CN112370891B - Ventilation device - Google Patents
Ventilation device Download PDFInfo
- Publication number
- CN112370891B CN112370891B CN202011279533.XA CN202011279533A CN112370891B CN 112370891 B CN112370891 B CN 112370891B CN 202011279533 A CN202011279533 A CN 202011279533A CN 112370891 B CN112370891 B CN 112370891B
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- Prior art keywords
- pipe
- case
- sliding
- pushing block
- hole
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
Abstract
The invention discloses a ventilation device, which comprises a case component, a fan, at least one dust removal component and an air inlet component, wherein the case component comprises a case and two dust screens, the inside of the case is hollow, two ends of the case are opened, and the two dust screens are arranged opposite to the two open ends of the case and are respectively connected with the case; the fan is arranged in the case; the dust removal assembly comprises a guide rod, a fixed pipe, a sliding pipe, a plurality of spray heads and a linear driving piece, wherein the guide rod and the fixed pipe are arranged in parallel and are both connected to a case; the air inlet assembly comprises an air inlet pipe, and the air inlet pipe is communicated with the two sliding pipes. The invention can effectively clean the dust removal net on the ventilation device.
Description
Technical Field
The invention relates to the technical field of ventilation, in particular to a ventilation device.
Background
Current ventilation unit generally includes quick-witted case, fan and two filter screens, and quick-witted case is placed in to the hollow and both ends opening in the inside of quick-witted case, fan in the quick-witted case is placed to the fan, and two open ends of two relative quick-witted cases of filter screen difference set up and connect in quick-witted case, and when the fan started, promote the air and remove from an open end of quick-witted case to the other end open end, and impurity such as dust in the air is intercepted outside two filter screens, needs the manual work regularly to clear up the filter screen.
Disclosure of Invention
In view of the above, it is necessary to provide a ventilation device to solve the technical problems in the prior art.
In order to achieve the above technical object, a technical solution of the present invention provides a ventilation apparatus, including:
the case assembly comprises a case and two dustproof nets, the interior of the case is hollow, two ends of the case are opened, and the two dustproof nets are arranged opposite to the two open ends of the case and are respectively connected to the case;
the fan is arranged in the case;
the dust removal device comprises at least one dust removal assembly, wherein the dust removal assembly comprises a guide rod, a fixed pipe, a sliding pipe, a plurality of spray heads and a linear driving piece, the guide rod and the fixed pipe are arranged in parallel and are connected to the case, two ends of the sliding pipe are respectively connected to the guide rod and the fixed pipe in a sliding mode along the guide of the guide rod, the air inlet end of each spray head is communicated with the corresponding sliding pipe, the air outlet end of each spray head is arranged opposite to the dust screen, the linear driving piece is fixed to the case, and the output shaft of the linear driving piece is connected to the sliding pipe and is used for driving the sliding pipe and the spray heads to move along the guide of the guide rod; and
and the air inlet assembly comprises an air inlet pipe, and the air inlet pipe is communicated with the two sliding pipes.
Further, the air inlet pipe is selectively communicated with the sliding pipe.
Further, the inside of fixed pipe is hollow and one end opening, the open end of fixed pipe with the end intercommunication of giving vent to anger of intake pipe, a plurality of ventholes have been seted up along radial to the outer wall of fixed pipe, and is a plurality of the venthole is followed the axial equidistance of fixed pipe distributes, the slide tube is optional with one of them the venthole is linked together.
Furthermore, the dust removal assembly further comprises a first sliding block and a second sliding block, the first sliding block and the second sliding block are respectively connected with the guide rod and the fixed pipe in a sliding mode along the guide direction of the guide rod, and two ends of the sliding pipe are respectively connected with the first sliding block and the second sliding block.
Furthermore, the dust removal component also comprises a plurality of sealing diaphragms, the sealing diaphragms are arranged in the fixed pipe and are in one-to-one correspondence with the air outlets, and one side of each sealing diaphragm is connected to the inner wall of the fixed pipe and the other side of the sealing diaphragm shields the air outlets.
Furthermore, the second slider is provided with a first through hole and a counter bore relative to the fixed pipe, the second slider is slidably sleeved on the fixed pipe through the first through hole, the large-diameter end of the counter bore is close to the fixed pipe relative to the small-diameter end of the counter bore, the large-diameter end of the counter bore is communicated with the through hole, and the small-diameter end of the counter bore is communicated with the sliding pipe.
Furthermore, the dust removal assembly further comprises a communicating piece, the communicating piece comprises a pushing block and a spring, one end of the pushing block is cylindrical, the other end of the pushing block is conical, a second through hole is formed in the pushing block along the axial direction of the countersunk hole, the cylindrical end of the pushing block is slidably inserted into the large-diameter end of the countersunk hole, the conical end of the pushing block is opposite to the air outlet hole, the spring is arranged in the large-diameter end of the countersunk hole, one end of the spring is connected to the inner wall of the bottom of the large-diameter end of the countersunk hole, the other end of the spring is connected to the cylindrical end of the pushing block, the pushing block is pushed to be inserted into the air outlet hole, the pushing block is driven to push the sealing diaphragm open, and the second through hole is communicated with the fixing pipe.
Furthermore, the outer wall of the cylindrical end of the push block is connected with the outer wall of the conical end of the push block through an arc surface.
Further, the air inlet assembly further comprises a pulse valve, and the pulse valve is arranged on the air inlet pipe.
Compared with the prior art, the invention has the beneficial effects that: when the dust removal net needs to be cleaned, high-pressure gas is introduced into the air inlet pipe and enters the sliding pipe through the air inlet pipe, the high-pressure gas enters the spray head through the sliding pipe and is finally sprayed out from the air outlet end of the spray head, impurities adhered to the dust removal net are blown away by the sprayed high-pressure gas flow, the sliding pipe is driven by the linear driving piece to move along the guide rod, and the integral cleaning of the dust removal net is realized.
Drawings
FIG. 1 is a three-dimensional schematic of the present invention;
FIG. 2 is a three-dimensional schematic of another perspective of the present invention;
FIG. 3 is a schematic structural view of the present invention;
FIG. 4 is a schematic structural view from another perspective of the present invention;
FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;
fig. 6 is a partially enlarged schematic view at B in fig. 5.
Detailed Description
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate preferred embodiments of the invention and together with the description, serve to explain the principles of the invention and not to limit the scope of the invention.
The invention provides a ventilation device, which comprises a case component 1, a fan 2, at least one dust removal component 3 and an air inlet component 4, wherein the case component 1 comprises a case 11 and two dust screens 12, the interior of the case 11 is hollow, two ends of the case are opened, and the two dust screens 12 are arranged opposite to the two open ends of the case 11 and are respectively connected with the case 11, as shown in figures 1 to 6.
The fan 2 is built in the cabinet 11.
The fan 2 includes a blade 21 and a driving motor 22, the driving motor 22 is fixed on the inner wall of the chassis 11, and an output shaft of the driving motor 22 is connected to the blade 21 for driving the blade 21 to rotate.
The dust removing component 3 comprises a guide rod 31, a fixed pipe 32, a sliding pipe 33, a plurality of nozzles 34 and a linear driving piece 35, wherein the guide rod 31 and the fixed pipe 32 are arranged in parallel and are connected to the case 11, two ends of the sliding pipe 33 are connected to the guide rod 31 and the fixed pipe 32 in a sliding mode along the guide of the guide rod 31 respectively, the air inlet end of each nozzle 34 is communicated with the corresponding sliding pipe 33, the air outlet end of each nozzle is arranged opposite to the dust screen 12, the linear driving piece 35 is fixed to the case 11, and the output shaft of the linear driving piece is connected to the sliding pipe 33 and is used for driving the sliding pipe 33 and the nozzles 34 to move along the guide of the guide rod 31.
Wherein, the quantity of dust removal component 3 can be one, two, three etc. in this embodiment, the quantity of dust removal component 3 is two, and two dust removal components 3 set up with dust screen 12 one-to-one.
Wherein, the guide rod 31 and the fixed tube 32 are arranged in the case 11 and are respectively arranged at two sides of the dust removing net, and two ends of the guide rod 31 are respectively connected with the inner wall of the case 11.
Wherein the number of the spray heads 34 can be set as required.
The linear actuator 35 may be an air cylinder, a hydraulic cylinder, an electric push rod, or the like, and specifically, the linear actuator 35 is an air cylinder, but the type of the linear actuator 35 is not limited thereto.
The intake assembly 4 includes an intake pipe 41, and the intake pipe 41 communicates with both of the sliding pipes 33.
In the present embodiment, the intake pipe 41 is selectively communicated with the sliding pipe 33.
Through setting up a plurality of ventholes to make slide tube 33 selectively be linked together with one of them venthole, when the high change of slide tube 33, can be linked together with the venthole of corresponding height as required, realized slidable slide tube 33 and fixed pipe 32's intercommunication.
In this embodiment, the intake assembly 4 further includes a pulse valve 42, and the pulse valve 42 is disposed in the intake pipe 41.
In this embodiment, the intake assembly 4 further includes a stop valve 43, and the stop valve 43 is disposed on the intake pipe 41.
In this embodiment, the air inlet assembly 4 further includes an air source 44, and an air outlet end of the air source 44 is communicated with an air inlet end of the air inlet pipe 41, wherein the air source 44 may be a high-pressure air pump, an air bag, an air storage tank, and the like, and specifically, the air source 44 is an air storage tank, but the type of the air source 44 is not limited thereto.
In this embodiment, the fixed pipe 32 is hollow and has an open end, the open end of the fixed pipe 32 is communicated with the air outlet end of the air inlet pipe 41, the outer wall of the fixed pipe 32 is radially provided with a plurality of air outlets, the plurality of air outlets are equidistantly distributed along the axial direction of the fixed pipe 32, and the sliding pipe 33 is selectively communicated with one of the air outlets.
Specifically, the air inlet pipe 41 includes a first pipe 411 and two second pipes 412, the air inlet end of the first pipe 411 is communicated with the air source 44, the second pipes 412 are arranged in a one-to-one correspondence with the dust removing assembly 3, the air inlet ends of the two second pipes 412 are communicated with the air outlet end of the first pipe 411, the air outlet end of the second pipe 412 is communicated with the opening end of the corresponding fixed pipe 32, and the stop valve 43 and the pulse valve 42 are both arranged on the first pipe 411.
In this embodiment, the dust removing assembly 3 further includes a first slider 36 and a second slider 37, the first slider 36 and the second slider 37 are slidably connected to the guide rod 31 and the fixed tube 32 along the guide direction of the guide rod 31, and two ends of the sliding tube 33 are connected to the first slider 36 and the second slider 37 respectively.
By providing the first slider 36 and the second slider 37, the sliding connection of the sliding tube 33 with the fixed tube 32 and the guide bar 31 is achieved.
In this embodiment, the dust removing assembly 3 further includes a plurality of sealing diaphragms 38, the sealing diaphragms 38 are disposed in the fixed pipe 32 and are in one-to-one correspondence with the air outlets, and one side of each sealing diaphragm 38 is connected to the inner wall of the fixed pipe 32 and the other side of the fixed pipe to shield the air outlets.
The sealing membrane 38 may be a flexible membrane sheet made of flexible material, such as polyethylene, polyvinyl chloride, polypropylene, etc., or a sheet made of spring steel, or a sheet made of flexible rubber, and in this embodiment, the sealing membrane 38 is a sheet made of flexible rubber, but the material of the sealing membrane 38 is not limited thereto.
In this embodiment, the second slider 37 has a first through hole and a counter bore relative to the fixed tube 32, the second slider 37 is slidably sleeved on the fixed tube 32 through the first through hole, a large diameter end of the counter bore is close to the fixed tube 32 relative to a small diameter end of the counter bore, the large diameter end of the counter bore is communicated with the through hole, and the small diameter end of the counter bore is communicated with the sliding tube 33.
In this embodiment, the dust removing assembly 3 further includes a communicating member 39, the communicating member 39 includes a pushing block 391 and a spring 392, one end of the pushing block 391 is cylindrical, the other end is conical, the pushing block 391 is provided with a second through hole along the axial direction of the counter bore, the cylindrical end of the pushing block 391 is slidably inserted into the large diameter end of the counter bore, the conical end of the pushing block 391 is arranged opposite to the air outlet hole, the spring 392 is arranged in the large diameter end of the counter bore, one end of the spring is connected to the bottom inner wall of the large diameter end of the counter bore, the other end of the spring is connected to the cylindrical end of the pushing block 391, and the spring is used for pushing the pushing block 391 to be inserted into the air outlet hole and driving the pushing block 391 to push the sealing membrane 38, so that the second through hole is communicated with the fixing pipe 32.
The number of the second through holes is multiple, more specifically, the number of the second through holes may be three, four, five, and the like, specifically, the number of the second through holes formed in the push block 391 is four, and the four second through holes are uniformly distributed along the axial direction of the push block 391.
By providing a plurality of second through holes, the sealing membrane 38 is prevented from blocking all the second through holes when the pushing block 391 pushes away the sealing membrane 38, and the sealing membrane 38 is prevented from blocking the gas from passing through the pushing block 391.
Wherein, the outer wall of the cylindrical end of the pushing block 391 is connected with the outer wall of the conical end through a circular arc surface.
In this embodiment, the communicating member 39 further includes a sealing sleeve 393, the sealing sleeve 393 is sleeved on the fixed pipe 32, the outer wall of the sealing sleeve 393 is connected to the inner wall of the first through hole, the inner ring abuts against the fixed pipe 32, and the sealing sleeve 393 is provided with a third through hole relative to the counter bore.
By providing the sealing sleeve 393, the space between the second slider 37 and the fixed tube 32 can be sealed, and gas is prevented from escaping through the gap between the second slider 37 and the fixed tube 32.
The specific working process of the invention is as follows: when the fan 2 works, the airflow is pushed from one open end of the chassis 11 to the other open end to form an airflow, part of impurities in the air are intercepted on the two dust screens 12, after the fan 2 works for a period of time, the impurities adhere to the dust screens 12 and block the airflow from passing through, then the stop valve 43 is opened, the pulse valve 42 is controlled to enable high-pressure pulse gas to be sprayed out of the air storage tank according to needs, the high-pressure gas enters the fixed pipe 32 through the air inlet pipe 41, the linear driving part 35 is started, the linear driving part 35 drives the sliding pipe 33, the first slider 36 and the second slider 37 to move along the guide of the guide rod 31, the push block 391 moves to be opposite to the air outlet of the fixed pipe 32, the tapered end of the push block 391 is inserted into the air outlet under the action of the spring 392, the tapered end of the tapered end pushes away the sealing diaphragm 38, so that one end of the second through hole of the tapered end is communicated with the fixed pipe 32, the other end of the second through hole is communicated with the sliding pipe 33, high-pressure pulse air is sprayed out through the spray head 34 on the sliding pipe 33, the sprayed high-pressure air flow impacts the sliding dust removal net, impurities adhered on the dust removal net are blown away by the high-pressure air flow, the impurities on the dust removal net can be effectively cleaned, after the spray head 34 on the sliding pipe 33 cleans the dust removal net for a period of time, the linear driving member 35 is started, the linear driving member 35 drives the sliding tube 33, the first slider 36 and the second slider 37 to move along the guide of the guide rod 31, the first slide drives the pushing block 391 and the spring 392 to move, at this time, the pushing block 391 disengages from the air outlet and slides towards the counter bore, the pushing block 391 compresses the spring 392, the pushing block 391 disengages from the air outlet and abuts against the outer wall of the fixed tube 32 under the action of the spring 392, and continues to move under the action of the linear driving piece 35, so that the pushing block 391 is inserted into the next air outlet, and different parts of the dust removing net can be cleaned.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.
Claims (8)
1. A ventilation device, comprising:
the case assembly comprises a case and two dustproof nets, the interior of the case is hollow, two ends of the case are opened, and the two dustproof nets are arranged opposite to the two open ends of the case and are respectively connected to the case;
the fan is arranged in the case;
two dust removal components, two dust removal components and the dust screen are arranged in a one-to-one correspondence manner, each dust removal component comprises a guide rod, a fixed pipe, a sliding pipe, a plurality of spray heads and a linear driving piece, the guide rod and the fixed pipe are arranged in parallel and are connected with the case, the fixed pipe is hollow and is provided with an opening at one end, the outer wall of the fixed pipe is radially provided with a plurality of air outlet holes, the air outlet holes are distributed along the axial direction of the fixed pipe at equal intervals, the two ends of the sliding pipe are respectively connected with the guide rod and the fixed pipe in a sliding manner along the guide direction of the guide rod, the sliding pipe is selectively communicated with one of the air outlet holes, the air inlet end of each spray head is communicated with the sliding pipe, the air outlet end of each spray head is opposite to the dust screen, the linear driving piece is fixed on the case, and the output shaft of the linear driving piece is connected with the sliding pipe, the sliding pipe and the spray head are driven to move along the guide of the guide rod; and
the air inlet assembly comprises an air inlet pipe, the air inlet pipe is communicated with the two sliding pipes, and the open end of the fixed pipe is communicated with the air outlet end of the air inlet pipe.
2. The ventilation device of claim 1, wherein the air inlet tube is selectively in communication with the sliding tube.
3. The ventilation device according to claim 2, wherein the dust removing assembly further comprises a first slider and a second slider, the first slider and the second slider are slidably connected to the guide bar and the fixed tube, respectively, along the guide of the guide bar, and both ends of the sliding tube are connected to the first slider and the second slider, respectively.
4. The ventilation device according to claim 3, wherein the dust-removing assembly further comprises a plurality of sealing diaphragms, the sealing diaphragms are disposed in the fixing tube and are in one-to-one correspondence with the air outlet holes, one side of each sealing diaphragm is connected to the inner wall of the fixing tube, and the other side of each sealing diaphragm covers the air outlet hole.
5. The ventilation apparatus according to claim 4, wherein the second slider has a first through hole and a counter bore formed therein with respect to the fixed pipe, the second slider is slidably fitted to the fixed pipe through the first through hole, a large diameter end of the counter bore is close to the fixed pipe with respect to a small diameter end of the counter bore, the large diameter end of the counter bore is in communication with the through hole, and the small diameter end of the counter bore is in communication with the sliding pipe.
6. The ventilation device according to claim 5, wherein the dust removing assembly further comprises a communicating member, the communicating member comprises a pushing block and a spring, one end of the pushing block is cylindrical, the other end of the pushing block is conical, the pushing block is provided with a second through hole along the axial direction of the countersunk hole, the cylindrical end of the pushing block is slidably inserted into the large-diameter end of the countersunk hole, the conical end of the pushing block is arranged opposite to the air outlet hole, the spring is arranged in the large-diameter end of the countersunk hole, one end of the spring is connected to the inner wall of the bottom of the large-diameter end of the countersunk hole, and the other end of the spring is connected to the cylindrical end of the pushing block, so as to push the pushing block to be inserted into the air outlet hole and drive the pushing block to push the sealing membrane, so that the second through hole is communicated with the fixing pipe.
7. A ventilating device according to claim 6, wherein the outer wall of the cylindrical end and the outer wall of the conical end of the push block are connected by a circular arc surface.
8. The ventilation device of claim 2, wherein the air intake assembly further comprises a pulse valve disposed in the air intake conduit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011279533.XA CN112370891B (en) | 2020-11-16 | 2020-11-16 | Ventilation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011279533.XA CN112370891B (en) | 2020-11-16 | 2020-11-16 | Ventilation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112370891A CN112370891A (en) | 2021-02-19 |
| CN112370891B true CN112370891B (en) | 2022-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011279533.XA Active CN112370891B (en) | 2020-11-16 | 2020-11-16 | Ventilation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112370891B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6322618B1 (en) * | 1998-10-19 | 2001-11-27 | Texas Electroniques Canada Inc. | Adjustable duct assembly for fume and dust removal and filter cleaner |
| JP2004121901A (en) * | 2002-09-30 | 2004-04-22 | Hitachi Plant Eng & Constr Co Ltd | Bag filter type dust collector |
| CN102985154A (en) * | 2010-03-10 | 2013-03-20 | 喷雾系统公司 | Automatic flow blocking system for reverse pulse filter cleaning |
| CN207075277U (en) * | 2017-08-17 | 2018-03-09 | 广东飘之绿名木古树保护有限公司 | Ancient and well-known trees root system venthole perforating device |
| CN110508064A (en) * | 2019-09-03 | 2019-11-29 | 三一重机有限公司 | Air Filter, engine pack and excavator |
| CN110585821A (en) * | 2019-09-26 | 2019-12-20 | 安徽兰奇丝网织造有限公司 | Self-cleaning screen mesh |
| CN211424615U (en) * | 2019-12-14 | 2020-09-04 | 榆林学院 | Intelligent ventilation unit is used in classroom |
| CN111790033A (en) * | 2020-07-19 | 2020-10-20 | 郑水芝 | Cavity sealing assembly for breathing machine |
-
2020
- 2020-11-16 CN CN202011279533.XA patent/CN112370891B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6322618B1 (en) * | 1998-10-19 | 2001-11-27 | Texas Electroniques Canada Inc. | Adjustable duct assembly for fume and dust removal and filter cleaner |
| JP2004121901A (en) * | 2002-09-30 | 2004-04-22 | Hitachi Plant Eng & Constr Co Ltd | Bag filter type dust collector |
| CN102985154A (en) * | 2010-03-10 | 2013-03-20 | 喷雾系统公司 | Automatic flow blocking system for reverse pulse filter cleaning |
| CN207075277U (en) * | 2017-08-17 | 2018-03-09 | 广东飘之绿名木古树保护有限公司 | Ancient and well-known trees root system venthole perforating device |
| CN110508064A (en) * | 2019-09-03 | 2019-11-29 | 三一重机有限公司 | Air Filter, engine pack and excavator |
| CN110585821A (en) * | 2019-09-26 | 2019-12-20 | 安徽兰奇丝网织造有限公司 | Self-cleaning screen mesh |
| CN211424615U (en) * | 2019-12-14 | 2020-09-04 | 榆林学院 | Intelligent ventilation unit is used in classroom |
| CN111790033A (en) * | 2020-07-19 | 2020-10-20 | 郑水芝 | Cavity sealing assembly for breathing machine |
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| Publication number | Publication date |
|---|---|
| CN112370891A (en) | 2021-02-19 |
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