CN212536192U - Circulating fan - Google Patents
Circulating fan Download PDFInfo
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- CN212536192U CN212536192U CN202020809464.8U CN202020809464U CN212536192U CN 212536192 U CN212536192 U CN 212536192U CN 202020809464 U CN202020809464 U CN 202020809464U CN 212536192 U CN212536192 U CN 212536192U
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- circulation fan
- middle frame
- head assembly
- hole
- net cover
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Abstract
The utility model discloses a circulation fan, it includes bracing piece, chassis and aircraft nose mechanism, and the chassis is installed in the bottom of bracing piece, and aircraft nose mechanism installs in the top of bracing piece for drive air flows, and wherein, the lateral wall of bracing piece is provided with the screw thread, and aircraft nose mechanism is provided with the screw hole, aircraft nose mechanism and bracing piece screw-thread fit. The utility model discloses a circulation fan is through setting up aircraft nose mechanism and bracing piece screw-thread fit, like this, the user of service not only can change the direction of blowing of aircraft nose mechanism promoting aircraft nose mechanism around bracing piece pivoted in-process, can adjust aircraft nose mechanism's height moreover, and it is very convenient to adjust. In addition, for current mechanism and elevating system of shaking the head about, foretell technical scheme, simple structure does benefit to the steady operation of circulation fan.
Description
Technical Field
The utility model relates to a household electrical appliances field especially relates to a circulation fan.
Background
The circulating fan is a device for generating air flow and comprises a supporting rod, a chassis assembly and a machine head mechanism, wherein the chassis assembly is installed at the bottom end of the supporting rod, the machine head mechanism is installed at the top end of the supporting rod, the machine head mechanism comprises fan blades and a motor used for driving the fan blades to rotate, and when the motor drives the fan blades to rotate, the fan blades compress air to generate air flow.
The existing circulating fan is convenient to use and is provided with a left-right oscillating function, the left-right oscillating function of the existing circulating fan is that a rotating shaft is arranged at the rear part of a motor, and a gear mechanism, a connecting mechanism component of a connecting rod mechanism and a rotating seat at the top of a supporting rod are arranged, when a motor drives a fan blade to rotate, the rotating shaft at the rear part of the motor synchronously rotates, and when a user presses an oscillating button, the rotating shaft at the rear part of the motor drives a head mechanism to swing left and right relative to the rotating seat at the top of the supporting rod through the gear mechanism and the connecting rod. The left-right oscillating mechanism is associated with the operation of the machine head mechanism, the structure is complex, the number of associated mechanisms is large, and the stable operation of the circulating fan is not facilitated.
In addition, current circulation fan is convenient for use, supporting mechanism sets up to height-adjustable more, current supporting mechanism's height-adjustable is through setting up a major diameter sleeve pipe and a minor diameter sleeve pipe, the minor diameter sleeve pipe is worn to establish in the major diameter sleeve pipe to through a fastening knob of installation at the sheathed tube lateral wall of major diameter, when the height of needs adjustment supporting mechanism, hold aircraft nose mechanism with the hand earlier, loosen the fastening knob, adjust the minor diameter sleeve pipe to preset height, fasten the knob again, it is very inconvenient to adjust.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model discloses a circulation fan can adjust aircraft nose subassembly's air-out direction and height conveniently.
In order to achieve the above object, the utility model provides a following technical scheme:
a circulation fan comprising:
a support bar;
the chassis is arranged at the bottom of the supporting rod;
the machine head mechanism is arranged at the top of the supporting rod and used for driving air to flow;
the outer side wall of the supporting rod is provided with threads, the machine head mechanism is provided with a threaded hole, and the machine head mechanism is in threaded fit with the supporting rod.
According to the above technical scheme, the utility model discloses a circulation fan through setting up aircraft nose mechanism and bracing piece screw-thread fit, like this, the user of service not only can change the direction of blowing of aircraft nose mechanism promoting aircraft nose mechanism around bracing piece pivoted in-process, can adjust aircraft nose mechanism's height moreover, and it is very convenient to adjust. In addition, for current mechanism and elevating system of shaking the head about, foretell technical scheme, simple structure does benefit to the steady operation of circulation fan.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.
Fig. 1 is a schematic structural diagram of a circulation fan according to an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of the circulation fan in the view of direction A in FIG. 1;
FIG. 3 is a schematic cross-sectional view B-B of FIG. 2;
fig. 4 is an exploded view of a circulation fan according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a circulation fan according to another embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in the specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.
Referring to fig. 1-4, an embodiment of the present invention discloses a circulating fan 100, which includes a support rod 10, a chassis 20 and a head mechanism 30, wherein the chassis 20 is installed at the bottom of the support rod 10, the head mechanism 30 is installed at the top of the support rod 10, the chassis 20 is used for the circulating fan 100 to be stably placed on the ground, and the head mechanism 30 is used for driving air to flow to form an air flow. Wherein, the lateral wall of bracing piece 10 is provided with the screw thread, and aircraft nose mechanism 30 is provided with the screw hole, and aircraft nose mechanism 30 and bracing piece 10 screw-thread fit.
After the technical scheme is adopted, the head mechanism 30 is in threaded fit with the supporting rod 10, so that the blowing direction of the head mechanism 30 can be changed and the height of the head mechanism 30 can be adjusted when a user pushes the head mechanism 30 to rotate around the supporting rod 10, and the adjustment is very convenient. In addition, for current left and right rocking mechanism and elevating system, foretell technical scheme, simple structure does benefit to circulating fan 100's steady operation.
In an alternative embodiment, the handpiece mechanism 30 comprises a handpiece assembly 31 and a threaded sleeve 32, the handpiece assembly 31 is provided with a through hole 101, the threaded sleeve 32 is arranged inside the handpiece assembly 31 and positioned at the through hole 101, the threaded sleeve 32 is provided with the threaded hole, and the support rod 10 penetrates through the handpiece assembly 31 and the threaded sleeve 32. By incorporating the screw 32 in the head assembly 31, the appearance of the circulation fan 100 is made more compact.
In an alternative embodiment, the handpiece assembly 31 includes a middle frame 311, a front mesh cover 312, a rear mesh cover 313, a fan blade 314, and a motor 315, wherein the front mesh cover 312 is connected to the front end of the middle frame 311, the rear mesh cover 313 is connected to the rear end of the middle frame 311, the fan blade 314 is disposed in the middle frame 311, the motor 315 is disposed in the middle frame 311 and connected to the fan blade 314, and the through hole 101 is disposed in the rear mesh cover 313 or the front mesh cover 312. It can be understood that, compared with the through hole 101 disposed in the middle frame 311, the through hole 101 disposed in the rear net cover 313 or the front net cover 312 can avoid the interference of the screw sleeve 32 with the fan blade 314.
In an alternative embodiment, the through hole 101 is disposed in the rear mesh cover 313, the through hole 101 has a central axis S, the rear mesh cover 313 has a symmetry axis M in the vertical direction, and the central axis S is spaced from the symmetry axis in parallel with the projection of the symmetry axis in the air outlet direction E of the head assembly 31. That is, the through hole 101 is formed at one side of the rear net cover 313 and is offset from the center of the rear net cover 313, so that the support bar 10 is also positioned at one side of the rear net cover 313, thereby reducing the obstruction of the support bar 10 to the airflow entering the rear net cover 313.
It should be noted that, because the supporting rod 10 is disposed on one side of the rear cover 313, a thrust force rotating around the supporting rod 10 is formed on the handpiece assembly 31 when the fan blade 314 rotates, and in order to avoid that the handpiece assembly 31 automatically rotates when the fan blade 314 rotates, a friction force between the handpiece assembly 31 and the supporting rod 10 should be set to be greater than the thrust force. In other embodiments, the user may adjust the head assembly 31 to a predetermined height by providing a fastener by which the head assembly 31 is locked to the support pole 10, and an alternative fastener may be a clip for abutting the head assembly 31. Of course, the central axis S and the symmetry axis M may be set so that the projections in the air outlet direction E of the head unit 31 coincide with each other.
In an alternative embodiment, at least one of the two ends of the screw sleeve 32 is provided with an arc shape matching the arc shape of the inner side wall of the rear net cover 313, and the end of the screw sleeve 32 abuts against the inner side wall of the rear net cover 313. The connection can be made in a glue or bolt fastening manner.
In an alternative embodiment, the bottom end of the screw sleeve 32 is provided with an arc shape, and the bottom end of the screw sleeve 32 abuts against the inner side wall of the rear net cover 313. The bottom end of the screw sleeve 32 is only arranged to be arc-shaped, so that the screw sleeve 32 can be conveniently machined. It is understood that both ends of the screw sleeve 32 may be arc-shaped, and both ends abut against the inner side wall of the rear net cover 313.
In an alternative embodiment, the base plate 20 and the head assembly 31 are both located on the same side of the support pole 10. The head assembly 31 is located at one side of the support rod 10, and the head assembly 31 can apply a downward torsion to the support rod 10, and by arranging the chassis 20 at the same side of the head assembly 31, the chassis 20 can apply an upward torsion to the support rod 10, so as to stably support the head assembly 31.
In an alternative embodiment, the center point of the chassis 20 is vertically aligned with the center point of the rear mesh cover 313.
Referring to fig. 5, an embodiment of the present invention further discloses a circulation fan 200, and the circulation fan 200 disclosed in this embodiment is different from the circulation fan 100 in that the arrangement manner of the screw sleeve is different, which is specifically embodied as follows: in this embodiment, the handpiece mechanism 30 ' includes a handpiece component 31 ' and a threaded sleeve 32 ', the threaded sleeve 32 ' is mounted on the outer surface of the handpiece component 3, the threaded sleeve 32 ' is provided with the threaded hole, and the support rod 10 ' passes through the threaded sleeve 32 '.
In an alternative embodiment, the threaded sleeve 32 'is mounted to the outer sidewall of the center frame 311'. In this way, the brace 10' does not provide an obstruction to airflow into the rear net cover. Of course, it is also possible that the threaded sleeve 32' is provided on the front net cover or the rear net cover.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope of the present invention, and these modifications or replacements should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A circulation fan, comprising:
a support bar;
the chassis is arranged at the bottom of the supporting rod;
the machine head mechanism is arranged at the top of the supporting rod and used for driving air to flow;
the outer side wall of the supporting rod is provided with threads, the machine head mechanism is provided with a threaded hole, and the machine head mechanism is in threaded fit with the supporting rod.
2. The circulation fan according to claim 1, wherein the head mechanism comprises:
the machine head assembly is provided with a through hole;
the threaded sleeve is arranged in the head assembly and located at the through hole, the threaded sleeve is provided with the threaded hole, and the support rod penetrates through the head assembly and the threaded sleeve.
3. The circulation fan of claim 2, wherein the head assembly comprises:
a middle frame;
the front net cover is connected with the front end of the middle frame;
the rear net cover is connected with the rear end of the middle frame;
the fan blade is arranged in the middle frame;
the motor is arranged in the middle frame and is connected with the fan blades;
wherein, the through-hole is located back net lid or preceding net lid.
4. The circulation fan as claimed in claim 3, wherein the through hole is formed in the rear net cover, the through hole has a central axis, the rear net cover has a symmetry axis in a vertical direction, and projections of the central axis and the symmetry axis in an air outlet direction of the head assembly are arranged in parallel at intervals.
5. The circulation fan according to claim 3, wherein at least one of both ends of the screw sleeve is formed in an arc shape matching the arc shape of the inner side wall of the rear net cover, and the end of the screw sleeve abuts against the inner side wall of the rear net cover.
6. The circulation fan according to claim 5, wherein a bottom end of the screw sleeve is formed in an arc shape, and the bottom end of the screw sleeve abuts against an inner side wall of the rear mesh cover.
7. The circulation fan of claim 3, wherein the chassis and the head assembly are both located on the same side of the support rod.
8. The circulation fan as claimed in claim 7, wherein a center point of the base pan is disposed opposite to a center point of the rear mesh cover in a vertical direction.
9. The circulation fan according to claim 1, wherein the head mechanism comprises:
a head assembly;
the threaded sleeve is arranged on the outer surface of the machine head assembly, the threaded hole is formed in the threaded sleeve, and the supporting rod penetrates through the threaded sleeve.
10. The circulation fan of claim 9, wherein the head assembly comprises:
a middle frame;
the front net cover is connected with the front end of the middle frame;
the rear net cover is connected with the rear end of the middle frame;
the fan blade is arranged in the middle frame;
the motor is arranged in the middle frame and is connected with the fan blades;
wherein, the swivel nut is installed in the lateral wall of center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020809464.8U CN212536192U (en) | 2020-05-14 | 2020-05-14 | Circulating fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020809464.8U CN212536192U (en) | 2020-05-14 | 2020-05-14 | Circulating fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212536192U true CN212536192U (en) | 2021-02-12 |
Family
ID=74541309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020809464.8U Active CN212536192U (en) | 2020-05-14 | 2020-05-14 | Circulating fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212536192U (en) |
-
2020
- 2020-05-14 CN CN202020809464.8U patent/CN212536192U/en active Active
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