Range hood air guide mechanism convenient to adjust

Abstract

The utility model discloses a range hood air guide mechanism convenient to adjust, relates to the field of air guide mechanisms, and provides a range hood air guide mechanism convenient to adjust compared with the prior art that angle adjustment work of a plurality of air guide strips is completed through a motor, a swing rod and a linkage rod. Angle adjustment work of the multiple air guide strips is achieved through the gears, the racks and the micro electric push rods, the gears, the racks and the micro electric push rods can be attached to the first supporting strips, large protruding structures cannot be formed on the two sides of the supporting strips, and therefore the whole mechanism is more regular and more beneficial to installation and arrangement, the air guide strips are convenient to disassemble, and the working efficiency is improved. And cleaning is facilitated.

Description

Technical Field

[0001] The utility model relates to the field of air guide mechanisms, in particular to an air guide mechanism for a range hood which is easy to adjust. Background Art

[0002] In the prior art, the air guide mechanism of the range hood is used to guide the air blown out from the working side of the range hood and adjust the direction of the air curtain formed on the working side of the range hood;

[0003] According to the patent disclosed in the existing announcement number CN209655384U, a range hood with an air guide structure provides a structure that can adjust the angles of multiple air guide strips at the same time. However, its structure has a motor, a swing rod and a connecting rod protruding on one side of the bracket, which greatly increases the volume of the entire mechanism and is not conducive to installation and arrangement. At the same time, due to use in the kitchen, oil smoke inevitably accumulates on the air guide strips, and the dense air guide strips are not conducive to cleaning the air guide strips. The patent is not convenient for disassembling and assembling the air guide strips for cleaning, which makes cleaning inconvenient. Utility Model Content

[0004] In order to remedy the deficiencies of the existing technical problems, the purpose of the present invention is to provide an easily adjustable range hood air guide mechanism that is easy to install and arrange and can conveniently and quickly disassemble and assemble the air guide strips.

[0005] In order to solve the problems of the prior art, the technical solutions of the present utility model are as follows:

[0006] A conveniently adjustable range hood air guide mechanism comprises two symmetrically arranged first and second support bars, each of which is provided with a plurality of connecting bars rotatably mounted at equal intervals along the length direction of the first support bar, wherein the axis direction of the connecting bars is perpendicular to the length direction of the first support bar;

[0007] A slot is provided on each of the adjacent sides of the two connecting strips on the left and right sides, and an air guide strip is inserted between the two slots on the left and right sides;

[0008] A rotating assembly for driving multiple connecting bars to rotate simultaneously is installed on the side of the first support bar facing away from the second support bar. A positioning assembly for positioning the air guide bar in the slot is also installed on the first support bar. A limiting assembly for limiting the connecting bars on it is installed on the second support bar.

[0009] Preferably, the opening of the slot is chamfered.

[0010] Preferably, the rotating assembly includes a micro electric push rod fixed on the outer wall of the first support bar away from the second support bar, a rack is slidably installed on the outer wall of the first support bar close to the micro electric push rod through a linear slide rail, the protruding end of the micro electric push rod is fixed to the outer wall of the rack, and a gear is fixed on the end of the connecting bar on the first support bar close to the rack, and several of the gears are engaged with the rack.

[0011] The locking mechanism is configured to lock the locking cam of the locking cam and to lock the locking cam of the locking cam, wherein the locking cam has a lock hole formed on the locking cam of the locking cam and a lock hole formed on the locking cam of the locking cam.

[0012] Preferably, a cover is fixed on the outer wall of the first support bar on the side facing away from the second support bar.

[0013] Preferably, the limiting assembly includes a rubber friction pad fixed on the outer wall of the second support bar on the side away from the first support bar, and the outer wall of the connecting bar on the second support bar abuts against the rubber friction pad.

[0014] Compared with the prior art, the advantages of the present invention are as follows:

[0015] Compared with the prior art that uses a motor, a swing rod, and a connecting rod to complete the angle adjustment of multiple air guide strips, the present application uses a gear, a rack, and a micro electric push rod to achieve the angle adjustment of multiple air guide strips. In addition, the gear, rack, and micro electric push rod can be attached to the first support bar without forming a large protruding structure on both sides of the support bar, thereby making the entire mechanism more regular and more convenient for installation and arrangement.

[0016] The connection of the air guide strip is completed by setting a positioning rod, a spring, an annular guide strip and a card slot. The air guide strip can be unlocked and locked by using the power to drive the air guide strip to rotate. Therefore, when cleaning the air guide strip, the operator only needs to pull out the air guide strip and insert the air guide strip, and there is no need to operate the locking operation of the air guide strip, making the air guide strip easy to disassemble and facilitate cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1It is a schematic diagram of the overall structure of the utility model.

[0018] Figure 2 This is a schematic diagram of the slot structure of the present utility model.

[0019] Figure 3 This is a schematic diagram of the position of the sliding hole of the utility model.

[0020] Figure 4 This is a schematic diagram of the card slot position of the present utility model.

[0021] Figure 5 This is a schematic diagram of the structure of the micro electric push rod of the present utility model.

[0022] Figure 6 This is a schematic diagram of the spring position of the present utility model.

[0023] Figure 7 This is a schematic diagram of the support block structure of the present utility model.

[0024] Figure 8 This is a schematic structural diagram of the annular guide bar of the present utility model.

[0025] Figure 9 This is a schematic diagram of the cover structure of the present utility model.

[0026] Figure 10 This is a structural diagram of embodiment 2 of the present utility model.

[0027] Figure numerals: 1. first support bar; 2. second support bar; 3. connecting bar; 4. slot; 5. air guide bar; 6. rubber friction pad; 7. micro electric push rod; 8. rack; 9. gear; 10. sliding hole; 11. positioning rod; 12. slot; 13. support block; 14. annular guide bar; 15. spring; 16. cover. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0029] For example 1, please refer to Figures 1 to 9 This embodiment provides an easily adjustable range hood air guide mechanism, comprising two symmetrically arranged first support bars 1 and second support bars 2, each of which is rotatably mounted with a plurality of connecting bars 3 at equal intervals along the length direction of the first support bar 1, wherein the axis direction of the connecting bar 3 is perpendicular to the length direction of the first support bar 1;

[0030] like Figure 1As shown, a slot 4 is provided on each of the two connecting strips 3 facing each other on the left and right sides, and an air guide strip 5 is inserted between the two slots 4 facing each other on the left and right sides. The open end of the slot 4 is chamfered to facilitate the insertion of the air guide strip 5 into the inner side of the slot 4.

[0031] A micro electric push rod 7 is fixed on the outer wall of the first support bar 1 on the side away from the second support bar 2, and a rack 8 is slidably installed on the outer wall of the first support bar 1 on the side close to the micro electric push rod 7 through a linear slide rail. The protruding end of the micro electric push rod 7 is fixed to the outer wall of the rack 8, and a gear 9 is fixed on the end of the connecting bar 3 on the first support bar 1 close to the rack 8. Several gears 9 are meshed and connected with the rack 8. A limiting component for limiting the connecting bar 3 thereon is installed on the second support bar 2;

[0032] After all the air guide strips 5 are installed, when the angle of the air guide strip 5 needs to be adjusted, the protruding end of the micro electric push rod 7 is driven to extend or retract, thereby driving the rack 8 to slide on the first support strip 1, and the multiple gears 9 are driven to rotate simultaneously, thereby driving the multiple air guide strips 5 to rotate simultaneously. During the rotation process, the rotation resistance of the limit assembly to the connecting strip 3 on the second support strip 2 is smaller than the force of the rotation of the air guide strip 5, so it will not affect the rotation of the air guide strip 5, thus completing the adjustment of the wind direction.

[0033] The first support bar 1 is provided with a sliding hole 10 on the connecting bar 3, and the axial direction of the sliding hole 10 is the same as the axial direction of the connecting bar 3, but the axis of the sliding hole 10 does not coincide with the axis of the connecting bar 3. A positioning rod 11 is inserted into the sliding hole 10, and a card slot 12 is provided on the outer wall of the air guide bar 5 at a position facing the positioning rod 11. The end of the positioning rod 11 is matched with the card slot 12, and the end of the positioning rod 11 away from the card slot 12 protrudes from the surface of the connecting bar 3. A supporting block 13 is fixed on the outer wall of the first support bar 1 on the side of the rotating assembly corresponding to the position of the connecting bar 3. A ring-shaped guide bar 14 is formed on the side of the supporting block 13 close to the positioning rod 11. The positioning rod 11 is close to the ring-shaped guide bar 14. One end of the spring 15 is fixed to the outer wall of the positioning rod 11 and the other end is fixed to the outer wall of the connecting bar 3. The ring-shaped guide bar 14 has a parallel portion and a recessed portion, and the end of the positioning rod 11 close to the ring-shaped guide bar 14 contacts the outer wall of the ring-shaped guide bar 14;

[0034] When the air guide strip 5 needs to be disassembled, the electric push rod is driven to turn the gear 9 so that the air guide strip 5 is adjusted to the position as shown in the figure. Figure 1 As shown in the upward tilt angle, when the connecting bar 3 is rotated to this angle, the positioning rod 11 is facing the recessed portion on the annular guide bar 14, and under the action of the spring 15, it abuts against the inner side of the recessed portion of the annular guide bar 14. In this state, as Figure 3When the cam 11 is in the state of being inserted into the inner side of the sliding hole 10, the locking of the cam 11 is released, and the cam 11 can be directly pulled out from the slot 4. After being pulled out, the connecting bar 3 on the second support bar 2 is limited by the limiting component and will not change its position at will. When installing, the cam 11 is inserted into the inner side of the two slots 4 at both ends. After all the cams 5 are inserted, the cams 5 are driven to rotate downward at the same time. In the early stage of rotation of the cam 11, that is, when it is still in the upward tilting state, the end of the positioning rod 11 climbs up to the parallel part of the annular guide bar 14, and the end of the positioning rod 11 is inserted into the card slot 12 to clamp the cam 11 and position the cam 11. During the positioning process, the cam 11 is always in an upward tilting posture and will not separate from the slot 4. A cover 16 is fixed on the outer wall of the first support bar 1 away from the second support bar 2, which can cover and protect the electric push rod and spring 15 and other structures.

[0035] For example 1, please refer to Figure 10 This embodiment provides a further technical solution based on the first embodiment. The limiting component includes a rubber friction pad 6 fixed on the outer wall of the second support bar 2 away from the first support bar 1. The outer wall of the connecting bar 3 on the second support bar 2 abuts against the rubber friction pad 6. When the connecting bar 3 stops rotating, the rubber friction pad 6 abuts against the connecting bar 3 to limit it, ensuring that it does not rotate at will.

[0036] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A range hood air guide mechanism that is easy to adjust, characterized in that: The invention comprises two symmetrically arranged first support bars (1) and second support bars (2), wherein a plurality of connecting bars (3) are rotatably mounted on the first support bar (1) and the second support bar (2) at equal intervals along the length direction of the first support bar (1), and the axis direction of the connecting bar (3) is perpendicular to the length direction of the first support bar (1); A slot (4) is provided on each of the two connecting strips (3) facing each other on the left and right sides, and an air guide strip (5) is inserted between the two slots (4) facing each other on the left and right sides. A rotating assembly for driving the plurality of connecting strips (3) to rotate simultaneously is installed on the side of the first supporting strip (1) facing away from the second supporting strip (2), and a positioning assembly for positioning the air guide strip (5) in the slot (4) is also installed on the first supporting strip (1); A limiting component for limiting the position of the connecting bar (3) thereon is installed on the second supporting bar (2).

2. The easily adjustable range hood air guide mechanism according to claim 1, characterized in that: The opening of the slot (4) is provided with a chamfer.

3. The easily adjustable range hood air guide mechanism according to claim 1, characterized in that: The rotating assembly comprises a micro electric push rod (7) fixed on the outer wall of the first support bar (1) away from the second support bar (2); a rack (8) is slidably mounted on the outer wall of the first support bar (1) on the side close to the micro electric push rod (7) via a linear slide rail; the extended end of the micro electric push rod (7) is fixed to the outer wall of the rack (8); a gear (9) is fixed to the end of the connecting bar (3) on the first support bar (1) close to the rack (8); and a plurality of the gears (9) are meshed and connected with the rack (8).

4. The easily adjustable range hood air guide mechanism according to claim 1, characterized in that: The positioning assembly includes a sliding hole (10) on the connecting strip (3) on the first support strip (1), the axial direction of the sliding hole (10) is the same as the axial direction of the connecting strip (3), but the axis of the sliding hole (10) does not coincide with the axis of the connecting strip (3), a positioning rod (11) is inserted into the sliding hole (10), a slot (12) is provided on the outer wall of the air guide strip (5) at a position facing the positioning rod (11), the end of the positioning rod (11) is matched with the slot (12), and the end of the positioning rod (11) away from the slot (12) protrudes from the surface of the connecting strip (3), and the first support strip (1) is provided with a plurality of slots (12) on the outer wall of the air guide strip (5). A support block (13) is fixed on the outer wall of one side of the support bar (1) close to the rotating assembly at a position corresponding to the connecting bar (3), and an annular guide bar (14) is formed on the side of the support block (13) close to the positioning rod (11). A spring (15) is sleeved on one end of the positioning rod (11) close to the annular guide bar (14), one end of the spring (15) is fixed to the outer wall of the positioning rod (11) and the other end is fixed to the outer wall of the connecting bar (3), and the annular guide bar (14) has a parallel portion and a recessed portion, and the end of the positioning rod (11) close to the annular guide bar (14) contacts the outer wall of the annular guide bar (14).

5. The easily adjustable range hood air guide mechanism according to claim 1, characterized in that: A cover (16) is fixed on the outer wall of the first support bar (1) on the side facing away from the second support bar (2).

6. The easily adjustable range hood air guide mechanism according to claim 1, characterized in that: The limiting assembly comprises a rubber friction pad (6) fixed on the outer wall of the second support bar (2) on the side away from the first support bar (1), and the outer wall of the connecting bar (3) on the second support bar (2) abuts against the rubber friction pad (6).

Images