CN211924524U

CN211924524U - Mechanical fan with protection mechanism

Info

Publication number: CN211924524U
Application number: CN202020315700.0U
Authority: CN
Inventors: 何海洋
Original assignee: Nanan Yueqi Machinery Trade Co Ltd
Current assignee: Nanan Yueqi Machinery Trade Co Ltd
Priority date: 2020-03-14
Filing date: 2020-03-14
Publication date: 2020-11-13
Anticipated expiration: 2030-03-14

Abstract

The utility model relates to the technical field of fans, in particular to a mechanical fan with a protection mechanism, which comprises a fixed block, wherein the right end face of the fixed block is fixedly connected with a protection net, a motor is sleeved on the inner side of the fixed block and is fixedly connected with the fixed block, a main shaft of the motor penetrates through the fixed block and the protection net, a fan blade is arranged at the tail end of the main shaft of the motor, the fan blade is rotatably connected with the main shaft of the motor, and the fan blade penetrates through the main shaft of the motor; the utility model discloses in, through the electro-magnet that sets up, first slider, first spring, second slider and second spring, this kind sets up the sliding connection of cooperation electro-magnet and first slider, the fixed connection of first slider and first spring and the fixed connection of second slider and second spring, realized making the device have power-off protection mechanism, make its flabellum and motor shaft separation when meeting with the condition of outage suddenly for the fan, avoid the flabellum to drive motor motion forced under inertial action, guaranteed the life of motor.

Description

Mechanical fan with protection mechanism

Technical Field

The utility model relates to a fan technical field specifically is a fan for machinery with protection machanism.

Background

In order to improve the comfort of the workshop environment, the heat dissipation effect of the machine is enhanced by reducing the ambient temperature, the fan is generally arranged in the workshop and is installed on a roof or a wall, so that a large area can generate wind, and along with the improvement of the technology, the existing mechanical fan with a protection mechanism has certain defects in use, so that the demand on the mechanical fan with the protection mechanism is increased day by day.

The existing mechanical fan with the protection mechanism is lack of an effective power-off protection mechanism, when the fan is subjected to sudden power-off, the motor stops running suddenly, the fan blades can continue to rotate under the action of inertia, and then the motor is driven to move forcibly, so that the motor is easy to damage, the service life of the motor is reduced, in addition, the existing mechanical fan with the protection mechanism cannot effectively protect a motor shaft along with the increase of the service time, the motor shaft is lack of sufficient lubrication, the phenomenon of shaft holding can be generated, and the use of the fan is influenced, so that the mechanical fan with the protection mechanism is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fan for machinery with protection machanism to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a fan with a protection mechanism for machinery comprises a fixed block, wherein a protective net is fixedly connected to the right end face of the fixed block, a motor is sleeved on the inner side of the fixed block, the motor is fixedly connected with the fixed block, a main shaft of the motor penetrates through the fixed block and the protective net, a fan blade is arranged at the tail end of the main shaft of the motor and is rotationally connected with the main shaft of the motor, the fan blade penetrates through the main shaft of the motor, an electromagnet and a second slider are arranged in the fan blade, the electromagnet is fixedly connected with the fan blade, a first slider is slidably connected to the outer side of the electromagnet, a rotating ring is sleeved on the outer side of the main shaft of the motor, an oil storage tank is fixedly connected with the top end face of the fixed block, an oil injection pipe is communicated with the right end face of the oil storage tank and penetrates through, the right end of the top end face of the oil storage tank is hinged with a movable cover.

Preferably, the first slider runs through the fan blade, first slider and fan blade sliding connection, the one end that first slider is located the inboard is the inclined plane setting, the second slider is located first slider right-hand member, second slider and fan blade sliding connection.

Preferably, the first spring is fixedly connected to the outer side of the first sliding block, the other end of the first spring is fixedly connected with the fan blade, the right end face of the second sliding block is fixedly connected with the second spring, and the other end of the second spring is fixedly connected with the fan blade.

Preferably, the main shaft of motor runs through the swivel, the main shaft of motor rotates with the swivel to be connected, the swivel runs through the fixed block, the swivel rotates with the fixed block to be connected, the oiling mouth has been seted up on the swivel, swivel outside fixedly connected with third spring, the other end and the fixed block fixed connection of third spring.

Preferably, the left end of the top end face of the oil storage tank is fixedly connected with a box body, the inner side of the box body is slidably connected with a connecting rod, the connecting rod penetrates through the box body and the oil storage tank, the connecting rod is slidably connected with the oil storage tank, the bottom end face of the connecting rod is fixedly connected with a floating ball, the left end of the inner side of the bottom end face of the box body is fixedly connected with a trigger switch, and the top end face of the box body is fixedly.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, through the arrangement of the electromagnet, the first slider, the first spring, the second slider and the second spring, the arrangement is matched with the sliding connection of the electromagnet and the first slider, the fixed connection of the first slider and the first spring and the fixed connection of the second slider and the second spring, so that the device is provided with a power-off protection mechanism, when the fan encounters the condition of sudden power-off, the fan blades are separated from the motor shaft, the forced driving of the motor by the fan blades under the action of inertia is avoided, and the service life of the motor is ensured;

2. the utility model discloses in, through swivel, oiling mouth, third spring, batch oil tank and the oiling pipe that sets up, the fixed connection of oiling mouth, swivel and third spring and the intercommunication of batch oil tank and oiling pipe that this kind of set up on the cooperation swivel have realized automatic to motor shaft department interpolation lubricating oil, carry out effectual protection to the motor shaft, avoid producing the phenomenon of embracing the axle, guarantee the use of fan.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the structure of FIG. 1 at B according to the present invention;

fig. 4 is a schematic view of the mounting structure of the swivel of the present invention.

In the figure: 1-fixed block, 2-protective screen, 3-motor, 4-flabellum, 5-electromagnet, 6-first slide block, 7-first spring, 8-second slide block, 9-second spring, 10-swivel, 11-oil injection port, 12-third spring, 13-oil storage tank, 14-oil injection pipe, 15-box body, 16-connecting rod, 17-floating ball, 18-trigger switch, 19-prompter, 20-movable cover.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution:

a fan with a protection mechanism for machinery comprises a fixed block 1, a protective net 2 is fixedly connected to the right end face of the fixed block 1, the protection function is achieved due to the arrangement, a motor 3 is sleeved on the inner side of the fixed block 1, the motor 3 is fixedly connected with the fixed block 1, a main shaft of the motor 3 penetrates through the fixed block 1 and the protective net 2, a fan blade 4 is arranged at the tail end of the main shaft of the motor 3, the fan blade 4 is rotatably connected with the main shaft of the motor 3, the fan blade 4 penetrates through the main shaft of the motor 3, an electromagnet 5 and a second slider 8 are arranged in the fan blade 4, the electromagnet 5 is fixedly connected with the fan blade 4, a first slider 6 is slidably connected to the outer side of the electromagnet 5, a rotating ring 10 is sleeved on the outer side of the main shaft of the motor 3, an oil storage tank 13 is fixedly connected to the top end face of the fixed block 1, the arrangement, the other end of the oil filling pipe 14 is positioned right above the swivel 10, and the right end of the top end face of the oil storage tank 13 is hinged with a movable cover 20, so that lubricating oil can be conveniently filled.

The first slide block 6 penetrates through the fan blade 4, the first slide block 6 is connected with the fan blade 4 in a sliding manner, one end of the first slide block 6, which is positioned at the inner side, is arranged in an inclined plane, the second slide block 8 is positioned at the right end of the first slide block 6, the second slide block 8 is connected with the fan blade 4 in a sliding manner, the arrangement is convenient for the first slide block 6 to slide outwards through the second slide block 8, the outer side of the first slide block 6 is fixedly connected with a first spring 7, the other end of the first spring 7 is fixedly connected with the fan blade 4, the right end face of the second slide block 8 is fixedly connected with a second spring 9, the other end of the second spring 9 is fixedly connected with the fan blade 4, the arrangement is convenient for resetting the second slide block 8 and the first slide block 6, the main shaft of the motor 3 penetrates through a rotating ring 10, the main shaft of the motor 3 is rotatably connected with the rotating ring 10, the rotating ring 10 penetrates through the fixed block 1, the rotating ring 10 is rotatably, the other end of the third spring 12 is fixedly connected with the fixed block 1, automatic filling of lubricating oil is facilitated by the arrangement, a box body 15 is fixedly connected to the left end of the top end face of the oil storage tank 13, a connecting rod 16 is slidably connected to the inner side of the box body 15, the connecting rod 16 penetrates through the box body 15 and the oil storage tank 13, the connecting rod 16 is slidably connected with the oil storage tank 13, a floating ball 17 is fixedly connected to the bottom end face of the connecting rod 16, a trigger switch 18 is fixedly connected to the left end of the inner side of the bottom end face of the box body 15, and a prompter 19 is fixedly connected to the top end.

The working process is as follows: when the device is normally used, the electromagnet 5 is electrified to generate magnetism, the second slide block 8 is adsorbed, the second spring 9 is stretched, the second slide block 8 extrudes the first slide block 6 to enable the first slide block 6 to slide outwards, the first spring 7 is compressed at the moment, the first slide block 6 is clamped into the motor 3 when the first slide block 6 passes through a groove formed in the motor 3, the second slide block 8 is contacted with the electromagnet 5, along with the prolonging of the service time of the device, the contact point of a main shaft of the motor 3 and the rotating ring 10 is increased due to lack of lubrication, the friction force is increased, so that the main shaft of the motor 3 can drive the rotating ring 10 to rotate when rotating, the rotating ring 10 is positioned in the fixed block 1 at the moment, the third spring 12 is compressed, and when the oil injection port 11 is aligned with the oil injection pipe 14, the lubricating oil in the oil storage tank 13 falls to the contact point of the main shaft of the motor 3 and the rotary ring 10 through the oil filling pipe 14 and the oil filling port 11, the contact point is lubricated along with the rotation of the main shaft of the motor 3, the friction force between the rotary ring 10 and the main shaft of the motor 3 disappears at the moment, the rotary ring 10 is reset under the action of the elastic force of the third spring 12, so that the oil filling pipe 14 is blocked to wait for next oil filling, and along with the reduction of the lubricating oil in the oil storage tank 13, the floating ball 17 can descend to drive the connecting rod 16 to slide downwards, when the lubricating oil decreases below the alarm line, the connecting rod 16 presses the trigger switch 18, so that the prompter 19 begins to flash and give an alarm, reminds the staff to fill the lubricating oil, when the device is suddenly powered off, the electromagnet 5 loses magnetism, the second spring 9 resets the second sliding block 8, the first spring 7 resets the first sliding block 6, and the fan blade 4 idles at the moment to break contact with the motor 3.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a fan for machinery with protection machanism, includes fixed block (1), its characterized in that: the utility model discloses a motor, including fixed block (1), motor (3), fixed block (1) right-hand member face fixedly connected with protection network (2), motor (3) have been cup jointed to fixed block (1) inboard, motor (3) and fixed block (1) fixed connection, the main shaft of motor (3) runs through fixed block (1) and protection network (2), the main shaft end of motor (3) is equipped with flabellum (4), flabellum (4) are rotated with the main shaft of motor (3) and are connected, flabellum (4) run through the main shaft of motor (3), be equipped with electro-magnet (5) and second slider (8) in flabellum (4), electro-magnet (5) and flabellum (4) fixed connection, electro-magnet (5) outside sliding connection has first slider (6), swivel (10) have been cup jointed in the main shaft outside of motor (3), fixed block (1, oil storage tank (13) bottom end face right-hand member intercommunication has oiling pipe (14), oiling pipe (14) run through fixed block (1), oiling pipe (14) and fixed block (1) fixed connection, the other end of oiling pipe (14) is located swivel (10) directly over, oil storage tank (13) top end face right-hand member articulates there is movable cover (20).

2. The mechanical fan with the protection mechanism according to claim 1, wherein: first slider (6) run through flabellum (4), first slider (6) and flabellum (4) sliding connection, first slider (6) are located the one end of inboard and are the inclined plane setting, second slider (8) are located first slider (6) right-hand member, second slider (8) and flabellum (4) sliding connection.

3. The mechanical fan with the protection mechanism according to claim 1, wherein: the fan blade is characterized in that a first spring (7) is fixedly connected to the outer side of the first sliding block (6), the other end of the first spring (7) is fixedly connected with the fan blade (4), the right end face of the second sliding block (8) is fixedly connected with a second spring (9), and the other end of the second spring (9) is fixedly connected with the fan blade (4).

4. The mechanical fan with the protection mechanism according to claim 1, wherein: the main shaft of motor (3) runs through swivel (10), the main shaft and swivel (10) of motor (3) rotate and are connected, swivel (10) run through fixed block (1), swivel (10) rotate with fixed block (1) and are connected, oiling mouth (11) have been seted up on swivel (10), swivel (10) outside fixedly connected with third spring (12), the other end and fixed block (1) fixed connection of third spring (12).

5. The mechanical fan with the protection mechanism according to claim 1, wherein: oil storage tank (13) top face left end fixedly connected with box body (15), box body (15) inboard sliding connection has connecting rod (16), box body (15) and oil storage tank (13) run through in connecting rod (16), connecting rod (16) and oil storage tank (13) sliding connection, connecting rod (16) bottom face fixedly connected with floater (17), box body (15) bottom face inboard left end fixedly connected with trigger switch (18), box body (15) top face fixedly connected with prompting device (19).