Novel cross-flow fan

Abstract

The novel cross-flow fan comprises a machine shell and a driving device, a mounting cavity is formed in the machine shell, at least two or more impellers are arranged in the mounting cavity, a connecting plate is arranged between every two adjacent impellers, a transmission assembly is movably arranged on each connecting plate, the two ends of each transmission assembly are connected with the corresponding impellers correspondingly, and the two ends of each transmission assembly are connected with the corresponding impellers correspondingly. And the driving device is connected with any impeller so as to realize rotation of all the impellers. The connecting plates are arranged between the adjacent impellers, the transmission assemblies used for being connected with the impellers are arranged on the connecting plates, so that all the impellers can be driven to rotate only through a single driving device, the wiring amount can be reduced through the design, and the phenomenon that wiring is wound and crossed can be prevented; the single motor can effectively prevent the temperature in the fan from rising to affect the service life, and the maintenance cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a novel cross-flow fan. BACKGROUND

[0002] The conventional fan is generally driven by a single motor to rotate a single impeller, when multiple impellers are added to enhance the air supply effect, each impeller needs to be assembled with a corresponding motor, and thus multiple motors need to be matched, which may cause the following problems in the process of assembly and use: firstly, the wiring amount increases, and the wiring may be easily crossed and entangled; secondly, the motor generates heat during operation, and the simultaneous operation of multiple motors may increase the temperature in the fan, affecting the service life; and finally, the motor is a precise structural component, and has a complex structure and high maintenance cost. SUMMARY

[0003] The utility model aims at solving one of the technical problems in the prior art.

[0004] In order to solve the above technical problems, the utility model adopts the following technical scheme:

[0005] A novel cross-flow fan comprises a casing and a driving device, the casing is provided with an installation cavity, at least two impellers are arranged in the installation cavity, a connecting plate is arranged between adjacent impellers, a transmission assembly is movably arranged on the connecting plate, both ends of the transmission assembly are connected to corresponding impellers, and the driving device is connected to any impeller to realize the rotation of all impellers.

[0006] Preferably, the transmission assembly comprises a transmission rod and a damping sleeve fixed on both sides of the connecting plate, and both ends of the transmission rod pass through the damping sleeves to connect the impellers after penetrating the connecting plate.

[0007] Preferably, the damping sleeve is provided with a ball bearing movably matched with the transmission rod.

[0008] Preferably, the impeller comprises a blade body and a base connected to both ends of the blade body, and both ends of the transmission rod are connected to the base.

[0009] Preferably, the base is provided with a plug-in hole, the plug-in hole is matched with a locking piece, and the end of the transmission rod is locked by the locking piece after being plugged into the plug-in hole.

[0010] Preferably, the locking piece is a screw.

[0011] Preferably, the base is provided with a mounting seat, the plug-in hole is arranged on the mounting seat, and the end of the transmission rod is plugged into the mounting seat.

[0012] Preferably, a clamping groove is formed on the transmission rod, and one end of the screw is connected to the clamping groove through the mounting base.

[0013] Preferably, a protective cover is arranged on the shell.

[0014] Preferably, the driving device is a capacitor motor.

[0015] The beneficial effects of the present application are:

[0016] The present application is provided with a connecting plate between adjacent impellers, and a transmission assembly for connecting the impellers is formed on the connecting plate, so that only a single driving device is needed to drive all the impellers to rotate. BRIEF DESCRIPTION OF DRAWINGS

[0017] The above and / or additional aspects and advantages of the present application will become apparent and more readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

[0018] Figure 1 Structure diagram of a novel cross-flow fan of the present application Figure 1 ;

[0019] Figure 2 Structure diagram of a novel cross-flow fan of the present application Figure 2 ;

[0020] Figure 3 Structure diagram of a novel cross-flow fan of the present application Figure 3 ;

[0021] Figure 4 Structure diagram of an impeller and a transmission assembly of the present application. DETAILED DESCRIPTION

[0022] The embodiments of the present application will be described in detail below, and the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout.

[0023] The orientation shown in the drawings should not be understood as limiting the specific protection scope of the present application, but only for the reference understanding of the preferred embodiments, and the position of the product components shown in the drawings can be changed or the number can be increased or the structure can be simplified.

[0024] The "connection" described in the specification and the components shown in the drawings are connected to each other, which can be understood as fixedly connected or detachably connected or integrally connected; it can be directly connected or connected through an intermediate medium, and those skilled in the art can understand the connection relationship according to the specific situation and can derive screw connection or riveting or welding or clamping or embedding and other ways to replace different embodiments in a suitable way.

[0025] The orientation words such as up, down, left, right, top, bottom and the like described in the specification and shown in the drawings can be directly contacted or contacted through other features between them; for example, above can be directly above and obliquely above, or it only means higher than others; other orientations can be similarly understood.

[0026] The manufacturing materials of the components with solid shapes represented in the specification and drawings can adopt metal materials or non-metal materials or other synthetic materials; the machining processes adopted by the components with solid shapes can be stamping, forging, casting, wire cutting, laser cutting, injection molding, numerical milling, three-dimensional printing, machining and the like; those skilled in the art can adaptively select or combine selection according to different processing conditions, cost and precision, but not limited to the above materials and manufacturing processes.

[0027] A new type of cross-flow fan, referring to Figures 1-4 , comprising a machine shell 1 and a driving device 2, the machine shell 1 is provided with a mounting cavity, the mounting cavity is provided with at least two impellers 3, the connecting plates 4 are arranged between the adjacent impellers 3, the transmission assemblies 5 are movably arranged on the connecting plates 4, the two ends of the transmission assemblies 5 are connected with the corresponding impellers 3 respectively, and the driving device 2 is connected with any impeller 3 to realize the rotation of all impellers 3.

[0028] Further, the transmission assembly 5 comprises a transmission rod 51 and a damping sleeve 52 fixed on both sides of the connecting plate 4 respectively, and the transmission rod 51 passes through the connecting plate 4 and connects the impellers 3 through the damping sleeves 52 at both ends.

[0029] Further, the damping sleeve 52 is provided with a ball bearing movably matched with the transmission rod 51.

[0030] Further, the impeller 3 comprises a blade body 31 and a base 32 connected to both ends of the blade body 31 respectively, and the two ends of the transmission rod 51 are connected to the bases 32 respectively.

[0031] Further, the base 32 is provided with an insertion hole 321, the insertion hole 321 is matched with a locking piece 322, and one end of the transmission rod 51 is inserted into the insertion hole 321 and locked by the locking piece 322.

[0032] Further, the locking piece 322 is a screw.

[0033] Further, the base 32 is provided with a mounting seat 6, and the insertion hole 321 is formed in the mounting seat 6, and one end of the transmission rod 51 is inserted into the mounting seat 6.

[0034] Further, the transmission rod 51 is provided with a clamping groove 511, and one end of the screw is connected to the clamping groove 511 through the mounting seat 6.

[0035] Further, the shell 1 is provided with a protective cover 7.

[0036] Further, the driving device 2 is a capacitor motor.

[0037] The working principle of the utility model is:

[0038] As an embodiment 1, the present application takes four impellers 3 arranged in the mounting cavity of the shell 1 as an example to illustrate the design concept of the present application, the driving device 2 is connected to the end of the shell 1, the connecting plate 4 is arranged between the adjacent impellers 3, the transmission assembly 5 is arranged on the connecting plate 4, and the two ends of the transmission assembly 5 are connected to the impeller 3 respectively, taking the impeller 3 connected to the driving device 2 at one end of the shell 1 as an example, then the impeller 3 at the other end of the shell 1 is rotatably connected to the side wall of the shell 1, when the driving device 2 drives the impeller 3 at one end of the shell 1 to rotate, since the transmission assembly 5 is arranged between the impeller 3 and the impeller 3, the driving device 2 can drive all the impellers 3 to rotate, and the driving device 2 can be selected as a capacitor motor.

[0039] Taking the transmission rod 51 and the damping sleeve 52 as an example, the damping sleeve 52 is arranged on the two sides of the connecting plate 4, the ball bearing is arranged in the damping sleeve 52, the transmission rod 51 is arranged through the connecting plate 4, the two ends of the transmission rod 51 are connected to the corresponding impeller 3 through the damping sleeve 52, when one of the impellers 3 rotates, the impeller 3 transmits force to one end of the transmission rod 51, the transmission rod 51 is rotatably connected to the connecting plate 4 through the ball bearing, and the other impeller 3 is driven to rotate through the other end of the transmission rod 51, so that the linkage between the impellers 3 is realized.

[0040] On the basis of the above technical scheme, the impeller 3 takes the blade body 31 and the base 32 arranged at both ends of the blade body 31 as an example, regarding the connection and cooperation of the transmission rod 51 and the base 32, the mounting seat 6 can be formed on the base 32, the plug-in hole 321 is formed on the mounting seat 6, one end of the transmission rod 51 is plugged into the plug-in hole 321 of the mounting seat 6, then the transmission rod 51 is locked with the mounting seat 6 through the locking piece 322, thereby completing the assembly between the transmission rod 51 and the mounting seat 6. In the technical scheme, the clamping groove 511 is formed on the transmission rod 51, one end of the locking piece 322 is connected to the clamping groove 511 through the mounting seat 6, thereby the design can quickly realize the connection and fixation of the locking piece 322, and the locking piece 322 can be realized by a screw.

[0041] On the basis of the above technical scheme, the shell 1 is further provided with the protective cover 7, the design of the protective cover 7 can surround the impeller 3, and the safety hidden danger is reduced.

[0042] The application designs a new type of cross-flow fan, the connecting plate 4 is arranged between the adjacent impellers 3, the transmission assembly 5 for connecting the impeller 3 is formed on the connecting plate 4, then only a single driving device 2 can drive all the impellers 3 to rotate, thereby the design can reduce the wiring amount, prevent the phenomenon of wiring entanglement and crossing, in addition, the single motor working can effectively avoid the temperature rise in the fan affecting the service life and reducing the maintenance cost.

[0043] Although the utility model is described in detail with reference to the above examples, it is obvious to those skilled in the art through the disclosure that various changes or modifications can be made to the utility model without departing from the principles and spirit of the utility model defined by the claims. Therefore, the detailed description of the embodiments of the disclosure is only used for explanation, not for limiting the utility model, and the protection range is defined by the content of the claims.

Claims

1. A new type of cross-flow fan, characterized by, The application relates to a driving device and a transmission assembly thereof.

2. A new type of cross-flow fan according to claim 1, characterized in that, The transmission assembly (5) comprises a transmission rod (51) and damping sleeves (52) fixed on the two sides of the connecting plate (4) respectively, the transmission rod (51) passes through the connecting plate (4) and is connected with the impeller (3) through the damping sleeves (52) at the two ends.

3. A new type of cross-flow fan according to claim 2, characterized in that, The damping sleeve (52) is provided with a ball bearing in movable cooperation with the transmission rod (51).

4. A new type of cross-flow fan according to claim 2, characterized in that, The impeller (3) comprises a blade body (31) and a base (32) connected to the two ends of the blade body (31) respectively, and the two ends of the transmission rod (51) are connected to the base (32) respectively.

5. A new type of cross-flow fan according to claim 4, characterized in that, The base (32) is provided with an insertion hole (321), the insertion hole (321) is matched with a locking piece (322), and the one end of the transmission rod (51) is inserted into the insertion hole (321) and locked through the locking piece (322).

6. A new type of cross-flow fan according to claim 5, characterized in that, The locking piece (322) is a screw.

7. A new type of cross-flow fan according to claim 6, characterized in that, The base (32) is provided with a mounting seat (6), the insertion hole (321) is arranged on the mounting seat (6), and the one end of the transmission rod (51) is inserted into the mounting seat (6).

8. A new type of cross-flow fan according to claim 7, characterized in that, The transmission rod (51) is provided with a clamping groove (511), and the one end of the screw is connected to the clamping groove (511) through the mounting seat (6).

9. A new type of cross-flow fan according to claim 1, characterized in that, The machine shell (1) is provided with a protective cover (7).

10. A new type of cross-flow fan according to claim 1, characterized in that, The driving device (2) is a capacitor motor.

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