Fan blade structure and fan thereof

Abstract

According to the technical scheme, a ball bearing used for supporting rotation is arranged between a fan blade and a motor, the ball bearing is fixed to a rotating shaft through a buckle meson, meanwhile, the connecting end of the rotating shaft is provided with an adjusting component used for preventing rotation blocking, and the adjusting component is fixed to the fan blade. The bottom of the connecting end is provided with the base which enables the rotating shaft to be more stable, so that the ball bearing can be arranged on the rotating shaft more safely, and the ball bearing has the advantage of being high in bearing capacity compared with an oil bearing and is suitable for the high-speed and high-load state, and therefore the service life of the fan blade structure can be prolonged; the utility model has the beneficial effect of longer service life.

Description

TECHNICAL FIELD

[0001] The utility model relates to portable fan technical field, especially a fan blade structure and fan thereof. BACKGROUND

[0002] In the fan technical field, bearing is a kind of component that is used to support rotation, reduce friction and wear in fan and motor, it is installed between fan blade and motor as part of fan blade structure, in prior art, bearing mainly uses oil-containing bearing, oil-containing bearing is a kind of sliding bearing, containing lubricating oil inside, specifically reduce friction by oil film, because oil-containing bearing has the advantages of low cost, simple structure, so it is used more in portable fan.

[0003] With the technical development of portable fan, the power of portable fan is continuously improved, and oil-containing bearing reduces lubricating effect under high-speed rotation, increases friction and heat, at the same time, the carrying capacity of oil-containing bearing is low, cannot withstand high load working condition, in addition, oil-containing bearing also needs regular maintenance and is sensitive to working environment, in conclusion, the fan blade structure of prior art cannot adapt to high-power portable fan, the fan blade structure of prior art has the technical defects of short service life. SUMMARY

[0004] The utility model discloses a fan blade structure and fan thereof, aiming at solving the technical defects of short service life of the fan blade structure of prior art.

[0005] To achieve the above object, the utility model provides a fan blade structure, including fan blade and motor, the first accommodating chamber for containing motor is limited in the inside of fan blade, the rotating shaft is installed in the first accommodating chamber of motor, the ball bearing for supporting rotation is arranged between rotating shaft and motor, the free end of rotating shaft is provided with the placement slot to its close motor direction, the buckle meson for maintaining stability is installed on the placement slot, at the same time, the adjusting component for floating support fan blade and ball bearing is installed to the connecting end of rotating shaft to its close the inside direction of fan blade, and the base for stabilizing rotating shaft is arranged in the connecting end bottom of rotating shaft.

[0006] Further, the base is matched with the fixed plate for stabilizing rotating shaft.

[0007] Further, the fixed plate is provided with at least two, and the fixed plate is arranged in the radial mode, and the interval between fixed plates is equal.

[0008] Further, the adjusting component is spring, the adjusting component is arranged around rotating shaft, the first end of adjusting component is from connecting end, and the other end is abutted to ball bearing.

[0009] Further, the fan blade structure comprises at least two ball bearings, and the ball bearing at the connecting end is matched with the adjusting part and the buckle intermediate member.

[0010] The utility model discloses still propose a fan, including preceding and following fan blade structure.

[0011] Further, the fan comprises a shell and a first fan blade air duct, the shell is internally defined with a hollow second accommodating chamber, and the first fan blade air duct is arranged in the second accommodating chamber, and the fan blade is arranged in the first fan blade air duct.

[0012] Further, the first fan blade air duct is defined with a third accommodating chamber for accommodating the fan blade, the third accommodating chamber is internally defined with a hollow stand column, the motor is abutted to the outer wall of the stand column, and the ball bearing extends into the stand column and is abutted to the inner wall of the stand column through the rotating shaft.

[0013] Further, the fan further comprises a second fan blade air duct, and the second fan blade air duct is arranged on the first fan blade air duct.

[0014] Further, the side surface of the shell is provided with at least one hook for hanging.

[0015] The utility model discloses a ball bearing for supporting rotation is arranged between the fan blade and the motor, the ball bearing is rotatably fixed on the rotating shaft through the adjusting part and the buckle intermediate member, and the bottom of the connecting end is provided with a base for enhancing the stability effect of the rotating shaft, so that the ball bearing can be more safely arranged on the rotating shaft, the ball bearing has the characteristics of strong carrying capacity compared with the oil bearing, is suitable for high speed and high load state, and the service life of the fan blade structure can be improved, and the utility model has the beneficial effect of long service life. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a stereoscopic structure exploded view of prior art;

[0017] Figure 2 It is a stereoscopic structure exploded view of fan blade structure;

[0018] Figure 3 It is a side view of fan blade;

[0019] Figure 4 It is a front view of fan blade;

[0020] Figure 5 It is a stereoscopic structure schematic view of fan;

[0021] Figure 6 It is a stereoscopic structure exploded view of fan;

[0022] Figure 7 It is a stereoscopic structure schematic view of first fan blade air duct.

[0023] Wherein, the above-mentioned drawings include the following reference signs:

[0024] 10, oil-filled copper sleeve; 1, fan blade structure; 11, fan blade; 111, first accommodating chamber; 112, rotating shaft; 1121, free end; 1122, connecting end; 1123, placing groove; 113, base; 114, fixed plate; 12, motor; 13, ball bearing; 14, buckle intermediate; 15, adjusting part; 2, fan; 21, casing; 211, second accommodating chamber; 212, hook; 22, first fan blade air duct; 221, third accommodating chamber; 222, stand; 23, second fan blade air duct. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0026] It should be noted that if the embodiments of the present application involve directional indications (such as up, down, left, right, front, back, top, bottom, inside, outside, vertical, horizontal, longitudinal, counterclockwise, clockwise, circumferential, radial, axial, etc.), the directional indications are only used to explain the relative positional relationship, movement condition, etc. between the components in a certain posture (as shown in the drawings), and if the certain posture changes, the directional indications also change accordingly.

[0027] In addition, if the embodiments of the present application involve descriptions of "first" or "second", etc., the descriptions of "first" or "second", etc. are only for description purposes, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features with "first" and "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the fact that a person skilled in the art can realize it, and when the combination of technical solutions contradicts each other or cannot be realized, it should be considered that the combination of technical solutions does not exist, and is not within the scope of protection required by the present application.

[0028] The present application provides a fan blade structure 1, and the prior art is as follows Figure 1As shown, the fan blade 11 and the motor 12 are connected through the oil-filled copper bush 10, the oil-filled copper bush 10 has good heat dissipation, low cost and simple structure, however, with the increasing power of the fan blade structure today, the oil-filled bearing similar to the oil-filled copper bush 10 cannot adapt to the high-power fan blade structure, and therefore the fan blade structure needs to be improved.

[0029] In the embodiment of the utility model, as shown, Figures 2 to 7 As shown, the fan blade structure 1 comprises a fan blade 11 and a motor 12, the fan blade 11 is internally defined with a first accommodating chamber 111 for accommodating the motor 12, the motor 12 is installed on a rotating shaft 112 in the first accommodating chamber 111, a ball bearing 13 for supporting rotation is arranged between the rotating shaft 112 and the motor 12, a placing groove 1123 is arranged on the free end 1121 of the rotating shaft 112 towards the direction close to the motor 12, a buckle intermediate piece 14 for maintaining stability is installed on the placing groove 1123, at the same time, an adjusting component 15 for floatingly supporting the fan blade 11 and the ball bearing 13 is installed on the connecting end 1122 of the rotating shaft 112 towards the direction close to the inside of the fan blade 11, and the connecting end 1122 of the rotating shaft 112 is provided with a base 113 for stabilizing the rotating shaft 112, the ball bearing 13 has the technical feature of strong carrying capacity and can adapt to the high-load working environment, thereby prolonging the service life of the fan blade structure 1.

[0030] In the embodiment of the utility model, in order to more stably support the rotating shaft 112 and enhance the service life of the fan blade structure 1, the base 113 is cooperatively provided with a fixing plate 114 for stabilizing the rotating shaft 112.

[0031] Specifically, in order to further realize the maintaining stability effect, the fixing plate 114 is provided with at least two, the fixing plate 114 is arranged in a radial manner, and the spacing between the fixing plates 114 is equal.

[0032] In the embodiment of the utility model, the adjusting component 15 preferably uses a spring, the adjusting component 15 is arranged around the rotating shaft 112, one end of the adjusting component 15 is located at the connecting end 1122, and the other end abuts against the ball bearing 13, in the operation process, the adjusting component 15 is floatingly supported between the fan blade 11 and the ball bearing 13 through the elastic restoring force of the spring, cooperates with the buckle intermediate piece 14, realizes the rotatable fixed installation of the ball bearing 13, in some other embodiments, the spring can be replaced by parts with elastic restoring force such as rubber, sponge and elastic fiber, which is part of the prior art and will not be described in detail.

[0033] In the embodiment of the utility model, the ball bearing 13 is provided with at least two, and the ball bearing 13 located at the connecting end 1122 and the ball bearing 13 located at the free end 1121 are cooperatively arranged with the adjusting component 15 and the buckle intermediate piece 14 respectively. In the embodiment of the utility model, the ball bearing 13 is provided with at least two, and the ball bearing 13 located at the connecting end 1122 and the ball bearing 13 located at the free end 1121 are cooperatively arranged with the adjusting component 15 and the buckle intermediate piece 14 respectively.

[0034] The utility model also proposes a fan 2, as shown in the picture, the fan 2 includes preceding and following fan blade structure 1, the fan blade structure 1 of fan 2 refers to the above-mentioned embodiment. Since the fan 2 adopts all the technical solutions of all the embodiments of the above fan blade structure 1, it at least has all the beneficial effects brought by the technical solutions of the above-mentioned embodiments, which will not be repeated here. Figures 5 to 7 Figures 5 to 7

[0035] In the embodiment of the utility model, fan 2 includes casing 21 and first fan blade air duct 22, the inside of casing 21 is limited to the hollow second accommodating chamber 211, and first fan blade air duct 22 is arranged in second accommodating chamber 211, and fan blade 11 is arranged in first fan blade air duct 22.

[0036] Specifically, the third accommodating chamber 221 that contains fan blade 11 is limited in first fan blade air duct 22, and hollow stand 222 is arranged in third accommodating chamber 221, motor 12 is arranged on the outer wall of stand 222, and ball bearing 13 extends into stand 222 and is abutted on the inner wall of stand 222 through rotating shaft 112.

[0037] In the embodiment of the utility model, fan 2 also includes second fan blade air duct 23, and second fan blade air duct 23 is covered on first fan blade air duct 22, and by increasing fan blade air duct, the blowing effect can be strengthened.

[0038] In the embodiment of the utility model, the side of casing 21 is provided with at least one hook 212 for hanging waist, to facilitate daily use.

[0039] The above-mentioned is only the preferred embodiment of the utility model, and does not limit the patent range of the utility model, and the equivalent structure transformation of the contents of the utility model specification and drawings under the utility model concept of the utility model, or direct / indirect application in other related technical fields are included in the patent protection range of the utility model.​

Claims

1. A fan blade structure comprising a fan blade and a motor, the fan blade defining a first accommodation chamber inside for accommodating the motor, the motor being mounted on a rotating shaft inside the first accommodation chamber, characterized in that: The rotating shaft and the motor are provided with a ball bearing for supporting rotation, the free end of the rotating shaft towards the motor is provided with a placing groove, the placing groove is provided with a buckle intermediate for stability, the connecting end of the rotating shaft towards the inside of the fan blade is provided with an adjusting component for floating support of the fan blade and the ball bearing, and the bottom of the connecting end of the rotating shaft is provided with a base for stability of the rotating shaft.

2. The fan leaf structure of claim 1, wherein: The base is provided with a fixing plate for stability of the rotating shaft.

3. The fan leaf structure of claim 2, wherein: The fixing plate is provided with at least two, the fixing plates are provided in a radial manner, and the spacing between the fixing plates is equal.

4. The fan leaf structure of claim 1, wherein: The adjusting component is a spring, the adjusting component is provided around the rotating shaft, the first end of the adjusting component is located at the connecting end, and the other end abuts against the ball bearing.

5. The fan leaf structure of claim 1, wherein: The ball bearing is provided with at least two, and the ball bearing at the connecting end and the ball bearing at the free end are respectively provided with the adjusting component and the buckle intermediate.

6. A fan comprising a fan blade structure, characterised in that: The fan blade structure is the fan blade structure of any one of claims 1 to 5.

7. The fan of claim 6, wherein: The fan includes a housing and a first fan blade air duct, the housing defines a hollow second accommodating chamber inside, the first fan blade air duct is arranged in the second accommodating chamber, and the fan blade is arranged in the first fan blade air duct.

8. The fan of claim 7, wherein: The first fan blade air duct defines a third accommodating chamber for accommodating the fan blade, the third accommodating chamber is provided with an internal hollow stand, the motor abuts against the outer wall of the stand, and the ball bearing extends into the stand and abuts against the inner wall of the stand through the rotating shaft.

9. The fan of claim 8, wherein: The fan further includes a second fan blade air duct, and the second fan blade air duct covers the first fan blade air duct.

10. The fan of claim 7, wherein: At least one hook for hanging is arranged on the side of the housing.

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