Built-in smoke hood fan

Abstract

The utility model provides a built-in smoke hood fan, which relates to the technical field of fans and comprises a trapezoidal smoke hood, a fan body is mounted in the smoke hood and extends to the center of the back surface, and square connecting bumps are fixedly connected to two sides of the smoke hood close to the top. The side face, away from the smoke hood, of each connecting protruding block is fixedly connected with a lead screw sliding block, the size of each lead screw sliding block is consistent with that of the corresponding connecting protruding block, and a concave frame arranged in the wall is installed on the side face, away from the corresponding connecting protruding block, of each lead screw sliding block and located on the periphery of the smoke hood. According to the utility model, through the design, the smoke hood fan can be effectively arranged in the wall, so that the smoke hood fan is prevented from occupying too much space and influencing the aesthetic property in the kitchen.

Description

Technical Field

[0001] The utility model relates to the technical field of fans, in particular to a built-in smoke hood fan. Background Art

[0002] The hood fan is a kitchen appliance that purifies the kitchen environment. It is installed above the kitchen stove and can quickly extract the waste from the stove combustion and the oil smoke generated during the cooking process that is harmful to the human body and discharge it outdoors. At the same time, it condenses and collects the oil smoke to reduce pollution, purify the air, and has a safety guarantee function of anti-toxicity and explosion-proof.

[0003] In the prior art, a hood fan is used to absorb the oil fume waste gas generated during the cooking process. By absorbing the oil fume waste gas and discharging it outdoors, the oil fume waste gas is prevented from adhering to the kitchen, which affects the appearance of the kitchen and makes it difficult to clean the oil fume. The existing hood fans are basically installed on the wall of the kitchen. Installing the hood fan on the wall of the kitchen will not only take up more space, but also affect the appearance of the kitchen. Therefore, we propose a built-in hood fan. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings existing in the prior art. The hood fan is used to absorb the oil fume waste gas generated in the cooking process. By absorbing the oil fume waste gas and discharging it outdoors, the oil fume waste gas can be prevented from adhering to the kitchen, which affects the appearance of the kitchen and makes it difficult to clean the oil fume. The existing hood fans are basically installed on the wall of the kitchen. Installing the hood fan on the wall of the kitchen will not only take up more space, but also affect the appearance of the kitchen.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A built-in smoke hood fan comprises a trapezoidal smoke hood, wherein the interior of the smoke hood extends to the center of the back side where a fan body is installed, and square connecting protrusions are fixedly connected to both sides of the smoke hood near the top, and screw sliders with sizes consistent with the connecting protrusions are fixedly connected to the side of the connecting protrusions away from the smoke hood, and a concave frame built into the wall is installed on the side of the screw slider away from the connecting protrusion and located on the periphery of the smoke hood.

[0007] As a preferred solution of the utility model, a square vent is provided at the inclined front portion of the smoke hood, and an oil collecting net with an outer diameter consistent with the inner diameter of the vent is installed inside the vent, and the oil collecting net is snap-fitted with the vent.

[0008] As a preferred solution of the utility model, a first smoke exhaust pipe made of iron metal material and connected to the smoke hood is installed on the back of the smoke hood and on the right side of the fan body, and a telescopic smoke exhaust pipe is fixedly connected to the back of the first smoke exhaust pipe, and a second smoke exhaust pipe made of iron metal material is also fixedly connected to the back of the telescopic smoke exhaust pipe. The first smoke exhaust pipe, the telescopic smoke exhaust pipe and the second smoke exhaust pipe are all connected.

[0009] As a preferred solution of the utility model, a control button is installed on the front side of the smoke hood near the top, and a semicircular oil collecting trough with an upward opening is installed at the bottom of the smoke hood, and the oil collecting trough is snap-connected with the smoke hood.

[0010] As a preferred solution of the utility model, a strip-shaped linear guide rail is correspondingly provided on the periphery of the screw slider and the inner wall of the frame, and a roller-shaped screw rod is rotatably connected inside the linear guide rail. The screw slider is slidably connected to the linear guide rail, and the Chelsea screw slider intersects with the screw rod thread.

[0011] As a preferred solution of the utility model, heat dissipation windows are symmetrically installed on the front of the frame, and drive motors are installed on the back of the heat dissipation windows and inside the frame. The output end of the drive motor passes through the linear guide rail and is fixedly connected to the screw rod.

[0012] The technical effect of adopting the above further solution is that the driving motor can effectively provide driving power for the screw rod to rotate.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model discloses a frame is provided, the frame can be built into the wall, by building the frame into the wall, the volume of the smoke hood exposed to the outside can be reduced, thereby effectively reducing the occupied space, thereby improving the aesthetics of the kitchen, and the driving motor can drive the screw rod to rotate, and the rotation of the screw rod can drive the screw rod slider to move in the linear guide rail, and the sliding of the screw rod slider in the linear guide rail can drive the connecting protrusion to move, thereby driving the smoke hood to move in the frame, so that when the smoke hood fan is used, the vent of the smoke hood fan can be placed directly above the stove, thereby ensuring the effect of the smoke hood fan, and when it is not needed, the smoke hood fan can be stored, and the first smoke exhaust pipe can ensure the stability of the connection with the smoke hood, the second smoke exhaust pipe can ensure the stability of the smoke exhaust, and the telescopic smoke exhaust pipe can move with the movement of the smoke hood, effectively ensuring the stability of the smoke exhaust of the smoke hood fan. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2This is the smoke hood structure intention of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the drive motor of the utility model.

[0018] Legend: 1. Hood; 11. Ventilation port; 12. Oil collecting net; 13. Control button; 14. Oil collecting tank; 2. Fan body; 21. First exhaust pipe; 22. Telescopic exhaust pipe; 23. Second exhaust pipe; 3. Connecting bump; 4. Screw slider; 41. Linear guide; 42. Screw; 5. Frame; 51. Heat dissipation window; 52. Drive motor. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0020] In order to facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant literature, and several embodiments of the present invention are given. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0021] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may also be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field of the present invention. The terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used in this article includes any and all combinations of one or more related listed items.

[0023] Example 1

[0024] like Figure 1-3As shown, the utility model provides a technical solution: a built-in smoke hood fan, including a trapezoidal smoke hood 1, the interior of the smoke hood 1 extends to the back center where a fan body 2 is installed, and square connecting protrusions 3 are fixedly connected near the top on both sides of the smoke hood 1, and then a screw slider 4 with a size consistent with that of the connecting protrusion 3 is fixedly connected to the side of the connecting protrusion 3 away from the smoke hood 1, and a concave frame 5 built into the wall is installed on the side of the screw slider 4 away from the connecting protrusion 3 and located on the periphery of the smoke hood 1, so that the smoke hood 1 can be easily built into the wall.

[0025] Example 2

[0026] like Figure 1-3 As shown, a square vent 11 is provided at the inclined front portion of the hood 1, and an oil collecting net 12 with an outer diameter consistent with the inner diameter of the vent 11 is installed inside the vent 11. The oil collecting net 12 is snap-fitted to the vent 11, and the oil collecting net 12 facilitates the absorption of oil on the surface of the hood 1 to avoid affecting the interior of the hood 1.

[0027] A first smoke exhaust pipe 21 made of iron metal and connected to the smoke hood 1 is installed on the back of the smoke hood 1 and on the right side of the fan body 2, and a telescopic smoke exhaust pipe 22 is fixedly connected to the back of the first smoke exhaust pipe 21, and a second smoke exhaust pipe 23 made of iron metal is also fixedly connected to the back of the telescopic smoke exhaust pipe 22. The first smoke exhaust pipe 21, the telescopic smoke exhaust pipe 22 and the second smoke exhaust pipe 23 are all connected, and the telescopic smoke exhaust pipe 22 can be extended and retracted according to the movement of the smoke hood 1.

[0028] A control button 13 is installed on the front side of the hood 1 near the top, and a semicircular oil collecting trough 14 with an opening facing upward is installed at the bottom of the hood 1. The oil collecting trough 14 is snap-connected with the hood 1. The oil collecting trough 14 is convenient for gathering the oil collected by the oil collecting net 12, and the snap-connection makes it convenient to remove the oil collecting trough 14 and process the oil.

[0029] A strip-shaped linear guide 41 is provided on the periphery of the screw slider 4 and on the inner wall of the frame 5, and a roller-shaped screw 42 is rotatably connected inside the linear guide 41. The screw slider 4 is slidably connected to the linear guide 41, and the threads of the screw slider 4 and the screw 42 intersect. The linear guide 41 can maintain the stability of the screw slider 4 during the sliding process.

[0030] The front of the frame 5 is symmetrically equipped with heat dissipation windows 51, and the back of the heat dissipation window 51 and the inside of the frame 5 are equipped with drive motors 52. The output end of the drive motor 52 passes through the linear guide 41 and is fixedly connected to the screw rod 42. The drive motor 52 can provide power for the rotation of the screw rod 42.

[0031] The working process of the utility model is as follows: when using a built-in hood fan to absorb oil during cooking, first, the control button 13 is used to control the driving motor 52 to work, and the driving motor 52 drives the lead screw 42 in the linear guide 41 to rotate, and the lead screw 42 drives the lead screw slider 4 intersecting with its thread to slide inside the linear guide 41, and when the lead screw slider 4 slides in the linear guide 41, it will move synchronously with the connecting protrusion 3, so as to move the hood 1 forward from the inside of the frame 5, and at the same time, the telescopic smoke exhaust pipe 22 is also unfolded with the movement of the hood 1, and when the hood 1 is moved into place, the control button 13 is used to control the fan body 2 to work, and the fan body 2 sucks the oil smoke generated during cooking through the vent 11, and discharges it through the first smoke exhaust pipe 21 and the telescopic smoke exhaust pipe 22 and the second smoke exhaust pipe 23, and after cooking is completed, it only needs to reset the device, and the utility model can effectively build the hood fan into the wall through design, thereby avoiding the hood fan occupying too much space and affecting the aesthetics in the kitchen.

[0032] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A built-in hood fan, comprising a trapezoidal hood (1), characterized in that: The interior of the smoke hood (1) extends to the center of the back side, where a fan body (2) is installed. Square connecting protrusions (3) are fixedly connected on both sides of the smoke hood (1) near the top. A screw slider (4) having a size consistent with that of the connecting protrusion (3) is fixedly connected to the side of the connecting protrusion (3) away from the smoke hood (1). A concave frame (5) built into the wall is installed on the side of the screw slider (4) away from the connecting protrusion (3) and located on the periphery of the smoke hood (1).

2. The built-in hood fan according to claim 1, characterized in that: A square vent (11) is provided at the inclined front portion of the smoke hood (1), and an oil collecting net (12) having an outer diameter consistent with the inner diameter of the vent (11) is installed inside the vent (11), and the oil collecting net (12) is snap-connected with the vent (11).

3. The built-in hood fan according to claim 1, characterized in that: A first smoke exhaust pipe (21) made of iron metal material and connected to the smoke hood (1) is installed on the back of the smoke hood (1) and located on the right side of the fan body (2), and a telescopic smoke exhaust pipe (22) is fixedly connected to the back of the first smoke exhaust pipe (21), and a second smoke exhaust pipe (23) made of iron metal material is also fixedly connected to the back of the telescopic smoke exhaust pipe (22), and the first smoke exhaust pipe (21) is connected to the telescopic smoke exhaust pipe (22) and the second smoke exhaust pipe (23).

4. The built-in hood fan according to claim 1, characterized in that: A control button (13) is installed on the front side of the smoke hood (1) near the top, and a semicircular oil collecting trough (14) with an opening facing upward is installed at the bottom of the smoke hood (1), and the oil collecting trough (14) is snap-connected to the smoke hood (1).

5. The built-in hood fan according to claim 1, characterized in that: The outer periphery of the screw slider (4) and the inner wall of the frame (5) are provided with a corresponding linear guide rail (41) in the form of a strip, and the interior of the linear guide rail (41) is rotatably connected with a roller-shaped screw rod (42). The screw slider (4) is slidably connected to the linear guide rail (41), and the threads of the screw slider (4) and the screw rod (42) intersect.

6. The built-in hood fan according to claim 5, characterized in that: The front side of the frame (5) is symmetrically provided with heat dissipation windows (51), and the back side of the heat dissipation windows (51) and the interior of the frame (5) are provided with drive motors (52), the output end of the drive motors (52) passing through the linear guide rail (41) and being fixedly connected with the lead screw (42).

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