WO2013000366A1 - 换气装置 - Google Patents

换气装置 Download PDF

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Publication number
WO2013000366A1
WO2013000366A1 PCT/CN2012/077082 CN2012077082W WO2013000366A1 WO 2013000366 A1 WO2013000366 A1 WO 2013000366A1 CN 2012077082 W CN2012077082 W CN 2012077082W WO 2013000366 A1 WO2013000366 A1 WO 2013000366A1
Authority
WO
WIPO (PCT)
Prior art keywords
mask
movable
connecting member
ventilating device
guide groove
Prior art date
Application number
PCT/CN2012/077082
Other languages
English (en)
French (fr)
Inventor
钟柏东
龙敏
洪嘉汉
甄实
长谷川德彦
横山龙真
Original Assignee
广东松下环境系统有限公司
松下电器产业株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 广东松下环境系统有限公司, 松下电器产业株式会社 filed Critical 广东松下环境系统有限公司
Priority to US14/006,230 priority Critical patent/US9534802B2/en
Priority to JP2014517411A priority patent/JP2014522955A/ja
Priority to CA2831447A priority patent/CA2831447C/en
Publication of WO2013000366A1 publication Critical patent/WO2013000366A1/zh

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00Ventilation
    • F24F7/007Ventilation with forced flow
    • F24F7/013Ventilation with forced flow using wall or window fans, displacing air through the wall or window
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00Pumping installations or systems
    • F04D25/02Units comprising pumps and their driving means
    • F04D25/08Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F04D25/10Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provisions for automatically changing direction of output air
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/70Suction grids; Strainers; Dust separation; Cleaning
    • F04D29/701Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
    • F04D29/703Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/0001Control or safety arrangements for ventilation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00Ventilation
    • F24F7/04Ventilation with ducting systems, e.g. by double walls; with natural circulation
    • F24F7/06Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
    • F24F7/065Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit fan combined with single duct; mounting arrangements of a fan in a duct
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28Arrangement or mounting of filters

Definitions

  • the present invention relates to a ventilating device. Background technique
  • the prior art in which the ventilator controls the decorative panel to open and close by the drive unit is a well-known technique.
  • a ventilation device disclosed in Japanese Laid-Open Patent Publication No. 2000-343 Next, the prior ventilation device will be described with reference to Figs. 13 and 14 .
  • a ventilating device is provided with a detachable decorative panel 103.
  • the decorative panel 103 is detachably attached to the front side of the air intake opening side of the main body frame 102 having a wind tunnel in which the blower 101 is disposed.
  • a swirling airflow is formed at an air outlet from the flared air inlet 106 forming the front of the body frame 102 toward the rear of the body frame 102.
  • the decorative panel 103 is supported by the shaft at the lower end side of the front panel frame portion 107 and the panel frame portion 107, and is rotated by a driving means, and a movable mask that forms a slightly fan-shaped ventilating space 108 at the outer peripheral portion of the panel frame portion 107 is formed.
  • the unit 109 is configured.
  • the panel frame portion 107 has a front portion that is connected to the projection portion 110 that is fitted to the circumferential side of the main body frame 102.
  • the projection portion 110 is formed higher than the lower portion on the shaft support side of the movable mask portion 109, and is supported on the shaft support side.
  • the upper part of the opposite side is formed in a circular arc shape, and the height gradually decreases.
  • a part of the lower edge portion 111 of the front surface portion of the panel frame portion 107 protrudes forward, and the step portion 112 formed therein is provided with a slit-like insertion opening 113 which is formed to axially support the movable mask portion 109.
  • the lower end edge of the movable mask portion 109 protrudes to form a support flange 118 that is rotatably engaged with the insertion opening 113 of the panel frame portion 107, and the support flange 118 is inserted into the insertion opening 113 to support the flange 118 as a fulcrum.
  • the shaft supports the movable mask portion 109 so as to be rotatable.
  • a spring 121 as an elastic member is placed between the back surface of the movable mask portion 109 and the front surface of the panel frame portion 107, and the movable mask portion 109 and the front surface portion of the panel frame portion 107 can be brought into close contact with each other by the spring 121.
  • the driving means is constituted by a driver 122, a transmission mechanism, and a crank 123.
  • the driver 122 is mounted near the lower surface of the panel frame portion 107, and winds the electric wires 124 constituting the transmission mechanism, and can be successively delivered.
  • the crank 123 is formed in a slightly M shape, and is directly below the center of the open front portion of the panel frame portion 107, and the both ends thereof are open Supported by the support structure 125 and rotatable.
  • the electric motor 124 is wound by the driving machine 122 to rotate the crank 123, and the back surface of the movable mask portion 109 is pressed to resist the elastic force of the spring 121, so that the movable mask portion 109 is rotated and opened.
  • the conventional ventilator has a drive mechanism formed by a driver, a spring, and a crank for opening and closing the movable mask, and has a complicated structure.
  • the ventilating device sucks in the cold air outside, and the temperature of the ventilator body is lowered.
  • the indoor hot air contacts the outer surface of the movable mask portion 109, it is condensed into small water droplets to form dew condensation water, and the dew condensation water slides down along the smooth movable mask portion 109, and finally drops into the room and drops into the room.
  • the dew condensation water affects the sanitation, causing the interior to be damp and moldy.
  • the present invention has been made to solve the problems of the prior art, and its main object is to provide a ventilating device which can open and close a movable mask by a simple structure.
  • a secondary object of the present invention is to provide a ventilating device that maintains the outer surface of the ventilating mask dry.
  • the present invention provides a ventilating device which is located on a wall of an indoor side of an air passage connecting a room and an outside, and is provided with a ventilating mask, which is composed of a mask frame and a movable mask
  • the mask frame is mounted on a front opening of the ventilation device body, and the movable mask is supported by a movable mask shaft at a lower portion of the mask frame, and covers a front surface of the mask frame, from a center of gravity of the movable mask a horizontal distance from a wall to the indoor side is greater than a horizontal distance from a movable mask shaft to a wall on the indoor side;
  • an operation lever is mounted from a lower portion of the mask frame to be movable left and right along an end surface of the lower portion of the mask frame;
  • a connecting member connecting the movable mask and the operating rod is disposed between the movable mask and the mask frame, and the connecting member is configured to slide in a downward direction, and the connecting member converts left and right movements of the operating rod
  • the operating lever slides left and right to drive the connecting member to slide up and down, and then the movable mask shaft of the movable mask is rotated to open or close.
  • the movable mask can be held at any position, so that a complicated driving mechanism can be provided, and the movable mask can be opened and closed by a simple structure, and From the lower portion of the ventilator, the ventilator mask placed at a high position can be opened and closed by the operating lever.
  • the connecting member is configured to slide in the upward and downward directions.
  • the connector can be made thinner, and the thickness of the mask frame can be set thinner, so that the appearance can be improved.
  • the operation lever is provided with a horizontal groove on an end surface of the lower portion of the opening of the mask frame, and a protrusion is provided in a horizontal direction of the end surface of the corresponding opening of the mask frame, and the groove and the protrusion are engaged with each other.
  • the sheet can move left and right in the horizontal direction in the groove.
  • the operating lever is provided with a handle that protrudes downward toward the opening portion under the mask frame and extends to the indoor side.
  • a rotating guide plate is arranged on the back surface of the movable mask, and the rotating guide plate is provided with an inclined rotating guide groove;
  • the front end of the U-shaped vertical direction of the connecting member is provided with a protruding portion, a position of a middle portion of both sides of the movable mask, a protruding portion of the connecting member is engaged with the rotating guide groove, and is slidable in the rotating guide groove; when the connecting member moves up and down, the rotating guide plate moves in the front-rear direction .
  • the movable mask can be pulled by the connecting member near the upper and lower centers of the side surface of the movable mask, so that the pulling force can be reduced, and the movable mask can be pulled from the left and right directions of the movable mask by the connecting member, and the movable mask is not easy to be moved to the left and right.
  • the mask frame is closely attached to the movable mask, or can be equally opened with a certain gap, and the pulling force can be uniformly transmitted to the movable mask, so that the movable mask can be smoothly opened and closed.
  • the connecting member has an inclined operating rod guide groove, and the operating rod is provided with an operating rod protrusion that is engaged with the operating rod guiding groove, and the operating rod protrusion can slide in the operating rod guide groove, when the operating rod When moving left and right, the connecting member moves in the up and down direction.
  • the lever projection is cylindrical or elongated. With this configuration, the connecting member is pushed to the uppermost portion of the movable field by the upper portion of the operating lever projection, and is pushed to the lowermost portion of the movable field by the lower portion of the operating lever projection.
  • the upper and lower movable areas of the connecting member become larger, and while the movable area is maintained, the height of the connecting member can be set lower, so that the ventilation opening provided on the mask frame can be enlarged, thereby reducing the ventilation pressure loss. .
  • the rotating guide groove on the rotating guide plate is composed of one or at least two inclined grooves or curved grooves.
  • the groove having a small inclination in the rotating guide groove is disposed on the back side, and the groove having a larger inclination in the rotating guide groove is disposed at the front side. side.
  • the connecting member is u-shaped, and the operating rod guide groove is provided at a central portion of the U-shaped horizontal direction of the connecting member.
  • a horizontal connecting member supporting portion is provided at the upper end and the lower end of the operating rod guide groove on the connecting member for fixing the operating lever projection.
  • the inner surface of the movable mask is provided with a heat insulating material.
  • the upper outer frame of the movable mask and the edges of the left and right outer frames are provided with double ribs, and the double ribs have a gap therebetween.
  • a rib connecting the inner rib and the outer rib is provided in the gap, and a water storage tank is formed between the inner rib, the outer rib and the rib.
  • a filter bracket is disposed on the body of the ventilation device, and the filter bracket is engaged with the body of the ventilation device, and the filter bracket forms a shape covering the front opening of the body of the ventilation device, and is also in the mask frame
  • the inner side is provided with a sealing sponge that blocks a gap between the filter holder and the body of the ventilator.
  • An air guiding structure is disposed on the body of the ventilating device, and the air guiding structure is located at a joint of the ventilating device body and the filter mesh bracket, and is cooled by the air guiding structure Air is blown along the air guiding structure toward the wall covered by the ventilator body.
  • the invention has the advantages that the movable mask can be opened and closed by a simple structure, and the ventilation device which can open and close the mask provided at a high position from the lower portion through the operating lever, and the ventilation mask can be used.
  • the outer surface can always be kept dry.
  • Figure 1 is an overall cross-sectional view showing the closed state of the movable mask of the ventilating device
  • Figure 2 is an exploded view of the ventilation mask from the inside;
  • Figure 3 is an exploded view of the ventilation mask from another angle shown in the back side;
  • Figure 4 is a front view of the connecting member of the ventilation mask and the operating rod after installation;
  • Figure 5 is a sectional view of the movable mask of the ventilation device in an open state
  • Figure 6 is a schematic diagram of the operation of the operating lever of the ventilating device;
  • Figure 7 is a perspective view showing the closed state of the ventilation mask from the back side
  • Figure 8 is a perspective view showing the open state of the ventilation mask from the back side
  • Figure 9 is an exploded perspective view showing the movable mask from the back side
  • FIG. 10A and FIG. 10B are schematic views showing different shapes of the connecting rod operating rod protrusions;
  • FIG. 11 is a cross-sectional view taken along line A-A of FIG.
  • Figure 12 is an overall schematic view of the ventilation device
  • Figure 13 is a cross-sectional view showing the state in which the movable mask of the prior ventilator is opened.
  • Figure 14 is a front elevational view of the prior ventilator.
  • a through hole 4 communicating with the wall 3 is formed in the wall 3 separated from the outdoor unit 2, and an air passage is formed, and the ventilator main body 5 is attached to the through hole 4.
  • the ventilator main body 5 is composed of a wind tunnel portion 6 and a body flange portion 7.
  • the wind tunnel portion 6 has a cylindrical shape, and a wind turbine portion 6 is provided with a motor support portion 8 to which a motor 9 is attached.
  • a fan blade 11 that blows air from the outside to the inside of the room is mounted on the motor shaft 10.
  • the main body flange portion 7 is formed by extending the opening edge portion of the opening portion on the indoor side of the wind tunnel portion 6 in a substantially square shape in the radial direction, and is provided with a projection portion 12 that protrudes toward the back side.
  • the ventilation mask 13 is composed of a mask frame 14 provided with a front opening attached to the ventilating device main body 5, and a movable mask 15 supported by the movable mask shaft at the lower portion of the mask frame 14 and covering the front surface of the mask frame 14.
  • the mask frame 14 is fitted to the projection 12 of the ventilator body 5.
  • the protrusion size of the upper side wall 16 of the mask frame 14 is larger than the protrusion size of the lower side wall 17 of the mask frame 14, the mask frame opening portion 18 is formed in front of the mask frame 14, and the lower portion of the mask frame 14 forms a horizontal movable mask parallel to the wall 3.
  • the shaft 19, and the shaft supports the movable mask 15.
  • the moving mask 15 is closer to the wall 3 side toward the lower side, forming a substantially circular cross-sectional shape, and the movable mask 15 covers the front surface of the mask frame 14, from the center of gravity W1 of the movable mask 15 to the horizontal distance of the surface of the wall 3 on the indoor side.
  • L1 is larger than the movable mask shaft 19 to the wall 3 on the indoor side
  • the horizontal distance of the surface is L2.
  • a U-shaped connecting member 21 slidable in the up-and-down direction and a connecting member cover 29 covering the connecting member 21 are attached to the inside of the lower portion of the mask frame 14, and the connecting member cover 29 is fitted in the mask frame 14, and the connecting member 21 is in the mask frame 14.
  • the cavity formed by the connector cover 29 is movable. That is, the connector cover 29 has a function of restricting the movement of the connector 21 in the space formed.
  • a left and right slideable operating lever 25 that engages with the connector member 21, and the operating lever 25 is guided from the lower surface of the mask frame 14 to the room 1.
  • FIG. 1 The ventilation mask 13 will be further described below with reference to Figs.
  • the same components as those in FIG. 1 are denoted by the same reference numerals, and detailed description thereof will be omitted.
  • the broken lines in Figs. 2 and 3 are used to illustrate the mounting relationship of the connecting member 21 with the mask frame 14 and the lever projection 26.
  • a claw 20 that is fitted to the movable mask shaft 19 and axially supports the movable mask 15 is provided.
  • a slit 30 is formed in the left and right of the mask frame opening portion 18 of the mask frame 14, and the slit 30 is inserted into the left and right rotation guides 31a and the rotation guide 31b formed on the movable mask 15.
  • Rotating guide grooves 32 are formed in the rotating guide plates 31a, 31b so as to be away from the movable mask 15 from the lower end to the upper end of the groove, and the connecting projections 22 and the rotating guide grooves 32 formed at the front end of the U-shaped vertical direction on the connecting member 21 are formed.
  • the phase is stuck.
  • the U-shape of the connecting member 21 is formed in the right direction in the horizontal direction (i.e., in Fig. 2, the upper end is on the right side as compared with the lower end.)
  • the operating lever guide is inclined at a certain angle. Slot 23. Further, the lever projection 26 formed on the operating lever 25 is engaged with the lever guide groove 23.
  • the handle of the operating lever 25 is provided so that the opening portion under the mask frame 14 protrudes downward and extends to the indoor side. Further, a groove 42 in the horizontal direction is provided on a surface of the operation lever 25 facing the ventilation mask 13, and a tab 43 is provided in a horizontal direction of the end surface of the opening portion 18 of the mask frame, and the groove 42 and the tab 43 are stuck. The tabs 43 can be moved to the left and right in the horizontal direction in the slot 42.
  • the lever projection 26 is moved to the upper end along the operating lever guide 23.
  • the connecting member 21 is a structure that can slide up and down. When the operating lever projection 26 moves along the operating lever guide groove 23, it is pressed downward by the inclination thereof, so that the connecting member 21 moves to the lower side.
  • the connecting protrusion 22 provided on the connecting member 21 is engaged with the movable guide groove 32, The up and down movement of the connecting member 21 is converted into opening or closing of the movable mask 15. Specifically, as shown in FIG. 5 to FIG. 8, when the connecting member 21 is moved downward, the connecting protrusion 22 provided on the connecting member 21 is along the rotating guide groove 32 provided on the rotating guide plates 31a, 31b. Move to the lower side.
  • the movable mask 15 is configured such that the upper portion of the movable mask 15 is tilted forwardly around the movable mask shaft 19 as the shaft support portion. Briefly, when the connector 21 is moved upward, the movable mask 15 is opened. On the contrary, when the connecting member 21 is moved downward, the movable mask 15 is closed.
  • the movable mask 15 is not easily inclined to the left and right.
  • the space between the connector cover 29 and the wall 3 can be ensured by forming the connecting projection 22 provided on the connecting member 21 and the lower portion of the rotating guide groove 32 provided on the movable mask 15 in the vicinity of the movable mask 15. Since the ventilation mask 13 is finally engaged with the ventilator body 5, and the body flange portion 7 of the ventilator body 5 is embedded in the mask frame 14, between the connector cover 29 and the wall 3 A certain space is provided so that the body flange portion 7 of the ventilator body 5 is engaged. In other words, the shape of the lower side wall 17 can be set thinner, thereby improving the appearance.
  • the lever projection 26 is cylindrical, and the lever projection 26 of the present invention may have other shapes.
  • the lever projection 26' is an elongated shape corresponding to the operating lever guide 23, and the upper and lower portions thereof may be arranged in a semicircular shape.
  • the lever projection 26' is formed by the upper projection 27 and the lower projection 28.
  • the lever projection 26 illustrated in Fig. 10(a) is the same as that of Fig. 6. As can be seen from the figure, since the lever projection 26 is moved left and right to push the connector 21 up and down, the maximum range of movement of the connector 21 is ensured.
  • the restriction that the lever protrusion 26 does not fall out of the lever guide 23 is as shown in the figure L3. However, as shown in FIG.
  • the lever protrusion 26' since the lever protrusion 26' is elongated, as long as a part does not slide out of the lever guide 23, the lever protrusion 26' does not fall off, so the connector 2 can It is pushed to a higher position by the upper projection 27, and can also be pushed to a lower position by the lower projection 28, that is, the movable area L4 of the connecting member 2 becomes larger. Therefore, as compared with that shown in FIG. 6, the height of the longitudinal direction of the connecting member 2 can be controlled while maintaining the same movable field, and can be set lower, so that the ventilating mask provided on the mask frame 14 can be provided.
  • the frame opening portion 18 is enlarged to reduce the ventilation pressure loss, and the horizontal movement of the operating lever 25 is converted into the vertical movement of the link 21 by the operation lever guide groove 23.
  • the rotary guide grooves 32 provided on the rotary guides 31a, 31b are composed of upper guide grooves 33 and lower guide grooves 34 having different inclinations. Gp, for the horizontal direction, the inclination of the upper guide groove 33 is relatively small, and the inclination of the lower guide groove 34 is relatively large.
  • the upper guide groove 33 and the lower guide groove 34 are transitioned by a circular arc.
  • the connecting protrusion 22 provided on the connecting member 21 is engaged with the rotating guide groove 32.
  • the connecting member 21 is moved upward by operating the operating lever 25.
  • the connecting projection 22 is located in the upper guide groove 33. In this case, since the angle of the upper guide groove 33 becomes smaller with respect to the opening direction of the movable mask 15, the movable surface 15 can be smoothly moved in the opening direction by its own weight.
  • the rotary guide groove 32 is constituted by a groove having two inclinations. In the horizontal plane, a groove having a small inclination in the rotation guide groove 32 is provided on the back side, and a groove having a large inclination in the rotation guide groove 32 is provided on the front side.
  • the rotating guide groove 32 can also be provided with three or more inclinations or curved.
  • the operation lever guide groove 23 is provided at a substantially central portion of the connector 21 in the horizontal direction. Further, the lever projection 26 and the lever guide 23 are engaged at positions near the center of the movable mask 15. With such a structure, since the force is set from the operating lever The lever projection 26 on the 25 is transmitted to the center of the connector 21, so that the engaging portion that is engaged with the connector 21 in the left and right directions of the movable mask 15 is uniformly pulled by the connector 21.
  • the movable mask 15 is not easily inclined to the left and right, and the mask frame 14 is closely attached to the movable mask 15, or can be equally opened with a certain gap, and the pulling force is uniformly transmitted to the movable mask 15, so that the mask can be smoothly Open and close the active mask 15.
  • a connector supporting portion 24 is provided at the upper end and the lower end of the operating lever guide groove 23 formed on the connecting member 21, and the connecting member supporting portion 24 is a horizontal groove.
  • the connector supporting portion 24 is slidable into the lever projection 26 on the operating lever 25.
  • rotation guide groove 32 uses an expression such as "groove”, it may have a shape that fits with the connection protrusion 22 provided on the connector 21, and may be, for example, a long hole shape penetrating.
  • the ventilating mask attached to the ventilating device body is constituted by a mask frame having a front opening, and a movable mask that is supported by a shaft at a lower portion of the mask frame and covers the front surface of the mask frame.
  • a complex drive mechanism is required, and the movable mask can be opened and closed by a simple structure, and since the mask placed at a high position can be opened and closed by the operating lever from the lower portion, it is suitable for all the air blowers installed in the interior.
  • a ventilating device for a decorative panel that can open and close in front of the main body frame.
  • a heat insulating material 35 is provided on the inner surface of the movable mask 15, that is, toward the side of the wind tunnel portion 6, and the material thereof may be an insulating sponge.
  • the ventilator body 5 operates to suck the cold air of the outdoor 2, the cold air is directly blown toward the heat insulating material 35 without being directly blown toward the inner surface of the movable mask 15, since the temperature of the cold air is blocked by the heat insulating material 35, Therefore, the temperature difference between the movable mask 15 and the air in the room 1 becomes small, and when the air in the room 1 comes into contact with the outer surface 54 of the movable mask 15, the dew condensation water generated by the air in the chamber 1 is not formed.
  • the outer frame of the movable mask 15 and the edges of the left and right outer frames are provided with inner ribs 51 has a double rib structure such as the outer rib 52, and a gap 55 is formed between the double ribs.
  • cold air flows in along the wind tunnel portion 6, and is blown to the heat insulating material 35 of the movable mask 15 and then spreads to the upper and upper sides and the left and right direction, and through the double rib structure, when the inner rib is blown to the double rib
  • the temperature is lowered, so that the air in the chamber 1 generates dew condensation water in the gap 55 between the inner rib 51 and the outer rib 52 of the double rib, but by providing the inner rib 51 and the outer rib 52 in the gap 55.
  • the rib 56 forms a water reservoir between the inner rib 51, the outer rib 52 and the rib 56. Condensation in the gap 55 dew condensation water is present in the water reservoir, and due to the small amount of water, it will eventually be easily evaporated. Further, after the cold air of the outdoor 2 contacts the heat insulating material 35, the flow comes into contact with the inner rib 51 in the upper and lower directions, and then flows into the room 1, and at this time, the temperature of the cold air passes through the gap 55 and is not transmitted to the outer rib 52. Therefore, it is prevented from forming dew condensation water on the outer surface of the outer rib 52 due to the temperature drop of the outer rib 52.
  • a filter holder 141 is provided on the ventilator body 5, and the filter holder 141 is formed to cover the front opening of the ventilator body 5, and is filtered.
  • One side of the net holder 141 is provided with an engaging piece 145, and the ventilating device body 5 is provided with an opening 146 into which the engaging piece 145 of the filter holder 141 is inserted, and the other side of the filter holder 141 is engaged.
  • the structure is mounted on the ventilator body 5. Further, on the inner side of the mask frame 14, that is, on the side of the wind tunnel portion 6, a sealing sponge 143 for blocking a gap 142 between the filter holder 141 and the ventilator body 5 is provided, and the sealing sponge 143 is a sealing structure.
  • the filter holder 141 Since the filter holder 141 is engaged with the ventilator body 5, there is a certain gap 142 between the filter holder 141 and the ventilator body 5, so when the mask frame 14 is attached to the ventilator body 5
  • the ventilating fan When the ventilating fan is in operation, the cold air sucked into the room 1 may be blown into the mask frame 14 through the gap 142, so that the upper side and the left and right sides of the mask frame 14 form dew condensation water, and a sealing sponge 143 is provided on the inner side of the mask frame 14.
  • the sealing sponge 143 on the inner side of the mask frame 14 overlaps with the gap 142 between the filter holder 141 and the ventilator body 5, that is, the seal is used.
  • the sponge 143 blocks the gap 142, and the sealing sponge 143 is deformed.
  • the sealing sponge 143 functions to block wind and heat, so that no dew condensation water is generated here.
  • the gap 142 between the filter holder 141 and the ventilator body 5 is blocked by the sealing sponge 143 to provide a sealing function, and the mask frame 14 can be prevented from forming dew condensation water.
  • a wind guiding knot is further provided on the ventilating device body 5.
  • the air guiding structure 144 is located at abutment of the ventilating device body 5 and the filter holder 141.
  • the air guiding structure 144 is a supply from the ventilating device body 5.
  • a passage through which the opening 146 into which the engagement piece 145 of the filter holder 141 is inserted is extended toward the air tube portion 6 side. Through the air guiding structure 144, cold air is blown along the air guiding structure 144 toward the wall covered by the ventilator body 5.
  • the sealing sponge 143 that shields the gap 142 between the filter holder 141 and the ventilator body 5 is provided inside the mask frame 14, the wind may pass through the ventilator body due to the tight seal.
  • the opening 146 for inserting the engaging piece 145 of the filter holder 141 on the fifth side causes air leakage at the side, so that cold air is directly blown on the side of the mask frame 14, resulting in dew condensation on the side of the mask frame 14.

Abstract

一种换气装置(5),设置于连通室内(1)与室外(2)的风路的室内侧的壁(3)上,具有换气面罩(13),所述换气面罩(13)由面罩框(14)和活动面罩(15)所构成,从活动面罩(15)的重心位置到所述室内侧的壁(3)的水平距离(L1)大于从活动面罩轴(19)到所述室内侧的壁(3)的水平距离(L2);所述面罩框(14)的下部装有操作杆(25),能够沿着面罩框(13)下部的端面左右运动;活动面罩(15)与面罩框(14)之间设有连接所述活动面罩(15)和所述操作杆(25)的连接件(21,21'),所述连接件(21,21')为向上下方向滑动的结构,该连接件(21,21')将所述操作杆(25)的左右运动转化为所述活动面罩(15)围绕活动面罩轴(19)的开闭运动。

Description

换气装置 技术领域
本发明是关于一种换气装置。 背景技术
先有换气装置通过驱动机来控制装饰面板进行开闭动作的技术为 公知技术。 例如日本特开 2 0 0 0 - 3 4 6 4 1 1号公报所公开的换 气装置。 下面, 参照图 13及图 14对该先有换气装置进行说明。
如图所示, 设有可自由装拆的装饰面板 103的换气装置, 所述装 饰面板 103 为可自由装拆于具有内设送风机 101 的风洞的本体框架 102的吸风口侧的前面, 在从形成本体框架 102前面的喇叭口状的吸 风口 106向本体框架 102后面的出风口形成换气流。 装饰面板 103在 前面敞开的面板框架部 107和面板框架部 107的下端侧通过轴支撑, 并通过驱动手段而转动, 在面板框架部 107的外周部通过形成略呈扇 形的通风空间 108的活动面罩部 109所构成。
面板框架部 107具有和与本体框架 102的圆周侧相互嵌合的突起 部 110相连接的前面部, 该突起部 110比活动面罩部 109的轴支撑侧 的下部更高而形成, 轴支撑侧的相反侧的上部形成圆弧形, 高度逐渐 递减。 面板框架部 107的前面部的下缘部 111有一部分向前方突出, 在其形成的段差部 112设有间隔向下而形成为轴支撑活动面罩部 109 的狭缝状的插入口 113。 而且, 活动面罩部 109的下端缘处突出形成 与面板框架部 107的插入口 113转动配合的支撑突缘 118, 通过将该 支撑突缘 118插进插入口 113, 以支撑突缘 118作为支点, 轴支撑活 动面罩部 109, 使其可以转动。
在活动面罩部 109的背面与面板框架部 107的前面之间架设作为 弹性部件的弹簧 121,通过该弹簧 121, 可以使活动面罩部 109与面板 框架部 107的前面部形成紧贴状态。 驱动手段由驱动机 122、 传输机 构和曲柄 123所构成。驱动机 122安装于靠近面板框架部 107的下面, 卷绕构成传输机构的电线 124, 而且可以陆续送出。 曲柄 123略呈 M 型而形成, 在面板框架部 107的前面敞开部的中央正下面, 其两端通 过支撑结构 125而支撑, 并且可以转动。
而且, 通过驱动机 122卷绕电线 124使曲柄 123转动, 推压活动 面罩部 109的背面, 与弹簧 121的弹力相抵抗, 使活动面罩部 109转 动并打开。
像这样先有的换气装置必须要有使活动面罩开闭的驱动机、 弹簧 和曲柄所形成的驱动机构, 存在结构复杂的问题。
另外, 当室内外温差较大且换气装置长时间工作的情况下, 换气 装置吸入室外的冷空气, 使换气装置机体温度下降。 当室内热空气接 触到活动面罩部 109的外表面时, 就受冷凝结成小水珠从而形成结露 水, 结露水沿着光滑的活动面罩部 109滑下, 最终滴入室内, 滴入到 室内的结露水影响环境卫生, 导致室内潮湿、 发霉。 发明内容
本发明为解决所述先有技术的问题, 主要目的是提供一种通过简 单的结构就可以打开和关闭活动面罩的换气装置。
本发明的次要目的是提供一种保持换气面罩的外表面干燥的换气 装置。
为达成所述目的, 本发明提供一种换气装置, 位于在连通室内与 室外的风路的室内侧的壁上, 装有换气面罩, 所述换气面罩由面罩框 和活动面罩所构成, 所述的面罩框安装于换气装置本体上的前面开口 处, 所述的活动面罩通过在该面罩框的下部的活动面罩轴支撑, 并遮 盖面罩框的前面, 从所述活动面罩的重心位置到所述室内侧的壁的水 平距离大于从活动面罩轴到所述室内侧的壁的水平距离; 从所述面罩 框的下部装有操作杆, 能够沿着面罩框下部的端面左右运动; 所述活 动面罩与面罩框之间设有连接所述活动面罩和所述操作杆的连接件, 所述连接件为向上下方向滑动的结构, 该连接件将所述操作杆的左右 运动转化为所述活动面罩围绕活动面罩轴的开闭运动。
通过该结构, 所述操作杆左右滑动, 带动连接件上下滑动, 再导 致活动面罩的活动面罩轴转动而打开或关闭。 当操作杆和连接件停止 的话, 活动面罩可以保持在任意位置, 所以可以提供一种不需要复杂 的驱动机构, 只需通过简单的结构就可以打开和关闭活动面罩,而且, 从换气装置的下部就可以通过操作杆对设置于高处的换气装置面罩进 行打开和关闭操作。
另外, 所述连接件为向上下方向滑动的结构。 通过该结构, 可以 将连接件设置为较薄, 面罩框的厚度也可以更薄设置, 从而可以提高 外观性。
所述的操作杆在相对面罩框开口部的下部的端面上设有水平方向 的槽, 在对应的面罩框开口部端面的水平方向设有突片, 所述槽和突 片相卡合, 突片在槽内水平方向能够左右运动。 该操作杆设有把手, 该把手向面罩框下面的开口部突出向下而伸至室内侧。
在所述活动面罩的背面设有沿侧面而立设的转动导板, 所述转动 导板上设有倾斜的转动导槽; 所述连接件的 U型的垂直方向的前端设 有突起部, 在所述活动面罩的两侧的中部的位置, 该连接件的突起部 与该转动导槽相嵌合, 并能够在转动导槽中滑动; 当连接件上下运动 时, 所述转动导板作前后方向的运动。 通过该结构, 在活动面罩的侧 面上下中心附近,通过连接件可以拉动活动面罩, 从而可以减小拉力, 而且, 通过连接件可以从活动面罩的左右两个方向拉动活动面罩, 活 动面罩不易向左右倾斜, 所述面罩框与活动面罩相紧贴, 或是可以保 持具有一定间隙的均等打开, 而且, 拉力可以均匀地传递到活动面罩 上, 所以, 可以顺畅地打开和关闭活动面罩。
所述连接件具有倾斜的操作杆导槽, 所述操作杆上设有与所述操 作杆导槽相嵌合的操作杆突起, 该操作杆突起能够在操作杆导槽内滑 动, 当操作杆左右运动时, 所述连接件做上下方向的运动。 所述的操 作杆突起为圆柱形或长条形。 通过该结构, 连接件通过操作杆突起的 上部被推到可活动领域的最上部, 通过操作杆突起的下部被推到可活 动领域的最下部。 因此, 连接件的上下可活动领域变大, 在维持可活 动领域的同时, 连接件的高度可以设置为较低, 可以使设置于面罩框 上的通风用的开口变大, 从而降低通风压力损失。
所述的转动导板上的转动导槽由一个或者至少两个倾斜度的槽或 者弧形的槽所构成。 当由至少两个倾斜度的槽所构成时, 对于水平面 而言, 所述转动导槽中倾斜度较小的槽设置于背面侧, 所述转动导槽 中倾斜度较大的槽设置于前面侧。 通过该结构, 施加在朝向活动面罩 的转动导槽上的力的作用方向因设置于上下移动的连接件上的连接突 起的位置而改变, 从而可以顺畅地打开和关闭活动面罩。
另外, 所述连接件为 u型, 所述操作杆导槽设置于连接件的 U型 的水平方向的中央部位。 通过该结构, 由于力从设置于操作杆上的操 作杆突起传递至连接件的中央附近, 所以, 设置于活动面罩左右两侧 的与连接件相卡合的卡合部通过连接件而被均匀地拉动。 因此, 活动 面罩不易向左右倾斜, 所述面罩框与活动面罩相紧贴, 因此可以保持 具有一定间隙的均等打开, 而且, 拉力均匀地传递到活动面罩上, 从 而可以顺利地打开和关闭活动面罩。
另外, 在连接件上的操作杆导槽的上端和下端设有水平的连接件 支撑部, 用以固定操作杆突起部。通过该结构, 由于连接件可以固定, 所以, 可以在固定使活动面罩处于打开或者关闭状态。
所述的活动面罩的内表面设置隔热材料。
所述的活动面罩的上边外框、 以及左右两侧外框的边缘都设置双 重突筋, 所述的双重突筋之间有空隙。
在所述的空隙中设置连接内突筋与外突筋的凸筋, 在内突筋、 外 突筋与凸筋之间形成蓄水槽。
在所述的换气装置本体上设有过滤网支架, 该过滤网支架卡合在 换气装置本体上, 该过滤网支架形成覆盖换气装置本体的前面开口的 形状, 还在所述面罩框的内侧设有遮挡上述过滤网支架与换气装置本 体之间的间隙的密封海绵。
在所述的换气装置本体上设有导风结构,该导风结构位于所述的 换气装置本体与所述的过滤网支架相卡合的卡合处,通过该导风结构, 使冷空气沿导风结构吹向换气装置本体罩住的墙壁。
本发明的优点在于, 只需通过简单的结构就可以打开和关闭活动 面罩, 而且, 从下部通过操作杆可以对设置于高处的面罩进行打开和 关闭操作的换气装置, 并且换气面罩的外表面始终可以保持干燥。 附图说明
图 1为换气装置的活动面罩关闭状态的整体剖面图;
图 2为换气面罩从里侧显示的分解图; 图 3为换气面罩从里侧显示的另一角度的分解图; 图 4为换气面罩的连接件和操作杆安装后的正面图; 图 5为换气装置的活动面罩打开状态的剖面图; 图 6为换气装置的操作杆活动示意图;
图 7为换气面罩从里侧显示的关闭状态的斜视图; 图 8为换气面罩从里侧显示的打开状态的斜视图; 图 9为活动面罩从里侧显示的分解斜视图;
图 10A、 图 10B为连接件操作杆突起不同形状的示意图; 图 11为图 12的 A-A方向剖视图;
图 12为换气装置的整体示意图;
图 13为先有换气装置的活动面罩打开状态的剖面图。 图 14为先有换气装置的正面图。
【符号说明】
1 室内 24 连接件支撑部 室外 25 操作杆
26 26, 操作杆突起 贯穿孔 27 上部突起部 换气装置本体 28 下部突起部 风洞部 29 连接件盖 7 法兰部 30
马达支撑部 31 a 转动导板 马达 31 b 转动导板
10 马达轴 32 转动导槽 11 扇叶 33 上部导槽 12 突起部 34 下部导槽 13 换气面罩 35 隔热材料 14 面罩框 36 开口部边缘 15 活动面罩 42 槽
16 上部侧壁 43 突片
17 下部侧壁 51 内突筋 18 面罩框开口部 52 外突筋
19 活动面罩轴 54 外表面
20 爪 55 空隙
Wl 重心位置 56 凸筋
21 21, 连接件 141 过滤网支架
22 连接突起 142 间隙
23 操作杆导槽 143 密封海绵
144 导风结构
145 卡合片
146 开口 具体实施方式
下面, 参照附图对本发明的实施形态进行说明。
如图 1、 图 2和图 12所示, 室内 1与室外 2相隔的壁 3上开设与 壁 3相连通的贯穿孔 4, 形成风路, 换气装置本体 5安装于所述贯穿 孔 4。 该换气装置本体 5由风洞部 6和本体法兰部 7所构成, 所述风 洞部 6为圆筒状, 风洞部 6内设有马达支撑部 8, 马达 9安装于该马 达支撑部 8上, 在其马达轴 10上装有从室外向室内送风的扇叶 11。 一方面, 本体法兰部 7为由风洞部 6的室内 1侧的开口部的开口边缘 部向半径方向略呈正方形伸出而形成, 设有向背面侧突出的突起部 12。
换气面罩 13由安装于换气装置本体 5上的设有前面开口的面罩框 14、 在该面罩框 14的下部通过活动面罩轴支撑并遮盖面罩框 14的前 面的活动面罩 15所构成。 面罩框 14与换气装置本体 5 的突起部 12 相嵌合。
面罩框 14的上部侧壁 16的突起尺寸大于面罩框 14的下部侧壁 17 的突起尺寸, 面罩框 14 的前面开设面罩框开口部 18, 面罩框 14 的下部形成与壁 3平行的水平活动面罩轴 19, 并轴支撑活动面罩 15。
活动面罩 15越向下面越靠近壁 3侧,形成略呈圆弧形的断面形状, 活动面罩 15遮盖面罩框 14的前面, 从活动面罩 15的重心位置 W1到 室内侧的壁 3表面的水平距离 L1大于活动面罩轴 19到室内侧的壁 3 表面的水平距离 L2。
而且, 面罩框 14 的下部的里面安装了可以在上下方向滑动的 U 型连接件 21和遮盖连接件 21的连接件盖 29, 连接件盖 29嵌入于面 罩框 14, 连接件 21在面罩框 14与连接件盖 29所形成的空洞内活动。 即, 连接件盖 29具有限制连接件 21在该形成的空间内活动的作用。 在面罩框 14的下部还安装了与连接件 21相卡合的可左右滑动的操作 杆 25, 该操作杆 25从面罩框 14的下面被引导至室内 1。
下面通过图 2-图 6对换气面罩 13作进一歩说明。 另外, 在图 2- 图 6中, 就与图 1中相同的构成要件使用同一标号, 省略详细的说明。 图 2、 3中的虚线用以示意连接件 21与面罩框 14、 操作杆突起 26的 安装关系。
在活动面罩 15的背面侧设有与活动面罩轴 19相嵌合并轴支撑活 动面罩 15的爪 20。 在面罩框 14的面罩框开口部 18的左右开设狭缝 30, 该狭缝 30可供形成于活动面罩 15上的左右各一转动导板 31a、 转动导板 31b插入。
在该转动导板 31a、31b上形成形状为从槽的下端向上端为远离活 动面罩 15的转动导槽 32, 连接件 21上的 U型的垂直方向的前端形成 的连接突起 22与转动导槽 32相卡合。 而且, 对于图 2的垂直方向而 言, 连接件 21的 U型的水平方向上形成向右方向(即在图 2中, 与下 端相比, 上端在右侧。) 倾斜一定角度的操作杆导槽 23。 而且, 操作 杆 25上形成的操作杆突起 26与操作杆导槽 23相卡合。
下文对操作杆 25的动作进行说明。 如图 2、 图 3中所示, 操作杆 25的把手向面罩框 14下面的开口部突出向下而伸至室内侧而设置。 而且,在该操作杆 25的与换气面罩 13相对的面设有水平方向的槽 42, 在面罩框开口部 18端面的水平方向设有突片 43, 所述槽 42 和突片 43相卡合,并且突片 43可以在槽 42内水平方向左右活动。在图 6中, 操作杆 25向右侧移动时,操作杆突起 26沿着操作杆导槽 23向上端移 动。 连接件 21为能够上下滑动的结构, 当操作杆突起 26沿着操作杆 导槽 23移动时, 由于其倾斜度而向下侧按压, 所以连接件 21向下侧 移动。
由于连接件 21上设有的连接突起 22与活动导槽 32相卡合,因此 连接部件 21的上下移动将转换成活动面罩 15的开或闭。 具体而言, 再如图 5-图 8所示, 当连接件 21向下移动时, 设置于连接件 21上的 连接突起 22沿着设置于转动导板 31 a、 31 b上的转动导槽 32向下侧 移动。 由于转动导槽 32的下端侧为远离壁 3侧而设置, 随着该连接突 起 22向下移动, 迫使转动导槽 32向壁 3的方向活动, 而使活动面罩 15靠近连接件 21侧, gp、 向使活动面罩 15关闭方向转动, 如图 7所 另外,操作杆 25从图 6中示意的位置向左方向移动的话,通过操 作杆突起 26与连接件的操作杆导槽 23相卡合移动,连接件 21向上方 向移动, 活动面罩 15打开, 如图 8所示。
像这样,活动面罩 15是以作为轴支撑部的活动面罩轴 19为中心, 活动面罩 15的上部向前方倾倒打开的结构, 简单的说, 连接件 21向 上方移动时, 活动面罩 15打开。 相反, 连接件 21向下方移动时, 活 动面罩 15关闭。
另外, 通过在所述结构中的左右两边设置转动导板 31 a、 31 b , 从左右拉活动面罩 15的话, 活动面罩 15不易向左右倾斜。
通过使连接件 21上设有的连接突起 22和活动面罩 15上设有的转 动导槽 32的下部形成于活动面罩 15的附近, 从而可以确保连接件盖 29和壁 3之间的空间。 由于换气面罩 13最后是与换气装置本体 5相 卡合,而换气装置本体 5的本体法兰部 7是嵌入到面罩框 14内的,所 以, 在连接件盖 29和壁 3之间设置一定的空间, 以便换气装置本体 5 的本体法兰部 7卡入。 换而言之, 下部侧壁 17的形状可以更薄设置, 从而提高外观性。
在图 6中, 操作杆突起 26为圆柱形, 本发明的操作杆突起 26还 可以有其他形状。 如图 9、 图 10 ( b ) 所示, 操作杆突起 26 ' 为与操 作杆导槽 23相对应的长条形, 其上部和下部也可设置为半圆形。操作 杆突起 26 ' 由上部突起部 27和下部突起部 28所形成。
图 10 ( a) 中示意的操作杆突起 26是为与图 6中相同的, 由该图 可见, 由于操作杆突起 26左右移动而推动连接件 21上下移动, 连接 件 21移动的最大范围受到确保操作杆突起 26不从操作杆导槽 23中脱 落的限制, 如图中所示意的 L3。 但图 10 (b ) 可见, 由于操作杆突起 26 ' 为长条形, 因此只要有 一部分没有从操作杆导槽 23中滑出, 就不会导致操作杆突起 26 ' 脱 落, 因此连接件 2 可以被上部突起部 27推到更高的位置, 也可以 被下部突起部 28推到更低的位置, 即连接件 2 的可活动领域 L4变 大了。 因此, 与图 6中所示相比, 在维持同样的可活动领域时, 可以 控制连接件 2 的纵方向的高度, 可以设置为较低, 可以使设置于 面罩框 14上的通风用的面罩框开口部 18变大, 从而降低通风压力损 失, 操作杆 25的水平方向的移动因操作杆导槽 23而转换为连接件 21 的上下方向的移动。
另外, 如图 9所示, 设置于转动导板 31 a、 31 b上的转动导槽 32 由具有不同倾斜度的上部导槽 33 和下部导槽 34 连接组成 。 gp, 对 于水平方向而言, 上部导槽 33的倾斜度比较小, 下部导槽 34的倾斜 度比较大。 上部导槽 33和下部导槽 34之间用圆弧过渡。 所述设置于 连接件 21上的连接突起 22与该转动导槽 32相嵌合。
通过所述结构, 当要通过操作杆 25关闭活动面罩 15时, 连接件 21向下降。 而且, 当连接突起 22与下部导槽 34相卡合时, 和连接突 起 22与上部导槽 33相卡合的状态相比,对于连接件 21的下降距离而 言, 活动面罩 15的转动距离变小。 但是, 从连接突起 22向转动导槽 32的作用力为向活动面罩 15的关闭方向而施加, 使粘贴于活动面罩 15上的隔热材料 35与开口部边缘 36相紧贴, 提高其气密性。
相反, 当要打开活动面罩 15时, 通过对操作杆 25进行操作, 连 接件 21向上方移动。而且, 连接突起 22位于上部导槽 33内。这样的 话, 由于对于活动面罩 15的打开方向而言, 上部导槽 33的角度变小, 所以活动面 15通过其自重可以顺畅地向打开方向移动。
另外,在该实施方式中,转动导槽 32由具有两个倾斜度的槽所构 成。对于水平面而言,所述转动导槽 32中倾斜度较小的槽设置于背面 侧, 所述转动导槽 32中倾斜度较大的槽设置于前面侧。 转动导槽 32 还可以设置具有三个或者三个以上的倾斜度, 也可以为弧形。
另外,如图 9所示, 连接件 21的水平方向的略中央部设有操作杆 导槽 23。 而且, 使操作杆突起 26和操作杆导槽 23在活动面罩 15的 中央附近的位置处相卡合。 通过这样的结构, 由于力从设置于操作杆 25上的操作杆突起 26传递至连接件 21的略中央, 所以, 设置于活动 面罩 15左右两个方向的与连接件 21 相卡合的卡合部通过连接件 21 而被均匀地拉动。 因此, 活动面罩 15 不易向左右倾斜, 所述面罩框 14与活动面罩 15相紧贴, 或是可以保持具有一定间隙的均等打开, 而且,拉力均匀地传递到活动面罩 15上, 从而可以顺畅地打开和关闭 活动面罩 15。
另外, 如图 6所示, 在形成于连接件 21上的操作杆导槽 23的上 端和下端设有连接件支撑部 24, 连接件支撑部 24为水平的槽。 该连 接件支撑部 24可以供操作杆 25上的操作杆突起 26滑入。通过该结构, 操作杆 25从图中示意的位置向右方向移动的话, 连接件 21与操作杆 突起 26相连接并向下部移动, 而且, 如果操作杆 25进一歩向右方向 移动的话, 操作杆突起 26卡入连接件支撑部 24内。 在该位置, 由于 连接件 21不能向上下方向活动, 连接件 21被固定在该位置, 所以, 可以固定活动面罩 15。
另外, 虽然转动导槽 32使用了 "槽"之类的表达, 但是, 只要是 与设置于连接件 21上的连接突起 22相嵌合的形状都可以, 譬如, 可 以是贯穿的长孔形状。
本发明的换气装置, 安装于换气装置本体上的换气面罩由设有前 面开口的面罩框、 在该面罩框的下部通过轴支撑并遮盖面罩框的前面 的活动面罩所构成, 由于不需要复杂的驱动机构, 只需通过简单的结 构就可以打开和关闭活动面罩, 而且, 由于从下部通过操作杆可以打 开和关闭设置于高处的面罩, 所以适用于所有具有安装于内设送风机 的本体框前面的可以进行开闭动作的装饰面板的换气装置。
再请参见图 1和图 5, 在活动面罩 15的内表面即朝向风洞部 6侧 设置隔热材料 35, 其材质可以是隔热海绵。 当换气装置本体 5工作吸 入室外 2的冷空气时, 冷空气直接吹向隔热材料 35, 而不会直接吹向 活动面罩 15内表面, 由于冷空气的温度通过隔热材料 35被隔断, 所 以, 活动面罩 15与室内 1的空气的温差变小, 当室内 1的空气接触到 活动面罩 15外表面 54时, 也不会形成因室内 1的空气变冷而产生的 结露水。
活动面罩 15的上边外框、以及左右两侧外框的边缘都设置内突筋 51与外突筋 52这样的双重突筋结构,所述的双重突筋之间有空隙 55。 当换气装置本体 5运转时, 冷空气沿风洞部 6流入, 吹到活动面罩 15 的隔热材料 35后向外周上方和左右方向扩散,通过双重突筋结构, 当 吹到双重突筋的内突筋 51时其温度下降,这样室内 1的空气便会在双 重突筋的内突筋 51与外突筋 52之间的空隙 55中产生结露水,但通过 在空隙 55中设置连接内突筋 51与外突筋 52的凸筋 56, 这样在内突 筋 51、 外突筋 52与凸筋 56之间形成蓄水槽。 凝结在空隙 55中结露 水就存在蓄水槽内, 由于水量不大, 最终会很容易的被蒸发。 而且, 室外 2的冷空气接触到隔热材料 35后,流向外周上方和左右方向与内 突筋 51接触, 再流向室内 1, 此时, 冷空气的温度通过空隙 55而不 会传递到外突筋 52, 所以, 起到防止因外突筋 52温度下降而在外突 筋 52的外表面上形成结露水的作用。
再如图 1、 图 11和图 12所示, 在所述的换气装置本体 5上设有 过滤网支架 141, 该过滤网支架 141形成覆盖换气装置本体 5上的前 面开口的形状, 过滤网支架 141的一侧设有卡合片 145, 换气装置本 体 5上设有供所述过滤网支架 141的卡合片 145插入的开口 146, 过 滤网支架 141的另一侧则通过卡合结构安装在换气装置本体 5上。 还 在所述的面罩框 14 的内侧即风洞部 6侧设有遮挡该过滤网支架 141 与换气装置本体 5之间的间隙 142的密封海绵 143, 此密封海绵 143 即为密封结构。 而由于过滤网支架 141卡合在换气装置本体 5上后, 过滤网支架 141与换气装置本体 5之间还存在一定间隙 142, 所以, 当将面罩框架 14安装到换气装置本体 5上, 换气扇运转时, 吸入室内 1的冷空气可能通过该间隙 142吹向面罩框 14内, 使面罩框 14的上 侧边和左右侧边形成结露水, 通过在面罩框 14 的内侧设置密封海绵 143, 如图所示, 当换气面罩 13安装到换气装置本体 5上时, 面罩框 14内侧的密封海绵 143与过滤网支架 141与换气装置本体 5之间的间 隙 142重叠, 即用密封海绵 143遮挡间隙 142, 密封海绵 143会变形, 此密封海绵 143起到的作用是挡风、 隔热, 所以此处不会有结露水产 生。 像这样通过密封海绵 143遮挡过滤网支架 141与换气装置本体 5 之间的间隙 142, 起到密封作用, 可以防止面罩框 14形成结露水。
再请参见图 11和图 12,还在所述的换气装置本体 5上设有导风结 构 144, 该导风结构 144位于所述的换气装置本体 5与所述的过滤网 支架 141相卡合的卡合处, 该导风结构 144为, 从换气装置本体 5上 的供所述过滤网支架 141的卡合片 145插入的开口 146向风筒部 6侧 延设而成的通路。 通过该导风结构 144, 使冷空气沿导风结构 144吹 向换气装置本体 5罩住的墙壁。
如前面所述, 虽然已经在面罩框 14内侧设置遮挡过滤网支架 141 与换气装置本体 5之间的间隙 142的密封海绵 143, 但可能还由于密 封不严而使风穿过换气装置本体 5上设有的供所述过滤网支架 141的 卡合片 145插入的开口 146, 导致侧边漏风, 从而使冷空气直接吹在 面罩框 14侧边上, 导致面罩框 14侧边结露水。 为了防止侧边漏风而 使面罩框 14侧边结露水, 通过设置导风结构 144, 当冷空气穿过换气 装置本体 5的供所述过滤网支架 141的卡合片 145插入的开口 146后, 沿着向风筒部 6侧延设而成的通路吹回到机体内部, 也就是说, 冷空 气沿导风结构 144吹向换气装置本体 5罩住的墙壁上, 即换气装置本 体 5与墙壁的空间内, 从而可以防止面罩框 14侧边形成结露水。

Claims

权 利 要 求
1、一种换气装置,位于在连通室内与室外的风路的室内侧的壁上, 装有换气面罩, 其特征在于:
所述换气面罩由面罩框和活动面罩所构成, 所述的面罩框安装于 换气装置本体上的前面开口处, 所述的活动面罩通过在该面罩框的下 部的活动面罩轴支撑, 并遮盖面罩框的前面, 从所述活动面罩的重心 位置到所述室内侧的壁的水平距离大于从活动面罩轴到所述室内侧的 壁的水平距离;
从所述面罩框的下部装有操作杆, 能够沿着面罩框下部的端面左 右运动;
所述活动面罩与面罩框之间设有连接所述活动面罩和所述操作杆 的连接件, 所述连接件为向上下方向滑动的结构, 该连接件将所述操 作杆的左右运动转化为所述活动面罩围绕活动面罩轴的开闭运动。
2、 根据权利要求 1所述的换气装置, 其特征在于: 所述的操作杆 在相对面罩框开口部的下部的端面上设有水平方向的槽, 在对应的面 罩框开口部端面的水平方向设有突片, 所述槽和突片相卡合, 突片在 槽内水平方向能够左右运动。
3、 根据权利要求 1所述的换气装置, 其特征在于: 所述的操作杆 设有把手, 该把手向面罩框下面的开口部突出向下而伸至室内侧。
4、 根据权利要求 1所述的换气装置, 其特征在于: 所述连接件具 有倾斜的操作杆导槽, 所述操作杆上设有与所述操作杆导槽相嵌合的 操作杆突起, 该操作杆突起能够在操作杆导槽内滑动, 当操作杆左右 运动时, 所述连接件做上下方向的运动。
5、 根据权利要求 4所述的换气装置, 其特征在于: 所述的操作杆 突起为圆柱形或长条形。
6、 根据权利要求 4所述的换气装置, 其特征在于: 所述连接件为 U型, 所述操作杆导槽设置于连接件的 U型的水平方向的中央部位。
7、 根据权利要求 4所述的换气装置, 其特征在于: 所述的操作杆 导槽的上端和下端设有水平的连接件支撑部,用以固定操作杆突起部。
8、 根据权利要求 1所述的换气装置, 其特征在于: 在所述活动面罩的背面设有沿侧面而立设的转动导板, 所述转动 导板上设有倾斜的转动导槽;
所述连接件的 U型的垂直方向的前端设有突起部, 在所述活动面 罩的两侧的中部的位置, 该连接件的突起部与该转动导槽相嵌合, 并 能够在转动导槽中滑动;
当连接件上下运动时, 所述转动导板作前后方向的运动。
9、 根据权利要求 8所述的换气装置, 其特征在于: 所述的转动导 槽由至少两个倾斜度的槽所构成, 对于水平面而言, 所述转动导槽中 倾斜度较小的槽设置于背面侧, 所述转动导槽中倾斜度较大的槽设置 于前面侧。
10、 根据权利要求 8所述的换气装置, 其特征在于: 所述的转动 导槽为弧形的槽。
11、 根据权利要求 1所述的换气装置, 其特征在于: 所述的活动 面罩的内表面设置隔热材料。
12、 根据权利要求 11所述的换气装置, 其特征在于: 所述的活动 面罩的上边外框、 以及左右两侧外框的边缘都设置双重突筋, 所述的 双重突筋之间有空隙。
13、 根据权利要求 12所述的换气装置, 其特征在于: 在所述的空 隙中设置连接内突筋与外突筋的凸筋, 在内突筋、 外突筋与凸筋之间 形成蓄水槽。
14、 根据权利要求 1所述的换气装置, 其特征在于: 在所述的换 气装置本体上设有过滤网支架,该过滤网支架卡合在换气装置本体上, 该过滤网支架形成覆盖换气装置本体的前面开口的形状, 还在所述面 罩框的内侧设有遮挡上述过滤网支架与换气装置本体之间的间隙的密 封海绵。
15、 根据权利要求 14所述的换气装置, 其特征在于: 在所述的 换气装置本体上设有导风结构, 该导风结构位于所述的换气装置本体 与所述的过滤网支架相卡合的卡合处, 通过该导风结构, 使冷空气沿 导风结构吹向换气装置本体罩住的墙壁。
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