CN214330944U

CN214330944U - Fan blade changeable heat radiator

Info

Publication number: CN214330944U
Application number: CN202023141936.6U
Authority: CN
Inventors: 熊海波
Original assignee: Huizhou Xunyuda Electronic Technology Co ltd
Current assignee: Huizhou Xunyuda Electronic Technology Co ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-10-01
Anticipated expiration: 2030-12-23

Abstract

The utility model provides a fan blade interchangeable formula heat abstractor, including frame, flabellum wheel and driving motor. The frame is provided with an accommodating cavity, and the driving motor is connected with the frame in the middle area of the accommodating cavity. The fan impeller is accommodated in the accommodating cavity. The fan impeller comprises a fan blade head, a plurality of fan blades and a plurality of connecting pieces. The driving motor is in driving connection with the fan blade head. The lateral wall of flabellum head has seted up a plurality of spread grooves, and each spread groove encircles flabellum head evenly distributed. The end of each fan blade is provided with a connecting sheet, and the connecting sheet is provided with a connecting hole. Each connecting piece is inserted into a connecting hole and a connecting groove and is respectively in threaded connection with a connecting piece and the fan blade head. The fan blade replaceable heat dissipation device realizes the function of independently replacing and disassembling the fan blades, and improves the convenience of maintenance and replacement work of the fan blades.

Description

Fan blade changeable heat radiator

Technical Field

The utility model relates to a heat abstractor's technical field especially relates to a fan blade interchangeable formula heat abstractor.

Background

The heat dissipation device is also called as a heat dissipation fan, the working principle of the heat dissipation fan is realized according to energy conversion, the circuit principle of the heat dissipation fan is generally divided into a plurality of forms, the adopted circuits are different, the performances of the fans are different, the technology and the performance of the heat dissipation fan completely reach a mature stage, and new technologies are continuously provided. The size of the fan is from 8mm to 280mm, the voltage is 5V, 12V, 24V, 48V, 110V, 220V and 380V, and the shape is square, round, olive-shaped and the like. The cooling fan is widely applied to traditional or modern instruments and equipment such as computers, communication products, photoelectric products, consumer electronics products, automotive electronics, exchangers, medical equipment, heaters, air conditioners, frequency converters, teller machines, automotive refrigerators, welding machines, induction cookers, acoustic equipment, environmental protection equipment, refrigeration equipment and the like.

However, with the current heat dissipation device, the fan blades of the fan wheel cannot be detached and replaced individually. When a single fan blade is damaged, only the entire fan wheel can be replaced, resulting in high maintenance costs.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide a heat dissipation device with replaceable fan blades to solve the technical problem that the fan blades cannot be detached and replaced individually.

A heat dissipation device with replaceable blades comprises: frame, fan wheel and driving motor. The frame is provided with an accommodating cavity, and the driving motor is connected with the frame in the middle area of the accommodating cavity. The fan impeller is contained in the containing cavity. The fan impeller comprises a fan blade head, a plurality of fan blades and a plurality of connecting pieces. The driving motor is in driving connection with the fan blade head. The side wall of the fan blade head is provided with a plurality of connecting grooves, and the connecting grooves surround the fan blade head and are evenly distributed. The end part of each fan blade is provided with a connecting sheet, and the connecting sheet is provided with a connecting hole. Each connecting piece is inserted into one connecting hole and one connecting groove, and each connecting piece is respectively in threaded connection with one connecting piece and the fan blade head.

In one embodiment, the side wall of the fan blade head is provided with a plurality of positioning grooves. Each connecting groove is positioned at the position of the fan blade head at the groove bottom of one positioning groove, and each connecting piece is inserted into one positioning groove.

In one embodiment, the detachable fan blade heat dissipation device further comprises a dust cover, the dust cover comprises a cover frame and a dust screen arranged in the cover frame, the dust screen covers the accommodating cavity, and the cover frame is connected with the frame.

In one embodiment, the dust cover is a square structure, and the frame is adapted to the dust cover.

In one embodiment, the cover frame is detachably connected with the frame.

In one embodiment, the bottom of the cover frame is provided with a plurality of inserting columns, the frame is provided with a plurality of inserting holes, and each inserting column is inserted into one inserting hole and connected with the frame.

In one embodiment, the insertion posts are uniformly distributed on the bottom edge of the cover frame.

In one embodiment, the bottom of the cover frame is provided with four insertion columns, and the four insertion columns are respectively located at four corners of the cover frame.

In one embodiment, the middle area of the dust screen is provided with a reinforcing part, and the reinforcing part is provided with a reinforcing shaft. The fan blade head is provided with a rotating groove, and the reinforcing shaft is inserted in the rotating groove and is rotationally connected with the fan blade head.

In one embodiment, an end of the reinforcing shaft is slidably abutted against the fan blade head in the rotating groove.

The fan blade replaceable heat dissipation device bears the driving motor through the frame, the driving motor is used for controlling the fan blade wheel to rotate, and the fan blade wheel rotates to form air flow, so that the heat dissipation effect is achieved. Specifically, the fan blade head is driven by the driving motor to rotate, and each fan blade rotates along with the fan blade head. The fan blade is connected with the fan blade head through a connecting piece in a threaded manner. When a user needs to replace one fan blade independently, the connecting piece is detached from the connecting hole and the connecting groove, so that the connecting piece can be separated from the fan blade head, and the fan blade head can be detached. The detachable fan blade heat dissipation device realizes the function of independent replacement and disassembly of the fan blades, and improves the convenience of maintenance and replacement of the fan blades.

Drawings

Fig. 1 is a schematic structural diagram of a heat dissipation device with replaceable blades in an embodiment;

FIG. 2 is a cross-sectional view of an embodiment of a heat dissipation device with replaceable blades;

FIG. 3 is a schematic structural diagram of a fan blade of the heat dissipating device with replaceable blades in an embodiment;

fig. 4 is another schematic structural view of an impeller of the heat dissipating device with replaceable blades in one embodiment;

fig. 5 is a schematic diagram illustrating a disassembled structure of a heat dissipation device with replaceable blades in another embodiment;

fig. 6 is a schematic sectional view illustrating a fan blade replaceable heat dissipating device in another embodiment of the disclosure.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", 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 simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1 to 6, the present invention provides a heat dissipation device 10 with replaceable blades, the heat dissipation device 10 with replaceable blades includes: frame 100, fan wheel 200, and drive motor 300. The frame 100 has a receiving cavity 110, and the driving motor 300 is connected to the frame 100 at a middle region of the receiving cavity 110. The fan wheel 200 is received in the receiving cavity 110. The impeller 200 includes a blade head 210, a plurality of blades 220, and a plurality of connectors 230. The driving motor 300 is drivingly connected to the fan blade head 210. The side wall of the fan blade head 210 is provided with a plurality of connecting grooves 211, and the connecting grooves 211 are uniformly distributed around the fan blade head 210. The end of each fan blade 220 is provided with a connecting piece 221, and the connecting piece 221 is provided with a connecting hole 222. Each connecting member 230 is inserted into a connecting hole 222 and a connecting slot 211, and each connecting member 230 is respectively screwed with a connecting piece 221 and the fan blade head 210.

In the fan blade replaceable heat dissipation device 10, the frame 100 carries the driving motor 300, the driving motor 300 controls the fan blade wheel 200 to rotate, and the fan blade wheel 200 rotates to form an air flow, thereby achieving a heat dissipation effect. Specifically, the fan blade head 210 is driven by the driving motor 300 to rotate, and each fan blade 220 rotates accordingly. The fan blade 220 is screwed with the fan blade head 210 by a connector 230. When a user needs to replace one of the fan blades 220, the connecting piece 221 can be separated from the fan blade head 210 by detaching the connecting piece 230 from the connecting hole 222 and the connecting groove 211, so that the fan blade 220 and the fan blade head 210 can be detached. The fan blade replaceable heat dissipation device 10 realizes the function of independently replacing and disassembling the fan blades 220, and improves the convenience of the maintenance and replacement work of the fan blades 220.

The frame 100 has a receiving and mounting function for the fan impeller 200 and the driving motor 300 through the receiving cavity 110, the driving motor 300 is used for driving the fan impeller 200 to rotate, and the fan impeller 200 is used for achieving a cooling and heat dissipation function. It should be noted that the frame 100 is provided with a plurality of through holes 112 to conduct the air flow, and the air flow passes through the frame 100 from each through hole 112 under the rotation action of the fan wheel 200. The fan blade head 210 is detachably connected with each fan blade 220. When a user needs to replace one of the fan blades 220, the connecting piece 221 can be separated from the fan blade head 210 by detaching the connecting piece 230 from the connecting hole 222 and the connecting groove 211, so that the fan blade 220 and the fan blade head 210 can be detached.

In order to improve the assembling efficiency, in one embodiment, the side wall of the fan blade head 210 is formed with a plurality of positioning slots 212. Each coupling groove 211 is formed at the bottom of a positioning groove 212 of the fan blade head 210, and each coupling piece 221 is inserted into a positioning groove 212. When the coupling piece 221 is inserted into the positioning groove 212, the coupling hole 222 is aligned with the coupling groove 211, thereby facilitating the user to insert the coupling piece 230 into the coupling hole 222 and the coupling groove 211. Thus, the convenience of assembly is improved.

In order to enhance the prevention effect, in one embodiment, the fan blade replaceable heat dissipation device further includes a dust cover 400, the dust cover 400 includes a cover frame 410 and a dust screen 420 disposed in the cover frame 410, the dust screen 420 covers the receiving cavity 110, and the cover frame 410 is connected to the frame 100. Thus, the dust cover 400 functions to filter dust. Thereby preventing excessive dust from adhering to the fan wheel 200 and effectively preventing dust from adhering to electronic devices below the dustproof heat dissipation fan through air flow. Therefore, the dustproof effect of the fan blade replaceable heat dissipation device is improved.

In one embodiment, the dust cover 400 has a square configuration, and the frame 100 is adapted to the dust cover 400. The dust cover 400 is used to achieve a dust-proof function. The cover frame 410 is used for accommodating a dust screen 420, and the dust screen 420 filters dust, thereby preventing excessive dust from adhering to the fan wheel 200. To facilitate cleaning of dust cap 400 by a user, in one embodiment, the housing frame 410 is removably coupled to the frame 100. Thus, the user can detach the dust cap 400, thereby facilitating the user to clean the dust cap 400. Specifically, in one embodiment, the bottom of the cover frame 410 is provided with a plurality of inserting posts 411, the frame 100 is provided with a plurality of inserting holes 111, and each inserting post 411 is inserted into one inserting hole 111 and connected with the frame 100. Further, in an embodiment, the bottom of the housing frame 410 is provided with four insertion posts 411, and the four insertion posts 411 are respectively located at four corners of the housing frame 410. The cover frame 410 is detachably connected to the frame 100 by inserting the insertion posts 411 into the insertion holes 111. When a user needs to detach the dust cover 400, the insertion posts 411 are pulled out from the insertion holes 111, and the cover frame 410 can be taken down, so that the dust cover 400 is detached. Thus, the detachable function of the dust cover 400 and the frame 100 is realized, and the convenience of cleaning the dust cover 400 by a user is improved. In order to enhance the connection stability between the cover frame 410 and the dust screen 420, in one embodiment, the cover frame 410 and the dust screen 420 are integrally formed. Thus, the cover frame 410 is firmly connected with the dust screen 420, and the dust screen 420 is not easily separated from the cover frame 410. Thus, the connection stability of the cover frame 410 and the dust screen 420 is improved, and the structural stability of the dust cover 400 is enhanced.

In order to improve the rotational stability of the fan wheel 200, in one embodiment, the middle region of the dust screen 420 is provided with a reinforcing portion 421, and the reinforcing portion 421 is provided with a reinforcing shaft 422. The blade head 210 has a rotation slot 213, and the reinforcing shaft 422 is inserted into the rotation slot 213 and rotatably connected to the blade head 210. Further, in one embodiment, the end of the reinforcing shaft 422 is slidably abutted with the fan blade head 210 in the rotation slot 213. In this way, the reinforcing shaft 422 supports the rotation of the fan blade 210, so that the rotation of the fan wheel 200 is more stable. Therefore, the rotation stability of the fan wheel 200 is improved, and the working stability of the fan blade replaceable heat dissipation device is further ensured.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A heat dissipation device with replaceable fan blades is characterized by comprising: a frame, a fan wheel and a drive motor;

the frame is provided with an accommodating cavity, and the driving motor is connected with the frame in the middle area of the accommodating cavity; the fan impeller is accommodated in the accommodating cavity;

the fan impeller comprises a fan blade head, a plurality of fan blades and a plurality of connecting pieces; the driving motor is in driving connection with the fan blade head; the side wall of the fan blade head is provided with a plurality of connecting grooves, and the connecting grooves are uniformly distributed around the fan blade head; the end part of each fan blade is provided with a connecting sheet, and the connecting sheet is provided with a connecting hole; each connecting piece is inserted into one connecting hole and one connecting groove, and each connecting piece is respectively in threaded connection with one connecting piece and the fan blade head.

2. The replaceable fan blade heat sink of claim 1, wherein the side wall of the fan blade head has a plurality of positioning slots; each connecting groove is positioned at the position of the fan blade head at the groove bottom of one positioning groove, and each connecting piece is inserted into one positioning groove.

3. The fan blade replaceable heat dissipating device of claim 1, further comprising a dust cover, wherein the dust cover comprises a cover frame and a dust screen disposed inside the cover frame, the dust screen covers the receiving cavity, and the cover frame is connected to the frame.

4. The replaceable fan blade heat sink of claim 3, wherein the dust cover has a square structure, and the frame is adapted to the dust cover.

5. The fan blade replaceable heat dissipating device of claim 4, wherein the cover frame is detachably connected to the frame.

6. The fan blade replaceable heat dissipating device of claim 5, wherein the bottom of the cover frame is provided with a plurality of inserting posts, the frame is provided with a plurality of inserting openings, and each inserting post is inserted into one of the inserting openings and connected with the frame.

7. The replaceable fan blade heat sink device as claimed in claim 6, wherein the studs are uniformly distributed on the bottom edge of the housing.

8. The fan blade replaceable heat dissipating device of claim 7, wherein the bottom of the cover frame is provided with four insertion posts, and the four insertion posts are respectively located at four corners of the cover frame.

9. The replaceable fan blade heat sink according to claim 3, wherein the dust screen has a reinforcement portion at a middle region thereof, and the reinforcement portion has a reinforcement shaft; the fan blade head is provided with a rotating groove, and the reinforcing shaft is inserted in the rotating groove and is rotationally connected with the fan blade head.

10. The replaceable fan blade heat sink of claim 9, wherein the end of the reinforcing shaft is slidably abutted against the fan blade head in the rotating slot.