CN219242265U

CN219242265U - EC fan

Info

Publication number: CN219242265U
Application number: CN202320304071.5U
Authority: CN
Inventors: 蒋洪涛; 黄桂红; 魏丹丹; 陈海涛; 高一帆; 李建明; 潘凌云
Original assignee: Shaoxing Zhixin Equipment Technology Co ltd
Current assignee: Shaoxing Zhixin Electromechanical Technology Co ltd
Priority date: 2023-02-24
Filing date: 2023-02-24
Publication date: 2023-06-23
Anticipated expiration: 2033-02-24

Abstract

The utility model relates to the technical field of fans, in particular to an EC fan, which comprises a fan main body, wherein an angle adjusting mechanism is arranged below the fan main body, the angle adjusting mechanism comprises a bottom block, the lower side of the fan main body is provided with the bottom block, the inside of the bottom block is movably connected with a threaded rod through a bearing, the outside of the threaded rod is connected with a movable clamping block through threads, the movable clamping block is clamped in the bottom block, the inside of the bottom block is provided with a notch matched with the movable clamping block, the upper side of the inside of the movable clamping block is movably connected with a first rotating shaft through a bearing, the left side of the bottom end of the fan main body is fixedly connected with a connecting block, and the inside of the connecting block is movably connected with a second rotating shaft through a bearing. The fan main body is convenient and quick to adjust, no gradient exists during adjustment, the adjustment is convenient for people, auxiliary limiting of the fan main body is not needed during the adjustment, the fan main body is beneficial to people, and the convenience of the device is improved.

Description

EC fan

Technical Field

The utility model relates to the technical field of fans, in particular to an EC fan.

Background

The EC fan is a centrifugal fan adopting a digital brushless direct-current outer rotor motor or a centrifugal fan adopting an EC motor, and the EC fan is widely used.

For example, patent document with publication number CN217999930U discloses an axial flow fan, through setting up the dryer, setting up fan and blade in dryer inboard axle center department, installing at the inboard protection network of two open ends of dryer, symmetry setting up the ground strut at the dryer left and right sides both ends and seting up the mounting hole on the ground strut, fixedly connected with mounting bracket on the fan, be provided with the slide lock mechanism that is used for the mounting bracket fixed point locking inboard at the dryer between mounting bracket and the dryer, brought and can carry out the adjustment operation of working angle between dryer and the ground strut to the installation effect and the suitability of axial flow fan have been used as has been promoted.

But it cooperates through stopper and bolt when adjusting, and then makes it can have certain gradient when adjusting to unable spacing in real time when adjusting, and then when making people adjust, still need the fan to hold, make it also have certain inconvenience when adjusting, on the other hand its protection network is installed inside the dryer, thereby is inconvenient to dismantle it clean, consequently needs the EC fan to solve above-mentioned problem urgently.

Disclosure of Invention

In order to overcome the technical problems, the utility model aims to provide the EC fan so as to solve the problems that the EC fan is matched with a bolt through a limiting block in the prior art, so that a certain gradient exists in the adjustment, the EC fan cannot be limited in real time in the adjustment, and further the EC fan is required to be held in the adjustment of people, so that certain inconvenience exists in the adjustment of the EC fan.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the EC fan comprises a fan main body, fan main body below is provided with angle adjustment mechanism, angle adjustment mechanism includes the bottom block, fan main body downside is provided with the bottom block, inside the bottom block is through bearing swing joint has the threaded rod, and threaded rod outside has movable fixture block through threaded connection, movable fixture block is inside the bottom block, and the notch of mutually supporting with movable fixture block is seted up to inside the bottom block, the inside upside of movable fixture block is through bearing swing joint has first pivot, and fan main body bottom left side fixedly connected with connecting block, inside through bearing swing joint second pivot of connecting block, and the outside middle side fixedly connected with bracing piece of second pivot, the other end fixedly connected with of bracing piece is on the outside middle side of first pivot, and all fixedly connected with fixed plate on the front and back both sides of bottom block, the inside through bearing swing joint has the connecting rod of fixed plate, the one end that two sets of connecting rods are close to each other is on the outside both sides of fan main body respectively fixedly connected with.

Preferably, the right end of the threaded rod extends to the outside of the right end of the fan main body, the rotating block is fixedly connected to the end of the threaded rod, the mounting frames are fixedly connected to the two sides of the bottom block, and the mounting frames are provided with mounting grooves.

Preferably, both sides outside the fan main body are all provided with stop gear, stop gear includes the installation lantern ring, all overlap on the outside both sides of fan main body and establish the installation lantern ring, and installation lantern ring inner wall fixedly connected with protection filter screen, installation lantern ring and protection filter screen mutually support with the fan main body, and the both sides of fan main body inner wall all are two sets of fixed even grooves of fixedly connected with respectively, four sets of fixed even inslot portions all insert and are equipped with spacing inserted block, and the one end that spacing inserted block is close to the installation lantern ring all runs through fan main body and installation lantern ring, all seted up the notch mutually supporting with spacing inserted block on installation lantern ring and the fan main body.

Preferably, the front end and the rear end of the limiting plug block are fixedly connected with connecting blocks, the connecting blocks extend into the fixed connecting grooves, notches matched with the connecting blocks are formed in the fixed connecting grooves, springs are welded at the top ends of the connecting blocks, and the other ends of the springs are welded on the inner walls of the fixed connecting grooves.

Preferably, a first guide groove is formed on one side of the top end of the limiting insert block, and a second guide groove is formed on the other side of the top end of the limiting insert block.

Preferably, the inner sides of the two groups of mounting lantern rings, which are close to one another, are provided with guide grooves, and the side view sections of the guide grooves are inclined.

Preferably, two groups of positioning inserts are fixedly connected to the front side and the rear side of the outer portion of the fan main body respectively, the positioning inserts extend into the mounting collar, and notches matched with the positioning inserts are formed in the mounting collar.

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

1. this EC fan is provided with threaded rod and bracing piece, adopt this kind of design to bring when needing to adjust the air outlet angle of fan main part, the accessible rotates the threaded rod, and then make bracing piece horizontal angle grow, and then make bracing piece top left side upwards move, thereby make the fan main part left end upwards move, only need reverse rotation threaded rod can when needing to move down, thereby accomplish the angle modulation to the fan main part, make the fan main part convenient and fast when adjusting, and there is not the gradient when adjusting, be convenient for people to adjust, need not to assist the spacing to the fan main part in the adjustment process simultaneously, do benefit to people's use, the convenience of device has been increased;

2. this EC fan is provided with installation lantern ring, protection filter screen, fixed link groove and spacing inserted block, when this kind of design has brought when needs are installed installation lantern ring and protection filter screen, only need arrange two sets of protection filter screens respectively on the both sides of fan main part, to the one side removal installation lantern ring that is close to the fan main part, make installation lantern ring and first guide slot butt, then make the spring can resume deformation drive spacing inserted block get into the installation lantern ring inside, thereby carry out spacingly to the installation lantern ring, and then accomplish the installation of protection filter screen, when follow-up needs dismantle, only need to press spacing inserted block to fixed link inslot portion, later pull the installation lantern ring to take off outside, make protection filter screen convenient and fast when dismantling and installing, and the convenience of device need not to assist with the help of the instrument when dismantling the installation, further increased.

Drawings

FIG. 1 is a schematic view of a left side top perspective view of the present utility model;

FIG. 2 is a right side bottom perspective view of the present utility model;

FIG. 3 is a schematic view of a partial perspective of the angle adjustment mechanism of FIG. 1 according to the present utility model;

FIG. 4 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;

FIG. 5 is an exploded view of the structure of the fixed link and spacing insert of FIG. 4 according to the present utility model;

fig. 6 is an enlarged schematic view of the structure at B in fig. 1 according to the present utility model.

In the figure: 111. a fan main body; 2. an angle adjusting mechanism; 211. a bottom block; 212. a threaded rod; 213. a movable clamping block; 214. a first rotating shaft; 215. a connecting block; 216. a second rotating shaft; 217. a support rod; 218. a fixing plate; 219. a connecting rod; 220. a mounting frame; 221. a mounting groove; 3. a limiting mechanism; 311. installing a lantern ring; 312. a protective filter screen; 313. a fixed connecting groove; 314. limiting plug blocks; 315. a spring; 316. a first guide groove; 317. a second guide groove; 318. positioning the insert block; 319. and (5) connecting blocks.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, embodiments of the present utility model are provided: the EC fan comprises a fan main body 111, angle adjustment mechanism 2 is arranged below the fan main body 111, the angle adjustment mechanism 2 comprises a bottom block 211, the lower side of the fan main body 111 is provided with the bottom block 211, the inside of the bottom block 211 is movably connected with a threaded rod 212 through a bearing, the outside of the threaded rod 212 is connected with a movable clamping block 213 through threads, the movable clamping block 213 is clamped inside the bottom block 211, the inside of the bottom block 211 is provided with a notch matched with the movable clamping block 213, the inside upper side of the movable clamping block 213 is movably connected with a first rotating shaft 214 through a bearing, the left side of the bottom end of the fan main body 111 is fixedly connected with a connecting block 215, the inside of the connecting block 215 is movably connected with a second rotating shaft 216 through a bearing, the outside middle side of the second rotating shaft 216 is fixedly connected with a supporting rod 217, the other end of the supporting rod 217 is fixedly connected with a fixing plate 218, the inside of the fixing plate 218 is movably connected with a connecting rod 219 through a bearing, one ends, which are mutually close to each other, of the two groups of connecting rods 219 are respectively fixedly connected with two sides of the outside of the fan main body 111, and the movable clamping block 213 can be conveniently made through rotation of the threaded rod 212, and the supporting rod 213 can be rotated by the rotating the threaded rod 213, so that the fan main body 111 can be adjusted.

Further, the right end of the threaded rod 212 extends to the outside of the right end of the fan main body 111, a rotating block is fixedly connected to the end of the threaded rod 212, mounting frames 220 are fixedly connected to the two sides of the bottom block 211, mounting grooves 221 are formed in the mounting frames 220, the threaded rod 212 can be conveniently rotated, and meanwhile the device is integrally fixed in an auxiliary mode through the mounting frames 220 and the mounting grooves 221.

Further, the two sides of the outside of the fan main body 111 are both provided with the limiting mechanism 3, the limiting mechanism 3 comprises a mounting collar 311, the two sides of the outside of the fan main body 111 are both sleeved with the mounting collar 311, the inner wall of the mounting collar 311 is fixedly connected with a protection filter screen 312, the mounting collar 311 and the protection filter screen 312 are matched with the fan main body 111, the two sides of the inner wall of the fan main body 111 are both fixedly connected with two groups of fixing connecting grooves 313 respectively, limiting inserting blocks 314 are inserted into the four groups of fixing connecting grooves 313, one ends of the limiting inserting blocks 314 close to the mounting collar 311 penetrate through the fan main body 111 and the mounting collar 311, the mounting collar 311 and the fan main body 111 are both provided with notches matched with the limiting inserting blocks 314, and the design is convenient for limiting and releasing the limiting of the mounting collar 311 by the aid of the design so that the protection filter screen 312 is mounted and dismounted.

Further, the front end and the rear end of the limiting plug block 314 are fixedly connected with connecting blocks 319, the connecting blocks 319 extend into the fixing connecting grooves 313, notches matched with the connecting blocks 319 are formed in the fixing connecting grooves 313, springs 315 are welded at the top ends of the connecting blocks 319, the other ends of the springs 315 are welded on the inner walls of the fixing connecting grooves 313, and the limiting plug block 314 can be conveniently limited in an auxiliary mode through the springs 315, so that the limiting effect is better.

Further, the first guide grooves 316 are formed on one side of the top end of the limiting insert block 314, so that the mounting collar 311 is smoother when being in mounting and abutting connection with the limiting insert block 314, and the second guide grooves 317 are formed on the other side of the top end of the limiting insert block 314, so that the mounting collar is smoother when being dismounted.

Furthermore, the inner sides of the two groups of mounting collars 311, which are close to each other, are provided with guide grooves, and the side view cross sections of the guide grooves are inclined, so that the mounting collars 311 can be mounted more smoothly by adopting the design.

Further, two groups of positioning plug blocks 318 are fixedly connected to the front side and the rear side of the outer portion of the fan main body 111 respectively, the positioning plug blocks 318 extend into the mounting collar 311, notches matched with the positioning plug blocks 318 are formed in the mounting collar 311, and the positioning plug blocks 318 are convenient to assist in limiting the mounting collar 311, so that the mounting of the mounting collar 311 is facilitated.

Working principle: when the air outlet angle of the fan main body 111 needs to be adjusted, the threaded rod 212 can be rotated, when the threaded rod 212 is rotated, the movable clamping block 213 is in threaded connection with the threaded rod 212, and the movable clamping block 213 is clamped inside the bottom block 211, so that the movable clamping block 213 cannot rotate, the movable clamping block 213 moves leftwards, when the movable clamping block 213 moves leftwards, the lower end of the supporting rod 217 is driven to rotate, the other end of the supporting rod 217 is movably connected to the connecting block 215 through the second rotating shaft 216, the horizontal angle of the supporting rod 217 is further increased, the left side of the top end of the supporting rod 217 moves upwards, the left end of the fan main body 111 moves upwards, and when the movable clamping block 213 needs to move downwards, the threaded rod 212 only needs to be rotated reversely, so that the angle adjustment of the fan main body 111 is completed.

When the installation lantern ring 311 and the protection filter screen 312 need be installed, only two groups of protection filter screens 312 are respectively arranged on two sides of the fan main body 111, the notch on the installation lantern ring 311 is arranged on one side of two groups of limiting inserts 314, then the installation lantern ring 311 is moved to one side close to the fan main body 111, the installation lantern ring 311 is abutted with the first guide groove 316, and then the first guide groove 316 is moved towards the inside of the fixed connecting groove 313, so that the spring 315 is deformed, then the installation lantern ring 311 is moved, the notch on the installation lantern ring 311 is arranged on one side of the installation lantern ring 311, at the moment, the spring 315 can restore to deform to drive the limiting inserts 314 to enter the inside of the installation lantern ring 311, so that the installation lantern ring 311 is limited, and then the installation of the protection filter screen 312 is completed, and when the installation lantern ring 311 needs to be dismounted later, only the limiting inserts 314 need to be pressed into the inside of the fixed connecting groove 313, and then the installation lantern ring 311 can be taken down by pulling the outside.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

EC fan, including fan main part, its characterized in that: the fan comprises a fan body, and is characterized in that an angle adjusting mechanism is arranged below the fan body, the angle adjusting mechanism comprises a bottom block, the lower side of the fan body is provided with the bottom block, a threaded rod is movably connected to the inside of the bottom block through a bearing, a movable clamping block is connected to the outside of the threaded rod through a thread, the movable clamping block is clamped inside the bottom block, a notch matched with the movable clamping block is formed in the inside of the bottom block, a first rotating shaft is movably connected to the upper side of the inside of the movable clamping block through a bearing, a connecting block is fixedly connected to the left side of the bottom end of the fan body, a second rotating shaft is movably connected to the inside of the connecting block through a bearing, a supporting rod is fixedly connected to the middle side of the outside of the first rotating shaft, fixing plates are fixedly connected to the other ends of the supporting rod on the middle side of the outside of the first rotating shaft, connecting rods are movably connected to the inside of the fixing plates through bearings, and one ends of the connecting rods, which are close to each other, are respectively fixedly connected to the two sides of the outside of the fan body.
2. The EC fan of claim 1, wherein: the right-hand member of threaded rod extends to the outside of fan main part right-hand member, and fixedly connected with changes the piece on the tip of threaded rod, and all fixedly connected with mounting bracket on the both sides of bottom piece, and all offered the mounting groove on the mounting bracket.
3. The EC fan according to claim 2, wherein: the fan comprises a fan body, and is characterized in that limiting mechanisms are arranged on two sides of the outer portion of the fan body, each limiting mechanism comprises a mounting lantern ring, each mounting lantern ring is sleeved on two sides of the outer portion of the fan body, a protection filter screen is fixedly connected to the inner wall of each mounting lantern ring, each protection filter screen is matched with the fan body, two groups of fixing connecting grooves are respectively fixedly connected to two sides of the inner wall of the fan body, limiting inserting blocks are inserted into the fixing connecting grooves, one ends, close to the mounting lantern rings, of the limiting inserting blocks penetrate through the fan body and the mounting lantern rings, and notches matched with the limiting inserting blocks are formed in the mounting lantern rings and the fan body.
4. The EC fan of claim 3, wherein: the limiting plug block is fixedly connected with the connecting blocks at the front end and the rear end, the connecting blocks extend into the fixing connecting grooves, notches matched with the connecting blocks are formed in the fixing connecting grooves, springs are welded at the top ends of the connecting blocks, and the other ends of the springs are welded on the inner walls of the fixing connecting grooves.
5. The EC fan of claim 3, wherein: the first guide grooves are formed in one side of the top end of the limiting plug block, and the second guide grooves are formed in the other side of the top end of the limiting plug block.
6. The EC fan of claim 5, wherein: the inner sides of the two groups of mounting lantern rings, which are close to one end of each other, are provided with guide grooves, and the side view sections of the guide grooves are inclined.
7. The EC fan of claim 3, wherein: two groups of positioning inserting blocks are fixedly connected to the front side and the rear side of the outer portion of the fan main body respectively, the positioning inserting blocks extend to the inside of the mounting lantern ring, and notches matched with the positioning inserting blocks are formed in the inside of the mounting lantern ring.