CN219262737U

CN219262737U - Axial fan convenient to dismantle and maintain

Info

Publication number: CN219262737U
Application number: CN202320203184.6U
Authority: CN
Inventors: 严春雷; 李胜; 范敏; 陈寿江; 阮欢辉
Original assignee: Shanghai Grade Fe Blower Equipment Co ltd
Current assignee: Shanghai Grade Fe Blower Equipment Co ltd
Priority date: 2023-02-14
Filing date: 2023-02-14
Publication date: 2023-06-27
Anticipated expiration: 2033-02-14

Abstract

The utility model discloses an axial flow fan convenient to detach and maintain, which comprises supporting legs, a transmission case and a fixing sleeve, wherein the top ends of the supporting legs are fixedly provided with fixing cylinders, and clamping grooves are formed in the top ends and the bottom ends of the fixing grooves. The fixing sleeve is convenient to disassemble and assemble by arranging the disassembling and assembling structure, the bolts are screwed out from the interiors of the clamping blocks, the clamping blocks are pushed into the fixing shaft from the interiors of the clamping grooves, the fixing shaft can be pulled out from the interiors of the fixing grooves, maintenance can be carried out, the fixing sleeve is installed after the maintenance is finished, the clamping blocks are pushed into the interiors of the fixing shafts, the fixing shaft is inserted into the fixing grooves, then the clamping blocks are pushed into the clamping grooves by the elastic force of the springs, the bolts are screwed into the interiors of the clamping blocks, the fixing sleeve and the transmission case can be fixed, the clamping blocks can be inserted into the clamping grooves to achieve the function of rapid positioning, the fixing is facilitated, and the fixing sleeve is convenient to disassemble and assemble.

Description

Axial fan convenient to dismantle and maintain

Technical Field

The utility model relates to the technical field of fans, in particular to an axial flow fan convenient to detach and maintain.

Background

The axial flow is the air flow in the same direction as the axis of the fan blade, the axial flow fan has very wide application, such as an electric fan, an air conditioner external fan is an axial flow running fan, the axial flow fan drives the fan blade to blow through a motor, the structure principle is simple, the use is convenient, the maintenance cost is low, and the air conditioner external fan is suitable for occasions with higher flow requirements and lower pressure requirements.

The prior art scheme of axial flow fans has the following drawbacks: after long-term use, the fan may be required to be disassembled, but the disassembly is troublesome, and if the external vibration for a long time may cause the loosening of the fixing screw.

Disclosure of Invention

First, the technical problem to be solved

The utility model aims to provide an axial flow fan convenient to detach and maintain, which is used for solving the defect that the existing axial flow fan possibly fails after long-time use, the fan needs to be detached at the moment, but the detachment is troublesome, and a fixing screw is possibly loosened if external vibration is generated for a long time.

(II) summary of the utility model

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides an axial fan convenient to dismantle and maintain, includes supporting legs, transmission case and fixed cover, the top of supporting legs is fixed with fixed cylinder, and the inside both sides of fixed cylinder all install protective structure, the inside of fixed cylinder is fixed with the transmission case, the motor is installed on the top of transmission case one side, fixed cover is installed to the bottom of transmission case one side, the outside of fixed cover is fixed with the flabellum, one side of fixed cover is provided with the dismouting structure, the dismouting structure includes fixed axle, fixed slot, draw-in groove, bolt, fixture block and spring, the fixed axle is fixed in one side of fixed cover inside, the inside of fixed axle is fixed with the spring, and the bottom of spring is fixed with the fixture block, the internal thread connection of fixture block has the bolt, the fixed slot sets up in one side of transmission case, the top and the bottom of fixed slot all are provided with the draw-in groove.

Preferably, two springs are arranged, and the springs are symmetrically distributed in the fixing shaft, so that stable fixing can be realized.

Preferably, two clamping blocks are arranged, and the clamping blocks form a telescopic structure in the fixing shaft through springs, so that automatic limiting can be realized.

Preferably, the fan blades are arranged in a plurality, and the fan blades are distributed at equal intervals outside the fixed sleeve.

Preferably, the protection structure comprises a protection ring, a support rod and a connecting block, wherein the connecting block is arranged in the fixed cylinder, the support rod is fixed on the outer part of the connecting block, and the protection ring is fixed on the outer part of the support rod.

Preferably, the support rods are arranged in a plurality, and the support rods are distributed at equal intervals outside the connecting block, so that the fixing is stable.

Preferably, the outer diameter of the protective ring is smaller than the inner diameter of the fixed cylinder, and the protective ring and the support rod are welded integrally.

(III) beneficial effects

The axial flow fan convenient to disassemble and maintain has the advantages that: the fixing sleeve is convenient to disassemble and assemble due to the arrangement of the disassembly and assembly structure, the fixing sleeve is required to be disassembled and assembled when the fixing sleeve breaks down, at the moment, the bolt is screwed out from the inside of the clamping block, then the clamping block is pushed into the fixing shaft from the inside of the clamping groove, then the fixing shaft can be pulled out from the inside of the fixing groove, maintenance can be carried out, the fixing sleeve is installed after the maintenance is finished, at the moment, the clamping block is pushed into the inside of the fixing shaft, then the fixing shaft is inserted into the fixing groove, then the clamping block is pushed into the clamping groove by the elastic force of the spring, then the bolt is screwed into the inside of the clamping block, so that the fixing sleeve and the transmission case can be fixed, the clamping block can be rapidly positioned due to the insertion of the clamping block, the fixing is more convenient to carry out, and the disassembly and assembly of the fixing sleeve are realized conveniently;

can protect external object through being provided with protective structure, external object can collide to fixed section of thick bamboo when using, and high-speed movable flabellum and object contact can cause the damage this moment, constitutes netted protection frame between guard ring and the bracing piece, can prevent that great object from passing through from the both sides of fixed section of thick bamboo, effectually prevents flabellum and external object contact, and the connecting block can be connected between the bracing piece, makes its stability higher, has realized protecting external object.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic side sectional view of the present utility model;

FIG. 3 is a schematic side view of the cross-section of FIG. 2A in accordance with the present utility model;

fig. 4 is a schematic front view of the protective structure of the present utility model.

Reference numerals in the drawings illustrate:

1. supporting feet; 2. a fixed cylinder; 3. a fan blade; 4. a motor; 5. a transmission case; 6. a fixed sleeve; 7. a protective structure; 701. a protective ring; 702. a support rod; 703. a connecting block; 8. a disassembly and assembly structure; 801. a fixed shaft; 802. a fixing groove; 803. a clamping groove; 804. a bolt; 805. a clamping block; 806. and (3) a spring.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by one of ordinary skill in the art without inventive faculty, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-4, an embodiment of the present utility model is provided: the utility model provides an axial fan convenient to dismantle and maintain, including supporting legs 1, transmission case 5 and fixed cover 6, the top of supporting legs 1 is fixed with fixed section of thick bamboo 2, and the protective structure 7 is all installed to the inside both sides of fixed section of thick bamboo 2, the inside of fixed section of thick bamboo 2 is fixed with transmission case 5, motor 4 is installed on the top of transmission case 5 one side, fixed cover 6 is installed to the bottom of transmission case 5 one side, the outside of fixed cover 6 is fixed with flabellum 3, one side of fixed cover 6 is provided with dismouting structure 8, flabellum 3 is provided with a plurality of, a plurality of flabellum 3 is equidistant distribution in the outside of fixed cover 6, install the position at the use with supporting legs 1 when using, motor 4 passes through external power supply, start motor 4 drives transmission case 5 operation, transmission case 5 drives fixed cover 6 and rotates, fixed cover 6 drives flabellum 3 upset and can blow.

Embodiment one:

when the structure is used, firstly, the dismounting structure 8 comprises a fixed shaft 801, a fixed groove 802, clamping grooves 803, bolts 804, clamping blocks 805 and springs 806, the fixed shaft 801 is fixed on one side of the inside of a fixed sleeve 6, the springs 806 are fixed in the fixed shaft 801, the clamping blocks 805 are fixed at the bottom ends of the springs 806, the bolts 804 are connected with the inner threads of the clamping blocks 805, the fixed groove 802 is arranged on one side of a transmission case 5, the clamping grooves 803 are respectively arranged at the top end and the bottom end of the fixed groove 802, the springs 806 are arranged in two, the springs 806 are symmetrically distributed in the inside of the fixed shaft 801, the clamping blocks 805 are arranged in two, the clamping blocks 805 form a telescopic structure in the inside of the fixed shaft 801, the bolts 804 are screwed out of the clamping blocks 805 through the springs 806, then the clamping blocks 805 are pushed into the inside of the fixed shaft 801 from the clamping grooves 803, the fixed shaft 801 can be pulled out of the inside of the fixed shaft 801, maintenance can be performed, the fixed sleeve 6 is installed after the maintenance is completed, the fixed sleeve 805 is pushed into the inside of the fixed shaft 801, the fixed shaft 801 is then inserted into the inside of the fixed groove 802, the clamping blocks 805 are pushed into the inside of the clamping grooves 803 by the elasticity of the clamping grooves 803, the clamping blocks 803 are pushed into the inside of the clamping grooves 803, and the inside of the fixed sleeve 803 can be screwed into the inside of the fixed case 803, so that the fixed box 803 can be conveniently fixed between the fixed inside and the fixing case 803.

Embodiment two:

when using this structure, at first, protective structure 7 includes guard ring 701, bracing piece 702 and connecting block 703, connecting block 703 sets up in the inside of fixed cylinder 2, the outside of connecting block 703 is fixed with bracing piece 702, and the outside of bracing piece 702 is fixed with guard ring 701, bracing piece 702 is provided with a plurality of, a plurality of bracing piece 702 is equidistant distribution in the outside of connecting block 703, the external diameter of guard ring 701 is less than the internal diameter of fixed cylinder 2, be welded integration between guard ring 701 and the bracing piece 702, high-speed movable flabellum 3 can cause the damage with the object contact, constitute netted guard frame between guard ring 701 and the bracing piece 702, can prevent that great object from passing through from the both sides of fixed cylinder 2, effectually prevent flabellum 3 and external object contact, connecting block 703 can be connected between the bracing piece 702, make its stability higher.

The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present utility model without undue burden.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. The utility model provides an axial fan convenient to dismantle and maintain, includes supporting legs (1), transmission case (5) and fixed cover (6), its characterized in that: the top end of the supporting leg (1) is fixed with a fixed cylinder (2), both sides of the inside of the fixed cylinder (2) are provided with protection structures (7), and a transmission case (5) is fixed in the inside of the fixed cylinder (2);

the motor (4) is arranged at the top end of one side of the transmission case (5), and the fixed sleeve (6) is arranged at the bottom end of one side of the transmission case (5);

the fan blade fixing device is characterized in that fan blades (3) are fixed outside the fixing sleeve (6), a dismounting structure (8) is arranged on one side of the fixing sleeve (6), the dismounting structure (8) comprises a fixing shaft (801), a fixing groove (802), a clamping groove (803), a bolt (804), a clamping block (805) and a spring (806), the fixing shaft (801) is fixed on one side of the inside of the fixing sleeve (6), the spring (806) is fixed inside the fixing shaft (801), the clamping block (805) is fixed at the bottom end of the spring (806), the bolt (804) is connected with internal threads of the clamping block (805), the fixing groove (802) is arranged on one side of the transmission case (5), and the clamping groove (803) is formed in the top end and the bottom end of the fixing groove (802).

2. The axial flow fan convenient to detach and maintain according to claim 1, wherein: the springs (806) are arranged in two, and the springs (806) are symmetrically distributed in the fixed shaft (801).

3. The axial flow fan convenient to detach and maintain according to claim 1, wherein: two clamping blocks (805) are arranged, and the clamping blocks (805) form a telescopic structure inside the fixed shaft (801) through springs (806).

4. The axial flow fan convenient to detach and maintain according to claim 1, wherein: the fan blades (3) are arranged in a plurality, and the fan blades (3) are distributed at equal intervals outside the fixing sleeve (6).

5. The axial flow fan convenient to detach and maintain according to claim 1, wherein: the protection structure (7) comprises a protection ring (701), a support rod (702) and a connecting block (703), wherein the connecting block (703) is arranged inside the fixed cylinder (2), the support rod (702) is fixed on the outer part of the connecting block (703), and the protection ring (701) is fixed on the outer part of the support rod (702).

6. The axial flow fan convenient to detach and maintain according to claim 5, wherein: the supporting rods (702) are arranged in a plurality, and the supporting rods (702) are distributed at equal intervals outside the connecting blocks (703).

7. The axial flow fan convenient to detach and maintain according to claim 5, wherein: the outer diameter of the protective ring (701) is smaller than the inner diameter of the fixed cylinder (2), and the protective ring (701) and the supporting rod (702) are welded and integrated.