Mesh cover and fan blade separation structure of fan

Abstract

The utility model relates to the technical field of fans, and discloses a fan mesh enclosure fan blade separating structure which comprises a base, a supporting frame is fixedly installed at the top end of the base, a machine body is rotatably installed at the top end of the supporting frame, and a front mesh enclosure and a rear mesh enclosure are movably installed on the outer side of the machine body. A working motor is fixedly installed in the base, a driving gear is fixedly installed at the output shaft end of the working motor, a gear strip is fixedly installed on the back side of the machine body, the driving gear and the gear strip are connected in a meshed mode, and the gear strip is in a circular arc shape; according to the fan, after the front mesh enclosure is disassembled, the fan blades can be disassembled by screwing off the fan blade head, after the locking nut is screwed off, the rear mesh enclosure can be pulled out and disassembled from the output shaft direction of the machine body, cleaning by a consumer can be greatly facilitated, the rear mesh enclosure of the fan is convenient and rapid to assemble and disassemble, and user experience is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fans, in particular to a mesh cover and blade separation structure of a fan. Background Art

[0002] An electric fan, also known as a fan or blower, is a household appliance that uses an electric motor to rotate blades to accelerate air circulation. It is primarily used for cooling and ventilation. It is widely used in homes, classrooms, offices, shops, hospitals, and hotels.

[0003] However, after the existing fan has been used for a period of time, some dust will accumulate on the mesh cover, and the front and rear mesh covers need to be disassembled for cleaning. However, the rear mesh cover is difficult to disassemble and inconvenient to clean. Utility Model Content

[0004] The purpose of the present invention is to provide a fan mesh cover and blade separation structure to solve the problems raised in the above background technology.

[0005] Technical Solution

[0006] The utility model provides the following technical solution: a mesh cover and blade separation structure of a fan, comprising a base, a support frame fixedly mounted on the top of the base, a body rotatably mounted on the top of the support frame, a front mesh cover and a rear mesh cover movably mounted on the outer sides of the body, a working motor fixedly mounted in the base, a driving gear fixedly mounted on the output shaft end of the working motor, a gear bar fixedly mounted on the back side of the body, the driving gear and the gear bar being meshed and connected, and the gear bar is arc-shaped.

[0007] Preferably, the output shaft of the machine body is T-shaped, a fan blade is limitedly installed on the surface of the output shaft of the machine body, a fan blade head is threadedly sleeved on the front end of the output shaft of the machine body, and the fan blade head fits tightly to the front end of the fan blade.

[0008] Preferably, the rear mesh cover includes a sleeve and a cover body, the sleeve is fixedly installed inside the cover body, a baffle is penetrated at the front end of the sleeve, a through hole is penetrated on the surface of the baffle, the output shaft of the body is penetrated and arranged on the inner wall of the through hole, a slot is penetrated on the surface of the sleeve, a limit head is fixed on the front end of the slot, a through slot is penetrated on the surface of the cover body, the end of the slot away from the limit head is connected with the through slot, the sleeve is slidably sleeved on the surface of the body, the end of the support frame is slidably sleeved on the inner wall of the slot and fits with the limit head, the support frame is inserted into the inner wall of the through slot, a shell is concavely provided on the surface of the cover body, the gear bar is sleeved on the inner wall of the shell, and the end of the gear bar away from the body is detachably fixed on the front end of the shell.

[0009] Preferably, a bottom cover is fixedly mounted on the rear end of the machine body, and the gear bar is fixedly connected to the bottom cover.

[0010] Preferably, a threaded head is protruding from the front end of the body, the output shaft of the body passes through and rotates on the surface of the threaded head, a locking nut is threadedly sleeved on the threaded head, and the baffle is installed between the locking nut and the body.

[0011] Beneficial effects

[0012] Compared with the prior art, the present invention provides a fan mesh cover and blade separation structure, which has the following beneficial effects:

[0013] After removing the front mesh cover, the fan blades can be removed by unscrewing the fan head. After unscrewing the locking nut, the rear mesh cover can be pulled out from the output shaft direction of the body for removal, which greatly facilitates consumers to clean and makes the fan's rear mesh cover easy and quick to install and remove, improving user experience.

[0014] Through the cooperation of the driving gear and the gear bar, the entire fan can be shaken up and down. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation to the present invention.

[0016] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the overall structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the front mesh structure of the utility model;

[0019] Figure 4 This is a schematic diagram of the decomposition of the fan blade structure of the utility model;

[0020] Figure 5 This is a schematic cross-sectional view of the base structure of the utility model;

[0021] Figure 6 This is a schematic diagram of the sleeve structure of the utility model;

[0022] Figure 7 This is a schematic diagram of the baffle structure of the utility model;

[0023] Figure 8 This is a schematic diagram of the bottom cover structure of the utility model.

[0024] In the figure: 1. front mesh cover; 2. fan head; 3. fan blade; 4. locking nut; 5. rear mesh cover; 51. sleeve; 52. cover body; 53. slot; 54. limit head; 55. baffle; 56. sleeve; 57. through slot; 6. body; 61. bottom cover; 7. gear bar; 8. driving gear; 9. base; 91. support frame. DETAILED DESCRIPTION

[0025] See also Figures 1-8 A fan mesh cover and blade separation structure includes a base 9, a support frame 91 is fixedly installed on the top of the base 9, a body 6 is rotatably installed on the top of the support frame 91, a front mesh cover 1 and a rear mesh cover 5 are movably installed on the outside of the body 6, a working motor is fixedly installed in the base 9, a driving gear 8 is fixedly installed on the output shaft end of the working motor, a gear bar 7 is fixedly installed on the back side of the body 6, the driving gear 8 and the gear bar 7 are meshed and connected, and the gear bar 7 adopts an arc shape;

[0026] The output shaft of the body 6 is T-shaped, and the surface of the output shaft of the body 6 is limitedly installed with a fan blade 3. The front end of the output shaft of the body 6 is threadedly sleeved with a fan blade head 2, and the fan blade head 2 fits tightly against the front end of the fan blade 3;

[0027] The rear mesh cover 5 includes a sleeve 51 and a cover body 52. ​​The sleeve 51 is fixedly installed inside the cover body 52. ​​A baffle 55 is provided at the front end of the sleeve 51. A through hole is provided on the surface of the baffle 55. The output shaft of the body 6 is provided on the inner wall of the through hole. A slot 53 is provided on the surface of the sleeve 51. A limit head 54 is fixed at the front end of the slot 53. A through slot 57 is provided on the surface of the cover body 52. ​​The end of the slot 53 away from the limit head 54 is connected to the through slot 57. The sleeve 51 is slidably sleeved on the surface of the body 6. The end of the support frame 91 is slidably sleeved on the inner wall of the slot 53 and fits with the limit head 54. The support frame 91 is inserted into the inner wall of the through slot 57. A sleeve shell 56 is provided on the surface of the cover body 52. ​​The gear bar 7 is sleeved on the inner wall of the sleeve shell 56. The end of the gear bar 7 away from the body 6 is detachably fixed to the front end of the sleeve shell 56.

[0028] A bottom cover 61 is fixedly mounted on the rear end of the body 6, and the gear bar 7 is fixedly connected to the bottom cover 61;

[0029] A threaded head is protruding from the front end of the body 6 , and the output shaft of the body 6 penetrates and rotates on the surface of the threaded head. A locking nut 4 is threadedly sleeved on the threaded head, and a baffle 55 is installed between the locking nut 4 and the body 6 .

[0030] Working principle: Remove the fan head 2 and the fan blade 3 from the output shaft surface of the body 6 in turn, and then sleeve 51 is sleeved on the surface of the body 6. During the process, the through slot 57 will pass through the support frame 91, and the side wall of the body bottom cover 61 will be inserted into the inner wall of the slot 53. The end of the support frame 91 will also be on the inner wall of the slot 53 and limited by the limit head 54. The gear bar 7 is sleeved inside the sleeve 56, and the end of the gear bar 7 is snap-fitted with the front end of the sleeve 56 to achieve fixed installation of the gear bar 7 and the cover 52. When the baffle 55 is fitted on the front end of the body 6, the locking nut 4 is connected to the threaded head. The locking nut 4 and the front end of the body 6 clamp the baffle 55 and fix it, and then the fan blade 3 is limitedly sleeved on the output shaft surface of the body 6, so that the fan blade 3 can move synchronously with the output shaft of the body 6, and then the fan blade head 2 is threadedly connected to the front end of the output shaft of the body 6 to prevent the fan blade 3 from falling when rotating with the output shaft of the body 6. Then the front mesh cover 1 is clamped with the cover body 52 and fixed with screws to complete the installation of the entire fan. Then, the working motor is started to drive the driving gear 8 to rotate, and the gear bar 7 engaged with the driving gear 8 can drive the body 6 to swing up and down.

Claims

1. A fan screen and blade separation structure, comprising a base (9), characterized in that: A support frame (91) is fixedly mounted on the top of the base (9), a body (6) is rotatably mounted on the top of the support frame (91), a front mesh cover (1) and a rear mesh cover (5) are movably mounted on the outer sides of the body (6), a working motor is fixedly mounted in the base (9), a driving gear (8) is fixedly mounted on the output shaft end of the working motor, a gear bar (7) is fixedly mounted on the back side of the body (6), the driving gear (8) and the gear bar (7) are meshed and connected, and the gear bar (7) is in an arc shape.

2. The fan mesh cover and blade separation structure according to claim 1, characterized in that: The output shaft of the machine body (6) is T-shaped, and a fan blade (3) is limitedly mounted on the surface of the output shaft of the machine body (6). A fan blade head (2) is threadedly sleeved on the front end of the output shaft of the machine body (6), and the fan blade head (2) is tightly fitted on the front end of the fan blade (3).

3. The fan mesh cover and blade separation structure according to claim 2, characterized in that: The rear mesh cover (5) comprises a sleeve (51) and a cover body (52), wherein the sleeve (51) is fixedly mounted inside the cover body (52), a baffle (55) is provided through the front end of the sleeve (51), a through hole is provided through the surface of the baffle (55), an output shaft of the machine body (6) is provided through the inner wall of the through hole, a slot (53) is provided through the surface of the sleeve (51), a limit head (54) is fixedly mounted at the front end of the slot (53), a through slot (57) is provided through the surface of the cover body (52), and the slot (53) is provided in a manner similar to the embodiment of the present invention. ) is connected to the through slot (57) at one end away from the limit head (54), the sleeve (51) is slidably sleeved on the surface of the body (6), the end of the support frame (91) is slidably sleeved on the inner wall of the slot (53) and fits with the limit head (54), the support frame (91) is inserted into the inner wall of the through slot (57), the surface of the cover body (52) is concavely provided with a sleeve (56), the gear bar (7) is sleeved on the inner wall of the sleeve (56), and the end of the gear bar (7) away from the body (6) is detachably fixedly mounted on the front end of the sleeve (56).

4. The fan mesh cover and blade separation structure according to claim 3, characterized in that: A bottom cover (61) is fixedly mounted on the rear end of the machine body (6), and the gear bar (7) is fixedly connected to the bottom cover (61).

5. The fan mesh cover and blade separation structure according to claim 4, characterized in that: The front end of the machine body (6) is provided with a threaded head protruding therefrom, the output shaft of the machine body (6) penetrates and rotates on the surface of the threaded head, the threaded head is threadedly sleeved with a locking nut (4), and the baffle (55) is installed between the locking nut (4) and the machine body (6).

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