Oil baffle device for range hood

Abstract

The utility model relates to the technical field of antifouling motors, and discloses an oil baffle device for a range hood, which solves the problems in the background technology and comprises a range hood shell, a fixing frame is fixedly connected to the top of an inner cavity of the range hood shell, a motor shell is mounted on the fixing frame, and the motor shell is fixedly connected with the range hood shell. The motor shell is fixedly installed on the fixing frame through a threaded rod, the circumferential surface of the motor shell is sleeved with a fixing piece, a fixing hole is formed in the fixing piece, a heat dissipation opening is formed in the back face of the motor shell, a detachable filter screen is arranged on the heat dissipation opening, and a lantern ring for limiting the filter screen is arranged on the filter screen. The motor shell is fixedly connected with a plurality of groups of side plates, the number of each group of side plates is two, and each two side plates are directly and fixedly connected with a fixed shaft. The anti-fouling device has the advantages that the anti-fouling effect on the motor can be realized, so that the service life of the motor is prolonged, the filter screen is convenient to replace, and the practicability of the whole device is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of anti -pollution motor, concretely is a kind of oil baffle device for range hood. BACKGROUND

[0002] The range hood is also called the extractor hood, and is a kind of kitchen appliance for purifying kitchen environment. It is installed above the kitchen stove, and can rapidly extract the waste of stove combustion and the oil fume harmful to human body generated in the cooking process, and discharge outdoor, simultaneously, it can condense and collect the oil fume, reduce pollution, purify air, and have the safety guarantee function of preventing poison and explosion.

[0003] The existing range hood generates a large amount of oil stain inside when in use, and long-term accumulation can cause damage to the inside of the motor, greatly reducing the service life of the motor. Therefore, we propose an oil baffle device for range hood. UTILITY MODEL CONTENTS

[0004] In order to solve the problem that the existing range hood generates a large amount of oil stain inside when in use, and long-term accumulation can cause damage to the inside of the motor, greatly reducing the service life of the motor, the utility model provides the following technical scheme: an oil baffle device for range hood, comprising a range hood shell, a fixed frame is fixedly connected to the top of the inner cavity of the range hood shell, a motor shell is installed on the fixed frame, the motor shell is fixedly installed on the fixed frame through a threaded rod, a fixed sheet is sleeved on the circumferential surface of the motor shell, a fixed hole is formed in the fixed sheet, a heat dissipation opening is formed in the back surface of the motor shell, a detachable filter screen is arranged on the heat dissipation opening, a sleeve ring for limiting the filter screen is arranged on the filter screen, a plurality of groups of side plates are fixedly connected to the motor shell, the number of side plates in each group is two, a fixed shaft is fixedly connected to each of the two side plates, a first fixed block is fixedly connected to the top of the sleeve ring, a through hole is formed in the surface of the first fixed block, the first fixed block is rotatably sleeved on the fixed shaft through the through hole, a limiting block is fixedly connected to the bottom of the sleeve ring, a second fixed block is further arranged on the motor shell, a limiting mechanism for limiting the limiting block is arranged in the inner cavity of the second fixed block, an oil baffle net is arranged on the surface of the range hood shell, a fixed plate is fixedly connected to the side surface of the oil baffle net, and the fixed plate is fixedly installed on the surface of the range hood shell through bolts.

[0005] Preferably, the limiting mechanism comprises a limiting rod, a rotating rod and a torsional spring, a groove is formed in the bottom of the second fixed block, the limiting rod is rotatably inserted into the groove, the rotating rod is fixedly connected to the side surface of the limiting rod, a rotating groove is further formed in the inner cavity of the second fixed block, the rotating rod is rotatably inserted into the rotating groove, and the torsional spring is sleeved on the circumferential surface of the rotating rod.

[0006] Preferably, one end of the torsion spring is fixed to the circumferential surface of the rotating rod, and the other end of the torsion spring is fixed to the inner wall of the rotating groove.

[0007] Preferably, the bottom of the limiting block is provided with a limiting groove, and the limiting rod is capable of being inserted into the limiting groove.

[0008] Preferably, two rotating rods are respectively arranged on each limiting rod, and the two rotating rods are symmetrically arranged with respect to the longitudinal center line of the limiting rod.

[0009] Preferably, the number of the heat dissipation openings is several, and the several heat dissipation openings are uniformly distributed on the motor shell at equal intervals, and each heat dissipation opening is provided with a filter screen.

[0010] Compared with the prior art, the utility model has the beneficial effects that:

[0011] By rotating the limiting rod, the limiting rod drives the rotating rod to rotate in the rotating groove. When the rotating rod rotates, the torsion spring is twisted. After the limiting rod is rotated out of the limiting groove, the collar can be rotated. The collar drives the first fixed block to rotate around the fixed shaft as the center. When the collar is separated from the filter screen, the filter screen can be removed. Then, a new filter screen is placed on the heat dissipation opening. Then, the collar is pressed on the filter screen by rotating the collar. Then, the limiting rod is loosened and pulled. The torsion spring drives the rotating rod to rotate in the opposite direction. The rotating rod drives the limiting rod to rotate in the opposite direction. The limiting rod is inserted into the limiting groove to limit and fix the limiting block, thereby limiting and fixing the collar. The replacement of the filter screen is completed. The filter screen filters the oil fume of the range hood, thereby preventing oil stains from entering the inside of the motor shell 1. The motor is prevented from being stained. The service life of the motor is improved. The filter screen is convenient to replace. The practicability of the whole device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] The accompanying drawings are used to provide a further understanding of the utility model, and constitute a part of the specification. Together with embodiments of the utility model, the drawings are used to explain the utility model, and do not constitute limitations on the utility model. In the drawings:

[0013] Figure 1 It is a front view structural schematic diagram of the utility model;

[0014] Figure 2 It is a front view partial section structural schematic diagram of the utility model;

[0015] Figure 3 It is a front view structural schematic diagram of the motor shell of the utility model;

[0016] Figure 4 It is a front view structural schematic diagram of the utility model Figure 3An enlarged structural schematic view of part A;

[0017] Figure 5 For the utility model Figure 3 An enlarged structural schematic view of part B;

[0018] Figure 6 For the utility model, a bottom view of a sectional structure of a limiting block and a second fixing block is shown in the figure.

[0019] Figure 7 For the utility model, a bottom view of a sectional structure of a heat dissipation opening, a filter screen and a sleeve ring is shown in the figure.

[0020] In the figure: 1, motor housing; 2, fixed sheet; 3, heat dissipation opening; 4, filter screen; 5, sleeve ring; 6, first fixing block; 7, through hole; 8, fixed shaft; 9, side plate; 10, limiting block; 11, limiting groove; 12, second fixing block; 13, recess; 14, limiting rod; 15, rotating rod; 16, torsional spring; 17, rotating groove; 18, range hood housing; 19, fixed frame; 20, oil blocking screen; 21, fixed plate; 22, bolt. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] By Figures 1-7 The utility model discloses a range hood housing 18 is given, the top of the inner chamber of range hood housing 18 is fixedly connected with fixed frame 19, and fixed frame 19 is installed with motor housing 1, and motor housing 1 is fixedly installed on fixed frame 19 through threaded rod, and the circumferential surface of motor housing 1 is sleeved with fixed sheet 2, and fixed hole is formed in fixed sheet 2, and the back of motor housing 1 is provided with heat dissipation opening 3, and heat dissipation opening 3 is provided with detachable filter screen 4, and sleeve ring 5 for limiting filter screen 4 is arranged on filter screen 4, and a plurality of groups of side plates 9 are fixedly connected to motor housing 1, and the number of each group of side plates 9 is two, and fixed shaft 8 is fixedly connected to each two side plates 9, and the top of sleeve ring 5 is fixedly connected with first fixing block 6, and through hole 7 is formed in the surface of first fixing block 6, and first fixing block 6 is rotatably sleeved on fixed shaft 8 through through hole 7, and limiting block 10 is fixedly connected to the bottom of sleeve ring 5, and second fixing block 12 is further arranged on motor housing 1, and the inner chamber of second fixing block 12 is provided with limiting mechanism for limiting limiting block 10, and the surface of range hood housing 18 is provided with oil blocking screen 20, and the side of oil blocking screen 20 is fixedly connected with fixed plate 21, and fixed plate 21 is fixedly installed on the surface of range hood housing 18 through bolt 22.

[0023] Depend on Figure 6 The limiting mechanism includes a limiting rod 14, a rotating rod 15, and a torsion spring 16. The bottom of the second fixing block 12 has a groove 13, in which the limiting rod 14 is rotatably inserted. The rotating rod 15 is fixed to the side of the limiting rod 14. The inner cavity of the second fixing block 12 also has a rotating groove 17, in which the rotating rod 15 is rotatably inserted. The torsion spring 16 is sleeved on the circumferential surface of the rotating rod 15. The limiting mechanism can limit and fix the collar 5, thereby realizing the limiting and fixing of the filter screen 4, and facilitating the installation and removal of the filter screen 4.

[0024] Depend on Figure 6 As shown, one end of the torsion spring 16 is fixed to the circumferential surface of the rotating rod 15, and the other end of the torsion spring 16 is fixed to the inner wall of the rotating groove 17. The torsion spring 16 can apply torque to the rotating rod 15, thereby applying torque to the limiting rod 14, so that the limiting rod 14 can be inserted into the limiting groove 11.

[0025] Depend on Figures 5-6 As shown, a limiting groove 11 is provided at the bottom of the limiting block 10, and the limiting rod 14 can be inserted into the limiting groove 11.

[0026] Depend on Figure 6 As shown, each limiting rod 14 is provided with two rotating rods 15, which are located on the two sides of the limiting rod 14 respectively, and the two rotating rods 15 are symmetrically arranged with respect to the longitudinal center line of the limiting rod 14. The arrangement of the two rotating rods 15 can make the limiting rod 14 more stable when rotating, thereby improving the stability of the collar 5.

[0027] Depend on Figure 3 It is given that the number of heat dissipation vents 3 is several, and the several heat dissipation vents 3 are evenly distributed on the motor housing 1 at equal intervals. Each heat dissipation vent 3 is equipped with a filter screen 4, which can dissipate the heat inside the motor housing 1 in a timely manner, thereby reducing the instability inside the motor housing 1.

[0028] Working principle: when the filter screen 4 needs to be disassembled and replaced, first rotate the limiting rod 14, the limiting rod 14 will drive the rotating rod 15 to rotate in the rotating groove 17, and the rotating rod 15 will twist the torsion spring 16 when rotating, and the limiting rod 14 will be turned out of the limiting groove 11, then the sleeve ring 5 can be rotated, the sleeve ring 5 will drive the first fixed block 6 to rotate around the fixed shaft 8 as the center, when the sleeve ring 5 is separated from the filter screen 4, the filter screen 4 can be removed, then the new filter screen 4 is placed on the heat dissipation port 3, then the sleeve ring 5 is pressed on the filter screen 4, then the limiting rod 14 is loosened, the torsion spring 16 drives the rotating rod 15 to rotate reversely, the rotating rod 15 drives the limiting rod 14 to rotate reversely, the limiting rod 14 is inserted into the limiting groove 11, thereby limiting and fixing the limiting block 10, and limiting and fixing the sleeve ring 5, the replacement of the filter screen 4 is completed, the filter screen 4 filters the oil fume of the range hood, thereby preventing oil stains from entering the inside of the motor shell 1, when the oil screen 20 needs to be installed, the bolt 22 is rotated to make the bolt 22 separate from the fixed plate 21, and the oil screen 20 can be disassembled.

[0029] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0030] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An oil baffle device for an extractor hood, comprising a hood casing (18), characterized in that: The top of the inner cavity of the range hood shell (18) is fixedly connected with a fixing frame (19), the motor shell (1) is installed on the fixing frame (19), the motor shell (1) is fixedly installed on the fixing frame (19) through a threaded rod, the circumferential surface of the motor shell (1) is sleeved with a fixing sheet (2), the fixing sheet (2) is provided with a fixing hole, the back surface of the motor shell (1) is provided with a heat dissipation opening (3), the heat dissipation opening (3) is provided with a detachable filter screen (4), the filter screen (4) is provided with a sleeve ring (5) for limiting the filter screen (4), a plurality of groups of side plates (9) are fixedly connected to the motor shell (1), the number of each group of side plates (9) is two, each two side plates (9) are directly fixedly connected with a fixing shaft (8), the top of the sleeve ring (5) is fixedly connected with a first fixing block (6), the surface of the first fixing block (6) is provided with a through hole (7), the first fixing block (6) is rotatably sleeved on the fixing shaft (8) through the through hole (7), the bottom of the sleeve ring (5) is fixedly connected with a limiting block (10), the motor shell (1) is also provided with a second fixing block (12), the inner cavity of the second fixing block (12) is provided with a limiting mechanism capable of limiting the limiting block (10), the surface of the range hood shell (18) is provided with an oil blocking net (20), the side surface of the oil blocking net (20) is fixedly connected with a fixing plate (21), the fixing plate (21) is fixedly installed on the surface of the range hood shell (18) through bolts (22).

2. The oil blocking device for a range hood according to claim 1, characterized in that: The limiting mechanism comprises a limiting rod (14), a rotating rod (15) and a torsional spring (16), the bottom of the second fixing block (12) is provided with a groove (13), the limiting rod (14) is rotatably inserted into the groove (13), the rotating rod (15) is fixedly connected to the side surface of the limiting rod (14), the inner cavity of the second fixing block (12) is also provided with a rotating groove (17), the rotating rod (15) is rotatably inserted into the rotating groove (17), and the torsional spring (16) is sleeved on the circumferential surface of the rotating rod (15).

3. The oil blocking device for a range hood according to claim 2, characterized in that: One end of the torsional spring (16) is fixedly connected to the circumferential surface of the rotating rod (15), and the other end of the torsional spring (16) is fixedly connected to the inner wall of the rotating groove (17).

4. The oil blocking device for a range hood according to claim 3, characterized in that: The bottom of the limiting block (10) is provided with a limiting groove (11), and the limiting rod (14) can be inserted into the limiting groove (11).

5. The oil blocking device for a range hood according to claim 4, characterized in that: Two rotating rods (15) are respectively arranged on each limiting rod (14), the two rotating rods (15) are located on the two side surfaces of the limiting rod (14), and the two rotating rods (15) are symmetrically arranged with the longitudinal center line of the limiting rod (14).

6. The oil blocking device for a range hood according to claim 5, characterized in that: The number of the heat dissipation openings (3) is several, the several heat dissipation openings (3) are evenly distributed on the motor shell (1) at equal intervals, and the filter screen (4) is arranged on each heat dissipation opening (3).

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