CN114738894A - Building energy-saving ventilation device - Google Patents
Building energy-saving ventilation device Download PDFInfo
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- CN114738894A CN114738894A CN202210490216.5A CN202210490216A CN114738894A CN 114738894 A CN114738894 A CN 114738894A CN 202210490216 A CN202210490216 A CN 202210490216A CN 114738894 A CN114738894 A CN 114738894A
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- rod
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- 238000009423 ventilation Methods 0.000 title claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims abstract description 66
- 210000001503 joint Anatomy 0.000 claims abstract description 49
- 238000007789 sealing Methods 0.000 claims abstract description 24
- 238000007664 blowing Methods 0.000 claims abstract description 12
- 230000005484 gravity Effects 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 241000883990 Flabellum Species 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000005399 mechanical ventilation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/007—Ventilation with forced flow
- F24F7/013—Ventilation with forced flow using wall or window fans, displacing air through the wall or window
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air-Flow Control Members (AREA)
Abstract
The invention relates to the technical field of ventilation devices, in particular to a building energy-saving ventilation device which comprises a fixing box, a force borrowing mechanism and a blowing and sucking mechanism, wherein a grid plate is fixedly connected to an opening position on one side of the fixing box, the force borrowing mechanism comprises an air duct, a first sleeve is fixedly communicated with the middle position of the outer side wall of the air duct, and the first sleeve is rotatably connected with the grid plate. According to the invention, through the arrangement of the butt joint pipe and the sealing plate, when external air flow blows along a wall surface, the air flow drives the fan blade II to rotate through the force-assisted mechanism, the rotation direction of the fan blade II is switched through the transmission mechanism, when the fan blade II rotates to blow air into the air pipe, the sealing plate deflects outwards, the air inflow of the air pipe is increased, indoor air exchange is accelerated, when the fan blade II sucks air into the air pipe, the fan blade II and the butt joint pipe move the plurality of sealing plates to be closed towards the air pipe, the butt joint pipe and the air pipe are sealed, so that air suction in the air pipe is realized, and air inlet and exhaust are switched as required.
Description
Technical Field
The invention relates to the technical field of ventilation devices, in particular to an energy-saving ventilation device for a building.
Background
The building ventilation is divided into natural ventilation and mechanical ventilation, which means that dirty air in a building is directly or after being purified, discharged to the outside, and fresh air is supplemented, so that the indoor air environment is kept in accordance with the sanitary standard. The purpose is as follows: ensuring the removal of indoor pollutants, ensuring the thermal comfort of indoor personnel and meeting the requirements of the indoor personnel on fresh air.
The existing ventilation device is generally provided with a fan in a ventilation pipeline, the fan is driven to rotate by external air flow or a motor to supply or exhaust air, the air supply and exhaust efficiency of the fan is the same under the same rotating speed, generally, the indoor air supply quantity is larger than the exhaust quantity because the indoor air supply quantity is not in a completely sealed state (gaps such as door gaps, window gaps and the like exist), and an energy-saving ventilation device capable of increasing the air intake quantity under the condition of switching to supply air to the indoor air is needed.
Disclosure of Invention
In order to overcome the technical problems, the invention aims to provide an energy-saving ventilating device for buildings, which comprises a butt joint pipe and a sealing plate, when the external air flow blows along the wall surface, the air flow drives the second shaft lever to rotate through the force-borrowing mechanism and the transmission mechanism, the second shaft lever drives the second fan blade to rotate through the third sleeve, when the second fan blade rotates to blow air into the air pipe, the reaction force of the air flow drives the second fan blade and the butt joint pipe to move away from the air pipe, the sealing plate deflects outwards, so that when the fan blades blow air into the air duct, the air on the outer side wall of the butt joint pipe is sucked into the air duct, thereby increasing the air inflow of the air pipe under the condition of not increasing the rotating speed of the fan blades II, accelerating the indoor air exchange, when the fan blade II sucks air into the air pipe, the fan blade II and the butt joint pipe are folded by moving the sealing plates towards the air pipe, so that the butt joint pipe and the air pipe are sealed, and air suction in the air pipe is realized.
The purpose of the invention can be realized by the following technical scheme:
a building energy-saving ventilation device comprises a fixed box, a force borrowing mechanism and a blowing and sucking mechanism, wherein a grid plate is fixedly connected to an opening position on one side of the fixed box, the force borrowing mechanism comprises an air duct, a first sleeve is fixedly communicated with the middle position of the outer side wall of the air duct, the first sleeve is rotatably connected with the grid plate, a first fan blade is arranged in the air duct, a tail plate is arranged at one end of the air duct, a second rotating shaft is rotatably connected with the inner wall of the first sleeve, the first fan blade is in transmission connection with the second rotating shaft, the blowing and sucking mechanism comprises a second shaft lever and a third sleeve, a third sleeve is slidably sleeved at one end of the second shaft lever, a second fan blade is fixedly sleeved at the outer side wall of one end of the third sleeve, the air duct is fixedly communicated with the other side wall of the fixed box, a plurality of sealing plates are fixedly connected at equal angles with one end of the annular outer side wall of the air duct, and slide rail members are fixedly connected to the inner side walls of the sealing plates, the outer side of the second fan blade is provided with a butt joint pipe, the annular inner side wall of one end of the butt joint pipe is fixedly connected with a plurality of push rods which are in one-to-one correspondence with the slide rail pieces, one end of each push rod is in sliding connection with the corresponding slide rail piece, the inner wall of the butt joint pipe is fixedly connected with a connecting rod which is rotatably sleeved with the sleeve barrel, the outer side wall of the butt joint pipe is in sliding connection with the inner wall of the fixed box, a transmission mechanism is rotatably connected between the second shaft rod and the second rotating shaft, and the transmission direction between the second shaft rod and the second rotating shaft can be switched through the transmission mechanism.
Further, the method comprises the following steps: the inside wall of dryer has linked firmly the mounting, one end lateral wall of mounting has linked firmly pivot one, pivot one and flabellum one are fixed cup joints, the annular lateral wall of pivot one all is fixed cup joints bevel gear one with the one end of pivot two, and meshes between two bevel gear one, the one end of tailboard links firmly with another lateral wall of mounting one end, and the rotation of flabellum one drives pivot two through pivot one and two bevel gear one and rotates, and pivot two passes through drive mechanism and drives axostylus axostyle two and rotate.
Further, the method comprises the following steps: the utility model discloses a butt joint pipe, including butt joint pipe, fixed case, slide groove piece, gag lever post, stopper, limiting rod, runner piece sliding connection, the lateral wall both sides position of butt joint pipe all links firmly the gag lever post, the both sides inside wall of fixed case has all linked firmly the slide groove piece, the one end of gag lever post and the slide groove piece sliding connection of next-door neighbour's position make things convenient for the butt joint pipe to remove, avoid the butt joint pipe to rotate simultaneously.
The method is further characterized in that: the transmission mechanism comprises a fluted disc, the fluted disc is fixedly sleeved with the other end of a second shaft lever, a fixed plate is fixedly connected between the inner side walls at two sides of the fixed box, the middle position of the top surface of the fixed plate is rotatably connected with a first shaft lever, the inner side wall of the grid plate is fixedly connected with a third rotating shaft, the outer side wall of the third rotating shaft and the top end of the first shaft lever are fixedly sleeved with a second bevel gear, the two bevel gears are meshed with each other, the top surface of the fixed plate is fixedly connected with a fixed rod, the top end of the fixed rod is rotatably connected with one end of the second shaft lever, the outer side wall of one end of the second shaft lever and one end of the third rotating shaft are both fixedly sleeved with belt wheels, a belt is rotatably connected between the two belt wheels, the outer side wall of the first shaft lever is slidably sleeved with a second sleeve, the top end of the second sleeve is fixedly sleeved with a transmission gear, the transmission gear is meshed with the fluted disc, and the top surface of the fixed plate is fixedly connected with an adjusting module, the adjusting module is used for adjusting and limiting the height position of the transmission gear, the second rotating shaft drives the transmission gear to rotate in the forward direction through the fluted disc, the transmission gear drives the first shaft rod to rotate through the second sleeve, the first shaft rod drives the third rotating shaft to rotate through the second two bevel gears, and the third rotating shaft drives the second shaft rod to rotate through the belt wheel and the belt.
Further, the method comprises the following steps: the adjusting module comprises a spring buckle, one end of the spring buckle is fixedly connected with one side wall of the fixed rod, the bottom end of the sleeve II is rotatably sleeved with the ring piece, one side of the bottom surface of the ring piece is fixedly connected with the guide rod, the top surface of the fixed plate is fixedly connected with the support plate, the return spring is fixedly connected between the top surface of the support plate and the ring piece, the top surface of the support plate is provided with a first round hole corresponding to the bottom end of the guide rod, the bottom end of the outer side wall of the guide rod is provided with a notch groove matched with the movable end of the spring buckle, one outer side wall of the fixed rod is provided with a second round hole corresponding to the spring buckle, the outer wall of the other side of the fixed box is provided with a threading groove, the bottom end of the guide rod is fixedly connected with a first stay cord, one end of the first stay cord penetrates through the first round hole and the threading groove to extend to the outer side of the fixed box, and one end of the movable end of the spring buckle, which deviates from the first shaft rod, is fixedly connected with a second stay cord, and one end of the second pull rope passes through the second round hole and the threading groove and extends to the outer side of the fixed box, the transmission gear is initially positioned at the top end of the first shaft rod, the transmission gear is meshed with the top side of the fluted disc, when the direction of the second shaft rod needs to be switched, the first pull rope is pulled, the guide rod drives the transmission gear to move downwards through the ring piece, the notch groove is clamped with the spring buckle on the guide rod, the transmission gear is meshed with the bottom side of the fluted disc, the fluted disc drives the transmission gear to rotate reversely, the turning of the second shaft rod and the second fan blade is changed, the second pull rope is pulled, the movable end of the spring buckle retracts and is separated from the guide rod, the transmission gear moves upwards under the elastic action of the reset spring to reset, the turning of the second fan blade is switched as required, and air supply to the indoor or exhaust to the outdoor as required is realized.
Further, the method comprises the following steps: the other end of dryer links firmly the counter weight ring, and the whole focus of borrowing the mechanism is located the axis of pivot two, avoids the rotation of the gravity interference dryer of borrowing the mechanism, makes things convenient for the tailboard to drive the dryer and rotates the adjustment direction.
Further, the method comprises the following steps: the inner diameter of the middle position of the air duct is smaller than the inner diameters of the two end positions of the air duct, so that the speed of the air flow is increased when the air flow passes through the middle position of the air duct, and the rotating speed of the first fan blade is increased.
Further, the method comprises the following steps: the inner diameter of one end, close to the air pipe, of the butt joint pipe is smaller than that of the air pipe, so that the air pipe can receive air flow conveniently.
The invention has the beneficial effects that:
1. through the arrangement of the butt joint pipe and the sealing plate, when external air flow blows along the wall surface, the air flow penetrates through the air duct to drive the first fan blade to rotate, the first fan blade rotates to drive the second shaft lever to rotate through the second rotating shaft and the transmission mechanism, the second shaft lever drives the second fan blade to rotate through the third sleeve barrel, when the second fan blade rotates to blow air into the air duct, the reaction force of the air flow drives the second fan blade and the third sleeve barrel to slide along the second shaft lever in the direction away from the air duct, the third sleeve barrel drives the butt joint pipe to move away from the air duct through the connecting rod, the butt joint pipe extrudes the sliding rail piece through the push rod to enable the sealing plate to deflect outwards, so that a gap is formed between the butt joint pipe and the air duct, when the second fan blade blows air into the air duct, the air flow moves at a high speed to generate negative pressure, so that the air on the outer side wall of the butt joint pipe is sucked into the air duct through the gap, the air inflow of the air duct is increased under the condition that the rotating speed of the second fan blade is not increased, and indoor ventilation is accelerated, when the fan blade II sucks air into the air duct (exhausts air to the outside), the air flow reaction force drives the fan blade II and the butt joint pipe to move close to the air duct, the push rod drives one end of the sealing plate to deflect inwards through the sliding rail piece, the plurality of sealing plates are folded, the butt joint pipe and the air duct are sealed, and therefore air suction in the air duct is achieved;
2. through the arrangement of the transmission mechanism, the transmission gear is initially positioned at the top end of the first shaft lever, the transmission gear is meshed with the top side of the fluted disc, the second rotating shaft drives the transmission gear to rotate forwards through the fluted disc, when the direction of the second shaft lever needs to be switched, the first pull rope is pulled, the guide rod drives the transmission gear to move downwards through the ring piece, the notch groove on the guide rod is clamped with the spring buckle, the transmission gear is meshed with the bottom side of the fluted disc, the fluted disc drives the transmission gear to rotate reversely, the steering of the second shaft lever and the second fan blade is changed, the second pull rope is pulled, the movable end of the spring buckle retracts to be separated from the guide rod, the transmission gear moves upwards under the elastic action of the reset spring to reset, the steering of the second fan blade is switched as required, and air is supplied to the room or exhausted to the outside as required;
drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view showing the internal structure of the fixing case of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is a schematic view of the structure of the transmission mechanism of the present invention;
FIG. 5 is a schematic view of the blowing state structure of the blowing and sucking mechanism of the present invention;
FIG. 6 is a schematic view of the internal structure of the butt-joint pipe according to the present invention;
FIG. 7 is a schematic view of the structure of the air suction and blowing mechanism of the present invention in the air suction state;
FIG. 8 is a schematic view of the sealing plate and the push rod of the present invention.
In the figure: 100. a fixed box; 110. a grid plate; 120. a chute member; 200. a force-borrowing mechanism; 210. an air duct; 211. a first sleeve; 220. a tail plate; 230. a fixing member; 240. a first rotating shaft; 241. a first bevel gear; 250. a first fan blade; 260. a second rotating shaft; 300. a transmission mechanism; 310. a fixing plate; 311. fixing the rod; 320. a rotating shaft III; 321. a second bevel gear; 322. a pulley; 330. a transmission gear; 331. a second sleeve; 340. an adjustment module; 341. a ring member; 342. a guide rod; 343. a return spring; 344. a support plate; 345. a spring buckle; 350. a first shaft lever; 360. a fluted disc; 400. a blowing and sucking mechanism; 410. an air duct; 420. sealing plates; 421. a slide rail member; 430. butt-joint pipes; 431. a push rod; 432. a connecting rod; 433. a limiting rod; 440. a sleeve III; 441. a second fan blade; 450. and a second shaft lever.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, an energy-saving ventilating device for buildings comprises a fixing box 100, a force-borrowing mechanism 200 and a blowing and sucking mechanism 400, wherein a grid plate 110 is fixedly connected to an opening position on one side of the fixing box 100, the force-borrowing mechanism 200 comprises an air duct 210, a first sleeve 211 is fixedly communicated with the middle position of an outer side wall of the air duct 210, the first sleeve 211 is rotatably connected with the grid plate 110, a first fan blade 250 is arranged inside the air duct 210, a tail plate 220 is arranged at one end of the air duct 210, a second rotating shaft 260 is rotatably connected to the inner wall of the first sleeve 211, the first fan blade 250 is in transmission connection with the second rotating shaft 260, the blowing and sucking mechanism 400 comprises a second shaft rod 450 and an air duct 410, a third sleeve 440 is slidably sleeved at one end of the second shaft rod 450, a second fan blade 441 is fixedly sleeved on an outer side wall of one end of the third sleeve 440, the air duct 410 is fixedly communicated with the other side wall of the fixing box 100, a plurality of sealing plates 420 are fixedly connected at equal angles to one end of an annular outer side wall of the air duct 410, the inner side wall of the sealing plate 420 is fixedly connected with a sliding rail piece 421, the outer side of the fan blade two 441 is provided with a butt joint pipe 430, the annular inner side wall of one end of the butt joint pipe 430 is fixedly connected with a plurality of push rods 431 which are in one-to-one correspondence with the sliding rail pieces 421, one end of each push rod 431 is in sliding connection with the corresponding sliding rail piece 421, the inner wall of the butt joint pipe 430 is fixedly connected with a connecting rod 432 which is rotatably sleeved with a sleeve three 440, the outer side wall of the butt joint pipe 430 is in sliding connection with the inner wall of the fixed box 100, a transmission mechanism 300 is rotatably connected between the shaft rod two 450 and the rotating shaft two 260, the transmission direction between the shaft rod two 450 and the rotating shaft two 260 can be switched by the transmission mechanism 300, the fixed box 100 is embedded and installed in a groove hole reserved on a vertical wall body, the other end of the air pipe 410 is located indoors, the force borrowing mechanism 200 is located outdoors, when external air flow blows along the wall surface, the tail plate 220 drives the air pipe 210 to rotate, so that the air pipe 210 aligns with the air flow, when the air flow passes through the air pipe 210, the fan blade one 250 rotates, the first fan blade 250 rotates to drive the second shaft lever 450 to rotate through the second rotating shaft 260 and the transmission mechanism 300, the second shaft lever 450 drives the second fan blade 441 to rotate through the third sleeve 440, when the second fan blade 441 rotates to blow air into the air pipe 410, the reaction force of the air flow drives the second fan blade 441 and the third sleeve 440 to slide along the second shaft lever 450 in the direction away from the air pipe 410, the third sleeve 440 drives the butt joint pipe 430 to move away from the air pipe 410 through the connecting rod 432, the butt joint pipe 430 extrudes the sliding rail member 421 through the push rod 431, the sealing plate 420 deflects outwards, so that a gap is generated between the butt joint pipe 430 and the air pipe 410, when the second fan blade 441 blows air into the air pipe 410, the air flow on the outer side wall of the butt joint pipe 430 is sucked into the air pipe 410 through the gap, the air inflow of the air pipe 410 is increased under the condition that the rotating speed of the second fan blade 441 is not increased, indoor ventilation is accelerated, and when the second fan blade 441 sucks air into the air pipe 410 (exhausts to the outside), the second blade 441 and the butt pipe 430 are driven by the air flow reaction force to move towards the air pipe 410, the push rod 431 drives one end of the sealing plate 420 to deflect inwards through the sliding rail piece 421, the plurality of sealing plates 420 are folded, the butt pipe 430 and the air pipe 410 are sealed, and air suction in the air pipe 410 is achieved.
The inner side wall of the air duct 210 is fixedly connected with a fixing member 230, one side wall of one end of the fixing member 230 is fixedly connected with a first rotating shaft 240, the first rotating shaft 240 is fixedly sleeved with a first fan blade 250, the annular outer side wall of the first rotating shaft 240 and one end of a second rotating shaft 260 are fixedly sleeved with a first bevel gear 241, the two bevel gears 241 are meshed with each other, one end of the tail plate 220 is fixedly connected with the other side wall of one end of the fixing member 230, the first fan blade 250 rotates to drive the second rotating shaft 260 to rotate through the first rotating shaft 240 and the two bevel gears 241, the second rotating shaft 260 drives the second shaft rod 450 to rotate through the transmission mechanism 300, the positions of the two sides of the outer side wall of the butt joint pipe 430 are fixedly connected with limit rods 433, the inner side walls of the two sides of the fixing box 100 are fixedly connected with sliding groove pieces 120, one end of each limit rod 433 is slidably connected with the sliding groove pieces 120 in the position, the butt joint pipe 430 is convenient to move, and the butt joint pipe 430 is prevented from rotating.
The transmission mechanism 300 comprises a fluted disc 360, the fluted disc 360 is fixedly sleeved with the other end of a second shaft rod 450, a fixing plate 310 is fixedly connected between the inner side walls of the two sides of the fixing box 100, the middle position of the top surface of the fixing plate 310 is rotatably connected with a first shaft rod 350, the inner side wall of the grid plate 110 is fixedly connected with a third shaft rod 320, the outer side wall of the third shaft rod 320 and the top end of the first shaft rod 350 are fixedly sleeved with a second bevel gear 321, the two bevel gears 321 are meshed with each other, the top surface of the fixing plate 310 is fixedly connected with a fixing rod 311, the top end of the fixing rod 311 is rotatably connected with one end of the second shaft rod 450, the outer side wall of one end of the second shaft rod 450 and one end of the third shaft rod 350 are both fixedly sleeved with belt pulleys 322, a belt is rotatably connected between the two belt pulleys 322, the outer side wall of the first shaft rod 350 is slidably sleeved with a second sleeve 331, the top end of the second sleeve 331 is fixedly sleeved with a transmission gear 330, the transmission gear 330 is meshed with the fluted disc 360, the top surface of the fixing plate 310 is fixedly connected with an adjusting module 340, the adjusting module 340 is used for adjusting and limiting the height position of the transmission gear 330, the second rotating shaft 260 drives the transmission gear 330 to rotate in the forward direction through the fluted disc 360, the transmission gear 330 drives the first shaft lever 350 to rotate through the second sleeve 331, the first shaft lever 350 drives the third rotating shaft 320 to rotate through the second bevel gears 321, and the third rotating shaft 320 drives the second shaft lever 450 to rotate through the belt wheel 322 and the belt.
The adjusting module 340 comprises a spring fastener 345, one end of the spring fastener 345 is fixedly connected with one side wall of the fixed rod 311, the bottom end of the sleeve II 331 is rotatably sleeved with the ring 341, one side of the bottom surface of the ring 341 is fixedly connected with a guide rod 342, the top surface of the fixed plate 310 is fixedly connected with a support plate 344, a reset spring 343 is fixedly connected between the top surface of the support plate 344 and the ring 341, a round hole I is formed in the top surface of the support plate 344 corresponding to the bottom end of the guide rod 342, a notch groove matched with the movable end of the spring fastener 345 is formed in the bottom end of the outer side wall of the guide rod 342, a round hole II is formed in the outer side wall of the fixed rod 311 corresponding to the spring fastener 345, a threading groove is formed in the outer wall of the other side of the fixed box 100, a first pulling rope is fixedly connected to the bottom end of the guide rod 342, one end of the first pulling rope passes through the round hole I and the threading groove and extends to the outer side of the fixed box 100, and a second pulling rope is fixedly connected to the end of the movable end of the spring fastener 345 far away from the shaft rod 350, one end of a second pull rope passes through the second round hole and the threading groove to extend to the outer side of the fixed box 100, the transmission gear 330 is initially positioned at the top end of the first shaft rod 350, the transmission gear 330 is meshed with the top side of the fluted disc 360, when the direction of the second shaft rod 450 needs to be switched, the first pull rope is pulled, the guide rod 342 drives the transmission gear 330 to move downwards through the ring piece 341, the notch groove on the guide rod 342 is clamped with the spring buckle 345, the transmission gear 330 is meshed with the bottom side of the fluted disc 360, the fluted disc 360 drives the transmission gear 330 to rotate reversely, the steering of the second shaft rod 450 and the second fan blade 441 is changed, the second pull rope is pulled, the movable end of the spring buckle 345 retracts to be separated from the guide rod 342, the transmission gear 330 moves upwards and resets under the elastic force of the reset spring 343, the steering of the second fan blade 441 is switched according to supply air to the room or exhaust air to the outside according to needs, the other end of the air duct 210 is fixedly connected with a counterweight ring, and the whole gravity center of the force borrowing mechanism 200 is positioned on the axis of the second rotating shaft 260, so that the gravity of the force borrowing mechanism 200 is prevented from interfering the rotation of the air duct 210, the tail plate 220 is convenient to drive the air duct 210 to rotate and adjust the direction, the inner diameter of the middle position of the air duct 210 is smaller than the inner diameters of the two end positions of the air duct, the speed of the air flow is accelerated when the air flow passes through the middle position of the air duct 210, the rotating speed of the first fan blade 250 is improved, the inner diameter of one end of the butt joint pipe 430, which is close to the air pipe 410, is smaller than the inner diameter of the air pipe 410, and the air pipe 410 is convenient to receive the air flow.
The working principle is as follows: when the air blowing device is used, the fixed box 100 is embedded into a slotted hole reserved on a vertical wall, the other end of the air pipe 410 is positioned indoors, the force-borrowing mechanism 200 is positioned outdoors, when external air flow blows along the wall surface, the tail plate 220 drives the air duct 210 to rotate, so that the air duct 210 is aligned with the air flow, when the air flow passes through the air duct 210, the first fan blade 250 is driven to rotate, the first fan blade 250 drives the second rotating shaft 260 to rotate through the first rotating shaft 240 and the first two bevel gears 241, the second rotating shaft 260 drives the second shaft rod 450 to rotate through the transmission mechanism 300, the second shaft rod 450 drives the second fan blade 441 to rotate through the third sleeve 440, when the second fan blade 441 rotates to blow air into the air pipe 410, the reaction force of the air flow drives the second fan blade 441 and the third sleeve 440 to slide along the second shaft 450 in the direction deviating from the air pipe 410, the third sleeve 440 drives the butt pipe 430 to move deviating from the air pipe 410 through the connecting rod 432, the butt pipe 430 extrudes the sliding rail piece 421 through the push rod 431, so that the sealing plate 420 deflects outwards, therefore, a gap is formed between the butt joint pipe 430 and the air pipe 410, when the fan blade two 441 blows air into the air pipe 410, the air flow moves at a high speed to generate negative pressure, so that the air on the outer side wall of the butt joint pipe 430 is sucked into the air pipe 410 through the gap, the air inflow of the air pipe 410 is increased under the condition that the rotating speed of the fan blade two 441 is not increased, indoor ventilation is accelerated, when the fan blade two 441 sucks air into the air pipe 410 (exhausts air to the outside), the air flow reaction force drives the fan blade two 441 and the butt joint pipe 430 to move towards the air pipe 410, the push rod 431 drives one end of the sealing plate 420 to deflect inwards through the sliding rail piece 421, the sealing plates 420 are folded, the butt joint pipe 430 and the air pipe 410 are sealed, and air suction into the air pipe 410 is realized.
Through the arrangement of the transmission mechanism 300, the transmission gear 330 is initially located at the top end of the first shaft lever 350, the transmission gear 330 is meshed with the top side of the fluted disc 360, the second rotating shaft 260 drives the transmission gear 330 to rotate in the forward direction through the fluted disc 360, the transmission gear 330 drives the first shaft lever 350 to rotate through the second sleeve 331, the first shaft lever 350 drives the third rotating shaft 320 to rotate through the two bevel gears 321, the third rotating shaft 320 drives the second shaft lever 450 to rotate through the belt wheel 322 and the belt, when the direction of the second shaft lever 450 needs to be switched, the first pull rope is pulled, the guide rod 342 drives the transmission gear 330 to move downwards through the ring piece 341, the notch groove on the guide rod 342 is clamped with the spring buckle 345, the transmission gear 330 is meshed with the bottom side of the fluted disc 360, the transmission gear 330 is driven to rotate in the reverse direction, the turning direction of the second shaft lever 450 and the second fan blade 441 is changed, the second pull rope, and the movable end of the spring buckle 345 retracts to be separated from the guide rod 342, the transmission gear 330 moves upwards to reset under the elastic force of the reset spring 343, and the rotation direction of the second fan blade 441 is switched according to the requirement, so that air is supplied to the indoor or exhausted to the outdoor according to the requirement.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is illustrative and explanatory only and is not intended to be exhaustive or to limit the invention to the precise embodiments described, and various modifications, additions, and substitutions may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the claims.
Claims (8)
1. The building energy-saving ventilation device is characterized by comprising a fixed box (100), a force borrowing mechanism (200) and a blowing and sucking mechanism (400), wherein a grid plate (110) is fixedly connected at an opening position on one side of the fixed box (100), the force borrowing mechanism (200) comprises an air duct (210), a first sleeve (211) is fixedly communicated with the middle position of the outer side wall of the air duct (210), the first sleeve (211) is rotatably connected with the grid plate (110), a first fan blade (250) is arranged inside the air duct (210), a tail plate (220) is arranged at one end of the air duct (210), a second rotating shaft (260) is rotatably connected with the inner wall of the first sleeve (211), the first fan blade (250) is in transmission connection with the second rotating shaft (260), the blowing and sucking mechanism (400) comprises a second shaft lever (450) and an air pipe (410), a third sleeve (440) is slidably sleeved at one end of the second shaft lever (450), the outer side wall of one end of the third sleeve (440) is fixedly sleeved with a second fan blade (441), the air pipe (410) is fixedly communicated with the other side wall of the fixed box (100), one end of the annular outer side wall of the air pipe (410) is fixedly connected with a plurality of sealing plates (420) at equal angles, the inner side wall of each sealing plate (420) is fixedly connected with a sliding rail piece (421), the outer side of the second fan blade (441) is provided with a butt joint pipe (430), the annular inner side wall of one end of each butt joint pipe (430) is fixedly connected with a plurality of push rods (431) which correspond to the sliding rail pieces (421) one by one, one end of each push rod (431) is in sliding connection with the corresponding sliding rail piece (421), the inner wall of each butt joint pipe (430) is fixedly connected with a connecting rod (432) which is rotatably sleeved with the third sleeve (440), the outer side wall of each butt joint pipe (430) is in sliding connection with the inner wall of the fixed box (100), and a transmission mechanism (300) is rotatably connected between the second shaft rod (450) and the second rotating shaft (260), and the transmission mechanism (300) can switch the transmission direction between the second shaft rod (450) and the second rotating shaft (260).
2. The energy-saving ventilating device for the building as claimed in claim 1, wherein the inner side wall of the wind cylinder (210) is fixedly connected with a fixing member (230), one side wall of one end of the fixing member (230) is fixedly connected with a first rotating shaft (240), the first rotating shaft (240) is fixedly sleeved with a first fan blade (250), the annular outer side wall of the first rotating shaft (240) and one end of a second rotating shaft (260) are fixedly sleeved with a first bevel gear (241), the two first bevel gears (241) are engaged with each other, and one end of the tail plate (220) is fixedly connected with the other side wall of one end of the fixing member (230).
3. The building energy-saving ventilation device according to claim 1, wherein a position on both sides of the outer side wall of the butt joint pipe (430) is fixedly connected with a limiting rod (433), a position on both sides of the inner side wall of the fixed box (100) is fixedly connected with a chute member (120), and one end of the limiting rod (433) is slidably connected with the chute member (120) in the adjacent position.
4. The building energy-saving ventilation device according to claim 1, wherein the transmission mechanism (300) comprises a fluted disc (360), the fluted disc (360) is fixedly sleeved with the other end of a second shaft lever (450), a fixed plate (310) is fixedly connected between the inner side walls of the two sides of the fixed box (100), a first shaft lever (350) is rotatably connected to the middle position of the top surface of the fixed plate (310), a third rotating shaft (320) is fixedly connected to the inner side wall of the grid plate (110), a second bevel gear (321) is fixedly sleeved on the outer side wall of the third rotating shaft (320) and the top end of the first shaft lever (350), the two bevel gears (321) are meshed with each other, a fixed rod (311) is fixedly connected to the top surface of the fixed plate (310), the top end of the fixed rod (311) is rotatably connected to one end of the second shaft lever (450), the outer side wall of one end of the second shaft lever (450) and one end of the third rotating shaft lever (320) are fixedly sleeved with a belt wheel (322), and a belt is rotatably connected between the two belt wheels (322), a second sleeve (331) is sleeved on the outer side wall of the first shaft rod (350) in a sliding mode, a transmission gear (330) is fixedly sleeved at the top end of the second sleeve (331), the transmission gear (330) is meshed with the fluted disc (360), the top surface of the fixed plate (310) is fixedly connected with an adjusting module (340), and the adjusting module (340) is used for adjusting and limiting the height position of the transmission gear (330).
5. The building energy-saving ventilation device according to claim 4, wherein the adjusting module (340) comprises a spring buckle (345), one end of the spring buckle (345) is fixedly connected with one side wall of the fixing rod (311), the bottom end of the second sleeve (331) is rotatably sleeved with the ring (341), one side of the bottom surface of the ring (341) is fixedly connected with the guide rod (342), the top surface of the fixing plate (310) is fixedly connected with the support plate (344), a return spring (343) is fixedly connected between the top surface of the support plate (344) and the ring (341), the top surface of the support plate (344) is provided with a first round hole corresponding to the bottom end of the guide rod (342), the bottom end of the outer side wall of the guide rod (342) is provided with a notch groove engaged with the movable end of the spring buckle (345), one outer side wall of the fixing rod (311) is provided with a second round hole corresponding to the position of the spring buckle (345), the threading groove has been seted up to the opposite side outer wall of fixed case (100), the bottom of guide bar (342) has linked firmly stay cord one, and the one end of stay cord one passes round hole one and the threading groove extends to the fixed case (100) outside, the one end that the expansion end of spring buckle (345) deviates from axostylus axostyle one (350) has linked firmly stay cord two, and the one end of stay cord two passes round hole two and the threading groove extends to the fixed case (100) outside.
6. The energy-saving ventilating device for buildings as claimed in claim 1, wherein the other end of the wind tube (210) is fixedly connected with a counterweight ring, and the overall gravity center of the force-borrowing mechanism (200) is located on the axial center line of the second rotating shaft (260).
7. The energy-saving ventilating device for buildings as claimed in claim 1, wherein the inner diameter of the middle position of the air duct (210) is smaller than the inner diameters of the two end positions.
8. The energy-saving ventilating device for buildings as claimed in claim 1, wherein the inner diameter of the end of the butt joint pipe (430) close to the air pipe (410) is smaller than that of the air pipe (410).
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| CN202210490216.5A CN114738894B (en) | 2022-05-07 | 2022-05-07 | Energy-saving ventilation device for building |
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| CN202210490216.5A CN114738894B (en) | 2022-05-07 | 2022-05-07 | Energy-saving ventilation device for building |
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Cited By (1)
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| CN117232059A (en) * | 2023-11-16 | 2023-12-15 | 东净(厦门)能源有限公司 | Efficient energy-saving multi-split air conditioner |
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|---|---|
| CN114738894B (en) | 2024-03-15 |
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