Door machine fan convenient to assemble
By dividing the door fan into the left and right parts and adopting a quick docking device and locking snapping design, the problem of bulky transportation and installation difficulties of the door fan is solved, and rapid assembly and stable connection are achieved, and service life is extended.
Patent Information
- Application Number
- CN202422126223.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-30
- Publication Date
- 2025-07-04
- Estimated Expiration
- 2034-08-30
AI Technical Summary
The existing door fans are bulky and difficult to transport and install. The existing plug-in mechanism is complex or damaged and needs to replace the overall housing, which increases the cost.
The fan mounting barrel and air duct barrel are separated, combined with a quick docking device and a quick locking snap, and are equipped with a protective sleeve for rapid assembly and stable connection, and docking through a power mechanism. The protective sleeve is a clamp rubber sleeve to prevent water and moisture.
Reduce transportation and installation difficulty, improve assembly efficiency, enhance connection stability, extend locking and buckle life, and reduce installation costs.
Smart Images

Figure CN223062700U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a door machine fan, in particular to a door machine fan which is convenient to assemble. Background Art
[0002] Because the existing hoisting fan of the door machine is very bulky, transportation and installation are relatively difficult. In this regard, the prior art discloses that the disassembly and assembly of the fan casing are completed by means of splicing, which can not only reduce the weight of transportation, but also facilitate installation. However, bolts are usually used for fixing at the splicing part. If the bolts are damaged or ineffective, not only the maintenance is troublesome, but also the labor intensity is increased. The prior art discloses a modular positive pressure air blower with an application number of 202322728958.X and a name of easy-to-disassemble and assemble. The air blower is provided with a clamping mechanism, but the clamping mechanism of the air blower has a complex structure. Once the clamping mechanism is damaged, the entire casing must be replaced, increasing the cost. Content of the Utility Model
[0003] The technical problem to be solved by the utility model is to provide a door machine fan which is convenient to assemble, has reasonable design, is convenient for installation and maintenance, and has a long service life in view of the deficiencies of the prior art.
[0004] In order to achieve the above object, the utility model adopts the following technical scheme:
[0005] A door machine fan which is convenient to assemble, characterized in that it includes a base, a fan installation cylinder and an air duct cylinder. A fan is installed in the fan installation cylinder through a bracket. The base is provided with a quick docking device for splicing the air duct cylinder and the fan installation cylinder. The splicing part of the air duct cylinder and the fan installation cylinder is fixedly connected through a quick locking buckle. A protective sleeve for protecting the quick locking buckle is installed at the splicing part of the air duct cylinder and the fan installation cylinder, and the protective sleeve is provided with a circle along the circumferential direction of the splicing end of the fan installation cylinder.
[0006] The technical problem to be solved by the utility model can also be realized by the following technical scheme. The quick docking device includes a fixed seat for the fan installation cylinder and a moving seat for supporting the air duct cylinder. The fixed seat and the moving seat are both provided with arc-shaped grooves which respectively cooperate with the barrel walls of the fan installation cylinder and the air duct cylinder. The two arc-shaped grooves are coaxially arranged. A guide rail cooperating with the moving seat is arranged on the base, and a moving seat driving mechanism is installed at the outer end of the guide rail.
[0007] The technical problem to be solved by the utility model can also be realized by the following technical scheme. A protective net is arranged at the outer end of the fan installation cylinder, and the protective net is installed on the bracket.
[0008] The technical problem to be solved by the present utility model can also be achieved by the following technical solution. An observation window is provided on the air duct cylinder, and a transparent window plate is installed on the observation window. One side of the transparent window plate is hinged to the cylinder wall of the air duct cylinder, and the other side of the transparent window plate is clamped to the cylinder wall of the air duct cylinder.
[0009] The technical problem to be solved by the present utility model can also be achieved by the following technical solution. Positioning grooves for cooperating with the two side edges of the protective sleeve are provided on both the fan installation cylinder and the air duct cylinder. The two sides of the protective sleeve are provided with inward flanging edges that are buckled in the positioning grooves, which not only facilitates the quick positioning of the protective sleeve but also prevents the displacement of the protective sleeve during installation and after installation. At the same time, it can also make rainwater flow downward along the positioning grooves, preventing rainwater from penetrating into the splicing part of the fan installation cylinder and the air duct cylinder, and prolonging the service life of the quick locking buckle.
[0010] The technical problem to be solved by the present utility model can also be achieved by the following technical solution. The protective sleeve is a clamp-type rubber sleeve, which is convenient for replacement and further prolongs the service life of the quick locking buckle.
[0011] The technical problem to be solved by the present utility model can also be achieved by the following technical solution. Junction boxes electrically connected to the fan are provided on the tops of both the fan installation cylinder and the air duct cylinder.
[0012] Compared with the prior art, the present utility model divides the portal crane fan into left and right parts by providing a fan installation cylinder and an air duct cylinder, reducing the transportation difficulty. By providing a quick docking device, the quick docking of the fan installation cylinder and the air duct cylinder is completed, reducing the installation difficulty and achieving quick assembly, saving time and effort. By providing a quick locking buckle, the quick connection of the fan installation cylinder and the air duct cylinder is completed, which is convenient to use. By providing a protective sleeve, it can not only strengthen the connection between the fan installation cylinder and the air duct cylinder, ensure the stability of the connection part, but also prevent water and moisture, and prolong the service life of the quick locking buckle. The structure of the portal crane fan with convenient assembly described in the present utility model is simple and easy to install, improving the transportation and installation efficiency of the portal crane fan and the connection stability of the splicing part, and reducing the installation cost. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a structural diagram of the portal crane fan with convenient assembly described in the present utility model in an unassembled state;
[0014] Figure 2 It is a structural diagram of the assembled portal crane fan;
[0015] Figure 3 It is an installation diagram of the fan.
[0016] In the figure: 1 - base, 2 - guide rail, 3 - fixed seat, 4 - moving seat, 5 - fan mounting cylinder, 6 - air duct cylinder, 7 - junction box, 8 - protective sleeve, 9 - quick locking buckle, 10 - positioning groove, 11 - moving seat driving mechanism, 12 - fan, 13 - inward flanging, 14 - observation window. Specific embodiments
[0017] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.
[0018] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention 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, and therefore should not be construed as a limitation to the present invention.
[0019] Refer to Figures 1-3 , a door machine fan that is convenient to assemble, including a base 1, a fan mounting cylinder 5 and an air duct cylinder 6. A fan 12 is installed in the fan mounting cylinder 5 through a bracket. A quick docking device for splicing the air duct cylinder 6 and the fan mounting cylinder 5 is provided on the base 1. The splicing part of the air duct cylinder 6 and the fan mounting cylinder 5 is fixedly connected through a quick locking buckle 9. A protective sleeve 8 for protecting the quick locking buckle 9 is installed at the splicing part of the air duct cylinder 6 and the fan mounting cylinder 5. The protective sleeve 8 is provided in a circle along the circumferential direction of the splicing end of the fan mounting cylinder 5. The protective sleeve 8 is a clamp-type rubber sleeve; positioning grooves 10 that cooperate with both sides of the protective sleeve 8 are provided on both the fan mounting cylinder 5 and the air duct cylinder 6. Inward flangings 13 that are buckled in the positioning grooves 10 are provided on both sides of the protective sleeve 8. Junction boxes 7 that are electrically connected to the fan are provided on the tops of both the fan mounting cylinder 5 and the air duct cylinder 6.
[0020] The quick docking device includes a fixed seat 3 for the fan mounting cylinder and a moving seat 4 for supporting the air duct cylinder. Arc-shaped grooves that respectively cooperate with the barrel walls of the fan mounting cylinder and the air duct cylinder are provided on both the fixed seat 3 and the moving seat 4. The two arc-shaped grooves are coaxially arranged. A guide rail 2 that cooperates with the moving seat 4 is provided on the base 1. A moving seat driving mechanism 11 is installed at the outer end of the guide rail 2 to realize the electric docking of the fan mounting cylinder 5 and the air duct cylinder 6. The moving seat driving mechanism 11 can adopt any one of the power mechanisms disclosed in the prior art, such as a lead screw mechanism, a motor, a cylinder, an oil cylinder, etc.
[0021] A protective net is provided at the outer end of the fan mounting cylinder 5. The protective net is installed on the bracket to protect the fan 12.
[0022] An observation window 14 is provided on the air duct cylinder 6, and a transparent window plate is installed on the observation window 14. One side of the transparent window plate is hinged to the wall of the air duct cylinder, and the other side of the transparent window plate is clamped to the wall of the air duct cylinder, facilitating the observation of the sanitation and working conditions inside the air duct.
[0023] The working process of the heat transfer device of the present utility model is as follows:
[0024] First, place the fan installation cylinder 5 and the air duct cylinder 6 on the fixed seat 3 and the moving seat 4 respectively. After placing them, under the action of the moving seat driving mechanism 11, make the moving seat approach the fixed seat, so that the fan installation cylinder 5 and the air duct cylinder 6 approach. During the approaching process, through the coaxial and equal-height settings of the arc-shaped grooves, the fan installation cylinder 5 and the air duct cylinder 6 accurately complete centering. After the docking is completed, fix the two with a quick-locking buckle. Then, place a protective sleeve 8 with a certain width at the docking place. The protective sleeve is tightened with a clamp-type rubber sleeve, which not only protects each component at the splicing place, improves the connection stability at the splicing place, but also can prevent water and moisture, thus completing the rapid assembly of the door machine fan, saving time and effort.
[0025] The above is only the preferred specific embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its inventive concept, makes equivalent substitutions or changes, and should be covered within the protection scope of the present utility model.
Claims
1. A door machine fan that is convenient to assemble, characterized in that, It includes a base, a fan installation cylinder and an air duct cylinder. A fan is installed in the fan installation cylinder through a bracket. A quick docking device for splicing the air duct cylinder and the fan installation cylinder is provided on the base. The splicing part of the air duct cylinder and the fan installation cylinder is fixedly connected through a quick locking buckle. A protective sleeve for protecting the quick locking buckle is installed at the splicing part of the air duct cylinder and the fan installation cylinder, and the protective sleeve is provided with a circle along the circumferential direction of the splicing end of the fan installation cylinder.
2. The door machine fan that is convenient to assemble according to claim 1, wherein The quick docking device includes a fixed seat for the fan installation cylinder and a moving seat for supporting the air duct cylinder. Arc-shaped grooves that respectively cooperate with the barrel walls of the fan installation cylinder and the air duct cylinder are provided on both the fixed seat and the moving seat. The two arc-shaped grooves are coaxially arranged. A guide rail that cooperates with the moving seat is provided on the base, and a moving seat driving mechanism is installed at the outer end of the guide rail.
3. The door machine fan that is convenient to assemble according to claim 1, characterized in that, A protective net is provided at the outer end of the fan installation cylinder, and the protective net is installed on the bracket.
4. The door machine fan that is convenient to assemble according to claim 1, wherein An observation window is provided on the air duct cylinder, and a transparent window plate is installed on the observation window. One side of the transparent window plate is hinged to the barrel wall of the air duct cylinder, and the other side of the transparent window plate is clamped to the barrel wall of the air duct cylinder.
5. The door machine fan that is convenient to assemble according to claim 1, wherein Positioning grooves that cooperate with both sides of the protective sleeve are provided on both the fan installation cylinder and the air duct cylinder, and inward flanges that are buckled in the positioning grooves are provided on both sides of the protective sleeve.
6. The door machine fan with convenient assembly according to claim 1, characterized in that, The protective sleeve is a clamp-type rubber sleeve.
7. The door machine fan that is convenient to assemble according to claim 1, wherein Terminal boxes that are electrically connected to the fan are provided at the tops of both the fan installation cylinder and the air duct cylinder.
Citation Information
Patent Citations
A modular positive pressure blower that is easy to disassemble and assemble
CN221033334U