CN212508943U

CN212508943U - Circulating fan

Info

Publication number: CN212508943U
Application number: CN202020968778.2U
Authority: CN
Inventors: 冯椿鹏
Original assignee: Individual
Current assignee: Cixi Pengxiang Electric Appliance Co ltd
Priority date: 2020-06-01
Filing date: 2020-06-01
Publication date: 2021-02-09
Anticipated expiration: 2030-06-01

Abstract

The utility model provides a circulation fan, includes cartridge clip and regulation base block, circulation fan still includes the resistance piece in order to strengthen the cartridge clip and adjust the regulation resistance when the base block rotates relatively, the resistance piece leans on the edge to locate one or both in cartridge clip and the regulation base block. This circulation fan structural design is ingenious, and the regulation resistance when angle modulation gear setting about can effectively increasing to increase the perception degree, be convenient for reliably, accurate gear setting.

Description

Circulating fan

Technical Field

The utility model relates to a fan technical field specifically says and indicates a circulation fan.

Background

The circulating fan mainly functions to form convection circulation of indoor air so as to achieve the effect of balancing temperature in a reasonable air flow direction. The distance of wind blown out by the circulating fan is far, and the circulating fan has better directionality. The circulating fan can not be directly used as a refrigerator generally, and is often used for matching with an air conditioner to achieve the effects of quick refrigeration and room temperature balance. The circulating fan can also be used for circulating the indoor air and the outdoor air to lead the indoor air and the outdoor air to be alternated.

When the circulating fan is used, the fan head needs to be adjusted and fixed in a vertical angle at times so as to realize the head raising or lowering of the fan head. At present, the manual operation is mainly carried out, and in the adjusting process, the rotation of a cartridge clip connected with the rear end of a fan head relative to an adjusting base block is mainly utilized to realize the adjustment.

During actual operation, the situation of small adjusting resistance often exists in the process that the cartridge clip rotates relative to the adjusting base block, so that the sensing degree during gear setting adjustment is weak, and reliable and accurate gear setting is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: the utility model provides a can effectively increase the circulation fan of adjusting resistance when angle modulation is with the gear when deciding about fan head carries out, perception degree when angle modulation decides the gear about this circulation fan can effectively increase, reliable, accurate gear of being convenient for.

The utility model provides a technical scheme that above-mentioned technical problem adopted does, provides a circulation fan, including cartridge clip and regulation base block, the circulation fan still includes the resistance of adjusting when resistance piece rotates with reinforcing cartridge clip relative regulation base block, resistance piece leans on the edge to locate one or both in cartridge clip and the regulation base block.

In some embodiments, the resistance element is an elastomeric pad that facilitates an increase in the accommodative resistance.

Furthermore, the elastic pad is an elastic rubber pad, so that the elasticity is good, the wear resistance is strong, and the service life is long.

Furthermore, the elastic pad is an arc-shaped elastic pad, the arc-shaped elastic pad is arranged along the rotation direction, and the edge of the arc-shaped elastic pad is arranged on one or both of the cartridge clip and the adjusting base block. The elastic cushion with the shape structure and the arrangement mode can fully realize the enhancement of the adjusting resistance when rotating.

In some embodiments, the resistance member is disposed in a housing groove at an end side of the adjustment base block, and an outer end of the resistance member extends out of the housing groove to be in press contact with the cartridge holder. Therefore, the accommodating space at the end side of the adjusting base block is fully utilized, so that the resistance piece has a sufficient accommodating position. And the resistance piece acts on the cartridge clip in a pressing contact mode through the outer end extending out, so that the adjusting resistance of the cartridge clip when the relative adjusting base block rotates is effectively enhanced.

Furthermore, the accommodating groove is used for accommodating 1/2-4/5 of the resistance piece, so that the phenomenon that the resistance piece is not easy to loosen or fall off when the cartridge clip rotates relative to the adjusting base block is guaranteed.

In some embodiments, the resistance piece is arranged on the side part of the elastic clamp end in a protruding mode, and the outer end of the resistance piece is in press contact with the adjusting base block. Firstly, the resistance piece and the cartridge clip can be integrated and assembled on the corresponding part of the circulating fan at the same time; secondly, the cartridge clip is the initiative rotation piece, presses the back through resistance piece on it with the regulation base block, and at the rotation in-process of cartridge clip, higher to the perception degree of adjusting the resistance, the controllability is stronger.

Furthermore, the resistance piece is adhered to the side part of the end of the cartridge clip, so that the thickness of the resistance piece can be thinner, the interval gap between the cartridge clip and the adjusting base block can be effectively reduced, and the structure is more compact.

In some embodiments, the resistance element is accommodated in an accommodating cavity of the cartridge clip, the accommodating cavity is convexly arranged in the direction departing from the adjusting base block, and the outer end of the resistance element is in press contact with the adjusting base block. The arrangement of the accommodating cavity can meet the configuration of the resistance piece, and meanwhile, the accommodating cavity can be made relatively deep to prevent the resistance piece from being easily separated.

In some embodiments, the circulating fan further comprises an oscillating driving mechanism for rotating the fan head, the oscillating driving mechanism comprises a turntable, a motor, a crank, an arc-shaped connecting rod and a rotating seat coaxially assembled with the turntable, the motor is mounted on the turntable, one end of the crank is mounted at the output end of the motor to realize circumferential rotation of the crank, the other end of the crank is connected with one end of the arc-shaped connecting rod, and the other end of the arc-shaped connecting rod is connected with the rotating seat to realize the back-and-forth swinging of the rotating seat together with the turntable. The oscillating driving mechanism has a very compact overall structure, and can realize reliable and stable operation through effective connection of all parts, so that the fan head can stably rotate. Especially, after the rotating seat is arranged, the rotating seat can be driven to rotate by swinging the rotating seat, so that compared with a rotating disk, the size of the rotating seat can be much smaller, the driving is easier, a larger swinging amplitude is obtained, and finally, the rotating angle of the fan head is effectively increased.

Furthermore, the rotating seat comprises a fan-shaped swinging body connected with the arc-shaped connecting rod and a shaft sleeve connected with the central part of the fan-shaped swinging body, the shaft sleeve and the rotating disc are respectively assembled on the shaft body part and the head part of a swinging shaft, the fan-shaped swinging body is fan-shaped and is matched with the shape of the reciprocating swinging covering surface of the rotating seat, the required driving force is smaller, and the rotating angle of the fan head is easier to increase.

The utility model discloses a circulation fan, angle modulation when in order to decide the shelves about the fan head goes on, when operation cartridge clip relatively adjusts the base block rotation promptly, because of be provided with the resistance piece between cartridge clip and the regulation base block, and the resistance piece can effectively increase the cartridge clip and relatively adjust the regulation resistance when base block rotates for perception degree when rotating strengthens, thereby can obtain reliable, accurate accent.

Drawings

Embodiments of the present invention will now be described in more detail and by way of non-limiting examples with reference to the accompanying drawings in order to provide a thorough understanding of the principles of the invention. It should be noted that the features and structures shown in the various figures do not necessarily represent actual shapes and sizes of the corresponding parts, but are merely used to explain the principles of the embodiments of the present invention.

Fig. 1 is a schematic structural view of the circulation fan of the present invention.

Fig. 2 is a schematic view of the exploded structure between the casing and the cartridge clip of the circulating fan of the present invention.

Fig. 3 is a schematic view of the exploded structure between the elastic rubber pad and the adjusting base block of the circulating fan of the present invention.

Fig. 4 is the assembly structure schematic diagram between the oscillating driving mechanism, the adjusting base block and the cartridge clip of the circulating fan.

Fig. 5 is the structure schematic diagram of the oscillating driving mechanism of the circulating fan of the present invention.

1. The fan comprises a fan head, a fan head 2, a shell, a cartridge clip 3, an adjusting base block 4, an inner concave chamber 5, a connecting part 6, an inner wall part 7, a side wall part 8, a retaining hole 9, a positioning hole 10, an accommodating groove 11, an elastic rubber pad 12, a rotating disc 13, a motor 14, a crank 15, an arc connecting rod 16, a rotating seat 17, a fan-shaped swinging body 18, a shaft sleeve 19 and a swinging shaft 20.

Detailed Description

Specific embodiments of the present invention will be described in detail below by way of examples.

It should be understood that the figures are merely schematic and are not drawn to scale. It should also be understood that the same reference numerals are used throughout the figures to indicate the same or similar parts.

It is to be understood that the embodiments of the present invention are not limited to the examples set forth below, and that modifications and variations of the described embodiments, as well as other embodiments of different forms, may be made by those skilled in the art using the principles of the present invention, all of which are clearly within the scope of the claimed invention.

Furthermore, it should be noted that the drawings referred to herein are for the purpose of illustrating and explaining embodiments of the present invention, and the shapes and sizes of each component and the connections between the different components shown in the drawings are merely used for schematically illustrating the embodiments of the present invention, and do not constitute limitations on the scope of the present invention.

The first embodiment is as follows:

in the embodiment shown in fig. 1-5, a circulating fan is disclosed, which comprises a fan head 1, a housing 2, a cartridge holder 3, an adjusting base block 4 and a moving head driving mechanism.

Wherein the housing 2 is connected to the rear end of the fan head 1, and the rear portion of the housing 2 forms an inner concave chamber 5 for the top of the adjustment base block 4 to be disposed therein. The cartridge 3 is formed in a U-shape as a whole, and the U-shaped cartridge 3 is fitted to an inner wall portion 7 of the inner recess 5 through a connecting portion 6, thereby achieving connection between the cartridge 3 and the housing 2. And the two side wall parts 8 of the U-shaped cartridge holder 3 are rotatably fitted to the two side parts of the adjusting base 4 through connecting shafts, respectively.

So far, when carrying out the upper and lower angle adjustment gear setting of fan head 1, because of cartridge clip 3 joins in marriage in shell 2, join in marriage in adjusting base block 4 through the connecting axle rotation again in two lateral wall portion 8 of cartridge clip 3, alright manual rotation shell 2 like this drives cartridge clip 3 and adjusts base block 4 relatively and rotate to carry out the regulation of upper and lower angle.

Of course, one side wall portion 8 of the cartridge 3 is provided with a plurality of the indexing holes 9 arranged at intervals in the circumferential direction around the rotation center. The adjusting base 4 is provided with a positioning hole 10 at one end side, and a positioning ball (not shown) with a spring (not shown) is preloaded in the positioning hole 10.

During the rotation of the cartridge 3, the positioning beads are pressed out of the positioning holes 10. After the angle is adjusted to the required position, along with the stop of rotation, the locating ball just aligns at fixed gear hole 9 this moment, and under the effect of spring, the locating ball just can stretch out locating hole 10 automatically and block in fixed gear hole 9 and realize required fixed gear. Of course, when the external force drives the rotation again, the positioning ball will be pressed down in the positioning hole 10 again, so as to facilitate the new gear setting.

In this embodiment, in order to increase the adjustment resistance during rotation, the other end side of the adjustment base block 4 is provided with an integrally arc-shaped accommodating groove 11, and an elastic rubber pad 12 is fitted in the accommodating groove 11. The housing groove 11 is provided near the edge portion of the adjustment base block 4 and arranged along the rotational direction. The elastic rubber pad 12 is matched with the containing groove 11 in shape, and the whole body is also arc-shaped. After the elastic rubber pad 12 is fitted in the receiving groove 11, the outer end of the elastic rubber pad 12 extends out of the receiving groove 11 and is pressed against the other side wall 8 of the cartridge 3.

In the process that the cartridge clip 3 relatively adjusts the rotation of the base block 4, the elastic rubber pad 12 is attached to and contacts the side wall part 8 of the cartridge clip 3, so that the friction force during rotation is increased, the adjusting resistance during gear setting adjustment is enhanced, the adjusting perception is increased, and more reliable and accurate gear setting is facilitated.

The elastic rubber pad 12 is made of nitrile rubber, has high integral wear resistance and good heat resistance, can generate larger friction force in the rotating process, and effectively enhances the adjusting resistance.

In this embodiment, the portion of elastomeric pad 12 extending out of receiving slot 11 is approximately 2/5 of the entirety of elastomeric pad 12. This preferred value ensures that the elastomeric rubber pad 12 can be securely assembled while also enabling reliable press-contact with the cartridge clip 3.

In this embodiment, the cartridge clip 3 contacts the elastic rubber pad 12 in a press-contact manner, so that the cartridge clip can be tightly contacted and pressed in the whole rotation process, the formation of friction resistance is ensured, and finally, reliable adjustment resistance is formed.

In this embodiment, referring to fig. 4-5, the oscillating driving mechanism for rotating the fan head includes a rotary plate 13, a motor 14, a crank 15, an arc-shaped connecting rod 16, and a rotating base 17 coaxially fitted with the rotary plate 13. The motor 14 is mounted on the rotary plate 13 and is located above the rotary plate 13. One end of the crank 15 is arranged at the output end of the motor 14 to realize circumferential rotation of the crank, that is, the motor 14 is started, and the output end of the motor 14 rotates and drives the crank 15 to rotate together.

The other end of the crank 15 is connected with one end of an arc connecting rod 16, and the other end of the arc connecting rod 16 is connected with the rotating seat 17 to realize that the rotating seat 17 swings back and forth together with the rotating disc 13.

With regard to the design of the shape structure of the rotary base 17, in the present embodiment, the rotary base 17 includes a fan-shaped oscillating body 18 connected to the arc-shaped link 16, and a boss 19 connected to the center portion of the fan-shaped oscillating body 18. The shaft sleeve 19 and the rotary disc 13 are respectively assembled on the shaft body part and the head part of a pendulum shaft 20.

Therefore, after the motor 14 is started, the crank 15 is driven to rotate, the crank 15 drives the arc-shaped connecting rod 16 to move, and the arc-shaped connecting rod 16 drives the rotating seat 17 to swing back and forth. While the rotating base 17 swinging back and forth drives the rotating disc 13 which is coaxially arranged through the same swing shaft 20 to rotate back and forth. And the rotating disc 13 is installed and connected with the adjusting base block 4, so that the whole fan head can be driven to realize large-amplitude oscillating rotation.

Example two, three:

unlike the first embodiment, in the second embodiment, the elastic rubber pad 12 is adhered to the end side portion of the cartridge 3. The bonding operation is convenient, the friction resistance is strong, and the structure can be simplified.

In the third embodiment, the elastic rubber pad 12 is accommodated in an accommodating cavity (not shown) of the cartridge 3, the accommodating cavity is protruded in a direction away from the adjusting base block 4, and the outer end of the elastic rubber pad 12 is in press contact with the adjusting base block 4. It should be noted that the direction away from the adjustment base 4 refers to a direction away from the adjustment base 4 formed after the cartridge holder 3 and the adjustment base 4 have been assembled.

The embodiments of the present invention have been described above in detail with reference to the accompanying drawings, but it should be noted that the above embodiments

The present invention has been described for illustrative purposes, and not for restrictive purposes, and that those skilled in the art will be able to design many alternative embodiments without departing from the scope of the appended claims. In the claims, the word "comprising" does not exclude the presence of elements or steps other than those listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The mere fact that certain features are recited in mutually different dependent claims does not indicate that a combination of these features cannot be used to advantage.

Claims

1. The utility model provides a circulation fan, includes cartridge clip and regulation base block, its characterized in that: the circulating fan further comprises a resistance piece to enhance the adjusting resistance of the cartridge clip when the cartridge clip rotates relative to the adjusting base block, and the resistance piece is arranged on one or both of the cartridge clip and the adjusting base block by the edge.

2. A circulation fan according to claim 1, wherein: the resistance element is an elastic pad.

3. A circulation fan according to claim 2, wherein: the elastic pad is an elastic rubber pad.

4. A circulation fan according to claim 2 or 3, wherein: the elastic cushion is an arc-shaped elastic cushion, the arc-shaped elastic cushion is arranged along the rotation direction, and the edge of the arc-shaped elastic cushion is arranged on one or both of the cartridge clip and the adjusting base block.

5. The circulation fan according to claim 4, wherein: the resistance piece is configured in the containing groove at the end side of the adjusting base block, and the outer end of the resistance piece extends out of the containing groove to be in press contact with the cartridge clip.

6. A circulation fan according to claim 5, wherein: the accommodating groove is used for accommodating 1/2-4/5 of the resistance piece.

7. The circulation fan according to claim 4, wherein: the resistance piece is convexly arranged on the side part of the elastic clamp end, and the outer end of the resistance piece is in press contact with the adjusting base block.

8. A circulation fan according to claim 7, wherein: the resistance piece is adhered to the side part of the elastic clamp end.

9. The circulation fan according to claim 4, wherein: the resistance piece is held in the holding chamber of cartridge clip, the holding chamber is protruding to be established towards the direction that deviates from the regulation base block, and the outer end of resistance piece then is pressed with the regulation base block and is touched.

10. The circulation fan according to any one of claims 1 to 3 and 5 to 9, wherein: the circulating fan further comprises an oscillating driving mechanism for enabling the fan head to rotate, the oscillating driving mechanism comprises a rotary table, a motor, a crank, an arc-shaped connecting rod and a rotating seat coaxially assembled with the rotary table, the motor is mounted on the rotary table, one end of the crank is mounted at the output end of the motor to achieve circumferential rotation of the crank, the other end of the crank is connected with one end of the arc-shaped connecting rod, and the other end of the arc-shaped connecting rod is connected with the rotating seat to achieve that the rotating seat and the rotary table swing back and forth.

11. A circulation fan according to claim 10, wherein: the rotating seat comprises a fan-shaped swinging body connected with the arc-shaped connecting rod and a shaft sleeve connected with the central part of the fan-shaped swinging body, and the shaft sleeve and the rotating disc are respectively assembled on the shaft body part and the head part of a swinging shaft.