Range hood
The range hood design with a recess and support member allows for stable attachment and detachment of trays from a more accessible position, addressing the instability of existing designs and preventing spills.
Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Patents
- Current Assignee / Owner
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD
- Filing Date
- 2022-08-17
- Publication Date
- 2026-06-12
AI Technical Summary
Range hoods with cleaning functions require users to stretch their arms fully to attach and detach trays filled with water or wastewater, posing a risk of spilling due to unstable operations when the stove is installed underneath.
A range hood design featuring a box-shaped tray with a recess on the front side wall and a support member, allowing stable attachment and detachment from a position closer to the user's body, facilitated by a recess and support member configuration that enhances grip stability.
Enables stable and secure handling of trays filled with water or wastewater without the risk of spilling, even when the user cannot move directly under the hood.
Smart Images

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Figure 0007873372000003
Abstract
Description
【Technical Field】 【0001】 The present disclosure relates to a range hood. 【Background Art】 【0002】 A range hood with a cleaning function collects cooking fumes with a fan filter that integrates a fan and a filter, and cleans the dirty fan filter with water stored in a casing. Such a range hood with a cleaning function is provided with a water supply tray for storing water for cleaning the fan and a drain tray for storing drainage after cleaning the fan (see, for example, Patent Document 1). 【Prior Art Documents】 【Patent Documents】 【0003】 【Patent Document 1】 Japanese Patent Application Laid-Open No. 2017-180846 【Summary of the Invention】 【Problems to be Solved by the Invention】 【0004】 A range hood with a cleaning function generally has a structure in which each tray is arranged at the back of the product and the tray is grasped from directly below. Therefore, when the user cannot move their body directly under the range hood due to a stove top installed under the range hood, they need to stretch their arms fully to attach and detach the tray filled with water, and there is a risk of spilling the water in the tray during the unstable operation. 【0005】 The present disclosure has been made to solve the above problems, and an object thereof is to provide a technique for stably attaching and detaching a tray filled with water. 【Means for Solving the Problems】 【0006】 To solve the above problems, a range hood in one embodiment of the present disclosure comprises a box-shaped tray and a hood having an intake port and an exhaust port. A tray box is provided at the bottom of the hood that allows the tray to be attached and detached from below, and a recess is provided on the front side wall of the tray, extending towards the rear, with the lower part of the recess being closed by a support member. [Effects of the Invention] 【0007】 According to this disclosure, a tray filled with water can be stably attached and detached. [Brief explanation of the drawing] 【0008】 [Figure 1] This diagram shows the structure of a range hood with a self-cleaning function. [Figure 2] This diagram shows the user's posture when attaching or detaching a tray from a range hood with a self-cleaning function. [Figure 3] Figures 3(a) and 3(b) are perspective views showing the external structure of the range hood with a cleaning function according to this embodiment. [Figure 4] Figures 4(a)-(c) show the structure of the hot water tray shown in Figures 3(a)-(b). [Figure 5] Figures 5(a)-(d) show the installation of the hot water tray into the hot water tray box. [Modes for carrying out the invention] 【0009】 The following describes the forms for implementing this disclosure, in the order of (1) basic structure and (2) structure of range hood with cleaning function, with reference to the attached drawings. (1) Basic structure Figure 1 shows the structure of the range hood 100 with a self-cleaning function. The hood 104 is installed above kitchen appliances 101 such as a stove. The hood 104 includes an intake port 102, an exhaust port 103, an exhaust box plate 110, and an intake port plate 114. The intake port plate 114 has a flat, rectangular shape with a cavity. The intake port 102 is located on the front side of the intake port plate 114, that is, on the side where the cook stands, and sucks in steam, smoke, or surrounding air generated when cooking from kitchen appliances 101 such as pots and pans. The exhaust box plate 110 is located above the intake port 102 on the back side of the intake port plate 114, that is, on the side of the room wall 50 opposite to the side where the cook stands. The exhaust box plate 110 leads to a cavity. The exhaust port 103 is located on the upper side of the exhaust box plate 110, that is, on the ceiling side, and discharges air, etc., to the outside. 【0010】 A centrifugal fan 107 is positioned below the exhaust port 103 of the exhaust box plate 110. The centrifugal fan 107 has multiple blades 106 connected to an electric motor 105 via a shaft. The centrifugal fan 107 draws in air from kitchen appliances 101, etc., and exhausts that air to the outer periphery. Inside the centrifugal fan 107, that is, in the space where air is drawn in, there is an oil collection unit 108 that comes into contact with oil-containing air to deposit oil. The exhaust air comes into contact with the oil collection unit 108, causing the oil to adhere to the oil collection unit 108, and the air after contact is exhausted from the oil collection unit 108. 【0011】 A water reservoir 109 is provided at the bottom of the exhaust box plate 110 inside the hood 104, which stores water to be supplied to the casing 113 surrounding the centrifugal fan 107. A water discharge port 112 is provided at the bottom of the casing 113, and a water discharge storage section 111 is provided below the water discharge port 112 to store the wastewater after cleaning. 【0012】 Figure 2 shows the posture of user 10 when attaching and detaching a tray to the range hood 100 with a self-cleaning function. User 10 removes the water reservoir 109 from the hood 104 and attaches the water reservoir 109, which has been filled with water, to the hood 104. User 10 also removes the water discharge storage section 111, which has been filled with wastewater, from the hood 104 and attaches the water discharge storage section 111, which has been emptied of wastewater, to the hood 104. Here, both the water reservoir 109 and the water discharge storage section 111 are trays. As mentioned above, kitchen appliances 101 are placed under the hood 104, so user 10 cannot move their body directly under the hood 104. Therefore, user 10 needs to stretch their arms as far as they can to attach and detach the tray filled with water. This requires user 10 to perform an unstable operation, and there is a risk of spilling the water in the tray. 【0013】 (2) Structure of the 200 range hood with cleaning function Figures 3(a)-(b) are perspective views showing the external structure of the cleaning range hood 200. The left side of the drawing corresponds to the front side as described above, and the right side of the drawing corresponds to the rear side as described above. When the front side is called the "front side," the rear side is called the "rear side." The intake port 202, exhaust port 203, and hood 204 of the cleaning range hood 200 correspond to the intake port 102, exhaust port 103, and hood 104 of the cleaning range hood 100 in Figure 1, respectively. Although omitted in Figures 3(a)-(b), the cleaning range hood 200 also includes the motor 105, blades 106, centrifugal fan 107, exhaust box plate 110, water discharge storage section 111, water discharge hole 112, casing 113, and intake box plate 114, similar to Figure 1. 【0014】 In Figure 3(a), the box-shaped hot water tray 209 and the box-shaped drain tray 211 have been removed from the hood 204. The hot water tray 209 corresponds to the water storage section 109 in Figure 1 and stores hot or cold water. The drain tray 211 corresponds to the water discharge storage section 111 in Figure 1 and stores wastewater. The hot water tray 209 and the drain tray 211 may be collectively referred to as the "tray". 【0015】 A rectangular rectifier plate 240 is provided at the bottom of the hood 204, and intake ports 202 are provided on the front and left and right sides of the rectifier plate 240. Behind the rectifier plate 240, a hot water tray box 219 and a drain tray box 221 are provided side by side. The hot water tray box 219 and the drain tray box 221 may be collectively referred to as "tray boxes". 【0016】 The hot water tray box 219 is a space capable of housing the hot water tray 209, and the hot water tray 209 can be attached to and detached from the bottom. The hot water tray 209 is provided with a rod-shaped water level sensor 220 that extends downward. The water level sensor 220 is a sensor for measuring the water level of the hot water tray 209 when the hot water tray 209 is attached to the hot water tray box 219. Known technology can be used for the water level sensor 220. The drain tray box 221 is a space capable of housing the drain tray 211, and the drain tray 211 can be attached to and detached from the drain tray box 221 from the bottom. 【0017】 A cover 230 is provided at the bottom of the hood 204. By opening and closing the cover 230, the hot water tray box 219 and the drain tray box 221 are exposed or hidden. In Figure 3(a), the cover 230 is open, and in Figure 3(b), the cover 230 is closed. 【0018】 Figs. 4(a)-(c) show the structure of the hot water tray 209 in Figs. 3(a)-(b). Fig. 4(a) is a perspective view of the hot water tray 209, Fig. 4(b) is a front view of the hot water tray 209 seen from the front side, and Fig. 4(c) is a cross-sectional view taken along the line A-A' of Fig. 4(b). The drain tray 211 also has the same structure as the hot water tray 209. The hot water tray 209 has a hollow box shape with an open upper side formed by a front side wall 300 on the front side, a left side wall 302 on the left side, a right side wall 304 on the right side, a rear side wall 306 on the back side, and a bottom plate 308 on the lower side. Also, a lid is attached to a part of the upper opening of the hot water tray 209. The left side wall 302 is provided with a left protrusion 312 protruding toward the left side, and the right side wall 304 is provided with a right protrusion 314 protruding toward the right side. Also, a convex anti-slip portion 316 is provided on the lower side of the bottom plate 308. 【0019】 The front side wall 300 is provided with a recess 320 that faces toward the back side, i.e., the rear side. Also, the lower side of the recess 320 is blocked by a plate-shaped support member 322. Also, a notch 324 is provided on the front side of the support member 322 in the recess 320. Here, the length of the recess 320 in the front-back direction is indicated as "α", the length of the recess 320 in the up-down direction is indicated as "β", and the length of the recess 320 in the left-right direction is indicated as "γ". "α" is, for example, 30 mm, "β" is, for example, 20 mm, and "γ" is, for example, 25.5 mm. This is determined based on the size of the thumb of an average adult male. 【0020】 According to the "AIST Japanese Hand Dimension Data - Dimension Item List" (https: / / www.airc.aist.go.jp / dhrt / hand / data / list.html) of the National Institute of Advanced Industrial Science and Technology's Artificial Intelligence Research Center, the first dorsal finger length (male, 90th percentile) is "59.1 mm", and the first metacarpophalangeal joint width (male, 90th percentile) is "22.5 mm". That is, the length of the recess 320 in the front-back direction is made longer than the length of the recess 320 in the up-down direction and the length of the recess 320 in the left-right direction. Also, the length of the support member 322 in the front-back direction is indicated as "δ" and is, for example, "15.6 mm". Therefore, the length of the notch 324 in the front-back direction is, for example, "14.4 mm". 【0021】 User 10 grips the hot water tray 209 by inserting the thumb into the recess 320, pressing the support member 322 with the belly of the thumb, and pressing the anti-slip portion 316 of the bottom plate 308 with the fingers other than the thumb. As described above, since the length of the recess 320 in the front-back direction is longer than the length of the recess 320 in the up-down direction, the user 10 can grip the hot water tray 209 from the front side. Thereby, stable gripping of the hot water tray 209 is possible even in the situation as shown in FIG. 2. 【0022】 Further, the inner surface of the recess 320 on the back side is an inclined surface that slopes downward as it goes from the front side to the back side in the hot water tray 209. Due to this inclined surface, when the user 10 inserts the thumb into the recess 320, the fingertip is guided downward along the inclined surface, so it becomes easier to press the upper surface of the support member 322 with the belly of the thumb. Also, compared to the case where the inner surface of the recess 320 on the back side extends perpendicular to the bottom plate 308 of the hot water tray 209, a decrease in the volume of the hot water tray 209 can be suppressed. Also, the length in the up-down direction of the recess 320 is such that when the thumb is inserted into the recess 320, the support member 322 is pressed with the belly of the thumb and the thumb is bent, the first finger joint of the thumb hits the upper surface of the recess 320. Thereby, it becomes difficult for the thumb to move within the recess 320 of the hot water tray 209, and further stable gripping of the hot water tray 209 becomes possible. 【0023】 Furthermore, the support member 322 is positioned above the bottom plate 308 of the hot water tray 209. When viewing the bottom plate 308 of the hot water tray 209 from below, the support member 322 appears recessed upwards from the bottom plate 308 of the hot water tray 209. The vertical length between the support member 322 and the bottom plate 308 of the hot water tray 209 is smaller than the vertical length of the recess 320 of the hot water tray 209. As a result, compared to the case where the support member 322 and the bottom plate 308 of the hot water tray 209 are on the same plane, the vertical length between the support member 322 and the bottom plate 308 of the hot water tray 209 is larger, making it easier for the user 10 to press down on the upper surface of the support member 322 with the pad of their thumb and press down on the lower surface of the bottom plate 308 with the fingers other than their thumb. In addition, the support member 322, which appears recessed upwards, serves as a landmark, making it easier to identify the position of the notch 324 for inserting the thumb. 【0024】 Figures 5(a)-(d) show the installation of the hot water tray 209 into the hot water tray box 219. Figure 5(a) shows the left side of the hot water tray box 219 shown in Figure 3(a). The left side of the hot water tray box 219 is provided with a guide 400 extending from the bottom to the top and a locking portion 402 positioned at the rear of the upper end of the guide 400. The right side of the hot water tray box 219 is also provided with a guide 400 and a locking portion 402. Here, the guide 400 on the left side and the guide 400 on the right side are positioned opposite each other, and the locking portion 402 on the left side and the locking portion 402 on the right side are positioned opposite each other. 【0025】 Figure 5(b) shows the left side wall 302 of the hot water tray 209 in Figure 4(a). As mentioned above, a left projection 312 is provided on the left side wall 302. Figure 5(c) shows the structure when the left projection 312 and the right projection 314 are fitted into the guides 400 on the left and right sides of the hot water tray box 219, and then the hot water tray 209 is moved upward along the guides 400 until the left projection 312 and the right projection 314 reach the upper end of the guides 400. Figure 5(d) shows the structure when the hot water tray 209 is slid backward (rearward) from the state in Figure 5(c) and the left projection 312 and the right projection 314 are locked into the locking part 402. As a result, the hot water tray 209 is attached to the hot water tray box 219. When removing the hot water tray 209 from the hot water tray box 219, the hot water tray 209 is moved in the opposite direction to how it was moved before. 【0026】 In this embodiment, a recess 320 is provided in the front side wall 300 of the hot water tray 209 or the drain tray 211, and the lower side of the recess 320 is closed by a support member 322, so that the hot water tray 209 or the drain tray 211 can be grasped from the front side of the product. Also, since the hot water tray 209 or the drain tray 211 is grasped from the front side of the product, it can be grasped at a position closer to the user's body compared to when it is grasped from directly below. Furthermore, since it is grasped at a position closer to the user's body compared to when it is grasped from directly below, the tray filled with water can be attached and detached stably. 【0027】 Furthermore, since the length of the recess 320 in the front-to-back direction is longer than the length of the recess 320 in the up-to-down direction, the hot water tray 209 or the drain tray 211 can be grasped from the front side of the product. In addition, a notch 324 is provided on the front side of the support member 322, so when attaching the hot water tray 209 or the drain tray 211, fingers can be moved downwards through the notch 324. In addition, a non-slip surface 316 is provided on the underside of the bottom plate 308, so fingers other than the thumb can be hooked onto the non-slip surface 316. Furthermore, because fingers other than the thumb can be hooked onto the non-slip surface 316, tilting and shaking of the hot water tray 209 or the drain tray 211 due to slipping can be suppressed. 【0028】 An outline of one aspect of the present disclosure is as follows: A range hood (200) in one aspect of the present disclosure comprises a box-shaped tray (209, 211) and a hood (204) having an intake port (202) and an exhaust port (203). A tray box (219, 221) is provided at the bottom of the hood (204) from which the tray (209, 211) can be attached and detached from below. The front side wall (300) of the tray (209, 211) is provided with a recess (320) that extends towards the rear, and the lower part of the recess (320) is closed by a support member (322). 【0029】 The length of the recess (320) in the front-to-back direction is longer than the length of the recess (320) in the up-to-down direction. 【0030】 A notch (324) may be provided on the front side of the support member (322). 【0031】 The support member (322) may be provided above the bottom plate of the tray (209, 211). 【0032】 A convex-shaped anti-slip surface (316) may be provided on the underside of the bottom plate of the tray (209, 211). 【0033】 The present disclosure has been described above based on examples. These examples are illustrative, and it will be understood by those skilled in the art that various modifications are possible for each component or combination of processing steps, and that such modifications are also within the scope of the present disclosure. [Explanation of Symbols] 【0034】 10 User, 50 Room wall, 100 Range hood with cleaning function, 101 Kitchen appliance, 102 Intake port, 103 Outlet port, 104 Hood, 105 Electric motor, 106 Blade, 107 Centrifugal fan, 108 Oil collection section, 109 Water storage section, 110 Exhaust box plate, 111 Water discharge storage section, 112 Water discharge hole, 113 Casing, 114 Intake box plate, 200 Range hood with cleaning function, 202 Intake port, 203 Outlet port, 204 Hood, 209 Hot water tray, 211 Drain tray, 219 Hot water tray box, 220 Water level sensor, 221 Drain tray box, 230 Cover, 240 Rectifier plate, 300 Front side wall, 302 left side wall, 304 right side wall, 306 rear side wall, 308 bottom plate, 312 left side projection, 314 right side projection, 316 anti-slip, 320 recess, 322 support member, 324 notch, 400 guide, 402 locking part, 410 water level sensor.
Claims
[Claim 1] A box-shaped tray, It is equipped with a hood having an inlet and an outlet, A tray box is provided at the bottom of the hood, from which the tray can be attached and detached from below. The front side wall of the tray is provided with a recess extending towards the rear. The lower side of the aforementioned recess is blocked by a support member. The rear surface of the recess is an inclined surface that slopes downward from the front to the rear of the tray in the range hood. [Claim 2] The range hood according to claim 1, wherein the length of the recess in the front-to-back direction is longer than the length of the recess in the up-to-down direction. [Claim 3] A box-shaped tray, It is equipped with a hood having an inlet and an outlet, A tray box is provided at the bottom of the hood, from which the tray can be attached and detached from below. The front side wall of the tray is provided with a recess extending towards the rear. The lower side of the aforementioned recess is blocked by a support member. A range hood in which a notch is provided on the front side of the support member. [Claim 4] The range hood according to claim 1 or 3, wherein the support member is provided above the bottom plate of the tray. [Claim 5] The range hood according to claim 4, wherein the vertical length between the support member and the bottom plate is smaller than the vertical length of the recess.