A fan convenient for internal maintenance

Abstract

The utility model discloses a fan that is easy to maintain inside, comprising: a box body, the left end of the box body is fixedly connected to a cover shell by a bolt structure, and the inside of the cover shell is fixedly connected to a fixing assembly, the inside of the fixing assembly is rotatably connected to a first connecting assembly, and the right end of the first connecting assembly is fixedly connected to an impeller; a transmission assembly, which is connected to the outside of the second connecting assembly, the transmission assembly includes an output shaft and a second keyway, and the outside of the transmission assembly is provided with a support assembly; a motor, which is fixedly connected to the right end of the transmission assembly, and the lower end of the motor is fixedly connected to a moving block; a door panel, which is hingedly connected to the front end surface of the box body, and the lower end of the box body is fixedly installed with a tripod. The fan that is easy to maintain inside is easy to split into sections, and the operation is more convenient, which solves the problem that most existing fans are not easy to disassemble for internal maintenance.

Description

Technical Field

[0001] The utility model relates to the technical field of fans, in particular to a fan which is convenient for internal maintenance. Background Art

[0002] Fan is the customary abbreviation for gas compression and gas transportation machinery in my country. It is a machine that converts rotational mechanical energy into gas pressure energy and kinetic energy and transports the gas. The fans commonly referred to include ventilators, blowers and wind turbines. The main structural components of the fan are impeller, casing, air inlet, bracket, motor, pulley, coupling, muffler, transmission parts, etc.

[0003] However, most of the fans currently on the market still have some shortcomings when in use, for example: most of the existing fans are not easy to disassemble for internal maintenance, and most of them are difficult to split into sections, which is inconvenient to operate and has certain usage defects. Therefore, we propose a fan that is easy to internally maintain in order to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a fan which is easy to maintain internally, so as to solve the problem in the above background technology that most of the existing fans are not easy to disassemble for internal maintenance, and most of them are difficult to split into sections, which makes the operation inconvenient.

[0005] To achieve the above purpose, the utility model provides the following technical solution: a fan that is convenient for internal maintenance, comprising:

[0006] A box body, wherein the left end of the box body is fixedly connected to a cover shell by a bolt structure, and the inside of the cover shell is fixedly connected to a fixing assembly, and the fixing assembly includes a fixing block, a connecting groove and a ball, the inside of the fixing assembly is rotatably connected to a first connecting assembly, and the first connecting assembly includes a first connecting shaft and a groove, the right end of the first connecting assembly is fixedly connected to an impeller, and the right end of the impeller is fixedly connected to a second connecting assembly, and the second connecting assembly includes a second connecting shaft and a first keyway;

[0007] A transmission assembly connected to the outside of the second connection assembly, the transmission assembly comprising an output shaft and a second keyway, a support assembly is arranged on the outside of the transmission assembly, and the support assembly comprises a support frame and an oil groove, and the lower end of the support assembly is fixedly connected to a fixing frame, and the upper end of the second connection assembly is connected to a limit pin;

[0008] A motor is fixedly connected to the right end of the transmission assembly, a moving block is fixedly connected to the lower end of the motor, and a connecting block is fixedly connected to the lower end of the moving block, a mounting seat is fixedly installed at the lower end of the box, and a connecting rod is connected to the inside of the mounting seat;

[0009] The door panel is hingedly connected to the front end surface of the box body, and a tripod is fixedly installed at the lower end of the box body.

[0010] Preferably, the fixing block is fixedly connected to the inside of the housing, and a connecting groove is provided inside the fixing block, and a round ball is rotatably connected inside the connecting groove.

[0011] Preferably, a groove is formed on the outer surface of the first connecting shaft, and the ball is in rolling connection with the first connecting shaft through the groove.

[0012] Preferably, a first keyway is formed on the outer end surface of the second connecting shaft, and the limiting pin is snap-connected with the second connecting shaft via the first keyway.

[0013] Preferably, the vertical cross-section of the support frame is arranged in a "U" shape, and an oil groove is provided on the inner surface of the support frame, and the fixing frame is arranged symmetrically front and back about the vertical center line of the support frame.

[0014] Preferably, the support frame is internally rotatably connected with an output shaft, a second keyway is provided inside the output shaft, and the limit pin is snap-fittedly connected with the output shaft via the second keyway.

[0015] Preferably, a sliding connection is formed between the output shaft and the second connecting shaft.

[0016] Preferably, the connecting block is slidably connected inside the mounting seat, and the connecting block and the connecting rod are connected in a threaded manner, and the right end of the connecting rod is fixedly connected with the adjusting block.

[0017] Compared with the prior art, the utility model has the following beneficial effects: the fan that is convenient for internal maintenance is convenient for segmentation and operation is more convenient, which solves the problem that most of the existing fans are not convenient for disassembly for internal maintenance;

[0018] 1. A fixing block, a first connecting component and a round ball are provided. The fixing component supports the first connecting component. The round ball can reduce the rotational friction between the fixing component and the first connecting component. By pulling the second connecting component to the right, the first connecting component can be pulled out from the inside of the fixing component, and the impeller can be disassembled and repaired.

[0019] 2. A connecting rod, a connecting block and a transmission assembly are provided. By rotating the door panel to open it and rotating the adjusting block clockwise, the connecting block can slide to the right inside the mounting seat, thereby driving the motor and the transmission assembly to move to the right. Since the output shaft and the second connecting shaft form a sliding connection, the transmission assembly and the second connecting assembly can be separated, which is convenient to operate.

[0020] 3. A transmission assembly, a second connecting assembly and a limit pin are provided. The second connecting assembly is driven to rotate by the transmission assembly, so that the impeller can be driven to rotate. Since the limit pin is engaged with the second connecting shaft and the output shaft through the first keyway and the second keyway respectively, after the transmission assembly moves to the right to separate the second connecting assembly from the transmission assembly, the limit pin can be taken out for replacement, which is easy to operate and more practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0022] Figure 2 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0023] Figure 3 For this utility model Figure 1 The enlarged structural diagram at B in the middle;

[0024] Figure 4 This is a schematic diagram of the side cross-sectional structure of the connection between the moving block and the connecting block of the utility model;

[0025] Figure 5 This is a schematic diagram of the side cross-sectional structure of the connection between the support assembly and the fixing frame of the utility model;

[0026] Figure 6 This is a schematic diagram of the side cross-sectional structure of the connection between the transmission assembly and the motor of the utility model;

[0027] Figure 7 It is a side structural schematic diagram of the utility model.

[0028] In the figure: 1. casing; 2. cover; 3. fixing assembly; 301. fixing block; 302. connecting groove; 303. ball; 4. first connecting assembly; 401. first connecting shaft; 402. groove; 5. impeller; 6. second connecting assembly; 601. second connecting shaft; 602. first keyway; 7. supporting assembly; 701. supporting frame; 702. oil tank; 8. fixing frame; 9. transmission assembly; 901. output shaft; 902. second keyway; 10. motor; 11. moving block; 12. connecting block; 13. mounting seat; 14. connecting rod; 15. adjusting block; 16. door panel; 17. tripod; 18. limit pin. DETAILED DESCRIPTION

[0029] 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.

[0030] See also Figure 1-7 The utility model provides a technical solution: a fan that is easy to maintain internally, comprising: a cover 2 is fixedly connected to the left end of a box body 1 by a bolt structure, and a foot stand 17 is fixedly installed at the lower end of the box body 1, combined with Figure 1 and Figure 2 As shown in the figure, the interior of the housing 2 is fixedly connected with a fixing assembly 3, and the fixing assembly 3 includes a fixing block 301, a connecting groove 302 and a ball 303. The interior of the fixing assembly 3 is rotatably connected with a first connecting assembly 4, and the first connecting assembly 4 includes a first connecting shaft 401 and a groove 402. The right end of the first connecting assembly 4 is fixedly connected with an impeller 5, and the right end of the impeller 5 is fixedly connected with a second connecting assembly 6. The outer end surface of the second connecting shaft 601 is provided with a first keyway 602, combined with Figure 3 and Figure 6 As shown in the figure, the transmission assembly 9 is driven to rotate by the motor 10. Since the limit pin 18 is engaged with the second connecting shaft 601 and the output shaft 901 through the first keyway 602 and the second keyway 902, respectively, the second connecting assembly 6 is driven to rotate by the transmission assembly 9, that is, the impeller 5 can be driven to rotate;

[0031] Specific as Figure 1 and Figure 2 As shown in , the outer side of the second connecting component 6 is connected with a transmission component 9, and the transmission component 9 includes an output shaft 901 and a second keyway 902, a support component 7 is arranged on the outer side of the transmission component 9, and the support component 7 includes a support frame 701 and an oil groove 702, and the lower end of the support component 7 is fixedly connected with a fixing frame 8, and the fixing frame 8 is symmetrically arranged front and back about the vertical center line of the support frame 701 to support the support component 7, because the fixing block 301 is fixedly connected to the inside of the cover 2, and the fixing block 301 is provided with a connecting groove 302, and the connecting groove 302 is rotatably connected with a ball 303 inside, and the outer surface of the first connecting shaft 401 is provided with a groove 402, and the ball 303 is rollingly connected with the first connecting shaft 401 through the groove 402, and the first connecting component 4 is supported by the fixing component 3, and the rotational friction between the fixing component 3 and the first connecting component 4 can be reduced by the ball 303;

[0032] Specific as Figure 1 , Figure 4 and Figure 5 As shown in , the right end of the transmission assembly 9 is fixedly connected to the motor 10, and the lower end of the motor 10 is fixedly connected to the moving block 11, and the lower end of the moving block 11 is fixedly connected to the connecting block 12. Since the connecting block 12 is slidably connected to the inside of the mounting seat 13, and the connection between the connecting block 12 and the connecting rod 14 is a threaded connection, and the right end of the connecting rod 14 is fixedly connected to the adjusting block 15, by rotating the adjusting block 15 clockwise, the connecting block 12 can slide to the right inside the mounting seat 13, as shown in FIG. Figure 6 As shown in the figure, the output shaft 901 is rotatably connected to the inside of the support frame 701, and a second keyway 902 is provided inside the output shaft 901. Since the vertical section of the support frame 701 is in a "U" shape, and an oil groove 702 is provided on the inner surface of the support frame 701, lubricating oil can be added to the oil groove 702.

[0033] Specific as Figure 1 and Figure 7 As shown in, since the door panel 16 is hingedly connected to the front end surface of the box body 1, when using the fan that is easy to maintain inside, first rotate the door panel 16 to open it, and by rotating the adjustment block 15 clockwise, the connecting block 12 can slide to the right inside the mounting seat 13, thereby driving the motor 10 and the transmission assembly 9 to move right. Since a sliding connection is formed between the output shaft 901 and the second connecting shaft 601, the transmission assembly 9 and the second connecting assembly 6 can be separated. Similarly, by pulling the second connecting assembly 6 to the right, the first connecting assembly 4 can be pulled out from the interior of the fixed assembly 3, and then the impeller 5 can be disassembled and repaired. This is the method of using the fan that is easy to maintain inside.

[0034] The standard parts used in the utility model can be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The content not described in detail in this specification belongs to the prior art known to professional and technical personnel in this field.

[0035] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A fan that is easy to maintain internally, characterized in that: include: A casing (1), wherein the left end of the casing (1) is fixedly connected to a casing (2) via a bolt structure, and the casing (2) is fixedly connected to a fixing assembly (3) inside, and the fixing assembly (3) comprises a fixing block (301), a connecting groove (302) and a ball (303), the fixing assembly (3) is rotatably connected to a first connecting assembly (4) inside, and the first connecting assembly (4) comprises a first connecting shaft (401) and a groove (402), the right end of the first connecting assembly (4) is fixedly connected to an impeller (5), and the right end of the impeller (5) is fixedly connected to a second connecting assembly (6), and the second connecting assembly (6) comprises a second connecting shaft (601) and a first keyway (602); A transmission assembly (9) connected to the outside of the second connection assembly (6), the transmission assembly (9) comprising an output shaft (901) and a second keyway (902), a support assembly (7) being arranged on the outside of the transmission assembly (9), the support assembly (7) comprising a support frame (701) and an oil groove (702), and a fixing frame (8) being fixedly connected to the lower end of the support assembly (7), and a limit pin (18) being connected to the upper end of the second connection assembly (6); A motor (10) is fixedly connected to the right end of the transmission assembly (9); a moving block (11) is fixedly connected to the lower end of the motor (10); a connecting block (12) is fixedly connected to the lower end of the moving block (11); a mounting seat (13) is fixedly installed at the lower end of the housing (1); and a connecting rod (14) is connected to the inside of the mounting seat (13); The door panel (16) is hingedly connected to the front end surface of the box body (1), and a footrest (17) is fixedly mounted on the lower end of the box body (1).

2. A fan for easy internal maintenance according to claim 1, characterized in that: The fixing block (301) is fixedly connected to the inside of the cover shell (2), and a connecting groove (302) is provided inside the fixing block (301), and a round ball (303) is rotatably connected inside the connecting groove (302).

3. A fan for easy internal maintenance according to claim 1, characterized in that: The outer surface of the first connecting shaft (401) is provided with a groove (402), and the ball (303) is connected to the first connecting shaft (401) in a rolling manner through the groove (402).

4. A fan for easy internal maintenance according to claim 1, characterized in that: The outer end surface of the second connecting shaft (601) is provided with a first key groove (602), and the limiting pin (18) is engaged with the second connecting shaft (601) through the first key groove (602).

5. The fan for convenient internal maintenance according to claim 1, characterized in that: The vertical cross-section of the support frame (701) is arranged in a "U" shape, and an oil groove (702) is provided on the inner surface of the support frame (701), and the fixing frame (8) is arranged symmetrically front and back with respect to the vertical center line of the support frame (701).

6. A fan for easy internal maintenance according to claim 5, characterized in that: The support frame (701) is rotatably connected to an output shaft (901) inside, and a second keyway (902) is provided inside the output shaft (901), and the limit pin (18) is engaged with the output shaft (901) through the second keyway (902).

7. A fan for convenient internal maintenance according to claim 6, characterized in that: The output shaft (901) and the second connecting shaft (601) are in sliding connection with each other.

8. The fan for convenient internal maintenance according to claim 1, characterized in that: The connection block (12) is slidably connected inside the mounting seat (13), and the connection between the connection block (12) and the connection rod (14) is threaded, and the right end of the connection rod (14) is fixedly connected with an adjustment block (15).

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