CN110375352B - Range hood mounting structure and control method of range hood applied to same - Google Patents

Abstract

The invention discloses a range hood mounting structure, which comprises a range hood and a slide fastener connected with an external mounting base, and is characterized in that: the range hood is provided with a sliding groove extending in the longitudinal direction, and the mounting structure further comprises a moving mechanism for driving the sliding buckle to move along the sliding groove. The control method of the storage maintenance mode of the range hood applied to the mounting structure and the self-adaptive adjustment method of the mounting clearance of the range hood applied to the mounting structure are also disclosed.

Description

Range hood mounting structure and control method of range hood applied to same

Technical Field

The invention relates to an oil fume purification device, in particular to a range hood mounting structure and a control method of a range hood applied to the mounting structure.

Background

In a traditional range hood, a hole is generally formed in the back of a box body, when the range hood is installed, a hook is fixed on a wall through an expansion screw, then the range hood is lifted, and the hole in the back of the range hood is hung on the hook; or the lower end of the back of the box body is provided with a hole, the upper side of the box body is provided with a connecting column, when the box body is installed, the hook and the clamping groove are fixed on the wall, then the range hood is lifted, the lower end of the range hood is fixed, and then the connecting column is connected with the clamping groove in a rotating mode (the application numbers are 201820564837.2 and 201520515794.5); or a plurality of fixed holes are arranged on the hook and the cigarette machine to realize the gap control (as disclosed in the application number CN 201320010304.7).

The above prior art has the following problems: 1. the gap between the top of the box body and the cabinet cannot be eliminated, so that the box body is difficult to clean and the appearance is influenced; 2. the prior art has higher requirement on the positioning of the hook and the clamping groove; 3. to the lampblack absorber that the panel assembly is higher than the box body assembly, the cabinet door can not be opened after installation, storage, tobacco pipe installation, maintenance and the like are not convenient.

For this reason, there are also some solutions that can adjust the gap. Disclosed as the chinese patent with application number 201810115090.7 is a range hood with fine adjustment function of mounting height, it includes that range hood body lampblack absorber body hangs the knot installation through elevating gear and wall, elevating gear includes guide rail plate and lifter plate, on the lifter plate, the slidingtype is installed in the guide slot of guide rail plate, be provided with fixed platform on the guide rail plate, be provided with movable platform on the lifter plate, movable platform and fixed platform are upper and lower lamination installation, be provided with fine adjustment mechanism between movable platform and the fixed platform, fine adjustment mechanism adjusts the relative position between movable platform and the fixed platform. The structure adjusts the gap by adjusting the relative distance between the guide rail plate and the lifting plate through the bolt, and has the following problems: 1. the bolt is stressed, and the range hood works for a long time (due to vibration and the like), so that the reliability of the range hood is poor; 2. the adjustment stroke is limited, and the problem that the range hood cannot be installed due to the fact that the cabinet is manufactured firstly still exists; 3. the judgment is carried out by people, and the gap is possibly increased along with the increase of time; 4. the air outlet cover may interfere with the installation, which is inconvenient.

Still as the chinese patent that application number is 201721922212.0 discloses the utility model relates to a range hood's mounting structure, including the mount pad, the casing, the torque arm, a slide rail, slider and locating part, the first edge of torque arm articulates on the mount pad, and the second edge of torque arm extends to casing lateral wall direction, and the vertical spacing portion of locating on the casing lateral wall and having interval arrangement about the slide rail, the slider can be located on the slide rail with reciprocating and be connected with the second edge of torque arm, thereby the locating part can cooperate with the spacing portion of slide rail and fix a position the slider position on the slide rail. This kind of structure, the mount pad passes through the torque arm and slide rail etc. links to each other with the casing, and adjustment mechanism installs in the fan frame promptly, has following problem: 1. in actual use (during adjustment), the fan frame is integrally arranged inside the cabinet, and the installation and adjustment are inconvenient due to limited space; 2. the adjustment stroke is limited, and the problem that the range hood cannot be installed due to the fact that the cabinet is manufactured firstly still exists; 3. the judgment is carried out by people, and the gap is possibly increased along with the increase of time; 4. the mechanism is exposed, the appearance is not delicate, and the reliability is poor.

Moreover, the prior art needs assistance of multiple persons and manual operation during adjustment. Therefore, further improvements are desired.

Disclosure of Invention

The first technical problem to be solved by the invention is to provide a range hood mounting structure aiming at the problems in the prior art, which can effectively control the gap between the top of a box body and a cabinet and is beneficial to beauty and cleaning.

The second technical problem to be solved by the invention is to provide a self-adaptive adjusting method for the mounting clearance of the range hood applied to the mounting structure.

The technical scheme adopted by the invention for solving the first technical problem is as follows: the utility model provides a range hood mounting structure, includes range hood and is used for the smooth knot of being connected with outside installation basis, its characterized in that: the range hood is provided with a sliding groove extending in the longitudinal direction, and the mounting structure further comprises a moving mechanism for driving the sliding buckle to move along the sliding groove.

For the movement clearance of filling the thread slipping, hide the motion, still be provided with flexible curtain in the spout, flexible curtain is connected between the border of thread slipping and spout.

In order to facilitate the adjustment of the gaps on the two sides respectively, the movement mechanism comprises a driving mechanism and a transmission mechanism which transmits the force of the driving mechanism to the slide fastener, the driving mechanism, the transmission mechanism and the slide block are respectively two and are arranged on the left side and the right side in a back plate on the rear side of the shell of the range hood, and the sliding grooves are formed in the back plate.

In order to facilitate the driving of the slider to move on a given path, each transmission mechanism comprises a slide rail which is driven by the driving mechanism and can move in the longitudinal direction and a guide rail which is fixed on the range hood, and the slide rail is in sliding fit with the guide rail.

In order to drive the sliding rail to move, the transmission mechanism further comprises a screw rod, a sliding block and a transmission connecting rod, the screw rod is driven by the driving mechanism to rotate, the screw rod extends longitudinally, the sliding block is arranged on the screw rod and connected with the screw rod in a threaded mode, one end of the transmission connecting rod is connected with the sliding block, and the other end of the transmission connecting rod is connected with the sliding rail.

In order to facilitate the arrangement of the screw rod, a first support and a second support are fixedly arranged on the range hood, the first support is positioned above the second support, the upper end of the screw rod is rotatably connected with the first support through a first bearing, and the lower end of the screw rod is rotatably connected with the second support through a second bearing.

In order to automatically control the movement mechanism conveniently, the range hood comprises a shell and a box body arranged above the shell, and a distance measuring sensor used for measuring a gap between the top of the shell and a cabinet mounted on the top of the shell is arranged at the top of the shell.

In order to facilitate the motion mechanisms on the two sides to realize synchronous or asynchronous operation, the distance measuring sensors are provided with two distance measuring sensors which are respectively arranged on the left side and the right side of the shell.

The technical scheme adopted by the invention for solving the second technical problem is as follows: a self-adaptive adjusting method for the installation clearance of the range hood applied to the range hood installation structure is characterized in that: the method comprises the following steps:

1) starting, switching to a mounting clearance adjusting mode;

2) determining a permitted gap value t0 between the top of the shell of the range hood and the cabinet, and pre-installing;

3) observing and measuring the current gap value: measuring a current left gap t1 and a current right gap t2 through distance measuring sensors on two sides respectively;

4) judging whether the left side needs to be adjusted: judging whether t1 is larger than t0, if yes, entering step 5), and if not, entering step 6);

5) judging whether t2 is larger than t0, if yes, entering step 5.1), and if not, entering step 5.2);

5.1) controlling the motion mechanisms at the two sides to enable the left side and the right side of the range hood to move upwards for a certain distance, and returning to the step 4);

5.2) controlling the motion mechanism on the left side to move the left side of the range hood upwards for a certain distance, and returning to the step 4);

6) judging whether t2 is larger than t0, if yes, entering step 6.1), and if not, entering step 7);

6.1) controlling a motion mechanism on the right side to move the right side of the range hood upwards for a certain distance, and returning to the step 4);

7) judging whether the current gap value is acceptable, if so, finishing the gap adjustment; if not, go back to step 2).

Compared with the prior art, the invention has the advantages that: the sliding buckle capable of moving in the longitudinal direction is arranged, so that the whole range hood can be lifted, the vertical adjustment can be performed according to the requirement, the cabinet door can be conveniently opened for storing articles, the smoke tube can be conveniently installed and maintained, the installation is convenient, and the problem that a plurality of range hoods need to be installed firstly and then used as kitchen cabinets is solved; gaps in motion are filled through the telescopic curtains, so that the motion mechanism is hidden; the synchronous control movement mechanism realizes effective control on the gaps at two sides and operates more stably; the adjusting device with feedback drives the two sides asynchronously, and compensates errors caused by installation and positioning of the hook or errors after frequent use and the like.

Drawings

Fig. 1 is a schematic front view of a range hood according to an embodiment of the present invention;

FIG. 2 is a schematic rear view of a range hood according to an embodiment of the present invention;

FIG. 3 is a schematic view of a hidden back plate of the range hood according to the embodiment of the present invention;

FIG. 4 is a schematic side view of the range hood according to the embodiment of the present invention after installation;

FIG. 5 is a schematic front view of the range hood according to the embodiment of the present invention after installation;

fig. 6 is a flowchart of a method for adjusting and controlling an installation gap of a range hood according to an embodiment of the present invention.

Detailed Description

The invention is described in further detail below with reference to the accompanying examples.

Referring to fig. 1 to 3, in this embodiment, the range hood is a side-suction range hood, and alternatively, the range hood may also be a top-suction range hood or a top-suction and side-suction integrated machine.

The range hood comprises a shell 1, a box body 2 positioned above the shell 1 and a panel 3 positioned on the front side of the shell 1. For convenience of description, in this specification, "front", "rear", "left", "right", "up" and "down" refer to directions of the extractor hood relative to a user when in use.

The mounting structure further comprises a distance measuring sensor 41 arranged on the top of the housing 1 and a moving mechanism arranged on the back plate 11 at the rear side of the housing 1, wherein in the embodiment, the distance measuring sensor 41 is a laser distance sensor. The two movement mechanisms are respectively arranged on the left side and the right side of the back plate 11. Each motion mechanism comprises a driving mechanism 42 and a transmission mechanism, and the two driving mechanisms and the transmission mechanisms have the same structure. The mounting structure further includes a slider 44 that is moved in a longitudinal direction by the driving mechanism 42 and the driving mechanism on each side, the slider 44 being adapted to be connected to an external mounting base, such as a hook on a wall surface.

The drive mechanism 42 is preferably a motor. The transmission mechanism comprises a worm 431 arranged on the output shaft of the motor, a worm wheel 432 cooperating with the worm 431, and a screw 433 fixedly connected to the worm wheel 432, the screw 433 extending in a longitudinal direction, preferably in a vertical direction. A first bracket 111 and a second bracket 112 are arranged on the front side surface of the back plate 11 facing the inside of the housing 1, the first bracket 111 is located above the second bracket 112, the upper end of the screw 433 is rotatably connected with the first bracket 111 through a first bearing 113, and the lower end of the screw 433 is rotatably connected with the second bracket 112 through a second bearing 114.

The transmission mechanism further includes a slider 434, a transmission link 435, a slide rail 436, and a guide 437. The slider 434 is provided on the outer circumference of the screw 433 and is screw-engaged with the screw 433, whereby the slider 434 is linearly movable in the longitudinal direction when the screw 433 rotates. The drive link 435 extends in a transverse direction, preferably in a horizontal direction, the slide rail 436 and the guide rail 437 extend in a longitudinal direction, preferably in a vertical direction, respectively, and the slide rail 436 and the screw 433 are parallel. One end of the transmission link 435 is connected to the slider 434, the other end of the transmission link 435 is connected to the slide rail 436, the slide rail 436 is connected to the guide rail 437 through a ball assembly so that the slide rail 436 can move in the longitudinal direction relative to the guide rail 437, and the guide rail 437 is fixedly connected to the front side of the back plate 11.

The slide fastener 44 is also connected to the slide rail 436, and a slide groove 115 extending in the longitudinal direction, preferably in the vertical direction, is formed in the back plate 11, and the slide fastener 44 can move longitudinally in the slide groove 115. A retractable curtain 438 is provided between the upper end of the slider 44 and the upper edge of the chute 115. Through setting up flexible curtain 438, can guarantee that the space of spout 115 is filled, can not only make range hood self outward appearance more exquisite, can make the motion be hidden moreover. The slider 44 is finally driven to move in the longitudinal direction by the forward and reverse rotation of the motor.

The motion mechanism can also adopt linear driving modules such as a gear rack, a hydraulic cylinder and a valve, an electric push rod and the like, as long as the slide fastener 44 can be driven to move longitudinally. The movement mechanism may also be provided on the case 2.

Referring to fig. 4 and 5, in installation, a conventional hook is first fixed to the wall surface 100, and then the slider 44 is hung on the hook, where the housing 1 is located under the cabinet 200 and the cabinet 2 is located in the cabinet 200. Each motion mechanism can synchronously act, and can also start the driving mechanism according to the feedback signal of the distance measuring sensor 41 to carry out self-adaptive asynchronous adjustment, control the gap between the top of the shell 1 of the range hood and the cabinet 200, improve the integral aesthetic degree, and simultaneously solve the problem that the box body 2 cannot be put in or interfered when the cabinet 200 has a front crosspiece; the kitchen cabinet can be made first, and then the range hood is installed.

Referring to fig. 6, the self-adaptive adjustment method for the mounting gap between the range hood and the cabinet using the mounting structure comprises the following steps:

1) starting, switching to a mounting clearance adjusting mode;

2) determining a permitted clearance value t0 from the top of the shell (1) of the range hood to the cabinet (200), and pre-installing: inputting an allowable clearance value t0, or manually determining an acceptable clearance value t 0; an allowable pressure value P0 may also be input;

3) observing and measuring the current gap value: the left gap value t1 and the right gap value t2 are measured, and can be measured manually or detected by the distance measuring sensor 41; the left pressure sensor may detect the left current pressure value P1, and the right pressure sensor may detect the right current pressure value P2;

4) judging whether the left side needs to be adjusted: judging whether t1 is larger than t0 or whether P1 is smaller than P0, if yes (t1 is larger than t0 or P1 is smaller than P0), entering step 5), and if no, entering step 6);

5) judging whether the right side needs to be adjusted: judging whether t2 is greater than t0 or whether P2 is less than P0, if yes (t2 is greater than t0 or P2 is less than P0), entering step 5.1), and if no, entering step 5.2);

5.1) controlling the driving mechanisms 42 at the two sides to ensure that the left side and the right side of the range hood move upwards for a certain distance: if the driving mechanisms 42 on both sides rotate counterclockwise for 0.05s at the rotating speed V1, the slider 44 is driven to move downward for 1mm (the slider 434 moves downward for 1mm or the screw 433 rotates clockwise for 1 turn), and the step 4 is returned to);

5.2) controlling the left driving mechanism 42 to move the left side of the range hood upwards by a certain distance: if the left driving mechanism 42 rotates counterclockwise for 0.05s at the rotation speed V1, the left slider is driven to move down 1mm (the slider 434 moves down 1mm or the screw 433 rotates clockwise for 1 turn), and the process returns to step 4);

6) judging whether the right side needs to be adjusted: judging whether t2 is greater than t0 or whether P2 is less than P0, if yes (t2 is greater than t0 or P2 is less than P0), entering step 6.1), and if no, entering step 7);

6.1) controlling the driving mechanism 42 on the right side to enable the range hood to move upwards for a certain distance: if the right driving mechanism rotates anticlockwise for 0.05s, the right slider is driven to move downwards for 1mm (the slider 434 moves downwards for 1mm or the screw 433 rotates clockwise for 1 circle), and the step 4 is returned;

7) judging whether the current gap value is acceptable, if so, finishing the gap adjustment; if not, go back to step 2).

Claims (8)

1. The utility model provides a range hood mounting structure, includes range hood and be used for with outside installation basis be connected smooth knot (44), range hood includes casing (1) and sets up box (2) in casing (1) top, its characterized in that: the range hood is provided with a sliding groove (115) extending in the longitudinal direction, the mounting structure further comprises a moving mechanism for driving the sliding buckle (44) to move along the sliding groove (115), and a distance measuring sensor (41) for measuring a gap between the top of the shell (1) and the mounted cabinet (200) is arranged at the top of the shell (1).

2. The range hood mounting structure of claim 1, wherein: a telescopic curtain (438) is further arranged in the sliding groove (115), and the telescopic curtain (438) is connected between the slide fastener (44) and the edge of the sliding groove (115).

3. The range hood mounting structure of claim 1, wherein: the moving mechanism comprises a driving mechanism (42) and a transmission mechanism for transmitting the force of the driving mechanism (42) to the slide fastener (44), the driving mechanism (42), the transmission mechanism and the slide fastener (44) are respectively two and are arranged on the left side and the right side in the back plate (11) on the rear side of the shell (1) of the range hood, and the sliding groove (115) is formed in the back plate (11).

4. The range hood mounting structure of claim 3, wherein: each transmission mechanism comprises a sliding rail (436) which is driven by the driving mechanism (42) and can move in the longitudinal direction, and a guide rail (437) fixed on the range hood, wherein the sliding rail (436) is in sliding fit with the guide rail (437).

5. The range hood mounting structure of claim 4, wherein: the transmission mechanism further comprises a screw rod (433) driven by the driving mechanism (42) to rotate, a sliding block (434) and a transmission connecting rod (435), the screw rod (433) extends longitudinally, the sliding block (434) is arranged on the screw rod (433) and connected with the screw thread, one end of the transmission connecting rod (435) is connected with the sliding block (434), and the other end of the transmission connecting rod (435) is connected with the sliding rail (436).

6. The range hood mounting structure of claim 5, wherein: the range hood is fixedly provided with a first support (111) and a second support (112), the first support (111) is located above the second support (112), the upper end of the screw rod (433) is rotatably connected with the first support (111) through a first bearing (113), and the lower end of the screw rod (433) is rotatably connected with the second support (112) through a second bearing (114).

7. The range hood mounting structure according to any one of claims 1 to 6, wherein: the distance measuring sensors (41) are provided with two parts and are respectively arranged on the left side and the right side of the shell (1).

8. A method for adaptively adjusting the mounting clearance of a range hood to which the range hood mounting structure of claim 7 is applied, wherein: the method comprises the following steps:

1) starting, switching to a mounting clearance adjusting mode;

2) determining a permitted clearance value t0 between the top of a shell (1) of the range hood and a cabinet (200), and pre-installing;

3) observing and measuring the current gap value: measuring a current left gap t1 and a current right gap t2 through distance measuring sensors (41) on two sides respectively;

4) judging whether the left side needs to be adjusted: judging whether t1 is larger than t0, if yes, entering step 5), and if not, entering step 6);

5) judging whether t2 is larger than t0, if yes, entering step 5.1), and if not, entering step 5.2);

5.1) controlling the motion mechanisms at the two sides to enable the left side and the right side of the range hood to move upwards for a certain distance, and returning to the step 4);

5.2) controlling the motion mechanism on the left side to move the left side of the range hood upwards for a certain distance, and returning to the step 4);

6) judging whether t2 is larger than t0, if yes, entering step 6.1), and if not, entering step 7);

6.1) controlling a motion mechanism on the right side to move the right side of the range hood upwards for a certain distance, and returning to the step 4);

7) judging whether the current gap value is acceptable, if so, finishing the gap adjustment; if not, go back to step 2).

Images