Lifting device and range hood

Abstract

The lifting device comprises a driver, a transmission mechanism, a transmission rod assembly and a lifting main body, the driver is in driving connection with the transmission mechanism, the transmission mechanism is in transmission connection with the transmission rod assembly, the lifting main body is installed on the transmission rod assembly, and the driver drives the lifting main body to lift up and down through the transmission mechanism and the transmission rod assembly in sequence. According to the utility model, the lifting device is arranged in the smoke box and comprises the driver, the transmission mechanism, the transmission rod assembly and the smoke collecting hood, and the driver drives the smoke collecting hood to lift up and down on the smoke box through the transmission mechanism and the transmission rod assembly in sequence; therefore, the height of the exhaust fume collecting hood can be properly adjusted according to the size of oil fume, the height of a user and the cooking space of a cooking bench, the sufficient cooking space can be considered while the exhaust fume discharging effect is guaranteed, the head of a cooking person can be prevented from colliding with the exhaust fume collecting hood, and the experience of the cooking person is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of range hoods, in particular to a lifting device and a range hood. Background Art

[0002] The range hood is generally fixedly installed on the wall and is located above the stove. The range hood is provided with a smoke collecting hood, and the smoke collecting hood is provided with an air inlet. The distance between the air inlet and the stove is fixed. If the range hood is installed too high, the suction force will become smaller, making the smoke exhaust effect of the range hood poor. If the range hood is installed too low, the cook may easily hit his head, and the cook may not get enough cooking space, causing inconvenience in cooking.

[0003] Therefore, it is necessary to further improve the existing range hood. Utility Model Content

[0004] The purpose of the utility model is to provide a lifting device and a range hood with simple structure, good smoke exhaust effect, convenient use, good user experience and strong practicality, so as to overcome the shortcomings of the prior art.

[0005] A lifting device designed for this purpose includes a driver, a transmission mechanism, a transmission rod assembly and a lifting body. The driver drives and connects to the transmission mechanism, the transmission mechanism drives and connects to the transmission rod assembly, the lifting body is installed on the transmission rod assembly, and the driver drives the lifting body up and down through the transmission mechanism and the transmission rod assembly in turn.

[0006] The transmission rod assemblies are respectively arranged at both ends of the transmission mechanism. The transmission mechanism includes a transmission shaft and a commutator. The driver drives and connects the transmission shaft. The commutator is respectively installed at both ends of the transmission shaft. The transmission rod assembly is connected to the commutator.

[0007] The transmission rod assembly includes a transmission rod and a movable connecting piece. The transmission rod is connected to the commutator. The movable connecting piece is movably installed on the transmission rod up and down. The lifting body is installed on the movable connecting piece. When the movable connecting piece moves up and down, it drives the lifting body to move up and down.

[0008] The movable connecting piece is provided with a sleeve hole, and the movable connecting piece is sleeved on the transmission rod through the sleeve hole. The transmission rod is a screw rod, and the sleeve hole is provided with a threaded part matched with the screw rod.

[0009] The movable connecting piece is provided with a first fixing hole, the lifting body is provided with a second fixing hole, and a fastener passes through the second fixing hole and is fastened to the first fixing hole, so that the lifting body is installed on the movable connecting piece.

[0010] The driver is the motor assembly.

[0011] A range hood designed for this purpose includes a smoke box, characterized in that it also includes the lifting device, the lifting body is a smoke collecting hood, the lifting device is arranged in the smoke box, and the driver drives the lifting body up and down on the smoke box through the transmission mechanism and the transmission rod assembly in turn.

[0012] A slide rail is arranged in the smoke box, a slider is arranged on the lifting body, and the lifting body is arranged on the smoke box by sliding up and down through the cooperation of the slider and the slide rail.

[0013] An opening is arranged at the bottom of the smoke box. When the lifting body descends, it extends out of the smoke box through the opening, and when the lifting body ascends, it retracts into the smoke box through the opening.

[0014] The lifting device also includes a fixed bracket, which is fixed in the smoke box, and a driver and a transmission mechanism are installed on the fixed bracket.

[0015] The utility model arranges a lifting device in the smoke box, the lifting device includes a driver, a transmission mechanism, a transmission rod assembly and a smoke collecting hood, and the driver drives the smoke collecting hood to rise and fall on the smoke box through the transmission mechanism and the transmission rod assembly in turn. Therefore, the height of the smoke collecting hood can be properly adjusted according to the size of the oil smoke, the height of the user and the cooking space of the stove. While ensuring the smoke exhaust effect, it can also take into account sufficient cooking space and prevent the cook's head from hitting the smoke collecting hood, thereby greatly improving the cook's experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a front view of the range hood in the first embodiment of the utility model.

[0017] Figure 2 It is a perspective view of the range hood in the first embodiment of the utility model.

[0018] Figure 3 It is a schematic diagram of the exploded structure of the lifting device in the first embodiment of the utility model.

[0019] Figure 4 It is a schematic diagram of the overall structure of the movable connecting member in the first embodiment of the utility model.

[0020] Figure 5 It is a schematic diagram of the overall structure of another aspect of the movable connecting member in the first embodiment of the utility model. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0022] See also Figure 1-Figure 5The lifting device includes a driver 6, a transmission mechanism, a transmission rod assembly 5 and a lifting body 2. The driver 6 drives the transmission mechanism, the transmission mechanism drives the transmission rod assembly 5, and the lifting body 2 is installed on the transmission rod assembly 5. The driver 6 drives the lifting body 2 up and down through the transmission mechanism and the transmission rod assembly 5 in turn.

[0023] The transmission rod assembly 5 is respectively arranged at both ends of the transmission mechanism. The transmission mechanism includes a transmission shaft 3 and a commutator 4. The driver 6 drives and connects the transmission shaft 3. The commutator 4 is respectively installed at both ends of the transmission shaft 3. The transmission rod assembly 5 is connected to the commutator 4.

[0024] The transmission rod assembly 5 includes a transmission rod 7 and a movable connecting piece 8. The transmission rod 7 is connected to the commutator 4. The movable connecting piece 8 is movably installed on the transmission rod 7. The lifting body 2 is installed on the movable connecting piece 8. When the movable connecting piece 8 moves up and down, it drives the lifting body 2 to move up and down.

[0025] A socket hole 9 is provided on the movable connecting piece 8, and the movable connecting piece 8 is socketed on the transmission rod 7 through the socket hole 9. The transmission rod 7 is a screw rod, and a threaded portion cooperating with the screw rod is provided on the socket hole 9; the threaded portion is distributed on part of the hole wall of the socket hole 9; when the lifting device a is working, the driver 6 drives the transmission shaft 3 to rotate, and the transmission shaft 3 drives the transmission rod 7 to rotate through the commutator 4, so that the movable connecting piece 8 moves up and down, thereby driving the lifting body 2 to move up and down.

[0026] A first fixing hole 10 is provided on the movable connecting member 8, and a second fixing hole is provided on the lifting body 2. A fastener (screw) passes through the second fixing hole and is fastened to the first fixing hole 10 so that the lifting body 2 is installed on the movable connecting member 8; the movable connecting member 8 is located on both sides of the lifting body 2.

[0027] The movable connecting piece 8 is provided with a positioning column 14 , and the lifting body 2 is provided with a positioning hole. The positioning column 14 is inserted into the positioning hole to facilitate the installation of the lifting body 2 on the movable connecting piece 8 .

[0028] The driver 6 is a motor assembly, which includes a motor and a reducer. The motor drive is connected to the reducer, and the reducer is connected to the transmission shaft 3.

[0029] The range hood comprises a smoke box 1 and a lifting device a. The smoke box 1 is fixed on a wall. The lifting body 2 is a smoke hood. The lifting device a is arranged in the smoke box 1. The driver 6 drives the lifting body 2 to move up and down on the smoke box 1 through a transmission mechanism and a transmission rod assembly 5 in turn to adjust the height of the smoke hood 2.

[0030] A slide rail 11 is arranged in the cigarette box 1 , and a slider is arranged on the lifting body 2 . The lifting body 2 is slidably arranged on the cigarette box 1 by the cooperation of the slider and the slide rail 11 .

[0031] An opening 12 is provided at the bottom of the smoke box 1. When the lifting body 2 descends, it extends out of the smoke box 1 through the opening 12, and when the lifting body 2 rises, it retracts into the smoke box 1 through the opening 12; when the range hood is not in use, the smoke hood can be retracted into the smoke box 1 for storage to reduce the space it occupies.

[0032] The lifting device a further comprises a fixed bracket 13 , which is fixed in the smoke box 1 , and the driver 6 and the transmission mechanism (commutator 4 ) are mounted on the fixed bracket 13 .

[0033] A control panel is arranged at the front side of the smoke box 1 , and a control circuit board is arranged inside the smoke box 1 . The control circuit board is electrically connected to the control panel and the driver 6 , respectively, and the lifting and lowering of the smoke collecting hood is controlled by the control panel.

[0034] Alternatively, the lifting device a includes a driver 6, a transmission shaft 3, a driving wheel, a transmission belt and a driven wheel, the driver 6 drives the transmission shaft 3, the driving wheels are respectively installed at both ends of the transmission shaft 3, the transmission belt is installed between the driving wheel and the driven wheel, the driven wheel is rotatably installed on the fixed bracket 13, and the lifting body 2 is clamped and fixed on the transmission belt by a clamping block; when the lifting device a is working, the driver 6 drives the transmission shaft 3 to rotate, the transmission shaft 3 drives the driving wheel to rotate, the driving wheel and the driven wheel cooperate with each other to drive the transmission belt to move, and when the transmission belt moves, it drives the lifting body 2 to move up and down on the cigarette box 1.

[0035] Alternatively, the lifting device a includes a driver 6, a transmission shaft 3 and a chain sprocket assembly. Alternatively, the lifting device a includes a driver 6, a transmission shaft 3 and a gear rack assembly. The above structures are not described in detail.

[0036] The above is a preferred embodiment of the utility model, which shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. The utility model may have various changes and improvements without departing from the spirit and scope of the utility model, and these changes and improvements fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A lifting device, characterized in that: The device comprises a driver (6), a transmission mechanism, a transmission rod assembly (5) and a lifting body (2), wherein the driver (6) is connected to the transmission mechanism through driving, the transmission mechanism is connected to the transmission rod assembly (5 through driving, the lifting body (2) is mounted on the transmission rod assembly (5), and the driver (6) drives the lifting body (2) to move up and down through the transmission mechanism and the transmission rod assembly (5) in sequence; The transmission rod assemblies (5) are respectively arranged at two ends of the transmission mechanism, the transmission mechanism comprises a transmission shaft (3) and a commutator (4), the driver (6) drives and connects the transmission shaft (3), the commutator (4) is respectively installed at two ends of the transmission shaft (3), and the transmission rod assembly (5) is connected to the commutator (4); The transmission rod assembly (5) comprises a transmission rod (7) and a movable connecting piece (8), the transmission rod (7) is connected to the commutator (4), the movable connecting piece (8) is mounted on the transmission rod (7) and is movable up and down, the lifting body (2) is mounted on the movable connecting piece (8), and when the movable connecting piece (8) moves up and down, it drives the lifting body (2) to move up and down; The movable connecting piece (8) is provided with a sleeve hole (9), and the movable connecting piece (8) is sleeved on the transmission rod (7) through the sleeve hole (9); the transmission rod (7) is a screw rod, and the sleeve hole (9) is provided with a threaded portion that cooperates with the screw rod.

2. The lifting device according to claim 1, characterized in that: The movable connecting member (8) is provided with a first fixing hole (10), the lifting body (2) is provided with a second fixing hole, and a fastener passes through the second fixing hole and is fastened to the first fixing hole (10), so that the lifting body (2) is mounted on the movable connecting member (8).

3. The lifting device according to claim 1, characterized in that: The driver (6) is a motor assembly.

4. A range hood, comprising a smoke box (1), characterized in that: It also includes a lifting device (a) as described in any one of claims 1 to 3, the lifting body (2) is a smoke collecting hood, the lifting device (a) is arranged in the smoke box (1), and the driver (6) drives the lifting body (2) to move up and down on the smoke box (1) through the transmission mechanism and the transmission rod assembly (5) in sequence.

5. The range hood according to claim 4, characterized in that: A slide rail (11) is arranged in the smoke box (1), a slider is arranged on the lifting body (2), and the lifting body (2) is slid up and down on the smoke box (1) by the cooperation of the slider and the slide rail (11).

6. The range hood according to claim 4, characterized in that: An opening (12) is provided at the bottom of the smoke box (1). When the lifting body (2) descends, it extends out of the smoke box (1) through the opening (12), and when the lifting body (2) ascends, it retracts into the smoke box (1) through the opening (12).

7. The range hood according to claim 4, characterized in that: The lifting device (a) further comprises a fixed bracket (13), the fixed bracket (13) being fixed in the smoke box (1), and the driver (6) and the transmission mechanism being mounted on the fixed bracket (13).

Images