CN113530867B

CN113530867B - Double-head high-low fan

Info

Publication number: CN113530867B
Application number: CN202110953238.6A
Authority: CN
Inventors: 宋安; 廖丰政
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-19
Filing date: 2021-08-19
Publication date: 2022-05-31
Anticipated expiration: 2041-08-19
Also published as: CN113530867A

Abstract

The invention relates to the technical field of fans, and discloses a double-head high-low fan, which solves the problems that the existing fan is inconvenient to disassemble and assemble and the height adjustment cannot be completed quickly, and comprises a support frame, wherein the middle part of the upper end of the support frame is rotationally connected with an installation seat through a rotating shaft, one end of the installation seat is connected with a fastening knob, the upper end and the lower end of the installation seat are respectively and movably clamped with an upper connecting frame and a lower connecting frame, and the inner parts of the upper connecting frame and the lower connecting frame are rotationally connected with an upper fan body and a lower fan body; according to the upper fan body and the lower fan body, the upper fan body and the lower fan body are convenient to disassemble, so that the upper fan body and the lower fan body are convenient to overhaul and maintain; according to the invention, through the arrangement of the lifting mechanism, compared with the traditional bolt loosening mode, the structure is more convenient and faster to adjust.

Description

Double-head high-low fan

Technical Field

The invention belongs to the technical field of fans, and particularly relates to a double-head high-low fan.

Background

Fan refers to a tool for cooling by generating wind in hot days. The electric fan is a device which is driven by electricity to generate air flow, and the fan arranged in the electric fan rotates after being electrified, so that the electric fan is converted into natural wind to achieve the cooling effect.

Traditional fan when dismantling maintenance, need utilize the instrument to become flexible with the fixing bolt who connects, then can pull down the fan main part, also need utilize the instrument to screw up fixing bolt during the installation, such mode for the fan is comparatively inconvenient when dismantling and installing, and in addition, traditional fan altitude mixture control also needs not hard up the bolt mode and adjusts, and the regulation can not be accomplished fast.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides the double-head high-low fan, which effectively solves the problems that the existing fan is inconvenient to disassemble and assemble and the height adjustment cannot be completed quickly.

In order to achieve the purpose, the invention provides the following technical scheme: a double-head high-low fan comprises a supporting frame, wherein the middle part of the upper end of the supporting frame is rotatably connected with an installation seat through a rotating shaft, one end of the installation seat is connected with a fastening knob, the upper end and the lower end of the installation seat are respectively and movably clamped with an upper connecting frame and a lower connecting frame, the inner parts of the upper connecting frame and the lower connecting frame are rotatably connected with an upper fan body and a lower fan body, and the lower end of the supporting frame is connected with a lifting mechanism;

go up the link and all be connected with the connecting block with link one end middle part down, the connecting block both ends are all rotated and are connected with the grafting piece, be connected with first spring between two relative one sides of grafting piece, the arc wall has all been seted up to two relative one sides of grafting piece, the grafting groove has all been seted up at both ends about the mount pad, grafting groove internal connection has the extension board, the extension board upper end is connected with the cylinder, the recess has all been seted up to the inside both sides of mount pad, the inside through connection of recess has the locating lever, locating lever one end is connected with the pull ring, locating lever outer end one side is connected with the dog, dog one side is connected with the second spring, the locating lever outside is located to the second spring housing, two the grafting piece lower extreme all is V type structure setting, grafting groove and grafting piece looks adaptation, the locating hole has been seted up to grafting piece side, the locating lever corresponds looks adaptation with the locating hole.

Preferably, elevating system includes the bottom plate, and the bottom plate upper end is connected with a support section of thick bamboo, and the inside swing joint of a support section of thick bamboo has the movable rod, and the platform type groove has evenly been seted up to the movable rod outside, and support section of thick bamboo upper portion both sides have all been seted up the opening, and the inside rotation of opening is connected with the fixture block, and fixture block one end is connected with the handle, and the handle outer end is connected with the casing, is connected with the third spring between handle and the support section of thick bamboo.

Preferably, the notch has been seted up at support frame upper end middle part, and the inside both sides of notch all are connected with the fixed block, and the pivot is installed between two fixed blocks.

Preferably, the upper fan body and the lower fan body are movably connected with the upper connecting frame and the lower connecting frame through adjusting knobs.

Compared with the prior art, the invention has the beneficial effects that:

(1) according to the invention, the inserting blocks on the upper connecting frame and the lower connecting frame are inserted into the inserting grooves, so that the two inserting blocks are gradually close to each other to clamp the cylinder body into the arc-shaped groove, and meanwhile, the positioning rod is clamped with the positioning hole under the action of the second spring, so that the upper connecting frame and the lower connecting frame are clamped with the mounting seat, and the mounting of the upper fan body and the lower fan body is completed;

(2) according to the invention, the positioning rod is separated from the positioning hole by pulling the pull ring outwards, and then the upper connecting frame or the lower connecting frame is pulled upwards to separate from the inserting groove, so that the upper fan body and the lower fan body are disassembled, and the upper fan body and the lower fan body are conveniently disassembled through the structure, so that the maintenance is convenient;

(3) the lifting mechanism is arranged, the handles on the two sides are inwards extruded, the clamping block is enabled to upwards rotate and be separated from the table-shaped groove, then the movable rod is vertically adjusted, the height of the upper fan body and the height of the lower fan body are vertically adjusted, after the adjustment, the handles are loosened, the clamping block is in clamping and abutting contact with the table-shaped groove, and therefore the purpose of adjusting the height of the device is achieved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.

In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a partially enlarged structure of the present invention;

FIG. 3 is an enlarged schematic view of A of FIG. 2 according to the present invention;

FIG. 4 is a schematic structural diagram of the lifting mechanism of the present invention;

in the figure: 1. a support frame; 2. a rotating shaft; 3. a mounting seat; 4. fastening a knob; 5. an upper connecting frame; 6. a lower connecting frame; 7. an upper fan body; 8. a lower fan body; 9. a lifting mechanism; 901. a base plate; 902. a support cylinder; 903. a movable rod; 904. a platform-shaped groove; 905. an opening; 906. a clamping block; 907. a handle; 908. a housing; 909. a third spring; 10. connecting blocks; 11. an insertion block; 12. a first spring; 13. an arc-shaped slot; 14. inserting grooves; 15. a support plate; 16. a cylinder; 17. a groove; 18. positioning a rod; 19. a pull ring; 20. a stopper; 21. a second spring; 22. positioning holes; 23. a fixed block; 24. and adjusting a knob.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the first embodiment, as shown in fig. 1-4, the invention includes a support frame 1, the middle part of the upper end of the support frame 1 is rotatably connected with a mounting base 3 through a rotating shaft 2, the middle part of the upper end of the support frame 1 is provided with a notch, two sides inside the notch are both connected with fixed blocks 23, the rotating shaft 2 is installed between the two fixed blocks 23, the mounting base 3 is conveniently installed by using the rotating shaft 2, one end of the mounting base 3 is connected with a fastening knob 4, the upper and lower ends of the mounting base 3 are respectively and movably clamped with an upper connecting frame 5 and a lower connecting frame 6, the inner parts of the upper connecting frame 5 and the lower connecting frame 6 are both rotatably connected with an upper fan body 7 and a lower fan body 8, the upper fan body 7 and the lower fan body 8 are both movably connected with the upper connecting frame 5 and the lower connecting frame 6 through adjusting knobs 24, so as to conveniently adjust the blowing angle of the upper fan body 7 and the lower fan body 8, and the lower end of the support frame 1 is connected with a lifting mechanism 9;

the middle parts of one ends of an upper connecting frame 5 and a lower connecting frame 6 are both connected with a connecting block 10, both ends of the connecting block 10 are both rotatably connected with an inserting block 11, a first spring 12 is connected between the opposite sides of the two inserting blocks 11, an arc-shaped groove 13 is formed on the opposite side of the two inserting blocks 11, inserting grooves 14 are formed on the upper end and the lower end of a mounting seat 3, a support plate 15 is connected inside the inserting grooves 14, a column 16 is connected on the upper end of the support plate 15, grooves 17 are formed on both sides inside the mounting seat 3, a positioning rod 18 is penetratingly connected inside the grooves 17, one end of the positioning rod 18 is connected with a pull ring 19, one side of the outer end of the positioning rod 18 is connected with a stop block 20, one side of the stop block 20 is connected with a second spring 21, the second spring 21 is sleeved outside the positioning rod 18, the lower ends of the two inserting blocks 11 are both arranged in a V-shaped structure, the inserting grooves 14 are matched with the inserting blocks 11, and positioning holes 22 are formed on the side ends of the inserting blocks 11, the positioning rod 18 is correspondingly matched with the positioning hole 22;

when the upper connecting frame 5 and the lower connecting frame 6 are installed conveniently, the inserting blocks 11 are inserted into the inserting grooves 14, the two inserting blocks 11 are enabled to be gradually close under the guide of the V-shaped inclined plane along with the insertion of the inserting blocks 11, then the column 16 is clamped into the arc-shaped groove 13, meanwhile, along with the downward insertion of the two inserting blocks 11, the positioning rod 18 is extruded towards two sides under the action of the lower V-shaped structure until the positioning hole 22 corresponds to the positioning rod 18, the positioning rod 18 is clamped with the positioning hole 22 under the action of the second spring 21, so that the upper connecting frame 5 and the lower connecting frame 6 are clamped with the mounting seat 3, and the installation of the upper fan body 7 and the lower fan body 8 is completed;

when the upper fan body 7 and the lower fan body 8 need to be disassembled, the pull ring 19 is pulled outwards, so that the positioning rod 18 is separated from the positioning hole 22, and then the upper connecting frame 5 or the lower connecting frame 6 is pulled upwards to be separated from the inserting groove 14, so that the upper fan body 7 and the lower fan body 8 are disassembled.

In the second embodiment, on the basis of the first embodiment, the lifting mechanism 9 includes a bottom plate 901, the upper end of the bottom plate 901 is connected with a support cylinder 902, a movable rod 903 is movably connected inside the support cylinder 902, a table-shaped groove 904 is uniformly formed outside the movable rod 903, openings 905 are formed in both sides of the upper portion of the support cylinder 902, a fixture block 906 is rotatably connected inside the opening 905, one end of the fixture block 906 is connected with a handle 907, the outer end of the handle 907 is connected with a housing 908, and a third spring 909 is connected between the handle 907 and the support cylinder 902;

through the handle 907 inwards squeezing the two sides, the clamping block 906 upwards rotates to be separated from the table-shaped groove 904, then the movable rod 903 is vertically adjusted, the height of the upper fan body 7 and the height of the lower fan body 8 are vertically adjusted, the handle 907 is loosened after adjustment, the clamping block 906 is abutted to the table-shaped groove 904 in a clamping mode, and therefore the purpose of adjusting the height of the device is achieved.

The working principle is as follows: when the device is used, the handles 907 on the two sides are squeezed inwards according to the required blowing height, so that the fixture block 906 rotates upwards to be separated from the table-shaped groove 904, then the movable rod 903 is adjusted up and down, the height of the upper fan body 7 and the height of the lower fan body 8 are adjusted up and down, and after the adjustment, the handles 907 are loosened, so that the fixture block 906 is clamped and supported with the table-shaped groove 904, and the purpose of adjusting the height of the device is achieved; after the height of the device is adjusted, the blowing angles of the upper fan body 7 and the lower fan body 8 are required to be adjusted, the mounting base 3 can rotate around the rotating shaft 2 by adjusting the fastening knob 4, so that the blowing angle of the device is adjusted, and in addition, the angles of the upper fan body 7 and the lower fan body 8 can also be adjusted under the action of the adjusting knob 24;

when the upper fan body 7 and the lower fan body 8 need to be disassembled and maintained, the pull ring 19 is pulled outwards to separate the positioning rod 18 from the positioning hole 22, and then the upper connecting frame 5 or the lower connecting frame 6 is pulled upwards to separate from the inserting groove 14, so that the upper fan body 7 and the lower fan body 8 are disassembled;

when last fan body 7 and lower fan body 8 need install, through pegging graft to inserting groove 14 with inserting piece 11 on last link 5 and the lower link 6 in, along with inserting of inserting piece 11, under the guide on V type inclined plane, make two inserting pieces 11 be close to gradually, then in cylinder 16 joint to arc wall 13, simultaneously, along with two inserting pieces 11 peg graft downwards, locating lever 18 extrudees to both sides under the effect of lower part V type structure, until locating hole 22 corresponds with locating lever 18, locating lever 18 is in second spring 21 effect down with locating hole 22 joint, thereby with last link 5 and lower link 6 and mount pad 3 joint, accomplish the installation of last fan body 7 and lower fan body 8.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a double-end height fan, includes support frame (1), its characterized in that: the middle part of the upper end of the support frame (1) is rotatably connected with a mounting seat (3) through a rotating shaft (2), one end of the mounting seat (3) is connected with a fastening knob (4), the upper end and the lower end of the mounting seat (3) are respectively and movably clamped with an upper connecting frame (5) and a lower connecting frame (6), the inner parts of the upper connecting frame (5) and the lower connecting frame (6) are rotatably connected with an upper fan body (7) and a lower fan body (8), and the lower end of the support frame (1) is connected with a lifting mechanism (9);

the middle parts of one ends of an upper connecting frame (5) and a lower connecting frame (6) are respectively connected with a connecting block (10), the two ends of the connecting block (10) are respectively rotatably connected with an inserting block (11), a first spring (12) is connected between the opposite sides of the two inserting blocks (11), an arc-shaped groove (13) is respectively arranged on the opposite sides of the two inserting blocks (11), inserting grooves (14) are respectively arranged on the upper end and the lower end of a mounting seat (3), a support plate (15) is connected in the inserting grooves (14), a cylinder (16) is connected at the upper end of the support plate (15), grooves (17) are respectively arranged on the two inner sides of the mounting seat (3), a positioning rod (18) is connected in the groove (17) in a penetrating manner, one end of the positioning rod (18) is connected with a pull ring (19), one side of the outer end of the positioning rod (18) is connected with a stop block (20), one side of the stop block (20) is connected with a second spring (21), and the second spring (21) is sleeved outside the positioning rod (18), two plug block (11) lower extreme all is the setting of V type structure, and inserting groove (14) and plug block (11) looks adaptation have been seted up locating hole (22) to plug block (11) side, and locating lever (18) correspond looks adaptation with locating hole (22).

2. The double-ended high-low fan as claimed in claim 1, wherein: elevating system (9) are including bottom plate (901), bottom plate (901) upper end is connected with a support section of thick bamboo (902), support section of thick bamboo (902) inside swing joint has movable rod (903), platform type groove (904) have evenly been seted up to movable rod (903) outside, opening (905) have all been seted up to a support section of thick bamboo (902) upper portion both sides, opening (905) inside rotation is connected with fixture block (906), fixture block (906) one end is connected with handle (907), handle (907) outer end is connected with casing (908), be connected with third spring (909) between handle (907) and a support section of thick bamboo (902).

3. The double-ended high-low fan as claimed in claim 1, wherein: the middle part of the upper end of the support frame (1) is provided with a notch, both sides of the inside of the notch are connected with fixing blocks (23), and the rotating shaft (2) is installed between the two fixing blocks (23).

4. The double-ended high-low fan as claimed in claim 1, wherein: the upper fan body (7) and the lower fan body (8) are movably connected with the upper connecting frame (5) and the lower connecting frame (6) through adjusting knobs (24).