Floor fan with height convenient to adjust

Abstract

The utility model relates to a floor fan convenient to adjust height, which is characterized in that firstly, a traditional locking structure of a threaded external sleeve piece or a bolt is abandoned, a guide sleeve is arranged, a locking piece, a driving piece and a limiting structure are arranged on the guide sleeve, and the locking piece extends into a locking hole of a movable vertical rod, so that relative fixation of a fixed vertical rod and the movable vertical rod is realized; during adjusting operation, the driving piece is separated from the limiting structure at first, then the locking piece is driven to move, so that the locking piece is separated from the locking hole, at the moment, the movable vertical rod can be adjusted relative to the fixed vertical rod, the adjusting operation is simple, convenient and rapid, the trouble of screwing a threaded piece is avoided, labor is saved, and use is convenient. In addition, through the arrangement of the limiting structure, the situation that a user touches the driving piece by mistake and unlocking is carried out by mistake can be avoided, and the stability after the movable vertical rod and the fixed vertical rod are locked is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fans, in particular to a floor fan which is convenient for adjusting the height. Background Art

[0002] Existing floor fans have some support columns that are height-adjustable. The column section includes an outer column and an inner column. The inner column is movably inserted into the outer column, and the two are fixed together by a threaded outer sleeve, which is screwed or fixed by a single-point compression bolt. When adjusting, the outer column and the inner column are moved relative to each other by loosening the threaded outer sleeve or the bolt. After the adjustment is completed, the outer column and the inner column are fixed relative to each other by tightening the threaded outer sleeve or the bolt to achieve the height adjustment. With this adjustment structure, the threaded outer sleeve or the bolt must be loosened before adjusting the height, and then tightened again after adjustment. This operation is cumbersome and laborious, making it inconvenient for users to adjust the height of the floor fan. Utility Model Content

[0003] The present invention aims to solve one of the problems existing in the existing related technologies to at least a certain extent. To this end, the present invention provides a floor fan that is easy to adjust in height.

[0004] To achieve the above objectives, the present invention provides the following technical solutions:

[0005] A floor fan that is easy to adjust in height comprises a base, an adjustable support rod, a switch control box body and a fan head arranged in sequence from bottom to top, the adjustable support rod comprises a fixed vertical rod, a movable vertical rod movably inserted into the upper end of the fixed vertical rod and a locking assembly for locking the movable vertical rod relative to the fixed vertical rod, the locking assembly comprises a guide sleeve mounted on the upper end of the fixed vertical rod, a plurality of locking holes are evenly spaced along the axial direction on one side of the movable vertical rod, a locking member, a driving member and a limiting structure are provided on the guide sleeve, the driving member is used to drive the locking member to slide, so that one end of the locking member can slide into or out of the locking hole, and the limiting structure can restrict the driving member from being stationary, or unlock the driving member to enable movement.

[0006] In some embodiments, a vertical guide groove recessed inward is provided on one side of the movable vertical pole, and the guide sleeve includes a cylindrical sleeve and an extension seat provided on one side of the cylindrical sleeve. The cylindrical sleeve is sleeved on the upper end of the fixed vertical pole, and a guide flange is provided on the inner side of the cylindrical sleeve, and the guide flange is provided in the vertical guide groove.

[0007] In some embodiments, a transverse slide groove is provided on the lower side of the inner part of the extension seat, and the locking member includes a transverse slider sliding in the transverse slide groove and a locking rod provided at the inner end of the transverse slider, one end of the locking rod can pass through the cylindrical sleeve and the fixed vertical rod and then extend into the locking hole, and a first spring that can keep the locking rod extended into the locking hole is provided between the transverse slider and the transverse slide groove.

[0008] In some embodiments, the driving member includes a vertical slider, a driving block arranged at the lower end of the vertical slider and a driving button. A vertical slide groove is provided in the extension seat, and the vertical slider slides up and down in the vertical slide groove. A guide column is spaced apart on the outside of the vertical slider, and the driving button is guided forward and backward on the guide column. A second spring is provided between the driving button and the vertical slider, and the outer side of the driving button is movably extended out of the outside of the extension seat. A through groove passes through the horizontal slider up and down, and a guide slope is provided on one side wall of the through groove. When the driving block moves downward following the vertical slider, the lower end of the driving block pushes the guide slope, thereby causing the horizontal slider to slide so that the locking rod extends out of the locking hole.

[0009] In some embodiments, a first baffle is provided on one side of the vertical sliding block, a second baffle is provided in the vertical sliding groove and below the first baffle, and a third spring is provided between the first baffle and the second baffle.

[0010] In some embodiments, the limiting structure includes an inverted L-shaped block provided at the upper end of the driving button, a card plate is provided on the outer side of the upper end of the extension seat, and a through hole is provided on the card plate. The inverted L-shaped block can pass through the through hole upward and be clamped on the card plate.

[0011] In some embodiments, anti-slip grooves are provided on the outer side of the driving button.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] 1. First, the locking structure of the traditional threaded outer sleeve or bolt is abandoned. A guide sleeve is provided, and a locking member, a driving member and a limiting structure are provided on the guide sleeve. The locking member is inserted into the locking hole of the movable pole to achieve relative fixation of the fixed pole and the movable pole. During the adjustment operation, the driving member is first disengaged from the limiting structure, and then the locking member is driven to move so that the locking member is disengaged from the locking hole. At this time, the movable pole can be adjusted relative to the fixed pole. The adjustment operation is relatively simple and quick, avoiding the trouble of screwing the threaded member, and is relatively labor-saving and easy to use.

[0014] 2. In addition, the setting of the limiting structure can prevent users from accidentally touching the driving part and mislocking it, greatly improving the stability of the movable pole and the fixed pole after locking. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0016] Figure 2 This is a three-dimensional schematic diagram of the locking assembly of the utility model after locking the movable pole and the fixed pole;

[0017] Figure 3 This is a partial cross-sectional structural diagram of the locking assembly of the present invention;

[0018] Figure 4 This is a cross-sectional view of the utility model when the locking rod is inserted into the locking hole;

[0019] Figure 5 This is a cross-sectional view of the utility model when the locking rod extends out of the locking hole. DETAILED DESCRIPTION

[0020] The following detailed description provides various embodiments or examples for implementing the present invention. These are, of course, merely examples and are not intended to be limiting. Furthermore, repeated reference numerals, such as repeated numbers and / or letters, may be used in different embodiments. This repetition is for simplicity and clarity in describing the present invention and does not imply a specific relationship between the various embodiments and / or configurations discussed.

[0021] like Figure 1-Figure 5 The floor fan shown is easy to adjust the height and includes a base 1, an adjustable support rod 2, a switch control box body 3 and a fan head 4 arranged in sequence from bottom to top, the adjustable support rod 2 includes a fixed vertical rod 5, a movable vertical rod 6 movably inserted into the upper end of the fixed vertical rod 5, and a locking assembly for locking the movable vertical rod 6 relative to the fixed vertical rod 5, the locking assembly includes a guide sleeve 8 sleeved on the upper end of the fixed vertical rod 5, a plurality of locking holes 9 are evenly spaced along the axial direction on one side of the movable vertical rod 6, a locking member 10, a driving member 11 and a limiting structure are provided on the guide sleeve 8, the driving member 11 is used to drive the locking member 10 to slide, so that one end of the locking member 10 can slide into the locking hole 9 or extend out of the locking hole 9, and the limiting structure can restrict the driving member 11 to be stationary, or unlock the driving member 11 to enable it to move.

[0022] According to the above structure, first of all, the locking structure of the traditional threaded outer sleeve or bolt is abandoned. A locking assembly is provided, which includes a guide sleeve 8. A locking member 10, a driving member 11 and a limiting structure are provided on the guide sleeve 8. The locking member 10 is extended into the locking hole 9 of the movable vertical rod 6 to achieve relative fixation of the fixed vertical rod 5 and the movable vertical rod 6. During the adjustment operation, the driving member 11 is first disengaged from the limiting structure, and then the locking member 11 is driven to move so that the locking member 10 is disengaged from the locking hole 9. At this time, the movable vertical rod 6 can be adjusted relative to the fixed vertical rod 5. The adjustment operation is relatively simple and quick, avoiding the trouble of screwing the threaded member, and is relatively labor-saving and easy to use.

[0023] It is worth mentioning that the setting of the limiting structure can prevent users from accidentally touching the driving member and mislocking, greatly improving the stability of the movable pole 6 and the fixed pole 5 after locking.

[0024] See also Figure 2 As shown, a vertical guide groove 21 recessed inward is provided on one side of the movable vertical rod 6, and the guide sleeve 8 includes a cylindrical sleeve 22 and an extension seat 23 provided on one side of the cylindrical sleeve 22. The cylindrical sleeve 22 is sleeved on the upper end of the fixed vertical rod 5, and a guide flange 24 is provided on the inner side of the cylindrical sleeve 22. The guide flange 24 is provided in the vertical guide groove 21; the cylindrical sleeve 22 is fixed to the upper end of the fixed vertical rod 5 by rivets, and then the movable vertical rod 6 is guided to move up and down by the action of the guide flange 24.

[0025] See also Figure 3-Figure 5 As shown, a transverse groove 31 is provided on the lower side of the extension seat 23, and the locking member 10 includes a transverse slider 32 sliding in the transverse groove 31 and a locking rod 33 provided at the inner end of the transverse slider 32. One end of the locking rod 33 can pass through the cylindrical sleeve 22 and the fixed vertical rod 5 and then extend into the locking hole 9. A first spring 34 that can keep the locking rod 33 extended into the locking hole 9 is provided between the transverse slider 32 and the transverse groove 31, thereby relatively fixing the fixed vertical rod 5 and the movable vertical rod 6.

[0026] Furthermore, the driving member 11 includes a vertical slider 41, a driving block 42 and a driving button 43 provided at the lower end of the vertical slider 41. A vertical slide groove 44 is provided in the extension seat 23. The vertical slider 41 slides up and down in the vertical slide groove 44. A guide column 45 is provided on the outer side of the vertical slider 41. The driving button 43 guides the guide column 45 front and back. A second spring 46 is provided between the driving button 43 and the vertical slider 41. The outer side of the driving button 43 is movable and extends out of the outer side of the extension seat 23. Of course, the front side of the extension seat 23 has an opening for the driving button 43 to move up and down. The horizontal slider 32 is penetrated by a through groove 47 up and down, and a side wall of the through groove 47 is provided with a guide inclined surface 48. When the driving block 42 follows the vertical slider 41 to move downward, the lower end of the driving block 42 pushes the guide inclined surface 48, thereby causing the horizontal slider 32 to slide so that the locking rod 33 extends out of the locking hole 9.

[0027] A first baffle 51 is provided on one side of the vertical sliding block 41 , a second baffle 52 is provided in the vertical sliding groove 44 and below the first baffle 51 , and a third spring 53 is provided between the first baffle 51 and the second baffle 52 .

[0028] The limiting structure includes an inverted L-shaped block 61 provided on the upper end of the driving button 43, a card plate 62 is provided on the outer side of the upper end of the extension seat 23, and a through hole 63 is provided on the card plate 62. The inverted L-shaped block 61 can pass through the through hole 63 upward and be clamped on the card plate 62.

[0029] Anti-slip grooves are provided on the outer side of the driving button 43 .

[0030] The specific working principle of the height adjustment of the movable pole 6 is as follows:

[0031] First, by pressing the driving button 43 inward, the inverted L-shaped block 61 is separated from the card plate 62 and is located in the through hole 63. Then the driving button 43 moves downward. At this time, the vertical slider 41 and the driving block 42 are driven downward by the action of the guide column 45. While the driving block 42 moves downward, it pushes on the guide slope 48, thereby sliding the horizontal slider 32 so that the locking rod 33 extends out of the locking hole 9 (as shown in FIG. Figure 5 As shown), at this time, the movable upright 6 can be adjusted up and down relative to the fixed upright 5; after the adjustment is completed, the driving button 43, the vertical slider 41 and the driving block 42 are reset upward, and the locking rod 33 is reinserted into the corresponding locking hole 9 under the action of the first spring 34 (as shown). Figure 4As shown), the movable upright 6 is locked. At the same time, the inverted L-shaped block 61 passes upward through the through hole 63 and, under the action of the second spring 46, the driving button 43 pops outward. At this time, the inverted L-shaped block 61 is stuck on the card plate 62, thereby limiting the driving button 43.

[0032] The basic principles and main features of the present invention and the advantages of the present invention are shown and described above in conjunction with the accompanying drawings. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A floor fan that is easy to adjust in height, comprising a base (1), an adjustable support rod (2), a switch control box (3) and a fan head (4) arranged in order from bottom to top, wherein the adjustable support rod (2) comprises a fixed vertical rod (5), a movable vertical rod (6) inserted into the upper end of the fixed vertical rod (5) and a locking assembly for locking the movable vertical rod (6) relative to the fixed vertical rod (5), characterized in that: The locking assembly includes a guide sleeve (8) sleeved on the upper end of the fixed vertical rod (5), a plurality of locking holes (9) uniformly spaced along the axial direction on one side of the movable vertical rod (6), a locking member (10), a driving member (11) and a limiting structure are provided on the guide sleeve (8), the driving member (11) is used to drive the locking member (10) to slide, so that one end of the locking member (10) can slide into the locking hole (9) or extend out of the locking hole (9), and the limiting structure can restrict the driving member (11) to be immobile, or unlock the driving member (11) to enable it to move.

2. The height-adjustable floor fan according to claim 1, characterized in that: A vertical guide groove (21) recessed inward is provided on one side of the movable vertical rod (6); the guide sleeve (8) comprises a cylindrical sleeve (22) and an extension seat (23) provided on one side of the cylindrical sleeve (22); the cylindrical sleeve (22) is sleeved on the upper end of the fixed vertical rod (5), and a guide flange (24) is provided on the inner side of the cylindrical sleeve (22); the guide flange (24) is provided in the vertical guide groove (21).

3. The height-adjustable floor fan according to claim 2, characterized in that: A transverse sliding groove (31) is provided on the lower side of the inner portion of the extension seat (23); the locking member (10) comprises a transverse slider (32) sliding in the transverse sliding groove (31) and a locking rod (33) provided at the inner end of the transverse slider (32); one end of the locking rod (33) can pass through the cylindrical sleeve (22) and the fixed vertical rod (5) and then extend into the locking hole (9); a first spring (34) is provided between the transverse slider (32) and the transverse sliding groove (31) to allow the locking rod (33) to remain extended into the locking hole (9).

4. The height-adjustable floor fan according to claim 3, characterized in that: The driving member (11) includes a vertical slider (41), a driving block (42) provided at the lower end of the vertical slider (41), and a driving button (43). A vertical slide groove (44) is provided in the extension seat (23). The vertical slider (41) slides up and down in the vertical slide groove (44). A guide column (45) is provided at the outer side of the vertical slider (41). The driving button (43) is guided forward and backward on the guide column (45). Between the driving button (43) and the vertical slider (41), a vertical slide groove (44) is provided. A second spring (46) is provided, the outer side of the driving button (43) is movably extended outward from the outer side of the extension seat (23), the horizontal slider (32) is penetrated by a through slot (47) up and down, and a side wall of the through slot (47) is provided with a guide inclined surface (48), when the driving block (42) moves downward following the vertical slider (41), the lower end of the driving block (42) pushes the guide inclined surface (48), thereby causing the horizontal slider (32) to slide so that the locking rod (33) extends out of the locking hole (9).

5. The height-adjustable floor fan according to claim 4, characterized in that: A first baffle (51) is provided on one side of the vertical sliding block (41), a second baffle (52) is provided in the vertical sliding groove (44) and below the first baffle (51), and a third spring (53) is provided between the first baffle (51) and the second baffle (52).

6. The height-adjustable floor fan according to claim 5, characterized in that: The limiting structure comprises an inverted L-shaped clamping block (61) provided at the upper end of the driving button (43); a clamping plate (62) is provided on the outer side of the upper end of the extension seat (23); a through hole (63) is provided on the clamping plate (62); and the inverted L-shaped clamping block (61) can pass through the through hole (63) upwards and be clamped on the clamping plate (62).

7. The height-adjustable floor fan according to claim 4, characterized in that: Anti-slip grooves are provided on the outer side of the driving button (43).

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