CN115682226B - Indoor ventilation system - Google Patents
Indoor ventilation system Download PDFInfo
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- CN115682226B CN115682226B CN202211437286.0A CN202211437286A CN115682226B CN 115682226 B CN115682226 B CN 115682226B CN 202211437286 A CN202211437286 A CN 202211437286A CN 115682226 B CN115682226 B CN 115682226B
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Abstract
The invention relates to the technical field of indoor ventilation, in particular to an indoor ventilation system, which comprises a main air pipe and a branch air pipe, wherein the branch air pipe is fixedly arranged on one side of the main air pipe through bolts.
Description
Technical Field
The invention relates to the technical field of indoor ventilation, in particular to an indoor ventilation system.
Background
The indoor ventilation system is a system which is installed in factories or hotels and the like for ventilating air, so that indoor air is discharged, the existing exhaust fan installed in an air pipe is used for discharging the indoor air when the indoor air is discharged, the exhaust fan is electrified when the indoor ventilation system is used, meanwhile, people = people are required to manually open the exhaust fan, ventilation operation can be realized, the operation is complex, and electric power waste is caused when the exhaust fan is always opened.
Accordingly, there is a need to provide an indoor ventilation system that solves the above-mentioned problems.
Disclosure of Invention
In order to solve the technical problems, the invention provides an indoor ventilation system for collecting shampoo which is likely to drip in the process of filling the shampoo and preventing equipment from being polluted.
The invention provides an indoor ventilation system, which comprises a main air pipe, a branch air pipe, a mounting frame, a first fixing block, a second fixing block, an adjusting mechanism and a fixing device, wherein the branch air pipe is fixedly arranged on one side of the main air pipe through bolts, the mounting frame is fixedly arranged at one end of the branch air pipe close to the main air pipe through bolts, the first fixing block is symmetrically and fixedly arranged on one side of the mounting frame, the second fixing block is symmetrically and fixedly arranged at the position of the inner wall of the branch air pipe corresponding to the first fixing block, the first fixing block is fixedly connected with the second fixing block through bolts, the adjusting mechanism for adjusting the size of an air opening of the branch air pipe and automatically exhausting air is fixedly arranged at one end of the mounting frame, the adjusting mechanism comprises a fixing column, a baffle plate, a first mounting block, a supporting rod, a supporting frame and a fixing guide rod, the fixing column is fixedly arranged at one end of the mounting frame through bolts, the baffle plate is rotatably arranged at the outer side of the fixing column, the first mounting block is symmetrically and fixedly arranged at one side of the first mounting block, the supporting rod is rotatably and fixedly arranged at the middle part of the supporting rod through a shaft pin, the supporting rod is fixedly arranged at the position of the supporting frame corresponding to the inner wall of the supporting frame, the supporting frame is fixedly arranged at the position of the supporting frame, and fixedly arranged at the supporting frame, and fixedly connected with the guide rod, and fixedly arranged at the supporting frame, and fixedly arranged at the position of the supporting frame, and used for controlling the supporting device. When the device is used, the installation frame is installed inside the split air pipe, the baffle can be driven to rotate according to different indoor and outdoor air pressures through the operation of the adjusting mechanism, automatic emission of indoor air is achieved, when rooms with the indoor air temperature required to be increased are needed, the baffle can be driven to seal the split air pipe through the operation of the fixing device, and the room temperature is kept.
Preferably, the end of the baffle is provided with a round angle. Preventing interference with the rotation of the baffle.
Preferably, the upper and lower surfaces of the baffle plate are attached to the inner wall of the mounting frame. The relatively closed environment between the baffle and the mounting frame is realized.
Preferably, the fixed guide rod and the guide hole are closely attached to slide. The stability that the middle part of the supporting rod slides along the fixed guide rod is realized.
Preferably, the supporting rod is attached to the inner wall of the supporting frame. The support of the support frame to the support rod is realized.
Preferably, the fixing device comprises a second installation block, a first connecting rod, an installation hole, a rotating rod, a second connecting rod, a torsion spring, a fixing rod, a first rotating groove, a second rotating groove, a first clamping plate, a second clamping plate, a clamping block and a clamping groove, wherein the second installation block is fixedly installed at one end of the installation frame, which is close to the fixing column, the first connecting rod is installed at the middle part of the second installation block through rotation of a shaft pin, the installation hole is formed in one end of the first connecting rod, which is far away from the second installation block, the rotating rod is installed at the middle part of the installation hole, a second connecting rod is fixedly installed at the bottom of the rotating rod, the torsion spring is sleeved outside the rotating rod, one end of the torsion spring is fixedly connected with the first connecting rod, the other end of the torsion spring is fixedly connected with the second connecting rod, the fixing rod is fixedly installed at one end of the second connecting rod, the first rotating groove and the second rotating groove are respectively formed in the middle part of the installation frame, the first clamping plate and the second clamping plate are respectively installed at the middle part of the first rotating groove and the second rotating groove, the clamping block is fixedly installed at one end of the first clamping groove, and the clamping groove is uniformly connected with the first clamping groove and the second clamping groove. Through pulling the dead lever, the back rotates the second cardboard, drives second cardboard card inside the draw-in groove, realizes the fixed to the baffle position, realizes indoor sealing.
Preferably, the clamping block is provided with a chamfer corresponding to the top of the clamping groove. The first clamping plate and the second clamping plate are conveniently clamped inside the clamping groove.
Preferably, the first clamping plate and the second clamping plate are tightly attached to the clamping groove. Realize that first cardboard and the stable card of second cardboard are inside the draw-in groove.
Compared with the related art, the invention has the following beneficial effects:
when the indoor air is ventilated, the air flowing through the main air pipe is the air flowing out of the plurality of branch air pipes and the air communicated with the outside, at the moment, the air in the main air pipe has high flow speed and low pressure, and the flow speed and the pressure of indoor air are low, so that the indoor air has a pushing force on the baffle plate according to the Bernoulli principle, the baffle plate can be driven to rotate, the automatic discharge of the indoor air is realized, meanwhile, the indoor temperature is increased under long-time accumulation, meanwhile, the indoor pressure is high, the main air pipe is communicated with the outside air all the time, the air temperature is low, the pressure is low, the baffle plate can be driven to rotate, the automatic discharge of the indoor air is realized, an exhaust fan for exhausting the indoor air at any time is not needed to be added in each room, and meanwhile, the electric power is saved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of a partial cross-sectional structure of the present invention;
FIG. 3 is a schematic view of a partially cut-away exploded construction of the present invention;
FIG. 4 is a schematic exploded view of the adjustment mechanism of the present invention;
fig. 5 is an enlarged view at a in fig. 4.
Reference numerals in the drawings: 1. a main air pipe; 2. a wind dividing pipe; 3. a mounting frame; 4. a first fixed block; 5. a second fixed block; 6. an adjusting mechanism; 7. a fixing device; 61. fixing the column; 62. a baffle; 63. a first mounting block; 64. a support rod; 65. a guide hole; 66. a support frame; 67. fixing a guide rod; 71. a second mounting block; 72. a first connecting rod; 73. a mounting hole; 74. a rotating rod; 75. a second connecting rod; 76. a torsion spring; 77. a fixed rod; 78. a first rotating groove; 79. a second rotary groove; 710. a first clamping plate; 711. a second clamping plate; 712. a clamping block; 713. a clamping groove.
Detailed Description
The invention will be further described with reference to the drawings and embodiments.
Referring to fig. 1 to 5, an indoor ventilation system includes a main air duct 1 and a sub air duct 2, the sub air duct 2 is fixedly installed on one side of the main air duct 1 through bolts, further include a mounting bracket 3, a first fixing block 4, a second fixing block 5, an adjusting mechanism 6 and a fixing device 7, one end mid-mounting of the sub air duct 2 near the main air duct 1 is provided with the mounting bracket 3, one end inner wall symmetry fixed mounting of the mounting bracket 3 has the first fixing block 4, the inner wall of the sub air duct 2 corresponds to the position symmetry fixed mounting of the first fixing block 4 has the second fixing block 5, one end of the first fixing block 4 is fixedly connected with the second fixing block 5 through bolts, one end of the mounting bracket 3 is fixedly mounted with an adjusting mechanism 6 for adjusting the size of an air opening of the sub air duct 2 and automatically exhausting, the adjusting mechanism 6 includes a fixing post 61, a baffle 62, a first mounting block 63, supporting rods 64, 65, a supporting frame 66 and a fixing 67, one end of the mounting bracket 3 is fixedly mounted with the fixing post 61 through bolts, one side symmetry fixed mounting block 62 is rotatably mounted on the outer side of the fixing post 61, one side symmetry fixed mounting bracket 62 is fixedly mounted with the first fixing block 63 corresponding to the fixing post 64, one end of the supporting rod 67 is fixedly mounted with the supporting rod 67 through the fixing post 64, and the middle part is fixedly mounted with the supporting rod 67. When the device is used, the mounting frame 3 is arranged inside the air distribution pipe 2, the first fixing block 4 and the second fixing block 5 are fixed through the bolts, when indoor air is ventilated, the air flowing through the main air pipe 1 is the air flowing out of the plurality of air distribution pipes 2 and the air communicated with the outside, at the moment, the air flow rate in the main air pipe 1 is high, the pressure intensity is small, the flow rate of indoor air is low, the pressure intensity is high, the force for pushing the baffle plate 62 is generated by the indoor air according to the Bernoulli principle, the baffle plate 62 can be driven to rotate, the automatic discharge of the indoor air is realized, meanwhile, the indoor pressure is high, the main air pipe 1 is communicated with the outside air all the time, the air temperature is low, the pressure intensity is low, the baffle plate 62 can be driven to rotate, the automatic discharge of the indoor air is realized, meanwhile, the guide hole 65 in the support rod 64 slides outside the fixed guide rod 67, the support principle and the limit are realized, and the indoor air can be driven to keep the room temperature of the baffle plate 62 to be kept at the room temperature by the fixed device 7 when the indoor air temperature is required to be increased.
Referring to fig. 1 to 5 in combination, the end of the baffle 62 is provided with rounded corners. Preventing interference with rotation of the baffle 62.
Referring to fig. 1 to 5, the upper and lower surfaces of the baffle 62 are attached to the inner wall of the mounting frame 3. A relatively closed environment between the baffle 62 and the mounting 3 is achieved.
Referring to fig. 1 to 5, the fixed guide 67 and the guide hole 65 are closely attached to each other. The stability of the middle part of the support bar 64 sliding along the fixed guide bar 67 is achieved.
Referring to fig. 1 to 5, the support rod 64 is attached to an inner wall of the support frame 66. Support of the support rods 64 by the support frame 66 is achieved.
Referring to fig. 1 to 5, the fixing device 7 includes a second mounting block 71, a first connecting rod 72, a mounting hole 73, a rotating rod 74, a second connecting rod 75, a torsion spring 76, a fixing rod 77, a first rotating groove 78, a second rotating groove 79, a first clamping plate 710, a second clamping plate 711, a clamping block 712 and a clamping groove 713, wherein the second mounting block 71 is fixedly mounted at one end of the mounting frame 3, which is close to the fixing column 61, the first connecting rod 72 is rotatably mounted at the middle part of the second mounting block 71 through a shaft pin, the mounting hole 73 is formed at one end of the first connecting rod 72, the rotating rod 74 is rotatably mounted at the middle part of the mounting hole 73, the second connecting rod 75 is fixedly mounted at the bottom of the rotating rod 74, the torsion spring 76 is sleeved at the outer side of the rotating rod 74, one end of the torsion spring 76 is fixedly connected with the first connecting rod 72, the other end of the torsion spring 76 is fixedly connected with the second connecting rod 75, the fixing rod 77 is fixedly mounted at one end of the second connecting rod 75, the first rotating groove 78 and the second clamping groove 79 are respectively formed at the middle part of the fixing rod 77, the first rotating groove 78 and the second rotating groove 79 are respectively formed at the middle part of the fixing rod 77, the middle part of the first rotating rod 78 and the second clamping groove 79 is rotatably mounted at the middle part of the fixing rod 79 is respectively, the middle part of the first clamping block 710 and the clamping block 710 is fixedly mounted at the middle part of the clamping block 711 and the clamping block 711 is respectively, and the clamping block 710 is fixedly mounted at the clamping groove and respectively, and the clamping block and is respectively, and the clamping block and 713 is fixedly connected. Simultaneously, the first clamping plate 710 is clamped inside the clamping groove 713 to realize connection and support of the first connecting rod 72 and the second connecting rod 75, meanwhile, as the first connecting rod 72 is arranged at one end of the baffle 62 close to the fixed column 61, the connection of the first connecting rod 72 and the second connecting rod 75 can not influence the rotation of the baffle 62, simultaneously, in the rotation process of the baffle 62, the restoring force of the torsion spring 76 drives the first connecting rod 72 and the second connecting rod 75 to rotate relatively less, when a room with the temperature of the indoor air needs to be increased, people rotate out of the clamping groove 713 through the first clamping plate 710, pull the fixed rod 77 after the first connecting rod 72 and the second connecting rod 75 are subjected to certain tensioning operation, then rotate the second clamping plate 711 to drive the second clamping plate 711 to clamp inside the clamping groove 713, so as to realize the fixation of the position of the baffle 62, prevent the pressure difference inside and outside the room from driving the baffle 62 to rotate, and realize the indoor sealing.
Referring to fig. 1 to 5, the top of the clamping groove 713 corresponding to the clamping block 712 is provided with a chamfer. The first card 710 and the second card 711 are conveniently clamped inside the card slot 713.
Referring to fig. 1 to 5, the first clamping plate 710 and the second clamping plate 711 are closely attached to the clamping groove 713. The first clamping plate 710 and the second clamping plate 711 are stably clamped in the clamping groove 713.
When the device is used, the mounting frame 3 is arranged in the air distribution pipe 2, the first fixing block 4 and the second fixing block 5 are fixed through the bolts, when the indoor air is ventilated, the air flowing through the main air pipe 1 is the air flowing out of the plurality of air distribution pipes 2 and the air communicated with the outside, at the moment, because the air flow rate in the main air pipe 1 is high, the pressure intensity is low, the flow rate and the pressure intensity of the indoor air are high, according to the Bernoulli principle, the indoor air has a pushing force on the baffle plate 62, the baffle plate 62 can be driven to rotate, the automatic discharge of the indoor air is realized, meanwhile, the indoor temperature is raised under long-time accumulation, meanwhile, the indoor pressure is strong, the main air pipe 1 is always communicated with the outside air, the air temperature is low, the pressure intensity is low, the baffle plate 62 can be driven to rotate simultaneously, the automatic discharge of the indoor air is realized, meanwhile, the guide hole 65 in the support rod 64 slides outside the fixed guide rod 67 to support and limit the baffle plate 62, meanwhile, the first clamping plate 710 is clamped in the clamping groove 713 to connect and support the first connecting rod 72 and the second connecting rod 75, meanwhile, as the first connecting rod 72 is arranged at one end of the baffle plate 62 close to the fixed column 61, the connection of the first connecting rod 72 and the second connecting rod 75 does not influence the rotation of the baffle plate 62, simultaneously, in the rotation process of the baffle plate 62, the restoring force of the torsion spring 76 drives the first connecting rod 72 and the second connecting rod 75 to rotate relatively less, when a room needing to increase the indoor air temperature is needed, people pull the fixed rod 77 after pulling the first clamping plate 710 out of the clamping groove 713 to perform certain tensioning operation on the first connecting rod 72 and the second connecting rod 75, the second clamping plate 711 is rotated afterwards to drive the second clamping plate 711 to be clamped in the clamping groove 713, so that the position of the baffle plate 62 is fixed, the baffle plate 62 is prevented from being rotated by different indoor and outdoor pressures, the indoor sealing is realized, and the room temperature is kept.
The foregoing is only illustrative of the present invention and is not to be construed as limiting the scope of the invention, and all equivalent structures or equivalent flow modifications which may be made by the teachings of the present invention and the accompanying drawings or which may be directly or indirectly employed in other related art are within the scope of the invention.
Claims (7)
1. An indoor ventilation system comprises a main air pipe (1) and a branch air pipe (2), the branch air pipe (2) is fixedly arranged on one side of the main air pipe (1) through bolts, and is characterized by further comprising a mounting frame (3), a first fixing block (4), a second fixing block (5), an adjusting mechanism (6) and a fixing device (7), wherein the mounting frame (3) is arranged at one end middle part of the branch air pipe (2) close to the main air pipe (1), the first fixing block (4) is symmetrically and fixedly arranged at one end inner wall of the mounting frame (3), the second fixing block (5) is symmetrically and fixedly arranged at the position of the inner wall of the branch air pipe (2) corresponding to the first fixing block (4), the first fixing block (4) and the second fixing block (5) are fixedly connected through bolts, the adjusting mechanism (6) for adjusting the size of an air opening of the branch air pipe (2) and automatically exhausting air is fixedly arranged at one end of the mounting frame (3), the adjusting mechanism (6) comprises a fixing column (61), a baffle plate (62), a first mounting block (63), a supporting rod (64), a guide hole (65) and a guide rod (66) are fixedly arranged at one end of the mounting frame (61) through the fixing column (67), the outside rotation of fixed column (61) is installed baffle (62), one side symmetry fixed mounting of baffle (62) has first installation piece (63), the middle part of first installation piece (63) is installed through the pivot rotation bracing piece (64), guide hole (65) have been seted up at the middle part of bracing piece (64), the inner wall of mounting bracket (3) corresponds the position symmetry fixed mounting of bracing piece (64) has support frame (66), the middle part fixed mounting of support frame (66) has fixed guide arm (67), fixed guide arm (67) and guide hole (65) sliding connection, the one end fixed mounting of mounting bracket (3) has fixing device (7) that are used for controlling the position of baffle (62), fixing device (7) are including second installation piece (71), first connecting rod (72), mounting hole (73), bull stick (74), second connecting rod (75), torsion spring (76), dead lever (77), first change groove (78), second change groove (79), first cardboard (710), second cardboard (711) and draw-in groove (713), one end fixed mounting bracket (3) is close to fixed column (71), the middle part of second installation piece (71) is through pivot rotation installation head rod (72), mounting hole (73) have been seted up to the one end that second installation piece (71) was kept away from to head rod (72), the middle part of mounting hole (73) rotates and installs bull stick (74), the bottom fixed mounting second connecting rod (75) of bull stick (74), the outside cover of bull stick (74) is equipped with torsion spring (76), the one end and the head rod (72) fixed connection of torsion spring (76), the other end and the second connecting rod (75) fixed connection of torsion spring (76), the one end fixed mounting who keeps away from bull stick (74) of second connecting rod (75) has dead lever (77), first tongue (78) and second tongue (79) have been seted up respectively to the middle part of dead lever (77), first cardboard (710) and second cardboard (711) are installed in the middle part of bull stick (74) fixed mounting of torsion spring (76), the one end and the first cardboard (712) are installed in fixed connection of clamp pipe (76), draw-in groove (713) are all seted up with first cardboard (713).
2. An indoor ventilation system according to claim 1, characterized in that the end of the baffle (62) is rounded.
3. An indoor ventilation system according to claim 1, characterized in that the upper and lower surfaces of the baffle plate (62) are fitted to the inner wall of the mounting frame (3).
4. An indoor ventilation system according to claim 1, characterized in that the fixed guide rod (67) slides in close fit with the guide hole (65).
5. An indoor ventilation system according to claim 1, characterized in that the support bar (64) is fitted to the inner wall of the support frame (66).
6. The indoor ventilation system according to claim 1, wherein the clip (712) is chamfered at the top of the clip groove (713).
7. An indoor ventilation system according to claim 1, characterized in that the first clamping plate (710) and the second clamping plate (711) are arranged in close fit with the clamping groove (713).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211437286.0A CN115682226B (en) | 2022-11-16 | 2022-11-16 | Indoor ventilation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211437286.0A CN115682226B (en) | 2022-11-16 | 2022-11-16 | Indoor ventilation system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115682226A CN115682226A (en) | 2023-02-03 |
| CN115682226B true CN115682226B (en) | 2023-09-29 |
Family
ID=85053055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211437286.0A Active CN115682226B (en) | 2022-11-16 | 2022-11-16 | Indoor ventilation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115682226B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2639098A1 (en) * | 1988-11-14 | 1990-05-18 | Coussement Rene | Device for the effective and controllable natural ventilation of premises |
| JP2002130758A (en) * | 2000-10-23 | 2002-05-09 | Matsushita Seiko Co Ltd | Ventilator |
| CN101206064A (en) * | 2007-12-18 | 2008-06-25 | 深圳市建筑科学研究院有限公司 | Building natural ventilation device and installation method |
| CN201724332U (en) * | 2010-08-13 | 2011-01-26 | 重庆星能建筑节能技术发展有限公司 | Self circulation culvert-type natural ventilation device |
| KR20170004692A (en) * | 2015-07-03 | 2017-01-11 | 주식회사 에이에이테크 | Ventilator equipped with air intake-tube |
| CN206094420U (en) * | 2016-10-14 | 2017-04-12 | 杨广军 | Automatic exhaust device in house |
| CN106594901A (en) * | 2017-02-15 | 2017-04-26 | 东莞市绿康能电器科技有限公司 | Air purifier with indoor circulation and indoor and outdoor air change functions and controlling system thereof |
| JP3229719U (en) * | 2020-09-04 | 2020-12-17 | 蘇州百創達環保科技有限公司 | Air volume control system used for clean room purification |
| CN213144176U (en) * | 2020-06-11 | 2021-05-07 | 四川申力门业有限责任公司 | Anti-theft lock chain of door |
| CN114776155A (en) * | 2022-04-29 | 2022-07-22 | 王碧爱 | Multifunctional window |
| CN217503895U (en) * | 2022-06-24 | 2022-09-27 | 西安亚川电力科技有限公司 | Ventilation unit is used in building automatic control |
-
2022
- 2022-11-16 CN CN202211437286.0A patent/CN115682226B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2639098A1 (en) * | 1988-11-14 | 1990-05-18 | Coussement Rene | Device for the effective and controllable natural ventilation of premises |
| JP2002130758A (en) * | 2000-10-23 | 2002-05-09 | Matsushita Seiko Co Ltd | Ventilator |
| CN101206064A (en) * | 2007-12-18 | 2008-06-25 | 深圳市建筑科学研究院有限公司 | Building natural ventilation device and installation method |
| CN201724332U (en) * | 2010-08-13 | 2011-01-26 | 重庆星能建筑节能技术发展有限公司 | Self circulation culvert-type natural ventilation device |
| KR20170004692A (en) * | 2015-07-03 | 2017-01-11 | 주식회사 에이에이테크 | Ventilator equipped with air intake-tube |
| CN206094420U (en) * | 2016-10-14 | 2017-04-12 | 杨广军 | Automatic exhaust device in house |
| CN106594901A (en) * | 2017-02-15 | 2017-04-26 | 东莞市绿康能电器科技有限公司 | Air purifier with indoor circulation and indoor and outdoor air change functions and controlling system thereof |
| CN213144176U (en) * | 2020-06-11 | 2021-05-07 | 四川申力门业有限责任公司 | Anti-theft lock chain of door |
| JP3229719U (en) * | 2020-09-04 | 2020-12-17 | 蘇州百創達環保科技有限公司 | Air volume control system used for clean room purification |
| CN114776155A (en) * | 2022-04-29 | 2022-07-22 | 王碧爱 | Multifunctional window |
| CN217503895U (en) * | 2022-06-24 | 2022-09-27 | 西安亚川电力科技有限公司 | Ventilation unit is used in building automatic control |
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| Publication number | Publication date |
|---|---|
| CN115682226A (en) | 2023-02-03 |
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