CN213823889U

CN213823889U - Ventilation fan convenient to change filter screen

Info

Publication number: CN213823889U
Application number: CN202022756142.4U
Authority: CN
Inventors: 谢相坤; 谢相鹏
Original assignee: Shandong Rongwen Ventilation Equipment Co ltd
Current assignee: Shandong Rongwen Ventilation Equipment Co ltd
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-07-30
Anticipated expiration: 2030-11-25

Abstract

The utility model discloses a ventilation fan convenient to change filter screen, including ventilation unit, ventilation unit is including ventilation main part, fixed block, base and filter equipment, both ends fixed mounting has the fixed block about ventilation main part bottom, and the bottom movable mounting of fixed block has the base, the inside of ventilation main part is provided with filter equipment, both ends all are provided with dismounting device about the ventilation main part, dismounting device includes first recess, supporting shoe, first fixture block, first draw-in groove, first slotted hole, first dead lever, first spring, fixed plate, first bracing piece, notch, second dead lever and the first in command, and first recess's left and right both ends have all been seted up first recess, and the inside movable mounting of first recess has the supporting shoe. The utility model provides a filter equipment abluent problem of not being convenient for, improved operating personnel's work efficiency to and practiced thrift staff's operating time greatly, improved the practicality simultaneously.

Description

Ventilation fan convenient to change filter screen

Technical Field

The utility model relates to a ventilation fan technical field specifically is a ventilation fan convenient to change filter screen.

Background

With the progress and development of society, the level of science and technology is continuously improved, the quality requirement of people on air is also continuously improved, ventilation is also called as ventilation, enough fresh air is fed into an indoor space by a mechanical or natural method, simultaneously, dirty air which does not meet the sanitary requirement in the room is discharged, the indoor air meets the sanitary requirement and the requirement of a production process, and the use of a ventilation fan is more and more extensive, so that the existing ventilation fan basically meets the requirement of people, but still has some problems.

The first problem is that: most of the designs of current ventilation fan are more fixed, and most can not change the filter screen, need wash or damage when the filter screen, probably can not take off, wash the trouble that also is more, and some filter screens are installed through parts such as screw, probably dismantle more loaded down with trivial details, the trouble of operation comparison.

The second problem is that: most of the existing ventilation fans are fixed more fussy, most of the existing ventilation fans are fixed through bolts, holes are not found well to be screwed up through the bolts, time and labor are wasted, the ventilation fans are heavy, the holes are not installed well, and therefore the working efficiency is reduced, and therefore the problem that the ventilation fans convenient to replace filter screens are needed urgently is solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a ventilation blower convenient to change filter screen to the problem of the location installation of being not convenient for change the filter screen and not being convenient for that proposes in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a ventilation fan convenient for replacing a filter screen comprises a ventilation device, wherein the ventilation device comprises a ventilation main body, a fixed block, a base and a filtering device, the fixed block is fixedly arranged at the left end and the right end of the bottom end of the ventilation main body, the base is movably arranged at the bottom end of the fixed block, the filtering device is arranged in the ventilation main body, dismounting devices are arranged at the left end and the right end of the ventilation main body respectively, each dismounting device comprises a first groove, a supporting block, a first clamping groove, a first groove hole, a first fixed rod, a first spring, a fixed plate, a first supporting rod, a notch, a second fixed rod and a first handle, the first groove is formed at the left end and the right end of the filtering device respectively, the supporting block is movably arranged in the first groove, the first groove hole is formed at the left end and the right end of the ventilation main body respectively, and the first fixing rod is fixedly arranged at the upper end and the lower end of the first groove, the fixed plate is sleeved between the two groups of the first fixed rods, a first spring is wound on the outer portion of the left end of each first fixed rod, a second fixed rod is fixedly mounted at the left end of each supporting block, the left side of each supporting block is fixedly mounted on the right side of the corresponding fixed plate, a first supporting rod is arranged inside each first slotted hole, a notch is formed in the middle of each first supporting rod, the notch is sleeved on the outer portion of each second fixed rod, a first handle is arranged on the left side of each first supporting rod, and auxiliary positioning devices are arranged at the left end and the right end of each fixed block.

Preferably, the auxiliary positioning device comprises a second clamping groove, a second supporting rod, a second groove, a first sliding groove, a second sliding block, a third supporting rod, a second slotted hole, a third sliding groove, a third sliding block, a second spring and a second handle, the second clamping groove is formed in each of the left end and the right end of the fixing block, the second supporting rod is movably mounted in the second clamping groove, the second groove is formed in the second supporting rod, the third supporting rod is movably mounted in the second groove, the second slotted hole is formed in each of the left end and the right end of the top end of the base, the third sliding groove is formed in the bottom end of the second slotted hole, the third sliding groove is slidably connected with the third sliding block, the top end of the third sliding block is fixedly mounted at the bottom end of the second supporting rod, the second spring is arranged in the third sliding groove, and the left end of the second spring is welded at the left end of the inside of the third sliding groove, and the right end of the second spring is welded on the left side of the third sliding block.

Preferably, a first clamping block is fixedly mounted at the right end inside the first groove, the first clamping block is made of rubber, a first clamping groove is formed in the right side of the supporting block, and the first clamping groove and the first clamping block are clamped with each other.

Preferably, a first handle is movably mounted on the left side of the first supporting rod through a rotating shaft, the lower end of the first handle is in an arc-shaped design, and a rubber pad is glued outside the first handle.

Preferably, first chutes are formed in the upper end and the lower end of the inner portion of the second groove, second sliding blocks are connected to the inner portions of the first chutes in a sliding mode, and the top ends of the second sliding blocks are fixedly installed at the bottom end of the third supporting rod.

Preferably, the left end fixed mounting on second bracing piece top has the second handle, and the second handle is circular design, the outer wall glue of second handle has anti-skidding cushion, and anti-skidding cushion is the rubber material.

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

1. this ventilation fan convenient to change filter screen is provided with first recess, the supporting shoe, first fixture block, first draw-in groove, first slotted hole, first dead lever, first spring, the fixed plate, first bracing piece, the notch, second dead lever and the first in command, press to the lower extreme through the first in command, under the effect of pivot, make the angle of first bracing piece take place to adjust, under the effect of first bracing piece, the second dead lever removes to the left end, thereby remove the supporting shoe to the left end, until shifting out the inside of first recess with the supporting shoe, then take out filter equipment from the inside of ventilation main part and change or wash, the abluent problem of filter equipment not being convenient for has been solved, operating personnel's work efficiency has been improved, and staff's operating time has been practiced thrift greatly, the practicality has been improved simultaneously.

2. This ventilation fan convenient to change filter screen is provided with the second draw-in groove, the second bracing piece, the second recess, first spout, the second slider, the third bracing piece, the second slotted hole, the third spout, the third slider, second spring and second handle, through removing the second handle left end, move the second bracing piece to with the mutual card of third bracing piece and, until shifting out the inside of second draw-in groove with the second bracing piece, thereby take out the fixed block, the problem of the ventilation fan installation of being not convenient for location has been solved, staff's work efficiency has been improved, the ease for use has also been improved simultaneously, prevent that the fan from not installing well in the skew of installation.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;

fig. 3 is an enlarged schematic structural view of the utility model at the position B in fig. 1;

fig. 4 is a schematic top view of the second handle according to the present invention.

In the figure: 100. a ventilation device; 110. a ventilation body; 120. a fixed block; 130. a base; 140. a filtration device; 200. disassembling the device; 210. a first groove; 220. a support block; 230. a first clamping block; 240. a first card slot; 250. a first slot; 260. a first fixing lever; 261. a first spring; 262. a fixing plate; 263. a first support bar; 264. a notch; 265. a second fixing bar; 270. a first handle; 300. an auxiliary positioning device; 310. a second card slot; 320. a second support bar; 330. a second groove; 340. a first chute; 350. a second slider; 360. a third support bar; 370. a second slot; 380. a third chute; 381. a third slider; 382. a second spring; 390. a second handle.

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 an embodiment: a ventilation fan convenient for replacing a filter screen comprises a ventilation device 100, wherein the ventilation device 100 comprises a ventilation main body 110, fixing blocks 120, a base 130 and a filtering device 140, the fixing blocks 120 are fixedly arranged at the left end and the right end of the bottom end of the ventilation main body 110, the base 130 is movably arranged at the bottom end of the fixing blocks 120, the filtering device 140 is arranged in the ventilation main body 110, dismounting devices 200 are arranged at the left end and the right end of the ventilation main body 110 respectively, each dismounting device 200 comprises a first groove 210, a supporting block 220, a first clamping block 230, a first clamping groove 240, a first slotted hole 250, a first fixing rod 260, a first spring 261, a fixing plate 262, a first supporting rod 263, a notch 264, a second fixing rod 265 and a first handle 270, the first groove 210 is formed at the left end and the right end of the filtering device 140, the supporting block 220 is movably arranged in the first groove 210, the first slotted hole 250 is formed at the left end and the right end of the ventilation main body 110, and the upper and lower both ends in the first slotted hole 250 are all fixedly mounted with first dead lever 260, the cover is equipped with fixed plate 262 between two sets of first dead levers 260 outsides, the outside winding of left end of first dead lever 260 has first spring 261, the left end fixed mounting of supporting shoe 220 has second dead lever 265, the left side fixed mounting of supporting shoe 220 is on the right side of fixed plate 262, the inside of first slotted hole 250 is provided with first bracing piece 263, and the middle part of first bracing piece 263 has seted up notch 264, notch 264 cover is established in the outside of second dead lever 265, the left side of first bracing piece 263 is provided with the first in command 270, both ends all are provided with auxiliary positioning device 300 about the fixed block 120, be convenient for change the filter screen of ventilation fan, the operability is improved, it dismantles the filter screen to have made things convenient for operating personnel, the practicality is improved.

The auxiliary positioning device 300 comprises a second clamping groove 310, a second supporting rod 320, a second groove 330, a first sliding groove 340, a second sliding block 350, a third supporting rod 360, a second groove 370, a third sliding groove 380, a third sliding block 381, a second spring 382 and a second handle 390, wherein the second clamping groove 310 is formed at each of the left and right ends of the fixed block 120, the second supporting rod 320 is movably installed in the second clamping groove 310, the second groove 330 is formed in the second supporting rod 320, the third supporting rod 360 is movably installed in the second groove 330, the second groove 370 is formed at each of the left and right ends of the top end of the base 130, the third sliding groove 380 is formed at the bottom end of the interior of the second groove 370, the third sliding block 381 is slidably connected to the interior of the third sliding groove 380, the top end of the third sliding block 381 is fixedly installed at the bottom end of the second supporting rod 320, the second spring 382 is arranged in the interior of the third sliding groove 380, and the left end of the second spring 382 is welded at the left end of the interior of the third sliding groove 380, the right end of the second spring 382 is welded to the left side of the third slider 381, so that the ventilation fan can be conveniently positioned and installed, the usability is improved, and meanwhile, the installation time of an operator is saved.

The first fixture block 230 is fixedly mounted at the right end inside the first groove 210, the first fixture block 230 is made of rubber, the first clamping groove 240 is formed in the right side of the supporting block 220, the first clamping groove 240 is clamped with the first fixture block 230, and when the first groove 210 is clamped with the supporting block 220, the first fixture block 230 plays a role in buffering, so that the practicability is improved.

The left side of the first supporting rod 263 is movably provided with a first handle 270 through a rotating shaft, the lower end of the first handle 270 is in an arc-shaped design, and a rubber pad is glued outside the first handle 270, so that the first handle 270 can be conveniently pressed towards the lower end, and the comfort level is improved.

First spout 340 has all been seted up at the inside upper and lower both ends of second recess 330, and the inside sliding connection of first spout 340 has second slider 350, and the top fixed mounting of second slider 350 is in the bottom of third bracing piece 360, is convenient for carry out the horizontal slip with third bracing piece 360 in the inside of second recess 330, has improved the ease for use.

The left end fixed mounting on second bracing piece 320 top has second handle 390, and second handle 390 is circular design, and the outer wall glue of second handle 390 has anti-skidding cushion, and anti-skidding cushion is the rubber material, is convenient for spur second handle 390, has improved the operability.

The working principle is as follows: when the filter device 140 needs to be replaced or cleaned, the first handle 270 is pressed towards the lower end, the angle of the first supporting rod 263 is adjusted under the action of the rotating shaft, the second fixing rod 265 moves towards the left end under the action of the first supporting rod 263, so that the supporting block 220 moves towards the left end until the supporting block 220 is moved out of the first groove 210, and then the filter device 140 is taken out of the ventilation main body 110 to be replaced or cleaned, for example, if another filter device 140 is installed, the reverse operation is performed.

When will carry out the assistance-localization real-time installation to ventilation fan, at first remove the left end through with second handle 390, move second bracing piece 320 to with third bracing piece 360 mutual card with, until moving out the inside of second draw-in groove 310 with second bracing piece 320 to place the fixed block 120 in the inside of base 130, then loosen second handle 390, because second spring 382 receives pressure, thereby have the restoring force, second bracing piece 320 and second draw-in groove 310 block each other, thereby fix fixed block 120, the operation is ended to this.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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

1. The utility model provides a ventilation blower convenient to change filter screen, includes ventilation unit (100), ventilation unit (100) are including ventilation main part (110), fixed block (120), base (130) and filter equipment (140), both ends fixed mounting has fixed block (120) about ventilation main part (110) bottom, and the bottom movable mounting of fixed block (120) has base (130), the inside of ventilation main part (110) is provided with filter equipment (140), its characterized in that: the left end and the right end of the ventilation main body (110) are respectively provided with a dismounting device (200), each dismounting device (200) comprises a first groove (210), a supporting block (220), a first clamping block (230), a first clamping groove (240), a first slotted hole (250), a first fixing rod (260), a first spring (261), a fixing plate (262), a first supporting rod (263), a notch (264), a second fixing rod (265) and a first handle (270), the left end and the right end of the filtering device (140) are respectively provided with the first groove (210), the supporting block (220) is movably arranged in the first groove (210), the left end and the right end of the ventilation main body (110) are respectively provided with the first slotted hole (250), the upper end and the lower end in the first slotted hole (250) are respectively and fixedly provided with the first fixing rod (260), and the fixing plate (262) is sleeved between the two groups of the first fixing rods (260), the utility model discloses a fixing device for the automobile seat, including first dead lever (260), first supporting rod (263), first slotted hole (250), notch (264) have been seted up to the inside of first slotted hole (263), and the middle part of first supporting rod (263), notch (264) cover is established in the outside of second dead lever (265), the left side of first supporting rod (260) is twined in the left end outside has first spring (261), the left end fixed mounting of supporting block (220) has second dead lever (265), the inside of first slotted hole (250) is provided with first supporting rod (263), and first supporting rod (263) all is provided with auxiliary positioning device (300) about both ends of fixed block (120).

2. The ventilation fan convenient for replacing the filter screen according to claim 1, characterized in that: the auxiliary positioning device (300) comprises a second clamping groove (310), a second supporting rod (320), a second groove (330), a first sliding groove (340), a second sliding block (350), a third supporting rod (360), a second slotted hole (370), a third sliding groove (380), a third sliding block (381), a second spring (382) and a second handle (390), wherein the second clamping groove (310) is formed in the left end and the right end of the fixing block (120), the second supporting rod (320) is movably arranged in the second clamping groove (310), the second groove (330) is formed in the second supporting rod (320), the third supporting rod (360) is movably arranged in the second groove (330), the second slotted hole (370) is formed in the left end and the right end of the top end of the base (130), the third sliding groove (380) is formed in the bottom end of the second slotted hole (370), and a third sliding block (381) is slidably connected in the third sliding groove (380), and the top fixed mounting of third slider (381) in the bottom of second bracing piece (320), the inside of third spout (380) is provided with second spring (382), and the left end of second spring (382) welds the left end in the inside of third spout (380), the right-hand member of second spring (382) welds the left side in third slider (381).

3. The ventilation fan convenient for replacing the filter screen according to claim 1, characterized in that: a first clamping block (230) is fixedly mounted at the right end inside the first groove (210), the first clamping block (230) is made of rubber, a first clamping groove (240) is formed in the right side of the supporting block (220), and the first clamping groove (240) and the first clamping block (230) are clamped with each other.

4. The ventilation fan convenient for replacing the filter screen according to claim 1, characterized in that: a first handle (270) is movably mounted on the left side of the first supporting rod (263) through a rotating shaft, the lower end of the first handle (270) is in an arc-shaped design, and a rubber pad is glued outside the first handle (270).

5. The ventilation blower convenient for replacing the filter screen of claim 2, characterized in that: first spout (340) have all been seted up at the inside upper and lower both ends of second recess (330), and the inside sliding connection of first spout (340) has second slider (350), the top fixed mounting of second slider (350) is in the bottom of third bracing piece (360).

6. The ventilation blower convenient for replacing the filter screen of claim 2, characterized in that: the left end fixed mounting on second bracing piece (320) top has second handle (390), and second handle (390) is circular design, the outer wall glue of second handle (390) has anti-skidding cushion, and anti-skidding cushion is the rubber material.