Auxiliary opening device for range hood

Abstract

The utility model discloses a range hood auxiliary opening device which comprises a range hood, the range hood comprises a smoke collecting hood, an air inlet is formed in the smoke collecting hood, and the range hood further comprises a smoke baffle capable of opening or closing the air inlet. The auxiliary opening device for the range hood further comprises a movement mechanism capable of assisting in opening the smoke barrier when the range hood is in a lying state, and the movement mechanism is externally arranged on the outer side of the range hood. Compared with the prior art, the smoke barrier has the advantages that the weight of the smoke barrier of the range hood can be reduced, so that the opening speed of the smoke barrier is increased, and the production efficiency and speed are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to oil fume purification device, especially an auxiliary opening device of range hood. BACKGROUND

[0002] Range hood has become one of indispensable kitchen household electrical appliances in modern family.

[0003] Range hood is usually divided into top suction type and side suction type, and the side suction type range hood is usually provided with a smoke baffle to improve the smoke gathering effect, such as a near suction type range hood disclosed in Chinese utility model patent No. 202222641773.0, which comprises a machine shell, a smoke baffle, a driving mechanism and a transmission mechanism, the upper region of the front side of the machine shell is provided with an air inlet, the smoke baffle is arranged at the position corresponding to the air inlet of the machine shell, and the driving mechanism drives the smoke baffle to rotate forward relative to the machine shell to open the air inlet or rotate backward to close the air inlet through the transmission mechanism.

[0004] During the production of the range hood, the smoke baffle of the range hood needs to be opened for inspection, and the range hood is usually in a lying state on the production line. According to the conventional movement mechanism scheme of the range hood, when the range hood is in a lying state, the opening speed of the smoke baffle is slow, which will affect the production efficiency and speed of the whole production line.

[0005] At present, a reducer motor or a push rod with a large output torque is usually selected during the design of the movement mechanism to increase the opening speed of the smoke baffle when the range hood is in a lying state, but the following disadvantages will be caused: 1. The user's safety is not safe because the closing speed of the smoke baffle is too fast and the clamping force of the smoke baffle is too large when the smoke baffle is closed; 2. The overall structural strength of the movement mechanism is high, which reduces the service life of the movement mechanism; 3. The adhesive strength of the smoke baffle support is high, which is easy to cause the smoke baffle glass to slide off. UTILITY MODEL CONTENTS

[0006] The utility model solves the technical problem that the existing technology has the above-mentioned deficiencies, provides an auxiliary opening device of range hood, which can help the range hood to reduce the weight of the smoke baffle without using a movement mechanism with a large torque when the range hood is in a lying state on the production line, so that the opening speed of the smoke baffle is increased, and the production efficiency and speed are improved.

[0007] The utility model adopts the technical scheme that an auxiliary opening device of range hood, comprising a range hood, the range hood comprises a smoke collecting hood, an air inlet is formed in the smoke collecting hood, the range hood further comprises a smoke baffle capable of opening or closing the air inlet, characterized in that: the auxiliary opening device of the range hood further comprises a movement mechanism capable of assisting in opening the smoke baffle when the range hood is in a lying state, and the movement mechanism is externally arranged on the outer side of the range hood.

[0008] By setting the auxiliary opening movement mechanism of the smoke baffle on the outside of the range hood, the range hood can help reduce the weight of the smoke baffle, so that the opening speed of the smoke baffle is faster, and the production efficiency and speed are accelerated.

[0009] In order to assist the opening of the smoke baffle, the movement mechanism includes a plate body capable of abutting against one side of the smoke baffle towards the air inlet to assist the opening of the smoke baffle.

[0010] In order to assist the opening of the smoke baffle, when the range hood is in the lying state, the back of the smoke collecting cover of the range hood is set downward, the air inlet of the range hood is set upward, the movement mechanism includes a first base, a second base, a third base, a fourth base and a fifth base, the first base is arranged along the left-right direction of the smoke collecting cover, the second base is arranged along the height direction of the smoke collecting cover, the second base is arranged above the first base and can move along the length direction of the first base, the third base and the fourth base are arranged on the second base and arranged along the length direction of the second base, the third base and the fourth base extend along the front-back direction of the smoke collecting cover, the third base and the fourth base can move along the length direction of the second base, the two ends of the fifth base are rotatably connected with the third base and the fourth base respectively, the two ends of the fifth base can move along the length direction of the third base and the fourth base respectively, the plate body is arranged on the fifth base, and the plate body can move along the length direction of the fifth base.

[0011] In order to drive the plate body to move, the first base is provided with a first linear drive module for driving the second base to move, the second base is provided with a second linear drive module for driving the third base and a third linear drive module for driving the fourth base, the third base is provided with a fourth linear drive module for driving one end of the fifth base to move, the fourth base is provided with a fifth linear drive module for driving the other end of the fifth base to move, and the fifth base is provided with a sixth linear drive module for driving the plate body to move.

[0012] In order to realize the movement of the second base, the first linear drive module includes a first motor, a first screw rod and a first sliding block, the first motor and the first screw rod are arranged on the first base, the first screw rod is arranged along the length direction of the first base, the first screw rod is driven by the first motor to rotate along its own axis, the first sliding block is arranged on the first screw rod, the first sliding block can move along the length direction of the first screw rod with the rotation of the first screw rod, and the second base is arranged on the first sliding block.

[0013] In order to realize the movement of the third base and the fourth base, the second linear drive module comprises a second motor, a second screw rod and a second sliding block, the third linear drive module comprises a third motor, a third screw rod and a third sliding block, the second motor and the third motor are arranged at two ends of the second base respectively, the second screw rod and the third screw rod extend along the length direction of the second base, the second screw rod is driven to rotate along its own axis by the second motor, the second sliding block is arranged on the second screw rod, the second sliding block can move along the length direction of the second screw rod with the rotation of the second screw rod, the third base is arranged on the second sliding block, the third screw rod is driven to rotate along its own axis by the third motor, the third sliding block is arranged on the third screw rod, the third sliding block can move along the length direction of the third screw rod with the rotation of the third screw rod, and the fourth base is arranged on the third sliding block.

[0014] In order to realize the movement of the two ends of the fifth base, thereby adjusting the angle of the plate body, the fourth linear drive module comprises a fourth motor, a fourth screw rod and a fourth sliding block, the fourth motor is arranged on the third base, the fourth screw rod is arranged along the length direction of the third base, the fourth screw rod is driven to rotate along its own axis by the fourth motor, the fourth sliding block is arranged on the fourth screw rod, the fourth sliding block can move along the length direction of the fourth screw rod with the rotation of the fourth screw rod, the fifth linear drive module comprises a fifth motor, a fifth screw rod and a fifth sliding block, the fifth motor is arranged on the fourth base, the fifth screw rod is arranged along the length direction of the fourth base, the fifth screw rod is driven to rotate along its own axis by the fifth motor, the fifth sliding block is arranged on the fifth screw rod, and the fifth sliding block can move along the length direction of the fifth screw rod with the rotation of the fifth screw rod, and the two ends of the fifth base are rotationally connected with the fourth sliding block and the fifth sliding block respectively.

[0015] In order to realize the movement of the plate body, the sixth linear drive module comprises a sixth motor, a sixth screw rod and a sixth sliding block, the sixth motor is arranged on the fifth base, the sixth screw rod is arranged along the length direction of the fifth base, the sixth screw rod is driven to rotate along its own axis by the sixth motor, the sixth sliding block is arranged on the sixth screw rod, and the sixth sliding block can move along the length direction of the sixth screw rod with the rotation of the sixth screw rod, and the plate body is connected with the sixth sliding block.

[0016] Compared with the prior art, the utility model has the advantages that the movement mechanism for assisting the opening of the smoke baffle is arranged on the outer side of the range hood, the range hood can help to reduce the weight of the smoke baffle, the opening speed of the smoke baffle is increased, and the production efficiency and speed are improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1A schematic view of the smoke deflector of the range hood of the range hood auxiliary opening device of the utility model embodiment when the smoke deflector is not opened;

[0018] Fig. 2 A schematic view of the plate body auxiliary opening smoke deflector of the range hood auxiliary opening device of the utility model embodiment;

[0019] Fig. 3 A schematic view of the hidden part of the smoke collecting cover of the range hood of the utility model embodiment;

[0020] Fig. 4 An exploded structural schematic view of the movement mechanism of the range hood auxiliary opening device of the utility model embodiment. DETAILED DESCRIPTION

[0021] The utility model will be described further in detail below in combination with the embodiment of the drawings.

[0022] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and are not intended to indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, since the disclosed embodiments of the utility model can be arranged in different directions, so these orientation indicating terms are only as an illustration and should not be regarded as a limitation, for example, "upper", "lower" are not necessarily limited to the direction opposite or consistent with the direction of gravity. In addition, the features defined as "first", "second" can explicitly or implicitly include one or more features.

[0023] Referring to Figs. 1-4 A range hood auxiliary opening device, comprising a range hood 1, which is a side suction type range hood, the range hood 1 comprising a smoke collecting cover 11, the smoke collecting cover 11 being provided with an air inlet 111, the range hood 1 further comprising a smoke deflector 12 capable of opening or closing the air inlet 111, the range hood 1 further comprising a driving mechanism 13 and a transmission mechanism 14 for driving the smoke deflector 12 to open and close the smoke deflector 12. The structure of the above-mentioned range hood 1 is the same as the prior art, and will not be described here.

[0024] The range hood auxiliary opening device further comprises a movement mechanism 2 capable of assisting in opening the smoke deflector 12 when the range hood 1 is in a lying state (usually on the production line), the movement mechanism 2 being externally arranged on the outer side of the range hood 1 and being independently arranged relative to the range hood 1.

[0025] In this embodiment, when the range hood 1 is in the lying state, the back of the smoke collecting hood 11 of the range hood 1 is arranged downward, and the air inlet 111 of the range hood 1 is arranged upward.

[0026] The movement mechanism 2 includes a plate body 26 capable of abutting against one side of the smoke baffle 12 facing the air inlet 111 to assist in opening the smoke baffle 12. The movement mechanism 2 further includes a first base 21, a second base 22, a third base 23, a fourth base 24, and a fifth base 25.

[0027] The first base 21 is arranged to extend along the left-right direction of the smoke collecting hood 11, the second base 22 is arranged to extend along the height direction of the smoke collecting hood 11, and the second base 22 is arranged above the first base 21 and is capable of moving along the length direction of the first base 21. The third base 23 and the fourth base 24 are both arranged on the second base 22 and are arranged along the length direction of the second base 22, the third base 23 and the fourth base 24 both extend along the front-rear direction of the smoke collecting hood 11, and the third base 23 and the fourth base 24 are both capable of moving along the length direction of the second base 22. The two ends of the fifth base 25 are respectively rotationally connected with the third base 23 and the fourth base 24, the two ends of the fifth base 25 are respectively capable of moving along the length direction of the third base 23 and the fourth base 24, the plate body 26 is arranged on the fifth base 25, and the plate body 26 is capable of moving linearly along the length direction of the fifth base 25.

[0028] The first base 21 is provided with a first linear drive module for driving the second base 22 to move. The second base 22 is provided with a second linear drive module for driving the third base 23 and a third linear drive module for driving the fourth base 24. The third base 23 is provided with a fourth linear drive module for driving one end of the fifth base 25 to move. The fourth base 24 is provided with a fifth linear drive module for driving the other end of the fifth base 25 to move. The fifth base 25 is provided with a sixth linear drive module for driving the plate body 26 to move.

[0029] The first linear drive module includes a first motor 31, a first screw rod 32, and a first sliding block 33. The first motor 31 and the first screw rod 32 are both arranged on the first base 21, the first screw rod 32 is arranged along the length direction of the first base 21, the first screw rod 32 is driven by the first motor 31 to rotate along its own axis, the first sliding block 33 is arranged on the first screw rod 32, the first sliding block 33 is capable of moving along the length direction of the first screw rod 32 with the rotation of the first screw rod 32, and the second base 22 is arranged on the first sliding block 33.

[0030] The second linear drive module comprises a second motor 41, a second screw rod 42 and a second sliding block 43. The third linear drive module comprises a third motor 51, a third screw rod 52 and a third sliding block 53. The second motor 41 and the third motor 51 are arranged at two ends of the second base 22 respectively, and the second screw rod 42 and the third screw rod 52 extend along the length direction of the second base 22. The second screw rod 42 is driven by the second motor 41 to rotate along its own axis, the second sliding block 43 is arranged on the second screw rod 42, and the second sliding block 43 can move along the length direction of the second screw rod 42 with the rotation of the second screw rod 42. The third base 23 is arranged on the second sliding block 43, the third screw rod 52 is driven by the third motor 51 to rotate along its own axis, the third sliding block 53 is arranged on the third screw rod 52, and the third sliding block 53 can move along the length direction of the third screw rod 52 with the rotation of the third screw rod 52. The fourth base 24 is arranged on the third sliding block 53.

[0031] The fourth linear drive module comprises a fourth motor 61, a fourth screw rod 62 and a fourth sliding block 63. The fourth motor 61 is arranged on the third base 23, the fourth screw rod 62 is arranged along the length direction of the third base 23, the fourth screw rod 62 is driven by the fourth motor 61 to rotate around its own axis, the fourth sliding block 63 is arranged on the fourth screw rod 62, and the fourth sliding block 63 can move along the length direction of the fourth screw rod 62 with the rotation of the fourth screw rod 62. The fifth linear drive module comprises a fifth motor 71, a fifth screw rod 72 and a fifth sliding block 73. The fifth motor 71 is arranged on the fourth base 24, the fifth screw rod 72 is arranged along the length direction of the fourth base 24, the fifth screw rod 72 is driven by the fifth motor 71 to rotate around its own axis, the fifth sliding block 73 is arranged on the fifth screw rod 72, and the fifth sliding block 73 can move along the length direction of the fifth screw rod 72 with the rotation of the fifth screw rod 72. The two ends of the fifth base 25 are respectively connected with the fourth sliding block 63 and the fifth sliding block 73.

[0032] The sixth linear drive module comprises a sixth motor 81, a sixth screw rod 82 and a sixth sliding block 83. The sixth motor 81 is arranged on the fifth base 25, the sixth screw rod 82 is arranged along the length direction of the fifth base 25, the sixth screw rod 82 is driven by the sixth motor 81 to rotate around its own axis, the sixth sliding block 83 is arranged on the sixth screw rod 82, and the sixth sliding block 83 can move along the length direction of the sixth screw rod 82 with the rotation of the sixth screw rod 82. The plate body 26 is connected with the sixth sliding block 83.

[0033] In the production line lying machine state, the moving mechanism 2 can help the range hood to reduce the weight of the smoke baffle 12, so that the opening speed of the smoke baffle 12 is faster, and the production efficiency and speed are accelerated. When working, the fourth sliding block 63, the fifth sliding block 73, the second sliding block 43 and the third sliding block 53 start to move, so that the fourth sliding block 63 and the fifth sliding block 73 (i.e. the plate body 26) form the same angle as when the smoke baffle 12 is closed. When the smoke baffle 12 is opened by the driving mechanism 13 and the transmission mechanism 14 of the range hood 1 by a small angle, the first sliding block 33 moves, so that the plate body 26 on the sixth sliding block 83 extends into the gap between the smoke baffle 12 and the smoke collecting cover 11, supporting the smoke baffle 12.

[0034] Alternatively, the linear drive module can also be other schemes in the prior art, such as the cooperation of motor and gear rack, electric push rod, air cylinder, hydraulic cylinder, etc.

Claims

1. An auxiliary opening device of a range hood, comprising a range hood (1), wherein the range hood (1) comprises a smoke collecting hood (11) with an air inlet (111) formed thereon, and further comprises a smoke baffle (12) capable of opening or closing the air inlet (111), characterized in that: The range hood auxiliary opening device further comprises a moving mechanism (2) capable of assisting in opening the smoke baffle (12) when the range hood (1) is in a lying state, and the moving mechanism (2) is externally arranged on the outside of the range hood (1).

2. The auxiliary opening device of a range hood according to claim 1, characterized in that: The moving mechanism (2) comprises a plate body (26) capable of abutting against one side of the smoke baffle (12) facing the air inlet (111) to assist in opening the smoke baffle (12).

3. The range hood auxiliary opening device according to claim 2, characterized in that: When the range hood (1) is in a lying state, the back of the smoke collecting hood (11) of the range hood (1) is arranged downward, the air inlet (111) of the range hood (1) is arranged upward, the moving mechanism (2) comprises a first base (21), a second base (22), a third base (23), a fourth base (24) and a fifth base (25), the first base (21) is arranged extending along the left-right direction of the smoke collecting hood (11), the second base (22) is arranged extending along the height direction of the smoke collecting hood (11), the second base (22) is arranged above the first base (21) and is capable of moving along the length direction of the first base (21), the third base (23) and the fourth base (24) are both arranged on the second base (22) and are arranged along the length direction of the second base (22), the third base (23) and the fourth base (24) both extend along the front-rear direction of the smoke collecting hood (11), the third base (23) and the fourth base (24) both are capable of moving along the length direction of the second base (22), the two ends of the fifth base (25) are respectively rotationally connected with the third base (23) and the fourth base (24), the two ends of the fifth base (25) are respectively capable of moving along the length direction of the third base (23) and the fourth base (24), and the plate body (26) is arranged on the fifth base (25) and is capable of moving along the length direction of the fifth base (25).

4. The range hood auxiliary opening device according to claim 3, characterized in that: The first base (21) is provided with a first linear drive module for driving the second base (22) to move, the second base (22) is provided with a second linear drive module for driving the third base (23) and a third linear drive module for driving the fourth base (24), the third base (23) is provided with a fourth linear drive module for driving one end of the fifth base (25) to move, the fourth base (24) is provided with a fifth linear drive module for driving the other end of the fifth base (25) to move, and the fifth base (25) is provided with a sixth linear drive module for driving the plate body (26) to move.

5. The auxiliary opening device of a range hood according to claim 4, characterized in that: The first linear drive module comprises a first motor (31), a first screw rod (32) and a first sliding block (33), the first motor (31) and the first screw rod (32) are arranged on the first base (21), the first screw rod (32) is arranged along the length direction of the first base (21), the first screw rod (32) is driven by the first motor (31) to rotate along its own axis, the first sliding block (33) is arranged on the first screw rod (32), the first sliding block (33) can move along the length direction of the first screw rod (32) with the rotation of the first screw rod (32), and the second base (22) is arranged on the first sliding block (33).

6. The auxiliary opening device of a range hood according to claim 5, characterized in that: The second linear drive module comprises a second motor (41), a second screw rod (42) and a second sliding block (43), and the third linear drive module comprises a third motor (51), a third screw rod (52) and a third sliding block (53), the second motor (41) and the third motor (51) are arranged at two ends of the second base (22) respectively, the second screw rod (42) and the third screw rod (52) are arranged and extended along the length direction of the second base (22), the second screw rod (42) is driven by the second motor (41) to rotate along its own axis, the second sliding block (43) is arranged on the second screw rod (42), the second sliding block (43) can move along the length direction of the second screw rod (42) with the rotation of the second screw rod (42), the third base (23) is arranged on the second sliding block (43), the third screw rod (52) is driven by the third motor (51) to rotate along its own axis, the third sliding block (53) is arranged on the third screw rod (52), the third sliding block (53) can move along the length direction of the third screw rod (52) with the rotation of the third screw rod (52), and the fourth base (24) is arranged on the third sliding block (53).

7. The auxiliary opening device of a range hood according to claim 6, characterized in that: The fourth linear drive module comprises a fourth motor (61), a fourth screw rod (62) and a fourth sliding block (63), the fourth motor (61) is arranged on the third base (23), the fourth screw rod (62) is arranged along the length direction of the third base (23), the fourth screw rod (62) is driven by the fourth motor (61) to rotate around its own axis, the fourth sliding block (63) is arranged on the fourth screw rod (62), the fourth sliding block (63) can move along the length direction of the fourth screw rod (62) when the fourth screw rod (62) rotates, the fifth linear drive module comprises a fifth motor (71), a fifth screw rod (72) and a fifth sliding block (73), the fifth motor (71) is arranged on the fourth base (24), the fifth screw rod (72) is arranged along the length direction of the fourth base (24), the fifth screw rod (72) is driven by the fifth motor (71) to rotate around its own axis, the fifth sliding block (73) is arranged on the fifth screw rod (72), the fifth sliding block (73) can move along the length direction of the fifth screw rod (72) when the fifth screw rod (72) rotates, and the two ends of the fifth base (25) are rotationally connected with the fourth sliding block (63) and the fifth sliding block (73) respectively.

8. The auxiliary opening device of a range hood according to claim 7, characterized in that: The sixth linear drive module comprises a sixth motor (81), a sixth screw rod (82) and a sixth sliding block (83), the sixth motor (81) is arranged on the fifth base (25), the sixth screw rod (82) is arranged along the length direction of the fifth base (25), the sixth screw rod (82) is driven by the sixth motor (81) to rotate around its own axis, the sixth sliding block (83) is arranged on the sixth screw rod (82), the sixth sliding block (83) can move along the length direction of the sixth screw rod (82) when the sixth screw rod (82) rotates, and the plate body (26) is connected with the sixth sliding block (83).

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