CN211623773U - Telescopic fan - Google Patents

Abstract

A telescopic fan. The problem of current hand-held type fan bulky, carry inconvenience is solved. It includes support body and casing, the casing cover locate in the support body and with the support body cooperation of sliding, the casing in be equipped with the power supply, the casing on be equipped with control and flabellum, the power supply be connected and drive the flabellum rotation with the flabellum through drive mechanism, the flabellum have the primary importance when installing and by the secondary location that expandes when the power supply drives. The utility model discloses a support body and casing can slide relatively to make the product small, portable enables the casing and stretches out suitable distance when using, convenient to use, and the change through the flabellum makes the product small when carrying moreover, and the flabellum opens during the use and can increase the air current and flow, makes product wind-force more sufficient. The utility model discloses simple structure still has, convenient assembling, and the action is reliable, advantages such as long service life.

Description

Telescopic fan

Technical Field

The utility model relates to a fan, concretely relates to flexible fan.

Background

The fan refers to a tool for cooling by generating wind in hot days. An electric fan is a device which is driven by electricity to generate air flow, and a fan arranged in the electric fan is electrified and then rotated into natural wind to achieve the effect of cooling. The existing electric fan is large and cannot be carried around when people go out. If people frequently go on a business trip or travel outside, the fan is hot and needed, but the folding fan or the common fan needs to be operated manually, so that the folding fan or the common fan is inconvenient. The existing handheld fan is one of fans, and a power supply is generally adopted to drive fan blades to rotate so as to generate air flow. However, the conventional fan structure is usually a fixed structure, and particularly, the size of the conventional fan structure cannot be changed, and the conventional handheld fan has large fan blades and occupies a large space, so that the conventional handheld fan is large in size and inconvenient to carry.

SUMMERY OF THE UTILITY MODEL

For solving the current hand-held type fan among the background art bulky, carry inconvenient problem, the utility model provides a flexible fan.

The technical scheme of the utility model is that: the utility model provides a telescopic fan, includes support body and casing, the casing cover locate in the support body and with the support body cooperation of sliding, the casing in be equipped with the power supply, the casing on be equipped with control and flabellum, the power supply be connected and drive the flabellum rotation with the flabellum through drive mechanism, the flabellum have the installation when the primary importance with by the power supply drive when the secondary importance that expandes.

As an improvement of the present invention, the housing has a first state retracted into the frame body and a second state relative to the frame body and sliding to facilitate the rotation of the fan blades, and the housing is in the second state while the fan blades extend out of the frame body.

As a further improvement of the present invention, the control member is disposed on the housing and driven by the housing to move relative to the frame, and the housing is in the second state while the control member is extended out of the frame.

As a further improvement, the casing in be equipped with circuit board and battery, power supply all be connected with the circuit board, control be connected with the circuit board and rotate through power supply control flabellum.

As a further improvement, the casing in be equipped with the backup pad, the backup pad on be equipped with arc portion, the battery locate the arc portion of backup pad on and make and form the clearance between battery and the shells inner wall.

As a further improvement, the casing in be equipped with the holding chamber, the inner wall in holding chamber be equipped with and be used for the power supply to support spacing strengthening rib.

As a further improvement, the support body on be equipped with a plurality of gear grooves, the casing on be equipped with the card foot, card foot on the casing cooperates with the gear groove and realizes that the casing is spacing.

As a further improvement, the support body on be equipped with the spout, the casing on be equipped with the elasticity portion, the elasticity portion on be equipped with the button that pushes away that is convenient for promote the relative support body of casing and slides, the card foot locate on the elasticity portion, push away the button locate in the spout and remove the card foot spacing through pressing away the button.

As a further improvement, the transmission mechanism comprises a transmission disc and a transmission seat, the power source is connected with the transmission disc through the transmission shaft and drives the transmission disc to rotate, the fan blades are arranged between the transmission disc and the transmission seat and synchronously rotate with the transmission disc and the transmission seat

As a further improvement, the driving plate on be equipped with a plurality of erection columns, flabellum cover locate the erection column outside and with the setting of erection column one-to-one, the flabellum shrink naturally when the power supply is out of work, drive it by centrifugal force when the power supply moves and open and rotate with driving plate, driving seat are synchronous

The beneficial effects of the utility model are that, the utility model discloses a support body and casing can slide relatively to make the product small, portable enables the casing when using and stretches out suitable distance, convenient to use makes the product small when carrying through the change of flabellum moreover, and the flabellum opens and to increase the air current and flow during the use, makes product wind-force more sufficient. The utility model discloses simple structure still has, convenient assembling, and the action is reliable, advantages such as long service life.

Drawings

Fig. 1 is a schematic structural diagram of the housing in the first state according to the embodiment of the present invention.

Fig. 2 is a schematic structural view of the embodiment of the present invention when the housing is in the second state and the fan blades are in the second position.

Fig. 3 is a schematic diagram of the exploded structure of fig. 2.

Fig. 4 is a schematic structural view in another direction of fig. 3.

Fig. 5 is a schematic structural diagram of the fan blade 5 in fig. 3.

In the figure, 1, a frame body; 11. a gear groove; 12. a chute; 2. a housing; 21. a support plate; 211. an arc-shaped portion; 22. an accommodating cavity; 23. reinforcing ribs; 24. clamping a pin; 25. an elastic portion; 26. a push button; 3. a power source; 4. a control member; 5. a fan blade; 6. a transmission mechanism; 61. a drive plate; 611. mounting a column; 62. a transmission seat; 63. a drive shaft; 7. a circuit board; 8. a battery.

Detailed Description

The embodiments of the present invention will be further explained with reference to the accompanying drawings:

shown by fig. 1 in combination with fig. 2-5, a telescopic fan includes support body 1 and casing 2, 2 covers of casing locate in support body 1 and with support body 1 cooperation of sliding, casing 2 in be equipped with power supply 3, casing 2 on be equipped with control 4 and flabellum 5, power supply 3 be connected and drive flabellum 5 rotation with flabellum 5 through drive mechanism 6, flabellum 5 have the primary importance when installing and by the secondary importance that expandes when power supply 3 drives. The utility model discloses a support body and casing can slide relatively to make the product small, portable enables the casing and stretches out suitable distance when using, convenient to use, and the change through the flabellum makes the product small when carrying moreover, and the flabellum opens during the use and can increase the air current and flow, makes product wind-force more sufficient. The utility model discloses simple structure still has, convenient assembling, and the action is reliable, advantages such as long service life. Specific saying so, the control be the switch, can be button switch or knob switch etc. according to actual need, the utility model discloses a control is button switch. The utility model discloses well power supply of adopting is the motor, can adopt the button motor, can adopt power supplies such as cylinder, pneumatic cylinder certainly also.

Casing 2 the first state that has retraction support body 1 in and the relative support body 1 second state of being convenient for flabellum 5 pivoted after sliding, casing 2 when being in the second state flabellum 5 stretch out outside support body 1. Specifically, when the shell is in the second state, the fan blades are still in the first position, and when the control piece is pressed down, the fan blades are driven by the transmission mechanism to be unfolded and operated to be in the second position. The structure of noticing makes the whole small volume of the product, and is convenient to carry and hold by hand when in use.

Control 4 locate on casing 2 and drive its relative support body 1 motion by casing 2, casing 2 be in when the second state control 4 stretch out outside support body 1. Specifically speaking, when the control piece is in the first state and the casing retracts into the frame body, misoperation is avoided, when the casing 2 is in the second state the control piece 4 stretches out of the frame body 1, so that a user can press and operate the control fan blade to act.

Casing 2 in be equipped with circuit board 7 and battery 8, power source 3 all be connected with circuit board 7, control 4 be connected with circuit board 7 and control flabellum 5 through power source 3 and rotate. The structure of noticing makes the product action reliable, and control is convenient, the utility model discloses specific circuit control part can adopt current technique to realize.

The casing 2 in be equipped with the backup pad 21, backup pad 21 on be equipped with arc portion 211, battery 8 locate on the arc portion 211 of backup pad 21 and make and form the clearance between battery 8 and the casing 2 inner wall. The setting of backup pad is convenient for the installation of battery fixed, makes simultaneously to be equipped with the clearance between battery and the casing, and the battery heat dissipation of being convenient for also is convenient for the wiring.

The housing 2 is internally provided with an accommodating cavity 22, and the inner wall of the accommodating cavity 22 is provided with a reinforcing rib 23 for supporting and limiting the power source 3. The structure is convenient for the installation and fixation of the power source, and particularly, the power source is circular. Thus, the power source is convenient to disassemble and assemble.

Support body 1 on be equipped with a plurality of gear grooves 11, casing 2 on be equipped with card foot 24, card foot 24 on the casing 2 and gear groove 11 cooperate and realize that casing 2 is spacing. Specifically speaking, support body 1 on be equipped with spout 12, casing 2 on be equipped with elastic component 25, elastic component 25 on be equipped with and be convenient for promote casing 2 and push away button 26 relative support body 1 and slide, card foot 24 locate on elastic component 25, push away button 26 locate in spout 12 and remove card foot 24 spacing through pressing to push away button 26. The gear groove is arranged, so that the extending distance of the shell can be adjusted, the selectivity is more, and the interestingness is better. The casing is not only convenient for push by the setting of pushing away the button, can make pushing away pressing of button simultaneously can unblock card foot, and the relative support body of casing of being convenient for slides simple structure.

Drive mechanism 6 include driving disc 61 and driving seat 62, power source 3 be connected with driving disc 61 through transmission shaft 63 and drive driving disc 61 and rotate, flabellum 5 locate between driving disc 61, the driving seat 62 and with driving disc 61, the synchronous rotation of driving seat 62. The structure enables the power source to reliably drive the fan blades to rotate. Specifically, the transmission disc 61 is provided with a plurality of mounting posts 611, the fan blades 5 are sleeved outside the mounting posts 611 and are arranged in one-to-one correspondence with the mounting posts 611, the fan blades 5 are naturally contracted when the power source 3 does not work, and are driven by centrifugal force to expand to rotate synchronously with the transmission disc 61 and the transmission base 62 when the power source 3 acts. The structure enables the fan blades to naturally droop and contract under the action of gravity in a natural state, and to be driven by centrifugal force to open and synchronously rotate with the transmission disc 61 and the transmission seat 62 in work. More specifically speaking, the transmission disc can realize linkage with transmission shaft interference fit and also can realize linkage through fixed connection, the flabellum cover locate the erection column and can rotate relative to the erection column. More specifically speaking, at the in-process of casing retraction support body, even flabellum and support body interfere mutually, also can realize stepping down through the rotation of relative erection column, avoid the flabellum to damage, and the product is small, portable. More specifically, the mounting posts are symmetrically arranged, and different numbers of mounting posts can be arranged according to the requirement.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

The skilled person should understand that: although the present invention has been described in accordance with the above embodiments, the inventive concept is not limited to this embodiment, and any modification of the inventive concept will be included in the scope of the patent claims.

Claims (10)

1. The utility model provides a telescopic fan, includes support body (1) and casing (2), its characterized in that casing (2) cover locate in support body (1) and with support body (1) cooperation of sliding, casing (2) in be equipped with power supply (3), casing (2) on be equipped with control (4) and flabellum (5), power supply (3) be connected and drive flabellum (5) rotation through drive mechanism (6) and flabellum (5), flabellum (5) have the primary importance when installing and by the secondary importance that expandes when power supply (3) drive.

2. The retractable fan as claimed in claim 1, wherein the housing (2) has a first state retracted into the frame (1) and a second state sliding relative to the frame (1) to facilitate the rotation of the fan blades (5), and when the housing (2) is in the second state, the fan blades (5) extend out of the frame (1).

3. The retractable fan as claimed in claim 2, wherein the control member (4) is disposed on the casing (2) and is driven by the casing (2) to move relative to the frame (1), and the control member (4) extends out of the frame (1) when the casing (2) is in the second state.

4. The telescopic fan according to claim 1, wherein a circuit board (7) and a battery (8) are arranged in the casing (2), the battery (8) and the power source (3) are both connected with the circuit board (7), and the control member (4) is connected with the circuit board (7) and controls the fan blades (5) to rotate through the power source (3).

5. The stretching fan as claimed in claim 4, wherein a support plate (21) is provided in the case (2), an arc portion (211) is provided on the support plate (21), and the battery (8) is provided on the arc portion (211) of the support plate (21) and forms a gap between the battery (8) and the inner wall of the case (2).

6. The telescopic fan according to claim 1, wherein the housing (2) is provided with a receiving chamber (22), and the inner wall of the receiving chamber (22) is provided with a reinforcing rib (23) for supporting and limiting the power source (3).

7. The telescopic fan according to claim 1, wherein the frame body (1) is provided with a plurality of gear grooves (11), the housing (2) is provided with a clamping pin (24), and the clamping pin (24) on the housing (2) is matched with the gear grooves (11) to realize the limitation of the housing (2).

8. The retractable fan according to claim 7, wherein the frame body (1) is provided with a sliding groove (12), the housing (2) is provided with an elastic part (25), the elastic part (25) is provided with a push button (26) which is convenient for pushing the housing (2) to slide relative to the frame body (1), the clamping leg (24) is arranged on the elastic part (25), and the push button (26) is arranged in the sliding groove (12) and is released from limiting of the clamping leg (24) by pressing the push button (26).

9. The telescopic fan according to claim 1, wherein the transmission mechanism (6) comprises a transmission disc (61) and a transmission seat (62), the power source (3) is connected with the transmission disc (61) through a transmission shaft (63) and drives the transmission disc (61) to rotate, and the fan blades (5) are arranged between the transmission disc (61) and the transmission seat (62) and synchronously rotate with the transmission disc (61) and the transmission seat (62).

10. The telescopic fan according to claim 9, wherein the transmission disc (61) is provided with a plurality of mounting posts (611), the fan blades (5) are sleeved outside the mounting posts (611) and are arranged in one-to-one correspondence with the mounting posts (611), the fan blades (5) naturally contract when the power source (3) does not work, and are driven to expand by centrifugal force when the power source (3) acts to synchronously rotate with the transmission disc (61) and the transmission base (62).

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