Embedded fan blade mounting structure

Abstract

The utility model relates to the technical field of fan fixing structures, in particular to an embedded fan blade installation structure which comprises a middle ring and a fixing assembly, the fixing assembly is installed in the middle ring and used for fixing fan blades, and the fixing assembly comprises a blade supporting part and a blade limiting part. The blade supporting part is installed inside the middle ring and installed through fan blades, and the blade limiting part is detachably connected with the blade supporting part and used for fixing the fan blades installed on the blade supporting part. The problem that an existing fan blade mounting structure is inconvenient to disassemble is effectively solved. Through the arrangement of the blade supporting part and the blade limiting part in the fixing assembly, on one hand, the fan blades can be better fixed, and on the other hand, the fan blades can be better disassembled and assembled; and the fan blades mounted on the blade supporting part can be very firmly fixed by utilizing the limiting buckles, the limiting holes, the limiting columns and the positioning holes.

Description

TECHNICAL FIELD

[0001] The utility model relates to a fan fixing structure technical field, concretely relates to a embedded fan blade mounting structure. BACKGROUND

[0002] Fans are well known in the art, their design, components and materials vary according to the application, as regards domestic or industrial use, a typical application of fans is ventilation and cooling, for example, radiator cooling in construction machinery, ventilation in road tunnels, mining, subways, etc.

[0003] The existing fan needs more screws to fix during installation, and the fan blade is limited and fixed by multiple screws inserted into the middle ring part, but this fixing method needs to be disassembled by all screws before installation, which is not convenient for workers to quickly replace the fan blade UTILITY MODEL CONTENTS

[0004] In view of the above situation, in order to overcome the defects of the prior art, the purpose of the utility model is to provide an embedded fan blade mounting structure, which effectively solves the problem of inconvenient disassembly of the existing fan blade mounting structure.

[0005] The technical scheme solved by the utility model is an embedded fan blade mounting structure, which comprises a middle ring and a fixing assembly, the fixing assembly is installed inside the middle ring for fixing the fan blade, the fixing assembly comprises a blade support part and a blade limiting part, the blade support part is installed inside the middle ring for mounting the fan blade, and the blade limiting part is detachably connected with the blade support part for fixing the fan blade mounted on the blade support part.

[0006] The blade support part comprises a support plate, a blocking plate and a limiting groove, the blocking plate is arranged at the edge of the support plate for limiting the insertion direction of the fan blade, the limiting groove is arranged on the blocking plate for accommodating the edge of the fan blade, a limiting hole is arranged on the support plate, and a limiting buckle is arranged on the blade limiting part and penetrates the fan blade and is inserted into the limiting hole.

[0007] Preferably, the blade limiting part further comprises a limiting column, a positioning hole is arranged on the support plate, and the limiting column penetrates the fan blade and is inserted into the positioning hole.

[0008] Preferably, an auxiliary hole is further arranged on the blade limiting part, and a bolt penetrates the fan blade and is threadedly connected with the support plate in the auxiliary hole.

[0009] Preferably, the blade support part further comprises a support block, the support block is arranged between the support plate and the middle ring, and the support block is fixedly connected with the support plate.

[0010] Preferably, a threaded hole, an auxiliary groove and a protruding positioning column are arranged on the support block, the middle ring is placed on the support block through the positioning column, a screw passing through the middle ring is threadedly connected to the support block, and the middle ring is internally provided with a positioning ring which is concentric with the middle ring and cooperates with the plurality of auxiliary grooves.

[0011] Preferably, the fixing assembly further comprises a motor fixing portion, the motor fixing portion comprises a fixing plate and a fixing hole, the fixing plate is connected to the support plate through a plurality of parallel arranged reinforcing ribs, and the fixing hole is arranged on the fixing plate and used for limiting and fixing the motor.

[0012] Preferably, a plurality of containing holes for containing fan blades are arranged on the side wall of the middle ring, and the opening of the limiting groove is aligned with the containing hole.

[0013] The fan device has the advantages that:

[0014] The fixing assembly is arranged to limit and fix the fan blades and fix the motor, so that the fan device is convenient to maintain by reducing the number of parts.

[0015] The blade supporting portion and the blade limiting portion of the fixing assembly are arranged to better fix the fan blades, better disassemble and assemble the fan blades, and fix the fan blades installed on the blade supporting portion by the limiting buckle, the limiting hole, the limiting column and the positioning hole, and the fan blades are further fixed by the externally arranged threaded hole and the bolt, so that the fan blades are completely prevented from being separated from the middle ring.

[0016] The positioning ring concentric with the middle ring and the auxiliary groove arranged on the fixing assembly can concentrically position the fixing assembly, and the problem of stable center of gravity caused by the deviation of the fixing position of the fixing assembly is prevented. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a three-dimensional structural schematic view of the utility model;

[0018] Figure 2 is a cut main view structural schematic view of the utility model;

[0019] Figure 3 is an exploded main view structural schematic view of the utility model;

[0020] Figure 4 is an exploded bottom view structural schematic view of the utility model;

[0021] In the figure, 1 - middle ring; 2 - support plate; 3 - blocking plate; 4 - limiting groove; 5 - limiting hole; 6 - limiting buckle; 7 - limiting column; 8 - positioning hole; 9 - auxiliary hole; 10 - bolt; 11 - support block; 12 - screw hole; 13 - auxiliary groove; 14 - screw; 15 - positioning ring; 16 - fixed plate; 17 - fixed hole; 18 - reinforcing rib; 19 - containing hole. DETAILED DESCRIPTION

[0022] The specific embodiments of the utility model are further described in detail below in combination with the drawings.

[0023] Refer to the description attached Figures 1-4 A kind of embedded fan blade mounting structure, including middle ring 1 and fixed assembly, middle ring 1 provides support for fixed assembly, while middle ring 1 can also protect motor installed in it, fixed assembly is installed in middle ring 1 inside to be used to fix fan blade, when fixing fan blade, it will be supported to fan blade by blade support part in fixed assembly, when fan blade is installed on blade support part, again by blade limiting portion on fan blade located on blade support part is fixed limit, wherein, blade limiting portion and blade support part are fixed and installed by the way of dismounting connection between them.

[0024] Blade support part includes support plate 2, blocking plate 3 and limiting groove 4, blocking plate 3 is arranged at the edge of support plate 2 for limiting in the direction of fan blade insertion, limiting groove 4 is opened in blocking plate 3 for containing the edge of fan blade, when fan blade is installed from the outside of middle ring 1 to the inside of middle ring 1, limiting groove 4 will preliminarily limit fan blade, so that fan blade does not deviate in the process of installation, preliminarily positioning for subsequent installation process.

[0025] Limiting hole 5 is opened on support plate 2, limiting buckle 6 is arranged on blade limiting portion, and limiting buckle 6 is inserted into limiting hole 5 through fan blade, limiting buckle 6 is inverted L-shaped, and limiting buckle 6 has a certain elasticity, when limiting buckle 6 is inserted into limiting hole 5 through fan blade, limiting buckle 6 deforms to a certain degree, when limiting buckle 6 extends out of limiting hole 5, limiting buckle 6 is buckled with the edge of limiting hole 5 under the action of elasticity, to further limit fan blade.

[0026] Blade limiting portion also includes limiting column 7, positioning hole 8 is opened on support plate 2, limiting column 7 is inserted into positioning hole 8 through fan blade, when limiting buckle 6 is inserted into limiting hole 5 to limit, limiting column 7 is inserted into positioning hole 8 simultaneously to limit second time.

[0027] The auxiliary hole 9 is provided on the blade limiting part, the bolt 10 is threaded through the fan blade and is screwed with the supporting plate 2, when the limiting buckle 6 is inserted into the limiting hole 5, the position of the auxiliary hole 9 is fixed, the bolt 10 is threaded through the fan blade and the supporting plate 2 in sequence and is screwed with the supporting plate 2, so that the problem that the fan blade is not limited due to the breakage of the limiting buckle 6 is prevented.

[0028] The blade supporting part further comprises a supporting block 11, which is arranged between the supporting plate 2 and the middle ring 1, and is fixedly connected with the supporting plate 2; the supporting block 11 can support the supporting plate 2 and the middle ring 1, and also has a damping effect, so that the vibration of the motor during operation does not affect the fan blade.

[0029] The supporting block 11 is provided with a threaded hole 12, an auxiliary groove 13 and a protruding positioning column; the middle ring 1 is provided with a screw 14 inserted into the threaded hole 12, and is provided with a positioning ring 15 concentric with the middle ring 1 and matched with the plurality of auxiliary grooves 13; the positioning ring 15 can keep the plurality of fixed components concentric, so that the center of gravity is more stable during the start of the fan, and the rotation state is also more stable.

[0030] The fixed component further comprises a motor fixing part, which comprises a fixing plate 16 and a fixing hole 17; the fixing plate 16 is connected with the supporting plate 2 through a plurality of parallel reinforcing ribs 18; the fixing hole 17 is provided on the fixing plate 16 and is used for limiting and fixing the motor; the reinforcing ribs 18 can increase the strength between the fixing plate 16 and the supporting plate 2.

[0031] A plurality of accommodating holes 19 for accommodating the fan blades are provided on the side wall of the middle ring 1; the opening of the limiting groove 4 is aligned with the accommodating hole 19; the accommodating hole 19 is in an arc shape protruding away from the motor, and has a certain height difference on both sides; the fan blade with the same shape as the accommodating hole 19 can generate appropriate wind power when rotating.

[0032] During use, the staff installs the fixed component in the middle ring 1, and the plurality of fixed components are concentrically positioned quickly and accurately under the action of the positioning ring 15 and the positioning column in the middle ring 1; after the fixed component is fixed, the staff limits the fixed component through the screw 14, the threaded hole 12 and the positioning column.

[0033] When the limiting is completed, the staff inserts the fan blades from the containing hole 19 to the inside of the middle ring 1, and in the process of inserting the fan blades, under the action of the limiting groove 4 and the containing hole 19, the fan blades can be better inserted into the fixing assembly, and at the same time, the limiting groove 4 limits the edge of the fan blades, so that even if the staff does not support the part of the fan blades located outside the middle ring 1, the fan blades will not shake up and down, and the staff installs the blade limiting part on the supporting plate 2, and in the process of installing the blade limiting part, the limiting buckle 6 penetrates the fan blades and is inserted into the limiting hole 5 to limit the fan blades;

[0034] At the same time of inserting the limiting buckle 6 into the limiting hole 5 for limiting, the limiting column 7 is synchronously inserted into the positioning hole 8 for secondary limiting, and at the same time, the threaded hole 9 position has been fixed, and the bolt 10 is sequentially penetrated through the fan blades and the supporting plate 2 and is screwed with the supporting plate 2;

[0035] Finally, the motor is fixed on the fixing assembly by the fixing hole 17, and at this time, the fan is completely assembled.

[0036] The utility model discloses a fixing assembly which can fix the fan blades and the motor, thereby increasing the maintainability of the fan equipment by reducing the parts.

[0037] The utility model discloses a fixing assembly which can fix the fan blades and the motor, thereby increasing the maintainability of the fan equipment by reducing the parts.

[0038] The utility model discloses a fixing assembly which can fix the fan blades and the motor, thereby increasing the maintainability of the fan equipment by reducing the parts.

Claims

1. An embedded fan blade mounting structure, comprising a middle ring (1) and a fixing assembly mounted inside the middle ring (1) for fixing of fan blades, the fixing assembly comprising a blade support part mounted inside the middle ring (1) for mounting of fan blades and a blade limiting part detachably connected with the blade support part for fixing of fan blades mounted on the blade support part. characterized in that The blade support part comprises a support plate (2), a blocking plate (3) provided at the edge of the support plate (2) for limiting in the direction of insertion of fan blades, and a limiting groove (4) provided on the blocking plate (3) for accommodating the edge of fan blades, and a limiting hole (5) provided on the support plate (2), and the blade limiting part is provided with a limiting buckle (6) penetrating the fan blade and inserted into the limiting hole (5).

2. An embedded fan blade mounting structure according to claim 1, wherein: The blade limiting part further comprises a limiting column (7), and a positioning hole (8) is provided on the support plate (2), and the limiting column (7) penetrates the fan blade and is inserted into the positioning hole (8).

3. An embedded fan blade mounting structure according to claim 2, wherein: An auxiliary hole (9) is further provided on the blade limiting part, and the auxiliary hole (9) is provided with a bolt (10) penetrating the fan blade and threadedly connected with the support plate (2).

4. The embedded fan blade mounting structure of claim 1, wherein: The blade support part further comprises a support block (11) provided between the support plate (2) and the middle ring (1), and the support block (11) is fixedly connected with the support plate (2).

5. An embedded fan blade mounting structure according to claim 4, wherein: Threaded holes (12), auxiliary grooves (13) and protruding positioning columns are provided on the support block (11), the middle ring (1) is placed on the support block (11) through the positioning columns, a screw (14) penetrating the middle ring (1) is threadedly connected with the support block (11), and a positioning ring (15) concentric with the middle ring (1) and cooperatively used with the plurality of auxiliary grooves (13) is arranged in the middle ring (1).

6. An embedded fan blade mounting structure according to claim 5, wherein: The fixing assembly further comprises a motor fixing part, the motor fixing part comprising a fixing plate (16) and a fixing hole (17), the fixing plate (16) being connected with the support plate (2) through a plurality of parallel arranged reinforcing ribs (18), and the fixing hole (17) being provided on the fixing plate (16) for limiting and fixing of a motor.

7. An embedded fan blade mounting structure according to claim 6, wherein: A plurality of accommodating holes (19) for accommodating fan blades are provided on the side wall of the middle ring (1), and the opening of the limiting groove (4) for accommodating fan blades is aligned with the accommodating holes (19).

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