Fixing and supporting device for axial flow fan

Abstract

The utility model discloses a fixing and supporting device for an axial flow fan. The fixing and supporting device comprises a fan body, a motor fixing assembly and an air duct supporting assembly. The fan body comprises a fan air duct, a motor and a fan blade set, the motor is fixed in an inner cavity of the air duct, and the output end of the motor is connected with the fan blade set; the motor fixing assembly comprises a motor fixing cylinder, a motor clamping seat and a fixing screw rod; the air cylinder supporting assembly comprises an air cylinder supporting cylinder, an air cylinder supporting arm and an adjusting screw rod. According to the device, the fan motor is rapidly fixed through cooperation of the motor clamping base and the motor fixing hanging lug, meanwhile, the motor clamping base is controlled through the fixing screw, the extension length of the motor clamping base can be conveniently adjusted, and the device is suitable for the fixing requirements of fan motors of various sizes; the function of supporting the motor fixing assembly is achieved through the air duct supporting arm, meanwhile, the ventilation supporting arm is controlled through the adjusting screw, the extension length of the ventilation supporting arm can be conveniently adjusted, and the installation requirements of fan air ducts of various sizes are met.

Description

Technical Field

[0001] The utility model relates to the technical field related to axial flow fans, and in particular to a fixing support device for axial flow fans. Background Art

[0002] The axial flow fan uses the motor to provide power to drive the blades to rotate, thereby achieving the effect of ventilation or heat dissipation. The motor output shaft in the axial flow fan often needs to be coaxially set with the center of the cross section of the wind tube. In this case, a fixed support device for the motor needs to be installed in the wind tube to fix the motor in a specific position.

[0003] The existing patent application number is: CN202221561114.X, and the patent name is: A utility model patent for a motor fixing support device for an axial flow fan. The scheme includes a wind tube and a support device. The support device includes a horizontally arranged carrier plate. The motor is mounted on the carrier plate. The surface of the carrier plate facing away from the motor is connected to the wind tube through a support plate. The motor is connected to the wind tube through a disassembly plate directly above. Two baffles for clamping the motor are connected to the carrier plate, and the two baffles are respectively arranged on both sides of the motor.

[0004] Although the device can fix the motor, the support and fixing device can only fix and install the fan duct and motor of a specific size, resulting in a small scope of use, and it needs to be improved. Utility Model Content

[0005] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and utility model name of this application to avoid blurring the purpose of this section, specification abstract and utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0006] Therefore, in order to solve the above technical problems, the utility model provides the following technical solutions: a fixing support device for an axial flow fan, comprising a fan body, a motor fixing assembly and a wind tube supporting assembly;

[0007] The fan body includes a fan cylinder, a motor and a fan blade group. The motor is fixed in the inner cavity of the cylinder, and the output end of the motor is connected to the fan blade group to drive the fan blade group to rotate to form a wind flow.

[0008] The motor fixing assembly comprises a motor fixing cylinder, a motor clamping seat and a fixing screw, wherein the motor clamping seat is arranged in the inner ring cavity of the motor fixing cylinder, the motor clamping seat is connected to one end of the fixing screw, the other end of the fixing screw passes through the motor fixing cylinder, the fixing screw is threadedly connected to the motor fixing cylinder, and the end of the motor clamping seat away from the fixing screw is fixed to the motor by a fastener;

[0009] The wind duct support assembly includes a wind duct support cylinder, a wind duct support arm and an adjusting screw. The wind duct support cylinder is arranged on the outside of the motor fixing cylinder, the wind duct support arm is arranged on the outside of the wind duct support cylinder, one end of the adjusting screw is connected to the wind duct support arm, the other end of the adjusting screw is threadedly connected to the wind duct support cylinder, and the end of the wind duct support arm away from the adjusting screw is fixed to the fan wind duct by a fastener.

[0010] As a preferred solution of the fixed support device for the axial flow fan of the utility model, wherein: a motor fixing ear for use with the motor is arranged at the position of the motor corresponding to the motor clamp seat, and the motor fixing ear is provided with a clamp seat slot for inserting the motor clamp seat, and the motor clamp seat is fixed to the clamp seat slot by bolts and nuts.

[0011] As a preferred solution of the fixed support device for the axial flow fan of the utility model, there are at least three groups of motor clamps, which are arranged in a circular array on the inner side of the motor fixing tube, and each group of motor clamps is connected to a group of fixing screws.

[0012] As a preferred solution of the fixed support device for the axial flow fan of the utility model, wherein: the wind tube support arms are provided with at least three groups, the three groups of wind tube support arms are arranged in a circular array on the outside of the wind tube support tube, and each group of wind tube support arms has a group of adjusting screws.

[0013] As a preferred solution of the fixed support device for the axial flow fan of the utility model, wherein: a duct fixing ear for use with it is arranged at the position of the fan duct corresponding to the duct support arm, and the duct fixing ear is provided with a support arm slot for inserting the duct support arm, and the duct support arm is fixed to the clamp seat slot by bolts and nuts.

[0014] As a preferred solution of the fixed support device for the axial flow fan of the utility model, the wind tube support assembly also includes a wind tube support seat, the cross-section of the wind tube support seat is an isosceles trapezoidal structure that is narrow at the top and wide at the bottom, and the bottom peripheral wall of the fan wind tube is fixed on the wind tube support seat.

[0015] Beneficial effects of the utility model:

[0016] 1. The utility model proposes a fixing support device for an axial flow fan. When in use, the device can realize rapid fixation of the fan motor through the cooperation between the motor clamp and the motor fixing ear. At the same time, the motor clamp is controlled by a fixing screw so that the extension length can be easily adjusted, which is suitable for fixing fan motors of various sizes.

[0017] 2. The utility model proposes a fixed support device for an axial flow fan. When in use, the device can realize the support function of the motor fixing assembly through the air duct support arm. At the same time, the ventilation support arm is controlled by an adjusting screw so that it is easy to adjust the extension length, which is suitable for the installation requirements of fan ducts of various sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0020] Figure 2 It is a rear view structural schematic diagram of the utility model.

[0021] Figure 3 It is a schematic diagram of the installation structure of the motor fixing assembly and the wind tube supporting assembly of the utility model.

[0022] Figure 4 It is a schematic diagram of the specific structure of the motor fixing assembly of the utility model.

[0023] In the figure: 100, fan body; 101, fan duct; 1011, duct fixing ear; 102, motor; 1021, motor fixing ear; 103, fan blade assembly;

[0024] 200, motor fixing assembly; 201, motor fixing cylinder; 202, motor clamping seat; 203, fixing screw;

[0025] 300, wind duct support assembly; 301, wind duct support tube; 302, wind duct support arm; 303, adjustment screw; 304, wind duct support seat. DETAILED DESCRIPTION

[0026] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0027] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0028] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0029] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the embodiments of the present invention, for the sake of convenience, the cross-sectional diagrams showing the device structure will not be partially enlarged according to the general scale, and the schematic diagrams are only examples, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0030] Reference Figures 1 to 4 , is an embodiment of the utility model, which provides a fixing support device for an axial flow fan, including a fan body 100, a motor fixing assembly 200 and a wind tube supporting assembly 300;

[0031] The fan body 100 includes a fan cylinder 101, a motor 102 and a fan blade group 103. The motor 102 is fixed in the inner cavity of the cylinder, and the output end of the motor 102 is connected to the fan blade group 103 to drive the fan blade group 103 to rotate to form a wind flow.

[0032] The motor fixing assembly 200 includes a motor fixing cylinder 201, a motor clamping seat 202 and a fixing screw 203. The motor clamping seat 202 is arranged in the inner ring cavity of the motor fixing cylinder 201. The motor clamping seat 202 is connected to one end of the fixing screw 203. The other end of the fixing screw 203 passes through the motor fixing cylinder 201. The fixing screw 203 is threadedly connected to the motor fixing cylinder 201. The end of the motor clamping seat 202 away from the fixing screw 203 is fixed to the motor 102 by a fastener. A motor fixing ear 1021 for use with the motor 102 is arranged at the position of the motor clamp seat 202 corresponding to the motor 102, and a clamp seat slot for inserting the motor clamp seat 202 is opened on the motor fixing ear 1021, and the motor clamp seat 202 is fixed to the clamp seat slot by bolts and nuts; the motor clamp seat 202 is provided with at least three groups, and the three groups of motor clamp seats 202 are arranged in a circular array on the inner side of the motor fixing tube 201, and each group of motor clamp seats 202 is connected to a group of fixing screws 203.

[0033] The wind tube support assembly 300 includes a wind tube support cylinder 301, a wind tube support arm 302 and an adjusting screw 303. The wind tube support cylinder 301 is arranged on the outside of the motor fixing cylinder 201, and the wind tube support arm 302 is arranged on the outside of the wind tube support cylinder 301. One end of the adjusting screw 303 is connected to the wind tube support arm 302, and the other end of the adjusting screw 303 is threadedly connected to the wind tube support cylinder 301. One end of the wind tube support arm 302 away from the adjusting screw 303 is fixed to the fan wind tube 101 by a fastener; the wind tube support arm 302 is provided with at least three groups, and the three groups of wind tube support arms 302 are arranged in a circular array on the wind tube On the outside of the support cylinder 301, each group of wind duct support arms 302 has a group of adjusting screws 303; the position of the fan duct 101 corresponding to the wind duct support arm 302 is arranged with a wind duct fixing ear 1011 used in conjunction with it, and the wind duct fixing ear 1011 is provided with a support arm slot for the wind duct support arm 302 to be inserted, and the wind duct support arm 302 is fixed to the clamp seat slot by bolts and nuts; the wind duct support assembly 300 also includes a wind duct support seat 304, and the cross-section of the wind duct support seat 304 is an isosceles trapezoidal structure that is narrow at the top and wide at the bottom, and the bottom outer peripheral wall of the fan duct 101 is fixed to the wind duct support seat 304.

[0034] In this embodiment: when in use, the motor 102 with the fan blade group 103 is placed in the cavity inside the motor clamp seat 202, and the fixing screw 203 is manually rotated so that the fixing screw 203 pushes the motor clamp seat 202 inward through the threaded connection with the motor fixing tube 201 until the motor clamp seat 202 clamps the outer wall of the motor 102. At the same time, the motor clamp seat 202 is inserted into the cavity on the motor fixing ear 1021, and then the motor clamp seat 202 is fixed to the motor fixing ear 1021 with fasteners.

[0035] The duct support tube 301 equipped with the motor 102 is installed into the fan duct 101 supported by the duct support seat 304, and the adjusting screw 303 is rotated so that the adjusting screw 303 is threadedly connected with the duct support tube 301, so as to push the duct support arm 302 to move until the duct support arm 302 is pressed against the circumferential inner wall of the fan duct 101. At the same time, the duct support arm 302 is inserted into the slot on the duct fixing ear 1011, and then the duct support arm 302 is fixed in the duct fixing ear 1011 with bolts and nuts, so as to fix the duct support arm 302.

[0036] It is worth noting that the motor is controlled by a controller. Since the controller is a commonly used device and belongs to the existing mature technology, its electrical connection relationship and specific circuit structure will not be described in detail here.

[0037] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A fixing support device for an axial flow fan, characterized in that: It comprises a fan body (100), a motor fixing assembly (200) and a fan tube supporting assembly (300); The fan body (100) comprises a fan cylinder (101), a motor (102) and a fan blade group (103); the motor (102) is fixed in the inner cavity of the cylinder; the output end of the motor (102) is connected to the fan blade group (103) and is used to drive the fan blade group (103) to rotate and form a wind flow; The motor fixing assembly (200) comprises a motor fixing cylinder (201), a motor clamping seat (202) and a fixing screw (203); the motor clamping seat (202) is arranged in the inner ring cavity of the motor fixing cylinder (201); the motor clamping seat (202) is connected to one end of the fixing screw (203); the other end of the fixing screw (203) passes through the motor fixing cylinder (201); the fixing screw (203) is threadedly connected to the motor fixing cylinder (201); and one end of the motor clamping seat (202) away from the fixing screw (203) is fixed to the motor (102) by a fastener; The wind tube support assembly (300) comprises a wind tube support cylinder (301), a wind tube support arm (302) and an adjusting screw (303); the wind tube support cylinder (301) is arranged outside the motor fixing cylinder (201); the wind tube support arm (302) is arranged outside the wind tube support cylinder (301); one end of the adjusting screw (303) is connected to the wind tube support arm (302); the other end of the adjusting screw (303) is threadedly connected to the wind tube support cylinder (301); and one end of the wind tube support arm (302) away from the adjusting screw (303) is fixed to the fan wind tube (101) via a fastener.

2. The fixing support device for an axial flow fan according to claim 1, characterized in that: A motor fixing lug (1021) used in conjunction with the motor (102) is arranged at a position of the motor (102) corresponding to the motor clamping seat (202); a clamping seat slot for inserting the motor clamping seat (202) is provided on the motor fixing lug (1021); and the motor clamping seat (202) is fixed to the clamping seat slot by means of bolts and nuts.

3. The fixing support device for an axial flow fan according to claim 1, characterized in that: The motor clamping seats (202) are provided in at least three groups, and the three groups of motor clamping seats (202) are arranged in a circular array on the inner side of the motor fixing cylinder (201), and each group of motor clamping seats (202) is connected to a group of fixing screws (203).

4. The fixing support device for an axial flow fan according to claim 1, characterized in that: The wind tube support arms (302) are provided in at least three groups, and the three groups of wind tube support arms (302) are arranged in a circular array outside the wind tube support cylinder (301), and each group of wind tube support arms (302) has a group of adjustment screws (303).

5. The fixing support device for an axial flow fan according to claim 1, characterized in that: A duct fixing lug (1011) for use with the duct support arm (302) is arranged at a position of the fan duct (101) corresponding to the duct support arm (302); the duct fixing lug (1011) is provided with a support arm slot for inserting the duct support arm (302); the duct support arm (302) is fixed to the clamp seat slot by means of bolts and nuts.

6. The fixing support device for an axial flow fan according to claim 1, characterized in that: The wind tube support assembly (300) further comprises a wind tube support seat (304), the cross section of which is an isosceles trapezoidal structure that is narrow at the top and wide at the bottom, and the bottom peripheral wall of the fan wind tube (101) is fixed on the wind tube support seat (304).

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