CN218624755U

CN218624755U - Fan with outer protective frame without cleaning dead angle

Info

Publication number: CN218624755U
Application number: CN202222908925.9U
Authority: CN
Inventors: 魏亮
Original assignee: Shenzhen Xinxu Plastic Hardware Co ltd
Current assignee: Shenzhen Xinxu Plastic Hardware Co ltd
Priority date: 2022-11-02
Filing date: 2022-11-02
Publication date: 2023-03-14
Anticipated expiration: 2032-11-02

Abstract

The utility model relates to the technical field of fans, in particular to a fan with an outer protective frame without cleaning dead angles, which comprises an upper protective frame and a lower protective frame which are symmetrically arranged up and down, wherein a screw rod in threaded connection with the upper protective frame is vertically arranged in two corners of the lower protective frame close to the rear side surface, the bottom end of the screw rod is coaxially connected with a second helical gear, a first helical gear vertically meshed with the second helical gear is arranged below the second helical gear, the two first helical gears are coaxially connected with a same first rotating rod, one end of the first rotating rod extends out of the lower protective frame and is coaxially connected with a first hand wheel; the fan is arranged on the bottom surface of the inner part of the lower protective frame, which is close to the rear side surface. The utility model discloses an go up the protective frame and can separate with lower protective frame, make the clearance dead angle on last protective frame and the lower protective frame contact easily, convenient clearance.

Description

Fan with outer protective frame without cleaning dead angle

Technical Field

The utility model relates to a fan technical field, specifically speaking relates to a fan at outer protective frame does not have washing dead angle.

Background

Often need radiator fan to cool down operational environment in industrial production, in fan working process, the fan adsorbs the dust easily, leads to collecting a large amount of dusts easily on flabellum and protective frame, needs in time to clear up.

The utility model discloses a large-scale fan of industry convenient to dismantle in utility model patent that publication number is CN210623136U, including supporting mechanism, servo motor, blade and fan casing, the servo motor output passes through shaft coupling fixedly connected with rectangle pivot, and rectangle pivot outside cover has the blade, and one side that servo motor was kept away from to servo motor between servo motor and the blade and blade all is equipped with the fan casing, can dismantle the connection through fastening bolt between two fan casings, and servo motor bottom surface fixedly connected with connecting rod.

The utility model sets the connection part of the blade and the rectangular rotating shaft into rectangular connection, and utilizes the bearing on the fan cover to carry out clamping, thereby facilitating the disassembly and assembly of the blade and facilitating the cleaning and replacement of the blade in the later period; through setting up L type fixed plate and supporting mechanism, can realize the conversion of industrial fan on ground and wall, install according to the factory building demand, but after long-term the use, collect a large amount of dusts easily on the fan casing and the fan leaf, if dismantle the clearance, can consume a large amount of times and still need reassembly, so often choose not to dismantle the clearance, but not dismantle the clearance effect of clearance relatively poor, and some dead angles are more difficult to clear up moreover.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fan at outer protective frame does not have washing dead angle to solve the difficult clearance problem in fan casing dead angle that provides among the above-mentioned background art.

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

a fan with an outer protective frame free of cleaning dead angles comprises an upper protective frame and a lower protective frame which are arranged in an up-and-down symmetrical mode, wherein screw rods in threaded connection with the upper protective frame are vertically arranged in two corners of the lower protective frame, which are close to the rear side face, the bottom end of each screw rod is coaxially connected with a second helical gear, a first helical gear vertically meshed with the second helical gear is arranged below the second helical gear in a tilted mode, the two first helical gears are coaxially connected to the same first rotating rod, one end of each first rotating rod extends out of the lower protective frame, and a first hand wheel is coaxially connected to one end of each first rotating rod; and a fan is arranged on the bottom surface inside the lower protective frame and close to the rear side surface.

Preferably, two corners of the top surface of the lower protection frame, which are close to the front side surface, are vertically fixed with limiting rods in sliding connection with the upper protection frame, and the length of each limiting rod is smaller than the height of the upper protection frame.

Preferably, the front side surfaces of the upper protective frame and the lower protective frame are provided with semicircular grooves near the space between the upper protective frame and the lower protective frame, the mutual connection positions of the two semicircular grooves are respectively and fixedly provided with a partition plate, and a plurality of semicircular protective guards with gradually-increased radiuses are radially fixed on the partition plates in the semicircular grooves.

Preferably, the left side surface and the right side surface of the upper protective frame and the lower protective frame are regularly provided with a plurality of ventilation fences.

As preferred, go up the protective frame the trailing flank of protective frame all is equipped with adjustment mechanism down, adjustment mechanism is including rotating the second bull stick of connecting in the frame, the wherein one end of second bull stick extends to outside the frame and coaxial coupling has the second hand wheel, the lateral wall rule of second bull stick is fixed with a plurality of first regulation ropes of winding into annular, equidistant being equipped with a plurality of baffles that distribute from top to bottom in the annular of first regulation rope, two long limit ends of baffle are fixed simultaneously same on the first regulation rope.

Preferably, a plurality of second adjusting ropes penetrating through the baffle are arranged in the ring of the first adjusting rope at equal intervals in parallel, and two ends of each second adjusting rope are fixed on the first adjusting rope.

Preferably, the fan comprises a support fixed to the bottom surface inside the lower protective frame, a motor is fixed to the support, an output shaft of the motor is coaxially connected with a rotating shaft, and a plurality of fan blades are regularly installed on the outer side wall of the rotating shaft.

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

the utility model discloses a through last protective frame, lower protective frame, first bull stick, first helical gear, second helical gear and the lead screw that sets up, it is rotatory to drive first helical gear through rotatory first bull stick, and first helical gear drives the second helical gear rotation again, and the second helical gear drives the lead screw and rotates, makes and goes up protective frame upward movement, makes the inside difficult abluent dead angle of protective frame and lower protective frame contact easily, makes things convenient for personnel to clean in time, avoids the deposition to influence work.

Drawings

Fig. 1 is a schematic view of the overall structure of the utility model;

fig. 2 is a schematic view of the overall structure of the utility model;

FIG. 3 is a schematic view of the upper protective frame of the utility model;

FIG. 4 is a schematic view of a partial structure of the utility model;

FIG. 5 is a schematic view of a partial structure of the utility model;

fig. 6 is a schematic partial structure diagram of the adjusting mechanism of the utility model.

In the figure:

1. an upper protection frame;

2. a lower protection frame; 20. a first hand wheel; 21. a first rotating lever; 22. a first helical gear; 23. a second helical gear; 24. a screw rod; 25. a limiting rod;

3. protecting the fence;

4. a ventilation fence;

5. an adjustment mechanism; 50. a second hand wheel; 51. a second rotating rod; 52. a first adjustment cord; 53. a second adjustment cord; 54. a baffle plate;

6. a fan; 60. a support; 61. a motor; 62. a rotating shaft; 63. a fan blade.

Detailed Description

The technical solution in the present invention will be clearly and completely described below with reference to the drawings in the present invention, and obviously, the described utility model is only a part of the utility model, not all of the utility model. Based on utility model provides a, all other utility model that the ordinary skilled person in the art obtained under the prerequisite of not making creative work all belong to the utility model discloses the scope of protection.

Referring to fig. 1-6, the present invention provides a technical solution:

a fan with an outer protective frame free of cleaning dead angles comprises an upper protective frame 1 and a lower protective frame 2 which are arranged in an up-down symmetrical mode, a screw rod 24 in threaded connection with the upper protective frame 1 is vertically arranged in each of two corners of the lower protective frame 2 close to the rear side face, the bottom end of the screw rod 24 is coaxially connected with a second bevel gear 23, a first bevel gear 22 vertically meshed with the second bevel gear is arranged obliquely below the second bevel gear 23, the two first bevel gears 22 are coaxially connected to the same first rotating rod 21, one end of the first rotating rod 21 extends out of the lower protective frame 2 and is coaxially connected with a first bevel gear 20; the fan 6 is arranged on the bottom surface of the inner portion of the lower protection frame 2 close to the rear side face, the first rotating rod 21 can be rotated to control the two screw rods 24 to rotate, so that the upper protection frame 1 is lifted, and dead angles in the upper protection frame 1 and the lower protection frame 2 can be cleaned conveniently.

In this embodiment, two corners of the top surface of the lower protection frame 2 near the front side surface are both vertically fixed with a limiting rod 25 slidably connected with the upper protection frame 1, and the length of the limiting rod 25 is smaller than the height of the upper protection frame 1, so as to limit the movement of the upper protection frame 1, and make the rising process of the upper protection frame 1 smoother.

Specifically, the front side surfaces of the upper protective frame 1 and the lower protective frame 2 are close to the position between the two and are provided with semi-circular grooves, the mutual connection positions of the two semi-circular grooves are fixed with partition plates, a plurality of semi-circular protective guards 3 with gradually-changed radiuses are radially fixed on the partition plates in the semi-circular grooves, the smooth blowing of the fan is guaranteed, and the protective guards 3 also play a role in protecting the fan.

Specifically, the left side surface and the right side surface of the upper protective frame 1 and the lower protective frame 2 are regularly provided with the plurality of air permeable fences 4, so that air in the fan is smooth, and the heat dissipation efficiency of the fan is improved better.

Furthermore, the rear side surfaces of the upper protective frame 1 and the lower protective frame 2 are both provided with an adjusting mechanism 5, the adjusting mechanism 5 comprises a second rotating rod 51 which is rotatably connected in the frame body, one end of the second rotating rod 51 extends out of the frame body and is coaxially connected with a second hand wheel 50, the outer side wall of the second rotating rod 51 is regularly fixed with a plurality of first adjusting ropes 52 which are wound into a ring shape, a plurality of baffle plates 54 which are distributed up and down are arranged in the ring shape of the first adjusting ropes 52 at equal intervals, two long edge ends of the baffle plates 54 are simultaneously fixed on the same first adjusting rope 52, when no air circulation exists on the rear side surface of the upper protective frame 1, the second hand wheel 50 is rotated, the second hand wheel 50 drives the second rotating rod 51 to rotate, one end of the first adjusting rope 52 is raised, the other end is lowered, the baffle plates 54 are deflected by 90 degrees and closed, and dust falling can be prevented when no fan works; the second rotating rod 51 can be set to be a threaded rod, so that the second rotating rod can be conveniently kept in an immovable state after being rotated.

It is worth noting that a plurality of second adjusting ropes 53 penetrating through the baffle 54 are arranged in parallel in the ring shape of the first adjusting rope 52 at equal intervals, two ends of each second adjusting rope 53 are fixed on the first adjusting rope 52, and the first adjusting rope 52 is matched to enable the baffle 54 to deflect more smoothly.

It is worth to be noted that the fan 6 includes a support 60 fixed on the bottom surface inside the lower protective frame 2, a motor 61 is fixed on the support 60, an output shaft of the motor 61 is coaxially connected with a rotating shaft 62, a plurality of fan blades 63 are regularly installed on the outer side wall of the rotating shaft 62, and the output shaft of the motor 61 drives the rotating shaft 62 and the fan blades 63 thereon to perform heat dissipation work.

Finally, it should be noted that, the utility model discloses well parts such as motor 61 are the parts that general standard spare or technical staff in the field know, and its structure and principle all are that this technical staff all can learn or learn through conventional experimental method through the technical manual, in the idle department of this device, with all electrical parts in the aforesaid, its controller and the power that indicates power element, electrical part and adaptation are connected through the wire, and concrete connection means should refer to the utility model provides a theory of operation accomplishes electric connection according to precedence order between each electrical part, and its detailed connection means is the well-known technique in the art.

When the fan without the cleaning dead angle of the outer protective frame is used, the motor 61 is started, the output shaft of the motor 61 drives the rotating shaft 62 to rotate, and the rotating shaft 62 drives the fan blade 63 to rotate for heat dissipation;

when the cleaning is needed, the first hand wheel 20 is rotated, the first hand wheel 20 drives the first rotating rod 21 and the two first bevel gears 22 on the first rotating rod to rotate, the first bevel gears 22 drive the second bevel gears 23 to rotate, the second bevel gears 23 drive the screw rod 24 to rotate, meanwhile, the limiting rod 25 limits the movement of the upper protective frame 1, the upper protective frame 1 moves upwards, and then a hand can be inserted into the upper protective frame 1 and the lower protective frame 2 to clean each dead angle;

when the fan is not needed, the two second hand wheels 50 are rotated, the second hand wheels 50 drive the second rotating rods 51 to rotate, the second rotating rods 51 drive one ends of the first adjusting ropes 52 to rise, the other ends of the first adjusting ropes 52 to fall, meanwhile, the second adjusting ropes 53 incline, the baffle plates 54 also rotate along with the first adjusting ropes, and therefore ash falling can be prevented.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. The technical personnel of this trade should understand, the utility model does not receive the restriction of above-mentioned utility model, and what describe in above-mentioned utility model and the description only does the preferred example of the utility model to need not restrict the utility model, under the prerequisite that does not deviate from the spirit and scope of the utility model, the utility model discloses still can have various changes and improvement, these changes and improvement all fall into the scope of the utility model that claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a fan at outer protective frame no washing dead angle, includes last protective frame (1) and lower protective frame (2) that the longitudinal symmetry set up, its characterized in that: screw rods (24) in threaded connection with the upper protective frame (1) are vertically arranged in two corners of the lower protective frame (2) close to the rear side face, the bottom end of each screw rod (24) is coaxially connected with a second bevel gear (23), a first bevel gear (22) vertically meshed with the second bevel gear is arranged obliquely below the second bevel gear (23), the two first bevel gears (22) are coaxially connected to the same first rotating rod (21), one end of each first rotating rod (21) extends out of the lower protective frame (2) and is coaxially connected with a first hand wheel (20); and a fan (6) is arranged at the position, close to the rear side face, of the bottom surface in the lower protective frame (2).

2. The fan with no cleaning dead angle for the outer protective frame according to claim 1, wherein: two edges of the top surface of the lower protective frame (2) close to the front side surface are vertically fixed with limiting rods (25) in sliding connection with the upper protective frame (1), and the length of each limiting rod (25) is smaller than the height of the upper protective frame (1).

3. The fan with no cleaning dead angle for the outer protective frame according to claim 1, wherein: the front side surfaces of the upper protection frame (1) and the lower protection frame (2) close to the space between the upper protection frame and the lower protection frame are both provided with semicircular grooves, the mutual connection positions of the two semicircular grooves are fixed with clapboards, and a plurality of semicircular protective guards (3) with gradually-increased radiuses are radially fixed on the clapboards in the semicircular grooves.

4. The fan with no cleaning dead angle for the outer protective frame according to claim 1, wherein: the left side surface and the right side surface of the upper protective frame (1) and the lower protective frame (2) are regularly provided with a plurality of ventilation fences (4).

5. The fan with no cleaning dead angle for the outer protective frame according to claim 1, wherein: go up protective frame (1) the trailing flank of lower protective frame (2) all is equipped with adjustment mechanism (5), adjustment mechanism (5) are including rotating second bull stick (51) of connecting in the frame, wherein one end of second bull stick (51) extends to the frame outer and coaxial coupling has second hand wheel (50), the lateral wall rule of second bull stick (51) is fixed with a plurality of first regulation ropes (52) of winding annular, equidistant baffle (54) that distribute about being equipped with in the annular of first regulation rope (52), two long limit ends of baffle (54) are fixed simultaneously same on first regulation rope (52).

6. The fan with no cleaning dead angle for the outer protective frame according to claim 5, wherein: a plurality of second adjusting ropes (53) penetrating through the baffle (54) are arranged in the ring of the first adjusting rope (52) at equal intervals in parallel, and two ends of each second adjusting rope (53) are fixed on the first adjusting rope (52).

7. The fan with no cleaning dead angle for the outer protective frame according to claim 1, wherein: fan (6) are including fixed support (60) on the inside bottom surface of lower protective frame (2), be fixed with motor (61) on support (60), the output shaft coaxial coupling of motor (61) has pivot (62), a plurality of fan blades (63) are installed to the lateral wall rule of pivot (62).