CN205858738U - Hide the fan of head - Google Patents

Abstract

The fan of a kind of hiding head, including nose assembly and frame component.Nose assembly includes net coil support, and this net coil support is internally provided with machine cavity.Driving motor to be arranged in machine cavity, drive the output shaft of motor that flabellum can be driven to rotate, described nose assembly is arranged on frame component, and makes the mistake center of gravity vertical curve of nose assembly overlap with the mistake center of gravity vertical curve of frame component.Driving motor is inserted inside nose assembly by this utility model, and " hiding " drives motor, thus optimizes the center of gravity of nose assembly so that it is with the center of gravity of frame component with on a vertical curve, enhance the mechanical stability that fan is overall.Nose assembly structure is well-balanced, takes up room little, the overall aesthetic appearance promoting fan, makes fan outward appearance form exclusive style.

Description

Hide the fan of head

Technical field

This utility model relates to conditioner, particularly relates to promote ambient air by the flabellum being driven in rotation Accelerate the fan of circulation.

Background technology

Prior art fan, as shown in figure 11, including fan head parts 4 and supporting part assembly 5.Fan head parts 4 Including being wherein provided with driving motor and the head 41 of yaw assembly, and by connect the flabellum driving motor torque output shaft and The fan blade assembly 42 of the guard composition of flabellum by the enclosure.Described supporting part assembly 5 includes base 51 and support bar 52.Described fan Head assembly 4 is arranged on the front portion outside head 41 due to fan blade assembly 42, and center of gravity O1 making fan head parts 4 is forward, Figure 11 The vertical curve Z5Z6 of center of gravity O1 of passing through fan head assembly 4 is shown.Described supporting part assembly 5 is steady due to structure, its center of gravity Q1 On support bar 52, Figure 11 illustrated the vertical curve Z7Z8 of center of gravity Q1 of supporting part assembly 5.Weight due to fan head parts 4 Heart O1 is forward compared with center of gravity Q1 of supporting part assembly 5, causes fan entirety center of gravity Q2 forward and does not falls within support bar 52, Figure 11 Illustrating the vertical curve Z3Z4 of passing through fan entirety center of gravity Q2, supporting part assembly 5 will bear component forward all the time, causes existing skill Art fan has the trend dumped forward, and mechanical stability has problems.Prior art fan can only be by increasing base area with really Protect the stability that fan is overall, add taking up room of fan.It addition, described fan head parts 4 is front wide and rear narrow, impact U.S. See.

Utility model content

A kind of optimization wind is proposed in place of the technical problems to be solved in the utility model is to avoid the deficiencies in the prior art Fan each assembly center of gravity structure, make fan entirety center of gravity fall on support bar, improve mechanical stability, strengthen space availability ratio, outward See novelty, the fan of practical hiding head.

This utility model solves described technical problem can be by realizing by the following technical solutions:

Design, manufacture the fan of a kind of hiding head, including nose assembly and frame component.Described nose assembly includes fan Leaf, driving motor and guard group.Especially, described nose assembly also includes net coil support, and this net coil support is internally provided with electricity Machine cavity body.Described driving motor is arranged in machine cavity, and the output shaft of described driving motor can drive flabellum to rotate, described Guard group connects net coil support and shroud described flabellum and drives motor.Described nose assembly is arranged on frame component, And make the mistake center of gravity vertical curve of nose assembly overlap with the mistake center of gravity vertical curve of frame component.

Specifically, in a tubular form, described machine cavity is the tubulose that external diameter is less than net coil support internal diameter to described net coil support, Connecting machine cavity outer tube wall and the connection rib of net coil support inner tubal wall by two or more, described machine cavity is arranged on net circle The inside of support.

Described guard group includes two guards and two net bundle lids.Described guard includes ring-type interior ring for fixing, and its diameter is big In the ring-type extenal fixation circle of interior ring for fixing, and its two end portions Gu Ding not connect in ring for fixing and extenal fixation circle, in dissipating Two of shape distribution are with online bundle bar.The extenal fixation circle of described two guards covers respectively to be buckled on two mouths of pipe being arranged on net coil support, Described net bundle lid capping respectively is arranged on the two respective interior ring for fixings of guard.

Rotate around vertical axis for realizing nose assembly, described fan also include being connected to frame component and nose assembly it Between assembly of shaking the head；This assembly of shaking the head includes pedestal of shaking the head, and is connected to the transmission group shaking the head between pedestal and frame component Part.Described transmission component can order about pedestal of shaking the head and cross center of gravity vertical curve with frame component relative frame component turns as axis Dynamic.It is provided with Support joint seat on the outer wall of described net coil support, pedestal of shaking the head described in the connection of this Support joint seat, make head group Part connects shakes the head assembly, and makes nose assembly cross center of gravity vertical curve to cross center of gravity vertical curve with frame component and overlap.

Adjusting for realizing nose assembly luffing angle, circular arc planar is processed into, at this in the bottom surface of described Support joint seat At least one slide bar extended downwardly from it is provided with on the bottom surface of bridge joint headstock.The end face of described pedestal of shaking the head is processed into and can adaptive prop up The circular arc planar of the bottom surface of bridge joint headstock, the end face of this pedestal of shaking the head is machined with the chute for adaptive described slide bar.Described cunning Bar inserts and is slidably connected the chute adaptive with this slide bar respectively, so that Support joint seat is slidably connected and shakes the head Pedestal, when Support joint seat is along the circular arc planar end face slip of pedestal of shaking the head, it is possible to adjust the luffing angle of nose assembly, and And maintain nose assembly to cross center of gravity vertical curve in sliding process to cross center of gravity vertical curve with frame component and overlap.

The constant scheme of its center of gravity is kept when adjusting luffing angle as realizing nose assembly, described Support joint seat The transversal circular arc line of circular arc planar bottom surface is with the center of gravity of nose assembly as the center of circle, and this transversal circular arc line crosses head at net coil support On the longitudinal section of the center of gravity of assembly, or the longitudinal section of the center of gravity crossing nose assembly of parallel net coil support.

Specifically, the buckle head that the bottom of described slide bar is protruded outside arranging the bar wall of oriented slide bar.Described chute includes mutually Parallel ground two groove walls, and be arranged on two groove wall tops and stretch out notch baffle plate to the other side respectively, make between two groove walls Width more than the width between notch baffle plate.At least one end at chute arrange connect this chute, its two grooves wall it Between width not less than chute two groove walls between width slide bar dismounting depression groove.The buckle head of described slide bar is inserted slide bar and is torn open Dress depression groove also moves in chute, and by the notch baffle plate of the chute clipping slide bar, the buckle head of slide bar can be buckled in Slide in chute, make slide bar be slidably connected chute.

For realizing nose assembly around vertical axis reciprocally swinging, described in base bottom of shaking the head be provided with indent chamber, described Transmission component includes being arranged on the indoor eccentric shaft bracket of this inner cavity, shake the head driving motor, excentric sleeve, eccentric and company Bar.Described assembly of shaking the head also includes covering described indent chamber, is machined with the baffle plate of eccentric through-hole on it.Described eccentric shaft bracket Fixing connection is shaken the head pedestal, is provided with its axis runout and shakes the head the eccentric shaft of central axis of assembly bottom this eccentric shaft bracket. Described driving motor of shaking the head is fixed connection and is shaken the head pedestal, and this is shaken the head to drive and fixes connecting eccentric wheel on the output shaft of motor, eccentric Axle sleeve is sleeved on eccentric shaft, and connecting rod two ends connecting eccentric wheel and excentric sleeve respectively, eccentric shaft bottom leads to from the bias of baffle plate Hole is stretched out, and then fixing connection frame component.

For having the fan of assembly of shaking the head, described frame component includes base, the upright post rod being arranged on base, suit At the upright post sleeve on upright post rod top, connect the fore shell of upright post sleeve, connect fore shell and encapsulate the back cover of upright post sleeve together with fore shell.Institute State upright post sleeve to be sleeved on slidably in upright post rod.The bottom of the eccentric shaft stretched out from baffle plate eccentric through-hole of described assembly of shaking the head The described fore shell of fixing connection.

Specifically, described in the shake the head bottom of eccentric shaft of assembly be machined with annular slot, by this annular slot, use spiral shell Silk fastening means, buckle fastening means or snap ring meson fastening means make eccentric shaft fixing connection fore shell.

The most relatively, what this utility model " hid the fan of head " has the technical effect that

Driving motor is inserted inside nose assembly by this utility model, and " hiding " drives motor, thus optimizes nose assembly Center of gravity, make this center of gravity inside nose assembly, and make the center of gravity of nose assembly and the center of gravity of frame component with at one vertically On line, enhance the mechanical stability that fan is overall.Nose assembly structure is well-balanced, takes up room little, outside overall lifting fan See aesthetic feeling, make fan outward appearance form exclusive style.Owing to the mistake center of gravity vertical curve of nose assembly erects with the mistake center of gravity of frame component Straight line overlaps so that base area can relatively prior art suitably reduce, and reduces fan and takes up room, room for promotion utilization rate. This utility model not only realizes the luffing angle of nose assembly and adjusts with nose assembly around vertical axis reciprocally swinging, also assures that machine Head assembly remains that in course of action center of gravity does not offsets, further elevating mechanism stability.

Accompanying drawing explanation

Fig. 1 is the axonometric projection schematic diagram of this utility model " fan of hiding head " preferred embodiment；

Fig. 2 is the orthographic projection schematic front view of all preferred embodiments；

Fig. 3 is A-A cross-sectional schematic shown in Fig. 2；

Fig. 4 is described preferred embodiment decomposing state axonometric projection schematic diagram；

Fig. 5 is the decomposing state axonometric projection schematic diagram of the nose assembly 1 of described preferred embodiment；

Fig. 6 is the decomposing state axonometric projection schematic diagram of the assembly 2 of shaking the head of described preferred embodiment；

Fig. 7 is Support joint seat 15 and the axonometric projection schematic diagram of pedestal 21 of shaking the head of described preferred embodiment；

Fig. 8 is that the nose assembly 1 of described preferred embodiment orthographic projection right side when being in center condition regards schematic diagram；

Fig. 9 is that the nose assembly 1 of described preferred embodiment is in orthographic projection right side when bending down state regarding schematic diagram；

Figure 10 is that the nose assembly 1 of described preferred embodiment is in orthographic projection right side when steeving state regarding schematic diagram；

Figure 11 is that the orthographic projection right side of prior art fan regards schematic diagram.

Detailed description of the invention

It is described in further detail below in conjunction with preferred embodiment shown in accompanying drawing.

The utility model proposes the fan of a kind of hiding head, as shown in Figures 1 to 10, including nose assembly 1 and support Assembly 3.Described nose assembly includes flabellum 13, drives motor 12 and guard group 14.As shown in Figure 4 and Figure 5, described nose assembly 1 also includes net coil support 11, and this net coil support 11 is internally provided with machine cavity 111.Described driving motor 12 is arranged on motor In cavity 111, the output shaft of described driving motor 12 can drive flabellum 13 to rotate, and described guard group 14 connects net coil support 11 And shroud described flabellum 13 and drives motor 12.The most described driving motor 12 is directly connected to flabellum 13 driving should Flabellum 13 rotates, and drives motor 12 can also connect flabellum 13 to drive this flabellum 13 to rotate by some drive mechanisms.Such as Fig. 8 Shown in, described nose assembly 1 is arranged on frame component 3, and makes mistake center of gravity O vertical curve and the support group of nose assembly 1 The mistake center of gravity Q vertical curve of part 3 overlaps, the vertical curve of this coincidence vertical curve Z1Z2 as shown in Figure 8.Obvious described nose assembly 1 Crossing center of gravity O vertical curve and refer to the vertical curve of center of gravity O by nose assembly 1, in like manner, the mistake center of gravity Q vertical curve of frame component 3 is Finger is by the vertical curve of center of gravity Q of frame component 3.It is internal that nose assembly 1 inserted by driving motor 12 by this utility model, " hiding " Drive motor 12, thus optimize center of gravity O of nose assembly 1, make center of gravity O of nose assembly 1 inside nose assembly 1, and make Center of gravity Q of center of gravity O of nose assembly 1 and frame component 3 is with on a vertical curve Z1Z2, and frame component 3 assume responsibility for head group Whole gravity of part 1, and there is no the component of horizontal direction, enhance the mechanical stability that fan is overall.Owing to driving motor 12 Being built in nose assembly 1 internal, the structure making nose assembly 1 is well-balanced, takes up room little, the overall aesthetic appearance promoting fan, Fan outward appearance is made to form exclusive style.

This utility model preferred embodiment, as shown in Figure 4 and Figure 5, described net coil support 11 in a tubular form, described machine cavity 111 is the tubulose that external diameter is less than net coil support 11 internal diameter, connects machine cavity 111 outer tube wall and net coil support by two or more The connection rib 112 of 11 inner tubal walls, described machine cavity 111 is arranged on the inside of net coil support 11.This utility model is preferable to carry out Example, described machine cavity 111 is arranged on the middle part of net coil support 11.

This utility model preferred embodiment, as it is shown in figure 5, described guard group 14 includes two guard 145 and two net bundle lids 144.Described guard 14 includes ring-type interior ring for fixing 141, and its diameter is more than the ring-type extenal fixation circle 142 of interior ring for fixing 141, And its two end portions Gu Ding not connect in ring for fixing 141 and extenal fixation circle 142, in divergent shape, two of distribution with bundle of surfing the Net Bar 143.The described net bundle air quantity that should be formed as required of bar 143 and safety and determine particular number.Described two guards The extenal fixation circle 142 of 145 covers respectively to be buckled on two mouths of pipe being arranged on net coil support 11, and described net bundle lid 144 covers installation respectively At the two respective interior ring for fixings 141 of guard 145.Described guard group 14 is with the symmetrical structure sealing cover net coil support 11 two ends mouth of pipe, relatively Prior art uniqueness more attractive in appearance, and save space shared by nose assembly 1.

This utility model preferred embodiment, as shown in Fig. 4 to Figure 10, rotates around vertical axis for realizing nose assembly 1, institute State the assembly 2 of shaking the head that fan also includes being connected between frame component 3 and nose assembly 1.This assembly 2 of shaking the head includes pedestal of shaking the head 21, and it is connected to the transmission component between pedestal 21 and frame component 3 of shaking the head.Described transmission component can order about pedestal of shaking the head 21 cross center of gravity Q vertical curve with frame component 3 rotates as axis relative to this frame component 3.On the outer wall of described net coil support 11 Be provided with Support joint seat 15, as shown in Figure 8, this Support joint seat 15 connect described in shake the head pedestal 21, make nose assembly 1 connect Shake the head assembly 2, and made nose assembly 1 cross center of gravity O vertical curve to overlap with frame component 3 mistake center of gravity Q vertical curve.Visible head group Part 1 is when vertical axis rotates, and center of gravity O of nose assembly 1 keeps constant to guarantee the mechanical stability of course of action.Such as Fig. 5 Shown in, the bottom of described net coil support 11 is provided with a connecting seat 16, and Support joint seat 15 connects on it, described Support joint seat 15 can be regarded as an overall structure with connecting seat 16, it is also possible to as Support joint seat 15, connection seat 16 is arranged on net circle Adapting structure for electric on support 11 outer wall.

This utility model preferred embodiment, as shown in Figures 5 to 7, circle is processed in the bottom surface 151 of described Support joint seat 15 Arc surfaced, is provided with at least one slide bar 152 extended downwardly from the bottom surface 151 of this Support joint seat 15.Described pedestal of shaking the head The end face 211 of 21 be processed into can the circular arc planar of bottom surface of adaptor support plinth 15, the end face 211 of this pedestal 21 of shaking the head adds Work has the chute 213 for adaptive described slide bar 152.Described slide bar 152 inserts respectively and is slidably connected and this slide bar The chute 213 of 152 adaptations, so that Support joint seat 15 is slidably connected pedestal 21 of shaking the head, as shown in Fig. 8 to Figure 10, when Support joint seat 15 along the circular arc planar end face 211 of pedestal 21 of shaking the head slide time, it is possible to adjust the luffing angle of nose assembly 1, And maintain nose assembly 1 center of gravity O vertical curve excessively to cross center of gravity Q vertical curve with frame component 3 in sliding process to overlap.Can be according to circumstances Head assembly 1 is when adjusting luffing angle, and center of gravity O of nose assembly 1 keeps constant to guarantee the mechanical stability of course of action.

This utility model preferred embodiment, as shown in Fig. 8 to Figure 10, is adjusting luffing angle as realizing nose assembly 1 Time keep the constant scheme of its center of gravity O, the transversal circular arc line R1R2 of the circular arc planar bottom surface 151 of described Support joint seat 15 is with machine Center of gravity O of head assembly 1 is the center of circle, and this transversal circular arc line R1R2 is in the longitudinal section of center of gravity O crossing nose assembly 1 of net coil support 11 On P；Or the longitudinal section P of center of gravity O crossing nose assembly 1 of transversal circular arc line R1R2 parallel net coil support 11.Since shaking the head base The end face 211 of seat 21 is adaptive with the bottom surface 151 of Support joint seat 15, described in shake the head the end face 211 of pedestal 21 should also be as having with The transversal circular arc line R1R2 of sample.Fig. 8 illustrates that nose assembly 1 is in center condition.As described in Figure 9, when from state shown in Fig. 8 along arrow Head J1 direction adjusts nose assembly 1, by Support joint seat 15 that is the most suitable and that can relative slide bottom surface 151 with shake the head The end face 211 of pedestal 21, nose assembly 1 bows next angle, and this angle is perpendicular in the longitudinal direction of axis P1P2 of flabellum 13 Angle between the vertical curve Z1Z2 of heart line P3P4 and excessively center of gravity O of nose assembly 1.Owing to the center of circle of transversal circular arc line R1R2 is Center of gravity O of nose assembly 1, during nose assembly 1 bends down, center of gravity O of nose assembly 1 keeps constant to guarantee course of action Mechanical stability.As described in Figure 10, when adjusting nose assembly 1 from state shown in Fig. 8 along arrow J2 direction, by the most suitable With bottom surface 151 and the end face 211 of pedestal 21 of shaking the head of the Support joint seat 15 that can relative slide, nose assembly 1 steeves one Angle, this angle is perpendicular to the longitudinal centre line P3P4 of the axis P1P2 of flabellum 13 and the vertical of center of gravity O of nose assembly 1 excessively Angle between line Z1Z2.Owing to the center of circle of transversal circular arc line R1R2 is center of gravity O of nose assembly 1, steeved at nose assembly 1 In journey, center of gravity O of nose assembly 1 keeps constant to guarantee the mechanical stability of course of action.

To sum up, this utility model not only realize nose assembly luffing angle adjust and nose assembly reciprocal around vertical axis Swing, also assure that nose assembly remains that in course of action center of gravity is motionless, further elevating mechanism stability.

Owing to the mistake center of gravity O vertical curve Z1Z2 of nose assembly 1 overlaps with the mistake center of gravity Q vertical curve Z1Z2 of frame component 3, make Obtain base area can relatively prior art suitably reduce, reduce fan and take up room, room for promotion utilization rate.

This utility model preferred embodiment, as it is shown in fig. 7, be slidably connected suitable with this slide bar 152 for realizing slide bar 152 The chute 213 joined, prevents slide bar 152 from deviating from chute 213, and the bottom of described slide bar 152 arranges the bar wall of oriented slide bar 152 The buckle head 153 of outer protrusion, makes slide bar 152 have the structure that the big neck of head is little.Described chute 213 includes that two grooves stand parallel to each other Wall, and be arranged on two groove wall tops and stretch out notch baffle plate 215 to the other side respectively, owing to being blocked by notch baffle plate 215, groove stands Wall cannot be seen in the figure 7, but it should be the structure being readily apparent that.The structure of notch baffle plate 215 makes the width between two groove walls Degree is more than the width between notch baffle plate 215.At least one end at chute 213 arranges connection this chute, its two grooves wall Between width not less than chute two groove walls between width slide bar dismounting depression groove 214.The buckle head of described slide bar 152 153 insert slide bar dismounting depression groove 214 and move in chute 213, by the notch baffle plate of the chute 213 clipping slide bar 152 215, the buckle head 153 of slide bar 152 can be snapped in chute 213 slip, makes slide bar 152 be slidably connected chute 213。

This utility model preferred embodiment, as shown in Figure 6, for realizing nose assembly 1 around vertical axis reciprocally swinging, described The shake the head bottom of pedestal 21 is provided with indent chamber, and described transmission component includes being arranged on the eccentric shaft bracket that this inner cavity is indoor 22, shake the head driving motor 23, excentric sleeve 24, eccentric 25 and connecting rod 26.Described assembly 2 of shaking the head also includes covering described indent Chamber, on it, it is machined with the baffle plate 27 of eccentric through-hole 271.Described eccentric shaft bracket 22 is fixed connection and is shaken the head pedestal 21, this bias It is provided with its axis runout bottom bracing strut 22 to shake the head the eccentric shaft 221 of central axis of assembly 2.Described driving motor 23 of shaking the head Fixing connection is shaken the head pedestal 21, and this is shaken the head to drive and fixes connecting eccentric wheel 25 on the output shaft of motor 23, and excentric sleeve 24 is set with On eccentric shaft 221, connecting rod 26 two ends connecting eccentric wheel 25 and excentric sleeve 24 respectively, the bottom of eccentric shaft 221 is from baffle plate 27 Eccentric through-hole 271 stretch out, and then fixing connect frame component 3.Eccentric shaft 221 is ordered about along a circle by driving motor 23 of shaking the head Arc path is moved, and makes eccentric shaft 221 move back and forth between path end points by eccentric 25 and connecting rod 26, and then the company of realization It is connected on nose assembly 1 reciprocating rotation shaken the head on pedestal 21.

This utility model preferred embodiment, as shown in Figure 4, described frame component 3 includes base 31, is arranged on base 31 Upright post rod 32, be sleeved on the upright post sleeve 33 on upright post rod 32 top, connect the fore shell 34 of upright post sleeve 33, connect fore shell 34 and with front Shell 34 encapsulates the back cover 35 of upright post sleeve 33 together.Described upright post sleeve 33 is sleeved in upright post rod 32 slidably, vertical by adjusting The column sleeve 33 position in upright post rod 32, adjusts the height of fan.The eccentric through-hole 271 from baffle plate 27 of described assembly 2 of shaking the head The bottom of the eccentric shaft 221 stretched out is fixing connects described fore shell 34.

This utility model preferred embodiment, as shown in Figure 6, described in the shake the head bottom of eccentric shaft 221 of assembly 2 be machined with ring Shape draw-in groove 222, by this annular slot 222, uses fastened by screw mode, buckle fastening means or snap ring meson fastening means Make eccentric shaft 221 fixing connection fore shell 34.

With reference to this utility model preferred embodiment, for the fan of assembly 2 of not shaking the head, described frame component 3 should wrap Include base 31, be arranged on base 31, for connecting the upright post rod 32 of nose assembly 1, thus realize frame component 3 and head Assembly 1 connects.

Claims (10)

1. a fan for hiding head, including nose assembly and frame component；Described nose assembly includes flabellum, drives motor With guard group；It is characterized in that:

Described nose assembly also includes net coil support, and this net coil support is internally provided with machine cavity；

Described driving motor is arranged in machine cavity, and the output shaft of described driving motor can drive flabellum to rotate, described net Cover group connects net coil support and shroud described flabellum and drives motor；

Described nose assembly is arranged on frame component, and makes the mistake center of gravity vertical curve of nose assembly and the mistake of frame component Center of gravity vertical curve overlaps.

The fan of hiding head the most according to claim 1, it is characterised in that:

In a tubular form, described machine cavity is the tubulose that external diameter is less than net coil support internal diameter to described net coil support, by two or more Connecting machine cavity outer tube wall and the connection rib of net coil support inner tubal wall, described machine cavity is arranged on the inside of net coil support.

The fan of hiding head the most according to claim 2, it is characterised in that:

Described guard group includes two guards and two net bundle lids；

Described guard includes ring-type interior ring for fixing, and its diameter is more than the ring-type extenal fixation circle of interior ring for fixing, and its two ends Portion be respectively fixedly connected with interior ring for fixing and extenal fixation circle, in divergent shape, two of distribution with online bundle bar；

The extenal fixation circle of described two guards covers respectively to be buckled on two mouths of pipe being arranged on net coil support, and described net bundle lid covers peace respectively It is contained in the two respective interior ring for fixings of guard.

The fan of hiding head the most according to claim 1, it is characterised in that:

Also include the assembly of shaking the head being connected between frame component and nose assembly；This assembly of shaking the head includes pedestal of shaking the head, and It is connected to the transmission component shaking the head between pedestal and frame component；Described transmission component can order about pedestal of shaking the head with frame component Cross center of gravity vertical curve to be axis and rotate relative to frame component；

It is provided with Support joint seat on the outer wall of described net coil support, pedestal of shaking the head described in the connection of this Support joint seat, make head Assembly connects shakes the head assembly, and makes nose assembly cross center of gravity vertical curve to cross center of gravity vertical curve with frame component and overlap.

The fan of hiding head the most according to claim 4, it is characterised in that:

Circular arc planar is processed in the bottom surface of described Support joint seat, is provided with at least one downward on the bottom surface of this Support joint seat The slide bar stretched out；

The end face of described pedestal of shaking the head be processed into can the circular arc planar of bottom surface of adaptor support plinth, the top of this pedestal of shaking the head Face is machined with the chute for adaptive described slide bar；Described slide bar inserts and is slidably connected adaptive with this slide bar respectively Chute, so that Support joint seat is slidably connected pedestal of shaking the head, when Support joint seat is along the circular arc planar top of pedestal of shaking the head Time slip in face, it is possible to adjust the luffing angle of nose assembly, and maintain nose assembly to cross center of gravity vertical curve in sliding process Cross center of gravity vertical curve to overlap with frame component.

The fan of hiding head the most according to claim 5, it is characterised in that:

The transversal circular arc line of the circular arc planar bottom surface of described Support joint seat with the center of gravity of nose assembly as the center of circle, this transversal circular arc Line is on the longitudinal section of the center of gravity crossing nose assembly of net coil support, or the center of gravity crossing nose assembly of parallel net coil support Longitudinal section.

The fan of hiding head the most according to claim 5, it is characterised in that:

The bottom of described slide bar arranges the buckle head protruded outside the bar wall of oriented slide bar；

Described chute includes two groove wall parallel to each other, and is arranged on two groove wall tops and stretches out notch gear to the other side respectively Plate, makes the width between two groove walls more than the width between notch baffle plate；At least one end at chute arranges this cunning of connection Groove, between its two grooves wall width not less than chute two groove walls between width slide bar dismounting depression groove；

The buckle head of described slide bar is inserted slide bar dismounting depression groove and moves in chute, by the notch of the chute clipping slide bar Baffle plate, the buckle head of slide bar can be snapped in chute slip, make slide bar be slidably connected chute.

The fan of hiding head the most according to claim 4, it is characterised in that:

Described base bottom of shaking the head is provided with indent chamber, and described transmission component includes being arranged on the eccentric shaft that this inner cavity is indoor Support, shake the head driving motor, excentric sleeve, eccentric and connecting rod；Described assembly of shaking the head also include covering described indent chamber, its On be machined with the baffle plate of eccentric through-hole；

Described eccentric shaft bracket is fixed connection and is shaken the head pedestal, is provided with its axis runout and shakes the head assembly bottom this eccentric shaft bracket The eccentric shaft of central axis；

Described driving motor of shaking the head is fixed connection and is shaken the head pedestal, and this is shaken the head to drive and fixes connecting eccentric wheel on the output shaft of motor, Excentric sleeve is sleeved on eccentric shaft, connecting rod two ends respectively connecting eccentric wheel and excentric sleeve, inclined from baffle plate of eccentric shaft bottom Heart through hole stretches out, and then fixing connection frame component.

The fan of hiding head the most according to claim 8, it is characterised in that:

Described frame component includes base, the upright post rod being arranged on base, is sleeved on the upright post sleeve on upright post rod top, connects vertical The fore shell of column sleeve, connects fore shell and encapsulates the back cover of upright post sleeve together with fore shell；Described upright post sleeve is sleeved on column slidably On bar；

The described fore shell of the fixing connection in bottom of the eccentric shaft stretched out from baffle plate eccentric through-hole of described assembly of shaking the head.

The fan of hiding head the most according to claim 8, it is characterised in that:

The bottom of the eccentric shaft of described assembly of shaking the head is machined with annular slot, by this annular slot, use fastened by screw mode, Buckle fastening means or snap ring meson fastening means make eccentric shaft fixing connection fore shell.