards the second matching surface, the second matching surface is provided with a first positioning groove which is recessed back to the first matching surface, and the first positioning bulge is matched with the first positioning groove; and/or the second matching surface is provided with a second positioning bulge which protrudes towards the first matching surface, the first matching surface is provided with a second positioning groove which is back to the second matching surface, and the second positioning bulge is matched with the second positioning groove.
8. The fan blade mounting structure of claim 7, wherein:
the first half body and the second half body are detachably connected at least at one end along a second direction by adopting an elastic buckle, the second direction is perpendicular to the first direction, and the second direction is perpendicular to the axial direction.
9. The fan blade mounting structure of claim 8, wherein:
the elastic buckle comprises a first extension section, a bending section, a second extension section and a clamping protrusion which are sequentially connected, the first extension section and the second extension section are arranged at intervals along the second direction, the second extension section is positioned on one side of the first extension section, which is back to the mounting hole, along the second direction, and the clamping protrusion is connected to one side of the second extension section, which is back to the first extension section;
the first extension section is fixedly connected with the second half body, the first extension section extends from the second half body to the first half body along the first direction, and the first extension section and the second extension section are connected with the bending section at one end facing the first half body;
the first half body is provided with a clamping hole with an opening facing the second half body, the elastic buckle is clamped in the clamping hole, the clamping protrusion is limited on one side of the first half body, which faces away from the second half body, and one end, away from the first half body, of the second extending section in the first direction is exposed out of the clamping hole.
10. The fan blade mounting structure of claim 7, wherein:
the first half body is provided with a first magnetic attraction piece, and the second half body is provided with a second magnetic attraction piece which is attracted with the first magnetic attraction piece.
11. Electrical equipment, including power device, its characterized in that:
the fan blade mounting structure of any one of claims 1 to 10, wherein one end of the second mounting shaft, which is far away from the blades in the axial direction, is in transmission connection with the power device, and the connecting piece is connected with the power device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120444046.8U CN214330948U (en) | 2021-03-01 | 2021-03-01 | Fan blade mounting structure and electrical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120444046.8U CN214330948U (en) | 2021-03-01 | 2021-03-01 | Fan blade mounting structure and electrical equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214330948U true CN214330948U (en) | 2021-10-01 |
Family
ID=77886193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120444046.8U Active CN214330948U (en) | 2021-03-01 | 2021-03-01 | Fan blade mounting structure and electrical equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214330948U (en) |
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2021
- 2021-03-01 CN CN202120444046.8U patent/CN214330948U/en active Active
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