阅读说明：本技术 电风扇 (Electric fan ) 是由 李亮 宋万坤 王勇 黄少杰 陈宇强 于 2021-11-12 设计创作，主要内容包括：本发明提供一种电风扇,包括：支撑柱；升降结构,所述升降结构可移动地设置于所述支撑柱上；卡接结构,所述卡接结构设置于所述升降结构上,且所述卡接结构能够与所述支撑柱卡接配合；机头,所述机头设置于所述升降结构上。本发明提供的电风扇,设置卡接结构与支撑柱进行卡接,在机头的高度调节完成后,通过卡接结构与支撑柱的卡接来避免电机持续工作,从而避免电机的损坏,保证机头的高度调节精度及调节的可靠性,同时通过机头固定架的转动及复位机构能够使卡槽固定板根据需要对支撑柱进行卡接,从而保证对机头的高度调节的可靠性。(The present invention provides an electric fan, comprising: a support pillar; the lifting structure is movably arranged on the supporting column; the clamping structure is arranged on the lifting structure and can be matched with the supporting column in a clamping manner; the aircraft nose, the aircraft nose set up in on the elevation structure. According to the electric fan provided by the invention, the clamping structure is arranged to be clamped with the support column, after the height of the machine head is adjusted, the clamping structure is clamped with the support column to prevent the motor from continuously working, so that the damage of the motor is avoided, the height adjusting precision and the adjusting reliability of the machine head are ensured, and meanwhile, the clamping groove fixing plate can be clamped with the support column as required through the rotation of the machine head fixing frame and the reset mechanism, so that the reliability of the height adjustment of the machine head is ensured.)

1. An electric fan, its characterized in that: the method comprises the following steps:

a support column (1);

the lifting structure is movably arranged on the supporting column (1);

the clamping structure is arranged on the lifting structure and can be matched with the supporting column (1) in a clamping manner;

the machine head (2), the machine head (2) is arranged on the lifting structure.

2. The electric fan according to claim 1, wherein: the lifting structure comprises a track fixing frame (31) and a machine head fixing frame (32), wherein the track fixing frame (31) is movably arranged on the supporting column (1), the machine head fixing frame (32) is rotatably arranged on the track fixing frame (31), the machine head (2) is arranged on the machine head fixing frame (32), and the machine head fixing frame (32) is provided with a clamping structure, and the clamping structure is in a first state clamped with the supporting column (1) and is separated from a second state of the supporting column (1).

3. The electric fan according to claim 2, wherein: the rail fixing frame (31) is provided with a fixing column (33), the machine head fixing frame (32) is provided with a mounting hole (34), and the fixing column (33) is arranged in the mounting hole (34).

4. The electric fan according to claim 2, wherein: the rail fixing frame (31) is provided with a limiting rib (35), the machine head fixing frame (32) is provided with a limiting hole (36), and the limiting rib (35) is slidably arranged in the limiting hole (36).

5. The electric fan according to claim 2, wherein: the lifting structure further comprises a driving mechanism (37), the driving mechanism (37) is arranged on the machine head fixing frame (32), a rack (11) is arranged on the supporting column (1), the driving mechanism (37) is meshed with the rack (11), and the driving mechanism (37) can drive the machine head fixing frame (32) to be switched to the second state from the first state.

6. The electric fan according to claim 2, wherein: the rail fixing frame (31) is sleeved on the supporting column (1), and the machine head fixing frame (32) is sleeved on the rail fixing frame (31).

7. The electric fan according to claim 1, wherein: the support column (1) is provided with a plurality of clamping grooves (12), and the clamping structure can be matched with any one of the clamping grooves (12) in a clamping mode.

8. The electric fan according to claim 7, wherein: the clamping structure further comprises a clamping groove fixing plate (41) and a reset mechanism (42), the clamping groove fixing plate (41) is hinged to the lifting structure, the clamping groove fixing plate (41) can be matched with any clamping groove (12) in a clamping mode, the reset mechanism (42) is arranged on the lifting structure, and the reset mechanism (42) can drive the clamping groove fixing plate (41) to rotate.

9. The electric fan according to claim 7, wherein: the supporting column (1) is provided with a rack (11), a tooth groove is formed in the rack (11), and the tooth groove forms the clamping groove (12).

10. The electric fan according to claim 1, wherein: the electric fan further comprises a base, the supporting column (1) is arranged on the base, and the lifting structure can drive the machine head (2) to be far away from or close to the base.

Technical Field

The invention relates to the technical field of articles for daily use, in particular to an electric fan.

Background

The fan on the existing market is the manual altitude mixture control that carries out the aircraft nose mostly, and it is many to carry out the form of fixed height-adjusting with manual lift fixation nut lock bracing piece of screwing, in order to realize the automatically regulated of aircraft nose height, there is the electric fan to adopt the mode of motor drive gear to drive among the prior art, the rotation through the gear drives the aircraft nose and removes, but when the aircraft nose reachs the settlement position, its moment of torsion that utilizes the motor restricts the gear thereby guarantee that the aircraft nose can not produce relative motion, because the aircraft nose has certain quality, it produces the moment of torsion and just can keep the gear not rotating to need the work that the motor lasts in this kind of scheme, and the operation that lasts can cause the damage of motor, make the aircraft nose can't adjust or adjust the problem that the precision worsens, finally cause user's use experience to be poor.

Disclosure of Invention

The invention provides an electric fan, which aims to solve the problem that in the prior art, a machine head is limited only by the torque of a motor, so that the motor is damaged or the adjustment precision is poor.

An electric fan, comprising:

a support pillar;

the lifting structure is movably arranged on the supporting column;

the clamping structure is arranged on the lifting structure and can be matched with the supporting column in a clamping manner;

the aircraft nose, the aircraft nose set up in on the elevation structure.

The lifting structure comprises a track fixing frame and a machine head fixing frame, wherein the track fixing frame is movably arranged on the supporting column, the machine head fixing frame is rotatably arranged on the track fixing frame, the machine head is arranged on the machine head fixing frame, and the machine head fixing frame is provided with a clamping structure, the clamping structure is connected with the first state of the supporting column in a clamping mode and enables the clamping structure to be separated from the second state of the supporting column.

The rail fixing frame is provided with a fixing column, the machine head fixing frame is provided with a mounting hole, and the fixing column is arranged in the mounting hole.

The rail fixing frame is provided with limiting ribs, the machine head fixing frame is provided with limiting holes, and the limiting ribs can be arranged in the limiting holes in a sliding mode.

The lifting structure further comprises a driving mechanism, the driving mechanism is arranged on the machine head fixing frame, a rack is arranged on the supporting column, the driving mechanism is meshed with the rack, and the driving mechanism can drive the machine head fixing frame to be switched to the second state from the first state.

The rail fixing frame is sleeved on the supporting column, and the machine head fixing frame is sleeved on the rail fixing frame.

The support column is provided with a plurality of clamping grooves, and the clamping structure can be matched with any one of the clamping grooves in a clamping mode.

The clamping structure further comprises a clamping groove fixing plate and a resetting mechanism, the clamping groove fixing plate is hinged to the lifting structure, the clamping groove fixing plate can be matched with any one of the clamping grooves in a clamped mode, the resetting mechanism is arranged on the lifting structure, and the resetting mechanism can drive the clamping groove fixing plate to rotate.

The supporting column is provided with a rack, a tooth groove is formed in the rack, and the tooth groove forms the clamping groove.

The electric fan further comprises a base, the supporting column is arranged on the base, and the lifting structure can drive the machine head to be far away from or close to the base.

According to the electric fan provided by the invention, the clamping structure is arranged to be clamped with the support column, after the height of the machine head is adjusted, the clamping structure is clamped with the support column to prevent the motor from continuously working, so that the damage of the motor is avoided, the height adjusting precision and the adjusting reliability of the machine head are ensured, and meanwhile, the clamping groove fixing plate can be clamped with the support column as required through the rotation of the machine head fixing frame and the reset mechanism, so that the reliability of the height adjustment of the machine head is ensured.

Drawings

Fig. 1 is a schematic structural diagram of an electric fan according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a lifting structure and a clamping structure according to an embodiment of the present invention;

FIG. 3 is a cross-sectional view of FIG. 2;

FIG. 4 is a schematic structural diagram of a rail fixing frame according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a handpiece holder according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a card slot fixing plate according to an embodiment of the present invention;

FIG. 7 is a cross-sectional view of an electric fan provided in accordance with an embodiment of the present invention during descent;

in the figure:

1. a support pillar; 2. a machine head; 31. a rail mount; 32. a handpiece fixing frame; 33. fixing a column; 34. mounting holes; 35. limiting ribs; 36. a limiting hole; 37. a drive mechanism; 11. a rack; 41. a clamping groove fixing plate; 42. a reset mechanism; 12. a clamping groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The electric fan as shown in fig. 1 to 7 includes: a support column 1; the lifting structure is movably arranged on the supporting column 1; the clamping structure is arranged on the lifting structure and can be matched with the supporting column 1 in a clamping manner; the machine head 2 is arranged on the lifting structure. When aircraft nose 2 highly need not adjust, thereby the joint structure guarantees the reliability of aircraft nose 2 height with support column 1 joint, and when aircraft nose 2 highly needs to adjust, the joint structure can break away from with support column 1, then elevation structure drives aircraft nose 2 and removes as required direction, when aircraft nose 2 adjusts the height that needs, the joint structure carries out the joint with support column 1 once more, after the joint structure accomplishes the joint with support column 1, elevation structure can stop providing the holding power to aircraft nose 2, thereby overcome among the prior art that elevation structure need last provide the holding power to aircraft nose 2 and guarantee the unchangeable problem of aircraft nose 2 height, avoid elevation structure's damage.

The lifting structure comprises a track fixing frame 31 and a machine head fixing frame 32, wherein the track fixing frame 31 is movably arranged on the supporting column 1, the machine head fixing frame 32 is rotatably arranged on the track fixing frame 31, a machine head 2 is arranged on the machine head fixing frame 32, and the machine head fixing frame 32 is provided with a clamping structure, and the clamping structure is separated from a first state of clamping of the supporting column 1 and a second state of the supporting column 1. Rotation through aircraft nose mount 32 makes aircraft nose mount 32 switch between first state and second state, highly adjusting the in-process to aircraft nose 2, and aircraft nose mount 32 switches to the second state, and the joint structure breaks away from with support column 1, and elevation structure can drive aircraft nose 2 as required and remove.

When the fan blade is in the first state, the rotating shaft of the fan blade in the machine head 2 is parallel to the horizontal direction, and when the fan blade is in the second state, the rotating shaft of the fan blade inclines upwards or downwards relative to the horizontal direction.

The rail fixing frame 31 is provided with a fixing column 33, the machine head fixing frame 32 is provided with a mounting hole 34, and the fixing column 33 is arranged in the mounting hole 34. When the handpiece holder 32 rotates, the fixing post 33 rotates in the mounting hole 34.

The rail fixing frame 31 is provided with a limiting rib 35, the handpiece fixing frame 32 is provided with a limiting hole 36, and the limiting rib 35 is slidably arranged in the limiting hole 36. The movement of the limiting rib 35 is limited through the limiting hole 36 to limit the rotating range of the machine head fixing frame 32, and the interference between the machine head fixing frame 32 and the supporting column 1 due to the overlarge rotating angle is avoided.

The lifting structure further comprises a driving mechanism 37, the driving mechanism 37 is arranged on the machine head fixing frame 32, a rack 11 is arranged on the supporting column 1, the driving mechanism 37 is meshed with the rack 11, and the driving mechanism 37 can drive the machine head fixing frame 32 to be switched to the second state from the first state. When aircraft nose 2 need go up and down, actuating mechanism 37 begins to work, but because the joint structure still is in the state with fixed column 33 joint, aircraft nose 2 can't directly go up and down, actuating mechanism 37's drive power drives aircraft nose mount 32 earlier and rotates and switches to the second state, make the joint structure gradually break away from by fixed column 33, aircraft nose 2 rotates along with aircraft nose mount 32 is common this moment, after the joint structure breaks away from completely, aircraft nose 2 and mechanism mount, track mount 31 can move on fixed column 33 this moment, realize aircraft nose 2 altitude mixture control. Wherein, in the moving process, the handpiece fixing frame 32 is always in the second state. When the head 2 is adjusted to the set height, the driving mechanism 37 stops rotating (the driving mechanism 37 can be powered off at this moment, and does not need to continuously provide supporting force), under the influence of gravity of the head 2, the head 2 and the head fixing frame 32 start to rotate reversely, so that the head fixing frame 32 is switched to the first state from the second state, the clamping structure and the fixing column 33 complete clamping matching, and the head 2 is fixed.

Wherein, actuating mechanism 37 includes the motor and sets up the gear on the output shaft of motor, and the gear and the meshing of rack 11 realize the removal of elevation structure on support column 1, drive aircraft nose 2 through the epaxial moment of torsion of output and go up and down and the state switching of aircraft nose mount 32.

The drive mechanism 37 further comprises a gear wheel, which is engaged with the rack 11 via the gear wheel, and the torque of the motor is increased by means of the gear wheel.

The track fixing frame 31 is sleeved on the supporting column 1, and the machine head fixing frame 32 is sleeved on the track fixing frame 31. That is, the middle part of the rail fixing frame 31 is provided with a through hole, the supporting column 1 extends into the through hole, the middle part of the machine head fixing frame 32 is provided with a matching hole, the rail fixing frame 31 is arranged in the matching hole, the reliable movement of the rail fixing frame 31 on the supporting column 1 is ensured, and the reliable matching between the machine head fixing frame 32 and the rail fixing frame 31 is ensured.

The support column 1 is provided with a plurality of clamping grooves 12, and the clamping structure can be matched with any one of the clamping grooves 12 in a clamping mode. Wherein all draw-in grooves 12 all set up along the direction of height, and according to the required height of aircraft nose 2, the joint structure can carry out the joint cooperation with the draw-in groove 12 that corresponds, realizes that aircraft nose 2 can reliably be fixed at arbitrary high homoenergetic.

The clamping structure still includes draw-in groove fixed plate 41 and canceling release mechanical system 42, draw-in groove fixed plate 41 articulate in on the elevation structure, just draw-in groove fixed plate 41 can with arbitrary one 12 joint cooperations of draw-in groove, canceling release mechanical system 42 set up in elevation structure is last, just canceling release mechanical system 42 can drive draw-in groove fixed plate 41 rotates. The reset mechanism 42 can still keep the card slot fixing plate 41 extending into the corresponding card slot 12 for clamping after the position of the card slot fixing plate 41 is changed.

In this embodiment, slot fixing plate 41 abuts against the lower side surface of slot 12 to provide an upward supporting force for head 2 and head 2 fixing plate, so that head 2 and head 2 fixing plate cannot move downward under the action of gravity. When the machine head 2 needs to move upwards, the driving mechanism 37 directly drives the machine head 2 to start to move upwards, in the process, the clamping groove fixing plate 41 is separated from the clamping groove 12 under the extrusion action of the supporting column 1 and slides on the surface of the supporting column 1, and when the machine head 2 moves to a set position, the clamping groove fixing plate 41 enters the corresponding clamping groove 12 under the action of the resetting mechanism 42 and is abutted against the lower side surface of the clamping groove 12 to complete the support of the machine head 2; when the head 2 needs to move downward, the driving mechanism 37 starts to operate, and due to the abutment between the slot fixing plate 41 and the slot 12, so that the machine head 2 cannot move downwards, at this time, the driving force of the driving mechanism 37 starts to force the machine head fixing frame 32 and the rail fixing frame 31 to rotate relatively, so that the card slot fixing plates 41 are disengaged from the corresponding card slots 12, without the supporting force of the slot fixing plate 41, the driving mechanism 37 can drive the machine head 2 to move downwards, when the machine head 2 reaches a set position, the driving mechanism 37 stops working, under the effect of the gravity of the machine head 2, the machine head 2 and the machine head fixing frame 32 rotate downwards to drive the machine head fixing frame 32 to be switched to the first state, at the moment, the clamping groove fixing plate 41 enters the corresponding clamping groove 12 to complete the fixation of the machine head 2, and the driving mechanism 37 does not need to provide supporting force continuously for the height stability of the machine head 2.

The supporting column 1 is provided with a rack 11, a tooth groove is formed in the rack 11, and the tooth groove forms the clamping groove 12. The teeth of the rack 11 are arranged in the height direction.

The electric fan further comprises a base, the supporting column 1 is arranged on the base, and the lifting structure can drive the machine head 2 to be far away from or close to the base.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.