Lifting fan

Abstract

The utility model provides a liftable fan, and belongs to the technical field of fans. The liftable fan comprises a base, a lifting rod and a fan body which are sequentially arranged from bottom to top, and the lifting rod comprises an outer rod detachably arranged at the top end of the base; the telescopic rod is slidably arranged in the outer rod, the top end of the telescopic rod extends out of the outer rod and is detachably connected with the fan body, and the telescopic rod can longitudinally move in the outer rod; and the buckle assembly is configured to be used for limiting movement of the telescopic rod. The liftable fan is simple in structure, the telescopic rod is convenient to move, and the height of the fan can be freely adjusted.

Description

TECHNICAL FIELD

[0001] The present disclosure relates to the technical field of fans, in particular to a liftable fan. BACKGROUND

[0002] A fan is a household appliance that uses an electric motor to drive the rotation of the fan blades to accelerate the flow of air, mainly used for cooling and air circulation. It is widely used in homes, classrooms, offices, stores, hospitals and hotels.

[0003] At present, the height of the fan on the market is mostly fixed, and the height of the fan cannot be adjusted when in use, which leads to inconvenient use and difficult carrying of the fan.

[0004] Therefore, a liftable fan is provided. CONTENT OF THE INVENTION

[0005] The purpose of the present disclosure is to overcome the shortcomings of the prior art, provide a liftable fan, and realize free adjustment of the height of the fan, convenient use and carrying of the fan.

[0006] To achieve the above-mentioned purpose of the utility model, the present disclosure adopts the following technical solutions:

[0007] A liftable fan comprises a base, a lifting rod and a fan body arranged in sequence from bottom to top, wherein the lifting rod comprises:

[0008] An outer rod is detachably arranged at the top end of the base;

[0009] A telescopic rod is slidably arranged in the outer rod, the top end of the telescopic rod extends out of the outer rod and is detachably connected with the fan body, and the telescopic rod can move longitudinally in the outer rod;

[0010] A buckle assembly is configured to limit the movement of the telescopic rod.

[0011] In an exemplary embodiment of the present disclosure, a gland is detachably mounted at the top end of the outer rod, the bottom end of the gland extends into the outer rod, and the telescopic rod passes through the gland;

[0012] A first through hole extending in the axial direction is formed in the circumferential side wall of the gland, a plurality of clamping grooves are arranged in the axial direction on the outer wall of the telescopic rod, the buckle assembly is rotatably installed in the first through hole and cooperates with the clamping grooves to limit the movement of the telescopic rod.

[0013] In an exemplary embodiment of the present disclosure, the buckle assembly comprises:

[0014] A buckle is provided with a rotating shaft, and the buckle is rotatably installed in the first through hole through the rotating shaft;

[0015] A clamping block is arranged at one end of the clamping buckle, and the clamping buckle is matched with the clamping groove through the clamping block;

[0016] A first spring is arranged between the outer rod and the gland, one end of the first spring is connected with the side wall of the clamping buckle away from the clamping block, and the other end of the first spring is in abutment with the inner wall of the outer rod;

[0017] Wherein, the other end of the clamping buckle is in abutment with the key, and the key is movably installed on the side wall of the outer rod.

[0018] In an exemplary embodiment of the present disclosure, a second through opening is formed in the side wall of the outer rod, one end of the key extends out of the outer rod through the second through opening, and the other end of the key is provided with a limiting plate, and the other end of the clamping buckle is in abutment with the limiting plate;

[0019] The key can reciprocate in the second through opening.

[0020] In an exemplary embodiment of the present disclosure, a second spring is arranged in the outer rod, and the second spring is used to provide elastic force for the movement of the telescopic rod.

[0021] In an exemplary embodiment of the present disclosure, the second spring is a clock spring;

[0022] One end of the second spring is connected with the inner wall of the outer rod, and the other end of the second spring is in abutment with the outer wall of the telescopic rod after being coiled.

[0023] In an exemplary embodiment of the present disclosure, a first through groove extending in the axial direction is formed in the circumferential side wall of the gland, a second through groove extending in the axial direction is formed in the bottom end side wall of the telescopic rod, a connecting block extending into the first through groove is arranged on the inner wall of the outer rod, one end of the second spring is connected with the connecting block by extending into the first through groove, and the other end of the second spring is placed in the second through groove after being coiled.

[0024] In an exemplary embodiment of the present disclosure, the second spring is a spiral spring;

[0025] One end of the second spring is connected with the inner wall of the outer rod, and the other end of the second spring is connected with the bottom end of the telescopic rod.

[0026] In an exemplary embodiment of the present disclosure, a guide groove extending in the axial direction is arranged on the outer wall of the telescopic rod, and a plurality of clamping grooves are uniformly arranged in the guide groove;

[0027] The first guide block and the second guide block are respectively extended into the guide groove, and the first guide block and the second guide block can reciprocate in the guide groove.

[0028] In an exemplary embodiment of the present disclosure, a limiting ring is arranged on the outer rod circumferential inner wall, a plurality of clamping claws are arranged on the grommet bottom end in a spaced manner and clamped with the limiting ring, and at least one stop block matched with the limiting ring is arranged on the telescopic rod bottom end outer wall.

[0029] Advantages of the present disclosure:

[0030] The present disclosure provides a liftable fan. By pressing the buckle assembly, the buckle assembly is loosened from the telescopic rod. With the assistance of the second spring, the position of the telescopic rod in the outer rod is adjusted, so that the height of the lifting rod is adjusted. After the height is adjusted to a suitable position, the buckle assembly is loosened, the position of the telescopic rod is fixed again, and the height adjustment of the fan is completed. The structure is simple, the operation is convenient, the stability is high, the height of the fan is freely adjusted, and the use and carrying of the fan are facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0031] The drawings incorporated into the specification and constituting a part of the specification show embodiments consistent with the present disclosure and, together with the specification, serve to explain the principles of the present disclosure. Obviously, the drawings in the following description are only some embodiments of the present disclosure, and other drawings can be obtained from these drawings without creative labor for those skilled in the art.

[0032] Figure 1 For an embodiment of the present disclosure, the overall schematic diagram of the liftable fan;

[0033] Figure 2 For an embodiment of the present disclosure, the cross-sectional view of the liftable fan;

[0034] Figure 3 For an embodiment of the present disclosure, Figure 2 Enlarged view of A in the middle;

[0035] Figure 4 For an embodiment of the present disclosure, the cross-sectional view of the liftable fan;

[0036] Figure 5 For an embodiment of the present disclosure, Figure 4 Enlarged view of B in the middle;

[0037] Figure 6 For an embodiment of the present disclosure, the structural schematic diagram of the telescopic rod;

[0038] Figure 7 FIG. 6 is a side view of the telescopic rod according to an embodiment of the present disclosure;

[0039] Figure 8 FIG. 7 is a structural schematic view of the pressure cover according to an embodiment of the present disclosure;

[0040] Figure 9 FIG. 8 is a side view of the pressure cover according to an embodiment of the present disclosure;

[0041] Figure 10 FIG. 9 is a structural schematic view of the buckle according to an embodiment of the present disclosure.

[0042] BRIEF DESCRIPTION OF DRAWINGS

[0043] 1, base; 2, lifting rod; 3, fan body; 4, outer rod; 5, telescopic rod; 6, pressure cover; 7, first through hole; 8, clamping groove; 9, buckle; 10, rotating shaft; 11, clamping block; 12, first spring; 13, button; 14, second through hole; 15, limiting plate; 16, second spring; 17, first through slot; 18, second through slot; 19, connecting block; 20, guide slot; 21, first guide block; 22, second guide block; 23, limiting ring; 24, clamping jaw; 25, stop block. DETAILED DESCRIPTION

[0044] Example embodiments now will be described more fully hereinafter with reference to the accompanying drawings. Example embodiments, may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the example embodiments to those skilled in the art. Like reference numerals refer to like elements throughout the figures, and descriptions of the same or similar elements can be not be repeated. In addition, the drawings are only schematic and are non-limiting.

[0045] Although relative terms such as "upper", "lower", etc. are used herein to describe one component's relationship to another component as the figure is oriented, such terminology is used for convenience only and is not limiting. It is to be understood that, in other embodiments, the figure can be turned over so that the same component is described as being "lower" rather than "upper". As such, a component described as "on" another component can be directly on the other component or can be indirectly on the other component via an intervening component. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0046] The terms "one", "a", "an", "the", and "said" are used to indicate the presence of one or more elements / supplements / etc.; the terms "include" and "have" are used to indicate an open-ended inclusion and refer to the presence of additional elements / supplements / etc. in addition to the listed elements / supplements / etc.; the terms "first", "second", and "third" are used only as markers, not as a limitation on the number of their objects.

[0047] The present disclosure provides a liftable fan, as shown in Figure 1 and Figure 2 , comprising a base 1, a lifting rod 2 and a fan body 3 arranged in turn from bottom to top, the lifting rod 2 comprising: an outer rod 4, which is detachably arranged at the top end of the base 1; a telescopic rod 5, which is slidingly arranged in the outer rod 4, the top end of the telescopic rod 5 extending out of the outer rod 4 and being detachably connected with the fan body 3, the telescopic rod 5 being capable of moving longitudinally in the outer rod 4; a buckle assembly configured to limit the movement of the telescopic rod 5.

[0048] In the embodiment of the present disclosure, the liftable fan is composed of a base 1, a lifting rod 2, a fan body 3 and a buckle assembly, the bottom end of the lifting rod 2 is detachably connected with the base 1, and the top end of the lifting rod 2 is detachably connected with the fan body 3; wherein the lifting rod 2 comprises an outer rod 4 and a telescopic rod 5, the telescopic rod 5 is slidingly installed in the outer rod 4, and the buckle assembly is installed between the outer rod 4 and the telescopic rod 5; when adjusting the position of the telescopic rod 5 in the outer rod 4, the telescopic rod 5 is loosened by pressing the buckle assembly, then the position of the telescopic rod 5 is adjusted, after the adjustment is completed, the buckle assembly is loosened, and the telescopic rod 5 is re-fixed, so as to limit the position of the telescopic rod 5 in the outer rod 4 by the buckle assembly.

[0049] Compared with the existing fixed-height fan, the liftable fan adjusts the height of the lifting rod by pressing the buckle assembly to loosen the telescopic rod, adjusting the position of the telescopic rod in the outer rod, and then adjusting the height of the lifting rod, and after the height is adjusted to the appropriate position, the buckle assembly is loosened to re-fix the position of the telescopic rod, and the height adjustment of the fan is completed; the structure is simple, the operation is convenient, the stability is high, the height of the fan is freely adjusted, and the use and carrying of the fan are convenient.

[0050] In one embodiment of the present disclosure, as shown in Figure 2 , the outer rod 4 is threadedly connected with the base 1, and the telescopic rod 5 is threadedly connected with the fan body 3.

[0051] In one embodiment of the present disclosure, as shown in Figure 3The outer rod 4 is detachably provided at the top end with a gland 6, the bottom end of the gland 6 extends into the outer rod 4, and the telescopic rod 5 passes through the gland 6; the circumferential sidewall of the gland 6 is provided with a first through hole 7 extending in the axial direction, a plurality of clamping grooves 8 are arranged on the outer wall of the telescopic rod 5 in the axial direction, and the buckle assembly is rotatably installed in the first through hole 7 and cooperates with the clamping grooves 8 to limit the movement of the telescopic rod 5. In this way, the outer rod 4 can be closed, the buckle assembly can be protected, and the buckle assembly can be prevented from being damaged; at the same time, the telescopic rod 5 can be locked through the cooperation of the buckle assembly and the clamping grooves 8.

[0052] In one embodiment of the present disclosure, referring to Figure 3 , Figure 8 and Figure 10 , the buckle assembly comprises: a buckle 9, the buckle 9 is provided with a rotating shaft 10, and the buckle 9 is rotatably installed in the first through hole 7 through the rotating shaft 10; a clamping block 11 provided at one end of the buckle 9, the buckle 9 cooperates with the clamping groove 8 through the clamping block 11; a first spring 12 provided between the outer rod 4 and the gland 6, one end of the first spring 12 is connected with the sidewall of the buckle 9 away from the clamping block 11, and the other end of the first spring 12 abuts against the inner wall of the outer rod 4; wherein the other end of the buckle 9 abuts against a button 13, and the button 13 is movably installed on the sidewall of the outer rod 4. In this way, the cooperation between the clamping block 11 and the clamping groove 8 can be controlled by pressing the button 13, and the up and down movement of the telescopic rod 5 can be limited.

[0053] Optionally, a guide groove is formed in the buckle 9, the first spring 12 is located in the guide groove, one end of the first spring 12 is connected with the inner wall of the guide groove, and the other end of the first spring 12 extends out of the guide groove and abuts against the inner wall of the outer rod 4.

[0054] It can be understood that when the button 13 is pressed, the buckle 9 rotates around the rotating shaft 10, the clamping block 11 is separated from the clamping groove 8, the first spring 12 is compressed, and then the telescopic rod 5 is moved, when the telescopic rod 5 moves to a suitable position, the button 13 is released, the first spring 12 recovers, the buckle 9 reversely rotates around the rotating shaft 10, the clamping block 11 resets and is clamped into the clamping groove 8, and the position of the telescopic rod 5 is fixed again.

[0055] In one embodiment of the present disclosure, referring to Figures 3 to 5 , the sidewall of the outer rod 4 is provided with a second through hole 14, one end of the button 13 extends out of the outer rod 4 through the second through hole 14, the other end of the button 13 is provided with a limiting plate 15, and the other end of the buckle 9 abuts against the limiting plate 15; the button 13 can reciprocate in the second through hole 14. In this way, the button 13 can be pressed conveniently, and the button 13 can be prevented from falling off the outer rod 4.

[0056] In one embodiment of the present disclosure, referring to Figure 2 and Figure 3The second spring 16 is arranged in the outer rod 4 and is used to provide elastic force for the movement of the telescopic rod 5. In this way, the telescopic rod 5 can be conveniently moved longitudinally in the outer rod 4, and the height of the fan can be conveniently adjusted.

[0057] In an embodiment of the present disclosure, referring to Figure 2 and Figure 3 , the second spring 16 is a clock spring; one end of the second spring 16 is connected with the inner wall of the outer rod 4, and the other end of the second spring 16 is abutted with the outer wall of the telescopic rod 5 after being wound. In this way, the second spring 16 can provide auxiliary elastic force for the movement of the telescopic rod 5, and the telescopic rod 5 can be conveniently moved longitudinally in the outer rod 4.

[0058] In an embodiment of the present disclosure, referring to Figure 3 , Figure 7 and Figure 9 , the second spring 16 is a clock spring, the circumferential side wall of the gland 6 is provided with a first through slot 17 extending in the axial direction, the bottom end side wall of the telescopic rod 5 is provided with a second through slot 18 extending in the axial direction, the inner wall of the outer rod 4 is provided with a connecting block 19 extending into the first through slot 17, one end of the second spring 16 extends into the first through slot 17 and is connected with the connecting block 19, and the other end of the second spring 16 is placed in the second through slot 18 after being wound. In this way, the second spring 16 can be conveniently stretched or retracted during the movement of the telescopic rod 5, the auxiliary elastic force can be provided for the movement of the telescopic rod 5, the abrasion during the stretching or retraction of the second spring 16 can be reduced, and the service life of the second spring 16 can be improved.

[0059] It can be understood that when the telescopic rod 5 is pulled out, the distance between the winding and the connecting block 19 gradually decreases, so that the second spring 16 is gradually wound; when the telescopic rod 5 is retracted, the distance between the winding and the connecting block 19 gradually increases, so that the second spring 16 is gradually stretched.

[0060] In another embodiment of the present disclosure, the second spring 16 is a spiral spring; one end of the second spring 16 is connected with the inner wall of the outer rod 4, and the other end of the second spring 16 is connected with the bottom end of the telescopic rod 5. In this way, the second spring 16 can be conveniently stretched or retracted by the movement of the telescopic rod 5, and the auxiliary elastic force can be provided for the movement of the telescopic rod 5.

[0061] In the above two embodiments, whether the second spring 16 is a clock spring or a spiral spring, the second spring 16 can provide auxiliary elastic force for the movement of the telescopic rod 5, and the second spring 16 can provide buffering for the telescopic rod 5, so that after the clamping block 11 is separated from the clamping groove 8, the telescopic rod 5 does not directly fall to the bottom end of the outer rod 4, and the position of the telescopic rod 5 can be conveniently adjusted.

[0062] In an embodiment of the present disclosure, referring to Figures 3 to 6 and Figures 8 to 9The outer wall of the telescopic rod 5 is provided with an axial guide groove 20, the inner wall of the top end of the cover 6 is provided with a first guide block 21, the circumferential inner wall of the outer rod 4 is provided with a second guide block 22, the first guide block 21 and the second guide block 22 extend into the guide groove 20 respectively, and the first guide block 21 and the second guide block 22 can reciprocate in the guide groove 20. In this way, the longitudinal movement of the telescopic rod 5 can be guided, and the circumferential rotation of the telescopic rod 5 can be avoided.

[0063] Optionally, the second guide block 22 is located below the first guide block 21, and the first guide block 21 and the second guide block 22 are coaxially arranged.

[0064] Optionally, the first guide block 21 extends downward, and the first through hole 7 is formed in the first guide block 21.

[0065] Optionally, a plurality of clamping grooves 8 are uniformly arranged in the guide groove 20. In this way, the buckle 9 and the clamping groove 8 can be conveniently matched, and the movement of the telescopic rod 5 can be conveniently limited.

[0066] Optionally, the clamping groove 8 and the guide groove 20 are integrally punched and formed.

[0067] Optionally, the cross sections of the clamping groove 8 and the guide groove 20 are rectangular.

[0068] In an example, the distance between two adjacent clamping grooves 8 is 1-3 cm.

[0069] In an embodiment of the present disclosure, referring to Figures 4 to 8 The circumferential inner wall of the outer rod 4 is provided with a limiting ring 23, and the bottom end of the cover 6 is provided with a plurality of clamping claws 24 clamped with the limiting ring 23. In this way, the cover 6 can be installed in the outer rod 4, and the cover 6 can be prevented from falling off the outer rod 4.

[0070] Optionally, at least one stop block 25 matched with the limiting ring 23 is arranged on the outer wall of the bottom end of the telescopic rod 5. In this way, the telescopic rod 5 can be limited, and the telescopic rod 5 can be prevented from separating from the outer rod 4 during the rising process.

[0071] Optionally, the limiting ring 23 and the second guide block 22 are located on the same horizontal plane.

[0072] Optionally, a baffle is arranged on the limiting ring 23, and the baffle is matched with the stop block 25 to limit the telescopic rod 5.

[0073] In an embodiment of the present disclosure, referring to Figures 1 to 10 The working process of the liftable fan is briefly described as follows:

[0074] In use, first, the various components of the fan are assembled, in the initial state, the clamping block 11 is clamped with the clamping groove 8, when it is necessary to adjust the height of the fan, the button 13 is pressed by hand, driving the buckle 9 to rotate around the rotating shaft 10, so that the clamping block 11 is separated from the clamping groove 8, so that the first spring 12 is compressed, then the telescopic rod 5 is pulled out or retracted, the second spring 16 is retracted or stretched during the movement of the telescopic rod 5, thereby providing an upward or downward auxiliary elastic force for the movement of the telescopic rod 5, when the telescopic rod 5 moves to the appropriate position, the button 13 is released, the first spring 12 is restored, the buckle 9 rotates reversely around the rotating shaft 10, the clamping block 11 is reset and re-clamped into the clamping groove 8, thereby fixing the position of the telescopic rod 5, realizing the locking of the height of the fan.

[0075] Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. It is intended that the specification and examples be considered as exemplary only, with the true scope and spirit of the application being indicated by the following claims.

Claims

1. A liftable fan comprising, from bottom to top, a base (1), a lifting rod (2) and a fan body (3), characterized in that, The lifting rod (2) comprises: An outer rod (4) is detachably arranged at the top end of the base (1); A telescopic rod (5) is slidably arranged in the outer rod (4), the top end of the telescopic rod (5) extends out of the outer rod (4) and is detachably connected with the fan body (3), and the telescopic rod (5) can move longitudinally in the outer rod (4); A buckle assembly is configured to limit the movement of the telescopic rod (5).

2. The fan of claim 1, wherein, A gland (6) is detachably arranged at the top end of the outer rod (4), the bottom end of the gland (6) extends into the outer rod (4), and the telescopic rod (5) passes through the gland (6); A first through hole (7) extending in the axial direction is formed in the circumferential side wall of the gland (6), a plurality of clamping grooves (8) are arranged in the axial direction on the outer wall of the telescopic rod (5), the buckle assembly is rotatably arranged in the first through hole (7) and cooperates with the clamping grooves (8) to limit the movement of the telescopic rod (5).

3. The fan of claim 2, wherein, The buckle assembly comprises: A buckle (9) is provided with a rotating shaft (10), and the buckle (9) is rotatably arranged in the first through hole (7) through the rotating shaft (10); A clamping block (11) is arranged at one end of the buckle (9), and the buckle (9) cooperates with the clamping grooves (8) through the clamping block (11); A first spring (12) is arranged between the outer rod (4) and the gland (6), one end of the first spring (12) is connected with the side wall of the buckle (9) away from the clamping block (11), and the other end of the first spring (12) abuts against the inner wall of the outer rod (4); Wherein, the other end of the buckle (9) abuts against the button (13), and the button (13) is movably arranged on the side wall of the outer rod (4).

4. The fan of claim 3, wherein, A second through hole (14) is formed in the side wall of the outer rod (4), one end of the button (13) extends out of the outer rod (4) through the second through hole (14), and the other end of the button (13) is provided with a limiting plate (15), and the other end of the buckle (9) abuts against the limiting plate (15); The button (13) can reciprocate in the second through hole (14).

5. The fan of claim 2, wherein, A second spring (16) is arranged in the outer rod (4), and the second spring (16) is used for providing elastic force for the movement of the telescopic rod (5).

6. The fan of claim 5, wherein, The second spring (16) is a clock spring; One end of the second spring (16) is connected with the inner wall of the outer rod (4), and the other end of the second spring (16) abuts against the outer wall of the telescopic rod (5) after being coiled.

7. The fan of claim 5, wherein, A first through slot (17) extending in the axial direction is formed in the circumferential side wall of the gland (6), a second through slot (18) extending in the axial direction is formed in the side wall of the bottom end of the telescopic rod (5), a connecting block (19) extending into the first through slot (17) is arranged on the inner wall of the outer rod (4), one end of the second spring (16) extends into the first through slot (17) and is connected with the connecting block (19), and the other end of the second spring (16) is placed in the second through slot (18) after being coiled.

8. The fan of claim 5, wherein, The second spring (16) is a spiral spring; One end of the second spring (16) is connected with the inner wall of the outer rod (4), and the other end of the second spring (16) is connected with the bottom end of the telescopic rod (5).

9. The fan of claim 2, wherein, An axially extending guide groove (20) is arranged on the outer wall of the telescopic rod (5), and a plurality of clamping grooves (8) are uniformly arranged in the guide groove (20); A first guide block (21) is arranged on the inner wall of the top end of the pressing cover (6), and a second guide block (22) is arranged on the circumferential inner wall of the outer rod (4), the first guide block (21) and the second guide block (22) extend into the guide groove (20) respectively, and the first guide block (21) and the second guide block (22) can reciprocate in the guide groove (20).

10. The fan of claim 9, wherein, A limiting ring (23) is arranged on the circumferential inner wall of the outer rod (4), a plurality of clamping claws (24) are arranged at intervals at the bottom end of the pressing cover (6) and are clamped with the limiting ring (23), and at least one stop block (25) is arranged on the outer wall of the bottom end of the telescopic rod (5) and cooperates with the limiting ring (23).

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