CN217761488U

CN217761488U - Air inlet structure of ventilation blower

Info

Publication number: CN217761488U
Application number: CN202222053700.XU
Authority: CN
Inventors: 陈志龙; 陈睿婷
Original assignee: Jiaxing Jiagu Blower Co ltd
Current assignee: Jiaxing Jiagu Blower Co ltd
Priority date: 2022-08-03
Filing date: 2022-08-03
Publication date: 2022-11-08
Anticipated expiration: 2032-08-03

Abstract

The utility model discloses an air inlet structure of ventilation blower relates to the ventilation blower, aims at solving the problem that is not applicable to fibre class air pollutant and handles, and its technical scheme main points are: the utility model provides an air inlet structure of ventilation blower, includes the air-supply line, air-supply line one end cup joints in the entry end of ventilation blower to it consolidates to be provided with coupling assembling, the air-supply line is provided with the filter screen with the link of ventilation blower, the middle section intercommunication of air-supply line has the blowback calandria, the cover can be dismantled to the exit end of blowback calandria and is equipped with the filter bag, the exit end of blowback calandria and the entry end of air-supply line are provided with the optional subassembly of opening and close respectively. The utility model discloses an air inlet structure of ventilation blower is applicable to the workshop environment application that has fibre class air pollutant more to effectively reduce the emission of pollutant.

Description

Air inlet structure of ventilation blower

Technical Field

The utility model relates to a ventilation blower, more specifically say, it relates to an air inlet structure of ventilation blower.

Background

The ventilator is a device for accelerating the circulation of air indoors and outdoors, and is mainly used in factory workshops with large dust generation.

A fire control smoke exhaust ventilator that chinese patent publication of publication No. CN207906114U, its technical essential is: including the ventilation blower, the support is installed to the bottom of ventilation blower, and the frame is all installed to the left and right sides of ventilation blower, and the inside top of frame is equipped with the recess, and the inside central point of recess puts and is equipped with the filter screen, and the connecting block is installed on the top of filter screen, and the inside of connecting block is equipped with the connecting rod, and the connecting rod runs through the connecting block, and the connecting rod links to each other with the buckle, and the pin is installed to the left and right sides bottom of connecting rod, and the connecting block passes through compression spring and links to each other with the buckle, hollow block is installed in the inside left side of ventilation blower, and the inside of hollow block is equipped with the motor, and the motor runs through hollow block, and the right side of motor is equipped with the bull stick, and the bull stick is installed on the right side of bull stick, and the fixture block links to each other with the frame, and the flabellum is installed on the outer wall of bull stick, and the horizontal pole is installed on the right side of horizontal pole, and the brush is installed with the filter screen overlap joint continuously, and the left and right sides of ventilation blower is equipped with air outlet and air intake respectively.

According to the technical scheme, the brush is additionally arranged on the fan blade, and the filter screen is cut and rubbed by the brush, so that the filter screen is cleaned, but when the brush is applied to places with fiber air pollutants such as a textile workshop, fibers or fluff can be entangled in the brush, and the whole brush becomes a large-area blockage; that is, the above technical solutions are not suitable for the treatment of fiber air pollutants, and therefore, a new solution is needed to solve the problem.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide an air inlet structure of ventilation blower is applicable to the workshop environment application that has fibre class air pollutant more to effectively reduce the emission of pollutant.

The above technical object of the present invention can be achieved by the following technical solutions: the utility model provides an air inlet structure of ventilation blower, includes the air-supply line, air-supply line one end is cup jointed in the entry end of ventilation blower to it consolidates to be provided with coupling assembling, the air-supply line is provided with the filter screen with the link of ventilation blower, the middle section intercommunication of air-supply line has the blowback calandria, the cover can be dismantled to the exit end of blowback calandria and be equipped with the filter bag, the exit end of blowback calandria and the entry end of air-supply line are provided with the optional subassembly of opening and close respectively.

By adopting the technical scheme, when the ventilating machine is actually used, the opening and closing assembly can be selected to close the outlet end of the counter-blow exhaust pipe and open the inlet end of the air inlet pipe, so that air in a workshop is forced to enter through the air inlet pipe when the ventilating machine works normally, and the air passes through the filtering screen to be filtered and then is discharged to the outside of the workshop through the ventilating machine; when the filter screen is blocked to cause the ventilation efficiency to be lowered, the opening and closing assembly can be selected to open the outlet end of the reverse blowing exhaust pipe, close the inlet end of the air inlet pipe, control the reverse output power of the ventilator, force the air outside the workshop to sequentially pass through the ventilator, the filter screen and the reverse blowing exhaust pipe, and discharge the air after being filtered by the filter bag, so that the reverse blowing cleaning of the filter screen is realized, and the cleaned fiber dust is collected by the filter bag, thereby avoiding secondary pollution to the air inside the workshop; to sum up, application this application can adopt the back-blowing to clear up the filter screen, adopts the brush clearance in prior art relatively, avoids the fibre entanglement to lead to the large tracts of land to block up on the one hand, is applicable to the workshop environment application that has fibre class air pollutant more, and on the other hand can collect the impurity of clearance in-process, effectively reduces the emission of pollutant.

The utility model discloses further set up to: the air-supply line is provided with the portion of cup jointing that the cross-section is L shape, the frame of the tight filter screen of the entry end terminal surface clamp of the vertical section cooperation ventilation blower of the portion of cup jointing, the horizontal segment of the portion of cup jointing cup joints in the entry end outer wall of ventilation blower.

The utility model discloses further set up to: the cup joint portion is provided with the rubber seal, the rubber seal cross-section is the T shape, and its one horizontal segment is in between the inner wall of filter screen frame and cup joint portion, and another section horizontal segment is in between cup joint portion inner wall and ventilator inlet end outer wall, and its vertical section is between filter screen frame and ventilator inlet end terminal surface.

The utility model discloses further set up to: the connecting assembly comprises at least three attaching plates used for attaching the inner wall of the ventilator, a penetrating stud vertically fixed on the attaching plates, a reinforcing notch formed in the air inlet pipe and in clearance fit with the penetrating stud, and a reinforcing nut in threaded fit with the penetrating stud.

The utility model discloses further set up to: the outer wall of the blowback exhaust pipe is provided with an annular groove for the open end of the filter bag to be embedded in, the annular groove is matched with a hoop, and the hoop hoops the open end of the filter bag.

The utility model discloses further set up to: the selectable opening and closing assembly comprises an end cover used for sealing the outlet end of the reverse blowing exhaust pipe or the inlet end of the air inlet pipe and hook grooves formed in the outer circumferential surfaces of the outlet end of the reverse blowing exhaust pipe and the inlet end of the air inlet pipe, and the inner circumferential surface of the end cover is provided with embedded strips embedded with the hook grooves.

The utility model discloses further set up to: the subassembly is opened and close to optional includes that the gomphosis is fixed in the steel ring of blowback calandria and air-supply line to and be fixed in the deformable awl in the steel ring, be in the outer of the deformable awl point of blowback calandria, be in the deformable awl point of air-supply line is inwards, the angle such as deformable awl is provided with a plurality of cut-off lines, the cut-off line is the slope and separates the deformable awl.

To sum up, the utility model discloses following beneficial effect has: by applying the method, the filter screen 2 can be cleaned in the reverse blowing direction, compared with the method for cleaning by adopting the brush in the prior art, on one hand, the large-area blockage caused by the fact that the fibers are entangled in the brush is avoided, and the method is more suitable for the application of workshop environment with fiber air pollutants, on the other hand, the impurities in the cleaning process can be collected, and the emission of the pollutants is effectively reduced; the air inlet pipe is provided with the sleeving part, so that the filter screen can be detached and replaced on the premise of sleeving and mounting the air inlet pipe on the ventilator, and the convenience of overhauling and replacing the filter screen is effectively improved; the sealing rubber ring is used for filling gaps among the sleeving part, the filter screen and the ventilator, so that the connection sealing performance of the sleeving part and the ventilator is effectively improved, the clamping limiting stability of the sleeving part and the ventilator on the filter screen is improved, and the hidden danger of looseness of the filter screen is effectively prevented; the application can be additionally installed by adopting the connecting structure and only drilling holes at corresponding positions of the ventilator, and the sold ventilator has the transformation and upgrading conditions; the structure that the hoop is combined with the annular groove is adopted, so that the mounting strength of the filter bag is effectively ensured on the premise that the filter bag is detachably mounted; the sealing of the blowback pipe or the air inlet pipe is realized by adjusting the mounting position of the end cover, and the technical effects of simple structure and reliable sealing performance are achieved; the deformable cone divided by the dividing line is adopted to control the opening and closing of the reverse blowing exhaust pipe and the air inlet pipe, so that the automatic opening and closing of the reverse blowing exhaust pipe and the air inlet pipe are realized, and the use convenience is effectively improved.

Drawings

FIG. 1 is a schematic view of a ventilator according to an embodiment, shown in a back-blowing cleaning state;

FIG. 2 is a schematic structural view of the first embodiment, showing a normal ventilation state;

FIG. 3 is a half sectional view of a ventilator according to an embodiment;

FIG. 4 is a schematic view of an end cap according to one embodiment;

FIG. 5 is a schematic view of the overall structure of the second embodiment;

FIG. 6 is a half sectional view of the second embodiment.

Description of the drawings: 1. an air inlet pipe; 2. filtering with a screen; 3. blowback calandria; 4. a filter bag; 5. a socket joint part; 6. sealing the rubber ring; 7. attaching a plate; 8. a penetrating stud; 9. reinforcing the notch; 10. reinforcing the nut; 11. an annular groove; 12. hooping; 13. an end cap; 14. hooking a groove; 15. a tabling strip; 16. steel ring; 17. a deformable cone; 18. and (6) dividing the line.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The first embodiment is as follows: the utility model provides an air inlet structure of ventilation blower, as shown in fig. 1, fig. 2, including air-supply line 1, the entry end in the ventilation blower is cup jointed to 1 one end of air-supply line to it consolidates to be provided with coupling assembling, and air-supply line 1 is provided with filter screen 2 with the link of ventilation blower, and the middle section intercommunication of air-supply line 1 has blowback calandria 3, and the cover can be dismantled to blowback calandria 3's exit end and is equipped with filter bag 4, and blowback calandria 3's exit end and air-supply line 1's entry end are provided with the optional subassembly of opening and close respectively.

In practical use, as shown in fig. 2, the opening and closing assembly can be selected to close the outlet end of the blowback pipe 3 and open the inlet end of the air inlet pipe 1, so that air in a workshop is forced to enter through the air inlet pipe 1 when the ventilator works normally, and the air passes through the filter screen 2 to be filtered and then is discharged to the outside of the workshop through the ventilator; when the filter screen 2 is blocked to cause the ventilation efficiency to become low, as shown in fig. 1 and fig. 3, the opening and closing assembly can be selected to open the outlet end of the reverse blowing exhaust pipe 3, close the inlet end of the air inlet pipe 1, control the reverse output power of the ventilator, force the air outside the workshop to sequentially pass through the ventilator, the filter screen 2 and the reverse blowing exhaust pipe 3 and be exhausted after being filtered by the filter bag 4, so that the reverse blowing cleaning of the filter screen 2 is realized, and the cleaned fiber dust is collected by the filter bag 4, so that the secondary pollution to the air inside the workshop is avoided; to sum up, the direction clearance filter screen 2 that application this application can adopt the contrary blowing compares in prior art and adopts the brush clearance, avoids the fibre to entangle in the brush and leads to the large tracts of land to block up on the one hand, is applicable to the workshop environment application that has fibre class air pollutants thing more, and on the other hand can be collected the impurity of clearance in-process, effectively reduces the emission of pollutant.

The air inlet pipe 1 is sleeved on the ventilator in the following way, as shown in fig. 3, the air inlet pipe 1 is processed and formed with a sleeving part 5 with an L-shaped section, the vertical section of the sleeving part 5 is matched with the end face of the inlet end of the ventilator to clamp the frame of the filter screen 2, and the horizontal section of the sleeving part 5 is sleeved on the outer wall of the inlet end of the ventilator; the air-supply line 1 cup joints portion 5 through setting up, realizes that its self cup joints and installs under the prerequisite of ventilation blower, realizes dismantling of filter screen 2 and changes, effectively improves the convenience of overhauing and changing filter screen 2, is about to pull down on this application by the ventilation blower, can directly dismantle and change filter screen 2.

In order to improve the connection sealing performance of the sleeve joint part 5, the filter screen 2 and the ventilator, as shown in fig. 3, the sleeve joint part 5 is provided with a sealing rubber ring 6, the section of the sealing rubber ring 6 is in a T shape, one horizontal section of the sealing rubber ring is positioned between the frame of the filter screen 2 and the inner wall of the sleeve joint part 5, the other horizontal section of the sealing rubber ring is positioned between the inner wall of the sleeve joint part 5 and the outer wall of the inlet end of the ventilator, and the vertical section of the sealing rubber ring is positioned between the frame of the filter screen 2 and the end face of the inlet end of the ventilator; utilize sealed rubber ring 6 to fill the clearance between the portion of cup jointing 5, filter screen 2 and the ventilation blower three, effectively improve the connection leakproofness of three to improve the portion of cup jointing 5 and the ventilation blower and to filter screen 2's centre gripping restriction stability, effectively prevent that filter screen 2 from taking place not hard up hidden danger.

The specific structure of the connecting assembly is as follows, as shown in fig. 2 and 3, the connecting assembly comprises at least three attaching plates 7 for attaching the inner wall of the ventilator, through studs 8 vertically fixed to the attaching plates 7, reinforcing notches 9 arranged on the air inlet pipe 1 and in clearance fit with the through studs 8, and reinforcing nuts 10 in threaded fit with the through studs 8; when the air-supply line 1 cup jointed in the ventilation blower, the pipe wall of air-supply line 1 and ventilation blower is pressed from both sides by laminating board 7 and the cooperation of reinforcement nut 10 to the realization is to reinforcement between them, adopts this connection structure only to drill to the relevant position of ventilation blower simultaneously, can install this application additional, possesses the transformation upgrading condition of having sold the ventilation blower.

The filter bag 4 is detachably mounted at the outlet end of the blowback pipe 3 in the following way, as shown in fig. 1, fig. 2 and fig. 3, an annular groove 11 is arranged on the outer wall of the blowback pipe 3 for the insertion of the opening end of the filter bag 4, the annular groove 11 is matched with a hoop 12, and the hoop 12 hoops the opening end of the filter bag 4; when the filter bag 4 is installed in the blowback calandria 3, its opening cup joints in annular groove 11 to there is staple bolt 12 to cramp, thereby ensures the installation intensity of filter bag 4, when needs dismantle the filter bag 4, dismantles staple bolt 12 and can directly lift the filter bag 4 off, to sum up, adopt staple bolt 12 to combine the structure of annular groove 11, under the prerequisite of realizing filter bag 4 demountable installation, effectively ensure its installation intensity.

As shown in fig. 2 and 4, the selectable opening and closing component includes an end cover 13 for closing the outlet end of the blowback pipe 3 or the inlet end of the air inlet pipe 1, and a hook groove 14 formed on the outer circumferential surface of the outlet end of the blowback pipe 3 and the inlet end of the air inlet pipe 1, and an inner circumferential surface of the end cover 13 is formed with an engaging strip 15 engaged with the hook groove 14; when the ventilator is in a normal ventilation state, the filter bag 4 is in a detachable state, the end cover 13 is arranged at the outlet end of the reverse blowing exhaust pipe 3 through the hook groove 14 and the embedded strip 15, and the inlet end of the air inlet pipe 1 is in an open state in the state; when the filter screen 2 needs to be cleaned by reverse blowing, the end cover 13 is detached from the outlet end of the reverse blowing exhaust pipe 3 and is arranged at the inlet end of the air inlet pipe 1, and then the filter bag 4 is arranged at the outlet end of the reverse blowing exhaust pipe 3, so that the reverse blowing cleaning can be carried out; in summary, the sealing of the blowback pipe 3 or the air inlet pipe 1 is realized by adjusting the mounting position of the end cover 13, and the technical effects of simple structure and reliable sealing performance are achieved.

Example two: the difference between the first embodiment and the second embodiment lies in that different selectively openable components are used, as shown in fig. 5 and fig. 6, the selectively openable components include a steel ring 16 embedded and fixed to the blowback pipe 3 and the air inlet pipe 1, and a deformable cone 17 fixed in the steel ring 16, in this embodiment, the main body of the deformable cone 17 is made of elastic rubber and embedded and provided with a spring steel bar as a framework, it should be noted that the tip of the deformable cone 17 in the blowback pipe 3 is outward, the tip of the deformable cone 17 in the air inlet pipe 1 is inward, a plurality of dividing lines 18 are arranged at equal angles on the deformable cone 17, and the dividing lines 18 are inclined to divide the deformable cone 17.

When the ventilator is in an air extracting state, the deformable cone 17 positioned on the air inlet pipe 1 is deformed inwards under the action of the air pressure, so that the area of the dividing line 18 is enlarged, and further the air inlet pipe 1 is automatically opened, and the deformable cone 17 positioned on the blowback pipe 3 is in a tightening state under the action of the air pressure, so that the positions of the dividing line 18 are tightly attached, namely the area of the dividing line 18 is infinitely reduced, and further the blowback pipe 3 is automatically closed; when the ventilator is in the exhaust state, the deformable cones 17 respectively positioned on the air inlet pipe 1 and the reverse blowing exhaust pipe 3 are respectively in the closed state and the open state under the action of the air pressure, so that the air flow can enter the filter bag through the reverse blowing exhaust pipe 3; in conclusion, the deformable cone 17 divided by the dividing line 18 is used for controlling the opening and closing of the back blowing exhaust pipe 3 and the air inlet pipe 1, so that the automatic opening and closing of the back blowing exhaust pipe and the air inlet pipe are realized, and the use convenience is effectively improved.

The specific embodiments are only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiments without inventive contribution as required after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The utility model provides an air inlet structure of ventilation blower, includes air-supply line (1), its characterized in that: the utility model discloses a filter bag air-blowing device, including air-supply line (1), air-supply line (1) and ventilation blower, the inlet end in ventilation blower is cup jointed to air-supply line (1) one end to it consolidates to be provided with coupling assembling, air-supply line (1) is provided with filter screen (2) with the link of ventilation blower, the middle section intercommunication of air-supply line (1) has blowback calandria (3), the cover can be dismantled to the exit end of blowback calandria (3) and is equipped with filter bag (4), the exit end of blowback calandria (3) and the inlet end of air-supply line (1) are provided with the optional subassembly of opening and close respectively.

2. An air intake structure of a ventilator according to claim 1, wherein: air-supply line (1) is provided with the portion of cup jointing (5) that the cross-section is L shape, the frame of tight filter screen (2) of the entry end terminal surface of the vertical section cooperation ventilation blower of the portion of cup jointing (5), the horizontal segment of the portion of cup jointing (5) cup joints in the entry end outer wall of ventilation blower.

3. An air intake structure of a ventilator according to claim 2, wherein: cup joint portion (5) and be provided with sealed rubber ring (6), sealed rubber ring (6) cross-section is T shape, and its horizontal segment is in between the inner wall of filter screen (2) frame and cup joint portion (5), and another section horizontal segment is in between cup joint portion (5) inner wall and ventilation blower entry end outer wall, and its vertical section is between filter screen (2) frame and ventilation blower entry end terminal surface.

4. An air intake structure of a ventilator according to claim 1, wherein: the connecting assembly comprises at least three attaching plates (7) used for attaching to the inner wall of the ventilator, through studs (8) vertically fixed on the attaching plates (7), reinforcing notches (9) which are arranged on the air inlet pipe (1) and are in clearance fit with the through studs (8), and reinforcing nuts (10) which are in threaded fit with the through studs (8).

5. An air intake structure of a ventilator according to claim 1, wherein: the outer wall of the reverse blowing exhaust pipe (3) is provided with an annular groove (11) for the insertion of the opening end of the filter bag (4), the annular groove (11) is matched with a hoop (12), and the hoop (12) hoops the opening end of the filter bag (4).

6. An air intake structure of a ventilator according to claim 1, wherein: the selectable opening and closing assembly comprises an end cover (13) used for sealing the outlet end of the reverse blowing exhaust pipe (3) or the inlet end of the air inlet pipe (1) and hook grooves (14) arranged on the outer circumferential surfaces of the outlet end of the reverse blowing exhaust pipe (3) and the inlet end of the air inlet pipe (1), and the inner circumferential surface of the end cover (13) is provided with embedded strips (15) embedded with the hook grooves (14).

7. An air intake structure of a ventilator according to claim 1, wherein: the selectable opening and closing component comprises a steel ring (16) which is fixedly embedded in the blowback pipe (3) and the air inlet pipe (1) and a deformable cone (17) fixed in the steel ring (16), wherein the deformable cone (17) of the blowback pipe (3) is outward in conical tip and inward in conical tip of the deformable cone (17) of the air inlet pipe (1), a plurality of parting lines (18) are arranged at equal angles of the deformable cone (17), and the parting lines (18) are inclined to separate the deformable cone (17).