CN216044557U - Improved circulating fan - Google Patents
Improved circulating fan Download PDFInfo
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- CN216044557U CN216044557U CN202122283463.1U CN202122283463U CN216044557U CN 216044557 U CN216044557 U CN 216044557U CN 202122283463 U CN202122283463 U CN 202122283463U CN 216044557 U CN216044557 U CN 216044557U
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Abstract
An improved circulating fan comprises a base, a supporting arm connected to the base and a fan head connected to the upper end of the supporting arm, wherein the fan head comprises a motor head, a rear fan cover and a thread locking ring; compared with the traditional circulating fan, the structure of the circulating fan is that the rear fan cover can be detached relative to the motor head, so that the space can be saved during assembly and packaging, the transportation cost can be reduced, and the rear fan cover can be detached, wiped and washed by water after the circulating fan is used, so that the rear fan cover can be thoroughly cleaned.
Description
Technical Field
The utility model relates to the field of fans, in particular to an improved circulating fan.
Background
The fan is mostly used for summer, along with the development of science and technology various fans appear in the market, including direct current air's circulating fan, circulating fan can blow out comparatively concentrated fan when moving, mainly lets the air in the room form a convection current circulation to reduce indoor temperature, use together with the air conditioner usually, in order to reach the effect of quick reduction room temperature. Referring to fig. 9, a rear fan cover 4 of a conventional circulating fan is integrally provided with a housing 41 for covering a motor 3 and an electric control, an open opening is formed at the rear end of the housing, the motor is put into the open opening and is fixedly connected with the housing through screws, and a rear cover 10 is further provided outside the open opening. Therefore, the back fan cover is opened once, so that the electric control part and the motor are exposed, and the back fan cover is opened by a tool, so that the back fan cover is inconvenient to open and is not suitable for opening, the size of the circulating fan is large when the circulating fan is assembled, the transportation cost is increased, and the back fan cover can not be cleaned by water due to the connection of the motor head, so that the back fan cover is used for a long time and is easy to accumulate more dust.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the existing problems and provides an improved circulating fan with a simple and reasonable structure, which mainly has the function of enabling a rear fan cover to be detachably matched with a motor head so as to enable the rear fan cover to be washed by water.
An improved circulating fan comprises a base, a supporting arm connected to the base and a fan head connected to the upper end of the supporting arm, wherein the fan head comprises a motor head, a rear fan cover, an air guide cylinder, a front fan cover and fan blades; the method is characterized in that: the fan head further comprises a threaded locking ring, the motor head is provided with external threads matched with the threaded locking ring, the rear end of the rear fan cover is provided with an assembly through hole which is embedded outside the motor head, and the rear fan cover is fixedly connected through the threaded locking ring and the motor head in a threaded manner, so that the rear fan cover and the motor head are detachably connected.
The aim of the utility model can also be solved by the following technical measures:
the fan head further comprises a fan blade nut, the front fan cover and the rear fan cover are buckled, the rotating shaft of the motor head extends to a position between the front fan cover and the rear fan cover and is connected with the fan blades, and the fan blades are locked on the rotating shaft through the fan blade nut and the rotating shaft.
The motor head is provided with a limiting check ring matched with the rear fan cover, and the rear fan cover is locked between the limiting check ring and the threaded lock ring.
The motor head is provided with a fool-proof convex rib, and a fool-proof groove matched with the fool-proof convex rib is arranged on the hole wall of the assembling through hole of the rear fan cover.
The rear fan casing comprises an outer wheel ring, an inner wheel ring for limiting the assembling through hole and a trumpet-shaped air guide casing, the inner wheel ring is arranged at the front end opening of the air guide casing, a plurality of inner ring grid strips are radially connected between the inner wheel ring and the air guide casing, the outer wheel ring is arranged on the front side of the inner wheel ring, a plurality of outer ring grid strips extending axially are connected between the outer wheel ring and the rear end opening of the air guide casing, and at least one reinforcing ring is further arranged on the outer ring grid strips between the outer wheel ring and the air guide casing.
The rear fan cover comprises an outer wheel ring, an inner wheel ring and a conical air guide cover, the inner wheel ring is used for limiting the assembling through hole, the air guide cover is arranged in a conical cylinder shape, the inner wheel ring is arranged at the front end opening of the air guide cover, a plurality of inner ring grid bars are radially connected between the inner wheel ring and the air guide cover, the outer wheel ring is arranged on the front side of the inner wheel ring, a plurality of reinforcing ribs which axially extend are connected between the outer wheel ring and the rear end opening of the air guide cover, and a plurality of rings of grid rings with the same diameter are arranged on the reinforcing ribs between the outer wheel ring and the air guide cover.
The front fan cover comprises a central baffle, an inner ring shell for limiting the air guide cylinder and an outer ring shell connected with the inner ring shell, the inner ring shell is circular or conical, a plurality of arc grid bars extending in the parabola direction are connected between the central baffle and the inner ring shell, and a plurality of structural reinforcing plates extend on the outer wall surface of the inner ring shell.
The motor head comprises a head shell and a sealing plate connected to the front end opening of the head shell, a head swinging device and a main motor connected to the sealing plate are installed in the head shell, the rotating shaft of the main motor penetrates through the sealing plate to be connected with fan blades, the head shell comprises a cylinder body matched with the assembling through hole on the front end side, and the external threads are arranged on the wall surface of the cylinder body.
The bottom of base is provided with the chassis, is equipped with the fixed axle of being connected with the base on the chassis, is equipped with driven gear ring on the fixed axle, install the oscillating motor in the base, be connected with in the axis of rotation of oscillating motor with driven gear ring engaged with driving gear, through the relative chassis axial swing of oscillating motor work drive base.
The utility model has the following beneficial effects:
compared with the traditional circulating fan, the improved circulating fan has the advantages that the rear fan cover can be detached relative to the motor head, so that the air drop can be saved during assembly and packaging, the transportation cost can be reduced, and the rear fan cover can be detached, wiped and washed by water after the improved circulating fan is used, so that the rear fan cover can be thoroughly cleaned.
Drawings
Fig. 1 is an exploded view of a circulation fan according to the present invention.
FIG. 2 is a schematic structural view of a specific embodiment of the back fanner according to the present invention.
Fig. 3 is a first cross-sectional exploded view of the rear fan housing and the front fan housing of the present invention.
FIG. 4 is a schematic structural view of a second embodiment of the back fanner according to the present invention.
Fig. 5 is a schematic cross-sectional exploded view of the rear fan cover and the front fan cover of the present invention.
Fig. 6 is a first exploded view of the front fan cover of the present invention.
Fig. 7 is a second exploded view of the front fan cover of the present invention.
Fig. 8 is a partially exploded view of the present invention.
Fig. 9 is a schematic exploded view of a prior art.
Detailed Description
The utility model is further illustrated with reference to the following figures and examples.
As shown in fig. 1 to 8, an improved circulation fan comprises a base 1, a support arm 2 connected to the base 1, and a fan head connected to the upper end of the support arm 2, wherein the fan head comprises a motor head 3, a rear fan cover 4 and a thread locking ring 5, the motor head 3 is provided with an external thread 301 matched with the thread locking ring 5, the rear end of the rear fan cover 4 is provided with an assembly through hole 401 for being nested outside the motor head 3, and the rear fan cover 4 is locked and locked by the thread locking ring 5 and the motor head 3 through thread connection, so that the rear fan cover 4 and the motor head 3 are detachably connected.
Compared with the traditional circulating fan, the structure of the circulating fan is that the rear fan cover 4 can be detached relative to the motor head 3, so that the space can be saved during assembly and packaging, the transportation cost can be reduced, and the rear fan cover 4 can be detached, wiped and washed by water after the circulating fan is used, so that the rear fan cover 4 can be thoroughly cleaned.
Further, the fan head further comprises a front fan cover 6, fan blades 7 and fan blade nuts 8, the front fan cover 6 and the rear fan cover 4 are buckled, a rotating shaft of a motor of the motor head 3 extends to a position between the front fan cover 6 and the rear fan cover 4 and is connected with the fan blades 7, and the fan blades 7 are connected with the rotating shaft through the fan blade nuts 8 and locked on the rotating shaft; during assembly, the rear fan cover 4 is fixed on the motor head 3 through the threaded locking ring 5, after the fan blades 7 are installed on the rotating shaft of the motor head 3, the fan blade nuts 8 are screwed, and finally the rear fan cover 4 is fastened to complete assembly.
Further, a limit check ring 9 matched with the rear fan cover 4 is arranged on the motor head 3, and the rear fan cover 4 is locked between the limit check ring 9 and the threaded lock ring 5; the position limiting retainer ring 9 is used for limiting the nesting position of the rear fan cover 4.
Further, a foolproof convex rib 10 is arranged on the motor head 3, and a foolproof groove 11 matched with the foolproof convex rib 10 is arranged on the hole wall of the assembling through hole 401 of the rear fan cover 4; through preventing slow-witted recess 11 and preventing slow-witted protruding muscle 10 cooperation, make back fan cover 4 can be fixed for motor head 3 relatively, the motor head 3 rotation condition can not appear following.
Further, an air duct 12 is arranged between the front fan cover 6 and the rear fan cover 4, and the front fan cover 6 is connected to the air duct 12; the air guide duct 12 can organize the airflow path.
Further, the specific embodiment of the rear fan cover 4 includes:
the first method is as follows: referring to fig. 2 and 3, the wind guide cover comprises an outer rim 41, an inner rim 42 defining a mounting through hole 401, and a trumpet-shaped wind guide cover 43, wherein the inner rim 42 is arranged at a front end of the wind guide cover 43, a plurality of inner ring grid bars 44 are radially connected between the inner rim 42 and the wind guide cover 43, the outer rim 41 is arranged at the front side of the inner rim 42, a plurality of axially extending outer ring grid bars 45 are connected between the outer rim 41 and a rear end of the wind guide cover 43, and at least one reinforcing ring 46 is further arranged on the outer ring grid bars 45 between the outer rim 41 and the wind guide cover 43.
The second method comprises the following steps: referring to fig. 4 and 5, the wind scooper comprises an outer rim 41, an inner rim 42 defining a mounting through hole 401, and a wind scooper 43 in a tapered cylindrical shape, wherein the inner rim 42 is disposed at a front end of the wind scooper 43, a plurality of inner ring grid bars 44 are radially connected between the inner rim 42 and the wind scooper 43, the outer rim 41 is disposed at a front side of the inner rim 42, a plurality of axially extending reinforcing ribs 47 are connected between the outer rim 41 and a rear end of the wind scooper 43, and a plurality of rings of grid rings 48 with the same diameter are disposed on the reinforcing ribs 47 between the outer rim 41 and the wind scooper 43.
In addition, as shown in fig. 6 and 7, the front fan housing 6 includes a central baffle 61, an inner ring casing 62 defining the air guiding duct 12, and an outer ring casing 63 connected to the inner ring casing 62, a plurality of arc-shaped grid bars 64 extending in a parabolic direction are connected between the central baffle 61 and the inner ring casing 62, and a plurality of structural reinforcing plates 65 extend on an outer wall surface of the inner ring casing 62; the front fan cover 6 of this structure can be used in cooperation with the rear fan cover 4 in the first and second modes.
Specifically, the inner ring casing 62 is in a circular ring shape, and the inner ring casing 62 of the structure is used in cooperation with the rear fan cover 4 of the second mode, or the inner ring casing 62 is in a tapered ring shape, and the inner ring casing 62 of the structure is used in cooperation with the rear fan cover 4 of the first mode.
Further, the motor head 3 includes a head housing 31 and a sealing plate 32 connected to a front end of the head housing 31, a head swinging device and a main motor 33 connected to the sealing plate 32 are installed in the head housing 31, a rotating shaft of the main motor 33 penetrates the sealing plate 32 to be connected with the fan blade 7, the head housing 31 includes a cylinder 311 matched with the assembling through hole 401 at a front end side, and the external thread 301 is disposed on a wall surface of the cylinder 311; since it is preferable that the fitting through hole 401 is circular, the motor head 3 having a circular structure can improve the fitting efficiency of the rear fan cover 4.
The upper end of the supporting arm 2 is provided with a hinged shaft 13, and the fan head is connected to the upper end of the supporting arm 2 in an up-and-down overturning manner through the hinged shaft 13.
Further, the head swinging device comprises a fixed gear 14 connected to the hinge shaft 13 and a head swinging motor 15, a movable gear 16 engaged with the fixed gear 14 is mounted on a rotating shaft of the head swinging motor 15, and the head swinging motor 15 drives the fan head to swing up and down along the hinge shaft 13.
Further, a base plate 17 is arranged at the bottom of the base 1, a fixing shaft 18 connected with the base 1 is arranged on the base plate 17, a driven gear ring 19 is arranged on the fixing shaft 18, an oscillating motor 20 is installed in the base 1, a driving gear 21 meshed with the driven gear ring 19 is connected to a rotating shaft of the oscillating motor 20, and the base 1 is driven to axially swing relative to the base plate 17 through the operation of the oscillating motor 20.
Further, a control box 22 electrically connected with the main motor 33, the head swing motor 15 and the head swing motor 20 is installed in the base 1.
The foregoing is a preferred embodiment of the present invention, and the basic principles, principal features and advantages of the utility model are shown and described. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the present invention, but various changes and modifications may be made without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.
Claims (9)
1. An improved circulating fan comprises a base, a supporting arm connected to the base and a fan head connected to the upper end of the supporting arm, wherein the fan head comprises a motor head, a rear fan cover, an air guide cylinder, a front fan cover and fan blades; the method is characterized in that: the fan head further comprises a threaded locking ring, the motor head is provided with external threads matched with the threaded locking ring, the rear end of the rear fan cover is provided with an assembly through hole which is embedded outside the motor head, and the rear fan cover is fixedly connected through the threaded locking ring and the motor head in a threaded manner, so that the rear fan cover and the motor head are detachably connected.
2. An improved circulation fan as defined in claim 1, wherein: the fan head further comprises a fan blade nut, the front fan cover and the rear fan cover are buckled, the rotating shaft of the motor head extends to a position between the front fan cover and the rear fan cover and is connected with the fan blades, and the fan blades are locked on the rotating shaft through the fan blade nut and the rotating shaft.
3. An improved circulation fan as defined in claim 1, wherein: the motor head is provided with a limiting check ring matched with the rear fan cover, and the rear fan cover is locked between the limiting check ring and the threaded lock ring.
4. An improved circulation fan as defined in claim 1, wherein: the motor head is provided with a fool-proof convex rib, and a fool-proof groove matched with the fool-proof convex rib is arranged on the hole wall of the assembling through hole of the rear fan cover.
5. An improved circulation fan as defined in claim 1, wherein: the rear fan casing comprises an outer wheel ring, an inner wheel ring for limiting the assembling through hole and a trumpet-shaped air guide casing, the inner wheel ring is arranged at the front end opening of the air guide casing, a plurality of inner ring grid strips are radially connected between the inner wheel ring and the air guide casing, the outer wheel ring is arranged on the front side of the inner wheel ring, a plurality of outer ring grid strips extending axially are connected between the outer wheel ring and the rear end opening of the air guide casing, and at least one reinforcing ring is further arranged on the outer ring grid strips between the outer wheel ring and the air guide casing.
6. An improved circulation fan as defined in claim 1, wherein: the rear fan cover comprises an outer wheel ring, an inner wheel ring and a conical air guide cover, the inner wheel ring is used for limiting the assembling through hole, the air guide cover is arranged in a conical cylinder shape, the inner wheel ring is arranged at the front end opening of the air guide cover, a plurality of inner ring grid bars are radially connected between the inner wheel ring and the air guide cover, the outer wheel ring is arranged on the front side of the inner wheel ring, a plurality of reinforcing ribs which axially extend are connected between the outer wheel ring and the rear end opening of the air guide cover, and a plurality of rings of grid rings with the same diameter are arranged on the reinforcing ribs between the outer wheel ring and the air guide cover.
7. An improved circulation fan as defined in claim 1, wherein: the front fan cover comprises a central baffle, an inner ring shell for limiting the air guide cylinder and an outer ring shell connected with the inner ring shell, the inner ring shell is circular or conical, a plurality of arc grid bars extending in the parabola direction are connected between the central baffle and the inner ring shell, and a plurality of structural reinforcing plates extend on the outer wall surface of the inner ring shell.
8. An improved circulation fan as defined in claim 1, wherein: the motor head comprises a head shell and a sealing plate connected to the front end opening of the head shell, a head swinging device and a main motor connected to the sealing plate are installed in the head shell, the rotating shaft of the main motor penetrates through the sealing plate to be connected with fan blades, the head shell comprises a cylinder body matched with the assembling through hole on the front end side, and the external threads are arranged on the wall surface of the cylinder body.
9. An improved circulation fan as defined in claim 1, wherein: the bottom of base is provided with the chassis, is equipped with the fixed axle of being connected with the base on the chassis, is equipped with driven gear ring on the fixed axle, install the oscillating motor in the base, be connected with in the axis of rotation of oscillating motor with driven gear ring engaged with driving gear, through the relative chassis axial swing of oscillating motor work drive base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122283463.1U CN216044557U (en) | 2021-09-18 | 2021-09-18 | Improved circulating fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122283463.1U CN216044557U (en) | 2021-09-18 | 2021-09-18 | Improved circulating fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216044557U true CN216044557U (en) | 2022-03-15 |
Family
ID=80599494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122283463.1U Active CN216044557U (en) | 2021-09-18 | 2021-09-18 | Improved circulating fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216044557U (en) |
-
2021
- 2021-09-18 CN CN202122283463.1U patent/CN216044557U/en active Active
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