Novel range hood wind wheel structure

Abstract

The utility model relates to the technical field of range hoods, and discloses a novel range hood wind wheel structure which comprises a motor, the output end of the motor is fixedly connected with a main shaft, a wind wheel is installed on the main shaft, a protection assembly is installed on the outer side of the motor, a containing hole is formed in the main shaft, a rotating hole is formed in the front face of the main shaft, and the rotating hole is communicated with the main shaft. A rotating hole is formed in the main shaft, a rotating rod is rotatably connected in the rotating hole, pull ropes are fixedly connected to the top and the bottom of the rotating rod, movable grooves are formed in the top and the bottom of the main shaft respectively, limiting blocks are slidably arranged in the movable grooves respectively, and springs are fixedly connected to the ends, close to each other, of the limiting blocks respectively. According to the novel range hood wind wheel structure, when the wind wheel needs to be dismantled and cleaned, the hand wheel is rotated to enable the rotating rod to rotate, the pull rope drives the limiting block to compress the spring to slide in the movable groove, the limiting block slides out of the limiting hole, the wind wheel can be dismantled, and the maintenance efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of range hood technology, specifically a novel range hood impeller structure. Background Technology

[0002] A range hood (also known as a kitchen exhaust fan) is a core appliance in the kitchen used to purify the air and remove cooking fumes. The range hood uses a mechanical device to quickly extract cooking fumes and exhaust gases and vent them outdoors. It works based on the principle of "negative air pressure" by using a high-speed rotating impeller to create a negative pressure zone at the air inlet, guiding the fumes into the machine and then expelling them.

[0003] The existing range hood impeller is locked to the front end of the motor shaft by a plum nut. This structure is time-consuming and laborious to maintain and disassemble, so there is an urgent need for a new type of range hood impeller structure. Utility Model Content

[0004] The purpose of this utility model is to provide a novel impeller structure for range hoods to solve the problems mentioned in the background art.

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a novel range hood impeller structure, including a motor, the output end of which is fixedly connected to a main shaft, an impeller is mounted on the main shaft, and a protective component is mounted on the outside of the motor;

[0006] The main shaft has an internal receiving hole and a rotating hole on its front side. A rotating rod is rotatably connected to the rotating hole. Pull ropes are fixedly connected to the top and bottom of the rotating rod. Movable grooves are respectively opened at the top and bottom of the main shaft. Limiting blocks are slidably arranged in the movable grooves. Springs are fixedly connected to the ends of the limiting blocks that are close to each other. A connecting sleeve is fixedly connected to the front side of the middle part of the impeller. Limiting holes are respectively opened at the top and bottom of the connecting sleeve.

[0007] Preferably, a handwheel is fixedly connected to the front of the rotating rod, and the surface of the handwheel is provided with anti-slip strips.

[0008] The motor drives the impeller to rotate through the main shaft, generating suction. The main shaft has a receiving hole inside and a rotating hole on the front. The top and bottom of the rotating rod inside the rotating hole are connected to a pull rope. There are sliding limit blocks in the movable grooves at the top and bottom of the main shaft. The limit blocks are connected by springs. There is a connecting sleeve on the front of the middle part of the impeller. The top and bottom of the connecting sleeve have limit holes. A handwheel with anti-slip strips is fixedly connected to the front of the rotating rod for easy operation of the rotating rod.

[0009] Preferably, the ends of the springs that are close to each other are fixedly connected to the inner wall of the movable groove, and the ends of the pull ropes that are away from the rotating rods are fixedly connected to the limiting blocks.

[0010] Preferably, the limiting blocks are respectively matched with the limiting grooves, and a through hole for the pull rope to pass through is arranged between the movable groove and the accommodating hole.

[0011] The front surface of the rotating rod is fixedly connected with a hand wheel with anti-skid strips, the hand wheel facilitates the operation of the rotating rod, one end of the spring is fixedly connected with the inner wall of the movable groove, the other end of the spring is connected with the limiting block, one end of the pull rope is connected with the rotating rod, and the other end of the pull rope is connected with the limiting block, so that the control of the rotating rod on the limiting block is realized.

[0012] Preferably, the protection assembly comprises a sound insulation shell, and sound absorption cotton is arranged on the inner wall of the sound insulation shell.

[0013] Preferably, the back surface of the sound insulation shell is fixedly connected with a mounting plate, a mounting hole is arranged on the surface of the mounting plate, and a plurality of first nuts are fixedly connected with the front surface of the sound insulation shell.

[0014] The sound insulation shell and the sound absorption cotton of the inner wall can effectively reduce the noise generated when the motor works, the noise of the range hood is reduced, the mounting hole arranged on the mounting plate at the back surface of the sound insulation shell facilitates the mounting and fixing of the sound insulation shell, the front end of the outer side of the motor is fixedly connected with a mounting ring, a second nut is arranged on the mounting ring, and the second nut and the first nut are matched and can stably mount the motor in the sound insulation shell through the nut.

[0015] Preferably, the front end of the outer side of the motor is fixedly connected with a mounting ring, and a second nut is arranged on the mounting ring.

[0016] Compared with the prior art, the utility model has the advantages of:

[0017] Firstly, the utility model discloses a motor driving a wind wheel to rotate to generate suction force, an accommodating hole is arranged in the motor, a rotating hole is arranged on the front surface, a pull rope is connected to the top and bottom of the rotating rod in the rotating hole, a limiting block is slidably arranged in the movable groove at the top and bottom of the motor, the limiting block is connected through a spring, a connecting sleeve is arranged on the front surface of the middle part of the wind wheel, limiting holes are arranged on the top and bottom of the connecting sleeve, a hand wheel with anti-skid strips is fixedly connected with the front surface of the rotating rod, the hand wheel facilitates the operation of the rotating rod, one end of the spring is fixedly connected with the inner wall of the movable groove, the other end of the spring is connected with the limiting block, one end of the pull rope is connected with the rotating rod, and the other end of the pull rope is connected with the limiting block, so that the control of the rotating rod on the limiting block is realized.

[0018] Second, the utility model discloses, the soundproof assembly includes sound insulation shell and the sound absorption cotton of inner wall, can effectively reduce the noise that the motor works, realize the noise of reducing the range hood, set up mounting hole on the mounting plate of sound insulation shell back, facilitate the installation fixed of sound insulation shell, the front end fixed connection mounting ring of motor outside, set up second nut on the mounting ring, and its second nut and first nut cooperate through the nut and can install the motor stably in the inside of sound insulation shell. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is whole structure schematic diagram of the utility model;

[0020] Figure 2 It is left side cut structure schematic diagram of the utility model wind wheel and main shaft junction;

[0021] Figure 3 It is the utility model Figure 2 It is the enlarged structure schematic diagram of A place in the utility model;

[0022] Figure 4 It is left side cut structure schematic diagram of the utility model soundproof assembly.

[0023] Wherein: 1, motor;2, main shaft;3, wind wheel;4, rotating rod;5, pull rope;6, limit block;7, spring;8, connecting sleeve;9, hand wheel;10, sound insulation shell;11, sound absorption cotton;12, mounting plate;13, mounting ring. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0025] The utility model provides the following technical scheme:

[0026] Embodiment one

[0027] Please refer to Figure 1 、 Figure 2 、 Figure 3 And Figure 4 , a kind of novel range hood wind wheel structure, including motor 1, the output end of motor 1 is fixedly connected with main shaft 2, main shaft 2 is installed with wind wheel 3, the outside of motor 1 is installed with protective assembly;

[0028] The inside of the main shaft 2 is provided with a containing hole, the front surface of the main shaft 2 is provided with a rotating hole, a rotating rod 4 is rotatably connected in the rotating hole, the top and bottom of the rotating rod 4 are fixedly connected with pull ropes 5, the top and bottom of the main shaft 2 are respectively provided with movable grooves, the movable grooves are respectively slidably provided with limiting blocks 6, the ends of the limiting blocks 6 close to each other are respectively fixedly connected with springs 7, the front surface of the middle part of the wind wheel 3 is fixedly connected with a connecting sleeve 8, and the top and bottom of the connecting sleeve 8 are respectively provided with limiting holes.

[0029] The front surface of the rotating rod 4 is fixedly connected with a hand wheel 9, and the surface of the hand wheel 9 is provided with anti-skid strips.

[0030] The ends of the springs 7 close to each other are fixedly connected with the inner walls of the movable grooves, and the ends, away from the rotating rod 4, of the pull ropes 5 are respectively fixedly connected with the limiting blocks 6.

[0031] The limiting blocks 6 are respectively matched with the limiting grooves, and the movable grooves and the containing hole are provided with through holes for the pull ropes 5 to pass through.

[0032] Through the above technical scheme, the motor 1 drives the wind wheel 3 to rotate through the main shaft 2 to generate suction force, the inside of the main shaft 2 is provided with a containing hole, the front surface is provided with a rotating hole, the top and bottom of the rotating rod 4 in the rotating hole are connected with the pull ropes 5, the movable grooves at the top and bottom of the main shaft 2 are slidably provided with the limiting blocks 6, the limiting blocks 6 are connected through the springs 7, the front surface of the middle part of the wind wheel 3 is provided with the connecting sleeve 8, the top and bottom of the connecting sleeve 8 are provided with the limiting holes, the front surface of the rotating rod 4 is fixedly connected with the hand wheel 9 with anti-skid strips, the rotating rod is convenient to operate, one end of the spring 7 is fixedly connected with the inner wall of the movable groove, the other end is connected with the limiting block 6, one end of the pull rope 5 is connected with the rotating rod 4, and the other end is connected with the limiting block 6, the control of the rotating rod 4 on the limiting block 6 is realized, when it is necessary to dismount and clean the wind wheel 3, the rotating rod 4 is rotated by rotating the hand wheel 9, the pull rope 5 drives the limiting block 6 to compress the spring 7 to slide in the movable groove, the limiting block 6 slides out of the limiting hole, and the dismounting of the wind wheel 3 is realized, and the maintenance efficiency is improved.

[0033] Embodiment two

[0034] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 , and on the basis of embodiment one, it is further obtained that the protection assembly comprises a sound insulation shell 10, and the inner wall of the sound insulation shell 10 is provided with sound absorption cotton 11.

[0035] The back surface of the sound insulation shell 10 is fixedly connected with a mounting plate 12, the surface of the mounting plate 12 is provided with a mounting hole, and the front surface of the sound insulation shell 10 is fixedly connected with a plurality of first nuts.

[0036] The front end of the outer side of the motor 1 is fixedly connected with a mounting ring 13, and the mounting ring 13 is provided with a second nut.

[0037] Through the technical scheme, the protection assembly includes the sound insulation shell 10 and the sound absorption cotton 11 of the inner wall, can effectively reduce the noise generated when the motor 1 works, realizes reducing the noise of the range hood, the mounting hole is set up on the mounting plate 12 of the back of the sound insulation shell 10 to facilitate the installation and fixation of the sound insulation shell 10, the front end of the motor 1 outside is fixedly connected with the mounting ring 13, the second nut is arranged on the mounting ring 13, the second nut is matched with the first nut, and the motor 1 can be stably installed in the sound insulation shell 10 through the nut.

[0038] Although the embodiments of the utility model have been shown and described, it can be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A new type of range hood fan wheel structure, comprising a motor (1), characterized in that: The output end of the motor (1) is fixedly connected with a main shaft (2), the main shaft (2) is provided with a wind wheel (3), and the outer side of the motor (1) is provided with a protection assembly; The inside of the main shaft (2) is provided with an accommodating hole, the front surface of the main shaft (2) is provided with a rotating hole, the rotating hole is rotatably connected with a rotating rod (4), the top and bottom of the rotating rod (4) are fixedly connected with a pull rope (5), the top and bottom of the main shaft (2) are respectively provided with a movable slot, the movable slot is respectively provided with a limiting block (6), the end of the limiting block (6) close to each other is respectively fixedly connected with a spring (7), the front surface of the middle of the wind wheel (3) is fixedly connected with a connecting sleeve (8), and the top and bottom of the connecting sleeve (8) are respectively provided with a limiting hole.

2. A novel structure of a fan wheel of a range hood according to claim 1, characterized in that: The front surface of the rotating rod (4) is fixedly connected with a hand wheel (9), and the surface of the hand wheel (9) is provided with an anti-skid strip.

3. A novel structure of a fan wheel of a range hood according to claim 1, characterized in that: The end of the spring (7) close to each other is fixedly connected with the inner wall of the movable slot, and the end of the pull rope (5) away from the rotating rod (4) is respectively fixedly connected with the limiting block (6).

4. A novel structure of a fan wheel of a range hood according to claim 1, characterized in that: The limiting block (6) is respectively matched with the limiting slot, and the movable slot and the accommodating hole are provided with a through hole for the pull rope (5) to pass through.

5. A novel structure of a fan wheel of a range hood according to claim 1, characterized in that: The protection assembly comprises a sound insulation shell (10), and the inner wall of the sound insulation shell (10) is provided with sound absorbing cotton (11).

6. A novel structure of a fan wheel of a range hood according to claim 5, characterized in that: The back surface of the sound insulation shell (10) is fixedly connected with a mounting plate (12), the surface of the mounting plate (12) is provided with a mounting hole, and the front surface of the sound insulation shell (10) is fixedly connected with a plurality of first nuts.

7. A novel structure of a fan wheel of a range hood according to claim 1, characterized in that: The front end of the outer side of the motor (1) is fixedly connected with a mounting ring (13), and the mounting ring (13) is provided with a second nut.

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