Range hood switch mounting structure

Abstract

A switch mounting structure of a range hood comprises a range hood shell provided with a front side wall and a turnup extending backwards from the upper edge of the front side wall; the switch piece is at least partially positioned on the rear side of the front side wall of the range hood shell and below the flanging; a mounting hole penetrating through the wall thickness of the range hood shell is formed in the turned-over edge of the range hood shell; the switch installation structure of the range hood further comprises a pressing plate which is vertically arranged on the rear side of the switch piece, and the lower end of the pressing plate and the range hood shell are restrained together in the mode that the pressing plate can rotate front and back around a first axis extending left and right; and the fastening piece penetrates through the mounting hole and then is connected with the upper end part of the pressing plate, so that the switch piece is propped between the pressing plate and the front side wall. Compared with the prior art, the switch is convenient to disassemble and assemble.

Description

Technical Field

[0001] The utility model belongs to the technical field of kitchen appliances, and in particular relates to a range hood switch mounting structure. Background Art

[0002] A switch for controlling the operation of the range hood is generally provided on the front side wall or the front panel of the existing range hood housing. The installation structure of the switch is disclosed in the Chinese utility model patent No. 201220640086.0 (authorization announcement No. CN202973280U), which has a first opening for embedding the switch on the front panel of the range hood, and first brackets parallel to the horizontal plane are respectively fixed on the left and right sides of the first opening on the inner side of the front panel, and the left and right ends of the switch are respectively fixed to the first bracket in the up and down directions by screws.

[0003] Another example is the Chinese utility model patent "A switch structure and range hood" with patent number 202221623449.X (authorization announcement number CN217928920U), which includes a substrate, a mounting part, a switch part, a fixing part and an elastic part. The mounting part is arranged on the substrate, the mounting part is provided with a mounting plate, the switch part is arranged on the mounting part, the switch part is provided with a connecting part, the connecting part is provided with a through hole, the fixing part is passed through the through hole and is fixedly connected to the mounting plate, there is a gap between the connecting part and the mounting plate, the elastic part is arranged between the fixing part and the connecting part, the elastic part is used to generate elastic force and drive the connecting part close to the mounting plate so that the switch part can abut against the substrate.

[0004] In the prior art, the switch component is entirely located inside the range hood housing, and the internal space of the housing is limited, making it inconvenient to remove the switch component. For example, when a screw needs to be loosened, a screwdriver needs to be inserted into the housing to operate, which is inconvenient. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide a range hood switch installation structure in view of the current status of the prior art, so as to facilitate the disassembly and assembly of the switch.

[0006] The technical solution adopted by the utility model to solve the above technical problems is: a range hood switch installation structure, comprising:

[0007] The range hood housing comprises a front side wall and a flange extending backward from an upper edge of the front side wall;

[0008] The switch member is at least partially located at a position below the flange on the rear side of the front side wall of the range hood housing;

[0009] Features:

[0010] The flange of the range hood housing is provided with a mounting hole penetrating through the wall thickness thereof;

[0011] The range hood switch installation structure also includes:

[0012] A pressing plate is vertically arranged at the rear side of the switch member, and the lower end of the pressing plate is constrained to the range hood housing in a manner that it can rotate forward and backward around a first axis extending left and right;

[0013] A fastener is connected to the upper end of the pressing plate after passing through the mounting hole, so as to press the switch member between the pressing plate and the front side wall.

[0014] Thus, when the switch component needs to be removed, the fastener can be removed from the upper side of the flange of the range hood housing, which is convenient for operation. When the switch component needs to be installed, the pressing plate is rotated so that the pressing plate is vertically located at the rear side of the switch component, and then the fastener is installed to tighten the switch component between the pressing plate and the front side wall, thereby achieving a stable installation of the switch component structure in the range hood housing.

[0015] Preferably, the lower end portion of the pressing plate is arranged to be detachable from the range hood housing.

[0016] Furthermore, it also includes two brackets, which are respectively arranged on the left and right sides of the switch member and connected to the range hood housing, and each bracket is provided with a plug hole that passes through the front and back, and the lower end of the pressure plate is provided with a first plug extending forward and a second plug extending downward from the front end of the first plug, corresponding to the position of each plug hole, the first plug extends into the corresponding plug hole from the back to the front and is supported on the lower edge of the plug hole, the second plug is pressed against the front side of the bracket, and the first axis is adjacent to or coincides with the intersection of the first plug and the second plug.

[0017] Preferably, the bracket includes a first supporting piece extending backward from the front side wall of the range hood housing, and a second supporting piece extending downward from the rear end of the first supporting piece, and the second supporting piece is provided with the above-mentioned plug-in hole penetrating the wall thickness.

[0018] In order to achieve a stable connection between the bracket and the range hood housing, preferably, the bracket further includes a third support piece extending upward from the front end of the first support piece, and a fourth support piece extending backward from the lower end of the second support piece, the third support piece is attached to the front side wall of the range hood housing, and the range hood housing further includes a lower side wall extending backward from the lower edge of the front side wall, for the fourth support piece to be attached thereto. In this way, the front side wall and the lower side wall of the range hood housing can constrain the frame together.

[0019] Furthermore, the range hood housing also has a smoke inlet wall extending vertically downward or obliquely downward from the rear edge of the lower side wall and having a smoke inlet port.

[0020] In the above scheme, preferably, the upper end of the pressing plate is provided with an upper folded edge extending forward, the upper folded edge is located below the flange of the range hood housing, and is provided with a connecting hole penetrating the wall thickness, and the fastener passes through the mounting hole of the range hood housing and then extends into the connecting hole of the pressing plate to be connected to the pressing plate.

[0021] Preferably, the fastener is a screw, and the connecting hole is a matching threaded hole.

[0022] In order to further limit the position of the switch, preferably, the pressure plate is provided with forward extending and vertically arranged baffles at the positions corresponding to the left and right sides of the switch, and each baffle is opposite to and in contact with or adjacent to the side of the corresponding switch. In this way, the pressure plate can limit the left and right movement of the switch.

[0023] Preferably, the front side surface of the pressing plate facing the switch member is a concave-convex structure, so as to better press the switch onto the front side wall.

[0024] In the above schemes, preferably, the front side wall of the range hood housing is provided with a window penetrating the wall thickness, the central portion of the front side surface of the switch element is inserted into the window, and the outer portion of the front side surface of the switch element is pressed against the front side wall of the range hood housing.

[0025] Compared with the prior art, the utility model has the advantages that: by providing a mounting hole on the flange of the range hood housing, and providing a pressing plate and a fastener, when the switch member needs to be removed, the fastener can be removed from the upper side of the flange of the range hood housing, which is convenient for operation. When the switch member needs to be installed, the pressing plate is rotated so that the pressing plate is vertically located at the rear side of the switch member, and then the fastener is installed to tighten the switch member between the pressing plate and the front side wall, thereby realizing that the switch member structure is stably installed in the range hood housing. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the structure of an embodiment of the utility model;

[0027] Figure 2 A cross-sectional view of an embodiment of the utility model;

[0028] Figure 3 It is a three-dimensional exploded view of the local structure of an embodiment of the utility model;

[0029] Figure 4 A schematic diagram of the installation process of a partial structure of an embodiment of the utility model;

[0030] Figure 5 for Figure 4 Enlarged view of part A in the middle;

[0031] Figure 6It is a cross-sectional view of a local structure of an embodiment of the utility model (the cross-section is a vertical plane extending left and right);

[0032] Figure 7 It is a cross-sectional view of a local structure of an embodiment of the utility model (the cross-section is a vertical plane extending front and back);

[0033] Figure 8 for Figure 7 Enlarged view of part B in the middle. DETAILED DESCRIPTION

[0034] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0035] like Figures 1 to 8 As shown in FIG. 1 , a preferred embodiment of a range hood switch mounting structure of the utility model is shown. The mounting structure includes a range hood housing 1 , a switch member 2 , a pressing plate 3 , a bracket 4 and a fastener.

[0036] The side of the range hood facing the user is the front side, and the range hood housing 1 has a vertically arranged front side wall 11, a flange 12 extending backward from the upper edge of the front side wall 11, a lower side wall 13 extending backward from the lower edge of the front side wall 11, and a smoke inlet wall 14 extending vertically downward or obliquely downward from the rear edge of the lower side wall 13 and having a smoke inlet 140. The flange 12 is provided with a mounting hole 120 penetrating the wall thickness thereof, and there are two mounting holes 120, which are spaced apart in the left-right direction. The front side wall 11 is provided with a window 110 penetrating the wall thickness, and the window 11 is located between the two mounting holes 120.

[0037] like Figure 3 , 6 As shown in FIGS. 8 and 8 , a part of the switch member 2 is located at the rear side of the front side wall 11 of the range hood housing 1 and below the flange 12; the front side surface of the switch member 2 comprises a central portion 2a and a peripheral portion 2b circumferentially located outside the central portion 2a, the central portion 2a is inserted into the window 110 from back to front, the peripheral portion 2b is located at the rear side of the central portion 2a and is relatively fitted with the front side wall 11 of the range hood housing 1.

[0038] like Figures 3 to 5As shown, there are two brackets 4, which are respectively arranged on the left and right sides of the switch member 2 and the rear side of the front side wall 11. Each bracket 4 has a first support piece 41 extending backward from the front side wall 11 of the range hood housing 1, a second support piece 42 extending downward from the rear end of the first support piece 41, a third support piece 43 extending upward from the front end of the first support piece 41, and a fourth support piece 44 extending backward from the lower end of the second support piece 42. The third support piece 43 is attached to the front side wall 11 of the range hood housing 1 and connected to the front side wall 11, and the fourth support piece 44 is attached to the lower side wall 13 of the range hood housing 1 and connected to the lower side wall 13. The second support piece 42 is provided with a plug hole 40 that penetrates the wall thickness from front to back, and the plug hole 40 is in a long strip shape extending from left to right.

[0039] The above-mentioned pressure plate 3 is vertically arranged on the rear side of the switch member 2, and the front side surface of the pressure plate 3 facing the switch member is a concave-convex structure. The positions on the pressure plate 3 corresponding to the left and right sides of the switch member 2 are provided with blocking pieces 34 extending forward and arranged vertically. The left and right sides of the lower end of the pressure plate 3 corresponding to the plug-in hole 40 are provided with a first plug-in piece 31 extending forward and a second plug-in piece 32 extending downward from the front end of the first plug-in piece 31. The first plug-in piece 31 extends from the back to the front into the corresponding plug-in hole 40 and is supported on the lower edge of the plug-in hole 40. The second plug-in piece 32 is located on the front side of the second supporting piece 42 of the bracket 4, so that the lower end of the pressure plate 3 is constrained with the bracket 4 in a manner that it can rotate forward and backward around the first axis 30 extending left and right. The first axis 30 is adjacent to or coincides with the intersection of the first plug-in piece 31 and the second plug-in piece 32. For details, please refer to Figure 4 , 5 At the same time, the lower end of the pressing plate 3 can be separated from the bracket 4.

[0040] At the same time, the upper end of the pressing plate 3 is provided with an upper folding edge 33 extending forward, the upper folding edge 33 is located below the flange 12 of the range hood housing 1, and a threaded hole penetrating the wall thickness is provided at the position corresponding to each mounting hole 120 as a connecting hole 330. There are two fasteners, each of which is a screw, and the rod of the screw passes through the corresponding mounting hole 120 and is screwed into the connecting hole 330 to connect the pressing plate 3 with the flange 12. At this time, the outer peripheral part 2b of the front side of the switch member 2 is pressed against the rear side of the front side wall 11 of the range hood housing, the second inserting piece 32 is pressed against the front side of the second supporting piece 42 of the bracket 4, and each blocking piece 34 is opposite to and fits or is adjacent to the side of the corresponding switch member 2 to limit the movement of the switch member 2.

[0041] In this way, when the switch component 2 needs to be installed, first insert the central part 2a of the front side of the switch component 2 into the window 110 from back to front, then insert the first plug piece 31 and the second plug piece 32 on the left and right sides of the pressing plate 3 into the corresponding plug-in holes 40, and rotate the pressing plate 3 forward to align the connecting hole 330 at the upper end of the pressing plate 3 with the mounting hole 120 on the flange 12, and then extend the fasteners into the corresponding mounting holes 120 and connecting holes 330 in turn and tighten them.

[0042] On the contrary, when the switch member 2 needs to be disassembled, the fasteners can be unscrewed and the pressing plate 3 can be rotated backwards.

[0043] In this embodiment, the range hood housing 1 also has a cover plate 15 covering the top of the flange 12, and a part of the cover plate 15 is located at the rear side of the flange 12. When the user needs to inspect the switch 2, the cover plate 15 can be removed first, and then the fastener can be unscrewed.

[0044] In the specification and claims of the present invention, terms indicating directions, such as "front", "rear", "up", "down", "left", "right", "side", "top", "bottom", etc., are used to describe various exemplary structural parts and elements of the present invention, but these terms are used here only for the purpose of convenience of description and are determined based on the exemplary orientations shown in the accompanying drawings. Since the embodiments disclosed in the present invention can be arranged in different directions, these terms indicating directions are only used as explanations and should not be regarded as limitations. For example, "up" and "down" are not necessarily limited to directions opposite to or consistent with the direction of gravity.

[0045] The term "vertical" is also used in the specification and claims of the present utility model, which means basically along the up and down direction, and is not limited to the vertical direction only, and can also be slightly inclined relative to the vertical direction.

Claims

1. A range hood switch mounting structure, comprising: A range hood housing (1) comprising a front side wall (11) and a flange (12) extending backward from an upper edge of the front side wall (11); The switch member (2) is at least partially located at a position below the flange (12) on the rear side of the front side wall (11) of the range hood housing (1); Features: The flange (12) of the range hood housing (1) is provided with a mounting hole (120) penetrating the thickness of the range hood housing; The range hood switch installation structure also includes: A pressing plate (3) is vertically arranged at the rear side of the switch member (2), and the lower end of the pressing plate (3) is constrained together with the range hood housing (1) in a manner that it can rotate forward and backward around a first axis (30) extending left and right; A fastener passes through the mounting hole (120) and is connected to the upper end of the pressing plate (3) so as to press the switch member (2) between the pressing plate (3) and the front side wall (11).

2. The range hood switch mounting structure according to claim 1, characterized in that: The lower end of the pressing plate (3) is arranged to be detachable from the range hood housing (1).

3. The range hood switch mounting structure according to claim 2, characterized in that: The invention also comprises two brackets (4), which are respectively arranged on the left and right sides of the switch element (2) and connected to the range hood housing (1), and each bracket (4) is provided with a plug hole (40) penetrating from front to back, and the lower end of the pressure plate (3) is provided with a first plug piece (31) extending forward and a second plug piece (32) extending downward from the front end of the first plug piece (31) at the position corresponding to each plug hole (40), the first plug piece (31) extends from the back to the front into the corresponding plug hole (40) and is supported on the lower edge of the plug hole (40), the second plug piece (32) is pressed against the front side of the bracket (4), and the first axis (30) is adjacent to or coincides with the intersection of the first plug piece (31) and the second plug piece (32).

4. The range hood switch mounting structure according to claim 3, characterized in that: The bracket (4) comprises a first supporting piece (41) extending backward from the front side wall (11) of the range hood housing (1), and a second supporting piece (42) extending downward from the rear end of the first supporting piece (41), wherein the second supporting piece (42) is provided with the above-mentioned plug-in hole (40) penetrating the wall thickness.

5. The range hood switch mounting structure according to claim 4, characterized in that: The bracket (4) further comprises a third support piece (43) extending upward from the front end of the first support piece (41), and a fourth support piece (44) extending backward from the lower end of the second support piece (42); the third support piece (43) is attached to the front side wall (11) of the range hood housing (1); the range hood housing (1) further comprises a lower side wall (13) extending backward from the lower edge of the front side wall (11) for the fourth support piece (44) to be attached thereto.

6. The range hood switch mounting structure according to claim 5, characterized in that: The range hood housing (1) further comprises a smoke inlet wall (14) extending vertically downward or obliquely downward from the rear edge of the lower side wall (13) and having a smoke inlet port (140).

7. The range hood switch mounting structure according to claim 3, characterized in that: The upper end of the pressing plate (3) is provided with an upper folded edge (33) extending forward, the upper folded edge (33) is located below the flange (12) of the range hood housing (1), and is provided with a connecting hole (330) penetrating the wall thickness, and the fastener passes through the mounting hole (120) of the range hood housing (1) and then extends into the connecting hole (330) of the pressing plate (3) to be connected to the pressing plate (3).

8. The range hood switch mounting structure according to claim 7, characterized in that: The fastener is a screw, and the connecting hole (330) is a matching threaded hole.

9. The range hood switch mounting structure according to claim 1, characterized in that: The pressure plate (3) is provided with forward-extending and vertically arranged blocking pieces (34) at positions corresponding to the left and right sides of the switch element (2), and each blocking piece (34) is opposite to and in contact with or adjacent to the side surface of the corresponding switch element (2).

10. The range hood switch mounting structure according to claim 1, characterized in that: The front side surface of the pressing plate (3) facing the switch member (2) is a concave-convex structure.

11. The range hood switch mounting structure according to any one of claims 1 to 10, characterized in that: The front side wall (11) of the range hood housing (1) is provided with a window (110) penetrating the wall thickness; the central portion (2a) of the front side surface of the switch component (2) is inserted into the window (110); and the peripheral portion (2b) of the front side surface of the switch component (2) is pressed against the front side wall (11) of the range hood housing (1).

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