WO2018120275A1 - Structure d'étanchéité étanche à l'huile pour une barre coulissante et hotte de cuisine utilisant la structure - Google Patents

Structure d'étanchéité étanche à l'huile pour une barre coulissante et hotte de cuisine utilisant la structure Download PDF

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Publication number
WO2018120275A1
WO2018120275A1 PCT/CN2017/000740 CN2017000740W WO2018120275A1 WO 2018120275 A1 WO2018120275 A1 WO 2018120275A1 CN 2017000740 W CN2017000740 W CN 2017000740W WO 2018120275 A1 WO2018120275 A1 WO 2018120275A1
Authority
WO
WIPO (PCT)
Prior art keywords
hole
sliding rod
gasket
oil
sealing structure
Prior art date
Application number
PCT/CN2017/000740
Other languages
English (en)
Chinese (zh)
Inventor
张静
叶丰
申志贤
茅忠群
诸永定
Original Assignee
宁波方太厨具有限公司
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 宁波方太厨具有限公司 filed Critical 宁波方太厨具有限公司
Publication of WO2018120275A1 publication Critical patent/WO2018120275A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/20—Removing cooking fumes

Definitions

  • the invention relates to the technical field of kitchen equipment, in particular to an oil-proof sealing structure for a sliding rod and a range hood using the oil-proof sealing structure.
  • the disclosed range hood includes a smoke guide plate and a fixed plate, and the fixing plate is fixed on one side.
  • the guide rail and the fixed guide rail are provided with a moving guide rail corresponding thereto, and a transmission rod is arranged beside the fixed guide rail, the transmission rod is opposite to the motion guide rail, and the motor is connected to the transmission rod on the other side of the fixed plate, and the lower end of the motion guide rail is arranged
  • a fixed bracket is opposite to the smoke guiding plate
  • the connecting rod is provided with a connecting rod
  • the connecting rod is placed on the moving rail
  • the driving rod and the connecting rod are driven by the motor, so that the moving rail moves up and down on the fixed rail, so that Control the movement of the smoke guide plate.
  • the guide plate driving mechanism of the range hood does not take into account the pollution of the soot environment, and after long-term use
  • the components of the driving mechanism are easily stained with oil, so that the movement friction between the components is increased, which further makes it difficult for the smoke guiding plate to smoothly move up and down, and at the same time, the service life of the driving mechanism is also reduced.
  • other devices that require a sliding bar such as a drawer sterilizer, a steamer with a retractable panel, an oven, etc., have similar problems.
  • the first technical problem to be solved by the present invention is to provide an oil-proof sealing structure for a sliding rod which has a simple structure and a good sealing effect in view of the above-mentioned state of the art.
  • the second technical problem to be solved by the present invention is to provide a range hood using the oil-proof sealing structure, which can effectively prevent the driving mechanism of the air deflector from being contaminated by oil smoke, in view of the above-mentioned state of the art.
  • the oil-proof sealing structure for a sliding rod comprising: a mounting substrate, a cover plate, a gasket and a sliding rod on the mounting substrate Opening a first through hole, the cover plate covers the mounting substrate, and a second through hole aligned with the first through hole is formed in a central portion of the cover plate, so that the mounting substrate is An annular cavity surrounding the outer circumferences of the first through hole and the second through hole is formed between the sealing covers, the sealing pad is disposed in the annular cavity, and is open at the central portion of the sealing pad with the first a through hole, a third through hole aligned with the second through hole, the sliding rod sequentially passes through the second through hole, the third through hole and the first through hole, and an outer wall of the sliding rod is attached to the sealing pad or Adjacent, and the sliding rod and the gasket can slide relative to each other.
  • the gasket is restrained between the mounting substrate and the cover plate in the sliding direction of the sliding rod, and a gap is left between the outer circumference of the sealing gasket and the inner cavity wall of the annular cavity.
  • An active gap that is offset perpendicular to the sliding direction of the slider.
  • the aperture of the first through hole is smaller than the aperture of the second through hole
  • the aperture of the third through hole is smaller than the aperture of the first through hole
  • the sealing pad is formed at the edge of the third through hole to extend to a retaining ring in the first through hole, and a movable gap is left between the retaining ring and the edge of the first through hole.
  • the sealing pad may have a plurality of limiting structures between the mounting substrate and the cover plate.
  • one side of the sealing pad abuts the mounting substrate, and the other side of the sealing pad is formed with a spaced apart convex portion.
  • the convex portion is opposite to or close to the cover plate.
  • the convex portion is provided at a periphery of the gasket.
  • the first through hole, the second through hole and the third through hole are both waist-shaped holes, and correspondingly, the sliding rod has a waist shape in cross section.
  • the gasket may be made of a plurality of materials.
  • the gasket is a plastic member or a rubber member, and a gap is formed between the edge of the third through hole of the gasket and the sliding rod. Since the material of the plastic part and the rubber part is relatively hard, the matching gap is left between the sealing pad and the sliding rod, so that the sliding rod and the sealing pad can be prevented from contacting and rubbing, thereby making the sliding rod movement smoother.
  • the width of the fitting gap is 0.08 mm to 0.12 mm.
  • the gasket is a felt member, and the edge of the third through hole of the gasket is in direct contact with the sliding rod.
  • the felt material is soft.
  • the application has the above-mentioned range hood for the oil-proof sealing structure of the sliding rod, comprising a collecting hood and a wind deflecting plate disposed under the collecting hood
  • the assembly is characterized in that: the mounting substrate is a part of the hood, the first through hole is formed on the hood, and a fume isolation chamber is formed above the hood;
  • the upper end of the sliding rod extends into the soot isolation chamber, the lower end of the sliding rod is connected to the wind deflector assembly, and a driving mechanism for driving the sliding rod to move up and down is installed in the soot isolation chamber.
  • the invention has the advantages that the gasket in the oil-proof sealing structure is disposed in the annular cavity between the mounting substrate and the cover plate, and the mounting substrate and the cover plate can restrict the sliding of the sealing gasket on the sliding rod Moving in the direction, but allowing the gasket to be offset with the sliding rod perpendicular to the sliding direction, thereby achieving the effect of a floating seal, the range hood using the sealing structure can prevent the passage of soot through the mounting substrate and the cover plate
  • the hole enters the soot isolation chamber above the collecting hood, ensuring that the driving mechanism of the sliding rod is always in a non-oily environment, so that the sliding rod can maintain smooth movement and prolong the service life of the driving mechanism.
  • the range hood to which the above-described oil-repellent sealing structure is applied has the same technical effects as described above.
  • FIG. 1 is a schematic structural view of an embodiment of an oil-proof sealing structure of the present invention
  • FIG. 2 is a perspective exploded view of an embodiment of the oil proof seal structure of the present invention.
  • FIG. 3 is a schematic structural view of another embodiment of the oil-proof sealing structure of the present invention.
  • FIG. 4 is a perspective exploded perspective view showing another embodiment of the oil-proof sealing structure of the present invention.
  • Figure 5 is a cross-sectional view showing the structure of an oil-proof sealing structure of the present invention.
  • Figure 6 is a schematic structural view of a range hood with an embodiment of the oil-proof sealing structure of the present invention.
  • Figure 7 is a schematic view showing the structure of the hood after removing the hood
  • FIG. 8 is a schematic structural view of the collecting hood of FIG. 6.
  • FIG. 8 is a schematic structural view of the collecting hood of FIG. 6.
  • the oil proof sealing structure includes a mounting substrate 1, a cover 2, a gasket 3, and a slide bar 4.
  • a first through hole 11 is defined in the mounting substrate 1 , and a second through hole 21 is formed in the central portion of the cover plate 2 , and the cover plate 2 is covered and fixed on the mounting substrate 1 .
  • An annular cavity 5 surrounding the outer circumferences of the first through hole 11 and the second through hole 21 is formed between the mounting substrate 1 and the cover plate 2.
  • the gasket 3 is disposed in the annular cavity 5, and a third through hole 31 is formed in the central portion of the gasket 3 in alignment with the first through hole 11 and the second through hole 21.
  • the sliding rod 4 is vertically disposed, and the sliding rod 4 sequentially passes through the second through hole 21, the third through hole 31 and the first through hole 11 from top to bottom and cooperates with the sealing pad 3, that is, the outer wall of the sliding rod 4 and the sealing
  • the pads 3 are attached or adjacent to each other, and the slide bar 4 can slide up and down with respect to the gasket 3.
  • the two sides of the gasket 3 are constrained between the mounting substrate 1 and the cover plate 2, and the outer periphery of the gasket 3 and the inner cavity wall of the annular cavity 5 are left for the gasket 3 to be horizontal.
  • the active gap that is offset back and forth in the direction.
  • the first through hole 11, the second through hole 21 and the third through hole 31 are both waist-shaped holes, and correspondingly, the sliding rod 4 has a waist shape in cross section.
  • the aperture of the first through hole 11 is smaller than the aperture of the second through hole 21
  • the aperture of the third through hole 31 is smaller than the aperture of the first through hole 11
  • the gasket 3 is formed to extend downward at the edge of the third through hole 31.
  • the gasket 3 is restrained between the mounting substrate 1 and the cover plate 2. Specifically, the lower side surface of the gasket 3 abuts against the mounting substrate 1, and the upper side surface of the gasket 3 is formed with a convex portion 33 which is spaced apart from each other, and the convex portion 33 is provided at the periphery of the gasket 3.
  • the convex portion 33 preferably employs a bump which can directly abut against the cover 2 or can be brought closer to the cover 2 to leave a small gap therebetween.
  • the gasket 3 in this embodiment can be made of a variety of different materials.
  • a relatively hard material such as a plastic member or a rubber member may be used.
  • a clearance is required between the edge of the third through hole 31 of the gasket 3 and the sliding rod 4, and the fitting is required.
  • the gap is generally set between 0.08 mm and 0.12 mm, preferably 0.1 mm, to avoid contact friction between the sliding rod 4 and the gasket 3, thereby making the sliding rod 4 move more smoothly. It is also possible to use a relatively soft material such as felt.
  • the edge of the third through hole 31 of the gasket 3 is in direct contact with the sliding rod 4, which not only has better oil-proof effect, but also has a softer felt material.
  • the felt member can scrape off the oil adhering to the sliding rod 4, thereby making the sliding rod 4 move more smoothly.
  • the range hood includes a hood 6 and a wind deflector assembly disposed under the hood 6 7.
  • the mounting substrate 1 is a part of the hood 6
  • the first through hole 11 is formed on the hood 6
  • the cover 2 is mounted on the hood 6 to form between the hood 6 and the cover 2 .
  • the upper and lower sides of the hood 6 are respectively a non-oily environment and a soot environment, that is, a soot isolation chamber 8 is formed above the hood 6.
  • the sliding rod 4 extends longitudinally through the collecting hood 6, that is, the sliding rod 4 penetrates the soot environment and the non-oily environment, and the upper end of the sliding rod 4 extends into the soot isolation chamber 8, and the lower end of the sliding rod 4 is connected to the wind deflector assembly 7, A drive mechanism 9 that drives the slide bar 4 to move up and down is mounted in the soot isolation chamber 8.
  • the driving mechanism 9 drives the sliding rod 4 to move up and down, thereby driving the smoke guiding plate 7 to perform lifting movement.
  • the sliding rod 4 will have a certain degree of deviation in the horizontal direction when moving up and down.
  • the movement of the sealing pad 3 in the vertical direction can be restricted. And releasing the degree of freedom in the horizontal direction, so that the gasket 3 as a whole can be horizontally offset with the deviation of the sliding rod 4, thereby achieving the effect of floating sealing, and avoiding the passage of the soot through the mounting substrate 1 and the cover plate 2.
  • the hole enters the soot isolation chamber 8 above the hood 6 to ensure that the drive mechanism 9 of the slide bar 4 is always in a non-oily environment, so that the slide bar 4 can always move up and down smoothly.
  • the range hood is an embodiment, but the oil-proof sealing structure for the sliding rod of the present invention is not limited to the range hood, and can also be used for a drawer type sterilizer, a steam box with a retractable panel, an oven, and the like. These are all considered to be within the scope of protection of the present invention.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Sealing Devices (AREA)
  • Ventilation (AREA)

Abstract

La présente invention concerne une structure d'étanchéité étanche à l'huile pour une barre coulissante (4). La structure d'étanchéité étanche à l'huile comprend un substrat de montage (1) pourvu d'un premier trou traversant (11), une plaque de recouvrement (2) pourvue d'un deuxième trou traversant (21), un joint d'étanchéité (3) pourvu d'un troisième trou traversant (31), et la barre coulissante (4). Une cavité annulaire (5) est formée entre le substrat de montage (1) et la plaque de recouvrement (2), le joint d'étanchéité (3) est disposé dans la cavité annulaire (5), la barre coulissante (4) passe à travers les trois trous traversants, une paroi externe de la barre coulissante (4) est fixée au joint d'étanchéité (3), ou à proximité de ce dernier, et la barre coulissante (4) et le joint d'étanchéité (3) peuvent coulisser l'un par rapport à l'autre. Au moyen de la coopération entre le joint d'étanchéité (3) et la barre coulissante (4), cette structure permet à la barre coulissante (4) un certain degré de déplacement lors d'un déplacement vers le haut et vers le bas dans la direction horizontale, et permet à cette dernière de mettre en œuvre la fonction d'étanchéité vis-à-vis des vapeurs d'huile, empêchant ainsi les vapeurs d'huile d'entrer dans une chambre d'isolation de vapeurs d'huile (8) au moyen des trous traversants sur le substrat de montage (1) et la plaque de recouvrement (2) de sorte à assurer qu'un mécanisme de commande (9) de la barre coulissante (4) est toujours dans un environnement dépourvu de vapeurs d'huile.
PCT/CN2017/000740 2016-12-29 2017-12-20 Structure d'étanchéité étanche à l'huile pour une barre coulissante et hotte de cuisine utilisant la structure WO2018120275A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201611244548.6A CN108253479B (zh) 2016-12-29 2016-12-29 一种用于滑动杆的防油密封结构及应用有该结构的吸油烟机
CN201611244548.6 2016-12-29

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WO2018120275A1 true WO2018120275A1 (fr) 2018-07-05

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WO (1) WO2018120275A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114646082A (zh) * 2020-12-18 2022-06-21 杭州老板电器股份有限公司 一种用于油烟机的挂架
US11729811B2 (en) 2013-06-24 2023-08-15 Alcatel Lucent Fairness-enhancing frame structure

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2671498A1 (fr) * 1991-01-11 1992-07-17 Dietrich Equip Menager Hotte d'aspiration pour un plan de travail.
CN202182500U (zh) * 2011-07-07 2012-04-04 张进 吸油烟机吸风口自动伸缩装置
CN202646803U (zh) * 2012-07-06 2013-01-02 方明新 一种防止厨房公共排风道倒烟串味防粘连密封阀
CN106247424A (zh) * 2016-10-08 2016-12-21 珠海格力电器股份有限公司 吸油烟机及其控制方法
CN206347627U (zh) * 2016-12-29 2017-07-21 宁波方太厨具有限公司 一种带活动部件的吸油烟机
CN206439881U (zh) * 2016-12-29 2017-08-25 宁波方太厨具有限公司 一种吸油烟机的活动部件升降机构及应用有该升降机构的吸油烟机
CN206488331U (zh) * 2016-12-29 2017-09-12 宁波方太厨具有限公司 一种用于滑动杆的防油密封结构及应用有该结构的吸油烟机

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2671498A1 (fr) * 1991-01-11 1992-07-17 Dietrich Equip Menager Hotte d'aspiration pour un plan de travail.
CN202182500U (zh) * 2011-07-07 2012-04-04 张进 吸油烟机吸风口自动伸缩装置
CN202646803U (zh) * 2012-07-06 2013-01-02 方明新 一种防止厨房公共排风道倒烟串味防粘连密封阀
CN106247424A (zh) * 2016-10-08 2016-12-21 珠海格力电器股份有限公司 吸油烟机及其控制方法
CN206347627U (zh) * 2016-12-29 2017-07-21 宁波方太厨具有限公司 一种带活动部件的吸油烟机
CN206439881U (zh) * 2016-12-29 2017-08-25 宁波方太厨具有限公司 一种吸油烟机的活动部件升降机构及应用有该升降机构的吸油烟机
CN206488331U (zh) * 2016-12-29 2017-09-12 宁波方太厨具有限公司 一种用于滑动杆的防油密封结构及应用有该结构的吸油烟机

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11729811B2 (en) 2013-06-24 2023-08-15 Alcatel Lucent Fairness-enhancing frame structure
CN114646082A (zh) * 2020-12-18 2022-06-21 杭州老板电器股份有限公司 一种用于油烟机的挂架

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