CN218868035U - Motor vibration reduction structure and range hood - Google Patents

Abstract

The utility model relates to a kitchen appliance technical field discloses a motor damping structure and lampblack absorber, and motor damping structure is including the first damping piece and the second damping piece that link to each other. The first vibration damping piece is sleeved on a main body shell of the motor and used for absorbing vibration on the main body shell, and the second vibration damping piece is installed at the rotating shaft end of the motor and used for absorbing vibration on the rotating shaft end. When the motor runs, vibration generated on the main body shell can be absorbed by the first vibration damping piece firstly, and the vibration is prevented from being transmitted to other components as much as possible, so that the noise generated by the vibration can be effectively reduced. The vibration generated in the rotating process of the rotating shaft end can be timely absorbed by the second vibration damping part, so that the transmission of the vibration is further reduced, and the noise is weakened. That is to say, this motor damping structure can weaken the vibration that motor self produced, reduces vibration amplitude, reduces the noise and slows down the transmission of vibration from the vibration source, and then reduces the noise of lampblack absorber collection smoke chamber lift in-process, improves user's use and experiences the sense.

Description

Motor vibration reduction structure and range hood

Technical Field

The utility model relates to a kitchen appliance technical field especially relates to a motor damping structure and lampblack absorber.

Background

The range hood is a kitchen appliance for purifying the kitchen environment, can quickly pump away waste burned by a stove and oil smoke harmful to human bodies generated in the cooking process, exhaust the oil smoke out of a room, condense and collect the oil smoke, reduce pollution and purify the air in the kitchen.

Among the prior art, in order to reduce the space that occupies the kitchen, part lampblack absorber adopts elevation structure to design the collection smoke chamber for the over-and-under type to realize accomodating of lampblack absorber, reduce the space that occupies when the lampblack absorber does not use. Wherein, elevation structure utilizes motor drive collection smoke chamber to go up and down usually, and can produce great work noise during the motor operation, seriously influences user's use and experiences and feel.

Therefore, a vibration damping structure for a motor and a range hood are needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Based on above problem, an object of the utility model is to provide a motor damping structure and lampblack absorber can effectively reduce the noise that the motor operation in-process produced, improves user's use and experiences and feel.

In order to achieve the purpose, the utility model adopts the following technical proposal:

on one hand, the vibration reduction structure of the motor comprises a first vibration reduction piece and a second vibration reduction piece which are connected, wherein the first vibration reduction piece is sleeved on a main body shell of the motor and used for absorbing vibration on the main body shell, and the second vibration reduction piece is arranged at the rotating shaft end of the motor and used for absorbing vibration on the rotating shaft end.

As the utility model discloses a preferred scheme of motor damping structure, the middle part of first damping piece is followed first through-hole has been seted up to the extending direction of main part shell, first damping piece passes through first through-hole cover is located on the main part shell, be provided with a plurality of spacing archs, a plurality of along the circumference interval on the inner wall of first through-hole spacing arch homoenergetic with main part shell butt.

As the utility model discloses a motor damping structure's preferred scheme, be provided with a plurality of sand grips, every adjacent two along the circumference interval on the outer wall of first damping piece all form between the sand grip and inhale the shake clearance.

As the utility model discloses a motor damping structure's preferred scheme, the storage tank has been seted up on the second damping piece, rotatory axle head can imbed in the storage tank.

As the utility model discloses a motor damping structure's preferred scheme, be provided with on the second damping piece with the second through-hole that the storage tank is linked together, the tip of rotatory axle head can be blocked in the second through-hole.

As the utility model discloses a preferred scheme of motor damping structure, the concave groove of dodging on the lateral wall of storage tank is equipped with first, first dodge the groove and be used for dodging first bulge on the rotatory axle head.

As the utility model discloses a motor damping structure's preferred scheme, second damping orientation one side of main part shell is provided with the second and dodges the groove, the second dodges the groove and is used for dodging second bulge on the main part shell.

As the utility model discloses a motor damping structure's preferred scheme, be provided with the orientation on the second damping piece first damping piece extend and with the connecting portion that first damping piece is connected, be provided with the mounting hole on the connecting portion, the mounting hole is configured to be connected with the casing of lampblack absorber.

As the utility model discloses a motor damping structure's preferred scheme, first damping piece with second damping piece is by the integrative injection moulding of rubber materials.

On the other hand, provide a lampblack absorber, including motor, support and as above motor damping structure, motor damping structure install in on the motor, the motor install in on the support.

The utility model has the advantages that:

the utility model provides a motor damping structure and lampblack absorber is through locating first damping piece cover on the main part shell of motor for the vibration that produces on the main part shell when the motor operates can be at first absorbed by first damping piece, avoids the vibration to transmit on to other parts as far as possible, thereby can effectively slow down the noise that the vibration produced. The second vibration damping piece is arranged at the rotary shaft end of the motor, so that vibration generated in the rotation process of the rotary shaft end can be timely absorbed by the second vibration damping piece, vibration transmission is further reduced, and noise is weakened. That is to say, this motor damping structure can weaken the vibration that motor self produced, reduces vibration amplitude, reduces the noise and slows down the transmission of vibration from the source of shaking, and then reduces the noise of lampblack absorber collection smoke chamber lift in-process, improves user's use and experiences the sense.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.

Fig. 1 is a first view of a motor damping structure according to an embodiment of the present invention;

fig. 2 is a second view of a vibration damping structure of a motor according to an embodiment of the present invention;

fig. 3 is an installation schematic diagram of a motor damping structure and a motor according to an embodiment of the present invention;

fig. 4 is a top view of the motor damping structure and the motor according to the embodiment of the present invention;

fig. 5 is a schematic view of a first installation of the motor and the bracket according to the embodiment of the present invention;

fig. 6 is a schematic view of a second installation of the motor and the bracket according to the embodiment of the present invention.

In the figure:

1-a first damping member; 2-a second damping member;

11-a first via; 12-a limit bump; 13-convex strip; 14-shock absorption clearance;

21-a containing groove; 22-a second via; 23-a second avoidance slot; 24-a connecting portion;

211-a first avoidance slot; 241-mounting holes;

100-a body shell; 101-a second protruding member; 200-rotating shaft end; 300-support.

Detailed Description

In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

As shown in fig. 1 and fig. 2, this embodiment provides a motor vibration reduction structure, which is applied to a motor of a lifting range hood. The motor vibration damping structure comprises a first vibration damping part 1 and a second vibration damping part 2 which are connected. The first vibration absorber 1 is sleeved on the main body housing 100 of the motor and used for absorbing vibration on the main body housing 100, and the second vibration absorber 2 is mounted at the rotating shaft end 200 of the motor and used for absorbing vibration on the rotating shaft end 200. In this embodiment, the main body case 100 is a pump position of the motor, and this position is a vibration generating position of the motor.

The motor damping structure that this embodiment provided is through locating first damping piece 1 cover on the main part shell 100 of motor for the vibration that produces on the main part shell 100 when the motor operation can be absorbed by first damping piece 1 at first, avoids the vibration to transmit on other parts as far as possible, thereby can effectively slow down the noise that the vibration produced. By installing the second vibration damping part 2 on the rotary shaft end 200 of the motor, the vibration generated in the rotation process of the rotary shaft end 200 can be timely absorbed by the second vibration damping part 2, so that the transmission of the vibration is further reduced, and the noise is weakened. That is to say, this motor damping structure can weaken the vibration that motor self produced, reduces vibration amplitude, reduces the noise and slows down the transmission of vibration from the source of shaking, and then reduces the noise of lampblack absorber collection smoke chamber lift in-process, improves user's use and experiences the sense.

Alternatively, the first and second damping members 1 and 2 are integrally injection-molded from a rubber material for ease of processing. The rubber material has good vibration damping effect, wear resistance and long service life. The rubber material can be butyl rubber or butadiene acrylonitrile rubber, and can be adaptively selected according to actual design requirements.

Optionally, referring to fig. 1 and fig. 2, a first through hole 11 is formed in the middle of the first vibration damping member 1 along the extending direction of the main body casing 100, the first vibration damping member 1 is sleeved on the main body casing 100 through the first through hole 11 (as shown in fig. 3), a plurality of limiting protrusions 12 are circumferentially arranged on the inner wall of the first through hole 11 at intervals, and the plurality of limiting protrusions 12 can be abutted to the main body casing 100. After the first vibration damping member 1 is sleeved on the main body shell 100, the plurality of limiting protrusions 12 can play a limiting role, so that the first vibration damping member 1 is prevented from being separated from the main body shell 100, and the first vibration damping member 1 can keep a good vibration damping effect. In this embodiment, limiting protrusion 12 is strip-shaped and extends along the axial direction of first through hole 11, so that the contact area between limiting protrusion 12 and main body shell 100 can be increased, and the limiting is more stable, and the first vibration damping member 1 can be smoothly sleeved.

Illustratively, six limiting protrusions 12 are provided at equal intervals in the circumferential direction of the first through hole 11. In other embodiments, the number of stop lugs 12 may be increased or decreased adaptively.

Further, the cross section of the first vibration damping part 1 is rectangular, and the rectangular first vibration damping part 1 is beneficial to mounting a motor, so that the main body shell 100 is more stably fixed at a position to be mounted, and is prevented from shaking and vibration is reduced.

Alternatively, referring to fig. 1 and 2, a plurality of convex strips 13 are arranged on the outer wall of the first damping member 1 at intervals along the circumferential direction, and a damping gap 14 is formed between every two adjacent convex strips 13. That is, a plurality of vibration absorbing gaps 14 are spaced apart from each other in the circumferential direction of the first vibration damping member 1, and the vibration absorbing gaps 14 can further absorb the vibration generated in the main body case 100, thereby reducing the noise generated by the operation of the motor.

Optionally, referring to fig. 1, the second vibration damping element 2 is provided with a receiving groove 21, and the rotating shaft end 200 can be inserted into the receiving groove 21 (as shown in fig. 3). When the first vibration damping part 1 and the second vibration damping part 2 are installed, the first vibration damping part 1 is firstly sleeved on the main body shell 100, then the accommodating groove 21 is aligned to the upper part of the rotary shaft end 200, so that the second vibration damping part 2 is coated outside the rotary shaft end 200 through the accommodating groove 21, and after the rotary shaft end 200 is embedded into the accommodating groove 21, the second vibration damping part 2 is installed on the rotary shaft end 200.

In this embodiment, the accommodating groove 21 interferes with the rotary shaft end 200 by 0.5mm, that is, a gap of 0.5mm can be reserved between the side wall of the accommodating groove 21 and the outer wall of the rotary shaft end 200, so as to smoothly install the second vibration damping member 2. Further, the depth of the receiving groove 21 is 19.5mm, and the entire rotating shaft end 200 can be completely embedded therein, in other embodiments, the size of the receiving groove 21 can be adaptively designed according to the specific specification of the rotating shaft end 200 of the motor, as long as it is ensured that the receiving groove 21 can receive the rotating shaft end 200.

Alternatively, referring to fig. 1 and 2, the second vibration damping member 2 is provided with a second through hole 22 communicating with the receiving groove 21, and an end portion of the rotary shaft end 200 can be snapped into the second through hole 22 (as shown in fig. 4). After the second vibration damping part 2 is installed in place, the protruding position of the end of the rotary shaft end 200 can be just clamped into the second through hole 22, so that the rotary shaft end 200 and the second vibration damping part 2 are installed in a limiting mode, and the second vibration damping part 2 is prevented from being separated from the rotary shaft end 200. In addition, since the second through hole 22 penetrates the outside, the second through hole 22 can dissipate heat from the rotary shaft end 200, thereby avoiding damage of the motor due to overheating.

Illustratively, the diameter of the second through hole 22 is 24.5mm, which matches with the size of the protruding part of the rotary shaft end 200, and the size of the second through hole 22 can be adaptively adjusted according to the specification of the motor during actual design.

Optionally, referring to fig. 1, a first avoiding groove 211 is concavely disposed on a side wall of the accommodating groove 21, and the first avoiding groove 211 is used for avoiding a first protruding part (not shown) on the rotating shaft end 200. In this embodiment, the first protruding component is a fixing screw on the rotary shaft end 200, and the first avoiding groove 211 is arranged to prevent the fixing screw from interfering with the installation of the second vibration damping member 2, so as to ensure that the second vibration damping member 2 can better fit the outside of the rotary shaft end 200, thereby enabling the second vibration damping member 2 to play a good vibration damping role.

In this embodiment, referring to fig. 1, three first avoiding grooves 211 are distributed at intervals along the circumferential direction of the accommodating groove 21, and are used for avoiding three fixing screws on the rotating shaft end 200.

Alternatively, referring to fig. 1 and 4, a side of the second damper 2 facing the main body case 100 is provided with a second escape groove 23, and the second escape groove 23 is used for escaping from the second protrusion part 101 on the main body case 100. In this embodiment, the second protrusion part 101 is a screw protruding from the main body case 100, and the second avoiding groove 23 is provided to prevent the screw from interfering with the installation of the second vibration damping member 2 on the rotary shaft end 200, and meanwhile, to prevent the rigid part on the main body case 100 from directly contacting the second vibration damping member 2, so as to protect the second vibration damping member 2 from being damaged.

Optionally, referring to fig. 2, 3 and 4, a connecting portion 24 extending toward the first vibration damper 1 and connected to the first vibration damper 1 is disposed on the second vibration damper 2, and a mounting hole 241 is disposed on the connecting portion 24, and the mounting hole 241 is configured to be connected to a housing of the range hood. In this embodiment, mounting hole 241 is the screw hole, and when installing the motor inside the lampblack absorber, can be fixed simple to operate with the casing of connecting portion 24 and lampblack absorber through the screw. Meanwhile, the connecting part 24 is used as a buffer between the motor and the shell of the range hood, so that the vibration transmitted from the motor to the shell can be reduced, and the noise is further reduced.

This embodiment still provides a lampblack absorber, including motor, support 300 and as above motor damping structure, motor damping structure installs on the motor, and the motor is installed on support 300. As shown in fig. 5 and 6, the motor is placed on the bracket 300, and the first vibration damping member 1 and the second vibration damping member 2 are respectively supported between the main body housing 100 and the bracket 300 and between the rotary shaft end 200 and the bracket 300, so as to damp the vibration transmitted from the motor to the bracket 300 and further reduce the noise generated by the operation of the motor.

When the motor runs, the vibration generated on the main body shell 100 is firstly absorbed by the first vibration-absorbing part 1, and the vibration generated by the rotation of the rotary shaft end 200 can be timely absorbed by the second vibration-absorbing part 2, so that the vibration is prevented from being transmitted to other components as much as possible, the vibration amplitude is reduced, the noise generated by the vibration is effectively reduced, and the use experience of a user is improved.

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments illustrated herein, but is capable of various obvious modifications, rearrangements and substitutions without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims (10)

1. The motor vibration reduction structure is characterized by comprising a first vibration reduction piece (1) and a second vibration reduction piece (2) which are connected, wherein the first vibration reduction piece (1) is sleeved on a main body shell (100) of the motor and used for absorbing vibration on the main body shell (100), and the second vibration reduction piece (2) is installed at a rotating shaft end (200) of the motor and used for absorbing vibration on the rotating shaft end (200).

2. The vibration damping structure of the motor according to claim 1, wherein a first through hole (11) is formed in the middle of the first vibration damping member (1) along the extending direction of the main body shell (100), the first vibration damping member (1) is sleeved on the main body shell (100) through the first through hole (11), a plurality of limiting protrusions (12) are arranged on the inner wall of the first through hole (11) at intervals along the circumferential direction, and the limiting protrusions (12) can be abutted to the main body shell (100).

3. The vibration damping structure for the motor according to claim 1, wherein the outer wall of the first vibration damping member (1) is provided with a plurality of convex strips (13) at intervals along the circumferential direction, and a vibration damping gap (14) is formed between every two adjacent convex strips (13).

4. The vibration damping structure for the motor according to claim 1, wherein the second vibration damping member (2) is provided with a receiving groove (21), and the rotating shaft end (200) can be inserted into the receiving groove (21).

5. The vibration damping structure for the motor according to claim 4, wherein the second vibration damping part (2) is provided with a second through hole (22) communicated with the accommodating groove (21), and the end of the rotating shaft end (200) can be clamped into the second through hole (22).

6. The vibration reduction structure of the motor according to claim 4, wherein a first avoiding groove (211) is concavely arranged on the side wall of the accommodating groove (21), and the first avoiding groove (211) is used for avoiding a first protruding part on the rotating shaft end (200).

7. The vibration damping structure for an electric motor according to any one of claims 1 to 6, wherein a second avoiding groove (23) is provided at a side of the second vibration damping member (2) facing the main body housing (100), and the second avoiding groove (23) is used for avoiding a second protruding member (101) on the main body housing (100).

8. The vibration damping structure for the motor according to any one of claims 1 to 6, wherein a connecting portion (24) extending towards the first vibration damping member (1) and connected with the first vibration damping member (1) is provided on the second vibration damping member (2), a mounting hole (241) is provided on the connecting portion (24), and the mounting hole (241) is configured to be connected with a housing of a range hood.

9. Vibration damping arrangement according to one of claims 1 to 6, characterized in that the first vibration damping part (1) and the second vibration damping part (2) are integrally injection molded from a rubber material.

10. A range hood, characterized by comprising a motor, a bracket (300) and a motor vibration reduction structure according to any one of claims 1 to 9, wherein the motor vibration reduction structure is mounted on the motor, and the motor is mounted on the bracket (300).

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