Driving mechanism and integrated range hood provided with same

Abstract

According to the driving mechanism and the integrated range hood provided with the driving mechanism, a lead screw of the driving mechanism is transversely and horizontally arranged, the first end of the lead screw is connected to an output shaft of a driving motor, and a nut is installed at the second end of the lead screw; the fixing base is arranged at the first end of the lead screw. The two first connecting rods are arranged above the lead screw in parallel, the lower ends of the two first connecting rods are hinged to the nut and the fixing base respectively, the upper ends of the two first connecting rods are hinged to the upper connecting piece, the upper connecting piece is fixedly connected to the upper box body, the two second connecting rods are arranged below the lead screw, and the upper ends of the second connecting rods are hinged to the nut and the fixing base respectively. The lower ends of the second connecting rods are hinged to lower connecting pieces, the lower connecting pieces are fixedly connected to the lower box body, and the lower box body and the cooking module are driven by the driving mechanism to do lifting motion relative to the upper box body. The motor of the driving mechanism drives the lead screw nut mechanism to move to drive the four-side cross connecting rod mechanism to realize lifting motion, so that a force action line does not deviate in the whole motion process, and the upper box body and the lower box body are allowed to have relatively large assembly deviation.

Description

TECHNICAL FIELD

[0001] The utility model relates to a range hood, especially to a driving mechanism and an integrated range hood provided with the driving mechanism. BACKGROUND

[0002] The range hood has become one of the indispensable kitchen household electrical appliances in modern families. The current range hood is a single product, which is mainly used for discharging oil fume during cooking. Cooking equipment, such as a micro-steam oven, is another type of kitchen appliance, which is mainly used for heating, baking and steaming food. The kitchen area of a small household is limited, and cannot accommodate multiple cooking equipment and range hoods at the same time. Therefore, people have invented a range hood integrated with a cooking module. The integrated range hood comprises an upper box body and a lower box body, the cooking module is integrated on the lower box body, and a driving mechanism is installed between the upper box body and the lower box body. The driving mechanism drives the lower box body to move up and down relative to the upper box body. Since the space between the upper box body and the lower box body is relatively effective, and the cooking module has a large volume and weight, the installation position and structure of the driving mechanism have high requirements. If the installation position and the structure of the driving mechanism are not reasonable, the lower box body is easy to deviate during the lifting process, and the upper and lower box bodies are not allowed to have a large assembly deviation. In addition, the existing traditional driving mechanism has a complex structure and occupies a large volume, which is not suitable for being installed in a narrow space between the upper box body and the lower box body. SUMMARY

[0003] The first technical problem to be solved by the utility model is to provide a driving mechanism with simple structure and stable lifting in view of the above-mentioned prior art.

[0004] The second technical problem to be solved by the utility model is to provide an integrated range hood provided with the above-mentioned driving mechanism in view of the above-mentioned prior art.

[0005] The technical scheme adopted by the utility model to solve the above-mentioned first technical problem is as follows: a driving mechanism, characterized by comprising:

[0006] a driving motor;

[0007] a screw rod, which is horizontally arranged transversely, the first end of the screw rod being connected to the output shaft of the driving motor,

[0008] a nut, which is installed at the second end of the screw rod;

[0009] a fixed seat, which is arranged at the first end of the screw rod;

[0010] two first connecting rods, which are arranged above the screw rod, the lower ends of the two first connecting rods being hingedly connected to the nut and the fixed seat, respectively;

[0011] Second connecting rods, two, and arranged below the screw rod, the upper end of the two second connecting rods are hingedly connected to the nut and the fixed seat respectively;

[0012] Upper connecting pieces, the upper end of the two first connecting rods are hingedly connected to the upper connecting pieces;

[0013] Lower connecting pieces, the lower end of the two second connecting rods are hingedly connected to the lower connecting pieces.

[0014] Preferably, the fixed seat is fixed with the driving motor, the fixed seat has a bearing inside, and the first end of the screw rod is installed on the output shaft of the driving motor after passing through the bearing. In this way, under the driving of the driving motor, the fixed seat does not move axially relative to the screw rod, and the nut moves axially relative to the screw rod.

[0015] In order to make the upper connecting piece and the lower connecting piece move more smoothly, the first connecting rod and the second connecting rod are equal in length and symmetrically distributed relative to the screw rod.

[0016] The utility model discloses a kind of integrated range hood, including upper box and lower box, fan frame is installed in the upper box, lower box is integrated with cooking module, it is characterized by: installation space is formed between the fan frame and lower box, the driving mechanism is installed in the installation space, the upper connecting piece of the driving mechanism is fixed in the bottom of fan frame, the lower connecting piece is fixed in the top of lower box, the lower box and cooking module are driven under the driving of driving mechanism relative to upper box and make lifting motion.

[0017] In order to make the upper connecting piece be connected and fixed on the fan frame, fan frame bottom plate is installed on the front side of the bottom of fan frame, and the upper connecting piece is connected and fixed on the fan frame bottom plate.

[0018] In order to avoid that the driving mechanism interferes with the airflow of air inlet channel, air inlet channel is arranged between the rear wall of the cooking module and the back plate of the lower box, and the driving mechanism is arranged on the front side of the air inlet channel and above the cooking module.

[0019] In order to make the airflow of air inlet channel flowing upwards directly enter the inside of fan frame, ventilation opening is formed between the fan frame bottom plate and the fan frame rear plate, and the ventilation opening is arranged directly above the outlet of air inlet channel.

[0020] In order to make the oil fume sucked by air inlet channel enter the range hood, the inside of the fan frame is installed with the range hood, and the air inlet channel is communicated with the air inlet of the range hood through the ventilation opening.

[0021] In order to connect the fan frame and the lower box together, the left side vertical plate and the right side vertical plate are fixed on the top of the lower box, the back side vertical plate is fixed above the back plate of the lower box, and the fan frame bottom plate, the left side vertical plate, the right side vertical plate and the back side vertical plate enclose the mounting space.

[0022] In order to make the lower box move more stably, the left side vertical plate, the right side vertical plate and the back side vertical plate are lifted and lowered relative to the fan frame through the guide mechanism.

[0023] Compared with the prior art, the driving mechanism is provided with a screw nut ejection mechanism at the left and right hinge ends of the four-edge cross connecting rod, one end of the screw nut ejection mechanism is provided with a driving motor, the upper and lower ends of the screw nut ejection mechanism are provided with connecting pieces connected with the upper box and the lower box, the motor drives the screw nut ejection mechanism to move, drives the four-edge cross connecting rod mechanism to realize lifting movement, the force action line can not be deviated in the whole movement process, and the upper box and the lower box can have a large assembly deviation through the appropriate connecting points. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a structure schematic view of the driving mechanism of the embodiment of the utility model;

[0025] Figure 2 It is a structure schematic view of another state of the driving mechanism of the embodiment of the utility model;

[0026] Figure 3 It is a structure schematic view of the extractor hood (integrated module lifting state) of the embodiment of the utility model;

[0027] Figure 4 It is a structure schematic view of the extractor hood (integrated module lowering state) of the embodiment of the utility model;

[0028] Figure 5 It is Figure 4 It is another angle structure schematic view of the extractor hood (remove the decorative cover) shown in the figure;

[0029] Figure 6 It is Figure 4 It is a structure sectional view of the extractor hood shown in the figure. DETAILED DESCRIPTION

[0030] The utility model will be further described in detail in combination with the embodiment of the accompanying drawings.

[0031] As Figure 1 And Figure 2As shown, the driving mechanism 10 of the embodiment comprises a driving motor 101, a screw rod 102, a nut 103, a fixed seat 104, a first connecting rod 105, a second connecting rod 106, an upper connecting piece 107, and a lower connecting piece 108. The screw rod 102 is horizontally arranged, the first end of the screw rod 102 is connected to the output shaft of the driving motor 101, and the nut 103 is installed at the second end of the screw rod 102. The fixed seat 104 is fixed to the driving motor 101 and arranged at the first end of the screw rod 102. The fixed seat 104 has a bearing (not shown in the figure) inside, and the first end of the screw rod 102 passes through the bearing and is installed on the output shaft of the driving motor 101. The first connecting rod 105 has two rods arranged above the screw rod 102. The lower ends of the two first connecting rods 105 are respectively hinged to the nut 103 and the fixed seat 104, and the upper ends of the two first connecting rods 105 are hinged to the upper connecting piece 107. The second connecting rod 106 has two rods arranged below the screw rod 102. The upper ends of the two second connecting rods 106 are respectively hinged to the nut 103 and the fixed seat 104, and the lower ends of the two second connecting rods 106 are hinged to the lower connecting piece 108. In addition, the first connecting rod 105 and the second connecting rod 106 have equal lengths and are symmetrically distributed relative to the screw rod 102. Under the driving of the driving motor 101, the nut 103 moves axially along the screw rod 102, thereby driving the first connecting rod 105 and the second connecting rod 106 to rotate synchronously, and finally realizing the synchronous lifting movement of the upper connecting piece 107 and the lower connecting piece 108.

[0032] As shown, Figures 3 to 6 The integrated range hood of the embodiment comprises an upper cabinet 1 and a lower cabinet 2. The fan frame 3 is installed inside the upper cabinet 1, the cooking module 4 is integrated on the lower cabinet 2, and the installation space 5 is formed between the fan frame 3 and the lower cabinet 2. The driving mechanism 10 is installed in the installation space 5, the upper connecting piece 107 of the driving mechanism 10 is fixed to the bottom of the fan frame 3, and the lower connecting piece 108 is fixed to the top of the lower cabinet 2. Under the driving of the driving motor 101, the synchronous lifting movement of the upper connecting piece 107 and the lower connecting piece 108 drives the lower cabinet 2 and the cooking module 4 to move up and down relative to the upper cabinet 1. The left side plate 11 and the right side plate 12 are fixed to the top of the lower cabinet 2, the back side plate 13 is fixed above the back plate of the lower cabinet 2, and the fan frame bottom plate 31, the left side plate 11, the right side plate, and the back side plate 13 enclose the installation space 5. The left side plate 11, the right side plate 12, and the back side plate 13 move up and down relative to the fan frame 3 through the guide mechanism 14. The guide mechanism 14 can be a guide rail or a sliding groove.

[0033] In the embodiment, the rear side wall of the cooking module 4 and the back plate of the lower cabinet 2 are provided with an air inlet channel 7, the driving mechanism 10 is arranged in front of the air inlet channel 7 and above the cooking module 4, so as to avoid the interference of the driving mechanism 10 on the airflow in the air inlet channel 7.

[0034] The front side of the bottom of the fan frame 3 is provided with a fan frame bottom plate 31, and the upper connecting piece 107 is fixedly connected on the fan frame bottom plate 31; the fan frame bottom plate 31 and a fan frame back plate 32 form an air vent 8, and the air vent 8 is arranged directly above the outlet of the air inlet channel 7; and an oil fume suction fan 9 is arranged in the fan frame 3, and the air inlet channel 7 is communicated with the air inlet of the oil fume suction fan 9 through the air vent 8; when the oil fume suction machine works, the oil fume sucked into the air inlet channel 7 enters the oil fume suction fan 9 through the air vent 8, and is finally discharged to the outside of the oil fume suction machine.

[0035] In the description and claims of the present application, terms are used to describe various example structures, components, and elements as used by one of ordinary skill in the art are used to describe various example structures, components, and elements. Although these terms are commonly used by those skilled in the art, these terms are not intended to be limited to a specific inventive embodiment. It is intended that the embodiments disclosed in this specification encompass all technologies that might fall within the scope of these terms, as well as the inventive embodiments themselves.

Claims

1. A drive mechanism characterized by The utility model relates to a drive mechanism for an integrated range hood, comprising: a drive motor (101); a screw rod (102) horizontally arranged, the first end of the screw rod (102) being connected to the output shaft of the drive motor (101), a nut (103) mounted on the second end of the screw rod (102); a fixed seat (104) arranged at the first end of the screw rod (102); two first connecting rods (105) arranged above the screw rod (102), the lower ends of the two first connecting rods (105) being respectively hingedly connected to the nut (103) and the fixed seat (104); two second connecting rods (106) arranged below the screw rod (102), the upper ends of the two second connecting rods (106) being respectively hingedly connected to the nut (103) and the fixed seat (104); an upper connecting member (107) to which the upper ends of the two first connecting rods (105) are hingedly connected; a lower connecting member (108) to which the lower ends of the two second connecting rods (106) are hingedly connected.

2. The drive mechanism of claim 1, wherein: The fixed seat (104) is fixed to the drive motor (101), and the fixed seat (104) has a bearing inside, the first end of the screw rod (102) passing through the bearing and being mounted on the output shaft of the drive motor (101).

3. The drive mechanism of claim 1, wherein: The first connecting rods (105) and the second connecting rods (106) are equal in length and symmetrically arranged relative to the screw rod (102).

4. An integrated range hood, comprising an upper cabinet (1) and a lower cabinet (2), a fan frame (3) is installed inside the upper cabinet (1), and a cooking module (4) is integrated on the lower cabinet (2), characterized in that: An installation space (5) is formed between the fan frame (3) and the lower cabinet (2), and the drive mechanism according to any one of claims 1 to 3 is installed in the installation space (5), the upper connecting member (107) of the drive mechanism being fixed to the bottom of the fan frame (3), the lower connecting member (108) being fixed to the top of the lower cabinet (2), and the lower cabinet (2) and the cooking module (4) being driven by the drive mechanism to move up and down relative to the upper cabinet (1).

5. The integrated range hood according to claim 4, wherein: A fan frame bottom plate (31) is mounted on the front side of the bottom of the fan frame (3), and the upper connecting member (107) is fixedly connected to the fan frame bottom plate (31).

6. The integrated range hood according to claim 5, wherein: An air inlet channel (7) is arranged between the rear wall of the cooking module (4) and the back plate of the lower cabinet (2), and the drive mechanism is arranged on the front side of the air inlet channel (7) and above the cooking module (4).

7. The integrated range hood according to claim 6, wherein a ventilation opening (8) is formed between the fan frame bottom plate (31) and a fan frame rear plate (32), and the ventilation opening (8) is arranged directly above the outlet of the air inlet channel (7).

8. The integrated range hood according to claim 7, characterized in that: An oil fume extractor fan (9) is installed inside the fan frame (3), and the air inlet channel (7) is in communication with the air inlet of the oil fume extractor fan (9) through the ventilation opening (8).

9. The integrated range hood according to claim 4, wherein: A left side vertical plate (11) and a right side vertical plate (12) are fixed to the top of the lower cabinet (2), and a back side vertical plate (13) is fixed above the back plate of the lower cabinet (2), and the fan frame bottom plate (31), the left side vertical plate (11), the right side vertical plate (12), and the back side vertical plate (13) enclose the installation space (5).

10. The integrated range hood according to claim 9, characterized in that: The left side vertical plate (11), the right side vertical plate (12), and the back side vertical plate (13) move up and down relative to the fan frame (3) through a guide mechanism (14).

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