Smoke exhaust fan capable of being quickly disassembled and assembled

Abstract

The utility model belongs to the technical field of ventilation equipment, and particularly relates to a smoke exhaust fan capable of being quickly disassembled and assembled, which comprises a fixed shell, a connecting beam is connected to the inner end face of the fixed shell, a protective shell is fixedly connected to the inner end face of the connecting beam, and a motor fixing frame is mounted in the protective shell. A driving motor is fixedly arranged in the motor fixing frame, a connecting shaft is fixedly connected to the front end of the driving motor, an impeller is fixedly connected to the front end of the connecting shaft, blades are fixedly installed in the circumferential direction of the impeller, and a jacking air cylinder fixing base is fixedly installed on the inner end face of the fixed shell; one end face of the jacking air cylinder fixing base is fixedly connected with a jacking air cylinder. According to the combined type draught fan, the jacking air cylinder and the combined type draught fan body are arranged, the draught fan body can be disassembled and assembled only by controlling the jacking air cylinder to work in the disassembling and assembling process, and meanwhile the combined type draught fan body is adopted so that the combined type draught fan body can be cleaned more conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of ventilation equipment, in particular to a smoke exhaust fan which can be quickly disassembled and assembled. Background Art

[0002] Smoke exhaust fans are an important ventilation equipment, and their background technology is mainly based on the principles of aerodynamics and thermodynamics. As early as in ancient times, people began to use tools such as bellows for ventilation and smoke exhaust. With the development of science and technology, smoke exhaust fans have gradually evolved into more efficient mechanical equipment. In modern kitchen work, smoke exhaust fans are indispensable equipment.

[0003] There are the following problems:

[0004] The existing smoke exhaust fans usually require professional technicians to perform complex operations during the disassembly and installation process, which is not only time-consuming and labor-intensive, but also inefficient. In addition, improper operations during the disassembly and installation process may also cause equipment damage and increase maintenance costs. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a smoke exhaust fan that can be quickly disassembled and assembled, thereby solving the problems of complex operation and low efficiency during disassembly and assembly.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a smoke exhaust fan that can be quickly disassembled and assembled, including a fixed shell, characterized in that: the inner end surface of the fixed shell is fixedly connected to a connecting beam, the inner end surface of the connecting beam is fixedly connected to a protective shell, a motor fixing frame is fixedly installed inside the protective shell, a driving motor is fixedly arranged inside the motor fixing frame, the front end of the driving motor is fixedly connected to a connecting shaft, the front end of the connecting shaft is fixedly connected to an impeller, and blades are fixedly installed circumferentially of the impeller.

[0007] As a preferred technical solution of the utility model, a tightening cylinder fixing seat is fixedly installed on the inner end surface of the fixed shell, and a tightening cylinder is fixedly connected to the end surface of the tightening cylinder fixing seat away from the protective shell, and a tightening block is fixedly connected to the end of the tightening cylinder close to the fixed shell, and the tightening block is made of aluminum alloy.

[0008] As a preferred technical solution of the utility model, the rear end face of the protective shell is fixedly connected to a rear protective fixing shell, a motor rear support seat is arranged at the center of the rear protective fixing shell, a motor rear tightening block is fixedly installed on one end of the motor rear support seat close to the driving motor, and the motor rear tightening block is made of fluororubber.

[0009] As a preferred technical solution of the utility model, a front protective net is provided on the front end surface of the protective shell, and the front protective net and the protective shell are integrally formed.

[0010] Compared with the prior art, the utility model has the following beneficial effects:

[0011] The utility model, by providing a tightening cylinder and a combined fan body, can complete the disassembly and installation of the fan body by only controlling the tightening cylinder to work during the disassembly and installation process. At the same time, the combined body is adopted, which can make the cleaning of the body more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the isometric structure of the utility model;

[0013] Figure 2 This is a schematic diagram of the main structure of the utility model;

[0014] Figure 3 This is a rear view structural diagram of the utility model;

[0015] Figure 4 It is a right side structural schematic diagram of the utility model;

[0016] Figure 5 This is a schematic diagram of the AA section equiaxed structure of the utility model;

[0017] Figure 6 This is a schematic diagram of the AA section front view structure of the utility model.

[0018] In the figure: 1. fixed shell; 2. connecting beam; 3. tightening cylinder fixing seat; 4. front protective net; 5. protective shell; 6. tightening block; 7. tightening cylinder; 8. blades; 9. rear protective fixing shell; 10. motor fixing frame; 11. motor rear support seat; 12. driving motor; 13. motor rear tightening block; 14. connecting shaft; 15. impeller. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Example

[0021] See also Figure 1-6The utility model provides the following technical solutions: a smoke exhaust fan that can be quickly disassembled and assembled, including a fixed shell 1, the inner end surface of the fixed shell 1 is fixedly connected with a connecting beam 2, the inner end surface of the connecting beam 2 is fixedly connected with a protective shell 5, the interior of the protective shell 5 is fixedly installed with a motor fixing frame 10, the interior of the motor fixing frame 10 is fixedly provided with a driving motor 12, the front end of the driving motor 12 is fixedly connected with a connecting shaft 14, the front end of the connecting shaft 14 is fixedly connected with an impeller 15, and the circumference of the impeller 15 is fixedly installed with blades 8.

[0022] In this embodiment, four connecting beams 2 are symmetrically arranged, the connecting beam 2 and the fixed shell 1 are connected by welding, the protective shell 5 and the connecting beam 2 are also connected by welding, the motor fixing frame 10 is fixed by a fixing ring with the same diameter as the driving motor 12, and the connecting shaft 14 is key-connected to transmit the power of the motor to the impeller 15. The impeller 15 and the blades 8 are fixed by welding, and ten blades 8 are arranged at equal intervals.

[0023] Specifically, a tightening cylinder fixing seat 3 is fixedly installed on the inner end surface of the fixed outer shell 1, and a tightening cylinder 7 is fixedly connected to the end surface of the tightening cylinder fixing seat 3 away from the protective shell 5. A tightening block 6 is fixedly connected to the end of the tightening cylinder 7 close to the fixed outer shell 1, and the tightening block 6 is made of aluminum alloy.

[0024] In this embodiment, eight tightening cylinder fixing seats 3 are provided, which are connected in a fixed manner. The tightening cylinder 7 is fixed with threaded bolts. The top of the tightening block 6 is provided with a wavy pattern, which can increase the friction force and adapt to some ventilation ducts with micro-deformations.

[0025] Specifically, the rear end face of the protective shell 5 is fixedly connected to the rear protective fixing shell 9, a motor rear support seat 11 is arranged at the center of the rear protective fixing shell 9, and a motor rear tightening block 13 is fixedly installed at one end of the motor rear support seat 11 close to the driving motor 12, and the motor rear tightening block 13 is made of fluororubber.

[0026] In this embodiment, the protective shell 5 is connected to the rear protective fixing shell 9 by internal threads. Six air inlets are arranged on the rear protective fixing shell 9. The motor rear support seat 11 and the rear protective fixing shell 9 are connected by threads, and the degree of tightening of the motor can be adjusted.

[0027] Specifically, a front protective net 4 is provided on the front end surface of the protective shell 5 , and the front protective net 4 and the protective shell 5 are integrally formed.

[0028] In this embodiment, the front protective net 4 is not detachable.

[0029] The working principle and use process of the utility model are as follows: the staff controls the tightening cylinder 7 to work, retracts the tightening block 6 into the fixed shell 1, and then puts the smoke exhaust fan at the corresponding position of the exhaust port, and then controls all the tightening cylinders 7 to work. Under the action of the tightening cylinders 7, all the tightening blocks 6 rise slowly and synchronously. When all the tightening blocks 6 are in complete contact with the inner wall of the smoke exhaust fan placement, the installation of the smoke exhaust fan is completed. When disassembling, it is sufficient to control the tightening cylinder 7 to contract. This method can quickly install and disassemble the smoke exhaust fan.

[0030] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A smoke exhaust fan capable of rapid assembly and disassembly, comprising a fixed housing (1), characterized in that: The inner end surface of the fixed outer shell (1) is fixedly connected to a connecting beam (2), the inner end surface of the connecting beam (2) is fixedly connected to a protective shell (5), a motor fixing frame (10) is fixedly installed inside the protective shell (5), a driving motor (12) is fixedly arranged inside the motor fixing frame (10), the front end of the driving motor (12) is fixedly connected to a connecting shaft (14), the front end of the connecting shaft (14) is fixedly connected to an impeller (15), and blades (8) are fixedly installed circumferentially of the impeller (15).

2. The quickly detachable smoke exhaust fan according to claim 1, characterized in that: A tightening cylinder fixing seat (3) is fixedly mounted on the inner end surface of the fixed outer shell (1); an end surface of the tightening cylinder fixing seat (3) away from the protective shell (5) is fixedly connected to a tightening cylinder (7); an end of the tightening cylinder (7) close to the fixed outer shell (1) is fixedly connected to a tightening block (6); and the tightening block (6) is made of aluminum alloy.

3. The quickly detachable smoke exhaust fan according to claim 1, characterized in that: The rear end face of the protective shell (5) is fixedly connected to a rear protective fixing shell (9), a motor rear support seat (11) is arranged at the center of the rear protective fixing shell (9), a motor rear tightening block (13) is fixedly installed at one end of the motor rear support seat (11) close to the drive motor (12), and the motor rear tightening block (13) is made of fluororubber.

4. The quickly detachable smoke exhaust fan according to claim 1, characterized in that: The front end surface of the protective shell (5) is provided with a front protective net (4), and the front protective net (4) and the protective shell (5) are integrally formed.

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