CN2122252U - Electric fan - Google Patents
Electric fan Download PDFInfo
- Publication number
- CN2122252U CN2122252U CN 91224988 CN91224988U CN2122252U CN 2122252 U CN2122252 U CN 2122252U CN 91224988 CN91224988 CN 91224988 CN 91224988 U CN91224988 U CN 91224988U CN 2122252 U CN2122252 U CN 2122252U
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- groove
- electric fan
- support
- electric machine
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Abstract
The utility model relates to an electric fan whose support stand post is provided with a spring inside and is divided into three sections. The lower end of a supporting component is provided with a swinging adjusting screw. The portion of a middle connection body corresponding to the screw is provided with a concave slot in order to enable the head portion of the electric fan to rotate between 5 to 25 DEG by the swinging adjusting screw. An adjustable lockout mechanism for positioning is also provided between the supporting component and a support bracket of an electric motor to enable the enable the head portion of the electric fan to swing in pitching and different stages to be automatically locked after reaching the position. The utility model has the advantages of convenient operation, flexible operation and simple structure.
Description
The utility model relates to a kind of electric fan, relates in particular to the electric fan of a kind of adjusting height and flabellum axis pivot angle.
The height of electric fan of the prior art is regulated and is adopted the pull-rod type structure usually, by unclamping clamp-screw, outwards pulls out pull bar when regulating, and screws the adjusting that clamp-screw is realized height again.And the adjusting of blade oscillating angle (pitching angle) also is the form that adopts clamp-screw usually.The deficiency of this regulative mode is to regulate inconvenient operation, and is dumb.
The electric fan that provides a kind of regulation range wide and easy to adjust is provided the purpose of this utility model.
The purpose of this utility model is achieved by following technical measures: a kind of electric fan, comprise drive motor, flabellum, protective housing, be provided with the hollow active column that can slide vertically therein in the hollow pillar stand of base coaxially, the lower ending opening of the hollow pillar stand of base is by the end cap block, the upper end open of hollow active column is by the intermediate connector block that is connected with this column upper end, form chamber thus, spring places chamber along the axis of active column, the upper end of the hollow pillar stand of base is provided with the adjustment screw of the position that is used for fixing active column, suit is thereon coaxially for support and intermediate connector, swing is adjusted screw and is matched with support, in the groove on its end insertion intermediate connector, support is connected by bearing pin with electric machine support, and the bottom that electric machine support inserts in the support groove is provided with adjustable location locking mechanism.
The length of the groove on the intermediate connector guarantees to make the relative intermediate connector of support around its 5 °～30 ° angles of axis swing by adjusting swing adjustment screw.
Described adjustable location locking mechanism comprises, surrounds the location cell body of electric machine support head, and a side of location cell body has positioning groove; Be arranged at the electric machine support head and the positioning groove opposite position is provided with steel ball, steel ball is pressed in the positioning groove by spring.
In the head recess of electric machine support, also be provided with and be used to torsion spring that electric machine support is resetted.
Active column offers a movable groove along its axis with respect to adjusting screw.
The hollow pillar stand upper end portion of base is provided with outside boss according to the whole screw place of claim, and the boss inboard is provided with groove, is provided with clamping block between movable groove and groove.
Clamping block is provided with non-slip groove with respect to the surface of movable groove.
It is circular-arc that positioning groove is, and its upside arc section is made up of semicircle projection, and its downside arc section is divided into 2～5 sections.
The location cell body is connected by bearing pin and support, and electric machine support and support are articulated and connected by bearing pin.
Power switch and proportioner are arranged on the base, and the endoporus of power line by the interior aperture intermediate connector of chamber and spring is to drive motor.
Therefore the utility model after unclamping the adjustment screw, need not get final product extrapolated pull bar by spring force to external efficient moving column owing to be provided with spring in the base column, during to needed height, only need screw the adjustment screw and get final product; Other working state owing on active column, be provided with movable groove, therefore when active column is protruding, can not produce rotation or other misoperation again, but outside correct rail guiding, stretch out, so after highly regulating, all can not change; Because the utility model has adopted adjustable location locking mechanism, therefore when regulating the flabellum luffing angle, do not operate the tired lock of lock screw, only needing to move the electric fan head to desired orientation gets final product, arrive the precalculated position and also automatically lock,, made things convenient for operation so simplified regulative mode; Because the utility model has adopted multistage column, on intermediate connector, be provided with groove again, can adjust the direction of electric fan head so again in the horizontal direction, controlled wind direction, thereby further enlarged the scope of adjusting; Because adopted above-mentioned horizontal wind direction to adjust mode, saved the substantially horizontal wind direction control mechanism in the electric fan of shaking the head automatically, thereby mechanism of the present utility model is simplified, reduced cost.Because the utility model has adopted multistage high column structure, therefore promptly can be used as desk fan can be used as pedestal fan again, has realized a tractor serves several purposes.
Below along with in conjunction with the accompanying drawings with the mode of specific embodiment detailed description to technical solution provided by the utility model, will make advantage of the present utility model and effect become more clear and distinctive.Wherein:
Fig. 1 is the general illustration of the utility model electric fan;
Fig. 2 is the partial sectional view behind the omission electric fan head among Fig. 1;
Fig. 3 is the detailed local amplification view of the adjustable location locking mechanism of expression, promptly along the sectional view of A-A line among Fig. 2;
Fig. 4 is the enlarged view of G part among Fig. 3;
Fig. 5 is the partial view that channel upper groove shape is located in expression in detail;
Fig. 6 is a partial view of representing intermediate connector upper groove shape and position in detail.
In Fig. 1, overall with sequence number 1 expression electric fan, as can be seen from the figure, the present embodiment electric fan comprises blade assembly, drive motor, and protective housing and supporting part, piano key switch 29 and timer 28 and adjustment knob thereof all are arranged on the panel of base 2.
Fig. 2 be omit present embodiment electric fan parts such as flabellum, protective housing and drive motor innings cut open sectional view.Sequence number 2 expression bases among the figure, base 2 has rectangular chassis, and heart position has and chassis all-in-one-piece hollow pillar stand straight up therein, and the transverse section outer surface of this column is oval, also can be cylinder or rectangle or other shape, its endoporus be generally circle.The hollow active column 4 that in described endoporus, has external diameter and its internal diameter to be complementary.The lower inner surface on chassis is recessed inwards, and the place is provided with an end cap 3 at corresponding hollow pillar stand lower ending opening.The center of end cap 3 is provided with a hole that can allow power line therefrom to pass.Screw 17 is fixed in end cap 3 on the concave inner surface on chassis.The upper end of hollow active column 4 is fixed with an intermediate connector 9, this connecting body 9 is the boss scalariform, its lower end major diameter equates that with the external diameter of movable hollow pillar stand 4 this connecting body 9 can be fixed on the upper-end surface of hollow active column 4 with the screw (not shown).Form a plenum chamber 20 thus.Cylinder-shaped compression spring 5 both placed this chamber 20 along the endoporus of hollow active column 4, and the external diameter of spring 5 is greater than the diameter of the endoporus of end cap 3 and intermediate connector 9.There is an outside convex portion upper end of the hollow pillar stand of base 20, on this convex portion, is provided with a tapped hole perpendicular to the hollow pillar stand axial direction, adjusts screw 6 and places this tapped hole.This convex portion is offered groove 25 one towards hollow pillar stand endoporus one side, and groove 25 extends downwards along its axis from the upper-end surface of hollow pillar stand.Corresponding with above-mentioned groove 25, a movable groove 8 that extends downwards on the outer surface along its axis is also arranged on hollow active column 4.In groove 25 and movable groove 8 corresponding spaces, be provided with a clamping block 7.Have the non-slip groove that is used to prevent from after locking, to occur slip on the outer surface of clamping block 7 with respect to movable groove 8.
The internal orifice dimension of the smaller diameter end of intermediate connector 9 and support 11 matches and is placed in one.The hollow pillar stand of the cross-sectional profiles of support 11 and base 2 identical, it is forked that its head then is, direction in supporting element 11 upper edges perpendicular to its axis is provided with a tapped hole, and the swing that is complementary is with it adjusted screw 10 and is placed in one, and the length of this screw is greater than the wall thickness of supporting element 11.In intermediate connector 9 and above-mentioned screw 10 corresponding sections, have a through hole or a groove 16(and see Fig. 6) along its extending circumferentially, this through hole or groove 16 two-end-point in a circumferential direction are about 5 ° to 20 ° with the angle that the center of circle became of intermediate connector 9, promptly to guarantee that support 11 can rotate about 5 ° to 20 ° with respect to intermediate connector 9 and be as the criterion.The termination of swing adjustment screw 10 is promptly inserted in through hole or the groove 16 and is played the role of positioning.Insert in the forked type groove of support 11 upper ends the underpart of electric machine support 21, and by pin 27 both can swingingly be articulated and connected mutually.Adjustable location locking mechanism is in the gap location between electric machine support 21 and the support 11.
Referring to Fig. 3 to 5, wherein Fig. 3 amplifies and has represented adjustable location locking mechanism.This mechanism comprises a location cell body 12, and the width of its groove is identical with the thickness of the underpart of electric machine support 21.This location cell body 12 can form with thick iron plate the bending in the 1.5mm left and right sides, offers positioning groove 23 on the vertical side of cell body.Positioning groove 23 is circular-arc, as shown in Figure 5.Its upside arc section is that semicircle projection is formed, and is three semicircle projections in the present embodiment.But the retaining number that the quantity of this part can be regulated is as required set.Its downside arc section is divided into 3 sections, but the retaining number that described hop count also can be regulated as required sets, as can be 2 to 5 sections etc.
Be provided with a groove 24 in the lower end of electric machine support 21, wherein install a torsion spring 13, this torsion spring 13 is used to make electric machine support 21 to reset flexibly.One end of torsion spring 13 is fixed in groove 24 bottoms, and its other end then is connected with location cell body 12.One sidewall of location cell body 12 is fixed on the supporting element 11.Also high in the lower end of electric machine support 21 have a locking ball 14, and its thin bilge construction can be with reference to partial enlarged drawing 4.Wherein steel ball 14 is placed in the hole, and the back of steel ball 14 also is provided with spring 15, in order to steel ball 14 is pressed in the positioning groove 23.
Claims (10)
1, a kind of electric fan, comprise drive motor, flabellum, protective housing, it is characterized in that, be provided with the hollow active column 4 that can slide vertically therein in the hollow pillar stand of base 2 coaxially, the lower ending opening 18 of the hollow pillar stand of base 2 is by end cap 3 block, the upper end open 19 of hollow active column 4 is by intermediate connector 9 block that are connected with this column upper end, form chamber 20 thus, spring 5 places chamber 20 along the axis of active column 4, the upper end of the hollow pillar stand of base 2 is provided with the adjustment screw 6 of the position that is used for fixing active column 4, suit is thereon coaxially for support 11 and intermediate connector 9, swing is adjusted screw 10 and is matched with support 11, in the groove 16 on its end insertion intermediate connector 9, support 11 and electric machine support 21 are connected by bearing pin, and the bottom that motor frame 21 inserts in supports 11 grooves is provided with adjustable location locking mechanism.
2, electric fan according to claim 1 is characterized in that, the length of the groove 16 on the intermediate connector 9 guarantees to make support 11 relative intermediate connectors 11 around its 5 °～30 ° angles of axis swing by adjusting swing adjustment screw 10.
3, electric fan according to claim 1 is characterized in that, described adjustable location locking mechanism comprises, surrounds the location cell body 12 of electric machine support 21 heads, and a side of location cell body 12 has positioning groove 23; Be provided with steel ball 14 at electric machine support 21 heads and positioning groove 23 opposite positions, steel ball 14 is pressed in the positioning groove 23 by spring 15.
4, electric fan according to claim 3 is characterized in that, also is provided with to be used to torsion spring 13 that electric machine support 21 is resetted in the head recess 24 of electric machine support 21.
5, electric fan according to claim 1 is characterized in that, active column 4 offers a movable groove 8 along its axis with respect to adjusting screw 6.
According to right 5 described electric fans, it is characterized in that 6, the hollow pillar stand upper end portion of base 2 is provided with outside boss with respect to whole screw 6 places, the boss inboard is provided with groove 25, is provided with clamping block 7 between movable groove 8 and groove 25.
7, electric fan according to claim 6 is characterized in that, clamping block 7 is provided with non-slip groove with respect to the surface of movable groove 8.
8, electric fan according to claim 3 is characterized in that, positioning groove 23 is circular-arc, and its upside arc section is made up of semicircle projection, and its downside arc section is divided into 2～5 sections.
According to claim 1 and 3 and 8 described electric fans, it is characterized in that 9, location cell body 12 is connected by bearing pin 26 and support 11, electric machine support 21 is articulated and connected by bearing pin 27 with support 11.
10, electric fan according to claim 1 is characterized in that, power switch 29 and proportioner 28 are arranged on the base 2, and the endoporus of power line by the interior aperture intermediate connector 9 of chamber 20 and spring 5 is to drive motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91224988 CN2122252U (en) | 1991-09-18 | 1991-09-18 | Electric fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91224988 CN2122252U (en) | 1991-09-18 | 1991-09-18 | Electric fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2122252U true CN2122252U (en) | 1992-11-18 |
Family
ID=4931347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91224988 Granted CN2122252U (en) | 1991-09-18 | 1991-09-18 | Electric fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2122252U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105570166A (en) * | 2015-09-02 | 2016-05-11 | 广东美的环境电器制造有限公司 | Fan head part, vertical fan, wall hanging type fan, household electrical appliance and air blowing method |
-
1991
- 1991-09-18 CN CN 91224988 patent/CN2122252U/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105570166A (en) * | 2015-09-02 | 2016-05-11 | 广东美的环境电器制造有限公司 | Fan head part, vertical fan, wall hanging type fan, household electrical appliance and air blowing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Wanshan District Industrial Co. ltd. Zhuhai City Document name: Payment notice |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |