CN209743220U - fan with cooling device - Google Patents
fan with cooling device Download PDFInfo
- Publication number
- CN209743220U CN209743220U CN201920214776.1U CN201920214776U CN209743220U CN 209743220 U CN209743220 U CN 209743220U CN 201920214776 U CN201920214776 U CN 201920214776U CN 209743220 U CN209743220 U CN 209743220U
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- Prior art keywords
- fan
- positioning
- rotating sleeve
- assembly
- fixing base
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- 238000001816 cooling Methods 0.000 title description 2
- 230000000994 depressogenic effect Effects 0.000 claims 1
- 238000005034 decoration Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 125000006850 spacer group Chemical group 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model provides a fan, fan includes: fixing base (10), rotationally set up head assembly (20) on fixing base (10), be equipped with rotating assembly on head assembly (20), rotating assembly has limited structure including rotating sleeve (40) on rotating sleeve (40), has on fixing base (10) and carries out spacing limit structure to limited structure's turned angle to the every single move angle of restriction head assembly (20). The technical scheme of the utility model can restrict aircraft nose assembly's every single move angle, and then prevent that aircraft nose assembly from following the too big condition that leads to the circuit to damage of same direction rotation angle, guarantee fan normal operating.
Description
Technical Field
The utility model relates to a small household electrical appliances technical field, concretely relates to fan.
Background
In the prior art, a fan comprises a mounting seat, fan blades, a driving device and a mesh enclosure assembly, the fan blades are mounted on the driving device, the driving device is mounted on the mesh enclosure assembly, the driving device is used for providing power for rotation of the fan blades, the mesh enclosure assembly is mounted on the mounting seat in a manner of being capable of being turned over up and down through a rotating shaft, the rotating shaft comprises a first rotating shaft and a second rotating shaft, and a power line of the driving device is connected with a control part on the mounting seat through the rotating shaft. If the mesh enclosure component rotates too much along the same direction relative to the mounting seat, the circuit can be damaged, and even the product can be scrapped.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a fan to solve among the prior art screen panel subassembly and lead to the problem that the circuit damaged along same direction rotation angle is too big easily for the mount pad.
in order to achieve the above object, the present invention provides a fan, including: the fixed seat, rotationally set up the head assembly on the fixed seat, be equipped with the runner assembly on the head assembly, the runner assembly includes the rotating sleeve, has limited structure on the rotating sleeve, has on the fixed seat to carry out spacing limit structure to limited structure's turned angle to limit head assembly's every single move angle.
Furthermore, the limited structure is a limited bulge, and the limiting structure is an arc-shaped limiting groove which is inwards sunken.
Further, the limited bulge is arranged on the outer peripheral surface of the outer end of the rotating sleeve, and the arc-shaped limiting groove is arranged on the outer side of the fixing seat.
Further, the rotating assembly further comprises two rotating shafts which are arranged oppositely, a rotating sleeve is sleeved on at least one rotating shaft, and a shaft hole for rotating the rotating sleeve is formed in the fixed seat.
Further, the rotating shaft is a fastener.
Further, the inner end of the rotating sleeve is clamped on the machine head assembly.
Furthermore, the outer peripheral surface of the inner end of the rotating sleeve is provided with at least one rotation stopping tangent plane, and the head assembly is provided with a clamping groove matched with the inner end of the rotating sleeve.
Furthermore, a positioning groove is formed in the end face of the inner end of the rotating sleeve, and a positioning protrusion matched with the positioning groove is formed in the handpiece assembly.
Further, the fan still includes the location structure that locks the aircraft nose subassembly after the rotation, and the location structure includes: the mounting groove is arranged on the machine head component, and the positioning ports are arranged on the fixed seat, or the mounting groove is arranged on the fixed seat, and the positioning ports are arranged on the machine head component; the elastic piece and the ball head rod are located in the installation groove, the first end of the elastic piece is abutted to or fixed to the groove bottom of the installation groove, the other end of the elastic piece is abutted to or fixed to the ball head rod, and the ball head rod is suitable for being clamped into any one of the positioning openings.
Further, when a plurality of location mouths set up on the fixing base, location structure still includes the spacer of fixing on the fixing base, and the spacer has the through-hole that supplies the rotation cover to wear to establish, and a plurality of location mouths set up on the spacer and set up around the through-hole.
Furthermore, the edge of the locating piece is provided with at least one flanging, and the fixed seat is provided with a bayonet for the flanging to be clamped in.
The utility model discloses technical scheme has following advantage: the limiting structure limits the rotation angle of the limiting structure on the rotating sleeve, so that the pitching angle of the head assembly is limited, the situation that the rotation angle of the head assembly in the same direction is too large to cause line damage is prevented, and normal operation of the fan is guaranteed. And the structure of the head assembly can be simplified by the arrangement of the rotating sleeve, the processing difficulty of the head assembly is reduced, and the processing cost is further reduced.
drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described 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 creative efforts.
Fig. 1 shows a partially exploded schematic view of a fan provided by the present invention;
FIG. 2 shows a schematic cross-sectional view of the fan of FIG. 1;
FIG. 3 shows an enlarged schematic view at A of the fan of FIG. 2;
FIG. 4 shows a side schematic view of the fan of FIG. 1;
FIG. 5 shows a partial schematic view of the mounting base of the fan of FIG. 4;
FIG. 6 shows a schematic view of a head assembly of the fan of FIG. 4;
FIG. 7 shows an enlarged schematic view at B of the handpiece assembly of FIG. 6;
FIG. 8 is an exploded view of the head assembly, spindle and rotating sleeve of the fan of FIG. 1;
FIG. 9 shows a perspective view of a rotating sleeve of the fan of FIG. 1;
FIG. 10 illustrates a perspective view of a locating tab of the fan of FIG. 1.
Description of reference numerals:
10. A fixed seat; 11. a base body; 12. a support frame; 121. a shaft hole; 122. an arc-shaped limiting groove; 123. a bayonet; 20. a head assembly; 21. a card slot; 22. positioning the projection; 23. installing a groove; 31. a rotating shaft; 40. rotating the sleeve; 41. a restricted protrusion; 42. cutting into a rotary stopping section; 43. a positioning groove; 51. an elastic member; 52. a ball-head rod; 53. positioning plates; 531. positioning the opening; 532. a through hole; 533. flanging; 60. and (6) a decorative cover.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all 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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to 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.
In the description of the present invention, it is to be noted that, 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; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
As shown in fig. 1 and 5, the fan of the present embodiment includes: fixing base 10, rotationally set up head assembly 20 on fixing base 10, be equipped with the runner assembly on head assembly 20, the runner assembly includes rotating sleeve 40, has limited structure on the rotating sleeve 40, has on the fixing base 10 to carry out spacing limit structure to the turned angle of limited structure to limit head assembly 20's every single move angle.
by using the fan of the embodiment, the limiting structure limits the rotation angle of the limiting structure on the rotating sleeve 40, so as to limit the pitching angle of the head assembly 20, thereby preventing the head assembly from being damaged by a circuit due to an overlarge rotation angle in the same direction, and ensuring the normal operation of the fan. And the structure of the head assembly can be simplified by the arrangement of the rotating sleeve, the processing difficulty of the head assembly is reduced, and the processing cost is further reduced.
In this embodiment, as shown in fig. 4 and 5, the limiting structure is the limiting protrusion 41, the limiting structure is the inward-recessed arc-shaped limiting groove 122, an angle formed by two end walls of the arc-shaped limiting groove 122 is an angle range of the rotation of the head assembly 20, so as to limit the pitch angle of the head assembly, and the arc-shaped limiting groove 122 is convenient to manufacture and low in cost. Of course, the limiting structure can also be two limiting plates which protrude outwards and are arranged at intervals.
in this embodiment, the restricted protrusion 41 has an arc shape, so as to be conveniently matched with the arc-shaped limiting groove 122.
In the present embodiment, as shown in fig. 1, 5 and 9, the restricted protrusion 41 is provided on the outer circumferential surface of the outer end of the rotating sleeve 40, and the arc-shaped limiting groove 122 is provided on the outer side of the fixing base 10, so that the rotating sleeve is conveniently assembled, and the assembly efficiency is improved. Of course, the arc-shaped limiting groove can also be arranged on the inner side of the fixing seat.
In this embodiment, as shown in fig. 2, fig. 3 and fig. 5, the rotating assembly further includes two rotating shafts 31 disposed oppositely, one rotating shaft 31 is sleeved with a rotating sleeve 40, the fixing base 10 is provided with a shaft hole 121 for the rotating sleeve 40 to rotate, and the two rotating shafts 31 are respectively located at the left and right ends of the handpiece assembly 20. Of course, each rotating shaft is sleeved with a rotating sleeve.
In this embodiment, the rotating shaft 31 is a fastening member, and plays a role in fastening the fixing base and the head assembly on the premise of ensuring the normal rotation of the head assembly 20.
In this embodiment, as shown in fig. 1 and 5, the inner end of the rotating sleeve 40 is clamped on the head assembly 20, and the rotating sleeve 40 is directly clamped on the head assembly 20 through the shaft hole 121 during assembly, so that the assembly is simple and convenient, and the assembly efficiency is improved.
in this embodiment, as shown in fig. 6 to 9, the outer peripheral surface of the inner end of the rotating sleeve 40 has two opposite rotation stopping cut surfaces 42, and the handpiece assembly 20 has a slot 21 matching with the inner end of the rotating sleeve 40, so that the rotating sleeve 40 cannot rotate freely relative to the handpiece assembly after being inserted into the slot 21, and the rotating sleeve and the handpiece assembly cannot rotate relatively. The part of the rotating sleeve 40 between the rotation stopping tangent surface 42 and the limited protrusion 41 forms a rotating part, in other words, the rotating sleeve 40 comprises a first section and a second section which are connected, the outer diameter of the first section is larger than that of the second section, the limited protrusion 41 is arranged on the first section, the rotation stopping tangent surface 42 is arranged on the outer peripheral surface of the inner end of the second section, and the outer end of the second section forms a rotation stopping part, namely the second section can not be cut to the bottom, so that the rotating sleeve 40 can normally rotate relative to the shaft hole. Of course, one rotation stopping tangent plane may be provided, and the number of the rotation stopping tangent planes is not limited thereto, and needs to be selected according to specific situations.
In this embodiment, as shown in fig. 1, 7 and 9, the end surface of the inner end of the rotating sleeve 40 has a positioning groove 43, the bottom of the slot 21 has a positioning protrusion 22 matching with the positioning groove 43, and the positioning protrusion 22 matches with the positioning groove 43 to prevent misassembly and also play a role in stopping rotation. Specifically, the positioning groove 43 penetrates the inner and outer circumferential surfaces of the rotating sleeve 40.
In this embodiment, as shown in fig. 2, 3 and 10, the fan further includes a positioning structure for locking the rotated handpiece assembly 20, and the positioning structure includes: the mounting groove 23, the positioning holes 531, the elastic element 51 and the ball rod 52 are arranged on the machine head assembly 20, and the positioning holes 531 are arranged on the fixed seat 10; a first end of the elastic member 51 abuts against the groove bottom of the mounting groove 23, the other end of the elastic member 51 abuts against the ball rod 52, and the ball rod 52 is adapted to be snapped into any one of the plurality of positioning openings 531. When the hand rotates the head assembly 20, drive the pivot 31 and rotate the cover 40 simultaneously, when the effort that acts on the bulb pole 52 is greater than the effort of elastic component 51, the bulb pole 52 slips out from a location mouth 531, bulb pole 52 misplaces with location mouth 531, make elastic component 51 compressed, thereby make head assembly 20 can smoothly rotate, after rotating suitable location mouth 531, elastic component 51 resets, bulb pole 52 blocks in location mouth 531 again, make head assembly 20 fix this angle in the condition that does not have external force, lock head assembly, realize that head assembly is fixed motionless. Of course, the first end of the elastic element can be fixed with the groove bottom of the mounting groove, and the other end of the elastic element can be fixed with the ball head rod.
in this embodiment, the positioning structure further includes a positioning plate 53 fixed on the fixing base 10, the positioning plate 53 has a through hole 532 for the rotating sleeve 40 to pass through, the plurality of positioning holes 531 are disposed on the positioning plate 53 and are disposed around the through hole 532, at this time, the positioning plate 53 is fixed, and the ball rod 52 rotates along with the head assembly 20. The structure of spacer is convenient to process, reduces the processing degree of difficulty of fixing base, reduction in production cost. Specifically, location mouth 531 is the location round hole, and a plurality of location round holes surround through-hole 532 align to grid, and adjustable angle is many, satisfies the requirement of user's angle of blowing, promotes user experience.
In this embodiment, the edge of the positioning plate 53 has four flanges 533, and the other of the holder 10 and the handpiece assembly 20 has a bayonet 123 for the flanges 533 to be inserted into, and when assembling, the four flanges 533 are directly inserted into the corresponding bayonet 123, so that the positioning plate 53 is reliably clamped on the holder 10, the assembling is simple and convenient, and the assembling time is shortened. Of course, the number of the flanges is not limited to this, and needs to be selected according to specific situations.
During assembly, the ball rod 52 and the elastic element 51 are horizontally arranged in the mounting groove 23, the positioning plate 53 is clamped on the fixed seat 10, the inner end of the rotating sleeve 40 penetrates through the fixed seat 10 and the through hole 532 of the positioning plate 53 and is inserted into the clamping groove 21, and finally the fastener penetrates through the rotating sleeve 40 and is fixed on the handpiece assembly 20, so that the rotating shaft also plays a role of a fastener. Specifically, the fastener is a bolt, and the bolt passes through the rotating sleeve 40 and a through hole on the handpiece assembly 20 to be connected with a nut. Of course, the fastener could also be a screw, in which case the nose assembly would have a threaded hole that mates with the screw.
In this embodiment, as shown in fig. 1, the fan further includes a decoration cover 60 fixed on the fixing base 10, the decoration cover 60 covers the rotating shaft 31 and the rotating sleeve 40, and the decoration cover 60 plays a role of decoration, so that the appearance is more neat and beautiful.
In this embodiment, as shown in fig. 1 and fig. 5, the fixing base 10 includes a base 11 and two supporting frames 12 oppositely disposed on the base 11, and the shaft hole 121, the arc-shaped limiting groove 122, and the bayonet 123 are all disposed on the supporting frames 12.
As an alternative, the rotary sleeve is fixed directly on the rotary shaft.
As an alternative embodiment, the rotation stopping tangent plane is not arranged on the rotation sleeve, only the positioning groove is arranged, and at the moment, the clamping groove is not arranged on the machine head assembly, and only the positioning protrusion protruding outwards is arranged.
In an alternative embodiment, the rotating sleeve is not provided with a rotation stopping tangent plane, only a positioning groove is provided, and the handpiece assembly is provided with a circular groove matched with the end part of the rotating sleeve, and the bottom of the circular groove is provided with a positioning bulge protruding outwards.
As an alternative embodiment, a plurality of positioning openings are directly arranged on the fixed seat without arranging positioning sheets.
As an alternative embodiment, the mounting groove is arranged on the fixed seat, the positioning piece is arranged on the head component, and the positioning piece rotates along with the head component at the moment, and the ball head rod is fixed.
From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:
The rotating sleeve is provided with a limited bulge, the support frame is provided with an arc-shaped limiting groove, so that the machine head component rotates relative to the support frame to control the pitching angle of the machine head component. The ball head rod and the elastic piece are horizontally arranged, the elastic piece does not need to be pre-pressed for installation, the assembly is convenient, and the installation convenience is improved.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (11)
1. a fan, comprising: fixing base (10), rotationally set up head assembly (20) on fixing base (10), be equipped with the runner assembly on head assembly (20), the runner assembly includes rotating sleeve (40), the last restricted structure that has of rotating sleeve (40), it is right to have on fixing base (10) restricted structure's turned angle carries out spacing limit structure, in order to restrict the every single move angle of head assembly (20).
2. The fan as claimed in claim 1, wherein the limiting structure is a limiting protrusion (41) and the limiting structure is an arc-shaped limiting groove (122) which is inwardly depressed.
3. The fan as claimed in claim 2, wherein the restricted protrusion (41) is provided on an outer circumferential surface of an outer end of the rotary sleeve (40), and the arc-shaped restriction groove (122) is provided on an outer side of the fixing base (10).
4. The fan according to claim 1, wherein the rotating assembly further comprises two rotating shafts (31) arranged oppositely, the rotating sleeve (40) is sleeved on at least one of the rotating shafts (31), and a shaft hole (121) for the rotating sleeve (40) to rotate is arranged on the fixed seat (10).
5. the fan according to claim 4, wherein the shaft (31) is a fastener.
6. The fan of claim 1, wherein an inner end of the rotating sleeve (40) snaps onto the head assembly (20).
7. the fan as claimed in claim 6, wherein the inner end of the rotating sleeve (40) has at least one rotation stop surface (42) on its outer circumferential surface, and the head assembly (20) has a slot (21) engaged with the inner end of the rotating sleeve (40).
8. The fan as claimed in claim 6, wherein the inner end of the rotating sleeve (40) has a positioning groove (43) on an end surface thereof, and the head assembly (20) has a positioning protrusion (22) thereon which is engaged with the positioning groove (43).
9. The fan of claim 1, further comprising a positioning structure that locks the rotated handpiece assembly (20),
The positioning structure includes:
The mounting structure comprises a mounting groove (23) and a plurality of positioning holes (531), wherein the mounting groove (23) is arranged on the handpiece assembly (20), and the plurality of positioning holes (531) are arranged on the fixed seat (10), or the mounting groove (23) is arranged on the fixed seat (10), and the plurality of positioning holes (531) are arranged on the handpiece assembly (20);
Elastic component (51) and bulb pole (52), be located in mounting groove (23), the first end of elastic component (51) with the tank bottom butt of mounting groove (23) or fixed, the other end of elastic component (51) with bulb pole (52) butt or fixed, bulb pole (52) are suitable for a plurality of the card is gone into in any one in location mouth (531).
10. The fan as claimed in claim 9, wherein when the plurality of positioning holes (531) are disposed on the fixing base (10), the positioning structure further comprises a positioning plate (53) fixed on the fixing base (10), the positioning plate (53) has a through hole (532) for the rotating sleeve (40) to pass through, and the plurality of positioning holes (531) are disposed on the positioning plate (53) and surround the through hole (532).
11. The fan as claimed in claim 10, wherein the edge of the positioning plate (53) has at least one flange (533), and the fixing base (10) has a bayonet (123) for the flange (533) to be clipped in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920214776.1U CN209743220U (en) | 2019-02-19 | 2019-02-19 | fan with cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920214776.1U CN209743220U (en) | 2019-02-19 | 2019-02-19 | fan with cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209743220U true CN209743220U (en) | 2019-12-06 |
Family
ID=68707521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920214776.1U Active CN209743220U (en) | 2019-02-19 | 2019-02-19 | fan with cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209743220U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114810654A (en) * | 2022-05-05 | 2022-07-29 | 宁波先锋电器制造有限公司 | Fan pitching rotating shaft locking structure and fan with same |
-
2019
- 2019-02-19 CN CN201920214776.1U patent/CN209743220U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114810654A (en) * | 2022-05-05 | 2022-07-29 | 宁波先锋电器制造有限公司 | Fan pitching rotating shaft locking structure and fan with same |
| CN114810654B (en) * | 2022-05-05 | 2024-05-31 | 宁波先锋电器制造有限公司 | Rotating shaft locking structure for pitching of fan and fan with same |
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