Mounting assembly for cross-flow fan blade

Abstract

The utility model belongs to the technical field of fan equipment, and particularly relates to a mounting assembly for cross-flow fan blades, which comprises a first limiting connecting piece and a second limiting connecting piece, and the first limiting connecting piece and the second limiting connecting piece both comprise annular pieces and connecting transverse pieces symmetrically connected to two sides of the annular pieces; the upper end of the first limiting connecting piece is connected with the upper end of the second limiting connecting piece, the two annular pieces are coaxially arranged, and a horizontal included angle is formed between the connecting transverse pieces on the upper side and the lower side. The problems that a cross-flow fan shakes to a certain degree, transfer is not stable enough, large noise is generated, and adverse effects are generated on the surrounding environment due to the fact that a shaft base cannot support a rotating shaft enough are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of fan equipment, and particularly relates to an installation component for a cross-flow fan blade. Background Art

[0002] As a key component of a fan, the rationality of the structure of the cross-flow fan blade directly affects the overall performance of the fan. During operation, the impeller rotates to drive the gas flow, thereby realizing the discharge of the gas.

[0003] Chinese Patent No. CN201220244065.7 discloses a fan impeller, which includes a rear cover plate, a front cover plate and blades. At least ten blades are annularly arranged between the rear cover plate and the front cover plate, and the blades are vertically arranged between the rear cover plate and the front cover plate; the blades are arc-shaped; the extension line connecting the outer center and the inner center of the blade passes through the centers of the rear cover plate and the front cover plate; the front cover plate is a circular ring cover plate; the width of the circular ring is greater than the length of the blade; the outer ring radius of the front cover plate is the same as the radius of the rear cover plate; the blades are made of aluminum material; the number of the blades is fifteen; the fan impeller of the utility model has a single discharge air flow direction when rotating, and under the condition of consuming the same amount of electric energy under the same conditions, the discharged gas volume is large; at the same time, the fan impeller of the utility model is light in weight, which is convenient for the disassembly and assembly of the impeller. However, in the current technology, for the cross-flow fan blade in the fan housing, due to the large axial length of the fan blade, during use, the shaft seat does not support the rotating shaft enough, resulting in a certain shaking of the cross-flow fan blade, unstable transportation, generating relatively large noise, and having an adverse impact on the surrounding environment. Summary of the Utility Model

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

[0005] An installation component for a cross-flow fan blade includes a first limiting connecting member and a second limiting connecting member. Both the first limiting connecting member and the second limiting connecting member include an annular member and connecting cross members symmetrically connected to both sides of the annular member;

[0006] The upper ends of the first limiting connecting member and the second limiting connecting member are connected. Among them, the two annular members are coaxially arranged, and there is a horizontal included angle between the connecting cross members on the upper side and the lower side.

[0007] Furthermore, the installation component further includes a plurality of support members, and both ends of the support members are respectively connected to the fan blade and the connecting cross member. The support members play a role in strengthening the support for the first limiting connecting member and the second limiting connecting member, and increase stability.

[0008] Furthermore, the connecting cross member includes a first connecting arm connected to the annular member and a second connecting arm connected to the fan blade.

[0009] Further, a first through hole is provided in the connecting cross member, and the first through hole is located at the connection between the first connecting arm and the second connecting arm.

[0010] Further, the support member is a screw. The support member passes through the first through hole and is connected to the screw with a nut, which is convenient for disassembly and assembly.

[0011] Further, a plurality of second through holes are evenly provided in the circumferential direction of the annular member. By using the cooperation of bolts and the second through holes, the first limiting connecting member and the second limiting connecting member are connected. When maintenance is required, the bolt connection method is convenient for disassembly and assembly.

[0012] Further, the horizontal angle between the upper and lower connecting cross members is 90 degrees. The connecting cross members of the upper and lower layers are perpendicular to each other, making the support of the two connecting cross members for the shaft more stable.

[0013] Compared with the prior art, the present utility model has the following beneficial effects:

[0014] By adding the first limiting connecting member and the second limiting connecting member to the cross-flow impeller, a stacked annular member is formed to limit the rotation shaft sleeved on its inner circumference, playing a role in assisting the cooperation with the shaft seat, preventing the cross-flow impeller from shaking due to insufficient limiting support of the shaft seat for the rotation shaft during high-speed operation, effectively reducing the occurrence of noise, and making the cross-flow impeller operate more smoothly. Among them, the addition of the support member makes the first limiting connecting member and the second limiting connecting member more stable. Description of the Drawings

[0015] Figure 1 It is a three-dimensional structural diagram (view angle one) of an embodiment of an installation assembly for a cross-flow impeller of the present utility model;

[0016] Figure 2 It is a three-dimensional structural diagram (view angle two) of an embodiment of an installation assembly for a cross-flow impeller of the present utility model;

[0017] Figure 3 It is a structural diagram of the first limiting connecting member and the second limiting connecting member in an embodiment of an installation assembly for a cross-flow impeller of the present utility model;

[0018] Figure 4 It is a structural diagram of an embodiment of an installation assembly for a cross-flow impeller of the present utility model after adding a blower;

[0019] The reference numerals in the drawings of the specification include:

[0020] The first limiting connecting member 1, the second limiting connecting member 2, the annular member 10, the second through hole 100, the connecting cross member 20, the first connecting arm 200, the second connecting arm 201, the first through hole 203, the support member 3, the blower housing 4, the cross-flow impeller 5, the shaft seat 50, the rotation shaft 51, the cover plate 52, the driving mechanism 6. Detailed implementation manners

[0021] In order to enable those skilled in the art to better understand the present utility model, the technical solution of the present utility model will be further described below in conjunction with the accompanying drawings and embodiments.

[0022] Among them, the accompanying drawings are only for illustrative purposes, showing only schematic diagrams, rather than physical diagrams, and should not be construed as a limitation to this patent; in order to better illustrate the embodiments of the present utility model, some components in the accompanying drawings will be omitted, enlarged or reduced, which does not represent the size of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the accompanying drawings may be omitted. The same or similar reference numerals in the accompanying drawings of the embodiments of the present utility model correspond to the same or similar components; in the description of the present utility model, it should be understood that if terms such as "upper", "lower", "left", "right", "inner", "outer", etc. are used to indicate the orientation or positional relationship, it is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms describing the positional relationship in the accompanying drawings are only for illustrative purposes and should not be construed as a limitation to this patent. For those of ordinary skill in the art, the specific meanings of the above terms can be understood according to specific circumstances.

[0023] Embodiment:

[0024] As Figures 1 - 4 shown, an installation assembly for a cross-flow air impeller 5 of the present utility model includes a first limiting connecting member 1 and a second limiting connecting member 2. Both the first limiting connecting member 1 and the second limiting connecting member 2 include an annular member 10 and connecting cross members 20 symmetrically connected to both sides of the annular member 10. The upper ends of the first limiting connecting member 1 and the second limiting connecting member 2 are connected. Among them, the two annular members 10 are coaxially arranged. The first limiting connecting member 1 and the second limiting connecting member 2 are added to the cross-flow air impeller 5, and the stacked annular members 10 are formed to limit the rotating shaft 51 sleeved on its inner circumference, playing a role in assisting the cooperation with the shaft seat 50, preventing the shaft seat 50 from insufficiently limiting and supporting the rotating shaft 51 during the high-speed operation of the cross-flow air impeller 5, resulting in shaking, effectively reducing the occurrence of noise, and making the cross-flow air impeller 5 operate more smoothly. There is a horizontal angle between the connecting cross members 20 on the upper side and the lower side, and the horizontal angle between the connecting cross members 20 on the upper side and the lower side is 90 degrees. The connecting cross members 20 of the upper and lower layers are perpendicular to each other, making the support of the two connecting cross members 20 for the rotating shaft stronger.

[0025] Both end portions of the support member 3 are respectively connected to the wind blade and the connecting cross member 20. The support member 3 plays a role in strengthening the support for the first limiting connecting member 1 and the second limiting connecting member 2, increasing stability. The connecting cross member 20 includes a first connecting arm 200 connected to the annular member 10 and a second connecting arm 201 connected to the wind blade. A first through hole 203 is formed in the connecting cross member 20. The first through hole 203 is located at the connection between the first connecting arm 200 and the second connecting arm 201. The bottom of the support member 3 can be connected to the inner side of the cross-flow wind blade 5 by welding or screw connection, or can also adopt a screw connection form. The screw passes through the first through hole 203 and is connected to the screw with a nut, which is convenient for disassembly and assembly.

[0026] A plurality of second through holes 100 are evenly formed in the circumferential direction of the annular member 10. The first limiting connecting member 1 and the second limiting connecting member 2 are connected by using the cooperation of bolts and the second through holes 100. When maintenance is required, the bolt connection method is convenient for disassembly and assembly.

[0027] As Figure 3 , Figure 4 shown, during installation and use, the end of the second connecting arm 201 is connected to the cover plate 52 on the cross-flow wind blade 5 by a screw or welding connection form, so that the annular members 10 between the first limiting connecting member 1 and the second limiting connecting member 2 are stacked. The rotating shaft 51 is sequentially inserted through the annular member 10 and the shaft seat 50 and passes out from the other side of the cross-flow wind blade 5. The assembled cross-flow wind blade 5 is placed in the fan housing 4, and both ends of the rotating shaft 51 are matched with the fan housing 4 and connected to the driving mechanism 6. It is also possible to arrange the first limiting connecting member 1 and the second limiting connecting member 2 on both sides of the cross-flow wind blade 5 to further enhance the running stability of the cross-flow wind blade 5.

[0028] The above are only the embodiments of the present invention. Specific structures and characteristics and other common knowledge in the solution are not described in detail here. Those of ordinary skill in the art know all the common technical knowledge in the technical field to which the utility model belongs before the application date or the priority date, can know all the existing technologies in this field, and have the ability to apply the conventional experimental means before this date. Those of ordinary skill in the art can, under the inspiration given in this application, combine their own abilities to improve and implement this solution. Some typical well-known structures or well-known methods should not become an obstacle for those of ordinary skill in the art to implement this application. It should be noted that for those skilled in the art, without departing from the structure of the present invention, several deformations and improvements can be made, and these should also be regarded as the protection scope of the present invention, and these will not affect the implementation effect of the present invention and the practicality of the patent.

Claims

1. An installation component for a cross-flow air blade, characterized in that, The installation component includes: a first limiting connecting member and a second limiting connecting member, both the first limiting connecting member and the second limiting connecting member include an annular member and connecting cross members symmetrically connected to both sides of the annular member; the upper ends of the first limiting connecting member and the second limiting connecting member are connected, wherein the two annular members are coaxially arranged, and there is a horizontal angle between the connecting cross members on the upper side and the lower side.

2. The mounting assembly for a cross-flow impeller according to claim 1, characterized in that: The installation component further includes a plurality of support members, and both ends of the support members are respectively connected to the wind blade and the connecting cross member.

3. The mounting assembly for a cross-flow air blade according to claim 1 or 2, characterized in that: The connecting cross member includes a first connecting arm connected to the annular member and a second connecting arm connected to the wind blade.

4. The mounting assembly for a cross-flow impeller according to claim 3, characterized in that: A first through hole is formed in the connecting cross member, and the first through hole is located at the connection between the first connecting arm and the second connecting arm.

5. The mounting assembly for a cross-flow air impeller according to claim 2, characterized in that: The support member is a screw.

6. The mounting assembly for a cross-flow impeller according to claim 1, characterized in that: A plurality of second through holes are evenly formed in the circumferential direction of the annular member, and the first limiting connecting member and the second limiting connecting member are connected by matching bolts with the second through holes.

7. The mounting assembly for a cross-flow impeller according to claim 1, characterized in that, The horizontal angle between the connecting cross members on the upper side and the lower side is 90 degrees.

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