CN112369810B - Blowing and heating device for electric heating table - Google Patents
Blowing and heating device for electric heating table Download PDFInfo
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- CN112369810B CN112369810B CN202011245308.4A CN202011245308A CN112369810B CN 112369810 B CN112369810 B CN 112369810B CN 202011245308 A CN202011245308 A CN 202011245308A CN 112369810 B CN112369810 B CN 112369810B
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- circular tube
- rotating shaft
- cloth
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B31/00—Service or tea tables, trolleys, or wagons
- A47B31/02—Service or tea tables, trolleys, or wagons with heating, cooling or ventilating means
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B97/00—Furniture or accessories for furniture, not provided for in other groups of this subclass
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/006—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by influencing fluid temperatures
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
- F04D29/584—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps cooling or heating the machine
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D13/00—Electric heating systems
- F24D13/02—Electric heating systems solely using resistance heating, e.g. underfloor heating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H3/00—Air heaters
- F24H3/02—Air heaters with forced circulation
- F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
- F24H3/0405—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Direct Air Heating By Heater Or Combustion Gas (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a blowing and heating device for an electric heating table, which comprises a supporting circular tube, an annular resistance heating wire, a lower sleeve, a lower ring plate, an upper sleeve, an upper cover plate, a first supporting column, a first rotating shaft, fan blades, a driving assembly and a blowing range adjusting assembly, wherein the upper sleeve is arranged on the supporting circular tube; the number of the annular resistance heating wires is multiple; the annular resistance heating wires are fixedly sleeved on the outer side of the supporting circular tube from top to bottom in sequence through connecting rods; the annular resistance heating wires and the supporting circular tube share the same central axis; the first rotating shaft is rotatably connected to the inside of the supporting circular tube; the blowing heating device for the electric heating table can continuously change the intense radiation direction of the heat of the annular resistance heating wire, so that the radiation range of the heat of the annular resistance heating wire is enlarged.
Description
Technical Field
The invention relates to the technical field of heating tables, in particular to a blowing and heating device for an electric heating table.
Background
With the progress of science and technology and the upgrading of the consumption quality of people, the heating mode becomes more and more diversified. For the south China area of the south China, where the climate is not very cold, as more people select local heating, and electric heating is a current trend, the electric heating table can also follow the market demand and come up at once.
In recent years, the development of the electric heating table is rapid, the product style and the appearance are greatly improved, but the core heating part is almost not changed, and a resistance wire is used as a heat source all the time; the resistance wire is used as the heat source has the defects that the heat supply range is too concentrated, the heat radiation range is small, the leg of a human body can be generally heated, and the user experience is poor.
Disclosure of Invention
The invention mainly aims to provide a blowing heating device for an electric heating table, and aims to solve the problems that the heating range of the conventional electric heating table is too concentrated and the heat radiation range is small.
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
a blowing and heating device for an electric heating table comprises a supporting circular tube, an annular resistance heating wire, a lower sleeve, a lower annular plate, an upper sleeve, an upper cover plate, a first supporting column, a first rotating shaft, fan blades, a driving assembly and a blowing range adjusting assembly;
the number of the annular resistance heating wires is multiple; the annular resistance heating wires are fixedly sleeved on the outer side of the supporting circular tube from top to bottom in sequence through connecting rods; the annular resistance heating wires and the supporting circular tube share the same central axis;
the first rotating shaft is rotatably connected to the inside of the supporting circular tube; the first rotating shaft is vertically arranged; the first rotating shaft and the supporting circular tube share a central axis; the fan blades are arranged on the first rotating shaft; the driving assembly is used for driving the first rotating shaft to rotate;
the lower annular plate is connected to the bottom of the supporting circular tube; the upper cover plate is connected to the position right above the supporting circular tube through a first supporting column; the bottom end of the first support column is connected to the top end of the support circular tube; the top end of the first support column is connected to the lower surface of the upper cover plate;
the lower sleeve is sleeved on the outer edge of the lower annular plate; the upper sleeve is connected to the lower surface of the upper cover plate; the lower sleeve and the upper sleeve share the same central axis with the supporting circular tube, and the lower sleeve and the upper sleeve share the same annular surface; the blowing range adjusting assembly comprises an upper ring, a middle ring, a lower ring, an inner ring, first ring cloth, second ring cloth, third ring cloth, a first rope, a second rope and a driving part;
the inner ring is horizontally and fixedly connected between the upper casing and the lower casing; the inner ring of the first annular cloth is annularly connected to the outer wall of the upper sleeve, and the inner ring of the first annular cloth is horizontally arranged; the outer ring of the first ring cloth is annularly connected to the inner wall of the upper ring; the inner ring of the second annular cloth is annularly connected to the outer wall of the inner ring, and the inner ring of the second annular cloth is horizontally arranged; the outer ring of the second ring cloth is annularly connected to the inner wall of the middle ring; the inner ring of the third annular cloth is annularly connected to the outer wall of the lower annular plate, and the inner ring of the third annular cloth is horizontally arranged; the outer ring of the third ring cloth is annularly connected to the inner wall of the lower ring;
one end of the first rope is sequentially connected with the lower ring, the middle ring and the upper ring from bottom to top; one end of the second rope is sequentially connected with the lower ring, the middle ring and the upper ring from bottom to top; the driving component is used for driving the first rope and the second rope to synchronously lift.
Preferably, the number of the first supporting columns is 2; the 2 first supporting columns are symmetrical with the central axis of the supporting circular tube; the inner ring is fixedly connected between the upper sleeve and the lower sleeve through a second supporting column.
Preferably, the number of the second supporting columns is 2; the 2 second supporting columns are connected between the bottom edge of the upper sleeve and the top edge of the lower sleeve; the 2 second supporting columns are symmetrical with the central axis of the supporting circular tube; the inner wall of the inner ring is connected to 2 second support columns simultaneously.
Preferably, the distance between the upper ring and the middle ring is equal to the distance between the middle ring and the lower ring.
Preferably, the connecting point between the first rope and the upper ring and the connecting point between the second rope and the upper ring are symmetrical about the central axis of the supporting circular tube; the connecting point between the first rope and the middle ring and the connecting point between the second rope and the middle ring are symmetrical with the central axis of the supporting circular tube; the connecting point between the first rope and the lower ring is symmetrical to the connecting point between the second rope and the lower ring along the central axis of the supporting circular tube.
Preferably, the drive assembly comprises a first motor and a coupling; the first motor is fixedly connected to the center of the lower surface of the upper cover plate; an output shaft of the first motor is vertically arranged; the output shaft of the first motor is coaxially connected to the first rotating shaft through the coupler.
Preferably, the driving part comprises a first guide sheave, a second rotating shaft, a first rotating wheel, a second rotating wheel, a first connecting column, a second connecting column and a second motor;
the first guide sheave and the second guide sheave are both rotatably connected to the edge of the upper surface of the upper cover plate; the first guide grooved wheel and the second guide grooved wheel are symmetrical with the central axis of the support circular tube; the second rotating shaft is horizontally and rotatably connected to the upper surface of the upper cover plate; the first rotating wheel and the second rotating wheel are coaxially and fixedly connected to two ends of the second rotating shaft;
the first connecting column is rotatably connected to an eccentric position of one side surface of the first rotating wheel, which is far away from the second rotating shaft, and the rotating surface of the first connecting column is perpendicular to the second rotating shaft; the second connecting column is rotatably connected to an eccentric position of one side surface of the second rotating wheel, which is far away from the second rotating shaft, and the rotating surface of the second connecting column is perpendicular to the second rotating shaft; the central axis of the first connecting column and the central axis of the second connecting column are positioned on the same plane and are symmetrical by the second rotating shaft;
the first rope is wound on the first guide sheave, and the other end of the first rope is connected to the first connecting column; the second rope is wound on the second guide sheave, and the other end of the second rope is connected to the second connecting column; the second motor is used for driving the second rotating shaft to rotate.
Preferably, the upper cover plate is a circular plate.
Preferably, the number of the annular resistance heating wires is at least 4.
Preferably, a first tin foil heat insulation layer is attached to one side face, close to the second ring cloth, of the first ring cloth; a second tin foil heat insulation layer and a third tin foil heat insulation layer are respectively attached to two side faces of the second ring cloth; and a fourth tin foil heat insulation layer is attached to one side surface, close to the second ring cloth, of the third ring cloth.
Compared with the prior art, the invention at least has the following beneficial effects:
the blowing heating device for the electric heating table can continuously change the intense radiation direction of the heat of the annular resistance heating wire, so that the radiation range of the heat of the annular resistance heating wire is enlarged.
The specific working principle is as follows; when the device works, the annular resistance heating wire is electrified and started, the first motor is started at the same time, the fan blades are driven to rotate, air below the supporting circular tube is driven to flow upwards, the flowing air flows out through the upper cover plate → the upper sleeve → the annular resistance heating wire → a gap between the upper sleeve and the lower sleeve, and the flowing air takes away heat generated by the annular resistance heating wire and is sprayed out from the gap between the upper sleeve and the lower sleeve; then start drive assembly to drive first rope and the synchronous lift of second rope, thereby circle ring, well ring and lower ring synchronous lift in the drive, thereby the outer lane of driving first ring cloth, the outer lane of second ring cloth and the outer lane synchronous lift of third ring cloth, thereby constantly change thermal injection direction, make the heat constantly spray from top to bottom and go out, thereby it is little to enlarge heat radiation range, solves the too concentrated problem of the heat supply scope of present electric heating table.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural view of an embodiment of a blowing and heating device for an electric heating table according to the present invention;
fig. 2 is a partial structural schematic view of an embodiment of a blowing heating device for an electric heating table according to the present invention.
The reference numbers illustrate:
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in 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 obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, descriptions such as "first", "second", etc. in the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides a blowing and heating device for an electric heating table.
Referring to fig. 1-2, in an embodiment of a blowing heating device for an electric heating table (hereinafter, referred to as a device for short) according to the present invention, the device includes a support tube 110, an annular resistance heating wire 370, a lower sleeve 150, a lower ring plate 140, an upper sleeve 130, an upper cover plate 120, a first support column 210, a first rotating shaft 160, fan blades 170, a driving assembly, and a blowing range adjusting assembly.
The number of the annular resistance heating wires 370 is plural (4 in the present embodiment); the plurality of annular resistance heating wires 370 are fixedly sleeved outside the supporting circular tube 110 from top to bottom in sequence through the connecting rod 380; the plurality of annular resistive heating wires 370 are all coaxial with the support tube 110.
The first rotating shaft 160 is rotatably connected to the inside of the supporting circular tube 110; the first rotating shaft 160 is vertically arranged; the first rotating shaft 160 and the supporting circular tube 110 share a central axis; the fan blades 170 are arranged on the first rotating shaft 160; the driving assembly is used for driving the first rotating shaft 160 to rotate.
The lower ring plate 140 is connected to the bottom of the support circular tube 110; the upper cover plate 120 is connected to the upper side of the circular supporting tube 110 by a first supporting column 210; the bottom end of the first support column 210 is connected to the top end of the support circular tube 110; the top end of the first support column 210 is connected to the lower surface of the upper cover plate 120.
The lower sleeve 150 is sleeved on the outer edge of the lower annular plate 140; the upper sleeve 130 is coupled to the lower surface of the upper cover plate 120; the lower sleeve 150 and the upper sleeve 130 share a common central axis with the support circular tube 110, and the lower sleeve 150 and the upper sleeve 130 share a common annular surface; the blowing range adjusting assembly includes an upper ring 240, a middle ring 250, a lower ring 260, an inner ring 230, a first ring cloth 270, a second ring cloth 280, a third ring cloth 290, a first rope 310, a second rope 330, and a driving part.
The inner ring 230 is horizontally and fixedly connected between the upper casing 130 and the lower casing 150; the inner ring of the first annular cloth 270 is annularly connected to the outer wall of the upper sleeve 130, and the inner ring of the first annular cloth 270 is horizontally arranged; the outer ring of the first ring cloth 270 is annularly connected to the inner wall of the upper ring 240; the inner ring of the second ring cloth 280 is annularly connected to the outer wall of the inner ring 230, and the inner ring of the second ring cloth 280 is horizontally arranged; the outer ring of the second ring cloth 280 is annularly connected to the inner wall of the middle ring 250; the inner ring of the third annular cloth 290 is annularly connected to the outer wall of the lower annular plate 140, and the inner ring of the third annular cloth 290 is horizontally arranged; the outer ring of the third ring cloth 290 is annularly connected to the inner wall of the lower ring 260.
One end of the first rope 310 is connected to the lower ring 260, the middle ring 250 and the upper ring 240 in sequence from bottom to top; one end of the second rope 330 is connected to the lower ring 260, the middle ring 250 and the upper ring 240 in sequence from bottom to top; the driving member is used for driving the first rope 310 and the second rope 330 to ascend and descend synchronously.
The blowing heating device for the electric heating table can continuously change the intense radiation direction of the heat of the annular resistance heating wire 370, so that the radiation range of the heat of the annular resistance heating wire 370 is enlarged.
The specific working principle is as follows; when the air-cooling type heating device works, the annular resistance heating wire 370 is electrified and started, the first motor 190 is started at the same time, the fan blade 170 is driven to rotate, air below the supporting circular tube is driven to flow upwards, the flowing air flows out through the upper cover plate 120 → the upper sleeve 130 → the annular resistance heating wire 370 → the gap between the upper sleeve 130 and the lower sleeve 150, and the flowing air takes away heat generated by the annular resistance heating wire 370 and is sprayed outwards from the gap between the upper sleeve 130 and the lower sleeve 150; then, the driving part is started, so that the first rope 310 and the second rope 330 are driven to synchronously ascend and descend, the upper ring 240, the middle ring 250 and the lower ring 260 are driven to synchronously ascend and descend, the outer ring of the first ring cloth 270, the outer ring of the second ring cloth 280 and the outer ring of the third ring cloth 290 are driven to synchronously ascend and descend, the spraying direction of heat is continuously changed, heat is continuously sprayed up and down, the heat radiation range is expanded to be small, and the problem that the heat supply range of the existing electric heating table is too concentrated is solved.
In addition, the number of the first supporting columns 210 is 2; the 2 first support columns 210 are symmetrical about the central axis of the support tube 110; the inner ring 230 is fixedly coupled between the upper casing 130 and the lower casing 150 by the second support column 220. The number of the second supporting columns 220 is 2; 2 second support posts 220 are connected between the bottom edge of the upper sleeve 130 and the top edge of the lower sleeve 150; the 2 second supporting columns 220 are symmetrical about the central axis of the supporting circular tube 110; the inner wall of the inner ring 230 is simultaneously connected to 2 second support posts 220. The distance between the upper ring 240 and the middle ring 250 is equal to the distance between the middle ring 250 and the lower ring 260. Through the technical scheme, the structure of the device is perfected.
Meanwhile, the connection point between the first rope 310 and the upper ring 240 is symmetrical to the connection point between the second rope 330 and the upper ring 240 to support the central axis of the circular tube 110; the connecting point between the first rope 310 and the middle ring 250 is symmetrical with the connecting point between the second rope 330 and the middle ring 250 to support the central axis of the circular tube 110; the connection point between the first rope 310 and the lower ring 260 is symmetrical to the connection point between the second rope 330 and the lower ring 260 to support the central axis of the circular tube 110.
Set up like this for the structure of range adjustment subassembly of blowing is perfect more reasonable.
Further, the above-described driving assembly includes a first motor 190 and a coupling 180; the first motor 190 is fixedly connected to the center of the lower surface of the upper cover plate 120; the output shaft of the first motor 190 is vertically arranged; the output shaft of the first motor 190 is coaxially connected to the first rotating shaft 160 through a coupling 180. Through the technical scheme, the specific structure that the driving assembly drives the first rotating shaft 160 to rotate is perfected.
Meanwhile, the driving part includes a first guide sheave 320, a second guide sheave 340, a second rotation shaft 480, a first rotation wheel 390, a second rotation wheel 460, a first connection column 410, a second connection column 470, and a second motor 420.
The first guide sheave 320 and the second guide sheave 340 are rotatably connected to the edge of the upper surface of the upper cover plate 120; the first and second guide sheaves 320 and 340 are symmetrical to support the central axis of the circular tube 110; the second rotating shaft 480 is horizontally and rotatably connected to the upper surface of the upper cover plate 120; the first rotating wheel 390 and the second rotating wheel 460 are coaxially connected to both ends of the second rotating shaft 480.
The first connecting column 410 is rotatably connected to an eccentric position of a side surface of the first rotating wheel 390 far away from the second rotating shaft 480, and a rotating surface of the first connecting column 410 is perpendicular to the second rotating shaft 480; the second connecting rod 470 is rotatably connected to an eccentric position of a side surface of the second rotating wheel 460 far away from the second rotating shaft 480, and a rotating surface of the second connecting rod 470 is perpendicular to the second rotating shaft 480; the central axis of the first connecting column 410 and the central axis of the second connecting column 470 are located on the same plane and are symmetrical about the second rotation axis 480.
The first rope 310 is wound around the first guide sheave 320, and the other end of the first rope 310 is connected to the first connecting post 410; the second rope 330 is wound around the second guide sheave 340, and the other end of the second rope 330 is connected to the second connecting column 470; the second motor 420 is used for driving the second rotating shaft 480 to rotate. The upper cover plate 120 is a circular plate
Through the technical scheme, the specific structure of the driving component for driving the first rope 310 and the second rope 330 to ascend and descend synchronously is perfected.
In addition, the number of the above-mentioned ring-shaped resistance heating wire 370 is at least 4 (preferably 4 in the present embodiment). A first tin foil heat insulation layer (not shown) is attached to one side surface of the first annular cloth 270 close to the second annular cloth 280; a second tin foil heat insulation layer (not shown) and a third tin foil heat insulation layer (not shown) are respectively attached to two side surfaces of the second ring cloth 280; a fourth tin foil thermal insulation layer (not shown) is attached to one side of the third ring cloth 290 close to the second ring cloth 280.
Through setting up the tinfoil insulating layer, can reduce thermal scattering and disappearing to promote the heating effect of this device.
Meanwhile, the upper surface of the upper cover plate 120 is fixedly connected with a connecting plate 360 through a third supporting column 350; the connecting plate 360 is positioned right above the upper cover plate 120; the connection plate 360 is adapted to be detachably connected to the inner top of the heating table by means of bolts for application to the heating table.
The driving part further includes a worm wheel 450 and a worm 430; the second motor 420 is fixedly connected to the upper surface of the upper cover plate 120; the second rotary shaft 480 is horizontally and rotatably connected to the upper surface of the upper cover plate 120 through 2 bearing seats 440; the 2 bearing housings 440 are each located between the first wheel 390 and the second wheel 460; the worm gear 450 is coaxially and fixedly sleeved in the middle of the second rotating shaft 480; the worm 430 is coaxially and fixedly connected to the output shaft of the second motor 420; the worm wheel 450 and the worm 430 are engaged. Through the technical scheme, the specific structure that the second motor 420 drives the second rotating shaft 480 to rotate is perfected.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. A blowing and heating device for an electric heating table is characterized by comprising a supporting circular tube, an annular resistance heating wire, a lower sleeve, a lower ring plate, an upper sleeve, an upper cover plate, a first supporting column, a first rotating shaft, fan blades, a driving assembly and a blowing range adjusting assembly;
the number of the annular resistance heating wires is multiple; the annular resistance heating wires are fixedly sleeved on the outer side of the supporting circular tube from top to bottom in sequence through connecting rods; the annular resistance heating wires and the supporting circular tube share the same central axis;
the first rotating shaft is rotatably connected to the inside of the supporting circular tube; the first rotating shaft is vertically arranged; the first rotating shaft and the supporting circular tube share a central axis; the fan blades are arranged on the first rotating shaft; the driving assembly is used for driving the first rotating shaft to rotate;
the lower annular plate is connected to the bottom of the supporting circular tube; the upper cover plate is connected to the position right above the supporting circular tube through a first supporting column; the bottom end of the first support column is connected to the top end of the support circular tube; the top end of the first supporting column is connected to the lower surface of the upper cover plate;
the lower sleeve is sleeved on the outer edge of the lower annular plate; the upper sleeve is connected to the lower surface of the upper cover plate; the lower sleeve and the upper sleeve share the same central axis with the supporting circular tube, and the lower sleeve and the upper sleeve share the same annular surface; the blowing range adjusting assembly comprises an upper ring, a middle ring, a lower ring, an inner ring, first ring cloth, second ring cloth, third ring cloth, a first rope, a second rope and a driving part;
the inner ring is horizontally and fixedly connected between the upper casing and the lower casing; the inner ring of the first annular cloth is annularly connected to the outer wall of the upper sleeve, and the inner ring of the first annular cloth is horizontally arranged; the outer ring of the first ring cloth is annularly connected to the inner wall of the upper ring; the inner ring of the second annular cloth is annularly connected to the outer wall of the inner ring, and the inner ring of the second annular cloth is horizontally arranged; the outer ring of the second ring cloth is annularly connected with the inner wall of the middle ring; the inner ring of the third annular cloth is annularly connected to the outer wall of the lower annular plate, and the inner ring of the third annular cloth is horizontally arranged; the outer ring of the third ring cloth is annularly connected to the inner wall of the lower ring;
one end of the first rope is sequentially connected with the lower ring, the middle ring and the upper ring from bottom to top; one end of the second rope is sequentially connected with the lower ring, the middle ring and the upper ring from bottom to top; the driving component is used for driving the first rope and the second rope to synchronously lift and descend;
the driving part comprises a first guide grooved wheel, a second rotating shaft, a first rotating wheel, a second rotating wheel, a first connecting column, a second connecting column and a second motor;
the first guide sheave and the second guide sheave are both rotatably connected to the edge of the upper surface of the upper cover plate; the first guide grooved wheel and the second guide grooved wheel are symmetrical with the central axis of the supporting circular tube; the second rotating shaft is horizontally and rotatably connected to the upper surface of the upper cover plate; the first rotating wheel and the second rotating wheel are coaxially and fixedly connected to two ends of the second rotating shaft;
the first connecting column is rotatably connected to an eccentric position of one side surface of the first rotating wheel, which is far away from the second rotating shaft, and the rotating surface of the first connecting column is perpendicular to the second rotating shaft; the second connecting column is rotatably connected to an eccentric position of one side surface of the second rotating wheel, which is far away from the second rotating shaft, and the rotating surface of the second connecting column is perpendicular to the second rotating shaft; the central axis of the first connecting column and the central axis of the second connecting column are positioned on the same plane and are symmetrical by the second rotating shaft;
the first rope is wound on the first guide sheave, and the other end of the first rope is connected to the first connecting column; the second rope is wound on the second guide sheave, and the other end of the second rope is connected to the second connecting column; the second motor is used for driving the second rotating shaft to rotate.
2. A blowing heating device for electric heating tables according to claim 1, characterized in that the number of said first supporting columns is 2; the 2 first supporting columns are symmetrical with the central axis of the supporting circular tube; the inner ring is fixedly connected between the upper sleeve and the lower sleeve through a second supporting column.
3. A blowing heat device for electric heating tables according to claim 2, characterized in that the number of said second supporting columns is 2; the 2 second supporting columns are connected between the bottom edge of the upper sleeve and the top edge of the lower sleeve; the 2 second supporting columns are symmetrical with the central axis of the supporting circular tube; the inner wall of the inner ring is connected to 2 second support columns simultaneously.
4. A blowing heat generating device for electric heating tables according to claim 1, characterized in that the distance between the upper ring and the middle ring is equal to the distance between the middle ring and the lower ring.
5. A blowing heat generating device for electric heating tables according to claim 1, characterized in that the connection point between the first rope and the upper ring is symmetrical to the connection point between the second rope and the upper ring with the central axis of the support circular tube; the connecting point between the first rope and the middle ring and the connecting point between the second rope and the middle ring are symmetrical with the central axis of the supporting circular tube; the connecting point between the first rope and the lower ring is symmetrical to the connecting point between the second rope and the lower ring along the central axis of the supporting circular tube.
6. A blowing heat device for electric heating tables according to claim 1, characterized in that said driving assembly comprises a first motor and a coupling; the first motor is fixedly connected to the center of the lower surface of the upper cover plate; an output shaft of the first motor is vertically arranged; the output shaft of the first motor is coaxially connected to the first rotating shaft through the coupler.
7. A blowing heating device for electric heating tables according to claim 1, characterized in that the upper cover plate is a circular plate.
8. A blowing heat device for electric heating tables according to any of the claims 1-7, characterized in that the number of said ring shaped resistance heating wires is at least 4.
9. A blowing heating device for an electric heating table according to any one of claims 1-7, wherein a first tin foil heat insulation layer is attached to one side of the first ring cloth close to the second ring cloth; a second tin foil heat insulation layer and a third tin foil heat insulation layer are respectively attached to two side faces of the second ring cloth; and a fourth tin foil heat insulation layer is attached to one side surface, close to the second ring cloth, of the third ring cloth.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011245308.4A CN112369810B (en) | 2020-11-10 | 2020-11-10 | Blowing and heating device for electric heating table |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011245308.4A CN112369810B (en) | 2020-11-10 | 2020-11-10 | Blowing and heating device for electric heating table |
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| CN112369810A CN112369810A (en) | 2021-02-19 |
| CN112369810B true CN112369810B (en) | 2023-02-03 |
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| CN202011245308.4A Active CN112369810B (en) | 2020-11-10 | 2020-11-10 | Blowing and heating device for electric heating table |
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| CN112369810A (en) | 2021-02-19 |
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