WO2016176802A1 - 可折叠收纳风扇 - Google Patents

可折叠收纳风扇 Download PDF

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Publication number
WO2016176802A1
WO2016176802A1 PCT/CN2015/078196 CN2015078196W WO2016176802A1 WO 2016176802 A1 WO2016176802 A1 WO 2016176802A1 CN 2015078196 W CN2015078196 W CN 2015078196W WO 2016176802 A1 WO2016176802 A1 WO 2016176802A1
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WO
WIPO (PCT)
Prior art keywords
limit
locking
limiting
seat
groove
Prior art date
Application number
PCT/CN2015/078196
Other languages
English (en)
French (fr)
Inventor
何向明
林光濂
Original Assignee
何向明
林光濂
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 何向明, 林光濂 filed Critical 何向明
Priority to PCT/CN2015/078196 priority Critical patent/WO2016176802A1/zh
Publication of WO2016176802A1 publication Critical patent/WO2016176802A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H3/00—Propeller-blade pitch changing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H5/00—Arrangements on vessels of propulsion elements directly acting on water
    • B63H5/07—Arrangements on vessels of propulsion elements directly acting on water of propellers
    • B63H5/125—Arrangements on vessels of propulsion elements directly acting on water of propellers movably mounted with respect to hull, e.g. adjustable in direction, e.g. podded azimuthing thrusters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H7/00—Propulsion directly actuated on air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/64—Mounting; Assembling; Disassembling of axial pumps

Definitions

  • the utility model relates to the technical field of electric fan products, in particular to a foldable storage fan.
  • the structure of the commonly used floor-standing vertical fan generally includes a fan head x1 connected in sequence, a support rod x2 for adjusting the vertical height of the fan head x1, and a base x3.
  • the adjustable height range of the fan head x1 is limited, so that the fan of this structure can only be used as a floor-standing vertical fan, and cannot be used as a desktop fan.
  • the fan head x1, the support rod x2 and the base x3 of the floor standing fan need to be split and separately packaged, the disassembly process is time consuming and laborious, the operation is cumbersome, and the small parts are easily lost.
  • the disassembled electric fan still needs to occupy a large packaging space, which increases the packaging cost of the electric fan and transportation cost.
  • the user needs to reassemble the floor standing fan during use, and the assembly process requires additional tools, which is inconvenient for the user to use immediately, thereby increasing the user's operation burden.
  • the utility model patent CN201120222227 discloses a foldable storage electric fan, which realizes folding storage of the fan head by adding a turning mechanism, and by changing the structure of the base, The foldable storage of the base is realized, thereby realizing the foldable storage of the floor-standing vertical fan, and the above defects of the floor-standing vertical fan are solved.
  • the foldable storage electric fan includes a fan head X1, an inversion mechanism X4 for turning the fan head X1 up and down, a support tube X2, and a base X3.
  • the support tube X2 includes two vertical risers X21 and two height adjustment tubes X22 respectively fitted to the two vertical risers X21.
  • the turning mechanism X4 includes a connecting block X41 connected to the top of the two height adjusting tubes X22, an automatic limit locking mechanism X42 for limiting the locking connecting block X41 to the supporting tube X2, and a fan connected to the top position of the top of the connecting block X41.
  • the head X1 is connected to the tube X43.
  • the two ends of the connecting block X41 are respectively hingedly connected to the tops of the two height adjusting tubes X22 through a rotating shaft (X411 and X412); the automatic limit locking mechanism X42 is disposed at the joint of the connecting block X41 and one of the height adjusting tubes.
  • the automatic limit locking mechanism X42 locks the connecting block X41 by a spring bolt X421 disposed at the top of one end of the connecting block X41 and a positioning hole 42 disposed at the top of one of the height adjusting tubes.
  • FIG. 5 shows that the connecting block X41 by a spring bolt X421 disposed at the top of one end of the connecting block X41 and a positioning hole 42 disposed at the top of one of the height adjusting tubes.
  • the automatic limit locking mechanism X42 locks the connecting block X41 by a ratchet pawl assembly X'421 mounted between one end of the connecting block X41 and one of the height adjusting tubes.
  • the top of the fan head X1 connecting pipe X43 is connected to the fan head X1.
  • the structure in which the base X3 realizes the folding function includes a fixed left and right support seat X31, a movable front support seat X32, and a movable rear support seat X33 which are laterally parallel to the fan head X1.
  • the movable front support seat X32 is hingedly connected to the fixed left and right support seats X31 by a horizontally disposed second door hinge structure X5, so as to be turned up to receive Na.
  • the movable rear support seat X33 is movably hinged to the middle of the fixed left and right support seats X31 by a vertically disposed first door hinge structure X6, so that the side of the fixed left and right support seats X31 is horizontally folded for storage.
  • a plurality of latches (X7 and X8) provided on the fixed left and right support seats X31 are respectively disposed on the movable front support.
  • the cooperation between the seat X32 and the lock hole X9 of the movable rear support seat X33 enables the movable front support seat X32 and the movable rear support seat X33 to be locked to the fixed left and right support seats X31.
  • the base X'3 can be folded in another manner.
  • the base X'3 includes a fixed left and right support seat X'31 and a detachable front and rear support.
  • Block X'32 The detachable front and rear support seats X'32 are passed through the Som X'7, the screw X'8 and the cable head X'9 (as shown in Fig. 9) or only by the screw X"7 (as shown in Fig. 10). It is detachably mounted on the fixed left and right support seats X'31.
  • the foldable storage electric fan still has the following defects:
  • the up-and-down turning of the fan head X1 by the turning mechanism X4 is realized by vertically connecting the connecting block X41 which is respectively hingedly connected to the top of the two height adjusting tubes X22 at the top of the two height adjusting tubes X22, and
  • the connecting block X41 is a flat long block structure and is affected by the weight of the fan head X1, which causes the connecting block X41 to be easily deformed due to the large force applied thereto, and the two ends thereof are easily affected by the fan head X1.
  • the force affects the turning flexibility of the turning mechanism X4, affecting the service life of the turning mechanism X4;
  • the position locking mechanism X42 is also an automatic limit locking mechanism X42 of the ratchet pawl assembly X'421 structure, which realizes the limit locking of the turning mechanism X4 only by defining one direction, which easily leads to the limit of the turning mechanism X4.
  • the locking is unstable, and the burden of the automatic limit locking mechanism X42 is increased;
  • the fasteners such as som, screws and cable heads need to be disassembled during packaging or storage, so that the detachable front and rear
  • the support seat X'32 is separated from the fixed left and right support seats X'31, which not only increases the cumbersome operation and wastes the time required for storage, but also generates a large number of parts, which easily leads to the loss of parts.
  • the purpose of the utility model is to overcome the shortcomings and deficiencies of the prior art, and to provide a foldable storage fan.
  • the improved turning mechanism and the base not only greatly reduce the overall occupied space, but also facilitate packaging and transportation, save transportation costs and reduce labor.
  • the strength and the assembly process are effectively simplified, and the user's storage and use are greatly facilitated, and the safety is high and the utility is strong.
  • a foldable storage fan which comprises a fan head, a turning mechanism, a support tube set and a base which are sequentially connected.
  • the base includes a fixed left and right support seat parallel to the fan head, a movable front support seat that can be turned up, and a movable rear support seat that can be horizontally folded to the side of the fixed left and right support seats;
  • the support base and the movable rear support are respectively articulated to the opposite sides of the fixed left and right support seats.
  • the foldable storage fan further includes a locking mechanism for locking the position of the movable front support and the movable rear support.
  • the locking mechanism includes a slide defining pressure plate, a lower pressing member for locking the sliding defining pressure plate, and a limit seat for defining a sliding limit platen sliding position.
  • the pressing member is mounted on the top surface of the fixed left and right supporting seats, and a locking through groove is formed at a bottom portion thereof to communicate with the top surface of the fixed left and right supporting seats, and the opening on both sides of the locking through groove respectively leads to Above the movable front support and above the movable rear support;
  • the limit seat is disposed on the top surface of the movable front support or the movable rear support, and the bottom is provided with a movable front support or a movable rear a limiting through groove communicating with the top surface of the bearing seat;
  • the sliding limiting pressing plate is disposed on the limiting through groove, and slidingly extending the locking through groove along the limiting through groove;
  • the sliding limiting platen when the base is stored is located in the limiting through groove
  • the sliding limiting platen when the base is deployed is simultaneously located in the limiting through groove and the locking through groove, and is locked by the pressing member to press against the movable front support seat, and the fixed type
  • the fixing of the base in normal use is realized by the pressing member, the limiting seat and the sliding limiting pressing plate, that is, when the movable front support and the movable rear support are unfolded and fixed.
  • the limit seat is disposed on the top surface of the movable front support seat as an example, and the end of the pressure plate is extended and locked by the sliding sliding guide plate so that one end of the sliding limit pressure plate is located in the limit through groove.
  • the sliding plate is defined by applying a pressure to the sliding limit plate by using the pressing member.
  • the movable front support seat, the fixed left and right support bases and the movable rear support base are pressed, so that the sliding limit pressure plate is pressed against the base, thereby, the lock mechanism for locking the base in the utility model is easy to operate.
  • the opposite ends of the limiting seat are respectively provided with opposite storage limits a position notch and a deployment limit notch; the opposite ends of the sliding defining platen are respectively provided with a receiving limit column and a deployment limit column; the storage limit notch and the unfolding limit notch respectively respectively and the storage limit column and the expansion
  • the limit column is in one-to-one correspondence; the sliding limit plate on the base plate is supported by the storage limit post against the storage limit notch, and the unfolding limit post is separated from the unfolding limit notch; and the storage on the limit seat when the base is unfolded
  • the limiting notch faces the locking through groove, and the unfolding limit post of the sliding limiting platen abuts against the unfolding limit notch, and the receiving limit post is separated from the receiving limit notch.
  • the setting is effective to avoid the need to fold the storage fan when the sliding limit pressure plate is slipped and lost from the limit seat, thereby avoiding the generation of scattered parts.
  • the fan when the fan is normally used, it is advantageous to ensure that the sliding of the sliding limited pressure plate is not offside, and the sliding limited pressure plate is pressed to apply symmetrical and balanced pressure to the movable front support and the movable rear support top surface, thereby ensuring that the pressure is ensured.
  • Base stability is effective to avoid the need to fold the storage fan when the sliding limit pressure plate is slipped and lost from the limit seat, thereby avoiding the generation of scattered parts.
  • the storage limit notch is an arc-shaped notch
  • the unfolding limit notch is an arc-shaped notch
  • the structure of the storage limiting post is a cylindrical shape matching the storage limit notch.
  • the structure of the unfolding limit post is a cylindrical shape matching the unfolding limit gap.
  • the pressing member includes a positioning seat and a lower pressing locking screw; the positioning seat is fixed on the top surface of the fixed left and right supporting seats, and the locking through groove is opened at the bottom thereof, and the top portion thereof And a pressing screw hole that communicates with the locking through groove; the lower pressing locking screw is disposed above the positioning seat and screwed with the pressing screw hole, and can extend into the locking through groove.
  • the simple structure of the pressing member further facilitates the user's operation without generating loose parts.
  • the sectional structure of the limiting seat is " ⁇ " shape; the sectional structure of the positioning seat is “ ⁇ ” shape; and the sectional structure of the sliding defining pressure plate is “ ⁇ " shape.
  • the support tube set includes two vertical risers vertically disposed on the top surfaces of the fixed left and right support seats and respectively located on opposite sides of the lower pressing member;
  • the turning mechanism includes a connecting tube installed on the top of the two vertical risers a three-way pipe, a fan head connecting pipe connected to the top of the fan head, and a locking member for locking the position of the tee pipe;
  • the three-way pipe is provided with two transverse ports coaxial with the axis and one axis and two lateral directions a vertical opening of the vertical axis of the opening;
  • the three-way pipe is sleeved around the connecting pipe and rotatable around the connecting pipe;
  • the fan head connecting pipe bottom is mounted on the vertical direction In the port;
  • the locking member is mounted on the tee.
  • the fan head can be turned upside down by using the tee tube to be turned around the connecting tube, thereby avoiding the deformation of the existing connecting block X41 due to the weight of the fan head, and the turning flexibility is good, and It is beneficial to extend the service life of the turning mechanism.
  • the locking member includes a locking screw hole that penetrates the side of the pipe wall of the three-way pipe and communicates with the pipe of the three-way pipe, and a triangular screw; the triangular screw is screwed with the locking screw hole And it can extend into the tee and press against the connecting tube.
  • the locking and loosening of the tee can be realized by manually rotating the triangular screw, which is easy to operate; and the force it receives is smaller than that of the automatic limit locking mechanism X42 of the existing turning mechanism X4. Better stability.
  • the inverting mechanism further includes a flip limiter for defining a toggle position of the tee; the flip limiter is a screw fastened to the connecting tube; the tee A flip limit slot communicating with the tee pipe is formed at one end; the head of the screw is exposed in the flip limit slot.
  • the flipping position of the tee pipe is limited, which avoids the horizontal force acting along the connecting pipe horizontally sliding during the turning process of the tee pipe, resulting in uneven force of the connecting pipe and instability when the fan head is working.
  • Phenomenon at the same time effectively limit the angle of the three-way pipe around the connecting pipe, thereby limiting the upper limit position and the lower limit position of the fan head upside down, which is beneficial to avoid a large swing when the fan head is turned upside down, and guarantees The fan head is turned upside down in an optimal position for easy deployment and storage.
  • the inverting mechanism further includes an automatic limiting member;
  • the automatic limiting member is a spring bolt
  • the socket includes a bolt seat vertically fixed to the other end of the tee tube, and passes through the bolt a limiting bolt of the hole, and a compression spring disposed in the bolt hole of the bolt seat and sleeved on the periphery of the limiting bolt;
  • the wall of the connecting pipe is provided with a limit for locking with the limiting bolt hole.
  • the automatic limiting member cooperates with the locking member to lock the position of the three-way pipe from two different positions and directions, further enhancing the stability of the locking of the three-way pipe, and further ensuring the stability of the working of the fan head.
  • both ends of one side of the movable front support seat are hingedly hinged to the fixed left and right support seats through a rotating shaft, and the movable rear support base is vertically fixed by a door hinge structure and a fixed type The support is articulated.
  • the movable hinge of the movable front support and the fixed left and right support is realized by the rotating shaft, which simplifies the hinge structure.
  • FIG. 1 is a schematic structural view of a prior art floor-standing vertical fan
  • FIG. 2 is a schematic view showing a normal use state of a conventional fan that can be folded and stored
  • Figure 3 is a schematic view showing the storage state of the electric fan shown in Figure 2;
  • Figure 4 is a schematic exploded view showing the structure of the electric fan shown in Figure 2;
  • Figure 5 is a schematic structural view of a first embodiment of the turning mechanism of the electric fan shown in Figure 3;
  • FIG. 6 is a schematic structural view of a second embodiment of the turning mechanism of the electric fan shown in FIG. 3;
  • FIG. 7 is a schematic structural view of a movable rear support seat in an electric fan of a foldable storage in the prior art
  • Figure 8 is a schematic view showing the structure of the lock hole in the movable rear support base and the fixed left and right support base in Figure 7;
  • FIG. 9 is a schematic structural view of another embodiment of a base in an electric fan of a foldable storage in the prior art.
  • Figure 10 is a schematic view showing another connection structure of the fixed left and right support seats and the detachable front and rear support bases in the base shown in Figure 9;
  • FIG. 11 is a schematic structural view of the foldable storage fan of the present invention when used with a floor-standing fan;
  • FIG. 12 is a schematic structural view of the foldable storage fan of the present invention when it is used in a floor fan;
  • Figure 13 is a schematic view showing the storage and folding state of the foldable storage fan of the present invention.
  • Figure 14 is a schematic exploded view showing the structure of the foldable storage fan shown in Figure 11;
  • Figure 15 is a top plan view of the base of the utility model
  • Figure 16 is an enlarged view of the structure shown at G in Figure 15;
  • Figure 17 is a schematic view showing the structure of the movable rear support base of the fan of the present invention when separated from the fixed left and right support seats;
  • Figure 18 is an enlarged plan view showing the structure shown at H in Figure 17;
  • Figure 19 is a schematic structural view of the locking mechanism of the present invention.
  • Figure 20 is a schematic exploded view showing the structure of the locking mechanism of the present invention.
  • Figure 21 is a schematic view showing a state in which the locking mechanism releases the locking of the base
  • Figure 22 is a schematic view showing the state when the locking mechanism locks the base
  • Figure 23 is a perspective view showing the rear view structure of the turning mechanism of the present invention.
  • Figure 24 is a schematic exploded view showing the structure of the turning mechanism of the present invention.
  • Figure 25 is a perspective view showing the front view structure of the turning mechanism of the present invention.
  • Figure 26 is an enlarged schematic view showing the structure shown at J in Figure 25;
  • Figure 27 is an enlarged partial cross-sectional view showing the structure shown at I in Figure 23;
  • 29 is a schematic view showing a state in which the turning mechanism of the present invention drives the fan head to be turned down into position
  • Figure 30 is a schematic view of the flip mechanism of the present invention driving the fan head upside down;
  • Figure 31 is a schematic view showing the state in which the turning mechanism of the present invention drives the fan head to be turned upside down;
  • Figure 32 is a schematic view of the base of the present invention when the base is completely folded;
  • Figure 33 is a schematic view showing the unfolding process of the movable front support
  • Figure 34 is a schematic view showing the unfolding process of the movable rear support
  • 35 is a schematic view showing a state in which a sliding restricting pressure plate in the locking mechanism slides in the direction of the limiting slot when the base is deployed;
  • FIG. 36 is a schematic view showing a state in which the sliding restricting pressure plate of FIG. 35 is slid in place and the lower pressing locking screw is tightened to lock the base;
  • the foldable storage fan of the present invention includes a fan head 1, a turning mechanism 2, a support tube set 3 and a base 4, and a locking mechanism 5 mounted on the base 4, which are sequentially connected.
  • the base 4 includes a fixed left and right support seat 41, a movable front support base 42, and a movable rear support base 43.
  • the fixed left and right support seats 41 are laterally parallel to the fan head 1; the movable front support base 42 and the movable rear support base 43 are respectively articulated to the opposite sides of the fixed left and right support seats 41.
  • a hinged mounting groove 411 is defined in a hinged portion of the fixed left and right support base 41 that is hinged to the movable front support base 42; the movable front support A side of the seat 42 that is hinged to the fixed left and right support seats 41 is disposed in the hinge mounting groove 411, and opposite ends of the movable front support base 42 are provided with a rotating shaft 421; the two rotating shafts 421 are sequentially
  • the movable front support 42 and the fixed left and right support 41 are realized by passing through both ends of the movable front support 42, the through hole 41A in the hinge mounting groove 411, and the nut 41B provided outside the hinge mounting groove 411. Hinged to enable the movable front support 42 to be turned up around the two shafts 421.
  • the movable rear support base 43 is movably hinged to the fixed left and right support seats 41 by a vertically disposed door hinge structure 431, so that the movable rear support base 43 can be horizontally folded toward the side of the fixed left and right support seats 41
  • the movable front support 42 and the movable rear support 43 are respectively hingedly hinged to the fixed left and right support.
  • the intermediate portion of the opposite sides of the seat 41, and in normal use, the fully deployed movable front support 42 and the fully deployed movable rear support 43 and the fixed left and right support seats 41 are formed by the base 4
  • the structure in plan view is a cross.
  • the movable front support base 42 and the fixed left and right support bases 41 are each provided with a roller (42a and 41a).
  • the locking mechanism 5 is used to lock the position of the fully deployed movable front support 42 and the movable rear support seat 43 to ensure the stability of the support of the base 4.
  • the locking mechanism 5 includes a slide defining pressure plate 51, a pressing member 52, and a limit seat 53.
  • the pressing member 52 is used for locking the sliding limiting platen 51, and is mounted on the top surface of the fixed left and right supporting seats 41, and a locking through groove 52A communicating with the top surface of the fixed left and right supporting seats 41 is defined at the bottom thereof. Both side openings of the locking through groove 52A open above the movable front support 42 and above the movable rear support 43, respectively.
  • the limiting seat 53 is used to define a sliding position of the sliding limiting platen 51, which is disposed on the top surface of the movable front support 42 or the movable rear support seat 43 and has a movable front support 42 or activity at the bottom thereof.
  • the sliding restricting pressure plate 51 is disposed in the limiting through groove 53A, and can slide through the locking through groove 52A along the limiting through groove 53A .
  • the limiting seat 53 is disposed on the top surface of the movable rear support seat 43, and the limiting through groove 53A communicates with the top surface of the movable rear support base 43.
  • the sliding limiting platen 51 is located on the top surface of the movable rear support base 43. One end thereof is located in the limiting through groove 53A, and the other end is exposed in the limiting through groove 53A, as shown in FIG.
  • the slide restricting pressure plate 51 is simultaneously located on the top surfaces of the movable rear support seat 43, the fixed left and right support seats 41 and the movable front support base 42, and is locked by the pressing member 52 to be pressed against the movable front support base 42 and fixed.
  • the top surfaces of the left and right support seats 41 and the movable rear support seats 43 realize the locking and unfolding base 4 as shown in FIG.
  • the pressing member 52 is disposed at an intermediate position of the top surface of the fixed left and right support seats 41.
  • the locking through groove 52A and the limiting through groove 53A of the base 4 are opposite to each other and are collinear, and the groove of the through groove 52A and the limiting through groove 53A are locked.
  • the width is equal.
  • the pressing member 52 includes a positioning seat 521 and a pressing lock screw 522.
  • the positioning seat 521 is fixed at an intermediate position of the top surface of the fixed left and right support seats 41.
  • the locking through groove 52A is opened at the bottom thereof, and a pressing portion communicating with the locking through groove 52A is opened at the top of the fixing seat.
  • Screw hole 52B The bottom end of the pressing screw hole 52B is fixed with an axially collinear lock nut 52C.
  • the lower pressing locking screw 522 is disposed above the positioning seat 521 and screwed with the pressing screw hole 52B and the lock nut 52C, and can extend into the locking through groove 52A.
  • the slide-restricted pressure plate 51 is slid from the limit seat 53 to be lost and a loose component is generated, and the balance of the pressure applied to the base 4 by the slide-limiting pressure plate 51 and the stability of the base 4 are ensured as
  • the opposite ends of the limiting seat 53 are respectively provided with opposite storage limit notches 531 and unfolding limit notches 532; and the opposite ends of the sliding limiting platen 51 are respectively opposite ends
  • the storage limit post 511 and the unfolding limit post 512 are located outside the limiting slot.
  • the storage limit notch 531 and the deployment limit notch 532 are in one-to-one correspondence with the storage limit post 511 and the deployment limit post 512, respectively.
  • the storage limiting post 511 on the sliding limiting platen 51 abuts against the receiving limit notch 531, and the unfolding limiting post 512 is separated from the unfolding limiting notch 532 to prevent the sliding limiting platen 51 from the limiting through slot.
  • the receiving limit notch 531 on the limiting seat 53 faces the locking through groove 52A, and the unfolding limit post 512 on the sliding limiting platen 51 abuts against the unfolding limit notch 532, and The storage limit post 511 is separated from the storage limit notch 531.
  • the storage limiting notch 531 is An arcuate notch
  • the unfolding limit notch 532 is an arcuate notch
  • the structure of the receiving limit post 511 is a cylindrical shape matching the receiving limit notch 531
  • the structure of the unfolding limit post 512 is a development limit
  • the bit gap 532 matches the cylindrical shape.
  • the sectional structure of the limiting seat 53 is “ ⁇ "-shaped; the sectional structure of the positioning seat 521 is “ ⁇ "-shaped; the sliding defines the section of the pressing plate 51
  • the structure is " ⁇ " shape.
  • the support tube set 3 includes two vertical risers (31 and 32) which are vertically disposed on the top surfaces of the fixed left and right support seats 41 and are respectively located on the pressing member 52.
  • the direction perpendicular to the two sides of the positioning block 521 and at the same time perpendicular to the axes of the two vertical risers (31 and 32) is perpendicular to the direction of the orthographic projection line on the top surface of the left and right support seats and the direction of the locking through groove 52A in the positioning seat 521 .
  • the inverting mechanism 2 includes a connecting tube 21, a tee tube 22, a fan head connecting tube 23, and a locking member 24.
  • the end portions of the connecting tube 21 are respectively provided with screw mounting holes 21a collinear with the axis thereof, and the top portions of the two vertical tubes (31 and 32) are provided with a mounting through hole coaxial with the axis of the thread mounting hole 21a. 3a; the threaded mounting holes 21a at both ends of the connecting pipe 21 are screwed with the bolts 6 extending through the mounting through holes 3a, so that the connecting pipe 21 is mounted on the top of the two upright pipes (31 and 32).
  • the tee tube 22 is provided with two transverse ports 221 and an axis coaxial with the axis
  • the vertical port 222 is perpendicular to the axis of the two transverse ports 221; and the two horizontal ports 221 and the vertical port 222 communicate with each other through the conduit of the tee 22.
  • the tee tube 22 is sleeved on the periphery of the connecting tube 21 through the two horizontal through holes 221 and is rotatable around the connecting tube 21 .
  • the top of the fan head connecting pipe 23 and the fan head connecting pipe 23 are installed in the bottom of the vertical port 222.
  • the locking member 24 is used to lock the position of the tee 22, which is mounted on the tee 22.
  • the locking member 24 includes a locking screw hole 241 and a triangular screw 242 that penetrates the pipe wall side of the tee pipe 22 in the axial direction and communicates with the pipe of the tee pipe 22.
  • the triangular screw 242 is screwed to the locking screw hole 241, and it can be inserted into the tee tube 22 by a screwing operation and presses the connecting tube 21.
  • the axis of the locking screw hole 241 is perpendicular to the axis of the two lateral ports 221 and the axis of the vertical port 222, and The foot on the axis of the two transverse ports 221 coincides with its foot on the axis of the vertical port 222.
  • the turning mechanism 2 further includes a flip limiter for defining the inverted position of the tee tube 22.
  • the inverting limiting member is a screw 25 fastened to the connecting tube 21; a turn-over limiting slot 223 is formed in a peripheral end of the three-way tube 22, and the head of the screw 25 is exposed.
  • the structure of the inversion limit groove 223 is curved, and the groove length is 0.5 to 0.8 times the circumference circumference of the periphery of the tee.
  • the inverting mechanism 2 further includes an automatic limiting member 26 as a more preferable technical solution.
  • the automatic limiting member 26 is a spring bolt, and includes a bolt seat 261 vertically fixed to the other end of the tee tube 22, a limit bolt 262 passing through the bolt hole of the bolt seat 261, and a bolt disposed on the bolt seat 261.
  • a compression spring 263 is disposed on the periphery of the limiting bolt 262.
  • the limiting wall 21b of the connecting pipe 21 is locked with the limiting bolt 262.
  • the top of the limiting bolt 262 is a ball-shaped pulling portion 26b for lifting the bottom of the limiting bolt from the limiting hole 21b to release the locking of the tee 22.
  • the axis of the limiting hole 21b is perpendicular to the axis of the locking screw hole 241, so that the spring bolt and the triangular screw 242 lock the tee tube 22 from different directions.
  • the utility model of the foldable storage fan of the utility model is as follows:
  • the rotary tee 22 is rotated to turn the fan head 1 up to the upright position, at which time the limit bolt 262 is just right. Directly facing the limiting hole 21b, it is subjected to the action of the compression spring 263. The force automatically pops into the limiting hole 21b, and the tee tube 22 is then locked. Then, the triangular screw 242 is tightened in the tightening direction, so that the triangular screw 242 passes through the pipe of the three-way pipe 22 and is pressed tightly against the connecting pipe 21 to further lock the three-way pipe 22, thereby improving the foldable storage of the utility model. The safety and stability of the fan.
  • the lower pressing locking screw 522 of the pressing member 52 is loosened in the loosening direction, so that the locking screw 522 is pressed down.
  • the portion is separated from the sliding limiting platen 51 and is no longer pressed against the sliding limiting platen 51; at this time, the sliding limiting platen 51 is in an unlocked state, and then the sliding limiting platen 51 is moved toward the limiting seat 53 to disengage the sliding limiting platen 51.
  • the locking seat 52a of the positioning seat 521 is fixed, and the sliding limiting platen 51 is completely located on the top surface of the movable rear bearing seat 43, and then the movable front bearing seat 42 and the movable rear bearing seat 43 are free. fold. Then, the movable front support 42 is turned up and down about the rotating shaft 421, and the movable rear support seat 43 is horizontally folded toward the fixed left and right support seats 41, thereby realizing the movable front support base 42 and the movable rear support. The folding of the seat 43. Referring to FIGS.
  • the movable front support 42 and the movable rear support 43 need to be turned from the collapsed state to the deployed support state, the movable front support 42 is turned down to the fixed left and right support.
  • the movable rear support base is opened in the direction of the fixed left and right support seats 41, so that the limit passage groove 53A of the limit seat 53 provided on the top surface thereof is facing the fixed orientation.
  • the top surface of the support seat 41 locks the opening of the through groove 52A.
  • the sliding restricting pressure plate 51 is pushed to extend the sliding restricting pressure plate 51 toward the end of the locking through groove 52A to extend the locking through groove 52A, and when the sliding limit plate 512 of the sliding plate 51 and the limiting seat 53 are unfolded.
  • the notch 532 abuts, the sliding limiting platen 51 is simultaneously located on the top surface of the movable rear support seat 43, the fixed left and right support seats 41 and the movable front support base 42.
  • the lower pressing locking screw 522 can be tightened in the tightening direction.
  • the lower pressing lock screw 522 is moved downward to press the sliding restricting pressure plate 51 tightly, so that the movable rear support seat 43, the fixed left and right support seats 41, and the movable front support base 42 can be locked.
  • the present invention also has other modified embodiments, such as:
  • the support tube set 3 further includes two height adjustment tubes.
  • the two height adjusting tubes are respectively fitted to the two vertical tubes (31 and 32), and the turning mechanism 2 is mounted on the top of the two height adjusting tubes.
  • the sectional structure of the limiting seat is " ⁇ " shape; the sectional structure of the positioning seat is “ ⁇ ” shape;
  • the sectional structure of the sliding limited pressure plate is “ ⁇ ” shape.
  • the sectional structure of the limiting seat is “ ⁇ ” shape; the sectional structure of the positioning seat is “ ⁇ ” shape; and the sectional structure of the sliding defining pressure plate is “ ⁇ ” shape.
  • the sectional structure of the limiting seat is “ ⁇ ” shape; the sectional structure of the positioning seat is “ ⁇ ” shape; and the sectional structure of the sliding defining pressure plate is “ ⁇ ” shape.
  • the sectional structure of the limiting seat is “ ⁇ ” shape; the sectional structure of the positioning seat is “ ⁇ ” shape; and the sectional structure of the sliding defining pressure plate is “ ⁇ ” shape.
  • the sectional structure of the limiting seat is “ ⁇ ” shape; the sectional structure of the positioning seat is “ ⁇ ” shape; and the sectional structure of the sliding defining pressure plate is “ ⁇ ” shape.
  • the structure for changing the storage limit notch that is, the storage limit notch is a polygonal notch or a circular notch.
  • the unfolding limit notch is a polygonal notch or a circular notch.
  • Changing the structure of the storage limit post that is, the structure of the storage limit post is a polygonal prism or a hook or a protrusion.
  • Changing the structure of the unfolding limit post, that is, the structure of the receiving limit post is a polygonal prism or a hook strip or a protrusion.
  • the foldable storage fan of the utility model not only greatly reduces the overall occupied space, but also facilitates packaging and transportation, saves transportation cost and reduces labor intensity, and effectively simplifies the assembly process, thereby greatly facilitating the user's storage and Used, and it has high security and greater practicality.

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Abstract

一种可折叠收纳风扇通过包括下压部件（52）、限位座（53）和滑动限定压板（51）的锁紧机构（5），在风扇正常使用时推动滑动限定压板一端穿伸锁紧通槽（52A），使得滑动限定压板同时位于活动式前支承座（42）、固定式左右支承座（41）及活动式后支承座（43）的顶面。再通过下压部件施加压力于滑动限定压板，实现滑动限定压板同时抵压活动式前支承座、固定式左右支承座和活动式后支承座。该风扇不仅大大缩减了整体占据的空间，方便包装运输，节省运输成本和降低劳动强度，而且有效地简化了组装工序，大大方便了使用者的收纳和使用，安全性高且实用性强。

Description

可折叠收纳风扇 技术领域
本实用新型涉及电风扇产品技术领域，特别是涉及一种可折叠收纳风扇。
背景技术
请参阅图1，由于常用的落地立式风扇的结构一般包括依次连接的风扇头x1、用于调节风扇头x1竖直高度的支撑杆x2和底座x3。但由于受到支撑杆x2升降高度的限制，风扇头x1可调节的高度范围有限，导致这种结构的风扇只能作为落地立式风扇使用，不能当做台式风扇使用。在包装运输时，需要将该落地立式风扇的风扇头x1、支撑杆x2和底座x3拆分并分开包装，拆卸过程费时费力，操作繁琐，容易导致细小零部件丢失。另外，即使将电风扇的各部分进行拆卸分开包装，但受到底座x3大小和支撑杆x2的长度影响，导致拆卸后的电风扇仍然需要占据较大的包装空间，增加了电风扇的包装成本和运输成本。且用户在使用时需要重新对该落地立式风扇进行组装，组装过程需要用到额外工具，不方便用户的即刻使用，增加用户操作负担。
为了克服所述落地立式风扇的上述缺陷，专利号为CN201120222227的实用新型专利公开了一种可折叠收纳的电风扇，通过增设一翻转机构实现风扇头的折叠收纳，及通过改变底座的结构，实现底座的可收折，从而实现了落地立式风扇的可折叠收纳，解决了所述落地立式风扇的上述缺陷。
具体地，请参阅图2～10，所述可折叠收纳的电风扇包括风扇头X1、用于将风扇头X1上下方向翻转的翻转机构X4、支撑管X2及底座X3。所述支撑管X2包括两直立管X21和分别套合于两直立管X21的两高度调节管X22。所述翻转机构X4包括连接在两高度调节管X22顶部的连接块X41、用于限位锁定连接块X41于支撑管X2的自动限位锁定机构X42、以及连接于连接块X41顶部中间位置的风扇头X1连接管X43。所述连接块X41的两端分别通过一转轴(X411和X412)与两高度调节管X22顶部活动铰接；所述自动限位锁定机构X42设置于连接块X41与其中一高度调节管的铰接处，如图5所示，所述自动限位锁定机构X42通过设置于连接块X41一端顶部的弹簧栓X421和设置于其中一高度调节管顶部的定位孔42实现对连接块X41的锁紧，或者，如图6所示，所述自动限位锁定机构X42通过安装于连接块X41一端端部和其中一高度调节管之间的棘轮棘爪组件X'421实现对连接块X41的锁紧。所述风扇头X1连接管X43顶部与所述风扇头X1连接。
如图4和图7所示，所述底座X3实现收折功能的结构包括与风扇头X1横向平行的固定式左右支承座X31、活动式前支承座X32、及活动式后支承座X33。所述活动式前支承座X32通过水平设置的第二门铰链结构X5与固定式左右支承座X31活动铰接，实现向上翻起以收 纳。所述活动式后支承座X33通过垂直设置的第一门铰链结构X6与固定式左右支承座X31的中部活动铰接，实现向固定式左右支承座X31的一侧水平折合以收纳。同时，如图4和图8所示，为了保证正常使用时底座X3支撑的稳定性，通过设置于固定式左右支承座X31的多个锁栓(X7和X8)分别与设置于活动式前支承座X32及活动式后支承座X33的锁孔X9之间的配合，实现活动式前支承座X32和活动式后支承座X33锁紧于固定式左右支承座X31。或者，如图9和图10所示，所述底座X'3实现收折功能还可以通过另一种方式——该底座X'3包括固定式左右支承座X'31和可拆式前后支承座X'32。所述可拆式前后支承座X'32通过索姆X'7、螺钉X'8和索头X'9(如图9所示)或者仅通过螺钉X”7(如图10所示)可拆卸式安装于固定式左右支承座X'31。
虽然通过可折叠收纳的电风扇的结构，解决了落地立式风扇所存在的缺陷，但是，所述可折叠收纳的电风扇仍存在以下缺陷：
(1)由于翻转机构X4实现风扇头X1的上下翻转是通过两端分别与两高度调节管X22顶部活动铰接的连接块X41在两高度调节管X22顶部之间绕轴竖直旋转实现的，且所述连接块X41为扁平长块状结构，并受到风扇头X1重量的影响，则会导致连接块X41因承受的作用力较大而容易发生变形，且其两端容易受到风扇头X1的作用力而影响翻转机构X4的翻转灵活性，影响翻转机构X4的使用寿命；
(2)由于翻转机构X4的限位锁紧是依靠设置于连接块X41其中一端和与该端铰接的高度调节管的铰接处的自动限位锁定机构X42，不论是弹簧栓X421结构的自动限位锁定机构X42，还是棘轮棘爪组件X'421结构的自动限位锁定机构X42，其只通过对一个方向的限定实现对翻转机构X4的限位锁紧，则容易导致翻转机构X4的限位锁定发生不稳定现象，且增加了自动限位锁定机构X42的负担；
(3)由底座结构可知，其具有两种实施方式——拆分成两部分结构(固定式左右支承座X'31和可拆式前后支承座X'32)或三部分结构(固定式左右支承座X31、活动式前支承座X32及活动式后支承座X33)而实现底座的收折。则当底座的结构选取固定式左右支承座X'31和可拆式前后支承座X'32时，包装或收纳时需对索姆、螺钉和索头等紧固件进行拆卸，使可拆式前后支承座X'32与固定式左右支承座X'31分离，这么一来，不仅增加了操作的繁琐度和浪费收纳需要的时间，而且产生较多的零部件，容易导致零部件丢失。同时，当底座的结构选取固定式左右支承座X31、活动式前支承座X32及活动式后支承座X33时，由于活动式前支承座X32和活动式后支承座X33在正常使用时，需要人手锁上三个锁栓才能实现锁定。并由于支点集中锁栓上，在长时间使用过程中，有可能出现支承座变形，锁孔移位而导致重复折叠使用时安装困难，减低了风扇的实用性。
实用新型内容
本实用新型的目的在于克服现有技术的缺点与不足，提供一种可折叠收纳风扇，通过改进的翻转机构和底座，不仅大大缩减了整体占据的空间，方便包装运输，节省运输成本和降低劳动强度，而且有效地简化了组装工序，大大方便了使用者的收纳和使用，安全性高且实用性强。
本实用新型是通过以下技术方案实现的：可折叠收纳风扇，其包括依次连接的风扇头、翻转机构、支撑管组和底座。所述底座包括与风扇头横向平行的固定式左右支承座、能向上翻起的活动式前支承座、能向固定式左右支承座一侧水平折合的活动式后支承座；所述活动式前支承座和活动式后支承座分别与固定式左右支承座的相对两侧活动铰接。进一步，所述可折叠收纳风扇还包括用于锁定活动式前支承座和活动式后支承座位置的锁紧机构。
所述锁紧机构包括滑动限定压板、用于锁定滑动限定压板的下压部件、以及用于限定滑动限定压板滑行位置的限位座。所述下压部件安装于所述固定式左右支承座顶面，且其底部开设有一与固定式左右支承座顶面连通的锁紧通槽，所述锁紧通槽的两侧开口分别通向活动式前支承座上方和活动式后支承座上方；所述限位座设置于活动式前支承座或活动式后支承座顶面，且其底部开设有一与活动式前支承座或活动式后支承座的顶面连通的限位通槽；所述滑动限定压板设置于所述限位通槽，并可沿限位通槽滑行穿伸所述锁紧通槽；
底座收纳时的滑动限定压板位于限位通槽，底座展开时的滑动限定压板同时位于限位通槽和锁紧通槽，并由下压部件锁定而抵压于活动式前支承座、固定式左右支承座及活动式后支承座的顶面。
通过上述技术方案中的锁紧机构，利用下压部件、限位座和滑动限定压板实现底座在正常使用时的固定，也即，当活动式前支承座和活动式后支承座展开与固定式支承座组成完整的底座后，此刻以限位座设置于活动式前支承座顶面为例说明，通过推动滑动限定压板一端穿伸锁紧通槽，使得滑动限定压板一端位于限位通槽中，也即位于活动式前支承座顶面，另一端外露于锁紧通槽并位于活动式后支承座顶面；于是，通过利用下压部件施加一压力于滑动限定压板，以使滑动限定压板同时抵压活动式前支承座、固定式左右支承座和活动式后支承座，从而实现滑动限定压板对底座的压紧，由此可知，本实用新型中用于锁定底座的锁紧机构易于操作、结构简单、不会产生零散部件，有效避免了零件的丢失，方便使用者操作，省时省力，增强风扇实用性与简便性，并缩小了底座的占据空间。因此，本实用新型可折叠收纳风扇不仅大大缩减了整体占据的空间，方便包装运输，节省运输成本和降低劳动强度，而且有效地简化了组装工序，大大方便了使用者的收纳和使用，且其具有更强的实用性。
作为本实用新型的进一步改进，所述限位座顶面相对两端分别开设有朝向相反的收纳限 位缺口和展开限位缺口；所述滑动限定压板顶面相对两端分别设有收纳限位柱和展开限位柱；所述收纳限位缺口和展开限位缺口分别与收纳限位柱和展开限位柱一一对应；底座收纳时的滑动限定压板上的收纳限位柱抵靠于收纳限位缺口，且展开限位柱与展开限位缺口分离；底座展开时的限位座上的收纳限位缺口朝向所述锁紧通槽，滑动限定压板上的展开限位柱抵靠于展开限位缺口，且收纳限位柱与收纳限位缺口分离。此处设置有效避免需要折叠收纳风扇时滑动限定压板从限位座中滑落而丢失，从而避免了零散部件的产生。同时在正常使用风扇时，有利于保证滑动限定压板的滑行不会越位，并有利于滑动限定压板受压而对活动式前支承座和活动式后支承座顶面施加对称且平衡的压力，保证底座稳定性。
作为本实用新型的进一步改进，所述收纳限位缺口为弧形缺口，所述展开限位缺口为弧形缺口；所述收纳限位柱的结构为与收纳限位缺口匹配的圆柱形，所述展开限位柱的结构为与展开限位缺口匹配的圆柱形。此处设置有利于增强限位座的缺口与滑动限定压板的限位柱更好地契合，增强接触紧密性，同时缓解了滑动限定压板在滑行过程中与限位座发生的碰撞。
本实用新型中，所述下压部件包括一定位座与一下压锁紧螺丝；所述定位座固设于固定式左右支承座顶面，其底部开设有所述锁紧通槽，且其顶部开设有一与所述锁紧通槽连通的抵压螺孔；所述下压锁紧螺丝设置于定位座上方并与抵压螺孔螺纹连接，且其可伸入所述锁紧通槽中。通过下压部件的简单结构，进一步方便了使用者操作，且不会产生零散部件。
本实用新型中，所述限位座的断面结构为“∏”形；所述定位座的断面结构为“∏”形；所述滑动限定压板的断面结构为“∏”形。
本实用新型中，所述支撑管组包括垂直设置于固定式左右支承座顶面并分别位于下压部件相对两侧外的两直立管；所述翻转机构包括安装于两直立管顶部的连接管、三通管、顶部与风扇头连接的风扇头连接管、以及用于锁定三通管位置的锁紧件；所述三通管开设有轴线共线的两横向通口以及一轴线与两横向通口轴线垂直的垂向通口；所述三通管通过所述两横向通口套设于所述连接管外围并可绕连接管转动；所述风扇头连接管底部安装于所述垂向通口中；所述锁紧件安装于所述三通管上。通过此处翻转机构的结构，利用三通管绕连接管翻转即可实现风扇头的上下翻转，避免了现有连接块X41因受到风扇头重量的影响而发生变形，翻转灵活性好，且有利于延长翻转机构的使用寿命。
本实用新型中，所述锁紧件包括沿轴向贯穿三通管管壁一侧并与三通管管道连通的锁紧螺孔、以及三角螺丝；所述三角螺丝与锁紧螺孔螺纹连接，且其可伸入所述三通管中并抵压所述连接管。通过锁紧件，只要手动旋转三角螺丝即可实现三通管的锁紧与松开，易于操作；且其承受的作用力相对于现有翻转机构X4的自动限位锁定机构X42较小，具有更好的稳定性。
作为本实用新型的进一步改进，所述翻转机构还包括一用于限定三通管翻转位置的翻转限位件；所述翻转限位件为一紧固于连接管的螺钉；所述三通管一端外围开设有一与三通管管道连通的翻转限位槽；所述螺钉的头部外露于翻转限位槽中。通过此处设置，对三通管的翻转位置进行限定，避免了在三通管翻转过程中会受到水平作用力沿连接管水平滑行而导致连接管受力不均及风扇头工作时发生不稳定现象；同时有效对三通管绕连接管翻转的角度进行限定，从而限定了风扇头上下翻转的上极限位置和下极限位置，有利于避免风扇头上下翻转时发生较大的摆动，以及保证了风扇头上下翻转都位于最佳位置，便于展开使用和收纳。
作为本实用新型的进一步改进，所述翻转机构还包括一自动限位件；所述自动限位件为弹簧栓，其包括垂直固设于三通管另一端的栓座、穿过栓座栓孔的限位栓杆、以及设置于栓座的栓孔内并套设于限位栓杆外围的压缩弹簧；所述连接管管壁开设有与所述限位栓杆配合锁紧的限位孔。通过自动限位件，与锁紧件共同作用，从两个不同的位置和方向对三通管的位置进行锁定，进一步增强对三通管锁定的稳固性，进一步保证风扇头工作的稳定性。
作为本实用新型的进一步改进，所述活动式前支承座一侧的两端均通过转轴与固定式左右支承座活动铰接，所述活动式后支承座通过垂直设置的门铰链结构与固定式左右支承座活动铰接。通过转轴实现活动式前支承座与固定式左右支承座的活动铰接，简化了铰接结构。
为了更好地理解和实施，下面结合附图详细说明本实用新型。
附图说明
图1是现有技术落地立式风扇的结构示意图；
图2是现有技术可折叠收纳的电风扇的正常使用状态示意图；
图3是图2所示的电风扇的收纳状态示意图；
图4是图2所示的电风扇的结构分解示意图；
图5是图3所示的电风扇的翻转机构的第一种实施方式的结构示意图；
图6是图3所示的电风扇的翻转机构的第二种实施方式的结构示意图；
图7是现有技术可折叠收纳的电风扇中活动式后支承座向上翻起的结构示意图；
图8是图7中活动式后支承座中锁栓与固定式左右支承座中锁孔的结构示意图；
图9是现有技术可折叠收纳的电风扇中底座的另一种实施方式的结构示意图；
图10是图9所示的底座中固定式左右支承座与可拆式前后支承座的另一种连接结构示意图；
图11是本实用新型可折叠收纳风扇以落地式风扇使用时的结构示意图；
图12是本实用新型可折叠收纳风扇以台地式风扇使用时的结构示意图；
图13是本实用新型可折叠收纳风扇的收纳折叠状态示意图；
图14是图11所示的可折叠收纳风扇的结构分解示意图；
图15是本实用新型中底座的俯视结构示意图；
图16是图15中G处所示的结构放大图；
图17是本实用新型风扇的活动式后支承座与固定式左右支承座分离时的结构示意图；
图18是图17中H处所示的结构放大图；
图19是本实用新型中锁紧机构的结构示意图；
图20是本实用新型中锁紧机构的结构分解示意图；
图21是锁紧机构解除对底座的锁定的状态示意图；
图22是锁紧机构锁定底座时的状态示意图；
图23是本实用新型中翻转机构的后视结构立体示意图；
图24是本实用新型中翻转机构的结构分解示意图；
图25是本实用新型中翻转机构的前视结构立体示意图；
图26图25中J处所示的结构放大示意图；
图27是图23中I处所示的结构放大局部剖视图；
图28是本实用新型的翻转机构转动过程的示意图；
图29是本实用新型的翻转机构带动风扇头向下翻转到位时的状态示意图；
图30是本实用新型的翻转机构带动风扇头向上翻转过程的示意图；
图31是本实用新型的翻转机构带动风扇头向上翻转到位时的状态示意图；
图32是本实用新型的底座完全收折时的示意图；
图33是活动式前支承座展开过程的示意图；
图34是活动式后支承座展开过程的示意图；
图35是底座展开时锁紧机构中的滑动限定压板往限位通槽方向滑动时的状态示意图；
图36是图35中的滑动限定压板滑动到位后拧紧下压锁紧螺丝以锁定底座时的状态示意图；
具体实施方式
请参阅图11～13，本实用新型可折叠收纳风扇包括依次连接的风扇头1、翻转机构2、支撑管组3和底座4、以及安装于底座4上的锁紧机构5。
请参阅图14～18，所述底座4包括固定式左右支承座41、活动式前支承座42和活动式后支承座43。所述固定式左右支承座41与风扇头1横向平行；所述活动式前支承座42和活动式后支承座43分别与固定式左右支承座41相对两侧活动铰接。具体地，所述固定式左右支承座41中与活动式前支承座42铰接的铰接处开设有一铰接安装槽411；所述活动式前支承 座42中与固定式左右支承座41铰接的一侧设置于所述铰接安装槽411中，且活动式前支承座42该侧的相对两端均设有转轴421；所述两转轴421分别依次穿过活动式前支承座42所述两端、铰接安装槽411中的通孔41A及设置于铰接安装槽411外的螺母41B，实现活动式前支承座42和固定式左右支承座41的活动铰接，以使活动式前支承座42能够绕所述两转轴421向上翻起。所述活动式后支承座43通过垂直设置的门铰链结构431与固定式左右支承座41活动铰接，以实现活动式后支承座43能够向固定式左右支承座41一侧水平折合。
进一步，为了增强需要正常使用风扇时底座4对风扇支撑的稳定性，作为一种更优的技术方案，所述活动式前支承座42和活动式后支承座43分别活动铰接于固定式左右支承座41的相对两侧的中间部分，且在正常使用时，完全展开后的活动式前支承座42和完全展开后的活动式后支承座43与固定式左右支承座41组合形成的底座4的俯视结构为十字形。
进一步，为了方便移动本实用新型可折叠收纳风扇，作为一种更优的技术方案，所述活动式前支承座42和固定式左右支承座41均设有一滚轮(42a和41a)。
请参阅图14、图19～22，所述锁紧机构5用于锁定完全展开后的活动式前支承座42和活动式后支承座43位置，以保证底座4支撑的稳定性。具体地，所述锁紧机构5包括滑动限定压板51、下压部件52和限位座53。所述下压部件52用于锁定滑动限定压板51，其安装于固定式左右支承座41顶面，且其底部开设有一与固定式左右支承座41顶面连通的锁紧通槽52A，所述锁紧通槽52A的两侧开口分别通向活动式前支承座42上方和活动式后支承座43上方。所述限位座53用于限定滑动限定压板51的滑行位置，其设置于活动式前支承座42或活动式后支承座43顶面，且其底部开设有一与活动式前支承座42或活动式后支承座43的顶面连通的限位通槽53A；所述滑动限定压板51设置于所述限位通槽53A，并可沿限位通槽53A滑行穿伸所述锁紧通槽52A。在本实施例中，所述限位座53设置于活动式后支承座43顶面，所述限位通槽53A与活动式后支承座43顶面连通。底座4收纳时，所述滑动限定压板51位于活动式后支承座43顶面，其一端位于限位通槽53A，另一端外露于限位通槽53A，如图21所示。底座4展开时，所述滑动限定压板51一端位于限位通槽53A，另一端穿伸锁紧通槽52A并外露于锁紧通槽52A而位于活动式前支承座42顶面，也即，此时滑动限定压板51同时位于活动式后支承座43、固定式左右支承座41和活动式前支承座42顶面，并由下压部件52锁定而抵压于活动式前支承座42、固定式左右支承座41及活动式后支承座43的顶面，实现锁紧展开后的底座4，如图22所示。
进一步，为了保证锁紧机构5施加于底座4的压力的平衡性，以进一步增强底座4支撑的稳定性，优选的，所述下压部件52设置于固定式左右支承座41顶面的中间位置上，底座4展开后的锁紧通槽52A和限位通槽53A相向且共线，且锁紧通槽52A和限位通槽53A的槽 宽相等。
具体地，所述下压部件52包括定位座521与下压锁紧螺丝522。所述定位座521固设于固定式左右支承座41顶面的中间位置上，其底部开设有所述锁紧通槽52A，且其顶部开设有一与所述锁紧通槽52A连通的抵压螺孔52B。所述抵压螺孔52B底端端部固设有一轴线共线的锁紧螺母52C。所述下压锁紧螺丝522设置于定位座521上方并与抵压螺孔52B及锁紧螺母52C螺纹连接，且其可伸入所述锁紧通槽52A中。
进一步，为了避免需要折叠收纳风扇时滑动限定压板51从限位座53中滑落而丢失及产生零散部件，并保证滑动限定压板51施加于底座4的压力的平衡性及底座4的稳定性，作为一种更优的技术方案，所述限位座53顶面相对两端分别开设有朝向相反的收纳限位缺口531和展开限位缺口532；以及所述滑动限定压板51顶面相对两端分别设有位于限位槽外的收纳限位柱511和展开限位柱512。所述收纳限位缺口531和展开限位缺口532分别与收纳限位柱511和展开限位柱512一一对应。底座4收纳时，滑动限定压板51上的收纳限位柱511抵靠于收纳限位缺口531，且展开限位柱512与展开限位缺口532分离，以避免滑动限定压板51从限位通槽53A中滑落；底座4展开时，限位座53上的收纳限位缺口531朝向所述锁紧通槽52A，滑动限定压板51上的展开限位柱512抵靠于展开限位缺口532，且收纳限位柱511与收纳限位缺口531分离。
进一步，为了使得限位座53的缺口与滑动限定压板51的限位柱更好地契合，以增强接触紧密性及减少碰撞，作为一种更优的技术方案，所述收纳限位缺口531为弧形缺口，所述展开限位缺口532为弧形缺口；所述收纳限位柱511的结构为与收纳限位缺口531匹配的圆柱形，所述展开限位柱512的结构为与展开限位缺口532匹配的圆柱形。
在本实施例中，为了方便制造和简化结构，所述限位座53的断面结构为“∏”形；所述定位座521的断面结构为“∏”形；所述滑动限定压板51的断面结构为“∏”形。
请参阅图14，所述支撑管组3包括两直立管(31和32)，所述两直立管(31和32)垂直设置于固定式左右支承座41顶面并分别位于下压部件52的定位座521相对两侧外，且同时垂直于两直立管(31和32)轴线的直线在左右支承座顶面上的正投影线的方向与定位座521中锁紧通槽52A的通向垂直。
请参阅图14、图23～28，所述翻转机构2包括连接管21、三通管22、风扇头连接管23和锁紧件24。所述连接管21两端端部均开设有与其轴线共线的螺纹安装孔21a，所述两直立管(31和32)顶部均开设有一与所述螺纹安装孔21a轴线共线的安装通孔3a；所述连接管21两端的螺纹安装孔21a均与穿伸所述安装通孔3a的螺栓6螺纹连接，以实现连接管21安装于两直立管(31和32)顶部。所述三通管22开设有轴线共线的两横向通口221以及一轴 线与两横向通口221轴线垂直的垂向通口222；且所述两横向通口221与所述垂向通口222通过三通管22的管道相互连通。所述三通管22通过所述两横向通口221套设于所述连接管21外围并可绕连接管21转动。所述风扇头连接管23顶部与风扇头连接管23，底部安装于所述垂向通口222中。所述锁紧件24用于锁定三通管22位置，其安装于所述三通管22上。
本实施例中，所述锁紧件24包括沿轴向贯穿三通管22管壁一侧并与三通管22管道连通的锁紧螺孔241、以及三角螺丝242。所述三角螺丝242与锁紧螺孔241螺纹连接，且其可通过旋紧操作而伸入所述三通管22中并抵压所述连接管21。为了三角螺丝242更好地锁紧三通管22，优选地，所述锁紧螺孔241的轴线同时垂直于所述两横向通口221的轴线和垂向通口222的轴线，且其在两横向通口221轴线上的垂足与其在垂向通口222轴线上的垂足重合。
进一步，为了避免在三通管22翻转过程中会受到水平作用力沿连接管21水平滑行而导致连接管21受力不均及风扇头1工作时发生不稳定现象，并保证风扇头1上下翻转都位于最佳位置；作为一种更优的技术方案，所述翻转机构2还包括一用于限定三通管22翻转位置的翻转限位件。所述翻转限位件为一紧固于连接管21的螺钉25；所述三通管22一端外围开设有一与三通管22管道连通的翻转限位槽223；所述螺钉25的头部外露于翻转限位槽223中。在本实施例中，所述翻转限位槽223的结构为弧形，且其槽长为三通管外围圆周周长的0.5～0.8倍。
为了进一步增强对三通管22锁定的稳固性，提高风扇头1工作的稳定性，作为一种更优的技术方案，所述翻转机构2还包括一自动限位件26。所述自动限位件26为弹簧栓，其包括垂直固设于三通管22另一端的栓座261、穿过栓座261栓孔的限位栓杆262、以及设置于栓座261的栓孔内并套设于限位栓杆262外围的压缩弹簧263；所述连接管21管壁开设有与所述限位栓杆262配合锁紧的限位孔21b。所述限位栓杆262顶部为一球体结构的拉提部26b，以方便将限位栓底部从限位孔21b中提拉出来，解除对三通管22的锁紧。所述限位孔21b轴线与所述锁紧螺孔241轴线垂直，从而使得所述弹簧栓和所述三角螺丝242从不同的方向锁紧三通管22。
本实用新型可折叠收纳风扇的使用方法如下：
请参阅图29，当需要将风扇头1向下方向翻转时，往松开方向旋松三角螺丝242，使三角螺丝242与连接管21分离；然后，向上提拉限位栓杆262，使限位栓杆262脱离连接管21上的限位孔21b，此时，即可使翻转机构2处于解锁状态，通过转动三通管22即可实现风扇头1的自由翻转，使得风扇头1收折于所述两直立管(31和32)一侧。请参阅图30和图31，然而，当需要将风扇头1由收折状态翻转到立式风扇状态时，转动三通管22使风扇头1向上翻转至直立位置，此时限位栓杆262刚好正对所述限位孔21b，则受到压缩弹簧263的作用 力而自动弹入到所述限位孔21b中，三通管22随即被锁定。于是，往拧紧方向旋紧三角螺丝242，使三角螺丝242穿过三通管22的管道而紧紧抵压于连接管21，实现对三通管22的进一步锁定，提高本实用新型可折叠收纳风扇的安全性及稳定性。
请参阅图32，当需要将活动式前支承座42和活动式后支承座43收折时，往松开方向旋松下压部件52的下压锁紧螺丝522，使下压锁紧螺丝522端部与滑动限定压板51分离，不再抵压滑动限定压板51；此时，滑动限定压板51即处于解锁状态，随即将滑动限定压板51往限位座53方向移动，使滑动限定压板51脱离下压部件52中定位座521的锁紧通槽52A，并使滑动限定压板51完全位于活动式后支承座43顶面，则此时活动式前支承座42和活动式后支承座43即可自由折叠。于是，将活动式前支承座42绕转轴421转动向上翻起，将活动式后支承座43向固定式左右支承座41一侧水平折合，由此实现活动式前支承座42和活动式后支承座43的收折。请参阅图33～36，当需要将活动式前支承座42和活动式后支承座43由收折状态翻转到展开支撑状态时，将活动式前支承座42向下翻转至固定式左右支承座41所在的平面上，然后将活动式后支撑座往固定式左右支承座41方向打开，使设置于其顶面的限位座53中的限位通槽53A通口正对朝向位于固定式左右支承座41顶面的锁紧通槽52A的通口。此时，推动滑动限定压板51，使滑动限定压板51朝向锁紧通槽52A的一端穿伸锁紧通槽52A，当滑动限定压板51的展开限位柱512与限位座53的展开限位缺口532抵接时，滑动限定压板51同时位于活动式后支承座43、固定式左右支承座41及活动式前支承座42顶面，此时即可往拧紧方向旋紧下压锁紧螺丝522，使下压锁紧螺丝522往下运动紧紧抵压滑动限定压板51，即可实现对活动式后支承座43、固定式左右支承座41及活动式前支承座42的锁定。
另外，本实用新型还具有其它变形实施例，例如：
(1)所述支撑管组3还包括两高度调节管。所述两高度调节管分别套合于两直立管(31和32)，所述翻转机构2安装于两高度调节管顶部。
(2)改变限位座、定位座和滑动限定压板的断面结构，也即，所述限位座的断面结构为“∩”形；所述定位座的断面结构为“∩”形；所述滑动限定压板的断面结构为“∩”形。或者，所述限位座的断面结构为“∧”形；所述定位座的断面结构为“∧”形；所述滑动限定压板的断面结构为“∧”形。或者，所述限位座的断面结构为“Η”形；所述定位座的断面结构为“Η”形；所述滑动限定压板的断面结构为“Η”形。或者，所述限位座的断面结构为“Μ”形；所述定位座的断面结构为“Μ”形；所述滑动限定压板的断面结构为“Μ”形。
(3)改变收纳限位缺口的结构，也即，所述收纳限位缺口为多边形缺口或圆形缺口。
(4)改变展开限位缺口的结构，也即，所述展开限位缺口为多边形缺口或圆形缺口。
(5)改变收纳限位柱的结构，也即，所述收纳限位柱的结构为多棱柱或钩条或凸起。
(6)改变展开限位柱的结构，也即，所述收纳限位柱的结构为多棱柱或钩条或凸起。
相对于现有技术，本实用新型可折叠收纳风扇不仅大大缩减了整体占据的空间，方便包装运输，节省运输成本和降低劳动强度，而且有效地简化了组装工序，大大方便了使用者的收纳和使用，且其具有高安全性和更强的实用性。
本实用新型并不局限于上述实施方式，如果对本实用新型的各种改动或变形不脱离本实用新型的精神和范围，倘若这些改动和变形属于本实用新型的权利要求和等同技术范围之内，则本实用新型也意图包含这些改动和变形。

Claims (10)

  1. 一种可折叠收纳风扇，包括依次连接的风扇头、翻转机构、支撑管组和底座；所述底座包括与风扇头横向平行的固定式左右支承座、能向上翻起的活动式前支承座、能向固定式左右支承座一侧水平折合的活动式后支承座；所述活动式前支承座和活动式后支承座分别与固定式左右支承座的相对两侧活动铰接；其特征在于：还包括用于锁定活动式前支承座和活动式后支承座位置的锁紧机构；
    所述锁紧机构包括滑动限定压板、用于锁定滑动限定压板的下压部件、以及用于限定滑动限定压板滑行位置的限位座；所述下压部件安装于所述固定式左右支承座顶面，且其底部开设有一与固定式左右支承座顶面连通的锁紧通槽，所述锁紧通槽的两侧开口分别通向活动式前支承座上方和活动式后支承座上方；所述限位座设置于活动式前支承座或活动式后支承座顶面，且其底部开设有一与活动式前支承座或活动式后支承座的顶面连通的限位通槽；所述滑动限定压板设置于所述限位通槽，并可沿限位通槽滑行穿伸所述锁紧通槽；
    底座收纳时的滑动限定压板位于限位通槽，底座展开时的滑动限定压板同时位于限位通槽和锁紧通槽，并由下压部件锁定而抵压于活动式前支承座、固定式左右支承座及活动式后支承座的顶面。
  2. 根据权利要求1所述的可折叠收纳风扇，其特征在于：所述限位座顶面相对两端分别开设有朝向相反的收纳限位缺口和展开限位缺口；所述滑动限定压板顶面相对两端分别设有收纳限位柱和展开限位柱；所述收纳限位缺口和展开限位缺口分别与收纳限位柱和展开限位柱一一对应；底座收纳时的滑动限定压板上的收纳限位柱抵靠于收纳限位缺口，且展开限位柱与展开限位缺口分离；底座展开时的限位座上的收纳限位缺口朝向所述锁紧通槽，滑动限定压板上的展开限位柱抵靠于展开限位缺口，且收纳限位柱与收纳限位缺口分离。
  3. 根据权利要求2所述的可折叠收纳风扇，其特征在于：所述收纳限位缺口为弧形缺口，所述展开限位缺口为弧形缺口；所述收纳限位柱的结构为与收纳限位缺口匹配的圆柱形，所述展开限位柱的结构为与展开限位缺口匹配的圆柱形。
  4. 根据权利要求1所述的可折叠收纳风扇，其特征在于：所述下压部件包括一定位座与一下压锁紧螺丝；所述定位座固设于固定式左右支承座顶面，其底部开设有所述锁紧通槽，且其顶部开设有一与所述锁紧通槽连通的抵压螺孔；所述下压锁紧螺丝设置于定位座上方并与抵压螺孔螺纹连接，且其可伸入所述锁紧通槽中。
  5. 根据权利要求3所述的可折叠收纳风扇，其特征在于：所述限位座的断面结构为“∏”形；所述定位座的断面结构为“∏”形；所述滑动限定压板的断面结构为“∏”形。
  6. 根据权利要求1所述的可折叠收纳风扇，其特征在于：所述支撑管组包括垂直设置于固定式左右支承座顶面并分别位于下压部件相对两侧外的两直立管；所述翻转机构包括安装于两直立管顶部的连接管、三通管、顶部与风扇头连接的风扇头连接管、以及用于锁定三通管位置的锁紧件；所述三通管开设有轴线共线的两横向通口以及一轴线与两横向通口轴线垂直的垂向通口；所述三通管通过所述两横向通口套设于所述连接管外围并可绕连接管转动；所述风扇头连接管底部安装于所述垂向通口中；所述锁紧件安装于所述三通管上。
  7. 根据权利要求6所述的可折叠收纳风扇，其特征在于：所述锁紧件包括沿轴向贯穿三通管管壁一侧并与三通管管道连通的锁紧螺孔、以及三角螺丝；所述三角螺丝与锁紧螺孔螺纹连接，且其可伸入所述三通管中并抵压所述连接管。
  8. 根据权利要求6所述的可折叠收纳风尚，其特征在于：所述翻转机构还包括一用于限定三通管翻转位置的翻转限位件；所述翻转限位件为一紧固于连接管的螺钉；所述三通管一端外围开设有一与三通管管道连通的翻转限位槽；所述螺钉的头部外露于翻转限位槽中。
  9. 根据权利要求8所述的可折叠收纳风扇，其特征在于：所述翻转机构还包括一自动限位件；所述自动限位件为弹簧栓，其包括垂直固设于三通管另一端的栓座、穿过栓座栓孔的限位栓杆、以及设置于栓座的栓孔内并套设于限位栓杆外围的压缩弹簧；所述连接管管壁开设有与所述限位栓杆配合锁紧的限位孔。
  10. 根据权利要求1所述的可折叠收纳风扇，其特征在于：所述活动式前支承座一侧的两端均通过转轴与固定式左右支承座活动铰接，所述活动式后支承座通过垂直设置的门铰链结构与固定式左右支承座活动铰接。
PCT/CN2015/078196 2015-05-04 2015-05-04 可折叠收纳风扇 WO2016176802A1 (zh)

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CN108776701A (zh) * 2018-06-11 2018-11-09 广州中盈电信科技有限公司 一种教育视频管理系统
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