CN210509693U

CN210509693U - Height adjusting mechanism of electric fan

Info

Publication number: CN210509693U
Application number: CN201921496966.3U
Authority: CN
Inventors: 段煜
Original assignee: Shenzhen Kanglinjian Technology Co Ltd
Current assignee: Shenzhen Kanglinjian Technology Co Ltd
Priority date: 2019-09-10
Filing date: 2019-09-10
Publication date: 2020-05-12
Anticipated expiration: 2029-09-10

Abstract

The utility model discloses a height adjusting mechanism of electric fan, the on-line screen storage device comprises a base, the fixed cover of top fixedly connected with of base, the inside sliding connection of fixed cover has the regulation section of thick bamboo body, the top fixed mounting who adjusts the section of thick bamboo body has the fan body, the positive top fixedly connected with transmission cover of fixed cover. The utility model discloses it removes to suitable position to drive the fan body through fixed cover by adjusting a section of thick bamboo body, the inside of going into the draw-in groove through swivel nut and driving sleeve drive spill pole card by the screw rod again carries out the rigidity to adjusting a section of thick bamboo body, it is spacing to carry out the screw rod by the fixed cover of stop gear at last, thereby possessed and to carry out effectively fixed advantage to adjusting a section of thick bamboo, the regulation section of thick bamboo of having solved current electric fan is behind the height-adjusting, only compress tightly fixedly through a bolt, fixed effect is relatively poor, and the bolt is easy to appear not hard up the problem of gyration because of vibrations after long-time the use, the improvement of certain degree the practicality of.

Description

Height adjusting mechanism of electric fan

Technical Field

The utility model relates to an electric fan technical field specifically is a height adjusting mechanism of electric fan.

Background

An electric fan, also called fan and fan blower for short, is a household appliance which uses a motor to drive fan blades to rotate so as to accelerate the circulation of air, is mainly used for cooling, relieving summer heat and circulating air, and is widely used in places such as families, classrooms, offices, shops, hospitals, hotels and the like.

The fan mainly comprises parts such as fan head, blade, screen panel and controlling means, but the regulation section of thick bamboo of current electric fan compresses tightly fixedly through a bolt after the height-adjusting, and fixed effect is relatively poor, and the phenomenon of not hard up gyration appears because of vibrations easily after the bolt is used for a long time simultaneously, the practicality of electric fan has been reduced to a certain extent.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a height adjusting mechanism of electric fan has possessed and to have carried out effectively fixed advantage to an adjusting cylinder, and the adjusting cylinder of having solved current electric fan only compresses tightly fixedly through a bolt after height-adjusting, and fixed effect is relatively poor, and the bolt appears not hard up the problem of gyration because of vibrations easily after long-time the use simultaneously.

(II) technical scheme

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a height adjusting mechanism of electric fan, includes the base, the fixed cover of top fixedly connected with of base, the inside sliding connection of fixed cover has the regulation section of thick bamboo body, the top fixed mounting who adjusts the section of thick bamboo body has the fan body, the positive top fixedly connected with transmission sleeve of fixed cover, the inside of transmission sleeve has the screw rod through the horizontal swing joint of disc, the equal threaded connection in both sides on screw rod surface has the swivel nut, the back fixedly connected with spill pole of swivel nut, the draw-in groove has all been seted up to the both sides of adjusting the section of thick bamboo body, the one end that the swivel nut was kept away from to the spill pole runs through to the inside of draw-in groove, the right-hand.

Preferably, the shape of the surface of the screw sleeve and the shape of the inner wall of the transmission sleeve are both square, and the surface of the screw sleeve is connected inside the transmission sleeve in a sliding manner.

Preferably, the right-hand member of screw rod is provided with stop gear, stop gear includes notch board, tooth cover, ring gear and spring, notch board fixed connection is at the right-hand member of screw rod, the tooth cover cup joints the surface at the notch board, ring gear fixed connection is on the right side of transmission cover, the ring gear is located the inside of tooth cover, ring gear and tooth cover meshing, the surface at the notch board is established to the spring housing, the left end fixed connection of spring is on the right side of tooth cover.

Preferably, the surface of the concave rod is sleeved with a reinforcing sleeve, and one side of the reinforcing sleeve, which is close to the fixing sleeve, is fixedly connected to the surface of the fixing sleeve.

Preferably, the top of the fixed sleeve is fixedly connected with a sealing sleeve, the inner wall of the sealing sleeve is in contact with the surface of the adjusting cylinder body, and the height of the sealing sleeve is greater than that of the inner wall of the clamping groove.

Preferably, a circular groove is formed in the left side of the inner wall of the transmission sleeve, and the left end of the screw rod is connected to the inside of the circular groove in a sliding mode.

(III) advantageous effects

Compared with the prior art, the utility model provides a height adjusting mechanism of electric fan possesses following beneficial effect:

1. this height adjusting mechanism of electric fan, it removes to suitable position to drive the fan body through fixed cover by adjusting a section of thick bamboo body, the inside that drives spill pole card income draw-in groove through swivel nut and transmission cover by the screw rod again carries out the rigidity to adjusting a section of thick bamboo body, it is spacing to carry out the screw rod by the fixed cover of stop gear at last, thereby possessed and to carry out effectively fixed advantage to adjusting a section of thick bamboo, the regulation section of thick bamboo of having solved current electric fan is behind height-adjusting, only compress tightly fixedly through a bolt, fixed effect is relatively poor, the problem of not hard up gyration appears because of vibrations easily after long-time the use of bolt simultaneously, the improvement of certain degree the practicality of electric fan.

2. The height adjusting mechanism of the electric fan can limit the screw sleeve by setting the shape of the surface of the screw sleeve and the shape of the inner wall of the transmission sleeve to be square, avoids the phenomenon that the concave rod cannot be effectively clamped into the clamping groove due to the rotation of the screw sleeve when the screw sleeve moves, the gear sleeve can be pushed by elasticity through the arrangement of the spring, the phenomenon that the gear sleeve is easy to separate from the gear ring is avoided, the concave rod can be supported and limited by arranging the reinforcing sleeve, the phenomenon that the joint of the concave rod and the threaded sleeve is easy to damage is avoided, the supporting strength of the concave rod is improved, by arranging the sealing sleeve, the gap between the fixed sleeve and the adjusting cylinder body can be sealed, the phenomenon that dust easily falls into the fixed sleeve is avoided, through setting up the circular slot, can support the screw rod, increase the area of contact between screw rod and the transmission sleeve, improve the stability of screw rod.

Drawings

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

FIG. 2 is a top sectional view of the driving sleeve of the present invention;

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

fig. 4 is a schematic perspective view of the structural concave plate of the present invention.

In the figure: the fan comprises a base 1, a fixed sleeve 2, an adjusting cylinder body 3, a fan body 4, a transmission sleeve 5, a screw rod 6, a threaded sleeve 7, a concave rod 8, a clamping groove 9, a limiting mechanism 10, a concave plate 101, a toothed sleeve 102, a gear ring 103, a spring 104, a reinforcing sleeve 11, a sealing sleeve 12 and a circular groove 13.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a height adjusting mechanism of an electric fan comprises a base 1, a fixed sleeve 2 is fixedly connected to the top of the base 1, an adjusting cylinder body 3 is slidably connected to the inside of the fixed sleeve 2, a sealing sleeve 12 is fixedly connected to the top of the fixed sleeve 2, the inner wall of the sealing sleeve 12 is in contact with the surface of the adjusting cylinder body 3, the height of the sealing sleeve 12 is greater than that of the inner wall of a clamping groove 9, a gap between the fixed sleeve 2 and the adjusting cylinder body 3 can be sealed by arranging the sealing sleeve 12, so that dust is prevented from easily falling into the fixed sleeve 2, a fan body 4 is fixedly installed at the top of the adjusting cylinder body 3, a transmission sleeve 5 is fixedly connected to the front top of the fixed sleeve 2, a screw 6 is transversely and movably connected to the inside of the transmission sleeve 5 through a disc, screw sleeves 7 are respectively in threaded connection with both sides of the surface of the screw, the surface of the threaded sleeve 7 is slidably connected inside the transmission sleeve 5, the surface of the threaded sleeve 7 and the inner wall of the transmission sleeve 5 are both square, the threaded sleeve 7 can be limited, the phenomenon that the concave rod 8 cannot be effectively clamped into the clamping groove 9 due to rotation of the threaded sleeve 7 when the threaded sleeve 7 moves is avoided, a limiting mechanism 10 is arranged at the right end of the screw rod 6, the limiting mechanism 10 comprises a concave plate 101, a toothed sleeve 102, a gear ring 103 and a spring 104, the concave plate 101 is fixedly connected at the right end of the screw rod 6, the toothed sleeve 102 is sleeved on the surface of the concave plate 101, the gear ring 103 is fixedly connected to the right side of the transmission sleeve 5, the gear ring 103 is located inside the toothed sleeve 102, the gear ring 103 is meshed with the toothed sleeve 102, the spring 104 is sleeved on the surface of the concave plate 101, the left end of the spring 104 is fixedly connected to the right side of the toothed sleeve 102, the spring 104 is arranged, the toothed sleeve 102 can be, the back of the screw sleeve 7 is fixedly connected with a concave rod 8, the surface of the concave rod 8 is sleeved with a reinforcing sleeve 11, one side of the reinforcing sleeve 11 close to the fixed sleeve 2 is fixedly connected with the surface of the fixed sleeve 2, the concave rod 8 can be supported and limited by arranging the reinforcing sleeve 11, the phenomenon that the joint of the concave rod 8 and the screw sleeve 7 is easy to damage is avoided, the supporting strength of the concave rod 8 is improved, the clamping grooves 9 are respectively arranged on the two sides of the adjusting cylinder body 3, the circular groove 13 is arranged on the left side of the inner wall of the transmission sleeve 5, the left end of the screw rod 6 is connected inside the circular groove 13 in a sliding manner, through setting up circular slot 13, can support screw rod 6, increased the area of contact between screw rod 6 and the transmission cover 5, improved screw rod 6's stability, the one end that swivel nut 7 was kept away from to spill pole 8 runs through to the inside of draw-in groove 9, and the right-hand member of screw rod 6 runs through to the outside of transmission cover 5.

In use, a user first pulls the toothed sleeve 102 to the right, disengaging the toothed sleeve 102 from the toothed ring 103 and compressing the spring 104, then the gear sleeve 102 is rotated, the gear sleeve 102 drives the screw rod 6 to rotate through the concave plate 101, the screw rod 6 drives the concave rod 8 to be separated from the clamping groove 9 through the screw sleeve 7, at this time, the adjusting cylinder body 3 can be pulled upwards, so that the adjusting cylinder body 3 drives the fan body 4 to move to a proper position, then the gear sleeve 102 is rotated reversely, the gear sleeve 102 drives the concave rod 8 to be clamped into the clamping groove 9 through the screw rod 6 and the threaded sleeve 7 to fix the position of the adjusting cylinder body 3, then the gear sleeve 102 is loosened, the spring 104 pushes the gear sleeve 102 through the elastic force, so that the gear sleeve 102 is sleeved on the surface of the gear ring 103, meanwhile, the gear ring 103 is meshed in the gear sleeve 102 to limit the screw 6, so that the screw 6 is prevented from rotating, and the effect of effectively fixing the adjusting cylinder is achieved.

To sum up, this height adjusting mechanism of electric fan drives fan body 4 through fixed cover 2 by adjusting a section of thick bamboo body 3 and removes to suitable position, carry out the rigidity to adjusting a section of thick bamboo body 3 by screw rod 6 through swivel nut 7 and 5 inside that drive spill pole 8 card goes into draw-in groove 9, fix cover 2 by stop gear 10 fixed at last and carry on spacingly to screw rod 6, thereby possessed and carried out effectively fixed advantage to adjusting a section of thick bamboo, the adjusting cylinder of having solved current electric fan is behind height-adjusting, only compress tightly fixedly through a bolt, fixed effect is relatively poor, the problem of not hard up gyration appears easily because of vibrations in the bolt after long-time the use simultaneously, the practicality of electric fan has been improved to a certain degree.

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 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 height adjustment mechanism of electric fan, includes base (1), its characterized in that: the utility model discloses a fan assembly, including base (1), the fixed cover of top fixedly connected with (2) of base (1), the inside sliding connection of fixed cover (2) has a regulation section of thick bamboo body (3), the top fixed mounting who adjusts a section of thick bamboo body (3) has fan body (4), the positive top fixedly connected with transmission cover (5) of fixed cover (2), the inside of transmission cover (5) has screw rod (6) through the horizontal swing joint of disc, the equal threaded connection in both sides on screw rod (6) surface has swivel nut (7), the back fixedly connected with spill pole (8) of swivel nut (7), draw-in groove (9) have all been seted up to the both sides of adjusting a section of thick bamboo body (3), the one end that swivel nut (7) were kept away from in spill pole (8) runs through to the inside of draw-in groove (9), the right-hand member of screw rod.

2. The height adjusting mechanism of an electric fan according to claim 1, wherein: the shape of the surface of the threaded sleeve (7) and the shape of the inner wall of the transmission sleeve (5) are both square, and the surface of the threaded sleeve (7) is connected to the inside of the transmission sleeve (5) in a sliding mode.

3. The height adjusting mechanism of an electric fan according to claim 1, wherein: the right-hand member of screw rod (6) is provided with stop gear (10), stop gear (10) include concave plate (101), tooth cover (102), ring gear (103) and spring (104), concave plate (101) fixed connection is at the right-hand member of screw rod (6), the surface at concave plate (101) is cup jointed in tooth cover (102), ring gear (103) fixed connection is on the right side of transmission cover (5), ring gear (103) are located the inside of tooth cover (102), ring gear (103) and tooth cover (102) meshing, the surface at concave plate (101) is established in spring (104) cover, the left end fixed connection of spring (104) is on the right side of tooth cover (102).

4. The height adjusting mechanism of an electric fan according to claim 1, wherein: the surface of the concave rod (8) is sleeved with a reinforcing sleeve (11), and one side of the reinforcing sleeve (11) close to the fixing sleeve (2) is fixedly connected to the surface of the fixing sleeve (2).

5. The height adjusting mechanism of an electric fan according to claim 1, wherein: the top fixedly connected with seal cover (12) of fixed cover (2), the inner wall of seal cover (12) and the surface contact who adjusts a section of thick bamboo body (3), the height that highly is greater than draw-in groove (9) inner wall of seal cover (12).

6. The height adjusting mechanism of an electric fan according to claim 1, wherein: circular slot (13) have been seted up on the left side of drive sleeve (5) inner wall, the left end sliding connection of screw rod (6) is in the inside of circular slot (13).