A kind of flooring fan
Technical field
The present invention relates to a kind of fans, more particularly to a kind of flooring fan.
Background technique
Fan is a kind of traditional tool of enjoying the cool, and fan is rotated using electrical energy drive flabellum, the fan agitation air of rotation
Make air flowing to achieve the effect that enjoy the cool, fan is very practical during the broiling summer.
Flooring fan is one kind of fan, and flooring fan is generally made of fan head, elevating lever and pedestal, and fan head can be left
Right swing, to increase the range of blowing, but traditional flooring fan is put after putting well, and the blowing range of fan is just it has been determined that work as
When required blowing position is not within the scope of the blowing of fan, people usually need to lift court of the entire fan to adjust fan
To very arduously, especially for the lesser user of strength, using being inconvenient.
It is those skilled in the art's urgent problem in conclusion how easily to adjust the direction of flooring fan.
Summary of the invention
The object of the present invention is to provide a kind of flooring fan, solve traditional flooring fan adjust fan towards when ten
Divide laborious problem.
In order to solve the above technical problems, the invention provides the following technical scheme: a kind of flooring fan, including fan head, rise
It drops bar and pedestal, the pedestal includes upper bed-plate and lower bottom base, the upper bed-plate is rotatably arranged in the upper of the lower bottom base
Side is equipped with positioning mechanism between the upper bed-plate and the lower bottom base, the positioning mechanism is for limiting the upper bed-plate and institute
State the relative rotation between lower bottom base.
Further, the middle part of the bottom of the upper bed-plate is equipped with newel, sets in the middle part of the upper surface of the lower bottom base
Have cylindrical central sleeve, the cylindrical central sleeve is set on the newel, and the newel can in the cylindrical central sleeve around
The central axes of the cylindrical central sleeve rotate, and the upper surface of the lower bottom base is equipped with ring raceway, the bottom week of the upper bed-plate
To several multi-directional balls are equipped at intervals with, when the upper bed-plate is rotated relative to the lower bottom base, several multi-directional balls are in the ring
It is rolled in shape raceway.
Further, the positioning mechanism includes: swing component, and the middle part of the swing component is articulated in by the first pivot
The top of the lower bottom base;Scroll wheel, the scroll wheel are articulated in the top of one end of the swing component, and the scroll wheel turns
Shaft line is arranged along vertical direction, and the scroll wheel is accommodated in the cavity of the bottom of the upper bed-plate, and the scroll wheel
Outer peripheral surface contradict on the internal perisporium of the cavity, circumferentially uniform intervals are provided with several on the internal perisporium of the cavity
Recessed portion, the scroll wheel can be fastened in the recessed portion;Extension spring, one end of the extension spring are fixedly connected on institute
It states on the other end of swing component, the other end of the extension spring is fixed on the lower bottom base by column;Wherein, institute is manipulated
When stating upper bed-plate and rotating relative to the lower bottom base, the scroll wheel is detached from out of a recessed portion, and the scroll wheel drives described
Swing component rotation, the swing component pull the extension spring, and elastic deformation occurs for the extension spring, then in the stretching
It is fastened under the action of the elastic force of spring in adjacent recessed portion.
Further, the swing component has the first lever arm, the second lever arm and interconnecting piece, first lever arm and described
The mutually close one end of second lever arm is connected on the interconnecting piece, and the scroll wheel is articulated in the another of first lever arm
On end, one end of the extension spring is connected on the other end of second lever arm.
Further, the medial surface of the recessed portion includes arc surface and a pair of of guide surface, a pair of of guide surface pair
Claim the both ends for being connected to the arc surface, and the guide surface and the arc surface are tangent.
Further, the mutually close guide surface of two neighboring recessed portion is connected by the transition of transition cambered surface.
Further, the periphery of the lower bottom base is equipped with auxiliary handle, in order to which people's manipulation upper bed-plate is opposite
The lower bottom base rotation.
Further, the periphery of the lower bottom base is equipped with the first groove, and the auxiliary handle can be housed in described the
In one groove.
Further, the rear end of the auxiliary handle is articulated on the rear end of first groove, first groove
Front end face be equipped with the first protrusion, the front end of the auxiliary handle is equipped with the second protrusion, and second protrusion can be fastened on described
The inside of first protrusion, so that the auxiliary handle can be connected together in first groove.
It can be seen from above-mentioned technical proposal the invention has the following advantages:
In the present invention, adjust fan towards when, first pull auxiliary handle, make auxiliary handle front end screw out the first groove,
Then a hand holds auxiliary handle, and another hand reverses the lower part of elevating lever, rotates upper bed-plate relative to lower bottom base, and scroll wheel exists
It is rolled on the internal perisporium of cavity, until adjusting the direction of fan, then slightly adjusts upper bed-plate, be fastened on scroll wheel recently
Recessed portion in, can be effectively prevented upper bed-plate with respect to lower bottom base occur unintentional rotation, it is recessed that auxiliary handle is finally housed in first
In slot, process is entirely adjusted, it is simple, convenient, and entire fan need not be moved, it is very laborsaving.
The present invention is described in further detail with reference to the accompanying drawings and detailed description.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is broken section structural schematic diagram of the invention.
Fig. 3 be Fig. 2 in A-A to schematic cross-sectional view.
Fig. 4 is the present invention looks up structural representation of upper bed-plate of the invention.
Fig. 5 is the overlooking structure diagram of lower bottom base of the invention.
Fig. 6 is the enlarged structure schematic diagram at the B in Fig. 5.
Description of symbols: fan head 1, elevating lever 2, upper bed-plate 3, mounting groove 31, cavity 32, recessed portion 321, arc surface
3211, guide surface 3212, transition cambered surface 3213, annular groove 33, newel 34, long arc-shaped holes 35, reception hole 36, lower bottom base 4,
Ring raceway 41, cylindrical central sleeve 42, the first groove 43, the first protrusion 431, the second groove 44, jack 45, multi-directional ball 5, localization machine
Structure 6, the first lever arm 611, through-hole 6111, the second lever arm 612, hanging hole 6121, interconnecting piece 613, scroll wheel 62, is drawn swing component 61
Stretch spring 63, the first pivot 64, column 65, the second pivot 66, auxiliary handle 7, main body 71, the second protrusion 711, projected board 72,
Three pivots 8, bolt 9, flat thin magnet 10.
Specific embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be defined by the claims
Implement with the multitude of different ways of covering.
Below with reference to Fig. 1 to Fig. 6, the invention will be further described, a kind of flooring fan as shown in Figure 1, including fan
First 1, the upper end of elevating lever 2 is arranged in elevating lever 2 and pedestal, fan head 1, and the lower end of elevating lever 2 is fixed on the base, pedestal packet
Upper bed-plate 3 and lower bottom base 4 are included, upper bed-plate 3 is rotatably arranged in the top of lower bottom base 4, and the lower end of elevating lever 2 is fixed on bottom
On seat 3, the bottom of upper bed-plate 3 is equipped with cavity 32, and the middle part of cavity 32 is equipped with newel 34, the middle part of the upper surface of lower bottom base 4
Equipped with cylindrical central sleeve 42, cylindrical central sleeve 42 is set on newel 34, is circumferentially equipped at intervals on the peripheral part of the bottom of upper bed-plate 3
Several multi-directional balls 5, several multi-directional balls 5 are separately mounted in several mounting grooves 31 of the bottom of upper bed-plate 3, lower bottom base 4
Upper surface be equipped with ring raceway 41, when upper bed-plate 3 is rotated with respect to lower bottom base 4, newel 34 is in cylindrical central sleeve 42 turn
Dynamic, several multi-directional balls 5 roll in ring raceway 41.
In the present embodiment, as shown in Figure 1, Figure 2, Figure 3, Figure 4, positioning mechanism 6 is equipped between upper bed-plate 3 and lower bottom base 4, it is fixed
Position mechanism 6 includes swing component 61, scroll wheel 62 and extension spring 63, and swing component 61 is articulated in lower bottom base 4 by the first pivot 64
Top, swing component 61 is V-shaped, swing component 61 have the first lever arm 611, the second lever arm 612 and interconnecting piece 613, first
The one end mutually close with the second lever arm 612 of lever arm 611 is connected on interconnecting piece 613, and interconnecting piece 613 is articulated in the first pivot
On 64, scroll wheel 62 is articulated in the top of one end away from the second lever arm 612 of the first lever arm 611, rolling by the second pivot 66
The pivot center of driving wheel 62 is arranged along vertical direction, and scroll wheel 62 is accommodated in the cavity 32 of the bottom of upper bed-plate 3, and is rolled
The outer peripheral surface of wheel 62 contradicts on the internal perisporium of cavity 32, and circumferentially uniform intervals are provided with several on the internal perisporium of cavity 32
Recessed portion 321, the medial surface of each recessed portion 321 include arc surface 3211 and a pair of of guide surface 3212, a pair of of guide flat
Face 3212 is symmetrically connected to the both ends of arc surface 3211, and a pair of of guide surface 3212 is tangent with arc surface 3211, and phase
The mutually close guide surface 3212 of adjacent two recessed portions 321 is connected by 3213 transition of transition cambered surface, is engaged in scroll wheel 62
When in recessed portion 321, the outer peripheral surface of scroll wheel 62 contradicts the upper surface of lower bottom base 4 on the arc surface 3211 of recessed portion 321
It is equipped with column 65, the second lever arm 612 is equipped with hanging hole 6121, one end of extension spring 63 away from one end of the first lever arm 611
It is fixedly connected on the hanging hole 6121 of swing component 61, the other end of extension spring 63 is connected on column 65, and extension spring 63 begins
It is being grasped eventually in tensional state with guaranteeing that the periphery of scroll wheel 62 can tightly contradict on the internal perisporium of cavity 32 always
Vertical upper bed-plate 3 is rotated relative to lower bottom base 4, when rolling into scroll wheel 62 out of a recessed portion 321 in another recessed portion 321,
Scroll wheel 62 first can roll out recessed portion 321 along the guide surface 3212 of recessed portion 321, and scroll wheel 62 is with movable pendulum in the process
Moving part 61 makes swing component 61 rotate, and the swing component 61 of rotation pulls extension spring 63, makes extension spring 63 that elastic shape occur
Become, subsequent scroll wheel 62 is rolled in the guide surface 3212 of another recessed portion 321 through transition cambered surface 3213, is stretching bullet at this time
Under the action of the elastic force of spring 63, swing component 61 is rotated backward, and the periphery of final scroll wheel 62 contradicts the arc surface in recessed portion 321
On 3211, scroll wheel 62 is fastened in adjacent recessed portion 321, and the setting of positioning mechanism 6 is the direction in order to lock fan, with
It avoids changing the direction of fan because unintentional rotation occurs with respect to lower bottom base 4 for upper bed-plate 3.
In the present embodiment, as shown in Figure 2, Figure 3, Figure 4, the lower part of the internal perisporium of the cavity 32 of upper bed-plate 3 is equipped with annular
Slot 33, for preventing swing component 61 from generating collision between upper bed-plate 3 in rotation.
In the present embodiment, shown in as shown in Figure 1, Figure 2, Fig. 5, Fig. 6, the periphery of lower bottom base 4 is equipped with auxiliary handle 7, and auxiliary handle 7 has
There are main body 71 and projected board 72, the periphery of lower bottom base 4 is equipped with the first groove 43, and the rear end of main body 71 passes through 8 pivot of third pivot
It connects on the rear end of the first groove 43, the front end of main body 71 is equipped with the second protrusion 711, and the second protrusion 711 can be fastened on first
The inside of the first protrusion 431 on the front end face of groove 43, so that auxiliary handle 7 can be fixed in the first groove 43,
In order to which auxiliary handle 7 is incorporated in when not in use in the first groove 43, projected board 72 connects the front end that main body 71 is arranged in, convex
Plate portion 72 is accommodated in the second groove 44 of lower bottom base 4, has gap between projected board 72 and the side wall of the second groove 44, convenient
People pull auxiliary handle 7 by grasping projected board 72 with hand, and the front end of auxiliary handle 7 is made to screw out the first groove 43.
In the present embodiment, as shown in figure 1, figure 2, figure 3, figure 4 and figure 5, upper bed-plate 3 is mounted on lower bottom base 4 for convenience
On, through-hole 6111 is equipped on the first lever arm 611 of swing component 61, lower bottom base 4 is equipped with jack 45, and upper bed-plate 3 is equipped with arc
Shape long hole 35 first rotates swing component 61, keeps scroll wheel 62 close to the center of lower bottom base 4 when installing upper bed-plate 3, stretches bullet
Spring 63 is stretched, and bolt 9 is then passed through the through-hole 6111 on swing component 61 and is inserted into the jack 45 on lower bottom base 4, for preventing
Only swing component 61 rotates backward, and then the newel 34 of upper bed-plate 3 is inserted into cylindrical central sleeve 42, and adjust upper bed-plate 3 to make to insert
The upper end of pin 9 is pierced by upwards from the long arc-shaped holes 35 on upper bed-plate 3, then extracts bolt 9, and swing component 61 is in extension spring 63
Elastic force under the action of rotate backward, the periphery of scroll wheel 62 contradicts on the internal perisporium of cavity 32, and finally adjustment rotates upper bottom
Seat 3, is fastened on scroll wheel 62 in recessed portion 321.
In the present embodiment, as shown in Figure 1 and Figure 2, reception hole 36 is offered on the periphery of upper bed-plate 3, bolt 9 can be accommodated
It is accommodated in reception hole 36, the inner end of reception hole 36 is fixed with flat thin magnet 10, and bolt 9 is made of iron material, and bolt 9 passes through magnetic
Gravitational attraction is connected on flat thin magnet 10, and bolt 9 can be effectively prevent to fall, lose out of reception hole 36.
In the present embodiment, as shown in Figure 1, Figure 2, Figure 3 shows, adjust fan towards when, first pull auxiliary handle 7, make to assist
The front end of handle 7 screws out the first groove 43, and then a hand holds auxiliary handle 7, and another hand reverses the lower part of elevating lever 2, makes
Pedestal 3 is rotated relative to lower bottom base 4, and scroll wheel 62 rolls on the internal perisporium of cavity 32, until adjusting the direction of fan, then
Upper bed-plate 3 is slightly adjusted, is fastened on scroll wheel 62 in nearest recessed portion 321, the opposite bottom of upper bed-plate 3 can be effectively prevented
Unintentional rotation occurs for seat 4, and finally auxiliary handle 7 is housed in the first groove 43, entirely adjusts process, simple, convenient, no
Entire fan must be moved, it is very laborsaving.
These are only the preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.